ATE530944T1 - Anzeigevorrichtung mit hoher helligkeitsgleichförmigkeit an stellen, die der lichtquelle nahe sind - Google Patents

Anzeigevorrichtung mit hoher helligkeitsgleichförmigkeit an stellen, die der lichtquelle nahe sind

Info

Publication number
ATE530944T1
ATE530944T1 AT09157206T AT09157206T ATE530944T1 AT E530944 T1 ATE530944 T1 AT E530944T1 AT 09157206 T AT09157206 T AT 09157206T AT 09157206 T AT09157206 T AT 09157206T AT E530944 T1 ATE530944 T1 AT E530944T1
Authority
AT
Austria
Prior art keywords
display device
high brightness
light source
light sources
brightness uniformity
Prior art date
Application number
AT09157206T
Other languages
English (en)
Inventor
Jae Heon Noh
Jong Il Kim
Dong Seob Jang
Seong Ho Youn
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
Application granted granted Critical
Publication of ATE530944T1 publication Critical patent/ATE530944T1/de

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
    • G02F1/133606—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
    • 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
    • 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

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)
  • Liquid Crystal (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Optical Elements Other Than Lenses (AREA)
AT09157206T 2008-04-28 2009-04-02 Anzeigevorrichtung mit hoher helligkeitsgleichförmigkeit an stellen, die der lichtquelle nahe sind ATE530944T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020080039532A KR101474497B1 (ko) 2008-04-28 2008-04-28 디스플레이장치

Publications (1)

Publication Number Publication Date
ATE530944T1 true ATE530944T1 (de) 2011-11-15

Family

ID=40921942

Family Applications (1)

Application Number Title Priority Date Filing Date
AT09157206T ATE530944T1 (de) 2008-04-28 2009-04-02 Anzeigevorrichtung mit hoher helligkeitsgleichförmigkeit an stellen, die der lichtquelle nahe sind

Country Status (5)

Country Link
US (1) US8162501B2 (de)
EP (1) EP2116892B1 (de)
JP (1) JP2009266802A (de)
KR (1) KR101474497B1 (de)
AT (1) ATE530944T1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2515028B1 (de) * 2009-12-18 2017-05-03 Sharp Kabushiki Kaisha Beleuchtungsvorrichtung, anzeigevorrichtung und fernsehempfänger
US20120314138A1 (en) * 2010-02-26 2012-12-13 Sharp Kabushiki Kaisha Lighting device, display device and television receiver
CN113281019A (zh) * 2021-06-24 2021-08-20 青岛海科虚拟现实研究院 一种基于vr镜片的显示面板检测装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5552907A (en) * 1992-01-27 1996-09-03 Sekisui Chemical Co., Ltd. Light adjusting sheet having a sinusoidal surface and a non-optically flat surface and useable with an LCD
US6576887B2 (en) * 2001-08-15 2003-06-10 3M Innovative Properties Company Light guide for use with backlit display
JP2005003753A (ja) 2003-06-10 2005-01-06 Hayashi Telempu Co Ltd 液晶表示用照明装置
JP4438441B2 (ja) * 2004-02-16 2010-03-24 日本電気株式会社 照明装置及びそれを備える表示装置
TWI364600B (en) * 2004-04-12 2012-05-21 Kuraray Co An illumination device an image display device using the illumination device and a light diffusing board used by the devices
JP4499519B2 (ja) 2004-07-12 2010-07-07 大日本印刷株式会社 拡散シート、面光源装置、透過型表示装置
KR100741496B1 (ko) 2005-06-16 2007-07-20 삼성코닝 주식회사 백라이트 유닛
TWI295355B (en) * 2006-08-30 2008-04-01 Ind Tech Res Inst Optical diffusion module and method of manufacturing optical diffusion structure
CN101191847A (zh) * 2006-12-01 2008-06-04 鸿富锦精密工业（深圳）有限公司 光学板
CN101359122B (zh) * 2007-08-03 2011-05-04 清华大学 背光模组

Also Published As

Publication number Publication date
KR20090113682A (ko) 2009-11-02
US20090268432A1 (en) 2009-10-29
JP2009266802A (ja) 2009-11-12
EP2116892B1 (de) 2011-10-26
EP2116892A3 (de) 2010-07-21
US8162501B2 (en) 2012-04-24
EP2116892A2 (de) 2009-11-11
KR101474497B1 (ko) 2014-12-23

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