WO2008093862A1 - Afficheur et son procédé de production - Google Patents

Afficheur et son procédé de production Download PDF

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Publication number
WO2008093862A1
WO2008093862A1 PCT/JP2008/051714 JP2008051714W WO2008093862A1 WO 2008093862 A1 WO2008093862 A1 WO 2008093862A1 JP 2008051714 W JP2008051714 W JP 2008051714W WO 2008093862 A1 WO2008093862 A1 WO 2008093862A1
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WO
WIPO (PCT)
Prior art keywords
sub
emitting
pixels
pixel
sub pixel
Prior art date
Application number
PCT/JP2008/051714
Other languages
English (en)
Inventor
Tetsuya Karaki
Hideo Mori
Ryuichiro Isobe
Original Assignee
Canon Kabushiki Kaisha
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2007329822A external-priority patent/JP4721460B2/ja
Application filed by Canon Kabushiki Kaisha filed Critical Canon Kabushiki Kaisha
Priority to US12/521,933 priority Critical patent/US8159117B2/en
Publication of WO2008093862A1 publication Critical patent/WO2008093862A1/fr

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Classifications

    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/30—Devices specially adapted for multicolour light emission
    • H10K59/35—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels
    • H10K59/353—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels characterised by the geometrical arrangement of the RGB subpixels
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/52—RGB geometrical arrangements
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
    • H10K71/10—Deposition of organic active material
    • H10K71/16—Deposition of organic active material using physical vapour deposition [PVD], e.g. vacuum deposition or sputtering
    • H10K71/166—Deposition of organic active material using physical vapour deposition [PVD], e.g. vacuum deposition or sputtering using selective deposition, e.g. using a mask

Definitions

  • the present invention relates to a display apparatus and a production method thereof.
  • RGB red
  • G green
  • B blue
  • Display is obtained as a group including light emission portions and non-light emission portions in a plurality of pixels.
  • Each of the pixels has a sub pixel for emitting a red color (hereinafter, referred to as R sub pixel) , a sub pixel for emitting a green color (hereinafter, referred to as G sub pixel) , and a sub pixel for emitting a blue color (hereinafter, referred to as B sub pixel) , that is, sub pixels for three primary colors.
  • FIG. 11 there is a stripe disposition in which an R sub pixel, a G sub pixel, and a B sub pixel are repeatedly disposed in a horizontal direction and respective sub pixels are adjacent to each other in a vertical direction.
  • FIG. 12 there is a mosaic disposition in which an R sub pixel, a G sub pixel, and a B sub pixel are repeatedly disposed in the horizontal direction and the respective sub pixels are disposed in the vertical direction so as to be offset with respect to each other by 1 pitch.
  • FIG. 12 there is a stripe disposition in which an R sub pixel, a G sub pixel, and a B sub pixel are repeatedly disposed in a horizontal direction and respective sub pixels are adjacent to each other in a vertical direction.
  • the opening size of the mask needs to be reduced.
  • the pixel pitch in the horizontal direction becomes a small value of approximately 90 ⁇ m.
  • the sub pixel pitch is 30 ⁇ m as illustrated in FIG. 14B, so that the opening width of the mask is equal to or smaller than the sub pixel pitchu It is extremely difficult for the current technology to obtain the opening width by using a metal mask thin plate for etching. Even when the stripe disposition is provided by a plating method using a photolithography technique, it is necessary to generally ensure a mask evaporation deviation amount of ⁇ 10 ⁇ m in view of the opening precision and opening position precision. In the case of the stripe disposition illustrated in FIG. 14A, the interval between adjacent sub pixels in the horizontal direction is ensured to be 20 ⁇ m in view of the mask evaporation deviation amount and the driving wiring pattern.
  • the pixel aperture ratio is extremely small.
  • the pixel aperture ratio reduces, the brightness of the display region can be maintained by increasing brightness of the sub pixels corresponding to the reduction in the pixel aperture ratio.
  • an adverse effect such as shortening of a life thereof, which corresponds to the increase in brightness, can be generated. Therefore, it is important to maximize the pixel aperture ratio when the display apparatus is designed.
  • Another method of increasing the resolution is a method of disposing, in each pixel, a plurality of G sub pixels having the highest visual sensitivity among the three-primary-color sub pixels as described in Japanese Patent Application Laid-Open Nos. H02-000826 and S59-111196.
  • an R sub pixel, a B sub pixel, and two G sub pixels are disposed in each pixel.
  • the area of each of the G sub pixels is set to 1/2 of an area of each of the R sub pixel and the B sub pixel.
  • a displayed image is evaluated in each of the horizontal direction, the vertical direction, and the oblique direction.
  • it is necessary to uniformly distribute the R sub pixels, the G sub pixels, and the B sub pixels in any of the horizontal direction, the vertical direction, and the oblique direction.
  • the color display apparatus described in Japanese Patent Application Laid-Open No. S59-111196 although the two G sub pixels are disposed in each pixel to improve the resolution feeling, the disposition in which higher resolution feeling is obtained for each of the R sub pixel, the G sub pixel, and the B sub pixel is not made.
  • each G sub pixel is not adjacent to other G sub pixels as with the case of the color display apparatus described in Japanese Patent Application Laid-Open No. S59-111196 (see FIG. 3(2)), each G sub pixel is smaller than the conventional G sub pixels. Therefore, there is posed a problem that sub pixel patterning becomes more difficult because of the deviation of patterning position.
  • a display apparatus which includes: a plurality of pixels disposed in two directions within a display surface, each of the plurality of pixels including a sub pixel for emitting a red light, two sub pixels for emitting a green light, and a sub pixel for emitting a blue light, wherein the sub pixel for emitting the red light and the sub pixel for emitting the blue light are disposed so as to partially overlap each other in one of the two directions, and the two sub pixels for emitting the green light are disposed distant from each other in the one direction, wherein for the pixels adjacent to each other in the one direction, the sub pixels for emitting the green light are adjacent to each other, and the sub pixel for emitting the red light and the sub pixel for emitting the blue light are adjacent to each other, and wherein the pixels adjacent to each other in the other of the two directions have the same sub pixel disposition.
  • a method of producing a display apparatus which includes a plurality of pixels disposed in two directions within a display surface and each having a sub pixel for emitting a red light, two sub pixels for emitting a green light, and a sub pixel for emitting a blue light, wherein the sub pixel for emitting the red light and the sub pixel for emitting the blue light are disposed so as to partially overlap each other in one of the two directions, and the two sub pixels for emitting the green light are disposed distant from each other in the one direction, and wherein for the pixels adjacent to each other in the one direction, the sub pixels for emitting the green light are adjacent to each other, the method including forming the sub pixels for emitting the green light by using a mask having an opening which is common to the adjacent sub pixels for emitting the green light.
  • the higher resolution feeling can be more improved without a reduction in pixel size. Even when the pixel size is reduced to advance the realization of high definition, the problem of the sub pixel patterning precision which is difficult to obtain in production can be solved.
  • FIG. 1 is a schematic cross sectional view illustrating an organic EL display apparatus to which the present invention can be applied.
  • FIG. 2A is a schematic plan view illustrating a sub pixel disposition of an organic EL display apparatus according to Example 1 of the present invention
  • FIG. 2B is a schematic plan view illustrating a pixel disposition thereof.
  • FIG. 3 is a schematic plan view illustrating an example of an evaporation mask for the organic EL display apparatus according to Example 1 of the present invention.
  • FIG. 4A is a schematic plan view illustrating a sub pixel disposition of an organic EL display apparatus produced for comparison and FIG. 4B is a schematic plan view illustrating a pixel disposition thereof.
  • FIG. 5 is a schematic plan view illustrating an example of an evaporation mask for the organic EL display apparatus produced for comparison.
  • FIG. 6 is a schematic plan view illustrating a pixel disposition and a sub pixel disposition of an organic EL display apparatus according to Example 2 of the present invention.
  • FIG. 7 is a schematic plan view illustrating a pixel disposition and a sub pixel disposition of an organic EL display apparatus according to Comparative Example 2 of the present invention.
  • FIG. 8 is a schematic plan view illustrating a pixel disposition and a sub pixel disposition of an organic EL display apparatus according to Comparative Example 3 of the present invention.
  • FIG. 9 is a schematic plan view illustrating a pixel disposition and a sub pixel disposition of an organic EL display apparatus according to Example 3 of the present invention.
  • FIGS. 1OA and 1OB are schematic plan views illustrating an example of an evaporation mask for the organic EL display apparatus according to Example 3 of the present invention.
  • FIG. 11 is a schematic plan view illustrating conventional pixel and sub pixel disposition.
  • FIG. 12 is a schematic plan view illustrating conventional pixel and sub pixel disposition.
  • FIG. 13 is a schematic plan view illustrating conventional pixel and sub pixel disposition.
  • FIG. 14A is a schematic plan view illustrating conventional pixel and sub pixel disposition and FIG. 14B is a schematic plan view illustrating an evaporation mask.
  • FIGS. 15A and 15B are schematic plan views illustrating conventional pixel and sub pixel disposition.
  • FIGS. 16A and 16B are schematic plan views illustrating conventional pixel and sub pixel disposition.
  • a display apparatus and a production method thereof according to the present invention are not limited by the examples.
  • the present invention can be embodied not only for an organic EL display apparatus but also for display apparatuses such as a liquid crystal display apparatus (LCD) , a plasma display apparatus (PDP) , and a field emission display apparatus (FED) .
  • LCD liquid crystal display apparatus
  • PDP plasma display apparatus
  • FED field emission display apparatus
  • An organic EL display apparatus having a structure illustrated in FIG. 1 was produced.
  • Thin film transistors TFTs
  • electrode wirings electrode wirings
  • pixel electrodes which are not shown, are formed in a matrix pattern on a substrate 1 illustrated in FIG, 1.
  • a plastic film such as polyethylene terephthalate (PET) , polycarbonate (PC) , or polyethersulfone (PES) can be used for the substrate 1.
  • An organic compound for a light-emitting layer is formed on each of the pixel electrodes.
  • An upper electrode is formed on the light-emitting layer.
  • a protective film is formed on the upper electrode in some cases.
  • the pixel electrodes, the organic compounds, and the upper electrodes, which are formed in a matrix pattern, compose a plurality of organic EL light-emitting portions (sub pixels) 2.
  • the organic compounds for R, G, and B sub pixels are formed by evaporation to the organic EL light-emitting portions 2.
  • the respective organic EL light-emitting portions 2 are separated from one another by pixel banks 3 having apertures in two directions within a display surface.
  • the pixel banks 3 may be made of the same material as the substrate 1 or a photosensitive resin such as an acrylic resin.
  • a method of forming the pixel banks 3 for example, a method of applying a photosensitive resin layer and then performing exposure and wet development can be used.
  • the organic EL display apparatus includes a plurality of pixels disposed in a matrix pattern in the two directions within the display surface. Each of the pixels includes an R sub pixel, G sub pixels, and a B sub pixel. There is a key feature on pixel and sub pixel disposition.
  • FIGS. 2A and 2B illustrate the pixel and sub pixel disposition of the organic EL display apparatus. As illustrated in FIG. 2A, each of the pixels includes an R sub pixel, two G sub pixels, and a B sub pixel.
  • the R sub pixel and the B sub pixel are disposed within each pixel (126 ⁇ m x 96 ⁇ m in size) in diagonal positions so as to partially overlap with each other in any one of the two directions (vertical direction in this example) within the display surface.
  • the two G sub pixels are disposed within each pixel in diagonal positions and distant from each other in the vertical direction.
  • the expression “the R sub pixel and the B sub pixel partially overlap with each other in the vertical direction” herein employed means that the R sub pixel and the B sub pixel partially overlap with each other when the R sub pixel is shifted in the horizontal direction toward the B sub pixel.
  • the expression “the two G sub pixels are distant from each other in the vertical direction” herein employed means that the two G sub pixels are distant from each other without overlapping when one of the G sub pixels is shifted in the horizontal direction toward the other of the G sub pixels.
  • G sub pixels are adjacent to each other
  • an R sub pixel is adjacent to a B sub pixel
  • a B sub pixel is adjacent to an R sub pixel.
  • the same sub pixel disposition is employed, in other words, three-color sub pixels are disposed in the same manner.
  • the interval between one of the R sub pixel and the B sub pixel and a sub pixel adjacent thereto in one of the horizontal direction and the vertical direction is ensured to be 20 ⁇ m in view of production precision of an evaporation mask and a driving wiring pattern.
  • a disposition in which an interval between the G sub pixels adjacent to each other in the vertical direction is not ensured that is, a disposition in which the adjacent G sub pixels are in contact with each other, is employed.
  • Such a sub pixel disposition can be made because the two G sub pixels adjacent to each other in the vertical direction are formed by a commonly used opening of the evaporation mask as described later.
  • the pixels adjacent to each other in the vertical direction have the same sub pixel disposition.
  • the pixel disposition is such that the pixels adjacent to each other in the vertical direction are offset with respect to each other by a 1/2 pixel pitch in the horizontal direction.
  • the organic compound layers are formed for respective emission colors on the substrate including the pixels by vacuum evaporation and patterning using a mask in which openings are formed (metal mask) .
  • a mask in which openings are formed metal mask
  • the two G sub pixels adjacent to each other in the vertical direction are formed by a commonly used mask opening. Therefore, even when the G sub pixel is small, an allowable range of a patterning position deviation such as a mask alignment accuracy or a film formation error is widened because the mask opening has an area approximately two times an area of the G sub pixel.
  • the two G sub pixels are formed by patterning using the single mask opening, so that mask opening patterns corresponding to three- color sub pixels are equal to each other. Therefore, one kind of mask is desirably prepared, with the result that a large effect for reducing a production cost is obtained.
  • the three-color sub pixels can be formed by patterning using the single mask without mask exchange for each emission color. Therefore, the time required for mask exchange can be reduced. This leads not only to the reduction in production cost but also to a shortening of tact time.
  • FIG. 3 illustrates a detail of a metal mask.
  • an opening size of the metal mask is 63 ⁇ m x 64 ⁇ m.
  • the metal mask can be designed and produced using conventional technology.
  • the metal mask was produced by an etching method using an Invar thin plate whose thickness is 30 ⁇ m.
  • Comparative Example 1 an RGB stripe organic EL display apparatus according to Comparative Example 1 as illustrated in FIGS. 4A and 4B was produced.
  • the pixel size was set to 126 ⁇ m x 96 ⁇ m, which was equal to the size in Example 1 of the present invention.
  • the sub pixel interval of 20 ⁇ m was ensured as in Example 1 of the present invention.
  • FIG. 5 illustrates a detail of an evaporation mask for forming (separately depositing) the sub pixels illustrated in FIGS. 4A and 4B.
  • a stripe mask with an opening width of 42 ⁇ m was produced by an etching method using an Invar thin plate of 30 ⁇ m in thickness.
  • a circular zone plate (hereinafter, simply referred to as CZP) image was displayed as an evaluation image on the produced organic EL display apparatus and evaluated.
  • the CZP was originally designed to measure frequency characteristics of an optical device such as a camera.
  • the CZP is a two-dimensional representation of a sine (or cosine) curve in which a number of concentric circles are arranged around the center of the image serving as an origin, the spatial frequency is increased from the center to the outside to decrease the pitch.
  • Example 1 (Comparative Example 1) did not occur in Example 1. This means that the horizontal resolution of the green component which was obtained by the pixel and sub pixel disposition in the present invention was higher. In Example 1, a reduction in alias image caused in the oblique direction was recognized.
  • an image modeling a display panel having the pixel and sub pixel disposition in the present invention as illustrated in FIG. 6 was produced on a positive color film by exposure.
  • the R sub pixel and the B sub pixel are disposed within each pixel in diagonal positions so as to partially overlap each other in any one of the two directions (vertical direction in this example) within the display surface.
  • the two G sub pixels are disposed within each pixel in diagonal positions and distant from each other in the vertical direction.
  • G sub pixels are adjacent to each other, an R sub pixel is adjacent to a B sub pixel, and a B sub pixel is adjacent to an R sub pixel.
  • the same sub pixel disposition is- employed, in other words, three-color sub pixels are disposed in the same manner.
  • the same sub pixel disposition as Example 1 is employed.
  • the pixels adjacent to each other in the vertical direction have sub pixel dispositions reverse to each other in the horizontal direction.
  • the pixels adjacent to each other in the vertical direction are disposed in a grid pattern without offset of a pixel pitch in the horizontal direction.
  • the same sub pixel disposition is employed, but positions for pixel separation are different from each other. Both of the separation methods have the same mask evaporation step. Any one of the both separation methods may be employed for the present invention.
  • the image used was obtained by converting the resolution of an SD quality image into a resolution suitable for each pixel disposition.
  • An ectachrome output file manufactured by Kodak Co. was used as the positive color film.
  • the evaluation image was exposed and developed by a film recorder LVT manufactured by Kodak Co. After the development, the film was placed on a light box and visually observed at a distance of 30 cm to 50 cm as a visual distance equal to an actual panel observation condition. An image is used as the evaluation image.
  • an image modeling a display panel having the pixel and sub pixel disposition in the present invention as illustrated in FIG. 7 was produced on a positive color film by exposure.
  • the sub pixel disposition within each pixel is equal to the sub pixel disposition in Example 1.
  • the pixels which are adjacent to each other in the vertical direction have the same sub pixel disposition.
  • the pixels adjacent to each other in the vertical direction are disposed in a grid pattern without offset of a pixel pitch in the horizontal direction.
  • the image used was obtained by converting the resolution of an SD quality image into a resolution suitable for each pixel disposition.
  • An ectachrome output file manufactured by Kodak Co. was used as the positive color film.
  • the evaluation image was exposed and developed by a film recorder LVT manufactured by Kodak Co. After the development, the film was placed on a light box and visually observed at a distance of 30 cm to 50 cm as a visual distance equal to an actual panel observation condition. An image is used as the evaluation image. (Evaluation)
  • a CZP image was displayed as an evaluation image on the produced positive color film.
  • the positive color film of Example 2 of the present invention was compared with the positive color film of Comparative Example 2.
  • an image modeling a display panel having the pixel and sub pixel disposition in the present invention as illustrated in FIG. 8 was produced on a positive color film by exposure.
  • the pixels are disposed in a matrix pattern to attain point symmetrical sub pixel disposition.
  • the pixels adjacent to each other in the vertical direction have sub pixel dispositions reverse to each other in the vertical and horizontal directions.
  • the pixels adjacent to each other in the vertical direction are disposed in a grid pattern without offset of a pixel pitch in the horizontal direction.
  • the image used was obtained by converting the resolution of an SD quality image into a resolution suitable for each pixel disposition.
  • An ectachrome output file manufactured by Kodak Co. was used as the positive color film.
  • the evaluation image was exposed and developed by a film recorder LVT manufactured by Kodak Co. After the development, the film was placed on a light box and visually observed at a distance of 30 cm to 50 cm as a visual distance equal to an actual panel observation condition. An image is used as the evaluation image. (Evaluation)
  • Example 3 in any of Comparative Example 3 and Example 2, similar alias image was caused in the horizontal direction in the case of each of the red component and the blue component. However, according to Example 2, an effect was confirmed in which alias image in each of the vertical direction and the oblique direction was reduced in any of the red component and the blue component. (Example 3)
  • an image modeling a display panel having the pixel and sub pixel dispositions in the present invention as illustrated in FIG. 9 was produced on a positive color film by exposure.
  • the pixels adjacent to each other in the vertical direction have sub pixel dispositions reverse to each other in the vertical direction.
  • the pixels adjacent to each other in the vertical direction are disposed in a grid pattern without offset of a pixel pitch in the horizontal direction.
  • the pixels adjacent to each other in the vertical direction are disposed in the grid pattern without offset of the pixel pitch in the horizontal direction.
  • the pixels adjacent to each other in the vertical direction may be disposed so as to be offset with respect to each other by 1/2 pixel pitch in the horizontal direction.
  • the pixels adjacent to each other in the vertical direction have sub pixel dispositions reverse to each other in the vertical and horizontal directions.
  • the image used was obtained by converting the resolution of an SD quality image into a resolution suitable for each pixel disposition.
  • An ectachrome output file manufactured by Kodak Co. was used as the positive color film.
  • the evaluation image was exposed and developed by a film recorder LVT manufactured by Kodak Co. After the development, the film was placed on a light box and visually observed at a distance of 30 cm to 50 cm as a visual distance equal to an actual panel observation condition. An image is used as the evaluation image.
  • Example 2 For the result, as compared with Example 2, the same evaluation result was obtained with respect to the G component. However, with respect to the R component and the B component, an alias image was outstanding in any of the horizontal direction, the vertical direction, and the oblique direction.
  • the R sub pixels, G sub pixels, and B sub pixels are formed by patterning organic compound layers (organic light-emitting layers) for each emission color on a substrate having pixels by vacuum evaporation using a mask having openings formed therein (metal mask) .
  • the two G sub pixels adjacent to each other in the vertical direction are formed by a single common mask opening. Therefore, even when the G sub pixel is small, because the mask opening has an area approximately two times an area of the G sub pixel, an allowable range of a patterning position deviation such as a mask alignment accuracy or a film formation error is widened.
  • the same mask as the mask illustrated in FIG. 3 can be used as the mask for forming the G sub pixel.
  • a group of R sub pixels and a group of B sub pixels in adjacent pixels can be patterned by using a single mask opening. Therefore, one kind of mask may be prepared to form the R sub pixels and the B sub pixels, with the result that an effect of reducing the production cost is obtained.
  • the red sub pixels and the blue sub pixels can be patterned by using a single mask without the need of mask exchange for each emission color. Therefore, the time required for mask exchange can be reduced, which leads not only to reduction in the production cost but also to reduction of tact time.
  • the pixel shape is a rectangular shape, various shapes such as a square shape, a parallelogram shape, and a rhomboid shape can be used.
  • the two G sub pixels have the same shape, different shapes may be employed therefor.
  • the length in the vertical direction of the G sub pixel which is located on the upper left hand side in the pixel may be small and the length in the vertical direction of the G sub pixel which is located on the lower right hand side in the pixel may be large.
  • the areas of the three-color sub pixels in each pixel are equal to one another, the areas of the three-color sub pixels may be different from one another.
  • the areas of the three-color sub pixels are desirably made equal to one another.
  • the display apparatus may be a passive matrix display apparatus in which light is emitted at intersections of stripe electrodes or an active matrix display apparatus in which a switching element for controlling emission/non- emission of light of a sub pixel is formed for each emission color.
  • the two G sub pixels may be driven either independently or in accordance with a common drive signal.
  • the display apparatus can be used for display units of various electronic equipments.
  • the display apparatus is used for, for example, a television receiver, a personal computer, a mobile phone, a portable audio player, an imaging device (digital camera or digital camcorder) , a personal digital assistant (PDA) , a car navigation system, and an OA device.
  • a television receiver a personal computer
  • a mobile phone a portable audio player
  • an imaging device digital camera or digital camcorder
  • PDA personal digital assistant
  • car navigation system a car navigation system
  • OA OA device
  • the display apparatus according to the present invention can be desirably used for small electronic equipments such as a mobile phone, a portable audio player, an imaging device, and a personal digital assistant.

Abstract

L'invention concerne un afficheur pouvant afficher une image produisant un effet de résolution supérieure tout en apportant une solution au problème lié à la difficulté d'obtenir une précision élevée de définition des sous-pixels lors de la production, et un procédé pour produire cet afficheur. L'afficheur comprend une pluralité de pixels disposés dans deux directions à l'intérieur de la surface d'affichage, et comprenant chacun un sous-pixel pour l'émission de lumière rouge, deux sous-pixels pour l'émission de lumière verte, et un sous-pixel pour l'émission de lumière bleue, le sous-pixel pour l'émission de lumière rouge et le sous-pixel pour l'émission de lumière bleue étant disposés de manière à se chevaucher partiellement dans l'une des deux directions, et les deux sous-pixels pour l'émission de lumière verte sont disposés à une certaine distance l'un de l'autre dans une direction. Concernant les pixels adjacents dans une direction, les sous-pixels pour l'émission de lumière verte sont adjacents les uns aux autres, et les sous pixels pour l'émission de lumière rouge et les sous-pixels pour l'émission de lumière bleue sont adjacents les uns aux autres, et les sous-pixels des pixels adjacents les uns aux autres dans l'autre des deux directions présentent le même agencement.
PCT/JP2008/051714 2007-02-02 2008-01-29 Afficheur et son procédé de production WO2008093862A1 (fr)

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US12/521,933 US8159117B2 (en) 2007-02-02 2008-01-29 Display apparatus and production method thereof

Applications Claiming Priority (4)

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JP2007023825 2007-02-02
JP2007-023825 2007-02-02
JP2007329822A JP4721460B2 (ja) 2007-02-02 2007-12-21 表示装置及びその製造方法
JP2007-329822 2007-12-21

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010060802A (ja) * 2008-09-03 2010-03-18 Sony Corp 表示装置、表示装置の画素分割方法および電子機器
CN104166259A (zh) * 2014-07-30 2014-11-26 京东方科技集团股份有限公司 显示基板及其驱动方法和显示装置
CN104599599A (zh) * 2015-02-13 2015-05-06 京东方科技集团股份有限公司 显示基板及其驱动方法和显示装置
CN104616597A (zh) * 2015-02-13 2015-05-13 京东方科技集团股份有限公司 显示基板及其驱动方法和显示装置
CN106067476A (zh) * 2015-04-24 2016-11-02 乐金显示有限公司 具有子像素阵列结构的显示装置
CN106647061A (zh) * 2017-01-23 2017-05-10 武汉华星光电技术有限公司 像素结构及液晶显示面板
EP3671855A4 (fr) * 2018-06-27 2020-12-30 Kunshan Go-Visionox Opto-Electronics Co., Ltd. Module d'affichage de pixels et plaque de masque pour sa fabrication
CN112269285A (zh) * 2016-07-08 2021-01-26 夏普株式会社 显示面板

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS599636A (ja) * 1982-07-07 1984-01-19 Seiko Epson Corp 液晶表示体
JPH0227322A (ja) * 1988-07-15 1990-01-30 Sharp Corp アクティブマトリクス基板
JPH09318976A (ja) * 1996-05-28 1997-12-12 Casio Comput Co Ltd 液晶表示装置
JP2003213401A (ja) * 2002-01-16 2003-07-30 Sony Corp 蒸着マスクおよび成膜装置
JP2005154879A (ja) * 2003-11-28 2005-06-16 Canon Components Inc 蒸着用メタルマスク及びそれを用いた蒸着パターンの製造方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS599636A (ja) * 1982-07-07 1984-01-19 Seiko Epson Corp 液晶表示体
JPH0227322A (ja) * 1988-07-15 1990-01-30 Sharp Corp アクティブマトリクス基板
JPH09318976A (ja) * 1996-05-28 1997-12-12 Casio Comput Co Ltd 液晶表示装置
JP2003213401A (ja) * 2002-01-16 2003-07-30 Sony Corp 蒸着マスクおよび成膜装置
JP2005154879A (ja) * 2003-11-28 2005-06-16 Canon Components Inc 蒸着用メタルマスク及びそれを用いた蒸着パターンの製造方法

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JP2010060802A (ja) * 2008-09-03 2010-03-18 Sony Corp 表示装置、表示装置の画素分割方法および電子機器
CN104166259A (zh) * 2014-07-30 2014-11-26 京东方科技集团股份有限公司 显示基板及其驱动方法和显示装置
US10115329B2 (en) 2014-07-30 2018-10-30 Boe Technology Group Co., Ltd. Display substrate and driving method and display device thereof
CN104599599A (zh) * 2015-02-13 2015-05-06 京东方科技集团股份有限公司 显示基板及其驱动方法和显示装置
CN104616597A (zh) * 2015-02-13 2015-05-13 京东方科技集团股份有限公司 显示基板及其驱动方法和显示装置
CN104599599B (zh) * 2015-02-13 2017-05-24 京东方科技集团股份有限公司 显示基板及其驱动方法和显示装置
CN106067476A (zh) * 2015-04-24 2016-11-02 乐金显示有限公司 具有子像素阵列结构的显示装置
CN112269285A (zh) * 2016-07-08 2021-01-26 夏普株式会社 显示面板
CN112269285B (zh) * 2016-07-08 2024-04-19 夏普株式会社 显示面板
CN106647061A (zh) * 2017-01-23 2017-05-10 武汉华星光电技术有限公司 像素结构及液晶显示面板
WO2018133142A1 (fr) * 2017-01-23 2018-07-26 武汉华星光电技术有限公司 Structure de pixel et panneau d'affichage à cristaux liquides
EP3671855A4 (fr) * 2018-06-27 2020-12-30 Kunshan Go-Visionox Opto-Electronics Co., Ltd. Module d'affichage de pixels et plaque de masque pour sa fabrication

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