KR101824039B1 - 디스플레이 장치 - Google Patents

디스플레이 장치 Download PDF

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Publication number
KR101824039B1
KR101824039B1 KR1020110075995A KR20110075995A KR101824039B1 KR 101824039 B1 KR101824039 B1 KR 101824039B1 KR 1020110075995 A KR1020110075995 A KR 1020110075995A KR 20110075995 A KR20110075995 A KR 20110075995A KR 101824039 B1 KR101824039 B1 KR 101824039B1
Authority
KR
South Korea
Prior art keywords
reflector
region
plane
light source
source module
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
KR1020110075995A
Other languages
English (en)
Korean (ko)
Other versions
KR20130014005A (ko
Inventor
고세진
이지인
Original Assignee
엘지이노텍 주식회사
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 엘지이노텍 주식회사 filed Critical 엘지이노텍 주식회사
Priority to KR1020110075995A priority Critical patent/KR101824039B1/ko
Priority to EP12153286.5A priority patent/EP2551705B1/en
Priority to TW101103024A priority patent/TWI546593B/zh
Priority to US13/363,052 priority patent/US8616754B2/en
Priority to EP14188882.6A priority patent/EP2840421B1/en
Priority to JP2012028751A priority patent/JP5944176B2/ja
Priority to CN201210050171.6A priority patent/CN102901000B/zh
Publication of KR20130014005A publication Critical patent/KR20130014005A/ko
Priority to US14/097,444 priority patent/US8814417B2/en
Priority to US14/335,697 priority patent/US9110333B2/en
Priority to JP2016103863A priority patent/JP6163232B2/ja
Application granted granted Critical
Publication of KR101824039B1 publication Critical patent/KR101824039B1/ko
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • F21V7/00—Reflectors for light sources
    • 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
    • F21V7/00—Reflectors for light sources
    • F21V7/0025—Combination of two or more reflectors for a single light source
    • F21V7/0033—Combination of two or more reflectors for a single light source with successive reflections from one reflector to the next or following
    • 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
    • F21V7/00—Reflectors for light sources
    • F21V7/04—Optical design
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
    • G02B6/0031—Reflecting element, sheet or layer
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
    • G02B6/0055—Reflecting element, sheet or layer
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0096—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the lights guides being of the hollow type
    • 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
    • G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Planar Illumination Modules (AREA)
  • Liquid Crystal (AREA)
KR1020110075995A 2011-07-29 2011-07-29 디스플레이 장치 Expired - Fee Related KR101824039B1 (ko)

Priority Applications (10)

Application Number Priority Date Filing Date Title
KR1020110075995A KR101824039B1 (ko) 2011-07-29 2011-07-29 디스플레이 장치
EP12153286.5A EP2551705B1 (en) 2011-07-29 2012-01-31 Backlight unit and display device using the same
TW101103024A TWI546593B (zh) 2011-07-29 2012-01-31 背光模組及使用該背光模組的顯示裝置
US13/363,052 US8616754B2 (en) 2011-07-29 2012-01-31 Backlight unit and display device using the same
EP14188882.6A EP2840421B1 (en) 2011-07-29 2012-01-31 Lighting system
JP2012028751A JP5944176B2 (ja) 2011-07-29 2012-02-13 バックライトユニット及びそれを用いたディスプレイ装置
CN201210050171.6A CN102901000B (zh) 2011-07-29 2012-02-29 背光单元和使用该背光单元的显示装置
US14/097,444 US8814417B2 (en) 2011-07-29 2013-12-05 Backlight unit and display device using the same
US14/335,697 US9110333B2 (en) 2011-07-29 2014-07-18 Backlight unit and display device using the same
JP2016103863A JP6163232B2 (ja) 2011-07-29 2016-05-25 バックライトユニット及びそれを用いたディスプレイ装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020110075995A KR101824039B1 (ko) 2011-07-29 2011-07-29 디스플레이 장치

Publications (2)

Publication Number Publication Date
KR20130014005A KR20130014005A (ko) 2013-02-06
KR101824039B1 true KR101824039B1 (ko) 2018-01-31

Family

ID=45655331

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020110075995A Expired - Fee Related KR101824039B1 (ko) 2011-07-29 2011-07-29 디스플레이 장치

Country Status (6)

Country Link
US (3) US8616754B2 (enExample)
EP (2) EP2551705B1 (enExample)
JP (2) JP5944176B2 (enExample)
KR (1) KR101824039B1 (enExample)
CN (1) CN102901000B (enExample)
TW (1) TWI546593B (enExample)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2297607B1 (en) * 2008-06-04 2014-04-23 3M Innovative Properties Company Hollow backlight with tilted light source
EP2320128B1 (en) * 2009-11-09 2015-02-25 LG Innotek Co., Ltd. Lighting device
JP5406225B2 (ja) 2010-12-06 2014-02-05 エルジー イノテック カンパニー リミテッド バックライトユニット
KR101824039B1 (ko) * 2011-07-29 2018-01-31 엘지이노텍 주식회사 디스플레이 장치
KR101943447B1 (ko) * 2012-02-23 2019-01-29 엘지이노텍 주식회사 조명 유닛 및 그를 이용한 디스플레이 장치
CA2809555C (en) 2012-05-07 2015-07-21 Abl Ip Holding Llc Led light fixture
CN104633533B (zh) * 2013-11-12 2017-03-01 纬创资通股份有限公司 背光模块
CN104676488A (zh) * 2013-11-28 2015-06-03 惠科电子（深圳）有限公司 一种漫反射腔及显示器
JP6216301B2 (ja) * 2014-09-19 2017-10-18 ミネベアミツミ株式会社 照明装置
US20170023208A1 (en) * 2015-07-22 2017-01-26 JST Performance, LLC Method and apparatus for indirect lighting
CN105278165B (zh) * 2015-11-27 2018-02-13 深圳市华星光电技术有限公司 背光模块及具有该背光模块的液晶显示器
KR102553499B1 (ko) * 2016-07-26 2023-07-10 삼성전자주식회사 디스플레이 장치
KR101804311B1 (ko) * 2017-03-23 2017-12-04 (주)미경테크 백라이트 유닛
TWI652532B (zh) * 2017-10-24 2019-03-01 友達光電股份有限公司 背光模組及包含其之顯示裝置
US12130007B2 (en) 2021-05-27 2024-10-29 Signify Holding B.V. Dual-reflector lighting device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006106212A (ja) * 2004-10-01 2006-04-20 Nippon Leiz Co Ltd バックライトユニット
JP2008277073A (ja) * 2007-04-27 2008-11-13 Citizen Electronics Co Ltd 発光ダイオード

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US5008658A (en) * 1986-12-09 1991-04-16 Zenith Electronics Corporation Domed light housing for back-lit LCD display
US6257737B1 (en) * 1999-05-20 2001-07-10 Philips Electronics Na Low-profile luminaire having a reflector for mixing light from a multi-color linear array of LEDs
EP1653149B1 (en) * 2003-06-16 2011-10-19 Mitsubishi Denki Kabushiki Kaisha Planar light source device and display device using the same
JP2005243267A (ja) * 2004-02-24 2005-09-08 Advanced Display Inc 面状光源装置及び液晶表示装置
JP4411186B2 (ja) * 2004-11-08 2010-02-10 Ｎｅｃ液晶テクノロジー株式会社 液晶表示装置
TWI258044B (en) * 2005-06-01 2006-07-11 Au Optronics Corp Direct-type backlight unit structure
US7267451B2 (en) * 2005-07-13 2007-09-11 Chi-Lin Technology Co., Ltd. Backlight module without light guiding plate and diffusing plate
US7473019B2 (en) * 2005-09-29 2009-01-06 Osram Opto Semiconductors Gmbh Lighting apparatus
TW200728851A (en) * 2006-01-20 2007-08-01 Hon Hai Prec Ind Co Ltd Backlight module
US8651692B2 (en) * 2009-06-18 2014-02-18 Intematix Corporation LED based lamp and light emitting signage
JP2011029146A (ja) * 2009-06-26 2011-02-10 Sony Corp バックライト、および液晶表示装置
US8235540B2 (en) * 2011-01-14 2012-08-07 Lg Innotek Co., Ltd. Backlight unit and display apparatus using the same
CN102192450B (zh) * 2011-05-31 2014-04-09 中航华东光电有限公司 一种背光模组及液晶显示装置
KR101824039B1 (ko) * 2011-07-29 2018-01-31 엘지이노텍 주식회사 디스플레이 장치
CN203115714U (zh) * 2013-02-28 2013-08-07 创维液晶器件(深圳)有限公司 背光模组及其液晶显示装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006106212A (ja) * 2004-10-01 2006-04-20 Nippon Leiz Co Ltd バックライトユニット
JP2008277073A (ja) * 2007-04-27 2008-11-13 Citizen Electronics Co Ltd 発光ダイオード

Also Published As

Publication number Publication date
EP2551705B1 (en) 2014-12-03
JP2013033708A (ja) 2013-02-14
TW201305681A (zh) 2013-02-01
JP5944176B2 (ja) 2016-07-05
US20140092585A1 (en) 2014-04-03
JP6163232B2 (ja) 2017-07-12
US20130027966A1 (en) 2013-01-31
TWI546593B (zh) 2016-08-21
EP2840421A1 (en) 2015-02-25
US20140328059A1 (en) 2014-11-06
US8616754B2 (en) 2013-12-31
US9110333B2 (en) 2015-08-18
CN102901000B (zh) 2018-02-02
EP2840421B1 (en) 2016-06-01
KR20130014005A (ko) 2013-02-06
JP2016149379A (ja) 2016-08-18
CN102901000A (zh) 2013-01-30
US8814417B2 (en) 2014-08-26
EP2551705A1 (en) 2013-01-30

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