CN110337686A - Display panel, display device and pixel rendering method - Google Patents

Display panel, display device and pixel rendering method Download PDF

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Publication number
CN110337686A
CN110337686A CN201680091653.2A CN201680091653A CN110337686A CN 110337686 A CN110337686 A CN 110337686A CN 201680091653 A CN201680091653 A CN 201680091653A CN 110337686 A CN110337686 A CN 110337686A
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pixel unit
pixel
display panel
primary colors
image
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陶霖密
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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
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Nonlinear Science (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Optics & Photonics (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal Display Device Control (AREA)

Abstract

Display panel (140), display device (100) and pixel rendering method.Display panel (140) is rearranged by multiple pixel units, wherein each pixel unit does not have sub-pixel unit, only a pair of electrodes, and only show certain primary color, a pair of electrodes adjusts the brightness of shown primary colors, the set of color primaries that primary colors shown by each pixel unit in display panel (140) is formed from predetermined number kind primary colors.The brightness for the primary colors that each pixel unit is shown on display panel (140) is the brightness decision of the brightness by the same primary color of image pixel corresponding with the pixel unit on display panel (140) in image to be displayed, the same primary color together with each of predetermined surrounding image pixel.The pixel unit that display panel (140) and display device (100) have overturned color display apparatus is constituted, and pixel density can be greatly improved, greatly reduction energy consumption, and keeps superior image display capability.

Description

Display panel, display device and pixel rendering method Technical field
The present invention relates to display panels and display device, may be used as the color display panel and display device of the various equipment such as various mobile phones, tablet computer, laptop, display, television set, further relate to the pixel rendering method of display device.
Background technique
What a pixel unit in the display equipment of the prior art was all made of the sub-pixel unit of multiple and different colors.
It is currently being widely used various colorful display screens, such as cathode-ray tube (Cathode Ray Tube, CRT) display screen, light emitting diode (light-emitting diode, LED) display screen, Organic Light Emitting Diode (Organic Light Emitting Diode, OLED) display screen, liquid crystal display (liquid crystal display, LCD) etc., are all made of being arranged as pixel unit.One colorful display screen includes multiple pixel units, such as 640x480,1024x768,1920x1080 pixel unit etc..Each pixel unit includes the sub-pixel unit of two or three or more different colours.Wherein relatively common is that there are three sub-pixel units, i.e. red sub-pixel unit, green sub-pixels unit, blue subpixels unit for each pixel unit.Three sub-pixel units are arranged in parallel, form a pixel unit.
The anamorphose shown in order to prevent, each pixel unit are typically all square, and therefore, sub-pixel unit is rectangular, the ratio of width to height 3:1, as shown in Figure 6.Multiple pixel unit repeated arrangements form colorful display screen such as Fig. 7.Certainly, these pixel units are self luminous a bit, such as LED colorful display screen, active-matrix organic light emitting diode (AMOLED) panel (Active Matrix/Organic Light Emitting Diode, AMOLED) colorful display screen etc., some itself do not shine but uniformly provide light source by backlight, such as passive type organic electric exciting light-emitting diode (Passive matrix OLED, PMOLED) colorful display screen, LCD colorful display screen etc..
In addition, usually when showing color image, existing technology is three colors of an image pixel of color image to be shown, it is shown jointly by multiple sub-pixel units of a pixel unit in display equipment, each sub-pixel unit has a pair of electrodes of itself, between image pixel and the pixel unit for showing equipment Usually one-to-one relationship.
Summary of the invention
According to an aspect of the present invention, provide a kind of display panel, it can be rearranged by multiple pixel units, wherein each pixel unit does not have sub-pixel unit, only a pair of electrodes, and only showing certain primary color, the pair of electrode adjusts the brightness of shown certain primary color, the set of color primaries that primary colors shown by each pixel unit in the display panel is formed from predetermined number kind primary colors.
Further, display panel can be made of single pixel unit group repeated arrangement, the number of pixel unit in pixel unit group is corresponding with the primary colors number in set of color primaries and pixel unit group in pixel unit shown by primary colors in primary colors and set of color primaries correspond.
Further, in a line, for adjacent pixel unit, the primary colors of display can be different.
Further, in same row, for adjacent pixel unit, the primary colors of display can be different.
Further, a pixel unit can be different from its primary colors that adjacent pixel unit is shown up and down.
Further, the brightness for the primary colors that each pixel unit is shown on display panel can be by image to be displayed, the brightness of the same primary color of image pixel corresponding with the pixel unit on display panel, together with each of predetermined surrounding image pixel same primary color brightness decision.
Further, the brightness value S of primary colors S shown by the pixel unit on display panel positioned at (a, b)abIt can be by the image pixel P of same position on image to be displayedabSame color S brightness value and lower or so the same color of four adjacent image pixels in this position brightness value PSa(b‐1),PSa(b+1),PS(a‐1)b, and PS(a+1)bIt determines, wherein (a, b) indicates the abscissa and ordinate of correspondence image pixel in pixel unit and image to be displayed in display board.
Further, on display panel color shown by any pixel unit brightness value SabIt can determine according to the following equation:
Sab=C1x PSab+C2x(PSa(b‐1)+PSa(b+1)+PS(a‐1)b+PS(a+1)b)
C1, C2For weight coefficient, for the real number greater than 0, and C1>C2。
Further, each pixel unit can be square.
Further, the predetermined number kind primary colors can be Red, Blue, Green.
According to another aspect of the present invention, provide a kind of display device, it may include: display panel, it is rearranged by multiple pixel units, wherein each pixel unit does not have sub-pixel unit, only a pair of electrodes, and only shows a kind of primary colors, the brightness of the shown primary colors of the pair of electrode adjustment, it is described aobvious Show the set of color primaries that primary colors shown by each pixel unit in panel is formed from predetermined number kind primary colors；And driving circuit, for sending the luminance signal of primary colors corresponding with each pixel unit to each pixel unit of display panel.
Further, display device can also include: input picture receiving part, and for receiving input image data, the data of each image pixel of input image data include the brightness value of each of described predetermined number kind primary colors；And pixel rendering component, for executing pixel rendering operations based on input image data, to generate the brightness value of primary colors shown by each pixel unit on the display panel.
Further, display panel can be made of single pixel unit group repeated arrangement, the number of pixel unit in pixel unit group is corresponding with the primary colors number in set of color primaries and pixel unit group in pixel unit shown by primary colors in primary colors and set of color primaries correspond.
Further, in same a line of display panel, for adjacent pixel unit, the primary colors of display can be different.
Further, in the same row of display panel, for adjacent pixel unit, the primary colors of display can be different.
Further, in display panel, a pixel unit can be different from its primary colors that adjacent pixel unit is shown up and down.
Further, pixel rendering component can execute pixel rendering operations according to following principles, and the brightness value S of primary colors S shown by the pixel unit of (a, b) is located on display panelabBy the image pixel P of same position on image to be displayedabSame color S brightness value and lower or so the same color of four adjacent image pixels in this position brightness value PSa(b‐1),PSa(b+1),PS(a‐1)b, and PS(a+1)bIt determines, wherein (a, b) indicates the abscissa and ordinate of correspondence image pixel in pixel unit and image to be displayed in display board.
Further, pixel rendering component can determine the brightness value S of color shown by any pixel unit on display panel according to the following equationab:
Sab=C1x PSab+C2x(PSa(b‐1)+PSa(b+1)+PS(a‐1)b+PS(a+1)b)
Wherein C1, C2For weight coefficient, for the real number greater than 0, and C1>C2。
Further, each pixel unit can be square.
Further, the predetermined number kind primary colors is Red, Blue, Green.
In accordance with a further aspect of the present invention, provide a kind of pixel rendering method to cooperate with above-mentioned display device, for the image data according to image to be displayed, execute pixel rendering operations, to generate the brightness value of primary colors shown by each pixel unit on the display panel, pixel rendering operations wherein are executed according to following principles, the brightness for the primary colors that each pixel unit is shown on display panel is by image to be displayed The brightness of the same primary color of image pixel corresponding with the pixel unit on display panel, together with each of predetermined surrounding image pixel same primary color brightness decision.
Further, in pixel rendering method, pixel rendering operations can be executed according to following principles, the brightness value S of primary colors S shown by the pixel unit of (a, b) is located on display panelabBy the image pixel P of same position on image to be displayedabSame color S brightness value and lower or so the same color of four adjacent image pixels in this position brightness value PSa(b‐1),PSa(b+1),PS(a‐1)b, and PS(a+1)bIt determines, wherein (a, b) indicates the abscissa and ordinate of correspondence image pixel in pixel unit and image to be displayed in display board.
Further, in pixel rendering method, the brightness value S of color shown by any pixel unit on display panel can be determined according to the following equationab:
Sab=C1x PSab+C2x(PSa(b‐1)+PSa(b+1)+PS(a‐1)b+PS(a+1)b)
Wherein, C1, C2For weight coefficient, for the real number greater than 0, and C1>C2。
Display panel according to an embodiment of the present invention and display device, the pixel unit for having overturned color display apparatus are constituted, and pixel density can substantially be greatly improved, greatly reduction energy consumption, and keep superior image display capability.
Detailed description of the invention
From the detailed description with reference to the accompanying drawing to the embodiment of the present invention, these and/or other aspects of the invention and advantage will become clearer and be easier to understand, in which:
(a), (b), (c) in Fig. 1 show the example of three kinds of pixel units according to an embodiment of the present invention, using RGB set of color primaries, on display panel.
Fig. 2 (a) schematically illustrates a composition schematic diagram of the single pixel unit group under RGB primary colors mechanism；Fig. 2 (b) schematically shows a part of the display panel of pixel unit group repeated arrangement composition.
Fig. 3 diagrammatically illustrates a part of the display screen of homochromy arrangement in the ranks.
Fig. 4 shows the schematic block diagram of display device 100 according to an embodiment of the invention.
Fig. 5 (a)-(d) shows schematic diagram of the three primary colors pixel unit group display screen according to an embodiment of the present invention from image data to Display panel.
Fig. 6 shows the schematic diagram of the square pixel unit being made of RGB sub-pixel unit in traditional display panel.
Fig. 7 shows traditional multiple pixel unit repeated arrangements and forms colorful display screen schematic diagram.
[correcting 13.02.2017 according to detailed rules and regulations 91] Fig. 8 (a)-(c) shows the schematic diagram slave image data to Display panel of traditional display.
Specific embodiment
In order to make those skilled in the art more fully understand the present invention, invention is further described in detail with reference to the accompanying drawings and detailed description.
Firstly, illustrating the meaning of some terms herein.
Term " pixel ", also known as picture element, the basic unit shown for image, it is translated from English " pixel ", pix is that the common of English word picture is write a Chinese character in simplified form, in addition English word " element " element, just obtain pixel, therefore the meaning of " pixel " expression " pictorial element ".
Herein, to distinguish, the pixel on display screen is referred to as " pixel unit ", and the pixel on image is referred to as " image pixel ".
Term " primary colors " (also referred to as " primary colours ") indicates the color representation of image pixel, such as red (R), green (G), the blue (B) in RGB are referred to as three primary colors；Red (R), green (G) in RGBW, blue (B), white (W) are also primary colors；Green, pinkish red, yellow and black (common in CMYK colour gamut, printing industry and printer) and primary colors.But the present invention is not limited thereto, the type and number of primary colors can be with above-mentioned differences, it can be set as needed primary colors, such as primary systems can not be the usually described RGB, but for example orange, green, purple, as long as any color can be mixed to get according to such primary colors mechanism.
In subsequent example, will mainly it be described in case where the pixel unit type of display panel is RGB three primary colors pixel unit, but the present invention is not limited thereto, the type and number of the color of pixel unit can be different.
In view of pixel unit fact as composed by the sub-pixel unit of multiple and different colors in the display equipment of the prior art, the present invention is most subversive invention of the color display apparatus invention over more than 60 years: not having sub-pixel unit in a pixel unit, each pixel unit only has a pair of electrodes, and only show certain primary color, the brightness of the shown primary colors of the pair of electrode adjustment.Therefore, in the disclosure, substantially no longer there is the concept of rectangular sub-pixel unit.Contrastingly, as previously mentioned, traditional pixel unit is made of sub-pixel unit, and any color can be shown.
Further, three colors of an image pixel in color image to be shown show that the two is many-one relationship by multiple pixel units in display equipment jointly.Contrastingly, existing technology is three colors of an image pixel of color image to be shown, by a respective pixel unit in display equipment Multiple sub-pixel units are shown jointly, are one-to-one relationships between the image pixel of color image and the pixel unit for showing equipment.
According to an embodiment of the present invention, provide a kind of display panel, it is rearranged by multiple pixel units, wherein each pixel unit does not have sub-pixel unit, only a pair of electrodes, and only showing certain primary color, the pair of electrode adjusts the brightness of shown primary colors, the set of color primaries that primary colors shown by each pixel unit in the display panel is formed from predetermined number kind primary colors.
(a), (b), (c) in Fig. 1 show the example of three kinds of pixel units according to an embodiment of the present invention, using RGB set of color primaries, on display panel.
(a) as shown in figure 1, (b), (c) are shown, and corresponding with RGB primary colors mechanism, there are three kinds of pixel units, red pixel cell, green pixel cell and blue pixel cells on display panel.
Display panel is rearranged by red pixel cell, green pixel cell and blue pixel cells.
In a preferable example, in display panel, in same a line, the primary colors that adjacent pixel unit is shown is different.For example, in a row, there can be no two red pixel cells are adjacent, similarly, there can be no two green pixel cells are adjacent, there can be no two blue pixel cells are adjacent.
In a preferable example, in display panel, in same row, the primary colors that adjacent pixel unit is shown is different.For example, in a column, there can be no two red pixel cells are adjacent, similarly, there can be no two green pixel cells are adjacent, there can be no two blue pixel cells are adjacent.
In a preferable example, pixel unit is different from its primary colors that adjacent pixel unit is shown up and down.Such as, the adjacent pixel unit up and down of one red pixel cell cannot be red pixel cell, the adjacent pixel unit up and down of one green pixel cell cannot be red pixel cell, and the adjacent pixel unit up and down of a blue pixel cells cannot be red pixel cell.
In one example, display panel is made of single pixel unit group repeated arrangement, the number of pixel unit in pixel unit group is corresponding with the primary colors number in set of color primaries and pixel unit group in pixel unit shown by primary colors in primary colors and set of color primaries correspond.
After obtaining pixel unit group, pixel unit group repeated arrangement obtains display screen.In actually manufacture display screen, after usually manufacturing very big display board, to this, big display board is cut, and obtains the display screen for needing size.Herein, " display screen " and " display panel " has identical connotation, is used interchangeably.
It should be noted that, herein, display screen or display panel are described as repeating to form by pixel unit group, but it is understood that, as known to the skilled person, the pixel unit group for the one or more edges that will lead to display panel due to the size of display panel and/or the factor of production or limitation is imperfect.
Preferably, the anamorphose shown in order to prevent, each pixel unit are square.
Fig. 2 (a) schematically illustrates a composition schematic diagram of the single pixel unit group under RGB primary colors mechanism, and wherein pixel unit group is sequentially arranged by red pixel cell, green pixel cell, blue pixel cells and is formed.
It should be noted that including three pixel units in pixel unit group, and sorted in a manner of RGB in example shown in Fig. 2 (a).It is but only for example, quantity, color and the sortord of pixel unit can be different actually in pixel unit group.For example, under RGB primary colors mechanism, the arrangement mode of three primary colors pixel unit can be blue red green, bluish-green red etc..For another example may include N number of pixel unit in pixel unit group, each pixel unit corresponds to one of N number of primary colors under N chromogen color mechanism (N is the integer more than or equal to 3).
In fact, display screen according to an embodiment of the invention may be summarized to be: three primary colors pixel unit group pixel unit group, pixel unit group are repeatedly formed display screen.In other words, it is assumed that the first primary colors, the second primary colors, third primary color pixel unit are respectively indicated with P1, P2, P3, three pixel units arrange in a row in the following manner in pixel unit group:
P1P2P3
Note that P1, P2, P3 here is respectively one of three primary colors, and different from each other.It should be noted that, although with P1 be usually hereinafter red, P2 is green and P3 is to be illustrated for blue, but actually P1 can be green or blue, correspondingly P2 and P3 any one may be other colors.It preferably, include the pixel unit of all primary colors in a pixel unit group, and the quantity of each primary color pixels unit is equal in the same pixel unit group, this can guarantee display quality to avoid the image color cast of display.
It is illustrated by taking trichromatic would unit group as an example respectively above.But, it is only for example, actually pixel unit group can be made of more pixel units.Display screen can have in more kinds of primary colors or pixel unit group and have more pixel units.Actually, as long as the composition of colorful display screen according to an embodiment of the present invention meets following condition: display screen is repeated to form by pixel unit group, pixel unit group is rearranged by the pixel unit of the different primary colors of the predetermined number that a line is arranged according to different order, wherein at least there is the color of two kinds of primary colors and the adjacent pixel unit of any two of them not identical.
Fig. 2 (b) schematically shows a part of the display panel of pixel unit group repeated arrangement composition.
The pixel unit group repeated arrangement shown in Fig. 2 (b) forms in the mode of display panel, and in same a line, adjacent pixel unit is not homochromy, and in same row, and adjacent pixel unit is not also homochromy.
Pixel unit group repeated arrangement mode shown in Fig. 2 (b) is heterochromatic arrangement in the ranks, in the ranks heterochromatic arrangement It is different to refer to that the color of the pixel unit of the corresponding position between each row exists, such as the color of the adjacent pixel unit in same row is different.
The mode of pixel unit group repeated arrangement further includes homochromy arrangement in the ranks.Homochromy arrangement in the ranks refer to the color of the pixel unit of corresponding position between each row be it is identical, i.e., the color of the pixel unit in same row is all identical.
Fig. 3 diagrammatically illustrates a part of the display screen of homochromy arrangement in the ranks；Color is identical between different respective pixel units in the ranks as shown in the figure, and the pixel unit color shown as in each column is all identical, and if the pixel unit of first row is all red, the pixel unit of secondary series is all green, etc.
As an example, display panel can be liquid crystal display panel, emission-type electroluminescence display panel, Plasmia indicating panel, field emitter display panel, electrophoretic display panel, iridescent display panel, incandescent display panel, LED display panel and organic LED display panel etc..
Furthermore, the number and type of primary colors or primary colours, which can according to need, to be designed, such as other than red, green, blue three primary colors, it is also an option that the four primaries of red green, blue, white, it and can also include other primary colors, such as cyan, carmetta etc..
According to an embodiment of the present invention, the brightness for the primary colors that each pixel unit is shown on display panel be by image to be displayed, the brightness of the same primary color of image pixel corresponding with the pixel unit on display panel, together with each of predetermined surrounding image pixel same primary color brightness decision.
Well known, traditional pixel unit is as follows by the color line screen display technology that sub-pixel unit forms: three colors of an image pixel of color image to be shown, it is shown jointly by multiple sub-pixel units of a pixel unit in display equipment, is one-to-one relationship between image pixel and pixel unit.In other words, traditionally, the display of the color of an image pixel is exactly to be carried out by a respective pixel unit on display screen.
Contrastingly, according to one embodiment of the disclosure, three colors of an image pixel in color image to be shown are shown jointly by multiple pixel units in display equipment, the pixel unit of the image pixel of color image and display equipment be many-one relationship.
Display panel according to an embodiment of the present invention can constitute display device in conjunction with driving circuit.After receiving color image, driven to obtain the brightness value of primary colors shown by each pixel unit in pixel panel by driving circuit by pixel rendering technology, thus display panel can show color image.
Describe how using the display panel of the disclosure to show color image below with reference to display device and pixel rendering method.
Fig. 4 shows the schematic block diagram of display device 100 according to an embodiment of the invention. The structural block diagram illustrates only the component closely related with the embodiment of the present invention, and the configuration is simultaneously unrestricted, also non-exclusive, but can also include other component.
As shown in figure 4, display device 100 may include input picture receiving part 110, pixel rendering component 120, driving part 130 and display panel 140.
Display panel 140 is rearranged by multiple pixel units, wherein each pixel unit does not have sub-pixel unit, only a pair of electrodes, and only show a kind of primary colors, the pair of electrode adjusts the brightness of shown primary colors, the set of color primaries that primary colors shown by each pixel unit in the display panel is formed from predetermined number kind primary colors.Composition, function in relation to display panel 100 etc. can refer to the content of front, and which is not described herein again.
Driving part 130 is used to send the luminance signal of primary colors corresponding with each pixel unit to each pixel unit of display panel.
For input picture receiving part 110 for receiving input image data, the data of each image pixel of input image data generally include the brightness value of each of predetermined number kind primary colors.The format of input image data can be conventional three colors " both full-pixel " rgb format, or other sRGB, YCbCr, RGBW formats etc..In the case where the color space of input image data is different from the color space of display panel, input picture receiving part 110 may include that the function of Color Gamut Mapping is carried out to input image data, such as, if input data is RGBW format, it to be rendered on RGB display panel, then need to carry out gamut mapping operation.Certainly, such Color Gamut Mapping function can be incorporated to input data receiving part 110, can also be by realizing independently of the other components or special Color Gamut Mapping component that map data receiver component 110.
Pixel rendering component 120 is used to execute pixel rendering operations based on input image data, to generate the brightness value of primary colors shown by each pixel unit on the display panel.Different from the rendering component of existing display device, the pixel rendering component 120 of the embodiment of the present invention is used to execute pixel rendering operations based on input image data (including the input image data by the processing of such as Color Gamut Mapping), so that three color values of an image pixel are given to multiple display pixel cells according to rendering calculation formula, a display pixel cells also receive the input of multiple images pixel simultaneously, to generate the brightness value of each pixel unit on the display panel.Based on such brightness value, driving part 130 sends signal to each pixel unit of display panel 140, to realize that input image data is shown on a display panel in a manner of enabling observer pleasant.It compares, the prior art is that sub-pixel unit rendering assigns the sub-pixel unit of the respective pixel unit on display panel, provide brightness value for it that is, by the rgb value of input image data
Just to convey the present invention, the difference of the present invention with the prior art are highlighted, is briefly retouched first State the determination method of the sub-pixel unit brightness of traditional display.Fig. 8 (a)-(c) shows the schematic diagram slave image data to Display panel of traditional display, and wherein Fig. 8 (a) shows the part input image data of the width color image with multiple images pixel；Wherein PijIndicate that the part input image data of the image pixel of the i-th row jth column, i and j are the integer more than or equal to 0；Fig. 8 (b) specifically illustrates 6 image pixel (P in image shown in Fig. 3 (a)0,P1,P2,P3,P4,P5) color value, respectively (R0,G0,B0),…,(R5,G5,B5)；Fig. 8 (c) shows conventional RGB displays and directly shows image according to the numerical value of Fig. 8 (b), i.e., the color value of the sub-pixel unit of a pixel unit corresponds directly to the color value of the sub-image pixels in the correspondence image pixel on image on display.
Display device 100 according to an embodiment of the present invention, the brightness for the primary colors that each pixel unit is shown on display panel be by image to be displayed, the brightness of the same primary color of image pixel corresponding with the pixel unit on display panel, together with each of predetermined surrounding image pixel same primary color brightness decision.
In one example, pixel rendering component 120 executes pixel rendering operations according to following principles, and the brightness value S of primary colors S shown by the pixel unit of (a, b) is located on display panel 140abBy the image pixel P of same position on image to be displayedabSame color S brightness value and lower or so the same color of four adjacent image pixels in this position brightness value PSa(b‐1),PSa(b+1),PS(a‐1)b, and PS(a+1)bIt determines, wherein (a, b) indicates the abscissa and ordinate of correspondence image pixel in pixel unit and image to be displayed in display board.
In one example, pixel rendering component determines the brightness value S of color shown by any pixel unit on display panel according to the following equation (1)ab:
Sab=C1x PSab+C2x(PSa(b‐1)+PSa(b+1)+PS(a‐1)b+PS(a+1)b)    (1)
Wherein C1,C2For weight coefficient, for the real number greater than 0 less than 1, and C1>C2。
Fig. 5 (a)-(d) shows schematic diagram of the three primary colors pixel unit group display screen according to an embodiment of the present invention from image data to Display panel, and wherein Fig. 5 (a) shows the part input image data of the width color image with multiple images pixel；Wherein PijIndicate that the part input image data of the image pixel of the i-th row jth column, i and j are the integer more than or equal to 0；Fig. 5 (b) specifically illustrates 18 image pixel P in image shown in Fig. 5 (a)00-P25Color value, respectively (R00,G00,B00),…,(R25,G25,B25)；Fig. 5 (c) shows the image pixel P of input pictureijAnd its four adjacent image pixels up and down: P(i-1)j、P(i+1)j、Pi(j-1)、Pi(j+1), corresponding position is S in display screenij, indicate that the pixel unit of the i-th row jth column, color S are one of three primary colors, then display pixel cells SijBrightness rendering calculation formula be, for example, following formula (2):
Sij=0.5x PSij+0.125x(PSi(j‐1)+PSi(j+1)+PS(i‐1)j+PS(i+1)j)    (2)
Obviously, there are many brightness rendering methods, above-mentioned formula is an example, and example in addition has:
Sij=0.6x PSij+0.1x(PSi(j‐1)+PSi(j+1)+PS(i‐1)j+PS(i+1)j)    (3)
In above-mentioned two formula, PSijIndicate image pixel PijMiddle color is the value of the component of S.For example, S on display paneljiFor red, then PSijIndicate image pixel PijIn red component value.Therefore, substantially, as long as current picture P and adjacent image pixels are weighted to 1 around it, so that the normalized method of the total brightness of each display pixel cells, all can serve as the rendering method of display pixel cells.The value that Fig. 5 (d) shows after calculating Fig. 5 (c) is sent to three primary colors pixel unit group and shows screen display.
Since the brightness value of display pixel cells needs to drive display pixel cells by the driving part 130 (Fig. 4) of display screen, therefore, it can not consider the Normalized Relation between display pixel cells value and Color image pixel value, above-mentioned formula (2) and (3) can be written as respectively:
Sij=2x PSij+PSi(j‐1)+PSi(j+1)+PS(i‐1)j+PS(i+1)j    (4)
And:
Sij=6x PSij+PSi(j‐1)+PSi(j+1)+PS(i‐1)j+PS(i+1)j    (5)
The disclosure additionally provides a kind of pixel rendering method to cooperate with above-mentioned display device, for the image data according to image to be displayed, execute pixel rendering operations, to generate the brightness value of primary colors shown by each pixel unit on the display panel, wherein pixel rendering operations are executed according to following principles, the brightness for the primary colors that each pixel unit is shown on display panel is by image to be displayed, the brightness of the same primary color of image pixel corresponding with the pixel unit on display panel, together with the brightness decision of the same primary color of each of predetermined surrounding image pixel.
In one example, pixel rendering method executes pixel rendering operations according to following principles, and the brightness value S of primary colors S shown by the pixel unit of (a, b) is located on display panelabBy the image pixel P of same position on image to be displayedabSame color S brightness value and lower or so the same color of four adjacent image pixels in this position brightness value PSa(b‐1),PSa(b+1),PS(a‐1)b, and PS(a+1)bIt determines, wherein (a, b) indicates the abscissa and ordinate of correspondence image pixel in pixel unit and image to be displayed in display board.
In one example, the brightness value S of color shown by any pixel unit on display panel is determined according to the following equationab:
Sab=C1x PSab+C2x(PSa(b‐1)+PSa(b+1)+PS(a‐1)b+PS(a+1)b)
Wherein, C1,C2For weight coefficient, for the real number greater than 0, and C1>C2。
Above by taking three primary colors pixel unit group display screen as an example, illustrate the embodiment of the present invention based on input image data, according to the color of pixel unit and its arrangement mode in the pixel unit group of display screen come the method for rendered pixel.The display screen of the embodiment and the combination of rendering method make display device have high pixel density, low energy consumption, Qiang Yanse reducing power advantage.
Various embodiments of the present invention are described above, above description is exemplary, and non-exclusive, and it is also not necessarily limited to disclosed each embodiment.Without departing from the scope and spirit of illustrated each embodiment, various combinations, secondary combination, modifications and changes be will be apparent from for those skilled in the art.Therefore, protection scope of the present invention should be subject to the protection scope in claims.

Claims (23)

  1. A kind of display panel, it is rearranged by multiple pixel units, wherein each pixel unit does not have sub-pixel unit, only a pair of electrodes, and only show certain primary color, the pair of electrode adjusts the brightness of shown certain primary color, the set of color primaries that primary colors shown by each pixel unit in the display panel is formed from predetermined number kind primary colors.
  2. Display panel according to claim 1, display panel is made of single pixel unit group repeated arrangement, the number of pixel unit in pixel unit group is corresponding with the primary colors number in set of color primaries and pixel unit group in pixel unit shown by primary colors in primary colors and set of color primaries correspond.
  3. Display panel according to claim 1, in a line, for adjacent pixel unit, the primary colors of display is different.
  4. Display panel according to claim 1, in same row, for adjacent pixel unit, the primary colors of display is different.
  5. Display panel according to claim 1, a pixel unit are different from its primary colors that adjacent pixel unit is shown up and down.
  6. Display panel according to claim 1, the brightness for the primary colors that each pixel unit is shown on display panel be by image to be displayed, the brightness of the same primary color of image pixel corresponding with the pixel unit on display panel, together with each of predetermined surrounding image pixel same primary color brightness decision.
  7. Display panel according to claim 1, the brightness value S of primary colors S shown by the pixel unit on display panel positioned at (a, b)abBy the image pixel P of same position on image to be displayedabSame color S brightness value and lower or so the same color of four adjacent image pixels in this position brightness value PSa(b‐1),PSa(b+1),PS(a‐1)b, and PS(a+1)bIt determines,
    Wherein (a, b) indicates the abscissa and ordinate of correspondence image pixel in the pixel unit and image to be displayed in display board.
  8. Display panel according to claim 7, the brightness value S of color shown by any pixel unit on display panelabIt determines according to the following equation:
    Sab=C1xPSab+C2x(PSa(b‐1)+PSa(b+1)+PS(a‐1)b+PS(a+1)b)
    C1,C2For weight coefficient, for the real number greater than 0, and C1>C2。
  9. Display panel according to claim 7, each pixel unit are square.
  10. Any one of -9 display panel according to claim 1, the predetermined number kind primary colors be it is red, Blue, green three primary colors.
  11. A kind of display device, comprising:
    Display panel, it is rearranged by multiple pixel units, wherein each pixel unit does not have sub-pixel unit, only a pair of electrodes, and only show a kind of primary colors, the pair of electrode adjusts the brightness of shown primary colors, the set of color primaries that primary colors shown by each pixel unit in the display panel is formed from predetermined number kind primary colors；And
    Driving circuit, for sending the luminance signal of primary colors corresponding with each pixel unit to each pixel unit of display panel.
  12. Display device according to claim 11 further includes
    Input picture receiving part, for receiving input image data, the data of each image pixel of input image data include the brightness value of each of described predetermined number kind primary colors；And
    Pixel rendering component, for executing pixel rendering operations based on input image data, to generate the brightness value of primary colors shown by each pixel unit on the display panel.
  13. Display panel according to claim 1, display panel is made of single pixel unit group repeated arrangement, the number of pixel unit in pixel unit group is corresponding with the primary colors number in set of color primaries and pixel unit group in pixel unit shown by primary colors in primary colors and set of color primaries correspond.
  14. Display device according to claim 11, wherein in same a line of display panel, for adjacent pixel unit, the primary colors of display is different.
  15. Display device according to claim 11, wherein in the same row of display panel, for adjacent pixel unit, the primary colors of display is different.
  16. Display device according to claim 11 a, wherein pixel unit is different from its primary colors that adjacent pixel unit is shown up and down in display panel.
  17. Display device according to claim 11, pixel rendering component execute pixel rendering operations according to following principles, the brightness value S of primary colors S shown by the pixel unit of (a, b) are located on display panelabBy the image pixel P of same position on image to be displayedabSame color S brightness value and lower or so the same color of four adjacent image pixels in this position brightness value PSa(b‐1),PSa(b+1),PS(a‐1)b, and PS(a+1)bIt determines,
    Wherein (a, b) indicates the abscissa and ordinate of correspondence image pixel in the pixel unit and image to be displayed in display board.
  18. Display device according to claim 17, pixel rendering component determine the brightness value S of color shown by any pixel unit on display panel according to the following equationab:
    Sab=C1xPSab+C2x(PSa(b‐1)+PSa(b+1)+PS(a‐1)b+PS(a+1)b)
    C1, C2For weight coefficient, for the real number greater than 0, and C1>C2。
  19. Display device according to claim 11, each pixel unit are square.
  20. According to claim 1, the display device of any one of 1-19, the predetermined number kind primary colors are Red, Blue, Green.
  21. A kind of pixel rendering method to cooperate with display device defined by claims 1 to 20 executes pixel rendering operations, for the image data according to image to be displayed to generate the brightness value of primary colors shown by each pixel unit on the display panel
    Wherein pixel rendering operations are executed according to following principles, the brightness for the primary colors that each pixel unit is shown on display panel be by image to be displayed, the brightness of the same primary color of image pixel corresponding with the pixel unit on display panel, together with each of predetermined surrounding image pixel same primary color brightness decision.
  22. Pixel rendering method according to claim 21,
    Pixel rendering operations wherein are executed according to following principles, the brightness value S of primary colors S shown by the pixel unit of (a, b) is located on display panelabBy the image pixel P of same position on image to be displayedabSame color S brightness value and lower or so the same color of four adjacent image pixels in this position brightness value PSa(b‐1),PSa(b+1),PS(a‐1)b, and PS(a+1)bIt determines,
    Wherein (a, b) indicates the abscissa and ordinate of correspondence image pixel in the pixel unit and image to be displayed in display board.
  23. Pixel rendering method according to claim 22, wherein determining the brightness value S of color shown by any pixel unit on display panel according to the following equationab:
    Sab=C1xPSab+C2x(PSa(b‐1)+PSa(b+1)+PS(a‐1)b+PS(a+1)b)
    Wherein, C1,C2For weight coefficient, for the real number greater than 0, and C1>C2。
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