CN106293256A - In cell type contact panel and manufacture method thereof - Google Patents
In cell type contact panel and manufacture method thereof Download PDFInfo
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- CN106293256A CN106293256A CN201610883397.2A CN201610883397A CN106293256A CN 106293256 A CN106293256 A CN 106293256A CN 201610883397 A CN201610883397 A CN 201610883397A CN 106293256 A CN106293256 A CN 106293256A
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- touch control
- control unit
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
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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
- G02F1/13338—Input devices, e.g. touch panels
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Human Computer Interaction (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
Abstract
The invention discloses a kind of In cell type contact panel and manufacture method thereof, belong to Display Technique field.Solve the problem that In cell type contact panel storage electric capacity is little.In cell type contact panel of the present invention, it is included in colored filter side for transmitting the routing layer of signal, insulating barrier on described routing layer, insulating barrier includes multiple via, black-matrix layer on the insulating layer, black-matrix layer is divided into multiple independent black matrix" touch control unit, many cablings are corresponding with multiple independent black matrix" touch control units, multiple vias are corresponding with multiple independent black matrix" touch control units, turned on corresponding cabling by corresponding via black matrix" touch control unit.Finally increase the storage electric capacity of pixel.The manufacture method of In cell type contact panel of the present invention, by forming routing layer and black-matrix layer on colored filter, finally increases the storage electric capacity of pixel.
Description
Technical field
The present invention relates to Display Technique field, be specifically related to In-cell type contact panel and manufacture method thereof.
Background technology
Touch technology developed rapidly in recent years, and existing contact panel arranges the difference of position, can divide according to touch control unit
Be covered in liquid crystal cell upper type (On Cell) for touch control unit, touch control unit is embedded in liquid crystal cell mode (In Cell) and
Display floater mode (Out Cell) it is hung on outside touch control unit.
As depicted in figs. 1 and 2, traditional self-capacitance In cell type is touch panel structure provided is at thin film transistor (TFT) glass
Array (Array) the side deposition layer of metal layer of plate (TPT glass) is as the cabling of transmission touching signals.To effectively show
(AA) in district, bottom tin indium oxide (B-ITO) is divided into several single zonules.Each zonule is as a touch-control list
Unit (Sensor pad), touch control unit separated.The metal level of bottom is conducting to by via (VIA) touch-control on upper strata again
On unit (Sensor pad).Each metal routing controls a touch control unit.When panel is in the display stage, metal is walked
Line transmission common electric voltage (Com) current potential is to bottom tin indium oxide, when panel is in the touch-control stage, and metal level transmission touching signals
To the touch control unit that each is independent.But in this structure, add a layer insulating (PV) in array side more, thus increase
Distance between pixel electrode and common electric voltage electrode.There is between metal routing and bottom tin indium oxide passivation layer (TP-
IL), the distance between bottom tin indium oxide (B-ITO) and top layer tin indium oxide (T-ITO) is added.This arrangement reduces picture
The storage capacitors of element, especially when PPI (number of pixels that per inch is had) is the highest, storage electric capacity is the least, reduces face
The display capabilities of plate.
Summary of the invention
Storage electric capacity for the middle In cell type contact panel of above-mentioned prior art is little, reduces the display energy of panel
The problem of power, the present invention proposes a kind of In-cell type contact panel and manufacture method thereof.
A kind of In-cell type contact panel of the present invention, including:
In the side of colored filter for transmitting the routing layer of signal, routing layer includes many cablings.
Insulating barrier on described routing layer, described insulating barrier includes multiple via.
Black-matrix layer on described insulating barrier, described black-matrix layer is divided into multiple independent black matrix" touch-control
Unit, described many cablings are corresponding with the plurality of independent black matrix" touch control unit, and multiple vias are independent black with multiple
Colour moment battle array touch control unit is corresponding.
Turned on corresponding cabling by corresponding via black matrix" touch control unit.
Preferably, it also includes the bell glass for encapsulation, and described bell glass is fixed on described black by optical cement
In matrix layer.
Preferably, the gap between multiple independent black matrix" touch control units is provided with light-shielding structure.
Preferably, use gate line (Gate line) to block the gap being parallel to scan-line direction, use source/drain line
Block the gap being parallel to data wire (Data line) direction.
Preferably, the black-matrix layer of colored filter effective display area is divided into multiple independent with pixel for unit
Black matrix" touch control unit.
By the gap between black matrix" touch control unit is blocked, it is possible to be prevented effectively from effective display area light leak.
Black-matrix layer uses metal procedure.
The manufacture method of a kind of In-cell type contact panel of the present invention, comprises the following steps:
Form the routing layer for transmitting signal in the side of colored filter, routing layer includes many cablings.
Forming insulating barrier on described routing layer, described insulating barrier includes multiple via.
Described insulating barrier forms black-matrix layer so that black-matrix layer is divided into multiple independent black matrix" and touches
Control unit, described many cablings are corresponding with the plurality of independent black matrix" touch control unit, and multiple vias are with multiple independent
Black matrix" touch control unit is corresponding, is turned on corresponding cabling by corresponding via black matrix" touch control unit.
Preferably, it is additionally included in black-matrix layer formation optical cement layer, is formed and be used for encapsulating in optical cement layer
Bell glass.
Preferably, the gap between multiple independent black matrix" touch control units forms light-shielding structure.
Preferably, use gate line to block the gap being parallel to scan-line direction, use source/drain line to block and be parallel to
The gap in data wire direction.
Preferably, the black-matrix layer of colored filter effective display area is divided into multiple independent with pixel for unit
Black matrix" touch control unit.
The In-cell type contact panel of the present invention, routing layer, insulating barrier and black-matrix layer are on colored filter.This
Plant structure and there is no passivation layer (TP-IL) in array (Array) side of thin film transistor base plate (TPT glass).The present invention is effective
The distance reduced between pixel electrode and common electric voltage electrode, increase the storage electric capacity of pixel, decrease array simultaneously
The processing procedure of side, is conducive to promoting the yield of array.
The manufacture method of the In-cell type contact panel of the present invention, on colored filter deposit routing layer, insulating barrier and
Black-matrix layer.The present invention does not has passivation layer (TP-in array (Array) side of thin film transistor (TFT) glass plate (TPT glass)
IL), effectively reduce the distance between pixel electrode and common electric voltage electrode, increase the storage electric capacity of pixel, promote face
The display effect of plate, decreases the processing procedure of array side, is conducive to promoting the yield of array.
Above-mentioned technical characteristic can combine in any suitable manner or be substituted, as long as can reach by the technical characteristic of equivalence
To the purpose of the present invention.
In order to be able to be further understood that inventive feature and technology contents, refer to below in connection with the present invention is detailed
Illustrate and accompanying drawing, but accompanying drawing only provides reference and explanation use, be not used for the present invention is any limitation as.
Accompanying drawing explanation
Hereinafter the present invention will be described in more detail, wherein based on embodiment reference accompanying drawing:
Fig. 1 shows the structural representation of traditional self-capacitance In cell type contact panel of prior art；
A1 is bottom tin indium oxide, and A2 is via, and A3 is effective display area, A4 be colored filter (CF), A5 be thin film
Transistor (TFT), A6 be integrated circuit (IC), A7 be flexible PCB (FPC)；
Fig. 2 shows the cross-sectional view of traditional self-capacitance In cell type touch base plate of prior art；
4 is black-matrix layer (BM), and 7 is the support column (PS) between colored filter and thin film transistor (TFT) glass plate, and A8 is
Top layer tin indium oxide, A9 is storage electric capacity, and A10 is an insulating barrier (PV), and A11 is the first metal layer, and A12 is passivation layer (TP-
IL), A13 be flatness layer (PLN), A14 be source electrode, A15 for drain electrode, A16 is the second insulating barrier (ILD), and A17 is the second metal level
(GE), A18 is the 3rd insulating barrier (GI), A19 be low temperature polycrystalline silicon (LTPS), A20 be cushion (Buffer), A21 be shading
Metal level, A22 is glass substrate；
Fig. 3 shows the black-matrix layer of embodiment one structural representation on colored filter；
Fig. 4 shows the structural representation of the black matrix" touch control unit of embodiment one；
Fig. 5 shows the structural representation of a kind of In-cell type contact panel of embodiment one；
Fig. 6 shows the cross-sectional view of a kind of In-cell type contact panel of embodiment one；
8 is thin film transistor (TFT) glass；
Fig. 7 shows the horizontal Timing driver signal graph of embodiment one.
In the accompanying drawings, identical parts use identical reference.Accompanying drawing is not according to actual ratio.
Detailed description of the invention
Below in conjunction with the accompanying drawing in embodiment of the present invention, the technical scheme in embodiment of the present invention is purged
It is fully described by.Obviously, described embodiment is a part of embodiment of the present invention rather than whole embodiment.
Based on the embodiment in the present invention, those of ordinary skill in the art are obtained on the premise of not making creative work
Every other embodiment, all should belong to the scope of protection of the invention.
The technical problem to be solved is to solve the big visual angle color existing for existing display panels
Phenomenon partially.For solving the problems referred to above, the detailed description below that provides of the present invention is described in detail.
Embodiment one
The present embodiment is explained below in conjunction with Fig. 3 to Fig. 7.
A kind of In-cell type contact panel in present embodiment, including:
In the side of colored filter 1 for transmitting the routing layer 2 of signal, routing layer 2 includes many cablings；
Insulating barrier 3 on routing layer 2, insulating barrier 3 includes multiple via 3a；
Black-matrix layer 4 on the insulating layer 3, black-matrix layer 4 is divided into multiple independent black matrix" touch control unit.
As it is shown on figure 3, black-matrix layer 4 is distributed the effective display area with colored filter and periphery, by the black of periphery
The black-matrix layer segmentation of matrix layer and effective display area, and by the black-matrix layer 4 of colored filter 1 effective display area with picture
Element is divided into multiple independent black matrix" touch control unit for unit.
Many cablings are corresponding with multiple independent black matrix" touch control units, multiple via 3a and multiple independent black squares
Battle array touch control unit is corresponding.
Turned on corresponding cabling by corresponding via 3a black matrix" touch control unit.
Based on above-mentioned detailed description of the invention, concrete:
It also includes that the bell glass 5 for encapsulation, bell glass 5 are fixed in black-matrix layer 4 by optical cement 6.
As shown in Figure 4, the gap between multiple independent black matrix" touch control units is provided with light-shielding structure.
Use gate line to block the gap being parallel to scan-line direction, use source/drain line to block and be parallel to data wire direction
Gap.In Fig. 4,9 is source/drain line, and 10 is gate line.
The black-matrix layer 4 of colored filter 1 effective display area is divided into multiple independent black square with pixel for unit
Battle array touch control unit.
In Fig. 5, the black-matrix layer in dotted line frame is a black matrix" touch control unit, between black matrix" touch control unit
Separate, a cabling and a black matrix" touch control unit are turned on by via, colored filter 1 effective display area black
Colour moment battle array touch cell array formula is arranged.
In Fig. 6,6 is color blocking layer, and color blocking layer is at the opposite side of colored filter.
Fig. 7 is horizontal Timing driver signal graph.
When the last item Gate of control panel closes the 1st article of Gate write of next cycle, there is a sudden strain of a muscle
The bright time (Blinking Time).In this section of sequential, black-matrix layer is inputted the transmission electrode signal of high potential.Will one
Individual horizontal cycle is divided into touch-control time (Touch Time) and pixel write time (Pixel Write Time).Write in pixel
Time period, the normal input signal of all pixels, now the cabling transmission GND signal of black-matrix layer, as shielded signal.Touching
In the control time period, the touch control electrode signal of the cabling write high frequency of black-matrix layer.
Present embodiment deposits color blocking layer 6 at the opposite side of colored filter, deposits cabling in the side of colored filter
Layer 2, as the cabling of transmission touching signals, a redeposited layer insulating (TP-IL), deposits the black of layer of metal on the insulating layer
Color matrix layer.Turned on cabling by via black-matrix layer.Employing bell glass is packaged.
Touch control unit is arranged on thin film transistor (TFT) glass plate by prior art, in thin film transistor (TFT) glass plate array side
Add a layer insulating more.Thus increase the distance between pixel electrode and common electric voltage electrode, metal routing and bottom
Having passivation layer between tin indium oxide, add the distance between bottom tin indium oxide and top layer tin indium oxide, this structure subtracts
The little storage capacitors of pixel.And in present embodiment, the side deviating from color blocking layer at colored filter arranges touch control unit, solve
The problem that storage capacitors of having determined is little.Present embodiment effectively reduces the thickness between pixel electrode and Com electrode, increases
The storage electric capacity of pixel, improves the display capabilities of panel.
Embodiment two
The manufacture method of a kind of In-cell type contact panel in present embodiment, comprises the following steps:
Form the routing layer 2 for transmitting signal in the side of colored filter 1, routing layer 2 includes many cablings；
Forming insulating barrier 3 on routing layer 2, insulating barrier 3 includes multiple via 3a.
Form black-matrix layer 4 on the insulating layer 3 so that black-matrix layer 4 is divided into multiple independent black matrix" and touches
Control unit, many cablings are corresponding with multiple independent black matrix" touch control units, multiple via 3a and multiple independent black squares
Battle array touch control unit is corresponding, is turned on corresponding cabling by corresponding via 3a black matrix" touch control unit.
Based on above-mentioned detailed description of the invention, concrete:
It is additionally included in black-matrix layer 4 formation optical cement layer, is formed and be used for encapsulating such as black in optical cement layer
The bell glass 5 of matrix layer.
Gap between multiple independent black matrix" touch control units forms light-shielding structure.
Use gate line to block the gap being parallel to scan-line direction, use source/drain line to block and be parallel to data wire direction
Gap.
The black-matrix layer 4 of colored filter 1 effective display area is divided into multiple independent black square with pixel for unit
Battle array touch control unit.
Touch control unit is formed on thin film transistor (TFT) glass plate by prior art, in thin film transistor (TFT) glass plate array side
Add a layer insulating more, thus increase the distance between pixel electrode and common electric voltage electrode, metal routing and bottom
There is between tin indium oxide passivation layer, add the distance between bottom tin indium oxide and top layer tin indium oxide, reduce pixel
Storage capacitors.And in present embodiment, form touch control unit in the side of colored filter, solve little the asking of storage capacitors
Topic.Present embodiment without TP-IL insulating barrier, effectively reduces pixel electrode and Com electrode on thin film transistor (TFT) glass plate
Between thickness, increase the storage electric capacity of pixel, improve the display capabilities of panel.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of the spirit or essential attributes of the present invention, it is possible to realize the present invention in other specific forms.Therefore, no matter
From the point of view of which point, all should regard embodiment as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all by fall in the implication of equivalency and scope of claim
Change is included in the present invention.
Although herein with reference to specific embodiment, the present invention is described it should be understood that, these are real
Execute the example that example is only principles and applications.It should therefore be understood that exemplary embodiment can be carried out
Many amendments, and can be designed that other layout, without departing from the spirit of the present invention that claims are limited
And scope.It should be understood that and can combine different appurtenances by being different from original claim manner described
Profit requires and feature specifically described herein.Will also be appreciated that combining the feature described by independent embodiment can use
In other described embodiments.
Claims (10)
1. an In-cell type contact panel, it is characterised in that including:
In the side of colored filter (1) for transmitting the routing layer (2) of signal, described routing layer (2) includes many cablings；
Insulating barrier (3) on described routing layer (2), described insulating barrier (3) includes multiple via (3a)；
Black-matrix layer (4) on described insulating barrier (3), described black-matrix layer (4) is divided into multiple independent black square
Battle array touch control unit, described many cablings are corresponding with the plurality of independent black matrix" touch control unit, the plurality of via (3a)
Corresponding with the plurality of independent black matrix" touch control unit；
Turned on corresponding cabling by corresponding via (3a) black matrix" touch control unit.
2. In-cell type contact panel as claimed in claim 1, it is characterised in that also include the bell glass for encapsulation
(5), described bell glass (5) is fixed in described black-matrix layer (4) by optical cement (6).
3. In-cell type contact panel as claimed in claim 1 or 2, it is characterised in that the plurality of independent black matrix"
Gap between touch control unit is provided with light-shielding structure.
4. In-cell type contact panel as claimed in claim 3, it is characterised in that use gate line to block and be parallel to scanning
The gap in line direction, uses source/drain line to block the gap being parallel to data wire direction.
5. In-cell type contact panel as claimed in claim 1 or 2, it is characterised in that described colored filter (1) is effective
The described black-matrix layer (4) of viewing area is divided into multiple independent black matrix" touch control unit with pixel for unit.
6. the manufacture method of an In-cell type contact panel, it is characterised in that comprise the following steps:
Form the routing layer (2) for transmitting signal in the side of colored filter (1), described routing layer (2) includes that many are walked
Line；
Forming insulating barrier (3) on described routing layer (2), described insulating barrier (3) includes multiple via (3a)；
Described insulating barrier (3) forms black-matrix layer (4) so that described black-matrix layer (4) is divided into multiple independent
Black matrix" touch control unit, described many cablings are corresponding with the plurality of independent black matrix" touch control unit, the plurality of mistake
Hole (3a) is corresponding with the plurality of independent black matrix" touch control unit, by corresponding via (3a) black matrix" touch control unit
With corresponding cabling conducting.
7. the manufacture method of In-cell type contact panel as claimed in claim 6, it is characterised in that be additionally included in described black
Color matrix layer forms optical cement layer on (4), forms the bell glass (5) for encapsulation in described optical cement layer.
The manufacture method of In-cell type contact panel the most as claimed in claims 6 or 7, it is characterised in that the plurality of solely
The vertical gap between black matrix" touch control unit forms light-shielding structure.
9. the manufacture method of In-cell type contact panel as claimed in claim 8, it is characterised in that use gate line to block
It is parallel to the gap of scan-line direction, uses source/drain line to block the gap being parallel to data wire direction.
In-cell type contact panel the most as claimed in claims 6 or 7 manufacture method, it is characterised in that described colour
The described black-matrix layer (4) of optical filter (1) effective display area is divided into multiple independent black matrix" with pixel for unit and touches
Control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610883397.2A CN106293256B (en) | 2016-10-10 | 2016-10-10 | In-cell type touch panel and its manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610883397.2A CN106293256B (en) | 2016-10-10 | 2016-10-10 | In-cell type touch panel and its manufacturing method |
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| Publication Number | Publication Date |
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| CN106293256A true CN106293256A (en) | 2017-01-04 |
| CN106293256B CN106293256B (en) | 2019-04-26 |
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| CN201610883397.2A Active CN106293256B (en) | 2016-10-10 | 2016-10-10 | In-cell type touch panel and its manufacturing method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108958557A (en) * | 2017-05-26 | 2018-12-07 | 联咏科技股份有限公司 | Display device and its manufacturing method |
| CN110989859A (en) * | 2019-11-19 | 2020-04-10 | 武汉华星光电半导体显示技术有限公司 | Touch panel and manufacturing method thereof |
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| CN101819344A (en) * | 2010-05-20 | 2010-09-01 | 友达光电股份有限公司 | Colored light-filtering touch base plate |
| TW201331669A (en) * | 2012-01-20 | 2013-08-01 | Innocom Tech Shenzhen Co Ltd | In-cell touch panel display |
| US20140168541A1 (en) * | 2012-12-14 | 2014-06-19 | Shanghai Tianma Micro-electronics Co., Ltd. | Color filter substrate for in-cell touch panel and manufacturing method thereof |
| TW201541306A (en) * | 2014-04-29 | 2015-11-01 | Acer Inc | Method of producing in-cell touch panel and in-cell touch panel thereof |
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2016
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|---|---|---|---|---|
| CN101819344A (en) * | 2010-05-20 | 2010-09-01 | 友达光电股份有限公司 | Colored light-filtering touch base plate |
| TW201331669A (en) * | 2012-01-20 | 2013-08-01 | Innocom Tech Shenzhen Co Ltd | In-cell touch panel display |
| US20140168541A1 (en) * | 2012-12-14 | 2014-06-19 | Shanghai Tianma Micro-electronics Co., Ltd. | Color filter substrate for in-cell touch panel and manufacturing method thereof |
| TW201541306A (en) * | 2014-04-29 | 2015-11-01 | Acer Inc | Method of producing in-cell touch panel and in-cell touch panel thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108958557A (en) * | 2017-05-26 | 2018-12-07 | 联咏科技股份有限公司 | Display device and its manufacturing method |
| CN110989859A (en) * | 2019-11-19 | 2020-04-10 | 武汉华星光电半导体显示技术有限公司 | Touch panel and manufacturing method thereof |
| CN110989859B (en) * | 2019-11-19 | 2023-08-22 | 武汉华星光电半导体显示技术有限公司 | Touch panel and manufacturing method thereof |
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| Publication number | Publication date |
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| CN106293256B (en) | 2019-04-26 |
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