CN105182640B - Array substrate and display device - Google Patents
Array substrate and display device Download PDFInfo
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- CN105182640B CN105182640B CN201510562559.8A CN201510562559A CN105182640B CN 105182640 B CN105182640 B CN 105182640B CN 201510562559 A CN201510562559 A CN 201510562559A CN 105182640 B CN105182640 B CN 105182640B
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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
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed 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
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136286—Wiring, e.g. gate line, drain line
-
- 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
- H10K59/131—Interconnections, e.g. wiring lines or terminals
-
- 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
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136254—Checking; Testing
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The present invention provides a kind of array substrate and display devices, are related to field of display technology, for solving the problems, such as the metal erosion of the existing display device using array substrate row actuation techniques, improve its reliability.Wherein, a kind of array substrate includes data line, detection line and lead-out wire, the detection line is for detecting the data line, one end of the lead-out wire is connected with the end of the detection line, the other end is drawn from the data of array substrate binding side, and the both ends of the detection line respectively connect the lead-out wire.Aforementioned array substrate is in display device.
Description
Technical field
The present invention relates to field of display technology more particularly to a kind of array substrates and display device.
Background technique
Array substrate row actuation techniques (hereinafter referred to as GOA technology, the full name in English of GOA are Gate Driver on Array)
It is a kind of technology being integrated in gate drivers in array substrate.With traditional COF (Chip On Film, flip chip) skill
Art and COG (Chip on Glass, chip bonding is on glass) technology are compared, and GOA technology reduces making for grid drive chip
Dosage can reduce power consumption and cost, and GOA technology eliminates the technique of grid direction binding, is conducive to the promotion of production capacity.
Using the basic structure of the array substrate of GOA technology are as follows: array substrate has viewing area, and the inside of viewing area is arranged
There are a plurality of lateral grid line and a plurality of longitudinal data line；The external left and right sides of viewing area is provided with multiple to be connected with grid line
Gate driver on array unit (hereinafter referred to as GOA unit) is used for driven grid line；The external top of viewing area is provided with data binding
Pad, pieces of data line are connected to data binding pad, and data binding pad is for binding external data driving chip, with driving
Data line.
However, display device can generate gold during including the display device prolonged use of above-mentioned array substrate
Belong to etching problem, causes the reliability decrease of display device.
Summary of the invention
To overcome above-mentioned defect in the prior art, the present invention provides a kind of array substrate and display device, existing to solve
There is the metal erosion problem of the display device using GOA technology, improves its reliability.
In order to achieve the above objectives, the present invention adopts the following technical scheme:
The first aspect of the present invention provides a kind of array substrate, including data line and detection line, and the detection line is used for
The data line is detected, the array substrate further includes lead-out wire, one end of the lead-out wire and the detection line
End is connected, and from the data of array substrate binding side, (the hereinafter referred to as side DP, the full name in English of DP are Data Pad) to the other end
It draws, the both ends of the detection line respectively connect the lead-out wire.
It is provided with lead-out wire in array substrate provided by the present invention, the end of one end connecting detection line of lead-out wire, separately
One end is drawn from the side DP of array substrate, this is equivalent to the both ends that will test line from the extraction of the side DP, due to array substrate after cutting
The side DP be above color membrane substrates edge, therefore can be armor coated on the end of exposed lead-out wire after dicing, with
The end of exposed lead-out wire is protected, so as to avoid the detection exposed metal caused in external environment of thread end
Etching problem improves the reliability of array substrate.
Based on the above-mentioned technical proposal, optionally, the lead-out wire is set to the array substrate row driving of the array substrate
Side (the hereinafter referred to as side GOA).
Optionally, the array substrate further includes ground line (hereinafter referred to as GND line), and the GND line is set to the array
The data binding opposite side (the hereinafter referred to as side DPO, the full name in English of DPO are Data Pad Opposite) of substrate and two sides GOA,
The lead-out wire is multiplexed the part that the side GOA is in the GND line.
Optionally, the GND line, the detection line and data line same layer setting.
Optionally, the part in the GND line in the side DPO is parallel to each other with the detection line.
Optionally, the grid line same layer of the GND line and the array substrate is arranged, and the detection line and the data line are same
Layer setting.
Optionally, upright projection and the detection of the part in the GND line in the side DPO in base plan
Upright projection of the line in base plan is overlapped.
Optionally, matcoveredn is coated on the exit of the lead-out wire.
Optionally, the forming material of the protective layer is that (full name in English of hereinafter referred to as UV glue, UV is uv-curable glue
Ultraviolet Rays)。
The second aspect of the present invention provides a kind of display device, the array substrate including being oppositely arranged and color membrane substrates,
The side DPO of the array substrate and two sides GOA are aligned with the edge of the color membrane substrates, and the side DP of the array substrate is super
The edge of the color membrane substrates out, wherein the array substrate is above-described array substrate.
Since display device provided by the present invention includes above-described array substrate, the display device have with
The identical beneficial effect of above-mentioned array substrate, details are not described herein.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the plane structure chart of array substrate when detecting in the prior art to data line；
Fig. 2 is array substrate and color membrane substrates in the prior art to the plane structure chart after box；
Fig. 3 is a kind of plane structure chart of array substrate when detecting in the embodiment of the present invention to data line；
Fig. 4 is array substrate in the embodiment of the present invention and color membrane substrates to a kind of plane structure chart after box；
Fig. 5 is another plane structure chart of array substrate when detecting in the embodiment of the present invention to data line；
Fig. 6 is array substrate in the embodiment of the present invention and color membrane substrates to another plane structure chart after box.
Description of symbols:
10- array substrate；The viewing area AA-；11- detection line；
The end of 11a- detection line；12- connecting line；13- detecting pad；
14- data binding pad；15- lead-out wire；The end of 15a- lead-out wire；
16-GND line；20- color membrane substrates.
Specific embodiment
As described in background, the existing display device using GOA technology can lead to the problem of metal erosion.The present invention
Inventor's research after one of the reason of finding, causing foregoing problems be:
As shown in Figure 1, array substrate 10 has viewing area AA, the external left and right sides of viewing area AA is provided with GOA unit
(not shown), the external top of viewing area AA are provided with data binding pad 14, and the side where data binding pad 14 is referred to as
The side DP of array substrate 10, the side opposite with the side DP are the side DPO of array substrate 10, and the two sides where GOA unit are array
The side GOA of substrate 10.
To guarantee that product yield is needed in the final stage of 10 processing procedure of array substrate to grid line, the number in array substrate 10
It is detected according to line equisignal line.Wherein to the detection mode of data line are as follows: referring again to Fig. 1, in the side DPO of array substrate 10
Detection line 11 is set, and one end of pieces of data line is connected in the detection line 11, end 11a and 12 phase of connecting line of detection line
Even, connecting line 12 is connected with detecting pad 13.When detection, low level signal is applied in detection line 11 by detecting pad 13, is made
One end of data line is set low, at the same from the side DP to the other end of data line apply high level signal, if on data line generate compared with
Big voltage difference then illustrates that data line has open circuit.
For the array substrate 10 of above structure, as shown in Fig. 2, in subsequent completion array substrate 10 and color membrane substrates 20
To box, and by the full wafer glass-cutting after box at single panel unit after, the end 11a of detection line can be exposed, by
Only have the side DP in array substrate 10 after cutting and be above 20 edge of color membrane substrates, the side DPO and two sides GOA with color film base
The edge of plate 20 is aligned, therefore can not be protected by coating the exposed metal of end 11a of the UV glue to detection line in the side GOA
Shield, causes metal exposed metal erosion phenomenon can only can occur for a long time in air, liquid crystal foam and phase can be caused when serious
Bad problem is closed, the reliability decrease of display device is caused.
Based on the studies above and discovery, the present inventor proposes following technical solution.It should be noted that make
The objects, features and advantages of the technical solution proposed can be more obvious and easy to understand, below in conjunction with attached drawing, to the skill proposed
Art scheme is clearly and completely described.Obviously, described embodiment is only that a part of proposed technical solution is real
Example is applied, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creation
Property labour under the premise of all other embodiment obtained, belong to the scope of protection of the invention.
A kind of array substrate is present embodiments provided, as shown in figure 3, the array substrate 10 includes that data line (does not show in figure
Out), detection line 11 and lead-out wire 15, wherein detection line 11 is for detecting data line；One end of lead-out wire 15 and detection
The end 11a of line is connected, and the other end is drawn from the side DP of array substrate 10, and the both ends of detection line 11 respectively connect a lead-out wire
15。
In above-mentioned array substrate 10, by the way that lead-out wire 15 is arranged, make the end of one end connecting detection line of lead-out wire 15
11a, the other end are drawn from the side DP of array substrate 10, this, which is equivalent to, will test the both ends of line 11 and draw from the side DP.Such as Fig. 3 institute
Show, complete in array substrate 10 and color membrane substrates 20 to box, and by the full wafer glass-cutting after box at single panel list
After member, the side DP of array substrate 10 is above 20 edge of color membrane substrates, therefore is capable of the end of exposed lead-out wire after dicing
It is armor coated on portion 15a, it is protected with the end 15a to exposed lead-out wire, avoids detection line 11 from array substrate
10 side GOA draw caused by detection line end 11a have to it is exposed in the problems in external environment, and then also it is avoided that
Thus the metal erosion problem that is caused, it is therefore prevented that liquid crystal foam and related potential undesirable generation improve array substrate
10 reliability.
It should be noted that " side DP " of array substrate 10 refers to the side where data binding pad 14 in the present embodiment.
In addition, the side opposite with the side DP is the side DPO of array substrate 10；Remaining two sides, i.e. two sides where GOA unit are array
The side GOA of substrate 10.
In above-mentioned array substrate 10, lead-out wire 15 preferably may be disposed at the side GOA of array substrate 10, with shorter line
Road will test line 11 and draw from the side DP of array substrate 10.
In above-mentioned array substrate 10, lead-out wire 15, detection line 11 and data line can same layer formed, without additionally increasing
The step of being used to form lead-out wire 15, do not increase production array substrate 10 complexity on the basis of, will test line 11 from
It draws the side DP.
As shown in Figure 5 and Figure 6, GND line 16 can be set in usual array substrate 10, it will be in 10 production process of array substrate
The electrostatic of generation exports, and GND line 16 may be disposed at the side DPO of array substrate 10 and two sides GOA, GND line 16 can be connected to number
According on binding pad 14.It so that lead-out wire 15 is multiplexed the part for being in the side GOA in GND line 16 in the present embodiment, that is, draw
The same metal line of partial common of the side GOA is in line 15 and GND line 16, without additionally increasing lead-out wire 15, not
On the basis of the complexity for increasing the wiring of the side GOA, realizes and will test the purpose that line 11 is drawn from the side DP.
Based on the technical solution of above-mentioned lead-out wire 15 multiplexing GND line 16, in the present embodiment, GND line 16,11 sum number of detection line
According to line can same layer setting, so that the production of GND line 16, lead-out wire 15 and detection line 11 to be compatible with to the production of source-drain electrode metal layer
In, without additionally increasing the processing step for making them.
At this point, being in the side DPO due to being in the part of the side DPO and detection line 11 in GND line 16, and it is in same film layer
In, therefore in order to guarantee that the two is spaced from each other, it does not influence the respective function to be played mutually, can preferably make the two mutually flat
Row.
In the present embodiment, the grid line same layer of GND line 16 and array substrate 10 can be made to be arranged, and make detection line 11 and data
Line same layer setting, this setup the production of GND line 16, lead-out wire 15 and detection line 11 can be compatible with gate metal layer and
In the production of source-drain electrode metal layer, the same processing step without additionally increasing for making them；Also, due to GND line 16
It is in two different film layers from detection line 11, therefore the part in GND line 16 in the side DPO is divided naturally with detection line 11
It opens, without considering how the problem of separating the two.
At this point, can preferably make the part in GND line 16 in the side DPO in base plan (i.e. included by array substrate 10
Underlay substrate where plane) on upright projection and detection line 11 in base plan upright projection overlapping, to subtract
The small layout area of the side DPO, is conducive to the narrow frame of display device.
Since the end 15a of lead-out wire 15 is drawn from the side DP of array substrate 10, the DP of array substrate 10 after cutting
Side exceeds color membrane substrates 20, therefore can be armor coated on the exit (i.e. 15a) of lead-out wire 15, to protect lead-out wire 15
The exposed metal of exit.The forming material of the protective layer can be preferably UV glue, which can be in subsequent cure sealant
Process in be cured, so as to preferably protect lower section metal.
In the present embodiment, one end of pieces of data line is connected in detection line 11, the process detected to data line are as follows:
The end 15a that will test the lead-out wire 15 at 11 both ends of line is respectively connected on detecting pad 13, will specifically be drawn using connecting line 12
Outlet end 15a is connect with detecting pad 13.Apply a low level signal, the low level signal to detecting pad 13 using detecting instrument
Connecting line 12 and lead-out wire 15 are passed sequentially through, is transmitted in detection line 11, so that one end of data line be set low；Simultaneously to data
The other end of line applies a high level signal.If the voltage difference on data line is smaller or almost nil, illustrate that data line is logical
Freely, there is no open circuits；If the voltage difference on data line is larger, if the voltage difference on data line exceeds the threshold value of voltage difference, then
Illustrate there is open circuit in data line.Certainly, high level signal can also be transmitted to detection line 11 when detection, thus by the one of data line
Height is set at end, while applying low level signal to the other end of data line.
The present embodiment additionally provides a kind of display device, which includes the array substrate being oppositely arranged and color film base
Plate, the side DPO of array substrate and two sides GOA are aligned with the edge of color membrane substrates, and the side DP of array substrate exceeds color film base
The edge of plate, wherein the array substrate is array substrate described in the present embodiment.
The array substrate as described in the present embodiment reduces metal erosion problem, and reliability is higher, therefore including the battle array
The display device of column substrate also has the advantages that high reliablity.
It should be noted that display device described in the present embodiment can be array substrate and color membrane substrates completion pair
Box, and by after to the full wafer glass-cutting after box, obtained single panel unit, or the display dress being completed
It sets.
Also, display device provided by the present embodiment can be liquid crystal, OLED (Organic Light-Emitting
Diode, Organic Light Emitting Diode) or the types such as Electronic Paper display device, can be applied to mobile phone, tablet computer, television set,
Any products or components having a display function such as display, laptop, Digital Frame, navigator.
The foregoing is merely a specific embodiment of the invention, but scope of protection of the present invention is not limited thereto, any
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by those familiar with the art, all answers
It is included within the scope of the present invention.Therefore, protection scope of the present invention should be with the scope of protection of the claims
It is quasi-.
Claims (8)
1. a kind of GOA type array substrate, including data line and detection line, the detection line is for examining the data line
It surveys, which is characterized in that the array substrate further includes lead-out wire, the end phase of one end of the lead-out wire and the detection line
Even, the other end is drawn from the data of array substrate binding side, and the both ends of the detection line respectively connect the lead-out wire；
The lead-out wire is set to the array substrate row driving side of the array substrate；
Matcoveredn is coated on the exit of the lead-out wire.
2. array substrate according to claim 1, which is characterized in that the array substrate further includes ground line, described to connect
Ground wire is set to the data binding opposite side and two array substrate row driving sides of the array substrate, described in the lead-out wire multiplexing
The part of the array substrate row driving side is in ground line.
3. array substrate according to claim 2, which is characterized in that the ground line, the detection line and the data
The setting of line same layer.
4. array substrate according to claim 3, which is characterized in that bind opposite side in the data in the ground line
Part be parallel to each other with the detection line.
5. array substrate according to claim 2, which is characterized in that the ground line and the grid line of the array substrate are same
Layer setting, the detection line and data line same layer setting.
6. array substrate according to claim 5, which is characterized in that bind opposite side in the data in the ground line
Upright projection overlapping of upright projection and the detection line of the part in base plan in base plan.
7. array substrate according to claim 1, which is characterized in that the forming material of the protective layer is ultra-violet curing
Glue.
8. a kind of GOA type display device, which is characterized in that including the array substrate being oppositely arranged and color membrane substrates, the array
The data binding opposite side of substrate and two array substrate row driving sides are aligned with the edge of the color membrane substrates, the array base
The data binding side of plate exceeds the edge of the color membrane substrates, wherein
The array substrate is the described in any item array substrates of claim 1~7.
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| CN201510562559.8A CN105182640B (en) | 2015-09-06 | 2015-09-06 | Array substrate and display device |
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| CN201510562559.8A CN105182640B (en) | 2015-09-06 | 2015-09-06 | Array substrate and display device |
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| CN106681075B (en) * | 2017-03-23 | 2019-05-28 | 京东方科技集团股份有限公司 | Display panel, array substrate and its manufacturing method, detection circuit |
| CN109521584A (en) | 2018-11-16 | 2019-03-26 | 合肥京东方显示技术有限公司 | A kind of display master blank, array substrate and preparation method thereof and display panel |
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| CN101241281A (en) * | 2007-02-07 | 2008-08-13 | 中华映管股份有限公司 | Active element array substrate |
| CN102854679A (en) * | 2012-09-25 | 2013-01-02 | 南京中电熊猫液晶显示科技有限公司 | Liquid crystal display panel and repairing method thereof |
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| KR100443539B1 (en) * | 2002-04-16 | 2004-08-09 | 엘지.필립스 엘시디 주식회사 | A array substrate for Liquid crystal display and method for fabricating the same |
| CN102455553B (en) * | 2010-10-22 | 2016-05-04 | 京东方科技集团股份有限公司 | TFT-LCD, array base palte and manufacture method thereof |
| CN203055406U (en) * | 2012-12-24 | 2013-07-10 | 北京京东方光电科技有限公司 | Signal line detecting device and display device for substrate |
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|---|---|---|---|---|
| CN1422389A (en) * | 2000-12-07 | 2003-06-04 | 皇家菲利浦电子有限公司 | Liquid crystal display device having an auxiliary wiring |
| CN101241281A (en) * | 2007-02-07 | 2008-08-13 | 中华映管股份有限公司 | Active element array substrate |
| CN102854679A (en) * | 2012-09-25 | 2013-01-02 | 南京中电熊猫液晶显示科技有限公司 | Liquid crystal display panel and repairing method thereof |
| CN204577067U (en) * | 2015-05-08 | 2015-08-19 | 上海中航光电子有限公司 | A kind of array base palte and display panel |
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