G - Physics – 02 – B
Patent
G - Physics
02
B
G02B 27/18 (2006.01) G02B 26/08 (2006.01) G02B 27/10 (2006.01) G02F 1/1335 (2006.01) G02F 1/19 (2006.01) G03B 21/00 (2006.01) G03B 33/12 (2006.01)
Patent
CA 2710661
The present invention relates to an image projection device having a linear array of LED's in a common substrate, a common lens group to collimate light from each LED, and a single dichroic wedge having dichroic coatings for reflecting each light source to a condensing means which condenses the light to a distal surface. The image projection device therefore provides for a smaller optical package which is more easily accommodated in mobile devices such as mobile telephones, and which is simple and cheap to manufacture.
La présente invention porte sur un dispositif de projection d'image comportant un réseau linéaire de DEL dans un substrat commun, un groupe de lentilles communes pour collimater la lumière provenant de chaque DEL et un coin dichroïque unique présentant des revêtements dichroïques pour réfléchir chaque source de lumière vers des moyens de condensation qui condensent la lumière vers une surface distale. Le dispositif de projection d'image fournit par conséquent un ensemble optique plus petit qui peut plus facilement se loger dans des dispositifs mobiles tels que des téléphones mobiles, et qui est simple et peu coûteux à fabriquer.
Jung Danny
Rubinshtein Peter
Digislide Holdings Limited
Macpherson Leslie & Tyerman Llp
LandOfFree
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