WO2016127308A1 - 一种显示面板 - Google Patents

一种显示面板 Download PDF

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Publication number
WO2016127308A1
WO2016127308A1 PCT/CN2015/072634 CN2015072634W WO2016127308A1 WO 2016127308 A1 WO2016127308 A1 WO 2016127308A1 CN 2015072634 W CN2015072634 W CN 2015072634W WO 2016127308 A1 WO2016127308 A1 WO 2016127308A1
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Prior art keywords
pixel
sub
pixels
display panel
quaternary
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PCT/CN2015/072634
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English (en)
French (fr)
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罗红磊
谢亮
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华为技术有限公司
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Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to KR1020177025002A priority Critical patent/KR20170108163A/ko
Priority to JP2017559744A priority patent/JP6549733B2/ja
Priority to PCT/CN2015/072634 priority patent/WO2016127308A1/zh
Priority to CN201580002211.1A priority patent/CN106170864B/zh
Publication of WO2016127308A1 publication Critical patent/WO2016127308A1/zh

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    • 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
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
    • 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

Definitions

  • the present invention relates to the field of display technologies, and in particular, to a display panel.
  • OLED Organic Light-Emitting Diode
  • OLED display technology has self-luminous characteristics, using very thin organic material coating and glass substrate. When there is current, these organic materials It will illuminate, and the OLED display screen has a large viewing angle and can save power.
  • the G sub-pixels in the R, G, and B three-color sub-pixels are reduced in layout area to increase the pixel density of the entire panel, but R, G, and B sub-pixels are formed.
  • the power consumption is relatively high and the lifetime is relatively short.
  • Embodiments of the present invention provide a display panel that maintains pixel density while reducing power consumption.
  • a first aspect of the embodiments of the present invention provides a display panel, including:
  • a plurality of quaternary pixels including a W sub-pixel, and first sub-pixels, second sub-pixels, and third sub-pixels having different colors from each other;
  • the first sub-pixel is adjacent to the second sub-pixel and is located above the second sub-pixel, the first sub-pixel and the second sub-pixel are the same width, the first sub-pixel and the second And combining the sub-pixels with the third sub-pixel and the W sub-pixel to form the quaternary-type pixel, wherein a pixel area of the first sub-pixel and the second sub-pixel is smaller than the third sub-pixel, The pixel area of the W sub-pixel.
  • the combination of the first sub-pixel and the second sub-pixel is adjacent to the third sub-pixel, And the length of the combination of the first sub-pixel and the second sub-pixel is the same as the length of the third sub-pixel, and the W sub-pixel is placed in the first sub-pixel, the second sub-pixel, The upper side, the lower side, the left side, or the right side of the overall structure composed of the third sub-pixel.
  • the combination of the first sub-pixel and the second sub-pixel is adjacent to the W sub-pixel, and
  • the length of the combination of the first sub-pixel and the second sub-pixel is the same as the length of the W sub-pixel
  • the third sub-pixel is placed in the first sub-pixel, the second sub-pixel, and The upper side, the lower side, the left side, or the right side of the overall structure composed of sub-pixels.
  • the third sub-pixel and the W sub-pixel are disposed laterally, and the third sub-pixel and the The W sub-pixels are adjacent to each other on the long side, and the first sub-pixel and the second sub-pixel are combined, and placed on the upper side of the overall structure after the combination of the third sub-pixel and the W sub-pixel, Lower side, left side or right side.
  • the third sub-pixel is a B sub-pixel
  • the first The sub-pixel and the second sub-pixel are respectively one of an R sub-pixel and a G sub-pixel.
  • the first sub-pixel is an R sub-pixel and the second sub-pixel It is a G sub-pixel, and the pixel area of the R sub-pixel is larger than the pixel area of the G sub-pixel.
  • the first sub-pixel is a G sub-pixel and the second sub-pixel It is an R sub-pixel, and the pixel area of the R sub-pixel is larger than the pixel area of the G sub-pixel.
  • the quaternary pixel The R sub-pixel, the G sub-pixel, the B sub-pixel, and the W sub-pixel adopt a common cathode power supply or a common anode power supply.
  • the quaternary pixel The R sub-pixel, the G sub-pixel, and the B sub-pixel adopt a common cathode power supply or a common anode power supply.
  • the W sub-pixel uses another cathode power source or an anode power source.
  • each of the plurality of quaternary pixels is the same.
  • the first sub-pixel and the second sub-pixel have the same width, and the pixel area of the first sub-pixel and the second sub-pixel is smaller than the pixel area of the third sub-pixel and the W sub-pixel, because the first sub-pixel and the second sub-pixel
  • the pixel area of the sub-pixel is reduced, which increases the pixel density PPI in the entire display panel, and the white pixel is added to the pixel, which reduces power consumption and prolongs the service life.
  • FIG. 1 is a schematic diagram of an embodiment of a pixel arrangement in the prior art
  • FIG. 2 is a schematic view of another embodiment of a pixel arrangement in the prior art
  • FIG. 3 is a schematic view of another embodiment of a pixel arrangement manner in the prior art
  • FIG. 4 is a schematic diagram of an embodiment of a quaternary pixel in a display panel according to an embodiment of the present invention.
  • FIG. 4A is a schematic view of a slit type vapor deposition Mask according to an embodiment of the present invention.
  • 4B is a schematic view of a slot type vapor deposition Mask according to an embodiment of the present invention.
  • FIG. 5 is a schematic diagram of another embodiment of a quaternary pixel in a display panel according to an embodiment of the present invention.
  • FIG. 6 is a schematic diagram of another embodiment of a quaternary pixel in a display panel according to an embodiment of the present invention.
  • FIG. 7 is a schematic diagram of another embodiment of a quaternary pixel in a display panel according to an embodiment of the present invention.
  • FIG. 8 is a schematic diagram of another embodiment of a quaternary pixel in a display panel according to an embodiment of the present invention.
  • FIG. 9 is a schematic diagram of another embodiment of a quaternary pixel in a display panel according to an embodiment of the present invention.
  • FIG. 10 is a schematic diagram of another embodiment of a quaternary pixel in a display panel according to an embodiment of the present invention.
  • FIG. 11 is a schematic diagram of another embodiment of a quaternary pixel arrangement in a display panel according to an embodiment of the present invention.
  • FIG. 12 is a schematic diagram of another embodiment of a quaternary pixel arrangement in a display panel according to an embodiment of the invention.
  • FIG. 13 is a schematic diagram of another embodiment of a quaternary pixel arrangement in a display panel according to an embodiment of the present invention.
  • FIG. 14 is a schematic diagram of another embodiment of a quaternary pixel arrangement in a display panel according to an embodiment of the present invention.
  • FIG. 15 is a schematic diagram of another embodiment of a quaternary pixel arrangement in a display panel according to an embodiment of the present invention.
  • 16 is a schematic diagram of an embodiment of a power supply circuit for each sub-pixel in a quaternary pixel of a display panel according to an embodiment of the present invention
  • FIG. 17 is a schematic diagram of another embodiment of a sub-pixel power supply circuit in a quaternary pixel of a display panel according to an embodiment of the invention.
  • Embodiments of the present invention provide a display panel that maintains pixel density while reducing power consumption and extending life.
  • a display panel includes a plurality of quaternary pixels, wherein the quaternary pixels include W sub-pixels (white sub-pixels), and first sub-pixels, second sub-pixels, and third sub-pixels having different colors from each other;
  • the first sub-pixel is adjacent to the second sub-pixel and is located above the second sub-pixel, the first sub-pixel and the second sub-pixel are the same width, the first sub-pixel and the second And combining the sub-pixels with the third sub-pixel and the W sub-pixel to form the quaternary-type pixel, wherein a pixel area of the first sub-pixel and the second sub-pixel is smaller than the third sub-pixel, W sub-pixel pixel surface product.
  • the quaternary pixel there are a first sub-pixel, a second sub-pixel, a third sub-pixel, and a W sub-pixel in a quaternary pixel range, and each sub-pixel Quadrilateral, and each has an independent organic light-emitting component, which is formed by an evaporation metallization method through a high-precision metal mask (FMM) to form organic light at corresponding pixel positions on an array substrate.
  • FMM high-precision metal mask
  • adjacent sub-ports Pixels refer to sub-pixels adjacent in the arrangement position; since the reserved gap generally does not change much, when the pixel area of one sub-pixel is larger than the pixel area of another sub-pixel, its light-emitting area is larger than the other
  • the light-emitting area of the sub-pixels is such that the light-emitting areas of the first sub-pixel and the second sub-pixel are smaller than the light-emitting areas of the third sub-pixel and the W sub-pixel.
  • the arrangement of the sub-pixels may be performed by using a slit, a slot, a Pentile, and an IGNIS, as shown in FIG. 4A and FIG. 4B respectively, corresponding to the slit-type vapor deposition Mask and the slot type steaming.
  • the Mask is plated, wherein 101 and 103 in FIGS. 4A and 4B are Mask occlusion regions, and the openings of the vapor deposition zone openings 102 and 104 are respectively slits or slots.
  • the corresponding metal mask opening size is opposite to the size of the sub-pixel, and the opening manner of the metal mask is mainly characterized in that all sub-pixels in the same column in the screen share the same opening.
  • the opening of the metal mask is longer in the length direction. As the size of the display increases, the opening length of the metal mask also needs to increase, and the non-opening portion between the adjacent openings forms a strip of metal (stripe ).
  • the combination of the first sub-pixel and the second sub-pixel is adjacent to the third sub-pixel, and a length of the first sub-pixel and the second sub-pixel is combined with the third
  • the sub-pixels have the same length, and the W sub-pixels are placed on the upper side, the lower side, the left side, or the right side of the overall structure composed of the first sub-pixel, the second sub-pixel, and the third sub-pixel.
  • the combination of the first sub-pixel and the second sub-pixel may also be adjacent to the W sub-pixel, and a length of the first sub-pixel and the second sub-pixel combined with the W
  • the sub-pixels have the same length, and the third sub-pixels are placed on the upper side, the lower side, the left side, or the right side of the overall structure composed of the first sub-pixel, the second sub-pixel, and the W sub-pixel.
  • the third sub-pixel is disposed laterally with the W sub-pixel, and the third sub-pixel is adjacent to the W sub-pixel on a long side, the first sub-pixel and the second sub-pixel Pixel combination An upper side, a lower side, a left side, or a right side of the overall structure after the combination of the third sub-pixel and the W sub-pixel.
  • the first sub-pixel and the second sub-pixel and the third sub-pixel may respectively be a G sub-pixel (green sub-pixel), a B sub-pixel (blue sub-pixel), and an R sub-pixel (red sub-pixel) One of the pixels).
  • the third sub-pixel may be a B sub-pixel, and the first sub-pixel and the second sub-pixel are respectively one of an R sub-pixel and a G sub-pixel.
  • the B sub-pixel has the largest pixel area
  • the R sub-pixel is the second
  • the G sub-pixel The minimum is that the first sub-pixel and the second sub-pixel are respectively one of the G sub-pixel and the R sub-pixel, the third sub-pixel is the B sub-pixel, and the pixel area of the R sub-pixel is larger than the pixel of the G sub-pixel.
  • the area, the W sub-pixel is placed on the upper side, the lower side, the left side, or the right side of the overall structure composed of the G sub-pixel, the B sub-pixel, and the R sub-pixel.
  • the first sub-pixel is an R sub-pixel
  • the second sub-pixel is a G sub-pixel
  • the third sub-pixel is a B sub-pixel
  • the W sub-pixels are respectively placed.
  • the combination of the R sub-pixel and the G sub-pixel may also be
  • the length of the R sub-pixel and the G sub-pixel are the same as the length of the W sub-pixel, wherein the pixel area of the R sub-pixel is larger than the pixel area of the G sub-pixel.
  • the B sub-pixel is placed on the upper side, the lower side, the left side, or the right side of the overall structure composed of the R sub-pixel, the G sub-pixel, and the W sub-pixel. As shown in FIG. 9 , the B sub-pixel is disposed on the lower side of the overall structure of the R sub-pixel, the G sub-pixel, and the W sub-pixel, and is not limited herein.
  • the first sub-pixel is an R sub-pixel
  • the second sub-pixel is a G sub-pixel
  • the third sub-pixel is a B sub-pixel
  • the B sub-pixel and the W sub-pixel are on a long side. Adjacent to the side, the R sub-pixel and the G sub-pixel are combined, and placed on the upper side, the lower side, the left side or the right side of the overall structure after the B sub-pixel and the W sub-pixel are combined.
  • the R sub-pixel and the G sub-pixel combination structure are not limited herein, and are disposed on the left side of the B sub-pixel and the W sub-pixel combination structure.
  • the first sub-pixel and the second sub-pixel can also be G sub-pixels and B sub-sub-pixels, respectively.
  • One of the pixels, the third sub-pixel is an R sub-pixel, and the W sub-pixel is respectively placed on the upper side, the lower side, the left side of the first sub-pixel, the second sub-pixel, and the third sub-pixel Right.
  • the first sub-pixel is a B sub-pixel
  • the second sub-pixel is a G sub-pixel
  • the third sub-pixel is an R sub-pixel
  • the white sub-pixel is placed under the overall structure of the G sub-pixel, the B sub-pixel, and the R sub-pixel. .
  • the first sub-pixel and the second sub-pixel may also be one of an R sub-pixel and a B sub-pixel, respectively, the third sub-pixel is a G sub-pixel, and the W sub-pixel is respectively placed in the first sub-pixel, the The upper side, the lower side, the left side, or the right side of the overall structure composed of the second sub-pixel and the third sub-pixel.
  • the first sub-pixel is a B sub-pixel
  • the second sub-pixel is an R sub-pixel
  • the third sub-pixel is a G sub-pixel
  • the white sub-pixel is placed on the upper side of the overall structure composed of the G sub-pixel, the B sub-pixel, and the R sub-pixel.
  • the first sub-pixel and the second sub-pixel and the third sub-pixel may also be sub-pixels of other colors than the R sub-pixel, the G sub-pixel, and the B sub-pixel, for example,
  • the yellow sub-pixel yellow sub-pixel
  • the Cyan sub-pixel cyan sub-pixel
  • the Purple sub-pixel purple sub-pixel
  • the entire display panel composed of a plurality of the above quaternary pixels has various arrangement manners, for example, each of the plurality of quaternary pixels in the entire display panel has a quaternary pixel structure.
  • the white sub-pixels of the plurality of quaternary pixels are oriented in the same direction, such as up, down, left, etc.
  • the entire display panel The quaternary pixels in the plurality of quaternary pixels may also be different, and the plurality of quaternary pixel arrangement combinations described in the above embodiments are used. For example, as shown in FIG.
  • the display panel shown in FIG. 11 to FIG. 14 is only an embodiment when the quaternary pixel structure is as follows: the first sub-pixel and the second sub-pixel are respectively in the G sub-pixel and the R sub-pixel.
  • the third sub-pixel is a B sub-pixel, and the pixel area of the R sub-pixel is larger than the pixel area of the G sub-pixel, and the W sub-pixel is placed on the lower side of the overall structure composed of the G sub-pixel, the B sub-pixel, and the R sub-pixel.
  • the quaternary-type pixel is in the foregoing other structures, it is still applicable.
  • the quaternary-type pixels of the plurality of different structures are configured in various manners to form the display panel in the embodiment of the present invention, which is not limited herein.
  • the first sub-pixel, the second sub-pixel, the third sub-pixel, and the W sub-pixel may share a cathode or anode power supply, for example, as shown in FIG. 16 , when the first sub-pixel and the second sub-pixel Sub-pixel, when the third sub-pixel is R sub-pixel, G sub-pixel, B sub-pixel, R sub-pixel, G sub-pixel, B sub-pixel, W sub-pixel share one anode power supply, in the figure, V anode is anode voltage
  • the V cathode is a cathode voltage
  • the anode power source may be a power supply circuit as shown in the figure, or other anode power supply circuit may be used, which is not limited herein.
  • the white sub-pixels have lower power consumption than the sub-pixels of the other colors, the white sub-pixels are powered by the same as the other sub-pixels, which increases the power consumption. Therefore, in the embodiment of the present invention, the first sub-pixel and the second sub-pixel can also be used.
  • the W sub-pixel uses an anode power supply alone.
  • the V anode is an anode.
  • the voltage and V cathode are cathode voltages, and the anode power source may be a power supply circuit as shown in the figure, or other anode power supply circuits may be used, which is not limited herein.

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Abstract

一种显示面板，包括多个四元型像素，所述四元型像素包括W子像素，以及颜色互不相同的第一子像素，第二子像素，第三子像素；所述第一子像素与所述第二子像素相邻且位于所述第二子像素上方，所述第一子像素和所述第二子像素宽度相同，所述第一子像素和第二子像素的组合，与所述第三子像素、所述W子像素组成所述四元型像素，其中，第一子像素、第二子像素的像素面积小于所述第三子像素、所述W子像素的像素面积。所述显示面板在降低功耗，延长寿命的同时，维持了像素密度。

Description

一种显示面板 技术领域
本发明涉及显示技术领域，尤其涉及一种显示面板。
背景技术
有机发光二极管(Organic Light-Emitting Diode，OLED)又称为有机电激光显示，OLED显示技术具有自发光的特性，采用非常薄的有机材料涂层和玻璃基板，当有电流通过时，这些有机材料就会发光，而且OLED显示屏幕可视角度大，并且能够节省电能。
随着显示技术的不断发展，低功耗是面板发展的趋势，因为白光OLED的电能转化为光亮的效率高，也寿命更长，所以各公司分别提出了如图1所示并行RGBW排布方式，或如图2所示的两行两列式RGBW等方式降低功耗，由于高像素密度的技术难点在于制作精细及机械稳定性好的高精细金属掩膜板，而高精细金属掩膜板的关键在于像素及子像素的排布方式，但上述这两种像素排布方式是由4个子像素构成1个像素，所以造成面板的像素密度(Pixel Per Inch，PPI)较低。
如图3所示，现有技术中，将R、G、B三色子像素中G子像素减小排布占用面积，以增大整个面板的像素密度，但R、G、B3个子像素构成1个像素的情况下，虽然保证了像素密度，但功耗比较高，寿命也比较短。
所以显示面板在低功耗的前提下维持PPI是一个较难解决的问题。
发明内容
本发明实施例提供了一种显示面板，在降低功耗的同时，维持了像素密度。
本发明实施例第一方面提供了一种显示面板，包括：
包括多个四元型像素，所述四元型像素包括W子像素，以及颜色互不相同的第一子像素，第二子像素，第三子像素；
所述第一子像素与所述第二子像素相邻且位于所述第二子像素上方，所述第一子像素和所述第二子像素宽度相同，所述第一子像素和第二子像素的组合，与所述第三子像素、所述W子像素组成所述四元型像素，其中，第一子像素、第二子像素的像素面积小于所述第三子像素、所述W子像素的像素面积。
结合本发明实施例的第一方面，在本发明实施例的第一方面的第一种实现方式中，所述第一子像素和第二子像素的组合与所述第三子像素相邻，且所述第一子像素和所述第二子像素组合后的长度与所述第三子像素的长度相同，所述W子像素置于所述第一子像素、所述第二子像素、第三子像素组成的整体结构的上侧、下侧、左侧或右侧。
结合本发明实施例的第一方面，在本发明实施例的第一方面的第二种实现方式中，所述第一子像素和第二子像素的组合与所述W子像素相邻，且所述第一子像素和所述第二子像素组合后的长度与所述W子像素的长度相同，所述第三子像素置于所述第一子像素、所述第二子像素、W子像素组成的整体结构的上侧、下侧、左侧或右侧。
结合本发明实施例的第一方面，在本发明实施例的第一方面的第三种实现方式中，所述第三子像素与所述W子像素横向设置，所述第三子像素与所述W子像素在长边侧相邻，所述第一子像素和所述第二子像素组合后，置于所述第三子像素和所述W子像素组合后的整体结构的上侧、下侧、左侧或右侧。
结合本发明实施例的第一方面至第一方面的第三种实现方式，在本发明实施例的第一方面的第四种实现方式中，所述第三子像素为B子像素，第一子像素和所述第二子像素分别为R子像素、G子像素中的一个。
结合本发明实施例的第一方面的第四种实现方式，在本发明实施例的第一方面的第五种实现方式中，所述第一子像素为R子像素、所述第二子像素为G子像素，且R子像素的像素面积大于G子像素的像素面积。
结合本发明实施例的第一方面的第四种实现方式，在本发明实施例的第一方面的第六种实现方式中，所述第一子像素为G子像素、所述第二子像素为R子像素，且R子像素的像素面积大于G子像素的像素面积。
结合本发明实施例的第一方面的第四种实现方式到第一方面的第六种实现方式，在本发明实施例的第一方面的第七种实现方式中，在所述四元型像素中，所述R子像素，G子像素，B子像素，W子像素采用一个共阴极电源或共阳极电源。
结合本发明实施例的第一方面的第四种实现方式到第一方面的第六种实现方式，在本发明实施例的第一方面的第八种实现方式中，在所述四元型像素中，所述R子像素，G子像素，B子像素采用一个共阴极电源或共阳极电源， 所述W子像素采用另一个阴极电源或阳极电源。
结合本发明实施例的第一方面到第一方面的第八种实现方式，在本发明实施例的第一方面的第九种实现方式中，所述多个四元型像素中各四元型像素结构相同。
从以上技术方案可以看出，本发明实施例具有以下优点：
本发明实施例中第一子像素、第二子像素宽度相同，第一子像素、第二子像素的像素面积小于第三子像素、W子像素的像素面积，由于第一子像素和第二子像素的像素面积减小，增大了整个显示面板中像素密度PPI，同时由于在像素中加入白色子像素，降低了功耗，延长了使用寿命。
附图说明
图1是现有技术中像素排布方式的一个实施例示意图；
图2是现有技术中像素排布方式的另一个实施例示意图；
图3是现有技术中像素排布方式的另一个实施例示意图；
图4是本发明实施例中显示面板中四元型像素的一个实施例示意图；
图4A是本发明实施例中slit式蒸镀Mask的示意图；
图4B是本发明实施例中slot式蒸镀Mask的示意图；
图5是本发明实施例中显示面板中四元型像素的另一个实施例示意图；
图6是本发明实施例中显示面板中四元型像素的另一个实施例示意图；
图7是本发明实施例中显示面板中四元型像素的另一个实施例示意图；
图8是本发明实施例中显示面板中四元型像素的另一个实施例示意图；
图9是本发明实施例中显示面板中四元型像素的另一个实施例示意图；
图10是本发明实施例中显示面板中四元型像素的另一个实施例示意图；
图11是本发明实施例中显示面板中四元型像素排布方式的另一个实施例示意图；
图12是本发明实施例中显示面板中四元型像素排布方式的另一个实施例示意图；
图13是本发明实施例中显示面板中四元型像素排布方式的另一个实施例示意图；
图14是本发明实施例中显示面板中四元型像素排布方式的另一个实施例示意图；
图15是本发明实施例中显示面板中四元型像素排布方式的另一个实施例示意图；
图16是本发明实施例中显示面板四元型像素中各子像素供电电路的一个实施例示意图；
图17是本发明实施例中显示面板四元型像素中各子像素供电电路的另一个实施例示意图。
具体实施方式
本发明实施例提供了一种显示面板，在降低功耗，延长寿命的同时，维持了像素密度。
为了使本技术领域的人员更好地理解本发明方案，下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分的实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都应当属于本发明保护的范围。
本发明的说明书和权利要求书及上述附图中的术语“第一”、“第二”等(如果存在)是用于区别类似的对象，而不必用于描述特定的顺序或先后次序。应该理解这样使用的数据在适当情况下可以互换，以便这里描述的实施例能够以除了在这里图示或描述的内容以外的顺序实施。此外，术语“包括”和“具有”以及他们的任何变形，意图在于覆盖不排他的包含，例如，包含了一系列步骤或单元的过程、方法、系统、产品或设备不必限于清楚地列出的那些步骤或单元，而是可包括没有清楚地列出的或对于这些过程、方法、产品或设备固有的其它步骤或单元。
本发明实施例中显示面板的一个实施例包括：
一种显示面板，包括多个四元型像素，所述四元型像素包括W子像素(白色子像素)，以及颜色互不相同的第一子像素，第二子像素，第三子像素；
所述第一子像素与所述第二子像素相邻且位于所述第二子像素上方，所述第一子像素和所述第二子像素宽度相同，所述第一子像素和第二子像素的组合，与所述第三子像素、所述W子像素组成所述四元型像素，其中，第一子像素、第二子像素的像素面积小于所述第三子像素、所述W子像素的像素面 积。
如图4所示，本发明实施例中，所述四元型像素中，在一个四元型像素范围有第一子像素、第二子像素、第三子像素、W子像素，每个子像素成四边形，且各自具有独立的有机发光元器件，它是利用蒸镀成膜技术透过高精细金属掩膜板(Fine Metal Mask，FMM)在array(阵列)基板上相应的像素位置形成有机发光元器件。
由于掩模板(Mask)开口面积有规格下限，以及为了避免制作过程受公差(tolerance)的影响，相邻像素的开口之间需要预留间隙(gap)，本发明实施例中，相邻的子像素指的是在排布位置上相邻的子像素；由于预留的间隙一般变化不大，在一个子像素的像素面积大于另一个子像素的像素面积时，它的发光面积也大于另一个子像素的发光面积，因此可知，第一子像素、第二子像素的发光面积小于所述第三子像素、所述W子像素的发光面积。
本发明实施例中，子像素的排布方式，可以采用缝(slit)、槽(slot)、Pentile和IGNIS等排布方式，如图4A、图4B分别对应slit式蒸镀Mask和slot式蒸镀Mask，其中，图4A、图4B中的101、103为Mask遮挡区，蒸镀区开口102、104的开口分别是缝(slit)或槽(slot)两种。图1A为slit式蒸镀Mask，其相对应的金属掩膜板开口大小与子像素的大小相对，该金属掩膜板的开口方式主要特点是在屏体内同一列的所有子像素共用同一个开口，金属掩膜板开口在长度方向上较长，随着显示屏尺寸的增大，金属掩膜板的开口长度也需要随之增长，相邻开口之间的非开口部分形成金属长条(stripe)。
可选的，所述第一子像素和第二子像素的组合与所述第三子像素相邻，且所述第一子像素和所述第二子像素组合后的长度与所述第三子像素的长度相同，所述W子像素置于所述第一子像素、所述第二子像素、第三子像素组成的整体结构的上侧、下侧、左侧或右侧。
可选的，所述第一子像素和第二子像素的组合还可以与所述W子像素相邻，且所述第一子像素和所述第二子像素组合后的长度与所述W子像素的长度相同，所述第三子像素置于所述第一子像素、所述第二子像素、W子像素组成的整体结构的上侧、下侧、左侧或右侧。
可选的，所述第三子像素与所述W子像素横向设置，所述第三子像素与所述W子像素在长边侧相邻，所述第一子像素和所述第二子像素组合后，置 于所述第三子像素和所述W子像素组合后的整体结构的上侧、下侧、左侧或右侧。
其中，所述第一子像素和所述第二子像素、所述第三子像素可以分别为G子像素(绿色子像素)、B子像素(蓝色子像素)、R子像素(红色子像素)中的一个。
优选的，所述第三子像素可以为B子像素，第一子像素和所述第二子像素分别为R子像素、G子像素中的一个。
因为R，G，B三色的发光效率和寿命依次是B远小于R，R小于G，因此为了延长使用寿命，作为优选，B子像素的像素面积最大，R子像素次之，G子像素最小，一种情形是第一子像素和第二子像素分别为G子像素、R子像素中的一个，第三子像素为B子像素，且R子像素的像素面积大于G子像素的像素面积，W子像素置于G子像素、B子像素、R子像素组成的整体结构的上侧、下侧、左侧或右侧。
例如，如图5、图6、图7、图8所示，第一子像素为R子像素，第二子像素为G子像素，第三子像素为B子像素，W子像素分别置于R子像素、G子像素、B子像素组成的整体结构的上侧、下侧、左侧或右侧。
本发明的一些实施例中，第一子像素为R子像素，第二子像素为G子像素，第三子像素为B子像素时，所述R子像素和G子像素的组合还可以与所述W子像素相邻，且所述R子像素和所述G子像素组合后的长度与所述W子像素的长度相同，其中R子像素的像素面积大于G子像素的像素面积，所述B子像素置于所述R子像素、所述G子像素、W子像素组成的整体结构的上侧、下侧、左侧或右侧。如图9，B子像素置于所述R子像素、所述G子像素、W子像素组成的整体结构的下侧，此处不作限定。
本发明的一些实施例中，第一子像素为R子像素，第二子像素为G子像素，第三子像素为B子像素时，所述B子像素与所述W子像素在长边侧相邻，所述R子像素和所述G子像素组合后，置于所述B子像素和所述W子像素组合后的整体结构的上侧、下侧、左侧或右侧。如图10所示，所述R子像素和所述G子像素组合结构，置于所述B子像素和所述W子像素组合结构的左侧此处不作限定。
可以理解的是，第一子像素和第二子像素还可以分别为G子像素、B子 像素中的一个，第三子像素为R子像素，W子像素分别置于第一子像素、所述第二子像素、第三子像素组成的整体结构的上侧、下侧、左侧或右侧。第一子像素为B子像素，第二子像素为G子像素，第三子像素为R子像素，白色子像素置于G子像素、B子像素、R子像素组成的整体结构的下侧。
第一子像素和所述第二子像素还可以分别为R子像素、B子像素中的一个，第三子像素为G子像素，W子像素分别置于所述第一子像素、所述第二子像素、第三子像素组成的整体结构的上侧、下侧、左侧或右侧。第一子像素为B子像素，第二子像素为R子像素，第三子像素为G子像素，白色子像素置于G子像素、B子像素、R子像素组成的整体结构的上侧。
本发明实施例中，所述第一子像素和所述第二子像素、所述第三子像素还可以是除了R子像素、G子像素和B子像素外的其他颜色的子像素，例如Yellow子像素(黄色子像素)、Cyan子像素(青色子像素)、Purple子像素(紫色子像素)等，此处不作限定。
本发明实施例中，由多个上述四元型像素构成的整个显示面板，如OLED面板，具有多种排布方式，例如，整个显示面板中多个四元型像素中各四元型像素结构相同，如图11、图12、图13所示，多个四元型像素中的白色子像素均按一个相同方向朝向，如向上、向下、向左等，在实际应用中，整个显示面板中多个四元型像素中各四元型像素也可以不相同，采用上述实施例中描述的多种四元型像素排布组合，例如，如图14所示，两个白色子像素在左侧的四元型像素和两个白色子像素在右侧的四元型像素排布组合形成整个显示面板。因为实际制作过程中，子像素发光面积都会小于子像素面积，即实际的显示面板蒸镀区域只占子像素区域的一部分，如图15所示，为与图11所对应的子像素Mask的排布方式示意图。
需要说明的是，图11至图14所示的显示面板，仅是当四元型像素结构如下时的实施例：第一子像素和第二子像素分别为G子像素、R子像素中的一个，第三子像素为B子像素，且R子像素的像素面积大于G子像素的像素面积，W子像素置于G子像素、B子像素、R子像素组成的整体结构的下侧。可以理解的是，当四元型像素为前述其他结构时，仍然适用，例如前述多种不同结构的四元型像素经各种排布方式组成本发明实施例中显示面板，此处不作限定。
本发明实施例显示面板中，第一子像素、第二子像素，第三子像素，W子像素可以共用一个阴极或阳极电源，例如，如图16所示，当第一子像素、第二子像素，第三子像素分别为R子像素、G子像素、B子像素时，R子像素、G子像素、B子像素，W子像素共用一个阳极电源，图中，Vanode为阳极电压，Vcathode为阴极电压，阳极电源可以采用图中所示的电源电路，也可以采用其他阳极电源电路，此处不作限定。
由于白色子像素比其他颜色的子像素功耗低，白色子像素跟其他子像素一样供电，会增加功耗，因此，作为优选，本发明实施例中还可以将第一子像素、第二子像素，第三子像素共用一个阴极或阳极电源，W子像素采用一个单独的阴极或阳极电源，以降低功耗，例如，如图17所示，当第一子像素、第二子像素，第三子像素分别为R子像素、G子像素、B子像素时，R子像素、G子像素、B子像素共用一个阳极电源，W子像素单独用一个阳极电源，图中，Vanode为阳极电压，Vcathode为阴极电压，阳极电源可以采用图中所示的电源电路，也可以采用其他阳极电源电路，此处不作限定。
以上所述，以上实施例仅用以说明本发明的技术方案，而非对其限制；尽管参照前述实施例对本发明进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本发明各实施例技术方案的精神和范围。

Claims (10)

  1. 一种显示面板，其特征在于，包括多个四元型像素，所述四元型像素包括W子像素，以及颜色互不相同的第一子像素，第二子像素，第三子像素；
    所述第一子像素与所述第二子像素相邻且位于所述第二子像素上方，所述第一子像素和所述第二子像素宽度相同，所述第一子像素和第二子像素的组合，与所述第三子像素、所述W子像素组成所述四元型像素，其中，第一子像素、第二子像素的像素面积小于所述第三子像素、所述W子像素的像素面积。
  2. 根据权利要求1所述的显示面板，其特征在于，所述第一子像素和第二子像素的组合与所述第三子像素相邻，且所述第一子像素和所述第二子像素组合后的长度与所述第三子像素的长度相同，所述W子像素置于所述第一子像素、所述第二子像素、第三子像素组成的整体结构的上侧、下侧、左侧或右侧。
  3. 根据权利要求1所述的显示面板，其特征在于，所述第一子像素和第二子像素的组合与所述W子像素相邻，且所述第一子像素和所述第二子像素组合后的长度与所述W子像素的长度相同，所述第三子像素置于所述第一子像素、所述第二子像素、W子像素组成的整体结构的上侧、下侧、左侧或右侧。
  4. 根据权利要求1所述的显示面板，其特征在于，所述第三子像素与所述W子像素横向设置，所述第三子像素与所述W子像素在长边侧相邻，所述第一子像素和所述第二子像素组合后，置于所述第三子像素和所述W子像素组合后的整体结构的上侧、下侧、左侧或右侧。
  5. 根据所述1至4中任一所述的显示面板，其特征在于，所述第三子像素为B子像素，第一子像素和所述第二子像素分别为R子像素、G子像素中的一个。
  6. 根据权利要求5所述的显示面板，其特征在于，所述第一子像素为R子像素、所述第二子像素为G子像素，且R子像素的像素面积大于G子像素的像素面积。
  7. 根据权利要求5所述的显示面板，其特征在于，所述第一子像素为G子像素、所述第二子像素为R子像素，且R子像素的像素面积大于G子像素 的像素面积。
  8. 根据权利要求5至7中任一所述的显示面板，其特征在于，在所述四元型像素中，所述R子像素，G子像素，B子像素，W子像素采用一个共阴极电源或共阳极电源。
  9. 根据权利要求5至7中任一所述的显示面板，其特征在于，在所述四元型像素中，所述R子像素，G子像素，B子像素采用一个共阴极电源或共阳极电源，所述W子像素采用另一个阴极电源或阳极电源。
  10. 根据权利要求1至9中任一所述的显示面板，其特征在于，所述多个四元型像素中各四元型像素结构相同。
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