CN103926737B - Color membrane substrates, display panels and liquid crystal indicator - Google Patents
Color membrane substrates, display panels and liquid crystal indicator Download PDFInfo
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- CN103926737B CN103926737B CN201310717998.2A CN201310717998A CN103926737B CN 103926737 B CN103926737 B CN 103926737B CN 201310717998 A CN201310717998 A CN 201310717998A CN 103926737 B CN103926737 B CN 103926737B
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Abstract
The invention discloses a kind of color membrane substrates, display panels and liquid crystal indicator.Described color membrane substrates includes red filter layer, green color filter, blue color filter layer and separates described red filter layer and the first light shield layer of green color filter, separates described green color filter and the second light shield layer of blue color filter layer, separates the 3rd light shield layer of described blue color filter layer and red filter layer, wherein, the width of described 3rd light shield layer is more than described first light shield layer and the width of described second light shield layer.Color membrane substrates, display panels and liquid crystal indicator that the embodiment of the present invention provides are by widening the width of the light shield layer between blue color filter layer and red filter layer, the colour cast making display panels substantially reduces, and improves the display effect of display panels.
Description
Technical field
The present invention relates to technical field of liquid crystal display, particularly relate to a kind of color membrane substrates, display panels and
Liquid crystal indicator.
Background technology
Thin Film Transistor-LCD (Thin Film Transistor Liquid Crystal Display,
It is called for short TFT-LCD) in product, fringe field switching technology (Fringe Field Switching is called for short FFS)
The opening of plane internal switch (In-Plane-Switching is called for short IPS) mode LCD can be improved
Rate and absorbance.
The liquid crystal display of FFS mode include public electrode and pixel electrode, public electrode and pixel electrode it
Between distance be controllable to less than upper lower glass substrate between distance, in order to can be in public electrode and pixel
Form fringing field between electrode, thus, it is possible to control to be positioned at the liquid crystal molecule above pixel electrode, overcome biography
Directly over the IPS liquid crystal display pixel electrode of system, electric field is vertical direction, and liquid crystal molecule is uncontrolled to be lacked
Fall into, substantially increase aperture opening ratio and the absorbance of liquid crystal display.
Although the liquid crystal display of FFS mode has the advantage of wide viewing angle, but, particularly with there being higher pixel
The liquid crystal display of the FFS mode of PPI, when visual angle is excessive, the picture that user observes there will be colour cast relatively
Big situation.Fig. 1 is the principle schematic that color offset phenomenon occurs in existing display panels.See Fig. 1,
Existing display panels includes tft array substrate 130, liquid crystal layer 120 and color membrane substrates 110.Color
Film substrate 110 includes the red filter layer 111 of spaced setting, green color filter 112, blue color filter layer
113.Color membrane substrates 110 also includes be arranged between described red filter layer and described green color filter first
Light shield layer 114, the second light shield layer (not shown) being arranged between green color filter and blue color filter layer
And the 3rd light shield layer 115 being arranged between blue color filter layer and red filter layer.But due to the first shading
Layer, the second light shield layer and the limited width of the 3rd light shield layer, should be by the backlight of red filter layer transmission
May be by the gap between data wire 131 and light shield layer by blue color filter layer or green color filter transmission.
Same, also should can pass through other colors by the backlight of blue color filter layer or green color filter transmission
Filter transmission.Thus cause visual angle bigger time, the color offset phenomenon of the liquid crystal display of FFS mode.
Fig. 2 shows the statistical result figure of the colour cast of the liquid crystal display of FFS mode.Wherein, Fig. 2 a is existing
There is the statistical result figure of other color colour mixtures in the display of some display panels time red；Fig. 2 b is existing
There is the statistical result figure of other color colour mixtures in display panels display time blue；Fig. 2 c is existing liquid crystal
There is the statistical result figure of other color colour mixtures in display floater display time green.In above-mentioned three figures, abscissa is
Different visual angles, vertical coordinate is the variable quantity of chromaticity coordinates.It can be seen that red display picture is mixed into
Green colour cast situation is the most serious, and the situation that blue display picture is mixed into green is taken second place.Next colour cast feelings
Condition sorts successively according to the order of severity, and redness is mixed into blueness, and blueness is mixed into redness, and green is mixed into blueness,
And green is mixed into redness.
But, owing to green display picture being mixed into the colour cast being mixed into redness in blueness and green display picture
Lesser extent, so comprehensively seeming, mixing mutually between redness and blueness is in FFS mode liquid crystal display
Main colour cast problem.
Summary of the invention
In view of this, the present invention proposes a kind of color membrane substrates, display panels and liquid crystal indicator, with
Reduce the colour cast of liquid crystal indicator.
First aspect, embodiments provides a kind of color membrane substrates, and described color membrane substrates includes red filter
Photosphere, green color filter, blue color filter layer and separate the first of described red filter layer and green color filter
Light shield layer, separate described green color filter and the second light shield layer of blue color filter layer, separate described blue filter
Layer and the 3rd light shield layer of red filter layer, wherein, the width of described 3rd light shield layer hides more than described first
Photosphere and the width of described second light shield layer.
Second aspect, embodiments provides a kind of display panels, described display panels bag
Include tft array substrate, liquid crystal layer, and as above color membrane substrates described in first aspect.
The third aspect, embodiments provides a kind of liquid crystal indicator, described liquid crystal indicator bag
Include the display panels as above described in second aspect.
Color membrane substrates, display panels and the liquid crystal indicator that the embodiment of the present invention provides, by increasing
The width of the light shield layer between red filter layer and blue color filter layer, reduces and occurs because light shield layer is narrow
Colour cast, promotes the color rendering effect of liquid crystal indicator.
Accompanying drawing explanation
The detailed description that non-limiting example is made made with reference to the following drawings by reading, the present invention
Other features, objects and advantages will become more apparent upon:
Fig. 1 is the principle schematic that color offset phenomenon occurs in existing display panels；
Fig. 2 a is the statistical result figure occurring other color colour mixtures during existing display panels display redness；
Fig. 2 b is the statistical result figure occurring other color colour mixtures during existing display panels display blueness；
Fig. 2 c is that existing display panels shows that green is the statistical result figure of other color colour mixtures occur；
Fig. 3 is that the embodiment of the present invention one reduces the colour cast of liquid crystal indicator by increasing the width of light shield layer
Principle schematic；
Fig. 4 is the sectional view of the color membrane substrates that the embodiment of the present invention one provides；
Fig. 5 is the sectional view of the color membrane substrates that the embodiment of the present invention two provides；
Fig. 6 is the position of embodiment of the present invention threeway toning entire data line and reduces the colour cast of liquid crystal indicator
Principle schematic；
Fig. 7 is the sectional view of the display panels that the embodiment of the present invention three provides；
Fig. 8 is the partial enlarged drawing in the cross section of the display panels that the embodiment of the present invention three provides；
Fig. 9 is the sectional view of the display panels that the embodiment of the present invention four provides；
Figure 10 is the partial enlarged drawing in the cross section of the display panels that the embodiment of the present invention four provides；
Figure 11 is the upward view of the liquid crystal indicator that the embodiment of the present invention five provides.
Detailed description of the invention
The present invention is described in further detail with embodiment below in conjunction with the accompanying drawings.It is understood that this
Specific embodiment described by place is only used for explaining the present invention, rather than limitation of the invention.Further need exist for
Illustrate, for the ease of describing, accompanying drawing illustrate only part related to the present invention and not all in
Hold.
Embodiment one
Fig. 3 is that the embodiment of the present invention one reduces the colour cast of liquid crystal indicator by increasing the width of light shield layer
Principle schematic.Seeing Fig. 3, display panels includes tft array substrate 330, color membrane substrates 310
And the liquid crystal layer 320 being disposed there between.Back light is arranged on tft array substrate 330 below (in figure
Not shown).Color membrane substrates 310 includes the first color filter layer 311, the second color filter layer 312, and
It is arranged on the light shield layer 313 between the first color filter layer 311 and the second color filter layer 312.Tft array
Be provided with data wire 331 on the upper surface of substrate 330, and data wire 331 with light shield layer 313 just to parallel
Arrange.
When with the first color filter layer 311 just to arrange tft array unit on apply driving voltage time,
The driving electricity that liquid crystal molecule between first color filter layer 311 and tft array unit produces at driving voltage
Under the driving of field, deflect, back light the light launched transmits from the first color filter layer 311
Come, the sub-pixel for emitting light corresponding with the first color filter layer 311, show that the first color filter layer 311 is corresponding
Color.
But, when backlight transmits from the first color filter layer 311 when, also have a small amount of backlight from screening
Small gaps injection between photosphere 313 and data wire 331, and then by the second color filter layer 312 transmission.
Thus cause the colour cast problem of display panels.
Seeing Fig. 3, if increased by the width of light shield layer, then the light that back light sends will be from the second color
Color filter layer 312 transmission then needs to deflect bigger angle, thus from the second color filter layer 312 transmission
The intensity of light can be lowered.
Fig. 4 is the sectional view of the color membrane substrates that the embodiment of the present invention one provides.Color membrane substrates includes spaced
Red filter layer 401, green color filter 402 and the blue color filter layer 403 arranged.Color membrane substrates also includes
Separate red filter layer 401 and the first light shield layer 404 of green color filter 402, separate green color filter 402
With the second light shield layer 405 of blue color filter layer 403 and separate blue color filter layer 403 and red filter layer 401
The 3rd light shield layer 406.Wherein, the width of the 3rd light shield layer 406 hides more than the first light shield layer 404 and second
The width of photosphere 405, and the width of the width of the first light shield layer 404 and the second light shield layer 405 is equal.
Preferably, the width of the first light shield layer 404 and the width of the second light shield layer 405 are equal, and 3
Micron is to value between 5.5 microns.It is further preferred that the first light shield layer 404 and the second light shield layer 405
Width be all 5.25 microns.
The width of the 3rd light shield layer 406 is 4 microns to 6 microns.Preferably, the width of the 3rd light shield layer 406
Degree is 6 microns.
In addition, it is necessary to explanation, the value of the width range of above light shield layer is based on current color film base
Depending on the preparation technology of plate, but the present embodiment is not limited to this.
Preferably, light shield layer is black matrix".
The present embodiment according to the colour cast characteristic of the liquid crystal display of FFS mode, by increase red filter layer and
The width of the light shield layer between blue color filter layer, reduces mixing mutually between red light and blue light, and then fall
The low colour cast of display panels, improves the color displays performance of display panels.
Embodiment two
Fig. 5 is the sectional view of the color membrane substrates that the embodiment of the present invention two provides.The present embodiment is with above-described embodiment
Based on, further, in the color membrane substrates that the present embodiment provides, separate red filter layer and green filter
The width of the first light shield layer 504 of photosphere is more than the second light shield layer separating green color filter and blue color filter layer
The width of 505.
Mutually mixed the most serious due between blue light and red light, the most mixed time between red light and green light
It, mixing mutually between green light and blue light is the lightest, so that separate blue color filter layer and red filter layer
The width of the 3rd light shield layer the widest, separate the width of the first light shield layer of red filter layer and green color filter
Take second place, and the width separating the second light shield layer of green color filter and blue color filter layer is the narrowest, to change further
The colour cast of kind liquid crystal indicator.
Preferably, the value of the width of the width of the first light shield layer 504 and the second light shield layer 505 is all micro-3
Rice is between 5.5 microns.
It is further preferred that the width of the first light shield layer 504 is 5.5 microns, and the second light shield layer 505
Width is 5 microns.
It should be noted that the value of the width range of above light shield layer is system based on current color membrane substrates
Depending on standby technique, but the present embodiment is not limited to this.
The present embodiment is according to the colour cast characteristic of the liquid crystal display of FFS mode, by adjusting difference filter further
Between photosphere, the width distribution of light shield layer, reduce further the colour cast of display panels, improves liquid crystal
The color displays performance of display floater.
Embodiment three
Fig. 6 is the position of embodiment of the present invention threeway toning entire data line and reduces the colour cast of liquid crystal indicator
Principle schematic.Seeing Fig. 6, display panels includes tft array substrate 630, color membrane substrates 610
And the liquid crystal layer 620 being disposed there between.Color membrane substrates 610 includes the first color filter layer 611 and
Two color filter layers 612.By the light just with the first color of the first color filter layer 611 transmission, and by
The light just with the second color of the second color filter layer 612 transmission.The first color filter layer 611 He
It is provided with light shield layer 613 between second color filter layer 612.Tft array substrate 630 is formed with data
Line 631.Data wire 631 and the opposing parallel setting of light shield layer.
After the tft array unit being oppositely arranged with the first color filter layer 611 is applied in driving voltage, by
The backlight of back light outgoing can form the outgoing with the first color from the first color filter layer 611 transmission
Light.But meanwhile, also have a part of back from the second color filter layer 612 transmission, form a small amount of having
The emergent light of the second color.Material is thus formed the colour mixture of the second color pair and the first color.
In like manner, it is applied in driving voltage when the tft array unit being oppositely arranged with the second color filter layer 612
After, also can form first color colour mixture to the second color.
Owing to, in display panels, the transmission performance of the light of different color is different, and the first color is to second
The light intensity of the colour mixture light of color is typically not equal to second color light intensity to the colour mixture light of the first color.False
If the first color to the light intensity of the colour mixture light of the second color more than the second color to the colour mixture light of the first color
Light intensity, then, if data wire being arranged on the position closer to the first color filter layer 611, then
The colour mixture light of the second color is wanted transmission to be accomplished by bigger deflection angle by the first color, this will due to reduction
The colour cast of liquid crystal indicator.
Fig. 7 is the sectional view of the display panels that the embodiment of the present invention three provides.See Fig. 7, liquid crystal display
Panel includes tft array substrate 730, liquid crystal layer 720 and color membrane substrates 710.Color membrane substrates 710 includes
Red filter layer 711, green color filter 712, blue color filter layer 713 and separate red filter layer and green
First light shield layer 714 of filter layer, separate green color filter and the second light shield layer 715 of blue color filter layer, every
Open the 3rd light shield layer 716 of blue color filter layer and red filter layer.Wherein, the width of the 3rd light shield layer 716 is big
In the width of the first light shield layer 714, and alternatively, the width of the first light shield layer 714 is more than the second shading
The width of layer 715.
Tft array substrate 730 includes the first data wire the 731, second data wire 732 and the 3rd data wire
733.First data wire 731 is oppositely arranged with the first light shield layer 714.Second data wire 732 and the second shading
Layer 715 is oppositely arranged.3rd data wire 733 is oppositely arranged with the 3rd light shield layer 716.
Relative to the centrage of the first light shield layer 714, the centrage of the first data wire 731 is in the horizontal direction
It is closer to the side of red filter layer 711.Further, the centrage of the 3rd data wire 733 and the 3rd shading
The centrage of layer 716 overlaps in the horizontal direction.
Fig. 8 is the partial enlarged drawing in the cross section of the display panels that the embodiment of the present invention three provides.See figure
8, the first light shield layer 714 is used for separating red filter layer 711 and green color filter 712.Hide relative to first
The centrage of photosphere 714, the centrage of the first data wire 731 is closer to red filter in the horizontal direction
The side of layer.Preferably, relative to the centrage of the first light shield layer 714, the center of the first data wire 731
Line is more than 0.25 micron close to distance a of red filter layer 711 side in the horizontal direction.The most excellent
Choosing, relative to the centrage of the first light shield layer 714, the centrage of the first data wire 731 is in the horizontal direction
Upper close and red filter layer 711 side distance a is 0.5 micron.
It should be noted that the value of above distance be based on the preparation technology of current color membrane substrates depending on
, but the present embodiment is not limited to this.
The present embodiment is by the data wire that will be in the horizontal direction between red filter layer and green color filter
Arrange closer to red filter layer, reduce red display picture and be mixed into the colour cast of green, further
Reduce the colour cast of display panels, improve the color displays performance of display panels.
Embodiment four
Fig. 9 is the sectional view of the display panels that the embodiment of the present invention four provides.See Fig. 9, with the present invention
Embodiment three is identical, and display panels includes tft array substrate 930, liquid crystal layer 920 and color membrane substrates
910.Color membrane substrates 910 also includes red filter layer 911, green color filter 912 and blue color filter layer
913.Color membrane substrates 910 the most also includes the first light shield layer 914, second for separating different color filter layer
Light shield layer 915 and the 3rd light shield layer 916.First light shield layer the 914, second light shield layer 915 and the 3rd hides
The photosphere 916 position in color membrane substrates 910 is identical with the embodiment of the present invention three with effect.
The present embodiment is with the difference of the embodiment of the present invention three, relative in the second light shield layer 915
Heart line, the centrage of the second data wire 932 is closer to the side of blue color filter layer in the horizontal direction.And
And, the centrage of the 3rd data wire 933 and the centrage of the 3rd light shield layer 916 overlap in the horizontal direction.
Figure 10 is the partial enlarged drawing in the cross section of the display panels that the embodiment of the present invention four provides.See figure
10, relative to the centrage of the second light shield layer 915, the centrage of the second data wire 932 is in the horizontal direction
Distance b close to blue color filter layer 913 side is more than 0.25 micron.Preferably, relative to the second shading
The centrage of layer 915, the centrage of the second data wire 932 is in the horizontal direction close to blue color filter layer 913
Distance b of side is 0.75 micron.First data wire the 931, second data wire 932 and the 3rd data wire 933
Width be 1.5 microns to 4 microns.
It should be noted that the value of above distance be based on the preparation technology of current color membrane substrates depending on
, but the present embodiment is not limited to this.
The present embodiment is by the data wire that will be in the horizontal direction between green color filter and blue color filter layer
Arrange closer to blue color filter layer, reduce blue display picture and be mixed into the colour cast of green, further
Reduce the colour cast of display panels, improve the color displays performance of display panels.
Embodiment five
The present embodiment provides a kind of liquid crystal indicator.Liquid crystal indicator include such as the embodiment of the present invention three or
The display panels of embodiment four.
Figure 11 is the upward view of the liquid crystal indicator that the embodiment of the present invention five provides.See Figure 11, liquid crystal
Showing device includes framework 1101, frame-type overcoat 1102 and display screen 1103.Framework 1101 is liquid crystal
The outer framework of showing device is for the miscellaneous part of fixative crystal device.Frame-type overcoat 1102 is in
Between framework and display screen, play the effect of buffering.Display screen 1103 is used to show the parts of image.
The invention described above embodiment sequence number, just to describing, does not represent the quality of embodiment.
Each embodiment in this specification all uses the mode gone forward one by one to describe, and each embodiment stresses
Being all the difference with other embodiments, the identical similar part between each embodiment sees mutually i.e.
Can.
Finally, in addition it is also necessary to explanation, in this article, the relation of such as first and second or the like only belongs to
Only be used for by an entity or operation separate with another entity or operating space, and not necessarily require or
Person implies relation or the order that there is any this reality between these entities or operation.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for this area skill
For art personnel, the present invention can have various change and change.All institutes within spirit and principles of the present invention
Any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (11)
1. a display panels, including tft array substrate, liquid crystal layer and color membrane substrates, described coloured silk
Film substrate include red filter layer, green color filter, blue color filter layer and separate described red filter layer and
First light shield layer of green color filter, separate described green color filter and the second light shield layer of blue color filter layer,
Separate the 3rd light shield layer of described blue color filter layer and red filter layer, it is characterised in that:
The width of described 3rd light shield layer is more than described first light shield layer and the width of described second light shield layer；
Described tft array substrate includes the first data wire, the second data wire, the 3rd data wire；Described first
Data wire is oppositely arranged with described first light shield layer；Described second data wire is relative with described second light shield layer to be set
Put；Described 3rd data wire is oppositely arranged with described 3rd light shield layer；
Relative to the centrage of described first light shield layer, the centrage of described first data wire is in the horizontal direction
It is closer to the side of red filter layer.
Display panels the most according to claim 1, it is characterised in that described second light shield layer
Width less than the width of described first light shield layer.
Display panels the most according to claim 1, it is characterised in that described first light shield layer
And second the width of light shield layer be 3 microns to 5.5 microns；
The width of described 3rd light shield layer is 4 microns to 6 microns.
Display panels the most according to claim 3, it is characterised in that described first shading
Layer, the second light shield layer and the 3rd light shield layer are black matrix".
5. according to the arbitrary described display panels of claim 1-4, it is characterised in that
Relative to the centrage of described first light shield layer, the centrage of described first data wire is in the horizontal direction
Distance close to red filter layer side is more than 0.25 micron.
6. according to the arbitrary described display panels of claim 1-4, it is characterised in that
Relative to the centrage of described second light shield layer, the centrage of described second data wire is in the horizontal direction
Side closer to blue color filter layer.
Display panels the most according to claim 6, it is characterised in that
Relative to the centrage of described second light shield layer, the centrage of described second data wire is in the horizontal direction
Distance close to blue color filter layer side is more than 0.25 micron.
Display panels the most according to claim 1, it is characterised in that
The centrage of described 3rd data wire overlaps in the horizontal direction with the centrage of described 3rd light shield layer.
Display panels the most according to claim 8, it is characterised in that described first data
The width of line, the second data wire and the 3rd data wire is 1.5 microns to 4 microns.
Display panels the most according to claim 8, it is characterised in that described first shading
Layer, the second light shield layer and the 3rd light shield layer are black matrix".
11. 1 kinds of liquid crystal indicators, including the LCD as described in claim 1-10 is arbitrary
Plate.
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| CN201310717998.2A CN103926737B (en) | 2013-12-23 | 2013-12-23 | Color membrane substrates, display panels and liquid crystal indicator |
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| CN201310717998.2A CN103926737B (en) | 2013-12-23 | 2013-12-23 | Color membrane substrates, display panels and liquid crystal indicator |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105278152B (en) * | 2015-11-12 | 2018-07-27 | 深圳市华星光电技术有限公司 | Improve the liquid crystal display of big visual angle colour cast |
| KR20180078390A (en) * | 2016-12-29 | 2018-07-10 | 삼성디스플레이 주식회사 | Color conversion panel and display device comprising the same |
| CN107024811B (en) * | 2017-06-08 | 2019-12-27 | 厦门天马微电子有限公司 | Display panel and display device |
| CN107024794B (en) * | 2017-06-08 | 2020-06-09 | 厦门天马微电子有限公司 | Display panel and display device |
| CN110161741A (en) * | 2018-08-24 | 2019-08-23 | 京东方科技集团股份有限公司 | Color membrane substrates and its manufacturing method, display device |
| CN109343263B (en) * | 2018-10-29 | 2020-09-01 | 深圳市华星光电技术有限公司 | COA type liquid crystal display |
| CN109884819A (en) * | 2019-04-15 | 2019-06-14 | 深圳市华星光电技术有限公司 | Liquid crystal display panel and liquid crystal display device |
| CN110928023A (en) * | 2019-11-26 | 2020-03-27 | 武汉华星光电技术有限公司 | Color film substrate and display panel |
| CN115728984A (en) * | 2022-11-28 | 2023-03-03 | 厦门天马微电子有限公司 | Display panel and preparation method thereof |
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