JP4211689B2 - 拡散板及び面光源装置 - Google Patents

拡散板及び面光源装置 Download PDF

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Publication number
JP4211689B2
JP4211689B2 JP2004175773A JP2004175773A JP4211689B2 JP 4211689 B2 JP4211689 B2 JP 4211689B2 JP 2004175773 A JP2004175773 A JP 2004175773A JP 2004175773 A JP2004175773 A JP 2004175773A JP 4211689 B2 JP4211689 B2 JP 4211689B2
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JP
Japan
Prior art keywords
pattern
light
uneven
shape
convex
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 - Lifetime
Application number
JP2004175773A
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English (en)
Japanese (ja)
Other versions
JP2005352400A5 (cg-RX-API-DMAC10.html
JP2005352400A (ja
Inventor
哲也 簑部
正幸 篠原
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Omron Corp
Original Assignee
Omron Corp
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 to JP2004175773A priority Critical patent/JP4211689B2/ja
Application filed by Omron Corp filed Critical Omron Corp
Priority to US11/629,269 priority patent/US7614776B2/en
Priority to PCT/JP2005/010700 priority patent/WO2005121844A1/ja
Priority to CNB200580019555XA priority patent/CN100456054C/zh
Priority to EP05749059A priority patent/EP1757958A4/en
Priority to TW094119444A priority patent/TWI327237B/zh
Publication of JP2005352400A publication Critical patent/JP2005352400A/ja
Publication of JP2005352400A5 publication Critical patent/JP2005352400A5/ja
Application granted granted Critical
Publication of JP4211689B2 publication Critical patent/JP4211689B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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

Landscapes

  • 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)
JP2004175773A 2004-06-14 2004-06-14 拡散板及び面光源装置 Expired - Lifetime JP4211689B2 (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP2004175773A JP4211689B2 (ja) 2004-06-14 2004-06-14 拡散板及び面光源装置
PCT/JP2005/010700 WO2005121844A1 (ja) 2004-06-14 2005-06-10 拡散板及び面光源装置
CNB200580019555XA CN100456054C (zh) 2004-06-14 2005-06-10 漫射板及面光源装置
EP05749059A EP1757958A4 (en) 2004-06-14 2005-06-10 DIFFUSION BOARD AND SURFACE LIGHT SOURCE DEVICE
US11/629,269 US7614776B2 (en) 2004-06-14 2005-06-10 Diffusing board and surface light source device
TW094119444A TWI327237B (en) 2004-06-14 2005-06-13 Diffusing board and surface light source device

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
JP2005352400A JP2005352400A (ja) 2005-12-22
JP2005352400A5 JP2005352400A5 (cg-RX-API-DMAC10.html) 2008-06-19
JP4211689B2 true JP4211689B2 (ja) 2009-01-21

Family

ID=35503214

Family Applications (1)

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

Country Status (6)

Country Link
US (1) US7614776B2 (cg-RX-API-DMAC10.html)
EP (1) EP1757958A4 (cg-RX-API-DMAC10.html)
JP (1) JP4211689B2 (cg-RX-API-DMAC10.html)
CN (1) CN100456054C (cg-RX-API-DMAC10.html)
TW (1) TWI327237B (cg-RX-API-DMAC10.html)
WO (1) WO2005121844A1 (cg-RX-API-DMAC10.html)

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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
US8519945B2 (en) 2006-01-06 2013-08-27 Pixtronix, Inc. Circuits for controlling display apparatus
US9158106B2 (en) 2005-02-23 2015-10-13 Pixtronix, Inc. Display methods and apparatus
US9082353B2 (en) 2010-01-05 2015-07-14 Pixtronix, Inc. Circuits for controlling display apparatus
US9229222B2 (en) 2005-02-23 2016-01-05 Pixtronix, Inc. Alignment methods in fluid-filled MEMS displays
US9261694B2 (en) 2005-02-23 2016-02-16 Pixtronix, Inc. Display apparatus and methods for manufacture thereof
US8310442B2 (en) 2005-02-23 2012-11-13 Pixtronix, Inc. Circuits for controlling display apparatus
US7999994B2 (en) 2005-02-23 2011-08-16 Pixtronix, Inc. Display apparatus and methods for manufacture thereof
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
WO2008051362A1 (en) 2006-10-20 2008-05-02 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
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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
EP2531881A2 (en) 2010-02-02 2012-12-12 Pixtronix Inc. Methods for manufacturing cold seal fluid-filled display apparatus
BR112012019383A2 (pt) 2010-02-02 2017-09-12 Pixtronix Inc Circuitos para controlar aparelho de exibição
US8735791B2 (en) 2010-07-13 2014-05-27 Svv Technology Innovations, Inc. Light harvesting system employing microstructures for efficient light trapping
CN102182964A (zh) * 2011-04-29 2011-09-14 深圳市华星光电技术有限公司 背光模组及液晶显示装置
US9097826B2 (en) 2011-10-08 2015-08-04 Svv Technology Innovations, Inc. Collimating illumination systems employing a waveguide
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JP5556836B2 (ja) * 2012-03-15 2014-07-23 オムロン株式会社 面光源装置
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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
US10649130B2 (en) 2016-04-22 2020-05-12 Signify Holding B.V. Pebble-plate like louvre with specific domain characteristics
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Also Published As

Publication number Publication date
TW200604649A (en) 2006-02-01
US20070242475A1 (en) 2007-10-18
WO2005121844A1 (ja) 2005-12-22
CN1969203A (zh) 2007-05-23
TWI327237B (en) 2010-07-11
EP1757958A4 (en) 2009-05-06
JP2005352400A (ja) 2005-12-22
EP1757958A1 (en) 2007-02-28
US7614776B2 (en) 2009-11-10
CN100456054C (zh) 2009-01-28

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