CN104267547B - A kind of array base palte and display device - Google Patents
A kind of array base palte and display device Download PDFInfo
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- CN104267547B CN104267547B CN201410491953.2A CN201410491953A CN104267547B CN 104267547 B CN104267547 B CN 104267547B CN 201410491953 A CN201410491953 A CN 201410491953A CN 104267547 B CN104267547 B CN 104267547B
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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
- G02F1/1343—Electrodes
- G02F1/134309—Electrodes characterised by their geometrical arrangement
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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
- G02F1/1343—Electrodes
- G02F1/134309—Electrodes characterised by their geometrical arrangement
- G02F1/134327—Segmented, e.g. alpha numeric display
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Geometry (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
Abstract
The embodiment of the invention discloses a kind of array base palte and display device, are related to display technology field, can improve display device dipped beam end and distance light end luminance nonuniformity it is bad.The array base palte includes multiple pixel cells of matrix form arrangement, each described pixel cell includes at least one gap electrode, there is between the bearing of trend and liquid crystal molecule initial orientation of the slit of the gap electrode certain angle, the angle edge between the bearing of trend and liquid crystal molecule initial orientation of the slit of the gap electrode gradually increases away from light source direction.
Description
Technical field
The present invention relates to display technology field, more particularly to a kind of array base palte and display device.
Background technology
Liquid crystal display is a kind of display device of planar ultra-thin, and which mainly includes backlight module and display floater.Wherein,
Conventional backlight module is side entrance back module.
Specifically, side entrance back module includes light source and light guide plate, wherein, light source is located at light guide plate side, and light source is sent out
The light of injection is projected from the exiting surface of light guide plate after light guide plate scattering, so as to provide light for display floater.Conventional
Light source includes multiple light emitting diodes (lighting emitting diode, abbreviation LED).Liquid crystal display is in the process of display
In, LED can produce amount of heat when luminous, and then cause the liquid crystal molecule at dipped beam end (near one end of light source) in display floater
Temperature it is higher, the temperature of the liquid crystal molecule of distance light end (away from one end of light source) is relatively low.
Inventor has found that refractive index and dielectric constant of liquid crystal molecule etc. can change with temperature, concrete manifestation
It is that liquid crystal molecule is risen with the reduction of temperature to the regulating effect of light in the case of liquid crystal molecule deflection state identical
Height, therefore, liquid crystal display is during display, it may appear that dipped beam end and distance light end luminance nonuniformity it is bad.
The content of the invention
The technical problem to be solved is to provide a kind of array base palte and display device, can improve display dress
Put dipped beam end and distance light end luminance nonuniformity it is bad.
To solve above-mentioned technical problem, a kind of array base palte is embodiments provided, is adopted the following technical scheme that：
A kind of array base palte, including multiple pixel cells of matrix form arrangement, each described pixel cell include at least one
Individual gap electrode, has certain angle between the bearing of trend and liquid crystal molecule initial orientation of the slit of the gap electrode,
Angle edge between the bearing of trend and liquid crystal molecule initial orientation of the slit of the gap electrode gradually increases away from light source direction
Plus.
The bearing of trend of the slit of the gap electrode in the farthest pixel cell of the light source with it is described
Angle between liquid crystal molecule initial orientation is θ n, the gap electrode in the nearest pixel cell of the light source
Slit bearing of trend and the liquid crystal molecule initial orientation between angle be θ 1, wherein, n is along perpendicular to the light source
The line number or columns of the pixel cell in direction；
From apart from the nearest pixel cell of the light source, arrange described in the pixel cell per m rows or per m
Angle between the bearing of trend of the slit of gap electrode and the liquid crystal molecule initial orientation is identical, and m is just whole less than n
Number；
(i-1) × m+1 rows to i-th × m rows or (i-1) × m+1 is arranged to i-th × m and is arranged in the pixel cell
Angle between the bearing of trend of the slit of the gap electrode and the liquid crystal molecule initial orientation is θ i, wherein i be more than
Equal to 1 and less than or equal to the positive integer of n/m, if n/m is integer,If n/m is non-integer,
If k is rounded for n/m's,
The bearing of trend of the slit of the gap electrode in m=1, the i-th row or the i-th row pixel cell with
Angle between the liquid crystal molecule initial orientation is θ i, wherein i be more than or equal to 1 and less than or equal to the positive integer of n,
The bearing of trend of all slits of the gap electrode in the pixel cell is identical.
The bearing of trend of the slit of the center line both sides of the gap electrode in the pixel cell is with the center line
It is symmetrical for axis of symmetry.
The pixel cell includes the gap electrode and a plate electrode of mutually insulated, or the pixel
Unit includes two gap electrodes of the mutually insulated that same layer is arranged, wherein, the slit of a gap electrode with it is another
The slit separation of one gap electrode is arranged.
A kind of array base palte is embodiments provided, the array base palte includes gap electrode, wherein, gap electrode
There is between slit and liquid crystal molecule initial orientation certain angle, and angle edge gradually increases away from light source direction, pixel
The maximum transmission of unit is reduced with the increase of angle, and the voltage of the corresponding gap electrode of maximum transmission is with angle
Increase and increase, so that when the voltage on gap electrode is identical, the transmitance of pixel cell is dropped with the increase of angle
It is low, such that it is able to mitigate regulating effect of the liquid crystal molecule caused because of the temperature difference at display device dipped beam end and distance light end to light
The impact for causing, so improve display device dipped beam end and distance light end luminance nonuniformity it is bad.
Additionally, the embodiment of the present invention additionally provides a kind of display device, the display device includes any of the above embodiment party
Array base palte in formula.
A kind of display device is embodiments provided, the array base palte that the display device includes includes gap electrode,
Wherein, there is certain angle, and the angle along away from light source side between the slit of gap electrode and liquid crystal molecule initial orientation
To gradually increasing, the maximum transmission of pixel cell is reduced with the increase of angle, the corresponding gap electrode of maximum transmission
Voltage increase with the increase of angle, thus the voltage on gap electrode it is identical when, the transmitance of pixel cell is with folder
The increase at angle and reduce, such that it is able to mitigate the liquid crystal molecule caused because of the temperature difference at display device dipped beam end and distance light end to light
The impact that the regulating effect of line is caused, so improve display device dipped beam end and distance light end luminance nonuniformity it is bad.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, embodiment will be described below
Needed for accompanying drawing to be used be briefly described, it should be apparent that, drawings in the following description be only the present invention some
Embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, can be with attached according to these
Figure obtains other accompanying drawings.
Floor map of the Fig. 1 for the first array base palte in the embodiment of the present invention；
Fig. 2 is divided with liquid crystal with the gap electrode 3 in pixel cell for the transmitance of the pixel cell in the embodiment of the present invention
The graph of a relation between angle between sub- initial orientation；
When Fig. 3 is V=5.7V in Fig. 2, transmitance T of pixel cell is with variable angle curve, and pixel cell in Fig. 2
Maximum transmission Ttop with variable angle curve；
Floor map of the Fig. 4 for second array base palte in the embodiment of the present invention.
Description of reference numerals：
1-grid line；2-data wire；3-gap electrode；
31-slit.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is a part of embodiment of the invention, rather than the embodiment of whole.Based on this
Embodiment in bright, the every other enforcement obtained under the premise of creative work is not made by those of ordinary skill in the art
Example, belongs to the scope of protection of the invention.
A kind of array base palte and display device are embodiments provided, the briliancy at dipped beam end and distance light end can be improved
Uneven is bad.
Specifically, as shown in figure 1, the array base palte includes crisscross grid line 1 and data wire 2, grid line 1 and data wire
2 surround pixel cell, and multiple pixel cells are arranged in matrix form, and each pixel cell includes at least one gap electrode 3, slit
There is between the bearing of trend and liquid crystal molecule initial orientation of the slit 31 of electrode 3 certain angle, the angle is along away from light source
Direction gradually increases.Exemplarily, it is parallel to 1 direction of grid line with liquid crystal molecule initial orientation in the embodiment of the present invention.
Fig. 2 for pixel cell transmitance and the angle between the bearing of trend and liquid crystal molecule initial orientation of slit 31 it
Between graph of a relation, in Fig. 2, the operating temperature of pixel cell is 25 DEG C, when Fig. 3 is the voltage V=5.7V in Fig. 2 on gap electrode
Transmitance T of pixel cell is bent with variable angle with the maximum transmission Ttop of pixel cell in variable angle curve and Fig. 2
Line, as shown in Figures 2 and 3, as the bearing of trend of the slit 31 of the gap electrode 3 in pixel cell is initially taken with liquid crystal molecule
The increase of the angle between, the maximum transmission Ttop of pixel cell are reduced, the corresponding gap electrodes of maximum transmission Ttop 3
On voltage increase, when the voltage on gap electrode 3 is identical, the deflection shape of the liquid crystal molecule in the different pixel cell of angle
State is different, so that the transmitance of pixel cell is reduced with the increase of angle.Therefore, pixel list in the embodiment of the present invention
Angle between the bearing of trend and liquid crystal molecule initial orientation of the slit 31 of the gap electrode 3 in unit along away from light source direction by
It is cumulative to add, such that it is able to mitigate regulation of the liquid crystal molecule caused because of the temperature difference at display device dipped beam end and distance light end to light
The impact that effect is caused, so improve display device dipped beam end and distance light end luminance nonuniformity it is bad.
Further, the bearing of trend and liquid crystal of the slit 31 of the gap electrode 3 in the farthest pixel cell of light source
Angle between molecule initial orientation is θ n, the extension of the slit 31 of the gap electrode 3 in the nearest pixel cell of light source
Angle between direction and liquid crystal molecule initial orientation is θ 1, wherein, n is along the pixel cell perpendicular to light source direction
Line number or columns.
From apart from the nearest pixel cell of light source, per m rows or per the slit of the gap electrode 3 in m row pixel cells
Angle between 31 bearing of trend and liquid crystal molecule initial orientation is identical, and m is narrow in the positive integer less than n, i.e. pixel cell
Angle between the bearing of trend and liquid crystal molecule initial orientation of the slit 31 of seam electrode 3 increases once every m rows or m row.
Now, (i-1) × m+1 rows are arranged into i-th × m row pixel cells to i-th × m rows or (i-1) × m+1
Angle between the bearing of trend and liquid crystal molecule initial orientation of the slit 31 of gap electrode 3 is θ i, and wherein i is more than or equal to 1
And less than or equal to the positive integer of n/m, if n/m is integer,If n/m is non-integer, k is set
Rounding for n/m,
When the angle edge in pixel cell between the bearing of trend and liquid crystal molecule initial orientation of the slit 31 of gap electrode 3
When gradually increasing away from light source direction, m=1, the extension of the slit 31 of the gap electrode 3 in the i-th row or the i-th row pixel cell
Angle between direction and liquid crystal molecule initial orientation is θ i, wherein i be more than or equal to 1 and less than or equal to the positive integer of n,
Further, as shown in figure 4, all slits 31 of gap electrode 3 in pixel cell in the embodiment of the present invention
Bearing of trend it is identical, or, as shown in figure 1, the slit 31 of the center line both sides of the gap electrode 3 in pixel cell prolongs
Stretch direction symmetrical by axis of symmetry of center line.Wherein, the slit of the center line both sides of the gap electrode 3 in positioned at pixel cell
31 bearing of trend with center line as axis of symmetry it is symmetrical when, during the display of pixel cell, the center line two of gap electrode 3
The direction of an electric field of side with center line as axis of symmetry symmetrically, and then cause the deflection state of liquid crystal molecule in pixel cell also edge
The center line is symmetrical, so that pixel cell can carry out self-compensating, weakens " aberration " of display device to a certain extent
(aberration is the dispaly state difference of the display device under different visual angles, and the color shown under different visual angles is not
Same phenomenon).
Further, pixel cell can include a gap electrode 3 and a plate electrode of mutually insulated, now show
The display pattern of showing device is ADS patterns or FFS mode, or pixel cell can also include the mutually insulated that same layer is arranged
Two gap electrodes 3, wherein, 31 interval setting of slit of the slit of a gap electrode 3 31 and another gap electrode 3,
Now the display pattern of display device is IPS patterns.
It should be noted that the array base palte provided in the embodiment of the present invention can also include thin film transistor (TFT) and passivation layer
Etc. other structures, on the basis of those skilled in the art are based on the embodiment of the present invention, obtain by not paying creative work, this
Inventive embodiments are no longer repeated one by one.
A kind of array base palte is embodiments provided, the array base palte includes gap electrode, wherein, gap electrode
There is between slit and liquid crystal molecule initial orientation certain angle, and angle edge gradually increases away from light source direction, pixel
The maximum transmission of unit is reduced with the increase of angle, and the voltage of the corresponding gap electrode of maximum transmission is with angle
Increase and increase, so that when the voltage on gap electrode is identical, the transmitance of pixel cell is dropped with the increase of angle
It is low, such that it is able to mitigate regulating effect of the liquid crystal molecule caused because of the temperature difference at display device dipped beam end and distance light end to light
The impact for causing, so improve display device dipped beam end and distance light end luminance nonuniformity it is bad.
Additionally, the embodiment of the present invention additionally provides a kind of display device, the display device includes any of the above embodiment party
Array base palte in formula.The display device can be：Liquid crystal panel, Electronic Paper, organic electroluminescence display panel, mobile phone, flat board electricity
Any product with display function such as brain, television set, display, notebook computer, DPF, navigator or part.
A kind of display device is embodiments provided, the array base palte that the display device includes includes gap electrode,
Wherein, there is certain angle, and the angle along away from light source side between the slit of gap electrode and liquid crystal molecule initial orientation
To gradually increasing, the maximum transmission of pixel cell is reduced with the increase of angle, the corresponding gap electrode of maximum transmission
Voltage increase with the increase of angle, thus the voltage on gap electrode it is identical when, the transmitance of pixel cell is with folder
The increase at angle and reduce, such that it is able to mitigate the liquid crystal molecule caused because of the temperature difference at display device dipped beam end and distance light end to light
The impact that the regulating effect of line is caused, so improve display device dipped beam end and distance light end luminance nonuniformity it is bad.
The above, the only specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be defined by the scope of the claims.
Claims (5)
1. a kind of multiple pixel cells of array base palte, including matrix form arrangement, each described pixel cell include at least one
Gap electrode, has certain angle between the bearing of trend and liquid crystal molecule initial orientation of the slit of the gap electrode, its
It is characterised by,
Angle between the bearing of trend and liquid crystal molecule initial orientation of the slit of the gap electrode along away from light source direction by
It is cumulative to add；Wherein,
The bearing of trend of all slits of the gap electrode in the pixel cell is identical, or is located at the pixel cell
In the gap electrode center line both sides slit bearing of trend it is symmetrical as axis of symmetry with the center line.
2. array base palte according to claim 1, it is characterised in that
The bearing of trend and the liquid crystal of the slit of the gap electrode in the farthest pixel cell of the light source
Angle between molecule initial orientation is θ n, the gap electrode in the nearest pixel cell of the light source it is narrow
Angle between the bearing of trend of seam and the liquid crystal molecule initial orientation is θ 1, wherein, n is along perpendicular to the light source direction
The pixel cell line number or columns；
From apart from the nearest pixel cell of the light source, the slit in the pixel cell is arranged per m rows or per m
Angle between the bearing of trend of the slit of electrode and the liquid crystal molecule initial orientation is identical, and m is the positive integer less than n；
(i-1) × m+1 rows to i-th × m rows or (i-1) × m+1 is arranged to i-th × m and arranges described in the pixel cell
Angle between the bearing of trend of the slit of gap electrode and the liquid crystal molecule initial orientation is θ i, and wherein i is more than or equal to 1
And less than or equal to the positive integer of n/m,If n/m is integer,
If n/m is non-integer, k rounding as n/m is set,
3. array base palte according to claim 2, it is characterised in that
The bearing of trend and the liquid crystal molecule of the slit of the gap electrode in m=1, the i-th row or the i-th row pixel cell
Angle between initial orientation is θ i, wherein i be more than or equal to 1 and less than or equal to the positive integer of n,
4. array base palte according to claim 1, it is characterised in that the pixel cell includes an institute of mutually insulated
Gap electrode and a plate electrode are stated, or the pixel cell includes two slits of the mutually insulated that same layer is arranged
Electrode, wherein, the slit of a gap electrode is arranged with the slit separation of another gap electrode.
5. a kind of display device, it is characterised in that include the array base palte as described in any one of claim 1-4.
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| CN107037643A (en) | 2017-06-01 | 2017-08-11 | 厦门天马微电子有限公司 | Liquid crystal display panel and display device |
| TWI632537B (en) * | 2017-08-25 | 2018-08-11 | 友達光電股份有限公司 | Liquid crystal display panel |
| CN107561792A (en) * | 2017-09-26 | 2018-01-09 | 京东方科技集团股份有限公司 | A kind of array base palte and display device |
| CN108363251B (en) * | 2018-04-25 | 2021-08-31 | 京东方科技集团股份有限公司 | Array substrate, liquid crystal display panel and display device |
| CN108732805B (en) * | 2018-05-28 | 2021-09-14 | 京东方科技集团股份有限公司 | Display substrate, display panel and display device |
| CN109188784B (en) * | 2018-10-29 | 2022-02-22 | 合肥鑫晟光电科技有限公司 | Display substrate, manufacturing method thereof and display device |
| CN114815387B (en) * | 2022-03-30 | 2023-10-24 | 长沙惠科光电有限公司 | Display panel and display device |
| CN114815418B (en) * | 2022-03-30 | 2023-10-24 | 长沙惠科光电有限公司 | Display panel and display device |
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