KR890006055A - 백라이트장치 - Google Patents

백라이트장치 Download PDF

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Publication number
KR890006055A
KR890006055A KR1019880009782A KR880009782A KR890006055A KR 890006055 A KR890006055 A KR 890006055A KR 1019880009782 A KR1019880009782 A KR 1019880009782A KR 880009782 A KR880009782 A KR 880009782A KR 890006055 A KR890006055 A KR 890006055A
Authority
KR
South Korea
Prior art keywords
fluorescent lamp
backlight device
diffuser plate
transmission control
visible light
Prior art date
Application number
KR1019880009782A
Other languages
English (en)
Other versions
KR910008094B1 (ko
Inventor
도시히코 사노
소이치로 오가와
Original Assignee
미타 가츠시게
가부시키가이샤 히타치세이사쿠쇼
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 미타 가츠시게, 가부시키가이샤 히타치세이사쿠쇼 filed Critical 미타 가츠시게
Publication of KR890006055A publication Critical patent/KR890006055A/ko
Application granted granted Critical
Publication of KR910008094B1 publication Critical patent/KR910008094B1/ko

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Classifications

    • 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
    • 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
    • G02F1/133602—Direct backlight
    • G02F1/133611—Direct backlight including means for improving the brightness uniformity
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
    • G01D11/28—Structurally-combined illuminating devices
    • 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
    • G02F1/133602—Direct backlight
    • G02F1/133604—Direct backlight with lamps
    • 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
    • G02F1/133602—Direct backlight
    • G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Optics & Photonics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Mathematical Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Liquid Crystal (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Planar Illumination Modules (AREA)

Abstract

내용 없음

Description

백라이트 장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본원 발명의 일실시예의 전체 개략도.
제2도는 제1도 상에서의 A-A' 단면도.
제3도는 본원 발명의 사용방법 설명도.

Claims (5)

  1. 가시광을 발생하는 형광램프와, 상기 발생된 가시광을 확산하기 위해 상기 형광램프의 관축과 평행으로 상기 형광램프의 한쪽에 설치된 확산판과, 상기 발생된 가시광을 상기 확산판의 방향으로 반사하기 위해 상기 형광램프의 다른쪽에 설치된 반사판과, 상기 확산판 위에서의 상기 발생된 가시광의 휘도를 대략 균일하게 하기 위해 상기 형광램프와 상기 확산판과의 사이에 상기 관축과 평행으로 설치되고, 상기 형광램프를 상기 확산판 위에 투영했을 때에 얻어지는 평판형상을 가지며, 또한 무지(solid color)인 광투과제어필름을 구비한 백라이트 장치.
  2. 제1항에 있어서, 상기 광투과제어필름이 상기 형광램프와 접해서 배설되어 있는 백라이트 장치.
  3. 제1항 또는 제2항에 있어서, 상기 광투과제어필름이 투명필름인 백라이트 장치.
  4. 제1항 또는 제2항에 있어서, 상기 광투과제어필름이 스모크필름인 백라이트 장치.
  5. 제1항 또는 제2항에 있어서, 상기 형광램프가 U자형 형광램프인 백라이트 장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019880009782A 1987-09-24 1988-08-01 백라이트장치 KR910008094B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP62-237139 1987-09-24
JP62237139A JPS6480985A (en) 1987-09-24 1987-09-24 Backlight device

Publications (2)

Publication Number Publication Date
KR890006055A true KR890006055A (ko) 1989-05-18
KR910008094B1 KR910008094B1 (ko) 1991-10-07

Family

ID=17010982

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019880009782A KR910008094B1 (ko) 1987-09-24 1988-08-01 백라이트장치

Country Status (3)

Country Link
US (1) US4916580A (ko)
JP (1) JPS6480985A (ko)
KR (1) KR910008094B1 (ko)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02284343A (ja) * 1989-03-22 1990-11-21 Toshiba Lighting & Technol Corp 照明装置
US5854662A (en) * 1992-06-01 1998-12-29 Casio Computer Co., Ltd. Driver for plane fluorescent panel and television receiver having liquid crystal display with backlight of the plane fluorescent panel
US5346207A (en) * 1993-07-12 1994-09-13 Calvin Heinen Illuminated backboard
US6992733B1 (en) * 1997-04-11 2006-01-31 Micron Technology, Inc. Backlighting system for an LCD
US6416201B1 (en) * 2000-03-31 2002-07-09 3M Innovative Properties Company Illuminated sign with lamp masks for uniform illumination
TW200424475A (en) * 2003-05-07 2004-11-16 Au Optronics Corp Back light module
GB0522388D0 (en) * 2005-11-02 2005-12-14 Ether Tec Internat Improved illuminated display unit
TWI307801B (en) * 2006-02-24 2009-03-21 Delta Electronics Inc Backlight module and illuminant device
EP2760280B1 (en) * 2011-09-26 2017-11-08 Future Farming ApS Heat lamp

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2275621A (en) * 1940-09-10 1942-03-10 Ibm Illuminated dial
US4222435A (en) * 1977-04-19 1980-09-16 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Air conditioning display system for vehicles
US4403216A (en) * 1980-12-11 1983-09-06 Nintendo Co., Ltd. Display
US4766524A (en) * 1986-02-07 1988-08-23 Hitachi, Ltd. Back light device for uniformly illuminating a liquid crystal display plate
JPH06134188A (ja) * 1992-10-27 1994-05-17 Mitsubishi Heavy Ind Ltd 衣料乾燥機

Also Published As

Publication number Publication date
JPS6480985A (en) 1989-03-27
KR910008094B1 (ko) 1991-10-07
US4916580A (en) 1990-04-10

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