Wide-angle projection system

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United States of America Patent

PATENT NO 9784956
SERIAL NO

14657768

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Abstract

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A wide-angle projection system includes a refraction unit and a reflection unit. The refraction unit includes a first lens group of positive refractive power and a second lens group of negative refractive power. The second lens group is disposed between the first lens group and the reflection unit and the condition: 0.9

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Patent Owner(s)

  • YOUNG OPTICS INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chen, Yi-Hsueh Hsinchu, TW 23 64
Hsu, Ya-Ling Hsinchu, TW 109 480
Tien, Chi-Chang Hsinchu, TW 1 0
Tsai, Li-Chiu Hsinchu, TW 6 9

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