CN106918950A - A kind of display base plate and display device - Google Patents
A kind of display base plate and display device Download PDFInfo
- Publication number
- CN106918950A CN106918950A CN201710334864.0A CN201710334864A CN106918950A CN 106918950 A CN106918950 A CN 106918950A CN 201710334864 A CN201710334864 A CN 201710334864A CN 106918950 A CN106918950 A CN 106918950A
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- base plate
- display base
- adjustment layer
- subpixel areas
- subpixel
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133514—Colour filters
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Liquid Crystal (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Filters (AREA)
Abstract
The present invention relates to display technology field, a kind of display base plate and display device are disclosed.The display base plate includes the figure of the adjustment layer positioned at each subpixel area, and the thickness of the adjustment layer in the subpixel area of transmission different colours light is different, box for adjusting subpixel area is thick, to cause the optical path difference of the light through all subpixel areas identical, and then so that identical through the light penetration of all subpixel areas of the display device, it is ensured that display quality.And only need to increase adjustment layer, it is easy to implement in structure.
Description
Technical field
The present invention relates to display technology field, more particularly to a kind of display base plate and display device.
Background technology
The agent structure of liquid crystal display device is the first display base plate and the second display base plate to box, and is filled in
Liquid crystal between one display base plate and the second display base plate, and transmission different colours light is set by different subpixel region
Filter layer realize colored display.
Current lcd technology, corresponding box thickness (thickness of liquid crystal) of filter layer of different colours is consistent, but different
The light of wavelength, because liquid crystal is different to the optically-active amount of the light of different wave length, causes optical path difference different through after liquid crystal, so that
Cause the light penetration difference of the sub-pixel of different colours, it is necessary to by after actual test, being adjusted with circuit algorithm, often
The batch of output one is required for being tested and being adjusted, it is necessary to spend time and relatively costly.
The content of the invention
The present invention provides a kind of display base plate and display device, is used to solve the sub-pixel area of the different colours of display device
The light penetration in domain is different, influences the problem of display quality.
In order to solve the above technical problems, a kind of display base plate is provided in the embodiment of the present invention, it is described aobvious for display device
Show that device includes multiple pixel regions, each pixel region includes multiple subpixel areas, and the display base plate includes：
Tune in the figure of the adjustment layer of each subpixel area, and the subpixel area of transmission different colours light
The thickness of flood is different, to cause the light penetration of all subpixel areas through the display device identical.
A kind of display device is also provided in the embodiment of the present invention, including to the first display base plate of box and the second display base
Plate, and the liquid crystal between first display base plate and the second display base plate is filled in, the display device includes multiple pictures
Plain region, each pixel region includes multiple subpixel areas, and first display base plate uses display base plate as described above,
The adjustment layer is arranged on the surface near liquid crystal of the substrate of first display base plate, transmits the sub- picture of different colours light
The thickness of the adjustment layer in plain region is different, to adjust first display base plate and each sub-pixel of the second display base plate correspondence
The spacing distance in region, makes the light penetration through all subpixel areas identical.
Above-mentioned technical proposal of the invention has the beneficial effect that：
In above-mentioned technical proposal, subpixel area is adjusted by setting adjustment layer in the subpixel area of display device
Box it is thick, to cause the optical path difference of the light through all subpixel areas identical, and then cause through the display device
The light penetration of all subpixel areas is identical, it is ensured that display quality.And only need to increase adjustment layer, reality is easy in structure
It is existing.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
Other accompanying drawings are obtained with according to these accompanying drawings.
Fig. 1 represents the structural representation of display base plate in the embodiment of the present invention；
Fig. 2 represents the structural representation of display device in the embodiment of the present invention；
Fig. 3 represents the corresponding relation figure between the box thickness of subpixel area and the light penetration of different colours.
Specific embodiment
The present invention provides a kind of display base plate, for colored liquid crystal display device in, the liquid crystal display device includes
Multiple pixel regions, each pixel region includes multiple subpixel areas, and each subpixel area transmits the light of particular color,
The multiple sub-pixel is used to coordinate realizes colored display.The box of the subpixel area of the display base plate correspondence different colours is thick
(thickness of liquid crystal of correspondence filling) is different so that different wave length light is consistent by the optical path difference after liquid crystal, so that different
The light penetration of the subpixel area of color is consistent, it is ensured that display quality.
The box thickness of each subpixel area being related in herein below each means the thickness of the liquid crystal of subpixel area filling
Degree.
Below in conjunction with drawings and Examples, specific embodiment of the invention is described in further detail.Following reality
Example is applied for illustrating the present invention, but is not limited to the scope of the present invention.
A kind of display base plate is provided with reference to shown in Fig. 1 and Fig. 2, in the present embodiment, for display device.The display device
Including multiple pixel regions, each pixel region includes multiple subpixel areas, each subpixel area transmission particular color
Light.Each pixel region can specifically include the red subpixel areas 101 of transmission red light, transmit the green of green light
The blue subpixel areas 103 of sub-pixels region 102 and transmitting blue light, can also include the white of transmission white light
The yellow sub-pixel region of subpixel area or transmission yellow light, to realize colored display.Certainly, it is colored aobvious in order to realize
Show, the subpixel area combination of each pixel region is not limited to a kind of above-mentioned form, will not enumerate herein.
The display base plate includes substrate 100 and is arranged in substrate 100 and positioned at the adjustment layer 1 of each subpixel area
Figure, and the thickness of the adjustment layer 1 in the subpixel area of transmission different colours light is different, to cause to pass through the display
The light penetration of all subpixel areas of device is identical.
Above-mentioned technical proposal sets adjustment layer by subpixel area, the subpixel area for adjusting display device
Box is thick so that the optical path difference through the light of all subpixel areas is identical, and then causes through all of the display device
The light penetration of subpixel area is identical, it is ensured that display quality.And only need to increase adjustment layer, it is easy to implement in structure.
For lcd technology, transmission particular color light is set by each subpixel area of display base plate
The figure of filter layer realizes the light of color needed for the transmission of each subpixel area.For example：In red subpixel areas 101
Red filter layer 11 is set, green color filter 12 is set in green subpixel areas 102, set in blue subpixel areas 103
Blue color filter layer 13.
Specifically, for each subpixel area, the filter layer can be arranged on adjustment layer 1 away from display base plate
The surface of substrate 100, adjustment layer 1 can provide flat surface for the filter layer.Certain filter layer can also be set
In the side of the substrate near display base plate of the adjustment layer.Because the filter layer and adjustment layer are arranged on same display base
On plate, aligning accuracy is high, by can effectively ensure that the transmitance of light of different colours is identical after the adjustment of the adjustment layer.
In order to ensure normal display, it is necessary to set the light penetration of each subpixel area more than 10%, do not considering
In the case that material is limited, the light penetration of subpixel area is the bigger the better, and advantageously reduces power consumption.
The corresponding relation between the transmitance of different colours light and the box thickness of subpixel area is illustrated in Fig. 3.In figure
Solid line represent corresponding relation between the box thickness of red light and subpixel area, dotted line represents green light and sub-pixel area
Corresponding relation between the box thickness in domain, chain-dotted line represents the corresponding relation between blue ray and the box thickness of subpixel area.
According to the relation that Fig. 3 illustrates, when each pixel region of display base plate includes the red sub- picture of transmission red light
During the blue subpixel areas 103 in plain region 101, the green subpixel areas 102 of transmission green light and transmitting blue light,
The thickness of the adjustment layer 1 in setting red subpixel areas 101 is more than the thickness with the adjustment layer 1 in green subpixel areas 102
Degree, the thickness of the adjustment layer 1 in green subpixel areas 102 is more than the thickness with the adjustment layer 1 in blue subpixel areas 103
Degree, to ensure the light penetration phase of red subpixel areas 101, green subpixel areas 102 and blue subpixel areas 103
Together, with reference to shown in Fig. 1 and Fig. 2.
Can specifically set：The thickness of the adjustment layer 1 in red subpixel areas 101 is 7000~1300 angstroms, green
The thickness of the adjustment layer 1 in pixel region 102 is 6000 angstroms, and the thickness of the adjustment layer 1 in blue subpixel areas 103 is 1000
~5000 angstroms.Certainly, this is a kind of concrete implementation structure, can also be arranged as required to the tune in each subpixel area
The thickness of flood, as long as meeting above-mentioned relation.
For the subpixel area for transmiting other color lights, equally can be according to the transmitance of different colours light and son
Corresponding relation between the box thickness of pixel region sets the thickness of the adjustment layer in each subpixel area, with needed for obtaining
Box it is thick.
Other structures as display base plate refer to prior art, for example：When the display base plate is thin film transistor (TFT) battle array
During row substrate, the display base plate is also including thin film transistor (TFT), insulation system, pixel electrode etc.；When the display base plate is coloured silk
During ilm substrate, the display base plate will not be described in detail herein also including black matrix etc..
As shown in Fig. 2 a kind of display device is also provided in the present embodiment, including to the first display base plate 10 and second of box
Display base plate 20, and it is filled in the liquid crystal (not shown) between the first display base plate 10 and the second display base plate 20.Institute
Stating display device includes multiple pixel regions, and each pixel region includes multiple subpixel areas, each subpixel area transmission
The light of particular color, the multiple subpixel area coordinates realizes colored display.
Wherein, the first display base plate 10 uses display base plate as described above, and adjustment layer 1 is arranged on the first display base
The surface of the close liquid crystal (i.e. near the second display base plate 20) of the substrate 100 of plate 10, transmits the sub-pixel of different colours light
The thickness of the adjustment layer 1 in region is different, to adjust the first display base plate 10 and each sub-pixel of the correspondence of the second display base plate 20
Spacing distance (the d illustrated in such as Fig. 2 in region1、d2、d3), so that it is identical through the light penetration of all subpixel areas,
Ensure display quality.And only need to increase adjustment layer, it is easy to implement.
For liquid crystal display device, the first display base plate 10 can be array base palte, or color membrane substrates.Color film base
Each subpixel area of plate is provided with the figure of the filter layer of transmission particular color light to realize transmiting the light of required color
Line.For example：Red filter layer is set in red subpixel areas, green color filter is set in green subpixel areas, in blueness
Subpixel area sets blue color filter layer.
In the present embodiment, adjustment layer 1 and the filter layer are arranged on same display base plate, and aligning accuracy is high, by adjusting
Can effectively ensure that the transmitance of the light of different colours is identical after the adjustment of flood.
Wherein, filter layer can be arranged on the surface of the close display device display side of adjustment layer.Tune can also be arranged on
The side that side is shown away from display device of flood.
It should be noted that the filter layer and adjustment layer can also be arranged on the different display base plates of display device,
That is, adjustment layer is arranged on the surface of the close liquid crystal (i.e. near the second display base plate) of the substrate of the first display base plate, filter layer
It is arranged on the second display base plate.
In a specific embodiment, the first display base plate 10 is the array base palte of liquid crystal display device, adjustment layer 1
It is arranged on the first display base plate 10 with the filter layer, aligning accuracy is high, is can effectively ensure that by after the adjustment of adjustment layer 1
The transmitance of the light of different colours is identical.Further, the filter layer can be arranged on the close display device of adjustment layer 1
The surface of side is shown, adjustment layer 1 can provide flat surface for the filter layer.
In order to ensure normal display, it is necessary to set the light penetration of each subpixel area more than 10%, not
In the case of considering that material is limited, the light penetration of subpixel area is the bigger the better, and is beneficial to reduction power consumption.
It is shown in Figure 2, red subpixel areas 101, green subpixel areas 102 and indigo plant are included with each pixel region
As a example by sub-pixels region 103, the thickness for setting the adjustment layer 1 in red subpixel areas 101 is more than and green sub-pixels area
The thickness of the adjustment layer 1 in domain 102, the thickness of the adjustment layer 1 in green subpixel areas 102 is more than and blue subpixel areas
The thickness of the adjustment layer 1 in 103, to ensure red subpixel areas 101, green subpixel areas 102 and blue subpixels area
The light penetration in domain 103 is consistent.
It is specifically as follows：The thickness of the adjustment layer in red subpixel areas 101 is 7000~1300 angstroms, the first display base
First spacing distance d of the correspondence of 10 and second display base plate of plate 20 red subpixel areas 1011It is 2.8~3.4um；
The thickness of the adjustment layer in green subpixel areas 102 is 6000 angstroms, and the first display base plate 10 and second shows base
Second spacing distance d of the correspondence green subpixel areas 102 of plate 202It is 3.55um；
The thickness of the adjustment layer in blue subpixel areas 103 is 1000~5000 angstroms, the first display base plate 10 and second
3rd spacing distance d of the correspondence blue subpixel areas 103 of display base plate 203It is 3.6~4.2um.
The corresponding box of the subpixel area of different colours is thick different in said structure, ensure that the light of all colours is saturating
The light penetration for crossing display device is identical, it is ensured that display quality.
Certainly, this is a kind of concrete implementation structure, can also be arranged as required to the tune in each subpixel area
The thickness of flood, as long as meeting above-mentioned relation.
For the subpixel area of different colours, different adjustment layer thickness can cause the capacitance of storage capacitance different.
When with thin film transistor (TFT) as driving element, in order to ensure display quality, the subpixel area of transmission different colours light is set
The ON state current of interior thin film transistor (TFT) is different so that the charging of all subpixel areas is consistent, including when charge volume and charging
Between.
Can specifically be made by adjusting the channel width-over-length ratio of the corresponding thin film transistor (TFT) of the subpixel area of different colours
The charging for obtaining all subpixel areas is consistent.Principle is：The channel width-over-length ratio of thin film transistor (TFT) is bigger, and ON state current is big, charges
Faster, the charge volume in same time is bigger.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, on the premise of the technology of the present invention principle is not departed from, some improvement and replacement can also be made, these improve and replace
Also should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of display base plate, for display device, the display device includes multiple pixel regions, and each pixel region includes
Multiple subpixel areas, it is characterised in that the display base plate includes：
Adjustment layer in the figure of the adjustment layer of each subpixel area, and the subpixel area of transmission different colours light
Thickness it is different, to cause the light penetration of all subpixel areas through the display device identical.
2. display base plate according to claim 1, it is characterised in that the display base plate also includes：
Positioned at each subpixel area, the figure of filter layer for transmiting particular color light.
3. display base plate according to claim 2, it is characterised in that for each subpixel area, the filter layer sets
Put the surface of the substrate away from display base plate in the adjustment layer.
4. display base plate according to claim 1, it is characterised in that the light penetration of each subpixel area is big
In 10%.
5. display base plate according to claim 4, it is characterised in that each pixel region at least includes transmission red light
Red subpixel areas, transmission green light green subpixel areas and transmitting blue light blue subpixel areas；
The thickness of the adjustment layer in red subpixel areas is more than the thickness with the adjustment layer in green subpixel areas, green
The thickness of the adjustment layer in pixel region is more than the thickness with the adjustment layer in blue subpixel areas.
6. display base plate according to claim 5, it is characterised in that the thickness of the adjustment layer in red subpixel areas is
7000~1300 angstroms, the thickness of the adjustment layer in green subpixel areas is 6000 angstroms, the adjustment layer in blue subpixel areas
Thickness be 1000~5000 angstroms.
7. a kind of display device, including to first display base plate and the second display base plate of box, and be filled in described first and show
Show the liquid crystal between substrate and the second display base plate, the display device includes multiple pixel regions, and each pixel region includes
Multiple subpixel areas, it is characterised in that first display base plate is using the display base described in claim any one of 1-6
Plate, the adjustment layer is arranged on the surface near liquid crystal of the substrate of first display base plate, transmission different colours light
The thickness of the adjustment layer in subpixel area is different, to adjust first display base plate and each son of the second display base plate correspondence
The spacing distance of pixel region, makes the light penetration through all subpixel areas identical.
8. display device according to claim 7, it is characterised in that the display device also includes：
Positioned at each subpixel area, the figure of filter layer for transmiting particular color light, the filter layer is arranged on institute
State on the first display base plate or the second display base plate.
9. display device according to claim 8, it is characterised in that each pixel region includes the red of transmission red light
The blue subpixel areas in sub-pixels region, the green subpixel areas of transmission green light and transmitting blue light；
The thickness of the adjustment layer in red subpixel areas is 7000~1300 angstroms, and first display base plate and second shows base
The spacing distance of plate correspondence red subpixel areas is 2.8~3.4um；
The thickness of the adjustment layer in green subpixel areas is 6000 angstroms, and first display base plate and the second display base plate are corresponding
The spacing distance of green subpixel areas is 3.55um；
The thickness of the adjustment layer in blue subpixel areas is 1000~5000 angstroms, and first display base plate and second shows base
The spacing distance of plate correspondence blue subpixel areas is 3.6~4.2um.
10. display device according to claim 7, it is characterised in that the display device also includes：
Thin film transistor (TFT) in each subpixel area, transmits the film crystal in the subpixel area of different colours light
The ON state current of pipe is different.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710334864.0A CN106918950B (en) | 2017-05-12 | 2017-05-12 | Display substrate and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710334864.0A CN106918950B (en) | 2017-05-12 | 2017-05-12 | Display substrate and display device |
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| CN106918950A true CN106918950A (en) | 2017-07-04 |
| CN106918950B CN106918950B (en) | 2020-10-30 |
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| CN201710334864.0A Active CN106918950B (en) | 2017-05-12 | 2017-05-12 | Display substrate and display device |
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Cited By (7)
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| CN109581726A (en) * | 2018-12-18 | 2019-04-05 | 惠科股份有限公司 | Display panel and manufacturing method |
| CN109671407A (en) * | 2019-01-14 | 2019-04-23 | 惠科股份有限公司 | Array substrate, display panel and display device |
| WO2019127780A1 (en) * | 2017-12-26 | 2019-07-04 | 深圳市华星光电技术有限公司 | Color film substrate, method for manufacturing same, and liquid crystal display panel |
| US10394074B2 (en) | 2017-12-26 | 2019-08-27 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Color film substrate and method of manufacturing the same, liquid crystal panel |
| CN111999942A (en) * | 2020-08-31 | 2020-11-27 | 厦门天马微电子有限公司 | Display panel and display device |
| CN114114781A (en) * | 2021-11-30 | 2022-03-01 | 京东方科技集团股份有限公司 | Liquid crystal lens and display device |
| CN114648925A (en) * | 2020-12-21 | 2022-06-21 | 深圳市柔宇科技股份有限公司 | Display device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2019127780A1 (en) * | 2017-12-26 | 2019-07-04 | 深圳市华星光电技术有限公司 | Color film substrate, method for manufacturing same, and liquid crystal display panel |
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| CN111999942B (en) * | 2020-08-31 | 2022-09-13 | 厦门天马微电子有限公司 | Display panel and display device |
| CN114648925A (en) * | 2020-12-21 | 2022-06-21 | 深圳市柔宇科技股份有限公司 | Display device |
| CN114114781A (en) * | 2021-11-30 | 2022-03-01 | 京东方科技集团股份有限公司 | Liquid crystal lens and display device |
| CN114114781B (en) * | 2021-11-30 | 2024-07-02 | 京东方科技集团股份有限公司 | Liquid crystal lens and display device |
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|---|---|
| CN106918950B (en) | 2020-10-30 |
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