CN106547138B - Display and its display panel - Google Patents
Display and its display panel Download PDFInfo
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- CN106547138B CN106547138B CN201611122301.7A CN201611122301A CN106547138B CN 106547138 B CN106547138 B CN 106547138B CN 201611122301 A CN201611122301 A CN 201611122301A CN 106547138 B CN106547138 B CN 106547138B
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- substrate
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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
- G02F1/133528—Polarisers
-
- 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
- G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
-
- 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
- G02F1/1343—Electrodes
Abstract
The invention discloses a kind of display panels, the display panel includes first substrate, the second substrate, the liquid crystal layer being clamped between first substrate and the second substrate, first transparency electrode layer of the first substrate on the surface of liquid crystal layer is set, the first alignment film on first transparency electrode layer is set, first substrate is set far from the first polaroid on the surface of liquid crystal layer, the area of first polaroid is greater than the area of the effective display area domain of display panel, the noneffective display area domain of first alignment film covering effective display area domain and display panel, first transparency electrode layer is arranged in noneffective display area domain at least partially hollow out.Invention additionally discloses a kind of displays, by the above-mentioned means, the present invention can be avoided display panel light leakage.
Description
Technical field
The present invention relates to field of display technology, more particularly to a kind of display and its display panel.
Background technique
BPS (Black photo spacer, black support portion) technology is a kind of technology using black PS.Due to PS material
Material uses black instead, can play interception, it is possible to which the function of BM (black matrix) and the function of PS are integrated into
Together.In this case BPS can replace the BM and PS of original technology simultaneously.To save processing procedure together, equipment, material
Material, greatly saves cost.
BPS technology can be used in LCD technology, especially middle size and large-sized liquid crystal display.
Function of the BPS material due to having BM and PS concurrently simultaneously, the unit thickness OD (optical density) of BPS material
Value is not so good as original BM.The periphery design of LCD must carry out shading with BPS material, since the OD value of BPS material is insufficient, in LCD ash
When rank is 0 grayscale, it is possible to the case where causing periphery light leakage generation, so that contrast reduces.
In order to make up the deficiency of periphery BPS material OD value, liquid crystal and polaroid collective effect can be allowed to help shading.Principle
As follows, under VA display pattern, upper down polaroid is positive knot structure, if long axis of liquid crystal molecule is arranged perpendicular to glass substrate.
Light becomes polarised light, liquid crystal molecule will not change its polarization direction for the polarised light of entrance after down polaroid entrance.On and
The direction of polarized light that can be penetrated of polaroid and lower polarizer are vertical, both vertical with incident polarization light polarization direction, so
It can not pass through.
If liquid crystal molecule is allowed to achieve the purpose that long axis perpendicular to glass substrate, needs two conditions, one is
There is the presence of PI alignment film, orientation is carried out to liquid crystal.Second is that the potential difference of upper and lower base plate is 0.Second condition only needs
Alignment film is applied to frame glue.Second condition can satisfy in effective display area domain, but all due to all signals
It being transmitted by metal wire from noneffective display area domain to pixel, the signal of different voltages is more, and it is easy and upper substrate forms pressure difference,
Liquid crystal is forced to rotate, so the phenomenon that noneffective display area domain has been easy light leakage.
Accordingly, it is desirable to provide a kind of display and its display panel, to solve the above technical problems.
Summary of the invention
The invention mainly solves the technical problem of providing a kind of display and its display panel, can be avoided in zero grayscale
Lower noneffective display area domain light leakage.
In order to solve the above technical problems, one technical scheme adopted by the invention is that: a kind of display panel is provided, the display
Panel includes first substrate, the second substrate, the liquid crystal layer being clamped between first substrate and the second substrate, is arranged in first substrate
Close to liquid crystal layer surface on first transparency electrode layer, be arranged on first transparency electrode layer the first alignment film, setting exist
For first substrate far from the first polaroid on the surface of liquid crystal layer, the area of the first polaroid is greater than effective display of display panel
The area in region, the first alignment film cover the noneffective display area domain of effective display area domain and display panel, first transparency electrode
Layer is arranged in noneffective display area domain at least partially hollow out.
Wherein, first transparency electrode layer only includes the interconnecting piece for being used for transmission signal, remaining part in noneffective display area domain
It is divided into hollow out setting.
Wherein, display panel further includes the multiple supporting elements being supported between first substrate and the second substrate, at least partly
Supporting element be shading material.
Wherein, display panel further includes the glue frame between first substrate and the second substrate, and glue frame is located at liquid crystal layer
Surrounding and for liquid crystal layer to be packaged between first substrate and the second substrate.
Wherein, first substrate is colored filter substrate, and the second substrate is thin-film transistor array base-plate.
Wherein, display panel further comprises that the second substrate thin film transistor (TFT) array on the surface of liquid crystal layer is arranged in
Layer, is arranged in the second of surface of the second substrate far from liquid crystal layer at the second alignment film being arranged in thin film transistor array layer
Polaroid.
Wherein, the area of the second polaroid is greater than the area of the effective display area domain of display panel, the covering of the second alignment film
The noneffective display area domain of effective display area domain and display panel.
Wherein, thin film transistor array layer, which includes at least, is arranged in metal layer in the second substrate, is arranged on the metal layer
The second transparency electrode layer of passivation layer and setting on the passivation layer, mistake of the second transparency electrode layer by setting on the passivation layer
Hole is connected with metal layer.
Wherein, first transparency electrode layer further comprises in the main part of effective display area domain and positioned at noneffective display area
The external signal access section in domain, interconnecting piece are strip, interconnecting piece be connected to main part and corresponding external signal access section it
Between.
In order to solve the above technical problems, another technical solution used in the present invention is: providing a kind of display, the display
Device includes display panel and for providing the backlight module of backlight for display panel, and display panel is above-mentioned display panel.
The beneficial effects of the present invention are: be in contrast to the prior art, the present invention includes the by setting display panel
One substrate, the liquid crystal layer being clamped between first substrate and the second substrate, is arranged in first substrate close to liquid crystal layer the second substrate
Surface on first transparency electrode layer, be arranged on first transparency electrode layer the first alignment film, setting it is remote in first substrate
The first polaroid on the surface of chaotropic crystal layer, the area of the first polaroid are greater than the face of the effective display area domain of display panel
Product, the first alignment film cover the noneffective display area domain of effective display area domain and display panel, and first transparency electrode layer has non-
It imitates display area at least partially hollow out to be arranged, so that the signal lead in noneffective display area domain will not be vertical under zero grayscale
Panel direction generates pressure difference, liquid crystal molecule will not be made to deflect, can be avoided the noneffective display area domain light leakage under zero grayscale.
Detailed description of the invention
Fig. 1 is the distribution schematic diagram of first transparency electrode layer on first substrate of the present invention；
Fig. 2 is the schematic cross-section the invention shows panel along the direction A-A as shown in figure 1；
Fig. 3 is the schematic cross-section the invention shows panel along the direction B-B as shown in figure 1；
Fig. 4 is the structural schematic diagram of display of the invention.
Specific embodiment
The present invention will be described in detail with reference to the accompanying drawings and examples.
Fig. 1, Fig. 2 and Fig. 3 are please referred to, Fig. 1 is the distribution schematic diagram of first transparency electrode layer on first substrate of the present invention.Figure
2 be the schematic cross-section the invention shows panel along the direction A-A as shown in figure 1.Fig. 3 is that the invention shows panels along B-B as shown in figure 1
The schematic cross-section in direction.In this example it is shown that panel includes first substrate 11, the second substrate 12, is clamped in the first base
Liquid crystal layer 13 between plate 11 and the second substrate 12, that first substrate 11 is arranged in is first transparent on the surface of liquid crystal layer 13
Electrode layer 14, is arranged in first substrate 11 far from liquid crystal layer 13 the first alignment film 15 being arranged on first transparency electrode layer 14
Surface on the first polaroid 16.
As shown in Figure 1,142 region being arranged based on the effective display area domain of display panel, referring to fig. 2 in conjunction with Fig. 1,
The area of first polaroid 16 is greater than the area of the effective display area domain of display panel, and the edge of the first polaroid 16 is in display surface
The edge for exceeding effective display area domain in the board direction of plate, that is, exceed the edge of main part 142, and the first alignment film 15 is covered with
The noneffective display area domain for imitating display area and display panel, that is, cover entire display panel, first transparency electrode layer 14 is non-
Effective display area domain at least partially hollow out is arranged.
Preferably, first transparency electrode layer 14 only includes the interconnecting piece 141 for being used for transmission signal in noneffective display area domain,
Rest part is hollow out setting.It is further preferable that first transparency electrode layer 14 further comprises the main body in effective display area domain
Portion 142 and external signal access section 143 positioned at noneffective display area domain, interconnecting piece 141 are strip, and interconnecting piece 141 connects
Between main part 142 and corresponding external signal access section 143.Signal access section 143 is used to connect external signal, such as connects
The external signal entered is the voltage signal for controlling liquid crystal molecule deflection.The quantity of interconnecting piece 141 and signal access section 143
Quantity corresponds.In this embodiment, it is preferred that main part 142 is rectangle, the number of interconnecting piece 141 and signal access section 143
Amount is 6, each interconnecting piece 141 extends to corresponding signal by the direction of 142 long side of main part perpendicular to rectangle and accesses
Portion 143.Preferably, each long side extends three interconnecting pieces 141 in the two opposite long sides of main part 142, and from same length
While the spacing between three interconnecting pieces 141 extended is equal.In other embodiments, it can also be carried out using other modes
The pattern of first transparency electrode layer 14 is arranged.
Preferably, display panel further includes the multiple supporting elements 17 being supported between first substrate 11 and the second substrate 12,
At least partly supporting element 17 is shading material.I.e. supporting element 17 both plays the role of supporting first substrate 11 and the second substrate 12,
Also function to the effect of shading.In one case, the supporting element 17 positioned at noneffective display area domain is shading material, is located at effective
The supporting element 17 of display area is transparent material.
Preferably, display panel further includes the glue frame 18 between first substrate 11 and the second substrate 12, and glue frame 18
In liquid crystal layer 13 surrounding and for liquid crystal layer 13 to be packaged between first substrate 11 and the second substrate 12.As shown, having
The area for imitating display area is less than the area of 13 region of liquid crystal layer, and the edge of the first polaroid 16 is in 18 location of glue frame
Domain.
Preferably, first substrate 11 is colored filter substrate, and the second substrate 12 is thin-film transistor array base-plate.
Preferably, display panel further comprises that the second substrate thin film transistor (TFT) battle array on the surface of liquid crystal layer is arranged in
Column layer 19, is arranged in the second substrate 12 far from liquid crystal layer 13 the second alignment film 20 being arranged in thin film transistor array layer 19
Surface the second polaroid 21.
Preferably, the area of the second polaroid 21 is greater than the area of the effective display area domain of display panel, it is further preferable that
The edge of second polaroid 21 is in the region where glue frame 18.Second alignment film 20 covers effective display area domain and display panel
Noneffective display area domain covers entire display panel.
Preferably, thin film transistor array layer 19, which includes at least, is arranged in the second substrate 12 metal layer 22, is arranged in gold
The second transparency electrode layer 24 for belonging to the passivation layer 23 on layer 22 and being arranged on passivation layer 23, second transparency electrode layer 24 pass through
Via hole on passivation layer 23 is set and metal layer 22 is connected.It will be apparent to those skilled in the art that metal layer 22 is drain-source gold
Belong to layer 22, drain-source metal layer as shown in the figure includes two parts, and one of them is drain electrode, and another one is source electrode, thin film transistor (TFT) battle array
Column layer 19 can also include gate metal layer, gate insulating layer, interlayer dielectric layer etc. film layer, buffer layer etc., such as one
In kind embodiment, buffer layer, gate metal layer, gate insulating layer, interlayer dielectric layer, drain-source are set gradually in the second substrate 12
Metal layer 22, passivation layer 23, second transparency electrode layer 24.In other embodiments, thin film transistor array layer 19 may be
Other structures, will not enumerate herein.
Preferably, first transparency electrode layer 14 and second transparency electrode layer 24 are indium tin oxide transparent conductive semiconductor
Film.
In order to which the obscurity for making up the supporting element 17 in noneffective display area domain is insufficient, liquid crystal and the first and second polaroids are total
Same-action helps shading.Principle is as follows, and under VA display pattern, the first polaroid and the second polaroid are orthohormbic structure, such as
Fruit long axis of liquid crystal molecule is arranged perpendicular to display panel, and light becomes polarised light after the entrance of the second polaroid, liquid crystal molecule for
The polarised light of entrance will not change its polarization direction, and the direction of polarized light that can be penetrated of the second polaroid and the second polarizer
Vertically, both vertical with incident polarization light polarization direction, so can not be by avoiding light leakage, the first and second alignment films are to liquid crystal
Molecule orientation, such as make the long axis of liquid crystal molecule perpendicular to display panel.
Since the first transparency electrode layer 14 on first substrate 11 is largely hollowed out in the part in noneffective display area domain,
Interconnecting piece 141 is left behind to guarantee the importing of external signal.In noneffective display area domain, thoroughly due to first on first substrate 11
Prescribed electrode layer is largely removed, even if the transparent electrode layer and metal layer in the second substrate 12 have to signal voltage, but by
In the pressure difference of a signal voltage of no first substrate 11 and its formation vertical panel direction, so will not be produced for liquid crystal
Raw effect, even if the liquid crystal molecule in noneffective display area domain will not be generated inclined by signal interference in the case where 0 grayscale
Turn, ensure that long axis of liquid crystal molecule ensure that the validity of alignment film orientation perpendicular to display panel, then partially first and second
Under the action of mating plate so that ambient will not can not be by panel, therefore light leakage will not be generated.
Referring to Fig. 4, Fig. 4 is the structural schematic diagram of display of the invention.In this example it is shown that device includes display
Panel 41 and backlight module 42, the backlight module 42 are used to provide backlight for the display panel 41, which is above-mentioned
The display panel of any one embodiment description.
The present invention includes first substrate, the second substrate, is clamped in first substrate and the second substrate by the way that display panel is arranged
Between liquid crystal layer, that first transparency electrode layer of the first substrate on the surface of liquid crystal layer, setting is arranged in is transparent first
First substrate is arranged in far from the first polaroid on the surface of liquid crystal layer, the first polaroid in the first alignment film on electrode layer
Area be greater than display panel effective display area domain area, the first alignment film covers effective display area domain and display panel
Noneffective display area domain, first transparency electrode layer is arranged in noneffective display area domain at least partially hollow out, so that in zero grayscale
The signal lead in lower noneffective display area domain will not generate pressure difference in vertical panel direction, liquid crystal molecule will not be made to deflect, can
Avoid the noneffective display area domain light leakage under zero grayscale.
Mode the above is only the implementation of the present invention is not intended to limit the scope of the invention, all to utilize this
Equivalent structure or equivalent flow shift made by description of the invention and accompanying drawing content, it is relevant to be applied directly or indirectly in other
Technical field is included within the scope of the present invention.
Claims (7)
1. a kind of display panel, which is characterized in that the display panel includes first substrate, the second substrate, is clamped in described
Of the first substrate on the surface of the liquid crystal layer is arranged in liquid crystal layer between one substrate and the second substrate
One transparent electrode layer, is arranged in the first substrate far from the liquid the first alignment film being arranged on first transparency electrode layer
The first polaroid on the surface of crystal layer, the area of first polaroid are greater than the effective display area domain of the display panel
Area, first alignment film cover the noneffective display area domain of the effective display area domain and the display panel；
The first transparency electrode layer further comprises in the main part of the effective display area domain and positioned at described non-effective aobvious
Show the external signal access section in region；
Wherein, the region being arranged based on the effective display area domain, the first transparency electrode layer is described non-effective aobvious
Showing region only includes the interconnecting piece for being used for transmission signal, and the interconnecting piece is strip, and the interconnecting piece is connected to the main body
Between portion and the corresponding external signal access section, rest part is hollow out setting；
The display panel further includes the multiple supporting elements being supported between first substrate and the second substrate, at least part of described
Supporting element is shading material；
Wherein, the supporting element both plays the role of supporting first substrate and the second substrate, also functions to shading；Positioned at non-
The supporting element of effective display area domain is shading material, and the supporting element positioned at effective display area domain is transparent material.
2. display panel according to claim 1, which is characterized in that the display panel further includes being located at first base
Glue frame between plate and the second substrate, the glue frame are located at the surrounding of the liquid crystal layer and for encapsulating the liquid crystal layer
Between the first substrate and the second substrate.
3. display panel according to claim 1, which is characterized in that the first substrate is colored filter substrate, institute
Stating the second substrate is thin-film transistor array base-plate.
4. display panel according to claim 1, which is characterized in that the display panel further comprises being arranged described
The second substrate close to thin film transistor array layer on the surface of the liquid crystal layer, be arranged in the thin film transistor array layer
Second alignment film, the second polaroid that surface of the second substrate far from the liquid crystal layer is set.
5. display panel according to claim 4, which is characterized in that the area of second polaroid is greater than the display
The area of the effective display area domain of panel, second alignment film cover the non-of the effective display area domain and the display panel
Effective display area domain.
6. display panel according to claim 4, which is characterized in that the thin film transistor array layer includes at least setting
The second transparency electrode of passivation layer and setting on the passivation layer of metal layer, setting on the metal layer on the second substrate
Layer, the second transparency electrode layer pass through the via hole being arranged on the passivation layer and are connected with the metal layer.
7. a kind of display, which is characterized in that the display includes display panel and for providing back for the display panel
The backlight module of light, the display panel are display panel as claimed in any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611122301.7A CN106547138B (en) | 2016-12-08 | 2016-12-08 | Display and its display panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611122301.7A CN106547138B (en) | 2016-12-08 | 2016-12-08 | Display and its display panel |
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| CN106547138A CN106547138A (en) | 2017-03-29 |
| CN106547138B true CN106547138B (en) | 2019-11-26 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109166912A (en) * | 2018-08-28 | 2019-01-08 | 深圳市华星光电技术有限公司 | A kind of thin film transistor (TFT) and GOA circuit |
| TWI738465B (en) * | 2020-08-14 | 2021-09-01 | 友達光電股份有限公司 | Display device |
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| KR101035844B1 (en) * | 2004-01-06 | 2011-05-19 | 삼성전자주식회사 | Upper substrate and liquid crystal display having the same |
| US7443477B2 (en) * | 2005-09-06 | 2008-10-28 | Hannstar Display Corporation | In-plane switching liquid crystal display |
| CN101852938A (en) * | 2009-04-01 | 2010-10-06 | 友达光电（苏州）有限公司 | Liquid crystal display panel |
| CN101986190A (en) * | 2010-07-30 | 2011-03-16 | 南京中电熊猫液晶显示科技有限公司 | Method for improving light leakage on edges of pixels of liquid crystal display |
| KR101920374B1 (en) * | 2011-04-27 | 2018-11-20 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | Light-emitting device and manufacturing method thereof |
| CN203643703U (en) * | 2013-12-04 | 2014-06-11 | 中航华东光电有限公司 | Device for optimizing liquid crystal display light leakage |
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| CN101403832A (en) * | 2008-11-14 | 2009-04-08 | 友达光电（苏州）有限公司 | LCD panel and LCD device |
| CN103345096A (en) * | 2013-07-15 | 2013-10-09 | 深圳市华星光电技术有限公司 | Display panel and display device |
| CN105759520A (en) * | 2016-04-21 | 2016-07-13 | 深圳市华星光电技术有限公司 | Liquid crystal display panel |
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Address after: No.9-2 Tangming Avenue, Guangming New District, Shenzhen City, Guangdong Province Patentee after: TCL Huaxing Photoelectric Technology Co.,Ltd. Address before: No.9-2 Tangming Avenue, Guangming New District, Shenzhen City, Guangdong Province Patentee before: Shenzhen China Star Optoelectronics Technology Co.,Ltd. |
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