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WO2013032274A3 - Lighting device and liquid crystal display device having the lighting device - Google Patents

Lighting device and liquid crystal display device having the lighting device Download PDF

Info

Publication number
WO2013032274A3
WO2013032274A3 PCT/KR2012/006993 KR2012006993W WO2013032274A3 WO 2013032274 A3 WO2013032274 A3 WO 2013032274A3 KR 2012006993 W KR2012006993 W KR 2012006993W WO 2013032274 A3 WO2013032274 A3 WO 2013032274A3
Authority
WO
WIPO (PCT)
Prior art keywords
lighting device
liquid crystal
crystal display
display device
lighting
Prior art date
Application number
PCT/KR2012/006993
Other languages
French (fr)
Other versions
WO2013032274A2 (en
Inventor
Sic Hur
Byoung Eon Lee
Sun Ho Yeo
Moo Ryong Park
Kwang Ho Park
Original Assignee
Lg Innotek 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
Priority claimed from KR1020120017287A external-priority patent/KR101341972B1/en
Application filed by Lg Innotek Co., Ltd. filed Critical Lg Innotek Co., Ltd.
Priority to US14/342,135 priority Critical patent/US9778506B2/en
Publication of WO2013032274A2 publication Critical patent/WO2013032274A2/en
Publication of WO2013032274A3 publication Critical patent/WO2013032274A3/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
    • 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
    • G02F1/133606—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
    • G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
    • G02F1/133607—Direct backlight including a specially adapted diffusing, scattering or light controlling members the light controlling member including light directing or refracting elements, e.g. prisms or lenses

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Planar Illumination Modules (AREA)

Abstract

Provided is a lighting device comprising: a plurality of top view type LED light sources which are formed on a base substrate; and a resin layer which embeds the plurality of LED light sources and is laminated on the base substrate.
PCT/KR2012/006993 2011-08-31 2012-08-31 Lighting device and liquid crystal display device having the lighting device WO2013032274A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US14/342,135 US9778506B2 (en) 2011-08-31 2012-08-31 Lighting device with enhanced optical properties and liquid crystal display device having the lighting device

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR10-2011-0087502 2011-08-31
KR20110087502 2011-08-31
KR1020120017287A KR101341972B1 (en) 2011-08-31 2012-02-21 Lamp device within resin layer for light-guide and LCD using the same
KR10-2012-0017287 2012-02-21

Publications (2)

Publication Number Publication Date
WO2013032274A2 WO2013032274A2 (en) 2013-03-07
WO2013032274A3 true WO2013032274A3 (en) 2013-04-25

Family

ID=47757074

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2012/006993 WO2013032274A2 (en) 2011-08-31 2012-08-31 Lighting device and liquid crystal display device having the lighting device

Country Status (1)

Country Link
WO (1) WO2013032274A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111208670A (en) 2018-11-22 2020-05-29 瑞仪(广州)光电子器件有限公司 Light-emitting mechanism, backlight module and display device thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006236771A (en) * 2005-02-24 2006-09-07 Sony Corp Backlight device and liquid crystal display device
JP2006236701A (en) * 2005-02-23 2006-09-07 Sony Corp Backlight device and liquid crystal display
JP2007155791A (en) * 2005-11-30 2007-06-21 Fujifilm Corp Surface light source device
KR20110045636A (en) * 2009-10-27 2011-05-04 엘지전자 주식회사 Backlight unit and display device using same

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006236701A (en) * 2005-02-23 2006-09-07 Sony Corp Backlight device and liquid crystal display
JP2006236771A (en) * 2005-02-24 2006-09-07 Sony Corp Backlight device and liquid crystal display device
JP2007155791A (en) * 2005-11-30 2007-06-21 Fujifilm Corp Surface light source device
KR20110045636A (en) * 2009-10-27 2011-05-04 엘지전자 주식회사 Backlight unit and display device using same

Also Published As

Publication number Publication date
WO2013032274A2 (en) 2013-03-07

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