CN115116368A - Display driving device and display device comprising same - Google Patents
Display driving device and display device comprising same Download PDFInfo
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- CN115116368A CN115116368A CN202110290665.0A CN202110290665A CN115116368A CN 115116368 A CN115116368 A CN 115116368A CN 202110290665 A CN202110290665 A CN 202110290665A CN 115116368 A CN115116368 A CN 115116368A
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- 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
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- G—PHYSICS
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- 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
- G09G2320/0271—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping
- G09G2320/0276—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping for the purpose of adaptation to the characteristics of a display device, i.e. gamma correction
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Abstract
A display driving device comprises a gamma device and a chromatic aberration adjusting device, wherein the gamma device comprises n multiplied by m preset gamma settings corresponding to n preset first visual angles and m preset second visual angles, the chromatic aberration adjusting device compares a target first visual angle with a target second visual angle according to a target first visual angle and a target second visual angle detected by the sight of the current human eyes to a front lens area, the n preset first visual angles and the m preset second visual angles are compared by the target first visual angle and the target second visual angle, four preset gamma settings are selected from the n multiplied by m preset gamma settings, and bilinear interpolation calculation is carried out to generate a target gamma setting.
Description
Technical Field
The present invention relates to a display driving device and a display device, and more particularly, to a display driving device and a display device capable of adjusting a front lens area of a display panel.
Background
In the conventional mobile device such as a mobile phone or a tablet, in order to realize the function of full-screen self-photographing, the display panel of the mobile device adopts a design that the front lens of the camera is buried under the display panel, and in order to increase the transmittance of the camera without affecting the display effect, the display panel of the conventional mobile device increases the panel aperture ratio of the front lens region by reducing the pixel resolution of the front lens region of the display panel, so that the camera can have enough light to photograph.
However, the aforesaid design will cause the brightness and color performance of the front lens area of the display panel to be different from the normal area beside the front lens area, so that the Gamma (Gamma) setting needs to be adjusted for the pixels in the front lens area of the display panel to improve the chromatic aberration on the display, however, the Gamma setting needs a huge number of sets to effectively improve the chromatic aberration due to the different viewing angles of the display panel, and the Gamma setting is difficult to meet the memory capacity limitation, so that the chromatic aberration is still hard to avoid.
Therefore, there are still many defects in the design of the front lens of the conventional display panel and the need for improvement.
Disclosure of Invention
The present invention is directed to a display driving device capable of adjusting chromatic aberration of a front lens area of a display panel and a display device including the same, wherein the viewing angle and the tilt direction of human eyes and the display panel are detected to determine how to correct the data of display sub-pixels in the front lens area of the display panel, so as to effectively solve the chromatic aberration problem of the front lens area of the display panel and meet the limitation of memory capacity.
According to a feature of the present invention, a display driving apparatus is provided, which corrects display pixels to be displayed in a front lens region of a display panel according to a first viewing angle and a second viewing angle planned by detecting a line of sight between a human eye and the front lens region of the display panel, the display driving apparatus comprising: a gamma device having at least one gamma setting, the at least one gamma setting comprising n × m preset gamma settings corresponding to n preset first viewing angles and m preset second viewing angles, wherein the (i, j) th preset gamma setting corresponds to the (i) th preset first viewing angle and the (j) th preset second viewing angle, wherein n, m is an integer greater than 1, i is any integer from 1 to n, and j is any integer from 1 to m; and a color difference adjusting device, comparing the n preset first viewing angles with the m preset second viewing angles according to a target first viewing angle and a target second viewing angle detected by the current human eye for the sight line of the front lens area, selecting four preset gamma settings from the n x m preset gamma settings, and performing bilinear interpolation calculation to generate a target gamma setting.
According to another aspect of the present invention, a display driving apparatus for correcting display pixel data to be displayed in a front lens area of a display panel according to a first viewing angle and a second viewing angle planned by detecting a line of sight between a human eye and the front lens area of the display panel is provided, the display driving apparatus comprising: a gamma device having at least one compensation setting, the at least one compensation setting comprising n × m preset compensation settings corresponding to n preset first viewing angles and m preset second viewing angles, the (i, j) th preset compensation setting corresponding to the i preset first viewing angle and the j preset second viewing angle, wherein n, m is an integer greater than 1, i is any integer between 1 and n, and j is any integer between 1 and m; and a color difference adjusting device, comparing the n preset first visual angles and the m preset second visual angles with the target first visual angle and the target second visual angle according to a target first visual angle and a target second visual angle detected by the current human eye to the sight of the front lens area, selecting four preset compensation settings from the n x m preset compensation settings, and performing bilinear interpolation calculation to generate a target compensation setting.
According to another aspect of the present invention, a display device is provided, which includes: a display panel having a front lens region; and a display driving device for correcting display pixels to be displayed in the front lens area according to a first viewing angle and a second viewing angle planned by detecting the sight lines of human eyes and the front lens area of the display panel. The display driving device includes: a gamma device having at least one gamma setting, the at least one gamma setting comprising n × m preset gamma settings corresponding to n preset first viewing angles and m preset second viewing angles, wherein the (i, j) th preset gamma setting corresponds to the (i) th preset first viewing angle and the (j) th preset second viewing angle, wherein n, m is an integer greater than 1, i is any integer from 1 to n, and j is any integer from 1 to m; and a color difference adjusting device, comparing the n preset first viewing angles with the m preset second viewing angles according to a target first viewing angle and a target second viewing angle detected by the current human eye for the sight line of the front lens area, selecting four preset gamma settings from the n x m preset gamma settings, and performing bilinear interpolation calculation to generate a target gamma setting.
According to another aspect of the present invention, a display device is provided, which includes: a display panel having a front lens region; and a display driving device for correcting the display pixels to be displayed in the front lens region according to a first viewing angle and a second viewing angle planned by detecting the sight lines between human eyes and the front lens region of the display panel. The display driving device includes: a gamma device having at least one compensation setting, the at least one compensation setting comprising n × m preset compensation settings corresponding to n preset first viewing angles and m preset second viewing angles, the (i, j) th preset compensation setting corresponding to the i preset first viewing angle and the j preset second viewing angle, wherein n, m is an integer greater than 1, i is any integer between 1 and n, and j is any integer between 1 and m; and a color difference adjusting device, comparing the n preset first visual angles and the m preset second visual angles with the target first visual angle and the target second visual angle according to a target first visual angle and a target second visual angle detected by the current human eye to the sight of the front lens area, selecting four preset compensation settings from the n x m preset compensation settings, and performing bilinear interpolation calculation to generate a target compensation setting.
Drawings
Fig. 1 shows a schematic view of a display device of the present invention.
FIG. 2(A) is a schematic diagram of an example of a gamma device according to the present invention.
FIG. 2(B) is a schematic diagram of another example of a gamma device according to the present invention.
Fig. 3 is a schematic diagram illustrating a first viewing angle and a second viewing angle defined according to a line of sight of a human eye looking at a front lens region of a display panel.
FIG. 4 shows n × m default gamma settings of the gamma device of the present invention.
FIG. 5 shows the target gamma settings generated by bilinear interpolation using four default gamma settings according to the present invention.
FIG. 6 shows the method of finding the gamma voltage value with the target gamma set at a specific gray-scale value by bilinear interpolation.
FIG. 7 shows n × m default compensation settings of the gamma device of the present invention.
FIG. 8 shows the target compensation setting generated by the bilinear interpolation calculation with four default compensation settings according to the present invention.
Line of sight 15
Red gamma lookup table 311
Green gamma lookup table 312
Blue gamma lookup table 313
Color difference adjusting device 50
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific examples described herein are merely illustrative of the embodiments of the invention and are not intended to limit the invention.
Fig. 1 shows a display device of the present invention, which comprises a display panel 10 and a display driving device 20, the display driving device 20 has a driving unit 60, a gamma device 30, and a color difference adjusting device 50, wherein the driving unit 60 is used to drive the display panel 10 to display a display frame 40 on the display panel 10, the display panel 10 has a plurality of pixel units 101 on the display surface, each pixel unit 101 comprises at least a sub-pixel unit of a specific color, in one embodiment, each pixel unit 101 of the display panel 10 comprises a red sub-pixel unit, a green sub-pixel unit, and a blue sub-pixel unit, that is, the color displayed by the pixel unit 101 of the display panel 10 is composed of at least three colors of red (R), green (G), and blue (B), in other embodiments, the sub-pixels in the pixels may be arranged and combined in different orders, or may further include other colors such as white, so the invention is not limited to the arrangement and combination of the sub-pixels. The display panel 10 further has a front lens region 12, that is, a camera 14 is embedded under the display panel 10 in the front lens region 12.
The gamma device 30 generates source voltage values of R/G/B levels by setting binding voltage of an R/G/B gamma lookup table (lookup table) in cooperation with an analog gamma circuit, and converts gray scale values of a display pixel 401 of a display frame 401 to be displayed into gamma voltage values, so that the driving unit 60 drives the pixel unit 101 of the display panel 10 to display the display pixel 401 corresponding to the display frame 40.
Fig. 2(a) shows an example of the gamma device 30, as shown in the figure, the gamma device 30 has at least one gamma setting 31, each gamma setting 31 has at least one specific color gamma lookup table (lookup table), such as a red gamma lookup table 311, a green gamma lookup table 312 and a blue gamma lookup table 313, a specific color gamma lookup table has a plurality of gray-scale values and a plurality of gamma voltage values respectively corresponding to the plurality of gray-scale values, when the driving unit 60 drives the display panel 10 to display a display frame 40, for the display pixel 401 of the display frame 40, based on the gamma voltage value corresponding to the gray-scale value of the display pixel 401 provided by the gamma setting 31 of the gamma device 30, the driving unit 60 drives the display panel 10 to display the display pixel 401 of the display frame 40 on the display panel 10.
FIG. 2(B) shows another example of the gamma device 30, as shown in the figure, the gamma device 30 has at least one compensation setting 35 and a gamma setting 31, each compensation setting 35 has at least one specific color pixel compensation value, such as a red pixel compensation value, a green pixel compensation value and a blue pixel compensation value, a specific color pixel compensation value compensates the pixel value of the pixel unit 101 of the display frame 40 to be displayed into a compensated pixel value, such as a red pixel value (R), a green pixel value (G) and a blue pixel value (B) into a compensated red pixel value (R '), a compensated green pixel value (G ') and a compensated blue pixel value (B '), when the driving unit 60 drives the display panel 10 to display a display 40, for the display pixel 401 of the display frame 40, the compensated pixel value of the display pixel 401 is compensated by the compensation setting 35 of the gamma device 30 The pixel-to-gamma setting 31 finds the corresponding gamma voltage value, and the driving unit 60 drives the display panel 10 to display the display pixel 401 of the display frame 40 on the display panel 10.
Further, when the display pixels 401 of the display frame 40 are displayed in the front lens region 12, since the pixel resolution of the front lens region 12 is lower than that of the other regions of the display panel 10, the color difference problem needs to be effectively solved by detecting the viewing angle and the tilt direction of the human eyes and the display panel 10 to correct the data of the display pixels to be displayed in the front lens region 12 of the display panel 10. Referring to fig. 3, in the chromatic aberration adjusting apparatus and method for a front lens area of a display panel according to the present invention, a line of sight 15 of a human eye with respect to a front lens area 12 of the display panel 10 is planned to have two viewing angles in a space with respect to the display panel 10, so as to increase the viewing angle by one dimension to a three-dimensional viewing angle, for example, the line of sight 15 of the front lens area 12 of the display panel 10 shown in fig. 3 is planned to have a first viewing angle θ a and a second viewing angle θ B, where the second viewing angle θ B is an angle between the line of sight 15 and a pixel row 103 of the display panel 10 in a horizontal direction (i.e., an angle between the line of sight 15 and a projection line of the line of sight 15 on the display panel 10), the first viewing angle θ a is an angle between the line of sight 15 and a surface of the display panel 10 in a vertical direction (i.e., an angle between the line of sight 15 and the projection line of sight 15 on the display panel 10), however, the two angles of view specified by the present invention are not limited thereto, as long as any two different angles of view of the line of sight 15 of the human eye to the front lens region 12 relative to the display panel 10 in space can be applied, and the first angle of view θ a and the second angle of view θ B can be detected by the camera 14 of the display panel 10 or other sensors on the display panel 10.
In an embodiment of the invention, the color difference adjusting device 50 is used to calculate the Gamma setting of the front lens area according to the specific viewing angle and the tilt direction of the human eye and the display panel 10, as shown in fig. 4, the Gamma setting 31 of the Gamma device 30 of the invention includes n × m preset Gamma settings Gamma (1,1) -Gamma (n, m) corresponding to n preset first viewing angles θ a (1) - θ a (n) and m preset second viewing angles θ B (1) - θ B (m), the (i, j) preset Gamma setting Gamma (i, j) corresponding to the i preset first viewing angle θ a (i) and the j preset second viewing angle θ B (j), wherein n, m is an integer greater than 1, i is an integer from 1 to n, j is an integer from 1 to m, θ a (1) is 0 degree, θ a (n) is 90 degrees, theta A (1) -theta A (n) are increased from 0 degree to 90 degrees, theta B (1) is 0 degree, theta B (n) is 90 degrees, and theta B (1) -theta B (m) are increased from 0 degree to 90 degrees. For example, when n is 4 and m is 4, θ a (1), θ a (2), θ a (3), and θ a (4) may be 0 degrees, 30 degrees, 60 degrees, and 90 degrees, respectively, θ B (1), θ B (2), θ B (3), and θ B (4) may be 0 degrees, 30 degrees, 60 degrees, and 90 degrees, respectively, and the Gamma device 30 has 16 Gamma setting groups such as (1,1) -th to (4,4) -th preset Gamma setting Gamma (1, 4), and the like.
When the driving unit 60 drives the display panel 10 to display a display pixel 401 of a display frame 40 in the front lens region 12 of the display panel 10, the display driving device 20 detects a target first viewing angle θ a-target and a target second viewing angle θ B-target according to the line of sight 15 of the current human eye to the front lens region 12, as shown in fig. 5, according to the n preset first viewing angles θ a (1) - θ a (n) and the m preset second viewing angles θ B (1) - θ B (m), the color difference adjustment device 50 determines that the target first viewing angle θ a-target is between the preset first viewing angles θ a (i-1) and θ a (i), and the target second viewing angle θ B-target is between the preset second viewing angles θ B (j-1) and θ B (j), so that, under the line of sight 15 of the current human eye to the front lens region 12, the target Gamma-target for compensating the front lens region 12 is set according to four preset Gamma settings, i-1, j-1, i, j-1 corresponding to the preset first view angle thetaa (i-1) and the preset second view angle thetab (j-1), i, j-1, i, j, i, j, i, j, i, j, i, j, i, to perform bilinear interpolation (bilinear interpolation) calculation.
In this embodiment, as shown in fig. 6, the Gamma voltage value Vp-target of the target Gamma setting Gamma-target to be calculated is BI (Vp-1, Vp-2, Vp-3, Vp-4) at the gray level p, wherein Vp-1 is a preset Gamma and sets a Gamma voltage value of Gamma (i-1, j-1) at a gray level p, Vp-2 is a preset Gamma and sets a Gamma voltage value of Gamma (i, j-1) at a gray level p, Vp-3 is a preset Gamma and sets a Gamma voltage value of Gamma (i-1, j) at a gray level p, Vp-4 is a preset Gamma and sets a Gamma voltage value of Gamma (i, j) at a gray level p, BI () is a bilinear interpolation operation function, since the bilinear interpolation function is a known mathematical operation function, it will not be described in detail herein.
When the driving unit 60 drives the display panel 10 to display the display pixels 401 in the front lens area 12 of the display panel 10, the Gamma-target of the target Gamma calculated by the chromatic aberration adjusting device 50 of the embodiment can effectively solve the chromatic aberration problem of the front lens area 12 of the display panel 10 without storing the Gamma setting corresponding to the line of sight 15 of the current human eye to the front lens area 12, so as to meet the memory capacity limitation.
In another embodiment of the present invention, the chromatic aberration adjusting apparatus 50 is used to calculate the compensation setting 35 of the front lens area according to the specific viewing angle and the tilt direction of the human eye and the display panel 10, as shown in fig. 7, the compensation setting 35 of the gamma apparatus 30 of the present invention includes n × m preset compensation settings Comp (1,1) -Comp (n, m) corresponding to n preset first viewing angles θ a (1) - θ a (n) and m preset second viewing angles θ B (1) - θ B (m), the (i, j) preset compensation setting Comp (i, j) corresponds to the i preset first viewing angle θ a (i) and the j preset second viewing angle θ B (j), wherein n and m are integers greater than 1, i is an integer between 1 and n, j is an integer between 1 and m, θ a (1) is 0 degree, and θ a (n) is 90 degrees, theta A (1) -theta A (n) are increased from 0 degree to 90 degrees, theta B (1) is 0 degree, theta B (n) is 90 degrees, and theta B (1) -theta B (m) are increased from 0 degree to 90 degrees. For example, when n is 4 and m is 4, θ a (1), θ a (2), θ a (3), and θ a (4) may be 0 degrees, 30 degrees, 60 degrees, and 90 degrees, respectively, θ B (1), θ B (2), θ B (3), and θ B (4) may be 0 degrees, 30 degrees, 60 degrees, and 90 degrees, respectively, the gamma device 30 has 16 compensation settings such as (1,1) th preset compensation setting Comp (1,1) to (4,4) th preset compensation setting Comp (4,4), and in one embodiment, the pixel compensation values of the compensation settings are ratios.
When the driving unit 60 drives the display panel 10 to display a display pixel 401 of a display frame 40 in the front lens region 12 of the display panel 10, the display driving device 20 detects a target first viewing angle θ a-target and a target second viewing angle θ B-target according to the line of sight 15 of the current human eye to the front lens region 12, as shown in fig. 8, according to the n preset first viewing angles θ a (1) - θ a (n) and the m preset second viewing angles θ B (1) - θ B (m), the color difference adjustment device 50 determines that the target first viewing angle θ a-target is between the preset first viewing angles θ a (i-1) and θ a (i), and the target second viewing angle θ B-target is between the preset second viewing angles θ B (j-1) and θ B (j), so that, under the line of sight 15 of the current human eye to the front lens region 12, the target compensation setting Comp-target for compensating the front lens region 12 can be determined according to four preset compensation settings, i-1, j-1, the (i, j-1) th compensation setting Comp (i, j-1) corresponding to the preset first view angle thetaa (i-1) and the preset second view angle thetab (j-1), the (i, j-1) th compensation setting Comp (i, j-1) corresponding to the preset first view angle thetaa (i-1) and the preset second view angle thetab (j), the (i-1, j) th compensation setting Comp (i-1, j) corresponding to the preset first view angle thetaa (i-1) and the preset second view angle thetab (j), and the (i, j) th compensation setting Comp (i, j) corresponding to the preset first view angle thetaa (i) and the preset second view angle thetab (j), to perform bilinear interpolation (bilinear interpolation) calculation. That is, the specific color pixel compensation value comS-target of the target compensation setting to be calculated is BI (comS-1, comS-2, comS-3, comS-4), wherein comS-1 is the specific color pixel compensation value of the preset compensation setting Comp (i-1, j-1), comS-2 is the specific color pixel compensation value of the preset compensation setting Comp (i, j-1), comS-3 is the specific color pixel compensation value of the preset compensation setting Comp (i-1, j), com-4 is the specific color pixel compensation value of the preset compensation setting Comp (i, j), and BI () is a bilinear interpolation operation function, which is a known mathematical operation function and thus will not be described in detail herein.
Taking red, green and blue (R/G/B) specific colors as an example, the R/G/B pixel compensation values comR-target, comG-target and comB-target of the target compensation setting Comp-target calculated by the color difference adjustment device 50 of this embodiment are each a ratio for adjusting the original R/G/B pixel values as follows:
R’＝R·comR-target；
G’＝G·comG-target；
B’＝B·comB-target；
wherein, R '/G '/B ' represents the compensated pixel value. Accordingly, when the driving unit 60 drives the display panel 10 to display the display pixels 401 in the front lens region 12 of the display panel 10, the problem of chromatic aberration of the front lens region 12 of the display panel 10 can be effectively solved without storing the compensation setting corresponding to the line of sight 15 of the human eye to the front lens region 12, so as to meet the limitation of the memory capacity.
The above-described embodiments are merely exemplary for convenience in explanation, and the scope of the claims of the present invention should be determined by the claims rather than by the limitations of the above-described embodiments.
Claims (12)
1. A display driving device corrects display pixels to be displayed in a front lens area of a display panel according to a first viewing angle and a second viewing angle planned by detecting a line of sight between a human eye and the front lens area of the display panel, the display driving device comprising:
a gamma device having at least one gamma setting, the at least one gamma setting comprising n × m preset gamma settings corresponding to n preset first viewing angles and m preset second viewing angles, wherein the (i, j) th preset gamma setting corresponds to the (i) th preset first viewing angle and the (j) th preset second viewing angle, wherein n, m is an integer greater than 1, i is any integer from 1 to n, and j is any integer from 1 to m; and
a color difference adjusting device, comparing the n preset first viewing angles and the m preset second viewing angles with the target first viewing angle and the target second viewing angle according to a target first viewing angle and a target second viewing angle detected by the sight of the current human eyes to the front lens area, selecting four preset gamma settings from the n x m preset gamma settings, and performing bilinear interpolation calculation to generate a target gamma setting.
2. The display driving apparatus of claim 1, wherein the target first viewing angle is between (i-1) th and (i-1) th preset first viewing angles, the target second viewing angle is between (j-1) th and (j-1) th preset second viewing angles, the target gamma setting is based on (i-1, j-1) th preset gamma setting corresponding to the (i-1) th preset first viewing angle and the (j-1) th preset second viewing angle, (i, j-1) th preset gamma setting corresponding to the i-th preset first viewing angle and the (j-1) th preset second viewing angle, (i-1, j) th preset gamma setting corresponding to the (i-1) th preset first viewing angle and the j-th preset second viewing angle, and (i) th preset first viewing angle and the j-th preset second viewing angle, j) the preset gamma setting is used for carrying out bilinear interpolation calculation to generate the gamma value.
3. The display driving apparatus according to claim 2, wherein the target gamma is set at a corresponding gamma voltage value of a specific gray-scale value: and BI (Vp-1, Vp-2, Vp-3, Vp-4), wherein Vp-1 is the (i-1, j-1) th preset gamma set at the gamma voltage value of the specific gray-scale value, Vp-2 is the (i, j-1) th preset gamma set at the gamma voltage value of the specific gray-scale value, Vp-3 is the (i-1, j) th preset gamma set at the gamma voltage value of the specific gray-scale value, Vp-4 is the (i, j) th preset gamma set at the gamma voltage value of the specific gray-scale value p, and BI () is a bilinear interpolation operation function.
4. A display driving device corrects data of display pixels to be displayed in a front lens area of a display panel according to a first viewing angle and a second viewing angle planned by detecting a line of sight between a human eye and the front lens area of the display panel, the display driving device comprising:
a gamma device having at least one compensation setting, the at least one compensation setting comprising n × m preset compensation settings corresponding to n preset first viewing angles and m preset second viewing angles, the (i, j) th preset compensation setting corresponding to the i preset first viewing angle and the j preset second viewing angle, wherein n, m is an integer greater than 1, i is any integer between 1 and n, and j is any integer between 1 and m; and
a chromatic aberration adjusting device, which compares the n preset first visual angles and the m preset second visual angles with the target first visual angle and the target second visual angle according to a target first visual angle and a target second visual angle detected by the sight of the current human eyes to the front lens area, selects four preset compensation settings from the n multiplied by m preset compensation settings, and carries out bilinear interpolation calculation to generate a target compensation setting.
5. The display driving apparatus according to claim 4, wherein the target first viewing angle is between the (i-1) th predetermined first viewing angle and the ith predetermined second viewing angle, the target second viewing angle is between the (j-1) th predetermined second viewing angle, the target compensation setting is based on the (i-1, j-1) th predetermined compensation setting corresponding to the (i-1) th predetermined first viewing angle and the (j-1) th predetermined second viewing angle, the (i, j-1) th predetermined compensation setting corresponding to the i-1) th predetermined first viewing angle and the (j-1) th predetermined second viewing angle, the (i-1, j) th predetermined compensation setting corresponding to the (i-1) th predetermined first viewing angle and the j-1 th predetermined second viewing angle, and the (i) th predetermined first viewing angle and the j-th predetermined second viewing angle, j) the compensation setting is preset to perform bilinear interpolation calculation.
6. The display driving device as claimed in claim 5, wherein the target compensation setting specific color pixel compensation value is: the method comprises the following steps of BI (comS-1, comS-2, comS-3 and comS-4), wherein the comS-1 is a specific color pixel compensation value preset for compensation in an (i-1, j-1) th mode, the comS-2 is a specific color pixel compensation value preset for compensation in an (i, j-1) th mode, the comS-3 is a specific color pixel compensation value preset for compensation in an (i-1, j) th mode, the comS-4 is a specific color pixel compensation value preset for compensation in an (i, j) th mode, and BI () is a bilinear interpolation operation function.
7. A display device, comprising:
a display panel having a front lens region; and
a display driver for correcting display pixels to be displayed in a front lens region of a display panel according to a first viewing angle and a second viewing angle defined by detecting a line of sight between a human eye and the front lens region, the display driver comprising:
a gamma device having at least one gamma setting, the at least one gamma setting comprising n × m preset gamma settings corresponding to n preset first viewing angles and m preset second viewing angles, wherein the (i, j) th preset gamma setting corresponds to the (i) th preset first viewing angle and the (j) th preset second viewing angle, wherein n, m is an integer greater than 1, i is any integer from 1 to n, and j is any integer from 1 to m; and
a color difference adjusting device, which compares the n preset first viewing angles with the m preset second viewing angles according to a target first viewing angle and a target second viewing angle detected by the current human eye for the sight of the front lens area, selects four preset gamma settings from the n x m preset gamma settings, and performs bilinear interpolation calculation to generate a target gamma setting.
8. The display device of claim 7, wherein the target first viewing angle is between (i-1) th and (i) th predetermined first viewing angles, the target second viewing angle is between (j-1) th and (j-1) th predetermined second viewing angles, the target gamma setting is based on (i-1, j-1) th predetermined gamma settings corresponding to the (i-1) th predetermined first viewing angle and the (j-1) th predetermined second viewing angle, (i, j-1) th predetermined gamma settings corresponding to the i-th predetermined first viewing angle and the (j-1) th predetermined second viewing angle, (i-1, j) th predetermined gamma settings corresponding to the (i-1) th predetermined first viewing angle and the j-th predetermined second viewing angle, and (i) th predetermined first viewing angle and the j-th predetermined second viewing angle, j) the preset gamma setting is used for carrying out bilinear interpolation calculation to generate the gamma value.
9. The display apparatus of claim 8, wherein the target gamma is set at a gamma voltage value corresponding to a particular gray-scale value of: and BI (Vp-1, Vp-2, Vp-3, Vp-4), wherein Vp-1 is the (i-1, j-1) th preset gamma set at the gamma voltage value of the specific gray-scale value, Vp-2 is the (i, j-1) th preset gamma set at the gamma voltage value of the specific gray-scale value, Vp-3 is the (i-1, j) th preset gamma set at the gamma voltage value of the specific gray-scale value, Vp-4 is the (i, j) th preset gamma set at the gamma voltage value of the specific gray-scale value p, and BI () is a bilinear interpolation operation function.
10. A display device, comprising:
a display panel having a front lens region; and
a display driver for correcting display pixels to be displayed in a front lens region of a display panel according to a first viewing angle and a second viewing angle defined by detecting a line of sight between a human eye and the front lens region, the display driver comprising:
a gamma device having at least one compensation setting, the at least one compensation setting comprising n × m preset compensation settings corresponding to n preset first viewing angles and m preset second viewing angles, the (i, j) th preset compensation setting corresponding to the i preset first viewing angle and the j preset second viewing angle, wherein n, m is an integer greater than 1, i is any integer between 1 and n, and j is any integer between 1 and m; and
a chromatic aberration adjusting device, which compares the n preset first visual angles and the m preset second visual angles with the target first visual angle and the target second visual angle according to a target first visual angle and a target second visual angle detected by the sight of the current human eyes to the front lens area, selects four preset compensation settings from the n multiplied by m preset compensation settings, and carries out bilinear interpolation calculation to generate a target compensation setting.
11. The display apparatus according to claim 10, wherein the target first viewing angle is between the (i-1) th preset first viewing angle and the (i-1) th preset second viewing angle, the target compensation setting is between the (j-1) th preset second viewing angle and the (j-1) th preset compensation setting corresponding to the (i-1) th preset first viewing angle and the (j-1) th preset second viewing angle, the (i, j-1) th preset compensation setting corresponding to the i-1) th preset first viewing angle and the (j-1) th preset second viewing angle, the (i-1, j) th preset compensation setting corresponding to the (i-1) th preset first viewing angle and the j-1 th preset second viewing angle, and the (i) th preset compensation setting corresponding to the i-th preset first viewing angle and the j-th preset second viewing angle, j) the compensation setting is preset to perform bilinear interpolation calculation.
12. The display apparatus according to claim 11, wherein the target compensation setting has a compensation value of a specific color pixel as follows: and BI (comS-1, comS-2, comS-3, comS-4), wherein comS-1 is a specific color pixel compensation value of the (i-1, j-1) th preset compensation setting, comS-2 is a specific color pixel compensation value of the (i, j-1) th preset compensation setting, comS-3 is a specific color pixel compensation value of the (i-1, j) th preset compensation setting, comS-4 is a specific color pixel compensation value of the (i, j) th preset compensation setting, and BI () is a bilinear interpolation operation function.
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| CN202110290665.0A CN115116368A (en) | 2021-03-18 | 2021-03-18 | Display driving device and display device comprising same |
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