FR2875019A1 - Ensemble d'eclairage par l'arriere, son systeme de fixation de lampes et afficheur a cristaux liquides le comprenant - Google Patents

Ensemble d'eclairage par l'arriere, son systeme de fixation de lampes et afficheur a cristaux liquides le comprenant

Info

Publication number
FR2875019A1
FR2875019A1 FR0506569A FR0506569A FR2875019A1 FR 2875019 A1 FR2875019 A1 FR 2875019A1 FR 0506569 A FR0506569 A FR 0506569A FR 0506569 A FR0506569 A FR 0506569A FR 2875019 A1 FR2875019 A1 FR 2875019A1
Authority
FR
France
Prior art keywords
liquid crystal
crystal display
same
fastening system
light assembly
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.)
Granted
Application number
FR0506569A
Other languages
English (en)
Other versions
FR2875019B1 (fr
Inventor
Jong Dae Park
Cheong Hwa Jeong
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Display Co Ltd
Original Assignee
LG Philips LCD Co Ltd
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 LG Philips LCD Co Ltd filed Critical LG Philips LCD Co Ltd
Publication of FR2875019A1 publication Critical patent/FR2875019A1/fr
Application granted granted Critical
Publication of FR2875019B1 publication Critical patent/FR2875019B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J65/00—Lamps without any electrode inside the vessel; Lamps with at least one main electrode outside the vessel
    • H01J65/04—Lamps in which a gas filling is excited to luminesce by an external electromagnetic field or by external corpuscular radiation, e.g. for indicating plasma display panels
    • H01J65/042—Lamps in which a gas filling is excited to luminesce by an external electromagnetic field or by external corpuscular radiation, e.g. for indicating plasma display panels by an external electromagnetic field
    • H01J65/046—Lamps in which a gas filling is excited to luminesce by an external electromagnetic field or by external corpuscular radiation, e.g. for indicating plasma display panels by an external electromagnetic field the field being produced by using capacitive means around the vessel
    • 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
    • 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
    • G02F1/133608—Direct backlight including particular frames or supporting means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J63/00—Cathode-ray or electron-stream lamps
    • H01J63/02—Details, e.g. electrode, gas filling, shape of vessel
    • H01J63/04—Vessels provided with luminescent coatings; Selection of materials for the coatings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R33/00—Coupling devices specially adapted for supporting apparatus and having one part acting as a holder providing support and electrical connection via a counterpart which is structurally associated with the apparatus, e.g. lamp holders; Separate parts thereof
    • H01R33/02—Single-pole devices, e.g. holder for supporting one end of a tubular incandescent or neon lamp

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Optics & Photonics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Liquid Crystal (AREA)
  • Planar Illumination Modules (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)

Abstract

L'ensemble d'éclairage par l'arrière comprend : une pluralité de lampes écartées les unes des autres et présentant chacune des électrodes externes pliées aux deux côtés ; une plaque à électrodes (250) ayant une pièce de fixation d'électrode (250b) et une pièce de support (250a) supportant la pièce de fixation d'électrode, qui sont pliées pour être connectées à l'électrode externe pliée de la lampe ; des structures supérieure et inférieure (210b, 215b) servant à fixer la plaque à électrodes ; et une unité de diffusion (208) pour diffuser la lumière générée par la lampe.Application à un afficheur à cristaux liquides comprenant l'ensemble d'éclairage.
FR0506569A 2004-09-07 2005-06-28 Ensemble d'eclairage par l'arriere, son systeme de fixation de lampes et afficheur a cristaux liquides le comprenant Expired - Fee Related FR2875019B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020040071145A KR101068385B1 (ko) 2004-09-07 2004-09-07 액정표시장치 백라이트 어셈블리 및 전극판 구조

Publications (2)

Publication Number Publication Date
FR2875019A1 true FR2875019A1 (fr) 2006-03-10
FR2875019B1 FR2875019B1 (fr) 2007-06-08

Family

ID=36166339

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0506569A Expired - Fee Related FR2875019B1 (fr) 2004-09-07 2005-06-28 Ensemble d'eclairage par l'arriere, son systeme de fixation de lampes et afficheur a cristaux liquides le comprenant

Country Status (6)

Country Link
US (1) US7633578B2 (fr)
KR (1) KR101068385B1 (fr)
CN (1) CN1746742B (fr)
FR (1) FR2875019B1 (fr)
GB (1) GB2417819B (fr)
TW (1) TWI342439B (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101146475B1 (ko) * 2005-02-28 2012-05-21 엘지디스플레이 주식회사 백라이트 장치
US7307856B2 (en) * 2006-01-19 2007-12-11 International Business Machines Corporation Apparatus for tool-less removal of PCB assembly
KR101255545B1 (ko) * 2006-01-24 2013-04-16 삼성디스플레이 주식회사 램프 지지 유닛과 이를 포함하는 백라이트 어셈블리 및액정 표시 장치
JP4333781B2 (ja) * 2007-06-21 2009-09-16 船井電機株式会社 液晶モジュール
TWI398701B (zh) * 2007-07-03 2013-06-11 Au Optronics Corp 背光模組
KR101385205B1 (ko) * 2007-07-25 2014-04-14 삼성디스플레이 주식회사 백라이트 어셈블리의 구조를 개선한 액정표시장치
KR101220854B1 (ko) * 2007-08-21 2013-01-10 엘지디스플레이 주식회사 액정표시장치
KR101385226B1 (ko) * 2007-11-21 2014-04-15 삼성디스플레이 주식회사 램프 소켓, 이를 갖는 백라이트 어셈블리 및 표시장치
WO2009113205A1 (fr) * 2008-03-13 2009-09-17 シャープ株式会社 Connecteur de lampe, dispositif de rétroéclairage et dispositif d'affichage à cristaux liquides
TWM391041U (en) * 2009-12-09 2010-10-21 Great Top Technology Co Ltd Illuminating lamp and cold cathode lamp tube thereof
CN109946859B (zh) * 2019-04-09 2022-02-01 深圳市华星光电半导体显示技术有限公司 背光模组的检测方法和装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06313884A (ja) * 1993-04-30 1994-11-08 Nec Home Electron Ltd バックライトユニット
JPH1195038A (ja) * 1997-09-22 1999-04-09 Tama Electric Co Ltd バックライト
US20030112626A1 (en) * 2001-12-19 2003-06-19 Hyeong-Suk Yoo Cold cathode fluorescent lamp, container for receiving the same, and liquid crystal display device having the container
US20040156183A1 (en) * 2003-02-12 2004-08-12 Yong-Il Kim Backlight assembly and liquid crystal display apparatus having the same

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0882796A (ja) 1994-09-09 1996-03-26 Casio Comput Co Ltd バックライト付き表示装置
US6674250B2 (en) * 2000-04-15 2004-01-06 Guang-Sup Cho Backlight including external electrode fluorescent lamp and method for driving the same
KR100350014B1 (ko) 2000-04-15 2002-08-24 주식회사 광운디스플레이기술 외부전극 형광램프를 포함하는 백라이트 및 그 구동방법
JP2002311418A (ja) * 2001-04-17 2002-10-23 Nec Corp 液晶表示装置
JP2003021834A (ja) 2001-07-09 2003-01-24 Sharp Corp 表示装置、および表示装置に用いられる照明ユニット
KR100962637B1 (ko) * 2003-09-18 2010-06-11 삼성전자주식회사 백라이트 어셈블리 및 이를 갖는 액정표시장치

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06313884A (ja) * 1993-04-30 1994-11-08 Nec Home Electron Ltd バックライトユニット
JPH1195038A (ja) * 1997-09-22 1999-04-09 Tama Electric Co Ltd バックライト
US20030112626A1 (en) * 2001-12-19 2003-06-19 Hyeong-Suk Yoo Cold cathode fluorescent lamp, container for receiving the same, and liquid crystal display device having the container
US20040156183A1 (en) * 2003-02-12 2004-08-12 Yong-Il Kim Backlight assembly and liquid crystal display apparatus having the same

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 1995, no. 02 31 March 1995 (1995-03-31) *
PATENT ABSTRACTS OF JAPAN vol. 1999, no. 09 30 July 1999 (1999-07-30) *

Also Published As

Publication number Publication date
FR2875019B1 (fr) 2007-06-08
GB2417819B (en) 2007-02-14
TWI342439B (en) 2011-05-21
KR20060022349A (ko) 2006-03-10
KR101068385B1 (ko) 2011-09-28
GB2417819A (en) 2006-03-08
CN1746742A (zh) 2006-03-15
US7633578B2 (en) 2009-12-15
GB0513164D0 (en) 2005-08-03
US20060050202A1 (en) 2006-03-09
TW200609621A (en) 2006-03-16
CN1746742B (zh) 2011-03-30

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Effective date: 20120229