CN206610047U - Liquid crystal display panel and display device - Google Patents
Liquid crystal display panel and display device Download PDFInfo
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- CN206610047U CN206610047U CN201720186027.3U CN201720186027U CN206610047U CN 206610047 U CN206610047 U CN 206610047U CN 201720186027 U CN201720186027 U CN 201720186027U CN 206610047 U CN206610047 U CN 206610047U
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Abstract
The application is related to display technology field, more particularly to a kind of liquid crystal display panel and display device, liquid crystal display panel includes first substrate, second substrate, light shield layer on the first substrate and multiple sub-pixels arranged in determinant on the second substrate, the first substrate and the opposing parallel arrangement of the second substrate, the sub-pixel includes transparency electrode, slit is provided with the transparency electrode, the end of the light shield layer and the slit is being upwardly formed overlapping region perpendicular to the side of the first substrate, the width of the overlapping region is more than or equal to 2 μm, the bearing of trend of direction where the width perpendicular to the light shield layer edge corresponding to the overlapping region.In this liquid crystal display panel, light shield layer can cover the stub area of transparency electrode, and then improve contrast, reduce black state light leak.
Description
Technical field
The application is related to display technology field, more particularly to a kind of liquid crystal display panel and display device.
Background technology
The open region of liquid crystal display panel can produce vital influence for the display effect of liquid crystal display panel, open
Mouth region is bigger, and the display effect of liquid crystal display panel can be more preferable.In addition, BM regions (lightproof area) is smaller, liquid crystal display panel
Display effect it is better.Therefore, exist in conventional art, between BM lightproof areas and the transparency electrode of liquid crystal display panel certain
Interval so that the open region of liquid crystal display panel is bigger, BM regions are smaller.
The transparency electrode (pixel electrode or public electrode) of liquid crystal display panel is typically provided with slit, positioned at the narrow of end
Electric field at seam is weaker, and direction ratio is more disorderly, when liquid crystal display panel works, and being usually present electric field can not effective rotating transparent
This case that the liquid crystal molecule of electrode end, thus transparency electrode fringe region can not be to liquid crystal display panel white state brightness
Effective contribution is brought, meanwhile, the problem of region there is also black state light leak increases the black state brightness of liquid crystal display panel,
Causing the contrast of liquid crystal display panel reduces.
Utility model content
This application provides a kind of liquid crystal display panel and display device, to improve contrast, reduce black state light leak.
The first aspect of the application provide a kind of liquid crystal display panel, including first substrate, second substrate, positioned at described
Light shield layer on first substrate and multiple sub-pixels arranged in determinant on the second substrate, first base
Plate and the opposing parallel arrangement of the second substrate, the sub-pixel include being provided with slit in transparency electrode, the transparency electrode,
The end of the light shield layer and the slit is upwardly formed overlapping region, the overlay region in the side perpendicular to the first substrate
The width in domain is more than or equal to 2 μm, and the direction where the width is perpendicular to the light shield layer edge corresponding to the overlapping region
Bearing of trend.
Preferably, the width in the sub-pixel corresponding to the slit and the equitant region of the light shield layer be more than or
Equal to 2 μm.
Preferably, the overlapping region includes strip region, along the bearing of trend of the strip region, the bar area
The width everywhere in domain is equal.
Preferably, the side edge or row of the end of the slit only in its corresponding described transparency electrode along line direction
The side edge in direction forms the overlapping region with the light shield layer.
Preferably, the end of the slit in its corresponding described transparency electrode along at the both sides of the edge of line direction or row side
To both sides of the edge at the light shield layer form the overlapping region.
Preferably, the sub-pixel corresponding to the end of the slit includes straight with the equitant region of the light shield layer
Bar-shaped zone or folding bar-shaped zone.
Preferably, the end of the slit its corresponding described transparency electrode edge with the light shield layer shape
Into the overlapping region.
Preferably, the end of the slit its corresponding transparency electrode any two neighboring edge infall with
The light shield layer forms the overlapping region.
Preferably, the sub-pixel corresponding to the end of the slit includes three with the equitant region of the light shield layer
Angular domain or sector region.
Preferably, the transparency electrode is pixel electrode or public electrode.
The second aspect of the application provides a kind of display device, and it includes the LCD described in any of the above-described
Plate.
The technical scheme that the application is provided can reach following beneficial effect：
In liquid crystal display panel provided herein, overlapping region is formed between light shield layer and the slit of transparency electrode,
The width of the overlapping region is more than or equal to 2 μm, now, and light shield layer can cover the stub area of transparency electrode, and then improve
Contrast, the black state light leak of reduction.
It should be appreciated that the general description of the above and detailed description hereinafter are only exemplary, this can not be limited
Application.
Brief description of the drawings
The part-structure schematic diagram for the liquid crystal display panel that Fig. 1 is provided by the embodiment of the present application；
The perspective view of the part-structure for the liquid crystal display panel that Fig. 2 is provided by the embodiment of the present application；
In the liquid crystal display panel that Fig. 3 is provided by the embodiment of the present application, the structural representation of a sub-pixel；
In the liquid crystal display panel that Fig. 4 is provided by the embodiment of the present application, the structural representation of another sub-pixel；
In the liquid crystal display panel that Fig. 5 is provided by a kind of embodiment of the application, the formation schematic diagram of overlapping region；
In the liquid crystal display panel that Fig. 6 is provided by another embodiment of the application, the formation schematic diagram of overlapping region；
In the liquid crystal display panel that Fig. 7 is provided by the application another embodiment, the formation schematic diagram of overlapping region；
In the liquid crystal display panel that Fig. 8 is provided by the application another embodiment, the formation schematic diagram of overlapping region；
In the liquid crystal display panel that Fig. 9 is provided by the application another embodiment, the formation schematic diagram of overlapping region；
In the liquid crystal display panel that Figure 10 is provided by the application another embodiment, the formation schematic diagram of overlapping region；
In the liquid crystal display panel that Figure 11 is provided by the application another embodiment, the formation schematic diagram of overlapping region；
The structural representation for the display device that Figure 12 provides for the embodiment of the present application.
Reference：
100- first substrates；
101- second substrates；
11- light shield layers；
12- sub-pixels；
120- transparency electrodes；
120a- slits；
121- first edges；
122- second edges；
The edges of 123- the 3rd；
The edges of 124- the 4th；
The edges of 125- the 5th；
The edges of 126- the 6th；
900- display devices.
Accompanying drawing herein is merged in specification and constitutes the part of this specification, shows the implementation for meeting the application
Example, and be used to together with specification to explain the principle of the application.
Embodiment
The application is described in further detail below by specific embodiment and with reference to accompanying drawing.
As depicted in figs. 1 and 2, the embodiment of the present application provides a kind of liquid crystal display panel, and the liquid crystal display panel can be with
Applied in display device, it specifically includes first substrate 100, second substrate 101, the light shield layer on first substrate 100
11 (layers i.e. where BM lightproof areas) and multiple sub-pixels 12 arranged in determinant on second substrate 101.The
One substrate 100 and the opposing parallel arrangement of second substrate 101, set liquid crystal between the two.
Color blocking layer is provided with second substrate 101, the color blocking layer includes multiple color blockings, these color blockings can be included and arranged successively
Red color resistance, green color blocking and the blue color blocking of row, or red color resistance, green color blocking, blue color blocking including being arranged in order
With white color blocking.One of whole color blocking layer multiple units that region overlapping with light shield layer 11 is not formed a corresponding sub-pixel
12.The sub-pixel 12 can include transparency electrode 120, and transparency electrode 120 herein can be pixel electrode or public electrode,
Specifically, if pixel electrode is in the top of public electrode, this transparency electrode 120 is pixel electrode, whereas if common electrical
Pole is public electrode in the top of pixel electrode, then this transparency electrode 120.
Slit 120a is provided with above-mentioned transparency electrode 120, light shield layer 11 and slit 120a end is perpendicular to first
Overlapping region is formed on the direction (Z-direction i.e. shown in Fig. 2) of substrate 100, the width of the overlapping region is more than or equal to 2 μm.
It should be noted that the extension side of direction where width here perpendicular to the edge of light shield layer 11 corresponding to overlapping region
To.
In liquid crystal display panel provided herein, formed between the slit 120a of light shield layer 11 and transparency electrode 120
Overlapping region, the width of the overlapping region is more than or equal to 2 μm, and now, light shield layer can cover the end region of transparency electrode 120
Domain, and then improve contrast, reduce black state light leak.
It is previously mentioned, light shield layer 11 is upwardly formed overlapping with slit 120a end in the side perpendicular to first substrate 100
Region, the width of the overlapping region is more than or equal to 2 μm., can be with order to realize this scheme from the point of view of processing technology
Design the size of light shield layer 11 and transparency electrode 120 so that sub-pixel 12 corresponding to the slit 120a of the transparency electrode 120 with
There is equitant region, the width in the region is more than or equal to 2 μm between light shield layer 11.That is, except slit 120a
End beyond, on sub-pixel 12 at the position adjacent with slit 120a end also with light shield layer 11 have overlapping area
Domain, this measure can not only simplify the processing technology of liquid crystal display panel, can also expand the area of overlapping region so that overlay region
Domain is to preventing black state light leak from making bigger contribution.It should be noted that before the direction where width herein is also perpendicular to
State the bearing of trend at the edge of light shield layer 11 corresponding to overlapping region.
It is to be appreciated that the width everywhere of foregoing overlapping region can be all higher than 2 μm, now, the overlapping region it is each
The width at place can be with unequal so that the structure of the overlapping region formed essentially irregular structure.But for the ease of adding
Work, while improving in the performance of liquid crystal display panel, the embodiment of the present application, foregoing overlapping region can include strip region, edge
The bearing of trend of the strip region, the width everywhere of the strip region is equal.After being arranged such, light shield layer 11 and transparent
Electrode 120 can use regular texture, then reach object defined above.
Sub-pixel 12 relatively common at present can be divided into double farmland pixels shown in Fig. 2, and the single domain picture shown in Fig. 3
Transparency electrode in element, double farmland pixels can be divided into two parts, and the distribution arrangement of this two parts transparency electrode is not parallel to each other, and single
The distribution arrangement of each several part of transparency electrode in the pixel of farmland is then parallel to each other.
, can be according to the different liquid crystal display panel of different Demand Designs so that foregoing overlapping in actual design process
There are different structure types in region.Be listed herein below the set-up mode of several overlapping regions, but overlapping region structure type simultaneously
It is not limited to several embodiments described below, it would however also be possible to employ other modes.
Embodiment 1：
As shown in figure 5, slit 120a end is only in its corresponding transparency electrode along line direction (i.e. X-direction in Fig. 5)
Side edge and light shield layer 11 formation overlapping region.Specifically, for the sub-pixel 12 shown in Fig. 3, its side of being expert at
Have upwards in two relative edges, i.e. first edge 121 and second edge 122, this embodiment, slit 120a end can
With only at first edge 121 with light shield layer 11 formation overlapping region, can also only at second edge 122 with the shape of light shield layer 11
Into overlapping region.
Embodiment 2：
As shown in fig. 6, slit 120a end is only in its corresponding transparency electrode 120 along column direction (i.e. Y side in Fig. 6
To) side edge and light shield layer 11 formation overlapping region.Specifically, for the sub-pixel 12 shown in Fig. 3, it is in row
Have on direction in two relative edges, i.e. the 3rd edge 123 and the 4th edge 124, this embodiment, slit 120a end
Can only at the 3rd edge 123 with light shield layer 11 formation overlapping region, can also only at the 4th edge 124 with light shield layer 11
Form overlapping region.
Embodiment 3：
As shown in fig. 7, slit 120a end in its corresponding transparency electrode 120 along line direction (i.e. X-direction in Fig. 7)
Both sides of the edge at light shield layer 11 formation overlapping region.Specifically, for the sub-pixel 12 shown in Fig. 3, it is expert at
Have on direction in two relative edges, i.e. first edge 121 and second edge 122, this embodiment, slit 120a end
Overlapping region is formed at first edge 121 and second edge 122 with light shield layer 11.
Embodiment 4：
As shown in figure 8, slit 120a end in its corresponding transparency electrode 120 along column direction (i.e. Y-direction in Fig. 8)
Both sides of the edge at light shield layer 11 formation overlapping region.Specifically, for the sub-pixel 12 shown in Fig. 3, it is in row
Have on direction in two relative edges, i.e. the 3rd edge 123 and the 4th edge 124, this embodiment, slit 120a end
Overlapping region is formed at the 3rd edge 123 and the 4th edge 124 with light shield layer 11.
Embodiment 5：
As shown in Figure 9 and Figure 10, slit 120a end in its corresponding edge of transparency electrode 120 and shading
Layer 11 forms overlapping region.Specifically, for the sub-pixel 12 shown in Fig. 3, it is in the line direction (X i.e. in Fig. 9 and Figure 10
Direction) on there are two relative edges, i.e. first edge 121 and second edge 122, it is in column direction (i.e. in Fig. 9 and Figure 10
Y-direction) on there are two relative edges, i.e. the 3rd edge 123 and the 4th edge 124, first edge 121, the 3rd edge
123rd, head and the tail are connected at the edge 124 of second edge 122 and the 4th successively, form ring edge.Slit 120a end is on the first side
Edge 121, the 3rd edge 123, at the edge 124 of second edge 122 and the 4th with the formation of light shield layer 11 overlapping region, such as Fig. 9 institutes
Show.Similarly, for the sub-pixel 12 shown in Fig. 4, it also has four end to end edges, slit 120a end
Overlapping region is formed with light shield layer 11 in this four edges, as shown in Figure 10.Overlapping region formed in this embodiment
Around the circular directional spreding of foregoing ring edge.
Embodiment 6：
As shown in figure 11, intersection of the slit 120a end in its corresponding any two neighboring edge of transparency electrode 120
Place and the formation of light shield layer 11 overlapping region.Specifically, by taking the sub-pixel 12 shown in Fig. 4 as an example, it has two adjacent edges,
That is the 5th edge 125 and the 6th edge 126, slit 120a end the 5th edge 125 and the 6th edge 126 infall with
The formation of light shield layer 11 overlapping region.
In view of the area of the overlapping region formed in embodiment 5 is bigger, in the actual design stage, reality can be preferred to use
Apply the scheme described by example 5 so that liquid crystal display panel it is more difficult occur black state light leak the problem of.
When further, using any one of above-described embodiment 1-4, the sub-pixel 12 corresponding to slit 120a end
Vertical bar shaped region or folding bar-shaped zone can be included with the equitant region of light shield layer 11, to cause the face in equitant region
Product is bigger, more regular, and then is easy to simplify the processing technology of liquid crystal display panel, while lifting the property of liquid crystal display panel
Energy.
With such scheme similarly, during using above-described embodiment 6, the sub-pixel 12 corresponding to slit 120a end is with hiding
The equitant region of photosphere 11 can include delta-shaped region (as shown in figure 11) or sector region.
, can be with above-mentioned implementation in order to more fully illustrate the effect for the liquid crystal display panel that the embodiment of the present application is provided
Exemplified by example 3, the parameter to corresponding liquid crystal display panel is tested.Wherein, table one is the test obtained using analog form
Data (parameter of test is aperture opening ratio, transmitance, black state rate of change of brightness, white state rate of change of brightness, contrast rate of change), table
Two for obtained by being tested actual product data (parameter of test be aperture opening ratio, transmitance, black state brightness, white state brightness,
Contrast).
Table one
Table two
When the width of overlapping region is equal to 2 μm, from above-mentioned table one, the liquid crystal display obtained by way of simulation
The contrast rate of change of panel improves 10.9%, and transmitance is changed into 4.22% from 4.32%, only have dropped 0.1%；By table two
Understand, the contrast rate of change of actual liquid crystal display panel will lift 13.2%.Either analog case still surveys situation,
The transmitance of liquid crystal display panel and the decline degree of aperture opening ratio are all relatively small, and the lifting degree of contrast is then more than transmission
The decline degree of rate and aperture opening ratio.Therefore, the liquid crystal display panel that the embodiment of the present application is provided can be in transmitance and aperture opening ratio
Decline it is unconspicuous simultaneously, significantly improve contrast, reduce black state light leak.
Based on said structure, the embodiment of the present application also provides a kind of display device 900, and the display device 900 includes above-mentioned
Liquid crystal display panel described by any embodiment.Display device 900 can be mobile phone, tablet personal computer, wearable display device
Deng as shown in figure 12.It is appreciated that when display panel is liquid crystal display panel, display device 900 can also include backlight
Source, light guide plate, positioned at above-mentioned second substrate 101 (second substrate 101 can be array base palte) and above-mentioned first substrate 100
Structure known to liquid crystal layer, alignment film, protective glass between (first substrate 100 can be color membrane substrates) etc., herein not
Repeat again.
The preferred embodiment of the application is the foregoing is only, the application is not limited to, for the skill of this area
For art personnel, the application can have various modifications and variations.It is all within spirit herein and principle, made any repair
Change, equivalent substitution, improvement etc., should be included within the protection domain of the application.
Claims (11)
1. a kind of liquid crystal display panel, it is characterised in that including first substrate, second substrate, on the first substrate
Light shield layer and multiple sub-pixels arranged in determinant on the second substrate, the first substrate and described second
The opposing parallel arrangement of substrate, the sub-pixel includes transparency electrode, is provided with slit in the transparency electrode, the light shield layer with
The end of the slit is upwardly formed overlapping region in the side perpendicular to the first substrate, and the width of the overlapping region is more than
Or equal to 2 μm, the bearing of trend of direction where the width perpendicular to the light shield layer edge corresponding to the overlapping region.
2. liquid crystal display panel according to claim 1, it is characterised in that the sub-pixel corresponding to the slit with
The width in the equitant region of light shield layer is more than or equal to 2 μm.
3. liquid crystal display panel according to claim 1, it is characterised in that the overlapping region includes strip region, edge
The bearing of trend of the strip region, the width everywhere of the strip region is equal.
4. liquid crystal display panel according to claim 1, it is characterised in that the end of the slit is only in its corresponding institute
The side edge and the light shield layer for stating side edge or column direction of the transparency electrode along line direction form the overlay region
Domain.
5. liquid crystal display panel according to claim 1, it is characterised in that the end of the slit is corresponding described at its
Transparency electrode forms the overlapping region along at the both sides of the edge of the line direction or both sides of the edge of column direction with the light shield layer.
6. the liquid crystal display panel according to any one of claim 3-5, it is characterised in that the end institute of the slit is right
The sub-pixel answered includes vertical bar shaped region or folding bar-shaped zone with the equitant region of the light shield layer.
7. liquid crystal display panel according to claim 1, it is characterised in that the end of the slit is corresponding described at its
Transparency electrode edge forms the overlapping region with the light shield layer.
8. liquid crystal display panel according to claim 1, it is characterised in that the end of the slit is corresponding described at its
The infall of transparency electrode any two neighboring edge forms the overlapping region with the light shield layer.
9. liquid crystal display panel according to claim 8, it is characterised in that described corresponding to the end of the slit
Sub-pixel includes delta-shaped region or sector region with the equitant region of the light shield layer.
10. the liquid crystal display panel according to any one of claim 1-5,7-9, it is characterised in that the transparency electrode
For pixel electrode or public electrode.
11. a kind of display device, it is characterised in that including the liquid crystal display panel any one of claim 1-10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720186027.3U CN206610047U (en) | 2017-02-28 | 2017-02-28 | Liquid crystal display panel and display device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720186027.3U CN206610047U (en) | 2017-02-28 | 2017-02-28 | Liquid crystal display panel and display device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111580309A (en) * | 2020-06-18 | 2020-08-25 | 京东方科技集团股份有限公司 | Array substrate and display panel |
| WO2021189334A1 (en) * | 2020-03-25 | 2021-09-30 | 京东方科技集团股份有限公司 | Display panel and display device |
| CN113767328A (en) * | 2020-04-03 | 2021-12-07 | 京东方科技集团股份有限公司 | Display substrate, display panel and display device |
| US11682349B2 (en) | 2017-09-30 | 2023-06-20 | Boe Technology Group Co., Ltd. | Display substrate and display device |
-
2017
- 2017-02-28 CN CN201720186027.3U patent/CN206610047U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11682349B2 (en) | 2017-09-30 | 2023-06-20 | Boe Technology Group Co., Ltd. | Display substrate and display device |
| US11922879B2 (en) | 2017-09-30 | 2024-03-05 | Boe Technology Group Co., Ltd. | Display substrate and display device |
| WO2021189334A1 (en) * | 2020-03-25 | 2021-09-30 | 京东方科技集团股份有限公司 | Display panel and display device |
| CN113767328A (en) * | 2020-04-03 | 2021-12-07 | 京东方科技集团股份有限公司 | Display substrate, display panel and display device |
| CN113767328B (en) * | 2020-04-03 | 2023-10-17 | 京东方科技集团股份有限公司 | Display substrate, display panel and display device |
| CN111580309A (en) * | 2020-06-18 | 2020-08-25 | 京东方科技集团股份有限公司 | Array substrate and display panel |
| WO2021254435A1 (en) * | 2020-06-18 | 2021-12-23 | 京东方科技集团股份有限公司 | Array substrate and display panel |
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