Television – Video display – Projection device
Reexamination Certificate
2006-08-01
2006-08-01
Natnael, Paulos M. (Department: 2622)
Television
Video display
Projection device
Reexamination Certificate
active
07084931
ABSTRACT:
A projection-type imaging device1000includes: a light source optical system121for emitting source light122;image display elements7a–7ceach having a display surface127on which a plurality of micromirrors301are placed and driving the plurality of micromirrors301according to a control signal representing a prescribed image so as to reflect the source light122incident on the display surface127toward a first direction and a second direction differing from the first direction so as to obtain first light10band second light10a, respectively; a prism6for transmitting the first light10band the second light10a; a projection optical system8for projecting the first light10btransmitted by the prism; an absorption section19for absorbing the second light10btransmitted by the prism6;and cooling sections22, 23and24for cooling the absorption section19by a liquid refrigerant20.The first light10bcarries information on the prescribed image, the liquid refrigerant20is optically coupled to the prism6, and the second light10areaches the absorption section19via the liquid refrigerant20.
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Sannohe Shinya
Tabuchi Toshiaki
Matsushita Electric - Industrial Co., Ltd.
Natnael Paulos M.
Snell & Wilmer L.L.P.
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