WO2016150126A1 - 显示驱动方法及显示驱动装置 - Google Patents

显示驱动方法及显示驱动装置 Download PDF

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Publication number
WO2016150126A1
WO2016150126A1 PCT/CN2015/090014 CN2015090014W WO2016150126A1 WO 2016150126 A1 WO2016150126 A1 WO 2016150126A1 CN 2015090014 W CN2015090014 W CN 2015090014W WO 2016150126 A1 WO2016150126 A1 WO 2016150126A1
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Prior art keywords
pixel
sub
unit
pixels
sampling area
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PCT/CN2015/090014
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English (en)
French (fr)
Inventor
郭仁炜
董学
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京东方科技集团股份有限公司
北京京东方光电科技有限公司
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Application filed by 京东方科技集团股份有限公司, 北京京东方光电科技有限公司 filed Critical 京东方科技集团股份有限公司
Priority to JP2016567898A priority Critical patent/JP6679502B2/ja
Priority to EP15837128.6A priority patent/EP3279891A4/en
Priority to US14/916,738 priority patent/US9691354B2/en
Priority to KR1020167031744A priority patent/KR101921811B1/ko
Publication of WO2016150126A1 publication Critical patent/WO2016150126A1/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
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/10—Intensity circuits
    • 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
    • G09G3/001—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes using specific devices not provided for in groups G09G3/02 - G09G3/36, e.g. using an intermediate record carrier such as a film slide; Projection systems; Display of non-alphanumerical information, solely or in combination with alphanumerical information, e.g. digital display on projected diapositive as background
    • G09G3/003—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes using specific devices not provided for in groups G09G3/02 - G09G3/36, e.g. using an intermediate record carrier such as a film slide; Projection systems; Display of non-alphanumerical information, solely or in combination with alphanumerical information, e.g. digital display on projected diapositive as background to produce spatial visual effects
    • 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
    • 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
    • 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
    • G09G3/3611—Control of matrices with row and column drivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/30—Image reproducers
    • H04N13/302—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays
    • H04N13/31—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays using parallax barriers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/30—Image reproducers
    • H04N13/302—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays
    • H04N13/317—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays using slanted parallax optics
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/30—Image reproducers
    • H04N13/324—Colour aspects
    • G—PHYSICS
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    • G09G2300/04—Structural and physical details of display devices
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    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
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    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0233—Improving the luminance or brightness uniformity across the screen
    • G—PHYSICS
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    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2340/00—Aspects of display data processing
    • G09G2340/04—Changes in size, position or resolution of an image
    • G09G2340/0457—Improvement of perceived resolution by subpixel rendering
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    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2360/00—Aspects of the architecture of display systems
    • G09G2360/16—Calculation or use of calculated indices related to luminance levels in display data
    • 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
    • G09G3/3433—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 light modulating elements actuated by an electric field and being other than liquid crystal devices and electrochromic devices
    • G09G3/348—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 light modulating elements actuated by an electric field and being other than liquid crystal devices and electrochromic devices based on the deformation of a fluid drop, e.g. electrowetting

Definitions

  • the present invention belongs to the field of display technologies, and in particular, to a display driving method and a display driving device.
  • FIG. 1 is a schematic diagram of a naked eye stereoscopic display device in the prior art. As shown in FIG. 1, all of the pixels 1 on the display panel 100 are used to display a left eye image, and all of the pixels 2 are used to display a right eye image. Light emitted through the pixels 1 and 2 passes through the grating 200 and enters the left and right eyes of the viewer, respectively, to form a left eye image and a right eye image, respectively. The left eye image and the right eye image synthesize a stereoscopic image in the human brain.
  • the naked eye stereoscopic display is implemented in the display device shown in FIG. 1, a part of the pixels in the display device are only used to display the left eye image, and another part of the image is only used to display the right eye image, thereby causing the naked eye stereoscopic display.
  • the resolution is reduced.
  • the technical problem to be solved by the present invention includes providing a display driving method and a display driving device capable of improving the resolution of the stereoscopic display device in view of the problem of low resolution of the stereoscopic display device in the prior art.
  • a display driving method for driving a stereoscopic display device comprising a pixel array and a grating disposed on a light emitting surface of the pixel array.
  • the pixel array includes a plurality of first pixel units for displaying a first view and a plurality of second pixel units for displaying a second view, the plurality of first pixel units and the plurality of second pixel units being arranged in a matrix, And the first pixel unit and the second pixel unit are alternately arranged in the row direction and the column direction.
  • Each of the first pixel unit and the second pixel unit includes a plurality of sub-pixels of different colors disposed in the same column.
  • the grating includes a plurality of light shielding regions and a plurality of light transmission regions which are alternately arranged in the row direction and the column direction, and each of the light shielding regions is used for blocking the square a first side of the upwardly adjacent first pixel unit and a second side of the second pixel unit opposite the first side of the first pixel unit.
  • the display driving method includes: respectively calculating a color component of each of the plurality of first pixel units and a color component of each of the plurality of second pixel units; and determining each of the sub-pixels a sampling area, and determining, according to a color component of each of the pixel units covered by the sampling area corresponding to the sub-pixel, the color of the sub-pixel.
  • the sampling area is a diamond sampling area, and the four vertices of the diamond sampling area are respectively midpoints of the center lines of four homogeneous sub-pixels adjacent to the sub-pixel located in the column adjacent to the sub-pixel.
  • like sub-pixel means individual sub-pixels of the same color in pixel units belonging to the same view.
  • the method may further include: inputting a signal to each sub-pixel of the first pixel unit to make each sub-pixel The pixels reach a determined luminance of illumination; and a signal is input to each of the sub-pixels of the second pixel unit such that each of the sub-pixels reaches a determined luminance of illumination.
  • the grating may be any one of a BM grating, a liquid crystal grating, and an electrowetting grating.
  • each pixel unit may include three sub-pixels of different colors, which are: a red sub-pixel, a blue sub-pixel, and a green sub-pixel.
  • the determining the sampling region of each sub-pixel and determining the luminance of the sub-pixel may include: determining, for each sub-pixel, a sampling region thereof and the plurality of first pixel units and the plurality of second An overlapping area of each of the pixel units and a color component in the overlapping pixel unit that is the same as the color of the sub-pixel; calculating a product of the overlapping area and the corresponding color component for each of the overlapping pixel units; The sum of the products and the area of the sampling area determine the luminance of the sub-pixel.
  • a display driving device for driving a stereoscopic display device, the stereoscopic display device comprising a pixel array and a grating disposed on a light emitting surface of the pixel array.
  • the pixel array includes a plurality of first pixel units for displaying a first view and a plurality of second pixel units for displaying a second view, the plurality of first pixel units and the plurality of second pixel units being arranged in a matrix, And the first pixel unit and the second pixel unit are in the row Alternately set up in the up and column directions.
  • Each of the first pixel unit and the second pixel unit includes a plurality of sub-pixels of different colors disposed in the same column.
  • the grating includes a plurality of light shielding regions and a plurality of light transmission regions alternately arranged in a row direction and a column direction, each of the light shielding regions for shielding a first side of the first pixel unit adjacent to the row direction and the first pixel The first side of the unit is opposite the second side of the second pixel unit.
  • the display driving device includes: a pixel dividing unit, configured to respectively calculate a color component of each of the plurality of first pixel units and a color component of each of the plurality of second pixel units; And a brightness determining unit, configured to determine a sampling area of each sub-pixel, and determine a light-emitting brightness of the sub-pixel according to a color component of the same color of the sub-pixel in each pixel unit covered by the sampling area corresponding to the sub-pixel.
  • the sampling area is a diamond sampling area, and the four vertices of the diamond sampling area are respectively midpoints of the center lines of four homogeneous sub-pixels adjacent to the sub-pixel located in the column adjacent to the sub-pixel.
  • the display driving apparatus may further include: an image generating unit, configured to input a signal to each of the sub-pixels of the first pixel unit to cause each sub-pixel to reach a determined light-emitting brightness, and to the second pixel A signal is input to each sub-pixel of the unit such that each sub-pixel reaches a certain luminance of illumination.
  • the grating may be any one of a BM grating, a liquid crystal grating, and an electrowetting grating.
  • each pixel unit may include three sub-pixels of different colors, which are: a red sub-pixel, a blue sub-pixel, and a green sub-pixel.
  • the brightness determining unit may be configured to: for each sub-pixel, determine an overlap of a sampling area thereof with each of the plurality of first pixel units and the plurality of second pixel units An area and a color component in the overlapping pixel unit that is the same color as the sub-pixel; calculating a product of the overlap area and the corresponding color component for each of the overlapping pixel units; and determining the sum based on the sum of the respective products and the area of the sampling area The luminance of the sub-pixel.
  • the luminance output area of the pixel array when displaying a single image can be made larger, thereby including the
  • the display panel of the pixel array can achieve the display effect of the display panel with higher resolution. So in stereo When displayed, the problem of loss of resolution of the display device due to occlusion of the grating can be avoided.
  • FIG. 1 is a schematic diagram of a naked eye stereoscopic display device in the prior art
  • FIG. 2 is a schematic view showing the arrangement of pixel arrays according to an embodiment of the present invention.
  • FIG. 3 is a schematic view of the pixel array of FIG. 2 mated with a grating
  • FIG. 4 and FIG. 5 are respectively a first view and a second view of the pixel array shown in FIG. 2 by using the grating shown in FIG. 3;
  • 6 to 8 are schematic diagrams showing distributions of red, blue, and green sub-pixels in the first view shown in FIG. 4;
  • FIG. 9 is a schematic diagram of a sampling area of a red sub-pixel in the first view shown in FIG. 6;
  • FIG. 10 is a schematic diagram for calculating the luminance of light emission of the red sub-pixel shown in FIG. 9;
  • 11 and 12 are schematic views of sampling regions of sub-pixels of different colors in the first view.
  • the stereoscopic display device includes a pixel array and a grating disposed on a light exit surface of the pixel array.
  • FIG. 2 is a schematic view showing the arrangement of a pixel array according to an embodiment of the present invention
  • FIG. 3 is a schematic diagram of the pixel array of FIG. 2 mated with a grating.
  • the pixel array includes a plurality of first pixel units for displaying a first view and a plurality of second pixel units for displaying a second view, the plurality of first pixel units and a plurality of second
  • the pixel units are arranged in a matrix, and the first pixel unit and the second pixel unit The elements are alternately arranged in the row direction and in the column direction.
  • Each of the first pixel unit and the second pixel unit includes a plurality of sub-pixels of different colors disposed in the same column.
  • the grating includes a plurality of light shielding regions and a plurality of light transmitting regions alternately arranged in the row direction and the column direction, and each of the light shielding regions is configured to block the first of the first pixel units adjacent in the row direction. a side and a second side of the second pixel unit opposite the first side of the first pixel unit. Since the structure of the grating corresponds to the pixel unit, and the light-shielding region and the light-transmitting region are alternately arranged in the row direction and the column direction, and the shape thereof is similar to a checkerboard, the grating can be referred to as a checkerboard grating.
  • Determining a sampling area of each sub-pixel Determining a sampling area of each sub-pixel, and determining a luminance of the sub-pixel by a color component identical to a color of the sub-pixel in each pixel unit covered by the sampling area corresponding to the sub-pixel.
  • the sampling area may be a diamond sampling area, and the four vertices of the diamond sampling area are respectively located in a center line of four sub-pixels adjacent to the sub-pixel in a column adjacent to the sub-pixel to be determined with the luminance of the light to be determined. point.
  • the raster divides the image to be displayed into a first view corresponding to the left eye and a second view corresponding to the right eye, see FIGS. 4 and 5.
  • a color component of each of the plurality of first pixel units for displaying the first view is first determined.
  • the first pixel unit may include a red sub-pixel, a green sub-pixel, and a blue sub-pixel, and therefore, it is necessary to determine color components of the red sub-pixel, the green sub-pixel, and the blue sub-pixel in each of the first pixel units. Further, in the same manner, color components of respective sub-pixels for displaying each of the plurality of second pixel units of the second view are determined.
  • the luminance of each sub-pixel is determined by dividing the sampling area for each sub-pixel.
  • the actual light-emitting brightness of each sub-pixel may include a part of the brightness of the view to be displayed corresponding to itself and a part of the brightness of the same-type sub-pixel adjacent thereto. Therefore, when one sub-pixel performs luminance output, the luminance of the same sub-pixel around the sub-pixel is shared, so that the display device including the pixel array can achieve higher scores.
  • the display effect of the resolution display device, and sharing between sub-pixels can output more information.
  • determining a sampling area of each sub-pixel and determining a light-emitting luminance of the sub-pixel for each of the sub-pixels, determining a sampling area thereof and the plurality of first pixel units and the plurality of second pixel units An overlapping area of each pixel unit and a color component in the overlapping pixel unit that is the same as the color of the sub-pixel; calculating a product of the overlapping area and the corresponding color component for each of the overlapping pixel units; and according to the sum of the respective products and The area of the sampling area determines the luminance of the sub-pixel.
  • a signal is input to each of the sub-pixels of the second pixel unit such that each sub-pixel reaches a certain luminance of the light to form a second view.
  • the illustrated pixel array includes eight columns (S1 to S8) of 24 rows (R1 to R24) of sub-pixels, wherein the sub-pixels B1, G1, and R1 constitute a first pixel unit, and sub-pixels B2, G2.
  • R2 constitute a second pixel unit (as indicated by a broken line in FIG. 2), and each of the first pixel unit and the second pixel unit are alternately arranged in the row direction and the column direction.
  • the first pixel unit corresponds to the first view (ie, the left eye view)
  • the second pixel unit corresponds to the second view (ie, the right eye view).
  • the first pixel unit and the second pixel unit may respectively include three rectangular sub-pixels arranged in a row, that is, blue sub-pixels B1 and B2, green sub-pixels G1 and G2, and red sub-pixels R1 and R2. It should be noted that, for the sake of clearer description, each pixel unit of the pixel array is divided into a first pixel unit and a second pixel unit, but the first pixel unit and the second pixel unit are substantially the same pixel unit, only The difference in name.
  • the illustrated grating includes a light blocking region and a light transmitting region.
  • Each of the light shielding regions blocks a first side of the first pixel unit adjacent in the row direction and a second side of the second pixel unit opposite to the first side of the first pixel unit.
  • each of the light-shielding regions may block a half-pixel region of the first pixel unit adjacent in the row direction and a second pixel region opposite to the half-region region where the first pixel unit is blocked.
  • Half of the area As shown in Figure 3, each shade area A right half area of the first pixel unit adjacent to the row direction and a left half area of the second pixel unit are blocked.
  • the left eye can only view the first view presented by the first pixel unit, as shown in FIG. 4; the right eye can only view the second pixel unit.
  • the two views are as shown in FIG. 5, thereby realizing stereoscopic display.
  • each of the first pixel units includes a blue sub-pixel B1, a green sub-pixel G1, and a red sub-pixel R1 which are sequentially arranged in the column direction.
  • 6 to 8 are distribution diagrams of the red sub-pixel R1, the blue sub-pixel B1, and the green sub-pixel G1 in the first view shown in FIG. 4, respectively.
  • the sampling area of one red sub-pixel R1 is described as an example in the following.
  • FIG. 9 is a schematic diagram of a sampling area of the red sub-pixel R1 in the first view shown in FIG. 6.
  • the red sub-pixel R1 is The adjacent four sub-pixels are respectively the respective red sub-pixels R1 located at S4R6, S6R6, S4R12 and S6R12. Centering the four red sub-pixels R1 (as shown by the solid rectangular frame in FIG. 9), with the midpoint of each line as the four vertices of the sampling area of the red sub-pixel R1 located at S5R9, thereby A sampling area of the red sub-pixel R1 is formed (as indicated by a broken line in FIG. 9).
  • the sampling area can be a diamond sampling area.
  • the sampling area of each of the red sub-pixels R1 in the first view can be determined.
  • a sampling area of each of the blue sub-pixels B1 and each of the green sub-pixels G1 can also be determined.
  • FIG. 10 is a schematic diagram for calculating the light emission luminance of the red sub-pixel shown in FIG.
  • the sampling area of the red sub-pixel R1 located at S5R9 spans a total of 9 pixel units of 3 ⁇ 3 in the row direction and the column direction, including 5 first pixel units and 4 second pixel units.
  • the five first pixel units are S4R4/S4R5/S4R6, S4R10/S4R11/S4R12, S6R4/S6R5/S6R6, S6R10/S6R11/S6R12, and S5R7/S5R8/S5R9;
  • the four second pixel units are S4R7/S4R8/ S4R9, S6R7/S6R8/S6R9, S5R4/S5R5/S5R6 and S5R10/S5R11/S5R12.
  • the second pixel unit, S4R7/S4R8/S4R9, S6R7/S6R8/S6R9, S5R4/S5R5/S5R6 and S5R10/S5R11/S5R12 partially overlap.
  • the overlapping area of the sampling area and each overlapping pixel unit and the color component of the red sub-pixel R1 in the overlapping pixel unit can be determined, that is, located in each of the above-mentioned first pixel units.
  • the product of the overlap area and the color component of the corresponding red sub-pixel R1 is calculated for each overlapping pixel unit, and the light-emitting luminance of the red sub-pixel R1 located at S5R9 is determined according to the sum of the respective products and the area of the sampling area.
  • 11 and 12 are schematic views of sampling regions of sub-pixels of different colors in the first view.
  • the sampling areas of different colors in the same view can be flexibly controlled.
  • the three sampling regions shown in FIG. 11 are: a sampling region of the green sub-pixel G1 at S4R5 in the first view, a sampling region of the blue sub-pixel B1 at S6R4, and a sampling region of the red sub-pixel R1 at S5R9. .
  • the three sampling regions of the red sub-pixel R1, the green sub-pixel G1, and the blue sub-pixel B1 of the same first pixel unit in the first view are partially overlapped with each other. For the same reason, the same is true in the second view, which is not described in detail here.
  • the first pixel unit and the second pixel unit respectively include three sub-pixels of different colors, that is, a red sub-pixel, a blue sub-pixel, and a green sub-pixel, but the present invention is described. Not limited to this.
  • the first pixel unit and the second pixel unit may also include four or more sub-pixels of different colors, and furthermore, the color of the sub-pixel is not limited to red, blue, and green.
  • the grating may be, but is not limited to, any one of a BM grating, a liquid crystal grating, and an electrowetting grating.
  • the display driving apparatus includes: a pixel dividing unit configured to respectively calculate a color component of each of the plurality of first pixel units for displaying the first view and a plurality of seconds for displaying the second view a color component of each of the sub-pixels in the pixel unit; and a brightness determining unit configured to determine a sampling region of each of the sub-pixels and have the same color as the sub-pixel in each of the pixel units covered by the sampling region corresponding to the sub-pixel The color component determines the luminance of the sub-pixel.
  • the brightness determining unit may be configured to: for each sub-pixel, determine an overlap of a sampling area thereof with each of the plurality of first pixel units and the plurality of second pixel units An area and a color component in the overlapping pixel unit that is the same color as the sub-pixel; calculating a product of the overlap area and the corresponding color component for each of the overlapping pixel units; and determining the sum based on the sum of the respective products and the area of the sampling area The luminance of the sub-pixel.
  • the stereoscopic display device may further include: an image generating unit, configured to input a signal to each sub-pixel of the first pixel unit, so that each sub-pixel reaches a certain brightness of the light, thereby forming a first view, And inputting a signal to each of the sub-pixels of the second pixel unit such that each sub-pixel reaches a certain luminance of the light, thereby forming a second view.

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Abstract

一种用于驱动立体显示装置的显示驱动方法以及采用该显示驱动方法的显示驱动装置，所述显示驱动方法包括：分别计算出多个第一像素单元中的各个子像素的颜色分量和多个第二像素单元中的各个子像素的颜色分量；以及确定每个子像素的采样区，并按照与该子像素对应的采样区所覆盖的各个像素单元中与该子像素的颜色相同的颜色分量确定该子像素的发光亮度，其中，采样区为菱形采样区，菱形采样区的四个顶点分别为位于在与该子像素相邻的列中的、与该子像素邻近的四个同类子像素的中心连线的中点。

Description

显示驱动方法及显示驱动装置 技术领域
本发明属于显示技术领域，具体涉及一种显示驱动方法及显示驱动装置。
背景技术
图1为现有技术中的裸眼立体显示装置的示意图。如图1所示，显示面板100上所有的像素1用于显示左眼图像，并且所有的像素2用于显示右眼图像。通过像素1和2发出的光经过光栅200后分别进入观看者的左眼和右眼以分别形成左眼图像和右眼图像。左眼图像和右眼图像在人脑中合成一幅立体图像。
但是，在利用图1中所示的显示装置中实现裸眼立体显示时，显示装置中的一部分像素仅用于显示左眼图像，另一部分图像仅用于显示右眼图像，从而导致裸眼立体显示时分辨率均有所降低。
因此，如何提高裸眼立体显示装置的分辨率成为本领域亟待解决的技术问题。
发明内容
本发明所要解决的技术问题包括，针对现有技术中的立体显示装置分辨率较低的问题，提供一种可以提高立体显示装置的分辨率的显示驱动方法及显示驱动装置。
根据本发明的一个方面，提供一种用于驱动立体显示装置的显示驱动方法，所述立体显示装置包括像素阵列和设置在像素阵列出光面的光栅。像素阵列包括用于显示第一视图的多个第一像素单元和用于显示第二视图的多个第二像素单元，所述多个第一像素单元和多个第二像素单元排列成矩阵，并且第一像素单元和第二像素单元在行方向上和列方向上均交替设置。第一像素单元和第二像素单元均包括设于同一列的多个不同颜色的子像素。光栅包括在行方向上和列方向上均交替设置的多个遮光区和多个透光区，每个遮光区用于遮挡在行方 向上相邻的第一像素单元的第一侧和与第一像素单元的第一侧相对的第二像素单元的第二侧。所述显示驱动方法包括：分别计算出所述多个第一像素单元中的各个子像素的颜色分量和所述多个第二像素单元中的各个子像素的颜色分量；以及确定每个子像素的采样区，并按照与该子像素对应的采样区所覆盖的各个像素单元中与该子像素的颜色相同的颜色分量确定该子像素的发光亮度。采样区为菱形采样区，菱形采样区的四个顶点分别为位于在与该子像素相邻的列中的、与该子像素邻近的四个同类子像素的中心连线的中点。
术语“同类子像素”表示，属于同一视图的像素单元中的颜色相同的各个子像素。
根据本发明的实施例，在确定每个子像素的采样区并确定子像素的发光亮度的步骤之后，所述方法还可以还包括：向第一像素单元的每个子像素输入信号，以使各个子像素达到确定的发光亮度；以及向第二像素单元的每个子像素输入信号，以使各个子像素达到确定的发光亮度。
根据本发明的实施例，光栅可以为BM光栅、液晶光栅、电润湿光栅中的任意一种。
根据本发明的实施例，每个像素单元可以包括三个不同颜色的子像素，其分别为：红色子像素、蓝色子像素、绿色子像素。
根据本发明的实施例，确定每个子像素的采样区并确定子像素的发光亮度的步骤可以包括：针对每一个子像素，确定其采样区与所述多个第一像素单元和多个第二像素单元中的每一个像素单元的重叠面积以及在重叠的像素单元中与该子像素的颜色相同的颜色分量；针对每一个重叠的像素单元计算重叠面积与对应的颜色分量的乘积；以及根据各个乘积的和以及采样区的面积确定该子像素的发光亮度。
根据本发明的另一方面，提供一种用于驱动立体显示装置的显示驱动装置，所述立体显示装置包括像素阵列和设置在像素阵列出光面的光栅。像素阵列包括用于显示第一视图的多个第一像素单元和用于显示第二视图的多个第二像素单元，所述多个第一像素单元和多个第二像素单元排列成矩阵，并且第一像素单元和第二像素单元在行方 向上和列方向上均交替设置。第一像素单元和第二像素单元均包括设于同一列的多个不同颜色的子像素。光栅包括在行方向上和列方向上均交替设置的多个遮光区和多个透光区，每个遮光区用于遮挡在行方向上相邻的第一像素单元的第一侧和与第一像素单元的第一侧相对的第二像素单元的第二侧。所述显示驱动装置包括：像素划分单元，用于分别计算出所述多个第一像素单元中的各个子像素的颜色分量和所述多个第二像素单元中的各个子像素的颜色分量；以及亮度确定单元，用于确定每个子像素的采样区，并按照与该子像素对应的采样区所覆盖的各个像素单元中与该子像素的颜色相同的颜色分量确定该子像素的发光亮度。采样区为菱形采样区，菱形采样区的四个顶点分别为位于在与该子像素相邻的列中的、与该子像素邻近的四个同类子像素的中心连线的中点。
根据本发明的实施例，所述显示驱动装置还可以包括：图像生成单元，用于向第一像素单元的每个子像素输入信号，以使各个子像素达到确定的发光亮度，并且向第二像素单元的每个子像素输入信号，以使各个子像素达到确定的发光亮度。
根据本发明的实施例，光栅可以为BM光栅、液晶光栅、电润湿光栅中的任意一种。
根据本发明的实施例，每个像素单元可以包括三个不同颜色的子像素，其分别为：红色子像素、蓝色子像素、绿色子像素。
根据本发明的实施例，所述亮度确定单元可以用于：针对每一个子像素，确定其采样区与所述多个第一像素单元和多个第二像素单元中的每一个像素单元的重叠面积以及在重叠的像素单元中与该子像素的颜色相同的颜色分量；针对每一个重叠的像素单元计算重叠面积与对应的颜色分量的乘积；以及根据各个乘积的和以及采样区的面积确定该子像素的发光亮度。
利用根据本发明的显示驱动方法和显示驱动装置对像素阵列进行驱动时，可以使得像素阵列在显示单个图像(例如，左眼图像或右眼图像)时的亮度输出面积更大，从而使得包括该像素阵列的显示面板能够达到具有更高分辨率的显示面板的显示效果。因此在进行立体 显示时，可以避免由于光栅的遮挡而导致显示装置的分辨率损失的问题。
附图说明
附图用于提供对本发明的进一步理解，并且构成说明书的一部分，与下面的具体实施方式一起用于解释本发明，但并不构成对本发明的限制。在附图中：
图1为现有技术中的裸眼立体显示装置的示意图；
图2为本发明的实施例的像素阵列的排列示意图；
图3为图2的像素阵列与光栅配合的示意图；
图4和图5分别为利用图3所示光栅将图2所示的像素阵列划分出的第一视图和第二视图；
图6至图8分别为图4所示的第一视图中的红色子像素、蓝色子像素和绿色子像素的分布示意图；
图9为图6所示的第一视图中的红色子像素的采样区的示意图；
图10为计算图9所示的红色子像素的发光亮度的示意图；以及
图11和图12为第一视图中的不同颜色的子像素的采样区的示意图。
具体实施方式
为使本领域技术人员更好地理解本发明的技术方案，下面结合附图和具体实施方式对本发明作进一步详细描述。
根据本发明的实施例提供了一种用于驱动立体显示装置的显示驱动方法。该立体显示装置包括像素阵列和设置在像素阵列出光面的光栅。
图2为本发明的实施例的像素阵列的排列示意图，并且图3为图2的像素阵列与光栅配合的示意图。
如图2所示，像素阵列包括用于显示第一视图的多个第一像素单元和用于显示第二视图的多个第二像素单元，所述多个第一像素单元和多个第二像素单元排列成矩阵，并且第一像素单元和第二像素单 元在行方向上和列方向上均交替设置。第一像素单元和第二像素单元均包括设于同一列的多个不同颜色的子像素。
如图3所示，光栅包括在行方向上和列方向上均交替设置的多个遮光区和多个透光区，每个遮光区用于遮挡在行方向上相邻的第一像素单元的第一侧和与第一像素单元的第一侧相对的第二像素单元的第二侧。由于该光栅的结构为与像素单元对应，并且其遮光区和透光区在行方向和列方向上均交替设置，其形状类似棋盘，因此可以将该光栅称作棋盘光栅。
根据本实施例的显示驱动方法可以包括步骤：
分别计算出所述多个第一像素单元中的各个子像素的颜色分量和所述多个第二像素单元中的各个子像素的颜色分量；以及
确定每个子像素的采样区，并按照与该子像素对应的采样区所覆盖的各个像素单元中与该子像素的颜色相同的颜色分量确定该子像素的发光亮度。
采样区可以为菱形采样区，菱形采样区的四个顶点分别为位于与待确定发光亮度的子像素相邻的列中的、与该子像素邻近的四个同类子像素的中心连线的中点。
具体的，立体显示装置中，光栅将待显示的图像分成与左眼对应的第一视图和与右眼对应的第二视图，参见图4和图5。首先确定出用于显示第一视图的多个第一像素单元中的每个第一像素单元的各个子像素的颜色分量。第一像素单元可以包括红色子像素、绿色子像素、蓝色子像素，因此，需要确定出每个第一像素单元中的红色子像素、绿色子像素、蓝色子像素的颜色分量。此外，按照相同的方式，确定出用于显示第二视图的多个第二像素单元中的每个第二像素单元的各个子像素的颜色分量。
通过为每个子像素划分采样区，来确定各个子像素的发光亮度。其中，每个子像素的实际发光亮度可以包括与其自身对应的待显示视图的亮度的一部分以及与其邻近的同类子像素的亮度的一部分。因此，当一个子像素进行亮度输出时，共用了该子像素周围的同类子像素的亮度，从而使得包括该像素阵列的显示装置能够达到具有更高分 辨率的显示装置的显示效果，并且子像素之间共用可以输出更多的信息。
具体地，在确定每个子像素的采样区并确定子像素的发光亮度的步骤中，针对每一个子像素，确定其采样区与所述多个第一像素单元和多个第二像素单元中的每一个像素单元的重叠面积以及在重叠的像素单元中与该子像素的颜色相同的颜色分量；针对每一个重叠的像素单元计算重叠面积与对应的颜色分量的乘积；并且根据各个乘积的和以及采样区的面积确定该子像素的发光亮度。
根据本实施例的显示驱动方法还可以包括步骤：
向第一像素单元的每个子像素输入信号，以使各个子像素达到确定的发光亮度，从而形成第一视图；以及
向第二像素单元的每个子像素输入信号，以使各个子像素达到确定的发光亮度，从而形成第二视图。
如图2所示，所示的像素阵列包括8列(S1～S8)24行(R1～R24)的子像素，其中子像素B1、G1和R1构成了第一像素单元，子像素B2、G2和R2构成了第二像素单元(如图2中虚线框所示)，并且各个第一像素单元和第二像素单元在行方向上和列方向均交替设置。第一像素单元对应第一视图(也就是左眼视图)，第二像素单元对应第二视图(也就是右眼视图)。第一像素单元和第二像素单元可以分别包括3个排成一列的矩形子像素，即，蓝色子像素B1和B2、绿色子像素G1和G2以及红色子像素R1和R2。需要说明的是，为了更清楚进行描述，将像素阵列的各个像素单元划分成第一像素单元和第二像素单元，但第一像素单元和第二像素单元实质上是相同的像素单元，仅仅是名称上的区别。
如图3所示，所示出的光栅包括遮光区和透光区。每个遮光区(图3中所示的阴影位置)遮挡在行方向上相邻的第一像素单元的第一侧和与第一像素单元的第一侧相对的第二像素单元的第二侧。而为了更好的实现裸眼立体的显示效果，每个遮光区可以遮挡在行方向上相邻的第一像素单元的半部分区域和与第一像素单元被遮挡的半部分区域相对的第二像素单元的半部分区域。如图3所示，每个遮光区 遮挡在行方向上相邻的第一像素单元的右半部分区域和第二像素单元的左半部分区域。此时来自背光源的光在透过光栅后，左眼只能观看到由第一像素单元呈现的第一视图，如图4所示；右眼只能观看到由第二像素单元呈现的第二视图，如图5所示，从而实现立体显示。
如图4所示，每个第一像素单元包括在列方向依次排列的蓝色子像素B1、绿色子像素G1、红色子像素R1。图6至图8分别为图4所示的第一视图中的红色子像素R1、蓝色子像素B1和绿色子像素G1的分布示意图。为了便于描述，在下述内容中以一个红色子像素R1的采样区的为例进行描述。
图9为图6所示的第一视图中的红色子像素R1的采样区的示意图。
如图9所示，在与第5列第9行(S5R9)的红色子像素R1相邻的列(即第四列(S4)和第六列(S6))中，与该红色子像素R1邻近的四个同类子像素分别为位于S4R6、S6R6、S4R12和S6R12的各个红色子像素R1。将这四个红色子像素R1中心相连(如图9中的矩形实线框所示)，以各条连线的中点作为为位于S5R9的红色子像素R1的采样区的四个顶点，从而构成了该红色子像素R1的采样区(如图9中的虚线框所示)。该采样区可以为菱形采样区。
按照上述方法，可以确定出第一视图中的每一个红色子像素R1的采样区。此外，还可以确定出每一个蓝色子像素B1和每一个绿色子像素G1的采样区。
图10为计算图9所示的红色子像素的发光亮度的示意图。
如图10所示，位于S5R9的红色子像素R1的采样区在行方向和列方向上一共跨越了3×3共9个像素单元，其中包括5个第一像素单元和4个第二像素单元。5个第一像素单元分别为S4R4/S4R5/S4R6、S4R10/S4R11/S4R12、S6R4/S6R5/S6R6、S6R10/S6R11/S6R12和S5R7/S5R8/S5R9；4个第二像素单元分别为S4R7/S4R8/S4R9、S6R7/S6R8/S6R9、S5R4/S5R5/S5R6和S5R10/S5R11/S5R12。位于S5R9的红色子像素R1的采样区与其中的3个第一像素单元S4R10/S4R11/S4R12、S5R7/S5R8/S5R9和S6R10/S6R11/S6R12以及4 个第二像素单元，S4R7/S4R8/S4R9、S6R7/S6R8/S6R9、S5R4/S5R5/S5R6和S5R10/S5R11/S5R12部分重叠。针对位于S5R9的红色子像素R1，可以确定其采样区与每一个重叠的像素单元的重叠面积以及在该重叠的像素单元中的红色子像素R1的颜色分量，即，位于上述各第一像素单元中的S4R12、S5R9和S6R12的红色子像素R1的颜色分量以及位于上述各第二像素单元中的S4R9、S6R9、S5R6和S5R12的红色子像素R1的颜色分量。然后，针对每一个重叠的像素单元计算重叠面积与对应的红色子像素R1的颜色分量的乘积，并且根据各个乘积的和以及采样区的面积来确定位于S5R9的红色子像素R1的发光亮度。
图11和图12为第一视图中的不同颜色的子像素的采样区的示意图。
如图11所示，能够对在同一视图中的不同颜色的采样区进行灵活地控制。图11所示的三个采样区分别为：第一视图中的位于S4R5的绿色子像素G1的采样区、位于S6R4的蓝色子像素B1的采样区以及位于S5R9的红色子像素R1的采样区。此外，如图12所示，第一视图中的同一个第一像素单元的红色子像素R1、绿色子像素G1和蓝色子像素B1的三个采样区是彼此部分重叠的。同理，在第二视图中也是如此，在此不详细描述。
需要说明的是，在本实施例中以第一像素单元和第二像素单元均包括红色子像素、蓝色子像素和绿色子像素3个不同颜色的子像素为例进行了说明，但是本本发明不限于此。第一像素单元和第二像素单元也可以包括4种或更多种不同颜色的子像素，此外子像素的颜色不限于红色、蓝色和绿色。
根据本发明的实施例，光栅可以为(但不限于)BM光栅、液晶光栅、电润湿光栅中的任意一种。
根据本发明的其他实施例提供了一种用于驱动立体显示装置的显示驱动装置以执行根据本发明的显示驱动方法。该显示驱动装置包括：像素划分单元，用于分别计算出用于显示第一视图的多个第一像素单元中的各个子像素的颜色分量和用于显示第二视图的多个第二 像素单元中的各个子像素的颜色分量；以及亮度确定单元，用于确定每个子像素的采样区，并按照与该子像素对应的采样区所覆盖的各个像素单元中与该子像素的颜色相同的颜色分量确定该子像素的发光亮度。
根据本发明的实施例，所述亮度确定单元可以用于：针对每一个子像素，确定其采样区与所述多个第一像素单元和多个第二像素单元中的每一个像素单元的重叠面积以及在重叠的像素单元中与该子像素的颜色相同的颜色分量；针对每一个重叠的像素单元计算重叠面积与对应的颜色分量的乘积；以及根据各个乘积的和以及采样区的面积确定该子像素的发光亮度。
根据本发明的实施例，该立体显示装置还可以包括：图像生成单元，用于向第一像素单元的每个子像素输入信号，以使各个子像素达到确定的发光亮度，从而形成第一视图，并且向第二像素单元的每个子像素输入信号，以使各个子像素达到确定的发光亮度，从而形成第二视图。
可以理解，以上实施方式仅为用于说明本发明的原理的示例性实施方式，然而本发明并不局限于此。对于本领域的普通技术人员而言，在不脱离本发明的精神和实质的情况下，可以做出各种变型和改进，这些变型和改进也视为本发明的保护范围。

Claims (10)

  1. 一种用于驱动立体显示装置的显示驱动方法，所述立体显示装置包括像素阵列和设置在像素阵列出光面的光栅，
    像素阵列包括用于显示第一视图的多个第一像素单元和用于显示第二视图的多个第二像素单元，所述多个第一像素单元和多个第二像素单元排列成矩阵，并且第一像素单元和第二像素单元在行方向上和列方向上均交替设置，第一像素单元和第二像素单元均包括设于同一列的多个不同颜色的子像素，
    光栅包括在行方向上和列方向上均交替设置的多个遮光区和多个透光区，每个遮光区用于遮挡在行方向上相邻的第一像素单元的第一侧和与第一像素单元的第一侧相对的第二像素单元的第二侧，
    所述显示驱动方法包括：
    分别计算出所述多个第一像素单元中的各个子像素的颜色分量和所述多个第二像素单元中的各个子像素的颜色分量；以及
    确定每个子像素的采样区，并按照与该子像素对应的采样区所覆盖的各个像素单元中与该子像素的颜色相同的颜色分量确定该子像素的发光亮度，
    其中，采样区为菱形采样区，菱形采样区的四个顶点分别为位于在与该子像素相邻的列中的、与该子像素邻近的四个同类子像素的中心连线的中点。
  2. 根据权利要求1的显示驱动方法，其中，在确定每个子像素的采样区并确定子像素的发光亮度的步骤之后还包括：
    向第一像素单元的每个子像素输入信号，以使各个子像素达到确定的发光亮度；以及
    向第二像素单元的每个子像素输入信号，以使各个子像素达到确定的发光亮度。
  3. 根据权利要求1的显示驱动方法，其中，所述光栅为BM光 栅、液晶光栅、电润湿光栅中的任意一种。
  4. 根据权利要求1的显示驱动方法，其中，每个像素单元包括三个不同颜色的子像素，其分别为：红色子像素、蓝色子像素和绿色子像素。
  5. 根据权利要求1所述的显示驱动方法，其中，确定每个子像素的采样区并确定子像素的发光亮度的步骤包括：
    针对每一个子像素，确定其采样区与所述多个第一像素单元和多个第二像素单元中的每一个像素单元的重叠面积以及在重叠的像素单元中与该子像素的颜色相同的颜色分量；
    针对每一个重叠的像素单元计算重叠面积与对应的颜色分量的乘积；以及
    根据各个乘积的和以及采样区的面积确定该子像素的发光亮度。
  6. 一种用于驱动立体显示装置的显示驱动装置，所述立体显示装置包括像素阵列和设置在像素阵列出光面的光栅，
    像素阵列包括用于显示第一视图的多个第一像素单元和用于显示第二视图的多个第二像素单元，所述多个第一像素单元和多个第二像素单元排列成矩阵，并且第一像素单元和第二像素单元在行方向上和列方向上均交替设置，第一像素单元和第二像素单元均包括设于同一列的多个不同颜色的子像素，
    光栅包括在行方向上和列方向上均交替设置的多个遮光区和多个透光区，每个遮光区用于遮挡在行方向上相邻的第一像素单元的第一侧和与第一像素单元的第一侧相对的第二像素单元的第二侧，
    所述显示驱动装置包括：
    像素划分单元，用于分别计算出所述多个第一像素单元中的各个子像素的颜色分量和所述多个第二像素单元中的各个子像素的颜色分量；以及
    亮度确定单元，用于确定每个子像素的采样区，并按照与该子像素对应的采样区所覆盖的各个像素单元中与该子像素的颜色相同的颜色分量确定该子像素的发光亮度，
    其中，采样区为菱形采样区，菱形采样区的四个顶点分别为位于在与该子像素相邻的列中的、与该子像素邻近的四个同类子像素的中心连线的中点。
  7. 根据权利要求6的显示驱动装置，还包括：
    图像生成单元，用于向第一像素单元的每个子像素输入信号，以使各个子像素达到确定的发光亮度，并且向第二像素单元的每个子像素输入信号，以使各个子像素达到确定的发光亮度。
  8. 根据权利要求6的显示驱动装置，其中，光栅为BM光栅、液晶光栅、电润湿光栅中的任意一种。
  9. 根据权利要求6的显示驱动装置，其中，每个像素单元包括三个不同颜色的子像素，其分别为：红色子像素、蓝色子像素、绿色子像素。
  10. 根据权利要求6所述的显示驱动装置，其中，所述亮度确定单元用于：
    针对每一个子像素，确定其采样区与所述多个第一像素单元和多个第二像素单元中的每一个像素单元的重叠面积以及在重叠的像素单元中与该子像素的颜色相同的颜色分量；
    针对每一个重叠的像素单元计算重叠面积与对应的颜色分量的乘积；以及
    根据各个乘积的和以及采样区的面积确定该子像素的发光亮度。
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