LED beam shaping using microlens arrays

Proceedings of SPIE - The International Society for Optical Engineering

Volumn 7423, Issue , 2009, Pages

  Lee, Yun Chi ^a   Hsieh, Hsin Ta ^a   Hsu, Wei Yao ^b   Su, Guo Dung J ^a  

^a NATIONAL TAIWAN UNIVERSITY   (Taiwan)

^b INSTRUMENT TECHNOLOGY RESEARCH CENTER   (Taiwan)

Author keywords

beam angle; illuminance area; microlens; reflection tube; uniformity

Indexed keywords

BACKLIGHT MODULE; BEAM ANGLE; BEAM PROFILES; BEAM-SHAPING; CELL PHONE; CONTRAST RATIO; ENTRANCE PUPIL; HEAD UP DISPLAYS; HIGH BRIGHTNESS; HIGH EFFICIENCY; HOMOGENEOUS ILLUMINATION; ILLUMINANCE AREA; LAMBERTIAN; LCD DISPLAYS; LIGHT DISTRIBUTION; LONG LIFE; MICRO-LENS; MICRO-LENS ARRAYS; PORTABLE DEVICE; PRODUCTION COST; REFRACTIVE MICROLENS ARRAYS; TARGET PLANE; UNIFORMITY; WIDE COLOR GAMUT;

CELLULAR TELEPHONE SYSTEMS; DESIGN; LIGHT; LIGHTING; LIQUID CRYSTAL DISPLAYS; MICROLENSES; MICROOPTICS; OPTICAL INSTRUMENT LENSES; OPTICAL SYSTEMS; TELECOMMUNICATION EQUIPMENT;

LIGHT EMITTING DIODES;

EID: 77957088045     PISSN: 0277786X     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1117/12.826735     Document Type: Conference Paper

References (5)

1. SAMSUNG ELECTRONICS CO., LTD, "LED Backlight" (2006).
2. Dipl.-Ing. (FH) M. Wanninger OSRAM Opto Semiconductors GmbH, Regensburg, " LED Light Source for Head- Up Displays".
3. Robert E. Fischer, Biljana Tadic-Galeb and Paul R. Yoder, [Optical System Design], McGraw-Hill, Taiwan, 531-533(2008).
4. Peter Schreiber*, Sergey Kudaev, Peter Dannberg, Uwe D. Zeitner, Fraunhofer Institute for Applied Optics and Precision Mechanics, Albert-Einstein-Strasse 7, D-07745 Jena, Germany, "Homogeneous LED-illumination using microlens arrays".
5. Peter Schreiber, Sergey Kudaev, Fraunhofer IOF, Jena, Germany, "Micro-optics for LED light sources"