WO2011111774A1 - Écran barrière parallaxe et procédé de production d'un écran barrière parallaxe - Google Patents

Écran barrière parallaxe et procédé de production d'un écran barrière parallaxe Download PDF

Info

Publication number
WO2011111774A1
WO2011111774A1 PCT/JP2011/055623 JP2011055623W WO2011111774A1 WO 2011111774 A1 WO2011111774 A1 WO 2011111774A1 JP 2011055623 W JP2011055623 W JP 2011055623W WO 2011111774 A1 WO2011111774 A1 WO 2011111774A1
Authority
WO
WIPO (PCT)
Prior art keywords
parallax barrier
mesh
screen
plate
barrier screen
Prior art date
Application number
PCT/JP2011/055623
Other languages
English (en)
Japanese (ja)
Inventor
博文 岡本
Original Assignee
西日本３Ｄ株式会社
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
Application filed by 西日本３Ｄ株式会社 filed Critical 西日本３Ｄ株式会社
Publication of WO2011111774A1 publication Critical patent/WO2011111774A1/fr

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/30—Image reproducers
    • H04N13/302—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays
    • H04N13/31—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays using parallax barriers
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
    • G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
    • G02B30/26—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type
    • G02B30/30—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type involving parallax barriers
    • G02B30/32—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type involving parallax barriers characterised by the geometry of the parallax barriers, e.g. staggered barriers, slanted parallax arrays or parallax arrays of varying shape or size
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/30—Image reproducers
    • H04N13/302—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays
    • H04N13/317—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays using slanted parallax optics

Definitions

  • the present invention relates to a parallax barrier screen in a three-dimensional image display device and a manufacturing method thereof.
  • Patent Document 1 About a three-dimensional image display device and a parallax barrier screen (parallax barrier) that display a three-dimensional image by a parallax barrier method using parallax between an observer's right eye and left eye without using special glasses, etc.
  • a parallax barrier screen parallax barrier
  • Patent Document 1 in a three-dimensional image display device, a right-eye image and a left-eye image that an observer's right eye and left eye should see are located at a predetermined distance on the back side of a very narrow slit-shaped aperture opening.
  • a parallax stereogram method in which an image is displayed in a three-dimensional manner by alternately arranging images in a vertical stripe pattern on the stereogram display surface, or the aperture ratio of the aperture of the parallax barrier is, for example, 1/6 to 1/10.
  • Example of adopting a parallax panoramagram method that displays continuous 3D images with 6 to 10 direction resolutions by arranging continuous images taken from multiple directions on the image display surface. Is disclosed.
  • a black that separates the pixels from each other together with the image for the right eye and the image for the left eye displayed on each pixel of the image display surface. A matrix is observed.
  • the black matrix does not appear to be uniform as a whole of the three-dimensional image display device, a portion where the area occupied by the black matrix in each opening is large and a portion where the black matrix is small are mixed. Thereby, the difference in brightness in each opening part arises, and moire occurs.
  • each opening of the parallax barrier screen is formed.
  • the difference in the occupied area of the observed black matrix is made as small as possible to reduce the occurrence of moire.
  • the conventional 3D image display apparatus may not be able to display a 3D image with a clean movement.
  • the present invention has been made in order to solve the above-described problems.
  • the object of the present invention is to provide a high-quality 3 which has a smooth movement of a three-dimensional image, can reduce the occurrence of moire, and does not cause eye fatigue. It is to provide a parallax barrier screen capable of displaying a three-dimensional image.
  • the method for manufacturing a parallax barrier screen according to the present invention is a method for manufacturing a parallax barrier screen in a three-dimensional image display device.
  • the parallax barrier screen is manufactured through two processes: a plate making process for producing a plate for printing a parallax barrier on a recording medium and a printing process for printing a parallax barrier on a recording medium using the plate produced in the plate making process.
  • the parallax barrier is formed with an irregular pattern based on a mesh pattern in which only the details are irregular while having a constant pattern shape
  • a step of forming the parallax barrier with an irregular pattern composed of a mesh line used for producing a plate in a plate making process or a mesh line of the plate used in a printing process. Includes a step of forming a boundary line between the translucent portion and the non-translucent portion, and the step of forming the boundary line includes a step of forming a portion along the mesh line and a portion not along the mesh line.
  • the printing process is a silk printing process.
  • the parallax barrier screen in the three-dimensional image display device is manufactured by the above-described manufacturing method.
  • the parallax barrier screen in the three-dimensional image display device has an irregular pattern based on a meshed eye having a certain pattern shape but only irregular details. To do.
  • the mesh includes a mesh line used in the manufacturing process of the parallax barrier screen.
  • the parallax barrier screen includes a transparent substrate that transmits light, and a parallax barrier that is provided on the transparent substrate and blocks part of the light that passes through the transparent substrate,
  • the barrier has an irregular pattern based on the mesh.
  • the transparent substrate is made of a glass plate or a synthetic resin.
  • the parallax barrier screen since the parallax barrier screen has an irregular pattern based on the mesh, only the details can be irregular while having a constant shape. Therefore, by using this parallax barrier screen for a three-dimensional image display device, it is possible to reproduce a three-dimensional image with smooth movement, reduced moiré, and no eye fatigue.
  • (A) is a whole top view of a positive film
  • (B) is an enlarged schematic diagram of portion S1 enclosed with a square in (A).
  • (A) is a schematic diagram showing the whole
  • (B) is an enlarged view of a portion S2 surrounded by a square in (A)
  • (C) is in
  • (B) It is an enlarged view of a portion S3 surrounded by a square
  • (D) is a diagram showing details of the plate before an original image is formed on the plate. It is a figure which shows the specific printing example at the time of printing using a plate.
  • (A) is one example
  • (B) is another example.
  • the method for manufacturing a parallax barrier screen includes a plate making process for producing a plate for printing on a recording medium, and a printing process for printing on the recording medium using the plate produced in the plate making process.
  • FIG. 1A is a diagram showing an entire original picture used for a plate
  • FIG. 1B is an enlarged view of a portion indicated by S1 in FIG. 1A.
  • an original image 12 for forming a parallax barrier screen includes a transparent portion 13 that transmits light formed on a positive film 11 and a blocking portion 14 that blocks light.
  • the transparent portion 13 and the blocking portion 14 have a regular stripe shape.
  • the boundary between the transparent portion 13 and the blocking portion 14 is a straight line, and the transparent portion 13 and the blocking portion 14 are in the direction of the vertical side of the frame 33 (see FIG. 2) to which the silk is fixed (in the direction of arrow Y in the figure). )
  • ⁇ ° is an inclination of ⁇ 90 ° to + 90 ° (including 0).
  • FIG. 2 is a diagram showing details of the plate making process.
  • frame 33 and screen 15 are fixed to rectangular frame 33 formed of a metal such as aluminum using an adhesive.
  • silk is used for the screen 15.
  • the photosensitive emulsion is applied to the silk screen 15 fixed to the frame 33 using a dedicated machine or bucket.
  • a printing positive film 11 on which the original image shown in FIG. 1 for printing on a recording medium in a printing process described later is drawn is pasted on a screen 15 coated with a photosensitive emulsion.
  • the screen 15 and the positive film 11 on which the screen 15 is attached are exposed by an ultraviolet irradiation device, and the positive film 11 is baked on the silk screen 15.
  • the screen 15 and the positive film 11 exposed for a predetermined time are washed with high-pressure washing water.
  • the photosensitive emulsion in the blocking portion 14 of the original image 12 on the positive film 11 is washed away with water.
  • a portion corresponding to the blocking portion 14 of the positive film 11 becomes a portion (hereinafter referred to as a transmissive portion) that allows ink to ooze out from the mesh 24 of the screen 15 in a printing process described later.
  • the transparent portion 13 the photosensitive emulsion is fixed to the silk and becomes a portion (hereinafter referred to as an impermeable portion) where ink is not leached in a printing process described later.
  • FIG. 2A when the screen 15 washed with water dries, as shown in FIG. 2B, the transmissive portion 17 and the non-transmissive portion 18 in the printing process are formed in stripes, and the plate 20 is completed.
  • the mesh line 21 constituting the mesh 24 of the screen 15 extends at an angle of 45 ° with respect to the vertical direction and includes a plurality of mesh lines 22 and 23 orthogonal to each other (FIG. 2 ( D)). Printing is performed by printing on the screen 15.
  • the boundary between the transparent portion 17 and the opaque portion 18 is formed in a shape as shown in FIG.
  • An end portion (boundary between the transmissive portion 17 and the non-transmissive portion 18) 19 on one side of the non-transmissive portion 18 intersects with the mesh lines 22 and 23.
  • the end 19 should be a straight line indicated by a line 19a and a dotted line.
  • the end portion 19 includes a portion 19 a along the photosensitive emulsion and a portion 19 b along the mesh lines 22 and 23. That is, the end portion 19 is composed of a portion 19a along the photosensitive emulsion and portions (mesh lines 22 and 23) 19b along the mesh line 21. Therefore, the end 19 is formed in an irregular pattern based on the silk mesh 24.
  • the reason why it is formed in this way is due to the surface tension of the photosensitive emulsion coated with silk, the ultraviolet irradiation method, and the like.
  • this plate-making process is a first element that forms an irregular pattern based on the mesh 24 of the silk screen 15.
  • FIG. 3 is a diagram showing a printing process.
  • the printing process printing is performed on a transparent glass substrate that is a transparent glass plate, using the plate 20 formed of silk completed in the plate making process described above. .
  • this transparency is high.
  • the plate 20 completed in the plate making process is placed at a predetermined position on the glass plate 30, that is, a predetermined position at the time of printing.
  • Ink is prepared on the plate 20. Using the squeegee, the ink is evenly spread over the transmission part of the plate 20. At this time, the ink is noticed in the transmission part of the plate 20.
  • the plate 20 is brought into contact with the glass plate 30 and ink is applied to the glass plate 30 again using a squeegee.
  • the plate 20 is separated from the glass plate 30.
  • the parallax barrier 27 that blocks a part of the transmitted light separated by the thick line 34 in the glass plate 30, and the translucent part 28 that transmits the light.
  • a glass plate 30 on which silk printing is performed is completed. That is, the parallax barrier screen 10 is completed.
  • a portion 31 indicated by a dotted line in the drawing is a boundary portion in the transmission portion 17 and the non-transmission portion 18 in the plate 20 to be originally formed shown in FIG. is there.
  • the ink penetrates as shown by the bold line 34. That is, the boundary portion of the ink (thick line 34) is divided into a portion along the mesh line 21 (a portion 32a along the mesh line 22 and a portion 32b along the mesh line 23) and a portion 32c along the photosensitive emulsion. It consists of.
  • FIG. 3B shows another example in which printing is performed using the same plate 20.
  • the boundary between the transmission part 17 and the non-transmission part 18 in the plate 20 to be originally formed is indicated by a dotted line 31
  • the boundary between the actually formed parallax barrier 27 and the light transmission part 28 is indicated by a thick line 34.
  • the boundary 34 between the parallax barrier 27 and the translucent portion 28 can be formed in different shapes based on the mesh 24.
  • the printing process is a second element that forms an irregular pattern based on the silk netting.
  • the factors for this are the shape of the silk mesh 24 when the ink permeates, the surface tension of the ink, and the like.
  • an irregular pattern is formed based on the mesh of silk in the plate making process, and an irregular pattern is formed based on the mesh of silk in the printing process.
  • a parallax barrier screen having an irregular pattern based on the mesh of the mesh can be manufactured.
  • the parallax barrier screen manufactured by such a manufacturing method can be irregular only in details, although the parallax barrier has an irregular pattern based on the mesh of the mesh. Therefore, when this barrier screen is used in a three-dimensional image display device, it is possible to reproduce a three-dimensional image that has smooth movement, can reduce the occurrence of moire, and does not cause eye fatigue.
  • the present invention is not limited to this, and any shape is possible according to the three-dimensional image display device used. Further, the surface area, thickness, and the like of the glass plate may be appropriately specified based on the applied three-dimensional image display device. Moreover, as long as it has predetermined
  • the present invention is not limited to this, and the shape of the parallax barrier required for the applied three-dimensional image display device is not limited. You may make it identify suitably.
  • any woven fabric having a mesh may be used.
  • it may be a woven fabric made of a chemical fiber such as nylon or Tetron (registered trademark), or a metal fiber such as a stainless steel wire.
  • the silk mesh used for the screen is preferably 150 to 450 mesh. If the mesh size is reduced beyond this range, the mesh size is fine, so that the boundary portion (thick line 34) becomes closer to a straight line, and the boundary between the transmission portion and the non-transmission portion becomes clear. As a result, the image may not change smoothly, and the eyes may become tired easily. On the other hand, if the mesh becomes larger than this range, the mesh becomes larger, and the unevenness at the boundary between the transmissive part and the non-transmissive part becomes large, which may make it difficult to view the image. In addition, the mesh between these, especially 350 mesh are preferable.
  • the mesh here is a unit based on items including the mesh opening and the fiber diameter in the fabric, and represents the number of meshes per inch.
  • M 25.4 / (A + d) (1)
  • M is a mesh
  • A is an opening in a mesh
  • FIG. 4 is an enlarged schematic diagram illustrating an example of the parallax barrier screens 35 and 36 formed based on two silks having different numbers of meshes.
  • 4A shows the case of 200 mesh mesh
  • FIG. 4B shows the case of 350 mesh mesh.
  • the magnifications enlarged in (A) and (B) are the same.
  • a more irregular pattern is formed at the boundary between the parallax barrier screens 35 and 36 in the case of 350 mesh than in the case of 200 mesh. This is because 350 mesh has a smaller mesh opening, so that the lines that form the boundary of the parallax barrier screen in an irregular pattern can be made finer.
  • the higher the number of meshes, the smaller the mesh, and the more irregular patterns at the boundaries between the parallax barriers 35a and 36a and the translucent portions 35b and 36b of the parallax barrier screens 35 and 36 are made finer. Also, the lower the number of meshes, the larger the mesh and the rougher the border of the parallax barrier screen. In other words, based on the number of meshes, the shape of the boundary portion based on the mesh of the parallax barrier screen can be set finely or coarsely.
  • the photoengraving method using a positive film is adopted in the platemaking process.
  • the present invention is not limited to this, and a blocking method that draws directly on the screen and keeps eyes on the screen mesh, paper, etc.
  • a cutting method of cutting out and sticking directly to the screen may be used.
  • the parallax barrier is preferably black for the ink in this embodiment.
  • the color is bright. For example, blue may be used. This is because when the parallax barrier screen is applied to a three-dimensional image display device, the blue ink that forms the light-shielding portion slightly transmits light, so that the three-dimensional image is displayed bright overall.
  • the irregular pattern at the boundary portion of the parallax barrier has been described in the case where it is formed in two steps of the plate making process and the printing process.
  • the viscosity of the ink to be used is lowered. You may make it receive only one influence, such as reducing an influence.
  • the method for manufacturing the parallax barrier screen using silk printing has been described.
  • the present invention is not limited thereto, and the parallax barrier on the parallax barrier screen is formed in an irregular pattern based on the mesh of the mesh. Any method may be used as long as it is a manufacturing method.
  • FIG. 5A is a perspective view showing a three-dimensional image display device including a parallax barrier screen 10 and an image display unit 40 provided in the lower part of the parallax barrier screen 10.
  • FIG. 5B is a perspective view of FIG. ) Is an enlarged schematic view of a portion S5 surrounded by a square.
  • the parallax barrier screen 10 is formed on the glass plate 30 that transmits light, and blocks a part of the light that passes through the glass plate 30, as shown in FIG.
  • a parallax barrier screen 10 is provided.
  • the parallax barrier screen 10 is formed in a band shape, and is arranged in a substantially striped shape on the surface of the glass plate 30.
  • Each parallax barrier 27 is parallel, and the boundary between the parallax barrier 27 and the translucent portion 28 has an irregular pattern based on the mesh eyes.
  • parallax barrier screen 10 Since the parallax barrier screen 10 has the configuration described in the previous embodiment, the description thereof is omitted here.
  • the average width of each of the parallax barrier 27 and the translucent portion 28 of the parallax barrier screen 10, the average interval between the parallax barriers 27, and the angle of inclination of the parallax barrier 27 from the vertical direction are used in three dimensions. Appropriately specified for the image display device.
  • the parallax barrier screen since the parallax barrier screen has an irregular pattern based on the mesh, only the details can be irregular while having a constant shape. Therefore, when this parallax barrier screen is used in a three-dimensional image display device, it is possible to reproduce a three-dimensional image with smoother movement, less moiré, and less eye fatigue.
  • the parallax barrier screen only needs to block light.
  • it may be in the form of application of dark ink, film, paper, metal, synthetic resin, or the like.
  • parallax barrier screen 11 positive film, 12 original picture, 13 transparent part, 14 blocking part, 15 screen, 17 transparent part, 18 opaque part, 19 edge, 20 version, 24 mesh, 27 parallax barrier, 28 transparent Light part, 30 glass plate, 40 image display part.

Abstract

L'invention concerne un écran barrière parallaxe (10) qui comprend une plaque de verre (30) transmettant la lumière, et une barrière parallaxe (27) disposée sur la plaque de verre (30) et bloquant une partie de la lumière transmise à travers la plaque de verre (30). La barrière parallaxe (27) possède un motif de maillage irrégulier.
PCT/JP2011/055623 2010-03-10 2011-03-10 Écran barrière parallaxe et procédé de production d'un écran barrière parallaxe WO2011111774A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2010-053749 2010-03-10
JP2010053749A JP4705693B1 (ja) 2010-03-10 2010-03-10 視差バリアスクリーンおよび視差バリアスクリーンの製造方法

Publications (1)

Publication Number Publication Date
WO2011111774A1 true WO2011111774A1 (fr) 2011-09-15

Family

ID=44292595

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2011/055623 WO2011111774A1 (fr) 2010-03-10 2011-03-10 Écran barrière parallaxe et procédé de production d'un écran barrière parallaxe

Country Status (2)

Country Link
JP (1) JP4705693B1 (fr)
WO (1) WO2011111774A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9022564B2 (en) * 2011-12-21 2015-05-05 Panasonic Intellectual Property Corporation Of America Display apparatus
CA2887922A1 (fr) * 2012-10-10 2014-10-09 John Tamkin Systeme pour distribuer des images autostereoscopiques

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005176004A (ja) * 2003-12-12 2005-06-30 Sanyo Electric Co Ltd ３次元映像表示装置
WO2007013249A1 (fr) * 2005-07-25 2007-02-01 Sharp Kabushiki Kaisha Barrière parallaxe, dispositif d'affichage multiple et procédé de fabrication de la barrière parallaxe
WO2010007787A1 (fr) * 2008-07-15 2010-01-21 Yoshida Kenji Système d'affichage d'images vidéo 3d à l'oeil nu, afficheur de ce type, machine de jeux de divertissement et feuille barrière à parallaxe

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2919759B2 (ja) * 1994-05-18 1999-07-19 三洋電機株式会社 光学フィルタ及びこれを用いる立体表示装置
JPH11296124A (ja) * 1998-04-07 1999-10-29 Uf Sangyo Kk 立体映像表示装置
JP2002202477A (ja) * 2000-12-28 2002-07-19 Hirata:Kk 三次元画像の表示方法及びその三次元画像の印刷物

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005176004A (ja) * 2003-12-12 2005-06-30 Sanyo Electric Co Ltd ３次元映像表示装置
WO2007013249A1 (fr) * 2005-07-25 2007-02-01 Sharp Kabushiki Kaisha Barrière parallaxe, dispositif d'affichage multiple et procédé de fabrication de la barrière parallaxe
WO2010007787A1 (fr) * 2008-07-15 2010-01-21 Yoshida Kenji Système d'affichage d'images vidéo 3d à l'oeil nu, afficheur de ce type, machine de jeux de divertissement et feuille barrière à parallaxe

Also Published As

Publication number Publication date
JP4705693B1 (ja) 2011-06-22
JP2011186336A (ja) 2011-09-22

Similar Documents

Publication Publication Date Title
US9137525B2 (en) Multilayer video screen
JP4015090B2 (ja) 立体表示装置および画像表示方法
JP4823571B2 (ja) 三次元表示装置
EP2243300B1 (fr) Dispositif de sortie d'image autostéréoscopique
CN108776388B (zh) 基于渐变狭缝光栅的双视3d显示装置及方法
EP3199988B1 (fr) Filtre de couleur et son procédé de fabrication, panneau d'affichage, dispositif d'affichage, et procédé d'entraînement de ce dernier
EP2557449B1 (fr) Elément optique permettant un affichage d'image vidéo en trois dimensions et dispositif d'affichage d'image vidéo en trois dimensions
JP5772688B2 (ja) 裸眼立体ディスプレイ装置
JP2010534352A (ja) レンチキュラースクリーンに対するソフトアパーチャ補正
JP2000102039A (ja) 立体画像表示装置
JP2009515223A (ja) 減衰フィルタを均質化する機能を持つ表示デバイス
JP2004264762A (ja) 立体映像表示装置
US20110096152A1 (en) Stereoscopic image display
JP4705693B1 (ja) 視差バリアスクリーンおよび視差バリアスクリーンの製造方法
JP4098612B2 (ja) 三次元画像表示装置
CN101287140A (zh) 一种自由立体显示技术
JP2006330744A (ja) 三次元画像表示装置
CN105629489B (zh) 3d显示屏及3d显示装置
CN100483183C (zh) 一种实用自由立体显示技术方法
CN100520868C (zh) 一种实用自由立体图象显示方法
CN100480779C (zh) 一种实用自由立体显示技术方法
JP2012155182A (ja) 裸眼立体映像表示装置
CN101146235A (zh) 一种自由立体显示技术
JP7153223B2 (ja) パララックスバリア及びバリア付き表示装置
CN101287138A (zh) 一种自由立体显示技术

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 11753432

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 11753432

Country of ref document: EP

Kind code of ref document: A1