WO2020098129A1 - 显示面板 - Google Patents

显示面板 Download PDF

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Publication number
WO2020098129A1
WO2020098129A1 PCT/CN2019/070080 CN2019070080W WO2020098129A1 WO 2020098129 A1 WO2020098129 A1 WO 2020098129A1 CN 2019070080 W CN2019070080 W CN 2019070080W WO 2020098129 A1 WO2020098129 A1 WO 2020098129A1
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WO
WIPO (PCT)
Prior art keywords
pixel
sub
white
white sub
display panel
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/CN2019/070080
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English (en)
French (fr)
Inventor
柳铭岗
陈书志
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.)
Shenzhen China Star Optoelectronics Semiconductor Display Technology Co Ltd
Original Assignee
Shenzhen China Star Optoelectronics Semiconductor Display Technology Co Ltd
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Filing date
Publication date
Application filed by Shenzhen China Star Optoelectronics Semiconductor Display Technology Co Ltd filed Critical Shenzhen China Star Optoelectronics Semiconductor Display Technology Co Ltd
Publication of WO2020098129A1 publication Critical patent/WO2020098129A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1343—Electrodes
    • G02F1/134309—Electrodes characterised by their geometrical arrangement
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
    • G02F1/1362—Active matrix addressed cells

Definitions

  • the present disclosure relates to a display panel, and particularly to a display panel of a transparent display.
  • the transparent display has a simple structure, is convenient to install and has no space limitation, and can be applied to handheld devices, merchandise windows, and the like.
  • FIG. 1 shows a schematic diagram of a display panel 10 for a transparent display in the prior art.
  • the display panel 10 uses color filters arranged in four colors of R (red), G (green), B (blue), and W (white), in which white pixels W are added to increase the transparency of the transparent liquid crystal display.
  • R red
  • G green
  • B blue
  • W white
  • an object of the present disclosure is to provide a display panel of a transparent display, which improves the transmittance of the transparent liquid crystal display by changing the display panel.
  • the present disclosure provides a display panel, including: a plurality of scan lines; a plurality of data lines that intersect with the corresponding scan lines; a plurality of pixel units defined by the intersection of the scan lines and the corresponding data lines, and wherein A pixel unit includes: a color sub-pixel and a white sub-pixel, wherein the color sub-pixel is used to provide a color picture, and the white sub-pixel is used to provide a white picture, wherein the plurality of pixel units include: red pixels The unit includes: a red sub-pixel to provide red light and a first white sub-pixel; a blue pixel unit includes: a blue sub-pixel to provide blue light and a second white sub-pixel; and a green pixel unit , Adjacent to the red pixel unit and the blue pixel unit, including: a green sub-pixel to provide green light, wherein the green pixel unit does not include a white sub-pixel to provide a white picture; and A plurality of active elements are electrically connected to the
  • two adjacent scan lines are defined as a group of scan lines, and an area formed by the intersection of two adjacent scan lines and two adjacent data lines defines the pixel unit In each pixel unit, the color sub-pixel and the white sub-pixel are electrically connected to the same data line through one of the active elements.
  • the two adjacent data lines are defined as a set of data lines, and the area formed by the intersection of the two adjacent sets of data lines and the two adjacent scan lines defines the pixel unit In each pixel unit, the color sub-pixel and the white sub-pixel are respectively electrically connected to two adjacent scanning lines through one of the active elements.
  • the color sub-pixel includes a first pixel electrode
  • the white sub-pixel includes a second pixel electrode, wherein the first pixel electrode and the second pixel electrode have a multi-domain structure.
  • the multi-domain structure is four domains.
  • both the first pixel electrode and the second pixel electrode include a trunk electrode and a plurality of strip-shaped branch electrodes, wherein the trunk electrode is a cross shape, and the strip-shaped branch One end of the electrode is connected to the stem electrode, the other end extends away from the stem electrode, and there is a gap between the two strip-shaped branch electrodes.
  • the present disclosure also provides a display panel, including: a plurality of scan lines; a plurality of data lines that intersect the corresponding scan lines; a plurality of pixel units defined by the intersection of the scan lines and the corresponding data lines, and one of the pixel units includes : Color sub-pixels and white sub-pixels, wherein the color sub-pixels are used to provide color pictures, and the white sub-pixels are used to provide white pictures; and a plurality of active elements are electrically connected to the scan lines and the data lines And corresponding pixel units are used to control the color sub-pixel and the white sub-pixel, respectively.
  • two adjacent scan lines are defined as a group of scan lines, and an area formed by the intersection of two adjacent scan lines and two adjacent data lines defines the pixel unit In each pixel unit, the color sub-pixel and the white sub-pixel are electrically connected to the same data line through one of the active elements.
  • the two adjacent data lines are defined as a set of data lines, and the area formed by the intersection of the two adjacent sets of data lines and the two adjacent scan lines defines the pixel unit In each pixel unit, the color sub-pixel and the white sub-pixel are respectively electrically connected to two adjacent scanning lines through one of the active elements.
  • the plurality of pixel units include: a red pixel unit, including: a red sub-pixel to provide red light, and a first white sub-pixel; a blue pixel unit, including: blue The sub-pixel is used to provide blue light and a second white sub-pixel; and the green pixel unit is disposed adjacent to the red pixel unit and the blue pixel unit, including: a green sub-pixel to provide green light, And a third white sub-pixel, wherein in one of the pixel units, the area of the white sub-pixel accounts for 5% to 50% of the total area of the white sub-pixel and the color sub-pixel.
  • the plurality of pixel units include: a red pixel unit, including: a red sub-pixel to provide red light, and a first white sub-pixel; a blue pixel unit, including: blue The sub-pixel is used to provide blue light and a second white sub-pixel; and the green pixel unit is disposed adjacent to the red pixel unit and the blue pixel unit, including: a green sub-pixel to provide green light, The green pixel unit does not include white sub-pixels to provide a white picture.
  • the area of the green sub-pixel is equal to the sum of the areas of the red sub-pixel and the first white sub-pixel.
  • the ratio of the area of the first white sub-pixel to the sum of the areas of the first white sub-pixel and the red sub-pixel is smaller than the area of the second white sub-pixel The ratio of the sum of the areas of the second white sub-pixel and the blue sub-pixel.
  • the color sub-pixel includes a first pixel electrode
  • the white sub-pixel includes a second pixel electrode, wherein the first pixel electrode and the second pixel electrode have a multi-domain structure.
  • the multi-domain structure is four domains.
  • both the first pixel electrode and the second pixel electrode include a trunk electrode and a plurality of strip-shaped branch electrodes, wherein the trunk electrode is a cross shape, and the strip-shaped branch One end of the electrode is connected to the stem electrode, the other end extends away from the stem electrode, and there is a gap between the two strip-shaped branch electrodes.
  • the present disclosure improves the transmittance of the transparent liquid crystal display by providing color sub-pixels and white sub-pixels in a single pixel unit and driving them with independent active elements. Furthermore, by changing the proportion of the area occupied by the white sub-pixels in different color sub-pixels, the color performance of the display can be effectively improved.
  • FIG. 1 shows a schematic diagram of a display panel used for a transparent display in the prior art.
  • FIG. 2 shows a schematic diagram of a display panel according to the first preferred embodiment of the present disclosure.
  • FIG. 3 shows a schematic diagram of pixel electrodes of the display panel of FIG. 2.
  • FIG. 4 shows a schematic diagram of a display panel according to the second preferred embodiment of the present disclosure.
  • FIG. 5 shows a schematic diagram of a display panel according to the third preferred embodiment of the present disclosure.
  • FIG. 2 shows a schematic diagram of a display panel 20 according to the first preferred embodiment of the present disclosure.
  • the display panel 20 is applied in a transparent display.
  • the transparent display includes an active matrix substrate and a pair of opposed substrates facing the active matrix substrate, and a liquid crystal layer sandwiched between the two substrates, wherein the display panel 20 is formed on the active matrix substrate.
  • Transparent display can use vertical alignment (Vertical Alignment, VA), planar switch (In-Plane Switching (IPS), fringe field switching (Fringe Liquid crystal display technologies such as Field Switching (FFS) and Twisted Nematic (TN) can also be applied to horizontal pixel technologies such as Tri-gate drive architecture, but not limited to this.
  • VA Vertical Alignment
  • IPS In-Plane Switching
  • FFS Field Switching
  • TN Twisted Nematic
  • the display panel 20 includes a plurality of scan lines G1-G6, a plurality of data lines D1-D5, a plurality of pixel units P1-P3, and a plurality of active elements T1-T6.
  • Several scan lines G1-G6 intersect several data lines D1-D5.
  • the pixel units P1-P3 are defined by the intersection of the scanning lines G1-G6 and the corresponding data lines D1-D5, and each pixel unit P1-P3 is located between two adjacent scanning lines and two adjacent data lines.
  • the active elements T1-T6 are electrically connected to the corresponding scan lines, data lines, and pixel units.
  • the pixel units P1-P3 include color sub-pixels R, G, B and white sub-pixels W1-W3, respectively.
  • the color sub-pixels R, G, B are used to provide a color picture
  • the white sub-pixels W1-W3 are used to provide a white picture.
  • the pixel unit includes a plurality of red pixel units P1, a plurality of blue pixel units P2, and a plurality of green pixel units P3, of which three pixels are the red pixel unit P1, the blue pixel unit P2, and the green pixel unit P3
  • the unit is a set of continuous arrangement.
  • the red pixel unit P1 includes a red sub-pixel R and a first white sub-pixel W1, wherein the image signal supplied from the red sub-pixel R to the transparent display includes red luminance information, and the image signal supplied from the first white sub-pixel W1 to the transparent display is Contains white brightness information.
  • the blue pixel unit P2 includes a blue sub-pixel B and a second white sub-pixel W2, wherein the image signal supplied by the blue sub-pixel B to the transparent display includes blue luminance information, and the second white sub-pixel W2 is supplied to the transparent display The image signal contains white brightness information.
  • the green pixel unit P3 includes a green sub-pixel G and a third white sub-pixel W3, wherein the image signal supplied from the green sub-pixel G to the transparent display includes green luminance information, and the image signal supplied from the third white sub-pixel W3 to the transparent display is Contains white brightness information.
  • the green pixel unit P3 is disposed adjacent to the red pixel unit P1 and the blue pixel unit P2, but it is not limited thereto.
  • the white sub-pixels W1-W3 may be made of a white color resist material, or may be made of a transparent material such as PFA or polystyrene (PS).
  • two adjacent scanning lines are defined as a group of scanning lines, for example, the first scanning line G1 and the second scanning line G2 are the first group of scanning lines and the third scanning line.
  • the line G3 and the fourth scan line G4 are the second group of scan lines, and the fifth scan line G5 and the sixth scan line G6 are the third group of scan lines.
  • the area formed by the intersection of the adjacent two sets of scan lines and the adjacent two data lines defines the pixel units P1-P3.
  • the red pixel unit P1 is located in the area formed by the intersection of the first set of scan lines, the second set of scan lines, the first data lines D1, and the second data lines D2.
  • the green pixel unit P3 adjacent to the red pixel unit P1 is a region where the first group of scan lines, the second group of scan lines, the second data line D2, and the third data line D3 intersect.
  • the color sub-pixels R, G, B and the corresponding white sub-pixels W1-W3 are each electrically connected to the same data line through one of the active elements.
  • the red sub-pixel R is electrically connected to the first data line D1 through the first active element T1
  • the first white sub-pixel W1 is electrically connected to the same first data line D1 through the second active element T2.
  • the green sub-pixel R is electrically connected to the second data line D2 through the third active element T3
  • the third white sub-pixel W3 is electrically connected to the same second data line D2 through the fourth active element T4.
  • the blue sub-pixel B is electrically connected to the third data line D3 through the fifth active element T5
  • the second white sub-pixel W2 is electrically connected to the same third data line D3 through the sixth active element T6.
  • the color sub-pixels R, G, B and white sub-pixels W1-W3 are each driven by different active elements T1-T6, and with the integrated circuit (IC) and system control and calculation of the display, the white can be controlled independently
  • the brightness of the sub-pixels W1-W3 can further increase the transmittance.
  • the proportion of white sub-pixels W1-W3 is equal, where the proportion of white sub-pixels W1-W3 may be 5% -50%.
  • the ratio of the area of the first white sub-pixel W1 to the sum of the areas of the first white sub-pixel W1 and the red sub-pixel R is equal to the area of the second white sub-pixel W2 to the second white
  • the ratio of the total area of the sub-pixel W2 and the blue sub-pixel B is equal to the ratio of the area of the third white sub-pixel W3 to the total area of the third white sub-pixel W3 and the green sub-pixel G.
  • the present disclosure provides color active sub-pixels R, G, B and white sub-pixels W1-W3 in a single pixel unit, and uses an independent active element T1- Driven by T6, it can not only improve the transparency of the transparent liquid crystal display, but also make the liquid crystal display show the best color performance, that is, it has better color saturation.
  • FIG. 3 shows a schematic diagram of the pixel electrode 21 of the display panel of FIG. 2.
  • the color sub-pixels R, G, B respectively include a first pixel electrode E1, and the white sub-pixels W1-W3 include a second pixel electrode E2, wherein the first pixel electrode E1 and the second pixel electrode E2 have a multi-domain structure.
  • both the first pixel electrode E1 and the second pixel electrode E2 include a trunk electrode and a plurality of strip-shaped branch electrodes.
  • the first pixel electrode E1 of the red sub-pixel R will be used as an example for description.
  • the first pixel electrode E1 of the red sub-pixel R includes a trunk electrode 211 and a plurality of strip-shaped branch electrodes 212.
  • the trunk electrode 211 has a cross shape, and the strip-shaped branch electrodes 212 are distributed in the four areas divided by the trunk electrode 211.
  • One end of the strip-shaped branch electrode 212 is connected to the trunk electrode 211, and the other end extends in a direction away from the trunk electrode 211, and there is a gap between the two strip-shaped branch electrodes 212. Therefore, in the first preferred embodiment, the multi-domain structure is four domains.
  • an eight-domain design will be adopted in a single pixel unit P1-P3, in which the color sub-pixels R, G, and B each use four domains, and the white sub-pixels W1-W3 also use four domains.
  • the effect of compensating the pixel viewing angle can be effectively achieved.
  • FIG. 4 is a schematic diagram of a display panel 30 according to a second preferred embodiment of the present disclosure.
  • the display panel 30 includes a plurality of scan lines G1-G3, a plurality of data lines D1-D10, a plurality of pixel units P1-P3, and a plurality of active elements.
  • Several scan lines G1-G3 intersect several data lines D1-D10.
  • the pixel units P1-P3 are defined by the intersection of the scanning lines G1-G3 and the corresponding data lines D1-D10, and each pixel unit P1-P3 is located between two adjacent scanning lines and two adjacent data lines.
  • the active element is electrically connected to the corresponding scan line, data line, and pixel unit.
  • the display panel 30 of the second preferred embodiment of the present disclosure is substantially the same as the display panel 20 of the first preferred embodiment, and the difference between the two is that the display panel 30 of the second preferred embodiment uses different scan line and data line designs, specific description as follows. In addition, portions of the display panel 30 of the second preferred embodiment that are the same as the display panel 20 of the first preferred embodiment will not be repeated here.
  • two adjacent data lines are defined as a group of data lines, for example, the first data line D1 and the second data line D2 are the first group of data lines and the third data Line D3 and fourth data line D4 are the second set of data lines, fifth data line D5 and sixth data line D6 are the third set of data lines, and so on.
  • the area formed by the intersection of two adjacent sets of data lines and two adjacent scan lines defines pixel units P1-P3.
  • the red pixel unit P1 is located in the area formed by the intersection of the first set of data lines, the second set of data lines, the first scan line G1, and the second scan line G2.
  • the green pixel unit P3 adjacent to the red pixel unit P1 is an area formed by the intersection of the second group of data lines, the third group of data lines, the first scan line G1, and the second scan line G2.
  • the color sub-pixels R, G, B and the white sub-pixels W1-W3 are each electrically connected to two adjacent scan lines through one of the active elements .
  • the red sub-pixel R is electrically connected to the second scan line G2 through the active element
  • the first white sub-pixel W1 is electrically connected to the adjacent first scan line G1 through the active element.
  • the green sub-pixel R is electrically connected to the second scan line G2 through the active element
  • the third white sub-pixel W3 is electrically connected to the adjacent first scan line G1 through the active element.
  • the blue sub-pixel B is electrically connected to the second scan line G2 through the active element
  • the second white sub-pixel W2 is electrically connected to the adjacent first scan line G1 through the active element.
  • the color sub-pixels R, G, B and the white sub-pixels W1-W3 are driven by different active components, and with the integrated circuit (IC) and system control and calculation of the display, the white sub-pixel W1 can be independently controlled -The brightness of W3 can further improve the penetration rate.
  • FIG. 5 shows a schematic diagram of a display panel 40 according to a third preferred embodiment of the present disclosure.
  • the display panel 40 includes a plurality of scan lines G1-G3, a plurality of data lines D1-D10, a plurality of pixel units P1-P3, and a plurality of active elements.
  • Several scan lines G1-G3 intersect several data lines D1-D10.
  • the pixel units P1-P3 are defined by the intersection of the scanning lines G1-G3 and the corresponding data lines D1-D10, and each pixel unit P1-P3 is located between two adjacent scanning lines and two adjacent data lines.
  • the active element is electrically connected to the corresponding scan line, data line, and pixel unit.
  • the display panel 40 of the third preferred embodiment of the present disclosure is substantially the same as the display panel 30 of the second preferred embodiment, the difference between the two is that the white sub-pixels of the pixel unit of the display panel 40 of the third preferred embodiment have different areas, The details are as follows. In addition, portions of the display panel 40 of the third preferred embodiment that are the same as the display panel 30 of the second preferred embodiment will not be repeated here.
  • the pixel units P1-P3 include color sub-pixels R, G, B and white sub-pixels W1-W3.
  • the color sub-pixels R, G, B are used to provide a color picture
  • the white sub-pixels W1-W3 are used to provide a white picture.
  • the pixel unit includes a plurality of red pixel units P1, a plurality of blue pixel units P2, and a plurality of green pixel units P3, of which three pixels are the red pixel unit P1, the blue pixel unit P2, and the green pixel unit P3
  • the unit is a set of continuous arrangement.
  • the red pixel unit P1 includes a red sub-pixel R and a first white sub-pixel W1.
  • the blue pixel unit P2 includes a blue sub-pixel B and a second white sub-pixel W2.
  • the green pixel unit P3 includes a green sub-pixel G.
  • the area of the white sub-pixel accounts for 0% to 50% of the total area of the white sub-pixel and the color sub-pixel. Since the green pixel unit P3 does not include white sub-pixels to provide a white screen, in the green pixel unit P3, the ratio of the area of the white sub-pixel to the area of the green sub-pixel G is 0%.
  • the area of the green sub-pixel G is equal to the sum of the areas of the red sub-pixel R and the first white sub-pixel W1.
  • the ratio of the area of the first white sub-pixel W1 to the total area of the first white sub-pixel W1 and the red sub-pixel R is smaller than the area of the second white sub-pixel W2 to the second white sub-pixel W2 and blue sub-pixel The ratio of the total area of B. Comparing the transmittance of the green sub-pixel G, the red sub-pixel R, and the blue sub-pixel B, the green sub-pixel G is higher, the red sub-pixel R is the second, and the blue sub-pixel B is the last. Therefore, in the third preferred embodiment, by making the white sub-pixels of the pixel unit of the display panel 40 have different areas, the color expression presented by the display can be effectively improved.
  • the present disclosure improves the transmittance of transparent liquid crystal displays by providing color sub-pixels and white sub-pixels in a single pixel unit and driving them with independent active elements. Furthermore, by changing the proportion of the area occupied by the white sub-pixels in different color sub-pixels, the color performance of the display can be effectively improved.

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Abstract

本揭示提供一种显示面板，包含：若干扫描线；若干数据线，与相应的扫描线相交；多个像素单元，由所述扫描线与相应的数据线相交限定，且其中一所述像素单元包括：彩色次像素和白色次像素，其中所述彩色次像素用以提供彩色画面，以及所述白色次像素用以提供白色画面；以及多个主动元件，电连接所述扫描线、所述数据线、和对应的像素单元，分别用以控制所述彩色次像素和所述白色次像素。

Description

显示面板 技术领域
本揭示涉及一种显示面板，特别是涉及一种透明显示器的显示面板。
 背景技术
透明显示器除了可显示影像外，使用者还可透过显示面板观测到其后方的影像。透明显示器结构简单、安装便利且较无空间限制，可被应用于手持式装置、商品橱窗等。
在传统显示器中，背光通过偏光片、色阻、液晶等各个结构层后，透射光只剩下5%至10%。透明显示器的光穿透率必须达到10%以上，然而，由于液晶显示器必须搭配偏光膜与彩色滤光片，在穿透率上有其限制。因此，光穿透率低为透明显示器亟待克服的问题。为了提高透明显示器的光穿透率，目前的研究方向多在显示面板的改善。请参照图1，其显示一种现有技术中用于透明显示器的显示面板10的示意图。显示面板10采用R(红)G(绿)B(蓝)W(白)四色排列的彩色滤光片，其中通过增加白色像素W来提高透明液晶显示器的穿透率。然而，现有技术中穿透率的提升幅度有限，并且会造成色彩表现的下降。
有鉴于此，有必要提出一种透明显示器的显示面板，以解决现有技术中存在的问题。
 技术问题
为解决上述现有技术的问题，本揭示的目的在于提供一种透明显示器的显示面板，其通过改变显示面板以提高透明液晶显示器的穿透率。
 技术解决方案
为达成上述目的，本揭示提供一种显示面板，包含：若干扫描线；若干数据线，与相应的扫描线相交；多个像素单元，由所述扫描线与相应的数据线相交限定，且其中一所述像素单元包括：彩色次像素和白色次像素，其中所述彩色次像素用以提供彩色画面，以及所述白色次像素用以提供白色画面，其中所述多个像素单元包含：红色像素单元，包括：红色次像素，用以提供红色光，以及第一白色次像素；蓝色像素单元，包括：蓝色次像素，用以提供蓝色光，以及第二白色次像素；以及绿色像素单元，与所述红色像素单元和所述蓝色像素单元相邻设置，包括：绿色次像素，用以提供绿色光，其中所述绿色像素单元内不包含用以提供白色画面的白色次像素；以及多个主动元件，电连接所述扫描线、所述数据线、和对应的像素单元，分别用以控制所述彩色次像素和所述白色次像素；其中所述绿色次像素的面积等于所述红色次像素与第一白色次像素的面积的总和；以及其中所述第一白色次像素的面积占所述第一白色次像素与所述红色次像素的面积的总和的比例小于所述第二白色次像素的面积占所述第二白色次像素与所述蓝色次像素的面积的总和的比例。
本揭示其中之一优选实施例中，相邻的两条所述扫描线定义为一组扫描线，相邻的两组扫描线与相邻的两条数据线相交构成的区域定义所述像素单元，每一所述像素单元中，所述彩色次像素和所述白色次像素各自通过其中一主动元件电连接到同一数据线。
本揭示其中之一优选实施例中，相邻的两条所述数据线定义为一组数据线，相邻的两组数据线与相邻的两条扫描线相交构成的区域定义所述像素单元，每一所述像素单元中，所述彩色次像素和所述白色次像素各自通过其中一主动元件分别电连接到相邻的两条扫描线。
本揭示其中之一优选实施例中，所述彩色次像素包含第一像素电极，和白色次像素包含第二像素电极，其中所述第一像素电极和所述第二像素电极具有多域结构。
本揭示其中之一优选实施例中，所述多域结构为四域。
本揭示其中之一优选实施例中，所述第一像素电极和所述第二像素电极皆包括主干电极和多个条状分支电极，其中所述主干电极为十字型，以及所述条状分支电极一端与所述主干电极连接，另一端朝远离所述主干电极的方向延伸，且两个条状分支电极之间具有间隙。
本揭示还提供一种显示面板，包含：若干扫描线；若干数据线，与相应的扫描线相交；多个像素单元，由所述扫描线与相应的数据线相交限定，且其中一像素单元包括：彩色次像素和白色次像素，其中所述彩色次像素用以提供彩色画面，以及所述白色次像素用以提供白色画面；以及多个主动元件，电连接所述扫描线、所述数据线、和对应的像素单元，分别用以控制所述彩色次像素和所述白色次像素。
本揭示其中之一优选实施例中，相邻的两条所述扫描线定义为一组扫描线，相邻的两组扫描线与相邻的两条数据线相交构成的区域定义所述像素单元，每一所述像素单元中，所述彩色次像素和所述白色次像素各自通过其中一主动元件电连接到同一数据线。
本揭示其中之一优选实施例中，相邻的两条所述数据线定义为一组数据线，相邻的两组数据线与相邻的两条扫描线相交构成的区域定义所述像素单元，每一所述像素单元中，所述彩色次像素和所述白色次像素各自通过其中一主动元件分别电连接到相邻的两条扫描线。
本揭示其中之一优选实施例中，所述多个像素单元包含：红色像素单元，包括：红色次像素，用以提供红色光，以及第一白色次像素；蓝色像素单元，包括：蓝色次像素，用以提供蓝色光，以及第二白色次像素；以及绿色像素单元，与所述红色像素单元和所述蓝色像素单元相邻设置，包括：绿色次像素，用以提供绿色光，以及第三白色次像素，其中在其中一像素单元内，所述白色次像素的面积占所述白色次像素与彩色次像素的面积的总和的5%至50%。
本揭示其中之一优选实施例中，所述多个像素单元包含：红色像素单元，包括：红色次像素，用以提供红色光，以及第一白色次像素；蓝色像素单元，包括：蓝色次像素，用以提供蓝色光，以及第二白色次像素；以及绿色像素单元，与所述红色像素单元和所述蓝色像素单元相邻设置，包括：绿色次像素，用以提供绿色光，其中所述绿色像素单元内不包含用以提供白色画面的白色次像素。
本揭示其中之一优选实施例中，所述绿色次像素的面积等于所述红色次像素与第一白色次像素的面积的总和。
本揭示其中之一优选实施例中，所述第一白色次像素的面积占所述第一白色次像素与所述红色次像素的面积的总和的比例小于所述第二白色次像素的面积占所述第二白色次像素与所述蓝色次像素的面积的总和的比例。
本揭示其中之一优选实施例中，所述彩色次像素包含第一像素电极，和白色次像素包含第二像素电极，其中所述第一像素电极和所述第二像素电极具有多域结构。
本揭示其中之一优选实施例中，所述多域结构为四域。
本揭示其中之一优选实施例中，所述第一像素电极和所述第二像素电极皆包括主干电极和多个条状分支电极，其中所述主干电极为十字型，以及所述条状分支电极一端与所述主干电极连接，另一端朝远离所述主干电极的方向延伸，且两个条状分支电极之间具有间隙。
 有益效果
相较于先前技术，本揭示通过在单一像素单元内设置彩色次像素和白色次像素，并以独立的主动元件进行驱动，进而提高透明液晶显示器的穿透率。再者，通果改变白色次像素在不同的彩色次像素内所占有的面积的比例，进而有效地提高显示器呈现的色彩表现。
 附图说明
图1显示一种现有技术中用于透明显示器的显示面板的示意图。
图2显示一种根据本揭示第一优选实施例的显示面板的示意图。
图3显示图2的显示面板的像素电极的示意图。
图4显示一种根据本揭示第二优选实施例的显示面板的示意图。
图5显示一种根据本揭示第三优选实施例的显示面板的示意图。
 本发明的实施方式
为了让本揭示的上述及其他目的、特征、优点能更明显易懂，下文将特举本揭示优选实施例，并配合所附图式，作详细说明如下。
请参照图2，其显示一种根据本揭示第一优选实施例的显示面板20的示意图。优选地，显示面板20是应用在透明显示器中。透明显示器除了可显示影像外，使用者还可透过显示面板观测到其后方的影像。透明显示器包含有源矩阵基板和与有源矩阵基板对置的一对置基板，以及夹在两个基板之间的液晶层，其中显示面板20是形成在有源矩阵基板上。透明显示器可采用垂直对齐 (Vertical Alignment，VA)、平面开关(In-Plane Switching，IPS)、边缘场开关(Fringe Field Switching，FFS)、扭转式向列(Twisted Nematic，TN)等液晶显示技术，也可以应用于Tri-gate驱动架构等横向像素技术，不局限于此。
如图2所示，显示面板20包含若干扫描线G1-G6、若干数据线D1-D5、多个像素单元P1-P3、多个主动元件T1-T6。若干扫描线G1-G6与若干数据线D1-D5相交。像素单元P1-P3由扫描线G1-G6与相应的数据线D1-D5相交限定，且每一像素单元P1-P3位在相邻的两条扫描线和相邻的两条数据线之间。主动元件T1-T6电连接对应的扫描线、数据线、和像素单元。
如图2所示，像素单元P1-P3分别包括彩色次像素R、G、B和白色次像素W1-W3。彩色次像素R、G、B用以提供彩色画面，以及白色次像素W1-W3用以提供白色画面。具体来说，像素单元包含多个红色像素单元P1、多个蓝色像素单元P2、和多个绿色像素单元P3，其中红色像素单元P1、蓝色像素单元P2、和绿色像素单元P3三个像素单元为一组连续排列设置。红色像素单元P1包含红色次像素R和第一白色次像素W1，其中红色次像素R供应至透明显示器的图像信号是包含红色亮度信息，以及第一白色次像素W1供应至透明显示器的图像信号是包含白色亮度信息。蓝色像素单元P2包含蓝色次像素B和第二白色次像素W2，其中蓝色次像素B供应至透明显示器的图像信号是包含蓝色亮度信息，以及第二白色次像素W2供应至透明显示器的图像信号是包含白色亮度信息。绿色像素单元P3包含绿色次像素G和第三白色次像素W3，其中绿色次像素G供应至透明显示器的图像信号是包含绿色亮度信息，以及第三白色次像素W3供应至透明显示器的图像信号是包含白色亮度信息。在第一优选实施例中，绿色像素单元P3与红色像素单元P1和蓝色像素单元P2相邻设置，惟不局限于此。应当理解的是，白色次像素W1-W3可通过白色色阻材料制成，也可以通过PFA或聚苯乙烯(PS)等透明材料制成。
如图2所示，在第一优选实施例中，相邻的两条扫描线定义为一组扫描线，例如第一扫描线G1和第二扫描线G2为第一组扫描线、第三扫描线G3和第四扫描线G4为第二组扫描线、和第五扫描线G5和第六扫描线G6为第三组扫描线。相邻的两组扫描线与相邻的两条数据线相交构成的区域定义像素单元P1-P3。举例来说，红色像素单元P1是位在第一组扫描线、第二组扫描线、第一数据线D1、和第二数据线D2相交构成的区域。又，与红色像素单元P1相邻的绿色像素单元P3是位在第一组扫描线、第二组扫描线、第二数据线D2、和第三数据线D3相交构成的区域。
如图2所示，依序排列的三个像素单元P1-P3中，彩色次像素R、G、B和对应的白色次像素W1-W3各自通过其中一主动元件电连接到同一数据线。具体来说，红色次像素R通过第一主动元件T1电连接到第一数据线D1，以及第一白色次像素W1通过第二主动元件T2电连接到相同的第一数据线D1。又，绿色次像素R通过第三主动元件T3电连接到第二数据线D2，以及第三白色次像素W3通过第四主动元件T4电连接到相同的第二数据线D2。又，蓝色次像素B通过第五主动元件T5电连接到第三数据线D3，以及第二白色次像素W2通过第六主动元件T6电连接到相同的第三数据线D3。藉此设计，彩色次像素R、G、B和白色次像素W1-W3各自通过不同的主动元件T1-T6驱动，搭配显示器的集成电路(IC)和系统的控制和演算，可分别独立控制白色次像素W1-W3的亮度，进而可以起到提高穿透率的效果。
如图2所示，在三个像素单元P1-P3中白色次像素W1-W3比例相等，其中白色次像素W1-W3所占的比例可为5%-50%。具体来说，第一白色次像素W1的面积占第一白色次像素W1与红色次像素R的面积的总和(即，空间涵盖率)的比例等于第二白色次像素W2的面积占第二白色次像素W2与蓝色次像素B的面积的总和的比例，且等于第三白色次像素W3的面积占第三白色次像素W3与绿色次像素G的面积的总和的比例。相较于现有技术采用额外独立设置一个白色像素单元的方式，本揭示通过在单一像素单元内设置彩色次像素R、G、B与白色次像素W1-W3，并以独立的主动元件T1-T6进行驱动，不但可以提高透明液晶显示器的穿透率，还可以使液晶显示器呈现最佳的色彩表现，即具有较佳的色彩饱和度。
请参照图3，其显示图2的显示面板的像素电极21的示意图。彩色次像素R、G、B分别包含第一像素电极E1，和白色次像素W1-W3包含第二像素电极E2，其中第一像素电极E1和第二像素电极E2具有多域(domain)结构。具体来说，第一像素电极E1和第二像素电极E2皆包括主干电极和多个条状分支电极。以下使用红色次像素R的第一像素电极E1为例进行说明。红色次像素R的第一像素电极E1包括主干电极211和多个条状分支电极212。主干电极211为十字型，以及条状分支电极212分布在主干电极211划分出来的四个区域。条状分支电极212的一端与主干电极211连接，另一端朝远离主干电极211的方向延伸，且两个条状分支电极212之间具有间隙。因此，在第一优选实施例中，所述多域结构为四域。也就是说，在单一像素单元P1-P3内会采用八域设计，其中彩色次像素R、G、B各自采用四域，白色次像素W1-W3也是采用四域。藉此设计，可有效地起到补偿像素视角的效果。
请参照图4，其显示一种根据本揭示第二优选实施例的显示面板30的示意图。显示面板30包含若干扫描线G1-G3、若干数据线D1-D10、多个像素单元P1-P3、多个主动元件。若干扫描线G1-G3与若干数据线D1-D10相交。像素单元P1-P3由扫描线G1-G3与相应的数据线D1-D10相交限定，且每一像素单元P1-P3位在相邻的两条扫描线和相邻的两条数据线之间。主动元件电连接对应的扫描线、数据线、和像素单元。本揭示第二优选实施例的显示面板30与第一优选实施例的显示面板20大致相同，两者差别在于：第二优选实施例的显示面板30采用不同的扫描线与数据线设计，具体说明如下。另外，第二优选实施例的显示面板30与第一优选实施例的显示面板20相同的部分在此不加以赘述。
如图4所示，在第二优选实施例中，相邻的两条数据线定义为一组数据线，例如第一数据线D1和第二数据线D2为第一组数据线、第三数据线D3和第四数据线D4为第二组数据线、第五数据线D5和第六数据线D6为第三组数据线、以此类推。相邻的两组数据线与相邻的两条扫描线相交构成的区域定义像素单元P1-P3。举例来说，红色像素单元P1是位在第一组数据线、第二组数据线、第一扫描线G1、和第二扫描线G2相交构成的区域。又，与红色像素单元P1相邻的绿色像素单元P3是位在第二组数据线、第三组数据线、第一扫描线G1、和第二扫描线G2相交构成的区域。
如图4所示，依序排列的三个像素单元P1-P3中，彩色次像素R、G、B和白色次像素W1-W3各自通过其中一主动元件电连接到相邻的两条扫描线。具体来说，红色次像素R通过主动元件电连接到第二扫描线G2，以及第一白色次像素W1通过主动元件电连接到相邻的第一扫描线G1。又，绿色次像素R通过主动元件电连接到第二扫描线G2，以及第三白色次像素W3通过主动元件电连接到相邻的第一扫描线G1。又，蓝色次像素B通过主动元件电连接到第二扫描线G2，以及第二白色次像素W2通过主动元件电连接到相邻的第一扫描线G1。藉此设计，彩色次像素R、G、B和白色次像素W1-W3各自通过不同的主动元件驱动，搭配显示器的集成电路(IC)和系统的控制和演算，可分别独立控制白色次像素W1-W3的亮度，进而可以起到提高穿透率的效果。
请参照图5，其显示一种根据本揭示第三优选实施例的显示面板40的示意图。显示面板40包含若干扫描线G1-G3、若干数据线D1-D10、多个像素单元P1-P3、多个主动元件。若干扫描线G1-G3与若干数据线D1-D10相交。像素单元P1-P3由扫描线G1-G3与相应的数据线D1-D10相交限定，且每一像素单元P1-P3位在相邻的两条扫描线和相邻的两条数据线之间。主动元件电连接对应的扫描线、数据线、和像素单元。本揭示第三优选实施例的显示面板40与第二优选实施例的显示面板30大致相同，两者差别在于：第三优选实施例的显示面板40的像素单元的白色次像素具有不同的面积，具体说明如下。另外，第三优选实施例的显示面板40与第二优选实施例的显示面板30相同的部分在此不加以赘述。
如图5所示，像素单元P1-P3包括彩色次像素R、G、B和白色次像素W1-W3。彩色次像素R、G、B用以提供彩色画面，以及白色次像素W1-W3用以提供白色画面。具体来说，像素单元包含多个红色像素单元P1、多个蓝色像素单元P2、和多个绿色像素单元P3，其中红色像素单元P1、蓝色像素单元P2、和绿色像素单元P3三个像素单元为一组连续排列设置。红色像素单元P1包含红色次像素R和第一白色次像素W1。蓝色像素单元P2包含蓝色次像素B和第二白色次像素W2。绿色像素单元P3包含绿色次像素G。
如图5所示，在每一像素单元P1-P3内，白色次像素的面积占白色次像素与彩色次像素的面积的总和的0%至50%。由于绿色像素单元P3内不包含用以提供白色画面的白色次像素，故在绿色像素单元P3中，白色次像素的面积占绿色次像素G的面积的比例为0%。当红色像素单元P1与绿色像素单元P3的尺寸相同时，绿色次像素G的面积等于红色次像素R与第一白色次像素W1的面积的总和。再者，第一白色次像素W1的面积占第一白色次像素W1与红色次像素R的面积的总和的比例小于第二白色次像素W2的面积占第二白色次像素W2与蓝色次像素B的面积的总和的比例。比较绿色次像素G、红色次像素R和蓝色次像素B三者的透过率，绿色次像素G较高、红色次像素R次之、以及蓝色次像素B最末。因此，在第三优选实施例中，通过使显示面板40的像素单元的白色次像素具有不同的面积，可有效地提高显示器呈现的色彩表现。
综上所述，本揭示通过在单一像素单元内设置彩色次像素和白色次像素，并以独立的主动元件进行驱动，进而提高透明液晶显示器的穿透率。再者，通果改变白色次像素在不同的彩色次像素内所占有的面积的比例，进而有效地提高显示器呈现的色彩表现。
以上仅是本揭示的优选实施方式，应当指出，对于所属领域技术人员，在不脱离本揭示原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也应视为本揭示的保护范围。

Claims (16)

  1. 一种显示面板，包含：
    若干扫描线；
    若干数据线，与相应的扫描线相交；
    多个像素单元，由所述扫描线与相应的数据线相交限定，且其中一所述像素单元包括：彩色次像素和白色次像素，其中所述彩色次像素用以提供彩色画面，以及所述白色次像素用以提供白色画面，其中所述多个像素单元包含：
    红色像素单元，包括：红色次像素，用以提供红色光，以及第一白色次像素；
    蓝色像素单元，包括：蓝色次像素，用以提供蓝色光，以及第二白色次像素；以及
    绿色像素单元，与所述红色像素单元和所述蓝色像素单元相邻设置，包括：绿色次像素，用以提供绿色光，其中所述绿色像素单元内不包含用以提供白色画面的白色次像素；以及
    多个主动元件，电连接所述扫描线、所述数据线、和对应的像素单元，分别用以控制所述彩色次像素和所述白色次像素；
    其中所述绿色次像素的面积等于所述红色次像素与第一白色次像素的面积的总和；以及
    其中所述第一白色次像素的面积占所述第一白色次像素与所述红色次像素的面积的总和的比例小于所述第二白色次像素的面积占所述第二白色次像素与所述蓝色次像素的面积的总和的比例。
  2. 如权利要求1的显示面板，其中相邻的两条所述扫描线定义为一组扫描线，相邻的两组扫描线与相邻的两条数据线相交构成的区域定义所述像素单元，每一所述像素单元中，所述彩色次像素和所述白色次像素各自通过其中一主动元件电连接到同一数据线。
  3. 如权利要求1的显示面板，其中相邻的两条所述数据线定义为一组数据线，相邻的两组数据线与相邻的两条扫描线相交构成的区域定义所述像素单元，每一所述像素单元中，所述彩色次像素和所述白色次像素各自通过其中一主动元件分别电连接到相邻的两条扫描线。
  4. 如权利要求1的显示面板，其中所述彩色次像素包含第一像素电极，和白色次像素包含第二像素电极，其中所述第一像素电极和所述第二像素电极具有多域结构。
  5. 如权利要求4的显示面板，其中所述多域结构为四域。
  6. 如权利要求4的显示面板，其中所述第一像素电极和所述第二像素电极皆包括主干电极和多个条状分支电极，其中所述主干电极为十字型，以及所述条状分支电极一端与所述主干电极连接，另一端朝远离所述主干电极的方向延伸，且两个条状分支电极之间具有间隙。
  7. 一种显示面板，包含：
    若干扫描线；
    若干数据线，与相应的扫描线相交；
    多个像素单元，由所述扫描线与相应的数据线相交限定，且其中一所述像素单元包括：彩色次像素和白色次像素，其中所述彩色次像素用以提供彩色画面，以及所述白色次像素用以提供白色画面；以及
    多个主动元件，电连接所述扫描线、所述数据线、和对应的像素单元，分别用以控制所述彩色次像素和所述白色次像素。
  8. 如权利要求7的显示面板，其中相邻的两条所述扫描线定义为一组扫描线，相邻的两组扫描线与相邻的两条数据线相交构成的区域定义所述像素单元，每一所述像素单元中，所述彩色次像素和所述白色次像素各自通过其中一主动元件电连接到同一数据线。
  9. 如权利要求7的显示面板，其中相邻的两条所述数据线定义为一组数据线，相邻的两组数据线与相邻的两条扫描线相交构成的区域定义所述像素单元，每一所述像素单元中，所述彩色次像素和所述白色次像素各自通过其中一主动元件分别电连接到相邻的两条扫描线。
  10. 如权利要求7的显示面板，其中所述多个像素单元包含：
    红色像素单元，包括：红色次像素，用以提供红色光，以及第一白色次像素；
    蓝色像素单元，包括：蓝色次像素，用以提供蓝色光，以及第二白色次像素；以及
    绿色像素单元，与所述红色像素单元和所述蓝色像素单元相邻设置，包括：绿色次像素，用以提供绿色光，以及第三白色次像素，其中在其中一像素单元内，所述白色次像素的面积占所述白色次像素与彩色次像素的面积的总和的5%至50%。
  11. 如权利要求7的显示面板，其中所述多个像素单元包含：
    红色像素单元，包括：红色次像素，用以提供红色光，以及第一白色次像素；
    蓝色像素单元，包括：蓝色次像素，用以提供蓝色光，以及第二白色次像素；以及
    绿色像素单元，与所述红色像素单元和所述蓝色像素单元相邻设置，包括：绿色次像素，用以提供绿色光，其中所述绿色像素单元内不包含用以提供白色画面的白色次像素。
  12. 如权利要求11的显示面板，其中所述绿色次像素的面积等于所述红色次像素与第一白色次像素的面积的总和。
  13. 如权利要求11的显示面板，其中所述第一白色次像素的面积占所述第一白色次像素与所述红色次像素的面积的总和的比例小于所述第二白色次像素的面积占所述第二白色次像素与所述蓝色次像素的面积的总和的比例。
  14. 如权利要求7的显示面板，其中所述彩色次像素包含第一像素电极，和白色次像素包含第二像素电极，其中所述第一像素电极和所述第二像素电极具有多域结构。
  15. 如权利要求14的显示面板，其中所述多域结构为四域。
  16. 如权利要求14的显示面板，其中所述第一像素电极和所述第二像素电极皆包括主干电极和多个条状分支电极，其中所述主干电极为十字型，以及所述条状分支电极一端与所述主干电极连接，另一端朝远离所述主干电极的方向延伸，且两个条状分支电极之间具有间隙。
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