CN1484071A - LCD device and filtering color picec array board - Google Patents

LCD device and filtering color picec array board Download PDF

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CN1484071A
CN1484071A CN 03127473 CN03127473A CN1484071A CN 1484071 A CN1484071 A CN 1484071A CN 03127473 CN03127473 CN 03127473 CN 03127473 A CN03127473 A CN 03127473A CN 1484071 A CN1484071 A CN 1484071A
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pixel
blue
liquid crystal
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CN 03127473
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CN1324363C (en )
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宋根圭
崔井乂
卢南锡
洪雯杓
朴哲佑
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三星电子株式会社
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    • GPHYSICS
    • G02OPTICS
    • G02FDEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F2201/00Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/52RGB geometrical arrangements

Abstract

本发明提供一种液晶显示器及其滤色片阵列板,它包括:具有多个红、绿、蓝和白色像素区的液晶显示板组件,以及位于液晶显示板组件侧边的背光单元。 The present invention provides a liquid crystal display and a color filter array panel, comprising: a plurality of red, the liquid crystal green, blue and white pixel regions of the display panel assembly, and a liquid crystal display panel assembly side of the backlight unit. 背光单元发射的光有颜色坐标(x,y),x的范围是约0.31-0.34,y的范围是约0.32-0.35。 The backlight unit emits light with a color coordinate (x, y), x ranges about 0.31-0.34, y is in the range of about 0.32-0.35.

Description

液晶显示器及其滤色片阵列板 Liquid crystal display and a color filter array panel

技术领域 FIELD

本发明涉及一种液晶显示器和所用的显示板,特别涉及四色液晶显示器。 The present invention relates to a liquid crystal display and the display panel used, more particularly, to four-color liquid crystal display.

背景技术 Background technique

总的说来,液晶显示器(LCD)包括:液晶显示板组件(liquid crystal panelassembly),它包括设置有例如像素电极和公共电极的两种场发生电极的两块板;以及夹在两块板之间的有各向异性介电性能的液晶层。 In general, liquid crystal display (LCD) comprising: a liquid crystal display panel assembly (liquid crystal panelassembly), comprising two plates provided with, for example generating electrodes and common electrodes of the pixel two fields; and sandwiched between the two plates a liquid crystal layer between the anisotropic dielectric properties. 场发生电极之间的电压差变化,即,由电极产生的电场强度变化,引起穿过LCD的光透射率变化,因此,控制电极之间的电压差可以获得规定的图像。 A voltage difference change between the field generating electrodes, i.e., changes in the electric field intensity generated by the electrodes, causing light transmission through the LCD changes, therefore, the image can be controlled to obtain a predetermined voltage difference between the electrodes.

LCD包括有像素电极和红(R),绿(G),蓝(B)色滤色片(color filter)的多个像素。 LCD includes a pixel electrode, and red (R), green (G), blue (B) color filter (color filter) of a plurality of pixels. 借助通过显示信号线施加的信号来驱动像素执行显示操作。 Means for driving the pixels perform display by applying a display signal line operation. 信号线包括承载扫描信号的栅线(gate line)(或扫描信号线),和承载数据信号的数据线。 The signal lines include gate lines (gate line) (or scanning signal lines), and a data line carrying data signals carrying the scanning signals. 每个像素有连接到一根栅线和一根数据线的薄膜晶体管(TFT),以控制加到像素电极的数据信号。 Each pixel has a thin film transistor (TFT) connected to a gate line and a data line to a control data signal applied to the pixel electrode.

用3个RGB色像素代表一个点的现有LCD的光学效率差。 The optical efficiency of the LCD with the conventional three-color RGB pixel represents a point of difference. 具体的说,用于各个RGB像素的滤色片只透过入射光的1/3,因此,总光学效率差。 Specifically, the respective RGB pixels for a color filter transmits only 1/3 of the incident light, and therefore, the overall difference in optical efficiency.

因而,有几种红(R),绿(G),蓝(B)色滤色片的排列。 Thus, there are several red (R), green (G), and blue color filters are arranged in (B). 例如:条形排列,其中颜色相同的滤色片排列在同一像素列中;马赛克形排列,其中红、绿、蓝色滤色片沿行和列顺序排列;δ-型,其中像素在列方向上成锯齿形排列,而红、绿、蓝色滤色片顺序排列。 For example: a stripe arrangement wherein the same color filters are arranged in the same pixel column; mosaic-shaped arrangement, wherein the red, green, and blue color filters sequentially arranged along rows and columns; delta-type, wherein the pixels in the column direction into the zigzag arrangement, and the red, green, and blue color filters arranged in order. δ-形准确地表示圆或对角线。 δ- shaped accurately represent a circle or a diagonal.

Clair Voyante实验室提出一种叫做“PenTile MatrixTM”的像素排列方式,它的优点是能显示高清晰度的图像,而且能使设计成本达到最小。 Clair Voyante laboratory pixel arrangement is proposed called "PenTile MatrixTM", which is the advantage of high-definition images can be displayed, and the design cost can be minimized. 这种像素排列中,蓝色的单元像素为两个点所共用,邻近的蓝色像素接收来自一个数据驱动IC的数据信号并由两个不同的栅极驱动IC驱动。 This arrangement of pixels, the blue unit pixels common to two points adjacent blue pixel data signals received from a data driver IC is driven by two different gate drive IC. 用PenTileMatrix像素结构,可以用超级视频图像阵列(SVGA)级显示器实现超大图像阵列(UXGA)级的高清晰度。 With PenTileMatrix pixel structure can be realized large image array (to UXGA) with super-high-definition-level video graphics array (SVGA) display level. 此外,增大了低成本的栅极驱动IC的数量,减少了高成本的数据驱动IC的数量。 In addition, the gate driving IC increases the number of low-cost, reducing the number of costly data driving IC. 从而使显示器的成本降到最小。 Thereby to minimize the cost of the display.

然而,用PenTile Matrix像素结构,由于蓝色像素的大小与红色和绿色像素的大小不同,所以因液晶充电率不同而要求更替存储容量。 However, with PenTile Matrix pixel structure, since the blue pixel size of the red and green pixels of different size, so that the liquid crystal charging rate depending replacement storage capacity requirements. 此外,由于用一根线驱动两个蓝色像素,所以像素极性不一致。 Moreover, since the blue pixel driving a two wire, the polarity of the pixel inconsistent.

特别是当蓝色像素排列成条形时,由蓝色像素导致的垂直线图形变得容易看见,且清晰度不够,这降低了总的图像质量。 In particular, when the blue pixels are arranged in stripes, the vertical line pattern caused by the blue pixels can be easily seen, and lack of clarity, which reduces the overall image quality.

发明内容 SUMMARY

提供一种液晶显示器,它包括:有多个红、绿、蓝和白色像素区的液晶显示板组件;和放在液晶显示板组件的侧边的背光单元,其中,背光单元发射的光有颜色坐标(color coordinate)(x,y),x的范围是约0.31至约0.34,y的范围是约0.32至约0.35。 A liquid crystal display, comprising: a plurality of red, green, blue and white pixel regions of the liquid crystal display panel assembly; and on the side of the liquid crystal display panel assembly of a backlight unit, wherein the light emitted from the backlight unit color coordinate (color coordinate) (x, y), x ranges from about 0.31 to about 0.34, y is in the range of from about 0.32 to about 0.35.

液晶显示板组件包括:第一绝缘衬底;第一绝缘衬底上形成的多个薄膜晶体管;第一绝缘衬底上形成的并连接到薄膜晶体管的多个像素电极;面对第一绝缘衬底的第二绝缘衬底;形成在第二绝缘衬底上并限定像素区的黑矩阵;分别基本上形成在红、绿和蓝色像素区中的红、绿和蓝色滤色片;形成在滤色片上的公共电极;和夹在第一和第二绝缘衬底之间的液晶层。 The liquid crystal display panel assembly comprising: a first insulating substrate; a plurality of thin film transistors formed on the first insulating substrate; formed on the first insulating substrate and the plurality of pixel electrodes connected to the thin film transistor; facing the first insulating substrate end of the second insulating substrate; formed on the second insulating substrate and a black matrix defining a pixel area; respectively formed substantially red, green and blue color filters in red, green and blue pixel region; forming a common electrode on the color filter; and sandwiched between the first insulating substrate and the second liquid crystal layer.

蓝色像素区或白色像素区的面积小于红色像素区和绿色像素区的面积。 Area of ​​white region or a blue pixel region of the pixel region is smaller than the area of ​​the red pixel and the green pixel region.

优选地,蓝色像素区和白色像素区的总面积基本上与红色像素区和绿色像素区中任何一个区的面积相同。 Preferably the total area of ​​the blue pixel region and the white pixel region is substantially the same area of ​​the red pixel regions and green pixel regions of any one region.

白色像素区附近的黑矩阵的宽度优选地比其他像素区附近的黑矩阵的宽度宽。 Preferably, the width of the black matrix in the vicinity of the white pixel region is wider than the width of the black matrix in the vicinity of the other pixel region.

提供一种用于液晶显示器的滤色片阵列板,它包括:绝缘衬底;形成在绝缘衬底上并限定红、绿、蓝和白色像素区的黑矩阵;分别基本上形成在红、绿、蓝色像素区中并含红、绿、蓝颜料的红、绿、蓝有机滤色片;基本上形成在白色像素区中的透明有机滤色片;和形成在有机滤色片上的公共电极。 Providing a color filter array panel for a liquid crystal display, comprising: an insulating substrate; forming on an insulating substrate and a black matrix defining red, green, blue and white pixel regions; respectively formed substantially in the red, green a common electrode formed on the organic color filter; blue pixel region and containing the red, green, red, blue pigment, green, and blue organic color filters; substantially transparent organic color filter is formed in the white pixel region .

滤色片阵列板还包括位于有机滤色片与公共电极之间的涂层(overcoat)。 A color filter array panel further comprises a coating layer (an overcoat) between the common electrode and an organic color filter.

透明有机滤色片可以包括与涂层相同的材料。 Transparent organic color filter may comprise the same material as the coating.

优选地,涂层的表面高度大致一致。 Preferably, the surface coating substantially uniform height.

提供液晶显示器,它包括:第一绝缘衬底;第一绝缘衬底上形成的多个薄膜晶体管;薄膜晶体管上形成的有凸出部分的保护层;保护层上形成的并连接到薄膜晶体管的多个像素电极;与第一绝缘衬底面对的第二绝缘衬底;第二绝缘衬底上形成的且用于限定红、绿、蓝和白色像素区的黑矩阵;分别基本上形成在红、绿和蓝色像素区中的红、绿和蓝色滤色片;形成在滤色片上的公共电极;和夹在第一和第二绝缘衬底之间的液晶层,其中,在白色像素区中公共电极的高度小于在红、绿和蓝色像素区的公共电极的高度,且保护层的凸出部分面对白色像素区。 Providing a liquid crystal display, comprising: a first insulating substrate; a plurality of thin film transistors formed on the first insulating substrate; a protective layer projecting portion formed on the thin film transistor; formed on the protective layer and connected to the thin film transistor, a plurality of pixel electrodes; a second insulating substrate facing the first insulating substrate; formed on the second insulating substrate and for defining red, green, blue and white pixel regions a black matrix; each formed in the substantially red, green and blue pixel regions of red, green and blue color filters; a common electrode formed on the color filter; and sandwiched between the first insulating substrate and the second liquid crystal layer, wherein, on white the height of the pixel region is smaller than the height of the common electrode common electrode of the red, green, and blue pixel regions, and the convex portion of the protective layer facing the white pixel region.

公共电极与保护层表面之间的距离优选地基本一致。 Preferably substantially uniform distance between the common electrode and the surface protective layer.

像素电极和公共电极可以有切口(cutout)。 The pixel electrode and the common electrode may have a notch (cutout).

提供一种液晶显示器,它包括:多组像素的一阵列,每组像素包括彼此相邻的蓝色像素和白色像素、跨过蓝色像素和白色像素彼此斜对的一对红色像素、以及跨过蓝色像素和白色像素并与红色像素相邻的彼此斜对的一对绿色像素,每个像素包括像素电极和薄膜晶体管;按行方向延伸的用于输送栅极信号到像素的多根栅线;和按列方向延伸的并用于输送数据信号到像素的多根数据线。 A liquid crystal display, comprising: an array of a plurality of sets of pixels, each pixel comprising adjacent blue and white pixels, blue and white pixels across each other diagonally opposite pair of red pixel, and cross through the blue and white pixels adjacent to the red pixel and a green pixel diagonally to each other, each pixel comprising a pixel electrode and a thin film transistor; extending in the row direction of the pixel to a gate signal for conveying a plurality of gate line; and extending in the column direction, and for conveying the data signals to the plurality of data lines of the pixel.

在列方向或行方向中相邻的两组像素中蓝色像素和白色像素的相对位置优选地相反。 The relative location of the blue and white pixels are preferably two opposite adjacent pixels in the column direction or the row direction.

按本发明的实施例,像素具有矩形形状,蓝色像素和白色像素按列方向排列以形成分开的列(separate column)。 Example of the present invention, the pixel has a rectangular shape, blue and white pixels arranged in the column direction to form separate column (separate column).

按本发明的另一实施例,蓝色像素和白色像素是三角形的,以形成菱形,且蓝色像素和白色像素之间的边界线按行方向或列方向延伸。 According to another embodiment of the present invention, blue and white pixels are triangular, to form a diamond, and a boundary line between blue and white pixels extending in row or column direction.

优选的是,相邻两列中的红色像素位于不同的行中,且那些相邻行中的红色像素位于不同的列中,其中,相邻两列中的绿色像素位于不同的行中,且相邻行中的绿色像素位于不同的列中,且其中,行方向上相邻两组像素中的蓝色像素或白色像素位于不同的行中,或列方向上相邻两组中的蓝色像素或白色像素位于不同的列中。 Preferably, the red pixel is located adjacent to two different rows, and those red pixels in adjacent rows are in different columns, wherein two adjacent green pixels located in different rows, and adjacent rows of green pixels in different columns, and wherein two adjacent pixels in the row direction or blue pixel white pixels on different rows, or column direction in two adjacent blue pixel or white pixels in different columns.

可通过绘图(rendering)来驱动液晶显示器。 The liquid crystal display may be driven by the drawing (rendering).

附图说明 BRIEF DESCRIPTION

通过结合附图对本发明优选实施例的描述,本发明的上述的和其他的优点将变得更清楚,其中:图1是按本发明实施例的LCD的横截面图;图2到5是按本发明实施例的LCD用的滤色片排列示意图;图6是显示按本发明实施例的光源的示意性光谱曲线图;图7和8是按本发明实施例的LCD用的滤色片阵列板的剖视图;图9是LCD的响应时间与其显示单元间隙(cell gap)之间的函数关系曲线图;图10是按本发明另一实施例的LCD的剖视图;图11到13本发明实施例的LCD的像素排列示意图;图14是有图11所示像素排列的LCD的可见度的图片;图15和17分别是按本发明实施例的LCD用的TFT阵列板的布图,图16和18分别是沿线XVI-XVI'和XVIII-XVIII'剖开的图15和17所示的TFT阵列板的剖视图;图15是按本发明实施例的有图11所示像素排列的LCD用的TFT阵列板的布图;图16是沿线XVI-XVI'剖开的图15所示TFT阵列板 Description of embodiments in conjunction with the accompanying drawings of the preferred embodiments of the present invention, the above and other advantages of the present invention will become more apparent, wherein: FIG. 1 is a cross-sectional view of an LCD according to an embodiment of the present invention; FIG. 2 to 5 are press LCD color filter with an embodiment of the present invention, a schematic arrangement; FIG. 6 is a schematic spectrum light source according to an embodiment of the present invention, a graph display; LCD 7 and 8 are a color filter array of an embodiment according to the present invention a cross-sectional view of the plate; FIG. 9 is a LCD response time and its graph showing a functional relationship between the cell gap (cell gap) display; FIG. 10 is a sectional view of an LCD according to the present invention, another embodiment of; the embodiment of Figure 11-13 invention an LCD pixel arrangement schematic diagram; FIG. 14 is a picture visibility of FIG. 11 pixels in FIG arrangement of the LCD; Figs. 15 and 17 are layout LCD using a TFT array panel of an embodiment according to the present invention, FIGS. 16 and 18 are sectional views along line XVI-XVI 'and XVIII-XVIII' of FIG. 15 taken and the TFT array panel shown in FIG. 17; FIG. 15 is according to the invention embodiment shown in the LCD pixel 11 arranged in TFT array layout plate; FIG. 16 along the line XVI-XVI 'TFT array panel shown in FIG. 15 taken 剖视图;图17是按本发明实施例的有图12所示像素排列的LCD用的TFT阵列板的布图;以及图18是沿线XVIII-XVIII'剖开的图17所示的TFT阵列板的剖视图。 Cross-sectional view; FIG. 17 is according to the invention embodiment shown in the LCD 12 of the pixel layout of the TFT array panel arrangement; and FIG. 18 along the line XVIII-XVIII 'TFT array panel shown in FIG. 17 taken sectional view.

具体实施方式 detailed description

以下参见显示本发明优选实施例的附图更充分地描述本发明。 Next, referring to the display of the present invention is described more fully with the accompanying drawings of the preferred embodiments of the present invention.

为了更清楚,附图中的层厚度和区域都放大了。 To more clearly, the layer thickness and the area are magnified in the drawings. 相同的附图标记指示相同的元件。 The same reference numerals refer to like elements. 应了解,当说例如层、区域或衬底的元件是“在其它元件上”时,可以是这些元件直接在其他元件上或中间元件也可以存在。 It should be appreciated, for example when the said element layer, region or substrate is "on another element," when these elements may be directly or intervening elements may also be present on the other element. 相反,当说元件“直接在其他元件上”时,则表示没有插入的元件。 In contrast, when the said element being "directly on the other element" is, there are no intervening elements.

现在参见附图详细描述按本发明实施例的LCD。 Detailed Description Referring now to the embodiment of the LCD according to the present invention, the accompanying drawings.

图1是按本发明实施例的LCD的横截面图。 FIG 1 is a cross sectional view of an LCD according to an embodiment of the present invention. 图2到5显示按本发明的实施例的LCD的滤色片的排列。 FIGS 2-5 show embodiments of the present invention is arranged in an LCD color filter.

如图1所示,LCD包括:下板100,面对下板100的上板200,和夹在下板和上板之间且包含按预定方向对准的液晶分子的液晶层3。 As shown, LCD 1 comprising: a lower plate 100, the face 200, sandwiched between the lower plate and the lower plate and the upper plate 100 and the plate crystal layer containing liquid crystal molecules aligned in a predetermined direction 3. LCD还包括上和下偏光镜12和22,上和下补偿膜13和23,和背光单元350。 LCD further comprises upper and lower polarizers 12 and 22, the upper and lower compensation films 13 and 23, and the backlight unit 350. 加电场时液晶分子取向变化。 When the liquid crystal molecular orientation changes in an electric field. 透光率随液晶分子取向变化。 Light transmittance varies with the orientation of liquid crystal molecules.

下板100包括:优选地用例如玻璃的透明绝缘材料构成的下衬底110,下衬底110上形成的多个薄膜晶体管(TFT),和连接到TFT并优选地用例如氧化铟锡(ITO)和氧化铟锌(IZO)的透明导电材料构成的多个像素电极190。 The lower plate 100 includes: a lower substrate 110 is preferably a transparent insulating material, for example made of glass, the plurality of thin film transistors (TFT) formed on a substrate 110, and connected to the TFT and is preferably used such as indium tin oxide (ITO ) and a plurality of pixel electrode 190, indium zinc oxide (IZO) is a transparent conductive material. 每个TFT转换加到像素电极190的数据电压。 Converting the data voltage applied to each TFT 190 of the pixel electrode.

下补偿膜13和下偏光镜12贴附到下衬底110的外表面上。 Lower compensation film 13 and the lower polarizer 12 is attached to the outer surface of the lower substrate 110. 下补偿膜13有双轴性或单轴性。 The lower compensation film 13 have uniaxial or biaxial. 可以省略下补偿膜13。 Lower compensation film 13 may be omitted.

上板200包括:优选地用例如玻璃的透明绝缘材料构成的上衬底210,限定按矩阵排列的多个像素区的黑矩阵220,形成在由黑矩阵220限定的像素区中的多个红、绿、蓝色滤色片230R、230G和230B,和优选地用例如ITO和IZO的透明导电材料构成的公共电极270。 The upper plate 200 comprising: a substrate, for example, preferably with a transparent insulating material 210 formed of glass, a black matrix 220 defining a plurality of pixel regions arranged in a matrix, a plurality of red in a pixel region defined by the black matrix 220 in , green, and blue color filters 230R, 230G, and 230B, and a common electrode is preferably a transparent conductive material such as ITO and IZO configuration 270.

顺序排列红、绿、蓝色滤色片230R、230G和230B。 Order red, green, and blue color filters 230R, 230G, and 230B. 没有任何红、绿、蓝色滤色片230R、230G和230B的像素区表示白色像素区W,它同等地阻挡或通过入射光的全部分量。 No red, green and blue color filters 230R, 230G, and 230B of the pixel area represents a white pixel regions W, it is equally by all of the components or blocks incident light. 由于白色像素区W没有滤色片,所以,在白色像素区W上的滤色片板200的内表面高度小于其他R、G、B像素区上的滤色片板200的内表面高度,在白色像素区W上的显示单元间隙大于其他像素区上的显示单元间隙。 Since the white color is not the color filter pixel region W, so that the inner surface of the color filter plate on a white pixel region W, a height 200 less than the height of the color filter plate surface of the other R, G, B pixel region 200, the clearance on the display unit W is larger than the white pixel area of ​​the display unit on the other pixel gap region.

本说明书中,技术术语“像素”是指用于显示图像的基本功能元件,它包括像素电极190,对着像素电极1 90的公共电极270的一部分,像素电极190与公共电极270的相应部分之间的液晶层3的一部分,TFT,和滤色片230R、230G或230B。 The present specification, the technical term "pixel" refers to the basic functional elements for displaying an image, comprising 190, a portion of the common electrode 270 facing the pixel electrode 190, the corresponding portion of the pixel electrode of the pixel electrode 190 and the common electrode 270 of the a portion between the liquid crystal layer 3, TFT, and the color filter 230R, 230G or 230B. 此外,术语“像素区”是指像素占据的面积。 Further, the term "pixel region" refers to the area occupied by the pixel. 但是,为了描述方便,两个术语“像素”和“像素区”在本说明书中没有差别地使用。 However, for convenience of description, the terms "pixel" and "pixel region" used there is no difference in this specification.

参见图2,红、绿、蓝和白色像素区R、G、B和W的数量相同。 2, the same number of red, green, blue and white pixel regions R, G, B and W, see Fig. 按行方向顺序排列红、绿、蓝和白色像素区R、G、B和W。 A row direction sequentially arranged red, green, blue and white pixel regions R, G, B and W. 每个蓝色像素区B和白色像素区W的大小是每个红色像素区R和绿色像素区G的一半。 Each blue pixel regions B and white pixels W in the size region of each red pixel R and the green pixel region G half region. 因此一个蓝色像素区B和一个白色像素区W之和与一个红色像素区R或一个绿色像素区G大致相同。 Thus a blue pixel region B and the region W is a white pixel and a red pixel region R and a green pixel region G or substantially the same.

参见图3,包括相同像素的2×3像素阵列形成作为图像基本元件的点。 Referring to Figure 3, comprises a 2 × 3 pixels in the same pixel array as an image dot is formed in the base element. 第一像素行包括顺序排列的红、蓝和绿像素,第二像素行包括顺序排列的绿、白和红像素。 The first pixel row includes red, blue and green pixels sequentially arranged, comprising a second row sequentially arranged pixel green, white and red pixels.

图4所示的像素排列与图3所示的像素排列相同,只是蓝色像素B扩大了,而白色像素W缩小了。 Pixel pixel arrangement shown in FIG. 4 and FIG. 3 are arranged as shown in the same, but the expanded blue pixel B and the white pixel W reduced.

图5所示的像素排列与图3所示的像素排列相同,只是包围白色像素W的黑矩阵BW的部分扩大了,以具有比其他部分宽的宽度,其设置来隐蔽由于高度不同而产生的旋转位移(disclination)线。 Pixel arrangement shown in FIG. 5 and FIG. 3 are arranged in the same pixel shown, but white pixels surrounded by black matrix W BW enlarged portion, having a width wider than other portions, arranged at different heights due to concealment generated disclination (disclination) line.

上补偿膜23和上偏光镜22贴附到上衬底210的外表面上。 The upper compensation film 23 and the polarizer 22 is attached to the outer surface 210 of the substrate. 上补偿膜23有双轴性或单轴性。 The upper compensation film 23 has a uniaxial or biaxial. 可以省略上补偿膜23。 The upper compensation film 23 may be omitted.

背光单元350放在下偏光镜12的背面。 The backlight unit 350 on the back surface 12 of the polarizer. 背光单元350设置有包括冷阴极管的光源351和导光板352。 The backlight unit includes a light source 350 is provided with a guide plate 351 and the cold cathode tube 352.

本实施例中,由于一个点包括红、绿、蓝和白色像素,所以,不增大点的总面积就能提高光学效率。 In this embodiment, since a point including red, green, blue and white pixels, thus, without increasing the total area of ​​dots can be increased optical efficiency.

假设通过下偏光镜12的光量为1。 Suppose the amount of light by the polarizer is a mirror 12.

就包括红、绿和蓝像素的3个像素的点而言,每个像素的面积是点的总面积的1/3。 Including red, point 3 in terms of pixels of the green and blue pixels, the total area of ​​each pixel area of ​​the 1/3 point. 由于滤色片的透光率是1/3,所以,点的总透光率等于1/3×1/3+1/3×1/3+1/3×1/3=1/3≈33.3%。 Since the light transmittance of the color filter is 1/3, the total light transmittance point is equal to 1/3 × 1/3 + 1/3 × 1/3 + 1/3 × 1/3 = 1 / 3≈ 33.3%.

就图2所示的点而言,每个红和绿像素的面积是总面积的1/3,而每个蓝和白色像素的面积是总面积的1/6。 For points shown on FIG. 2, each of the red and green pixels of the area it is 1/3 of the total area, while the area of ​​each of blue and white pixels is 1/6 of the total area. 由于白色像素的透光率是1,而其它像素的透光率是1/3,所以,点的总透光率等于1/3×1/3+1/3×1/3+1/6×1/3+1/6×1=4/9≈44.4%。 Since the light transmittance of the white pixel is 1, and the transmittance of the other pixels is 1/3, the total light transmittance point is equal to 1/3 × 1/3 + 1/3 × 1/3 + 1/6 × 1/3 + 1/6 × 1 = 4 / 9≈44.4%. 因而与现有3色LCD比,亮度增大至约1.5倍。 Thus the ratio of the conventional three-color LCD, the luminance is increased to about 1.5 times.

尽管蓝色像素的面积小于红色或绿色像素的面积,但是,与红光和绿光相比人们对蓝色光量变化不太敏感,因此面积减小对图像质量的影响较小。 Although the blue pixel area smaller than that of the red or green pixel, however, less sensitive to red and green as compared to blue light quantity variation people, thus reducing the area of ​​little influence on the image quality.

但是,蓝色像素面积减小会使图像稍微变坏,即,使图像略带黄色。 However, the blue pixel area will be reduced slightly deteriorated image, i.e., image slightly yellow.

为了克服该缺点,光源351发射的光蓝色分量增大,以防止出现略带黄色的图像。 To overcome this drawback, light emitted from the blue light source component 351 is increased, to prevent the image appears slightly yellow.

光源351发射的光有颜色坐标(x,y),其中x的范围是约0.31至约0.34,y的范围是约0.32至约0.35。 The light source 351 emitted light color coordinates (x, y), where x ranges from about 0.31 to about 0.34, y is in the range of from about 0.32 to about 0.35. 这种光比现有LCD背光光源发射的光包含更多的蓝光分量。 This light emission than the conventional LCD backlight light source comprises more blue light component. 要获得这样的光源,在光源351中包含的发蓝色光的材料应增加预定量。 To obtain such a light source, the material contained in the blue light source 351 should be increased by a predetermined amount.

图6是显示按本发明实施例的光源的示例性光谱的曲线。 FIG 6 is a graph showing an exemplary spectrum of the light source in accordance with embodiments of the present invention. 与用“蓝1”表示的现有光源的光谱曲线相比,用“蓝1.09”和“蓝1.18”表示的曲线显示出约440-470nm范围波长下增大的峰值,该范围表示蓝光,以及约620-650nm范围波长下减小的峰值,该范围表示红光。 Compared with the existing light sources with spectral curve "Blue 1" represented by "blue 1.09" and "1.18 Blue" curve represents exhibit increased at the range of about 440-470nm wavelength peak represents the blue range, and wavelength range about 620-650nm under reduced peak represents the red range.

同时,由于白色像素W没有滤色片,所以从光源531来的白色像素W的光输出可以看到是带蓝色。 Meanwhile, since the white pixel without the color filter W, the light output from the light source 531 to the white pixel W may be seen bluish. 然而,白色像素W的使入射光发黄的更大的单元盒间隙防止了光发蓝。 However, the white pixel W incident light yellow larger unit cell gap prevents light blue.

图7和8是用于根据本发明另一实施例的LCD的滤色片阵列板的剖视图。 7 and FIG. 8 is a sectional view of a color filter array panel of an LCD according to another embodiment of the present invention is used.

参见图7,滤色片阵列板200包括:透明绝缘衬底210,形成在绝缘衬底210上有多个限定像素区的小孔的黑矩阵220,各个像素区中形成的多个红、绿、蓝和透明滤色片230R、230G、230B和230W,形成在滤色片230R、230G、230B和230W上的涂层250,和形成在涂层250上的公共电极270。 Referring to Figure 7, the color filter array panel 200 includes: a transparent insulating substrate 210, a plurality of small holes are formed in pixel regions defined on the insulating substrate 210. The black matrix 220, a plurality of pixel regions formed in each of the red, green , and transparent blue color filters 230R, 230G, 230B and 230W, a color filter formed 230R, 230G, 230B and 230W in the coating 250, and a common electrode 250 is formed on the coating layer 270. 透明滤色片230W优选地包含透明有机材料,例如无颜料的光敏材料。 Transparent color filter 230W preferably comprises a transparent organic material such as unpigmented photosensitive material.

图8所示的滤色片阵列板200不包括透明的滤色片。 A color filter array panel shown in FIG. 8 200 does not include a transparent color filter. 取而代之地,涂层250在白色像素区W中的部分的厚度比它的其他部分的厚度厚,造成表面的高度差等于或小于0.2μm。 Instead, the coating thickness of 250 W in the white pixel region is thicker than that portion of the other portions, resulting in the height difference surface is less than or equal to 0.2μm. 因此,所有像素的显示单元间隙几乎一致,与图7所示滤色片阵列板200相比,由于省去了形成透明的滤色片230W的步骤,所以,可以用较简单的工艺制造滤色片阵列板200。 Accordingly, all the pixels of the display unit of the gap is almost the same, compared to the color filter array panel 200 shown in FIG. 7, by omitting the step of forming the transparent color filter 230W is, therefore, possible with a relatively simple process for producing a color sheet array plate 200.

图7和8所示的滤色片阵列板200通过设置透明的滤色片230W,或通过增加白色像素W处的涂层250的厚度,从而减小了白色像素W与其他像素区R、G和B之间的台阶差。 200 by the transparent color filter 230W, or by increasing the coating thickness of the white pixel W at the color filter array panel shown in FIGS. 7 and 8 250, thereby reducing the white pixel with the other pixel region W R, G and the step difference between B.

台阶差减小和一致的显示单元间隙防止了白色像素区W出现黄色光和在台阶处出现旋转位移线。 The display unit is reduced and the step difference prevents uniform gap W white pixel region appears in yellow light and rotational displacement occurs at the step line.

优选地,显示单元间隙或液晶层的厚度等于约3.7μm,滤色片的厚度约为1.5至1.6μm。 Preferably, the thickness of the display cell gap or liquid crystal layer is equal to about 3.7 m, a thickness of the color filter is about 1.5 to 1.6μm.

图9是响应时间与LCD的显示单元间隙的函数关系曲线。 FIG 9 is the response time as a function of the cell gap of the LCD display profile.

图9中“on”表示导通响应时间,“off”表示截止响应时间。 FIG 9 "on" indicates ON response time, "off" indicates OFF response time.

如图9所示,随着显示单元间隙增大响应时间减小。 9, as the gap increases the response time of the display unit is reduced. 当显示单元间隙达到3.7μm时,响应时间为最小值。 When the gap reaches the display unit 3.7μm, the minimum response time. 随着显示单元间隙远离3.7μm,响应时间再次增大。 As the display unit away from the gap 3.7μm, the response time is increased again.

图10是按本发明另一实施例的LCD的剖视图。 FIG 10 is a sectional view of an LCD according to another embodiment of the present invention.

参见图10,按本实施例的LCD包括:TFT阵列板,滤色片阵列板200和夹在它们之间的液晶层3。 Referring to FIG. 10, according to the present embodiment, an LCD comprises: TFT array panel, a color filter array panel 200 sandwiched therebetween the liquid crystal layer 3.

滤色片阵列板200包括:优选地由例如玻璃的透明绝缘材料制成的上板210,上板210上形成的限定按矩阵排列的多个像素区的黑矩阵220,基本位于像素区中的多个红、绿和蓝色滤色片230R、230G和230B,在滤色片230R、230G和230B上形成的涂层250,和优选地用例如ITO和IZO的透明导电材料构成的且有多个切口(cutout)271的公共电极270。 The color filter array panel 200 includes: an upper plate is preferably made of, for example, an insulating material 210 made of a transparent glass, the regions defining a plurality of pixels arranged in a matrix of the black matrix formed on the panel 210220, the pixel region is located substantially a plurality of red, green and blue color filters 230R, 230G, and 230B, the coating formed on the color filters 230R, 230G, and 230B 250, and preferably with a transparent conductive material such as ITO and IZO and constituting a plurality cutouts (cutout) 271 common electrode 270.

顺序排列红、绿和蓝滤色片230R、230G和230B。 Order of red, green and blue color filters 230R, 230G, and 230B. 没有红、绿和蓝滤色片230R、230G和230B中的任何一个的像素区表示白色像素区W,它等同地阻挡或通过入射光的所有分量。 No red, green and blue color filters 230R, 230G any pixel region 230B and represents a white pixel region W, which is equivalent block or by all components of the incident light. 由于白色像素区W没有滤色片,所以白色像素区W上的滤色片板200的内表面形成盆形构造(basin)。 Since the white color is not the color filter pixel region W, the inner surface of the color filter plate 200 is a white pixel regions W for forming cup-shaped configuration (basin).

TFT阵列板100包括绝缘衬底110上形成的多个栅极电极123,栅极电极123上形成的栅极绝缘层140,与栅极电极123相对的在栅极绝缘层140上形成的优选地用非晶硅构成的多个半导体154,半导体154上形成的多个欧姆接触层163和165,分别形成在欧姆接触层163和165上的多个源和漏电极173和175,覆盖源和漏电极173和175并有露出漏电极175的多个接触孔181的保护层180,和通过接触孔181连接到漏电极175并有多个切口191的多个像素电极。 TFT array panel 100 includes a plurality of gate electrodes formed on an insulating substrate 110, 123, preferably the gate insulating layer 123 is formed on the gate electrode 140, the gate electrode 123 is formed opposite to the insulating layer 140 on the gate a plurality of semiconductor made of amorphous silicon 154, a plurality of ohmic contact layers 163 and 154 formed on the semiconductor 165, a plurality of source and drain electrodes are formed on the ohmic contact layer 163 and the electrodes 173 and 165 175, covering the source and drain electrodes 173 and 175 and has a plurality of drain electrodes 175 are exposed in the contact hole 181 of the protective layer 180, and via a contact hole 181 to the drain electrode 175 and a plurality of pixel electrodes 191, a plurality of cutouts. TFT阵列板100上还设置有连接到栅极电极123的用于向其输送扫描信号的多根栅线(没画),和连接到源电极173用于向其输送数据信号的多根数据线(没画)。 100 is also provided on the TFT array panel with a gate electrode connected to a plurality of gate lines to which the scanning signal is conveyed (not shown), and connected to the source electrode 173 to which a plurality of data lines 123 conveying a data signal (not drawn).

保护层180的表面在白色像素W凸出而形成凸台。 The surface protective layer 180 is a white pixel W is formed projecting boss.

滤色片阵列板的盆形结构与TFT阵列板的凸台彼此相对,使白色像素区W与其他像素有大致相同的显示单元间隙。 Boss pelvis TFT array panel and the color filter array panel is opposed to each other, the white pixel region with the W pixel have substantially the same other cell gap of the display.

通过利用有半透明区以及透明区和不透明区的光掩模的光刻,形成上述的保护层180。 By using translucent area and transparent area lithography photomask and opaque regions, forming the protective layer 180. 淀积保护层180并在其上覆盖光致抗蚀剂膜后,对准光掩模,使透明区和不透明区面对接触孔181和白色像素区W,而半透明区面对其余的区域。 The protective layer 180 is deposited thereon and, after covering the photoresist film a photomask aligned with the transparent region and the opaque region facing the contact holes 181 and white pixel regions W, and the remaining area facing the translucent region . 曝光和显影后,除去光致抗蚀剂膜在接触孔180上的部分以露出保护层180的一部分,留下白色像素区W上的部分,其他部分的厚度减小。 After exposure and development, the photoresist film is removed in the portion of the contact hole 180 to expose a portion of the protective layer 180, leaving a portion of the white pixel region W, a thickness of the other portion is reduced. 通过用光致抗蚀剂膜作为蚀刻掩模进行蚀刻来形成接触孔181,且灰化光致抗蚀剂膜,使得除去厚度减小的光致抗蚀剂膜部分,露出保护层180的一部分。 A contact hole 181 formed through the photoresist film as an etching mask for etching, and ashing a photoresist film, the film is removed so that the portion of reduced thickness of the photoresist, the exposed portion of the protective layer 180 . 因此,只留下在白色像素区W上的光致抗蚀剂膜部分。 Thus, leaving only the photoresist film portion in the pixel region W white. 用光致抗蚀剂膜作为蚀刻掩模刻蚀保护层180,使得减薄保护层180的露出部分,以在白色像素区W上形成凸台。 The photoresist film as an etching mask etching protection layer 180, the protective layer is thinned such that the exposed portion 180 to form a projection on a white pixel region W.

同时,TFT阵列板100的制造中引入多个光刻步骤,且对有半透明区以及透明区和不透明区的光掩模的利用减少了光刻步骤的数量。 Meanwhile, a plurality of lithographic steps for manufacturing the TFT array panel 100 is introduced, and the semitransparent region and the transparent region by using the photomask has opaque regions and reduces the number of photolithography steps. 用光致抗蚀剂膜可构成有不同图形的若干层,该光致抗蚀剂膜具有利用光掩模制成的与位置相关的厚度。 Photoresist film may be composed of several layers of different patterns, the photoresist film having a thickness related to the position using a photomask formed. 例如,用这种光致抗蚀剂膜形成半导体154、欧姆接触层163和165、以及源电极163和漏电极165,因此,与用只有透明区和不透明区的光掩模的情况相比,可以用较少的掩模制成TFT阵列板100。 For example, this forming a photoresist film semiconductor 154, ohmic contact layers 163 and 165, and a source electrode 163 and drain electrode 165, and therefore, compared to the case with only the light transparent region and an opaque mask zone, It can be formed with fewer mask TFT array panel 100. 这种情况下,源电极163和漏电极165,和欧姆接触层有基本相同的平面形状,半导体154除沟道区外与源电极163和漏电极165有基本相同的平面形状。 In this case, the source electrode 163 and drain electrode 165, and the ohmic contact layer have substantially the same planar shape except for the channel region of the semiconductor 154 and the source electrode 163 and drain electrode 165 have substantially the same planar shape.

TFT阵列板100和滤色片阵列板200对准以进行装配。 TFT array panel 100 and the color filter array panel 200 are aligned to be assembled. 然后,液晶材料3被注入TFT阵列板100和滤色片阵列板200之间的间隙并被垂直排列。 Then, the liquid crystal material 3 is injected into the TFT array panel 100 and the color filter array panel 200 and the gap between the vertically aligned. 代表液晶层3的在像素中的部分的像素区通过像素电极190和公共电极270的切口191和271分割成多个畴。 Denotes a liquid crystal layer in the pixel region of the pixel portion of the pixel electrode 190 and the common electrode cut 270 and 191 through 271 is divided into a plurality of domains 3. 这些畴在加电场的情况下根据其中液晶分子的倾斜方向分成4类。 The inclination direction of the domains in which liquid crystal molecules are divided into four categories in the case of electric field is applied. 多种畴可以提供宽的视角。 Multiple domains can provide a wide viewing angle.

图11到13显示出按本发明另一实施例的像素排列。 Figures 11 to 13 shows a pixel arrangement according to another embodiment of the present invention.

参见图11到13,按本实施例的LCD包括类似PenTile Matrix排列的红、蓝和绿像素R、B和G,以及邻近蓝色像素B的白色像素W。 Referring to FIGS. 11 to 13, according to the present embodiment comprises a LCD white pixels arranged in a similar PenTile Matrix red, green and blue pixels R, B and G, and the blue pixel B adjacent to W.

为便于描述,规定像素组包括:彼此相邻的蓝和白像素B和W,一对横跨蓝和白像素B和W彼此斜对的红像素R,一对横跨蓝和白像素B和W彼此斜对的并与红像素R相邻的绿像素G。 For ease of description, a predetermined group of pixels comprising: adjacent to each other and the blue pixels B and white W, a pair of blue and white pixels across the B and W each other diagonally of the red pixel R, a pair of blue and white pixels across and B W diagonally opposite each other and with the red pixels R adjacent to the green pixel G. 然后,重复这种像素组的排列获得图11到13的像素排列。 Then, this arrangement is repeated to obtain the pixel arrangement of pixel groups 11 to 13 of FIG. 注意,在列方向上或行方向上相邻的两组像素中的蓝像素B和白像素W的相对位置相反。 Note that, contrary relative position B in the blue pixel adjacent in the column direction or the row direction and two pixels in the white pixel W.

图11所示的蓝像素B和白像素W是矩形,同红像素R和绿像素G一样,且在列方向上排列而形成分开的列。 11 and FIG blue pixel B is a white pixel W illustrated rectangular like the red pixel R and the green pixel G, and aligned in the column direction to form separate columns.

或者,图12和13所示的蓝像素B和白像素W是等腰三角形,一对蓝像素B和白像素W使其底边相对,形成菱形。 Alternatively, FIG. 12 and the blue pixel B and the white pixel W is an isosceles triangle shown in FIG. 13, a pair of blue pixels B and white pixels W base opposite it, form a diamond. 图12所示的蓝像素B和白像素W按列方向排列,而图13所示的蓝像素B和白像素W按行方向排列。 Blue pixel B and the white pixel W shown in FIG. 12 arranged in the column direction, and the blue pixel B, and FIG white pixels W in FIG. 13 are arranged in the row direction. 因此,图12所示的蓝像素B和白像素W之间的边界线与像素行之间的边界线匹配,而图13所示的蓝像素B和白像素W之间的边界线与像素列之间的边界线匹配。 Thus, the boundary line between the boundary line and the pixel rows between the blue pixel B shown in FIG. 12 and a white pixel W match, the boundary line between the blue pixel B shown in FIG. 13 and white pixel W and the pixel columns a boundary line between the matching.

参见图11和12,在行方向上相邻的两组像素中的蓝像素B和白像素W的相对位置相反。 Referring to FIGS. 11 and 12 adjacent in the row direction two pixels in the blue pixel B and the relative position of the white pixel W is opposite. 但是,参见图13,在列方向相邻的两组像素中的蓝像素B和白像素W的相对位置相反。 However, referring to Figure 13, adjacent in the column direction opposite to the blue pixel B in the relative positions of the two pixels and a white pixel W.

在这种排列中,相邻两列的红像素R位于不同的行中,而相邻行中的红像素R位于不同的列中。 In this arrangement, two adjacent red pixel R are in different rows, and the red pixels R adjacent rows in different columns. 同样,相邻两列中的绿像素G位于不同的行中,而相邻行中的绿像素G位于不同的列中。 Similarly, two green pixels G in different adjacent rows, while the green pixel G in different adjacent rows of columns. 此外,行方向中的相邻两组中的蓝像素B或白像素W位于不同的行中,如图11和12所示;或者,列方向中的相邻两组中的蓝像素B或白像素W位于不同的列中,如图13所示。 In addition, two adjacent in the row direction in the blue pixel B or white pixel W in different rows, as shown in Figures 11 and 12; alternatively, two adjacent sets of the blue pixel B in the column direction or white W pixels in different columns, as shown in Fig. 因此,同色的像素,特别是蓝色像素沿列方向和行方向按锯齿形排列。 Thus, the pixels of the same color, especially blue pixel column direction and the row direction are arranged in a zigzag.

按这些实施例的LCD从例如图像控制器的外部数据源接收RGB图像数据,并提取白色像素W的图像数据以驱动4色像素。 The LCD image data according to the embodiment receives the RGB image data from an external image data source controller, and extracts the white pixel W 4 to drive the color pixel.

显示图像的点优选地包括上述的像素组,该像素组包括:一对蓝像素B和白像素W,一对红色像素R和一对绿色像素G。 Display point preferably comprises the above-described image pixel group, the pixel group comprises: a pair of blue pixels B and white pixels W, one pair of the red pixel R and a pair of green pixel G.

但是,绘图时,点可以包括列中的一对蓝像素B和白像素W,以及一对红色和绿色像素。 However, when the drawing point may include a pair of blue pixels B and white pixels W column, and a pair of red and green pixels.

任何情况下,这些像素排列防止了现有LCD中产生的垂直线图形,该现有LCD中诸如蓝色像素的同色像素按列方向排列,且清晰度不够高。 In any case, these pixels are arranged to prevent the vertical line pattern generated in the conventional LCD, the LCD in the conventional same-color pixels such as blue pixels arranged in the column direction, and the resolution is not high enough. 因此,有PenTile Matrix像素排列的LCD能提高图像质量。 Therefore, PenTile Matrix LCD pixels arranged in the image quality can be improved.

图14是显示有图11所示像素排列的LCD的可见度的图片。 FIG 14 is a picture visibility of an LCD pixel arrangement 11 shown in FIG. 如图14所示,没有可识别的垂直线图形。 As shown in FIG. 14, no vertical line pattern can be identified.

以下参见图15到18描述有图11和12所示像素排列的LCD用的示例性TFT阵列板。 Described below with reference to FIGS. 15 to 18 and FIG. 11 is an exemplary TFT array panel shown in FIG. 12 of the LCD pixel array.

图15和17是按本发明实施例的LCD用的TFT阵列板的布图,图16和18分别是沿线XVI-XVI'和XVIII-XVIII'剖开的图15和17所示的TFT阵列板的剖视图。 15 and FIG. 17 is a layout of a TFT LCD array panel according to an embodiment of the present invention, FIGS. 16 and 18, respectively, along lines XVI-XVI 'and XVIII-XVIII' of FIG. 15 taken and the TFT array panel shown in FIG. 17 the cross-sectional views.

参见图12,按这些实施例的LCD包括:在行和列方向上排列的多个红、绿、蓝和白色像素R、G、B和W。 12, the LCD according to the embodiment includes: a plurality of red arranged in the row and column directions, green, blue and white pixels R, G, B and W.

如图所示,栅极布线形成在透明绝缘衬底110上。 As shown, the gate wiring is formed on a transparent insulating substrate 110. 栅极布线包括大致按行方向延伸的多根栅线121和连接到栅线121的多个栅极电极123。 The gate wiring includes a plurality of gate lines extending in a substantially row direction and a plurality of gate electrodes 121 is connected to the gate line 121 123. 每根栅线121的端部125加宽以与外部电路连接。 Each gate line 121 is widened portion 125 with an external circuit.

栅极布线优选地用有低电阻率的金属,例如,铝,银等构成。 Preferably, the gate wiring with a low resistivity metal, e.g., aluminum, silver, or the like.

在包括栅极布线的衬底的整个表面上形成栅极绝缘层140。 The gate insulating layer 140 is formed on the entire surface of the substrate includes a gate wiring.

在栅极绝缘层140上形成优选地用非晶硅构成的多个半导体岛154,在半导体岛154上形成优选地用硅化物或n型杂质重度掺杂的非晶硅构成的多个欧姆接触层163和165。 Preferably formed on the gate insulating layer 140 is 154, preferably formed with a plurality of ohmic silicide or n-type heavily impurity-doped amorphous silicon on the semiconductor island in contact with the plurality of semiconductor islands 154 made of amorphous silicon layers 163 and 165.

在欧姆接触层163和165以及栅极绝缘层140上形成优选地用有低电阻率的金属,例如铝、银等构成的数据布线。 In the ohmic contact layers 163 and 165 and the data wiring is formed preferably on the gate insulating layer 140 has a low resistivity metal, for example, a aluminum, silver, or the like.

数据布线包括:大致在列方向延伸并与栅线121交叉以限定多个像素区的多根数据线171、作为数据线171的分支并延伸到欧姆接触层163上的多个源电极173、以及与源极电极173分开的且形成在欧姆接触层165上关于栅极电极123而与源极电极173相对的多个漏电极175。 The data wiring includes: a substantially extending in the column direction and intersect the gate line 121 to define a plurality of data lines 171, a plurality of pixel regions, as a branch of the data line 171 and extends to a plurality of source electrodes on the ohmic contact layer 163 173, and separated from the source electrode 173 and formed on the ohmic contact layer 165 on the gate electrode 123 and the electrode 173 opposite to the drain electrode 175 and a plurality of source. 每根数据线171的端部179加宽以与外电路连接。 Each data line 171 is connected to the widened end portion 179 with an external circuit.

在数据布线和没有被数据布线覆盖的半导体岛154的露出部分上形成钝化层180。 The passivation layer 180 is formed on the exposed portion of the data wiring and the semiconductor islands not covered with the data wiring 154. 钝化层180有分别露出漏电极175和数据线171的端部179的多个接触孔185和189。 The passivation layer 180 respectively exposing the drain electrode 175 and the data line 171 of the plurality of contact holes 179 of the end portions 185 and 189. 钝化层180和栅极绝缘层140有露出栅线121的端部125的多个接触孔182。 The passivation layer 180 and the gate insulating layer 140 have a plurality of contact holes 125 exposing the end portions 182 of the gate line 121.

钝化层180上形成多个像素电极190和多个辅助接点(contactassistant)95和97。 95 and 97 are formed a plurality of pixel electrodes 190 and a plurality of auxiliary contacts (contactassistant) on the passivation layer 180. 像素电极190通过接触孔185和187分别连接到漏电极175和存储电极177,辅助接点95和97分别通过接触孔182和189连接到栅线121的露出端125和数据线171的露出端179。 The pixel electrode 190 through the contact holes 185 and 187 are respectively connected to the drain electrode 175 and the storage electrode 177, the auxiliary contacts 95 and 97, respectively 121 exposed end 125 and a data line connected to the gate lines through the contact holes 182 and 189 171, the exposed end 179. 优选地用例如ITO(氧化铟锡)或IZO(氧化铟锌)的透明材料构成像素电极190和辅助接点95和97。 Preferably, for example, the pixel electrode 190 and the auxiliary contact ITO (indium tin oxide) or IZO (indium zinc oxide) of transparent material 95 and 97.

栅极电极123,源电极173和漏电极175以及半导体岛154形成TFT。 The gate electrode 123, source electrode 173 and drain electrode 175 and the semiconductor islands 154 are formed TFT.

参见图15和16,每个像素R、G、B和W具有与图11所示相同的矩形,而且栅线121、栅极电极123、数据线171、以及源电极173和漏电极175的排列也是一致的。 Referring to FIGS. 15 and 16, each of the pixels R, G, B and W have the same rectangular shape as shown in FIG. 11, and the gate line 121, gate electrode 123, the data line 171, and a source electrode 173 and drain electrode 175 are arranged It is concerned. 数据布线还包括覆盖在栅线121的扩展部分上的多个存储导体177,钝化层180还包括用于连接像素电极190和存储电极177的多个接触孔187。 Covering the data wiring further includes the gate line on the extension portion 121 of the plurality of storage conductors 177, the passivation layer 180 further comprises a plurality of contact holes 187,177 for connecting the pixel electrode 190 and the storage electrode. 每根栅线121有覆盖在存储电极177上的多个扩展部分,以形成存储电容器。 Each gate line 121 has a plurality of extension portions 177 cover the storage electrode to form a storage capacitor.

参见图17和18,像素R、G、B和W的像素电极190的形状与图12所示的相应的像素的形状类似。 Referring to FIGS. 17 and 18, similar to the shape of the corresponding pixel 190 in the shape shown in Fig. 12 the pixel electrode of the pixel R, G, B and W. 在衬底110上形成与栅线121大致平行延伸的且采用与栅极布线相同的材料构成的多根存储线131。 Is formed extending substantially parallel to the gate line 121 on the substrate 110 using the gate wiring 131 and the same plurality of storage lines material. 栅线121和存储线131位于像素行的边界附近,像素电极190和TFT关于存储线131对称排列。 The gate lines 121 and the storage line 131 near the boundary of the pixel row, the pixel electrode 190 and the TFT 131 are symmetrically arranged on the storage line. 存储线131与相邻的像素电极190交叠,以形成多个存储电容器。 Storage line 131 overlaps the pixel electrode 190 adjacent to form a plurality of storage capacitors.

参见图15到18,像素电极190与栅线121和数据线171交叠,以提供大的开口率。 Referring to FIGS. 15 to 18, the pixel electrode 190 and the gate line 121 and data line 171 overlap to provide a large aperture ratio.

以上尽管详细描述了本发明的优选实施例,但是,本行业的技术人员应了解,在本发明原理的基础上还会有许多变化或改进,这些变化或改进都属于后附的权利要求书所界定的本发明的精神和范围内。 While the foregoing detailed description of the preferred embodiments of the present invention, however, the sector art will appreciate, based on the principles of the present invention, there will be many changes or modifications, variations or improvements of these belong to the appended claims within the spirit and scope of the invention as defined.

Claims (20)

  1. 1.一种液晶显示器,包括:液晶显示板组件,包括多个红、绿、蓝和白色像素区;以及背光单元,位于液晶显示板组件的侧边,其中,背光单元发射的光有颜色坐标(x,y),其中x的范围是约0.31至约0.34,y的范围是约0.32至约0.35。 1. A liquid crystal display comprising: a liquid crystal display panel assembly comprising a plurality of red, green, blue and white pixel regions; and a backlight unit, a liquid crystal display located on the side panel assembly, wherein the backlight unit emits light with a color coordinate (x, y), where x ranges from about 0.31 to about 0.34, y is in the range from about 0.32 to about 0.35.
  2. 2.按权利要求1的液晶显示器,其中,蓝色像素区的面积小于红色和绿色像素区的面积。 2. The liquid crystal display according to claim 1, wherein the area of ​​the blue pixel region is smaller than the area of ​​the red and green pixel regions.
  3. 3.按权利要求2的液晶显示器,其中,液晶显示板组件包括:第一绝缘衬底;第一绝缘衬底上形成的多个薄膜晶体管;第一绝缘衬底上形成的并连接到薄膜晶体管的多个像素电极;面对第一绝缘衬底的第二绝缘衬底;第二绝缘衬底上形成的并限定像素区的黑矩阵;分别基本上形成在红、绿、蓝色像素区中的红、绿、蓝色滤色片;形成在滤色片上的公共电极;以及夹在第一绝缘衬底与第二绝缘衬底之间的液晶层。 3. The liquid crystal display as claimed in claim 2, wherein the liquid crystal display panel assembly comprising: a first insulating substrate; a plurality of thin film transistors formed on the first insulating substrate; formed on the first insulating substrate and connected to the thin film transistor a plurality of pixel electrodes; a second insulating substrate facing the first insulating substrate; formed on the second insulating substrate and a black matrix defining a pixel area; respectively formed substantially in the red, green and blue pixel regions, the common electrode is formed on the color filter;; red, green, and blue color filter and a liquid crystal layer sandwiched between a first insulating substrate and the second insulating substrate.
  4. 4.按权利要求3的液晶显示器,其中,白色像素区的面积小于红色像素区和绿色像素区的面积。 4. The liquid crystal display according to claim 3, wherein the area of ​​the white pixel region is smaller than the area of ​​the red pixel regions and green pixel regions.
  5. 5.按权利要求4的液晶显示器,其中,蓝色像素区和白色像素区的总面积基本上等于红色像素区和绿色像素区中任何一个的面积。 5. The liquid crystal display device according to claim 4, wherein the total area of ​​the blue pixel region and the white region is substantially equal to a pixel area of ​​the red pixel region and the green pixel region any.
  6. 6.按权利要求4的液晶显示器,其中,白色像素区附近的黑矩阵的宽度比其他像素区附近的黑矩阵的宽度宽。 6. The liquid crystal display device according to claim 4, wherein the width of the black matrix in the vicinity of the white pixel region is wider than the width of the black matrix in the vicinity of the other pixel region.
  7. 7.一种用于液晶显示器的滤色片阵列板,包括:绝缘衬底;绝缘衬底上形成的并限定红、绿、蓝和白色像素区的黑矩阵;分别基本上形成在红、绿、蓝色像素区中且包括红、绿、蓝颜料的红、绿、蓝色有机滤色片;基本形成在白色像素区中的透明有机滤色片;以及形成在有机滤色片上的公共电极。 A liquid crystal display color filter array panel, comprising: an insulating substrate; formed on an insulating substrate and defining red, green, blue and white pixel regions a black matrix; respectively formed substantially in the red, green , and the blue pixel region including red, green, blue pigment red, green, and blue organic color filter; substantially formed in the white pixel area of ​​a transparent organic color filter; and a common electrode formed on the organic color filter .
  8. 8.按权利要求7的滤色片阵列板,还包括位于有机滤色片与公共电极之间的涂层。 8. The color filter array panel according to claim 7, further comprising a color filter positioned between the organic coating and the common electrode.
  9. 9.按权利要求8的滤色片阵列板,其中,透明有机滤色片包括与涂层相同的材料。 9. The color filter array panel according to claim 8, wherein the color filter comprises a transparent organic coating of the same material.
  10. 10.按权利要求7的滤色片阵列板,其中,涂层的表面高度基本一致。 10. The color filter array panel according to claim 7, wherein the coating is substantially uniform surface height.
  11. 11.一种液晶显示器,包括:第一绝缘衬底;第一绝缘衬底上形成的多个薄膜晶体管;薄膜晶体管上形成的且有凸台的保护层;保护层上形成的并连接到薄膜晶体管的多个像素电极;面对第一绝缘衬底的第二绝缘衬底;第二绝缘衬底上形成的并限定红、绿、蓝和白像素区的黑矩阵;分别基本上形成在红、绿和蓝色像素区中的红、绿和蓝色滤色片;形成在滤色片上的公共电极;以及夹在第一绝缘衬底与第二绝缘衬底之间的液晶层,其中,公共电极的高度在白色像素区中比在红、绿和蓝色像素区中小,保护层中的凸台面对白色像素区。 A liquid crystal display comprising: a first insulating substrate; a plurality of thin film transistors formed on the first insulating substrate; a thin film transistor formed on the protective layer and the boss; formed on the protective layer and connected to the thin film a plurality of pixel electrode of the transistor; a second insulating substrate facing the first insulating substrate; are respectively formed substantially in the red; is formed on the second insulating substrate and a black matrix defining red, green, blue and white pixel regions , green and blue pixel regions of red, green and blue color filters; a common electrode formed on the color filter; and a liquid crystal layer sandwiched between a first insulating substrate and the second insulating substrate, wherein, the height of the common electrode in the white pixel region than in the red, green, and blue pixel regions small, the protective layer facing the boss of the white pixel region.
  12. 12.按权利要求11的液晶显示器,其中,公共电极与保护层表面之间的距离基本一致。 12. The liquid crystal display device as claimed in claim 11, wherein the distance between the common electrode and the surface of the protective layer is substantially uniform.
  13. 13.按权利要求11的液晶显示器,其中,像素电极和公共电极有切口。 13. The liquid crystal display device as claimed in claim 11, wherein the pixel electrode and the common electrode cutout.
  14. 14.一种液晶显示器,包括:多组像素的阵列,每组像素包括:彼此相邻的蓝色像素和白色像素,横跨蓝色像素和白色像素彼此斜对的一对红色像素,横跨蓝色像素和白色像素彼此斜对并与红色像素相邻的一对绿色像素,每个像素包括像素电极和薄膜晶体管;按行方向延伸的用于输送栅极信号到像素的多根栅线;以及按列方向延伸的用于输送数据信号到像素的多根数据线。 14. A liquid crystal display comprising: an array of a plurality of sets of pixels, each pixel comprising: adjacent blue and white pixels, a red pixel across one pair of blue and white pixels diagonally opposite each other, across the blue and white pixels diagonally adjacent to each other and a red pixel and green pixels, each pixel including a pixel electrode and a thin film transistor; extending in the row direction for conveying a plurality of gate signals to the gate lines of pixels; and extending in a column direction for conveying the data signals to the pixels a plurality of data lines.
  15. 15.按权利要求14的液晶显示器,其中,在列方向或在行方向上相邻两组像素中的蓝色像素和白色像素的相对位置相反。 15. The liquid crystal display device as claimed in claim 14, wherein the relative position of the blue pixel adjacent the two opposite pixels and white pixels in the column direction or the row direction.
  16. 16.按权利要求14的液晶显示器,其中,像素为矩形形状,蓝色像素和白色像素按列方向排列而形成分开的列。 16. The liquid crystal display device as claimed in claim 14, wherein the pixel has a rectangular shape, blue and white pixels arranged in the column direction form separate columns.
  17. 17.按权利要求14的液晶显示器,其中,蓝色像素和白色像素具有三角形形状,以形成菱形。 17. The liquid crystal display device as claimed in claim 14, wherein the blue and white pixels have a triangular shape to form a diamond shape.
  18. 18.按权利要求17的液晶显示器,其中,蓝色像素和白色像素之间的边界线按行方向或列方向延伸。 18. A liquid crystal display according to claim 17, wherein a boundary line between the blue and white pixels extending in row or column direction.
  19. 19.按权利要求14的液晶显示器,其中,相邻两列中的红色像素位于不同的行中,相邻行中的红色像素位于不同的列中,其中,相邻两列中的绿色像素位于不同的行中,相邻行中的绿像素位于不同的列中,且其中,行方向上相邻的两组像素中的蓝色或白色像素位于不同的行中,或列方向上相邻两组中的蓝色或白色像素位于不同的列中。 19. The liquid crystal display device as claimed in claim 14, wherein the red two adjacent pixels in different rows, adjacent rows of red pixels in different columns, wherein, in adjacent two green pixels located different rows, adjacent rows of green pixels in different columns, and wherein two adjacent pixels in the row direction of the blue or white pixels located in different rows, or two adjacent column direction the blue or white pixels in different columns.
  20. 20.按权利要求14的液晶显示器,其中,液晶显示器通过绘图来驱动。 20. The liquid crystal display according to claim 14, wherein the liquid crystal display is driven by drawing.
CN 03127473 2002-05-04 2003-05-04 LCD device and filtering color picec array board CN1324363C (en)

Priority Applications (2)

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KR20020024631A KR100825105B1 (en) 2002-05-04 2002-05-04 Liquid crystal display
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