KR930005315U - 액정표시소자의 조명장치 - Google Patents

액정표시소자의 조명장치

Info

Publication number
KR930005315U
KR930005315U KR2019910013616U KR910013616U KR930005315U KR 930005315 U KR930005315 U KR 930005315U KR 2019910013616 U KR2019910013616 U KR 2019910013616U KR 910013616 U KR910013616 U KR 910013616U KR 930005315 U KR930005315 U KR 930005315U
Authority
KR
South Korea
Prior art keywords
liquid crystal
crystal display
lighting device
display elements
elements
Prior art date
Application number
KR2019910013616U
Other languages
English (en)
Other versions
KR940003349Y1 (ko
Inventor
박종호
이제승
Original Assignee
삼성전관 주식회사
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 삼성전관 주식회사 filed Critical 삼성전관 주식회사
Priority to KR2019910013616U priority Critical patent/KR940003349Y1/ko
Priority to JP026034U priority patent/JPH0743700U/ja
Priority to DE4211047A priority patent/DE4211047A1/de
Priority to GB9207784A priority patent/GB2259176B/en
Priority to CN92102671A priority patent/CN1049742C/zh
Priority to US07/889,197 priority patent/US5295048A/en
Publication of KR930005315U publication Critical patent/KR930005315U/ko
Application granted granted Critical
Publication of KR940003349Y1 publication Critical patent/KR940003349Y1/ko

Links

Classifications

    • 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
    • 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
    • G02B6/004—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
    • G02B6/0041—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles provided in the bulk of the light guide
    • 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
    • G02B6/0045—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 by shaping at least a portion of the light guide
    • G02B6/0046—Tapered light guide, e.g. wedge-shaped light guide
    • 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
    • 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
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0056—Means for improving the coupling-out of light from the light guide for producing polarisation effects, e.g. by a surface with polarizing properties or by an additional polarizing elements

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)
  • Liquid Crystal (AREA)
  • Planar Illumination Modules (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Optical Elements Other Than Lenses (AREA)
KR2019910013616U 1991-08-24 1991-08-24 액정표시소자의 조명장치 KR940003349Y1 (ko)

Priority Applications (6)

Application Number Priority Date Filing Date Title
KR2019910013616U KR940003349Y1 (ko) 1991-08-24 1991-08-24 액정표시소자의 조명장치
JP026034U JPH0743700U (ja) 1991-08-24 1992-03-27 液晶表示素子の背景光発生装置
DE4211047A DE4211047A1 (de) 1991-08-24 1992-04-02 Von hinten einfallendes licht erzeugende vorrichtung einer fluessigkristallanzeige
GB9207784A GB2259176B (en) 1991-08-24 1992-04-09 Backlight generating apparatus for a liquid crystal display device
CN92102671A CN1049742C (zh) 1991-08-24 1992-04-10 液晶显示器的后光发生装置
US07/889,197 US5295048A (en) 1991-08-24 1992-05-28 Backlight generating apparatus of a liquid crystal display device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019910013616U KR940003349Y1 (ko) 1991-08-24 1991-08-24 액정표시소자의 조명장치

Publications (2)

Publication Number Publication Date
KR930005315U true KR930005315U (ko) 1993-03-22
KR940003349Y1 KR940003349Y1 (ko) 1994-05-23

Family

ID=19318327

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019910013616U KR940003349Y1 (ko) 1991-08-24 1991-08-24 액정표시소자의 조명장치

Country Status (6)

Country Link
US (1) US5295048A (ko)
JP (1) JPH0743700U (ko)
KR (1) KR940003349Y1 (ko)
CN (1) CN1049742C (ko)
DE (1) DE4211047A1 (ko)
GB (1) GB2259176B (ko)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010066364A (ko) * 1999-12-31 2001-07-11 구본준, 론 위라하디락사 반사형 표시장치
KR100416198B1 (ko) * 2001-11-06 2004-01-31 주식회사 이너텍 Ｌｃｄ 백라이트용 후광장치

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US5528720A (en) 1992-03-23 1996-06-18 Minnesota Mining And Manufacturing Co. Tapered multilayer luminaire devices
US6002829A (en) * 1992-03-23 1999-12-14 Minnesota Mining And Manufacturing Company Luminaire device
KR0158247B1 (ko) * 1993-01-19 1999-03-20 미따라이 하지메 도광체와, 이 도광체를 갖는 조명 장치, 그리고 이 조명 장치를 갖는 화상 판독장치 및 정보 처리 장치
US6426807B1 (en) 1993-01-19 2002-07-30 Canon Kabushiki Kaisha Light guide, illuminating device having the light guide, and image reading device and information processing apparatus having the illuminating device
US5899552A (en) * 1993-11-11 1999-05-04 Enplas Corporation Surface light source device
US5521725A (en) * 1993-11-05 1996-05-28 Alliedsignal Inc. Illumination system employing an array of microprisms
US5428468A (en) * 1993-11-05 1995-06-27 Alliedsignal Inc. Illumination system employing an array of microprisms
US5396350A (en) * 1993-11-05 1995-03-07 Alliedsignal Inc. Backlighting apparatus employing an array of microprisms
US6129439A (en) * 1993-11-05 2000-10-10 Alliedsignal Inc. Illumination system employing an array of multi-faceted microprisms
US5555329A (en) * 1993-11-05 1996-09-10 Alliesignal Inc. Light directing optical structure
US5598281A (en) * 1993-11-19 1997-01-28 Alliedsignal Inc. Backlight assembly for improved illumination employing tapered optical elements
US5982540A (en) * 1994-03-16 1999-11-09 Enplas Corporation Surface light source device with polarization function
US6025895A (en) * 1994-12-01 2000-02-15 Seiko Epson Corporation Liquid crystal display with mutually oriented and dispersed birefringent polymer and liquid crystal and random oriented twist alignment
JP3291972B2 (ja) * 1995-05-16 2002-06-17 ソニー株式会社 液晶表示装置およびその製造方法
DE19536825A1 (de) * 1995-09-20 1997-03-27 Dsd Dynamisch Statische Displa Lichtsteuer-Anzeigevorrichtung für transflektiven Betrieb
EP1231501A3 (en) * 1995-12-05 2004-01-21 Matsushita Electric Industrial Co., Ltd. Liquid crystal display device
US5838403A (en) * 1996-02-14 1998-11-17 Physical Optics Corporation Liquid crystal display system with internally reflecting waveguide for backlighting and non-Lambertian diffusing
US6072551A (en) * 1996-02-14 2000-06-06 Physical Optics Corporation Backlight apparatus for illuminating a display with controlled light output characteristics
WO1998019105A1 (fr) * 1996-10-25 1998-05-07 Omron Corporation Source lumineuse de surface et affichage a cristaux liquides, telephone portable et terminal d'informations mettant en oeuvre cette source lumineuse de surface
DE19700472A1 (de) * 1997-01-09 1998-07-23 Bosch Gmbh Robert Beleuchtungseinheit
US5881201A (en) * 1997-03-11 1999-03-09 Hoechst Celanese Corporation Backlighting lightpipes for display applications
US6151008A (en) * 1997-08-01 2000-11-21 Compaq Computer Corporation Method and apparatus for controlling the brightness of a display screen
US6234656B1 (en) 1998-08-20 2001-05-22 Physical Optics Corporation Fiber optic luminaire
CZ298662B6 (cs) * 1998-08-24 2007-12-12 Zumtobel Staff Gmbh Svítidlo
US6618042B1 (en) 1999-10-28 2003-09-09 Gateway, Inc. Display brightness control method and apparatus for conserving battery power
KR20050022582A (ko) * 2003-08-27 2005-03-08 제일모직주식회사 광확산판 및 광확산판을 포함하는 액정 표시 장치
CN101836036A (zh) * 2007-08-09 2010-09-15 Nec照明株式会社 照明装置
DE102010018028A1 (de) 2010-04-23 2011-10-27 Osram Opto Semiconductors Gmbh Flächenlichtleiter und Leuchte
JP5670794B2 (ja) * 2011-03-28 2015-02-18 富士フイルム株式会社 面状照明装置
EP2787276A1 (de) * 2013-04-05 2014-10-08 Flextronics Automotive GmbH & Co. KG Lichtleiteranordnung mit zwei Lichtleiterelementen
US9995866B2 (en) * 2015-01-21 2018-06-12 Laxco Incorporated Uniform illumination lighting module

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5823631B2 (ja) * 1976-11-02 1983-05-16 株式会社エコ− 液晶表示時計に於ける光導拡散板
JPS6155684A (ja) * 1984-08-27 1986-03-20 三菱レイヨン株式会社 光拡散装置
US4717690A (en) * 1986-02-12 1988-01-05 Heraeus, Inc. Cermalloy Division Overglaze inks
JPH01131010A (ja) * 1987-11-12 1989-05-23 Sumitomo Metal Ind Ltd 高炉吹込み用微粉炭の製造方法
JP2538667B2 (ja) * 1989-04-13 1996-09-25 富士通株式会社 バックライト
GB2247536B (en) * 1990-08-28 1994-09-07 Brookes & Gatehouse A liquid crystal display
US5146354A (en) * 1991-05-07 1992-09-08 Compaq Computer Corporation LCD system with a backlight having a light source at a light pipe's edge and with the LCD enframed

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010066364A (ko) * 1999-12-31 2001-07-11 구본준, 론 위라하디락사 반사형 표시장치
KR100416198B1 (ko) * 2001-11-06 2004-01-31 주식회사 이너텍 Ｌｃｄ 백라이트용 후광장치

Also Published As

Publication number Publication date
GB2259176A (en) 1993-03-03
CN1070053A (zh) 1993-03-17
GB9207784D0 (en) 1992-05-27
US5295048A (en) 1994-03-15
KR940003349Y1 (ko) 1994-05-23
GB2259176B (en) 1995-06-07
CN1049742C (zh) 2000-02-23
JPH0743700U (ja) 1995-09-05
DE4211047A1 (de) 1993-02-25

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A201 Request for examination
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FPAY Annual fee payment

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