CN106646995A - Liquid crystal cell and liquid crystal display device preventing light leak - Google Patents
Liquid crystal cell and liquid crystal display device preventing light leak Download PDFInfo
- Publication number
- CN106646995A CN106646995A CN201611192157.4A CN201611192157A CN106646995A CN 106646995 A CN106646995 A CN 106646995A CN 201611192157 A CN201611192157 A CN 201611192157A CN 106646995 A CN106646995 A CN 106646995A
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- CN
- China
- Prior art keywords
- liquid crystal
- layer
- fan
- out line
- line layer
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Classifications
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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
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133512—Light shielding layers, e.g. black matrix
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
Abstract
The invention discloses a liquid crystal cell preventing light leak. The liquid crystal cell comprises an upper base plate, a lower base plate, a liquid crystal layer arranged between the upper base plate and the lower base plate, a fan-out line layer arranged on the lower base plate, an inorganic insulating layer covering the fan-out line layer and a light shield layer arranged between the liquid crystal layer and the inorganic insulating layer, and the projection of the light shield layer on the fan-out line layer at least shields the non-wiring area between each two traces on the fan-out line layer. The invention further discloses a liquid crystal display device. According to the liquid crystal cell and liquid crystal display device preventing light leak, by adding the light shield layer between the fan-out line layer and the liquid crystal layer, rays of light of the trace slit portion of the fan-out line layer are shielded, the light transmittance of the lower base plate can be effectively reduced, and the light leak condition of panel frame fan-out line trace portion is improved.
Description
Technical field
The present invention relates to technical field of liquid crystal display, more particularly to a kind of liquid crystal cell for avoiding light leak and liquid crystal display dress
Put.
Background technology
Liquid crystal display with its high display quality, cheap price, it is easy to carry the advantages of, become mobile communication equipment,
The display terminal of PC (personal computer, i.e. personal computer), TV (television, i.e. television set) etc..It is general at present
All over the liquid crystal display for adopting, generally it is made up of upper and lower substrate and intermediate liquid crystal layer, substrate is made up of glass and electrode etc..If
Up and down substrate has electrode, can form the display of longitudinal electric field pattern, such as TN (Twist Nematic, i.e. twisted nematic
Type) pattern, VA (Vertical Alignment, i.e. vertical orientation) pattern, and in order to solve the MVA of the narrow exploitation in visual angle
(Multi-domain Vertical Alignment, i.e., many quadrant vertical orientation technologies).An other class is with aforementioned display device not
Together, electrode is only positioned at the side of substrate, forms the display of lateral electric field mode, and such as IPS (In-plane switching, i.e.,
Plane conversion) pattern, FFS (Fringe Field Switching, i.e. fringe field turn) pattern etc..
Recently people attempt using black-matrix material to support TFT (Thin Film as column spacer
Transistor, i.e. thin film transistor (TFT)) and CF (Color Filter, i.e. colored filter) substrate, this column is isolated referred to as black
Color column spacer (black column spacer).Black column spacer can by adjust mask light exposure come
Make, formed and meet compression segment difference, elastic restoration ratio, the pattern of fracture strength.Due to the material ratio tradition that this kind of technology is used
Black-matrix material light absorptive it is poor, therefore easy light leak at frame Fanout (being fanned out to) cabling of panel.
The content of the invention
In view of the deficiency that prior art is present, the invention provides a kind of liquid crystal cell for avoiding light leak and liquid crystal display dress
Put, can avoid after using black column spacer technology, light leak occur at panel border Fanout cablings.
In order to realize above-mentioned purpose, following technical scheme is present invention employs：
A kind of liquid crystal cell for avoiding light leak, including upper substrate, infrabasal plate, be arranged on the upper substrate and the infrabasal plate it
Between liquid crystal layer and the fan-out line layer being arranged on the infrabasal plate, the inorganic insulation layer that is covered on the fan-out line layer,
Light shield layer, projection of the light shield layer on the fan-out line layer are additionally provided between the liquid crystal layer and the inorganic insulation layer
At least block on the fan-out line layer per the non-wiring area between two cablings.
Used as one of which embodiment, the light shield layer is sheet, and the projection on the fan-out line layer is blocked completely
The fan-out line layer and per the non-wiring area between two cablings.
Used as one of which embodiment, the light shield layer includes multiple shading strips, and the shading strip is fanned out to described
Projection and overlapping and corresponding per the non-wiring area between two cablings on the fan-out line layer on line layer.
Used as one of which embodiment, described liquid crystal cell also includes connecting the first of all of shading strip simultaneously
Horizontal shading strip and the second horizontal shading strip, the first horizontal shading strip and the second horizontal shading strip are respectively close to described
The signal input part and signal output part of fan-out line layer.
Used as one of which embodiment, the light shield layer is metal.
As one of which embodiment, black columnar interval is also folded between the upper substrate and the liquid crystal layer
Thing.
As one of which embodiment, between the inorganic insulation layer and the light shield layer organic insulation is additionally provided with
Layer.
Another object of the present invention is to a kind of liquid crystal indicator is provided, including a kind of described liquid crystal cell.
The present invention by increasing light shield layer between fan-out line layer and liquid crystal layer, with the cabling gap for blocking fan-out line layer
Light, can effectively reduce the light penetration of infrabasal plate, improve the light leak situation at panel border fan-out line cabling.
Description of the drawings
Fig. 1 is the cross-sectional view of the liquid crystal indicator of the embodiment of the present invention 1.
Fig. 2 is the shading status schematic diagram of the embodiment of the present invention 1.
Fig. 3 is the cross-sectional view of the liquid crystal indicator of the embodiment of the present invention 2.
Fig. 4 is the shading status schematic diagram of the embodiment of the present invention 2.
Fig. 5 is the light shield layer structure schematic diagram of the embodiment of the present invention 2.
Fig. 6 is the shading status schematic diagram of the embodiment of the present invention 3.
Fig. 7 is the light shield layer structure schematic diagram of the embodiment of the present invention 3.
Fig. 8 is the cross-sectional view of the liquid crystal indicator of the embodiment of the present invention 4.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, it is right below in conjunction with drawings and Examples
The present invention is further described.It should be appreciated that specific embodiment described herein is only to explain the present invention, and without
It is of the invention in limiting.
The liquid crystal indicator of the present invention has liquid crystal cell, and with the effect for avoiding light leak, the liquid crystal cell mainly includes upper
Substrate, infrabasal plate, the liquid crystal layer being arranged between upper substrate and infrabasal plate and the fan-out line layer being arranged on infrabasal plate, covering
Inorganic insulation layer on fan-out line layer, is additionally provided with light shield layer between liquid crystal layer and inorganic insulation layer, light shield layer is in fan-out line
Projection on layer at least block on fan-out line layer per the non-wiring area between two cablings.Due to fan-out line layer and liquid crystal layer
Between there is light shield layer, the light at the cabling gap of fan-out line layer can be blocked, therefore can effectively reduce the light of infrabasal plate
Line transmitance, improves the light leak situation at panel border fan-out line cabling.
Embodiment 1
Refering to Fig. 1, the liquid crystal cell of the present embodiment include stacking gradually from bottom to top the infrabasal plate 2 of setting, fan-out line layer 4,
Inorganic insulation layer 5, organic insulator 8, light shield layer 7, liquid crystal layer 3, black column spacer 6 and upper substrate 1, specifically liquid crystal
Layer 3 is arranged between upper substrate 1 and infrabasal plate 2, and fan-out line layer 4 is arranged on infrabasal plate 2, and inorganic insulation layer 5 is covered in and is fanned out to
On line layer 4, black column spacer 6 is located between upper substrate 1 and liquid crystal layer 3, can play certain interception；Shading
Layer 7 is located between liquid crystal layer 3 and inorganic insulation layer 5, can further strengthen shaded effect, it is to avoid local light leak affects to show
Quality, preferred fan-out line layer 4 and light shield layer 7 are metal.
As shown in Fig. 2 the light shield layer 7 of the present embodiment is lighttight laminated structure, its projection on fan-out line layer 4 is complete
Fan-out line layer 4 is blocked entirely and per the non-wiring area between two cablings.
Because the top of fan-out line layer 4 has organic insulator 8 and light shield layer 7, organic insulator 8 can reduce fan-out line layer
Electric capacity between 4 metal routing and metal light shield layer 7, reduces signal delay and interference, and metal light shield layer 7 can block fan-out line
Light at the metal routing gap of layer 4, reduces the light penetration of infrabasal plate 2, and improving leaked at panel border Fanout cablings
Light.
Embodiment 2
Such as Fig. 3～5, different from embodiment 1, the light shield layer 7 of the present embodiment includes multiple spaced shading strips 70, and
The position of shading strip 70 with it is corresponding (just to fan-out line layer 4 per the non-wiring area between two cablings on fan-out line layer 4
Metal routing top), light shield layer 7 on fan-out line layer 4 projection just with fan-out line layer 4 on per between two cablings
Non- wiring area overlap and correspond, so as to by blocking per the non-wiring area between two cablings on fan-out line layer 4.
Organic insulator 8 can reduce the electric capacity between the metal routing of fan-out line layer 4 and metal light shield layer 7, reduce signal
Postpone and disturb, metal light shield layer 7 is list structure, both can be reduced between the metal routing of fan-out line layer 4 and metal light shield layer 7
Electric capacity, can block the light at metal routing gap again, reduce the light penetration of infrabasal plate 2, improve panel border
Light leak at Fanout cablings.
Embodiment 3
Such as Fig. 6 and 7, as different from Example 2, the metal light shield layer 7 of the present embodiment also includes connecting all of simultaneously
First horizontal shading strip 71 of shading strip 70 and the second horizontal shading strip 72 so that metal light shield layer 7 has the pattern of hollow out, hide
Projection of the photosphere 7 on fan-out line layer 4 per the non-wiring area between two cablings just with overlapping on fan-out line layer 4 and one
One correspondence, so as to by blocking per the non-wiring area between two cablings on fan-out line layer 4, the first horizontal shading strip 71 and
Signal input part and signal output part of the two horizontal shading strips 72 respectively close to fan-out line layer 4.
First horizontal shading strip 71 and the one side of the second horizontal shading strip 72 are served and connect each scattered shading strip 70
Effect, on the other hand, be also convenient for controlling the current potential of each strip metal in metal light shield layer 7.
Embodiment 4
As shown in figure 8, from unlike embodiment 2,3, having between the inorganic insulation layer 5 and light shield layer 7 of the present embodiment
Machine insulating barrier 8 is omitted, and light shield layer 7 is located between liquid crystal layer 3 and inorganic insulation layer 5, to make the metal routing and gold of fan-out line layer 4
Electric capacity between category light shield layer 7 is less, reduces signal delay and interference, it is still necessary to retains the shading strip 70 of metal light shield layer 7, or goes back
Retain the first horizontal shading strip 71 and the second horizontal shading strip 72.
In other embodiments, the organic insulator 8 in embodiment 1 can also be omitted, and remain to improve panel border
Light leak at Fanout cablings, but effect is not good.
The above is only the specific embodiment of the application, it is noted that for the ordinary skill people of the art
For member, on the premise of without departing from the application principle, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as the protection domain of the application.
Claims (8)
1. a kind of liquid crystal cell for avoiding light leak, it is characterised in that including upper substrate (1), infrabasal plate (2), be arranged on the upper base
Liquid crystal layer (3) between plate (1) and the infrabasal plate (2) and the fan-out line layer (4) being arranged on the infrabasal plate (2), cover
The inorganic insulation layer (5) covered on the fan-out line layer (4), also sets between the liquid crystal layer (3) and the inorganic insulation layer (5)
Light shield layer (7) is equipped with, projection of the light shield layer (7) on the fan-out line layer (4) is at least blocked on the fan-out line layer (4)
Per the non-wiring area between two cablings.
2. liquid crystal cell according to claim 1, it is characterised in that the light shield layer (7) is sheet, in the fan-out line layer
(4) projection on blocks completely the fan-out line layer (4) and per the non-wiring area between two cablings.
3. liquid crystal cell according to claim 1, it is characterised in that the light shield layer (7) including multiple shading strips (70), and
On projection of the shading strip (70) on the fan-out line layer (4) and the fan-out line layer (4) per between two cablings
Non- wiring area overlaps and corresponds.
4. liquid crystal cell according to claim 3, it is characterised in that also including connecting all of shading strip (70) simultaneously
The first horizontal shading strip (71) and the second horizontal shading strip (72), the first horizontal shading strip (71) and described second horizontal
Signal input part and signal output part of the shading strip (72) respectively close to the fan-out line layer (4).
5. liquid crystal cell according to claim 1, it is characterised in that the light shield layer (7) is metal.
6. liquid crystal cell according to claim 1, it is characterised in that between the upper substrate (1) and the liquid crystal layer (3) also
It is folded with black column spacer (6).
7. according to the arbitrary described liquid crystal cell of claim 1-6, it is characterised in that the inorganic insulation layer (5) and the shading
Organic insulator (8) is additionally provided between layer (7).
8. a kind of liquid crystal indicator, it is characterised in that including the arbitrary described liquid crystal cell of claim 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611192157.4A CN106646995A (en) | 2016-12-21 | 2016-12-21 | Liquid crystal cell and liquid crystal display device preventing light leak |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611192157.4A CN106646995A (en) | 2016-12-21 | 2016-12-21 | Liquid crystal cell and liquid crystal display device preventing light leak |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106646995A true CN106646995A (en) | 2017-05-10 |
Family
ID=58834445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611192157.4A Pending CN106646995A (en) | 2016-12-21 | 2016-12-21 | Liquid crystal cell and liquid crystal display device preventing light leak |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106646995A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109830181A (en) * | 2017-11-23 | 2019-05-31 | 群创光电股份有限公司 | Display device |
| CN110794610A (en) * | 2018-08-02 | 2020-02-14 | 京东方科技集团股份有限公司 | Display assembly and display device |
| WO2021196290A1 (en) * | 2020-04-02 | 2021-10-07 | Tcl华星光电技术有限公司 | Array substrate |
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| US6268895B1 (en) * | 1995-10-27 | 2001-07-31 | Sharp Kabushiki Kaisha | Liquid crystal display device having light shield in periphery of display |
| CN1763948A (en) * | 2004-10-22 | 2006-04-26 | 中华映管股份有限公司 | Thin film transistor array substrate and fabricating method thereof |
| CN1955826A (en) * | 2005-10-26 | 2007-05-02 | 中华映管股份有限公司 | Liquid crystal display and its film transistor array substrate |
| CN101398575A (en) * | 2007-09-27 | 2009-04-01 | 株式会社日立显示器 | Liquid crystal display device |
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2016
- 2016-12-21 CN CN201611192157.4A patent/CN106646995A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6268895B1 (en) * | 1995-10-27 | 2001-07-31 | Sharp Kabushiki Kaisha | Liquid crystal display device having light shield in periphery of display |
| CN1763948A (en) * | 2004-10-22 | 2006-04-26 | 中华映管股份有限公司 | Thin film transistor array substrate and fabricating method thereof |
| CN1955826A (en) * | 2005-10-26 | 2007-05-02 | 中华映管股份有限公司 | Liquid crystal display and its film transistor array substrate |
| CN101398575A (en) * | 2007-09-27 | 2009-04-01 | 株式会社日立显示器 | Liquid crystal display device |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109830181A (en) * | 2017-11-23 | 2019-05-31 | 群创光电股份有限公司 | Display device |
| US11333934B2 (en) | 2017-11-23 | 2022-05-17 | Innolux Corporation | Display device |
| CN110794610A (en) * | 2018-08-02 | 2020-02-14 | 京东方科技集团股份有限公司 | Display assembly and display device |
| KR20210008539A (en) * | 2018-08-02 | 2021-01-22 | 보에 테크놀로지 그룹 컴퍼니 리미티드 | Display device |
| AU2019314744B2 (en) * | 2018-08-02 | 2021-11-18 | Boe Technology Group Co., Ltd. | Display apparatus |
| US11527598B2 (en) | 2018-08-02 | 2022-12-13 | Chengdu Boe Optoelectronics Technology Co., Ltd. | Display device |
| KR102492632B1 (en) * | 2018-08-02 | 2023-01-30 | 보에 테크놀로지 그룹 컴퍼니 리미티드 | display device |
| WO2021196290A1 (en) * | 2020-04-02 | 2021-10-07 | Tcl华星光电技术有限公司 | Array substrate |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20170510 |