CN110346990B - GOA circuit and display panel thereof - Google Patents
GOA circuit and display panel thereof Download PDFInfo
- Publication number
- CN110346990B CN110346990B CN201910547809.9A CN201910547809A CN110346990B CN 110346990 B CN110346990 B CN 110346990B CN 201910547809 A CN201910547809 A CN 201910547809A CN 110346990 B CN110346990 B CN 110346990B
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- Prior art keywords
- subunit
- line
- goa
- rectangular frame
- parallel
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- 239000000565 sealant Substances 0.000 claims description 10
- 239000003292 glue Substances 0.000 abstract description 18
- 239000004973 liquid crystal related substance Substances 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 238000007789 sealing Methods 0.000 description 3
- 238000002834 transmittance Methods 0.000 description 3
- 238000005034 decoration Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 238000011109 contamination Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Images
Classifications
-
- 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
- G02F1/1345—Conductors connecting electrodes to cell terminals
- G02F1/13454—Drivers integrated on the active matrix substrate
Abstract
The embodiment of the invention discloses a GOA circuit and a display panel thereof. The GOA circuit comprises at least one first subunit and is distributed on two sides of the GOA circuit in parallel; the second sub-units are parallel to the first sub-units and distributed in the middle of the GOA circuit; the width of the first subunit is greater than the width of the second subunit. The display panel comprises the GOA circuit and a panel frame glue circuit, the panel frame glue circuit is arranged above the GOA circuit in parallel, and the panel frame glue circuit and the GOA circuit are arranged correspondingly. The invention provides a GOA circuit, which reduces the width of a middle subunit of the whole GOA circuit by reducing the opening rate of the middle subunit, can realize the design of a narrow frame of a panel while meeting the problems of avoiding liquid crystal pollution, puncture and the like in the curing of frame glue, is beneficial to the expansion of the market of the narrow frame and promotes the progress of the narrow frame panel.
Description
Technical Field
The invention relates to the technical field of display, in particular to a GOA circuit under frame glue and a display panel thereof.
Background
Currently, the curing of the Seal (Seal) requires Ultraviolet (UV) light irradiation, and in order to ensure complete curing of the Seal, the regions possibly covered by the Seal are all designed as the Seal lines 10 shown in fig. 1, so as to ensure about 50% of light transmittance, and fig. 1 is formed by graphically combining the Seal line sub-units 11 shown in fig. 2. However, the frame glue curing mainly avoids Liquid Crystal (LC) contamination, puncture and the like, so that the requirement can be met by ensuring the complete curing of the frame glue edge without completely curing the whole frame glue.
An Array substrate line driving (GOA, Gate Driver On Array or Gate On Array) circuit is a technology for manufacturing a Gate line (Gate) line scanning driving signal circuit On an Array substrate by utilizing the existing thin film transistor display device (TFT-LCD) Array (Array) manufacturing process so as to realize the driving mode of scanning the Gate line by line.
At present, the requirements of customers and markets on a Panel (Panel) frame are higher and higher, a narrow frame becomes a target to be achieved, but considering that the size of the Panel is increased, the width of frame glue is also increased, and the frame is reduced, so that a GOA line covers under the frame glue, and all signal wires of the GOA ensure the design of 50% transmittance (or aperture ratio) due to the consideration of resistance and capacitance.
The conventional design of the seal-under-sealant GOA line is shown in fig. 3, and the GOA line 20 in the prior art is composed of 10 GOA line sub-units 21 with the same structure, and the whole width of the GOA line sub-unit is 835 um.
The design method of the prior art that the GOA line 20 ensures 50% transmittance has the advantages that the sealant is easy to cure and has good uniformity, and the disadvantage of being not favorable for narrow frame design.
Disclosure of Invention
In order to solve the problem of narrow frame design of the panel, the invention provides the GOA circuit under the frame glue and the display panel thereof, which can realize the narrow frame design of the panel while meeting the requirements of curing the frame glue to avoid the problems of liquid crystal pollution, puncture and the like.
In order to achieve the purpose, the invention adopts the following technical scheme:
in an embodiment of the present invention, a GOA line includes
A first subunit;
the second subunit is arranged on one side of the first subunit;
the first subunit comprises a first rectangular frame, two first grid lines parallel to the long edges of the first rectangular frame are further arranged in the first rectangular frame, and the first grid lines and the long edges of the first rectangular frame are arranged at equal intervals;
the second subunit comprises a second rectangular frame, a second grid line parallel to the long edge of the second rectangular frame is also arranged in the second rectangular frame, and the second grid line and the long edge of the second rectangular frame are arranged at equal intervals;
the width of a first rectangular frame of the first subunit is larger than that of a second rectangular frame of the second subunit.
Further, the aperture ratio of the first subunit is greater than the aperture ratio of the second subunit.
Further, the first subunit and the second subunit are parallel and arranged on two sides of the second subunit; the long sides of the first subunit and the second subunit are equal in size, and the wide sides of the first subunit and the second subunit are on the same straight line.
Furthermore, the third subunit includes a third rectangular frame, a third gate line parallel to the long side of the third rectangular frame is further disposed in the third rectangular frame, and the third gate line and the long side of the third rectangular frame are disposed at equal intervals.
Further, the third subunit is arranged in parallel between the first subunit and the third subunit; the widths of the first subunit, the second subunit and the third subunit are reduced in sequence.
Further, the aperture ratios of the first subunit, the second subunit and the third subunit decrease in sequence.
Further, the aperture opening ratio of the first subunit is 46% -54%; the opening rate of the second subunit is 39% -45%; the aperture opening ratio of the third subunit is 35-38%.
Further, the adjacent first subunit, second subunit and third subunit are equally spaced.
Further, the long sides of the first subunit, the second subunit and the third subunit are equal in size, and the wide sides of the first subunit, the second subunit and the third subunit are on the same straight line.
In another embodiment of the present invention, a display panel is provided, which includes the GOA line and a panel sealant line related to the present invention, the panel sealant line is disposed above the GOA line in parallel, and the panel sealant line and the GOA line are disposed correspondingly.
Different from the situation of the prior art, the GOA circuit provided by the invention has the advantages that the width is reduced by reducing the opening rate of the middle subunit of the whole GOA circuit, the problems of liquid crystal pollution, puncture and the like can be avoided by curing frame glue, the narrow frame design of the panel is realized, the expansion of the narrow frame market is facilitated, and the progress of the narrow frame panel is promoted.
Drawings
Fig. 1 is a schematic diagram of a circuit structure under the coverage of frame glue in the prior art;
FIG. 2 is a schematic diagram of a circuit subunit structure under the coverage of sealant in the prior art;
fig. 3 is a schematic diagram of a GOA line structure in the prior art;
fig. 4 is a schematic structural diagram of a GOA line according to an embodiment of the present invention.
The components in the figure are identified as follows:
a line covered by 10 sealant, a line sub-unit covered by 11 sealant, a GOA line of 20 prior art, a GOA line sub-unit 21, a GOA line 30, a first sub-unit 31,
32 second subunit, 33 third subunit, 311 first rectangular frame, first grid line 312,
A second rectangular frame 321, a second gate line 322, a third rectangular frame 331, and a third gate line 332.
Detailed Description
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Referring to fig. 4, an embodiment of the invention provides a GOA line 30, which includes a first subunit 31, a second subunit 32, and a third subunit 33.
The first subunit 31 includes a first rectangular frame 311, two first gate lines 312 parallel to the long sides of the first rectangular frame 311 are further disposed in the first rectangular frame 311, and the first gate lines 312 are disposed at equal intervals with the long sides of the first rectangular frame 311;
the second subunit 32 includes a second rectangular border 321, a second gate line 322 parallel to the long side of the second rectangular border 321 is further disposed in the second rectangular border 321, and the second gate line 322 is disposed at equal intervals with the long side of the second rectangular border 321;
the width of the first subunit 31 is greater than the width of the second subunit 32. Wherein the aperture ratio of the first subunit 31 is greater than the aperture ratio of the second subunit 32. Specifically, since the lines with different aperture ratios have different line widths, the rectangular frame width of the first subunit 31 is larger than the rectangular frame width of the second subunit 32, and the aperture ratio corresponding to the first subunit 31 is larger than the aperture ratio of the second subunit 32. The aperture ratios of the first subunit 31 and the second subunit 32 can be adjusted by adjusting the widths of the first gate line 312 and the second gate line 322; alternatively, the aperture ratios of the first subunit 31 and the second subunit 32 are adjusted by adjusting the number of the first grid lines 312 and the second grid lines 322; meanwhile, other technical schemes for reducing the total width of the GOA line 30 by reducing the aperture ratio are not excluded from the present application.
Wherein the first subunit 31 is parallel to the second subunit 32 and disposed on two sides of the second subunit 32; the first subunit 31 and the second subunit 32 have the same long side and the same wide side.
The third subunit 33 includes a third rectangular frame 331, a third gate line 332 parallel to the long side of the third rectangular frame 331 is further disposed in the third rectangular frame 331, and the third gate line 332 and the long side of the third rectangular frame are disposed at equal intervals.
Wherein the third subunit 33 is disposed in parallel between the first subunit 31 and the third subunit 3333; the widths of the first subunit 31, the second subunit 32 and the third subunit 33 decrease in sequence.
Wherein the aperture ratios of the first, second and third sub-units 31, 32 and 33 decrease in sequence. For example, the aperture ratio of the first subunit 31 is 46% to 54%; the aperture opening ratio of the second subunit 32 is 39% -45%; the aperture opening ratio of the third subunit 33 is 35% to 38%. Preferably, wherein the first subunit has an opening ratio of 50%; the opening ratio of the second subunit is 41%; the aperture ratio of the third subunit is 37%.
Wherein the adjacent first, second and third subunits 31, 32 and 33 are equally spaced. Wherein the first subunit 31, the second subunit 32 and the third subunit 33 have equal long sides and their wide sides are on the same straight line.
Referring to fig. 4, the GOA line 30 is composed of the first subunit 31, the second subunit 32 and the third subunit 33, and the total number of the GOA lines is 10, that is, the occupied space of 10 different signal lines, and the total width of the GOA line is 750 to 834um, preferably 769 um. It can realize being less than the occupation space 834um of current GOA circuit to realize the narrow frame design of panel.
The line widths of the lines with different aperture ratios in the embodiment of the present invention are different, and are the result of adjustment on the premise of maintaining the resistance value of each line to be similar, and the aperture ratio thereof can be adjusted according to the different line widths of the lines, so that other sub-units with various specifications can be included, and it is only necessary to ensure that the total number of sub-units of the GOA line 30 is 10.
In another embodiment of the present invention, a display panel is provided, which includes any one of the above-mentioned GOA lines 30 and a panel frame sealing glue line 10, wherein the panel frame sealing glue line 10 is disposed above the GOA line 30 in parallel, and the panel frame sealing glue line 10 is disposed corresponding to the GOA line 30.
According to the GOA circuit, the width of the GOA circuit is reduced by reducing the opening rate of the middle subunit of the whole GOA circuit, the narrow-frame design of the panel can be realized while the problems of liquid crystal pollution, puncture and the like are avoided by curing frame glue, the expansion of the narrow-frame market is facilitated, and the progress of the narrow-frame panel is promoted.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (6)
1. A GOA circuit, comprising
A first subunit;
the second subunit is arranged on one side of the first subunit;
the third subunit is arranged between the first subunit and the second subunit in parallel;
the first subunit comprises a first rectangular frame, two first grid lines parallel to the long edges of the first rectangular frame are further arranged in the first rectangular frame, and the first grid lines and the long edges of the first rectangular frame are arranged at equal intervals;
the second subunit comprises a second rectangular frame, a second grid line parallel to the long edge of the second rectangular frame is also arranged in the second rectangular frame, and the second grid line and the long edge of the second rectangular frame are arranged at equal intervals;
the width of the first subunit is greater than the width of the second subunit; the first subunit and the second subunit are parallel and arranged on two sides of the second subunit; the long sides of the first subunit and the second subunit are equal in size, and the wide sides of the first subunit and the second subunit are on the same straight line;
the aperture ratios of the first subunit, the second subunit and the third subunit are reduced in sequence; the aperture opening ratio of the first subunit is 46% -54%; the opening rate of the second subunit is 39% -45%; the aperture opening ratio of the third subunit is 35-38%.
2. A GOA line according to claim 1, wherein the third sub-unit comprises a third rectangular border, and a third gate line is disposed within the third rectangular border and parallel to the long side of the third rectangular border, and the third gate line is disposed at an equal interval from the long side of the third rectangular border.
3. A GOA line as claimed in claim 1, wherein the widths of the first, second and third sub-units decrease sequentially.
4. A GOA line as per claim 1, wherein adjacent first, second and third sub-units are equally spaced.
5. A GOA line as per claim 1, wherein the first, second and third sub-units have equal long sides and their wide sides are collinear.
6. A display panel comprising the GOA line of any one of claims 1-5 and a panel sealant line disposed in parallel above the GOA line, the panel sealant line being disposed in correspondence with the GOA line.
Priority Applications (1)
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CN201910547809.9A CN110346990B (en) | 2019-06-24 | 2019-06-24 | GOA circuit and display panel thereof |
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CN201910547809.9A CN110346990B (en) | 2019-06-24 | 2019-06-24 | GOA circuit and display panel thereof |
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CN110346990A CN110346990A (en) | 2019-10-18 |
CN110346990B true CN110346990B (en) | 2021-06-25 |
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CN111123574B (en) * | 2020-01-16 | 2022-05-03 | 深圳市华星光电半导体显示技术有限公司 | Display panel, display device and electronic equipment |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1760946A (en) * | 2004-09-13 | 2006-04-19 | 三星电子株式会社 | Driver element and have a display device of this driver element |
CN102640042A (en) * | 2009-12-04 | 2012-08-15 | 夏普株式会社 | Liquid crystal display device |
KR20160044173A (en) * | 2014-10-14 | 2016-04-25 | 엘지디스플레이 주식회사 | Display Panel With Narrow Bezel And Display Device Including The Same |
CN109036251A (en) * | 2018-06-22 | 2018-12-18 | 友达光电股份有限公司 | Display panel |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104036745B (en) * | 2014-06-07 | 2017-01-18 | 深圳市华星光电技术有限公司 | Drive circuit and liquid crystal display device |
CN108761941B (en) * | 2018-05-31 | 2021-04-20 | Tcl华星光电技术有限公司 | COA type liquid crystal display panel structure and manufacturing method of COA type liquid crystal display panel |
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1760946A (en) * | 2004-09-13 | 2006-04-19 | 三星电子株式会社 | Driver element and have a display device of this driver element |
CN102640042A (en) * | 2009-12-04 | 2012-08-15 | 夏普株式会社 | Liquid crystal display device |
KR20160044173A (en) * | 2014-10-14 | 2016-04-25 | 엘지디스플레이 주식회사 | Display Panel With Narrow Bezel And Display Device Including The Same |
CN109036251A (en) * | 2018-06-22 | 2018-12-18 | 友达光电股份有限公司 | Display panel |
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Effective date of registration: 20210526 Address after: No. 338, Fangzhou Road, Suzhou Industrial Park, Suzhou, Jiangsu 215000 Applicant after: Suzhou Huaxing Optoelectronic Technology Co.,Ltd. Address before: 9-2 Tangming Avenue, Gongming street, Guangming New District, Shenzhen City, Guangdong Province Applicant before: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY Co.,Ltd. |
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