KR910018837A - 평면 광원 장치 - Google Patents

평면 광원 장치 Download PDF

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Publication number
KR910018837A
KR910018837A KR1019910006472A KR910006472A KR910018837A KR 910018837 A KR910018837 A KR 910018837A KR 1019910006472 A KR1019910006472 A KR 1019910006472A KR 910006472 A KR910006472 A KR 910006472A KR 910018837 A KR910018837 A KR 910018837A
Authority
KR
South Korea
Prior art keywords
light source
planar light
ground
display panel
reflecting plate
Prior art date
Application number
KR1019910006472A
Other languages
English (en)
Other versions
KR940006987B1 (ko
Inventor
노부유끼 다까하시
히사시 오야마
Original Assignee
쓰지 하루오
샤프 가부시끼가이샤
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
Priority to JP2-109,835 priority Critical
Priority to JP2109835A priority patent/JP2693849B2/ja
Priority to JP2-109835 priority
Application filed by 쓰지 하루오, 샤프 가부시끼가이샤 filed Critical 쓰지 하루오
Publication of KR910018837A publication Critical patent/KR910018837A/ko
Application granted granted Critical
Publication of KR940006987B1 publication Critical patent/KR940006987B1/ko

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Classifications

    • GPHYSICS
    • G02OPTICS
    • G02FDEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices
    • G02F1/133602Direct backlight
    • G02F1/133604Direct backlight with lamps
    • GPHYSICS
    • G02OPTICS
    • G02FDEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices
    • G02F1/133602Direct backlight
    • G02F1/133605Direct backlight including specially adapted reflectors

Abstract

내용 없음

Description

평면 광원 장치

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

제3도는 본 발명의 한 실시예의 평면광원장치의 측면도. 제4도는 제3도시의 평면광원장치의 평면도.

Claims (7)

  1. 표시판의 후방에 배치된 광원과ㅡ 해당 광원으로부터의 빛을 표시판측에 반사하기 위한 반사판과를 구비한 편연 광원장치에 있어서, 해당반사판은, 상기 광원으로부터 발생하는 노이즈가 외부에 영향을 주는 것을 방지하도록 도전성을 가지는 합성수지로 형성된 것을 특징으로 하는 평면광원장치.
  2. 제1항에 있어서, 상기 광원을 유지하는 기판을 포함하고, 해당 기판에 상기 반사판을 전기적으로 접속하여, 그라운드와의 접지를 잡는 것을 특징으로 하는 평면광원장치.
  3. 제1항 또는 제2항에 있어서, 상기 반사판은 광원을 밖으로 에워싸고, 아울러 표시판측을 개방하여 형성되는 것을 특징으로 하는 평면광원장치.
  4. 제1항∼제3항의 어느것인가 1항에 있어서, 상기 반사판의 반사면을 백색으로 하는 것을 특징으로 하는 평면광원장치.
  5. 제1항∼제4항의 어느것인가 1항에 있어서, 상기 광원의 표시판측에 투명도전성시트가 배설된 것을 특징으로 하는 평면광원장치.
  6. 제5항에 있어서, 상기 투명도전성시트를 상기 기판에 전기적으로 접속하여, 그라운드와의 접지를 잡는 것을 특징으로 하는 평면광원장치.
  7. 제5항 또는 6항에 있어서, 상기 투명도전성시트는, 투명필름표면에 ITO등의 금속 얇은 막을 증착하여 형성되는 것을 특징으로 하는 평면광원장치.
    ※ 참고사항 : 최초출원내용에 의하여 공개하는 것임.
KR1019910006472A 1990-04-24 1991-04-23 평면 광원 장치 KR940006987B1 (ko)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2-109,835 1990-04-24
JP2109835A JP2693849B2 (ja) 1990-04-24 1990-04-24 平面光源装置
JP2-109835 1990-04-24

Publications (2)

Publication Number Publication Date
KR910018837A true KR910018837A (ko) 1991-11-30
KR940006987B1 KR940006987B1 (ko) 1994-08-03

Family

ID=14520413

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910006472A KR940006987B1 (ko) 1990-04-24 1991-04-23 평면 광원 장치

Country Status (5)

Country Link
US (1) US5195822A (ko)
EP (1) EP0454435B1 (ko)
JP (1) JP2693849B2 (ko)
KR (1) KR940006987B1 (ko)
DE (1) DE69112481T2 (ko)

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KR100532871B1 (ko) * 1998-07-07 2006-04-06 삼성전자주식회사 엘씨디의 백라이트 장치

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Also Published As

Publication number Publication date
JP2693849B2 (ja) 1997-12-24
US5195822A (en) 1993-03-23
EP0454435A3 (en) 1992-04-29
EP0454435A2 (en) 1991-10-30
DE69112481D1 (de) 1995-10-05
DE69112481T2 (de) 1996-03-28
JPH046523A (en) 1992-01-10
EP0454435B1 (en) 1995-08-30
KR940006987B1 (ko) 1994-08-03

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