CN212060825U - Liquid crystal display panel and liquid crystal display - Google Patents
Liquid crystal display panel and liquid crystal display Download PDFInfo
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- CN212060825U CN212060825U CN202020554109.0U CN202020554109U CN212060825U CN 212060825 U CN212060825 U CN 212060825U CN 202020554109 U CN202020554109 U CN 202020554109U CN 212060825 U CN212060825 U CN 212060825U
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Abstract
The utility model relates to a liquid crystal display panel and LCD, this liquid crystal display panel includes: the color filter substrate and the thin film transistor array substrate are arranged opposite to the color filter substrate, wherein at least one side edge of the thin film transistor array substrate is provided with an edging chamfer surface, and the edging chamfer surface is far away from the color filter substrate; the edge grinding chamfer surface and the surface of the thin film transistor array substrate form a preset angle, and the preset angle enables light irradiated to the edge grinding chamfer surface to be totally reflected in the thin film transistor array substrate. According to the liquid crystal display panel, the edging chamfer surface is formed on the side edge of the thin film transistor array substrate, and the edging chamfer surface and the thin film transistor array substrate form a preset angle, so that light reflected by the edging chamfer surface is totally reflected when reaching the side edge, no light is exposed from the side edge, and the problem of light leakage of the side edge of glass is solved.
Description
Technical Field
The utility model belongs to the technical field of show, concretely relates to liquid crystal display panel and LCD.
Background
With the increasing popularization and development of liquid crystal display technology, the market competition of liquid crystal display devices is becoming more and more intense. Most of the displays in the market today are backlight displays, which include a display panel and a backlight module (backlight module). The display panel has the working principle that liquid crystal molecules are placed in two parallel substrates, and driving voltage is applied to the two substrates to control the rotation direction of the liquid crystal molecules so as to refract light rays of the backlight module out to generate a picture.
Among them, Thin Film Transistor displays (TFT-LCDs) have gradually occupied the leading position in the Display field due to their low power consumption, excellent picture quality, and high production yield. Similarly, the TFT display includes a display panel and a backlight module, the display panel includes a polarizer (CF POL) attached to the CF side, a Color Filter substrate (CF), a TFT array substrate (TFT) and a polarizer (TFT POL) attached to the TFT side; wherein the CF includes R, G, B color filters, and both the CF and the TFT are part of the display panel. Transparent electrodes are present on opposite inner sides of the CF and TFT, and a layer of Liquid Crystal molecules (LC) is sandwiched between the two substrates. The display panel changes the polarization state of light by controlling the orientation of liquid crystal molecules through an electric field, and realizes the penetration and the blocking of a light path through a polarizing plate so as to realize the purpose of display.
However, in the frameless display panel, when the light irradiates the TFT layer, the light is reflected to the side of the glass and then emitted from the side of the glass, so that a bright light is seen when a person observes the display panel from the outside, which causes a side light leakage phenomenon.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems existing in the prior art, the utility model provides a liquid crystal display panel and liquid crystal display. The to-be-solved technical problem of the utility model is realized through following technical scheme:
the embodiment of the utility model provides a liquid crystal display panel, include: a color filter substrate and a thin film transistor array substrate arranged opposite to the color filter substrate,
at least one side edge of the thin film transistor array substrate is provided with an edging chamfer surface, and the edging chamfer surface is far away from the color filter substrate;
the edge grinding chamfer surface and the surface of the thin film transistor array substrate form a preset angle, and the preset angle enables light irradiated to the edge grinding chamfer surface to be totally reflected in the thin film transistor array substrate.
In an embodiment of the present invention, the number of the edge grinding chamfer surfaces is 4.
In an embodiment of the present invention, the preset angle is greater than or equal to 41.3 ° and smaller than 90 °.
In an embodiment of the present invention, the color filter substrate includes glass, a black matrix and a color filter unit, wherein the black matrix is formed on the glass, and the color filter unit is located in the black matrix.
In an embodiment of the present invention, the present invention further includes:
the first polarizer is attached to one side, far away from the thin film transistor array substrate, of the color filter substrate;
and the second polaroid is attached to one side of the thin film transistor array substrate, which is far away from the color filter substrate.
In an embodiment of the present invention, the present invention further includes: and the frame is arranged on the periphery sides of the color filter substrate and the thin film transistor array substrate.
Another embodiment of the present invention provides a display, including: the liquid crystal display panel comprises a liquid crystal display panel and a control circuit, wherein the liquid crystal display panel adopts the liquid crystal display panel according to any one of the embodiments, and the liquid crystal display panel is coupled with the control circuit.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a liquid crystal display panel forms the edging chamfer face at thin film transistor array substrate's side, and the edging chamfer face forms with thin film transistor array substrate and predetermines the angle, through setting up predetermineeing the angle, can be so that will carry out the total reflection when the light of process edging chamfer reflection reachs the side, can not have the light to expose from the side to the problem of glass side light leak has been solved, and then liquid crystal display panel's display effect has been improved.
2. The utility model discloses a liquid crystal display panel forms the edging chamfer at thin film transistor array substrate's side for glass is difficult for breaking in transportation and assembling process, avoids scratch COF.
Drawings
Fig. 1 is a side view of a liquid crystal display panel according to an embodiment of the present invention;
fig. 2 is a front view of a liquid crystal display panel according to an embodiment of the present invention;
fig. 3 is a schematic view of light leakage at a side of a thin film transistor array substrate according to an embodiment of the present invention;
fig. 4 is a schematic view of the thin film transistor array substrate provided by the present invention without light leakage at the side edge;
fig. 5 is a schematic structural diagram of a color filter substrate according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a display according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to specific examples, but the present invention is not limited thereto.
Example one
Referring to fig. 1 and fig. 2, fig. 1 is a side view of a liquid crystal display panel according to an embodiment of the present invention, and fig. 2 is a front view of the liquid crystal display panel according to the embodiment of the present invention.
The liquid crystal display panel in fig. 1 includes a color filter substrate 1 and a thin film transistor array substrate 2, wherein the color filter substrate 1 and the thin film transistor array substrate 2 are disposed opposite to each other for sandwiching liquid crystal therebetween. The inner sides of the color filter substrate 1 and the thin film transistor array substrate 2 are provided with sawtooth-shaped grooves, and the grooves mainly have the function of enabling long rod-shaped liquid crystal molecules clamped between the color filter substrate 1 and the thin film transistor array substrate 2 to be arranged and tidy along the grooves; in practical applications, a layer of PI (alignment film, which acts like a groove) is generally coated on the surface of the glass, and then a rubbing action is performed by the cloth region to uniformly arrange the surface molecules of the PI,
at least one side edge of the thin film transistor array substrate 2 is provided with an edging chamfer surface 21, and the edging chamfer surface 21 is far away from the color filter substrate 1; a preset angle a is formed between the edge-grinding chamfer surface 21 and the surface 22 of the thin film transistor array substrate 2, and the preset angle a enables light irradiated to the edge-grinding chamfer surface 21 to be totally reflected in the thin film transistor array substrate 2.
Specifically, the thin film transistor array substrate 2 may include the following structure: a substrate, a polysilicon layer on the substrate, a gate insulating layer on the polysilicon layer, a gate on the gate insulating layer, a drain doped region and a source doped region on the polysilicon layer, a lightly doped drain region on each side of the polysilicon layer, the lightly doped drain regions adjacent to the drain doped region and the source doped region, respectively, an insulating layer on the gate and gate insulating layers, via holes on the insulating layer corresponding to the source doped region and the drain doped region of the polysilicon layer, respectively, a metal layer on the insulating layer, and a source and a drain on the metal layer connected to the source doped region and the drain doped region of the polysilicon layer through the via holes respectively,
since the substrate is glass with a certain thickness, the thin film transistor array substrate 2 has four sides, a surface close to the color filter substrate 1, and a surface far from the color filter substrate 1. Further, the edge edging and chamfering of the thin film transistor array substrate 2 refers to edging and chamfering the portion of the side edge of the thin film transistor array substrate 2 away from the color filter substrate 1, so as to form an edging and chamfering surface 21, wherein the edging and chamfering surface 21 is an inclined surface.
Specifically, at least one of the four sides of the thin film transistor array substrate 2 is formed with an edging chamfer 21; that is to say, among the four sides of the thin film transistor array substrate 2, one side may be formed with the edge-grinding chamfer surface 21, two sides may also be formed with the edge-grinding chamfer surfaces 21, three sides may also be formed with the edge-grinding chamfer surfaces 21, or four sides may also be formed with the edge-grinding chamfer surfaces 21, and the specific situation is determined according to the requirements.
Further, a preset angle a is formed between the edge-grinding chamfer surface 21 (inclined surface) and the surface of the thin film transistor array substrate 2 (the surface close to the color filter substrate 1 or the surface far from the color filter substrate 1), and the preset angle a needs to satisfy the requirement that the light irradiated to the edge-grinding chamfer surface 21 is totally reflected in the thin film transistor array substrate 2.
The liquid crystal display panel of this embodiment forms the edging chamfer face at the side of thin-film transistor array substrate, and the edging chamfer face forms preset angle with thin-film transistor array substrate, through setting up preset angle, can be so that carry out the total reflection when the light that reflects through the edging chamfer face reaches the side, can not have the light to expose from the side to the problem of glass side light leak has been solved, and then display panel's display effect has been improved.
The liquid crystal display panel of the embodiment forms the edge grinding chamfer On the side of the thin Film transistor array substrate, so that the glass is not easy to break in the transportation and assembly processes, and the Chip On Film (COF) is prevented from being scratched.
In one embodiment, four sides of the thin film transistor array substrate 2 away from the color filter substrate 1 are formed with the edge-grinding chamfer surfaces 21, so that the number of the edge-grinding chamfer surfaces 21 is 4. That is, in the liquid crystal display panel in fig. 2, the four sides of the thin film transistor array substrate 2 away from the color filter substrate 1 in the "up", "down", "left" and "right" directions are formed with the chamfered edge surfaces 21.
In this embodiment, 4 edging chamfer surfaces are formed in the thin film transistor array substrate 2, so that light irradiated to the 4 edging chamfer surfaces is totally reflected by the thin film transistor array substrate 2, and thus, light cannot leak from four sides of the liquid crystal display panel, and the light leakage prevention effect is the best.
In one embodiment, the predetermined angle A is in the range of 41.3 to 90.
Referring to fig. 3 and fig. 4, fig. 3 is a schematic view of a side light leak of a thin film transistor array substrate according to an embodiment of the present invention, and fig. 4 is a schematic view of a side light leak of a thin film transistor array substrate according to the present invention. In fig. 3 and 4, when the light beam is irradiated on the edging chamfer 21, the light beam reaches the side surface of the thin film transistor array substrate 2 through the total reflection of the edging chamfer 21, and at this time, the incident angle C of the light beam on the side surface of the thin film transistor array substrate 2 determines whether the light beam is emitted from the side surface of the thin film transistor array substrate. If the angle C meets the total reflection condition, the light will not be emitted from the side of the tft array substrate 2, as shown in fig. 4; if the angle C does not meet the total reflection condition, light will be emitted from the side of the tft array substrate 2, resulting in light leakage, as shown in fig. 3.
Specifically, when the light is irradiated on the edge-ground chamfer surface 21, the conditions under which the light can be totally reflected in the thin film transistor array substrate 2 are as follows: sin C is 1/n, where n is a refractive index of the thin film transistor array substrate 2; since the material of the thin film transistor array substrate 2 is glass, when n is 1.5078, Sin C is 1/1.5078, and C is 41.3 °; therefore, total reflection occurs when the incident angle C > 41.3 deg.
Further, since the incident light needs to reach the edging-chamfer 21, the angle B in fig. 3 and 4 satisfies: b is more than 0 degree and less than or equal to 48.7 degrees; since C is a + B, C is always greater than 41.3 ° when a is 41.3, and all the light reflected by the chamfered edge surface 21 is totally reflected.
In summary, when the predetermined angle a is greater than or equal to 41.3 °, the light reflected by the edge-grinding chamfer surface 21 is totally reflected and no light is emitted when the light irradiates the side surface of the thin film transistor array substrate 2.
In an embodiment, referring to fig. 1 again, the liquid crystal display panel further includes a first polarizer 3 and a second polarizer 4, wherein the first polarizer 3 is a CF POL attached to a side of the color filter substrate 1 away from the tft array substrate 2; the second polarizer 4 is a TFT POL attached to the thin film transistor array substrate 2 on a side away from the color filter substrate 1.
Further, the liquid crystal display panel further comprises a backlight module, and the backlight module is arranged on one side of the second polarizer 4 far away from the thin film transistor array substrate 2 and used for providing a light source.
In an embodiment, please refer to fig. 5, and fig. 5 is a schematic structural diagram of a color filter substrate according to an embodiment of the present invention. The color filter substrate 1 includes a glass 11, a black matrix 12, and a color filter unit 13, wherein the black matrix 12 is formed on the glass 11, and the color filter unit 13 is formed in the black matrix 12.
The main function of the color filter substrate 1 is to help the formation of color light, and white light emitted from a backlight module in a liquid crystal display panel can be changed into color light of different colors after passing through the color filter unit 13. Basically, the colors formed on the color filter unit 13 are mainly three primary colors of red, green, and blue, and the respective colors and brightness are adjusted by mixing three lights, the three primary colors of red, green, and blue are divided into three independent dots, each having different gray scale variations, and the dots displayed by the adjacent three primary colors of red, green, and blue are regarded as a basic unit of one display, i.e., a pixel, so that the white light is filtered to form the color lights of the three primary colors.
In the embodiment, the black matrix is arranged in the color filter substrate, so that light can be prevented from being emitted from the side edge of the glass, and the light leakage phenomenon of the liquid crystal display panel is reduced.
In a specific embodiment, the liquid crystal display panel further includes a frame 5, and the frame 5 is disposed on the outer peripheral sides of the color filter substrate 1 and the thin film transistor array substrate 2.
The liquid crystal display panel of this embodiment makes light can not expose from thin film transistor array substrate's side through the mode that increases edging chamfer angle, has both solved the problem of glass side light leak, can make glass be difficult for breaking in transportation and assembly again.
Example two
On the basis of the first embodiment, please refer to fig. 6, and fig. 6 is a schematic structural diagram of a display according to an embodiment of the present invention. The liquid crystal display comprises a liquid crystal display panel 10 and a control circuit 20, wherein the liquid crystal display panel 10 is coupled with the control circuit 20; the liquid crystal display panel 10 adopts the liquid crystal display panel according to the first embodiment, and the liquid crystal display panel includes the color filter substrate 1 and the thin film transistor array substrate 2, wherein the color filter substrate 1 and the thin film transistor array substrate 2 are oppositely disposed, at least one side edge of the thin film transistor array substrate 2 is formed with the edge-grinding chamfer surface 21, the edge-grinding chamfer surface 21 is far away from the color filter substrate 1, and a preset angle a is formed between the edge-grinding chamfer surface 21 and the surface of the thin film transistor array substrate 2.
In this embodiment, the edge grinding chamfer surface is formed on the side edge of the thin film transistor array substrate in the display, and the edge grinding chamfer surface and the surface of the thin film transistor array substrate form a preset angle, and by setting the preset angle, the edge grinding chamfer surface can reflect light rays totally when reaching the side edge, so that no light rays are exposed from the side edge, thereby solving the problem of light leakage of the side edge of glass and further improving the display effect of the display.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.
Claims (7)
1. A liquid crystal display panel, comprising: a color filter substrate (1) and a thin film transistor array substrate (2) arranged opposite to the color filter substrate (1),
at least one side edge of the thin film transistor array substrate (2) is provided with an edging chamfer surface (21), and the edging chamfer surface (21) is far away from the color filter substrate (1);
edging chamfer (21) with form preset angle (A) between the surface of thin-film transistor array substrate (2), preset angle (A) makes and shines to the light of edging chamfer (21) is in take place the total reflection in thin-film transistor array substrate (2).
2. The liquid crystal display panel according to claim 1, wherein the number of the edging-chamfering faces (21) is 4.
3. The liquid crystal display panel according to claim 1, wherein the preset angle (a) is 41.3 ° or more and 90 ° or less.
4. The liquid crystal display panel according to claim 1, wherein the color filter substrate (1) comprises a glass (11), a black matrix (12), and a color filter unit (13), wherein the black matrix (12) is formed on the glass (11), and the color filter unit (13) is located within the black matrix (12).
5. The liquid crystal display panel according to claim 1, further comprising:
the first polarizer (3) is attached to one side, far away from the thin film transistor array substrate (2), of the color filter substrate (1);
and the second polaroid (4) is attached to one side of the thin film transistor array substrate (2) far away from the color filter substrate (1).
6. The liquid crystal display panel according to claim 1, further comprising: and a frame (5) disposed on the outer peripheral sides of the color filter substrate (1) and the thin film transistor array substrate (2).
7. A display, comprising: the liquid crystal display device comprises a liquid crystal display panel (10) and a control circuit (20), wherein the liquid crystal display panel (10) is the liquid crystal display panel according to any one of claims 1-6, and the liquid crystal display panel (10) is coupled with the control circuit (20).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020554109.0U CN212060825U (en) | 2020-04-14 | 2020-04-14 | Liquid crystal display panel and liquid crystal display |
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| CN202020554109.0U CN212060825U (en) | 2020-04-14 | 2020-04-14 | Liquid crystal display panel and liquid crystal display |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116339008A (en) * | 2023-03-17 | 2023-06-27 | 惠科股份有限公司 | Display panel, manufacturing method thereof, and display device |
| US12072590B2 (en) | 2021-08-27 | 2024-08-27 | Chengdu Boe Display Sci-Tech Co., Ltd. | Curved liquid crystal display panel and curved display device |
-
2020
- 2020-04-14 CN CN202020554109.0U patent/CN212060825U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12072590B2 (en) | 2021-08-27 | 2024-08-27 | Chengdu Boe Display Sci-Tech Co., Ltd. | Curved liquid crystal display panel and curved display device |
| CN116339008A (en) * | 2023-03-17 | 2023-06-27 | 惠科股份有限公司 | Display panel, manufacturing method thereof, and display device |
| CN116339008B (en) * | 2023-03-17 | 2025-01-17 | 惠科股份有限公司 | Display panel, preparation method thereof and display device |
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