WO2019042013A1 - 像素结构及显示装置 - Google Patents

像素结构及显示装置 Download PDF

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Publication number
WO2019042013A1
WO2019042013A1 PCT/CN2018/094822 CN2018094822W WO2019042013A1 WO 2019042013 A1 WO2019042013 A1 WO 2019042013A1 CN 2018094822 W CN2018094822 W CN 2018094822W WO 2019042013 A1 WO2019042013 A1 WO 2019042013A1
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WIPO (PCT)
Prior art keywords
sub
pixel
color
pixels
repeating units
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2018/094822
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English (en)
French (fr)
Inventor
刘明星
李俊峰
王徐亮
高峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kunshan Govisionox Optoelectronics Co Ltd
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Kunshan Govisionox Optoelectronics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Priority claimed from CN201710776282.8A external-priority patent/CN108511481B/zh
Priority claimed from CN201721113042.1U external-priority patent/CN207265057U/zh
Application filed by Kunshan Govisionox Optoelectronics Co Ltd filed Critical Kunshan Govisionox Optoelectronics Co Ltd
Publication of WO2019042013A1 publication Critical patent/WO2019042013A1/zh
Priority to US16/437,110 priority Critical patent/US10971555B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • G09G3/22—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 using controlled light sources
    • G09G3/30—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 using controlled light sources using electroluminescent panels
    • G09G3/32—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • G09G3/3208—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/30—Devices specially adapted for multicolour light emission
    • H10K59/35—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels
    • H10K59/351—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels comprising more than three subpixels, e.g. red-green-blue-white [RGBW]
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/30—Devices specially adapted for multicolour light emission
    • H10K59/35—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels
    • H10K59/352—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels the areas of the RGB subpixels being different
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/30—Devices specially adapted for multicolour light emission
    • H10K59/35—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels
    • H10K59/353—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels characterised by the geometrical arrangement of the RGB subpixels
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
    • H10K71/10—Deposition of organic active material
    • H10K71/16—Deposition of organic active material using physical vapour deposition [PVD], e.g. vacuum deposition or sputtering
    • H10K71/166—Deposition of organic active material using physical vapour deposition [PVD], e.g. vacuum deposition or sputtering using selective deposition, e.g. using a mask
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2300/00—Aspects of the constitution of display devices
    • G09G2300/04—Structural and physical details of display devices
    • G09G2300/0439—Pixel structures
    • G09G2300/0452—Details of colour pixel setup, e.g. pixel composed of a red, a blue and two green components
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K50/00—Organic light-emitting devices
    • H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
    • H10K50/11—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers

Definitions

  • the present disclosure relates to the field of planar display technologies, and in particular, to a pixel structure and a display device.
  • OLED display device is one of the hotspots in the field of flat panel display research. Compared with liquid crystal display (LCD), OLED display device has wide viewing angle, high brightness and high brightness. Contrast, low power consumption, thinner and lighter. At present, in the field of flat panel displays such as mobile phones, personal digital assistants (PDAs), and digital cameras, OLED display devices have begun to replace traditional liquid crystal displays.
  • LCD liquid crystal display
  • PDAs personal digital assistants
  • digital cameras OLED display devices have begun to replace traditional liquid crystal displays.
  • the structure of the OLED display device mainly includes: a substrate, and pixels fabricated in a matrix on the substrate.
  • Each of the pixels generally forms an organic electroluminescent structure on a corresponding pixel position on the array substrate through a high-precision metal mask (FMM) by an evaporation forming method using an organic material. Since the organic light-emitting materials of the red, green and blue light-emitting sub-pixels are different, in the manufacturing process, three different organic materials for red, green and blue light-emitting sub-pixels are respectively evaporated by the FMM at corresponding positions. Then adjust the color mixing ratio of the three color combinations to produce true color. Thus, the three sub-pixels of red, green, and blue independently emit light to form one pixel unit.
  • FMM high-precision metal mask
  • the blue sub-pixels in the OLED display device are fluorescent materials
  • the red sub-pixels and the green sub-pixels are phosphorescent materials. Due to the limitation of materials, the luminescence lifetime is red sub-pixels higher than green sub-pixels, red sub-pixels and green sub-pixels. The pixels are much higher than the blue sub-pixels, and the material life of the three sub-pixels is not balanced.
  • the existing pixel arrangement is also unfavorable for the balance of current material life, and as the display panel is developed toward high resolution, how to perform pixel arrangement can improve the resolution and balance the material lifetime.
  • Technical problem is also unfavorable for the balance of current material life, and as the display panel is developed toward high resolution, how to perform pixel arrangement can improve the resolution and balance the material lifetime.
  • the present disclosure provides a pixel structure and a display device, the purpose of which is to improve the resolution of a display device.
  • Another object of the present disclosure is to equalize sub-pixels having different material lifetimes.
  • the present disclosure provides a pixel structure including a plurality of repeating units arranged in an array, each repeating unit including a sub-pixel of a first color, two sub-pixels of a second color, and two third a sub-pixel of a color, wherein the first color, the second color, and the third color are different from each other, and both sides of the sub-pixel of the first color have one sub-pixel of the second color and one of the The sub-pixel of the third color.
  • one sub-pixel with the highest brightness is divided into two sub-pixels.
  • one sub-pixel having the largest brightness has a smaller area than the remaining sub-pixels.
  • the sub-pixel with the highest brightness is a sub-pixel of the second color
  • the area of the sub-pixel of the second color is half of the area of the sub-pixel of the first color and the sub-pixel of the third color.
  • the sub-pixel with the highest brightness is a sub-pixel of the second color
  • the sub-pixel of the second color is divided into two sub-pixels
  • the sub-pixels of the first color are respectively
  • the two color sub-pixels and the third color sub-pixels are shared to form two pixel unit groups; in each of the pixel unit groups, the first color sub-pixel and the third color sub-pixel respectively
  • Each of the two dependent sub-pixels separated in the two-color sub-pixel constitutes one pixel unit.
  • the first color and the third color are selected from red and blue, and the second color is green.
  • the sub-pixel of the first color is divided into two sub-pixels, the sub-pixels of the first color are separated by two sub-pixels and the sub-pixels of the second color of the two sides,
  • the sub-pixels of the third color constitute two pixel units.
  • the first color is green
  • the second color and the third color are selected from red and blue.
  • the separated two sub-pixels are simultaneously formed by evaporation of one opening of the evaporation mask.
  • the plurality of sub-pixels in the repeating unit are arranged in a first direction, and the repeating units adjacent in the second direction are arranged in a misalignment in the first direction.
  • the first direction is a row direction
  • the second direction is a column direction
  • the repeating units of the odd rows are aligned with each other
  • the repeating units of the even rows are aligned with each other
  • the repeating units of the even rows and the repeating units of the odd rows Displaced in the row direction;
  • the first direction is a column direction
  • the second direction is a row direction
  • the repeating units of the odd columns are aligned with each other
  • the repeating units of the even columns are aligned with each other
  • the repeating units of the even columns and the repeating units of the odd columns are in the column direction Misplaced arrangement.
  • the pixel unit in one repeating unit is used to implement left eye display, and the pixel unit in another repeating unit is used to implement right eye display.
  • the first direction and the second direction are perpendicular.
  • the shape of the sub-pixel of the first color is a rectangle or a triangle or a pentagon or a hexagon or an octagon
  • the shape of the sub-pixel of the second color is a rectangle or a triangle or a pentagon or A hexagon or an octagon
  • the shape of the sub-pixel of the third color is a rectangle or a triangle or a pentagon or a hexagon or an octagon.
  • the pixel unit in one repeating unit is used to implement left eye display, and the pixel unit in another repeating unit is used to implement right eye display.
  • adjacent sub-pixels of two adjacent repeating units have different colors.
  • the present disclosure also provides a display device including the pixel structure as described above.
  • the pixel structure and the display device provided by the present disclosure have the following beneficial effects:
  • the pixel structure comprises a plurality of repeating units arranged in an array, each repeating unit comprising a plurality of sub-pixels having three colors, wherein one sub-pixel of one color has one, and each of the sub-pixels of the other two colors has two,
  • the sub-pixels in the middle are respectively located on two sides of the sub-pixels of the one color, and the two sub-pixels on the two sides respectively form two pixel units, thereby realizing the sharing of the sub-pixels, which is beneficial to improving the resolution of the display device;
  • the sub-pixel with the highest brightness is divided into two sub-pixels, so that the number of sub-pixels with the highest brightness is increased, thereby increasing the PPI (Pixels Per Inch), further improving the display device.
  • the same opening of the evaporation mask can be used to evaporate two separated sub-pixels, which can reduce the difficulty of the evaporation mask manufacturing process and the evaporation process;
  • the first sub-pixel is a red sub-pixel or a blue sub-pixel
  • the sharing of the sub-pixels with longer lifetime is realized, thereby balancing the sub-pixels of different material lifetimes, thereby improving the service life of the display device
  • the repeating units adjacent in the second direction are arranged offset in the first direction, thereby making the pixel arrangement more uniform and improving the display effect of the display device;
  • the pixel units in one pixel unit group are used for realizing left-eye display, and the pixel units in another pixel unit group are used for time-division control.
  • the right eye display is implemented, so that the display device including the pixel structure can also be used to implement VR (Virtual Reality) and 3D (three-dimensional) display.
  • FIG. 1 is a schematic structural diagram of a pixel structure according to Embodiment 1 of the present disclosure
  • Embodiment 2 is a schematic diagram of division of a repeating unit in Embodiment 1 of the present disclosure
  • FIG. 3 is a schematic structural diagram of a pixel structure according to Embodiment 2 of the present disclosure.
  • FIG. 4 is a schematic diagram of dividing a repeating unit in Embodiment 2 of the present disclosure.
  • FIG. 5 is a schematic structural diagram of a pixel structure according to Embodiment 3 of the present disclosure.
  • FIG. 6 is a schematic diagram of dividing a repeating unit in Embodiment 3 of the present disclosure.
  • FIG. 7 is a schematic structural diagram of a pixel structure according to Embodiment 4 of the present disclosure.
  • Embodiment 8 is a schematic diagram of dividing a repeating unit in Embodiment 4 of the present disclosure.
  • 9a to 9d are schematic structural views of two adjacent repeating units provided in Embodiment 5 of the present disclosure.
  • 10a to 10d are schematic structural views of two adjacent repeating units provided in Embodiment 5 of the present disclosure.
  • 11a-11h are schematic structural diagrams of a pixel structure according to Embodiment 6 of the present disclosure.
  • FIG. 1 is a schematic structural diagram of a pixel structure according to Embodiment 1 of the present disclosure.
  • the present disclosure provides a pixel structure including a plurality of repeating units 10 arranged in a matrix, the repeating units 10 being repeatedly arranged in a first direction and a second direction, each repeating unit 10 including an edge a first sub-pixel 101, two second sub-pixels 102, and two third sub-pixels 103 arranged in a first direction, the first sub-pixel 101 being located in the middle, the second sub-pixel 102 and the third sub-pixel 103 are respectively located on both sides of the first sub-pixel 101, and one of the three sub-pixels having brightness greater than the remaining two sub-pixels is divided into two sub-pixels in the second direction.
  • the first direction is perpendicular to the second direction.
  • the first direction is the row direction (X direction)
  • the second direction is the column direction (Y direction).
  • the repeating unit 10 includes a second sub-pixel 102, a third sub-pixel 103, a first sub-pixel 101, a second sub-pixel 102, and a third sub-array arranged in a first direction (X direction).
  • a pixel 103 the first sub-pixel 101 is shared by the second sub-pixel 102 and the third sub-pixel 103 on both sides to form two pixel unit groups.
  • the first sub-pixel 101 and The second sub-pixel 102 and the third sub-pixel 103 on one side (for example, the left side in FIG. 2) constitute a first pixel unit group P10
  • the first sub-pixel 101 is on the other side (for example, the right side in FIG. 2)
  • the second sub-pixel 102 and the third sub-pixel 103 constitute a second pixel unit group P20.
  • the second sub-pixel 102 is divided into two sub-pixels in the second direction (Y direction).
  • the first sub-pixel 101 and the third sub-pixel 103 are The two sub-pixels separated by the two sub-pixels 102 are shared to form two pixel units.
  • the first sub-pixel 101, the third sub-pixel 103, and the second sub-pixel 102 are separated.
  • the sub-pixels (for example, the upper side in FIG. 2) constitute a first pixel unit P11, and the first sub-pixel 101, the third sub-pixel 103, and another sub-pixel separated by the second sub-pixel 102 ( For example, the lower side in FIG. 2 constitutes the second pixel unit P12.
  • the first sub-pixel 101 and the third sub-pixel 103 are combined with one sub-pixel (for example, the upper side in FIG. 2) separated by the second sub-pixel 102.
  • a third pixel unit P21, the first sub-pixel 101, the third sub-pixel 103, and another sub-pixel (eg, the lower side in FIG. 2) separated in the second sub-pixel 102 constitute a fourth pixel unit P22.
  • the first sub-pixel 101 may be divided into two or four sub-pixels, and each of the two sub-pixels that are separated is shared twice, or each of the four sub-pixels that are separated is composed of the remaining sub-pixels.
  • One pixel unit, or the third sub-pixel 103 may be divided into two sub-pixels, each sub-pixel and the remaining sub-pixels constitute one pixel unit, of course, the first sub-pixel 101 and the third sub-pixel 103 may also be At the same time, it is separated, so that the same opening of the evaporation mask can be used to evaporate two or four separated sub-pixels, which can reduce the difficulty of the evaporation mask manufacturing process and the evaporation process.
  • the first sub-pixel 101 is a red sub-pixel
  • the second sub-pixel 102 is a green sub-pixel
  • the third sub-pixel 103 is a blue sub-pixel
  • each of the pixel units includes a red color.
  • Sub-pixels, green sub-pixels, and blue sub-pixels enable true-color display in the true sense.
  • the red sub-pixel since the red sub-pixel has the highest lifetime, the red sub-pixel is shared four times, and the red sub-pixel can be used to the maximum, and the green sub-pixel is the brightest, and the green sub-pixel is divided into two sub-pixels, and It affects the brightness of the display device, and is calculated by the brightest sub-pixel (green sub-pixel) when calculating the PPI, and the number of green sub-pixels is increased, the PPI is increased, and the resolution of the display device is further improved.
  • the same opening of the evaporation mask can be used to simultaneously vaportize the two separated sub-pixels, which can reduce the difficulty of the evaporation mask manufacturing process and the evaporation process.
  • the first sub-pixel 101 may be a blue sub-pixel
  • the second sub-pixel 102 is a green sub-pixel
  • the third sub-pixel 103 may be a red sub-pixel.
  • the blue sub-pixels are shared four times
  • the red sub-pixels are shared twice.
  • the blue sub-pixel and the red sub-pixel may be separated according to the number of times of sharing.
  • the first sub-pixel 101 and the third sub-pixel 103 have the same shape and area, and can be formed by vapor deposition using the same vapor deposition mask, thereby saving the manufacturing cost of the mask.
  • the shapes and areas of the first sub-pixel 101 and the third sub-pixel 103 may be different, for example, the shapes are the same, the areas are different, or the shapes are different, the areas are the same, and the shapes and areas are different.
  • the shape of the first sub-pixel 101 and the third sub-pixel 103 is a rectangle or a square
  • the second sub-pixel 102 is divided into two sub-pixels: a first green sub-pixel 1021 and a second green
  • the sub-pixel 1022 has a rectangular shape, and the longitudinal direction of the first green sub-pixel 1021 and the second green sub-pixel 1022 is parallel to the first direction, and the short-side direction is parallel to the second direction.
  • the shapes of the first sub-pixel 101 and the third sub-pixel 103 are square, and the lengths of the long sides of the first green sub-pixels 1021 and the second green sub-pixels 1022 are twice the length of the short sides.
  • the shapes of the first sub-pixel 101, the second sub-pixel 102, and the third sub-pixel 103 are not limited to a rectangle, but may be other quadrilaterals other than a rectangle, or a triangle or a pentagon.
  • One of the polygons such as hexagons, octagons, or any combination thereof, the shape and/or area of each sub-pixel can be adjusted accordingly according to the color matching requirements.
  • Each of the sub-pixels includes a light-emitting area (display area) and a non-light-emitting area (non-display area), and the light-emitting area of each sub-pixel includes a cathode, an anode, and an electroluminescent layer (organic light-emitting layer), and the electroluminescent layer is located Between the cathode and the anode, for generating a predetermined color of light to achieve display. It is generally desirable to utilize a three-layer evaporation process to form electroluminescent layers of corresponding colors (e.g., red, green, or blue) in the light-emitting regions of the corresponding color pixel regions, respectively.
  • corresponding colors e.g., red, green, or blue
  • the red and blue electroluminescent layers can be formed by using the same mask, so that only two masks need to be fabricated, thereby saving The manufacturing cost of the mask.
  • the repeating units 10 adjacent in the second direction are arranged offset in the first direction.
  • the odd-numbered rows of the repeating units 10 are aligned with each other, that is, the odd-numbered rows of the repeating units 10 are arranged in exactly the same manner, even
  • the repeating units 10 of the rows are aligned with each other, that is, the arrangement of the repeating units 10 of the even rows is exactly the same, and the repeating units 10 of the even rows and the repeating cells 10 of the odd rows are arranged in the row direction.
  • the even-numbered repeating unit 10 and the odd-numbered repeating unit 10 are offset by a distance of at least one sub-pixel in the row direction.
  • the distance of at least one green sub-pixel is misaligned.
  • the distance H between the green sub-pixel at the leftmost end of the odd-numbered column and the green sub-pixel at the leftmost end of the even-numbered column includes the length of the green sub-pixel in the first direction, and includes the green sub-pixels in the odd-numbered rows. Partial gap between blue sub-pixels.
  • the repeating unit 10 of the even rows and the repeating cells 10 of the odd rows are arranged in a row in the row direction, so that the pixel arrangement is more uniform, and the display effect of the display device is improved.
  • the pixel units in one repeating unit realize left-eye display
  • the pixel units in another repeating unit realize right-eye display.
  • the pixel structure can be applied to VR and 3D display technologies.
  • the first pixel unit group P10 may be controlled to implement left eye display
  • the second pixel unit group P20 may implement right eye display
  • the first pixel unit P11 may be controlled to be implemented.
  • the left eye display controls the second pixel unit P12 to implement right eye display, so that the pixel structure can be applied to VR and 3D display technologies.
  • the first direction may be a column direction (such as the Y direction in FIG. 1), and the second direction may be a row direction (such as the X direction in FIG. 1).
  • the structure of the pixel structure shown in FIG. 1 needs to be adjusted to obtain the pixel structure described in this embodiment. Since the pixel structure is similar to the above, the present disclosure will not be described again.
  • FIG. 3 is a schematic structural diagram of a pixel structure according to Embodiment 2 of the present disclosure.
  • the present disclosure provides a pixel structure including a plurality of repeating units 10 arranged in a matrix, the repeating units 10 being repeatedly arranged in a first direction and a second direction, each repeating unit 10 including along a first sub-pixel 101, two second sub-pixels 102, and two third sub-pixels 103 arranged in a first direction, the first sub-pixel 101 being located in the middle, the second sub-pixel 102 and the third sub-pixel 103 are respectively located on both sides of the first sub-pixel 101, and one of the three sub-pixels having brightness greater than the remaining two sub-pixels is divided into two sub-pixels in the second direction.
  • the repeating unit 10 includes a third sub-pixel 103, a second sub-pixel 102, and a first sub-pixel 101, which are sequentially arranged along the first direction.
  • the third sub-pixel 103 and the second sub-pixel 102 are sequentially arranged along the first direction.
  • the repeating unit 10 includes a third sub-pixel 103, a second sub-pixel 102, a first sub-pixel 101, a third sub-pixel 103, and a second sub-array arranged in a first direction (X direction).
  • the pixel 102 is shared by the second sub-pixel 102 and the third sub-pixel 103 on both sides to form two pixel unit groups.
  • the first sub-pixel 101 and The second sub-pixel 102 and the third sub-pixel 103 on one side (for example, the left side in FIG. 4) constitute a first pixel unit group P10
  • the first sub-pixel 101 is on the other side (for example, the right side in FIG. 4)
  • the second sub-pixel 102 and the third sub-pixel 103 constitute a second pixel unit group P20.
  • the second sub-pixel 102 is divided into two sub-pixels in the second direction (Y direction).
  • the first sub-pixel 101 and the third sub-pixel 103 are The two sub-pixels separated by the two sub-pixels 102 are shared to form two pixel units.
  • the first sub-pixel 101, the third sub-pixel 103, and the second sub-pixel 102 are separated.
  • the sub-pixels (for example, the upper side in FIG. 4) constitute a first pixel unit P11, and the first sub-pixel 101, the third sub-pixel 103, and another sub-pixel separated by the second sub-pixel 102 ( For example, the lower side in FIG. 4 constitutes the second pixel unit P12.
  • the first sub-pixel 101 and the third sub-pixel 103 are combined with one sub-pixel (for example, the upper side in FIG. 4) separated by the second sub-pixel 102.
  • a third pixel unit P21, the first sub-pixel 101, the third sub-pixel 103, and another sub-pixel (eg, the lower side in FIG. 4) separated in the second sub-pixel 102 constitute a fourth pixel unit P22.
  • the even-numbered repeating unit 10 and the odd-numbered repeating unit 10 are shifted in the row direction by the distance of at least one blue sub-pixel.
  • the distance H between the leftmost one of the odd-numbered columns and the leftmost one of the even-numbered columns includes the length of the blue sub-pixels in the first direction, and includes the odd-numbered blue lines.
  • the repeating unit 10 of the even rows and the repeating cells 10 of the odd rows are arranged in a row in the row direction, so that the pixel arrangement is more uniform, and the display effect of the display device is improved.
  • the first direction may be a column direction (such as the Y direction in FIG. 3), and the second direction may be a row direction (such as the X direction in FIG. 3).
  • the structure of the pixel structure shown in FIG. 3 needs to be adjusted to obtain the pixel structure described in this embodiment. Since the pixel structure is similar to the above, the disclosure will not be repeated.
  • FIG. 5 is a schematic structural diagram of a pixel structure according to Embodiment 3 of the present disclosure. For the sake of simplicity, only a part of the pixel structure is shown in the drawing. The number of pixels in the actual product is not limited thereto, and the number of pixel units may be changed according to the actual display needs.
  • the present disclosure provides a pixel structure including a plurality of repeating units 10 arranged in a matrix, the repeating units 10 being repeatedly arranged in a first direction and a second direction, each repeating unit 10 including along Three sub-pixels having different colors arranged in a first direction, wherein the repeating unit 10 includes one first sub-pixel 101, two second sub-pixels 102, and two third sub-pixels 103, the first sub-pixel The second sub-pixel 102 and the third sub-pixel 103 are respectively located at two sides of the first sub-pixel 101, and the luminance of the three sub-pixels is greater than the one of the remaining two sub-pixels in the second direction. The upper is divided into two sub-pixels.
  • the first sub-pixel 101 is a green sub-pixel
  • the second sub-pixel 102 is a red sub-pixel
  • the third sub-pixel 103 is Is a blue subpixel.
  • the repeating unit 10 includes a second sub-pixel 102, a third sub-pixel 103, a first sub-pixel 101, a second sub-pixel 102, and a third sub-array arranged in a first direction (X direction).
  • a pixel 103 the first sub-pixel 101 is divided into two sub-pixels in the second direction (Y direction), the two sub-pixels separated by the first sub-pixel 101 and the second sub-pixel
  • the sub-pixel 102 and the third sub-pixel 103 constitute two pixel units.
  • the second sub-pixel 102 and the third sub-pixel 103 are separated from one of the sub-pixels 101 (for example, the upper side in FIG. 6) of the first sub-pixel 101 to form a first pixel unit P11.
  • the second sub-pixel 102, the third sub-pixel 103, and another sub-pixel (for example, the lower side in FIG. 6) separated in the first sub-pixel 101 constitute a second pixel unit P12.
  • the first sub-pixel 101 is a green sub-pixel
  • the second sub-pixel 102 is a red sub-pixel
  • the third sub-pixel 103 is a blue sub-pixel
  • each of the pixel units includes a red color.
  • Sub-pixels, green sub-pixels, and blue sub-pixels enable true-color display in the true sense.
  • the green sub-pixel is the brightest
  • the green sub-pixel is divided into two sub-pixels, which does not affect the brightness of the display device, and is the brightest sub-pixel (green sub-pixel) when calculating the PPI.
  • the increase in the number of green sub-pixels increases the PPI, further improving the resolution of the display device, and at the same time, the same opening of the evaporation mask can be used to simultaneously vaport the two separated sub-pixels. It can reduce the difficulty of the evaporation mask manufacturing process and the evaporation process.
  • the first sub-pixel 101 is a green sub-pixel
  • the second sub-pixel 102 may be a blue sub-pixel
  • the third sub-pixel 103 may be a red sub-pixel.
  • the second sub-pixel 102 and the third sub-pixel 103 have the same shape and area, and can be formed by vapor deposition using the same vapor deposition mask, thereby saving the manufacturing cost of the mask.
  • the shapes and areas of the second sub-pixels 102 and the third sub-pixels 103 may be different, for example, the shapes are the same, the areas are different, or the shapes are different, the areas are the same, and the shapes and areas are different.
  • the shape of the second sub-pixel 102 and the third sub-pixel 103 is a rectangle or a square, and the first sub-pixel 101 is divided into two sub-pixels: a first green sub-pixel 1021 and a first sub-pixel 101
  • the shape of the two green sub-pixels 1022 is a rectangle, and the longitudinal direction of the first green sub-pixel 1021 and the second green sub-pixel 1022 is parallel to the first direction, and the short-side direction is parallel to the second direction.
  • the shapes of the first sub-pixel 101 and the third sub-pixel 103 are square, and the lengths of the long sides of the first green sub-pixels 1021 and the second green sub-pixels 1022 are twice the length of the short sides.
  • the shapes of the first sub-pixel 101, the second sub-pixel 102, and the third sub-pixel 103 are not limited to a rectangle, but may be other quadrilaterals other than a rectangle, or a triangle or a pentagon.
  • One of the polygons such as hexagons, octagons, or any combination thereof, the shape and/or area of each sub-pixel can be adjusted accordingly according to the color matching requirements.
  • Each of the sub-pixels includes a light-emitting area (display area) and a non-light-emitting area (non-display area), and the light-emitting area of each sub-pixel includes a cathode, an anode, and an electroluminescent layer (organic light-emitting layer), and the electroluminescent layer is located Between the cathode and the anode, for generating a predetermined color of light to achieve display. It is generally desirable to utilize a three-layer evaporation process to form electroluminescent layers of corresponding colors (e.g., red, green, or blue) in the light-emitting regions of the corresponding color pixel regions, respectively.
  • corresponding colors e.g., red, green, or blue
  • the red and blue electroluminescent layers can be formed by using the same mask, so that only two masks need to be fabricated, thereby saving The manufacturing cost of the mask.
  • the repeating units 10 adjacent in the second direction are arranged in a misalignment in the first direction.
  • the repeating units 10 of the odd rows are aligned with each other, that is, the arrangement of the repeating units 10 of the odd rows is exactly the same, and the repeating of the even rows
  • the cells 10 are aligned with each other, that is, the arrangement of the repeating cells 10 of the even rows is exactly the same, and the repeating cells 10 of the even rows and the repeating cells 10 of the odd rows are arranged in the row direction.
  • the repeating unit 10 of the even rows and the repeating unit 10 of the odd rows are offset by a distance of at least one sub-pixel in the row direction.
  • the distance of at least one red sub-pixel is misaligned.
  • the distance H between a red sub-pixel at the leftmost end of the odd-numbered column and a red sub-pixel at the leftmost end of the even-numbered column includes the length of the red sub-pixel in the first direction, and includes the red sub-pixel in the odd-numbered row and Partial gap between green subpixels.
  • the pixel units in one repeating unit realize left-eye display
  • the pixel units in another repeating unit realize right-eye display.
  • the pixel structure can be applied to VR and 3D display technologies.
  • the first pixel unit P11 may be controlled to implement left eye display
  • the second pixel unit P12 may implement right eye display.
  • the first direction may be a column direction (such as the Y direction in FIG. 5), and the second direction may be a row direction (such as the X direction in FIG. 5).
  • the structure of the pixel structure shown in FIG. 1 needs to be adjusted to obtain the pixel structure described in this embodiment. Since the pixel structure is similar to the above, the present disclosure will not be described again.
  • FIG. 7 is a schematic structural diagram of a pixel structure according to Embodiment 4 of the present disclosure.
  • the present disclosure provides a pixel structure including a plurality of repeating units 10 arranged in a matrix, the repeating units 10 being repeatedly arranged in a first direction and a second direction, each repeating unit 10 including along Three sub-pixels having different colors arranged in a first direction, wherein the repeating unit 10 includes one first sub-pixel 101, two second sub-pixels 102, and two third sub-pixels 103, the first sub-pixel The second sub-pixel 102 and the third sub-pixel 103 are respectively located at two sides of the first sub-pixel 101, and the luminance of the three sub-pixels is greater than the one of the remaining two sub-pixels in the second direction.
  • the upper is divided into two sub-pixels.
  • the repeating unit 10 includes a third sub-pixel 103, a second sub-pixel 102, a first sub-pixel 101, a third sub-pixel 103, and a second sub-array arranged in a first direction (X direction).
  • the pixel 102, the two sub-pixels separated by the first sub-pixel 101 and the second sub-pixel 102 and the third sub-pixel 103 on both sides respectively form two pixel units, as shown in FIG.
  • the second sub-pixel 102 and the third sub-pixel 103 and one sub-pixel (for example, the upper side in FIG. 8 ) separated by the first sub-pixel 101 constitute a first pixel unit P11.
  • the second sub-pixel 102, the third sub-pixel 103, and another sub-pixel (for example, the lower side in FIG. 8) separated in the first sub-pixel 101 constitute a second pixel unit P12.
  • the even-numbered repeating unit 10 and the odd-numbered repeating unit 10 are shifted in the row direction by the distance of at least one blue sub-pixel.
  • the distance H between the leftmost one of the odd column and the leftmost one of the even columns includes the length of the blue subpixel in the first direction, and includes the odd blue.
  • the first direction may be a column direction (such as the Y direction in FIG. 7), and the second direction may be a row direction (such as the X direction in FIG. 7).
  • the structure of the pixel structure shown in FIG. 3 needs to be adjusted to obtain the pixel structure described in this embodiment. Since the pixel structure is similar to the above, the disclosure will not be repeated.
  • the two sub-pixels on both sides of the first sub-pixel are arranged in the same manner, and each repeating unit in each row is completely identical.
  • each repeating unit in each repeating unit, the arrangement of two sub-pixels on both sides of the first sub-pixel may be different, and the arrangement of adjacent repeating units in the same row
  • the method can also be different.
  • each of the repeating units 10 can be arranged as: a second sub-pixel 102, a third sub-pixel 103, a first sub-pixel 101, and a third The sub-pixel 103 and the second sub-pixel 102, that is, arranged in the order of the green sub-pixel, the blue sub-pixel, the red sub-pixel, the blue sub-pixel, and the green sub-pixel, as shown in FIG.
  • the order of the sub-pixels is arranged as shown in Figure 9b.
  • Such an arrangement causes the same sub-pixels in the adjacent two repeating units 10 to be adjacent, and the same opening of the vapor deposition mask can be used to simultaneously vaport the two sub-pixels.
  • the arrangement of the pixels in the two repeating units adjacent to each other can also be changed to avoid the adjacent sub-pixels being adjacent. As shown in FIG.
  • the arrangement of the two adjacent repeating units 10 is: first The repeating unit 10 is arranged as a second sub-pixel 102, a third sub-pixel 103, a first sub-pixel 101, a third sub-pixel 103 and a second sub-pixel 102, and the second repeating unit is arranged as a third sub-pixel 103, The second sub-pixel 102, the first sub-pixel 101, the second sub-pixel 102, and the third sub-pixel 103.
  • the arrangement of the first repeating unit and the second repeating unit is opposite to the above, and the first repeating unit 10 is arranged as the third sub-pixel 103, the second sub-pixel 102, and the first sub-pixel. 101.
  • the second sub-pixel 102 and the third sub-pixel 103 are arranged as a second sub-pixel 102, a third sub-pixel 103, a first sub-pixel 101, a third sub-pixel 103, and a second sub-pixel 102. .
  • FIGS. 9a to 9d only a schematic structural view of two adjacent repeating units is shown, and the pixel structure includes a plurality of repeating units arranged in an array.
  • the arrangement of each of the repeating units 10 may be: the second sub-pixel 102, the third sub-pixel 103, the first sub-pixel 101,
  • the third sub-pixel 103 and the second sub-pixel 102 are arranged in the order of red sub-pixel, blue sub-pixel, green sub-pixel, blue sub-pixel and red sub-pixel, as shown in FIG. 10a.
  • each of the repeating units 10 may be arranged in a manner of: a third sub-pixel 103, a second sub-pixel 102, a first sub-pixel 101, a second sub-pixel 102, and a third sub-pixel 103, that is, according to a blue sub-pixel
  • the red sub-pixel, the green sub-pixel, the red sub-pixel and the blue sub-pixel are arranged in order, as shown in FIG. 10b.
  • Such an arrangement causes the same sub-pixels in the adjacent two repeating units 10 to be adjacent, and the same opening of the vapor deposition mask can be used to simultaneously vaport the two sub-pixels.
  • the arrangement of the pixels in the two repeating units adjacent to each other can also be changed to avoid the adjacent sub-pixels being adjacent.
  • the arrangement of the two adjacent repeating units 10 is: first The repeating unit 10 is arranged as a second sub-pixel 102, a third sub-pixel 103, a first sub-pixel 101, a third sub-pixel 103 and a second sub-pixel 102, and the second repeating unit 10 is arranged as a third sub-pixel. 103.
  • the second sub-pixel 102, the first sub-pixel 101, the second sub-pixel 102, and the third sub-pixel 103, that is, the sub-pixels in two adjacent repeating units are in accordance with a red sub-pixel, a blue sub-pixel, and a green sub-pixel.
  • the blue sub-pixel and the red sub-pixel, and the blue sub-pixel, the red sub-pixel, the green sub-pixel, the red sub-pixel, and the blue sub-pixel are arranged in order.
  • the order of the two adjacent repeating units can be reversed.
  • the first repeating unit 10 is arranged as the third sub-pixel 103 and the second sub-pixel 102.
  • the second repeating unit 10 is arranged as a second sub-pixel 102, a third sub-pixel 103, a first sub-pixel 101, and a third sub-pixel.
  • 103 and the second sub-pixel 102 that is, according to the blue sub-pixel, the red sub-pixel, the green sub-pixel, the red sub-pixel and the blue sub-pixel, and the red sub-pixel, the blue sub-pixel, the green sub-pixel, and the blue sub-pixel Arranged in order with red sub-pixels.
  • FIG. 11 is a schematic structural diagram of a pixel structure according to Embodiment 6 of the present disclosure.
  • the present disclosure provides a pixel structure including a plurality of repeating units 10 arranged in a matrix form, each repeating unit 10 including a first pixel unit 110 and a second pixel disposed adjacently in a first direction The unit 120; wherein the first pixel unit 110 includes a third sub-pixel 103, a second sub-pixel 102, and a first sub-pixel 101, which are sequentially arranged along the first direction, and the second sub-pixel unit 120 includes an edge The first sub-pixel 101, the third sub-pixel 103, and the second sub-pixel 102 are sequentially arranged in the first direction, and the first sub-pixel 101 is shared by the first pixel unit 110 and the second pixel unit 120.
  • the first sub-pixel 101 is a red sub-pixel (R)
  • the second sub-pixel 102 is a green sub-pixel (G)
  • the third sub-pixel 103 is a blue sub-pixel (B); and, in the second direction
  • the upper adjacent repeating units 10 are arranged offset in the first direction.
  • the difference between this embodiment and the first embodiment is that, in this embodiment, the area of the second sub-pixel 102 is smaller than the area of the first sub-pixel 101 or the third sub-pixel 103, because the green The sub-pixel is the brightest, and the area of the green sub-pixel can be appropriately reduced, and the red sub-pixel is shared, so the area of the red sub-pixel is increased, and the life of the blue sub-pixel is the shortest, so it is also necessary to increase the blue sub-pixel. area.
  • the first sub-pixel 101 and the third sub-pixel 103 have the same shape and area, and can be formed by vapor deposition using the same vapor deposition mask, thereby saving the manufacturing cost of the mask.
  • the shapes and areas of the first sub-pixel 101 and the third sub-pixel 103 may be different, for example, the shapes are the same, the areas are different, or the shapes are different, the areas are the same, and the shapes and areas are different.
  • the shapes of the first sub-pixel 101 and the third sub-pixel 103 are rectangular or square, the shape of the second sub-pixel 102 is rectangular, and the second sub-pixels 102 are arranged along the longitudinal direction thereof.
  • the shapes of the first sub-pixel 101 and the third sub-pixel 103 are square, and the length of the long side of the second sub-pixel 102 is twice the length of the short side.
  • the second sub-pixels 102 can also be arranged along the short side direction thereof.
  • the shapes of the first sub-pixel 101, the second sub-pixel 102, and the third sub-pixel 103 are not limited to a rectangle, but may be other quadrilaterals other than a rectangle, or a triangle or a pentagon.
  • One of the polygons such as hexagons, octagons, or any combination thereof, the shape and/or area of each sub-pixel can be adjusted accordingly according to the color matching requirements.
  • Each of the sub-pixels includes a light-emitting area (display area) and a non-light-emitting area (non-display area), and the light-emitting area of each sub-pixel includes a cathode, an anode, and an electroluminescent layer (organic light-emitting layer), and the electroluminescent layer is located Between the cathode and the anode, for generating a predetermined color of light to achieve display. It is generally desirable to utilize a three-layer evaporation process to form electroluminescent layers of corresponding colors (e.g., red, green, or blue) in the light-emitting regions of the corresponding color pixel regions, respectively.
  • corresponding colors e.g., red, green, or blue
  • the red and blue electroluminescent layers can be formed by using the same mask, so that only two masks need to be fabricated, thereby saving The manufacturing cost of the mask.
  • the repeating units 10 adjacent in the second direction are arranged in a misalignment in the first direction.
  • the repeating units 10 of the odd rows are aligned with each other, that is, the arrangement of the repeating units 10 of the odd rows is exactly the same, and the repeating of the even rows
  • the cells 10 are aligned with each other, that is, the arrangement of the repeating cells 10 of the even rows is exactly the same, and the repeating cells of the even rows and the repeating cells of the odd rows are arranged in a row in the row direction.
  • the distance that the even-numbered repeating unit 10 and the odd-numbered repeating unit 10 are displaced in the row direction includes the length of one sub-pixel in the first direction and the sum of the spacing between the sub-pixel and the adjacent sub-pixel.
  • the offset distance includes a length of a blue sub-pixel in a first direction and a sum of a spacing between the blue sub-pixel and the green sub-pixel.
  • the distance H between the leftmost one of the blue columns of the odd column and the leftmost one of the even columns includes the length of the blue subpixel in the first direction. Since the area of the green sub-pixel is smaller than the area of the blue sub-pixel, the distance H further includes a partial gap between the blue sub-pixel and the green sub-pixel in the odd-numbered row.
  • the pixel units in one pixel unit group implement left-eye display, and the pixel units in another pixel unit group are implemented.
  • the right eye shows that the pixel structure can be applied to VR (Virtual Reality) and 3D (three-dimensional) display technologies.
  • the pixel structure shown in FIG. 11b can be obtained.
  • the second sub-pixel 102 and the third sub-range are arranged in the first direction in each repeating unit 10
  • the pixel structure shown in FIG. 11c can be obtained by the pixel 103, the first sub-pixel 101, the second sub-pixel 102, and the third sub-pixel 103.
  • the pixel structure shown in FIG. 11d can also be obtained by exchanging the first and second directions in FIG. 11c.
  • the second pixel unit 120 is arranged in the same manner, that is, each repeating unit 10 is arranged in the first direction.
  • the third sub-pixel 103, the second sub-pixel 102, the first sub-pixel 101, the second sub-pixel 102, and the third sub-pixel 103 can obtain the pixel structure shown in FIG. 11e.
  • the second pixel unit 120 is arranged in the same manner, that is, each repeating unit 10 is arranged in the first direction.
  • the second sub-pixel 102, the third sub-pixel 103, the first sub-pixel 101, the third sub-pixel 103, and the second sub-pixel 102 can obtain the pixel structure shown in FIG. 11f.
  • the adjacent sub-pixels are sub-pixels of the same color, for example, two adjacent repeating units, the first one adopts the repeating unit as shown in FIG. 11e, and the second one adopts as shown in FIG. 11f.
  • the illustrated repeating unit, the final structure diagram is shown in Figure 11g, and then the structure is arranged in an array to form a pixel structure, or alternatively, the pixel unit group shown in Fig. 11f is used first, and the second one is as follows.
  • the final structure of the pixel unit group shown in FIG. 11e is as shown in FIG. 11h.
  • the structure is arranged in an array to form a pixel structure.
  • the embodiment provides a display device, which can adopt the pixel structure described in any one of Embodiments 1 to 6.
  • the pixel structure includes a plurality of repeating units arranged in an array, each repeating unit includes a plurality of sub-pixels having three colors, wherein one sub-pixel of one color has one The sub-pixels of the other two colors each have two, respectively located on both sides of the sub-pixel of the one color, and the sub-pixels located in the middle respectively form two pixel units with two sub-pixels on both sides, and the sub-pixel is realized.
  • the sharing is beneficial to improve the resolution of the display device; and, among the sub-pixels of the three colors, the sub-pixel with the highest brightness is divided into two sub-pixels, so that the number of sub-pixels with the highest brightness is increased, thereby increasing the PPI ( Pixels Per Inch, pixel density), further improve the resolution of the display device, and at the same time, the same opening of the evaporation mask can be used to evaporate two separated sub-pixels, which can reduce the evaporation mask manufacturing process and steaming
  • the difficulty of the plating process when the first sub-pixel is a red sub-pixel or a blue sub-pixel, the sharing of the long-life sub-pixels is realized, thereby different
  • the sub-pixels of the material lifetime are balanced to improve the service life of the display device; the adjacent repeating units in the second direction are arranged in a displaced manner in the first direction, thereby making the pixel arrangement more uniform and improving the display effect of the display device.
  • the pixel units in one pixel unit group are used to implement left eye display by time division control, and the pixel units in another pixel unit group are used to implement
  • the right eye display further enables the display device including the pixel structure to be used for implementing VR (Virtual Reality) and 3D (three-dimensional) display.

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Abstract

一种像素结构及显示装置，像素结构包括阵列排布的多个重复单元（10），每个重复单元包括一个第一颜色的子像素（101），两个第二颜色的子像素（102），以及两个第三颜色的子像素（103），其中，第一颜色、第二颜色和第三颜色互不相同，第一颜色的子像素的两侧都具有一个第二颜色的子像素和一个第三颜色的子像素，以组成两个像素单元，实现了子像素的共用，有利于提高显示装置的分辨率。可选的，三种颜色的子像素中，亮度最大的一个子像素被分隔为两个从属子像素，使得亮度最大的子像素的数量增大，从而增加PPI，提高显示装置的分辨率。此外，可以采用蒸镀掩模板的同一个开口来同时蒸镀两个被隔开的子像素，可降低蒸镀掩模板制作工艺和蒸镀工艺的难度。

Description

像素结构及显示装置 技术领域
本公开涉及平面显示技术领域，具体涉及一种像素结构及显示装置。
背景技术
有机电致发光(Organic Light-Emitting Diode，OLED)显示器件是当今平板显示器研究领域的热点之一，与液晶显示器(Liquid Crystal Display，LCD)相比，OLED显示器件具有广视角、高亮度、高对比度、低能耗、体积更轻薄等优点。目前，在手机、个人数字助理(PDA)、数码相机等平板显示领域，OLED显示器件已经开始取代传统的液晶显示器。
OLED显示器件的结构主要包括：衬底基板，制作在衬底基板上呈矩阵排列的像素。其中，各像素一般都是通过有机材料利用蒸镀成膜技术，透过高精细金属掩模板(Fine metal mask，FMM)在阵列基板上的相应的像素位置形成有机电致发光结构。由于红、绿、蓝三基色发光子像素的有机发光材料不同，在制作过程中，需要通过FMM在相应的位置上分别对红、绿、蓝三基色发光子像素蒸镀三种不同的有机材料，然后调节三种颜色组合的混色比，产生真彩色。这样，红、绿、蓝三个子像素独立发光构成一个像素单元。
然而，目前OLED显示器件内蓝色子像素为荧光材料，红色子像素和绿子像素色为磷光材料，由于材料的限制其发光寿命是红色子像素高于绿色子像素，红色子像素与绿色子像素均远高于蓝色子像素，三种子像素的材料使用寿命并不均衡。
目前存在的像素排布也不利于当前材料寿命的均衡，并且，随着显示面板向高分辨率的发展，如何进行像素排布既可以提高分辨率又可以均衡材料寿命是本领域技术人员需要解决的技术问题。
发明内容
本公开提供一种像素结构及显示装置，其目的在于提高显示装置的分辨率。
本公开的另一目的在于对具有不同材料寿命的子像素进行均衡。
为实现上述目的，本公开提供一种像素结构，包括阵列排布的多个重复单元，每个重复单元包括一个第一颜色的子像素，两个第二颜色的子像素，以及两个第三颜色的子像素，其中，所述第一颜色、第二颜色和第三颜色互不相同，所述第一颜色的子像素的两侧都具有一个所述第二颜色的子像素和一个所述第三颜色的子像素。
可选的，所述第一、第二和第三颜色的子像素中，亮度最大的一个子像素被分隔为两个从属子像素。
可选的，所述第一、第二和第三颜色的子像素中，亮度最大的一个子像素具有比其余子像素更小的面积。
可选的，所述亮度最大的子像素为第二颜色的子像素，所述第二颜色的子像素的面积是所述第一颜色的子像素及第三颜色的子像素的面积的一半。
可选的，所述亮度最大的子像素为第二颜色的子像素，所述第二颜色的子像素被分隔为两个从属子像素，所述第一颜色的子像素分别被两侧的第二颜色的子像素、第三颜色的子像素所共用，组成两个像素单元组；在每一所述像素单元组中，所述第一颜色的子像素、第三颜色的子像素分别与第二颜色的子像素中分隔出的两个从属子像素中的每一个，组成一个像素单元。
可选的，所述第一颜色与第三颜色选自红色和蓝色，所述第二颜色为绿色。
可选的，所述第一颜色的子像素被分隔为两个从属子像素，所述第一颜色的子像素分隔出的两个从属子像素与两侧的所述第二颜色的子像素、第三颜色的子像素组成两个像素单元。
可选的，所述第一颜色为绿色，所述第二颜色与第三颜色选自红色和蓝色。
可选的，所述分隔的两个从属子像素同时采用蒸镀掩模板的一个开口蒸镀形成。
可选的，所述重复单元中的多个子像素沿第一方向排列，且在第二方向上相邻的重复单元在第一方向上错位排布。
可选的，所述第一方向为行方向，所述第二方向为列方向，奇数行的重复单元相互对齐，偶数行的重复单元相互对齐，且偶数行的重复单元与奇数行的重复单元在行方向上错位排布；或者
所述第一方向为列方向，所述第二方向为行方向，奇数列的重复单元相互对齐，偶数列的重复单元相互对齐，且偶数列的重复单元与奇数列的重复单元在列方向上错位排布。
可选的，在所述第二方向上相邻的两个重复单元中，一个重复单元中的像素单元用于实现左眼显示，另一个重复单元中的像素单元用于实现右眼显示。
可选的，所述第一方向和所述第二方向垂直。
可选的，所述第一颜色的子像素的形状为矩形或三角形或五边形或六边形或八边形，所述第二颜色的子像素的形状为矩形或三角形或五边形或六边形或八边形，所述第三颜色的子像素的形状为矩形或三角形或五边形或六边形或八边形。
可选的，在所述第二方向上相邻的两个重复单元中，一个重复单元中的像素单元用于实现左眼显示，另一个重复单元中的像素单元用于实现右眼显示。
可选的，相邻的两个所述重复单元的相邻子像素的颜色不同。
相应的，本公开还提供一种显示装置，包括如上所述的像素结构。
与现有技术相比，本公开提供的像素结构及显示装置具有以下有益效果：
1、像素结构包括阵列排布的多个重复单元，每个重复单元包括具有三种颜色的多个子像素，其中一种颜色的子像素具有一个，其余两种颜色的子像素各具有两个，分别位于所述一种颜色的子像素的两侧，位于中间的子像素分别与两侧的两个子像素组成两个像素单元，实现了子像素的共用，有利于提高显示装置的分辨率；并且，三种颜色的子像素中，亮度最大的子像素分隔为两个从属子像素，使得亮度最大的子像素的数量增大，从而增加PPI(Pixels Per Inch，像素密度)，进一步提高显示装置的分辨率，同时，可以采用蒸镀掩模板的同一个开口来蒸镀两个被隔开的子像素，可降低蒸镀掩模板制作工艺和蒸镀工艺的难度；
2、所述第一子像素为红色子像素或蓝色子像素时，实现对寿命较长的子 像素的共用，从而对不同材料寿命的子像素进行平衡，提高了显示装置的使用寿命；
3、在第二方向上相邻的重复单元在第一方向上错位排布，从而使得像素排布更加均匀，提高了显示装置的显示效果；
4、在所述第二方向上相邻的两个像素单元组中，通过分时控制使得一个像素单元组中的像素单元用于实现左眼显示，另一个像素单元组中的像素单元用于实现右眼显示，进而使得包含所述像素结构的显示装置也能够用于实现VR(Virtual Reality)和3D(three-dimensional)显示。
附图说明
图1为本公开实施例一所提供的像素结构的结构示意图；
图2为本公开实施例一中重复单元的划分示意图；
图3为本公开实施例二所提供的像素结构的结构示意图；
图4为本公开实施例二中重复单元的划分示意图；
图5为本公开实施例三所提供的像素结构的结构示意图；
图6为本公开实施例三中重复单元的划分示意图；
图7为本公开实施例四所提供的像素结构的结构示意图；
图8为本公开实施例四中重复单元的划分示意图；
图9a～9d为本公开实施例五所提供的相邻的两个重复单元的结构示意图；
图10a～10d为本公开实施例五所提供的相邻的两个重复单元的结构示意图；
图11a～11h为本公开实施例六所提供的像素结构的结构示意图。
具体实施方式
为使本公开的内容更加清楚易懂，以下结合说明书附图，对本公开的内容做进一步说明。
实施例一
图1为本公开实施例一所提供的像素结构的结构示意图。
如图1所示，本公开提供一种像素结构，包括以矩阵形式排布的多个重复 单元10，所述重复单元10沿第一方向与第二方向重复排列，每个重复单元10包括沿第一方向排列的一个第一子像素101、两个第二子像素102与两个第三子像素103，所述第一子像素101位于中间，所述第二子像素102与第三子像素103分别位于所述第一子像素101的两侧，并且，三个子像素中亮度大于其余两个子像素的一个子像素在第二方向上分隔为两个从属子像素。
优选的，所述第一方向与所述第二方向垂直。本实施例中，如图1所示，第一方向为行方向(X方向)，第二方向为列方向(Y方向)。
在本实施例中，所述重复单元10包括沿第一方向(X方向)依次排列的第二子像素102、第三子像素103、第一子像素101、第二子像素102与第三子像素103，所述第一子像素101分别被两侧的第二子像素102、第三子像素103所共用，组成两个像素单元组，如图2所示，所述第一子像素101与一侧(例如图2中的左侧)的第二子像素102、第三子像素103组成第一像素单元组P10，所述第一子像素101与另一侧(例如图2中的右侧)的第二子像素102、第三子像素103组成第二像素单元组P20。
而所述第二子像素102在所述第二方向(Y方向)上分隔为两个从属子像素，在第一像素单元P10中，所述第一子像素101、第三子像素103被第二子像素102中分隔出的两个从属子像素共用，组成两个像素单元，具体的，所述第一子像素101、第三子像素103与所述第二子像素102中分隔出的一个从属子像素(例如图2中的上侧)组成第一像素单元P11，所述第一子像素101、第三子像素103与所述第二子像素102中分隔出的另一个从属子像素(例如图2中的下侧)组成第二像素单元P12。相应的，在第二像素单元P20中，所述第一子像素101、第三子像素103与所述第二子像素102中分隔出的一个从属子像素(例如图2中的上侧)组成第三像素单元P21，所述第一子像素101、第三子像素103与所述第二子像素102中分隔出的另一个从属子像素(例如图2中的下侧)组成第四像素单元P22。
在本实施例中，每个重复单元10内形成有四个像素单元，并且，所述第一子像素101被共用四次，所述第三子像素103被共用两次。子像素的共用，使得相同的面积内可以形成更多的像素单元，有利于提高显示装置的分辨率。可选的，所述第一子像素101可以被分隔为两个或四个子像素，分隔的两个子像 素中每个子像素共用两次，或者分隔的四个子像素中每个子像素与其余子像素组成一个像素单元，或者所述第三子像素103可以被分隔为两个子像素，每个子像素与其余子像素组成一个像素单元，当然所述第一子像素101与所述第三子像素103也可以同时被分隔，这样，可以采用蒸镀掩模板的同一个开口来蒸镀两个或四个被隔开的子像素，可降低蒸镀掩模板制作工艺和蒸镀工艺的难度。
本实施例中，所述第一子像素101为红色子像素，所述第二子像素102为绿色子像素，所述第三子像素103为蓝色子像素，每个像素单元中均包含红色子像素、绿色子像素与蓝色子像素，可以实现真正意义上的全色显示。并且，由于红色子像素的使用寿命最高，将所述红色子像素共用四次，可以最大限度的使用红色子像素，而绿色子像素最亮，将绿色子像素分隔为两个子像素，并不会对显示装置的亮度造成影响，并且，在计算PPI时，是以最亮的子像素(绿色子像素)来计算的，绿色子像素的数量的增大，增加了PPI，进一步提高显示装置的分辨率，同时，可以采用蒸镀掩模板的同一个开口来同时蒸镀两个被隔开的子像素，可降低蒸镀掩模板制作工艺和蒸镀工艺的难度。
在其他实施例中，所述第一子像素101可以为蓝色子像素，所述第二子像素102为绿色子像素，所述第三子像素103可以为红色子像素。这样，蓝色子像素被共用四次，红色子像素被共用两次。可以根据共用的次数将所述蓝色子像素和红色子像素分隔。
在本实施例中，优选的，所述第一子像素101与第三子像素103的形状及面积均相同，可以采用同一个蒸镀掩模板蒸镀形成，从而节省掩模板的制作成本。当然，所述第一子像素101与第三子像素103的形状及面积也可以不相同，例如形状相同，面积不同，或者形状不同，面积相同，再或者形状及面积均不相同。
更优选的，所述第一子像素101与第三子像素103的形状为长方形或正方形，所述第二子像素102被分隔成的两个子像素：第一绿色从属子像素1021与第二绿色从属子像素1022的形状为长方形，且所述第一绿色从属子像素1021与第二绿色从属子像素1022的长边方向平行于第一方向，短边方向平行于第二方向。例如，所述第一子像素101与第三子像素103的形状为正方形，所述第一绿色从属子像素1021与第二绿色从属子像素1022的长边长度是短边长度的2 倍。但应理解的是，所述第一子像素101、第二子像素102与第三子像素103的形状并不局限于矩形，还可以是矩形之外的其他四边形，或者是三角形、五边形、六边形、八边形等多边形中的一种或其任意组合，可以根据配色要求来相应调整各个子像素的形状和/或面积。
每个子像素均包括发光区(显示区)和非发光区(非显示区)，每个子像素的发光区中包括阴极、阳极和电致发光层(有机发光层)，所述电致发光层位于阴极和阳极之间，用于产生预定颜色光线以实现显示。通常需要利用三层蒸镀工艺以分别在对应颜色像素区域的发光区中形成对应颜色(如红色、绿色或蓝色)的电致发光层。当所述第一子像素101与第三子像素103的形状及面积均相同时，可以采用同一个掩模板形成红色和蓝色的电致发光层，从而只需要制作两个掩模板，节省了掩模板的制作成本。
优选的，在第二方向上相邻的重复单元10在第一方向上错位排布，具体的，奇数行的重复单元10相互对齐，即奇数行的重复单元10的排布方式完全相同，偶数行的重复单元10相互对齐，即偶数行的重复单元10的排布方式完全相同，且偶数行的重复单元10与奇数行的重复单元10在行方向上错位排布。
优选的，偶数行的重复单元10与奇数行的重复单元10在行方向上错位至少一个子像素的距离，本实施例中，错位至少一个绿色子像素的距离。如图1所示，奇数列最左端的一个绿色子像素与偶数列最左端的一个绿色子像素之间的距离H包括绿色子像素在第一方向上的长度，还包括奇数行内绿色子像素与蓝色子像素之间的部分间隙。偶数行的重复单元10与奇数行的重复单元10在行方向上错位排布，使得像素排布更加均匀，提高了显示装置的显示效果。
需要说明的是，还可以通过时序控制在所述第二方向上相邻的两个重复单元，使得一个重复单元中的像素单元实现左眼显示，另一个重复单元中的像素单元实现右眼显示，由此可以使得该像素结构能够应用于VR和3D显示技术中。或者，也可以在一个重复单元中，控制第一像素单元组P10实现左眼显示，第二像素单元组P20实现右眼显示，或者在第一像素单元组P10中，控制第一像素单元P11实现左眼显示，控制第二像素单元P12实现右眼显示，使得该像素结构能够应用于VR和3D显示技术中。
可以理解的是，在本公开的另一实施例中，第一方向可以是列方向(如图1 中的Y方向)，第二方向可以是行方向(如图1中的X方向)，如此，需要将图1所述的像素结构的结构示意图进行调整，得到该实施例所述的像素结构，由于与上述的像素结构类似，本公开对此不再赘述。
实施例二
图3为本公开实施例二所提供的像素结构的结构示意图。如图3所示，本公开提供一种像素结构，包括以矩阵形式排布的多个重复单元10，所述重复单元10沿第一方向与第二方向重复排列，每个重复单元10包括沿第一方向排列的一个第一子像素101、两个第二子像素102与两个第三子像素103，所述第一子像素101位于中间，所述第二子像素102与第三子像素103分别位于所述第一子像素101的两侧，并且，三个子像素中亮度大于其余两个子像素的一个子像素在第二方向上分隔为两个从属子像素。
本实施例与实施例一的区别之处在于，在本实施例中，所述重复单元10包括沿第一方向依次排列的第三子像素103、第二子像素102、第一子像素101、第三子像素103与第二子像素102。
在本实施例中，所述重复单元10包括沿第一方向(X方向)依次排列的第三子像素103、第二子像素102、第一子像素101、第三子像素103与第二子像素102，所述第一子像素101分别被两侧的第二子像素102、第三子像素103所共用，组成两个像素单元组，如图4所示，所述第一子像素101与一侧(例如图4中的左侧)的第二子像素102、第三子像素103组成第一像素单元组P10，所述第一子像素101与另一侧(例如图4中的右侧)的第二子像素102、第三子像素103组成第二像素单元组P20。
而所述第二子像素102在所述第二方向(Y方向)上分隔为两个从属子像素，在第一像素单元P10中，所述第一子像素101、第三子像素103被第二子像素102中分隔出的两个从属子像素共用，组成两个像素单元，具体的，所述第一子像素101、第三子像素103与所述第二子像素102中分隔出的一个从属子像素(例如图4中的上侧)组成第一像素单元P11，所述第一子像素101、第三子像素103与所述第二子像素102中分隔出的另一个从属子像素(例如图4中的下侧)组成第二像素单元P12。相应的，在第二像素单元P20中，所述第一子像 素101、第三子像素103与所述第二子像素102中分隔出的一个从属子像素(例如图4中的上侧)组成第三像素单元P21，所述第一子像素101、第三子像素103与所述第二子像素102中分隔出的另一个从属子像素(例如图4中的下侧)组成第四像素单元P22。
在本实施例中，偶数行的重复单元10与奇数行的重复单元10在行方向上错位至少一个蓝色子像素的距离。如图3所示，奇数列最左端的一个蓝色子像素与偶数列最左端的一个蓝色子像素之间的距离H包括蓝色子像素在第一方向上的长度，还包括奇数行内蓝色子像素与绿色子像素之间的部分间隙。偶数行的重复单元10与奇数行的重复单元10在行方向上错位排布，使得像素排布更加均匀，提高了显示装置的显示效果。
可以理解的是，在本公开的另一实施例中，第一方向可以是列方向(如图3中的Y方向)，第二方向可以是行方向(如图3中的X方向)，如此，需要将图3所述的像素结构的结构示意图进行调整，得到该实施例所述的像素结构，由于与上述的像素结构类似，本公开对此不再赘述。
实施例三
图5为本公开实施例三所提供的像素结构的结构示意图。为简便，附图中只表示出了像素结构的一部分，实际产品中的像素数量不限于此，像素单元的数量可依据实际显示需要作相应的变化。
如图5所示，本公开提供一种像素结构，包括以矩阵形式排布的多个重复单元10，所述重复单元10沿第一方向与第二方向重复排列，每个重复单元10包括沿第一方向排列的具有不同颜色的三个子像素，其中，所述重复单元10包括一个第一子像素101、两个第二子像素102与两个第三子像素103，所述第一子像素101位于中间，所述第二子像素102与第三子像素103分别位于所述第一子像素101的两侧，并且，三个子像素中亮度大于其余两个子像素的一个子像素在第二方向上分隔为两个从属子像素。
本实施例与实施例一的区别之处在于，在本实施例中，所述第一子像素101为绿色子像素，所述第二子像素102为红色子像素，所述第三子像素103为蓝色子像素。
在本实施例中，所述重复单元10包括沿第一方向(X方向)依次排列的第二子像素102、第三子像素103、第一子像素101、第二子像素102与第三子像素103，所述第一子像素101在所述第二方向(Y方向)上分隔为两个从属子像素，所述第一子像素101被分隔出的两个从属子像素与所述第二子像素102、第三子像素103组成两个像素单元。具体的，所述第二子像素102、第三子像素103与所述第一子像素101中分隔出的一个从属子像素(例如图6中的上侧)组成第一像素单元P11，所述第二子像素102、第三子像素103与所述第一子像素101中分隔出的另一个从属子像素(例如图6中的下侧)组成第二像素单元P12。
本实施例中，所述第一子像素101为绿色子像素，所述第二子像素102为红色子像素，所述第三子像素103为蓝色子像素，每个像素单元中均包含红色子像素、绿色子像素与蓝色子像素，可以实现真正意义上的全色显示。并且，绿色子像素最亮，将绿色子像素分隔为两个从属子像素，并不会对显示装置的亮度造成影响，并且，在计算PPI时，是以最亮的子像素(绿色子像素)来计算的，绿色子像素的数量的增大，增加了PPI，进一步提高显示装置的分辨率，同时，可以采用蒸镀掩模板的同一个开口来同时蒸镀两个被隔开的子像素，可降低蒸镀掩模板制作工艺和蒸镀工艺的难度。
在其他实施例中，所述第一子像素101为绿色子像素，所述第二子像素102可以为蓝色子像素，所述第三子像素103可以为红色子像素。
在本实施例中，优选的，所述第二子像素102与第三子像素103的形状及面积均相同，可以采用同一个蒸镀掩模板蒸镀形成，从而节省掩模板的制作成本。当然，所述第二子像素102与第三子像素103的形状及面积也可以不相同，例如形状相同，面积不同，或者形状不同，面积相同，再或者形状及面积均不相同。
更优选的，所述第二子像素102与第三子像素103的形状为长方形或正方形，所述第一子像素101被分隔成的两个从属子像素：第一绿色从属子像素1021与第二绿色从属子像素1022的形状为长方形，且所述第一绿色从属子像素1021与第二绿色从属子像素1022的长边方向平行于第一方向，短边方向平行于第二方向。例如，所述第一子像素101与第三子像素103的形状为正方形，所述第一绿色从属子像素1021与第二绿色从属子像素1022的长边长度是短边长度的2 倍。但应理解的是，所述第一子像素101、第二子像素102与第三子像素103的形状并不局限于矩形，还可以是矩形之外的其他四边形，或者是三角形、五边形、六边形、八边形等多边形中的一种或其任意组合，可以根据配色要求来相应调整各个子像素的形状和/或面积。
每个子像素均包括发光区(显示区)和非发光区(非显示区)，每个子像素的发光区中包括阴极、阳极和电致发光层(有机发光层)，所述电致发光层位于阴极和阳极之间，用于产生预定颜色光线以实现显示。通常需要利用三层蒸镀工艺以分别在对应颜色像素区域的发光区中形成对应颜色(如红色、绿色或蓝色)的电致发光层。当所述第二子像素102与第三子像素103的形状及面积均相同时，可以采用同一个掩模板形成红色和蓝色的电致发光层，从而只需要制作两个掩模板，节省了掩模板的制作成本。
在第二方向上相邻的重复单元10在第一方向上错位排布，具体的，奇数行的重复单元10相互对齐，即奇数行的重复单元10的排布方式完全相同，偶数行的重复单元10相互对齐，即偶数行的重复单元10的排布方式完全相同，且偶数行的重复单元10与奇数行的重复单元10在行方向上错位排布。从而使得像素排布更加均匀，提高了显示装置的显示效果。
优选的，偶数行的重复单元10与奇数行的重复单元10在行方向上错位至少一个子像素的距离，本实施例中，错位至少一个红色子像素的距离。如图5所示，奇数列最左端的一个红色子像素与偶数列最左端的一个红色子像素之间的距离H包括红色子像素在第一方向上的长度，还包括奇数行内红色子像素与绿色子像素之间的部分间隙。
需要说明的是，还可以通过时序控制在所述第二方向上相邻的两个重复单元，使得一个重复单元中的像素单元实现左眼显示，另一个重复单元中的像素单元实现右眼显示，由此可以使得该像素结构能够应用于VR和3D显示技术中。或者，也可以在一个重复单元中，控制第一像素单元P11实现左眼显示，第二像素单元P12实现右眼显示。
可以理解的是，在本公开的另一实施例中，第一方向可以是列方向(如图5中的Y方向)，第二方向可以是行方向(如图5中的X方向)，如此，需要将图1所述的像素结构的结构示意图进行调整，得到该实施例所述的像素结构，由于 与上述的像素结构类似，本公开对此不再赘述。
实施例四
图7为本公开实施例四所提供的像素结构的结构示意图。如图7所示，本公开提供一种像素结构，包括以矩阵形式排布的多个重复单元10，所述重复单元10沿第一方向与第二方向重复排列，每个重复单元10包括沿第一方向排列的具有不同颜色的三个子像素，其中，所述重复单元10包括一个第一子像素101、两个第二子像素102与两个第三子像素103，所述第一子像素101位于中间，所述第二子像素102与第三子像素103分别位于所述第一子像素101的两侧，并且，三个子像素中亮度大于其余两个子像素的一个子像素在第二方向上分隔为两个从属子像素。
在本实施例中，所述重复单元10包括沿第一方向(X方向)依次排列的第三子像素103、第二子像素102、第一子像素101、第三子像素103与第二子像素102，第一子像素101被分隔出的两个从属子像素分别与两侧的第二子像素102、第三子像素103组成两个像素单元，如图8所示。具体的，所述第二子像素102、第三子像素103与所述第一子像素101中分隔出的一个从属子像素(例如图8中的上侧)组成第一像素单元P11，所述第二子像素102、第三子像素103与所述第一子像素101中分隔出的另一个从属子像素(例如图8中的下侧)组成第二像素单元P12。
在本实施例中，偶数行的重复单元10与奇数行的重复单元10在行方向上错位至少一个蓝色子像素的距离。如图7所示，奇数列最左端的一个蓝色子像素与偶数列最左端的一个蓝色子像素之间的距离H包括蓝色子像素在第一方向上的长度，还包括奇数行内蓝色子像素与红色子像素之间的部分间隙。
可以理解的是，在本公开的另一实施例中，第一方向可以是列方向(如图7中的Y方向)，第二方向可以是行方向(如图7中的X方向)，如此，需要将图3所述的像素结构的结构示意图进行调整，得到该实施例所述的像素结构，由于与上述的像素结构类似，本公开对此不再赘述。
实施例五
在上述实施例一至实施例四中，第一子像素两侧的两个子像素的排布方式相同，并且每一行中每个重复单元都完全相同。
本实施例与上述四个实施例的区别之处在于，每个重复单元中，第一子像素两侧的两个子像素的排布方式可以不同，并且同一行中相邻的重复单元的排布方式也可以不同。例如：
针对实施例一与实施例二所列举的像素结构，在本实施例中，每个重复单元10可以排布为：第二子像素102、第三子像素103、第一子像素101、第三子像素103与第二子像素102，即按照绿色子像素、蓝色子像素、红色子像素、蓝色子像素与绿色子像素的顺序排布，如图9a所示，也可以排布为：第三子像素103、第二子像素102、第一子像素101、第二子像素102与第三子像素103，即按照蓝色子像素、绿色子像素、红色子像素、绿色子像素与蓝色子像素的顺序排布，如图9b所示。这样的排布方式造成相邻的两个重复单元10中相同的子像素相邻，可以采用蒸镀掩模板的同一个开口来同时蒸镀两个子像素。当然，也可以改变彼此相邻的两个重复单元中像素的排布方式，避免相同的子像素相邻，如图9c所示，两个相邻的重复单元10的排布方式为：第一个重复单元10排布为第二子像素102、第三子像素103、第一子像素101、第三子像素103与第二子像素102，第二重复单元排布为第三子像素103、第二子像素102、第一子像素101、第二子像素102与第三子像素103。或者，如图9d所示，第一重复单元与第二重复单元的排布方式与上述相反，第一个重复单元10排布为第三子像素103、第二子像素102、第一子像素101、第二子像素102与第三子像素103，第二重复单元排布为第二子像素102、第三子像素103、第一子像素101、第三子像素103与第二子像素102。
需要说明的是，在本实施例的附图中(例如图9a～9d中)，仅示出了相邻的两个重复单元的结构示意图，像素结构包括以阵列排布的多个重复单元。
针对实施例三与实施例四所列举的像素结构，在本实施例中，每个重复单元10的排布方式可以为：第二子像素102、第三子像素103、第一子像素101、第三子像素103与第二子像素102，即按照红色子像素、蓝色子像素、绿色子像素、蓝色子像素与红色子像素的顺序排布，如图10a所示。或者，每个重复单元10的排布方式可以为：第三子像素103、第二子像素102、第一子像素101、 第二子像素102与第三子像素103，即按照蓝色子像素、红色子像素、绿色子像素、红色子像素与蓝色子像素的顺序排布，如图10b所示。这样的排布方式造成相邻的两个重复单元10中相同的子像素相邻，可以采用蒸镀掩模板的同一个开口来同时蒸镀两个子像素。当然，也可以改变彼此相邻的两个重复单元中像素的排布方式，避免相同的子像素相邻，如图10c所示，两个相邻的重复单元10的排布方式为：第一个重复单元10排布为第二子像素102、第三子像素103、第一子像素101、第三子像素103与第二子像素102，第二个重复单元10排布为第三子像素103、第二子像素102、第一子像素101、第二子像素102与第三子像素103，即两个相邻的重复单元中子像素按照红色子像素、蓝色子像素、绿色子像素、蓝色子像素与红色子像素、以及蓝色子像素、红色子像素、绿色子像素、红色子像素与蓝色子像素的顺序排布。当然，两个相邻的重复单元的前后顺序可以调换，如图10d所示，两个相邻的重复单元中，第一个重复单元10排布为第三子像素103、第二子像素102、第一子像素101、第二子像素102与第三子像素103，第二个重复单元10排布为第二子像素102、第三子像素103、第一子像素101、第三子像素103与第二子像素102，即按照蓝色子像素、红色子像素、绿色子像素、红色子像素与蓝色子像素、以及红色子像素、蓝色子像素、绿色子像素、蓝色子像素与红色子像素的顺序排布。
实施例六
图11a为本公开实施例六所提供的像素结构的结构示意图。如图11a所示，本公开提供一种像素结构，包括以矩阵形式排布的多个重复单元10，每个重复单元10包括沿第一方向相邻设置的第一像素单元110与第二像素单元120；其中，所述第一像素单元110包括沿所述第一方向依次排列的第三子像素103、第二子像素102和第一子像素101，所述第二子像素单元120包括沿所述第一方向依次排列的第一子像素101、第三子像素103和第二子像素102，所述第一像素单元110与第二像素单元120共用所述第一子像素101，所述第一子像素101为红色子像素(R)，所述第二子像素102为绿色子像素(G)，所述第三子像素103为蓝色子像素(B)；并且，在第二方向上相邻的重复单元10在第一方向上错位排布。
本实施例与实施例一的区别之处在于，在本实施例中，所述第二子像素102的面积要小于所述第一子像素101或第三子像素103的面积，原因在于，绿色子像素最亮，可以适当减小绿色子像素的面积，而红色子像素被共用，因此要增加红色子像素的面积，而蓝色子像素的使用寿命最短，因此也需要增加蓝色子像素的面积。
优选的，所述第一子像素101与第三子像素103的形状及面积均相同，可以采用同一个蒸镀掩模板蒸镀形成，从而节省掩模板的制作成本。当然，所述第一子像素101与第三子像素103的形状及面积也可以不相同，例如形状相同，面积不同，或者形状不同，面积相同，再或者形状及面积均不相同。
更优选的，所述第一子像素101与第三子像素103的形状为长方形或正方形，所述第二子像素102的形状为长方形，且所述第二子像素102沿其长边方向排列，例如，所述第一子像素101与第三子像素103的形状为正方形，所述第二子像素102的长边长度是短边长度的2倍。当然，所述第二子像素102也可以沿其短边方向排列。但应理解的是，所述第一子像素101、第二子像素102与第三子像素103的形状并不局限于矩形，还可以是矩形之外的其他四边形，或者是三角形、五边形、六边形、八边形等多边形中的一种或其任意组合，可以根据配色要求来相应调整各个子像素的形状和/或面积。
每个子像素均包括发光区(显示区)和非发光区(非显示区)，每个子像素的发光区中包括阴极、阳极和电致发光层(有机发光层)，所述电致发光层位于阴极和阳极之间，用于产生预定颜色光线以实现显示。通常需要利用三层蒸镀工艺以分别在对应颜色像素区域的发光区中形成对应颜色(如红色、绿色或蓝色)的电致发光层。当所述第一子像素101与第三子像素103的形状及面积均相同时，可以采用同一个掩模板形成红色和蓝色的电致发光层，从而只需要制作两个掩模板，节省了掩模板的制作成本。
在第二方向上相邻的重复单元10在第一方向上错位排布，具体的，奇数行的重复单元10相互对齐，即奇数行的重复单元10的排布方式完全相同，偶数行的重复单元10相互对齐，即偶数行的重复单元10的排布方式完全相同，且偶数行的重复单元与奇数行的重复单元在行方向上错位排布。
优选的，偶数行的重复单元10与奇数行的重复单元10在行方向上错位的 距离包括一个子像素在第一方向上的长度与该子像素与相邻子像素之间的间距之和，本实施例中，错位的距离包括一个蓝色子像素在第一方向上的长度与该蓝色子像素与绿色子像素之间的间距之和。如图11a所示，在本实施例中，奇数列最左端的一个蓝色子像素与偶数列最左端的一个蓝色子像素之间的距离H包括蓝色子像素在第一方向上的长度，由于绿色子像素的面积小于蓝色子像素的面积，所以，距离H还包括奇数行内蓝色子像素与绿色子像素之间的部分间隙。
需要说明的是，还可以通过时序控制在所述第二方向上相邻的两个像素单元组，使得一个像素单元组中的像素单元实现左眼显示，另一个像素单元组中的像素单元实现右眼显示，由此可以使得该像素结构能够应用于VR(Virtual Reality)和3D(three-dimensional)显示技术中。
可选的，通过将图11a中的第一、第二方向互换，即使得第一方向为列方向，第二方向为行方向，可得到图11b所示的像素结构。
可选的，通过将图11a中每个重复单元内的第二、第三子像素的位置互换，即使得每个重复单元10内沿第一方向排列有第二子像素102、第三子像素103、第一子像素101、第二子像素102和第三子像素103，可得到图11c所示的像素结构。
可选的，通过将图11c中的第一、第二方向互换，还可得到图11d所示的像素结构。
可选的，通过使得图11a中第一像素单元110在第一方向上反转180度之后与第二像素单元120的排布方式相同，即使得每个重复单元10内沿第一方向排列有第三子像素103、第二子像素102、第一子像素101、第二子像素102和第三子像素103，可得到图11e所示的像素结构。
可选的，通过使得图11c中第一像素单元110在第一方向上反转180度之后与第二像素单元120的排布方式相同，即使得每个重复单元10内沿第一方向排列有第二子像素102、第三子像素103、第一子像素101、第三子像素103和第二子像素102，可得到图11f所示的像素结构。
在图11e和11f所示的像素结构中，由于每个重复单元中，第一像素单元110在行方向上反转180度之后与第二像素单元120的排布方式相同，这样，多个重复单元以阵列排布形成像素结构之后，会使得相邻的重复单元之间相邻的子 像素为同一种颜色，如图11e与11f所示，相邻的像素单元组之间相邻的子像素为蓝色子像素或绿色子像素，可以采用蒸镀掩模板的同一个开口来同时蒸镀两个子像素。
当然，也可以避免相邻子像素为同一颜色的子像素的情况发生，例如，相邻的两个重复单元，第一个采用如图11e所示的重复单元，第二个采用如图11f所示的重复单元，最终的结构示意图如图11g所示，然后将该结构以阵列排布形成像素结构，或者，也可以第一个采用如图11f所示的像素单元组，第二个采用如图11e所示的像素单元组，最终的结构示意图如图11h所示，同样的，将该结构以阵列排布形成像素结构。
实施例七
本实施例提供一种显示装置，可以采用实施例一至六中任一个所描述的像素结构。
需要说明的是，本说明书中各个实施例采用递进的方式描述，每个实施例重点说明的都是与其他实施例的不同之处，各个实施例之间相同相似部分互相参见即可。
综上所述，本公开提供的像素结构及显示装置，像素结构包括阵列排布的多个重复单元，每个重复单元包括具有三种颜色的多个子像素，其中一种颜色的子像素具有一个，其余两种颜色的子像素各具有两个，分别位于所述一种颜色的子像素的两侧，位于中间的子像素分别与两侧的两个子像素组成两个像素单元，实现了子像素的共用，有利于提高显示装置的分辨率；并且，三种颜色的子像素中，亮度最大的子像素分隔为两个从属子像素，使得亮度最大的子像素的数量增大，从而增加PPI(Pixels Per Inch，像素密度)，进一步提高显示装置的分辨率，同时，可以采用蒸镀掩模板的同一个开口来蒸镀两个被隔开的子像素，可降低蒸镀掩模板制作工艺和蒸镀工艺的难度；所述第一子像素为红色子像素或蓝色子像素时，实现对寿命较长的子像素的共用，从而对不同材料寿命的子像素进行平衡，提高了显示装置的使用寿命；在第二方向上相邻的重复单元在第一方向上错位排布，从而使得像素排布更加均匀，提高了显示装置的显示效果；在所述第二方向上相邻的两个像素单元组中，通过分时控制使得一 个像素单元组中的像素单元用于实现左眼显示，另一个像素单元组中的像素单元用于实现右眼显示，进而使得包含所述像素结构的显示装置也能够用于实现VR(Virtual Reality)和3D(three-dimensional)显示。
上述描述仅是对本公开较佳实施例的描述，并非对本公开范围的任何限定，本公开领域的普通技术人员根据上述揭示内容做的任何变更、修饰，均属于权利要求书的保护范围。

Claims (16)

  1. 一种像素结构，包括阵列排布的多个重复单元，每个重复单元包括一个第一颜色的子像素，两个第二颜色的子像素，以及两个第三颜色的子像素，其中，所述第一颜色、第二颜色和第三颜色互不相同，所述第一颜色的子像素的两侧都具有一个所述第二颜色的子像素和一个所述第三颜色的子像素。
  2. 如权利要求1所述的像素结构，其中，所述第一、第二和第三颜色的子像素中，亮度最大的一个子像素被分隔为两个从属子像素。
  3. 如权利要求1所述的像素结构，其中，所述第一、第二和第三颜色的子像素中，亮度最大的一个子像素具有比其余子像素更小的面积。
  4. 如权利要求3所述的像素结构，其中，所述亮度最大的子像素为第二颜色的子像素，所述第二颜色的子像素的面积是所述第一颜色的子像素及第三颜色的子像素的面积的一半。
  5. 如权利要求2所述的像素结构，其中，所述亮度最大的子像素为第二颜色的子像素，所述第二颜色的子像素被分隔为两个从属子像素，所述第一颜色的子像素分别被两侧的第二颜色的子像素、第三颜色的子像素所共用，组成两个像素单元组；在每一所述像素单元组中，所述第一颜色的子像素、第三颜色的子像素分别与第二颜色的子像素中分隔出的两个从属子像素中的每一个，组成一个像素单元。
  6. 如权利要求2-4任一项所述的像素结构，其特征在于，所述第一颜色与第三颜色选自红色和蓝色，所述第二颜色为绿色。
  7. 如权利要求1所述的像素结构，其中，所述第一颜色的子像素被分隔为两个从属子像素，所述第一颜色的子像素分隔出的两个从属子像素与两侧的所述第二颜色的子像素、第三颜色的子像素组成两个像素单元。
  8. 如权利要求7所述的像素结构，其中，所述第一颜色为绿色，所述第二颜色与第三颜色选自红色和蓝色。
  9. 如权利要求2所述的像素结构，其中，所述分隔的两个从属子像素同时采用蒸镀掩模板的一个开口蒸镀形成。
  10. 如权利要求1所述的像素结构，其中，所述重复单元中的多个子像素 沿第一方向排列，且在第二方向上相邻的重复单元在第一方向上错位排布。
  11. 如权利要求10所述的像素结构，其中，所述第一方向为行方向，所述第二方向为列方向，奇数行的重复单元相互对齐，偶数行的重复单元相互对齐，且偶数行的重复单元与奇数行的重复单元在行方向上错位排布；或者
    所述第一方向为列方向，所述第二方向为行方向，奇数列的重复单元相互对齐，偶数列的重复单元相互对齐，且偶数列的重复单元与奇数列的重复单元在列方向上错位排布。
  12. 如权利要求10所述的像素结构，其中，所述第一方向和所述第二方向垂直。
  13. 如权利要求1所述的像素结构，其中，
    所述第一颜色的子像素的形状为矩形或三角形或五边形或六边形或八边形，
    所述第二颜色的子像素的形状为矩形或三角形或五边形或六边形或八边形，
    所述第三颜色的子像素的形状为矩形或三角形或五边形或六边形或八边形。
  14. 如权利要求10所述的像素结构，其中，在所述第二方向上相邻的两个重复单元中，一个重复单元中的像素单元用于实现左眼显示，另一个重复单元中的像素单元用于实现右眼显示。
  15. 如权利要求1所述的像素结构，其中，相邻的两个所述重复单元的相邻子像素的颜色不同。
  16. 一种显示装置，包括如权利要求1～15中任一项所述的像素结构。
PCT/CN2018/094822 2017-08-31 2018-07-06 像素结构及显示装置 Ceased WO2019042013A1 (zh)

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