JPH0112293Y2 - - Google Patents

Info

Publication number
JPH0112293Y2
JPH0112293Y2 JP1982018448U JP1844882U JPH0112293Y2 JP H0112293 Y2 JPH0112293 Y2 JP H0112293Y2 JP 1982018448 U JP1982018448 U JP 1982018448U JP 1844882 U JP1844882 U JP 1844882U JP H0112293 Y2 JPH0112293 Y2 JP H0112293Y2
Authority
JP
Japan
Prior art keywords
light source
point
light
liquid crystal
rod
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
Application number
JP1982018448U
Other languages
English (en)
Japanese (ja)
Other versions
JPS58123478U (ja
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 filed Critical
Priority to JP1982018448U priority Critical patent/JPS58123478U/ja
Priority to US06/444,695 priority patent/US4425604A/en
Publication of JPS58123478U publication Critical patent/JPS58123478U/ja
Application granted granted Critical
Publication of JPH0112293Y2 publication Critical patent/JPH0112293Y2/ja
Granted legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/04—Optical design
    • F21V7/08—Optical design with elliptical curvature
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/04—Signs, boards or panels, illuminated from behind the insignia
    • G09F13/14—Arrangements of reflectors therein
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2111/00—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/04—Signs, boards or panels, illuminated from behind the insignia
    • G09F13/0418—Constructional details
    • G09F13/0422—Reflectors
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/04—Signs, boards or panels, illuminated from behind the insignia
    • G09F13/14—Arrangements of reflectors therein
    • G09F2013/145—Arrangements of reflectors therein curved reflectors

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
JP1982018448U 1982-02-15 1982-02-15 受光型表示装置の照明装置 Granted JPS58123478U (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1982018448U JPS58123478U (ja) 1982-02-15 1982-02-15 受光型表示装置の照明装置
US06/444,695 US4425604A (en) 1982-02-15 1982-11-26 Illuminating device for a display unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1982018448U JPS58123478U (ja) 1982-02-15 1982-02-15 受光型表示装置の照明装置

Publications (2)

Publication Number Publication Date
JPS58123478U JPS58123478U (ja) 1983-08-22
JPH0112293Y2 true JPH0112293Y2 (US06168655-20010102-C00055.png) 1989-04-11

Family

ID=11971901

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1982018448U Granted JPS58123478U (ja) 1982-02-15 1982-02-15 受光型表示装置の照明装置

Country Status (2)

Country Link
US (1) US4425604A (US06168655-20010102-C00055.png)
JP (1) JPS58123478U (US06168655-20010102-C00055.png)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4816694A (en) * 1985-08-15 1989-03-28 Sanders Associates, Inc. Radiation system
US4766524A (en) * 1986-02-07 1988-08-23 Hitachi, Ltd. Back light device for uniformly illuminating a liquid crystal display plate
US4992916A (en) * 1989-06-08 1991-02-12 General Electric Company Prismatic illuminator for flat panel display
US4994947A (en) * 1989-11-20 1991-02-19 Ford Motor Company Reflector and lighting fixture comprising same
BE1004448A3 (fr) * 1990-06-14 1992-11-24 Ramis Michel Perfectionnement aux caissons lumineux.
US5174649B1 (en) * 1991-07-17 1998-04-14 Precision Solar Controls Inc Led lamp including refractive lens element
US5253151A (en) * 1991-09-30 1993-10-12 Rockwell International Corporation Luminaire for use in backlighting a liquid crystal display matrix
FR2683051B1 (fr) * 1991-10-25 1993-12-24 Armines Reflecteur pour source de rayonnement a angle de rayonnement lateral maximal controle.
EP0617394A1 (en) * 1993-03-22 1994-09-28 Thomas A. Schutz Company Modular illuminated advertising display
US5471327A (en) * 1993-05-14 1995-11-28 Kaiser Optical Systems, Inc. Holographic diffuser for back-lit display
FR2710439B1 (fr) * 1993-09-21 1995-11-24 Sextant Avionique Module d'éclairage pour instruments à matrice à cristaux liquides.
US5526237A (en) * 1993-12-10 1996-06-11 General Electric Company Lighting system for increasing brightness to a light guide
US5479328A (en) * 1994-01-05 1995-12-26 Interstate Electronics Corporation High-brightness, high-efficacy backlight
US5567042A (en) * 1994-05-27 1996-10-22 Allen-Bradley Company, Inc. Reflector for flat panel display backlight unit
DE4429972C1 (de) * 1994-08-24 1995-12-14 Lemfoerder Metallwaren Ag Nachtbeleuchtung für eine Getriebeschaltung eines Kraftfahrzeuges mit Getriebeautomatik
US5539623A (en) * 1994-10-12 1996-07-23 General Signal Corporation Lighting device used in an exit sign
US5921666A (en) * 1997-03-04 1999-07-13 Thomas Lighting Ellipsoidal slot light
US6021152A (en) * 1997-07-11 2000-02-01 Asm America, Inc. Reflective surface for CVD reactor walls
US6278382B1 (en) * 1998-11-06 2001-08-21 Demarco Ralph Anthony Recognition/anti-collision light for aircraft
US6254257B1 (en) 1998-11-16 2001-07-03 Progress Lighting Recessed light fixture and reflector
JP2001283614A (ja) * 2000-03-31 2001-10-12 Stanley Electric Co Ltd 光導管、光導管装置および該光導管、光導管装置を具備する車両用灯具
JP4166512B2 (ja) * 2001-09-04 2008-10-15 株式会社デンソー 車両用計器
TWI232335B (en) * 2001-11-19 2005-05-11 Chi Mei Optoelectronics Corp Multi-angle reflection plate for direct type backlight module
US6899445B2 (en) * 2002-08-07 2005-05-31 Hubbell Incorporated Attachment for a reflector in a light assembly
US20040125586A1 (en) * 2002-12-27 2004-07-01 Yi-Chun Ho Back light unit
US7168827B2 (en) * 2003-07-09 2007-01-30 Code 3, Inc. Side emitter beacon
TW200504423A (en) * 2003-07-17 2005-02-01 Ind Tech Res Inst Apparatus for improving uniformity used in backlight module
KR101075593B1 (ko) * 2004-08-27 2011-10-20 삼성전자주식회사 백라이트 어셈블리 및 이를 갖는 액정표시장치
KR100665005B1 (ko) * 2004-12-30 2007-01-09 삼성전기주식회사 발광다이오드를 이용한 백라이트 장치
CN101533183B (zh) * 2008-03-14 2011-02-02 北京京东方光电科技有限公司 背光模组和液晶显示装置
US8002446B1 (en) 2008-06-09 2011-08-23 Koninklijke Philips Electronics N.V. Virtual direct and indirect suspended lighting fixture
CN117091102A (zh) * 2023-08-29 2023-11-21 节律照明科技(中山)有限公司 一种近距离偏光均匀照明系统及灯具

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51126795A (en) * 1975-04-25 1976-11-05 Seiko Epson Corp Liquid crystal display unit

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51126795A (en) * 1975-04-25 1976-11-05 Seiko Epson Corp Liquid crystal display unit

Also Published As

Publication number Publication date
JPS58123478U (ja) 1983-08-22
US4425604A (en) 1984-01-10

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