JPS6133079U - 液晶デイスプレイの照明装置 - Google Patents

液晶デイスプレイの照明装置

Info

Publication number
JPS6133079U
JPS6133079U JP1985101134U JP10113485U JPS6133079U JP S6133079 U JPS6133079 U JP S6133079U JP 1985101134 U JP1985101134 U JP 1985101134U JP 10113485 U JP10113485 U JP 10113485U JP S6133079 U JPS6133079 U JP S6133079U
Authority
JP
Japan
Prior art keywords
diffuser
main
liquid crystal
crystal display
light
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.)
Pending
Application number
JP1985101134U
Other languages
English (en)
Inventor
マイケル・ビー・ジユウエル
マール・エル・オルムステツド
Original Assignee
ヒューレット・パッカード・カンパニー
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 ヒューレット・パッカード・カンパニー filed Critical ヒューレット・パッカード・カンパニー
Publication of JPS6133079U publication Critical patent/JPS6133079U/ja
Pending legal-status Critical Current

Links

Classifications

    • 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
    • G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0036—2-D arrangement of prisms, protrusions, indentations or roughened surfaces
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Liquid Crystal (AREA)
  • Planar Illumination Modules (AREA)
  • Light Guides In General And Applications Therefor (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。

Description

【図面の簡単な説明】
図面は本考案の実施例に係り、第１図は液晶デイスプレ
イの照明装置の分解斜視図、第２Ａ図は第１実施例に係
る主拡散器の正面図、第２Ｂ図第１実施例に係る主拡散
器の上側面図、第３Ａ図は第２実施例に係る主拡散器の
正面図、第３Ａ図は第２実施例に係る主拡散器の上側面
図、第４図は第２Ｂ図及び第３Ｂ図の部分拡大図である
。

Claims (1)

  1. 【実用新案登録請求の範囲】 １ 拡散器と該拡散器に近接して配設された反射器と、
    前記拡散器の両端部付近に配置された光源とを備え、前
    記拡散器は液晶ディスプレイに対向する光放射面を有し
    、前記拡散器の前記端−部は、前記光源から前記拡散器
    に入る光を概略平行にするように形成されており、前記
    拡散器の背面は、該拡散器の長手力向の中央部のほうが
    前記両端部及び該両端部付近よりも多くの光を反射して
    該光を前記光放射面から放射するように形成されている
    ものであることを特徴とする液晶デイスレイの照明装置
    。 ２ 前記拡散器は、前記背面が粗面からなり、且つ前記
    中央部の厚さが、前記両端部の厚さよりも薄くなってい
    るものであることを特徴とする実用新案登録請求の範囲
    第１項に記載め液晶ディスプレイの照明装置。 ３ 前記拡散器は、前言己背面が粗面からなり、且つ該
    粗面の粗さが前記両端部から前記中央部に向って次第に
    粗くなっているものであることを−特徴とする実用新案
    登録請求の範囲第１項に記載の液晶ディスプレイの照明
    装置。 ４ 前記拡散器は、主拡散器と、該主拡散器から放射さ
    れる光をさらに拡散させ前記液晶ディスプレイの視角を
    より広くするため該主拡散器に近接して配設された副拡
    散器とからなり、前記主拡散器はその側縁部と前記端部
    と前記拡散器の内部で拡散又は反射された光を放射する
    ための前窓面とを備え、前記副拡散器は前記前窓面に対
    向する裏面と前記光放射面とを備えたものであることを
    特徴とする実用新案登録請求の範囲第１項に記載の液晶
    デイズプレイの照明装置。 需 前記反射器は、光を反射して前記主拡散器の前記前
    窓面から放射するため、前記主拡散器の前記背面に近接
    して配設された主反射器と、前記主拡散器の前記側縁部
    に近接して配設された副反射器とからなることを特徴と
    する実用新案登録請求の範囲第４項に記載の液晶ディス
    プレイの照明装置。
JP1985101134U 1984-07-03 1985-07-02 液晶デイスプレイの照明装置 Pending JPS6133079U (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US627591 1984-07-03
US06/627,591 US4616295A (en) 1984-07-03 1984-07-03 Apparatus for mounting and illuminating liquid crystal displays

Publications (1)

Publication Number Publication Date
JPS6133079U true JPS6133079U (ja) 1986-02-28

Family

ID=24515277

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985101134U Pending JPS6133079U (ja) 1984-07-03 1985-07-02 液晶デイスプレイの照明装置

Country Status (4)

Country Link
US (1) US4616295A (ja)
JP (1) JPS6133079U (ja)
DE (1) DE3522640A1 (ja)
GB (1) GB2161309B (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6438621U (ja) * 1987-09-02 1989-03-08

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3424239A1 (de) * 1984-06-30 1986-01-16 Mannesmann Kienzle GmbH, 7730 Villingen-Schwenningen Elektronische anzeigevorrichtung
US4945350A (en) * 1985-07-09 1990-07-31 Mitsubishi Denki Kabushiki Kaisha Liquid crystal display unit
JP2755941B2 (ja) * 1986-06-30 1998-05-25 三菱電機株式会社 面発光装置
EP0310889A3 (de) * 1987-10-09 1991-07-03 Andreas Peiker Anzeigeanordnung mit mehreren Lichtquellen
IE872698L (en) * 1987-10-09 1989-04-09 Stena Offshort Ltd An illuminated display aid
US5293262A (en) * 1988-03-15 1994-03-08 Mitsubishi Denki Kabushiki Kaisha Liquid crystal display device having heat-insulating members and driving circuit boards attached to rear edges of light box
US4994941A (en) * 1989-01-03 1991-02-19 Wen Hung Sheng Sign of character and figure
US5099343A (en) * 1989-05-25 1992-03-24 Hughes Aircraft Company Edge-illuminated liquid crystal display devices
US5128783A (en) * 1990-01-31 1992-07-07 Ois Optical Imaging Systems, Inc. Diffusing/collimating lens array for a liquid crystal display
JP2693849B2 (ja) * 1990-04-24 1997-12-24 シャープ株式会社 平面光源装置
US5161041A (en) * 1990-04-26 1992-11-03 Ois Optical Imaging Systems, Inc. Lighting assembly for a backlit electronic display including an integral image splitting and collimating means
US5262880A (en) * 1990-04-26 1993-11-16 Ois Optical Imaging Systems, Inc. Night vision goggle compatible liquid crystal display device
GB2246231A (en) * 1990-07-20 1992-01-22 Marconi Gec Ltd Liquid crystal displays.
US5098179A (en) * 1990-09-14 1992-03-24 Gilbarco, Inc. LCD assembly with easily installed filter
DE4135506C2 (de) * 1991-10-28 1994-06-16 Triumph Adler Ag Hintergrundbeleuchtete Anzeigevorrichtung und Verfahren zur Herstellung einer Streufolie für eine solche Anzeigevorrichtung
US5163748A (en) * 1992-02-14 1992-11-17 Messinger David L Illuminated clipboard
US5339179A (en) * 1992-10-01 1994-08-16 International Business Machines Corp. Edge-lit transflective non-emissive display with angled interface means on both sides of light conducting panel
US6111622A (en) * 1993-03-12 2000-08-29 Ois Optical Imaging Systems, Inc. Day/night backlight for a liquid crystal display
US5440197A (en) * 1993-10-05 1995-08-08 Tir Technologies, Inc. Backlighting apparatus for uniformly illuminating a display panel
CA2173336C (en) * 1993-10-05 2005-08-16 Philip L. Gleckman Light source for backlighting
US6313892B2 (en) 1993-10-05 2001-11-06 Teledyne Lighting And Display Products, Inc. Light source utilizing reflective cavity having sloped side surfaces
US5479275A (en) * 1993-12-03 1995-12-26 Ois Optical Imaging Systems, Inc. Backlit liquid crystal display with integral collimating, refracting, and reflecting means which refracts and collimates light from a first light source and reflects light from a second light source
US5530571A (en) * 1995-01-06 1996-06-25 Chen; Hung-Wen Two-purpose LCD device with scrollable reflecting screen and scrollable diffusing screen
GB2306741A (en) * 1995-10-24 1997-05-07 Sharp Kk Illuminator
US6473554B1 (en) 1996-12-12 2002-10-29 Teledyne Lighting And Display Products, Inc. Lighting apparatus having low profile
US6007209A (en) * 1997-03-19 1999-12-28 Teledyne Industries, Inc. Light source for backlighting
US6838810B1 (en) * 1997-03-21 2005-01-04 Chunghwa Picture Tubes, Ltd. Flat-panel display mounting system for portable computer
US6134092A (en) * 1998-04-08 2000-10-17 Teledyne Lighting And Display Products, Inc. Illumination device for non-emissive displays
US6181390B1 (en) * 1999-01-27 2001-01-30 Compal Electronics, Inc. Display holder with multiple side frames
GB2361087A (en) * 2000-04-05 2001-10-10 Chien Liang Chen Illumination Arrangements for a Liquid Crystal Display
UA74186C2 (uk) * 2000-05-19 2005-11-15 Лусайт Інтернешнл Юк Лімітед Освітлювальний пристрій з підсвічуванням крізь ребро
GB0031611D0 (en) 2000-12-21 2001-02-07 Ineos Acrylics Uk Ltd Edge lit illumination devices
DE10315773A1 (de) * 2003-04-07 2004-11-11 BSH Bosch und Siemens Hausgeräte GmbH Anzeigeeinheit für ein Haushaltsgerät
US20070103930A1 (en) * 2005-11-09 2007-05-10 Kun-Chui Lee Assembled device of a light module and a liquid crystal panel
TW200725082A (en) * 2005-12-16 2007-07-01 Innolux Display Corp Back light module and liquid crystal display device using the same
GB2443849A (en) * 2006-11-20 2008-05-21 Sharp Kk Backlight and display
TWM396978U (en) * 2010-07-22 2011-01-21 Chunghwa Picture Tubes Ltd Backlight module
JP5813775B2 (ja) * 2011-09-15 2015-11-17 シャープ株式会社 表示装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53104197A (en) * 1977-02-23 1978-09-11 Stanley Electric Co Ltd Miniature illuminator

Family Cites Families (11)

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US2297851A (en) * 1939-08-03 1942-10-06 Western Union Telegraph Co Illuminated display device
DE905448C (de) * 1951-12-21 1954-03-01 Grundig Max Anordnung zur Beleuchtung ebener Flaechen, insbesondere Skalen u. dgl.
GB952388A (en) * 1961-10-06 1964-03-18 Troughton & Young Lighting Ltd An illuminated display shelf
GB1130601A (en) * 1965-04-30 1968-10-16 Calorific Appliances Ltd Illuminated display apparatus
US3957351A (en) * 1974-09-16 1976-05-18 Rockwell International Corporation Backlighted display apparatus
US4059916A (en) * 1975-01-30 1977-11-29 Copal Company Limited Light diffusing device
US4183628A (en) * 1976-05-20 1980-01-15 Ebauches S.A. Electronic watch and display device for such watch
US4385343A (en) * 1978-12-26 1983-05-24 Plumly George W Edge lighted devices
US4486077A (en) * 1982-02-22 1984-12-04 Davtron, Inc. Digital meter with uniform illumination and less inadvertent setting
JPS58209777A (ja) * 1982-05-31 1983-12-06 日本精機株式会社 液晶表示装置
JPH05336199A (ja) * 1992-05-29 1993-12-17 Nakayo Telecommun Inc データ通信端末装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53104197A (en) * 1977-02-23 1978-09-11 Stanley Electric Co Ltd Miniature illuminator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6438621U (ja) * 1987-09-02 1989-03-08

Also Published As

Publication number Publication date
GB2161309A (en) 1986-01-08
GB2161309B (en) 1987-09-16
US4616295A (en) 1986-10-07
DE3522640A1 (de) 1986-01-09
GB8515955D0 (en) 1985-07-24

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