CN100456054C - 漫射板及面光源装置 - Google Patents

漫射板及面光源装置 Download PDF

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Publication number
CN100456054C
CN100456054C CNB200580019555XA CN200580019555A CN100456054C CN 100456054 C CN100456054 C CN 100456054C CN B200580019555X A CNB200580019555X A CN B200580019555XA CN 200580019555 A CN200580019555 A CN 200580019555A CN 100456054 C CN100456054 C CN 100456054C
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CN
China
Prior art keywords
concave
convex
light
pattern
convex shape
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
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CNB200580019555XA
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English (en)
Chinese (zh)
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CN1969203A (zh
Inventor
簑部哲也
篠原正幸
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Northeast Electronics Co ltd
Original Assignee
Omron Corp
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Filing date
Publication date
Application filed by Omron Corp filed Critical Omron Corp
Publication of CN1969203A publication Critical patent/CN1969203A/zh
Application granted granted Critical
Publication of CN100456054C publication Critical patent/CN100456054C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0273—Diffusing elements; Afocal elements characterized by the use
    • G02B5/0278—Diffusing elements; Afocal elements characterized by the use used in transmission
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
    • G02B5/021—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
    • G02B5/0257—Diffusing elements; Afocal elements characterised by the diffusing properties creating an anisotropic diffusion characteristic, i.e. distributing output differently in two perpendicular axes
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/04—Prisms
    • G02B5/045—Prism arrays
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
    • G02B6/0051—Diffusing sheet or layer
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0065—Manufacturing aspects; Material aspects

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Planar Illumination Modules (AREA)
  • Liquid Crystal (AREA)
CNB200580019555XA 2004-06-14 2005-06-10 漫射板及面光源装置 Expired - Fee Related CN100456054C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP175773/2004 2004-06-14
JP2004175773A JP4211689B2 (ja) 2004-06-14 2004-06-14 拡散板及び面光源装置

Publications (2)

Publication Number Publication Date
CN1969203A CN1969203A (zh) 2007-05-23
CN100456054C true CN100456054C (zh) 2009-01-28

Family

ID=35503214

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB200580019555XA Expired - Fee Related CN100456054C (zh) 2004-06-14 2005-06-10 漫射板及面光源装置

Country Status (6)

Country Link
US (1) US7614776B2 (enExample)
EP (1) EP1757958A4 (enExample)
JP (1) JP4211689B2 (enExample)
CN (1) CN100456054C (enExample)
TW (1) TWI327237B (enExample)
WO (1) WO2005121844A1 (enExample)

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US8519945B2 (en) 2006-01-06 2013-08-27 Pixtronix, Inc. Circuits for controlling display apparatus
US8159428B2 (en) 2005-02-23 2012-04-17 Pixtronix, Inc. Display methods and apparatus
US8482496B2 (en) 2006-01-06 2013-07-09 Pixtronix, Inc. Circuits for controlling MEMS display apparatus on a transparent substrate
US9261694B2 (en) 2005-02-23 2016-02-16 Pixtronix, Inc. Display apparatus and methods for manufacture thereof
US9082353B2 (en) 2010-01-05 2015-07-14 Pixtronix, Inc. Circuits for controlling display apparatus
US20070205969A1 (en) 2005-02-23 2007-09-06 Pixtronix, Incorporated Direct-view MEMS display devices and methods for generating images thereon
US9229222B2 (en) 2005-02-23 2016-01-05 Pixtronix, Inc. Alignment methods in fluid-filled MEMS displays
US8526096B2 (en) 2006-02-23 2013-09-03 Pixtronix, Inc. Mechanical light modulators with stressed beams
TW200739138A (en) * 2006-03-17 2007-10-16 Mitsubishi Rayon Co Prism sheet, planar light source device and method for manufacturing the prism sheet
TW200745680A (en) * 2006-04-19 2007-12-16 Omron Tateisi Electronics Co Diffuser plate and surface light source device
US7876489B2 (en) 2006-06-05 2011-01-25 Pixtronix, Inc. Display apparatus with optical cavities
TW200817792A (en) * 2006-08-10 2008-04-16 Hitachi Maxell Backlight device, display device, and optical member
US20080094853A1 (en) 2006-10-20 2008-04-24 Pixtronix, Inc. Light guides and backlight systems incorporating light redirectors at varying densities
US20080101759A1 (en) * 2006-10-26 2008-05-01 K Laser Technology, Inc. Prism matrix with random phase structures
JP5377824B2 (ja) * 2006-10-30 2013-12-25 日東電工株式会社 防眩フィルム、防眩シート、およびこれらの製造方法、ならびにこれらを用いた画像表示装置
US9176318B2 (en) 2007-05-18 2015-11-03 Pixtronix, Inc. Methods for manufacturing fluid-filled MEMS displays
US20080304801A1 (en) * 2007-06-11 2008-12-11 Jeng Shiang Precision Ind. Co., Ltd. High-brightness light guide plate
JP4935627B2 (ja) * 2007-10-30 2012-05-23 ソニー株式会社 光学素子および光学素子作製用原盤の製造方法
US8248560B2 (en) 2008-04-18 2012-08-21 Pixtronix, Inc. Light guides and backlight systems incorporating prismatic structures and light redirectors
KR101429176B1 (ko) * 2008-04-24 2014-08-13 삼성디스플레이 주식회사 백라이트 어셈블리 및 그를 포함하는 표시 장치
KR101432723B1 (ko) 2008-08-21 2014-08-22 삼성디스플레이 주식회사 백라이트 어셈블리 및 이를 갖는 표시장치
KR101530995B1 (ko) * 2008-09-24 2015-06-25 삼성디스플레이 주식회사 표시 장치 및 광학 시트의 제조 방법
US8169679B2 (en) 2008-10-27 2012-05-01 Pixtronix, Inc. MEMS anchors
KR20100057296A (ko) * 2008-11-21 2010-05-31 삼성전자주식회사 광확산판, 이의 제조방법 및 이를 갖는 백라이트 어셈블리
CN101749639B (zh) * 2008-11-27 2013-04-24 鸿富锦精密工业（深圳）有限公司 照明装置
TWI404890B (zh) * 2008-12-12 2013-08-11 Hon Hai Prec Ind Co Ltd 照明裝置
JP5498027B2 (ja) * 2009-01-30 2014-05-21 株式会社ジロオコーポレートプラン 液晶表示装置用光学シート及びこれを用いたバックライトユニット
JP5526370B2 (ja) * 2009-11-02 2014-06-18 レーザーテック株式会社 照明光学系、照明方法、及び検査装置
BR112012019383A2 (pt) 2010-02-02 2017-09-12 Pixtronix Inc Circuitos para controlar aparelho de exibição
CN102834763B (zh) 2010-02-02 2015-07-22 皮克斯特罗尼克斯公司 用于制造填充冷密封流体的显示装置的方法
US8735791B2 (en) 2010-07-13 2014-05-27 Svv Technology Innovations, Inc. Light harvesting system employing microstructures for efficient light trapping
US20120274874A1 (en) * 2011-04-29 2012-11-01 Shenzhen China Star Optoelectronics Technology Co. Ltd. Backlight Module and Liquid Crystal Display Device
US9097826B2 (en) 2011-10-08 2015-08-04 Svv Technology Innovations, Inc. Collimating illumination systems employing a waveguide
SG193229A1 (en) * 2012-03-05 2013-10-30 Skg Co Ltd Light guide plate, display unit including the light guide plate, traffic sign including the display unit, and method of manufacturing the light guide plate and method of manufacturing the traffic sign
JP5556836B2 (ja) * 2012-03-15 2014-07-23 オムロン株式会社 面光源装置
WO2014020901A1 (ja) * 2012-08-01 2014-02-06 パナソニック株式会社 光学シート、発光装置、光学シートの製造方法及び発光装置の製造方法
KR20140021748A (ko) * 2012-08-09 2014-02-20 삼성디스플레이 주식회사 표시 장치용 조명 장치 및 이를 포함하는 표시 장치
US9134552B2 (en) 2013-03-13 2015-09-15 Pixtronix, Inc. Display apparatus with narrow gap electrostatic actuators
TWI490572B (zh) * 2013-05-06 2015-07-01 Skg Co Ltd 導光板及其製造方法、顯示裝置、道路標識及其製造方法
CN104714263A (zh) 2013-12-16 2015-06-17 松下知识产权经营株式会社 光学薄片以及发光装置
CN104125451B (zh) * 2014-07-08 2015-12-30 四川大学 一种高亮度的集成成像3d显示装置
JP2016171423A (ja) * 2015-03-12 2016-09-23 キヤノン株式会社 画像読取装置
EP3379321B1 (en) * 2015-11-30 2020-11-04 Panasonic Intellectual Property Management Co., Ltd. Image display device and headup display equipped with image display device
EP3446030B1 (en) * 2016-04-22 2019-12-18 Signify Holding B.V. Pebble-plate like louvre
JP6636651B2 (ja) 2016-04-22 2020-01-29 シグニファイ ホールディング ビー ヴィＳｉｇｎｉｆｙ Ｈｏｌｄｉｎｇ Ｂ．Ｖ． 小石板状ルーバ
US10274661B1 (en) * 2016-07-28 2019-04-30 Rockwell Collins, Inc. Compact waveguide backlight system and method
JP6982816B2 (ja) * 2017-03-24 2021-12-17 パナソニックＩｐマネジメント株式会社 画像表示装置、虚像表示装置、移動体
DE102017214592A1 (de) * 2017-08-22 2019-02-28 Continental Automotive Gmbh Head-Up-Display
CN108333656B (zh) * 2018-01-18 2023-10-17 苏州三鑫时代新材料股份有限公司 一种双层热复合型光扩散板及其制备方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08129205A (ja) * 1994-11-01 1996-05-21 Asahi Optical Co Ltd 拡散板および拡散板用母型の作製方法
JP2002022913A (ja) * 2000-07-03 2002-01-23 Alps Electric Co Ltd 反射体および反射型液晶表示装置
US20020080308A1 (en) * 2000-12-21 2002-06-27 Nitto Denko Corporation Optical film and liquid-crystal display device
JP2003045213A (ja) * 2001-07-27 2003-02-14 Nissen Chemitec Corp 面型照明装置
US20030137824A1 (en) * 2002-01-23 2003-07-24 Masayuki Shinohara Surface light source device, diffusion plate and liquid crystal display device

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JPH08160203A (ja) * 1994-12-07 1996-06-21 Sekisui Chem Co Ltd 液晶表示装置用の画質改善フィルム
TW594218B (en) * 2000-07-03 2004-06-21 Alps Electric Co Ltd Reflector and reflective liquid crystal display device
TWI225916B (en) 2001-07-27 2005-01-01 Nissen Kagaku Kk Planar lighting device
JP3925232B2 (ja) 2002-02-15 2007-06-06 セイコーエプソン株式会社 反射体

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08129205A (ja) * 1994-11-01 1996-05-21 Asahi Optical Co Ltd 拡散板および拡散板用母型の作製方法
JP2002022913A (ja) * 2000-07-03 2002-01-23 Alps Electric Co Ltd 反射体および反射型液晶表示装置
US20020080308A1 (en) * 2000-12-21 2002-06-27 Nitto Denko Corporation Optical film and liquid-crystal display device
JP2003045213A (ja) * 2001-07-27 2003-02-14 Nissen Chemitec Corp 面型照明装置
US20030137824A1 (en) * 2002-01-23 2003-07-24 Masayuki Shinohara Surface light source device, diffusion plate and liquid crystal display device

Also Published As

Publication number Publication date
EP1757958A4 (en) 2009-05-06
JP4211689B2 (ja) 2009-01-21
TW200604649A (en) 2006-02-01
WO2005121844A1 (ja) 2005-12-22
CN1969203A (zh) 2007-05-23
US7614776B2 (en) 2009-11-10
EP1757958A1 (en) 2007-02-28
JP2005352400A (ja) 2005-12-22
US20070242475A1 (en) 2007-10-18
TWI327237B (en) 2010-07-11

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C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20210209

Address after: 2-3 industrial complex in central Pancheng, Fukushima Prefecture, Japan

Patentee after: Northeast Electronics Co.,Ltd.

Address before: Kyoto Japan

Patentee before: OMRON Corp.

TR01 Transfer of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20090128

CF01 Termination of patent right due to non-payment of annual fee