CN106773388A - The display panel of compatible various frame sizes and the lighting test method of display panel - Google Patents
The display panel of compatible various frame sizes and the lighting test method of display panel Download PDFInfo
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- CN106773388A CN106773388A CN201611254040.4A CN201611254040A CN106773388A CN 106773388 A CN106773388 A CN 106773388A CN 201611254040 A CN201611254040 A CN 201611254040A CN 106773388 A CN106773388 A CN 106773388A
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1345—Conductors connecting electrodes to cell terminals
- G02F1/13452—Conductors connecting driver circuitry and terminals of panels
-
- 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
- G02F1/1306—Details
- G02F1/1309—Repairing; Testing
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- Nonlinear Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Liquid Crystal (AREA)
Abstract
The invention discloses the display panel and the lighting test method of display panel of a kind of compatible various frame sizes, the display panel is, a group binding lead end and a plurality of short bar are respectively arranged with the display panel areas that every kind of frame size is defined, and it is identical corresponding to the dimensional parameters of the binding lead end of different frame sizes, wherein, the short bar is positioned close to the frame line defined by different frame sizes；The binding lead end at each group binding lead end correspondence position sequence is connected to the sector cabling of display panel after being sequentially connected in series；The binding lead end corresponding to maximum frame size is directly connected with corresponding short bar, and the binding lead end corresponding to remaining frame size is connected by switch element with corresponding short bar.The display panel can be produced using a kind of light shield, can reduce light shield cost, while reducing processing time, lift production capacity.
Description
Technical field
The invention belongs to technical field of liquid crystal display, more particularly to the display panel of a kind of compatible various frame sizes and aobvious
Show the lighting test method of panel.
Background technology
In recent years, with the fast development of display industry, display product is more and more diversified.Different clients are for panel
The requirement of specification is also often different, such as resolution ratio, contrast, penetrance, frame size etc..Panel vendor generally meets
Face two kinds of frame other panel parameters all identical demands.Different frame sizes but panel other specification identical light shield is related to,
Except short bar (Shorting Bar) and binding lead end (Bounding Lead) place are different, other wirings are all identical.
Because the short bar of the display panel of different frame sizes is different with the position of binding lead end, conventional method is exactly to set
Count two sets of different light shields to produce two kinds of panels of different frame sizes, and other specification identical products, can thus increase
Plus light shield cost, and need to change light shield when producing the product of different frame sizes, increase panel processing time.
Therefore, need badly and short bar is improved with the cabling of binding lead end, to realize the display of different frame sizes
The compatible wiring of panel.
The content of the invention
One of technical problems to be solved by the invention are that short bar is improved with the cabling of binding lead end, with reality
The compatible wiring of the display panel of existing different frame sizes.
In order to solve the above-mentioned technical problem, embodiments herein provide firstly a kind of the aobvious of compatible various frame sizes
Show panel, a group binding lead end and a plurality of short circuit are respectively arranged with the display panel areas that every kind of frame size is defined
Rod, and corresponding to different frame sizes binding lead end dimensional parameters it is identical, wherein, the short bar be positioned close to by
At the frame line that different frame sizes are defined；The binding lead end at each group binding lead end correspondence position sequence is sequentially connected in series
The sector cabling of display panel is connected to afterwards；Corresponding to maximum frame size the binding lead end directly with corresponding short circuit
Rod is connected, and the binding lead end corresponding to remaining frame size is connected by switch element with corresponding short bar.
Preferably, the switch element is arranged on the region between two adjacent group binding lead ends.
Preferably, the switch element corresponding to minimum frame size is arranged on the sector routing region of display panel
It is interior.
Preferably, the number corresponding to the switch element of every kind of frame size draws equal to the binding corresponding to the frame size
The number of line end.
Preferably, the display panel is used for compatible first frame size and the second frame size, the first frame size
More than second frame size：The switch element is thin film transistor (TFT), is arranged on the binding corresponding to the first frame size
Lead end and corresponding between the binding lead end of the second frame size, and it is completely contained in what is defined by the second frame size
In display panel areas；The binding lead end corresponding to the first frame size is directly connected with corresponding short bar；It is right
Should be connected with the source electrode of thin film transistor (TFT) in the binding lead end of the second frame size, it drains and corresponding short bar
It is connected, the grid of each thin film transistor (TFT) accesses identical control signal.
Preferably, the display panel is used for compatible first frame size and the second frame size, the first frame size
More than second frame size：The switch element is thin film transistor (TFT), is arranged in the sector routing region of display panel；
The binding lead end corresponding to the first frame size is directly connected with corresponding short bar；Corresponding to the second frame size
The binding lead end be connected with the source electrode of thin film transistor (TFT), its drain electrode is connected with corresponding short bar, and each film is brilliant
The grid of body pipe accesses identical control signal.
Preferably, when the display panel areas to being defined by the second frame size carry out lighting test, the display
Panel is configured to, and each thin film transistor (TFT) is opened by the control signal, the corresponding short bar of the binding lead end it
Between connection be switched on；When data-signal is transmitted to the display panel areas defined by the second frame size, the display
Panel is configured to, and each thin film transistor (TFT) is closed by the control signal, the corresponding short bar of the binding lead end it
Between connection be disconnected.
Preferably, after the lighting test for terminating to carry out the display panel areas defined by the first frame size,
The display panel configurations are, using laser will correspond to first frame size binding lead end and corresponding short bar it
Between connection cut-out.
Preferably, in the display panel areas that every kind of frame size is defined, the number and display surface of the short bar
The number of the sub-pixel unit that plate has is equal, corresponding to same color sub-pixel unit by bind lead end with it is same
One short bar is connected.
Embodiments herein additionally provides a kind of method that lighting test is carried out to display panel, including：When to by most
When the display panel areas that big frame size is defined carry out lighting test, will be corresponding to remaining frame size by switch element
The display panel binding lead end and short bar between connection disconnect；It is short to each bar corresponding to maximum frame size
Road rod input lighting test signal；The binding for terminating to correspond to maximum frame size using laser cutting after lighting test is drawn
Connection between line end and short bar；Drive circuit COF is tied to each binding lead end；
When the display panel areas to being defined by remaining frame size carry out lighting test, will be removed by switch element
Beyond the display panel areas defined by the frame size of current tested, the binding corresponding to other frame sizes is drawn
Connection between line end and short bar disconnects；Surveyed to each bar short bar input lighting of the frame size corresponding to current tested
Trial signal；The binding lead end of the frame size of current tested will be corresponded to by switch element after terminating lighting test
Connection between short bar disconnects；Drive circuit COF is tied to each binding lead end.
Compared with prior art, one or more embodiments in such scheme can have the following advantages that or beneficial effect
Really：
By improving the cabling of short bar and binding lead end, and short bar is controlled using switch element with binding lead
Connection between end with disconnect, realize the wiring of compatible various frame sizes in a display panel areas, and then can be with
The display panel with different frame sizes is produced using the compatible wiring of two kinds or more of frames on a set of light shield, can
To reduce light shield cost, while reducing processing time, production capacity is lifted.
Other advantages of the invention, target, and feature will be illustrated in the following description to a certain extent, and
And to a certain extent, based on being will be apparent to those skilled in the art to investigating hereafter, Huo Zheke
To be instructed from the practice of the present invention.Target of the invention and other advantages can be wanted by following specification, right
Specifically noted structure in book, and accompanying drawing is asked to realize and obtain.
Brief description of the drawings
Accompanying drawing is used for providing to the technical scheme of the application or further understanding for prior art, and constitutes specification
A part.Wherein, the accompanying drawing of expression the embodiment of the present application is used to explain the technical side of the application together with embodiments herein
Case, but do not constitute the limitation to technical scheme.
Fig. 1 is the source electrode drive circuit side short bar of existing display panel product and the schematic wiring diagram of binding lead end；
Fig. 2 is the structural representation of the display panel of the compatible various frame sizes according to first embodiment of the invention；
Fig. 3 is the structural representation of the Wide frame display panel according to first embodiment of the invention；
Fig. 4 is the structural representation of the narrow frame display panel according to first embodiment of the invention；
Fig. 5 is the structural representation of the display panel of the compatible various frame sizes according to second embodiment of the invention.
Specific embodiment
Describe embodiments of the present invention in detail below with reference to drawings and Examples, how the present invention is applied whereby
Technological means solves technical problem, and reaches the implementation process of relevant art effect and can fully understand and implement according to this.This Shen
Each feature that please be in embodiment and embodiment, can be combined with each other under the premise of not colliding, the technical scheme for being formed
Within protection scope of the present invention.
Fig. 1 is the source electrode drive circuit side short bar of existing display panel product and the schematic wiring diagram of binding lead end.
As illustrated, in the range of the frame of display panel (namely in TFT Cut Line), all of red sub-pixel in panel
Signal is all connected on a short bar cabling, and equally, green and blue subpixels signal are also all connected in other two short circuits respectively
On rod cabling.
When carrying out short bar lighting test, the point lamp inspection of whole fast display panel can be completed to three lighting test signals
Survey, it is convenient and swift, the testing time is saved, it is cost-effective.On final products, when panel normally runs, the red (green of different lines
Or blue) different data-signals are needed, the normal display of panel could be completed, therefore after lighting test, module system
Laser cutting (Laser Cut) will be carried out in journey, the position of cut-out is as illustrated, by between binding lead end and short bar
Cabling disconnects, and then drive circuit COF (Chip OnFilm) is bundled on binding lead end and provides data-signal to panel,
Give each column red (green is blue) transmission grayscale signal by drive circuit COF, be separated from one another between each column, can transmit
Unlike signal.The wiring can just realize convenient test, and again can normal work in laser cutting rear board.
Needed if the compatible wiring of two kinds of frames is realized in the range of above-mentioned display panel two groups of short bars of wiring and
Two group binding lead ends, and short bar is connected with binding lead end, therefore, cloth simultaneously cannot be realized in the prior art
Line.
In the first embodiment of the present invention and second embodiment, propose a kind of to be capable of compatible two kinds of frame sizes respectively
The structure of display panel, illustrates with reference to specific embodiment.
In addition, also, it should be noted that the first embodiment of the present invention and second embodiment are only with being capable of compatible two kinds of sides
Illustrated as a example by the display panel of frame size, in the case of without departing substantially from spirit of the invention and its essence, be familiar with this area
Technical staff when the feelings for being capable of compatible various frame sizes can be extended to according to the record of first embodiment and second embodiment
Condition.
First embodiment：
The present embodiment as a example by compatible two kinds of wirings of the source electrode drive circuit side of the display panel of frame size can enter
Row explanation.
Fig. 2 is the structural representation of the display panel of the compatible various frame sizes according to first embodiment of the invention, such as
Shown in figure, first dotted line is the frame line corresponding to the first frame size from top to bottom in figure, and now display panel is broadside
Frame.Article 3 dotted line is the frame line corresponding to the second frame size, and now display panel is narrow frame.
Display panel in the present embodiment is used for compatible first frame size and the second frame size, it is assumed that the first frame size
More than second frame size.As shown in Fig. 2 the frame chi of each binding lead end 1 and second corresponding to the first frame size
Terminal at the corresponding position sequence of very little corresponding each binding lead end 2 is connected with each other, and each as corresponding to the second frame size
The binding end of lead 2 is connected to the sector cabling 3 of display panel by cabling.The signal of binding lead end 1 is after binding lead end 2
By feeding in face respective pixel after sector cabling 3, panel can work.
Binding lead end 1 corresponding to the first frame size is directly connected with corresponding short bar 1, corresponding to the second side
The binding lead end 2 of frame size is connected by switch element with corresponding short bar 2.
Switch element is arranged on the position between binding lead end 2 and the cabling of short bar 2, and switch element is completely included
In the display panel areas defined by the second frame size.Binding lead end at each sequence is correspondingly arranged a switch
Element.In embodiments of the present invention, directly illustrated as switch element using thin film transistor (TFT) (TFT).
The source electrode of thin film transistor (TFT) is connected with binding lead end 2, and its drain electrode is connected with short bar 2, each film crystal
The grid of pipe accesses identical control signal VEE.
VEE is the gate voltage signal of TFT, and as a example by the TFT with a-Si as semiconductor, TFT is in and closes during VEE=-6V
State, then short bar 2 is to disconnect with binding lead end 2, and binding lead end 2 is directly connected on binding lead end 1, VEE=
TFT is in the conduction state during 33V, and short bar 2 is conducting, the actual switch voltage and process parameter of TFT with binding lead end 2
Relevant, TFT switch voltage is defined by concrete numerical value.
When Wide frame is needed, as shown in figure 3, now the edge correspondence position of display panel is the first frame size, begin
Ensure VEE=-6V eventually, be off all the time equivalent to short bar 2 and binding lead end 2, binding lead end 1 and binding are drawn
Line end 2 is connected.When carrying out lighting test using short bar, it is only necessary to give short bar 1RGB tri- signals, through binding the He of lead end 2
Pixel in face is fed after sector cabling 3.After test, module group procedure at laser cutting line by short bar 1 and binding lead end 1 it
Between line laser cutting, then by drive circuit COF be bundled in binding lead end 1 on, can both realize proper testing and work.
When needing narrow frame, the frame of panel is the second frame size, will correspond to the display panel of the first frame size
Cutaway after, it is as shown in Figure 4 corresponding to circuit diagram at the frame of the display panel areas of the second frame size.When using short
When road rod carries out lighting test, to the signal of VEE=33V, now, in opening state, short bar 2 is with binding lead for TFT
End 2 turns on, and signal feeds pixel in face by sector cabling 3 again.To the signal of VEE=-6V after test terminates, TFT is closed
And can ensure that TFT is off all the time, enter off-state at short bar 2 and binding lead end 2, by drive circuit COF
It is tied on binding lead end 2, data-signal is transmitted to display panel.
In this case, without using the cabling between any short bar 2 of laser cutting and binding lead end 2, equivalent to
One processing procedure is saved, total processing time is advantageously reduced, the normal work of quick test and panel is realized.
Second embodiment：
Fig. 5 is the structural representation of the display panel of the compatible various frame sizes according to second embodiment of the invention,
In the embodiment, its be from the difference of first embodiment the setting of switch element position it is different.
As illustrated, still being illustrated as switch element using thin film transistor (TFT), thin film transistor (TFT) is arranged on display panel
Sector cabling 3 region in come control short bar 2 and binding lead end 2 switch.
In the present embodiment, distance is H2 between binding lead end 1 and binding lead end 2, compared in first embodiment
Binding lead end 1 and binding the distance between lead end 2 H1 (as shown in Figure 2), H2 ＜ H1.Because TFT is routed in sector walking
In the region of line 3, it is not take up binding the space between lead end 1 and binding lead end 2, therefore TFT is routed in into sector cabling 3
Region in, be advantageously implemented the wiring of ultra-narrow frame display panel.
The principle of lighting test is carried out in the present embodiment to display panel, and to the treatment of display panel after lighting test
Shown so that it normally receives data-signal and carries out picture, it is identical with first embodiment.
In short, when Wide frame is needed, VEE=-6V, panel can normally connect short bar and carry out lighting test, swash
Drive circuit COF is bundled on binding lead end 1 again after light cut-out then can normally show.When narrow frame is needed, the side of panel
Frame is the second frame size, and VEE=33V signals are given when carrying out lighting test using short bar, and being not required to laser after having tested cuts
Disconnected, by the Gate voltage VEE=-6V signals to TFT, then short bar 2 and binding lead end 2 are disconnected, and drive circuit COF is tied up
Determine onto binding lead end 2, panel can normal work.
It is easily understood that when display panel can compatible three kinds or more frame size when, lighting test process
It is as follows：
When the display panel areas to being defined by maximum frame size carry out lighting test,
To be corresponded between the binding lead end of the display panel of remaining frame size and short bar by switch element
Connection is disconnected, and lighting test signal is input into each bar short bar corresponding to maximum frame size, is utilized after terminating lighting test
Laser cutting corresponds to the connection between the binding lead end and short bar of maximum frame size, and drive circuit COF is tied to
Each binding lead end.
When the display panel areas to being defined by remaining frame size carry out lighting test,
By switch element by addition to the display panel areas defined by the frame size of current tested, correspond to
Connection between the binding lead end and short bar of other frame sizes disconnects, to the frame size corresponding to current tested
Each bar short bar is input into lighting test signal, and the frame of current tested will be corresponded to by switch element after terminating lighting test
Connection between the binding lead end and short bar of size is disconnected, and drive circuit COF is tied into each binding lead end.
In an embodiment of the present invention, the cabling of short bar and binding lead end is improved, different frames is controlled using TFT
Middle narrow side frame correspondence short bar and the switch of binding lead end, realize the compatible wiring of different frames.
Although disclosed herein implementation method as above, described content is only to facilitate understanding the present invention and adopting
Implementation method, is not limited to the present invention.Any those skilled in the art to which this invention pertains, are not departing from this
On the premise of the disclosed spirit and scope of invention, any modification and change can be made in the formal and details implemented,
But scope of patent protection of the invention, must be still defined by the scope of which is defined in the appended claims.
Claims (10)
1. a kind of display panel of compatible various frame sizes, distinguishes in the display panel areas that every kind of frame size is defined
A group binding lead end and a plurality of short bar are provided with, and corresponding to the dimensional parameters phase for binding lead end of different frame sizes
Together, wherein,
The short bar is positioned close to the frame line defined by different frame sizes；
Walk the binding lead end at each group binding lead end correspondence position sequence is connected to display panel sector after being sequentially connected in series
Line；The binding lead end corresponding to maximum frame size is directly connected with corresponding short bar, corresponding to remaining frame
The binding lead end of size is connected by switch element with corresponding short bar.
2. display panel according to claim 1, it is characterised in that the switch element is arranged on two adjacent group bindings
Region between lead end.
3. display panel according to claim 2, it is characterised in that corresponding to the switch element of minimum frame size
It is arranged in the sector routing region of display panel.
4. display panel according to any one of claim 1 to 3, it is characterised in that corresponding to every kind of frame size
The number of switch element is equal to the number of the binding lead end corresponding to the frame size.
5. display panel according to claim 4, it is characterised in that the display panel is used for compatible first frame size
With the second frame size, the first frame size is more than second frame size：
The switch element is thin film transistor (TFT), is arranged on corresponding to the binding lead end of the first frame size and corresponding to second
Between the binding lead end of frame size, and it is completely contained in the display panel areas defined by the second frame size；
The binding lead end corresponding to the first frame size is directly connected with corresponding short bar；
The binding lead end corresponding to the second frame size is connected with the source electrode of thin film transistor (TFT), its drain electrode with it is corresponding
Short bar is connected, and the grid of each thin film transistor (TFT) accesses identical control signal.
6. display panel according to claim 4, it is characterised in that the display panel is used for compatible first frame size
With the second frame size, the first frame size is more than second frame size：
The switch element is thin film transistor (TFT), is arranged in the sector routing region of display panel；
The binding lead end corresponding to the first frame size is directly connected with corresponding short bar；
The binding lead end corresponding to the second frame size is connected with the source electrode of thin film transistor (TFT), its drain electrode with it is corresponding
Short bar is connected, and the grid of each thin film transistor (TFT) accesses identical control signal.
7. the display panel according to claim 5 or 6, it is characterised in that
When the display panel areas to being defined by the second frame size carry out lighting test, the display panel configurations are,
Each thin film transistor (TFT) is opened by the control signal, the connection between the corresponding short bar of the binding lead end is led
It is logical；
When data-signal is transmitted to the display panel areas that are defined by the second frame size, the display panel configurations are,
Each thin film transistor (TFT) is closed by the control signal, the connection between the corresponding short bar of the binding lead end is broken
Open.
8. the display panel according to claim 5 or 6, it is characterised in that
After the lighting test for terminating to carry out the display panel areas defined by the first frame size, the display panel
It is configured to, will correspond to connection of the binding of first frame size between lead end and corresponding short bar using laser cuts
It is disconnected.
9. display panel according to any one of claim 1 to 8, it is characterised in that defined in every kind of frame size
Display panel areas in, the number of the sub-pixel unit that number and the display panel of the short bar have is equal, correspondence
It is connected with same short bar by binding lead end in the sub-pixel unit of same color.
10. a kind of method that lighting test is carried out to display panel as claimed in claim 1, including：
When the display panel areas to being defined by maximum frame size carry out lighting test,
To be corresponded between the binding lead end of the display panel of remaining frame size and short bar by switch element
Connection disconnects；Lighting test signal is input into each bar short bar corresponding to maximum frame size；Utilized after terminating lighting test
Laser cutting corresponds to the connection between the binding lead end and short bar of maximum frame size；Drive circuit COF is tied up
Determine to each binding lead end；
When the display panel areas to being defined by remaining frame size carry out lighting test,
By switch element by addition to the display panel areas defined by the frame size of current tested, corresponding to other
Connection between the binding lead end and short bar of frame size disconnects；To the frame size corresponding to current tested
Each bar short bar is input into lighting test signal；The frame of current tested will be corresponded to by switch element after terminating lighting test
Connection between the binding lead end and short bar of size disconnects；Drive circuit COF is tied to each binding lead end.
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| CN108646941A (en) * | 2018-04-26 | 2018-10-12 | 武汉华星光电技术有限公司 | The detection method of tft array substrate and tft array substrate |
| CN108646941B (en) * | 2018-04-26 | 2021-03-23 | 武汉华星光电技术有限公司 | TFT array substrate and detection method thereof |
| CN109634008A (en) * | 2018-12-21 | 2019-04-16 | 惠科股份有限公司 | Display panel and method for manufacturing the same |
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| CN109782503B (en) * | 2019-03-14 | 2021-11-30 | 京东方科技集团股份有限公司 | Display module and terminal |
| CN110112169A (en) * | 2019-04-22 | 2019-08-09 | 深圳市华星光电技术有限公司 | Display panel and preparation method thereof |
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Application publication date: 20170531 |