Rear projection display device

Details Rear projection display device Rear projection display device

G - Physics

03

B

G03B 21/10 (2006.01) G02B 27/18 (2006.01) H04N 5/74 (2006.01) G02B 17/00 (2006.01)

Patent

CA 2381093

A rear projection display device capable of reducing the depth of a display device itself, comprising an optical engine 2, first, second, third reflective mirrors 3, 4, 5 arranged at such positions as to be easily held integrally with each other, a fourth reflective mirror 6, a plane reflective mirror 7 for turn-back of light flux, and a screen 8.

L'invention concerne un dispositif de projection de type rétroprojecteur, permettant de réduire la profondeur d'un dispositif de projection. Le dispositif de projection selon l'invention est composé d'un moteur optique (2), d'un premier, d'un deuxième, et d'un troisième réflecteur (3, 4, 5) disposés de manière à être aisément maintenus de manière intégrale l'un par rapport à l'autre, d'un quatrième réflecteur (6), d'un miroir réfléchissant plat (7) destiné à renvoyer le flux lumineux, et d'un écran (8).

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