CN108153076A - Liquid crystal display panel - Google Patents
Liquid crystal display panel Download PDFInfo
- Publication number
- CN108153076A CN108153076A CN201810041492.7A CN201810041492A CN108153076A CN 108153076 A CN108153076 A CN 108153076A CN 201810041492 A CN201810041492 A CN 201810041492A CN 108153076 A CN108153076 A CN 108153076A
- Authority
- CN
- China
- Prior art keywords
- liquid crystal
- crystal display
- display panel
- groove
- black matrix
- 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.)
- Granted
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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
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136209—Light shielding layers, e.g. black matrix, incorporated in the active matrix substrate, e.g. structurally associated with the switching element
-
- 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
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136204—Arrangements to prevent high voltage or static electricity failures
Abstract
The present invention provides a kind of liquid crystal display panel, by digging the groove (V) through its own to the black matrix" (BM) being located in non-display area (NA), it can stop that electrostatic by non-display area (NA) conduction to viewing area (AA), is increased anti-static ability by the black matrix" (BM)；By setting light shield layer (4) on thin-film transistor array base-plate (1), and the width of the light shield layer (4) is more than the width of the groove (V), so that the light shield layer (4) shelters from the backlight of groove described in directive (V), so as to effectively avoid the phenomenon that light leakage occur at the groove of black matrix" (BM) (V), it prevents the non-display area (NA) of liquid crystal display panel from bright line occur, promotes the display quality of liquid crystal display panel.
Description
Technical field
The present invention relates to display technology field more particularly to a kind of liquid crystal display panels.
Background technology
Liquid crystal display device (Liquid Crystal Display, LCD) has that fuselage is thin, power saving, radiationless etc. numerous
Advantage has obtained widely applying, such as：LCD TV, smart mobile phone, digital camera, computer screen or notebook-type computer screen
Curtain etc..
Liquid crystal display device on existing market is largely backlight liquid crystal display device, including housing, set on shell
Internal liquid crystal display panel and the backlight module (Backlight module) in housing.
Please refer to Fig. 1 and Fig. 2, conventional liquid crystal display panel includes the thin-film transistor array base-plate being oppositely arranged
(Thin Film Transistor Array Substrate, TFT Array Substrate) 100 and colored filter substrate
(Color Filter, CF) 200 and the liquid crystal layer (Liquid Crystal Layer) 300 being configured between two substrates, work
It is to control the rotation of the liquid crystal molecule of liquid crystal layer 300 by applying driving voltage on two substrates as principle, by backlight module
Light reflect generation picture.
Black matrix" BM ' is equipped in 200 side of colored filter substrate for blocking light leakage, but due to the black matrix"
BM ' has certain electric conductivity, can be to being located at liquid crystal display panel to increase antistatic (ESD) ability of liquid crystal display panel
Non-display area NA ' in black matrix" BM ' dig out together run through black matrix" BM ' groove V ', to stop the black
Matrix is conducted electrostatic to viewing area AA ' by the non-display area NA ' of liquid crystal display panel, prevents electrostatic from picture being caused to show not
It is good.In view of there are offsets at the groove V ' of the black matrix" BM ', the red photoresist R ' being laminated can be filled to the groove V '
With blue light resistance B '.
As depicted in figs. 1 and 2, red photoresist R ' can be stuck up after filling the groove V ' of the black matrix" BM ' in both sides formation
It rises, and then the red photoresist R ' can not be completely covered when filling the blue light resistance B ', the both sides of photoresist R ' red in this way
It tilts and just there are gap K ', only red photoresist R ' at the K ' of the gap, penetrance is higher, easily between the blue light resistance B '
Light leakage, backlight module will form a red bright line L in the non-display area NA ' of liquid crystal display panel after opening, influence liquid
The display quality of LCD panel.
Invention content
The purpose of the present invention is to provide a kind of liquid crystal display panels, can either increase anti-static ability, and can be effective
It avoids occurring the phenomenon that light leakage at the groove of black matrix", prevents the non-display area of liquid crystal display panel from bright line occur, promote liquid
The display quality of LCD panel.
To achieve the above object, the present invention provides a kind of liquid crystal display panel, including thin-film transistor array base-plate and institute
State colored filter substrate that thin-film transistor array base-plate is oppositely arranged and be located in the thin-film transistor array base-plate with
Liquid crystal layer between colored filter substrate；The liquid crystal display panel has viewing area and positioned at the non-aobvious of the non-display area
Show area；
The colored filter substrate includes black matrix"；In the non-display area, the black matrix", which is equipped with, to be run through
The groove of its own；
The thin-film transistor array base-plate sets light shield layer, and the light shield layer on the region corresponding to the groove
Width be more than the groove width.
Preferably, the light shield layer is lighttight metal routing.
The material of the lighttight metal routing is molybdenum, one or more stacked combinations in aluminium, titanium, copper.
The material of the lighttight metal routing is titanium/aluminium/titanium or molybdenum/aluminium/molybdenum.
Fill color stop block in the groove.
The color blocking block includes the red photoresist and blue light resistance that are cascading.
The liquid crystal display panel includes being set on the thin-film transistor array base-plate and colored filter substrate surrounding
The sealing frame glue'' of edge and the photoresist spacer being supported between the thin-film transistor array base-plate and colored filter substrate.
The colored filter substrate further includes：
Underlay substrate, the black matrix" are set on the underlay substrate close to the side of the liquid crystal layer；
Set on the black matrix" close to the flatness layer of the liquid crystal layer side；
And set on the flatness layer close to the both alignment layers of the liquid crystal layer side.
Beneficial effects of the present invention：A kind of liquid crystal display panel provided by the invention, by being located in non-display area
Black matrix" digs the groove through its own, can stop that the black matrix" is conducted electrostatic to display by non-display area
Area increases anti-static ability；By setting light shield layer on thin-film transistor array base-plate, and the width of the light shield layer is more than
The width of the groove so that the light shield layer shelters from the backlight of groove described in directive, so as to effectively avoid black square
There is the phenomenon that light leakage at the groove of battle array, prevent the non-display area of liquid crystal display panel from bright line occur, promote liquid crystal display panel
Display quality.
Description of the drawings
For further understanding of the features and technical contents of the present invention, it please refers to below in connection with the detailed of the present invention
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 schematic top plan view of conventional liquid crystal display panel；
Fig. 2 is corresponding to the diagrammatic cross-section at C-C in Fig. 1；
Fig. 3 is the schematic top plan view of the liquid crystal display panel of the present invention；
Fig. 4 is corresponding to the diagrammatic cross-section at D-D in Fig. 3.
Specific embodiment
The technological means and its effect taken further to illustrate the present invention, below in conjunction with the preferred implementation of the present invention
Example and its attached drawing are described in detail.
Please refer to Fig. 3 and Fig. 4, the present invention provides a kind of liquid crystal display panel, including thin-film transistor array base-plate
1st, the colored filter substrate 2 that is oppositely arranged with the thin-film transistor array base-plate 1 is located in the thin film transistor (TFT) array
Liquid crystal layer 3 between substrate 1 and colored filter substrate 2, set on the thin-film transistor array base-plate 1 and colorized optical filtering chip base
It the sealing frame glue'' 51 of 2 edge of plate and is supported between the thin-film transistor array base-plate 1 and colored filter substrate 2
Photoresist spacer 53.
Specifically, the colored filter substrate 2 include underlay substrate 21, set on the underlay substrate 21 close to the liquid
The black matrix" BM of 3 side of crystal layer, it close to the flatness layer 23 of 3 side of liquid crystal layer and is set on set on the black matrix" BM
The flatness layer 23 is close to the both alignment layers 24 of 3 side of liquid crystal layer.Further, the 21 preferred glass base of underlay substrate
Plate, described 24 preferred polyimides (Polymide) film of both alignment layers.
The liquid crystal display panel has the viewing area AA and non-display area NA positioned at the viewing area AA peripheries.By institute
It states black matrix" BM and has certain electric conductivity, to prevent the black matrix" BM from conducting electrostatic to display by non-display area NA
Area AA, in the non-display area NA of the liquid crystal display panel, the black matrix" BM is equipped with through the groove V of its own, energy
The path of the black matrix" BM conducting static electricities is enough blocked, increases the anti-static ability of liquid crystal display panel.
In view of at the groove V of the black matrix" BM there are offset, can in the groove V fill color stop block 25, into
One step, the color blocking block 25 includes the red photoresist R being cascading and blue light resistance B.It is limited by making technology, institute
Tilting can be formed, and then filling the blue light resistance in both sides by stating after red photoresist R fills the groove V of the black matrix" BM
The red photoresist R can not be completely covered during B, the both sides of photoresist R red in this way tilt and can not be kept away between the blue light resistance B
Exempt from there are gap K, only red photoresist R at the K of the gap, penetrance is higher, so the appearance groove V of the black matrix" BM at
Easy light leakage.
In order to effectively avoid the phenomenon that light leakage occur at the groove V of the black matrix" BM, LCD display is prevented
There is bright line in the non-display area NA of plate, promotes the display quality of liquid crystal display panel, liquid crystal display panel of the invention is described
Thin-film transistor array base-plate 1 is corresponding to setting light shield layer 4 on the region of the groove V, and the width of the light shield layer 4 is more than
The width of the groove V shelters from the backlight of groove V described in directive using the light shield layer 4.
Specifically, since the light shield layer 4 is arranged on the thin-film transistor array base-plate 1, preferably described light shield layer 4
For lighttight metal routing, in this way during the processing procedure of the thin-film transistor array base-plate 1, film crystalline substance can made
The light shield layer 4 is produced while the grid of body pipe or is produced while the source electrode of thin film transistor (TFT) and drain electrode is made
The light shield layer 4.Further, the material of the lighttight metal routing is molybdenum (Mo), aluminium (Al), titanium (Ti), copper (Cu)
In one or more stacked combinations, such as titanium/aluminium/titanium (Ti/Al/Ti) or molybdenum/aluminium/molybdenum (Mo/Al/Mo) etc..
In conclusion the liquid crystal display panel of the present invention is by digging through it black matrix" being located in non-display area
The groove of itself can stop that the black matrix" is conducted electrostatic to viewing area by non-display area, increase anti-static ability；It is logical
It crosses and light shield layer is set on thin-film transistor array base-plate, and the width of the light shield layer is more than the width of the groove so that
The light shield layer shelters from the backlight of groove described in directive, so as to effectively avoid light leakage occur at the groove of black matrix"
Phenomenon prevents the non-display area of liquid crystal display panel from bright line occur, promotes the display quality of liquid crystal display panel.
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 deformation are made in design, and all these changes and deformation should all belong to the claim of the present invention
Protection domain.
Claims (8)
1. a kind of liquid crystal display panel, which is characterized in that including thin-film transistor array base-plate (1) and the thin film transistor (TFT)
The colored filter substrate (2) and be located in the thin-film transistor array base-plate (1) and colour that array substrate (1) is oppositely arranged
Liquid crystal layer (3) between filter sheet base plate (2)；The liquid crystal display panel has viewing area (AA) and positioned at the viewing area (AA)
The non-display area (NA) of periphery；
The colored filter substrate (2) includes black matrix" (BM)；In the non-display area (NA), the black matrix"
(BM) equipped with the groove (V) through its own；
The thin-film transistor array base-plate (1) sets light shield layer (4) on the region corresponding to the groove (V), and described
The width of light shield layer (4) is more than the width of the groove (V).
2. liquid crystal display panel as described in claim 1, which is characterized in that the light shield layer (4) is walked for lighttight metal
Line.
3. liquid crystal display panel as claimed in claim 2, which is characterized in that the material of the lighttight metal routing is
One or more stacked combinations in molybdenum, aluminium, titanium, copper.
4. liquid crystal display panel as claimed in claim 3, which is characterized in that the material of the lighttight metal routing is
Titanium/aluminium/titanium or molybdenum/aluminium/molybdenum.
5. liquid crystal display panel as described in claim 1, which is characterized in that the interior fill color stop block (25) of groove (V).
6. liquid crystal display panel as claimed in claim 5, which is characterized in that the color blocking block (25) is including being cascading
Red photoresist (R) and blue light resistance (B).
7. liquid crystal display panel as described in claim 1, which is characterized in that further include set on the thin film transistor (TFT) array base
The sealing frame glue'' (51) of plate (1) and colored filter substrate (2) edge and it is supported on the thin-film transistor array base-plate
(1) the photoresist spacer (53) between colored filter substrate (2).
8. liquid crystal display panel as described in claim 1, which is characterized in that the colored filter substrate (2) further includes：
Underlay substrate (21), the black matrix" (BM) is set on the underlay substrate (21) close to the side of the liquid crystal layer (3)；
Set on the black matrix" (BM) close to the flatness layer (23) of the liquid crystal layer (3) side；And set on the flatness layer
(23) close to the both alignment layers (24) of the liquid crystal layer (3) side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810041492.7A CN108153076B (en) | 2018-01-16 | 2018-01-16 | Liquid crystal display panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810041492.7A CN108153076B (en) | 2018-01-16 | 2018-01-16 | Liquid crystal display panel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108153076A true CN108153076A (en) | 2018-06-12 |
| CN108153076B CN108153076B (en) | 2020-09-01 |
Family
ID=62461589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810041492.7A Active CN108153076B (en) | 2018-01-16 | 2018-01-16 | Liquid crystal display panel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108153076B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108873520A (en) * | 2018-06-28 | 2018-11-23 | 武汉华星光电技术有限公司 | A kind of liquid crystal display panel |
| CN109387974A (en) * | 2018-09-30 | 2019-02-26 | 厦门天马微电子有限公司 | Display panel and display device |
| CN113835260A (en) * | 2020-06-24 | 2021-12-24 | 深超光电（深圳）有限公司 | Liquid crystal display panel and manufacturing method thereof |
| CN114077090A (en) * | 2021-11-29 | 2022-02-22 | 京东方科技集团股份有限公司 | Color film substrate and manufacturing method thereof, display panel and display device |
| CN114428419A (en) * | 2022-02-18 | 2022-05-03 | 京东方科技集团股份有限公司 | Display panel and display device |
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| CN107589588A (en) * | 2017-10-31 | 2018-01-16 | 武汉华星光电技术有限公司 | Liquid crystal display panel and liquid crystal display device |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108873520A (en) * | 2018-06-28 | 2018-11-23 | 武汉华星光电技术有限公司 | A kind of liquid crystal display panel |
| CN108873520B (en) * | 2018-06-28 | 2021-07-13 | 武汉华星光电技术有限公司 | Liquid crystal display panel |
| CN109387974A (en) * | 2018-09-30 | 2019-02-26 | 厦门天马微电子有限公司 | Display panel and display device |
| CN109387974B (en) * | 2018-09-30 | 2021-09-17 | 厦门天马微电子有限公司 | Display panel and display device |
| CN113835260A (en) * | 2020-06-24 | 2021-12-24 | 深超光电（深圳）有限公司 | Liquid crystal display panel and manufacturing method thereof |
| CN114077090A (en) * | 2021-11-29 | 2022-02-22 | 京东方科技集团股份有限公司 | Color film substrate and manufacturing method thereof, display panel and display device |
| CN114077090B (en) * | 2021-11-29 | 2023-10-13 | 京东方科技集团股份有限公司 | Color film substrate, manufacturing method thereof, display panel and display device |
| CN114428419A (en) * | 2022-02-18 | 2022-05-03 | 京东方科技集团股份有限公司 | Display panel and display device |
| CN114428419B (en) * | 2022-02-18 | 2023-10-03 | 京东方科技集团股份有限公司 | Display panel and display device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108153076B (en) | 2020-09-01 |
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