WO2019119588A1 - 显示面板的背光调节方法、背光调节装置及显示装置 - Google Patents

显示面板的背光调节方法、背光调节装置及显示装置 Download PDF

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Publication number
WO2019119588A1
WO2019119588A1 PCT/CN2018/072826 CN2018072826W WO2019119588A1 WO 2019119588 A1 WO2019119588 A1 WO 2019119588A1 CN 2018072826 W CN2018072826 W CN 2018072826W WO 2019119588 A1 WO2019119588 A1 WO 2019119588A1
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WIPO (PCT)
Prior art keywords
backlight module
brightness
green
blue
component
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PCT/CN2018/072826
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English (en)
French (fr)
Inventor
何怀亮
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惠科股份有限公司
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Priority to US16/313,971 priority Critical patent/US10832621B2/en
Publication of WO2019119588A1 publication Critical patent/WO2019119588A1/zh

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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
    • G09G3/3406—Control of illumination source
    • G09G3/3413—Details of control of colour illumination sources
    • 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
    • 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
    • G09G2320/0626—Adjustment of display parameters for control of overall brightness
    • 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

Definitions

  • the embodiments of the present application relate to the field of display technologies, for example, to a backlight adjustment method of a display panel, a backlight adjustment device, and a display device.
  • the liquid crystal display device generally includes a plurality of pixel units, wherein the color presented by the red pixel unit is affected by the penetration spectrum of the red color resistance in the color filter substrate of the liquid crystal display device, and is also subjected to the penetration spectrum of the liquid crystal and the light source.
  • the red color resistance has a phenomenon of penetrating light leakage for some short-wavelength light, resulting in the color of the red pixel unit being orange-red.
  • the transmittance of short-wavelength light has a ratio compared to the transmittance of long-wavelength light, which is much larger than the front view in the case of a large viewing angle, resulting in a severe color shift of the red pixel unit in the case of a large viewing angle.
  • the embodiment of the present application provides a backlight adjustment method for a display panel, a backlight adjustment device, and a display device, which can solve the problem that the short-wavelength light causes a serious color shift of the red pixel unit, and optimizes the display effect of the display device.
  • An embodiment of the present application provides a backlight adjustment method for a display panel, where the display panel includes at least one pixel area and at least one backlight module area, and the pixel area and the backlight module area are in one-to-one correspondence, and each of the pixels
  • the area includes a plurality of pixel units, and the adjustment method includes:
  • the set brightness of the blue backlight module is smaller than the brightness before the blue backlight module is adjusted, and the set brightness of the green backlight module is smaller than the brightness before the green backlight module adjusts.
  • the obtaining the set brightness of the blue backlight module and the green backlight module according to the hue angle value and the saturation includes:
  • the hue angle value is greater than 0 degrees and less than or equal to 45 degrees, the set brightness of the blue backlight module and the green backlight module is obtained according to the saturation.
  • the obtaining the set brightness of the blue backlight module and the green backlight module according to the hue angle value and the saturation includes:
  • the hue angle value is greater than 315 degrees and less than or equal to 360 degrees, the set brightness of the blue backlight module and the green backlight module is obtained according to the saturation.
  • the first color space is a red, green and blue RGB color space.
  • the second color space is an LCH color space.
  • the display panel is a liquid crystal display panel.
  • the embodiment of the present application provides a backlight adjustment device for a display panel, the display panel includes at least one pixel area and at least one backlight module area, the pixel area and the backlight module area are in one-to-one correspondence, and each of the pixel areas
  • the method includes a plurality of pixel units, and the adjusting device includes:
  • a component acquisition module configured to acquire a first component, a second component, and a third component first color space of each pixel unit in the first color space in the pixel region;
  • tone saturation acquisition module electrically connected to the component acquisition module, wherein the tone saturation acquisition module is configured to: according to an average value of the first component of the pixel unit in the pixel region, an average value of the second component, and a third The average of the components obtains the hue angle value and saturation in the second color space;
  • a brightness acquisition module electrically connected to the hue saturation acquisition module, the set brightness acquisition module being configured to acquire a blue backlight module corresponding to the pixel area according to the hue angle value and the saturation Setting brightness of the green backlight module;
  • a backlight brightness adjustment module electrically connected to the set brightness acquisition module, the backlight brightness adjustment module being configured to perform at least one of the following two steps: adjusting the brightness according to the set brightness of the blue backlight module The brightness of the blue backlight module; and adjusting the brightness of the green backlight module according to the set brightness of the green backlight module;
  • the control module is electrically connected to the backlight brightness adjustment module, and the control module is configured to control the brightness of the blue backlight module to be less than the brightness of the blue backlight module before adjustment, and the setting of the green backlight module The brightness is less than the brightness of the green backlight module before adjustment.
  • the setting brightness obtaining module is further configured to:
  • the hue angle value is greater than 0 degrees and less than or equal to 45 degrees, the set brightness of the blue backlight module and the green backlight module is obtained according to the saturation.
  • the obtaining the set brightness of the blue backlight module and the green backlight module according to the hue angle value and the saturation includes:
  • the hue angle value is greater than 315 degrees and less than or equal to 360 degrees, the set brightness of the blue backlight module and the green backlight module is obtained according to the saturation.
  • the first color space is a red, green and blue RGB color space.
  • the second color space is an LCH color space.
  • the display panel is a liquid crystal display panel.
  • the embodiment of the present application further provides a display device, including the backlight adjustment device, the backlight module, and the display panel:
  • the backlight adjustment device is electrically connected to the backlight module, and the backlight adjustment device is configured to adjust brightness of the backlight module;
  • the backlight module is located under the display panel, and the backlight module is configured to provide a light source to the display panel.
  • the display panel comprises an array substrate.
  • the display panel further includes a color filter substrate, wherein the color filter substrate is located at a side of the array substrate away from the backlight module.
  • the embodiment of the present application further provides a backlight adjustment method for a display panel, including:
  • the backlight module of the display panel is divided into a plurality of backlight module regions, and each of the backlight module regions is disposed corresponding to one of the pixel regions formed by the pixel unit;
  • the blue backlight module in the backlight module region of the pixel region pixel unit is corresponding to the saturation Setting brightness of the green backlight module;
  • the set brightness of the blue backlight module is smaller than the brightness before the blue backlight module is adjusted, and the set brightness of the green backlight module is smaller than the brightness before the green backlight module adjusts.
  • the first color space is a red, green and blue RGB color space.
  • the second color space is an LCH color space.
  • the display panel is a liquid crystal display panel.
  • the embodiment of the present application further provides a computer readable storage medium storing computer executable instructions for performing any of the above methods.
  • Embodiments of the present application further provide a backlight adjustment apparatus including one or more processors, a memory, and one or more programs, the one or more programs being stored in a memory when being one or more The above method is executed when the processor executes.
  • the embodiment of the present application further provides a computer program product, the computer program product comprising a computer program stored on a non-transitory computer readable storage medium, the computer program comprising program instructions, when the program instructions are executed by a computer
  • the computer is caused to perform any of the above methods.
  • FIG. 1 is a schematic flow chart of a backlight adjustment method of a display panel according to an embodiment
  • FIG. 2 is a schematic flow chart of another backlight adjustment method of a display panel according to an embodiment
  • FIG. 3 is a schematic structural diagram of a display device according to an embodiment
  • FIG. 4 is a schematic structural diagram of another display device according to an embodiment
  • FIG. 5 is a schematic flow chart of another backlight adjustment method of a display panel according to an embodiment
  • FIG. 6 is a schematic diagram showing the hardware structure of a backlight adjusting device according to an embodiment.
  • FIG. 1 is a schematic flowchart of a method for adjusting a backlight of a display panel according to an embodiment of the present disclosure.
  • the backlight adjustment method can be applied to a scene in which a brightness of a backlight module in a display panel needs to be adjusted.
  • the adjusting device is configured to: wherein the display panel comprises at least one pixel area and at least one backlight module area, the pixel area and the backlight module area are in one-to-one correspondence, and each of the pixel areas comprises a plurality of pixel units.
  • the method includes:
  • Step 110 Acquire a first component, a second component, and a third component of each pixel unit in the first color space in the display panel.
  • Step 120 Acquire a hue angle value and a saturation degree in the second color space according to an average value of the first component of the pixel unit, an average value of the second component, and an average value of the third component.
  • the first color space may be an RGB color space
  • the first component may be an R component
  • the second component may be a G component
  • the third component may be a B component.
  • the RGB color space is defined based on the color recognized by the human eye, and the three values of the hue angle value, the brightness, and the saturation are represented together, so that the R component, the G component, and the B component are related to each other, that is, the R component, G.
  • the component and the B component are not independent of each other.
  • obtaining a first component, a second component, and a third component of each pixel unit in the first color space in the display panel thereby obtaining an average value of the first component of all pixel units in the display panel, Ave R, The average of the two components Ave G and the average of the third component Ave B.
  • the second color space may be exemplarily set as an LCH color space, and the RGB color space may be converted into an LCH color space (L is brightness, C is saturation, H is a hue angle value), wherein the brightness L, the saturation C, and The hue angle values H are independent of each other, and the determination of the pixel unit parameters in the display panel can be performed according to a single component.
  • the hue angle value H and the saturation C in the second color space may be acquired according to the average value Ave R of the first component of the acquired pixel unit, the average value Ave G of the second component, and the average value Ave B of the third component, for example , H can be equal to f1 (Ave R, Ave G, Ave B), and C can be equal to f2 (Ave R, Ave G, Ave B).
  • Step 130 Acquire a set brightness of the blue backlight module and the green backlight module according to the hue angle value and the saturation.
  • the set brightness of the blue backlight module and the green backlight module may be obtained according to the obtained hue angle value and saturation in the acquired second color space.
  • the pixel unit corresponding to the hue angle value when the pixel unit corresponding to the hue angle value is 0°, the pixel unit presents a pure red color; when the pixel unit corresponding to the hue angle value is 90°, the pixel unit presents a pure yellow color; when the pixel unit corresponds to the hue angle
  • the value is 180°, the pixel unit exhibits pure green color; when the pixel unit corresponds to a hue angle value of 270°, the pixel unit exhibits a pure blue color, and the pixel unit has a hue angle value H that changes from 0° to 360°.
  • the color of the unit is changed from pure red to pure yellow, then to pure green, to gradient to pure blue, and then back to pure red, and the saturation of the pixel unit in the LCH color space can be greater than or equal to 0. Less than or equal to 100, when the saturation is 100, the color of the pixel unit is the most vivid.
  • the set brightness of the blue backlight module and the green backlight module may be acquired according to the saturation C.
  • the obtained hue angle value H is greater than 0° and less than or equal to 45°, or greater than 315° and less than or equal to 360°
  • the acquired saturation C is greater than C1 and less than C2
  • it can be determined that the set brightness of the blue backlight module is A_B1
  • the brightness of the green backlight module is A_G1.
  • the determination of the saturation C may be limited according to the user's requirement for the saturation of the red pixel unit in the display panel, which is not limited in this embodiment of the present application.
  • the brightness adjustment of the green backlight module and the blue backlight module can be adjusted according to the actual characteristics of the display panel, as long as the adjusted brightness of the adjusted green backlight module is less than the brightness of the green backlight module before adjustment, the adjusted blue The setting brightness of the color backlight module is smaller than the brightness before the blue backlight module is adjusted.
  • the adjustment ratio of the brightness of the green backlight module and the blue backlight module may be increased, that is, the green backlight is added.
  • the ratio of the brightness of the module to the blue backlight module when the color of the image quality in the display panel is close to yellow, the adjustment ratio of the brightness of the blue backlight module is increased, and the brightness of the green backlight module can be adjusted or adjusted according to the required characteristics.
  • Step 140 Perform at least one of the following two steps: adjusting the brightness of the blue backlight module according to the set brightness of the blue backlight module; and adjusting the brightness of the green backlight module according to the set brightness of the green backlight module.
  • the setting brightness of the blue backlight module is less than the brightness before the blue backlight module is adjusted, and the setting brightness of the green backlight module is less than the brightness before the green backlight module is adjusted.
  • the brightness of the blue backlight module may be adjusted according to the set brightness of the blue backlight module obtained in the above step, or the brightness of the green backlight module may be adjusted according to the set brightness of the obtained green backlight module, or according to the setting of the blue backlight module.
  • the brightness of the blue backlight module is adjusted according to the brightness, and the brightness of the green backlight module is adjusted according to the set brightness of the green backlight module. Since the setting brightness of the blue backlight module is smaller than the brightness before the blue backlight module is adjusted, the setting brightness of the green backlight module is smaller than the brightness before the green backlight module is adjusted, and the brightness of the adjusted blue backlight module is set to the set brightness.
  • the brightness of the blue backlight module is lowered, and the brightness of the adjusted green backlight module is set to a set brightness so that the brightness of the green backlight module is lowered, whether the blue backlight module or the green backlight module is adjusted according to the set brightness.
  • adjusting the brightness of the blue backlight module and the green backlight module at the same time all of which can reduce the light leakage of the short-wavelength light to the red pixel unit, and solve the problem that the short-wavelength light causes a serious color shift of the red pixel unit, and optimizes the display.
  • the display effect of the device is lowered, and the brightness of the adjusted green backlight module is set to a set brightness so that the brightness of the green backlight module is lowered, whether the blue backlight module or the green backlight module is adjusted according to the set brightness.
  • FIG. 2 is a schematic flowchart of a backlight adjustment method of another display panel according to the embodiment, which may be performed by the backlight adjustment apparatus provided by the embodiment of the present application.
  • the method includes:
  • Step 210 Divide a pixel unit in the display panel into a plurality of pixel regions, and each of the pixel regions includes a plurality of pixel units.
  • the display panel may include a plurality of pixel units arranged in a matrix, that is, including a plurality of rows and columns of pixel units, and the pixel unit in the display panel may be divided into a plurality of pixel regions, and each of the pixel regions may include a plurality of rows and columns of pixel units. That is, a plurality of pixel units are included in each pixel area.
  • Step 220 The backlight module of the display panel is divided into a plurality of backlight module regions, and each of the backlight module regions is disposed corresponding to a pixel region formed by the pixel unit.
  • FIG. 3 is a schematic structural diagram of a display device according to an embodiment of the present disclosure.
  • the display device may be, for example, a liquid crystal display device.
  • the display device may include a display panel and a backlight module located below the display panel. 15.
  • the backlight module 15 is for providing a light source for display to the display panel.
  • the display panel may include an array substrate 16 adjacent to the backlight module, and a color filter substrate 17 (only a partial region is shown) on the side of the array substrate 16 away from the backlight module 15.
  • the backlight module 15 may include a plurality of red backlight modules 151, a green backlight module 152, and a blue backlight module 153.
  • the color filter substrate 17 may include a plurality of pixel units 171.
  • FIG. 3 exemplarily according to every 4 pixel units.
  • the pixel unit in the display panel is divided into a plurality of regions 172 (only one region is illustrated in FIG. 3), and each of the pixel cells 171 in each of the regions 172 may include a red pixel unit R, a green pixel unit G, and a blue pixel unit.
  • the light emitted by the backlight module 15 can be irradiated onto the liquid crystal layer (not shown) between the array substrate 16 and the color filter substrate 17 through the opening region 161 on the array substrate 16 to realize the normal function of the liquid crystal display panel.
  • a region 172 formed by a pixel unit may be provided with a backlight module area A composed of a red backlight module 151, a green backlight module 152, and a blue backlight module 153.
  • the embodiment of the present application does not limit the number of pixel units included in the area 172 and the number of backlight modules included in the backlight module area A.
  • Step 230 Acquire a first component, a second component, and a third component of the pixel unit in the pixel region in the first color space.
  • Step 240 Acquire a hue angle value and a saturation degree in the second color space according to an average value of the first component of the pixel unit in the pixel region, an average value of the second component, and an average value of the third component.
  • the hue angle value H' of the second color space may be acquired according to the average value Ave R' of the first component of the pixel unit in the pixel region, the average value Ave G' of the second component, and the average value Ave B' of the third component And saturation C'.
  • H' may be equal to f1 (Ave R', Ave G', Ave B')
  • C' may be equal to f2 (Ave R', Ave G', Ave B').
  • Step 250 Acquire a set brightness of the blue backlight module and the green backlight module in the backlight module area corresponding to the pixel unit of the pixel area according to the hue angle value and the saturation.
  • the acquired hue angle value H′ is greater than 0° and less than or equal to 45°, or greater than 315° and less than or equal to 360°, it is determined that the pixel unit in the pixel region of the display panel presents a color close to red, and then Determining the range in which the acquired saturation C′ is located, for example, when the acquired saturation C′ is greater than C1 and less than C2, the set brightness of the blue backlight module in the backlight module region corresponding to the pixel unit of the pixel region may be determined.
  • A_B1 the brightness of the green backlight module in the backlight module area corresponding to the pixel unit of the pixel area is A_G1.
  • the settings of the blue backlight module 153 and the green backlight module 152 in the backlight module area A set by the corresponding area 172 can be acquired according to the hue angle value H' and the saturation C' of the area 172 of the corresponding pixel unit. brightness.
  • Step 260 Perform at least one of the following two steps: adjusting brightness of the blue backlight module in the backlight module area according to a set brightness of the blue backlight module in the backlight module area; and according to the backlight module area
  • the setting brightness of the green backlight module adjusts the brightness of the green backlight module in the backlight module area.
  • the brightness of the blue backlight module 153 in the backlight module area A can be adjusted according to the set brightness of the blue backlight module 153 in the backlight module area A obtained in the above steps, or according to the obtained backlight module area A.
  • the brightness of the green backlight module 152 adjusts the brightness of the green backlight module 152 in the backlight module area A, or simultaneously adjusts the brightness in the backlight module area A according to the set brightness of the blue backlight module 153 in the backlight module area A.
  • the brightness of the blue backlight module 153 adjusts the brightness of the green backlight module 152 in the backlight module area A according to the set brightness of the green backlight module 152 in the backlight module area A.
  • the set brightness of the blue backlight module 153 is smaller than the brightness before the blue backlight module 153 is adjusted
  • the set brightness of the green backlight module 152 is smaller than the brightness before the green backlight module 152 adjusts, that is, the adjusted blue in the backlight module area A.
  • the brightness of the color backlight module 153 is set to set the brightness such that the brightness of the blue backlight module 153 in the backlight module area A is lowered, and the brightness of the adjusted green backlight module 152 in the backlight module area A is set to the set brightness.
  • the brightness of the green backlight module 152 in the backlight module area A is reduced, which reduces the light leakage of the short-wavelength light to the red pixel unit, and solves the problem that the short-wavelength light causes a serious color shift of the red pixel unit in the fixed backlight module area. Optimized the display effect of the display device.
  • the backlight module in the display panel is divided into a plurality of backlight module regions by dividing the pixel unit in the display panel into a plurality of pixel regions, and each backlight module region is correspondingly set with a pixel region formed by the pixel unit, thereby realizing More precise adjustment of the brightness of the blue backlight module and the green backlight module in each backlight module area.
  • FIG. 4 is a schematic structural diagram of a backlight adjusting device of a display panel according to an embodiment of the present disclosure.
  • the display panel includes at least one pixel area and at least one backlight module area, the pixel area and the backlight module area are in one-to-one correspondence, and each of the pixel areas includes a plurality of pixel units.
  • the backlight adjustment device of the display panel includes a component acquisition module 11, a hue saturation acquisition module 12, a set brightness acquisition module 13, a backlight brightness adjustment module 14, and a control module 15, and the hue saturation acquisition module 12 respectively
  • the component acquisition module 11 and the set brightness acquisition module 13 are electrically connected
  • the backlight brightness adjustment module 14 is electrically connected to the set brightness acquisition module 13 and the control module 15, respectively.
  • the component acquisition module 11 is configured to acquire a first component, a second component, and a third component of each pixel unit in a first color space in a pixel region; the tone saturation acquiring module 12 is configured to use the pixel in the pixel region.
  • the average value of the first component of the unit, the average of the second component, and the average of the third component acquire the hue angle value and the saturation in the second color space;
  • the set brightness acquisition module 13 is configured to use the hue angle value and the saturation
  • the brightness of the blue backlight module and the green backlight module corresponding to the pixel area is obtained;
  • the backlight brightness adjustment module 14 is configured to perform at least one of the following two steps: according to the brightness of the blue backlight module Adjusting the brightness of the blue backlight module; and adjusting the brightness of the green backlight module according to the set brightness of the green backlight module.
  • the control module 15 is configured to control the brightness of the blue backlight module to be less than that before the blue backlight module is adjusted, and the brightness of the green backlight module is less than the brightness of the green backlight module.
  • the display panel may be a liquid crystal display device including an array substrate and a color filter substrate, and liquid crystal molecules between the array substrate and the color filter substrate, and the liquid crystal molecules are under the voltage between the array substrate and the color filter substrate. Deflection occurs to realize the display function of the liquid crystal display device.
  • the backlight adjustment device of the display panel may further include a pixel area division module and a backlight area division module, where the pixel area division module is configured to divide the pixel unit in the display panel into a plurality of pixel areas, and each pixel area includes multiple The pixel area unit is configured to divide the backlight module of the display panel into a plurality of backlight module areas, and each of the backlight module areas is disposed corresponding to a pixel area formed by the pixel unit.
  • the component obtaining module may be electrically connected to the pixel area dividing module, configured to acquire the first component, the second component, and the third component of the pixel unit in the pixel area in the first color space;
  • the tone saturation module may Electrically connecting with the pixel area dividing module, configured to obtain a hue angle value and saturation in the second color space according to an average value of the first component of the pixel unit in the pixel region, an average value of the second component, and an average value of the third component
  • the brightness obtaining module can be electrically connected to the backlight area dividing module, and configured to acquire the set brightness of the blue backlight module and the green backlight module in the backlight module area corresponding to the pixel unit of the pixel area according to the hue angle value and the saturation degree.
  • the backlight brightness adjustment module may be electrically connected to the backlight area dividing module for performing at least one of the following two steps: adjusting the blue in the backlight module area according to the set brightness of the blue backlight module in the backlight module area The brightness of the color backlight module; and adjusting the brightness according to the set brightness of the green backlight module in the backlight module area The brightness of the green backlight module in the backlight module area. That is, the brightness of the blue backlight module in the backlight module area may be adjusted according to the set brightness of the blue backlight module in the backlight module area, or the backlight module area may be adjusted according to the set brightness of the green backlight module in the backlight module area.
  • the brightness of the green backlight module in the middle, or the brightness of the blue backlight module in the backlight module area according to the brightness of the blue backlight module in the backlight module area, and according to the green backlight module in the backlight module area The brightness is adjusted to adjust the brightness of the green backlight module in the area of the backlight module.
  • the setting brightness obtaining module may further be configured to obtain the blue backlight module and the green backlight module according to the saturation when the hue angle value is greater than 0° and less than or equal to 45°, or greater than 315° and less than or equal to 360°. Set the brightness.
  • the embodiment of the present application further provides a display device, including the backlight adjustment device of the above embodiment, further comprising a backlight module and a display panel.
  • the backlight adjustment device is electrically connected to the backlight module for adjusting the brightness of the backlight module.
  • FIG. 5 is a schematic flow chart of another method for adjusting a backlight of a display panel according to an embodiment of the present disclosure.
  • the backlight adjustment method can be applied to a scene in which the brightness of the backlight module in the display panel needs to be adjusted, and can be performed by the backlight adjustment device of the display panel provided by the embodiment of the present application.
  • the method includes:
  • Step 310 Divide a pixel unit in the display panel into a plurality of pixel regions, and each of the pixel regions includes a plurality of pixel units.
  • Step 320 Divide the backlight module of the display panel into a plurality of backlight module regions, and each backlight module region is disposed corresponding to a pixel region formed by the pixel unit.
  • Step 330 Acquire a first component, a second component, and a third component of the pixel unit in the pixel region in the first color space.
  • Step 340 Acquire a hue angle value and a saturation degree in the second color space according to an average value of the first component of the pixel unit in the pixel region, an average value of the second component, and an average value of the third component.
  • Step 350 When the hue angle value is greater than 0° and less than or equal to 45°, or greater than 315° and less than or equal to 360°, the blue backlight module and the green backlight module in the backlight module region corresponding to the pixel unit of the pixel region according to the saturation degree Set the brightness.
  • Step 360 Perform at least one of the following two steps: adjusting brightness of the blue backlight module in the backlight module area according to a set brightness of the blue backlight module in the backlight module area; and according to the backlight module area
  • the setting brightness of the green backlight module adjusts the brightness of the green backlight module in the backlight module area.
  • the setting brightness of the blue backlight module is less than the brightness before the blue backlight module is adjusted, and the setting brightness of the green backlight module is less than the brightness before the green backlight module is adjusted.
  • the embodiment of the present application obtains the set brightness of the blue backlight module and the green backlight module according to the obtained hue angle value and saturation, and adjusts the brightness of the blue backlight module according to the set brightness of the obtained blue backlight module, and/ Or adjusting the brightness of the green backlight module according to the setting brightness corresponding to the green backlight module, and the setting brightness of the blue backlight module is less than the brightness before the blue backlight module is adjusted, and the setting brightness of the green backlight module is less than that before the green backlight module is adjusted.
  • the red pixel unit has a problem of severe color shift, which optimizes the display effect of the display device.
  • the embodiment further provides a computer readable storage medium storing computer executable instructions for performing any of the above methods.
  • FIG. 6 is a schematic diagram showing the hardware structure of a backlight adjustment apparatus according to the present embodiment.
  • the backlight adjustment apparatus includes: one or more processors 610 and a memory 620.
  • One processor 610 is taken as an example in FIG.
  • the backlight adjustment apparatus may further include an input device 630 and an output device 640.
  • the processor 610, the memory 620, the input device 630, and the output device 640 in the backlight adjustment device may be connected by a bus or other means, as exemplified by a bus connection in FIG.
  • the input device 630 can receive input numeric or character information
  • the output device 640 can include a display device such as a display screen.
  • the memory 620 is a computer readable storage medium that can be used to store software programs, computer executable programs, and modules.
  • the processor 610 performs various functional applications and data processing by executing software programs, instructions, and modules stored in the memory 620 to implement any of the above embodiments.
  • the memory 620 may include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application required for at least one function; the storage data area may store data created according to use of the backlight adjustment device, and the like.
  • the memory may include volatile memory such as random access memory (RAM), and may also include non-volatile memory such as at least one magnetic disk storage device, flash memory device, or other non-transitory solid state storage device.
  • Memory 620 can be a non-transitory computer storage medium or a transitory computer storage medium.
  • the non-transitory computer storage medium such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device.
  • memory 620 can optionally include memory remotely disposed relative to processor 610, which can be connected to the backlight conditioning device over a network. Examples of the above networks may include the Internet, an intranet, a local area network, a mobile communication network, and combinations thereof.
  • Input device 630 can be used to receive input digital or character information and to generate key signal inputs related to user settings and function control of the backlight adjustment device.
  • the output device 640 can include a display device such as a display screen.
  • the backlight adjustment apparatus of the present embodiment may further include a communication device 650 that transmits and/or receives information over a communication network.
  • a person skilled in the art can understand that all or part of the process of implementing the above embodiment method can be completed by executing related hardware by a computer program, and the program can be stored in a non-transitory computer readable storage medium.
  • the program when executed, may include the flow of an embodiment of the method as described above, wherein the non-transitory computer readable storage medium may be a magnetic disk, an optical disk, a read only memory (ROM), or a random access memory (RAM). Wait.

Abstract

一种显示面板的背光调节方法、背光调节装置及显示装置，显示面板包括至少一个像素区域和至少一个背光模块区域，像素区域和背光模块区域一一对应，每个像素区域包括多个像素单元。调节方法包括：获取像素区域中每个像素单元在第一颜色空间中的第一分量、第二分量和第三分量（110）；根据像素区域中像素单元的第一分量的平均值、第二分量的平均值和第三分量的平均值获取在第二颜色空间中的色调角度值和饱和度（120）；根据色调角度值和饱和度获取与像素区域相对应的背光模块区域中的蓝色背光模块和绿色背光模块的设定亮度（130）；执行下述两个步骤中的至少一个步骤：根据蓝色背光模块的设定亮度调节蓝色背光模块的亮度；和根据绿色背光模块的设定亮度调节绿色背光模块的亮度；其中，蓝色背光模块的设定亮度小于蓝色背光模块调节前的亮度，绿色背光模块的设定亮度小于绿色背光模块调节前的亮度（140）。

Description

显示面板的背光调节方法、背光调节装置及显示装置 技术领域
本申请实施例涉及显示技术领域，例如涉及一种显示面板的背光调节方法、背光调节装置及显示装置。
背景技术
随着液晶显示装置的应用越来越广泛，液晶显示装置在大视角情况下的色偏现象已成为液晶显示面板发展急需解决的问题。
液晶显示装置一般包括多个像素单元，其中的红色像素单元呈现出来的颜色除了受到液晶显示装置中彩膜基板中的红色色阻的穿透谱的影响，还会受到液晶的穿透谱以及光源的发光谱的影响。而红色色阻对部分短波长的光存在穿透漏光现象，导致红色像素单元的颜色偏橘红色。短波长光的穿透率相较于长波长光的穿透率具有一比例，该比例在大视角情况下远大于正视情况，导致大视角情况下红色像素单元的色偏严重。
发明内容
有鉴于此，本申请实施例提供了一种显示面板的背光调节方法、背光调节装置及显示装置，可以解决短波长光使红色像素单元出现严重色偏的问题，优化了显示装置的显示效果。
本申请实施例提供了一种显示面板的背光调节方法，所述显示面板包括至少一个像素区域和至少一个背光模块区域，所述像素区域和所述背光模块区域一一对应，每个所述像素区域包括多个像素单元，所述调节方法包括：
获取所述像素区域中每个像素单元在第一颜色空间中的第一分量、第二分量和第三分量；
根据该像素区域中所述像素单元的第一分量的平均值、第二分量的平均值和第三分量的平均值获取在第二颜色空间中的色调角度值和饱和度；
根据所述色调角度值和所述饱和度获取与该像素区域相对应的背光模块区域中的蓝色背光模块和绿色背光模块的设定亮度；
执行下述两个步骤中的至少一个步骤：根据所述蓝色背光模块的设定亮度调节所述蓝色背光模块的亮度；和根据所述绿色背光模块的设定亮度调节所述 绿色背光模块的亮度；
其中，所述蓝色背光模块的设定亮度小于所述蓝色背光模块调节前的亮度，所述绿色背光模块的设定亮度小于所述绿色背光模块调节前的亮度。
可选地，所述根据所述色调角度值和所述饱和度获取蓝色背光模块和绿色背光模块的设定亮度包括：
当所述色调角度值大于0度且小于等于45度时，根据所述饱和度获取蓝色背光模块和绿色背光模块的设定亮度。
可选地，所述根据所述色调角度值和所述饱和度获取蓝色背光模块和绿色背光模块的设定亮度包括：
当所述色调角度值大于315度且小于等于360度时，根据所述饱和度获取蓝色背光模块和绿色背光模块的设定亮度。
可选地，所述第一颜色空间为红绿蓝RGB颜色空间。
可选地，所述第二颜色空间为LCH颜色空间。
可选地，所述显示面板为液晶显示面板。
本申请实施例提供一种显示面板的背光调节装置，所述显示面板包括至少一个像素区域和至少一个背光模块区域，所述像素区域和所述背光模块区域一一对应，每个所述像素区域包括多个像素单元，所述调节装置包括：
分量获取模块，设置为获取所述像素区域中每个像素单元在第一颜色空间中的第一分量、第二分量和第三分量第一颜色空间；
色调饱和度获取模块，与所述分量获取模块电连接，所述色调饱和度获取模块设置为根据该像素区域中所述像素单元的第一分量的平均值、第二分量的平均值和第三分量的平均值获取在第二颜色空间中的色调角度值和饱和度；
设定亮度获取模块，与所述色调饱和度获取模块电连接，所述设定亮度获取模块设置为根据所述色调角度值和所述饱和度获取与该像素区域相对应的蓝色背光模块和绿色背光模块的设定亮度；
背光亮度调节模块，与所述设定亮度获取模块电连接，所述背光亮度调节模块设置为执行下述两个步骤中的至少一个步骤：根据所述蓝色背光模块的设定亮度调节所述蓝色背光模块的亮度；和根据所述绿色背光模块的设定亮度调节所述绿色背光模块的亮度；
控制模块，与所述背光亮度调节模块电连接，所述控制模块设置为控制所述蓝色背光模块的设定亮度小于所述蓝色背光模块调节前的亮度，所述绿色背 光模块的设定亮度小于所述绿色背光模块调节前的亮度。
可选地，所述设定亮度获取模块还设置为：
当所述色调角度值大于0度且小于等于45度时，根据所述饱和度获取蓝色背光模块和绿色背光模块的设定亮度。
可选地，所述根据所述色调角度值和所述饱和度获取蓝色背光模块和绿色背光模块的设定亮度包括：
当所述色调角度值大于315度且小于等于360度时，根据所述饱和度获取蓝色背光模块和绿色背光模块的设定亮度。
可选地，所述第一颜色空间为红绿蓝RGB颜色空间。
可选地，所述第二颜色空间为LCH颜色空间。
可选地，所述显示面板为液晶显示面板。
本申请实施例还提供一种显示装置，包括上述的背光调节装置、背光模块以及显示面板：
其中，所述背光调节装置与所述背光模块电连接，所述背光调节装置设置为调节所述背光模块的亮度；
所述背光模块位于所述显示面板下方，所述背光模块设置为给所述显示面板提供光源。
可选地，所述显示面板包括阵列基板。
可选地，所述显示面板还包括彩膜基板，所述彩膜基板位于所述阵列基板远离所述背光模块一侧。
本申请实施例还提供一种显示面板的背光调节方法，包括：
将所述显示面板中的所述像素单元划分为多个像素区域，每个所述像素区域中包括多个所述像素单元；
将所述显示面板的背光模块划分为多个背光模块区域，每个所述背光模块区域对应所述像素单元构成的一所述像素区域设置；
获取所述像素区域中的所述像素单元在第一颜色空间中的第一分量、第二分量和第三分量第一颜色空间；
根据所述像素区域中的所述像素单元的第一分量的平均值、第二分量的平均值和第三分量的平均值获取第二颜色空间中的色调角度值和饱和度；
当色调角度值大于0度且小于等于45度，或者大于315度且小于等于360度时，根据所述饱和度对应该所述像素区域像素单元的所述背光模块区域中的蓝 色背光模块和绿色背光模块的设定亮度；
执行下述两个步骤中的至少一个步骤：根据所述背光模块区域中的蓝色背光模块的设定亮度调节该所述背光模块区域中的蓝色背光模块的亮度；和根据所述背光模块区域中的绿色背光模块的设定亮度调节该所述背光模块区域中的绿色背光模块的亮度；
其中，所述蓝色背光模块的设定亮度小于所述蓝色背光模块调节前的亮度，所述绿色背光模块的设定亮度小于所述绿色背光模块调节前的亮度。
可选地，所述第一颜色空间为红绿蓝RGB颜色空间。
可选地，所述第二颜色空间为LCH颜色空间。
可选地，所述显示面板为液晶显示面板。
本申请实施例还提供一种计算机可读存储介质，存储有计算机可执行指令，所述计算机可执行指令用于执行上述任一方法。
本申请实施例还提供一种背光调节设备，该背光调节设备包括一个或多个处理器、存储器以及一个或多个程序，所述一个或多个程序存储在存储器中，当被一个或多个处理器执行时，执行上述方法。
本申请实施例还提供了一种计算机程序产品，所述计算机程序产品包括存储在非暂态计算机可读存储介质上的计算机程序，所述计算机程序包括程序指令，当所述程序指令被计算机执行时，使所述计算机执行上述任意一种方法。
附图说明
图1为一实施例提供的一种显示面板的背光调节方法的流程示意图；
图2为一实施例提供的另一种显示面板的背光调节方法的流程示意图；
图3为一实施例提供的一种显示装置的结构示意图；
图4为一实施例提供的另一种显示装置的结构示意图；
图5为一实施例提供的另一种显示面板的背光调节方法的流程示意图；
图6是一实施例提供的一种背光调节设备的硬件结构示意图。
具体实施方式
图1为本申请实施例提供的一种显示面板的背光调节方法的流程示意图，背光调节方法可以应用在需要对显示面板中的背光模块的亮度进行调节的场 景，可以由本申请实施例提供的背光调节装置来执行，其中，显示面板包括至少一个像素区域和至少一个背光模块区域，像素区域和背光模块区域一一对应，每个像素区域包括多个像素单元。当显示面板中的所有像素单元归属于一个像素区域，该像素区域对应一个背光模块区域时，该方法包括：
步骤110、获取显示面板中每个像素单元在第一颜色空间中的第一分量、第二分量和第三分量。
步骤120、根据像素单元的第一分量的平均值、第二分量的平均值和第三分量的平均值获取第二颜色空间中的色调角度值和饱和度。
示例性的，第一颜色空间可以是RGB颜色空间，则第一分量可以为R分量，第二分量可以为G分量，第三分量可以为B分量。RGB颜色空间是基于人眼识别的颜色进行定义的，将色调角度值、亮度和饱和度三个量放在一起表示，使得R分量、G分量和B分量之间互相关联，即R分量、G分量和B分量互相不独立。
示例性的，获取显示面板中每个像素单元在第一颜色空间中的第一分量、第二分量和第三分量，进而获取显示面板中所有像素单元的第一分量的平均值Ave R、第二分量的平均值Ave G和第三分量的平均值Ave B。可以示例性地设置第二颜色空间为LCH颜色空间，可以将RGB颜色空间转换至LCH颜色空间(L为亮度，C为饱和度，H为色调角度值)，其中的亮度L、饱和度C和色调角度值H都是相互独立的，可以依据单个分量进行显示面板中像素单元参数的判定。根据获取的像素单元的第一分量的平均值Ave R、第二分量的平均值Ave G和第三分量的平均值Ave B可以获取第二颜色空间中的色调角度值H和饱和度C，例如，H可以等于f1(Ave R，Ave G，Ave B)，C可以等于f2(Ave R，Ave G，Ave B)。
步骤130、根据色调角度值和饱和度获取蓝色背光模块和绿色背光模块的设定亮度。
可以根据获取的第二颜色空间中的色调角度值和饱和度获取蓝色背光模块和绿色背光模块的设定亮度。参照LCH颜色空间，当像素单元对应的色调角度值为0°时，像素单元呈现纯正红色；当像素单元对应的色调角度值为90°时，像素单元呈现纯正黄色；当像素单元对应的色调角度值为180°时，像素单元呈 现纯正绿色；当像素单元对应的色调角度值为270°时，像素单元呈现纯正蓝色，随着像素单元的色调角度值H从0°变化至360°，像素单元呈现的颜色由纯正红色渐变至纯正黄色、再渐变至纯正绿色、在渐变至纯正蓝色、再渐变回纯正红色，且像素单元在LCH颜色空间中的饱和度的范围可以是大于等于0，小于等于100，当饱和度为100时代表像素单元的色彩最鲜艳。
可选的，当色调角度值H大于0°且小于等于45°，或者大于315°且小于等于360°时，可以根据饱和度C获取蓝色背光模块和绿色背光模块的设定亮度。当获取的色调角度值H大于0°且小于等于45°，或者大于315°且小于等于360°时，可以判定显示面板中的像素单元呈现的颜色接近红色，再判定获取的饱和度C所处的范围，例如当获取的饱和度C大于C1，小于C2时，则可以判定蓝色背光模块的设定亮度为A_B1，绿色背光模块的亮度为A_G1。
对饱和度C的判定可以根据用户对显示面板中红色像素单元的饱和度的需求进行具体范围的限定，本申请实施例对此不作限定。
示例性的，绿色背光模块以及蓝色背光模块亮度的调节可以依照显示面板的实际特性进行调整，只要保证调整后的绿色背光模块的设定亮度小于绿色背光模块调整前的亮度，调整后的蓝色背光模块的设定亮度小于蓝色背光模块调整前的亮度即可。示例性的，当显示面板中的画质呈现的颜色接近红色时，相对于显示面板中的画质呈现其它颜色，可以增加绿色背光模块以及蓝色背光模块的亮度的调整比例，即增加绿色背光模块与蓝色背光模块的亮度的下降比例。当显示面板中的画质呈现的颜色接近黄色时，则增加蓝色背光模块的亮度的调整比例，绿色背光模块的亮度则可以根据显示所需特性不作调整或调整较少的比例。
步骤140、执行下述两个步骤中的至少一个步骤：根据蓝色背光模块的设定亮度调节蓝色背光模块的亮度；和根据绿色背光模块的设定亮度调节绿色背光模块的亮度。其中，蓝色背光模块的设定亮度小于蓝色背光模块调节前的亮度，绿色背光模块的设定亮度小于绿色背光模块调节前的亮度。
可以根据上述步骤得到的蓝色背光模块的设定亮度调节蓝色背光模块的亮度，或者根据得到的绿色背光模块的设定亮度调节绿色背光模块的亮度，或者 同时根据蓝色背光模块的设定亮度调节蓝色背光模块的亮度，根据绿色背光模块的设定亮度调节绿色背光模块的亮度。由于蓝色背光模块的设定亮度小于蓝色背光模块调节前的亮度，绿色背光模块的设定亮度小于绿色背光模块调节前的亮度，即将调节后的蓝色背光模块的亮度设置为设定亮度使得蓝色背光模块的亮度降低，将调节后的绿色背光模块的亮度设置为设定亮度使得绿色背光模块的亮度降低，无论是根据设定亮度调节蓝色背光模块或绿色背光模块中的任一个，或是同时调节蓝色背光模块和绿色背光模块的亮度，均能够减少短波长光针对红色像素单元的穿透漏光，解决了短波长光使红色像素单元出现严重色偏的问题，优化了显示装置的显示效果。
可选的，图2为本实施例提供的另一种显示面板的背光调节方法的流程示意图，该方法同样可以由本申请实施例提供的背光调节装置来执行。当显示面板中的所有像素单元归属于多个像素区域时，该方法包括：
步骤210、将显示面板中的像素单元划分为多个像素区域，每个像素区域中包括多个像素单元。
显示面板可以包括多个矩阵排列的像素单元，即包括多行多列像素单元，可以将显示面板中的像素单元划分为多个像素区域，每个像素区域中可以包括多行多列像素单元，即每个像素区域中包括多个像素单元。
步骤220、将显示面板的背光模块划分为多个背光模块区域，每个背光模块区域与像素单元构成的一像素区域对应设置。
示例性的，图3为本申请实施例提供的一种显示装置的结构示意图，显示装置例如可以是液晶显示装置，如图3所示，显示装置可以包括显示面板以及位于显示面板下方的背光模块15，背光模块15用于向显示面板提供显示用的光源。显示面板可以包括邻近背光模块的阵列基板16，以及位于阵列基板16远离背光模块15一侧的彩膜基板17(仅示出部分区域)。其中，背光模块15可以包括多个红色背光模块151、绿色背光模块152以及蓝色背光模块153，彩膜基板17上可以包括多个像素单元171，图3示例性地按照每4个像素单元将显示面板中的像素单元划分为多个区域172(图3仅示出了一个区域)，每个区域172中的每个像素单元171可以包括红色像素单元R、绿色像素单元G和蓝色像素单 元B。背光模块15发光的光可以通过阵列基板16上的开口区161照射至位于阵列基板16和彩膜基板17之间的液晶层(未示出)上，实现液晶显示面板的正常功能。示例性的，如图3所示，对应一像素单元形成的区域172可以设置一红色背光模块151、一绿色背光模块152和一蓝色背光模块153组成的背光模块区域A。
本申请实施例对区域172中包含的像素单元的数量，以及背光模块区域A中包含的背光模块的数量不作限定。
步骤230、获取像素区域中的像素单元在第一颜色空间中的第一分量、第二分量和第三分量。
获取划分后每个像素区域中的每个像素单元在第一颜色空间中的第一分量、第二分量和第三分量，进而可以获取该像素区域中所有像素单元的第一分量的平均值Ave R’、第二分量的平均值Ave G’和第三分量的平均值Ave B’。
步骤240、根据像素区域中的像素单元的第一分量的平均值、第二分量的平均值和第三分量的平均值获取第二颜色空间中的色调角度值和饱和度。
可以根据像素区域中的像素单元的的第一分量的平均值Ave R’、第二分量的平均值Ave G’和第三分量的平均值Ave B’获取第二颜色空间的色调角度值H’和饱和度C’。示例性的，H’可以等于f1(Ave R’，Ave G’，Ave B’)，C’可以等于f2(Ave R’，Ave G’，Ave B’)。
步骤250、根据色调角度值和饱和度获取对应该像素区域像素单元的背光模块区域中的蓝色背光模块和绿色背光模块的设定亮度。
示例性的，可以当获取的色调角度值H’大于0°且小于等于45°，或者大于315°且小于等于360°时，判定显示面板该像素区域中的像素单元呈现的颜色接近红色，再判定获取的饱和度C’所处的范围，例如当获取的饱和度C’大于C1，小于C2时，则可以判定对应该像素区域像素单元的背光模块区域中的蓝色背光模块的设定亮度为A_B1，对应该像素区域像素单元的背光模块区域中的绿色背光模块的亮度为A_G1。参照图3，则可以根据对应像素单元构成的区域172的色调角度值H’和饱和度C’获取对应区域172设置的背光模块区域A中的蓝色背光模块153和绿色背光模块152的设定亮度。
步骤260、执行下述两个步骤中的至少一个步骤：根据背光模块区域中的蓝色背光模块的设定亮度调节该背光模块区域中的蓝色背光模块的亮度；和根据背光模块区域中的绿色背光模块的设定亮度调节该背光模块区域中的绿色背光模块的亮度。
参照图3，可以根据上述步骤得到的背光模块区域A中的蓝色背光模块153的设定亮度调节该背光模块区域A中的蓝色背光模块153的亮度，或者根据得到的背光模块区域A中的绿色背光模块152的设定亮度调节该背光模块区域A中的绿色背光模块152的亮度，或者同时根据背光模块区域A中的蓝色背光模块153的设定亮度调节该背光模块区域A中的蓝色背光模块153的亮度，根据背光模块区域A中的绿色背光模块152的设定亮度调节该背光模块区域A中的绿色背光模块152的亮度。由于蓝色背光模块153的设定亮度小于蓝色背光模块153调节前的亮度，绿色背光模块152的设定亮度小于绿色背光模块152调节前的亮度，即将背光模块区域A中的调节后的蓝色背光模块153的亮度设置为设定亮度使得该背光模块区域A中的蓝色背光模块153的亮度降低，将背光模块区域A中的调节后的绿色背光模块152的亮度设置为设定亮度使得该背光模块区域A中的绿色背光模块152的亮度降低，减少了短波长光针对红色像素单元的穿透漏光，解决了短波长光使定背光模块区域设置的红色像素单元出现严重色偏的问题，优化了显示装置的显示效果。
通过将显示面板中的像素单元划分为多个像素区域，将显示面板中的背光模块划分为多个背光模块区域，且每个背光模块区域与由像素单元构成的一像素区域对应设置，实现了对每个背光模块区域中的蓝色背光模块和绿色背光模块亮度较为精准的调节。
本申请实施例示附图只是示例性的表示每个元件的大小，并不代表显示面板中每个元件的实际尺寸。
图4为本申请实施例提供的一种显示面板的背光调节装置的结构示意图。显示面板包括至少一个像素区域和至少一个背光模块区域，像素区域和背光模块区域一一对应，每个像素区域包括多个像素单元。如图4所示，显示面板的背光调节装置包括分量获取模块11、色调饱和度获取模块12、设定亮度获取模 块13、背光亮度调节模块14和控制模块15，色调饱和度获取模块12分别与分量获取模块11和设定亮度获取模块13电连接，背光亮度调节模块14分别与设定亮度获取模块13和控制模块15电连接。其中，分量获取模块11用于获取一像素区域中每个像素单元在第一颜色空间中的第一分量、第二分量和第三分量；色调饱和度获取模块12用于根据该像素区域中像素单元的第一分量的平均值、第二分量的平均值和第三分量的平均值获取第二颜色空间中的色调角度值和饱和度；设定亮度获取模块13用于根据色调角度值和饱和度获取与该像素区域相对应的蓝色背光模块和绿色背光模块的设定亮度；背光亮度调节模块14用于执行下述两个步骤中的至少一个步骤：根据蓝色背光模块的设定亮度调节蓝色背光模块的亮度；和根据绿色背光模块的设定亮度调节绿色背光模块的亮度。控制模块15用于控制蓝色背光模块的设定亮度小于蓝色背光模块调节前的亮度，绿色背光模块的设定亮度小于绿色背光模块调节前的亮度。示例性的，显示面板可以是液晶显示装置，其包括阵列基板和彩膜基板，以及位于阵列基板和彩膜基板之间的液晶分子，液晶分子在阵列基板与彩膜基板之间电压的作用下发生偏转，实现液晶显示装置的显示功能。
可选的，显示面板的背光调节装置还可以包括像素区域划分模块和背光区域划分模块，像素区域划分模块用于将显示面板中的像素单元划分为多个像素区域，每个像素区域中包括多个像素单元；背光区域换分模块用于将显示面板的背光模块划分为多个背光模块区域，每个背光模块区域对应像素单元构成的一像素区域设置。
可选的，分量获取模块可以与像素区域划分模块电连接，用于获取该像素区域中的像素单元在第一颜色空间中的第一分量、第二分量和第三分量；色调饱和度模块可以与像素区域划分模块电连接，用于根据像素区域中的像素单元的第一分量的平均值、第二分量的平均值和第三分量的平均值获取第二颜色空间中的色调角度值和饱和度；设定亮度获取模块可以与背光区域划分模块电连接，用于根据色调角度值和饱和度获取对应该像素区域像素单元的背光模块区域中的蓝色背光模块和绿色背光模块的设定亮度；背光亮度调节模块可以与背光区域划分模块电连接，用于执行下述两个步骤中的至少一个步骤：根据背光 模块区域中的蓝色背光模块的设定亮度调节该背光模块区域中的蓝色背光模块的亮度；和根据背光模块区域中的绿色背光模块的设定亮度调节该背光模块区域中的绿色背光模块的亮度。即可以根据背光模块区域中的蓝色背光模块的设定亮度调节该背光模块区域中的蓝色背光模块的亮度，或者可以根据背光模块区域中的绿色背光模块的设定亮度调节该背光模块区域中的绿色背光模块的亮度，或者既根据背光模块区域中的蓝色背光模块的设定亮度调节该背光模块区域中的蓝色背光模块的亮度，又根据背光模块区域中的绿色背光模块的设定亮度调节该背光模块区域中的绿色背光模块的亮度。
可选的，设定亮度获取模块还可以用于当色调角度值大于0°且小于等于45°，或者大于315°且小于等于360°时，根据饱和度获取蓝色背光模块和绿色背光模块的设定亮度。
本申请实施例还提供了一种显示装置，包括上述实施例的背光调节装置，还包括背光模块以及显示面板，背光调节装置与背光模块电连接，用于调节背光模块的亮度。
图5为本申请实施例提供的另一种显示面板的背光调节方法的流程示意图。背光调节方法可以应用在需要对显示面板中的背光模块的亮度进行调节的场景，可以由本申请实施例提供的显示面板的背光调节装置来执行。该方法包括：
步骤310、将显示面板中的像素单元划分为多个像素区域，每个像素区域中包括多个像素单元。
步骤320、将显示面板的背光模块划分为多个背光模块区域，每个背光模块区域与由像素单元构成的一像素区域对应设置。
步骤330、获取像素区域中的像素单元在第一颜色空间中的第一分量、第二分量和第三分量。
步骤340、根据像素区域中的像素单元的第一分量的平均值、第二分量的平均值和第三分量的平均值获取第二颜色空间中的色调角度值和饱和度。
步骤350、当色调角度值大于0°且小于等于45°，或者大于315°且小于等于360°时，根据饱和度对应该像素区域像素单元的背光模块区域中的蓝色背光模块和绿色背光模块的设定亮度。
步骤360、执行下述两个步骤中的至少一个步骤：根据背光模块区域中的蓝色背光模块的设定亮度调节该背光模块区域中的蓝色背光模块的亮度；和根据背光模块区域中的绿色背光模块的设定亮度调节该背光模块区域中的绿色背光模块的亮度。其中，蓝色背光模块的设定亮度小于蓝色背光模块调节前的亮度，绿色背光模块的设定亮度小于绿色背光模块调节前的亮度。
本申请实施例通过根据获取的色调角度值和饱和度获取蓝色背光模块和绿色背光模块的设定亮度，根据获取的蓝色背光模块对应的设定亮度调节蓝色背光模块的亮度，和/或根据绿色背光模块对应的设定亮度调节绿色背光模块的亮度，且蓝色背光模块的设定亮度小于蓝色背光模块调节前的亮度，绿色背光模块的设定亮度小于绿色背光模块调节前的亮度，即通过降低蓝色背光模块或者绿色背光模块的亮度，或者同时降低蓝色背光模块和绿色背光模块的亮度，减少了短波长光针对红色像素单元的穿透漏光，解决了短波长光使红色像素单元出现严重色偏的问题，优化了显示装置的显示效果。
本实施例还提供一种计算机可读存储介质，存储有计算机可执行指令，所述计算机可执行指令用于执行上述任一方法。
图6是根据本实施例的一种背光调节设备的硬件结构示意图，如图6所示，该背光调节设备包括：一个或多个处理器610和存储器620。图6中以一个处理器610为例。
所述背光调节设备还可以包括：输入装置630和输出装置640。
所述背光调节设备中的处理器610、存储器620、输入装置630和输出装置640可以通过总线或者其他方式连接，图6中以通过总线连接为例。
输入装置630可以接收输入的数字或字符信息，输出装置640可以包括显示屏等显示设备。
存储器620作为一种计算机可读存储介质，可用于存储软件程序、计算机可执行程序以及模块。处理器610通过运行存储在存储器620中的软件程序、指令以及模块，从而执行多种功能应用以及数据处理，以实现上述实施例中的任意一种方法。
存储器620可以包括存储程序区和存储数据区，其中，存储程序区可存储操作系统、至少一个功能所需要的应用程序；存储数据区可存储根据背光调节设备的使用所创建的数据等。此外，存储器可以包括随机存取存储器(Random Access Memory，RAM)等易失性存储器，还可以包括非易失性存储器，例如至少一个磁盘存储器件、闪存器件或者其他非暂态固态存储器件。
存储器620可以是非暂态计算机存储介质或暂态计算机存储介质。该非暂态计算机存储介质，例如至少一个磁盘存储器件、闪存器件、或其他非易失性固态存储器件。在一些实施例中，存储器620可选包括相对于处理器610远程设置的存储器，这些远程存储器可以通过网络连接至背光调节设备。上述网络的实例可以包括互联网、企业内部网、局域网、移动通信网及其组合。
输入装置630可用于接收输入的数字或字符信息，以及产生与背光调节设备的用户设置以及功能控制有关的键信号输入。输出装置640可包括显示屏等显示设备。
本实施例的背光调节设备还可以包括通信装置650，通过通信网络传输和/或接收信息。
本领域普通技术人员可理解实现上述实施例方法中的全部或部分流程，是可以通过计算机程序来执行相关的硬件来完成的，该程序可存储于一个非暂态计算机可读存储介质中，该程序在执行时，可包括如上述方法的实施例的流程，其中，该非暂态计算机可读存储介质可以为磁碟、光盘、只读存储记忆体(ROM)或随机存储记忆体(RAM)等。

Claims (20)

  1. 一种显示面板的背光调节方法，所述显示面板包括至少一个像素区域和至少一个背光模块区域，所述像素区域和所述背光模块区域一一对应，每个所述像素区域包括多个像素单元，所述调节方法包括：
    获取所述像素区域中每个像素单元在第一颜色空间中的第一分量、第二分量和第三分量；
    根据该像素区域中所述像素单元的第一分量的平均值、第二分量的平均值和第三分量的平均值获取在第二颜色空间中的色调角度值和饱和度；
    根据所述色调角度值和所述饱和度获取与该像素区域相对应的背光模块区域中的蓝色背光模块和绿色背光模块的设定亮度；
    执行下述两个步骤中的至少一个步骤：根据所述蓝色背光模块的设定亮度调节所述蓝色背光模块的亮度；和根据所述绿色背光模块的设定亮度调节所述绿色背光模块的亮度；
    其中，所述蓝色背光模块的设定亮度小于所述蓝色背光模块调节前的亮度，所述绿色背光模块的设定亮度小于所述绿色背光模块调节前的亮度。
  2. 根据权利要求1所述的调节方法，其中，所述根据所述色调角度值和所述饱和度获取蓝色背光模块和绿色背光模块的设定亮度包括：
    当所述色调角度值大于0度且小于等于45度时，根据所述饱和度获取蓝色背光模块和绿色背光模块的设定亮度。
  3. 根据权利要求1所述的调节方法，其中，所述根据所述色调角度值和所述饱和度获取蓝色背光模块和绿色背光模块的设定亮度包括：
    当所述色调角度值大于315度且小于等于360度时，根据所述饱和度获取蓝色背光模块和绿色背光模块的设定亮度。
  4. 根据权利要求1所述的调节方法，其中，所述第一颜色空间为红绿蓝RGB颜色空间。
  5. 根据权利要求1所述的调节方法，其中，所述第二颜色空间为LCH颜色空间。
  6. 根据权利要求1所述的调节方法，其中，所述显示面板为液晶显示面板。
  7. 一种显示面板的背光调节装置，所述显示面板包括至少一个像素区域和至少一个背光模块区域，所述像素区域和所述背光模块区域一一对应，每个所述像素区域包括多个像素单元，所述调节装置包括：
    分量获取模块，设置为获取一所述像素区域中每个像素单元在第一颜色空 间中的第一分量、第二分量和第三分量第一颜色空间；
    色调饱和度获取模块，与所述分量获取模块电连接，所述色调饱和度获取模块设置为根据该像素区域中所述像素单元的第一分量的平均值、第二分量的平均值和第三分量的平均值获取在第二颜色空间中的色调角度值和饱和度；
    设定亮度获取模块，与所述色调饱和度获取模块电连接，所述设定亮度获取模块设置为根据所述色调角度值和所述饱和度获取与该像素区域相对应的蓝色背光模块和绿色背光模块的设定亮度；
    背光亮度调节模块，与所述设定亮度获取模块电连接，所述背光亮度调节模块设置为执行下述两个步骤中的至少一个步骤：根据所述蓝色背光模块的设定亮度调节所述蓝色背光模块的亮度；和根据所述绿色背光模块的设定亮度调节所述绿色背光模块的亮度；
    控制模块，与所述背光亮度调节模块电连接，所述控制模块设置为控制所述蓝色背光模块的设定亮度小于所述蓝色背光模块调节前的亮度，所述绿色背光模块的设定亮度小于所述绿色背光模块调节前的亮度。
  8. 根据权利要求7所述的背光调节装置，其中，所述设定亮度获取模块还设置为：
    当所述色调角度值大于0度且小于等于45度时，根据所述饱和度获取蓝色背光模块和绿色背光模块的设定亮度。
  9. 根据权利要求7所述的调节装置，其中，所述根据所述色调角度值和所述饱和度获取蓝色背光模块和绿色背光模块的设定亮度包括：
    当所述色调角度值大于315度且小于等于360度时，根据所述饱和度获取蓝色背光模块和绿色背光模块的设定亮度。
  10. 根据权利要求7所述的调节装置，其中，所述第一颜色空间为红绿蓝RGB颜色空间。
  11. 根据权利要求7所述的调节装置，其中，所述第二颜色空间为LCH颜色空间。
  12. 根据权利要求7所述的调节装置，其中，所述显示面板为液晶显示面板。
  13. 一种显示装置，包括权利要求7所述的背光调节装置、背光模块以及显示面板；
    其中，所述背光调节装置与所述背光模块电连接，所述背光调节装置设置 为调节所述背光模块的亮度；
    所述背光模块位于所述显示面板下方，所述背光模块设置为给所述显示面板提供光源。
  14. 根据权利要求13所述的调节装置，其中，所述显示面板包括阵列基板。
  15. 根据权利要求13所述的调节装置，其中，所述显示面板还包括彩膜基板，所述彩膜基板位于所述阵列基板远离所述背光模块一侧。
  16. 一种显示面板的背光调节方法，包括：
    将所述显示面板中的所述像素单元划分为多个像素区域，每个所述像素区域中包括多个所述像素单元；
    将所述显示面板的背光模块划分为多个背光模块区域，每个所述背光模块区域对应所述像素单元构成的一所述像素区域设置；
    获取所述像素区域中的所述像素单元在第一颜色空间中的第一分量、第二分量和第三分量第一颜色空间；
    根据所述像素区域中的所述像素单元的第一分量的平均值、第二分量的平均值和第三分量的平均值获取第二颜色空间中的色调角度值和饱和度；
    当色调角度值大于0度且小于等于45度，或者大于315度且小于等于360度时，根据所述饱和度对应该所述像素区域像素单元的所述背光模块区域中的蓝色背光模块和绿色背光模块的设定亮度；
    执行下述两个步骤中的至少一个步骤：根据所述背光模块区域中的蓝色背光模块的设定亮度调节该所述背光模块区域中的蓝色背光模块的亮度；和根据所述背光模块区域中的绿色背光模块的设定亮度调节该所述背光模块区域中的绿色背光模块的亮度；
    其中，所述蓝色背光模块的设定亮度小于所述蓝色背光模块调节前的亮度，所述绿色背光模块的设定亮度小于所述绿色背光模块调节前的亮度。
  17. 根据权利要求16所述的调节方法，其中，所述第一颜色空间为红绿蓝RGB颜色空间。
  18. 根据权利要求16所述的调节方法，其中，所述第二颜色空间为LCH颜色空间。
  19. 根据权利要求16所述的调节方法，其中，所述显示面板为液晶显示面板。
  20. 一种计算机可读存储介质，存储有计算机可执行指令，所述计算机可 执行指令用于执行权利要求1中的方法。
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