TW200717136A - Light diffusion plate and direct backlight device - Google Patents

Light diffusion plate and direct backlight device

Info

Publication number
TW200717136A
TW200717136A TW095139506A TW95139506A TW200717136A TW 200717136 A TW200717136 A TW 200717136A TW 095139506 A TW095139506 A TW 095139506A TW 95139506 A TW95139506 A TW 95139506A TW 200717136 A TW200717136 A TW 200717136A
Authority
TW
Taiwan
Prior art keywords
light
diffusion plate
light diffusion
backlight device
direct backlight
Prior art date
Application number
TW095139506A
Other languages
English (en)
Chinese (zh)
Inventor
Kenji Kusano
Original Assignee
Zeon Corp
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 Zeon Corp filed Critical Zeon Corp
Publication of TW200717136A publication Critical patent/TW200717136A/zh

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
    • G02B5/0226—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 having particles on the surface
    • 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
    • G02B5/0268—Diffusing elements; Afocal elements characterized by the fabrication or manufacturing method
    • 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
TW095139506A 2005-10-28 2006-10-26 Light diffusion plate and direct backlight device TW200717136A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2005315153 2005-10-28
JP2006027529 2006-02-03

Publications (1)

Publication Number Publication Date
TW200717136A true TW200717136A (en) 2007-05-01

Family

ID=37967728

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095139506A TW200717136A (en) 2005-10-28 2006-10-26 Light diffusion plate and direct backlight device

Country Status (3)

Country Link
JP (1) JPWO2007049618A1 (fr)
TW (1) TW200717136A (fr)
WO (1) WO2007049618A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104536069A (zh) * 2015-01-06 2015-04-22 京东方科技集团股份有限公司 分光膜、背光模组及显示装置

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5078491B2 (ja) * 2007-07-31 2012-11-21 株式会社巴川製紙所 指向性フィルムおよび指向性拡散フィルム
JP2009117194A (ja) * 2007-11-07 2009-05-28 Puratekku:Kk 照明カバー及び照明器具
KR20100095536A (ko) * 2007-12-18 2010-08-31 다키론가부시키가이샤 광학 시트 및 이것을 사용한 백라이트 유닛
JP2009158135A (ja) * 2007-12-25 2009-07-16 Sumitomo Chemical Co Ltd 面光源装置及び液晶表示装置
JP5544727B2 (ja) * 2009-03-05 2014-07-09 凸版印刷株式会社 バックライトユニットおよび表示装置
JP5840885B2 (ja) * 2011-07-25 2016-01-06 株式会社小糸製作所 車両用灯具
US8797480B2 (en) 2011-10-18 2014-08-05 Dai Nippon Printing Co., Ltd. Light guide plate, surface light source device, and display device
JP5765647B2 (ja) * 2014-03-11 2015-08-19 大日本印刷株式会社 導光板、面光源装置および表示装置
JP6707848B2 (ja) * 2015-12-03 2020-06-10 市光工業株式会社 インナーレンズ及び車両用灯具
JP2018105929A (ja) * 2016-12-22 2018-07-05 京セラ株式会社 集光板及びそれを用いた太陽電池モジュール
EP3617755B1 (fr) * 2017-04-27 2021-04-14 Sony Corporation Dispositif d'affichage
US11871907B2 (en) * 2021-05-28 2024-01-16 Evident Corporation Illumination optical system for endoscope, optical adaptor and endoscope

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3106050B2 (ja) * 1994-02-17 2000-11-06 三菱レイヨン株式会社 面光源用輝度向上シート
JP3582544B2 (ja) * 1995-06-20 2004-10-27 大日本印刷株式会社 レンズシート、面光源及び表示装置
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
JPH10214035A (ja) * 1997-01-30 1998-08-11 Canon Inc バックライト装置及びこれを用いた液晶表示装置
JP2000231103A (ja) * 1999-02-09 2000-08-22 Mitsubishi Rayon Co Ltd レンズシートおよびそれを用いたバックライト、液晶表示装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104536069A (zh) * 2015-01-06 2015-04-22 京东方科技集团股份有限公司 分光膜、背光模组及显示装置
CN104536069B (zh) * 2015-01-06 2018-01-12 京东方科技集团股份有限公司 分光膜、背光模组及显示装置

Also Published As

Publication number Publication date
JPWO2007049618A1 (ja) 2009-04-30
WO2007049618A1 (fr) 2007-05-03

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