NL1036337A1 - Surface light source device and liquid crystal display. - Google Patents

Surface light source device and liquid crystal display.

Info

Publication number
NL1036337A1
NL1036337A1 NL1036337A NL1036337A NL1036337A1 NL 1036337 A1 NL1036337 A1 NL 1036337A1 NL 1036337 A NL1036337 A NL 1036337A NL 1036337 A NL1036337 A NL 1036337A NL 1036337 A1 NL1036337 A1 NL 1036337A1
Authority
NL
Netherlands
Prior art keywords
liquid crystal
light source
crystal display
source device
surface light
Prior art date
Application number
NL1036337A
Other languages
English (en)
Other versions
NL1036337C2 (en
Inventor
Gihwan Ahn
Akiyoshi Kanemitsu
Original Assignee
Sumitomo Chemical Co
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 Sumitomo Chemical Co filed Critical Sumitomo Chemical Co
Publication of NL1036337A1 publication Critical patent/NL1036337A1/nl
Application granted granted Critical
Publication of NL1036337C2 publication Critical patent/NL1036337C2/en

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0273—Diffusing elements; Afocal elements characterized by the use
    • G02B5/0278—Diffusing elements; Afocal elements characterized by the use used in transmission
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
    • G02B5/021—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
    • G02B5/0221—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures the surface having an irregular structure
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
    • G02B5/021—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
    • G02B5/0231—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures the surface having microprismatic or micropyramidal shape
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
    • G02B5/0236—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element
    • G02B5/0242—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element by means of dispersed particles
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/04—Prisms
    • G02B5/045—Prism arrays
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Planar Illumination Modules (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Liquid Crystal (AREA)
NL1036337A 2007-12-25 2008-12-19 Surface light source device and liquid crystal display. NL1036337C2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007331915A JP2009158135A (ja) 2007-12-25 2007-12-25 面光源装置及び液晶表示装置
JP2007331915 2007-12-25

Publications (2)

Publication Number Publication Date
NL1036337A1 true NL1036337A1 (nl) 2009-06-29
NL1036337C2 NL1036337C2 (en) 2010-06-22

Family

ID=40788375

Family Applications (1)

Application Number Title Priority Date Filing Date
NL1036337A NL1036337C2 (en) 2007-12-25 2008-12-19 Surface light source device and liquid crystal display.

Country Status (8)

Country Link
US (1) US20090161346A1 (nl)
JP (1) JP2009158135A (nl)
KR (1) KR20090069236A (nl)
CN (1) CN101469828A (nl)
CZ (1) CZ2008824A3 (nl)
NL (1) NL1036337C2 (nl)
SK (1) SK51142008A3 (nl)
TW (1) TW200951349A (nl)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104871043B (zh) * 2012-12-28 2017-09-26 旭硝子株式会社 光学元件、投影装置和光学元件的制造方法
KR20170071582A (ko) * 2014-10-20 2017-06-23 쓰리엠 이노베이티브 프로퍼티즈 캄파니 감소된 눈부심을 갖는 방-지향식 광 방향전환 필름
CN109270735B (zh) * 2018-10-25 2021-08-17 厦门天马微电子有限公司 一种背光模组及显示装置

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3006306B2 (ja) * 1992-09-16 2000-02-07 インターナショナル・ビジネス・マシーンズ・コーポレイション 光学的フイルム及び上記光学的フイルムを用いた液晶表示装置
WO1996027757A1 (en) * 1995-03-03 1996-09-12 Minnesota Mining And Manufacturing Company Light directing film having variable height structured surface and light directing article constructed therefrom
JP3548812B2 (ja) * 1995-08-11 2004-07-28 オムロン株式会社 面光源装置、当該装置に用いる面状光学素子及び当該装置を用いた画像表示装置
US5917664A (en) * 1996-02-05 1999-06-29 3M Innovative Properties Company Brightness enhancement film with soft cutoff
JP3769327B2 (ja) * 1996-07-23 2006-04-26 大日本印刷株式会社 プリズムレンズシート、バックライトシステム及び液晶表示装置
JPH11120810A (ja) * 1997-10-15 1999-04-30 Enplas Corp サイドライト型面光源装置
DE60024526D1 (de) * 1999-01-14 2006-01-12 Minnesota Mining & Mfg Lichtstreuender optischer folienmaterial
WO2006026743A1 (en) * 2004-08-31 2006-03-09 Fusion Optix, Inc. Enhanced light diffusing sheet
US20060226583A1 (en) * 2005-04-04 2006-10-12 Marushin Patrick H Light directing film
WO2007049618A1 (ja) * 2005-10-28 2007-05-03 Zeon Corporation 光拡散板及び直下型バックライト装置
JPWO2007055115A1 (ja) * 2005-11-11 2009-04-30 日本ゼオン株式会社 直下型バックライト装置
JP2008066014A (ja) * 2006-09-05 2008-03-21 Enplas Corp 導光板，面光源装置及び画像表示装置
JP2008146025A (ja) * 2006-11-15 2008-06-26 Sumitomo Chemical Co Ltd 光拡散板及び面光源装置並びに液晶表示装置

Also Published As

Publication number Publication date
CZ2008824A3 (cs) 2010-04-28
JP2009158135A (ja) 2009-07-16
NL1036337C2 (en) 2010-06-22
TW200951349A (en) 2009-12-16
KR20090069236A (ko) 2009-06-30
CN101469828A (zh) 2009-07-01
US20090161346A1 (en) 2009-06-25
SK51142008A3 (sk) 2010-08-09

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Effective date: 20120701