TWI550320B - Pixel structure - Google Patents
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- TWI550320B TWI550320B TW103146540A TW103146540A TWI550320B TW I550320 B TWI550320 B TW I550320B TW 103146540 A TW103146540 A TW 103146540A TW 103146540 A TW103146540 A TW 103146540A TW I550320 B TWI550320 B TW I550320B
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- 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
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- 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
- G02F1/134327—Segmented, e.g. alpha numeric display
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- 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
- G02F1/134336—Matrix
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- 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
- G02F1/134363—Electrodes characterised by their geometrical arrangement for applying an electric field parallel to the substrate, i.e. in-plane switching [IPS]
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- 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
- G02F1/134372—Electrodes characterised by their geometrical arrangement for fringe field switching [FFS] where the common electrode is not patterned
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- Nonlinear Science (AREA)
- Geometry (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Description
本發明是有關於一種畫素結構,且特別是有關於一種有助於改善側視時色偏問題的畫素結構。 The present invention relates to a pixel structure, and more particularly to a pixel structure that contributes to improving the color shift problem in side view.
具有空間利用效率佳、低消耗功率、無輻射等優越特性的液晶顯示器已逐漸成為市場主流。為了讓液晶顯示器有更好的顯示品質,目前市面上發展出了各種廣視角的液晶顯示器,如共平面切換式(in-plane switching,IPS)液晶顯示器、邊際場切換式(fringe field switching)液晶顯示器與多域垂直配向式(multi-domain vertical alignment,MVA)液晶顯示器等。 Liquid crystal displays with superior space utilization efficiency, low power consumption, and no radiation have gradually become mainstream in the market. In order to make the liquid crystal display have better display quality, various wide-angle liquid crystal displays have been developed on the market, such as in-plane switching (IPS) liquid crystal display and fringe field switching liquid crystal. Display and multi-domain vertical alignment (MVA) liquid crystal displays.
多域垂直配向式液晶顯示器雖有廣視角的效果,但其光穿透率(transmittance)會隨著視角改變而有所不同。意即,當使用者正視與側視顯示畫面時,多域垂直配向型液晶顯示器所顯示出的亮度會有所不同,進而導致顯示畫面有色飽和度不足與色偏等問題。 Although the multi-domain vertical alignment type liquid crystal display has a wide viewing angle effect, the light transmittance (transportance) varies depending on the viewing angle. That is to say, when the user is looking at the side view display screen, the brightness displayed by the multi-domain vertical alignment type liquid crystal display may be different, which may cause problems such as insufficient color saturation and color shift on the display screen.
為了改善上述問題,習知技術透過將畫素中的各子畫素 劃分成兩個區域,並使兩個區域中的畫素電極分別耦合至不同的電壓,以藉由改變液晶傾斜角,來改善側視時色飽和度不足與色偏等問題。然而,這樣的改良對於改善色飽和度的成效較為顯著,但對於改善色偏的效果仍有待加強。 In order to improve the above problems, the conventional technique transmits the sub-pixels in the pixels. It is divided into two regions, and the pixel electrodes in the two regions are respectively coupled to different voltages to improve the problem of insufficient color saturation and color shift in side view by changing the tilt angle of the liquid crystal. However, such improvement has a significant effect on improving color saturation, but the effect of improving color shift still needs to be strengthened.
本發明提供一種畫素結構,其有助於改善側視時的色偏問題。 The present invention provides a pixel structure that contributes to improving the color shift problem in side view.
本發明的一種畫素結構,其包括多個陣列排列的子畫素。各子畫素分別包括主動元件以及與主動元件電性連接的畫素電極。各畫素電極分別定義出錯向區以及多個被錯向區所分隔的顯示域,其中僅部分子畫素進一步包括對應於錯向區設置的遮光圖案。 A pixel structure of the present invention includes a plurality of sub-pixels arranged in an array. Each sub-pixel includes an active element and a pixel electrode electrically connected to the active element. Each of the pixel electrodes defines an error direction area and a plurality of display fields separated by the misdirection area, wherein only a part of the sub-pixels further includes a light-shielding pattern corresponding to the misdirection area.
本發明的一種畫素結構,其包括多個陣列排列的子畫素。各子畫素分別包括主動元件、與主動元件電性連接的畫素電極以及遮光圖案。各畫素電極分別定義出錯向區以及多個被錯向區所隔開的顯示域。遮光圖案對應於錯向區設置,其中部分子畫素中的遮光圖案的面積異於其他子畫素中的遮光圖案的面積。 A pixel structure of the present invention includes a plurality of sub-pixels arranged in an array. Each sub-pixel includes an active element, a pixel electrode electrically connected to the active element, and a light shielding pattern. Each of the pixel electrodes defines an error direction area and a plurality of display fields separated by the wrong direction area. The shading pattern corresponds to the misalignment region, wherein the area of the shading pattern in the partial sub-pixel is different from the area of the shading pattern in the other sub-pixels.
本發明的一種畫素結構,其包括多個陣列排列的子畫素。各子畫素分別包括主動元件、與主動元件電性連接的畫素電極以及對應於錯向區設置的遮光圖案。各畫素電極分別定義出錯向區以及多個被錯向區所隔開的顯示域。遮光圖案對應於錯向區 設置,其中各子畫素分別具有主顯示區以及次顯示區,且遮光圖案僅分佈於主顯示區內。 A pixel structure of the present invention includes a plurality of sub-pixels arranged in an array. Each sub-pixel includes an active element, a pixel electrode electrically connected to the active element, and a light-shielding pattern corresponding to the misdirection area. Each of the pixel electrodes defines an error direction area and a plurality of display fields separated by the wrong direction area. Shading pattern corresponds to the wrong area The setting, wherein each sub-pixel has a main display area and a secondary display area, respectively, and the shading pattern is only distributed in the main display area.
本發明的一種畫素結構,其包括多個陣列排列的子畫素。各子畫素分別包括主動元件以及與主動元件電性連接的畫素電極。各畫素電極包括主幹部以及與主幹部連接的多組分支部,且各組分支部被主幹部所分隔,其中部分子畫素中的主幹部的寬度異於其他子畫素中的主幹部的寬度。 A pixel structure of the present invention includes a plurality of sub-pixels arranged in an array. Each sub-pixel includes an active element and a pixel electrode electrically connected to the active element. Each of the pixel electrodes includes a trunk portion and a plurality of sets of branch portions connected to the trunk portion, and each group of branch portions is separated by a trunk portion, wherein a width of the trunk portion of the partial sub-pixels is different from that of the other sub-pixels The width.
本發明的一種畫素結構,其包括第一子畫素、第二子畫素以及第三子畫素。第一子畫素包括第一主動元件以及與第一主動元件電性連接的第一畫素電極。第一畫素電極包括第一主幹部以及與第一主幹部連接的多組第一分支部,且各組第一分支部被第一主幹部所分隔,其中第一主幹部包括第一縱向延伸部以及第一橫向延伸部。第一縱向延伸部與第一橫向延伸部交錯於第一畫素電極的中心。第二子畫素包括第二主動元件以及與第二主動元件電性連接的第二畫素電極。第二畫素電極包括第二主幹部以及與第二主幹部連接的多組第二分支部,且各組第二分支部被第二主幹部所分隔,其中第二主幹部包括第二縱向延伸部以及第二橫向延伸部。第二縱向延伸部與第二橫向延伸部相連於第二畫素電極的邊緣。第三子畫素包括第三主動元件以及與第三主動元件電性連接的第三畫素電極。第三畫素電極包括第三主幹部以及與第三主幹部連接的多組第三分支部,且各組第三分支部被第三主幹部所分隔,其中第三主幹部包括第三縱向延伸部以及第三橫向延 伸部。第三縱向延伸部與第三橫向延伸部相連於第三畫素電極的邊緣。 A pixel structure of the present invention includes a first sub-pixel, a second sub-pixel, and a third sub-pixel. The first sub-pixel includes a first active element and a first pixel electrode electrically connected to the first active element. The first pixel electrode includes a first trunk portion and a plurality of sets of first branch portions connected to the first trunk portion, and each group of first branch portions is separated by the first trunk portion, wherein the first trunk portion includes a first longitudinal extension And a first lateral extension. The first longitudinal extension and the first lateral extension are staggered at the center of the first pixel electrode. The second sub-pixel includes a second active element and a second pixel electrode electrically connected to the second active element. The second pixel electrode includes a second stem portion and a plurality of sets of second branch portions connected to the second stem portion, and each set of second branch portions is separated by the second stem portion, wherein the second stem portion includes a second longitudinal extension And a second lateral extension. The second longitudinal extension and the second lateral extension are connected to the edge of the second pixel electrode. The third sub-pixel includes a third active element and a third pixel electrode electrically connected to the third active element. The third pixel electrode includes a third trunk portion and a plurality of sets of third branch portions connected to the third trunk portion, and each group of third branch portions is separated by a third trunk portion, wherein the third trunk portion includes a third longitudinal extension Department and third lateral extension Stretching. The third longitudinal extension is connected to the third lateral extension to the edge of the third pixel electrode.
基於上述,本發明的上述實施例藉由改變不同子畫素中遮光圖案的面積、主幹部的寬度以及主幹部的配置方式的其中至少一者,以調變不同子畫素的光穿透率。因此,本發明上述實施例的畫素結構有助於改善側視時的色偏問題。 Based on the above, the above embodiment of the present invention modulates the light transmittance of different sub-pixels by changing at least one of the area of the light-shielding pattern, the width of the trunk portion, and the arrangement of the trunk portion in different sub-pixels. . Therefore, the pixel structure of the above embodiment of the present invention contributes to the improvement of the color shift problem in side view.
為讓本發明的上述特徵和優點能更明顯易懂,下文特舉實施例,並配合所附圖式作詳細說明如下。 The above described features and advantages of the invention will be apparent from the following description.
100、200、300、400、500、600、700、800、900‧‧‧畫素結構 100, 200, 300, 400, 500, 600, 700, 800, 900‧‧‧ pixel structure
A1、A1’‧‧‧錯向區 A1, A1’‧‧‧ misdirected area
A2、A2’‧‧‧顯示域 A2, A2’‧‧‧ display domain
AD、AD’‧‧‧主動元件 AD, AD’‧‧‧ active components
AD1’‧‧‧第一主動元件 AD1’‧‧‧ first active component
AD2’‧‧‧第二主動元件 AD2’‧‧‧Second active component
AD3’‧‧‧第三主動元件 AD3’‧‧‧ third active component
BP、BP’、BP”‧‧‧遮光圖案 BP, BP', BP" ‧‧ ‧ shading pattern
CE‧‧‧共用電極 CE‧‧‧Common electrode
CH‧‧‧通道層 CH‧‧‧ channel layer
DE‧‧‧汲極 DE‧‧‧汲
DL‧‧‧資料線 DL‧‧‧ data line
EP‧‧‧分支部 EP‧‧‧ Branch
EP1、EP1’‧‧‧第一分支部 EP1, EP1’‧‧‧ First Branch
EP2、EP2’‧‧‧第二分支部 EP2, EP2’‧‧‧Second Branch
EP3、EP3’‧‧‧第三分支部 EP3, EP3’‧‧‧ Third Branch
GE‧‧‧閘極 GE‧‧‧ gate
GI‧‧‧閘絕緣層 GI‧‧‧ brake insulation
IN‧‧‧絕緣層 IN‧‧‧Insulation
M1‧‧‧第一主顯示區 M1‧‧‧ first main display area
M2‧‧‧第二主顯示區 M2‧‧‧Second main display area
M3‧‧‧第三主顯示區 M3‧‧‧ third main display area
MP‧‧‧主幹部 MP‧‧‧Main Department
MP1、MP1’‧‧‧第一主幹部 MP1, MP1’‧‧‧ First Main Department
MP2、MP2’‧‧‧第二主幹部 MP2, MP2’‧‧‧Second Main Department
MP3、MP3’‧‧‧第三主幹部 MP3, MP3’‧‧‧ Third Chief
MPa‧‧‧縱向延伸部 MPa‧‧‧ longitudinal extension
MPa1、MPa1’‧‧‧第一縱向延伸部 MPa1, MPa1'‧‧‧ first longitudinal extension
MPa2、MPa2’‧‧‧第二縱向延伸部 MPa2, MPa2'‧‧‧ second longitudinal extension
MPa3、MPa3’‧‧‧第三縱向延伸部 MPa3, MPa3'‧‧‧ third longitudinal extension
MPb‧‧‧橫向延伸部 MPb‧‧‧Horizontal Extension
MPb1、MPb1’‧‧‧第一橫向延伸部 MPb1, MPb1’‧‧‧ first lateral extension
MPb2、MPb2’‧‧‧第二橫向延伸部 MPb2, MPb2’‧‧‧ second lateral extension
MPb3、MPb3’‧‧‧第三橫向延伸部 MPb3, MPb3’‧‧‧ third lateral extension
O‧‧‧開口 O‧‧‧ openings
PE、PE’‧‧‧畫素電極 PE, PE'‧‧‧ pixel electrodes
PE1’‧‧‧第一畫素電極 PE1'‧‧‧ first pixel electrode
PE2’‧‧‧第二畫素電極 PE2’‧‧‧second pixel electrode
PE3’‧‧‧第三畫素電極 PE3'‧‧‧ third pixel electrode
PEM‧‧‧主畫素電極 PEM‧‧‧ main picture electrode
PEM1‧‧‧第一主畫素電極 PEM1‧‧‧ first main pixel electrode
PEM2‧‧‧第二主畫素電極 PEM2‧‧‧second main pixel electrode
PEM3‧‧‧第三主畫素電極 PEM3‧‧‧ third main pixel electrode
PES‧‧‧次畫素電極 PES‧‧‧ pixel electrodes
PES1‧‧‧第一次畫素電極 PES1‧‧‧ first pixel electrode
PES2‧‧‧第二次畫素電極 PES2‧‧‧Second pixel electrode
PES3‧‧‧第三次畫素電極 PES3‧‧‧ third pixel electrode
PP‧‧‧條狀圖案 PP‧‧‧ strip pattern
S1‧‧‧第一次顯示區 S1‧‧‧ first display area
S2‧‧‧第二次顯示區 S2‧‧‧Second display area
S3‧‧‧第三次顯示區 S3‧‧‧ third display area
SE‧‧‧源極 SE‧‧‧ source
SL‧‧‧掃描線 SL‧‧‧ scan line
SP1、SP1’、SP1”、SP1'''、SP1''''、SP1'''''‧‧‧第一子畫素 SP1, SP1', SP1", SP1''', SP1'''', SP1'''''‧‧‧ first sub-pixel
SP2、SP2’、SP2”、SP2'''、SP2''''、SP2'''''‧‧‧第二子畫素 SP2, SP2', SP2", SP2''', SP2'''', SP2'''''‧‧‧ second sub-pixel
SP3、SP3’、SP3”、SP3'''、SP3''''、SP3'''''‧‧‧第三子畫素 SP3, SP3', SP3", SP3''', SP3'''', SP3'''''‧‧‧ Third sub-pixel
SUB‧‧‧基板 SUB‧‧‧ substrate
R、G、B、W‧‧‧曲線 R, G, B, W‧‧‧ curves
W1、W2、W3、W3’‧‧‧寬度 W1, W2, W3, W3’‧‧‧Width
A-A’、B-B’‧‧‧剖線 A-A’, B-B’‧‧‧ cut line
圖1A是依照本發明的第一實施例的一種畫素結構的上視示意圖。 1A is a top plan view of a pixel structure in accordance with a first embodiment of the present invention.
圖1B及圖1C分別是沿圖1A中剖線A-A’、B-B’的剖面示意圖。 1B and 1C are schematic cross-sectional views taken along line A-A' and B-B' of Fig. 1A, respectively.
圖1D繪示習知4顯示域畫素結構以及本發明的第一實施例的畫素結構在45度側視時不同灰階與其色座標偏移量的關係圖。 FIG. 1D is a diagram showing the relationship between the different gray scales and the color coordinate offsets of the conventional 4 display domain pixel structure and the pixel structure of the first embodiment of the present invention in a 45 degree side view.
圖1E繪示習知4顯示域畫素結構在45度側視亮度與其正視亮度的相對關係圖。 FIG. 1E is a diagram showing the relative relationship between the brightness of the 45-degree side view and the front view brightness of the conventional 4 display domain pixel structure.
圖1F繪示本發明的第一實施例的畫素結構在45度側視亮度與其正視亮度的相對關係圖。 FIG. 1F is a diagram showing the relative relationship between the brightness of the pixel structure of the first embodiment of the present invention and the brightness of the front view at 45 degrees.
圖2A是依照本發明的第二實施例的一種畫素結構的上視示 意圖。 2A is a top view of a pixel structure in accordance with a second embodiment of the present invention. intention.
圖2B繪示習知8顯示域畫素結構以及本發明的第二實施例的畫素結構在45度側視時不同灰階與其色座標偏移量的關係圖。 2B is a diagram showing the relationship between the different gray scales and the color coordinate offsets of the conventional 8 display domain pixel structure and the pixel structure of the second embodiment of the present invention in a 45 degree side view.
圖2C繪示習知8顯示域畫素結構在45度側視亮度與其正視亮度的相對關係圖。 FIG. 2C is a diagram showing the relative relationship between the brightness of the 45-degree side view and the front view brightness of the conventional display field pixel structure.
圖2D繪示本發明的第二實施例的畫素結構在45度側視亮度與其正視亮度的相對關係圖。 2D is a diagram showing the relative relationship between the brightness of the pixel structure and the front view brightness at 45 degrees of the pixel structure of the second embodiment of the present invention.
圖3A是依照本發明的第三實施例的一種畫素結構的上視示意圖。 3A is a top plan view of a pixel structure in accordance with a third embodiment of the present invention.
圖3B繪示習知8顯示域畫素結構以及本發明的第三實施例的畫素結構在45度側視時不同灰階與其色座標偏移量的關係圖。 FIG. 3B is a diagram showing the relationship between the different gray scales and the color coordinate offsets of the conventional display field pixel structure and the pixel structure of the third embodiment of the present invention in a 45 degree side view.
圖3C繪示本發明的第三實施例的畫素結構在45度側視亮度與其正視亮度的相對關係圖。 FIG. 3C is a diagram showing the relative relationship between the brightness of the pixel structure of the third embodiment of the present invention and the brightness of the front view at 45 degrees.
圖4A是依照本發明的第四實施例的一種畫素結構的上視示意圖。 4A is a top plan view of a pixel structure in accordance with a fourth embodiment of the present invention.
圖4B繪示習知8顯示域畫素結構以及本發明的第四實施例的畫素結構在45度側視時不同灰階與其色座標偏移量的關係圖。 FIG. 4B is a diagram showing the relationship between the different gray scales and the color coordinate offsets of the conventional display field pixel structure and the pixel structure of the fourth embodiment of the present invention in the 45 degree side view.
圖4C繪示本發明的第四實施例的畫素結構在45度側視亮度與其正視亮度的相對關係圖。 4C is a diagram showing the relative relationship between the brightness of the pixel structure and the front view brightness at 45 degrees of the pixel structure of the fourth embodiment of the present invention.
圖5A是依照本發明的第五實施例的一種畫素結構的上視示意圖。 Figure 5A is a top plan view of a pixel structure in accordance with a fifth embodiment of the present invention.
圖5B繪示習知8顯示域畫素結構以及本發明的第五實施例 的畫素結構在45度側視時不同灰階與其色座標偏移量的關係圖。 FIG. 5B illustrates a conventional 8 display domain pixel structure and a fifth embodiment of the present invention. The relationship between the gray scale and the color coordinate offset of the pixel structure in the 45 degree side view.
圖5C繪示本發明的第五實施例的畫素結構在45度側視亮度與其正視亮度的相對關係圖。 FIG. 5C is a diagram showing the relative relationship between the brightness of the pixel structure of the fifth embodiment of the present invention and the brightness of the front view at 45 degrees.
圖6A是依照本發明的第六實施例的一種畫素結構的上視示意圖。 Figure 6A is a top plan view of a pixel structure in accordance with a sixth embodiment of the present invention.
圖6B繪示習知8顯示域畫素結構以及本發明的第六實施例的畫素結構在45度側視時不同灰階與其色座標偏移量的關係圖。 FIG. 6B is a diagram showing the relationship between the different gray scales and the color coordinate offsets of the conventional display field pixel structure and the pixel structure of the sixth embodiment of the present invention in the 45 degree side view.
圖6C繪示本發明的第六實施例的畫素結構在45度側視亮度與其正視亮度的相對關係圖。 FIG. 6C is a diagram showing the relative relationship between the brightness of the pixel structure and the front view brightness of the pixel structure of the sixth embodiment of the present invention.
圖7至圖9分別是依照本發明的第七至第九實施例的畫素結構的上視示意圖。 7 to 9 are top plan views of pixel structures in accordance with seventh to ninth embodiments of the present invention, respectively.
圖1A是依照本發明的第一實施例的一種畫素結構的上視示意圖,其中圖1A省略繪示部分膜層。圖1B及圖1C分別是沿圖1A中剖線A-A’、B-B’的剖面示意圖。請先參照圖1A至圖1C,本實施例的畫素結構100包括多個陣列排列的子畫素,如第一子畫素SP1、第二子畫素SP2以及第三子畫素SP3。子畫素例如配置於基板SUB上。並且,基板SUB上可進一步配置有多條掃描線SL(圖1A僅示意性繪示出一條掃描線SL)以及多條資料線DL。掃描線SL以及資料線DL彼此交錯,以定義出各子畫素SP的所在區域。此外,各子畫素適於藉由其中一掃描線SL以及其中 一資料線DL驅動。 1A is a top plan view of a pixel structure in accordance with a first embodiment of the present invention, wherein a portion of the film layer is omitted from FIG. 1A. 1B and 1C are schematic cross-sectional views taken along line A-A' and B-B' of Fig. 1A, respectively. Referring first to FIG. 1A to FIG. 1C, the pixel structure 100 of the present embodiment includes a plurality of sub-pixels arranged in an array, such as a first sub-pixel SP1, a second sub-pixel SP2, and a third sub-pixel SP3. The sub-pixel is disposed, for example, on the substrate SUB. Further, a plurality of scanning lines SL (only one scanning line SL is schematically illustrated in FIG. 1A) and a plurality of data lines DL may be further disposed on the substrate SUB. The scan line SL and the data line DL are interlaced with each other to define the area where each sub-pixel SP is located. In addition, each sub-pixel is adapted to be passed through one of the scan lines SL and therein A data line DL drive.
進一步而言,各子畫素(包括第一子畫素SP1、第二子畫素SP2以及第三子畫素SP3)包括主動元件AD以及畫素電極PE,其中各主動元件AD與對應的掃描線SL以及資料線DL電性連接,且畫素電極PE與主動元件AD電性連接。各主動元件AD例如包括閘極GE、閘絕緣層GI、通道層CH、源極SE以及汲極DE,其中閘極GE與掃描線SL連接,且源極SE與資料線DL連接。如圖1B及圖1C所示,主動元件AD例如為底閘極薄膜電晶體,其中閘極GE配置在基板SUB上,閘絕緣層GI覆蓋閘極GE,通道層CH配置在閘絕緣層GI上且位於閘極GE的上方,源極SE以及汲極DE彼此結構上分離且分別由閘絕緣層GI延伸至通道層CH上。然而,主動元件AD的型態及種類可依設計需求改變,而不限於上述。 Further, each sub-pixel (including the first sub-pixel SP1, the second sub-pixel SP2, and the third sub-pixel SP3) includes an active element AD and a pixel electrode PE, wherein each active element AD and a corresponding scan The line SL and the data line DL are electrically connected, and the pixel electrode PE is electrically connected to the active element AD. Each of the active elements AD includes, for example, a gate GE, a gate insulating layer GI, a channel layer CH, a source electrode SE, and a drain electrode DE, wherein the gate electrode GE is connected to the scan line SL, and the source electrode SE is connected to the data line DL. As shown in FIG. 1B and FIG. 1C, the active device AD is, for example, a bottom gate thin film transistor, wherein the gate GE is disposed on the substrate SUB, the gate insulating layer GI covers the gate GE, and the channel layer CH is disposed on the gate insulating layer GI. And above the gate GE, the source SE and the drain electrode DE are structurally separated from each other and extend from the gate insulating layer GI to the channel layer CH, respectively. However, the type and type of the active element AD can be changed according to design requirements, and is not limited to the above.
各子畫素SP(包括第一子畫素SP1、第二子畫素SP2以及第三子畫素SP3)可進一步包括絕緣層IN。絕緣層IN覆蓋主動元件AD,且絕緣層IN適於提供畫素電極PE一平坦的承載面。此外,絕緣層IN具有暴露出汲極DE的開口O,以利畫素電極PE透過開口O而與汲極DE連接,從而使主動元件AD與畫素電極PE電性連接。 Each sub-pixel SP (including the first sub-pixel SP1, the second sub-pixel SP2, and the third sub-pixel SP3) may further include an insulating layer IN. The insulating layer IN covers the active element AD, and the insulating layer IN is adapted to provide a flat bearing surface of the pixel electrode PE. In addition, the insulating layer IN has an opening O exposing the drain electrode DE, so that the pixel electrode PE is connected to the drain electrode DE through the opening O, thereby electrically connecting the active element AD and the pixel electrode PE.
各畫素電極PE分別定義出錯向區A1以及多個被錯向區A1所分隔的顯示域A2。進一步而言,各畫素電極PE包括主幹部MP以及多組分支部EP,其中主幹部MP定義出錯向區A1。分支 部EP與主幹部MP連接,其中各組分支部EP被主幹部MP所分隔開,且各組分支部EP分別對應於其中一個顯示域A2。 Each of the pixel electrodes PE defines an error direction area A1 and a plurality of display areas A2 separated by the misdirection area A1. Further, each of the pixel electrodes PE includes a trunk portion MP and a plurality of sets of branch portions EP, wherein the trunk portion MP defines an error direction region A1. Branch The part EP is connected to the trunk part MP, wherein each group branch part EP is separated by the trunk part MP, and each group branch part EP corresponds to one of the display areas A2, respectively.
如圖1A所示,主幹部MP的形狀例如包括十字形,其將畫素電極PE劃分出4個顯示域A2。換言之,各畫素電極PE為4顯示域電極。進一步而言,主幹部MP包括縱向延伸部MPa以及橫向延伸部MPb,其中縱向延伸部MPa與橫向延伸部MPb例如交錯於畫素電極PE的中心。各組分支部EP包括多個斜向延伸且彼此平行的條狀圖案PP。各組分支部EP的條狀圖案PP例如由主幹部MP向外延伸,且各組分支部EP的條狀圖案PP的延伸方向不平行且不垂直於縱向延伸部MPa以及橫向延伸部MPb。此外,位於縱向延伸部MPa(或橫向延伸部MPb)兩側的條狀圖案PP例如是對稱地配置,使得各畫素電極PE的形狀類似於一魚骨狀。 As shown in FIG. 1A, the shape of the trunk portion MP includes, for example, a cross shape which divides the pixel electrode PE into four display domains A2. In other words, each pixel electrode PE is a 4-display domain electrode. Further, the trunk portion MP includes a longitudinal extension portion MPa and a lateral extension portion MPb, wherein the longitudinal extension portion MPa and the lateral extension portion MPb are interleaved, for example, at the center of the pixel electrode PE. Each group branch portion EP includes a plurality of strip patterns PP extending obliquely and parallel to each other. The strip pattern PP of each group branch portion EP extends outward from the trunk portion MP, for example, and the strip patterns PP of the respective group branch portions EP are not parallel to each other and are not perpendicular to the longitudinal extension portion MPa and the lateral extension portion MPb. Further, the strip patterns PP located on both sides of the longitudinal extension portion MPa (or the lateral extension portion MPb) are, for example, symmetrically arranged such that the shape of each of the pixel electrodes PE is similar to a fishbone shape.
在本實施例中,僅部分子畫素(如第一子畫素SP1、第二子畫素SP2以及第三子畫素SP3的其中至少一者)進一步包括對應於錯向區A1設置的遮光圖案BP。進一步而言,子畫素包括多個第一子畫素SP1、多個第二子畫素SP2以及多個第三子畫素SP3(圖1A僅示意性繪示出一個第一子畫素SP1、一個第二子畫素SP2以及一個第三子畫素SP3)。第一子畫素SP1、第二子畫素SP2以及第三子畫素SP3例如沿一方向交替地排列,其中第一子畫素SP1、第二子畫素SP2以及第三子畫素SP3例如分別為紅色子畫素、綠色子畫素以及藍色子畫素,但不限於此。 In this embodiment, only a part of the sub-pixels (such as at least one of the first sub-pixel SP1, the second sub-pixel SP2, and the third sub-pixel SP3) further includes a shading corresponding to the misdirection area A1. Pattern BP. Further, the sub-pixel includes a plurality of first sub-pixels SP1, a plurality of second sub-pixels SP2, and a plurality of third sub-pixels SP3 (FIG. 1A only schematically illustrates a first sub-pixel SP1 , a second sub-pixel SP2 and a third sub-pixel SP3). The first sub-pixel SP1, the second sub-pixel SP2, and the third sub-pixel SP3 are alternately arranged, for example, in one direction, wherein the first sub-pixel SP1, the second sub-pixel SP2, and the third sub-pixel SP3 are, for example They are red sub-pixels, green sub-pixels, and blue sub-pixels, but are not limited to this.
圖1D繪示習知4顯示域畫素結構以及本發明的第一實施 例的畫素結構在45度側視時不同灰階與其色座標偏移量的關係圖,其中圖1D是在國際照明委員會(International Commission on Illumination,CIE)於1976年所製定的色座標系統下量測的結果,du’及dv’分別代表色座標u’、v’在灰階改變時的偏移量。進一步而言,dv’的數值越大,代表顯示畫面的色調越偏黃。相反地,dv’的數值越小,代表顯示畫面的色調越偏藍。du’的數值越大,代表顯示畫面的色調越偏紅。相反地,du’的數值越小,代表顯示畫面的色調越偏綠。當圖1A之畫素結構100應用於液晶顯示器時,沿縱向延伸部MPa傾倒的液晶分子在橫向上側視時容易有漏光的情形發生,而沿橫向延伸部MPb傾倒的液晶分子在縱向上側視時容易有漏光的情形發生。在習知4顯示域畫素結構中,每一個子畫素皆配置有遮光圖案,以遮蔽對應圖1A之縱向延伸部MPa以及橫向延伸部MPb的漏光。然而,在每一個子畫素皆配置有遮光圖案BP的架構下,如圖1D的圈起處所示,高灰階的顯示畫面(如白色或膚色的顯示畫面)在側視時容易有偏黃的情形。換言之,當顯示畫面為人臉時,使用者由正視轉為側視顯示畫面時,所觀看到的膚色可能由紅潤的色調轉為偏黃的色調。 FIG. 1D illustrates a conventional 4 display domain pixel structure and a first implementation of the present invention. For example, the relationship between the gray scale and the color coordinate offset of the pixel structure in the 45 degree side view is shown in Figure 1D under the color coordinate system established by the International Commission on Illumination (CIE) in 1976. As a result of the measurement, du' and dv' represent the offsets of the color coordinates u', v', respectively, when the gray scale changes. Further, the larger the value of dv', the more yellowish the tone of the display screen. Conversely, the smaller the value of dv', the more bluish the hue of the display picture. The larger the value of du', the more reddish the hue of the display screen. Conversely, the smaller the value of du', the more green the tone of the display screen. When the pixel structure 100 of FIG. 1A is applied to a liquid crystal display, liquid crystal molecules tilted along the longitudinal extension portion MPa are likely to leak light when viewed laterally, and liquid crystal molecules tilted along the lateral extension portion MPb are viewed from the longitudinal direction. It is easy to have light leakage. In the conventional 4 display domain pixel structure, each sub-pixel is provided with a light-shielding pattern to shield light leakage corresponding to the longitudinal extension MPa and the lateral extension MPb of FIG. 1A. However, in a structure in which each sub-pixel is configured with a light-shielding pattern BP, as shown in the circle of FIG. 1D, a high-gray display image (such as a white or skin-color display) is easily biased in side view. Yellow situation. In other words, when the display screen is a human face, when the user changes from front view to side view display screen, the perceived skin color may change from a rosy hue to a yellowish hue.
本實施例僅使第二子畫素SP2以及第三子畫素SP3進一步包括對應於錯向區A1設置的遮光圖案BP,以藉由降低第一子畫素SP1的遮蔽率,來提升第一子畫素SP1的光穿透率。如圖1D的粗實線以及粗虛線所示,本實施例的設計可使du’朝正值方向偏移,亦即側視時的紅光比例被有效地提升。因此,使用者在側視 顯示畫面時,亦可看到紅潤的膚色。 In this embodiment, only the second sub-pixel SP2 and the third sub-pixel SP3 further include a light-shielding pattern BP corresponding to the misdirection area A1 to improve the first one by reducing the shielding rate of the first sub-pixel SP1. The light transmittance of sub-pixel SP1. As shown by the thick solid line and the thick broken line of Fig. 1D, the design of this embodiment allows the du' to be shifted in the positive direction, that is, the proportion of red light in the side view is effectively raised. Therefore, the user is looking at the side When the screen is displayed, you can also see the ruddy complexion.
圖1E繪示習知4顯示域畫素結構在45度側視亮度與其正視亮度的相對關係圖,圖1F繪示本發明的第一實施例的畫素結構在45度側視亮度與其正視亮度的相對關係圖,其中圖1E及圖1F的曲線R、G、B、W分別表示紅光、綠光、藍光及白光在45度側視亮度與其正視亮度的比值。由圖1E及圖1F可知,本實施例藉由僅部分子畫素(如第二子畫素SP2以及第三子畫素SP3)進一步包括對應於錯向區A1設置的遮光圖案BP的設計,可有效提升未配置遮光圖案BP的子畫素(如第一子畫素SP1)在側視時的光穿透率。換言之,本實施例的上述設計,可調變顯示畫面在側視時所呈現出來的色調,而有助於改善側視時的色偏問題。 FIG. 1E is a diagram showing a relative relationship between a 45-degree side view brightness and a front view brightness of a conventional 4 display domain pixel structure, and FIG. 1F is a view showing a pixel structure of the first embodiment of the present invention at 45 degrees side brightness and its front view brightness. The relative relationship diagram, wherein the curves R, G, B, and W of FIG. 1E and FIG. 1F respectively represent the ratio of the luminance of the red, green, blue, and white light at 45 degrees to the brightness of the front view. As shown in FIG. 1E and FIG. 1F, the present embodiment further includes a design of the light-shielding pattern BP corresponding to the misdirection area A1 by only a part of the sub-pixels (such as the second sub-pixel SP2 and the third sub-pixel SP3). The light transmittance of the sub-pixel (for example, the first sub-pixel SP1) of the unconfigured light-shielding pattern BP in side view can be effectively improved. In other words, the above design of the embodiment can adjust the color tone exhibited by the screen in the side view, and contribute to the improvement of the color shift problem in the side view.
在本實施例中,遮光圖案BP的形狀與錯向區A1的形狀相對應。所述形狀相對應可以是指形狀及尺寸皆相似或者也可指形狀相似但尺寸不同。如圖1A所示,遮光圖案BP的形狀亦包括十字形,且遮光圖案BP的尺寸例如小於錯向區A1的尺寸,從而遮光圖案BP與錯向區A1的重疊面積等於遮光圖案BP的面積。遮光圖案BP例如與掃描線SL以及閘極GE屬於同一膜層,但不限於此。在另一實施例中,遮光圖案BP也可與資料線DL、源極SE以及汲極DE屬於同一膜層。 In the present embodiment, the shape of the light shielding pattern BP corresponds to the shape of the misdirection area A1. Corresponding to the shape may mean that the shape and the size are similar or may be similar in shape but different in size. As shown in FIG. 1A, the shape of the light-shielding pattern BP also includes a cross shape, and the size of the light-shielding pattern BP is, for example, smaller than the size of the misdirection area A1, so that the overlapping area of the light-shielding pattern BP and the misdirection area A1 is equal to the area of the light-shielding pattern BP. The light shielding pattern BP belongs to the same film layer as the scanning line SL and the gate electrode GE, for example, but is not limited thereto. In another embodiment, the light shielding pattern BP may also belong to the same film layer as the data line DL, the source SE, and the drain DE.
依據不同的設計需求,基板SUB上還可進一步配置有其他元件,如圖1A至圖1C所繪示的共用電極CE。共用電極CE例如與遮光圖案BP、掃描線SL以及閘極GE屬於同一膜層,且共 用電極CE例如環繞於畫素電極PE的三側並與共用電極CE結構上分離,但不限於此。 According to different design requirements, other components may be further disposed on the substrate SUB, such as the common electrode CE illustrated in FIG. 1A to FIG. 1C. The common electrode CE belongs to, for example, the same film layer as the light shielding pattern BP, the scanning line SL, and the gate electrode GE, and The electrode CE is, for example, surrounded on three sides of the pixel electrode PE and structurally separated from the common electrode CE, but is not limited thereto.
在本實施例中,遮光圖案BP的電位例如為浮置(floating)電位。在另一實施例中,遮光圖案BP也可與畫素電極PE具有相同的電位。或者,遮光圖案BP也可與共用電極CE具有相同的電位。 In the present embodiment, the potential of the light blocking pattern BP is, for example, a floating potential. In another embodiment, the light blocking pattern BP may also have the same potential as the pixel electrode PE. Alternatively, the light shielding pattern BP may have the same potential as the common electrode CE.
應說明的是,上述實施例雖以第一子畫素SP1為紅色子畫素進行說明,但本發明不限於此。依據不同的設計需求,第一子畫素SP1(指沒有配置遮光圖案BP的子畫素)也可以是其他顏色的子畫素。下述實施例亦可同此改良,而不再贅述。 Incidentally, although the above embodiment has been described with the first sub-pixel SP1 as a red sub-pixel, the present invention is not limited thereto. According to different design requirements, the first sub-pixel SP1 (refers to the sub-pixel without the shading pattern BP) may also be a sub-pixel of other colors. The following embodiments may also be modified as such, and will not be described again.
圖2A是依照本發明的第二實施例的一種畫素結構的上視示意圖,其中圖2A省略繪示部分膜層。圖2B繪示習知8顯示域畫素結構以及本發明的第二實施例的畫素結構在45度側視時不同灰階與其色座標偏移量的關係圖。圖2C繪示習知8顯示域畫素結構在45度側視亮度與其正視亮度的相對關係圖。圖2D繪示本發明的第二實施例的畫素結構在45度側視亮度與其正視亮度的相對關係圖。請參照圖2A至圖2D,本實施例的畫素結構200大致相同於畫素結構100,且相同的元件以相同的標號表示,於此不再贅述。畫素結構200與畫素結構100的主要差異在於,畫素結構200的各畫素電極PE’為8顯示域電極。 2A is a top plan view of a pixel structure in accordance with a second embodiment of the present invention, wherein a portion of the film layer is omitted from FIG. 2A. 2B is a diagram showing the relationship between the different gray scales and the color coordinate offsets of the conventional 8 display domain pixel structure and the pixel structure of the second embodiment of the present invention in a 45 degree side view. FIG. 2C is a diagram showing the relative relationship between the brightness of the 45-degree side view and the front view brightness of the conventional display field pixel structure. 2D is a diagram showing the relative relationship between the brightness of the pixel structure and the front view brightness at 45 degrees of the pixel structure of the second embodiment of the present invention. 2A to 2D, the pixel structure 200 of the present embodiment is substantially the same as the pixel structure 100, and the same components are denoted by the same reference numerals and will not be described again. The main difference between the pixel structure 200 and the pixel structure 100 is that the pixel electrodes PE' of the pixel structure 200 are 8 display domain electrodes.
進一步而言,本實施例的各畫素電極PE’分別包括主畫素電極PEM以及次畫素電極PES,其中主畫素電極PEM以及次畫 素電極PES例如分別藉由開口O與主動元件AD’的汲極電性連接。主動元件AD’例如為雙通道主動元件,以令主畫素電極PEM以及次畫素電極PES分別耦合至不同電壓,但不限於此。令主畫素電極PEM以及次畫素電極PES分別耦合至不同電壓的方法為此領域具有通常知識者所熟知,於此不再贅述。 Further, each of the pixel electrodes PE' of the embodiment includes a main pixel electrode PEM and a sub-pixel electrode PES, respectively, wherein the main pixel electrode PEM and the sub-picture The element electrodes PES are electrically connected to the drain of the active element AD', for example, by an opening O, respectively. The active element AD' is, for example, a two-channel active element such that the main pixel electrode PEM and the sub-pixel electrode PES are respectively coupled to different voltages, but are not limited thereto. Methods for coupling the primary pixel electrode PEM and the secondary pixel electrode PES to different voltages are well known to those of ordinary skill in the art and will not be described again.
主畫素電極PEM以及次畫素電極PES例如分別為4顯示域電極。具體地,主畫素電極PEM包括第一主幹部MP1以及多組第一分支部EP1。第一分支部EP1與第一主幹部連接MP1,其中各組第一分支部EP1被第一主幹部MP1所分隔,且各組第一分支部EP1分別對應於其中一個顯示域A2’。次畫素電極PES包括第二主幹部MP2以及多組第二分支部EP2。第二分支部EP2與第二主幹部MP2連接,其中各組第二分支部EP2被第二主幹部MP2所分隔,且各組第二分支部EP2分別對應於其中一個顯示域A2’。第一主幹部MP1、第一分支部EP1、第二主幹部MP2以及第二分支部EP2的設計可採用圖1A中主幹部MP以及分支部EP的設計,於此不再贅述。 The main pixel electrode PEM and the sub-pixel electrode PES are, for example, 4 display domain electrodes, respectively. Specifically, the main pixel electrode PEM includes a first trunk portion MP1 and a plurality of sets of first branch portions EP1. The first branch portion EP1 is connected to the first trunk portion MP1, wherein each group of first branch portions EP1 is separated by the first trunk portion MP1, and each group of first branch portions EP1 corresponds to one of the display fields A2', respectively. The sub-pixel electrode PES includes a second trunk portion MP2 and a plurality of sets of second branch portions EP2. The second branch portion EP2 is connected to the second trunk portion MP2, wherein each group of second branch portions EP2 is separated by the second trunk portion MP2, and each group of second branch portions EP2 corresponds to one of the display fields A2', respectively. The design of the first trunk portion MP1, the first branch portion EP1, the second trunk portion MP2, and the second branch portion EP2 may adopt the design of the trunk portion MP and the branch portion EP in FIG. 1A, and details are not described herein again.
在本實施例中,第一主幹部MP1與第二主幹部MP2共同定義出錯向區A1’,其中配置於錯向區A1’中的遮光圖案BP的形狀與錯向區A1’的形狀相對應。如圖2A所示,遮光圖案BP的形狀例如包括兩個縱向排列的十字形,且這兩個十字形例如彼此連接,但不限於此。 In the present embodiment, the first trunk portion MP1 and the second trunk portion MP2 together define an error direction area A1', wherein the shape of the light shielding pattern BP disposed in the misdirection area A1' corresponds to the shape of the misdirection area A1'. . As shown in FIG. 2A, the shape of the light shielding pattern BP includes, for example, two longitudinally arranged cross shapes, and the two cross shapes are connected to each other, for example, but are not limited thereto.
本實施例藉由僅部分子畫素(如第二子畫素SP2’以及第 三子畫素SP3’)進一步包括對應於錯向區A1’設置的遮光圖案BP的設計,可有效提升未配置遮光圖案BP’的子畫素(如第一子畫素SP1’)在側視時的光穿透率。圖2B及圖2C所述的習知8顯示域畫素結構的各子畫素對應於錯向區皆設置有遮光圖案。比較圖2B的粗實線以及粗虛線可知,本實施例透過僅部分子畫素包括對應於錯向區A1’設置遮光圖案BP的設計,可使du’的數值明顯地提升(代表顯示畫面的色調變紅)。此外,圖2C及圖2D中,歸一化亮度值越高代表灰階值越高。另外,各曲線R、G、B、W位於斜虛線的上方的部分代表側視時的亮度高於正視時的亮度,反之,各曲線R、G、B、W位於斜虛線的下方的部分代表側視時的亮度低於正視時的亮度。比較圖2C及圖2D可知,本實施例透過上述設計,可顯著地提升紅光在中高灰階側視時的亮度(曲線R往斜虛線上方偏移)。換言之,本實施例透過上述設計,可改變顯示畫面所呈現出來的色調,而有助於改善側視時的色偏問題。 This embodiment uses only partial sub-pixels (such as the second sub-pixel SP2' and the The three sub-pixels SP3') further includes a design of the light-shielding pattern BP corresponding to the misdirection area A1', which can effectively enhance the sub-pixels (such as the first sub-pixel SP1') of the unconfigured light-shielding pattern BP' in side view. Light penetration rate. Each of the sub-pixels of the conventional 8-display domain pixel structure described in FIG. 2B and FIG. 2C is provided with a light-shielding pattern corresponding to the wrong-direction regions. Comparing the thick solid line and the thick broken line of FIG. 2B, the present embodiment can significantly increase the value of du' by displaying only the partial sub-pixel including the design of the light-shielding pattern BP corresponding to the wrong-direction area A1' (representing the display screen). The color tone turns red). In addition, in FIGS. 2C and 2D, the higher the normalized luminance value, the higher the grayscale value. In addition, the portion of each of the curves R, G, B, and W located above the oblique dotted line represents that the brightness in the side view is higher than the brightness in the front view; otherwise, the portion in which the curves R, G, B, and W are located below the oblique line represents The brightness in side view is lower than the brightness in front view. Comparing FIG. 2C and FIG. 2D , the present embodiment can significantly improve the brightness of the red light in the middle and high gray scale side view (the curve R is shifted upwards from the oblique dotted line) through the above design. In other words, the present embodiment can change the color tone exhibited by the display screen through the above design, and contribute to improving the color shift problem in side view.
圖3A是依照本發明的第三實施例的一種畫素結構的上視示意圖,其中圖3A省略繪示部分膜層。圖3B繪示習知8顯示域畫素結構以及本發明的第三實施例的畫素結構在45度側視時不同灰階與其色座標偏移量的關係圖。圖3C繪示本發明的第三實施例的畫素結構在45度側視亮度與其正視亮度的相對關係圖。請參照圖3A至圖3C,本實施例之畫素結構300大致相同於畫素結構200,且相同的元件以相同的標號表示,於此不再贅述。畫素結構300與畫素結構200的主要差異在於,畫素結構300的各子畫素皆 包括對應於錯向區A1’設置的遮光圖案(如遮光圖案BP、BP’)。並且,部分子畫素中的遮光圖案BP’的面積異於其他子畫素中的遮光圖案BP的面積。 3A is a top plan view of a pixel structure in accordance with a third embodiment of the present invention, wherein a portion of the film layer is omitted from FIG. 3A. FIG. 3B is a diagram showing the relationship between the different gray scales and the color coordinate offsets of the conventional display field pixel structure and the pixel structure of the third embodiment of the present invention in a 45 degree side view. FIG. 3C is a diagram showing the relative relationship between the brightness of the pixel structure of the third embodiment of the present invention and the brightness of the front view at 45 degrees. Referring to FIG. 3A to FIG. 3C, the pixel structure 300 of the present embodiment is substantially the same as the pixel structure 200, and the same elements are denoted by the same reference numerals and will not be described again. The main difference between the pixel structure 300 and the pixel structure 200 is that each sub-pixel of the pixel structure 300 A light blocking pattern (e.g., light blocking patterns BP, BP') corresponding to the misdirection area A1' is included. Further, the area of the light-shielding pattern BP' in the partial sub-pixel is different from the area of the light-shielding pattern BP in the other sub-pixels.
進一步而言,各子畫素具有主顯示區以及次顯示區,其中主畫素電極PEM配置於主顯示區中,而次畫素電極PES配置於次顯示區中。如圖3A所示,第一子畫素SP1”具有第一主顯示區M1以及第一次顯示區S1,第二子畫素SP2’具有第二主顯示區M2以及第二次顯示區S2,且第三子畫素SP3’具有第三主顯示區M3以及第三次顯示區S3。 Further, each sub-pixel has a main display area and a secondary display area, wherein the main pixel electrode PEM is disposed in the main display area, and the sub-pixel electrode PES is disposed in the sub-display area. As shown in FIG. 3A, the first sub-pixel SP1" has a first main display area M1 and a first sub-display area S1, and the second sub-pixel SP2' has a second main display area M2 and a second sub-display area S2. And the third sub-pixel SP3' has a third main display area M3 and a third display area S3.
在本實施例中,第一子畫素SP1”的遮光圖案BP’僅分布於第一主顯示區M1(或第一次顯示區S1)中,而第二子畫素SP2’的遮光圖案BP分布於第二主顯示區M2以及第二次顯示區S2中,且第三子畫素SP3’的遮光圖案BP分布於第三主顯示區M3以及第三次顯示區S3中。亦即第一子畫素SP1”中的遮光圖案BP’的面積小於第二子畫素SP2’以及第三子畫素SP3’中的遮光圖案BP的面積。 In this embodiment, the light-shielding pattern BP' of the first sub-pixel SP1" is distributed only in the first main display area M1 (or the first-time display area S1), and the light-shielding pattern BP of the second sub-pixel SP2' Distributed in the second main display area M2 and the second display area S2, and the light shielding pattern BP of the third sub-pixel SP3' is distributed in the third main display area M3 and the third display area S3. The area of the light-shielding pattern BP' in the sub-pixel SP1" is smaller than the area of the light-shielding pattern BP in the second sub-pixel SP2' and the third sub-pixel SP3'.
藉由縮減部分子畫素(如第一子畫素SP1”)中的遮光圖案的面積(亦即使第一子畫素SP1”中的遮光圖案BP’的面積小於第二子畫素SP2’以及第三子畫素SP3’中的遮光圖案BP的面積),可有效提升所述部分子畫素在側視時的光穿透率。比較圖3B的粗實線以及粗虛線以及比較圖2C及圖3C可知,本實施例透過上述設計,可改變顯示畫面所呈現出來的色調,而有助於改善側視時 的色偏問題。 By reducing the area of the light-shielding pattern in the partial sub-pixel (such as the first sub-pixel SP1) (even if the area of the light-shielding pattern BP' in the first sub-pixel SP1 is smaller than the second sub-pixel SP2' and The area of the light-shielding pattern BP in the third sub-pixel SP3' can effectively improve the light transmittance of the partial sub-pixel in side view. Comparing the thick solid line and the thick broken line of FIG. 3B and comparing FIG. 2C and FIG. 3C, the present embodiment can change the color tone exhibited by the display screen through the above design, and help to improve the side view time. Color shift problem.
圖4A是依照本發明的第四實施例的一種畫素結構的上視示意圖,其中圖4A省略繪示部分膜層。圖4B繪示習知8顯示域畫素結構以及本發明的第四實施例的畫素結構在45度側視時不同灰階與其色座標偏移量的關係圖。圖4C繪示本發明的第四實施例的畫素結構在45度側視亮度與其正視亮度的相對關係圖。請參照圖4A至圖4C,本實施例之畫素結構400大致相同於畫素結構300,且相同的元件以相同的標號表示,於此不再贅述。畫素結構400與畫素結構300的主要差異在於,分佈於第三次顯示區S3中的遮光圖案BP”的面積異於分佈於第二次顯示區S2中的遮光圖案BP的面積。換言之,在畫素結構400中,不同的子畫素中的遮光圖案BP、BP’、BP”的面積皆不相同。 4A is a top plan view of a pixel structure in accordance with a fourth embodiment of the present invention, wherein a portion of the film layer is omitted from FIG. 4A. FIG. 4B is a diagram showing the relationship between the different gray scales and the color coordinate offsets of the conventional display field pixel structure and the pixel structure of the fourth embodiment of the present invention in the 45 degree side view. 4C is a diagram showing the relative relationship between the brightness of the pixel structure and the front view brightness at 45 degrees of the pixel structure of the fourth embodiment of the present invention. 4A to 4C, the pixel structure 400 of the present embodiment is substantially the same as the pixel structure 300, and the same components are denoted by the same reference numerals and will not be described again. The main difference between the pixel structure 400 and the pixel structure 300 is that the area of the light-shielding pattern BP" distributed in the third display region S3 is different from the area of the light-shielding pattern BP distributed in the second display region S2. In other words, In the pixel structure 400, the areas of the light-shielding patterns BP, BP', and BP" in different sub-pixels are different.
藉由使分佈於第三次顯示區S3中的遮光圖案BP”的面積異於分佈於第二次顯示區S2中的遮光圖案BP的面積,例如使第三子畫素SP3”中的遮光圖案BP”的面積小於第二子畫素SP2’中的遮光圖案BP的面積,本實施例可進一步改變(如提升)第三子畫素SP3”的光穿透率。藉由提升藍色子畫素的光穿透率,高灰階的顯示畫面在側視時偏黃的情形可藉由藍光與黃光混合成白光而得以改善。由圖4B、圖2C及圖4C可知,本實施例透過上述設計,可改變顯示畫面所呈現出來的色調,而有助於改善側視時的色偏問題。 By making the area of the light-shielding pattern BP" distributed in the third display area S3 different from the area of the light-shielding pattern BP distributed in the second-time display area S2, for example, making the light-shielding pattern in the third sub-pixel SP3" The area of the BP" is smaller than the area of the light-shielding pattern BP in the second sub-pixel SP2', and the present embodiment can further change (e.g., enhance) the light transmittance of the third sub-pixel SP3". By increasing the light transmittance of the blue sub-pixel, the yellowish display of the high gray scale can be improved by mixing blue light and yellow light into white light. As can be seen from FIG. 4B, FIG. 2C and FIG. 4C, the present embodiment can change the color tone exhibited by the display screen through the above design, and contributes to improving the color shift problem in side view.
圖5A是依照本發明的第五實施例的一種畫素結構的上 視示意圖,其中圖5A省略繪示部分膜層。圖5B繪示習知8顯示域畫素結構以及本發明的第五實施例的畫素結構在45度側視時不同灰階與其色座標偏移量的關係圖。圖5C繪示本發明的第五實施例的畫素結構在45度側視亮度與其正視亮度的相對關係圖。請參照圖5A至圖5C,本實施例之畫素結構500大致相同於畫素結構400,且相同的元件以相同的標號表示,於此不再贅述。畫素結構500與畫素結構400的主要差異在於,第一子畫素SP1'''的遮光圖案BP分布於第一主顯示區M1以及第一次顯示區S1中,且分佈於第三次顯示區S3中的遮光圖案BP”的面積小於分佈於第一次顯示區S1中的遮光圖案BP的面積。 Figure 5A is a diagram of a pixel structure in accordance with a fifth embodiment of the present invention. Referring to the schematic diagram, a portion of the film layer is omitted from FIG. 5A. FIG. 5B is a diagram showing the relationship between the different gray scales and the color coordinate offsets of the conventional display field pixel structure and the pixel structure of the fifth embodiment of the present invention in a 45 degree side view. FIG. 5C is a diagram showing the relative relationship between the brightness of the pixel structure of the fifth embodiment of the present invention and the brightness of the front view at 45 degrees. 5A to 5C, the pixel structure 500 of the present embodiment is substantially the same as the pixel structure 400, and the same elements are denoted by the same reference numerals and will not be described again. The main difference between the pixel structure 500 and the pixel structure 400 is that the light shielding pattern BP of the first sub-pixel SP1 ′′′ is distributed in the first main display area M1 and the first display area S1, and is distributed in the third time. The area of the light-shielding pattern BP" in the display area S3 is smaller than the area of the light-shielding pattern BP distributed in the first-time display area S1.
藉由縮減部分子畫素(如第三子畫素SP3”)中的遮光圖案BP”的面積(亦即使遮光圖案BP”的面積小於遮光圖案BP的面積),可有效提升所述部分子畫素的光穿透率。如圖5B的細實線以及細虛線所示,側視時高灰階的顯示畫面的偏黃情形可因黃光與藍光混合成白光而得以改善。此外,比較圖2C及圖5C可知,本實施例透過上述設計,可提升第三子畫素SP3”的光穿透率,因而可改變顯示畫面所呈現出來的色調,並有助於改善側視時的色偏問題。 By reducing the area of the light-shielding pattern BP" in the partial sub-pixel (such as the third sub-pixel SP3) (even if the area of the light-shielding pattern BP is smaller than the area of the light-shielding pattern BP), the partial sub-picture can be effectively enhanced. The light transmittance of the element is as shown by the thin solid line and the thin dotted line in Fig. 5B, and the yellowishness of the display screen of the high gray level in the side view can be improved by mixing the yellow light and the blue light into white light. 2C and FIG. 5C, the present embodiment can improve the light transmittance of the third sub-pixel SP3" through the above design, thereby changing the color tone exhibited by the display screen and helping to improve the color shift in the side view. problem.
圖6A是依照本發明的第六實施例的一種畫素結構的上視示意圖,其中圖6A省略繪示部分膜層。圖6B繪示習知8顯示域畫素結構以及本發明的第六實施例的畫素結構在45度側視時不同灰階與其色座標偏移量的關係圖。圖6C繪示本發明的第六實施 例的畫素結構在45度側視亮度與其正視亮度的相對關係圖。請參照圖6A至圖6C,本實施例之畫素結構600大致相同於畫素結構500,且相同的元件以相同的標號表示,於此不再贅述。畫素結構600與畫素結構500的主要差異在於,本實施例之遮光圖案BP’僅分布於主顯示區(包括第一主顯示區M1、第二主顯示區M2以及第三主顯示區M3)內。換言之,本實施例之次顯示區未設置有遮光圖案BP’,即遮光圖案BP’未分布於次顯示區(包括第一次顯示區S1、第二次顯示區S2以及第三次顯示區S3)內。此外,遮光圖案BP’結構上分離於其他遮光的元件,如共用電極CE。 Figure 6A is a top plan view of a pixel structure in accordance with a sixth embodiment of the present invention, wherein a portion of the film layer is omitted from Figure 6A. FIG. 6B is a diagram showing the relationship between the different gray scales and the color coordinate offsets of the conventional display field pixel structure and the pixel structure of the sixth embodiment of the present invention in the 45 degree side view. 6C illustrates a sixth embodiment of the present invention. The pixel structure of the example is a relative relationship between the brightness of the 45 degree side view and the brightness of the front view. Referring to FIG. 6A to FIG. 6C, the pixel structure 600 of the present embodiment is substantially the same as the pixel structure 500, and the same components are denoted by the same reference numerals and will not be described again. The main difference between the pixel structure 600 and the pixel structure 500 is that the light shielding pattern BP' of the present embodiment is distributed only in the main display area (including the first main display area M1, the second main display area M2, and the third main display area M3). )Inside. In other words, the secondary display area of the embodiment is not provided with the light-shielding pattern BP′, that is, the light-shielding pattern BP′ is not distributed in the secondary display area (including the first display area S1, the second display area S2, and the third display area S3). )Inside. Further, the light-shielding pattern BP' is structurally separated from other light-shielding elements such as the common electrode CE.
藉由縮減各子畫素(包括第一子畫素SP1”、第二子畫素SP2”以及第三子畫素SP3''')中遮光圖案BP’的面積(亦即使遮光圖案BP’的面積小於圖5A中遮光圖案BP的面積),可有效提升各子畫素的光穿透率。如圖6B及圖6C所示,透過上述設計,本實施例可改變顯示畫面所呈現出來的色調,從而有助於改善側視時的色偏問題。 By reducing the area of the light-shielding pattern BP' in each of the sub-pixels (including the first sub-pixel SP1), the second sub-pixel SP2", and the third sub-pixel SP3"') (also even the shading pattern BP' The area is smaller than the area of the light-shielding pattern BP in FIG. 5A, and the light transmittance of each sub-pixel can be effectively improved. As shown in FIG. 6B and FIG. 6C, through the above design, the present embodiment can change the color tone exhibited by the display screen, thereby contributing to the improvement of the color shift problem in side view.
圖3至圖6的實施例雖皆以各畫素電極為8顯示域進行說明,但不限於此。在其他實施例中,採用畫素電極為4顯示域的畫素結構亦可同上述改良。此外,改善側視時色偏問題的方法不限於改變遮光圖案的面積。 Although the embodiment of FIGS. 3 to 6 is described with each pixel element being 8 display fields, the present invention is not limited thereto. In other embodiments, the pixel structure using the pixel electrode as the 4 display domain can also be improved as described above. Further, the method of improving the color shift problem in side view is not limited to changing the area of the light shielding pattern.
圖7至圖9分別是依照本發明的第七至第九實施例的畫素結構的上視示意圖。請參照圖7,本實施例之畫素結構700大致相同於畫素結構100,且相同的元件以相同的標號表示,於此不再 贅述。畫素結構700與畫素結構100的主要差異在於,畫素結構700省略圖1A中遮光圖案BP的配置,且藉由使部分子畫素中的主幹部MP的寬度異於其他子畫素中的主幹部MP的寬度,以提升所述部分子畫素在側視時的光穿透率,藉此改善側視時的色偏問題。 7 to 9 are top plan views of pixel structures in accordance with seventh to ninth embodiments of the present invention, respectively. Referring to FIG. 7, the pixel structure 700 of the present embodiment is substantially the same as the pixel structure 100, and the same elements are denoted by the same reference numerals. Narration. The main difference between the pixel structure 700 and the pixel structure 100 is that the pixel structure 700 omits the configuration of the light-shielding pattern BP in FIG. 1A, and the width of the trunk portion MP in the partial sub-pixel is different from that in the other sub-pixels. The width of the trunk portion MP is to increase the light transmittance of the partial sub-pixels in side view, thereby improving the color shift problem in side view.
具體地,當畫素結構700應用於液晶顯示器時,沿主幹部MP傾倒的液晶分子在側視時容易有漏光的情形發生。當液晶顯示器的彩色濾光層與畫素結構700配置於液晶層的同一側時,上述藉由遮光圖案的配置去改變不同子畫素的遮蔽率(或光穿透率)的方式,容易因彩色濾光層的厚度厚而導致遮蔽效果不佳。利用側視時漏光程度與主幹部MP之寬度呈正相關的特性,本實施例透過增加部分子畫素中的主幹部MP的寬度,來調變不同子畫素在側視時的光穿透率。 Specifically, when the pixel structure 700 is applied to a liquid crystal display, liquid crystal molecules tilted along the trunk portion MP are likely to leak light when viewed from the side. When the color filter layer of the liquid crystal display and the pixel structure 700 are disposed on the same side of the liquid crystal layer, the manner of changing the masking rate (or light transmittance) of the different sub-pixels by the arrangement of the light-shielding patterns is easy. The thickness of the color filter layer is thick and the shadowing effect is poor. By using the characteristic that the degree of light leakage in the side view is positively correlated with the width of the trunk portion MP, the present embodiment modulates the light transmittance of the different sub-pixels in the side view by increasing the width of the trunk portion MP in the partial sub-pixels. .
舉例而言,本實施例可增加第一子畫素SP1''''的主幹部MP的寬度W1,使第一子畫素SP1''''的主幹部MP的寬度W1大於第二子畫素SP2'''的主幹部MP的寬度W2、第一子畫素SP1''''的主幹部MP的寬度W1大於第三子畫素SP3'''的主幹部MP的寬度W3。藉此,提升側視時的紅光比例,從而改善高灰階的顯示畫面在側視時的偏黃情形。在本實施例中,第二子畫素SP2'''的主幹部MP的寬度W2例如等於第三子畫素SP3'''的主幹部MP的寬度W3,且寬度W1例如為11微米,而寬度W2、W3例如為5微米,但不限於此。 For example, in this embodiment, the width W1 of the trunk portion MP of the first sub-pixel SP1 ′′′′ is increased, so that the width W1 of the trunk portion MP of the first sub-pixel SP1 ′′′′ is larger than the second sub-picture. The width W2 of the trunk portion MP of the prime SP2''' is greater than the width W3 of the trunk portion MP of the first sub-pixel SP1"''. Thereby, the proportion of red light in the side view is improved, thereby improving the yellowing of the high gray scale display screen in side view. In this embodiment, the width W2 of the trunk portion MP of the second sub-pixel SP2"' is equal to, for example, the width W3 of the trunk portion MP of the third sub-pixel SP3"', and the width W1 is, for example, 11 micrometers. The widths W2 and W3 are, for example, 5 μm, but are not limited thereto.
請參照圖8,本實施例之畫素結構800大致相同於畫素結構200,且相同的元件以相同的標號表示,於此不再贅述。畫素結構800與畫素結構200的主要差異在於,畫素結構800省略圖2A中遮光圖案BP的配置,且藉由使部分子畫素中的主幹部(如第一主幹部MP1或第二主幹部MP2)的寬度異於其他子畫素中的主幹部的寬度,以提升所述部分子畫素在側視時的光穿透率,藉此改善側視時的色偏問題。 Referring to FIG. 8, the pixel structure 800 of the present embodiment is substantially the same as the pixel structure 200, and the same components are denoted by the same reference numerals and will not be described again. The main difference between the pixel structure 800 and the pixel structure 200 is that the pixel structure 800 omits the configuration of the light-shielding pattern BP in FIG. 2A, and by making the trunk portion of the partial sub-pixel (such as the first trunk portion MP1 or the second) The width of the trunk portion MP2) is different from the width of the trunk portion in the other sub-pixels to enhance the light transmittance of the partial sub-pixels in side view, thereby improving the color shift problem in side view.
具體地,第一子畫素SP1'''''中的第一主幹部MP1與第二主幹部MP2的寬度為W1,第二子畫素SP2''''中的第一主幹部MP1與第二主幹部MP2的寬度為W2,第三子畫素SP3''''中的第一主幹部MP1的寬度W3,而第三子畫素SP3''''中的第二主幹部MP2的寬度W3’。本實施例使W3’>W1=W2=W3,亦即本實施例僅改變第三子畫素SP3''''中的第二主幹部MP2的寬度W3’,以提升第三子畫素SP3''''在側視時的光穿透率,利用藍光與黃光混合成白光來改善側視時高灰階顯示畫面偏黃的問題。在一實施例中,寬度W3’例如為8微米,而寬度W1、W2、W3例如為5微米。 Specifically, the width of the first trunk portion MP1 and the second trunk portion MP2 in the first sub-pixel SP1′′′′′ is W1, and the first trunk portion MP1 in the second sub-pixel SP2′′′′ The width of the second trunk portion MP2 is W2, the width W3 of the first trunk portion MP1 in the third sub-pixel SP3"", and the second trunk portion MP2 in the third sub-pixel SP3"" Width W3'. In this embodiment, W3'>W1=W2=W3, that is, the embodiment only changes the width W3' of the second trunk portion MP2 in the third sub-pixel SP3"" to improve the third sub-pixel SP3. ''''The light transmittance in side view, using blue light and yellow light mixed into white light to improve the yellowish display of high gray scale display in side view. In one embodiment, the width W3' is, for example, 8 microns, and the widths W1, W2, W3 are, for example, 5 microns.
在另一實施例中,也可藉由改變第一子畫素SP1'''''在側視時的光穿透率,來改善側視時的色偏問題。舉例而言,可使第一子畫素SP1'''''中的第一主幹部MP1與第二主幹部MP2的寬度為W1,第二子畫素SP2''''中的第一主幹部MP1與第二主幹部MP2的寬度為W2,而第三子畫素SP3''''中的第一主幹部MP1與第二主幹部MP2的寬度W3,且W1>W2=W3,其中寬度W1例如為11 微米,而寬度W2、W3例如為5微米。或者,也可使第一子畫素SP1'''''中的第一主幹部MP1的寬度為W1,第一子畫素SP1'''''中的第二主幹部MP2的寬度為W1’,第二子畫素SP2''''中的第一主幹部MP1與第二主幹部MP2的寬度為W2,而第三子畫素SP3''''中的第一主幹部MP1與第二主幹部MP2的寬度為W3,且W1’>W1=W2=W3,其中寬度W1’例如為11微米,而寬度W1、W2、W3例如為5微米。 In another embodiment, the color shift problem in side view can also be improved by changing the light transmittance of the first sub-pixel SP1 ′′′′ in side view. For example, the width of the first trunk portion MP1 and the second trunk portion MP2 in the first sub-pixel SP1′′′′′ may be W1, and the first sub-pixel in the second sub-pixel SP2′′′′ The width of the cadre MP1 and the second trunk portion MP2 is W2, and the width of the first trunk portion MP1 and the second trunk portion MP2 in the third sub-pixel SP3"" is W3, and W1>W2=W3, wherein the width W1 is for example 11 Micron, and the widths W2, W3 are, for example, 5 microns. Alternatively, the width of the first trunk portion MP1 in the first sub-pixel SP1′′′′′ may be W1, and the width of the second trunk portion MP2 in the first sub-pixel SP1′′′′′ is W1. ', the width of the first trunk portion MP1 and the second trunk portion MP2 in the second sub-pixel SP2''' is W2, and the first trunk portion MP1 and the third sub-pixel SP3"'' The width of the two trunks MP2 is W3, and W1'>W1=W2=W3, wherein the width W1' is, for example, 11 micrometers, and the widths W1, W2, W3 are, for example, 5 micrometers.
此外,也可藉由改變第一子畫素SP1'''''以及第三子畫素SP3''''在側視時的光穿透率,來改善側視時的色偏問題。舉例而言,可使第一子畫素SP1'''''中的第一主幹部MP1的寬度為W1,第一子畫素SP1'''''中的第二主幹部MP2的寬度為W1’,第二子畫素SP2''''中的第一主幹部MP1與第二主幹部MP2的寬度為W2,第三子畫素SP3''''中的第一主幹部MP1的寬度W3,而第三子畫素SP3''''中的第二主幹部MP2的寬度W3’,且W1’>W3’>W1=W2=W3,其中寬度W1’例如為11微米,寬度W3’例如為8微米,而寬度W1、W2、W3例如為5微米。 In addition, the color shift problem in side view can also be improved by changing the light transmittance of the first sub-pixel SP1 ′′′′′ and the third sub-pixel SP 3 ′′′ in side view. For example, the width of the first trunk portion MP1 in the first sub-pixel SP1′′′′′ may be W1, and the width of the second trunk portion MP2 in the first sub-pixel SP1′′′′′ is W1', the width of the first trunk portion MP1 and the second trunk portion MP2 in the second sub-pixel SP2"" is W2, and the width of the first trunk portion MP1 in the third sub-pixel SP3"" W3, and the width W3' of the second trunk portion MP2 in the third sub-pixel SP3"", and W1'>W3'>W1=W2=W3, wherein the width W1' is, for example, 11 micrometers, and the width W3' For example, 8 microns, and the widths W1, W2, W3 are, for example, 5 microns.
另外,還可改變第一子畫素SP1'''''、第二子畫素SP2''''以及第三子畫素SP3''''在側視時的光穿透率,來改善側視時的色偏問題。舉例而言,可使第一子畫素SP1'''''中的第一主幹部MP1的寬度為W1,第一子畫素SP1'''''中的第二主幹部MP2的寬度為W1’,第二子畫素SP2''''中的第一主幹部MP1的寬度為W2,第二子畫素SP2''''中的第二主幹部MP2的寬度為W2’,第三子畫素 SP3''''中的第一主幹部MP1的寬度W3,而第三子畫素SP3''''中的第二主幹部MP2的寬度W3’,且W1’=W2’=W3’>W1=W2=W3,其中寬度W1’、W2’、W3’例如為11微米,而寬度W1、W2、W3例如為5微米。 In addition, the light transmittance of the first sub-pixel SP1 ′′′′, the second sub-pixel SP 2 ′′′′, and the third sub-pixel SP 3 ′′′′ in side view can also be changed to improve Color shift problem in side view. For example, the width of the first trunk portion MP1 in the first sub-pixel SP1′′′′′ may be W1, and the width of the second trunk portion MP2 in the first sub-pixel SP1′′′′′ is W1', the width of the first trunk portion MP1 in the second sub-pixel SP2"' is W2, and the width of the second trunk portion MP2 in the second sub-pixel SP2"" is W2', and the third Subpixel The width W3 of the first trunk portion MP1 in the SP3′′′′, and the width W3′ of the second trunk portion MP2 in the third sub-pixel SP3′′′′, and W1′=W2′=W3′>W1 = W2 = W3, wherein the widths W1', W2', W3' are, for example, 11 microns, and the widths W1, W2, W3 are, for example, 5 microns.
請參照圖9,本實施例之畫素結構900大致相同於畫素結構800,且相同的元件以相同的標號表示,於此不再贅述。畫素結構900與畫素結構800的主要差異在於縱向延伸部與橫向延伸部的連接位置。 Referring to FIG. 9, the pixel structure 900 of the present embodiment is substantially the same as the pixel structure 800, and the same components are denoted by the same reference numerals and will not be described again. The main difference between the pixel structure 900 and the pixel structure 800 is the connection position of the longitudinal extension and the lateral extension.
具體地,第一子畫素SP1'''''包括第一主動元件AD1’以及與第一主動元件AD1’電性連接的第一畫素電極PE1’。在本實施例中,第一畫素電極PE1’包括第一主畫素電極PEM1以及第一次畫素電極PES1,但不限於此。第一主畫素電極PEM1包括第一主幹部MP1以及與第一主幹部MP1連接的多組第一分支部EP1,其中各組第一分支部EP1被第一主幹部MP1所分隔,且第一主幹部MP1包括第一縱向延伸部MPa1以及第一橫向延伸部MPb1。第一縱向延伸部MPa1與第一橫向延伸部MPb1交錯於第一主畫素電極PEM1的中心,使得第一主畫素電極PEM1為4顯示域電極。同樣地,第一次畫素電極PES1包括第一主幹部MP1’以及與第一主幹部MP1’連接的多組第一分支部EP1’,其中各組第一分支部EP1’被第一主幹部MP1’所分隔,且第一主幹部MP1’包括第一縱向延伸部MPa1’以及第一橫向延伸部MPb1’。第一縱向延伸部MPa1’與第一橫向延伸部MPb1’交錯於第一次畫素電極PES1的中心,使 得第一次畫素電極PES1為4顯示域電極。 Specifically, the first sub-pixel SP1"" includes a first active element AD1' and a first pixel electrode PE1' electrically connected to the first active element AD1'. In the present embodiment, the first pixel electrode PE1' includes the first main pixel electrode PEM1 and the first sub-pixel electrode PES1, but is not limited thereto. The first main pixel electrode PEM1 includes a first trunk portion MP1 and a plurality of sets of first branch portions EP1 connected to the first trunk portion MP1, wherein each group of first branch portions EP1 is separated by the first trunk portion MP1, and first The trunk portion MP1 includes a first longitudinal extension portion MPa1 and a first lateral extension portion MPb1. The first longitudinal extension MPa1 and the first lateral extension MPb1 are staggered at the center of the first main pixel electrode PEM1 such that the first main pixel electrode PEM1 is a 4-display domain electrode. Similarly, the first pixel electrode PES1 includes a first trunk portion MP1' and a plurality of sets of first branch portions EP1' connected to the first trunk portion MP1', wherein each group of first branch portions EP1' is used by the first trunk portion The MP1' is separated, and the first trunk portion MP1' includes a first longitudinal extension MPa1' and a first lateral extension MPb1'. The first longitudinal extension MPa1' and the first lateral extension MPb1' are staggered at the center of the first sub-pixel electrode PES1, such that The first pixel electrode PES1 is a 4-display domain electrode.
第二子畫素SP2'''''包括第二主動元件AD2’以及與第二主動元件AD2’電性連接的第二畫素電極PE2’。在本實施例中,第二畫素電極PE2’包括第二主畫素電極PEM2以及第二次畫素電極PES2,但不限於此。第二主畫素電極PEM2包括第二主幹部MP2以及與第二主幹部MP2連接的多組第二分支部EP2,且各組第二分支部EP2被第二主幹部MP2所分隔,其中第二主幹部MP2包括第二縱向延伸部MPa2以及第二橫向延伸部MPb2。第二縱向延伸部MPa2與第二橫向延伸部MPb2相連於第二主畫素電極PEM2的邊緣,使得第二主畫素電極PEM2為2顯示域電極。同樣地,第二次畫素電極PES2包括第二主幹部MP2’以及與第二主幹部MP2’連接的多組第二分支部EP2’,且各組第二分支部EP2’被第二主幹部MP2’所分隔,其中第二主幹部MP2’包括第二縱向延伸部MPa2’以及第二橫向延伸部MPb2’。第二縱向延伸部MPa2’與第二橫向延伸部MPb2’相連於第二主畫素電極PEM2’的邊緣,使得第二主畫素電極PEM2’為2顯示域電極。 The second sub-pixel SP2"" includes a second active element AD2' and a second pixel electrode PE2' electrically connected to the second active element AD2'. In the present embodiment, the second pixel electrode PE2' includes the second main pixel electrode PEM2 and the second pixel electrode PES2, but is not limited thereto. The second main pixel electrode PEM2 includes a second trunk portion MP2 and a plurality of sets of second branch portions EP2 connected to the second trunk portion MP2, and each group of second branch portions EP2 is separated by the second trunk portion MP2, wherein the second portion The trunk portion MP2 includes a second longitudinal extension portion MPa2 and a second lateral extension portion MPb2. The second longitudinal extension MPa2 and the second lateral extension MPb2 are connected to the edge of the second main pixel electrode PEM2 such that the second main pixel electrode PEM2 is a 2 display domain electrode. Similarly, the second pixel electrode PES2 includes a second trunk portion MP2' and a plurality of sets of second branch portions EP2' connected to the second trunk portion MP2', and each group of second branch portions EP2' is used by the second trunk portion The MP2' is separated, wherein the second trunk portion MP2' includes a second longitudinal extension MPa2' and a second lateral extension MPb2'. The second longitudinal extension MPa2' and the second lateral extension MPb2' are connected to the edge of the second main pixel electrode PEM2' such that the second main pixel electrode PEM2' is a 2-display domain electrode.
第三子畫素SP3'''''包括第三主動元件AD3’以及與第三主動元件AD3’電性連接的第三畫素電極PE3’。在本實施例中,第三畫素電極PE3’包括第三主畫素電極PEM3以及第三次畫素電極PES3,但不限於此。第三主畫素電極PEM3包括第三主幹部MP3以及與第三主幹部MP3連接的多組第三分支部EP3,且各組第三分支部EP3被第三主幹部MP3所分隔,其中第三主幹部MP3包 括第三縱向延伸部MPa3以及第三橫向延伸部MPb3。第三縱向延伸部MPa3與第三橫向延伸部MPb3相連於第三主畫素電極PEM3的邊緣,使得第三主畫素電極PEM3為2顯示域電極。同樣地,第三次畫素電極PES3包括第三主幹部MP3’以及與第三主幹部MP3’連接的多組第三分支部EP3’,且各組第三分支部EP3’被第三主幹部MP3’所分隔,其中第三主幹部MP3’包括第三縱向延伸部MPa3’以及第三橫向延伸部MPb3’。第三縱向延伸部MPa3’與第三橫向延伸部MPb3’相連於第三主畫素電極PEM3’的邊緣,使得第三主畫素電極PEM3’為2顯示域電極。 The third sub-pixel SP3"" includes a third active element AD3' and a third pixel electrode PE3' electrically connected to the third active element AD3'. In the present embodiment, the third pixel electrode PE3' includes the third main pixel electrode PEM3 and the third pixel electrode PES3, but is not limited thereto. The third main pixel electrode PEM3 includes a third trunk portion MP3 and a plurality of sets of third branch portions EP3 connected to the third trunk portion MP3, and each group of third branch portions EP3 is separated by the third trunk portion MP3, wherein the third portion Main department MP3 package The third longitudinal extension MPa3 and the third lateral extension MPb3 are included. The third longitudinal extension MPa3 and the third lateral extension MPb3 are connected to the edge of the third main pixel electrode PEM3 such that the third main pixel electrode PEM3 is a 2-display domain electrode. Similarly, the third pixel electrode PES3 includes a third trunk portion MP3' and a plurality of sets of third branch portions EP3' connected to the third trunk portion MP3', and each group of third branch portions EP3' is used by the third trunk portion The MP3' is separated, wherein the third trunk portion MP3' includes a third longitudinal extension MPa3' and a third lateral extension MPb3'. The third longitudinal extension MPa3' and the third lateral extension MPb3' are connected to the edge of the third main pixel electrode PEM3' such that the third main pixel electrode PEM3' is a 2-display domain electrode.
由於各畫素電極(包括第一畫素電極PE1’、第二畫素電極PE2’以及第三畫素電極PE3’)靠近掃描線SL及資料線DL的邊緣會被液晶顯示器的黑矩陣所遮蔽,因此本實施例將部分子畫素(如第二子畫素P2'''''以及第三子畫素P3''''')的畫素電極的主幹部配置在畫素電極的邊緣,以藉由黑矩陣遮蔽對應主幹部的漏光,來降低所述部分子畫素在側視時的漏光程度。換言之,本實施例透過改變部分子畫素中的主幹部的配置方式,亦可調變不同子畫素在側視時的光穿透率,進而改善側視時的色偏問題。 Since the edges of the pixel electrodes (including the first pixel electrode PE1', the second pixel electrode PE2', and the third pixel electrode PE3') near the scan line SL and the data line DL are obscured by the black matrix of the liquid crystal display. Therefore, in this embodiment, the main portion of the pixel electrode of the partial sub-pixel (such as the second sub-pixel P2'''' and the third sub-pixel P3''''') is disposed at the edge of the pixel electrode. In order to shield the light leakage of the corresponding trunk portion by the black matrix, the degree of light leakage of the partial sub-pixels in the side view is reduced. In other words, in the embodiment, by changing the arrangement manner of the trunk portions in the partial sub-pixels, the light transmittance of the different sub-pixels in the side view can be modulated, thereby improving the color shift problem in the side view.
在本實施例中,第一畫素電極PE1’為8顯示域電極,且第二畫素電極PE2’以及第三畫素電極PE3’為4顯示域電極,其中第三縱向延伸部MPa3’與第三橫向延伸部MPb3’的相連處與第三縱向延伸部MPa3’與第三橫向延伸部MPb3’的相連處例如採用非對稱設計。如此一來,當畫素結構900應用於可撓式顯示器時, 即使顯示器彎取造成黑矩陣(未繪示)與畫素結構產生偏移,而導致不同位置的子畫素的顯示域被黑矩陣暴露出之面積不同,上述設計仍可具有改善色偏的效果。 In this embodiment, the first pixel electrode PE1' is an 8-display domain electrode, and the second pixel electrode PE2' and the third pixel electrode PE3' are 4 display domain electrodes, wherein the third longitudinal extension MPa3' is The connection of the third lateral extension MPb3' with the connection of the third longitudinal extension MPa3' and the third lateral extension MPb3' is for example asymmetrically designed. As a result, when the pixel structure 900 is applied to a flexible display, Even if the display is bent to cause the black matrix (not shown) to be offset from the pixel structure, and the display fields of the sub-pixels at different positions are different by the area exposed by the black matrix, the above design can still have the effect of improving the color shift. .
在另一實施例中,第一畫素電極PE1’也可為4顯示域電極,且第二畫素電極PE2’以及第三畫素電極PE3’為2顯示域電極。或者,當藉由增加第三子畫素SP3'''''的光穿透率來改善色偏時,也可使第一畫素電極PE1’以及第二畫素電極PE2’為2顯示域電極,且第三畫素電極PE3’為4顯示域電極。或者使第一畫素電極PE1’以及第二畫素電極PE2’為4顯示域電極,且第三畫素電極PE3’為8顯示域電極。 In another embodiment, the first pixel electrode PE1' may also be a 4 display domain electrode, and the second pixel electrode PE2' and the third pixel electrode PE3' are 2 display domain electrodes. Alternatively, when the color shift is improved by increasing the light transmittance of the third subpixel SP3'''', the first pixel electrode PE1' and the second pixel electrode PE2' may be 2 display domains. The electrode, and the third pixel electrode PE3' is a 4-display domain electrode. Alternatively, the first pixel electrode PE1' and the second pixel electrode PE2' are 4 display domain electrodes, and the third pixel electrode PE3' is 8 display domain electrodes.
綜上所述,本發明的上述實施例藉由改變不同子畫素中遮光圖案的面積、主幹部的寬度以及主幹部的配置方式的其中至少一者,以調變不同子畫素的光穿透率。因此,本發明上述實施例的畫素結構有助於改善側視時的色偏問題。 In summary, the above embodiment of the present invention modulates the light penetration of different sub-pixels by changing at least one of the area of the light-shielding pattern, the width of the trunk portion, and the arrangement of the trunk portion in different sub-pixels. Transmittance. Therefore, the pixel structure of the above embodiment of the present invention contributes to the improvement of the color shift problem in side view.
雖然本發明已以實施例揭露如上,然其並非用以限定本發明,任何所屬技術領域中具有通常知識者,在不脫離本發明的精神和範圍內,當可作些許的更動與潤飾,故本發明的保護範圍當視後附的申請專利範圍所界定者為準。 Although the present invention has been disclosed in the above embodiments, it is not intended to limit the present invention, and any one of ordinary skill in the art can make some changes and refinements without departing from the spirit and scope of the present invention. The scope of the invention is defined by the scope of the appended claims.
100‧‧‧畫素結構 100‧‧‧ pixel structure
A1‧‧‧錯向區 A1‧‧‧ misdirected area
A2‧‧‧顯示域 A2‧‧‧Display field
AD‧‧‧主動元件 AD‧‧‧ active components
BP‧‧‧遮光圖案 BP‧‧‧ shading pattern
CE‧‧‧共用電極 CE‧‧‧Common electrode
CH‧‧‧通道層 CH‧‧‧ channel layer
DE‧‧‧汲極 DE‧‧‧汲
DL‧‧‧資料線 DL‧‧‧ data line
EP‧‧‧分支部 EP‧‧‧ Branch
GE‧‧‧閘極 GE‧‧‧ gate
MP‧‧‧主幹部 MP‧‧‧Main Department
MPa‧‧‧縱向延伸部 MPa‧‧‧ longitudinal extension
MPb‧‧‧橫向延伸部 MPb‧‧‧Horizontal Extension
O‧‧‧開口 O‧‧‧ openings
PE‧‧‧畫素電極 PE‧‧‧ pixel electrode
PP‧‧‧條狀圖案 PP‧‧‧ strip pattern
SE‧‧‧源極 SE‧‧‧ source
SL‧‧‧掃描線 SL‧‧‧ scan line
SP1‧‧‧第一子畫素 SP1‧‧‧ first sub-pixel
SP2‧‧‧第二子畫素 SP2‧‧‧Second sub-pixel
SP3‧‧‧第三子畫素 SP3‧‧‧ Third sub-pixel
A-A’、B-B’‧‧‧剖線 A-A’, B-B’‧‧‧ cut line
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Also Published As
Publication number | Publication date |
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CN104570517A (en) | 2015-04-29 |
TW201624072A (en) | 2016-07-01 |
CN107203074B (en) | 2019-11-22 |
CN104570517B (en) | 2018-04-06 |
CN107203074A (en) | 2017-09-26 |
CN107247370B (en) | 2019-11-19 |
CN107247370A (en) | 2017-10-13 |
CN107272281A (en) | 2017-10-20 |
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