NL1030209A1 - Backlight unit and liquid crystal display device that uses these. - Google Patents

Backlight unit and liquid crystal display device that uses these.

Info

Publication number
NL1030209A1
NL1030209A1 NL1030209A NL1030209A NL1030209A1 NL 1030209 A1 NL1030209 A1 NL 1030209A1 NL 1030209 A NL1030209 A NL 1030209A NL 1030209 A NL1030209 A NL 1030209A NL 1030209 A1 NL1030209 A1 NL 1030209A1
Authority
NL
Netherlands
Prior art keywords
liquid crystal
display device
crystal display
backlight unit
backlight
Prior art date
Application number
NL1030209A
Other languages
Dutch (nl)
Other versions
NL1030209C2 (en
Inventor
Il-Yong Jung
Ju-Seong Hwang
Joon-Chan Park
Ji-Whan Noh
Original Assignee
Samsung Electronics 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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of NL1030209A1 publication Critical patent/NL1030209A1/en
Application granted granted Critical
Publication of NL1030209C2 publication Critical patent/NL1030209C2/en

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
    • 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
    • G02F1/133611—Direct backlight including means for improving the brightness uniformity
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0004—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed
    • G02B19/0028—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed refractive and reflective surfaces, e.g. non-imaging catadioptric systems
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0033—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use
    • G02B19/0047—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source
    • G02B19/0061—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source the light source comprising a LED
    • 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
    • G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
    • 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
    • G02F1/133613—Direct backlight characterized by the sequence of light sources
NL1030209A 2004-10-22 2005-10-17 BACKGROUND LIGHTING UNIT AND LIQUID-CRYSTAL SCREEN DEVICE WHICH USES THIS. NL1030209C2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR20040084960 2004-10-22
KR20040084960 2004-10-22
KR20040098697 2004-11-29
KR1020040098697A KR100677151B1 (en) 2004-10-22 2004-11-29 Back light unit and liquid display apparatus employing it

Publications (2)

Publication Number Publication Date
NL1030209A1 true NL1030209A1 (en) 2006-04-25
NL1030209C2 NL1030209C2 (en) 2011-03-29

Family

ID=36747824

Family Applications (1)

Application Number Title Priority Date Filing Date
NL1030209A NL1030209C2 (en) 2004-10-22 2005-10-17 BACKGROUND LIGHTING UNIT AND LIQUID-CRYSTAL SCREEN DEVICE WHICH USES THIS.

Country Status (3)

Country Link
KR (1) KR100677151B1 (en)
CN (1) CN100474064C (en)
NL (1) NL1030209C2 (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4877552B2 (en) * 2007-07-13 2012-02-15 Ｎｅｃディスプレイソリューションズ株式会社 Lighting device
KR101441984B1 (en) 2008-04-11 2014-09-19 삼성디스플레이 주식회사 Light source module, light source assembly and display device having the same
KR101023716B1 (en) 2008-08-27 2011-03-25 엘지디스플레이 주식회사 Back light unit and liquid crystal display device using the same
CN102661539B (en) * 2009-07-01 2014-11-05 深圳市绎立锐光科技开发有限公司 Backlight source and liquid crystal display device with same
CN101936483A (en) * 2009-07-01 2011-01-05 绎立锐光科技开发(深圳)有限公司 Backlight source and thinning method thereof as well as liquid crystal display device with backlight source
CN101936487B (en) * 2010-08-20 2013-06-05 深圳市华星光电技术有限公司 Backlight module
JP5842147B2 (en) * 2011-02-21 2016-01-13 パナソニックＩｐマネジメント株式会社 Light emitting device and lighting apparatus using the same
CN103912820B (en) * 2013-01-01 2018-03-06 深圳市光峰光电技术有限公司 Light-emitting device and its relevant display system
CN104409052B (en) * 2014-12-12 2017-01-04 京东方科技集团股份有限公司 3D display backlight module and control method, 3D display device
CN108107630A (en) * 2018-02-07 2018-06-01 深圳市国显科技有限公司 A kind of LED shields liquid crystal display die set comprehensively
CN109581750B (en) * 2019-02-01 2021-08-31 京东方科技集团股份有限公司 Backlight module and display device
KR102622373B1 (en) * 2019-07-30 2024-01-08 엘지디스플레이 주식회사 Color conversion sheet, backlight unit and display device
CN115220233A (en) * 2022-07-28 2022-10-21 浙江炽云科技有限公司 HUD backlight system, design method, head-up display system and vehicle

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100421900B1 (en) * 1997-04-09 2004-04-17 엘지.필립스 엘시디 주식회사 back light of liquid grystal display device
JP2000137223A (en) 1998-11-02 2000-05-16 Kyocera Corp Liquid crystal display device
JP3800402B2 (en) 2001-08-08 2006-07-26 株式会社日立製作所 Liquid crystal display
JP4907016B2 (en) 2001-08-09 2012-03-28 株式会社 日立ディスプレイズ Liquid crystal display
JP2004152496A (en) 2002-10-28 2004-05-27 Nissen Chemitec Corp Light guide plate

Also Published As

Publication number Publication date
NL1030209C2 (en) 2011-03-29
KR100677151B1 (en) 2007-02-02
CN100474064C (en) 2009-04-01
KR20060035540A (en) 2006-04-26
CN1763606A (en) 2006-04-26

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Legal Events

Date Code Title Description
AD1A A request for search or an international type search has been filed
MM Lapsed because of non-payment of the annual fee

Effective date: 20211101