FR2928022B1 - Dispositif d'affichage a cristaux liquides - Google Patents

Dispositif d'affichage a cristaux liquides

Info

Publication number
FR2928022B1
FR2928022B1 FR0806537A FR0806537A FR2928022B1 FR 2928022 B1 FR2928022 B1 FR 2928022B1 FR 0806537 A FR0806537 A FR 0806537A FR 0806537 A FR0806537 A FR 0806537A FR 2928022 B1 FR2928022 B1 FR 2928022B1
Authority
FR
France
Prior art keywords
liquid crystal
display device
crystal display
liquid
display
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.)
Expired - Fee Related
Application number
FR0806537A
Other languages
English (en)
Other versions
FR2928022A1 (fr
Inventor
Seungman Gu
Jaewoo Jo
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 Display 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 Display Co Ltd filed Critical LG Display Co Ltd
Publication of FR2928022A1 publication Critical patent/FR2928022A1/fr
Application granted granted Critical
Publication of FR2928022B1 publication Critical patent/FR2928022B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/26—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc
    • H05B41/28—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters
    • H05B41/282—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices
    • H05B41/2821—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices by means of a single-switch converter or a parallel push-pull converter in the final stage
    • H05B41/2822—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices by means of a single-switch converter or a parallel push-pull converter in the final stage using specially adapted components in the load circuit, e.g. feed-back transformers, piezoelectric transformers; using specially adapted load circuit configurations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/02—Arrangement of electric circuit elements in or on lighting devices the elements being transformers, impedances or power supply units, e.g. a transformer with a rectifier
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Mathematical Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Engineering & Computer Science (AREA)
  • Liquid Crystal (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)
  • Planar Illumination Modules (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
FR0806537A 2008-02-27 2008-11-21 Dispositif d'affichage a cristaux liquides Expired - Fee Related FR2928022B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR20080017996 2008-02-27
KR1020080039048A KR101267083B1 (ko) 2008-02-27 2008-04-25 액정표시장치

Publications (2)

Publication Number Publication Date
FR2928022A1 FR2928022A1 (fr) 2009-08-28
FR2928022B1 true FR2928022B1 (fr) 2012-01-20

Family

ID=40139739

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0806537A Expired - Fee Related FR2928022B1 (fr) 2008-02-27 2008-11-21 Dispositif d'affichage a cristaux liquides

Country Status (6)

Country Link
US (1) US8284342B2 (fr)
KR (1) KR101267083B1 (fr)
CN (1) CN101520573B (fr)
DE (1) DE102008059558B4 (fr)
FR (1) FR2928022B1 (fr)
GB (1) GB2457972B (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010012805A1 (de) 2010-03-23 2011-09-29 Solardynamik Gmbh Trägersysteme für flexible oder starre solare Energieumwandlungseinheiten
US9143668B2 (en) * 2010-10-29 2015-09-22 Apple Inc. Camera lens structures and display structures for electronic devices
DE102016121076B4 (de) * 2016-11-04 2021-02-18 Behr-Hella Thermocontrol Gmbh Bedienvorrichtung für eine Fahrzeugkomponente
CN106647021A (zh) * 2016-11-16 2017-05-10 广东长虹电子有限公司 直下式背光模组
CN110933346A (zh) * 2019-11-26 2020-03-27 广州长嘉电子有限公司 一种基于不间断电源的电视供电方法及系统

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5270910A (en) * 1992-02-20 1993-12-14 Kile Edwin N Neon light box
JP4312654B2 (ja) * 2004-05-07 2009-08-12 パナソニック株式会社 冷陰極管点灯装置
JP2006259225A (ja) * 2005-03-17 2006-09-28 Orion Denki Kk Ｌｃｄカバーを備える液晶表示装置
KR20070018413A (ko) * 2005-08-10 2007-02-14 삼성전자주식회사 백라이트 어셈블리 및 이를 갖는 액정표시장치
JP4552089B2 (ja) * 2005-09-09 2010-09-29 ミネベア株式会社 バックライト装置及び液晶表示装置
KR100709313B1 (ko) * 2005-11-04 2007-04-20 부전전자 주식회사 인버터용 트랜스포머 모듈
KR101300182B1 (ko) * 2006-02-07 2013-09-10 삼성디스플레이 주식회사 표시 장치
KR20070119872A (ko) * 2006-06-16 2007-12-21 삼성전자주식회사 백라이트 어셈블리 및 이를 포함한 액정표시장치

Also Published As

Publication number Publication date
GB0820626D0 (en) 2008-12-17
DE102008059558B4 (de) 2020-10-22
US8284342B2 (en) 2012-10-09
KR101267083B1 (ko) 2013-05-23
US20090213064A1 (en) 2009-08-27
CN101520573B (zh) 2011-06-22
DE102008059558A1 (de) 2009-10-01
KR20090092670A (ko) 2009-09-01
GB2457972B (en) 2010-07-14
GB2457972A (en) 2009-09-02
FR2928022A1 (fr) 2009-08-28
CN101520573A (zh) 2009-09-02

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20140731