CN107422553A - A kind of array base palte and display panel - Google Patents
A kind of array base palte and display panel Download PDFInfo
- Publication number
- CN107422553A CN107422553A CN201710793254.7A CN201710793254A CN107422553A CN 107422553 A CN107422553 A CN 107422553A CN 201710793254 A CN201710793254 A CN 201710793254A CN 107422553 A CN107422553 A CN 107422553A
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- Prior art keywords
- area
- array base
- base palte
- substrate
- pad
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- 239000000758 substrate Substances 0.000 claims abstract description 45
- 239000012528 membrane Substances 0.000 claims description 6
- 239000011159 matrix material Substances 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 239000004973 liquid crystal related substance Substances 0.000 claims description 2
- 238000005452 bending Methods 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- SXHLTVKPNQVZGL-UHFFFAOYSA-N 1,2-dichloro-3-(3-chlorophenyl)benzene Chemical compound ClC1=CC=CC(C=2C(=C(Cl)C=CC=2)Cl)=C1 SXHLTVKPNQVZGL-UHFFFAOYSA-N 0.000 description 11
- 239000010408 film Substances 0.000 description 4
- 239000004020 conductor Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 241000826860 Trapezium Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000019491 signal transduction Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000004804 winding Methods 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
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1345—Conductors connecting electrodes to cell terminals
- G02F1/13458—Terminal pads
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (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)
- Liquid Crystal (AREA)
Abstract
The invention discloses a kind of array base palte and display panel, the array base palte includes：Substrate, the pad for being relatively fixed to the surface non-display area of substrate one, pad include the firstth area and the secondth area, and the thickness in the firstth area is less than the thickness in the secondth area, and the secondth area is used to connect flexible PCB；Wherein, the firstth area is than the secondth area closer to the viewing area of substrate, and flexible PCB is relatively fixed to the surface of the secondth area one, and the surface of the secondth area one is perpendicular to the surface of substrate one.By the above-mentioned means, the present invention can reduce the width of non-display area, narrow frame design is advantageously implemented.
Description
Technical field
The present invention relates to display technology field, more particularly to a kind of array base palte and display panel.
Background technology
Display has the viewing area formed by display pixel array and the non-display area around viewing area.It is non-aobvious
Show that region includes signal wire, drive circuit and bond pad etc. and supports circuit, but do not include being used for the valid pixel for generating image.
In the prior art, in the non-display area, the flexible PCB for carrying driving chip is generally disposed directly on bond pad, shape
Into outside lead engaging zones, therefore, display is unfavorable for realizing narrow frame design due to outside lead engaging zones be present.
The content of the invention
The present invention solves the technical problem of a kind of array base palte and display panel is provided, prior art can solve the problem that
The problem of middle display is unfavorable for realizing narrow frame design.
In order to solve the above technical problems, one aspect of the present invention is：A kind of array base palte is provided, including：
Substrate, the pad for being relatively fixed to the surface non-display area of substrate one, pad include the firstth area and the secondth area, the thickness in the firstth area
Less than the thickness in the secondth area, the secondth area is used to connect flexible PCB；Wherein, display of firstth area than the secondth area closer to substrate
Region, flexible PCB are relatively fixed to the surface of the secondth area one, and the surface of the secondth area one is perpendicular to the surface of substrate one.
In order to solve the above technical problems, another technical solution used in the present invention is：A kind of display panel is provided, including
Array base palte as described above.
The beneficial effects of the invention are as follows：It is different from the situation of prior art, the array base palte in the embodiment of the present invention includes：
Substrate, the pad for being relatively fixed to the surface non-display area of substrate one, the pad include the firstth area and the secondth area, the thickness in the firstth area
Less than the thickness in the secondth area, the secondth area is used to connect flexible PCB degree；Wherein, the firstth area than the secondth area closer to the aobvious of substrate
Show region, flexible PCB is relatively fixed to the surface of the secondth area one, and the surface of the secondth area one is perpendicular to the surface of substrate one, due to second
The thickness in area is larger, can strengthen flexible PCB and the bonding strength and electrical efficiency on the surface of the secondth area one, and due to
The surface of 2nd area one is arranged at array base palte side perpendicular to the surface of substrate one, flexible PCB, so as to save outside lead engagement
Region, the width of non-display area is reduced, is advantageously implemented narrow frame design.
Brief description of the drawings
Fig. 1 is the structural representation of array base palte first embodiment of the present invention；
Fig. 2 is the structural representation of array base palte second embodiment of the present invention；
Fig. 3 is the structural representation of array base palte 3rd embodiment of the present invention；
Fig. 4 is the structural representation of array base palte fourth embodiment of the present invention；
Fig. 5 is the non-linear knot for being continuously incremented by the first scheme in the area of pad the 3rd in array base palte fourth embodiment of the present invention
Structure schematic diagram；
Fig. 6 is the non-linear continuous knot for being incremented by second scheme in the area of pad the 3rd in array base palte fourth embodiment of the present invention
Structure schematic diagram；
Fig. 7 is the structural representation of the embodiment of array base palte the 5th of the present invention；
Fig. 8 is the structural representation of the embodiment of display panel one of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only the part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
As shown in figure 1, array base palte first embodiment of the present invention includes：
Substrate 10, the pad 102 for being relatively fixed to the non-display area of 10 1 surface of substrate 101, pad 102 include first
Area 1022 of area 1021 and second, the thickness T1 in the first area 1021 are less than the thickness T2 in the second area 1022, and the second area 1022 is used to connect
Connect flexible PCB 20；Wherein, area 1022 of the firstth area 1021 to the second is closer to the viewing area of substrate 10.
Specifically, substrate 10 is array base palte, and the array base palte prepares the thin film transistor (TFT) (Thin for having array arrangement
Film Transistor, abbreviation TFT) array layer, the substrate 10 can be glass substrate or flexible base board, and pad 102 is relative
The non-display area on the surface 101 of substrate 10 1 is fixed on, pad 102 includes the first area 1021 and the second area 1022, its thickness point
Not Wei T1 and T2, wherein the secondth area be used for connect flexible PCB 20 (Chip on Film, abbreviation COF), the flexible PCB
20 be the flexible winding displacement for being used to connect external drive circuit (such as driving chip) and TFT circuit, is provided with chip 30, should
Chip 30 can be the driving chip for driving TFT circuit.It is responsible for driving caused by external drive circuit in the first area 1021
For signal transduction to the TFT circuit array inside substrate 10, it is less demanding to conductor thickness；And the second area 1022 be responsible for connection and
Fixing flexible circuit board 20, in order to increase the second area 1022 and the electrical efficiency and structure bonding strength of flexible PCB 20, its
Higher is required to conductor thickness, therefore, the thickness T2 in the second area 1022 is more than the thickness T1 in the first area 1021, such as the firstth area
1021 thickness T1 is 200nm~500nm, and the thickness T2 of the secondth area 1022 is 2000nm~4000nm.Certainly, in other embodiment
In, T1 and T2 value can be not specifically limited herein depending on the actual conditions such as TFT material difference.
In an application examples, as shown in figure 1, flexible PCB 20 is relatively fixed to the surface 10221 of the secondth area 1,022 1,
The surface 10221 of secondth area 1,022 1 is perpendicular to the surface 101 of substrate 10 1.Because the second area 1022 of pad 102 is with larger
Thickness, connected using the end face 10221 and flexible PCB 20 in the second area 1022, there is larger contact area, can carry out
Good electric connection, the input of outer signals is realized, and because the surface 10221 of the secondth area 1,022 1 is perpendicular to the table of substrate 10 1
Face 101, i.e. flexible PCB 20 are arranged at the side of array base palte 10, so as to save outside lead engaging zones, reduce non-
The width of viewing area, is advantageously implemented narrow frame design.
As shown in Fig. 2 the structure of array base palte second embodiment of the present invention and array base palte first embodiment of the present invention
Structure is similar, and here is omitted, and difference is, flexible PCB 20 and substrate 10 are along the surface 101 of vertical substrate 10 1
Projection on direction is not overlapping.
Specifically, as shown in Fig. 2 flexible PCB 20 and substrate 10 are along the throwing on the direction of 10 1 surface of vertical substrate 101
Shadow is respectively 401 and 402, wherein, view field 401 and 402 is not overlapping.
As shown in figure 3, the structure of array base palte 3rd embodiment of the present invention and array base palte second embodiment of the present invention
Structure is similar, and here is omitted, and difference is, flexible PCB 20 includes non-bent area 201 and bent area 202, non-
Bent area 201 is relatively fixed to the surface 10221 of the secondth area 1,022 1.
Specifically, as shown in figure 3, the non-bent area 201 of flexible PCB 20 is relatively fixed to the area 1022 of pad 102 second
One surface 10221, bent area 202 are bent towards another surface 103 of substrate 10, and circuit board or core are provided with the bent area 202
Piece 30, so as to reduce the thickness of display.
In other embodiments, the non-bent area of flexible PCB can also be referred in array base palte first embodiment of the present invention
The structure of flexible PCB, is not specifically limited herein.
As shown in figure 4, the structure of array base palte fourth embodiment of the present invention and array base palte second embodiment of the present invention
Structure is similar, and here is omitted, and difference is, pad 102 further comprises：3rd area 1023, the 3rd 1023, area
Between the first area 1021 and the second area 1022, the thickness in the 3rd area 1023 is incremented by close to the direction in the second area 1022, so that
The thickness for obtaining pad 102 is incremented by the direction away from viewing area.
Specifically, in an application examples, as shown in figure 4, the thickness in the area 1023 of pad 102 the 3rd is to close to the secondth area
1022 dimension linear is incremented by, such as the trapezium structure in figure.
Certainly, in other embodiments, as shown in Figure 5 or Figure 6, the thickness in the area 1023 of pad 102 the 3rd can also be to connecing
The direction in nearly secondth area 1022 is non-linear continuous incremental, or non-linear increasing (such as stepped incremental), does not do specific limit herein
It is fixed.
As shown in fig. 7, the structure of the embodiment of array base palte the 5th of the present invention and array base palte second embodiment of the present invention
Structure is similar, and here is omitted, and difference is, pad 102 is correspondingly arranged in the non-aobvious of the both sides of 10 1 surface of substrate 101
Show region, i.e. pad 102 is correspondingly arranged in two relative sides of substrate 10, so as to distinguish in the opposite sides of display
Drive circuit is set so that driving is more flexible.
Certainly, in other embodiments, the structure of pad can also be the pad of array base palte fourth embodiment of the present invention
Structure, it is not specifically limited herein.
As shown in figure 8, the embodiment 80 of display panel one of the present invention comprises at least：Array base palte 801, the array base palte 801
Structure may be referred to the structure of any embodiment of array base palte first to the 5th of the present invention, be not repeated herein.
Fig. 8 is further regarded to, the embodiment 80 of display panel one of the present invention further comprises：
The color membrane substrates 802 set relative to array base palte 801, and it is filled in array base palte 801 and color membrane substrates 802
Liquid crystal layer 803 between viewing area, the region of the corresponding pad 8011 of color membrane substrates 802 are provided with black matrix 804, and connection
The flexible PCB 805 of the pad 8011.
Wherein, flexible PCB 805 is used to connecting and fixing external drive circuit and pad 8011, and black matrix 804 is to inhale
Receive ambient light and scatter the light-absorbing black coating of the transmitting light of adjacent patterns, be mainly used in preventing light leak and increase color between picture element
Contrast, the material used at present is usually metal-oxide film or resin film.
Further, the embodiment 80 of display panel one of the present invention also includes：
The driving chip 806 being arranged on flexible PCB 805, pad 8011 is arranged at away from the table of array base palte 801 1
The encapsulated layer 807 in face 8012, and it is coated on the shading resin 808 at the edge of display panel 80.
Wherein, driving chip 806 is the chip for driving TFT circuit in array base palte 801, and encapsulated layer 807 is display panel
The sealing glue frame of 80 viewing areas periphery.
In the present embodiment, the pad of the array base palte non-display area of display panel, the pad includes the firstth area and second
Area, the thickness in the firstth area are less than the thickness in the secondth area, and the secondth area is used to connect flexible PCB；Wherein, the firstth area is than the secondth area
Close to the viewing area of substrate, flexible PCB is relatively fixed to the surface of the secondth area one, and the surface of the secondth area one is perpendicular to substrate one
Surface, because the thickness in the secondth area is larger, the bonding strength of flexible PCB and the surface of the secondth area one and conductive effect can be strengthened
Rate, and because the surface of the secondth area one perpendicular to the surface of substrate one, flexible PCB is arranged at array base palte side, so as to save
Outside lead engaging zones, the width of non-display area is reduced, is advantageously implemented narrow frame design.
Embodiments of the present invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this
The equivalent structure or equivalent flow conversion that description of the invention and accompanying drawing content are made, or directly or indirectly it is used in other correlations
Technical field, it is included within the scope of the present invention.
Claims (10)
- A kind of 1. array base palte, it is characterised in that including：Substrate, the pad for being relatively fixed to the surface non-display area of substrate one, the pad include the firstth area and the secondth area, The thickness in firstth area is less than the thickness in secondth area, and secondth area is used to connect flexible PCB；Wherein, firstth area is relatively more solid closer to the viewing area of the substrate, the flexible PCB than secondth area Due to the surface of the secondth area one, the surface of the secondth area one is perpendicular to the surface of substrate one.
- 2. array base palte according to claim 1, it is characterised in that the flexible PCB and the substrate are along vertical institute The projection stated in the surface direction of substrate one is not overlapping.
- 3. array base palte according to claim 1, it is characterised in that the flexible PCB includes non-bent area and bending Area, the non-bent area are relatively fixed to the surface of the secondth area one.
- 4. according to the array base palte described in claim any one of 1-3, it is characterised in that the pad further comprises：3rd Area, the 3rd area is between firstth area and secondth area, and the thickness in the 3rd area is to close to secondth area Direction be incremented by, to cause the thickness of the pad to be incremented by away from the direction of the viewing area.
- 5. according to the array base palte described in claim any one of 1-3, it is characterised in that the pad is correspondingly arranged in the base The non-display area of the surface both sides of plate one.
- 6. according to the array base palte described in claim any one of 1-3, it is characterised in that the thickness in firstth area is 200nm ~500nm.
- 7. according to the array base palte described in claim any one of 1-3, it is characterised in that the thickness in firstth area is 2000nm ~4000nm.
- 8. a kind of display panel, it is characterised in that including the array base palte as described in claim any one of 1-7.
- 9. display panel according to claim 8, it is characterised in that further comprise：The flexible PCB, relative to The color membrane substrates that the array base palte is set, and be filled between the array base palte and the color membrane substrates viewing area Liquid crystal layer, the region that the color membrane substrates correspond to the pad are provided with black matrix.
- 10. display panel according to claim 8, it is characterised in that further comprise：It is arranged at the flexible PCB On driving chip, be arranged at encapsulated layer of the pad away from the surface of array base palte one, and be coated on the display The shading resin of face plate edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710793254.7A CN107422553B (en) | 2017-09-05 | 2017-09-05 | Array substrate and display panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710793254.7A CN107422553B (en) | 2017-09-05 | 2017-09-05 | Array substrate and display panel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107422553A true CN107422553A (en) | 2017-12-01 |
| CN107422553B CN107422553B (en) | 2020-12-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710793254.7A Active CN107422553B (en) | 2017-09-05 | 2017-09-05 | Array substrate and display panel |
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| CN (1) | CN107422553B (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109782474A (en) * | 2018-01-29 | 2019-05-21 | 友达光电（昆山）有限公司 | A kind of display panel |
| CN110262701A (en) * | 2019-07-30 | 2019-09-20 | 昆山国显光电有限公司 | A kind of display panel and display device |
| CN110505756A (en) * | 2019-07-30 | 2019-11-26 | 武汉华星光电技术有限公司 | Flexible printed wiring board and display equipment |
| CN110568682A (en) * | 2019-08-08 | 2019-12-13 | 深圳市华星光电半导体显示技术有限公司 | Display panel and display device |
| CN110890393A (en) * | 2018-09-11 | 2020-03-17 | 启端光电股份有限公司 | Micro light emitting diode display panel |
| CN110911393A (en) * | 2019-11-29 | 2020-03-24 | 京东方科技集团股份有限公司 | Display driving board, preparation method thereof and display device |
| CN111083255A (en) * | 2019-11-29 | 2020-04-28 | 维沃移动通信有限公司 | Display module and electronic equipment |
| CN111352258A (en) * | 2020-04-28 | 2020-06-30 | 厦门天马微电子有限公司 | Liquid crystal display panel and display device |
| WO2020143268A1 (en) * | 2019-01-07 | 2020-07-16 | 京东方科技集团股份有限公司 | Display panel and preparation method therefor, and display device |
| CN112201155A (en) * | 2019-07-08 | 2021-01-08 | 瀚宇彩晶股份有限公司 | Display panel |
| CN113189819A (en) * | 2020-11-20 | 2021-07-30 | 友达光电股份有限公司 | Display device |
| CN113299852A (en) * | 2021-05-11 | 2021-08-24 | 深圳市华星光电半导体显示技术有限公司 | Display panel |
| CN114253038A (en) * | 2021-12-20 | 2022-03-29 | 武汉华星光电技术有限公司 | Display panel |
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| CN110568682B (en) * | 2019-08-08 | 2020-12-25 | 深圳市华星光电半导体显示技术有限公司 | Display panel and display device |
| CN110911393A (en) * | 2019-11-29 | 2020-03-24 | 京东方科技集团股份有限公司 | Display driving board, preparation method thereof and display device |
| US11276674B2 (en) | 2019-11-29 | 2022-03-15 | Beijing Boe Optoelectronics Technology Co., Ltd. | Driving substrate and manufacturing method thereof, and display device |
| CN111083255A (en) * | 2019-11-29 | 2020-04-28 | 维沃移动通信有限公司 | Display module and electronic equipment |
| CN111352258B (en) * | 2020-04-28 | 2022-07-26 | 厦门天马微电子有限公司 | Liquid crystal display panel and display device |
| CN111352258A (en) * | 2020-04-28 | 2020-06-30 | 厦门天马微电子有限公司 | Liquid crystal display panel and display device |
| TWI737545B (en) * | 2020-11-20 | 2021-08-21 | 友達光電股份有限公司 | Display apparatus |
| CN113189819A (en) * | 2020-11-20 | 2021-07-30 | 友达光电股份有限公司 | Display device |
| CN113299852A (en) * | 2021-05-11 | 2021-08-24 | 深圳市华星光电半导体显示技术有限公司 | Display panel |
| CN114253038A (en) * | 2021-12-20 | 2022-03-29 | 武汉华星光电技术有限公司 | Display panel |
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| CN107422553B (en) | 2020-12-25 |
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