CN112162437B - Liquid crystal panel light path reinforcing plate and precision machining process - Google Patents
Liquid crystal panel light path reinforcing plate and precision machining process Download PDFInfo
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 118
- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 23
- 238000003754 machining Methods 0.000 title claims abstract description 5
- 239000010410 layer Substances 0.000 claims abstract description 193
- 238000005520 cutting process Methods 0.000 claims abstract description 110
- 239000012790 adhesive layer Substances 0.000 claims abstract description 95
- 239000000758 substrate Substances 0.000 claims abstract description 82
- 239000011159 matrix material Substances 0.000 claims abstract description 68
- 239000000853 adhesive Substances 0.000 claims abstract description 41
- 230000001070 adhesive effect Effects 0.000 claims abstract description 41
- 239000010408 film Substances 0.000 claims abstract description 33
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000000741 silica gel Substances 0.000 claims abstract description 19
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 19
- 238000000016 photochemical curing Methods 0.000 claims description 62
- 238000001723 curing Methods 0.000 claims description 60
- 239000003292 glue Substances 0.000 claims description 18
- 238000003848 UV Light-Curing Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 8
- 239000010409 thin film Substances 0.000 claims description 7
- 230000001678 irradiating effect Effects 0.000 claims description 6
- 238000005507 spraying Methods 0.000 claims description 6
- 238000005516 engineering process Methods 0.000 claims description 5
- 239000012528 membrane Substances 0.000 claims 3
- 239000011521 glass Substances 0.000 description 11
- 238000007789 sealing Methods 0.000 description 6
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 210000002858 crystal cell Anatomy 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1339—Gaskets; Spacers; Sealing of cells
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/133351—Manufacturing of individual cells out of a plurality of cells, e.g. by dicing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Liquid Crystal (AREA)
Abstract
The invention discloses a liquid crystal panel light path reinforcing plate and a precision machining process, and particularly relates to the field of liquid crystal panels, wherein the liquid crystal panel light path reinforcing plate comprises an array substrate, a color film substrate, a liquid crystal layer and a black matrix layer; a first cutting buffer layer is arranged between every two adjacent black matrix layers, a second cutting buffer layer is arranged between every two adjacent liquid crystal units, a first light-cured adhesive layer is bonded between the first cutting buffer layer and the black matrix layers, and a second light-cured adhesive layer is bonded between the second cutting buffer layer and the liquid crystal units; a cutting buffer layer and No. two cutting buffer layers all adopt non-conductive transparent silica gel. According to the invention, the non-conductive transparent silica gel and the black UV light-cured adhesive are matched, so that the non-conductive transparent silica gel and the black UV light-cured adhesive can be rapidly distinguished during cutting, the middle part of the non-conductive transparent silica gel is conveniently aligned for cutting, the liquid crystal panel is accurately cut, the light-cured adhesive layer is not influenced during cutting, and the conditions of layer structure stripping, liquid crystal unit light leakage and the like are avoided.
Description
Technical Field
The invention relates to the field of liquid crystal panels, in particular to a liquid crystal panel light path reinforcing plate and a precision machining process.
Background
Liquid crystal display devices (LCDs) have many advantages such as being light, thin, short, low in power consumption, and low in heat, which make them stand out from many different types of display devices, and are widely used in modern information devices such as televisions, computers, tablet computers, and mobile phones.
In the manufacturing process of the liquid crystal panel, a large liquid crystal panel is generally cut into a plurality of small liquid crystal panels according to the product size. Generally, a liquid crystal panel includes: the color filter substrate mother board, the array substrate mother board and the liquid crystal layer positioned between the two mother boards are prepared by the following steps:
firstly, aligning a whole array substrate mother board and a whole color filter substrate mother board, and arranging frame glue to seal a liquid crystal layer between the array substrate mother board and the color filter substrate mother board so as to form a liquid crystal panel with a plurality of unit liquid crystal panels; and then cutting the liquid crystal panel to finally form a plurality of independent liquid crystal panels, wherein a black matrix layer is arranged on the color filter substrate motherboard.
When the liquid crystal panel is cut at present, the glass substrate of the color filter substrate and the glass substrate of the thin film transistor array substrate are cut first, and then the liquid crystal panel and the liquid crystal panel are separated from each other by splitting.
In the prior art, due to process limitations, a cut position B on a glass substrate of a color filter substrate and a cut position C on a glass substrate of a thin film transistor array substrate cannot be completely aligned, a certain dislocation occurs during splitting, and due to low adhesion between a black matrix layer and the glass substrate of the color filter substrate, the black matrix layer may be separated from the glass substrate during splitting, thereby causing a light leakage problem at the edge position.
The invention patent with application number 201810293585.9 discloses a liquid crystal panel, which comprises a color filter substrate, a thin film transistor array substrate and a frame adhesive, wherein the frame adhesive defines a plurality of liquid crystal panel units between the color filter substrate and the thin film transistor array substrate, the color filter substrate comprises a glass substrate and a black matrix layer formed on the glass substrate, the black matrix layer comprises a plurality of black matrix units which are mutually spaced, each black matrix unit corresponds to one liquid crystal panel unit, a spacing area is formed between any two adjacent black matrix units, the glass substrate is also connected with a black non-conductive film, the black non-conductive film is at least arranged in the spacing area, and the adhesive force between the black non-conductive film and the glass substrate is greater than the adhesive force between the black matrix layer and the glass substrate. The invention solves the problem of light leakage of the cut liquid crystal panel due to the falling of the black matrix at the cutting position.
The box aligning process can comprise the following steps: liquid crystal is dripped on any One of the array substrate or the color film substrate through an ODF (odd Drop Filling) process, frame sealing glue is coated on the other substrate, the array substrate and the color film substrate are combined to form a liquid crystal panel, and the frame sealing glue is cured to enable the frame sealing glue to be cured, so that the problems of light leakage at a cutting position and falling off of a black matrix are avoided, and when the black matrix layer, the black non-conductive film and the frame sealing glue are made of black sticky high polymer materials, the defects are as follows: the photo-curing sealing process cannot be adopted, or the bonding strength is low when the photo-curing sealing glue is adopted, so that the structural layers are easy to fall off, and particularly after the liquid crystal panel cutting process, the structural layers are easy to fall off and peel off, so that serious damage and light leakage are caused.
Disclosure of Invention
Therefore, the invention provides the liquid crystal panel light path reinforcing plate and the precision processing technology, the non-conductive transparent silica gel and the black UV light curing adhesive are matched, the non-conductive transparent silica gel and the black UV light curing adhesive can be rapidly distinguished during cutting, the middle part of the non-conductive transparent silica gel is convenient to be aligned to carry out cutting, the liquid crystal panel is accurately cut, and the arrangement of the black UV light curing adhesive can prevent the liquid crystal unit from leaking light, so that the problems in the prior art are solved.
In order to achieve the above purpose, the invention provides the following technical scheme: the liquid crystal panel light path reinforcing plate comprises an array substrate, a color film substrate and a liquid crystal layer uniformly distributed between the color film substrate and the array substrate, wherein the liquid crystal layer comprises a plurality of liquid crystal units uniformly distributed, a black matrix layer is arranged between the color film substrate and each liquid crystal unit, a first cutting buffer layer is arranged between every two adjacent black matrix layers, a second cutting buffer layer is arranged between every two adjacent liquid crystal units, a first light curing adhesive layer is bonded between the first cutting buffer layer and the black matrix layer, a second light curing adhesive layer is bonded between the second cutting buffer layer and the liquid crystal units, and the bottom of the second cutting buffer layer is bonded with the array substrate through a third light curing adhesive layer;
the first photo-curing adhesive layer, the second photo-curing adhesive layer and the third photo-curing adhesive layer are all black UV photo-curing adhesives;
a cutting buffer layer and No. two cutting buffer layers all adopt non-conductive transparent silica gel.
Furthermore, the first cutting buffer layer and the second cutting buffer layer at the bottom are integrally formed, and the cutting buffer layer with the T-shaped section is formed.
Furthermore, a plurality of caulking grooves have all been seted up on cutting buffer layer and No. two cutting buffer layer lateral walls, a photocuring glue film and No. two photocuring glue films are full of respectively in the caulking groove that corresponds.
Furthermore, the color film substrate, the black matrix layer and the first cutting buffer layer are all connected in an adhesive mode through a fourth photo-curing adhesive layer, and the fourth photo-curing adhesive layer is made of a transparent UV photo-curing adhesive.
Furthermore, the outer side wall of the black matrix layer is provided with an arc-shaped curved surface.
Furthermore, the outer side wall of the black matrix layer is provided with an arc-shaped curved surface, and the outer side wall of the first cutting buffer layer is provided with a concave curved surface matched with the arc-shaped curved surface.
Furthermore, the array substrate comprises a display area and a driving circuit arranged on the periphery of the display area, the display area corresponds to the liquid crystal unit, and the display area and the driving circuit both comprise at least one Thin Film Transistor (TFT).
The invention also provides a precision processing technology of the liquid crystal panel light path reinforcing plate, which comprises the following processing steps:
firstly, dripping liquid crystal on an array substrate through a liquid crystal dripping process to form a liquid crystal layer consisting of a plurality of liquid crystal units;
secondly, spraying a black UV (ultraviolet) light curing adhesive on the part, corresponding to the second cutting buffer layer, of the upper surface of the array substrate to obtain a third light curing adhesive layer, placing the processed T-shaped cutting buffer layer at a corresponding position above the third light curing adhesive layer when the third light curing adhesive layer is not dry, and then irradiating by adopting ultraviolet light to cure the third light curing adhesive layer to fix the cutting buffer layer and the array substrate;
thirdly, placing the black matrix layer with the edge processed into the cambered surface above the liquid crystal unit, injecting a black UV (ultraviolet) light curing adhesive into a bonding space formed between the T-shaped cutting buffer layer and the liquid crystal unit and the black matrix layer to form a first light curing adhesive layer and a second light curing adhesive layer, then irradiating the light curing adhesive layers and the transparent cutting buffer layer with ultraviolet light, curing the two light curing adhesive layers, and fixedly bonding the side wall of the T-shaped cutting buffer layer with the side wall of the liquid crystal unit and the side wall of the black matrix layer into a whole respectively, wherein the black first light curing adhesive layer, the second light curing adhesive layer and the black matrix layer protect the liquid crystal unit from light leakage;
and fourthly, spraying a transparent UV (ultraviolet) light curing adhesive on the upper surfaces of the T-shaped cutting buffer layer, the first light curing adhesive layer and the black matrix layer to form a fourth light curing adhesive layer, then bonding the color film substrate with the fourth light curing adhesive layer, curing the fourth light curing adhesive layer by adopting ultraviolet light irradiation, fixedly bonding the color film substrate with the upper surfaces of the T-shaped cutting buffer layer, the first light curing adhesive layer and the black matrix layer, and finishing the processing of the whole liquid crystal panel light path reinforcing plate.
Further, in the third step, when the bonding space formed between the T-shaped cut buffer layer and the liquid crystal unit and the black matrix layer is too thick, the black UV light curing adhesive can be injected for multiple layers, each layer is cured by ultraviolet light after being injected, and the thickness of each layer is not more than a mm.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the non-conductive transparent silica gel is matched with the black UV light-cured adhesive, so that the non-conductive transparent silica gel and the black UV light-cured adhesive can be rapidly distinguished during cutting, the middle part of the non-conductive transparent silica gel is conveniently aligned for cutting, a liquid crystal panel is accurately cut, and the arrangement of the black UV light-cured adhesive can prevent light leakage of a liquid crystal unit;
2. according to the invention, the bottom end of the T-shaped cutting buffer layer extends to the upper part of the array substrate, so that a first photocuring glue layer and a second photocuring glue layer on two sides can not be cut during cutting, the photocuring glue layer is ensured to firmly bond the color film substrate, the black matrix layer, the liquid crystal unit and the array substrate, and the conditions of layer structure stripping, liquid crystal unit light leakage and the like can not occur;
3. the fourth photo-curing adhesive layer adopts a transparent UV photo-curing adhesive, so that the light penetrating power can be increased during curing, ultraviolet light can penetrate through the color film substrate and be fixed with the layer structure at the bottom, and can penetrate through the fourth photo-curing adhesive layer and irradiate the T-shaped cutting buffer layer, the first photo-curing adhesive layer and the second photo-curing adhesive layer, so that the fixation of the cutting buffer layer with the first photo-curing adhesive layer and the second photo-curing adhesive layer is enhanced;
4. set up a plurality of caulking grooves on through cutting the buffer layer lateral wall, can increase the bonding strength of the cutting buffer layer of photocuring glue film and T shape, set up the space between black matrix layer and the cutting buffer layer into the arc, can increase the joint strength between black matrix layer and the cutting buffer layer, also be difficult for peeling off when receiving the impact and separate, prevent the light leak.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.
Fig. 1 is a cross-sectional view of two liquid crystal panels provided in embodiment 1 of the present invention;
fig. 2 is a schematic view of a process for preparing a liquid crystal panel according to embodiment 1 of the present invention;
fig. 3 is a schematic structural diagram of a portion a in fig. 1 according to embodiment 1 of the present invention;
fig. 4 is a cross-sectional view of a single liquid crystal panel provided in embodiment 2 of the present invention;
fig. 5 is a schematic structural diagram of a portion B in fig. 4 according to embodiment 2 of the present invention;
in the figure: the display panel comprises an array substrate 1, a display area 101, a drive circuit 102, a color film substrate 2, a liquid crystal layer 3, a black matrix layer 4, a second cutting buffer layer 5, a first photo-curing adhesive layer 6, a second photo-curing adhesive layer 7, a third photo-curing adhesive layer 8, a caulking groove 9, a fourth photo-curing adhesive layer 10 and a first cutting buffer layer 11.
Detailed Description
The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to the attached drawings 1-2 of the specification, the liquid crystal panel light path reinforcing plate of the embodiment includes an array substrate 1, a color film substrate 2, and a liquid crystal layer 3 uniformly distributed between the color film substrate 2 and the array substrate 1, where the liquid crystal layer 3 includes a plurality of liquid crystal units uniformly distributed, a black matrix layer 4 is arranged between the color film substrate 2 and each liquid crystal unit, a first cutting buffer layer 11 is arranged between two adjacent black matrix layers 4, a second cutting buffer layer 5 is arranged between two adjacent liquid crystal units, a first light-curing glue layer 6 is bonded between the first cutting buffer layer 11 and the black matrix layer 4, a second light-curing glue layer 7 is bonded between the second cutting buffer layer 5 and the liquid crystal units, and the bottom of the second cutting buffer layer 5 is bonded with the array substrate 1 through a third light-curing glue layer 8;
the first photo-curing adhesive layer 6, the second photo-curing adhesive layer 7 and the third photo-curing adhesive layer 8 are all black UV photo-curing adhesives;
no. one cutting buffer layer 11 and No. two cutting buffer layer 5 all adopt non-conductive transparent silica gel.
Further, the first cutting buffer layer 11 and the second cutting buffer layer 5 at the bottom are integrally formed, and a cutting buffer layer with a T-shaped section is formed.
Further, the array substrate 1 includes a display region 101 and a driving circuit 102 disposed around the display region 101, the display region 101 corresponds to a liquid crystal cell, the display region 101 and the driving circuit 102 both include at least one thin film transistor TFT, and a driving voltage is applied to a corresponding gate line or data line under the control of the TFT device, so as to drive the gate line or data line.
The implementation scenario is specifically as follows: according to the invention, the non-conductive transparent silica gel is matched with the black UV light-cured adhesive, so that the non-conductive transparent silica gel and the black UV light-cured adhesive can be rapidly distinguished during cutting, the middle part of the non-conductive transparent silica gel is conveniently aligned for cutting, a liquid crystal panel is accurately cut, and the arrangement of the black UV light-cured adhesive can prevent light leakage of a liquid crystal unit;
because the cured first photo-curing adhesive layer 6 and the cured second photo-curing adhesive layer 7 become brittle and are easy to break during cutting, and the protected liquid crystal unit and the black matrix layer 4 are affected, the bottom end of the T-shaped cutting buffer layer extends to the upper side of the array substrate 1, the first photo-curing adhesive layer 6 and the second photo-curing adhesive layer 7 on the two sides can not be cut during cutting, the color film substrate 2, the black matrix layer 4, the liquid crystal unit and the array substrate 1 are firmly bonded by the photo-curing adhesive layers, and the situations of layer structure peeling, liquid crystal unit light leakage and the like can not occur.
Referring to the attached drawing 3 of the specification, a plurality of caulking grooves 9 are formed in the outer side walls of the first cutting buffer layer 11 and the second cutting buffer layer 5, and the first photo-curing adhesive layer 6 and the second photo-curing adhesive layer 7 are filled in the corresponding caulking grooves 9 respectively.
The implementation scenario is specifically as follows: according to the invention, the plurality of caulking grooves 9 are formed in the side wall of the T-shaped cutting buffer layer, so that the bonding strength between the light-cured adhesive layer and the T-shaped cutting buffer layer can be increased.
Referring to the attached drawings 1-2 of the specification, the color film substrate 2, the black matrix layer 4 and the first cutting buffer layer 11 are all connected in an adhesive mode through a fourth photo-curing adhesive layer 10, and the fourth photo-curing adhesive layer 10 is made of a transparent UV photo-curing adhesive.
The implementation scenario is specifically as follows: the fourth photo-curing adhesive layer 10 adopts a transparent UV photo-curing adhesive, so that the light penetrating power can be increased during curing, ultraviolet light can be fixed with a layer structure at the bottom through the color film substrate 2, and can penetrate through the fourth photo-curing adhesive layer 10 to irradiate the T-shaped cutting buffer layer, the first photo-curing adhesive layer 6 and the second photo-curing adhesive layer 7, so that the fixation of the cutting buffer layer with the first photo-curing adhesive layer 6 and the second photo-curing adhesive layer 7 is enhanced.
Referring to the attached fig. 3 of the specification, the outer side wall of the black matrix layer 4 is configured as an arc-shaped curved surface.
The implementation scenario is specifically as follows: according to the invention, the outer side wall of the black matrix layer 4 is an arc-shaped curved surface, so that the contact area between the first photocuring glue layer 6 and the black matrix layer 4 can be increased, the outer side wall of the black matrix layer 4 is wrapped, and the connection strength among the black matrix layer 4, the cutting buffer layer and the liquid crystal unit is increased.
The invention also provides a precision processing technology of the liquid crystal panel light path reinforcing plate, which comprises the following processing steps:
firstly, dripping liquid crystal on an array substrate 1 through a liquid crystal dripping process to form a liquid crystal layer 3 consisting of a plurality of liquid crystal units;
secondly, spraying a black UV (ultraviolet) light curing adhesive on the part, corresponding to the second cutting buffer layer 5, of the upper surface of the array substrate 1 to obtain a third light curing adhesive layer 8, placing the processed T-shaped cutting buffer layer at a corresponding position above the third light curing adhesive layer 8 when the third light curing adhesive layer 8 is not dry, and then irradiating by adopting ultraviolet light to cure the third light curing adhesive layer 8 so as to fix the cutting buffer layer and the array substrate 1;
thirdly, placing the black matrix layer 4 with the edge processed into the cambered surface above the liquid crystal unit, injecting black UV light curing adhesive into a bonding space formed between the T-shaped cutting buffer layer and the liquid crystal unit and the black matrix layer 4 to form a first light curing adhesive layer 6 and a second light curing adhesive layer 7, then irradiating the light curing adhesive layers and the transparent cutting buffer layer with ultraviolet light, curing the two light curing adhesive layers, fixedly bonding the side wall of the T-shaped cutting buffer layer with the side wall of the liquid crystal unit and the side wall of the black matrix layer 4 into a whole, and protecting the liquid crystal unit from light leakage by the black first light curing adhesive layer 6, the second light curing adhesive layer 7 and the black matrix layer 4;
and fourthly, finally, spraying a transparent UV (ultraviolet) light curing adhesive on the upper surfaces of the T-shaped cutting buffer layer, the first light curing adhesive layer 6 and the black matrix layer 4 to form a fourth light curing adhesive layer 10, then bonding the color film substrate 2 with the fourth light curing adhesive layer 10, curing the fourth light curing adhesive layer 10 by adopting ultraviolet light irradiation, fixedly bonding the color film substrate 2 with the upper surfaces of the T-shaped cutting buffer layer, the first light curing adhesive layer 6 and the black matrix layer 4, and finishing the processing of the whole liquid crystal panel light path reinforcing plate.
Further, in the third step, when the bonding space formed between the T-shaped cut buffer layer and the liquid crystal cell and black matrix layer 4 is too thick, a plurality of layers of black UV light curing adhesive can be injected, each layer is cured by ultraviolet light after being injected, and the thickness of each layer is not more than 0.3 mm.
The implementation scenario is specifically as follows: the liquid crystal panel light path reinforcing plate is manufactured by the processing technology, all the layers of structures are connected tightly, the strength is high, the cutting buffer layer is used for positioning and buffering in the cutting process, the first photo-curing adhesive layer 6 and the second photo-curing adhesive layer 7 connected with the color film substrate 2, the liquid crystal unit and the black matrix layer 4 cannot be influenced, light leakage is avoided, and light path display is enhanced.
Example 2
Referring to the attached figures 4-5 of the specification, the outer side wall of the black matrix layer 4 is an arc-shaped curved surface, and the outer side wall of the first cutting buffer layer 11 is provided with a concave curved surface matched with the arc-shaped curved surface.
The implementation scenario is specifically as follows: according to the invention, the space between the black matrix layer 4 and the first cutting buffer layer 11 is set to be arc-shaped, so that the connection strength between the black matrix layer 4 and the first cutting buffer layer 11 can be increased, the black matrix layer is not easy to peel off and separate when being impacted, and light leakage is prevented.
Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (9)
1. Liquid crystal display panel light path reinforcing plate, including array substrate (1), various membrane base plate (2) and evenly distributed in liquid crystal layer (3) between various membrane base plate (2) and array substrate (1), liquid crystal layer (3) are including a plurality of liquid crystal unit of evenly distributed, all be equipped with black matrix layer (4), its characterized in that between various membrane base plate (2) and every liquid crystal unit: a first cutting buffer layer (11) is arranged between every two adjacent black matrix layers (4), a second cutting buffer layer (5) is arranged between every two adjacent liquid crystal units, a first light-cured adhesive layer (6) is bonded between the first cutting buffer layer (11) and the black matrix layers (4), a second light-cured adhesive layer (7) is bonded between the second cutting buffer layer (5) and the liquid crystal units, and the bottom of the second cutting buffer layer (5) is bonded and connected with the array substrate (1) through a third light-cured adhesive layer (8);
the first photo-curing adhesive layer (6), the second photo-curing adhesive layer (7) and the third photo-curing adhesive layer (8) are all black UV photo-curing adhesives;
the first cutting buffer layer (11) and the second cutting buffer layer (5) both adopt non-conductive transparent silica gel;
the non-conductive transparent silica gel and the black UV light-cured adhesive are matched, so that the non-conductive transparent silica gel and the black UV light-cured adhesive can be distinguished quickly during cutting, the middle of the non-conductive transparent silica gel is convenient to cut, the liquid crystal panel is accurate to cut, and the black UV light-cured adhesive can prevent light leakage of the liquid crystal unit.
2. The liquid crystal panel light path reinforcing plate of claim 1, wherein: a cutting buffer layer (11) and a second cutting buffer layer (5) at the bottom are integrally formed, and the cutting buffer layer with a T-shaped section is formed.
3. The liquid crystal panel light path reinforcing plate of claim 1, wherein: a plurality of caulking grooves (9) have all been seted up on cutting buffer layer (11) and No. two cutting buffer layer (5) lateral walls, photocuring glue film (6) and No. two photocuring glue film (7) are full of respectively in corresponding caulking groove (9).
4. The liquid crystal panel light path reinforcing plate of claim 1, wherein: the color film substrate (2), the black matrix layer (4) and the first cutting buffer layer (11) are connected in an adhesive mode through a fourth light-cured adhesive layer (10), and the fourth light-cured adhesive layer (10) is made of a transparent UV light-cured adhesive.
5. The liquid crystal panel light path reinforcing plate of claim 1, wherein: the outer side wall of the black matrix layer (4) is an arc-shaped curved surface.
6. The liquid crystal panel light path reinforcing plate of claim 1, wherein: the outer side wall of the black matrix layer (4) is an arc-shaped curved surface, and the outer side wall of the first cutting buffer layer (11) is provided with a concave curved surface matched with the arc-shaped curved surface.
7. The liquid crystal panel light path reinforcing plate of claim 1, wherein: the array substrate (1) comprises a display area (101) and a driving circuit (102) arranged on the periphery of the display area (101), the display area (101) corresponds to a liquid crystal unit, and the display area (101) and the driving circuit (102) both comprise at least one Thin Film Transistor (TFT).
8. A precision processing technology of the liquid crystal panel light path reinforcing plate according to any one of claims 1 to 7, characterized in that: the method comprises the following processing steps:
firstly, dripping liquid crystal on an array substrate (1) through a liquid crystal dripping process to form a liquid crystal layer (3) consisting of a plurality of liquid crystal units;
secondly, spraying a black UV (ultraviolet) light curing adhesive on the upper surface of the array substrate (1) corresponding to the second cutting buffer layer (5) to obtain a third light curing adhesive layer (8), placing the processed T-shaped cutting buffer layer at a corresponding position above the third light curing adhesive layer (8) when the third light curing adhesive layer (8) is not dry, and then irradiating by adopting ultraviolet light to cure the third light curing adhesive layer (8) so as to fix the cutting buffer layer and the array substrate (1);
thirdly, placing the black matrix layer (4) with the edge processed into the cambered surface above the liquid crystal unit, injecting black UV light curing adhesive into a bonding space formed between the T-shaped cutting buffer layer and the liquid crystal unit and between the T-shaped cutting buffer layer and the black matrix layer (4) to form a first light curing adhesive layer (6) and a second light curing adhesive layer (7), then irradiating the light curing adhesive layers and the transparent cutting buffer layer with ultraviolet light, curing the two light curing adhesive layers to ensure that the side walls of the T-shaped cutting buffer layer are fixedly bonded with the side walls of the liquid crystal unit and the side walls of the black matrix layer (4) into a whole respectively, and protecting the liquid crystal unit from light leakage by the black first light curing adhesive layer (6), the second light curing adhesive layer (7) and the black matrix layer (4);
and fourthly, finally, spraying a transparent UV (ultraviolet) photocuring adhesive on the upper surfaces of the T-shaped cutting buffer layer, the first photocuring adhesive layer (6) and the black matrix layer (4) to form a fourth photocuring adhesive layer (10), then adhering the color film substrate (2) with the fourth photocuring adhesive layer (10), curing the fourth photocuring adhesive layer (10) by adopting ultraviolet irradiation, fixedly adhering the color film substrate (2) with the upper surfaces of the T-shaped cutting buffer layer, the first photocuring adhesive layer (6) and the black matrix layer (4), and finishing the processing of the whole liquid crystal panel light path reinforcing plate.
9. The precision machining process of the liquid crystal panel light path reinforcing plate according to claim 8, characterized in that: in the third step, when the bonding space formed between the T-shaped cutting buffer layer and the liquid crystal unit and the black matrix layer (4) is too thick, a plurality of layers of black UV light curing adhesive can be injected, each layer is cured by ultraviolet light after being injected, and the thickness of each layer is not more than 0.3 mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011092233.0A CN112162437B (en) | 2020-10-13 | 2020-10-13 | Liquid crystal panel light path reinforcing plate and precision machining process |
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| CN202011092233.0A CN112162437B (en) | 2020-10-13 | 2020-10-13 | Liquid crystal panel light path reinforcing plate and precision machining process |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102636915A (en) * | 2012-04-11 | 2012-08-15 | 深圳市华星光电技术有限公司 | Liquid crystal display panel and manufacturing method thereof |
| CN103995385A (en) * | 2014-05-09 | 2014-08-20 | 京东方科技集团股份有限公司 | Display motherboard and cutting method thereof |
| CN104216158A (en) * | 2014-08-20 | 2014-12-17 | 京东方科技集团股份有限公司 | Display device and preparing method of display device |
| CN105892129A (en) * | 2016-06-16 | 2016-08-24 | 武汉华星光电技术有限公司 | Liquid crystal display substrate and cutting method thereof |
| CN106249466A (en) * | 2016-10-11 | 2016-12-21 | 京东方科技集团股份有限公司 | Display master blank and cutting method thereof |
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2020
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102636915A (en) * | 2012-04-11 | 2012-08-15 | 深圳市华星光电技术有限公司 | Liquid crystal display panel and manufacturing method thereof |
| CN103995385A (en) * | 2014-05-09 | 2014-08-20 | 京东方科技集团股份有限公司 | Display motherboard and cutting method thereof |
| CN104216158A (en) * | 2014-08-20 | 2014-12-17 | 京东方科技集团股份有限公司 | Display device and preparing method of display device |
| CN105892129A (en) * | 2016-06-16 | 2016-08-24 | 武汉华星光电技术有限公司 | Liquid crystal display substrate and cutting method thereof |
| CN106249466A (en) * | 2016-10-11 | 2016-12-21 | 京东方科技集团股份有限公司 | Display master blank and cutting method thereof |
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