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TWI265318B - Optical diffuser - Google Patents

Optical diffuser

Info

Publication number
TWI265318B
TWI265318B TW94133326A TW94133326A TWI265318B TW I265318 B TWI265318 B TW I265318B TW 94133326 A TW94133326 A TW 94133326A TW 94133326 A TW94133326 A TW 94133326A TW I265318 B TWI265318 B TW I265318B
Authority
TW
Taiwan
Prior art keywords
optical diffuser
curved surface
micro lenses
curved
optical
Prior art date
Application number
TW94133326A
Other languages
Chinese (zh)
Other versions
TW200712563A (en
Inventor
Cheng-Lin Yang
Yu-Tsan Tseng
Po-Ling Shiao
Chih-Chiang Chao
Original Assignee
Ind Tech Res Inst
Chi Lin Technology 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 Ind Tech Res Inst, Chi Lin Technology Co Ltd filed Critical Ind Tech Res Inst
Priority to TW94133326A priority Critical patent/TWI265318B/en
Application granted granted Critical
Publication of TWI265318B publication Critical patent/TWI265318B/en
Publication of TW200712563A publication Critical patent/TW200712563A/en

Links

Landscapes

  • Optical Couplings Of Light Guides (AREA)

Abstract

An optical diffuser. The optical diffuser comprises a plurality of first micro lenses having a first curved surface and a plurality of second micro lenses having a second curved surface connecting the first curved surface. Points on the first curved surface, the second curved surface and the junction of the first and second curved surfaces never have curvature of 0.
TW94133326A 2005-09-26 2005-09-26 Optical diffuser TWI265318B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW94133326A TWI265318B (en) 2005-09-26 2005-09-26 Optical diffuser

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW94133326A TWI265318B (en) 2005-09-26 2005-09-26 Optical diffuser

Publications (2)

Publication Number Publication Date
TWI265318B true TWI265318B (en) 2006-11-01
TW200712563A TW200712563A (en) 2007-04-01

Family

ID=38122183

Family Applications (1)

Application Number Title Priority Date Filing Date
TW94133326A TWI265318B (en) 2005-09-26 2005-09-26 Optical diffuser

Country Status (1)

Country Link
TW (1) TWI265318B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101963678B (en) * 2009-07-21 2012-06-13 迎辉科技股份有限公司 Brightening diffusion film

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI418855B (en) 2008-08-28 2013-12-11 Ind Tech Res Inst Illuminant module with an optical film of multiple curvatures
KR101211723B1 (en) * 2010-09-20 2012-12-12 엘지이노텍 주식회사 Optical sheet, optical unit and lighting device using the same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101963678B (en) * 2009-07-21 2012-06-13 迎辉科技股份有限公司 Brightening diffusion film

Also Published As

Publication number Publication date
TW200712563A (en) 2007-04-01

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Legal Events

Date Code Title Description
MK4A Expiration of patent term of an invention patent