CN106898320B - A kind of adjusting method and system showing equipment colour gamut and visual angle - Google Patents
A kind of adjusting method and system showing equipment colour gamut and visual angle Download PDFInfo
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- CN106898320B CN106898320B CN201710127693.4A CN201710127693A CN106898320B CN 106898320 B CN106898320 B CN 106898320B CN 201710127693 A CN201710127693 A CN 201710127693A CN 106898320 B CN106898320 B CN 106898320B
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/028—Improving the quality of display appearance by changing the viewing angle properties, e.g. widening the viewing angle, adapting the viewing angle to the view direction
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/06—Adjustment of display parameters
- G09G2320/0666—Adjustment of display parameters for control of colour parameters, e.g. colour temperature
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
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- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Liquid Crystal Display Device Control (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The invention discloses a kind of adjusting methods and system for showing equipment colour gamut and visual angle, method includes the following steps: (1) setting colour gamut parameter and/or view parameter；(2) be compared the colour gamut parameter with current color gamut value: if colour gamut parameter is lower than current color gamut value, control R, G, B three primary colours data move right；If colour gamut parameter is higher than current color gamut value, control R, G, B three primary colours data are moved to the left；And/or when turning the view parameter of setting down, increase liquid crystal drive voltage；When the view parameter of setting is tuned up, reduce liquid crystal drive voltage.The adjusting to display color gamut and visual angle can be realized by this adjusting method.
Description
Technical field
The present invention relates to field of display technology, more particularly to a kind of adjusting method for showing equipment colour gamut and visual angle
And regulating system.
Background technique
The colour gamut of current display setup and visual angle have generally just set and have immobilized when leaving the factory, which greatly limits
Product using field, affect sensory experience of different crowd when using the display equipment.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of adjusting methods and tune for showing equipment colour gamut and visual angle
Section system.
The technical problems to be solved by the invention are achieved by the following technical programs:
A kind of adjusting method showing equipment colour gamut and visual angle comprising following steps:
(1) colour gamut parameter and/or view parameter are set；
(2) the colour gamut parameter is compared with current color gamut value: if colour gamut parameter be lower than current color gamut value, control R,
G, B three primary colours data move right；If colour gamut parameter is higher than current color gamut value, control R, G, B three primary colours data are moved to the left；
And/or
The view parameter is compared with current visual angle value: if view parameter is lower than current visual angle value, increasing liquid crystal
Driving voltage；If view parameter is higher than current visual angle value, reduce liquid crystal drive voltage.
In the present invention, further include judgment step between step (1) and (2): judging colour gamut parameter or the visual angle of setting
Whether parameter is in preset threshold range；If so, (2) are entered step, if it is not, then prompting mistake.
It in the present invention, further include retrieval aligning step after step (2): to preset GAMMA LUT(Look-Up
Table it) is retrieved, R, G, the B data after displacement is converted by LUT point by point, the progress automatic school of GAMMA data
Just.
In the present invention, in step (2),
The digit of R, G, B three primary colours data displacement is calculated by following formula:
(formula 1),
Wherein, W is shift amount, and when W is timing, R, G, B three primary colours data are to moving to left；When W is negative, R, G, B three primary colours position
Number moves to right；K is backlight pixel points；S1For the colour gamut parameter of setting；S0For current color gamut value；
And/or
The size for increasing or reducing liquid crystal drive voltage is calculated by following formula:
(formula 2),
Wherein V is liquid crystal drive voltage；T0Transmitance when not shown for pixel；N is that liquid-crystal refractive-index is poor；D is liquid crystal
Thickness degree；λ is transmitted light wavelength；A is liquid crystal screw pitch；φ is the view parameter of setting.
A kind of regulating system showing equipment colour gamut and visual angle comprising:
Setup module, for colour gamut parameter and/or view parameter to be arranged；
Comparison module, for the colour gamut parameter and current color gamut value, and/or for the view parameter with
Current visual angle value；
Control module, for being lower than current color gamut value when colour gamut parameter, control R, G, B three primary colours data move right；When
Colour gamut parameter is higher than current color gamut value, and control R, G, B three primary colours data are moved to the left；And/or view parameter is turned down for working as
When, increase liquid crystal drive voltage；When tuning up view parameter, reduce liquid crystal drive voltage.
In the present invention, the regulating system further includes judgment module, for judging colour gamut parameter and/or view parameter is
It is no in preset threshold range.
In the present invention, the regulating system further includes retrieval correction module, for examining to preset GAMMA LUT
Rope is converted R, G, the B data after displacement by LUT point by point, and progress GAMMA data automatically correct.
In the present invention, the regulating system further includes computing module, for calculating the position of R, G, B three primary colours data displacement
Number, and/or for calculating the size for increasing or reducing liquid crystal drive voltage.
The invention has the following beneficial effects:
This adjusting method is adjusted to the colour gamut of display equipment according to the setting parameter of user and different user can be made to find
Most suitable colour gamut makes the color of display excessively bright-coloured will not will not lead to color because of too small because colour gamut is too big
Coloured silk reduction is inaccurate；Visual angle is adjusted, the use demand of different places is suitable for, can be regarded in public places by reducing
Peep-proof is played the role of at angle, while then can make more people by tuning up visual angle when carrying out recreation while share to screen
The content of upper display.And automatic adjustment of the combination to GAMMA curve, realize that the adjusting to display equipment colour gamut and visual angle is protected simultaneously
The transition effect of card display picture is still good, does not influence the use of user.
Detailed description of the invention
Fig. 1 is the flow diagram of adjusting method of the present invention；
Fig. 2 is the functional block diagram of regulating system of the present invention.
Specific embodiment
The present invention provides a kind of adjusting methods for showing equipment colour gamut and visual angle comprising following steps:
(1) colour gamut parameter and/or view parameter are set；
(2) the colour gamut parameter is compared with current color gamut value: if colour gamut parameter be lower than current color gamut value, control R,
G, B three primary colours data move right；If colour gamut parameter is higher than current color gamut value, control R, G, B three primary colours data are moved to the left；
And/or
The view parameter is compared with current visual angle value: if view parameter is lower than current visual angle value, increasing liquid crystal
Driving voltage；If view parameter is higher than current visual angle value, reduce liquid crystal drive voltage.
In step (2),
The digit of R, G, B three primary colours data displacement is calculated by following formula:
(formula 1),
Wherein, W is shift amount, and when W is timing, R, G, B three primary colours data are to moving to left；When W is negative, R, G, B three primary colours position
Number moves to right；K is backlight pixel points；S1It is set as the colour gamut parameter of setting；S0For current color gamut value；
And/or
The size for increasing or reducing liquid crystal drive voltage is calculated by following formula:
(formula 2),
Wherein V is liquid crystal drive voltage；T0Transmitance when not shown for pixel；N is that liquid-crystal refractive-index is poor；D is liquid crystal
Thickness degree；λ is transmitted light wavelength；A is liquid crystal screw pitch；φ is the view parameter of setting.
This adjusting method is adjusted to the colour gamut of display equipment according to the setting parameter of user and different user can be made to find
Most suitable colour gamut makes the color of display excessively bright-coloured will not will not lead to color because of too small because colour gamut is too big
Coloured silk reduction is inaccurate；Visual angle is adjusted, the use demand of different places is suitable for, can be regarded in public places by reducing
Peep-proof is played the role of at angle, while then can make more people by tuning up visual angle when carrying out recreation while share to screen
The content of upper display.
The present invention will now be described in detail with reference to examples, and the examples are only preferred embodiments of the present invention,
It is not limitation of the invention.
It is a kind of show equipment colour gamut and visual angle adjusting method, as shown in Figure 1, itself the following steps are included:
A1, user are configured by the parameter of display equipment color domain and/or visual angle.
A2, the parameter of setting is judged: if the parameter of setting be more than systemic presupposition threshold range (it is i.e. maximum/most
Small threshold value), then error message is returned, prompts user institute setting parameter to overrun, need to re-enter；If the parameter being arranged is in threshold value
In range, then A3 is entered step.
When specific implementation, the display equipment can individually be adjusted in color domain and visual angle respectively there are two frame is arranged.
After user is arranged according to the actual situation, then respectively two parameters are carried out seeing if fall out given threshold range.As user couple
When two parameters are all configured, if one exceeds setting range, user can be prompted to be configured again to the parameter.Do not surpass
Then setting success out, enters step A3.
A3, call setting colour gamut parameter, by calculation processing by the colour gamut Parameter Switch of setting be R, G, B three primary colours number
According to the digit of displacement, is shifted by controlling R, G, B three primary colours, realize the adjusting to display equipment colour gamut；
And/or
The view parameter for calling setting, the liquid crystal changed needed for being converted to the view parameter of setting by calculation processing drive
The size of dynamic voltage realizes the adjusting to display equipment visual angle by the adjusting to liquid crystal drive voltage.
After test of many times, the inventors discovered that the color saturation of color domain coverage ratio and red, green, blue three primary colours is in line
Property overlaying relation, i.e., when color saturation increase when, color domain coverage ratio increase；When color saturation reduces, color domain coverage ratio reduces.
The present inventor is by the displacement of control R, G, B three primary colours to realize the adjusting to display equipment colour gamut.
Color domain adjust and both view angle adjustment the specific implementation process is as follows:
Colour gamut is adjusted: when the colour gamut parameter of user setting is to turn colour gamut down, i.e., colour gamut parameter is lower than current color gamut value,
By the colour gamut parameter call in R, G, B three primary colours data shift digit calculation formula (formula 1), after calculating control R, G,
B three primary colours data move right, and then reduce red, green, the color saturation of blue, and red, green, blue is caused to exist
Chromaticity coordinates on CIE is increasingly closer to white point, reduces gamut area；
When the colour gamut parameter of user setting is to tune up colour gamut, i.e., colour gamut parameter is higher than current color gamut value, by the colour gamut
Parameter calls in the digit calculation formula (formula 1) shifted to R, G, B three primary colours data, and R, G, B three primary colours are controlled after calculating
Data are moved to the left, and then increase red, green, the color saturation of blue, lead to color red, that green, blue are on CIE
Coordinate increases gamut area more and more far away from white point.
Both view angle adjustment: when the view parameter of user setting is to turn visual angle down, i.e., view parameter is lower than current visual angle value,
Then the view parameter is called in the size calculation formula (formula 2) for increasing or reducing liquid crystal drive voltage, is controlled after calculating
Liquid crystal molecule driving voltage processed increases, and increases the tilt angle of liquid crystal molecule in the dark state, gets higher dark-state under narrow viewing angle, shows
Show contrast reduction, visual angle becomes smaller；
When the view parameter of user setting is to tune up visual angle, i.e., view parameter is higher than current visual angle value, then by the view
Angular dimensions is called in the size calculation formula (formula 2) for increasing or reducing liquid crystal drive voltage, and liquid crystal point is controlled after calculating
Sub- driving voltage reduces, and so that the tilt angle of liquid crystal molecule in the dark state is become smaller, so that dark-state under wide viewing angle is become smaller, display contrast
It increases, visual angle becomes larger.
After A4, colour gamut and/or both view angle adjustment, preset GAMMA LUT is retrieved, by R, G, B after displacement
Three primary colours data are converted point by point by LUT, realize GAMMA automatically correct, make display image after shifting processing still
Keep good transition effect.
Because R, G, B three primary colours data and liquid crystal drive voltage are after calculation processing, the image that shows may be because of
Tonal gradation distortion leads to that image is partially dark, partially light or cross-color.It can make the transition and display effect of image after GAMMA is corrected
Fruit is optimized, and picture is apparent.
The LUT is converted point by point and GAMMA correction is existing method, and this will not be detailed here.
After A5, correction, the effect of colour gamut and/or both view angle adjustment is shown.
R, G, B three primary colours are shifted respectively it should be noted that the displacement of R, G, B three primary colours data refers to.With 8bit
For data bit width: if R, G, B three primary colours initial data are 1,111 1111,1,111 1111,1,111 1111, all Xiang Zuoyi
Be 1,111 1110,1,111 1110,1,111 1110 after one, all move right after one as 0,111 1111,0,111 1111,
0111 1111。
The present invention also provides a kind of regulating systems for showing equipment colour gamut and visual angle, as shown in Fig. 2, comprising:
Setup module, for colour gamut parameter and/or view parameter to be arranged；
Comparison module, for the colour gamut parameter and current color gamut value, and/or for the view parameter with
Current visual angle value；
Control module, for being lower than current color gamut value when colour gamut parameter, control R, G, B three primary colours data move right；When
Colour gamut parameter is higher than current color gamut value, and control R, G, B three primary colours data are moved to the left；And/or for working as when view parameter is lower than
Forward sight angle value increases liquid crystal drive voltage；When view parameter is higher than current visual angle value, reduction liquid crystal drive voltage.
The regulating system further includes computing module, for calculating the digit of R, G, B three primary colours data displacement, and/or use
The size of liquid crystal drive voltage is increased or reduced in calculating.Wherein, the digit of R, G, B three primary colours data displacement passes through as follows
Formula calculates:
(formula 1),
Wherein, W is shift amount, and when W is timing, R, G, B three primary colours data are to moving to left；When W is negative, R, G, B three primary colours position
Number moves to right；K is backlight pixel points；S1It is set as the colour gamut parameter of setting；S0For current color gamut value；
And/or
The size for increasing or reducing liquid crystal drive voltage is calculated by following formula:
(formula 2),
Wherein V is liquid crystal drive voltage；T0Transmitance when not shown for pixel；N is that liquid-crystal refractive-index is poor；D is liquid crystal
Thickness degree；λ is transmitted light wavelength；A is liquid crystal screw pitch；φ is the view parameter of setting.
Further, the regulating system further includes judgment module, for judging whether are colour gamut parameter and/or view parameter
In preset threshold range.
Further, the regulating system further includes retrieval correction module, for examining to preset GAMMA LUT
Rope is converted R, G, the B data after displacement by LUT point by point, and progress GAMMA data automatically correct.
This regulating system is adjusted to the colour gamut of display equipment according to the setting parameter of user and different user can be made to find
Most suitable colour gamut makes the color of display excessively bright-coloured will not will not lead to color because of too small because colour gamut is too big
Coloured silk reduction is inaccurate；Visual angle is adjusted, the use demand of different places is suitable for, can be regarded in public places by reducing
Peep-proof is played the role of at angle, while then can make more people by tuning up visual angle when carrying out recreation while share to screen
The content of upper display.And automatic adjustment of the combination to GAMMA curve, realize that the adjusting to display equipment colour gamut and visual angle is protected simultaneously
The transition effect of card display picture is still good, does not influence the use of user.
Embodiments of the present invention above described embodiment only expresses, the description thereof is more specific and detailed, but can not
Therefore limitations on the scope of the patent of the present invention are interpreted as, as long as skill obtained in the form of equivalent substitutions or equivalent transformations
Art scheme should all be fallen within the scope and spirit of the invention.
Claims (9)
1. a kind of adjusting method for showing equipment colour gamut and visual angle comprising following steps:
(1) colour gamut parameter and/or view parameter are set；
(2) the colour gamut parameter is compared with current color gamut value: if colour gamut parameter is lower than current color gamut value, controls R, G, B
Three primary colours data move right；If colour gamut parameter is higher than current color gamut value, control R, G, B three primary colours data are moved to the left；
And/or
The view parameter is compared with current visual angle value: if view parameter is lower than current visual angle value, increasing liquid crystal drive
Voltage；If view parameter is higher than current visual angle value, reduce liquid crystal drive voltage；
In step (2),
The digit of R, G, B three primary colours data displacement is calculated by following formula:
(formula 1),
Wherein, W is shift amount, and when W is timing, R, G, B three primary colours data are to moving to left；When W is negative, R, G, B three primary colours position
Number moves to right；K is backlight pixel points；S1It is set as the colour gamut parameter of setting；S0For current color gamut value；
And/or
The size for increasing or reducing liquid crystal drive voltage is calculated by following formula:
(formula 2),
Wherein V is liquid crystal drive voltage；T0Transmitance when not shown for pixel；N is that liquid-crystal refractive-index is poor；D is liquid crystal layer
Thickness；λ is transmitted light wavelength；A is liquid crystal screw pitch；φ is the view parameter of setting.
2. the adjusting method of display equipment colour gamut and visual angle according to claim 1, which is characterized in that in step (1) and
(2) further include judgment step between: whether the colour gamut parameter or view parameter for judging setting are in preset threshold range；If so,
(2) are then entered step, if it is not, then prompting mistake.
3. the adjusting method of display equipment colour gamut and visual angle according to claim 1 or 2, which is characterized in that in step (2)
Later further include retrieval aligning step: preset GAMMA LUT is retrieved, R, G, the B data after displacement are passed through
LUT is converted point by point, is carried out GAMMA data and is automatically corrected.
4. the adjusting method of display equipment colour gamut and visual angle according to claim 3, which is characterized in that in step (2),
The digit of R, G, B three primary colours data displacement is calculated by following formula:
(formula 1),
Wherein, W is shift amount, and when W is timing, R, G, B three primary colours data are to moving to left；When W is negative, R, G, B three primary colours position
Number moves to right；K is backlight pixel points；S1It is set as the colour gamut parameter of setting；S0For current color gamut value；
And/or
The size for increasing or reducing liquid crystal drive voltage is calculated by following formula:
(formula 2),
Wherein V is liquid crystal drive voltage；T0Transmitance when not shown for pixel；N is that liquid-crystal refractive-index is poor；D is liquid crystal layer
Thickness；λ is transmitted light wavelength；A is liquid crystal screw pitch；φ is the view parameter of setting.
5. a kind of regulating system for showing equipment colour gamut and visual angle characterized by comprising
Setup module, for colour gamut parameter and/or view parameter to be arranged；
Comparison module, for the colour gamut parameter and current color gamut value, and/or for the view parameter and currently
Visual angle value；
Control module, for being lower than current color gamut value when colour gamut parameter, control R, G, B three primary colours data move right；Work as colour gamut
Parameter is higher than current color gamut value, and control R, G, B three primary colours data are moved to the left；And/or for increasing when view parameter is turned down
Big liquid crystal drive voltage；When view parameter tunes up, reduce liquid crystal drive voltage；
Wherein, the digit of R, G, B three primary colours data displacement is calculated by following formula:
(formula 1),
Wherein, W is shift amount, and when W is timing, R, G, B three primary colours data are to moving to left；When W is negative, R, G, B three primary colours position
Number moves to right；K is backlight pixel points；S1It is set as the colour gamut parameter of setting；S0For current color gamut value；
And/or
The size for increasing or reducing liquid crystal drive voltage is calculated by following formula:
(formula 2),
Wherein V is liquid crystal drive voltage；T0Transmitance when not shown for pixel；N is that liquid-crystal refractive-index is poor；D is liquid crystal layer
Thickness；λ is transmitted light wavelength；A is liquid crystal screw pitch；φ is the view parameter of setting.
6. the regulating system of display equipment colour gamut and visual angle according to claim 5, which is characterized in that further include judging mould
Block, for judging colour gamut parameter or view parameter whether in preset threshold range.
7. the regulating system of display equipment colour gamut and visual angle according to claim 5 or 6, which is characterized in that further include inspection
Rope correction module, for being retrieved to preset GAMMA LUT, by by displacement after R, G, B data by LUT progress by
Point transformation carries out GAMMA data and automatically corrects.
8. the regulating system of display equipment colour gamut and visual angle according to claim 5 or 6, which is characterized in that further include meter
Module is calculated, increases or reduces liquid crystal drive voltage for calculating the digit of R, G, B three primary colours data displacement, and/or for calculating
Size.
9. the regulating system of display equipment colour gamut and visual angle according to claim 7, which is characterized in that further include calculating mould
Block increases or reduces the big of liquid crystal drive voltage for calculating the digit of R, G, B three primary colours data displacement, and/or for calculating
It is small.
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| US10438528B2 (en) | 2017-07-05 | 2019-10-08 | Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Driving method and system of display device with viewing angle calculation and color shift compensation |
| CN110278422B (en) * | 2018-03-16 | 2022-01-11 | 深圳光峰科技股份有限公司 | Display device |
| CN111668394B (en) * | 2020-05-27 | 2022-08-05 | 安徽熙泰智能科技有限公司 | Method for adjusting color saturation of silicon-based white light OLED |
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| KR20130076132A (en) * | 2011-12-28 | 2013-07-08 | 삼성전자주식회사 | Display apparatus and method for displaying of image |
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