CN106526926B - Multilayer circuit structure - Google Patents
Multilayer circuit structure Download PDFInfo
- Publication number
- CN106526926B CN106526926B CN201611185392.9A CN201611185392A CN106526926B CN 106526926 B CN106526926 B CN 106526926B CN 201611185392 A CN201611185392 A CN 201611185392A CN 106526926 B CN106526926 B CN 106526926B
- Authority
- CN
- China
- Prior art keywords
- flexible base
- base board
- circuit structure
- multilayer circuit
- circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 26
- 239000000758 substrate Substances 0.000 claims abstract description 23
- 238000009413 insulation Methods 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 6
- -1 polyethylene terephthalate Polymers 0.000 claims description 4
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 4
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 4
- 239000004695 Polyether sulfone Substances 0.000 claims description 3
- 229920006393 polyether sulfone Polymers 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 238000003486 chemical etching Methods 0.000 claims description 2
- 229920001577 copolymer Polymers 0.000 claims description 2
- 125000004122 cyclic group Chemical group 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 239000004952 Polyamide Substances 0.000 claims 1
- 230000005611 electricity Effects 0.000 claims 1
- 239000003292 glue Substances 0.000 claims 1
- 229920002647 polyamide Polymers 0.000 claims 1
- 230000003247 decreasing effect Effects 0.000 abstract description 3
- 239000004642 Polyimide Substances 0.000 description 3
- 239000004820 Pressure-sensitive adhesive Substances 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 229920001721 polyimide Polymers 0.000 description 3
- 229920000089 Cyclic olefin copolymer Polymers 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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
- G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0286—Programmable, customizable or modifiable circuits
- H05K1/0295—Programmable, customizable or modifiable circuits adapted for choosing between different types or different locations of mounted components
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/11—Printed elements for providing electric connections to or between printed circuits
- H05K1/118—Printed elements for providing electric connections to or between printed circuits specially for flexible printed circuits, e.g. using folded portions
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Nonlinear Science (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
Abstract
The present invention provides a kind of multilayer circuit structure, by making circuit layer respectively in the front and back of multiple flexible base boards, the circuit layer for being located at the front and back of each flexible base board is connected together by being punched on each flexible base board again, then each flexible base board is fitted to together by insulation bonding layer, it is electrically connected the circuit layer being located on the opposite two sides of two adjacent flexible base boards, finally the circuit layer on multiple flexible base boards is grouped together, form the multilayer circuit structure for being located at the edge non-display area of LCD (Liquid Crystal Display) array substrate, on the same surface compared to the edge non-display area that circuit layer is all set to LCD (Liquid Crystal Display) array substrate, the width of the non-display area of liquid crystal display can be greatly decreased, realize that ultra-narrow frame or Rimless are shown.
Description
Technical field
The present invention relates to field of display technology more particularly to a kind of multilayer circuit structures.
Background technique
With the development of display technology, liquid crystal display (Liquid Crystal Display, LCD) and organic light emission two
The flat display apparatus such as pole pipe display device (Organic Light Emitting Display, OLED) because have high image quality,
The advantages that power saving, fuselage are thin and have a wide range of application, and it is widely used in mobile phone, TV, personal digital assistant, digital phase
The various consumer electrical products such as machine, laptop, desktop computer, become the mainstream in display device.
Referring to Fig. 1, existing liquid crystal display generally includes: display panel 100 is electrically connected at the display panel
The source driving chip 200 of 100 upsides, the grid drive chip 400 for being electrically connected at 100 left and right sides of display panel,
And the drive circuit board 300 being electrically connected with the source driving chip 200 and grid drive chip 400, it is described aobvious
Show that panel 100 includes viewing area 101 and the non-display area 102 for surrounding the viewing area 101, is equipped in the viewing area 101
The horizontal grid line of a plurality of parallel interval arrangement and the vertical source electrode line of a plurality of parallel interval arrangement, the non-display area
102 are equipped with the array substrate cabling (Wire On Array, WOA) 500 of a plurality of fan-shaped array, will by the WOA cabling 500
The a plurality of grid line is connected to the grid drive chip 400, and a plurality of source electrode line is connected to source driving chip
200；In addition, with the development of display technology, in the prior art, array substrate horizontal drive circuit (Gate can also be used
Driver on Array, GOA) replace grid drive chip, GOA circuit is directly produced on the non-aobvious of display panel at this time
Show in area and be connected directly to grid line, but WOA cabling 500 can not also save at this time, needs to use WOA cabling 500 by the drive
Dynamic circuit board 300 and GOA circuit is electrically connected to together.
With the development of display, ultra-narrow frame or Rimless become a kind of trend gradually, no matter LCD or OLED,
Narrow frame or Rimless, which are shown, can bring better appearance to experience, however, the non-display area due to display panel exists
The WOA cabling that can not be saved causes the viewing area of display panel to increase to the distance at edge, so that Rimless or ultra-narrow frame
Realization become difficult.In particular, when the resolution ratio of display panel from high definition rise to ultra high-definition or it is higher when, need more
Region is used to place WOA cabling, causes frame region constriction more difficult.It further, can also be when using GOA technology
GOA circuit is made in array substrate, the series of GOA circuit can be improved with the raising of panel resolution, so that GOA is electric
The layout area that road occupies is also increasing, and the layout area that GOA circuit and WOA cabling occupy is excessive, will lead to display surface
The non-display area width of plate is excessive, is unfavorable for realizing that ultra-narrow frame or Rimless are shown.
Summary of the invention
The purpose of the present invention is to provide a kind of multilayer circuit structures, can reduce the width of the non-display area of liquid crystal display
Degree realizes that ultra-narrow frame or Rimless are shown.
To achieve the above object, the present invention provides a kind of multilayer circuit structure, which is located at liquid crystal
Show the edge non-display area of device array substrate, comprising: the flexible base board of multilayer laminated setting, the front of each layer of flexible base board with
The back side is equipped with circuit layer, and the circuit layer positioned at the positive circuit layer of the same flexible base board and the back side is by being set to the flexibility
The via hole of substrate is electrically connected, and two circuit layers on the two sides opposite positioned at two adjacent flexible base boards are electrically connected.
It is equipped with insulation bonding layer between two adjacent flexible base boards, is engaged two flexible base boards by the insulation bonding layer
To together.
The material of the insulation bonding layer is pressure sensitive adhesive.
Two circuit layers on the two sides opposite positioned at two adjacent flexible base boards have overlapping region, by making two circuit layers
Overlapping region fit to the electric connection for realizing two circuit layers together.
The material of the flexible base board is polyimides, polyethylene terephthalate, cyclic olefine copolymer or gathers
Ether sulfone resin.
The flexible base board with a thickness of 5 to 300 microns.
The WOA cabling of liquid crystal display is collectively formed positioned at the circuit layer of each flexible base board front and back.
The WOA cabling and GOA circuit of liquid crystal display are collectively formed positioned at the circuit layer of each flexible base board front and back.
The via hole is made by laser boring technique or chemical etching technology.
Beneficial effects of the present invention: the present invention provides a kind of multilayer circuit structure, by the front of multiple flexible base boards
Circuit layer is made respectively with the back side, then will be located at the front and back of each flexible base board by punching on each flexible base board
Circuit layer connect together, then each flexible base board fitted to together by insulation bonding layer, while making positioned at phase
Circuit layer on the opposite two sides of two adjacent flexible base boards is electrically connected, and is finally combined to the circuit layer on multiple flexible base boards
Together, the multilayer circuit structure for being located at the edge non-display area of LCD (Liquid Crystal Display) array substrate is formed, compared to by circuit
On the same surface for the edge non-display area that layer is all set to LCD (Liquid Crystal Display) array substrate, liquid crystal can be greatly decreased
Show the width of the non-display area of device, realizes that ultra-narrow frame or Rimless are shown.
Detailed description of the invention
For further understanding of the features and technical contents of the present invention, it please refers to below in connection with of the invention detailed
Illustrate and attached drawing, however, the drawings only provide reference and explanation, is not intended to limit the present invention.
In attached drawing,
Fig. 1 is the structural schematic diagram of existing liquid crystal display；
Fig. 2 is the schematic cross-sectional view of multilayer circuit structure of the invention；
Fig. 3 is the decomposition diagram of multilayer circuit structure of the invention.
Specific embodiment
Further to illustrate technological means and its effect adopted by the present invention, below in conjunction with preferred implementation of the invention
Example and its attached drawing are described in detail.
Referring to Fig. 2, the present invention provides a kind of multilayer circuit structure, which is located at LCD (Liquid Crystal Display) array
The edge non-display area of substrate, comprising: the front of the flexible base board 1 of multilayer laminated setting, each layer of flexible base board 1 is equal with the back side
Equipped with circuit layer 11, the circuit layer 11 positioned at the positive circuit layer 11 of the same flexible base board 1 and the back side is soft by being set to this
Property substrate 1 via hole 12 be electrically connected, two circuit layer 11 on the two sides opposite positioned at two adjacent flexible base boards 1 electrically connects
It connects.
Specifically, insulation bonding layer 2 is equipped between two adjacent flexible base boards 1, it is soft by two by the insulation bonding layer 2
Property substrate 1 be joined together, it is described insulation bonding layer 2 material be pressure sensitive adhesive (Pressure Sensitive Adhesive,
) or other insulating bonding materials PSA.
Specifically, referring to Fig. 3, two circuit layers 11 being located on the opposite two sides of two adjacent flexible base boards 1 have weight
Folded region (Over lap) 13 realizes the electrical property of two circuit layers 11 by fitting to the overlapping region 13 of two circuit layers 11 together
Connection.
Specifically, the material of the flexible base board 1 is polyimides (PI), polyethylene terephthalate (PET), ring
The relatively thin substrate of the materials such as olefin copolymer (COC) or polyethersulfone resin (PES), thickness range 5 between 300um with
Convenient for subsequent punch operation.
Specifically, since the present invention includes multiple flexible base boards 1 equipped with double-sided circuit structure, at this time in order to connect flexibility
The circuit on 1 two sides of substrate, it is often necessary to which multiple via holes 12 are set on a flexible substrate 1, therefore the present invention has been selected compared to existing
The flexible base board 1 that the thickness of glass substrate for having technology to generally use substantially reduces, so as to guarantee to produce in flexible base board 1
Satisfactory via hole 12 guarantees the feasibility of processing procedure, and the conduction of the conducting wire by via hole 12.Preferably, the mistake
Hole 12 can be made by techniques such as laser boring or chemical attacks.
Specifically, which is located at the edge non-display area of LCD (Liquid Crystal Display) array substrate, the non-display area
The viewing area of LCD (Liquid Crystal Display) array substrate is surrounded, is formed with multiple data lines and scan line, a plurality of data in viewing area
Line and multi-strip scanning line vertical interlaced mark off the display pixel of multiple array arrangements, wherein the circuit production of the viewing area
The front of the flexible base board 1 of top layer in the multilayer circuit structure, the multilayer circuit structure of the non-display area is for driving
Display pixel in viewing area is shown that in the first embodiment of the present invention, which uses external grid
Driving chip drives scan line to work, and the circuit layer 11 on each flexible base board collectively constituted the liquid crystal display
WOA cabling, each WOA cabling one data line of corresponding electric connection or a scan line, each WOA cabling connect from outside
It receives scanning signal or data-signal and accordingly passes to scan line or data line, to realize that picture is shown.
It is noted that the present disclosure applies equally to the liquid crystal display using GOA technology, each flexibility described at this time
Circuit layer 11 on substrate collectively constitutes the WOA cabling and GOA circuit of the liquid crystal display, and the GOA circuit includes and institute
Scan line multiple GOA units correspondingly are stated, each WOA cabling is corresponding to be electrically connected a data line or a GOA
Unit, the signal that each WOA cabling is received externally pass to GOA unit generation scanning signal and pass to scan line again
Or receive data-signal and pass to data line, to realize that picture is shown, external grid can be removed from using GOA technology and driven
Dynamic chip, to be further reduced the border width of display device.
In conclusion the present invention provides a kind of multilayer circuit structure, pass through the front and back point in multiple flexible base boards
Not Zhi Zuo circuit layer, then by each flexible base board punch will be located at each flexible base board front and back circuit layer
It connects together, is then fitted to each flexible base board together by insulation bonding layer, while making soft positioned at adjacent two
Property the opposite two sides of substrate on circuit layer be electrically connected, finally the circuit layer on multiple flexible base boards is grouped together, shape
It is located at the multilayer circuit structure of the edge non-display area of LCD (Liquid Crystal Display) array substrate at one, is all set compared to by circuit layer
It is placed on the same surface of the edge non-display area of LCD (Liquid Crystal Display) array substrate, the non-of liquid crystal display can be greatly decreased
The width of viewing area realizes that ultra-narrow frame or Rimless are shown.
The above for those of ordinary skill in the art can according to the technique and scheme of the present invention and technology
Other various corresponding changes and modifications are made in design, and all these change and modification all should belong to the claims in the present invention
Protection scope.
Claims (8)
1. a kind of multilayer circuit structure, which is characterized in that the multilayer circuit structure is located at the edge of LCD (Liquid Crystal Display) array substrate
Non-display area, comprising: the front of the flexible base board (1) of multilayer laminated setting, each layer of flexible base board (1) is equipped with electricity with the back side
Road floor (11), the circuit layer (11) for being located at the same flexible base board (1) positive circuit layer (11) and the back side should by being set to
The via hole (12) of flexible base board (1) is electrically connected, two circuit layers on the two sides opposite positioned at adjacent two flexible base boards (1)
(11) it is electrically connected；
Between adjacent two flexible base boards (1) be equipped with insulation bonding layer (2), by the insulation bonding layer (2) by two flexibility bases
Plate (1) is joined together.
2. multilayer circuit structure as described in claim 1, which is characterized in that the material of insulation bonding layer (2) is pressure-sensitive
Glue.
3. multilayer circuit structure as described in claim 1, which is characterized in that opposite positioned at adjacent two flexible base boards (1)
Two circuit layers (11) on two sides have overlapping region (13), by making the overlapping region (13) of two circuit layers (11) fit to one
Act the electric connection for realizing two circuit layers (11).
4. multilayer circuit structure as described in claim 1, which is characterized in that the material of the flexible base board (1) is that polyamides is sub-
Amine, polyethylene terephthalate, cyclic olefine copolymer or polyethersulfone resin.
5. multilayer circuit structure as described in claim 1, which is characterized in that the flexible base board (1) with a thickness of 5 to 300
Micron.
6. multilayer circuit structure as described in claim 1, which is characterized in that be located at each flexible base board (1) front and back
The WOA cabling of liquid crystal display is collectively formed in circuit layer (11).
7. multilayer circuit structure as described in claim 1, which is characterized in that be located at each flexible base board (1) front and back
The WOA cabling and GOA circuit of liquid crystal display is collectively formed in circuit layer (11).
8. multilayer circuit structure as described in claim 1, which is characterized in that the via hole (12) by laser boring technique,
Or chemical etching technology production.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611185392.9A CN106526926B (en) | 2016-12-20 | 2016-12-20 | Multilayer circuit structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611185392.9A CN106526926B (en) | 2016-12-20 | 2016-12-20 | Multilayer circuit structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106526926A CN106526926A (en) | 2017-03-22 |
| CN106526926B true CN106526926B (en) | 2019-05-31 |
Family
ID=58341230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611185392.9A Active CN106526926B (en) | 2016-12-20 | 2016-12-20 | Multilayer circuit structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106526926B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111223439A (en) * | 2020-03-12 | 2020-06-02 | 深圳市华星光电半导体显示技术有限公司 | GOA circuit applied to array substrate, array substrate and manufacturing method of GOA circuit |
| CN119045257B (en) * | 2024-10-29 | 2025-03-14 | 惠科股份有限公司 | Array substrate and preparation method thereof and flexible electronic paper display panel |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6128063A (en) * | 1992-09-08 | 2000-10-03 | Seiko Epson Corporation | Liquid crystal display apparatus having multi-layer substrate |
| CN1532594A (en) * | 2003-03-21 | 2004-09-29 | 友达光电股份有限公司 | LCD panel |
| CN1904682A (en) * | 2005-07-29 | 2007-01-31 | 财团法人工业技术研究院 | Flexible reflective display device and manufacturing method thereof |
| CN102540542A (en) * | 2010-12-31 | 2012-07-04 | 京东方科技集团股份有限公司 | Polymer dispersed liquid crystal film and manufacturing method thereof |
| CN204929393U (en) * | 2015-09-17 | 2015-12-30 | 东莞翔国光电科技有限公司 | A multilayer composite liquid crystal circuit board |
-
2016
- 2016-12-20 CN CN201611185392.9A patent/CN106526926B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6128063A (en) * | 1992-09-08 | 2000-10-03 | Seiko Epson Corporation | Liquid crystal display apparatus having multi-layer substrate |
| CN1532594A (en) * | 2003-03-21 | 2004-09-29 | 友达光电股份有限公司 | LCD panel |
| CN1904682A (en) * | 2005-07-29 | 2007-01-31 | 财团法人工业技术研究院 | Flexible reflective display device and manufacturing method thereof |
| CN102540542A (en) * | 2010-12-31 | 2012-07-04 | 京东方科技集团股份有限公司 | Polymer dispersed liquid crystal film and manufacturing method thereof |
| CN204929393U (en) * | 2015-09-17 | 2015-12-30 | 东莞翔国光电科技有限公司 | A multilayer composite liquid crystal circuit board |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106526926A (en) | 2017-03-22 |
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Address after: 9-2 Tangming Avenue, Guangming New District, Shenzhen City, Guangdong Province Patentee after: TCL China Star Optoelectronics Technology Co.,Ltd. Address before: 9-2 Tangming Avenue, Guangming New District, Shenzhen City, Guangdong Province Patentee before: Shenzhen China Star Optoelectronics Technology Co.,Ltd. |
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