DE69521326T2 - Beleuchtungssystem mit einer anordnung von mehrseitigen mikroprismen - Google Patents

Beleuchtungssystem mit einer anordnung von mehrseitigen mikroprismen

Info

Publication number
DE69521326T2
DE69521326T2 DE69521326T DE69521326T DE69521326T2 DE 69521326 T2 DE69521326 T2 DE 69521326T2 DE 69521326 T DE69521326 T DE 69521326T DE 69521326 T DE69521326 T DE 69521326T DE 69521326 T2 DE69521326 T2 DE 69521326T2
Authority
DE
Germany
Prior art keywords
light
microprisms
transmitting means
side walls
microlenses
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
DE69521326T
Other languages
German (de)
English (en)
Other versions
DE69521326D1 (de
Inventor
Wayne Beeson
Janpu Hou
Moore Zimmerman
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.)
Honeywell International Inc
Original Assignee
Honeywell International Inc
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 Honeywell International Inc filed Critical Honeywell International Inc
Publication of DE69521326D1 publication Critical patent/DE69521326D1/de
Application granted granted Critical
Publication of DE69521326T2 publication Critical patent/DE69521326T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light 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
    • G02B6/0033Means for improving the coupling-out of light from the light guide
    • G02B6/005Means 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
    • G02B6/0053Prismatic sheet or layer; Brightness enhancement element, sheet or layer
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00Refractors for light sources
    • F21V5/02Refractors for light sources of prismatic shape

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Planar Illumination Modules (AREA)
DE69521326T 1994-10-11 1995-10-10 Beleuchtungssystem mit einer anordnung von mehrseitigen mikroprismen Expired - Lifetime DE69521326T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US32136894A 1994-10-11 1994-10-11
PCT/US1995/014272 WO1996011358A1 (en) 1994-10-11 1995-10-10 Illumination system employing an array of multi-faceted microprisms

Publications (2)

Publication Number Publication Date
DE69521326D1 DE69521326D1 (de) 2001-07-19
DE69521326T2 true DE69521326T2 (de) 2002-05-29

Family

ID=23250324

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69521326T Expired - Lifetime DE69521326T2 (de) 1994-10-11 1995-10-10 Beleuchtungssystem mit einer anordnung von mehrseitigen mikroprismen

Country Status (7)

Country Link
EP (1) EP0787271B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JP3532212B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
KR (1) KR100437247B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AU (1) AU4199696A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE69521326T2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
TW (1) TW278142B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
WO (1) WO1996011358A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4111363B2 (ja) 1998-12-10 2008-07-02 株式会社エンプラス 導光板、サイドライト型面光源装置及び液晶表示装置
JP2001051272A (ja) 1999-08-11 2001-02-23 Semiconductor Energy Lab Co Ltd フロントライト及び電子機器
TW516164B (en) 2000-04-21 2003-01-01 Semiconductor Energy Lab Self-light emitting device and electrical appliance using the same
EP1348994B1 (en) 2000-12-13 2008-05-21 Mitsubishi Rayon Co., Ltd. Light source device
JP4606135B2 (ja) * 2004-11-19 2011-01-05 アルプス電気株式会社 液晶表示装置
US7452120B2 (en) * 2006-03-24 2008-11-18 Rohm And Haas Denmark Finance A/S Illumination apparatus and film
JP4274239B2 (ja) 2006-12-27 2009-06-03 ソニー株式会社 面状光源装置、表示装置及び面状照明方法
JP5088417B2 (ja) 2008-12-16 2012-12-05 オムロン株式会社 面光源装置
US8905610B2 (en) 2009-01-26 2014-12-09 Flex Lighting Ii, Llc Light emitting device comprising a lightguide film
US9651729B2 (en) 2010-04-16 2017-05-16 Flex Lighting Ii, Llc Reflective display comprising a frontlight with extraction features and a light redirecting optical element
US11009646B2 (en) 2013-03-12 2021-05-18 Azumo, Inc. Film-based lightguide with interior light directing edges in a light mixing region
CA3064724C (en) * 2017-06-21 2023-02-28 Leia Inc. Microprism multibeam element backlight and multiview display using same
KR102313983B1 (ko) * 2017-07-27 2021-10-18 엘지이노텍 주식회사 광 제어 부재 및 이를 포함하는 디스플레이 장치
WO2020047340A1 (en) 2018-08-30 2020-03-05 Flex Lighting Ii, Llc Film-based frontlight with angularly varying diffusion film
EP3894917A4 (en) 2018-12-11 2022-07-13 Azumo, Inc. FRONT ILLUMINATED LIGHT GUIDE WITH DIFFUSE REFLECTIVE NON-STICK COATING
WO2020142731A1 (en) * 2019-01-03 2020-07-09 Flex Lighting Ii, Llc Reflective display comprising a lightguide and light turning film creating multiple illumination peaks
CN113678036B (zh) 2019-01-09 2024-02-02 阿祖莫公司 包括以不同的折叠角折叠的耦合光导的反射型显示器
CN110161758B (zh) * 2019-06-24 2022-04-05 京东方科技集团股份有限公司 光转换结构、背光模组及虚拟现实显示装置
WO2021022307A1 (en) 2019-08-01 2021-02-04 Flex Lighting Ii, Llc Lightguide with a light input edge between lateral edges of a folded strip
JP7539475B2 (ja) * 2020-01-20 2024-08-23 レイア、インコーポレイテッド マイクロスリット散乱素子ベースのバックライト、マルチビューディスプレイ、及び光除外ゾーンを提供する方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5347822A (en) * 1976-08-13 1978-04-28 Izon Corp Photoconductive device
DE3406191A1 (de) * 1984-02-21 1985-09-26 Schott Glaswerke, 6500 Mainz Anordnung zur ausleuchtung von optischen oder optoelektronischen strukturen
CA1316159C (en) * 1987-05-08 1993-04-13 Sanford Cobb, Jr. High aspect ratio light fixture and film for use therein
US5040878A (en) * 1990-01-26 1991-08-20 Dimension Technologies, Inc. Illumination for transmissive displays
US5396350A (en) * 1993-11-05 1995-03-07 Alliedsignal Inc. Backlighting apparatus employing an array of microprisms

Also Published As

Publication number Publication date
EP0787271B1 (en) 2001-06-13
DE69521326D1 (de) 2001-07-19
WO1996011358A1 (en) 1996-04-18
EP0787271A1 (en) 1997-08-06
JP3532212B2 (ja) 2004-05-31
AU4199696A (en) 1996-05-02
KR100437247B1 (ko) 2004-09-08
KR970706468A (ko) 1997-11-03
JPH10507306A (ja) 1998-07-14
TW278142B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1996-06-11

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