TWI274206B - Four color liquid crystal display and panel therefor - Google Patents

Four color liquid crystal display and panel therefor Download PDF

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Publication number
TWI274206B
TWI274206B TW92112231A TW92112231A TWI274206B TW I274206 B TWI274206 B TW I274206B TW 92112231 A TW92112231 A TW 92112231A TW 92112231 A TW92112231 A TW 92112231A TW I274206 B TWI274206 B TW I274206B
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Taiwan
Prior art keywords
pixel
liquid crystal
blue
pixels
green
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TW92112231A
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Chinese (zh)
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TW200405069A (en
Inventor
Keun-Kyu Song
Jeong-Ye Choi
Nam-Seok Roh
Mun-Pyo Hong
Cheol-Woo Park
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Samsung Electronics Co Ltd
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Priority to KR1020020024631A priority Critical patent/KR100825105B1/en
Priority to KR1020020072289A priority patent/KR100878280B1/en
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of TW200405069A publication Critical patent/TW200405069A/en
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Publication of TWI274206B publication Critical patent/TWI274206B/en

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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

A liquid crystal display is provided, which includes a liquid crystal panel assembly including a plurality of red, green, blue and white pixel areas, and a backlight unit placed at a side of the liquid crystal panel assembly. The light emitted from the backlight unit has a color coordinate (x, y) where x ranges from about 0.31 to about 0.34, and y ranges from about 0.32 to about 0.35.

Description

1274206 玖, invention description: [Technical field of invention] The present Taiming system is related to a liquid crystal display and its panel, and is clearly related to a four-color liquid crystal display. [Prior Art] In general, any liquid crystal display (LCD) includes a liquid crystal panel assembly including two panels, respectively provided with two electric field generating electrodes (for example, a plurality of pixel private electrodes and a common electrode). And a liquid crystal layer embedded between the foregoing two electrodes and having different dielectric anisotropic properties. The variation of the voltage difference between the poles generated by the electric fields, that is, the change of the amount of light transmitted by each electrode to change the amount of light transmitted by the child's LCD and the electric field intensity of the ideal image is to control each of the electrodes. The way between the voltage difference is achieved. The LCD includes a plurality of pixels equipped with pixel electrodes and three color filters of red (R), green (G) and blue (b). After each of the pixels is driven, a display operation can be performed by a signal applied to each of the pixels by the display line. Each of the strips θ, 、, 良 includes a gate line (or a scan signal line, and a data line for carrying a data signal) for carrying a scan signal. Each pixel contains a thin film transistor ( TFT), connected to an associated gate line and a 2-way data line for controlling the data signal applied to the pixel electrode. The commonly used LCD system presents a pixel head π point by traffic light (RGB) color pixels. However, its optical effect is very poor. Specifically, the relevant color filters corresponding to the pixels can only transmit the light incident on the filter and one-half of the light in the spring. Therefore, The overall optical effect is greatly reduced. ^ 85288.doc 1274206 At the same time, the red (R), green (G), blue (B) three primary color filters are arranged in two ways, one--for long strips The method is to arrange the relevant color filters of the same color in the same pixel column, and the second is the inlaid (Masek type) arrangement method, the red, green, and blue color (four) devices are horizontally along the pixel and Column direction = flow in sequence; three of three Shape (△) type row county, the pixels are arranged in a wrong line (or sawtooth) along the column and the horizontal direction, and the red, green and blue color filters are arranged in turn. The triangle row (4) A circle or a diagonal line can be correctly presented.

ClairV0yante Laboratories has proposed a pixel arrangement method called "Jia's TM", which has the advantage of displaying high-resolution images at a low design cost. In this pixel arrangement method, a unit pixel of a blue signal is shared by two display points, and two adjacent blue pixels are driven by two different gate drive integrated circuits (ICs). The data signal can be received from a data drive 1C. Use &quot;penTiie M-type pixel structure': display a super-high-resolution graph column (UXGA) level image resolution graph by a super high resolution graphics array (svga) level display device. In addition, due to the pixel The increase in the number of inexpensive idle-drive ICs used in structural design and the relative reduction in the number of high-cost data-driven drivers can reduce the production cost of display devices. However, when using PenTile Matrix-type pixel structures, due to blue pixels The big j..., the work color and the 彔 color pixel <the size is different, it is necessary to change the data storage capacity' to respond to the change of the liquid crystal charge rate. In addition, 'because two adjacent blue phase elements are - the signal line Driven, resulting in a phenomenon that the pixel polarity is not uniform (consistent). 85288.doc !274206 】, because each color pixel is arranged in a long shape, and it is easy to see j due to the color of the basket The vertical line caused by the resolution is not reduced, and the display quality of the overall image is lowered. ', Summary of the Invention The present invention provides a liquid crystal display device comprising: one containing many a liquid crystal panel assembly of a 'green' blue and white pixel area; and a backlight unit on one side of the liquid crystal panel assembly, the light from the back has a color coordinate (χ, force' The X-axis seat is about 31.31 to 〇34, and the ^ coordinate range is from 〇32 to 〇. The track panel assembly includes: a first insulating substrate; on the first insulating substrate Forming a plurality of thin film transistors; forming a plurality of pixel electrodes on the first insulating substrate and connecting to the thin film transistors; opposite to the first insulating base plate; - block: insulating substrate; Forming a black matrix on the second insulating substrate to define a range of pixels in each of the pixels; a plurality of red, green, and blue m respectively formed in the dead red 'green and blue pixel regions respectively a color filter, a common electrode formed on the device: and a liquid crystal layer which is later mounted between the first and second insulating substrates. The area of the blue pixel region or the white pixel region is smaller than that of the red pixel region and the green pixel region The ideal design is to make The total area of the color pixel area and the white pixel area is the same as the area of any red and any green pixel area. The area of the black matrix adjacent to the white pixel area is preferably larger than the area of the adjacent pixel area. Providing a color filter array panel for a liquid crystal display 85288.doc 1274206 G · Insulating substrate, a black matrix formed on the insulating substrate defining a plurality of red, green, blue and white pixel regions; a red, green and blue organic filter formed in the 'green' and blue pixel regions and containing red, green and blue pigments; a transparent organic filter formed substantially in the white pixel region; and A common electrode formed on the organic filter. The color filter array panel further includes a cover between the organic filter and the common electrode. The transparent organic (four) outer cover can be formed using the same material as the overlying material. The height of one side surface of the outer cover should be substantially at the same height. The liquid crystal display provided by the present invention includes: a first insulating substrate; a plurality of thin film transistors formed on the child-insulating substrate; and a layer formed on the thin film transistors and having a protruding portion a protective layer; on the protective layer, a plurality of pixel electrodes connected to each of the thin film transistors; a first: insulating substrate facing the first insulating substrate; and formed on the second insulating substrate And defining a black matrix of each of the red, green, blue, and white pixel regions; the general I*#人心&amp; the upper knife is formed in each of the red, green, and color pixel regions to form a red, green and a blue filter; in the coloring: "forming a common electrode; and a liquid crystal layer embedded between the first and second insulating substrates, wherein the height of the common electrode in the white pixel region is lower than Red, /v bar, 彔色, and color on the monitor&lt; the common electrode portion of the protective layer on the protective layer should face the white pixel area. From the common electrode to the distance between the ~ one side surface , preferably the essence of 85288.doc 1274206 It can be kept consistent. A current interrupter can be installed between each of the pixel electrodes and the common electrode. The liquid crystal display provided by the invention includes: an array of a plurality of groups of pixels, each group should include each other The adjacent blue and white pixel group bevels are opposite to the green color like 焱 焱 豕 越 越 越 越 上述 上述 越 越 越 越 越 越 越 越 越 越 越 越 越 秦 秦 秦 秦 秦 秦 秦 秦 秦 秦 秦 秦 秦 秦 秦 秦 秦 秦 秦 秦 秦 秦In the direction of extension, find =: and - film, ^ there are many gate lines in the domain, the control signal is transmitted to each pixel; and along the side of the column, the Becco line is used to transmit the data signals separately. Preferably, the relative positions between the blue pixels and the white pixels in the two adjacent columns or in the horizontal direction of each of the pixels 2 are arranged oppositely. According to the present invention, the shape of each pixel is rectangular (long-shaped), and the shape of each pixel is lacking, so as to form another-separated column color pixel system. The direction of the arrangement is different from that of the specific embodiment. The blue pixel and the white pixel spoon shape are also rectangular, and the blue pixel and the boundary line follow the horizontal direction or the column direction (four). &quot;rn in == is, the red pixel in the two adjacent columns is configured" in the two adjacent rows of the color pixels in the different columns; and the two vertical. In the horizontal row, then The green pixels in the two horizontal rows are arranged differently; in addition, the color or white pixels are arranged in different columns along the horizontal element; the same:; two groups: blue in the adjacent pixels仃中, and along the column side 85288.doc 1274206 to the two adjacent rows of pixels in the same column - ^ pixel or white pixel is arranged in the liquid crystal display drive mode, can be used to draw [Embodiment] The gastric sinus is &lt; The following is a detailed description of the present invention, which is hereinafter referred to as _ ♦ y &amp; In the drawings, for the sake of explanation, the thickness α of each structural layer and region is enlarged. The same digital code in each drawing is marked with the same m, and should be noted. If a component is mentioned, for example - structural layer 'region or base system On the other element &quot;&quot; may mean that it is directly disposed above the other component, or there may be other intervening components between the two components. Conversely, if a component is mentioned "Directly disposed above another element," means that there are no intervening elements between the two elements. Referring to the drawings, some specific embodiments of the invention are provided in the following detailed description. 1 is a cross-sectional view of a specific embodiment of an LCD designed in accordance with the present invention, and FIGS. 2 through 5 are various configuration views of a color filter in various embodiments of the LCD designed in accordance with the present invention. As shown in FIG. 1, the LCD includes a lower layer panel 1 , an upper layer panel 200 opposite to the lower layer panel, and a liquid crystal layer 3 embedded between the lower layer panel and the upper panel, the liquid crystal layer 3 containing A plurality of liquid crystal molecules are disposed along a predetermined direction. The LCD further includes upper and lower polarizers 12 and 22, upper and lower compensation films 13 and 23, and a backlight unit 350. 85288.doc -11- 1274206 When the liquid crystal molecules are applied with an electric field, the alignment direction of each molecule changes. The transmission of light: the line also changes as the alignment direction of the liquid crystal molecules changes. The lower panel 100 includes a layer of a lower substrate 110 preferably formed of a transparent insulating material (e.g., glass), a plurality of thin film transistors (TFTs) formed on the lower substrate 110, and preferably a transparent conductive material. For example, tantalum tin oxide (ITO) and antimony zinc oxide (IZO) are formed and connected to a plurality of pixel electrodes 190 on the respective TFTs. Each of the TFTs switches the voltage applied to each of the associated pixel electrodes 190 in a switching operation mode. The lower compensation film 13 and the lower polarizing agent 12 are attached to the outer surface of the lower substrate 110. The lower compensation film 13 has biaxial or uniaxial properties. The lower compensation film 13 can be omitted. The upper panel 200 includes an upper substrate 210, preferably formed of a transparent insulating material, such as glass, and a black matrix 220 for defining a plurality of pixel regions arranged in a matrix, defined by the black matrix 220. A plurality of red, green and blue filters 230R, 230G and 230B in the pixel regions, and a common electrode 270 preferably made of a transparent conductive material such as ITO and IZO. The red, green and blue filters 230R, 230G and 230B are arranged in turn. Each pixel region of the unconfigured red, green, and blue filters 230R, 230G, and 230B is a white pixel region W, and the white pixel region can also intercept or pass all of the incident light. Since the white pixel area W is not provided with a color filter, the height of the inner surface of the color filter panel 200 on the white pixel area W is lower than that of the other pixel areas R, G, and B. 85288.doc - 12- 1274206 Side surface height 'and the grid gap of the white pixel area w is larger than the grid gap of other various pixel areas. In the present specification, the term "pixel" refers to a component that is used to display an image, and includes a pixel electrode 19A, which is opposite to the pixel electrode, and is used by one of the private electrodes. A portion of the liquid crystal layer 3 disposed between the pixel electrode 19A and its corresponding portion of the common electrode 27A, a Tintin, and a color filter 23〇R, 23〇G or 23〇b. In addition, the "pixel area" - the word refers to the area occupied by the - pixel. However, for the sake of explanation, the two names "pixel" and "pixel area" are not particularly distinguished in this specification.

In the middle of Figure 2, the red 'green, blue and white pixels (R, G, B and W) are the same number. Red, green, blue, and white pixels (4), G, B, and W are arranged in the horizontal direction. The area of each of the blue pixel region B and each of the white pixel regions W is approximately one-half the size of the area of each of the red pixel region R and the green pixel region. Therefore, the area and the area of one white pixel region W and one orphan pixel region B are equal to the area of one red pixel region & or one green pixel region G. Referring to Figure 3, a matrix of 2 χ 3 pixels containing the same pixels forms a pixel representing the basic elements of the image. The first pixel is horizontally arranged, including H i ' green pixels in sequence; and the first: pixel horizontal line includes green, white and red pixels arranged in sequence. The arrangement of the pixels shown in Fig. 4 is almost the same as that shown in Fig. 3 except that the blue pixel β is enlarged and the white pixel w is reduced. The arrangement of the pixels of π in FIG. 5 is almost the same as that shown in FIG. 3, but the black matrix BM portion of the peripheral portion of the white pixel region W has been enlarged by 85288.doc -13 - 1274206, and the visibility is larger than other parts. Part to cover the deviation line caused by the height difference. The upper compensation film 23 and the upper polarizing layer 22 are attached to the outer surface 210 of the upper substrate. The upper compensation film layer 23 has biaxial characteristics or uniaxial characteristics. Moreover, the upper compensation film 23 can be omitted without installation. The moonlight unit 350 is located on the back side of the lower polarizing layer 12. The backlight unit 350 includes a light source 351 including a cold cathode tube and a light guide plate 352. In this embodiment, since each image display point contains red, green, and white pixels, the optical effect of the image display can be improved, and the total area of each display point needs to be amplified. It is assumed that the total amount of light passing through the lower polarizing layer 12 is one. In the case of a picture head 7F containing three color (i.e., red, green, and blue) pixels, the area of each pixel is one-third of the total area of the display point. Since the transmittance of the color filter itself is one-third, the total amount of light transmitted by the edge image is equal to 1/3χ1/3 + 1/3χ1/3 + 1/3χ1/3=1/3 «33.3%. For any display point shown in FIG. 2, the area of each red pixel and each green pixel is one-third of the total area of the display point, and each blue pixel and each white pixel The area is each one-sixth of the total area because the transmittance of the white pixel is 丨, and the transmittance of the other various color pixels is two points &lt; one, thus, the image shows the total transmittance of the point Equal to 1/3Χ1/3 + 1/3χ1/3 + 1/6χ1/3 + 1/6χ1=4/9μ44%. Therefore, the image display brightness of the lCD provided by the present invention can be increased by about 1.5 times as compared with the conventional one-color LCD. 85288.doc -14- 1274206 Although the area of the blue pixel is smaller than the area of the red pixel or the green pixel, but the influence of the sensitivity of the human viewing effect, the amount of blue light is not red and The amount of green light changes is so significant that the reduction in blue pixel area has little effect on image quality. However, the reduction in the pixel area of the monitor will result in a slight deformation effect of the image, which means that the displayed image will be yellowed. In order to solve the above problem, the light source 351 increases the content of blue light in the light emitted by the light source to prevent the yellowing effect of the image from being emitted from the light source 351, and the coordinates of the colored light (χ, 幻特ί is the X seat) The range of 祆 is between 〇31 and 〇34, and the range of y coordinates is between 〇·32 and 〇·35. The light content of this kind of light is greater than that of the traditional LCD backlight source. The blue component contained in the radiation. j. The source of such light source is to increase the content of the blue light-emitting material contained in the light source 351 by a predetermined ratio. Figure 6 is used in accordance with a specific embodiment of the present invention. The light source emits a spectral spectrum of the light. Compared with the spectral curve of the light emitted by the conventional light source indicated by &quot;Mue丨, the figure is "and the two series, the spectral curve is at a wavelength of about 44". (The sharp peak in the range of M7 meters is enhanced. This means that the blue light has strengthened the "situation" and the phenomenon of curve sharpening is reduced within the wavelength range of about 62〇 to 65〇N. table The red light intensity is reduced. One; w 诼 诼 Deng and broadcast color filter, the white image sound emitted from the light source 35 # Continued, 4 1 + ' 冢 常光,,泉# may be a little blue _ 85288 .doc -15- 1274206 Figures 7 and 8 are a cross-sectional view of a color filter array panel for use in an LCD in accordance with other embodiments of the present invention. Referring to Figure 7, the color filter is shown. The array board 200 includes: a transparent insulating substrate 210, a black matrix formed on the insulating substrate 21, and a plurality of holes for defining each pixel region, and a plurality of red colors formed in each of the pixel regions. Green, blue and transparent color filters 230R, 230G, 230B and 230W, respectively formed on the color filters 23〇r, 23〇g, 230B, and 230W, and an outer cover 25〇, and the cover A common electrode 270 is formed on the 25th, wherein the transparent color filter 23 preferably comprises a transparent organic material made of a photosensitive and non-pigmented material. A color filter array plate 2 as shown in FIG. 〇〇 does not include transparent color a filter which thickens the thickness of a plurality of partial regions of a cover 25 of each white pixel area, so that the difference in thickness between the portions and other portions is equal to or lower than 0.2 micron ( Thus, the gap between all the pixel units can be made almost uniform, and, since the manufacturing step of forming a transparent color filter _ 230 W is omitted, the process of the color filter array panel 2 (10) is made to be larger than that of FIG. The color filter array board shown has a simpler process. The color filter array board 2 of FIG. 7 and FIG. 8 is provided to provide a transparent color filter 230W or to increase the white pixels. The thickness of the region w is 25 〇 to reduce the height difference between the white pixel regions W and the other various color pixel regions R, G, and B. The height difference is reduced and the pixel cell gap is uniform, and the white pixel region can be prevented. The yellowing of the W light and the deviation line due to the height difference. 85288.doc -16- 1274206 The ideal design is that Luo 3 a, your * u micro gap or thickness is approximately equal. ^The thickness of the optoelectronic device is about 1.5h.6 microns for each pixel unit of the LCD. Figure 9 shows the graph of the time-time. The response of the gap change function is shown in Fig. 9, οτί, 4φ -, ,, 軚 curve part refers to the "reaction time when "&" is turned on"". The part marked with 0ff&quot; means "&quot; The reaction time point when turning off. As shown in Fig. 9, as the cell gap increases, the reaction time becomes lower. When the early-gap reaches 3.7 microns, the reaction time is reduced to the lowest value. When the cell gap is lowered from 3.7 μm, the reaction time is increased again. Figure 10 is a cross-sectional view showing another embodiment of the LCD of the present invention. Referring to Fig. 10, the LCD embodiment includes a TFT array panel 1A, a green filter array panel 2, and a liquid crystal layer 3 between the two array panels. The color filter array panel 2 includes a substrate 110 preferably formed of a transparent insulating material such as glass, and is formed on the substrate 210 to define a plurality of pixel regions arranged in a matrix manner. The black matrix 220' is substantially disposed in the plurality of red, green and blue color filters 230R, 230G, and 230B in the pixel regions, and a layer cover formed over the color filters 230R' 320G and 230B 250, a common electrode 270 preferably made of a transparent conductive material such as ITO (Indium Tin Oxide) and IZO (Indium Zinc Oxide), and having a plurality of slits 271 thereon. The red, green and blue filters 230R, 230G and 230B are arranged in sequence. Where the red, green and blue filters 230R, 230G and 85288.doc -17- 1274206 23 OB color filter pixel area is the white pixel area w, these white pixel areas are also the same The ground intercepts or passes all of the various light components in the incident light. Since no color filters are disposed in each of the white pixel regions, a basin region is formed on the inner surface of the color filter substrate 200 above the range of the white pixel regions w. The TFT array substrate 1 includes a plurality of gates 123 formed on an insulating substrate 11 and a gate insulating layer 140 formed on each of the gates 123. The gate insulating layer 14 is formed on the gate insulating layer 14 a plurality of semiconductors 1S4 having a portion of the gates 123 and preferably made of a non-crystalline germanium, and a plurality of resistive contact points 163 and 165 formed on the semiconductors 154, Resistively, a plurality of source and sink electrodes 173 and 175 formed on the contact points 163 and 165 cover the source layer 173 and the drain electrode 175, and a plurality of layers are disposed on the source layer 173 and the drain electrode 175. A plurality of connection holes 181 opposite to the suction electrode 175, and a plurality of pixel electrodes connected to the respective suction electrodes 175 through the connection holes 181 such as Wei and provided with a plurality of slits 191. In addition, a plurality of gate lines (not shown in the figure) connected to the gates 123 for transmitting scan signals are provided on the TFT array board 1A, and the source electrodes 173 are connected to the source electrodes 173. The data signal is transmitted to the source wires (not shown). The surface of the protective layer 180 is stretched at the white pixel area to form a high-level area. The basin area and the above-mentioned TFT array plate are high: the regions are disposed face to face with each other, so that the image in the white pixel region w: the cell gap is almost the same as the pixel cell gap in the other color pixel regions. The above protective layer (10) is utilized. A photomask comprising a semi-transparent zone, a transparent zone and an opaque zone of 85288.doc -18 - 1274206, formed by lithographic printing. The glazing layer 180 is formed by deposition and coated with a layer of anti-corrosion After the light film, the transparent area and the opaque area on the mask can be aligned with the connection hole 81 and the white pixel area W, and the translucent area faces the remaining area. After exposure and rinsing, the connection hole is 18 1 above resistance The portion of the light film is removed so that the protective layer 180 located at the lower portion is exposed, and the portion of the light-resistant film above the white pixel region w remains in place without removal, and the thickness of the other portions is The connection hole 181 is formed by using the light-resistant film as a mask, and etching the portion of the mask to reduce the thickness of the mask to expose the protective layer 18 located below. Thereafter, the light-resistant film is left only above the white pixel region W. The protective layer ι8 is an etching treatment of the protective layer 180 by using the light-resistant film as an etch mask to expose the protective layer 18 〇 Partially thinned to form a high-level region on the white pixel region W. At the same time, the fabrication of the TFT array panel 100 described above is also performed using a plurality of lithographic lithography processing steps, and the above-described translucent region, transparent region, and The opaque reticle helps to reduce the number of photolithography processing steps I. The multi-layer semiconductor junction containing different patterns can be fabricated by using the above-mentioned photomask to form a predetermined position thickness. For example, the semiconductor 154 can be formed by using the light-resistant film as described above, and each of the resistive connection points 163 and 165, and the source and the absorber can be utilized more than a photomask having only a transparent region and an opaque region. The reticle is formed by a small number of masks. In this case, the source and the absorbers 163 and 165, and the resistors and the connection points of the resistors have substantially the same flat shape. Each semiconductor 丨 (except for the semi-conductive ff in the transit area) will generally have the same flat shape as the source and sink (6) and 85288.doc -19- 1274206 165. The TFT array 100 and the color filter array After the plates 2 are aligned with the relevant positions, they can be combined. In addition, a liquid crystal material 3 is injected into the gap between the TFT array panel 1 and the color filter array panel 2A. A pixel region (representing a portion containing the liquid crystal layer 3 in one pixel) is divided into a plurality of specific regions by a plurality of slits 191 and 271 on the pixel electrode 190 and the above-described common electrode 27A. According to the different tilt directions of the liquid crystal molecules after the application of the electric field to the array plates, the specific regions can be classified into four types. There are several types of specific areas in these particular areas that provide a view of the width. 11 to 13 show the arrangement of pixels of the iLCDR of other different embodiments of the present invention. Referring to FIG. 11 to FIG. 13 , a specific embodiment of the LCD of the present invention includes red, blue and green pixels R, B and G arranged in a manner similar to the PenTileMatrix matrix arrangement, and is disposed near each blue pixel B. For the sake of explanation, this example uses a pair of blue (four) and white pixels W adjacent to the group, and the pair of blue pixels 3 and white pixels are located opposite to each other. The green (four) zone G of R is provided for the following description. Then, the arrangement of the foregoing groups of pixels is repeated: : I I obtain various pixel arrangement patterns shown in FIGS. 11 to 13. Should be asked (4), or in the direction: a pair of blue pixel division white 彳w in a column direction, two adjacent blue pixels B and a white image _ W in the direction of alignment, the (10) position is arranged in the opposite direction The way it is set. For example, the shape of the blue image and the white pixel W in Fig. 11 and the red and green dad 85288.doc -20- I2742〇6 pixels R and G are both rectangular (horizontal) shapes. A step is formed along the longitudinal direction. The blue pixel B and the white pixel W shown in FIG. 13 are all isosceles and the pair of blue and white pixels are arranged at the bottom with each other. Formed - rhombic shape. The blue and white pixels B and w shown in Fig. 12 are arranged in the column direction, and (4) 13 is arranged in the horizontal direction. Thus, any boundary line between the blue pixel B and the white pixel w shown in FIG. 12 coincides with the boundary line in the horizontal row of each pixel; moreover, the blue pixel B and the white pixel shown in FIG. The arbitrary-demarcation line between w coincides with the boundary line in each pixel wales. Referring to FIG. 11 and FIG. 12, the relative positions between two sets of adjacent blue pixels B and white pixels W in the horizontal direction are arranged in an opposite relationship. However, in Fig. 13, the relative positions between the two adjacent blue pixels B and the white pixels W in the wale direction are arranged in opposite relationship positions. In the above arrangement, each of the red pixels R in the adjacent two wales are respectively located in different horizontal rows, and the green pixels disposed in the adjacent two horizontal rows are respectively located in different wales. . Similarly, each of the green pixels G in the adjacent two wales are located in different horizontal rows, and the green pixels in the adjacent two horizontal rows are respectively located in different horizontal rows. In addition, the two color pixels B and the white pixels W of the adjacent two sets of blue pixels B and white pixels w arranged in the horizontal direction are respectively located in different horizontal rows as shown in FIG. 11 and FIG. 12; Each of the two adjacent blue and white pixels arranged in the column direction is located in a different wales, as shown in FIG. Thus, the same color pixel, especially the blue 85288.doc -21 - 1274206 pixel, is arranged in a zigzag shape in the column direction or the horizontal direction. According to the embodiment - the LCD made by an embodiment is externally The data source, for example, an image controller receives RGB image data, and extracts image data of white pixel trade to drive four color pixels. Preferably, the image display point includes one of the groups including a pair of blue and white pixels B and W, a pair of red pixels R, and a pair of green pixels G. However, when operated by the rendering method, a display includes a pair of blue and white pixels B and W, and a pair of red and green pixels in the column. In any case, these pixel arrangements can be arranged in the same color pixel, for example, each blue pixel is arranged in the column direction, and the resolution is not high enough to prevent vertical line patterns from being generated in a conventional LCD. Therefore, an LCD containing a PenTile Matrix matrix image can improve the display quality of images. The pattern shown in Fig. 14 illustrates the visibility of an &lt;LCD containing the arrangement of the pixels shown in Fig. u. As shown in Figure 14, no vertical line patterns are listed in the pattern. An example of a TFT array panel for use in an LCD including the pixel arrangement shown in Fig. 12 and Fig. 12 will be described below with reference to Figs. 15 and FIG. 17 are layout diagrams of TFT array boards in an LCD according to various embodiments of the present invention, and FIGS. 16 and 18 are in the TFT array boards shown in FIG. 15 and FIG. Partial sections are defined by χνΐ-χνι, and xvm-xviir, respectively. Referring to Figure 12, various lcds made in accordance with these embodiments include a plurality of red, green, blue and 85288.doc -22- 1274206 white pixels R, G, B and arranged in the horizontal and longitudinal directions. W. As shown in the accompanying drawings, a gate wiring is formed on a transparent insulating substrate 丨1(). The gate wiring includes a plurality of gate lines 12 extending substantially in a lateral direction and a plurality of gates 123 connected to the gate lines 121. At the end portion 125 of each gate line 121 has been widened and can be used for any external circuit connection. The gate wiring is preferably made of a low resistance metal such as aluminum, silver or the like. A gate insulating layer 140 should be formed on the surface of the monolith substrate (including the gate wiring portion). A plurality of semiconductor islands 154 which are preferably formed of amorphous crystals are formed on the gate insulating layer 140, and a plurality of semiconductor islands 154 are preferably doped with germanium or amorphous germanium. Resistive contact points 163 and 165 of impurity-like. It is preferable to form a data wiring with a low-resistance metal such as aluminum or silver metal on the three-dimensional resistive contact points 163 and 165 and the above-mentioned gate insulating layer 14A. The data wiring includes a plurality of data lines 17 extending substantially along the longitudinal direction and defining a plurality of pixel areas with each of the gates and the springs 121; and the branch lines constituting the data lines 171 And extending to a plurality of source 173 on each ohmic (resistive) contact point 163; and separating from each of the source electrodes 173 and arranging the opposite positions on each of the ohmic contact points 165 with each of the gate electrodes 123 as a standard A plurality of suction poles 175. The end portion 179 of each data line 171 is widened to facilitate connection to an external circuit. 85288.doc -23- 1274206 forming a passive layer i80 on the above-mentioned data connection lines and the exposed portions of the semiconductor islands 154 which are not covered by the data connection line, the passive layer i80 is provided with a plurality of contact holes The holes 185 and 189 expose the respective suction electrodes 175 and the end portions 179 of the respective data lines 171, respectively. The passivation layer 18A and the gate insulating layer 140 are each provided with a plurality of contact holes 182 for exposing the end portions 125 of the respective gate lines 121. A pixel electrode 19A and a plurality of contact auxiliary points 95 and 97 are also formed on the blush layer 180. The pixel electrodes 19 are connected to the respective absorbers 175 and the storage electrodes 177 via the contact holes 185 and 187, respectively, and the contact assistants 95 and 97 respectively pass through the contact holes 182 and 189 respectively. It is connected to the exposed end portion 丨 2 5 of each of the gate lines 121 and the end portion 179 where the respective data lines 171 are exposed. Each of the pixel electrodes 19A and the contact auxiliary points 95 and 97 is preferably made of a transparent material such as IT〇 (indium tin oxide) or ytterbium (yttrium zinc oxide). The gates 123, the source electrodes 173, the absorbers 175, and the semiconductor islands 154 together constitute the respective τρτ. Referring to FIG. 15 and FIG. 16, each pixel R, G, B &amp; w is the same rectangular (moment) shape, as shown in FIG. 11; and each gate line ΐ2ι, each gate 123, each strip The data line 171, and the arrangement of the source and the sink η) and i = are also the same. The foregoing data wiring further includes a plurality of storage conductors 177 overlapping the extended portions of the gate lines 121, and the passive layer "o" is also provided with a plurality of contact holes 187 for each pixel electrode 19 and each of the reservoirs. ^ Rain container m. Each of the gate lines 121 has a plurality of extension lines and each of the storage: 177 overlaps ' to form each of the storage capacitors. &quot; 85288.doc -24- Ϊ274206 See Figure 17 and Figure 18, each color The shape of the pixel electrode 19A of the pixel R, G, B &amp; W is the same as the shape of each pixel shown in Fig. 12. On the substrate 11A, a plurality of strips are formed in parallel with the gate lines 121, and each of the gate electrodes 121 is formed. The gate electrode is made of the same material as the storage line 131. Each of the pixel lines 121 and the respective storage lines 131 are located near the side line of each pixel row, and each of the pixel electrodes 190 and each of the TFTs is respectively a storage line 131. Each of the storage lines 131 is disposed to overlap with each of the pixel electrodes 190 adjacent thereto to form a plurality of storage capacitors. Referring to FIGS. 15 to 18, each of the pixel electrodes 19 is connected to each other. With each gate line 121 to Each of the data lines 171 are arranged in an overlapping manner to provide a larger aperture ratio. Although some specific embodiments of the present invention have been described in detail, it should be clearly understood that 'there is still a skill in the art of the present invention. The present invention is subject to various changes and/or modifications to the basic concepts of the present invention, and is still subject to the scope of the scope and scope of the patent application set forth in the accompanying specification. [Simplified Description] BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings, which are set forth in the claims Figure.

An LCD designed by the specific embodiment is shown in FIG. 2 to FIG. 5 according to the present invention.

There are fewer different ways of arranging the color filters of the various LCDs in the specific embodiments. Fig. 6 is a diagram showing an example of a spectrum of light emitted by a light source 85288.doc -25- 1274206 which is designed according to the present invention and which is designed for each of the moons (3). Fig. 7 and Fig. 8 are diagrams showing a cross-sectional view of two types of LCD filters in accordance with the invention of two, , and s. Figure 9 is a graph showing the (10) operational response time curve associated with the pixel cell gap variation. Figure 10 shows another and subtractive according to the invention.

A cross-sectional view of a lcD designed by the Moon. Figures 11 through 13 are various pixel arrangement diagrams designed in accordance with various embodiments of the present invention. Fig. 14 is a view showing a visible pixel pattern of a coffee using a pixel arrangement method. 15 and 17 are diagrams showing a layout of a right dry TFT array panel of an LCD according to some embodiments of the present invention. Further, Fig. 16 and Fig. 18 are sectional views showing the TFT array plates of the portions indicated by the lines χνι_χνι, and χνιπ-χνιΐΓ in the respective TFT array panel layouts shown in Figs. 15 and 17. Figure 15 is a diagram showing the arrangement of a TFT array panel in an LCD using the pixel arrangement shown in Figure 11 in accordance with a specific embodiment of the present invention. - Figure 16 is a cross-sectional view of the portion of the TFT array panel shown in Figure 15 labeled with the line χνΐ-χνί. Figure 17 is a block diagram showing a layout of a TFT array panel in an LCD designed in accordance with a pixel arrangement method according to an embodiment of the present invention. Fig. 18 is a cross-sectional view showing a portion indicated by a line indicated by ΧνΐΙΙ_ΧνΐΙΓ in the TFT array panel shown in Fig. 17. [Description of Symbols] 85288.doc -26- 1274206 3 Liquid crystal layer 12 Lower layer polarizing agent 13 Lower layer compensation film 22 Upper layer polarizing agent 23 Upper layer compensation film 95, 97 Contact auxiliary point 100 Lower layer panel 110 Lower layer substrate 121 Gate Pole line 123 gate 125 end portion 131 storage line 140 gate insulating layer 154 semiconductor island 163, 165 resistive contact 171 data line 173 source 175 absorber 177 storage electrode, storage conductor, storage capacitor 179 end portion 180 Passive layer 181, 182, 185, 187, 189 Contact hole 190 pixel electrode 85288.doc -27- 1274206 191, 271 slit 200 an upper panel 210 upper substrate 220 black matrix 230R red filter 230B blue filter 230G green filter 230W transparent (white) color filter 250 cover 350 backlight unit 351 light source 352 light guide plate 270 common electrode W white pixel region TFT thin film transistor 85288.doc -28-

Claims (1)

1274206 Picking up, applying for a patent garden: 1 · A liquid crystal display comprising: a liquid crystal panel assembly containing a plurality of red, green, blue and white pixels; and a side disposed on a side of the liquid crystal panel assembly board The backlight is early, wherein the light emitted by the backlight unit has a colored light coordinate (X, y) 'the X coordinate range is between 〇.31 and 〇34, and the 丫 coordinate range is between 0.32 and 0.35. between. 2. The liquid crystal display of claim 3, wherein the area of the blue pixel area is smaller than the area of the red pixel area and the green pixel area. ', 3. The liquid crystal display of claim 2, wherein the liquid crystal display panel assembly comprises: a first insulating substrate; a plurality of thin film transistors formed on the first insulating substrate; Formed on an insulating substrate, and connected to the device, and the y y wei is connected to each of the thin film transistors; a plurality of pixel electrodes; one of the opposite sides of the first insulating substrate, such as a chip, a second insulating substrate Forming and defining a black matrix of each color pixel region on the insulating substrate; substantially in each of the red, green, g, red, green, and blue choppers, the color pixels are formed in the color a common electrode formed on the chopper; and a layer of liquid crystal 85288.doc 1274206 embedded between the first insulating substrate and the second insulating substrate. 4. If the liquid crystal display of claim 3 is applied, the area of the white pixel area is smaller than the area of the red pixel area and the green pixel area. 5. The liquid crystal display of claim 4, wherein the total area of any of the color-receiving pixel regions and any of the white pixel regions is substantially the same as the area of any of the color pixel regions and any of the green pixel regions. 6. The liquid crystal display of claim 4, wherein the width of the black matrix located near the white pixel region is greater than the width of the black matrix located near the other color pixel regions. 7. A special color supply column for a liquid crystal display panel, the liquid crystal display panel comprising: an insulating substrate; a black matrix formed on the insulating substrate and defining red, green, blue and white pixel regions In the red, green and blue pixel regions formed by and containing red 1, green and blue pigments, respectively, red, green and blue organic filter light, formed in each white pixel region - transparent organic a filter; and a common electrode formed on each of the organic filters. 8. If you apply for the No. 7 item of the patent garden, the χ and spear panels include a layer of foreign troops placed between the organic filters and the common electrode. 9. If you apply for the 8th item of the patent garden, ^. /, the transparent organic filter in the panel includes the same material as the above cover. 10. If the panel of the seventh scope of the patent application is applied, the height of a surface of the outer cover of the Huaying panel is generally 85288.doc 12742〇6 degrees is substantially flat. 11 . A liquid crystal display comprising: a first insulating substrate; a plurality of thin film transistors formed on the first insulating substrate; and a protective layer formed on the thin film transistors and provided with a raised portion; a plurality of pixel electrodes formed on the protective layer and connected to the thin film transistors; a second insulating substrate disposed opposite the first insulating substrate; forming and defining red, green, and blue colors on the second insulating substrate a black matrix of color and white pixel regions; red, green and blue filters formed substantially in each of the red, green, and blue pixel regions; a common electrode formed on the color filters And a liquid crystal layer embedded between the first and second insulating layers, wherein a height of the common electrode portion on the white pixel region is lower than a height of the common electrode portion on the red, green and blue pixel regions And the raised portion of the protective layer faces the white pixel region. The liquid crystal display of claim 11, wherein the distance between the side surface of the protective layer and the common electrode is substantially uniform. 13. The liquid crystal display of claim 3, wherein each of the pixel electrodes and the common electrode are provided with a slit. 14· A liquid crystal display comprising: an array comprising a plurality of sets of pixels, each set of pixels comprising 85288.doc 1274206 adjacent to each other and a white pixel, in — „ w H ^^ w Temple a color and white The two ends of the pixel area are slanted and opposite to each other, and the white component I Γ · , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Pixel &lt; a pair of green pixels, each of which has a pixel electrode of γ γ + 曰 A, and a thin moon volt crystal; 丹延 f a check-up direction Yan Zhong uses i people, 々 use ^ pass one The gate signal to the pixels &lt; a plurality of gate lines, and extending in a column direction for transmitting data signals to the plurality of interpole lines of the pixels. μ 15 · as claimed in claim 14 The liquid crystal display, wherein the relative positions of the blue and white pixels in the adjacent two groups of pixels arranged in a longitudinal direction or in the horizontal-to-horizon direction are in opposite relationship with each other. LCD of the 14th patent range The display device, wherein each of the pixels is rectangular, and each of the blue and each of the white pixels are arranged in a column direction to form a separate column. 17· The liquid crystal display of claim 14 of the patent scope, wherein the blue color The pixel and the white pixel are triangular, and the 俾 can form a prismatic arrangement pattern. ★ The patent scope of the patent application is 17th, and there is a line between the blue pixel and the white pixel along the horizontal direction or the column direction. A liquid crystal display according to claim 14, wherein in the adjacent two columns, the red pixels are located in different horizontal rows and are located in two adjacent horizontal rows. The red pixels are in different columns; the green pixels in the adjacent two vertical 85288.doc 1274206 columns are in different horizontal rows, while the green pixels in the adjacent two horizontal rows are different. In the column; and each of the adjacent two sets of pixels arranged in the horizontal direction is in a different horizontal row; or two adjacent blue images arranged in the column direction Or a white pixel, or a blue pixel or a white pixel of the two groups of pixels in the column direction are located in two different columns. 20· The liquid crystal display of claim 14, wherein the liquid crystal display Driven by the operation of the descriptive method. 85288.doc
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