KR970066658A - 형광층을 구비한 액정 표시 소자용 순차 점멸 백라이트 장치 - Google Patents

형광층을 구비한 액정 표시 소자용 순차 점멸 백라이트 장치 Download PDF

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KR970066658A
KR970066658A KR1019960007561A KR19960007561A KR970066658A KR 970066658 A KR970066658 A KR 970066658A KR 1019960007561 A KR1019960007561 A KR 1019960007561A KR 19960007561 A KR19960007561 A KR 19960007561A KR 970066658 A KR970066658 A KR 970066658A
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zns
light
liquid crystal
crystal display
backlight device
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KR1019960007561A
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KR100200663B1 (ko
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도영락
유영철
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윤종용
삼성전관 주식회사
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Priority to KR1019960007561A priority Critical patent/KR100200663B1/ko
Priority to JP9032110A priority patent/JPH09258227A/ja
Priority to NL1005538A priority patent/NL1005538C2/nl
Priority to DE19711669A priority patent/DE19711669A1/de
Priority to GB9705790A priority patent/GB2311643A/en
Publication of KR970066658A publication Critical patent/KR970066658A/ko
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    • 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
    • G02F1/133621—Illuminating devices providing coloured light
    • 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
    • G02F1/133603—Direct backlight with LEDs
    • 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
    • G02F1/133617—Illumination with ultraviolet light; Luminescent elements or materials associated to the cell
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/3406—Control of illumination source
    • G09G3/3413—Details of control of colour illumination sources
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/3406—Control of illumination source
    • G09G3/342—Control of illumination source using several illumination sources separately controlled corresponding to different display panel areas, e.g. along one dimension such as lines
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/70—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr
    • H01J61/76—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr having a filling of permanent gas or gases only
    • H01J61/78—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr having a filling of permanent gas or gases only with cold cathode; with cathode heated only by discharge, e.g. high-tension lamp for advertising
    • 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
    • G02F2202/00—Materials and properties
    • G02F2202/04—Materials and properties dye
    • G02F2202/046—Materials and properties dye fluorescent
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2310/00—Command of the display device
    • G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
    • G09G2310/024—Scrolling of light from the illumination source over the display in combination with the scanning of the display screen
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
    • G09G3/3611—Control of matrices with row and column drivers

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mathematical Physics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Liquid Crystal (AREA)
  • Luminescent Compositions (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Planar Illumination Modules (AREA)

Abstract

칼라 발광을 하는 형광층을 구비한 액정 표시 소자용 백 라이트 장치가 개시되어 있다. 상기 장치는 액정 표시부에 상응하는 길이를 가지고 평행하게 배열된 복수개의 냉음극 형광튜브; 및 상기 냉음극 형광튜브의 단부와 결합되어 지지하는 지지 플레이트를 포함하고, 상기 냉음극 형광튜브는 순차적으로 점멸되어 상기 액정 표시부가 연속적인 화상을 형성하도록 하며, 상기 형광층을 발광시키기 위해 380-420nm의 파장에 해당하는 근자외선 또는 심청색광을 방출한다.

Description

형광층을 구비한 액정 표시 소자용 순차 점멸 백라이트 장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제2도는 본 발명에 따른 백 라이트 장치의 사시도이다. 제3도는 본 발명에 따른 백 라이트 장치의 다른 실시예를 도시한 단면도이다.

Claims (7)

  1. 칼라 발광을 하는 형광층을 구비한 액정 표시 소자용 백 라이트 장치에 있어서, 액정 표시부에 상응하는 길이를 가지고 평행하게 배열된 복수개의 냉음극 형광튜브; 및 상기 냉음극 형광튜브의 단부와 결합되어 지지하는 지지 플레이트를 포함하고, 상기 냉음극 형광튜브는 순차적으로 점멸되어 상기 액정 표시부가 연속적인 화상을 형성하도록 하며, 상기 형광층을 발광시키기 위해 380~420nm의 파장에 해당하는 근자외선 또는 심청색광을 방출하는 것을 특징으로 하는 순차 점멸 백 라이트 장치.
  2. 제1항에 있어서, 상기 형광층은 Sr10(PO4)6C12;Eu2+, (Sr0.9Ca0.1)10(PO4)6Cl2; Eu2-,Sr3MgSi2O8; Eu2+, Ba3MgSi2O8;Eu2-,ZnS;Ag, Cl ZnS;Ag,Al,ZnS;Ag 및 ZnS;Ag, Ga를 포함하는 청색 발광 형광체, SrAl2O4;Eu2+,SrGa2S4;Eu2+,Y3Al5O12;Ce3+,ZnS;Cu,ZnS;Cu,Al 및 ZnS;Cu,Au,Al를 포함하는 녹색 발광 형광체 및 6MgOㆍAs2O5;Mn,3.5MgOㆍ0.5Mgf2ㆍGeO2;Mn,SrY2S4;Eu,SrY2S4;Mn 및 Y2O3;Eu를 포함하는 적색 발광 형광체로 이루어진 군에서 선택된 적어도 하나로 구성되는 것을 특징으로 하는 백 라이트 장치.
  3. 제1항 또는 제2항에 있어서, 상기 냉음극 형광튜브는 Co, Ni 및 Fe 중에서 적어도 하나 이상으로 코팅된 것을 특징으로 하는 라이트 장치.
  4. 제3항에 있어서, 상기 냉음극 형광튜브는 SrP2O7;Eu,SrMgP2O7;Eu,Sr3(PO4)2:Eu,(Sr,Ba)Al2Si2O8;Eu,Y2Si2O7;Ce,ZnGa2O4;Li,Ti,YTaO4;Nb,CaWO4,BaFX;Eu(X는 할로겐),(Sr,Ca)Oㆍ2B2O3;Eu,SrAl12O14;Eu및 Y2SiO5;Ce로 이루어진 군에서 선택된 적어도 하나를 형광체로 하는 것을 특징으로 하는 표시소자.
  5. 칼라 발광을 하는 형광층을 구비한 액정 표시 소자용 백 라이트 장치에 있어서, 광원인 발광 다이오우드; 및 상기 발광 다이오우드가 일렬로 결합되어 하나의 광열을 구성하는 복수개의 평행한 지지 플레이트를 포함하고, 상기 지지 플레이트상의 다이오우드가 열에 따라 순차적으로 점멸되어 상기 액정 표시부가 연속적인 화상을 형성하도록 하며, 상기 발광 다이오드는 상기 형광층을 발광시키기 위해 380-420nm의 파장에 해당하는 근자외선 또는 심청색광을 방출하는 것을 특징으로 하는 순차점멸 백 라이트 장치.
  6. 제5항에 있어서, 상기 형광층은 Sr10(PO4)6C12;Eu2+, (Sr0.9Ca0.1)10(PO4)6Cl2; Eu2+, Sr3MgSi2O8; Eu2+, Ba3MgSi2O8;Eu2+, ZnS;Ag, Cl ZnS;Ag,Al, ZnS;Ag 및 ZnS;Ag, Ga를 포함하는 청색 발광 형광체, SrAl2O4;Eu2+, SrGa2S4;Eu2+, Y3Al5O12;Ce3+,ZnS; Cu,ZnS; Cu,Al 및 ZnS; Cu,Au,Al를 포함하는 녹색 발광 형광체 및 6MgOㆍAs2O5; Mn,3.5MgOㆍ0.5Mgf2ㆍGeO2; Mn,SrY2S4; Eu,SrY2S4; Mn 및 Y2O3; Eu를 포함하는 적색 발광 형광체로 이루어진 군에서 선택된 적어도 하나로 구성되는 것을 특징으로 하는 백 라이트 장치.
  7. 제5항 또는 제6항에 있어서, 상기 발광 다이오우드는 GaN형 반도체로 구성되는 것을 특징으로 하는 백 라이트 장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019960007561A 1996-03-20 1996-03-20 형광층을 구비한 액정 표시 소자용 순차 점멸 백라이트장치 KR100200663B1 (ko)

Priority Applications (5)

Application Number Priority Date Filing Date Title
KR1019960007561A KR100200663B1 (ko) 1996-03-20 1996-03-20 형광층을 구비한 액정 표시 소자용 순차 점멸 백라이트장치
JP9032110A JPH09258227A (ja) 1996-03-20 1997-02-17 液晶表示装置用のバックライト組立体
NL1005538A NL1005538C2 (nl) 1996-03-20 1997-03-14 Consecutief verlichtings-tegenlichtsamenstel voor een LCD met gebruik van een fluorescerende laag.
DE19711669A DE19711669A1 (de) 1996-03-20 1997-03-20 Fortlaufend belichtende Rücklichtanordnung für einen LCD mit einer fluoreszierenden Schicht
GB9705790A GB2311643A (en) 1996-03-20 1997-03-20 Backlight for a liquid crystal display

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Application Number Priority Date Filing Date Title
KR1019960007561A KR100200663B1 (ko) 1996-03-20 1996-03-20 형광층을 구비한 액정 표시 소자용 순차 점멸 백라이트장치

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KR970066658A true KR970066658A (ko) 1997-10-13
KR100200663B1 KR100200663B1 (ko) 1999-06-15

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JP (1) JPH09258227A (ko)
KR (1) KR100200663B1 (ko)
DE (1) DE19711669A1 (ko)
GB (1) GB2311643A (ko)
NL (1) NL1005538C2 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100434407B1 (ko) * 2001-12-17 2004-06-04 엘지.필립스 엘시디 주식회사 반투과형 필드순차구동 액정표시소자

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JP4050062B2 (ja) * 2001-04-02 2008-02-20 サムスン エレクトロニクス カンパニー リミテッド 光源装置、これを有するバックライトアセンブリ及び液晶表示装置
DE10137042A1 (de) * 2001-07-31 2003-02-20 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Planare Lichtquelle auf LED-Basis
JP4032696B2 (ja) 2001-10-23 2008-01-16 日本電気株式会社 液晶表示装置
CN1308753C (zh) * 2003-05-07 2007-04-04 瀚宇彩晶股份有限公司 一种液晶显示器及其光源装置
CN100380195C (zh) * 2003-05-15 2008-04-09 友达光电股份有限公司 液晶显示器模组
US7052152B2 (en) 2003-10-03 2006-05-30 Philips Lumileds Lighting Company, Llc LCD backlight using two-dimensional array LEDs
JP2006126423A (ja) * 2004-10-28 2006-05-18 Shimonishi Giken Kogyo Kk 蓄光表示装置
EP2365388B1 (en) 2004-11-15 2016-06-29 Sharp Kabushiki Kaisha Liquid crystal display device and electronic device having the same

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JPS63241525A (ja) * 1987-03-28 1988-10-06 Sony Corp 液晶表示装置
US5461397A (en) * 1992-10-08 1995-10-24 Panocorp Display Systems Display device with a light shutter front end unit and gas discharge back end unit
US5479187A (en) * 1994-02-23 1995-12-26 Chunghwa Picture Tubes, Ltd. Vertically scanned narrow light beam source for LCD display
KR100315106B1 (ko) * 1994-07-26 2002-02-19 김순택 표시소자

Cited By (1)

* Cited by examiner, † Cited by third party
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KR100434407B1 (ko) * 2001-12-17 2004-06-04 엘지.필립스 엘시디 주식회사 반투과형 필드순차구동 액정표시소자

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KR100200663B1 (ko) 1999-06-15
DE19711669A1 (de) 1997-11-06
NL1005538C2 (nl) 2001-07-05
JPH09258227A (ja) 1997-10-03
NL1005538A1 (nl) 1997-09-23
GB2311643A (en) 1997-10-01
GB9705790D0 (en) 1997-05-07

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