WO2016161754A1 - 显示驱动方法、驱动电路和显示装置 - Google Patents
显示驱动方法、驱动电路和显示装置 Download PDFInfo
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- WO2016161754A1 WO2016161754A1 PCT/CN2015/088558 CN2015088558W WO2016161754A1 WO 2016161754 A1 WO2016161754 A1 WO 2016161754A1 CN 2015088558 W CN2015088558 W CN 2015088558W WO 2016161754 A1 WO2016161754 A1 WO 2016161754A1
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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
- G09G3/2003—Display of colours
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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
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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
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/02—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the way in which colour is displayed
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/10—Image acquisition modality
- G06T2207/10024—Color image
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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
- G09G2340/00—Aspects of display data processing
- G09G2340/06—Colour space transformation
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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
- G09G2340/00—Aspects of display data processing
- G09G2340/14—Solving problems related to the presentation of information to be displayed
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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
- G09G2354/00—Aspects of interface with display user
Definitions
- the present disclosure relates to a display device for a color vision defect person, and in particular to a display driving method, a driving circuit that performs the display driving method, and a display device including the driving circuit.
- Color blindness is a common visual abnormality or missing disease, usually referred to by genetic factors, which is manifested by the lack of recognition of certain colors or the inability to recognize colors. According to statistics, male color blindness accounts for about 8% of the total male population, and female color blindness accounts for about 0.5% of the total female population. Due to the lack of color-discoloration ability, it brings a lot of inconvenience to the work and life of patients.
- L-cone cells sensitive to long wavelength (535-575 nm), M-cone cells sensitive to medium wavelength (500-550 nm) and short wavelength (400-450 nm).
- M-cone cells sensitive to medium wavelength (500-550 nm) and short wavelength (400-450 nm).
- Sensitive S-cone cells The cause of color blindness is the absence or variation of retinal cone cells.
- the deletion of L-cone cells corresponds to red dichromatic blindness
- M-cone cells corresponds to green dichromatic blindness
- S-cone cells corresponds to blue dichromatic blindness. Red and green color blindness cannot distinguish between red and green, and blue two-color blind cannot distinguish between blue and green.
- Hans Brettel proposed a two-color blind simulation model.
- the color observed by each two-color blind is concentrated on two planes, but since the angles of the two planes where the two color blinds are observed are small, they can be Approximating a plane, we define the plane as a two-color blind color surface, thus resulting in a simplified two-color blind model.
- two-color blindness is caused by a deletion of three cone cells. This deletion corresponds to a change in one signal in the LMS space, while the other two signals remain unchanged. Therefore, red, green, and blue
- the three two-color blinds are equivalent to transmitting the colors of the RGB space in different directions along the three directions of the LMS.
- red and green are blind to red and green.
- the color discrimination ability is lower, because the red and green colors are distributed on both sides of the red and green color blind color planes, and when projected onto the color surface, the two will coincide and be confused.
- the ability to distinguish between blue and green colors is lower because blue and green colors are distributed on both sides of their color-blind color surface.
- the image can be processed by rotating the H component of each sub-pixel.
- the image is adjusted by this method, the image is easily distorted.
- An object of the present disclosure is to provide a display driving method, a driving circuit that performs the display driving method, and a display device including the driving circuit.
- a display driving method includes:
- Stp1 obtaining the hue of each sub-pixel in the input image
- Stp2 determining whether the sub-pixel to be calculated in the input image is a color that the two-color blind patient can distinguish from the reference color
- Stp3 calculates the hue of the sub-pixel of the output image based on the judgment result of step Stp2.
- step Stp3 further calculates the hue of the sub-pixel of the output image according to formula (1):
- H 1 H 0 + ⁇ H (1)
- H 0 is the hue of the sub-pixel to be calculated in the input image
- H 1 is a hue of a sub-pixel in the output image corresponding to a sub-pixel position to be calculated in the input image
- the sub-pixel to be calculated is a color that the two-color blind patient cannot distinguish from the reference color, ⁇ H ⁇ 0, so that the sub-pixel corresponding to the sub-pixel position to be calculated in the output image becomes a two-color blind patient a color that can be distinguished from the reference color;
- the step Stp1 further includes acquiring saturation of each sub-pixel in the input image
- the saturation of the sub-pixel of the output image is calculated according to the formula (2):
- S 1 is the saturation of the sub-pixel to be calculated in the output image
- S 0 is the saturation of the sub-pixel in the input image that is the same as the position of the sub-pixel to be calculated
- the first range is [315°, 360°]
- the second range is [0°, 45°]
- H 0 is within the first range or within the second range
- the step Stp2 when the hue of the sub-pixel to be calculated in the input image is in the third range, determining that the sub-pixel to be calculated is a color that cannot be distinguished from the reference color,
- the third range is [75°, 165°], and when H 0 is within the third range, in the step Stp3, 1° ⁇ ⁇ H ⁇ 40°, 0 ⁇ ⁇ S ⁇ 1.
- the luminance values of the respective sub-pixels in the output image are the same as the luminance values of the corresponding sub-pixels in the input image.
- the display driving method further includes: between the Stp1 and the Stp2:
- the Stp2 When the calculation start signal is received, the Stp2 is executed, and the output image is displayed according to the calculation result of the Stp3;
- a driving circuit for a display device wherein the driving circuit includes:
- An input signal acquisition module configured to acquire a color tone of each sub-pixel in the input image
- the color determination module is configured to determine whether a sub-pixel to be calculated in the input image is a color that the two-color blind patient can distinguish from the reference color;
- an output signal calculation module wherein the output signal calculation module is connected to the color determination module, and calculates a hue of the sub-pixel of the output image according to the determination result of the color determination module.
- the output signal calculation module is further configured to calculate a hue of the sub-pixel of the output image according to formula (1):
- H 1 H 0 + ⁇ H (1)
- H 0 is the hue of the sub-pixel to be calculated in the input image
- H 1 is a hue of a sub-pixel in the output image corresponding to a sub-pixel position to be calculated in the input image
- the sub-pixel to be calculated is a color that the two-color blind patient cannot distinguish from the reference color, ⁇ H ⁇ 0, so that the sub-pixel corresponding to the sub-pixel position to be calculated in the output image becomes a two-color blind patient a color that can be distinguished from the reference color;
- the input signal acquisition module is further configured to acquire saturation of each sub-pixel in the input image
- the output signal calculation module is further configured to calculate a saturation of the sub-pixel of the output image according to formula (2):
- S 1 is the saturation of the sub-pixel to be calculated in the output image
- S 0 is the saturation of the sub-pixel in the input image that is the same as the position of the sub-pixel to be calculated
- the color determination module determines that the sub-pixel to be calculated is a color that cannot be distinguished from the reference color, ⁇ 40° ⁇ H ⁇ -1 °, -1 ⁇ ⁇ S ⁇ 0, wherein the first range is [315°, 360°], the second range is [0°, 45°], and the color determination module stores the A range and the second range.
- the color determining module determines that the sub-pixel to be calculated is a color that cannot be distinguished from the reference color, the first The third range is [75°, 165°], when H 0 is within the third range, 1° ⁇ ⁇ H ⁇ 40°, 0 ⁇ ⁇ S ⁇ 1, and the third range is stored in the color determination module. .
- the output signal calculation module is configured to control a brightness value of each sub-pixel in the output image to be the same as a brightness value of a corresponding sub-pixel in the input image.
- the display device further includes a trigger module and a control module, wherein the trigger module is connected to the control module, so that the trigger module can send a trigger signal to the control module, and the control module further
- the output signal calculation module is connected to enable the control module to issue a calculation start signal to the output signal calculation module after receiving the trigger signal, and the output signal calculation module can receive the calculation start signal after receiving the calculation start signal start calculating.
- control module is configured to control the driving circuit to directly output the input image when the trigger signal is not received.
- a display device including a driving circuit and a display panel, wherein the driving circuit is the driving circuit provided by the present disclosure, and an output end of the driving circuit The inputs of the display panel are connected.
- FIG. 1 is a schematic flow chart of a display driving method provided by the present disclosure
- FIG. 2 is a block diagram of a driving circuit provided by the present disclosure.
- a display driving method includes:
- Stp1 obtaining the hue of each sub-pixel in the input image
- Stp2 determining whether the sub-pixel to be calculated in the input image is a color that the two-color blind patient can distinguish from the reference color
- Stp3 calculates the hue of the sub-pixel of the output image based on the judgment result of step Stp2.
- step Stp3 includes calculating the hue of the sub-pixel of the output image according to formula (1):
- H 1 H 0 + ⁇ H (1)
- H 0 is the hue of the sub-pixel to be calculated in the input image
- H 1 is a hue of a sub-pixel in the output image corresponding to a sub-pixel position to be calculated in the input image
- the sub-pixel to be calculated is a color that the two-color blind patient cannot distinguish from the reference color, ⁇ H ⁇ 0, so that the sub-pixel corresponding to the sub-pixel position to be calculated in the output image becomes a two-color blind patient a color that can be distinguished from the reference color;
- the reference color refers to one of two colors that cannot be distinguished by a two-color blind patient. For example, when the sub-pixel color to be calculated is red, the reference color is green; when the color of the sub-pixel to be calculated is green, the reference color is red; when the sub-pixel to be calculated is blue, the reference color It is green.
- the color of all sub-pixels in the output image is a two-color blind patient
- the color is distinguishable from the reference color, and therefore, the two-color blind patient can correctly discriminate the image (ie, output image) displayed by the display device by the driving method provided by the present disclosure.
- the value of ⁇ H can be determined from a specifically selected two-color blind simulation model.
- the projection of the color of each sub-pixel in the output image on the two-color blind color surface is not the same as the corresponding reference color in the two-color blind.
- the projections on the color plane overlap, and there is also a distance between the projection of the reference color on the two-color blind color surface, the distance being sufficient for the two-color blind patient to distinguish the color of the sub-pixels in the output image from the reference color Open.
- the saturation of the sub-pixel of the output image is calculated according to the formula (2):
- step Stp3 Also included in the step Stp3 is to calculate the saturation of the sub-pixel of the output image according to the formula (2):
- S 1 is the saturation of the sub-pixel to be calculated in the output image
- S 0 is the saturation of the sub-pixel in the input image that is the same as the position of the sub-pixel to be calculated
- the contrast of the colors that the two-color blind patient cannot distinguish in the input image can be further increased, thereby enabling the two-color blind patient to see an output image closer to the input image.
- the saturation of the sub-pixels in the input image can be adjusted according to the severity of the color-blind patient.
- the saturation is adjusted by no more than 0.45 units, ie
- the color is input to the driving circuit that performs the driving method.
- the color of H 0 in the first range or the second range can be defined as red, and the first range is [315°, 360°], The second range is [0°, 45°]. Therefore, in the step Stp2, when the hue of the sub-pixel to be calculated in the input image is within the first range or within the second range, it is determined that the sub-pixel to be calculated is incapable of being associated with the reference color (green) ) the color of the distinction.
- the hue H 0 of the sub-pixel to be calculated in the input image is within the first range or within the second range, -40° ⁇ ⁇ H ⁇ -1°, -1 ⁇ ⁇ S ⁇ 0 in the step Stp3.
- hue H 0 if the first sub-pixel to be calculated is calculated to be greater than the second sub-pixel hue H 0, then the hue is calculated to be involved in the first sub-pixels is smaller than the calculated ⁇ H second participation
- the ⁇ H of the hue calculation of the sub-pixel to be calculated likewise, the ⁇ S of the hue calculation participating in the first sub-pixel to be calculated is smaller than the ⁇ S of the hue calculation participating in the second sub-pixel to be calculated.
- the green color and the red color cannot be normally distinguished.
- the color tone of the color is in the third range, it is determined that the sub-pixel to be calculated is a color that cannot be distinguished from the reference color (red), wherein
- the third range is [75°, 165°].
- H 0 is within the third range, 1° ⁇ ⁇ H ⁇ 40°, and 0 ⁇ ⁇ S ⁇ 1.
- the larger the H 0 is, the larger the ⁇ H is, the larger the H 0 is, the larger the ⁇ S is means that if the hue H 0 of the first sub-pixel to be calculated is larger than the second sub-pixel to be calculated The hue H 0 , then the ⁇ H of the hue calculation participating in the first sub-pixel to be calculated is larger than the ⁇ H of the hue calculation participating in the second sub-pixel to be calculated, and likewise, the hue of the first sub-pixel to be calculated The calculated ⁇ S is greater than the ⁇ S of the hue calculation participating in the second sub-pixel to be calculated.
- H 0, the smaller the ⁇ H, H 0, the smaller the ⁇ S means: hue H 0 if the first sub-pixel to be calculated to be greater than the second calculated hue H 0 sub-pixels, Then the ⁇ H of the tone calculation of the sub-pixel to be calculated is smaller than the ⁇ H of the tone calculation of the sub-pixel to be calculated, and likewise, the ⁇ S of the tone calculation of the sub-pixel to be calculated is less than the participation. The ⁇ S of the second tonal calculation of the sub-pixel to be calculated.
- the luminance value of each sub-pixel in the output image is the same as the luminance value of the corresponding sub-pixel in the input image.
- the color of the sub-pixel in the input image needs to be adjusted.
- the pair does not need to The color of the sub-pixel in the input image is adjusted.
- the display driving method further comprises: between the Stp1 and the Stp2:
- the calculation start signal can be artificially provided by the viewer, and how the artificial calculation start signal is artificially provided will be described in detail below, which will not be described herein.
- the driving circuit includes:
- An input signal acquisition module 100 configured to acquire a color tone of each sub-pixel in the input image
- a color determination module 200 configured to determine whether a sub-pixel to be calculated in the input graphic is a color that the two-color blind patient can distinguish from the reference color
- the output signal calculation module 300 is connected to the color determination module 200 and calculates the hue of the sub-pixel of the output image according to the determination result of the color determination module 200.
- the output signal calculation module 300 is further configured to calculate the hue of the sub-pixel of the output image according to the formula (1):
- H 1 H 0 + ⁇ H (1)
- H 0 is the hue of the sub-pixel to be calculated in the input image
- H 1 is a hue of a sub-pixel in the output image corresponding to a sub-pixel position to be calculated in the input image
- the sub-pixel to be calculated is a color that the two-color blind patient cannot distinguish from the reference color, ⁇ H ⁇ 0, so that the sub-pixel corresponding to the sub-pixel position to be calculated in the output image becomes a two-color blind patient a color that can be distinguished from the reference color;
- the color determination module 200 stores a two-color blind simulation model, and brings the color of each sub-pixel in the input image into the two-color blind simulation model, so that it can be determined whether each sub-pixel in the input image is The color that the two-color blind patient can distinguish from the reference color.
- the output signal calculation module 300 may include an adder to perform the calculation in the formula (1).
- the above-described driving method provided by the present disclosure can be performed by the above-described driving circuit provided by the present disclosure, so that an input image can be converted into an output image that can be correctly recognized by a two-color blind patient. Moreover, the output signal calculation module 300 only calculates the color that the two-color blind patient cannot distinguish from the reference color, and does not calculate the color that the two-color blind patient can distinguish from the reference color, thereby maximally retaining the original characteristics of the image, and Reduced the amount of calculation.
- the input signal acquisition module 100 is further configured to acquire saturation of each sub-pixel in the input image
- the output signal calculation module is further configured to calculate a saturation of the sub-pixel of the output image according to formula (2):
- S 1 is the saturation of the sub-pixel to be calculated in the output image
- S 0 is the saturation of the sub-pixel in the input image that is the same as the position of the sub-pixel to be calculated
- the driving circuit is used to implement a display suitable for red dichromatic blindness, and a red dichromatic patient cannot color (ie, red) and green with a hue in a first range or a second range.
- a red dichromatic patient cannot color (ie, red) and green with a hue in a first range or a second range.
- H 0 is within the first range or within the second range, -40° ⁇ ⁇ H ⁇ -1°, -1 ⁇ ⁇ S ⁇ 0, wherein the first range is [315°, 360°], the second range is [0°, 45°], and the first range and the second range may be stored in the color determination module 200.
- the driving circuit is used to implement a display suitable for green dichromatic blindness, and a green dichromatic patient cannot distinguish a color (ie, green) having a hue in a third range from red.
- a green dichromatic patient cannot distinguish a color (ie, green) having a hue in a third range from red.
- the hue of the sub-pixel to be calculated in the input image is in the third range
- determining that the sub-pixel to be calculated is a color that cannot be distinguished from the reference color
- the third range is [75°, 165°]
- H 0 is within the third range, 1° ⁇ ⁇ H ⁇ 40°, 0 ⁇ ⁇ S ⁇ 1
- the third range may be stored in the color determination module 200.
- the luminance values of the respective sub-pixels in the output image are the same as the luminance values of the corresponding sub-pixels in the input image.
- the display device further includes a trigger module 400 and a control module 500.
- the trigger module 400 can send a trigger signal to the control module 500, and the control module 500 can output the signal 300 to the output signal after receiving the trigger signal.
- a calculation start signal is issued, and the output signal calculation module 300 may start calculation after receiving the calculation start signal (ie, perform calculation in the formula (1) and/or the formula (2)).
- control module 500 can control the driving circuit to directly output the input image when the trigger signal is not received.
- a display device including a driving circuit and a display panel, wherein the driving circuit is the driving circuit provided by the present disclosure, and an output end of the driving circuit The inputs of the display panel are connected.
- the display device is suitable for a two-color blind patient to view a display graphic, and the display device can ensure the trueness of the image to the utmost extent and minimize the amount of calculation.
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Abstract
Description
Claims (22)
- 一种显示驱动方法,所述显示驱动方法包括:Stp1、获取输入图像中各个亚像素的色调;Stp2、判断输入图像中待计算的亚像素是否为二色盲患者能够与参考颜色相区分的颜色;Stp3、根据步骤Stp2的判断结果计算输出图像的亚像素的色调。
- 根据权利要求1所述的显示驱动方法,其中,所述步骤Stp3包括:根据公式(1)计算输出图像的亚像素的色调:H1=H0+ΔH (1);其中,H0是输入图像中待计算的亚像素的色调;H1是输出图像中与所述输入图像中待计算的亚像素位置对应的亚像素的色调;当所述待计算的亚像素为二色盲患者无法与参考颜色相区分的颜色时,ΔH≠0,以使得所述输出图像中与所述待计算的亚像素位置对应的亚像素成为二色盲患者能够与所述参考颜色区分开的颜色;当所述待计算的亚像素为二色盲患者能够与参考颜色相区分的颜色时,ΔH=0。
- 根据权利要求1所述的显示驱动方法,其中,在所述步骤Stp 1中进一步包括获取所述输入图像中各个亚像素的饱和度;所述步骤Stp3进一步包括:根据公式(2)计算输出图像的亚像素的饱和度:S1=S0+ΔS (2);其中,S1是输出图像中待计算亚像素的饱和度;S0是输入图像中与待计算亚像素位置相同的亚像素的饱和度;当所述待计算的亚像素为二色盲患者无法与参考颜色相区分的颜色时,ΔS≠0;当所述待计算的亚像素为二色盲患者能够与参考颜色相区分的颜 色时,ΔS=0。
- 根据权利要求3所述的显示驱动方法,其中,|ΔS|≤0.45。
- 根据权利要求4所述的显示驱动方法,其中,在所述步骤Stp2中,当所述输入图像中待计算的亚像素的色调在第一范围内或第二范围内时,则判定所述待计算的亚像素为无法与参考颜色相区分的颜色,所述第一范围为[315°,360°],所述第二范围为[0°,45°],当H0在第一范围内或第二范围内时,在所述步骤Stp3中,-40°≤ΔH≤-1°,-1<ΔS<0。
- 根据权利要求5所述的显示驱动方法,其中,当15°<H0≤45°时,在所述步骤Stp3中,-39°≤ΔH≤-1°,-0.099≤ΔS≤-0.001,且H0越大,ΔH越大,H0越大,ΔS越大;当315°≤H0<345°时,在所述步骤Stp3中,-39°≤ΔH≤-1°,-0.099≤ΔS≤-0.001,且H0越大,ΔH越小,H0越大,ΔS越小;当345°≤H0≤360°时,或者0°≤H0≤15°时,在所述步骤Stp3中,ΔH=-40°,ΔS=-0.1。
- 根据权利要求3至6中任意一项所述的显示驱动方法,其中,在所述步骤Stp2中,当所述输入图像中待计算的亚像素的色调在第三范围内时,则判定所述待计算的亚像素为无法与参考颜色相区分的颜色,所述第三范围为[75°,165°],当H0在所述第三范围内时,在所述步骤Stp3中,1°≤ΔH≤40°,0<ΔS<1。
- 根据权利要求7所述的显示驱动方法,其中,当75°≤H0<105°时,在所述步骤Stp3中,1°≤ΔH≤39°,0.001≤ΔS≤0.099,且H0越大,ΔH越大,H0越大,ΔS越大;当105°≤H0≤135°时,在所述步骤Stp3中,ΔH=40°,ΔS=0.1;当135°<H0≤165°时,在所述步骤Stp3中,1°≤ΔH≤39°,0.001≤ΔS≤0.099,且H0越大,ΔH越小,H0越大,ΔS越小。
- 根据权利要求1至6中任意一项所述的显示驱动方法,其中,所述输出图像中各个亚像素的亮度值与所述输入图像中相应的亚像素的亮度值相同。
- 根据权利要求1至6中任意一项所述的显示驱动方法,其中,所述显示驱动方法进一步包括在所述步骤Stp1和所述步骤Stp2之间进行的步骤:判断是否接收到计算开始信号;当接收到所述计算开始信号时,执行所述步骤Stp2,并根据所述步骤Stp3的计算结果显示所述输出图像;当未接收到所述计算开始信号时,直接将所述输入图像输出。
- 一种用于显示装置的驱动电路,所述驱动电路包括:输入信号获取模块,所述输入信号获取模块用于获取输入图像中各个亚像素的色调;颜色判定模块,所述颜色判定模块用于所述判断输入图像中待计算的亚像素是否为二色盲患者能够与参考颜色相区分的颜色;输出信号计算模块,所述输出信号计算模块与所述颜色判定模块相连,并根据所述颜色判定模块的判断结果计算输出图像的亚像素的色调。
- 根据权利要求11所述的驱动电路,其中,所述输出信号计算模块进一步用于根据公式(1)计算输出图像的亚像素的色调:H1=H0+ΔH (1);其中,H0是输入图像中待计算的亚像素的色调;H1是输出图像中与所述输入图像中待计算的亚像素位置对应的亚像素的色调;当所述待计算的亚像素为二色盲患者无法与参考颜色相区分的颜色时,ΔH≠0,以使得所述输出图像中与所述待计算的亚像素位置对应的亚像素成为二色盲患者能够与所述参考颜色区分开的颜色;当所述待计算的亚像素为二色盲患者能够与参考颜色相区分的颜色时,ΔH=0。
- 根据权利要求11所述的驱动电路,其中,所述输入信号获取模块进一步用于获取输入图像中各个亚像素的饱和度,所述输出信号计算模块进一步用于根据公式(2)计算输出图像的亚像素的饱和度:S1=S0+ΔS (2);其中,S1是输出图像中待计算亚像素的饱和度;S0是输入图像中与待计算亚像素位置相同的亚像素的饱和度;当所述待计算的亚像素为二色盲患者无法与参考颜色相区分的颜色时,ΔS≠0;当所述待计算的亚像素为二色盲患者能够与参考颜色相区分的颜色时,ΔS=0。
- 根据权利要求12所述的驱动电路,其中,|ΔS|≤0.45。
- 根据权利要求13所述的驱动电路,其中,当H0在第一范围内或第二范围内时,所述颜色判定模块判定所述待计算的亚像素为无法与参考颜色相区分的颜色,-40°≤ΔH≤-1°,-1<ΔS<0,其中,所述第一范围为[315°,360°],所述第二范围为[0°,45°],所述颜色判定模块中存储有所述第一范围和所述第二范围。
- 根据权利要求15所述的驱动电路,其中,当15°<H0≤45°时,-39°≤ΔH≤-1°,-0.099≤ΔS≤-0.001,且H0越大,ΔH越大,H0越大,ΔS越大;当315°≤H0<345°时,-39°≤ΔH≤-1°,-0.099≤ΔS≤-0.001,且H0越大,ΔH越小,H0越大,ΔS越小;当345°≤H0≤360°时,或者0°≤H0≤15°时,ΔH=-40°,ΔS=-0.1。
- 根据权利要求13至16中任意一项所述的驱动电路,其中,当所述输入图像中待计算的亚像素的色调在第三范围内时,所述颜色判定模块判定所述待计算的亚像素为无法与参考颜色相区分的颜色,所述第三范围为[75°,165°],当H0在所述第三范围内时,1°≤ΔH≤40°,0<ΔS<1,所述颜色判定模块中存储有所述第三范围。
- 根据权利要求17所述的驱动电路,其中,当75°≤H0<105°时,1°≤ΔH≤39°,0.001≤ΔS≤0.099,且H0越大,ΔH越大,H0越大,ΔS越大;当105°≤H0≤135°时,ΔH=40°,ΔS=0.1;当135°<H0≤165°时,1°≤ΔH≤39°,0.001≤ΔS≤0.099,且H0越大,ΔH越小,H0越大,ΔS越小。
- 根据权利要求11至16中任意一项所述的驱动电路,其中,所述输出信号计算模块用于控制所述输出图像中各个亚像素的亮度值与所述输入图像中相应的亚像素的亮度值相同。
- 根据权利要求11至16中任意一项所述的驱动电路,其中,所述显示装置进一步包括触发模块和控制模块,所述触发模块与所示控制模块相连,以使得所述触发模块能够向所述控制模块发出触发信号,所述控制模块进一步与所述输出信号计算模块相连,以使得所述控制模块能够在接收到所述触发信号后向所述输出信号计算模块发出计算开始信号,所述输出信号计算模块能够在接收到所述计算开始信号后开始计算。
- 根据权利要求20所述的驱动电路,其中,所述控制模块能够在未接收到所述触发信号时,控制所述驱动电路直接输出所述输入图像。
- 一种显示装置,所述显示装置包括驱动电路和显示面板,其中,所述驱动电路为权利要求11至21中任意一项所述的驱动电路,所述驱动电路的输出端与所述显示面板的输入端相连。
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