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CN113261047A - AMOLED display panel and display - Google Patents

AMOLED display panel and display Download PDF

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Publication number
CN113261047A
CN113261047A CN201980073526.3A CN201980073526A CN113261047A CN 113261047 A CN113261047 A CN 113261047A CN 201980073526 A CN201980073526 A CN 201980073526A CN 113261047 A CN113261047 A CN 113261047A
Authority
CN
China
Prior art keywords
display area
driving voltage
bar
transmission lines
voltage input
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201980073526.3A
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Chinese (zh)
Inventor
吴焕达
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Royole Technologies Co Ltd
Original Assignee
Shenzhen Royole Technologies Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Royole Technologies Co Ltd filed Critical Shenzhen Royole Technologies Co Ltd
Publication of CN113261047A publication Critical patent/CN113261047A/en
Pending legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
    • G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
    • G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
    • G09G3/3225—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
    • G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
    • G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2300/00—Aspects of the constitution of display devices
    • G09G2300/04—Structural and physical details of display devices
    • G09G2300/0421—Structural details of the set of electrodes
    • G09G2300/0426—Layout of electrodes and connections
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/10—OLED displays
    • H10K59/12—Active-matrix OLED [AMOLED] displays

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Electroluminescent Light Sources (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

An AMOLED display panel, comprising: the display area (300) is internally provided with a plurality of transmission lines (310), and the plurality of transmission lines (310) are used for transmitting driving voltage for driving the OLED to emit light; the display device comprises a non-display area (400), wherein at least one driving voltage input bar (420) and a first short-circuit bar (410) are arranged in the non-display area (400), the first short-circuit bar (410) is electrically connected with the driving voltage input bar (420), and a plurality of transmission lines (310) extend to the non-display area (400) to be respectively electrically connected with different positions of the first short-circuit bar (410); the position of the first short-circuit bar (410) electrically connected with the driving voltage input bar (420) protrudes in a direction far away from the display area (300) relative to other positions of the first short-circuit bar (410), so that the light emission of the OLED in the display area is relatively consistent.

Description

AMOLED display panel and display Technical Field
The invention relates to the technical field of display, in particular to an AMOLED display panel and a display.
Background
The AMOLED (Active-matrix Organic Light-Emitting Diode) display panel comprises a display area and a non-display area, wherein a plurality of OLEDs (Organic Light-Emitting diodes) are arranged in the display area, and the AMOLED display panel displays when the OLEDs emit Light. In order to drive the OLED to emit light, a driving voltage needs to be input to the OLED, in order to input the driving voltage, the AMOLED display panel is provided with a plurality of transmission lines in a display area, a driving voltage input rod and a short-circuit rod are arranged in a non-display area, the driving voltage input rod is used for inputting the driving voltage, the driving voltage input rod and the transmission lines are respectively electrically connected with the short-circuit rod and are positioned on two opposite sides of the short-circuit rod, and when the driving voltage is input by the driving voltage input rod, the short-circuit rod is connected with the driving voltage and respectively transmits the driving voltage to the transmission lines. Because each transmission line connects the position diverse on the shorting bar, some positions are close to the input stick, some positions are far away from the input stick, because shorting bar itself has resistance, thereby it will be higher to lead to the drive voltage on the transmission line that is close to the input stick position, drive voltage on the transmission line that is far away from the input stick position can be lower, thereby it has the difference to lead to transmitting the drive voltage for OLED through different transmission lines, finally lead to OLED to give out light and differentiate, thereby lead to AMOLED display panel to show the inequality.
Disclosure of Invention
The invention provides an AMOLED display panel and a display. The OLED can emit light more uniformly, and the AMOLED display panel emits light more uniformly.
In order to solve the above technical problem, an embodiment of a first aspect of the present invention provides an AMOLED display panel, including:
the display area is internally provided with a plurality of transmission lines, and the transmission lines are used for transmitting driving voltage for driving the OLED to emit light;
the non-display area is internally provided with at least one driving voltage input rod and a first short-circuit rod, the first short-circuit rod is electrically connected with the driving voltage input rod, and a plurality of transmission lines extend to the non-display area to be respectively and electrically connected with different positions of the first short-circuit rod;
wherein the position of the first shorting bar electrically connected with the driving voltage input bar protrudes in a direction away from the display area relative to other positions of the first shorting bar.
An embodiment of the second aspect of the invention provides an AMOLED display, including the AMOLED display panel;
the embodiment of the invention has the following beneficial effects:
the AMOLED display panel comprises a non-display area, wherein at least one driving voltage input rod and a first short-circuit rod are arranged in the non-display area, the first short-circuit rod is electrically connected with the driving voltage input rod, and a plurality of transmission lines extend to the non-display area to be electrically connected with different positions of the first short-circuit rod respectively; the position of the first shorting bar electrically connected with the driving voltage input bar protrudes in a direction away from the display area relative to other positions of the first shorting bar. Therefore, the transmission lines with different lengths can be arranged in the non-display area, the difference of the driving voltages at different positions on the first short-circuit bar can be offset, and finally the driving voltages transmitted to the OLEDs in the display area through the transmission lines are consistent, so that the OLED emits light consistently, and the AMOLED display panel emits light uniformly.
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 is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of a prior art AMOLED display panel;
FIG. 2a is a schematic diagram of an AMOLED display panel according to a first embodiment of the present invention;
FIG. 2b is a schematic diagram of an AMOLED display panel according to another embodiment of the present invention;
FIG. 3 is a schematic diagram of an AMOLED display panel according to a second embodiment of the present invention;
FIG. 4 is an enlarged view of the oval area of FIG. 3;
FIG. 5 is a schematic diagram of an AMOLED display panel according to a third embodiment of the present invention;
FIG. 6 is a schematic diagram of an AMOLED display panel according to another embodiment of the present invention;
reference numbers of the drawings:
100. 300-a display area; 110. 310, 510, 710-transmission lines; 200. 400-non-display area; 210. 410, 610-first shorting bar; 411-first edge portion; 412-an intermediate portion; 413-a second edge portion; 220. 420, 620-drive voltage input bar; 430-second shorting bar.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
The terms "comprising" and "having," and any variations thereof, as appearing in the specification, claims and drawings of this application, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus. Furthermore, the terms "first," "second," and "third," etc. are used to distinguish between different objects and are not used to describe a particular order.
First embodiment
Referring to fig. 2a, the AMOLED display panel includes a display area 300 and a non-display area 400.
In the present embodiment, a plurality of transmission lines 310 and a plurality of OLEDs (not shown) are disposed in the display area 300, the plurality of transmission lines 310 are used for transmitting a driving voltage to drive the OLEDs to emit light, portions of the plurality of transmission lines 310 in the display area 300 are parallel to each other, in the present embodiment, portions of the plurality of transmission lines 310 in the display area 300 are vertically arranged, and different transmission lines 310 are used for driving different OLEDs.
In this embodiment, the non-display area 400 is disposed around the display area 300, the outer portions of the four sides of the display area 300, i.e., the upper side, the lower side, the left side and the right side, are all the non-display area 400, and at least one driving voltage input rod 420 and a first shorting rod 410 are disposed in the non-display area 400. In this embodiment, the two driving voltage input bars 420 and the first shorting bar 410 are both located below the display area 300, the two driving voltage input bars 420 are electrically connected to a side of the first shorting bar 410 away from the display area 300, the plurality of transmission lines 310 extend to the non-display area 400 to be electrically connected to different positions of the first shorting bar 410, in this embodiment, the plurality of transmission lines 310 extend downward to the non-display area 400 to be electrically connected to different positions of the upper side of the first shorting bar 410, and the plurality of transmission lines 310 are uniformly arranged from the left end of the first shorting bar 410 to the right end of the first shorting bar 410. In addition, in other embodiments of the present invention, the driving voltage input bar and the first shorting bar may also be located above, to the left, or to the right of the display area.
In this embodiment, the first shorting bar 410 includes a middle portion 412, a first edge portion 411 and a second edge portion 413, the first edge portion 411 is located on the left side of the middle portion 412, the second edge portion 413 is located on the right side of the middle portion 412, the middle portion 412 is located between the two driving voltage input bars 420, that is, the two driving voltage input bars 420 are located at two ends of the middle portion 412, the first edge portion 411 is a region of the first shorting bar 410 outside the driving voltage input bar 420 on the left, and the second edge portion 413 is a region of the first shorting bar 410 outside the driving voltage input bar 420 on the right. In this embodiment, the first edge 411, the middle portion 412 and the second edge 413 each occupy 1/3 of the first shorting bar 410, but the present invention is not limited thereto, and in other embodiments of the present invention, the lengths of the first edge, the middle portion and the second edge may be set according to actual requirements.
In this embodiment, the position where the first shorting bar 410 is electrically connected to the driving voltage input bar 420 protrudes in a direction away from the display area 300 with respect to the other position of the first shorting bar 410, where the position where the first shorting bar 410 is electrically connected to the driving voltage input bar 420 protrudes downward, so that the shortest distance between the position where the first shorting bar 410 is electrically connected to the driving voltage input bar 420 and the display area 300 is greater than the shortest distance between the other position of the first shorting bar 410 and the display area 300, and so that the length of the transmission line 310 in the non-display area 400 adjacent to the position where the first shorting bar 410 is electrically connected to the driving voltage input bar 420 is longer than the length of the transmission line 310 in the non-display area 400 away from the position where the first shorting bar 410 is electrically connected to the driving voltage input bar 420, and since the transmission line 310 itself has a wire resistance, the driving voltage on the transmission line 310 adjacent to the position where the first shorting bar 410 is electrically connected to the driving voltage input bar 420 is relatively far away from the first shorting bar 410 and the driving voltage input bar 420 due to the wire resistance The driving voltage on the transmission line 310 at the position where the driving voltage input rod 420 is electrically connected may be reduced, and, because the first shorting rod 410 itself has a line resistance, thereby, the voltage drop may be more distant from the position where the first shorting rod 410 is electrically connected to the driving voltage input rod 420, thereby, through setting up the transmission line 310 of different lengths in the non-display area 400, the difference of the driving voltage at different positions on the first shorting rod 410 may be offset, thereby the driving voltage finally transmitted to the OLED in the display area 300 through the transmission line 310 is more uniform, thereby making the OLED emit light more uniform, and further the light emission of the AMOLED display panel is more uniform.
In this embodiment, the position where the first shorting bar 410 is electrically connected to the driving voltage input bar 420 and the adjacent portion thereof protrude downward in a zigzag line. However, the present invention is not limited thereto, and in other embodiments of the present invention, the position where the first shorting bar is electrically connected to the driving voltage input bar and the adjacent portion thereof may protrude downward in an arc shape, and the arc shape may be approximately a circular arc shape or the like.
In this embodiment, since the middle portion 412 is located between the two driving voltage input rods 420, the minimum value of the driving voltage on the middle portion 412 of the first shorting rod 410 may be larger than the minimum values of the driving voltages on the first and second edge portions 411, 413, and in order to offset the problem that the driving voltages of the middle portion 412 and the first and second edge portions 411, 413 are not consistent, the shortest distance from the middle portion 412 of the first shorting rod 410 to the display area 300 is greater than the shortest distance from the first and second edge portions 411, 413 to the display area 300. In addition, in another embodiment of the present invention, referring to fig. 2b, the shortest distance from the middle portion 412 of the first shorting bar 410 to the display area 300 may also be equal to the shortest distance from the first edge portion 411 and the second edge portion 412 to the display area.
In addition, referring to fig. 2a, in order to make the driving voltages on the transmission lines 310 in the display area 300 more consistent, in the present embodiment, the AMOLED display panel further includes a second shorting bar 430, and the second shorting bar 430 and the first shorting bar 410 are respectively electrically connected to two ends of the transmission lines 310, that is, the transmission lines 310 extend upward and are electrically connected to the second shorting bar 430, that is, the second shorting bar 430 shorts upper ends of the transmission lines 310 together, which further facilitates the consistency of the driving voltages on the transmission lines 310. In this embodiment, the second shorting bar 430 has a linear shape.
In addition, the embodiment of the invention also provides an AMOLED display, and the display comprises the AMOLED display panel.
Second embodiment
Fig. 3 is a schematic view of an AMOLED display panel according to a second embodiment of the present invention, and the schematic view of fig. 3 is similar to the schematic view of fig. 2a, so that the same reference numerals denote the same components, and are not repeated herein. The main difference between the present embodiment and the first embodiment is the transmission line 510 portion in the non-display area 400.
Referring to fig. 3 and 4, in the embodiment, a portion of the plurality of transmission lines 510 adjacent to the driving voltage input bar 420 between the display area 300 and the first shorting bar 410 is a bent trace, that is, a portion of the plurality of transmission lines 510 adjacent to the input bar 420 in the non-display area 400 is a bent trace, and the bent trace may have a shape of a snake, a wave, a square wave, a sine wave, or the like, for example, such that the length of the portion of the plurality of transmission lines 510 adjacent to the input bar 420 in the non-display area 400 may be increased, so as to reduce the distance of the plurality of transmission lines 510 adjacent to the input bar 420 in the non-display area 400, thereby reducing the width of the non-display area 400, and facilitating the design of a narrow frame of the AMOLED display panel.
In this embodiment, the portions of the transmission lines 510 connected to the first edge portion 411 of the first shorting bar 410 in the non-display area 400 are all bent traces, the portions of the transmission lines 510 connected to the second edge portion 413 of the first shorting bar 410 in the non-display area 400 are all bent traces, the portions of the transmission lines 510 connected to both sides of the middle portion 412 of the first shorting bar 410 in the non-display area 400 are all bent traces, but the portions of the transmission lines 510 connected to the middle portion 412 of the first shorting bar 410 in the non-display area 400 are vertical traces. However, the present invention is not limited thereto, and in other embodiments of the present invention, the transmission lines connected to the first shorting bars are routed in a meandering manner in the non-display area.
Third embodiment
Fig. 5 is a schematic view of an AMOLED display panel according to a third embodiment of the present invention, and the schematic view of fig. 5 is similar to the schematic view of fig. 2a, so the same reference numerals denote the same components and parts, which are not repeated herein. The main difference between this embodiment and the first embodiment is the position where the two driving voltage input bars 620 are electrically connected to the first shorting bar 610.
Referring to fig. 5, in the present embodiment, two driving voltage input bars 620 are electrically connected to two ends of the first shorting bar 610, and two ends of the first shorting bar 610 protrude in a direction away from the display area, in the present embodiment, the first shorting bar 610 is in an arch shape that is arched toward the display area, so that a minimum distance between two ends of the first shorting bar 610 and the display area 300 is greater than a minimum distance between a middle position of the first shorting bar 610 and the display area 300.
In the present embodiment, the transmission line 510 electrically connected to the first shorting bar 610 is vertically formed at a portion of the non-display area 400. However, the invention is not limited thereto, and in another embodiment of the invention, referring to fig. 6, the transmission lines 710 electrically connected to the first shorting bar 610 are bent at the portion of the non-display area 400.
It should be noted that, in the present specification, the embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments may be referred to each other. For the device embodiment, since it is basically similar to the method embodiment, the description is simple, and for the relevant points, refer to the partial description of the method embodiment.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention, and it is therefore to be understood that the invention is not limited by the scope of the appended claims.

Claims (10)

PCT国内申请，权利要求书已公开。PCT domestic application, the claims have been published.
CN201980073526.3A 2019-01-16 2019-01-16 AMOLED display panel and display Pending CN113261047A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2019/072004 WO2020147041A1 (en) 2019-01-16 2019-01-16 Amoled display panel and display

Publications (1)

Publication Number Publication Date
CN113261047A true CN113261047A (en) 2021-08-13

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Application Number Title Priority Date Filing Date
CN201980073526.3A Pending CN113261047A (en) 2019-01-16 2019-01-16 AMOLED display panel and display

Country Status (2)

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CN (1) CN113261047A (en)
WO (1) WO2020147041A1 (en)

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CN107180852A (en) * 2017-05-18 2017-09-19 上海天马有机发光显示技术有限公司 A kind of touch-control display panel and display device
WO2018120139A1 (en) * 2016-12-30 2018-07-05 深圳市柔宇科技有限公司 Flexible display screen and display device

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Publication number Priority date Publication date Assignee Title
CN102566169A (en) * 2010-12-31 2012-07-11 上海天马微电子有限公司 Detection device of liquid crystal display device and test method thereof
CN103927968A (en) * 2013-06-18 2014-07-16 上海天马微电子有限公司 OLED display device
CN105788516A (en) * 2014-12-23 2016-07-20 昆山国显光电有限公司 OLED display panel, manufacturing method thereof, and active matrix organic light-emitting display
CN105096830A (en) * 2015-08-20 2015-11-25 上海和辉光电有限公司 AMOLED panel, preparation method thereof, and display device
CN105093757A (en) * 2015-09-02 2015-11-25 京东方科技集团股份有限公司 Display panel, manufacturing method thereof and display device
CN105679795A (en) * 2015-12-31 2016-06-15 上海天马有机发光显示技术有限公司 Display panel and display device
WO2018120139A1 (en) * 2016-12-30 2018-07-05 深圳市柔宇科技有限公司 Flexible display screen and display device
CN107180852A (en) * 2017-05-18 2017-09-19 上海天马有机发光显示技术有限公司 A kind of touch-control display panel and display device

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Application publication date: 20210813