Other

Hitachi, Ltd., and Hitachi Video and Information Systems, Inc.

Hidetomo Yoshimura

Masahiko Yatsu

Nobuyuki Kaku

Atsushi Ishibashi

Shigehisa Hagura

Yasuo Otsuka

Takeshi Hoshino

Takesuke Maruyama

Tomohiro Miyoshi

Kenji Fuse

Futoshi Yamasaki

Naohiro Ozawa

Masaharu Deguchi

Takashi Kakuda

Satoshi Ohuchi

Yutaka Matsuda

Makoto Fukatsu

Seiichi Sekiguchi

Takuya Shiaki

Mikiharu Kuwata

Koichi Umezawa

Nobuhiko Konuma

A liquid crystal projector comprises an illuminating optical system including a light source, a color separating optical system for separating illuminating light rays emitted by the illuminating optical system into light rays of three colors, a projection lens unit comprising a projection lens, a cross dichroic prism disposed near a light receiving end of the projection lens, and a plurality of liquid crystal panels arranged around the cross dichroic prism, and a light source power supply for supplying power to the light source. The projection lens unit, the color separating optical system, the illuminating optical system and the light source power supply are arranged in that order. The liquid crystal projector has an outside size in a horizontal plane of 263 mm by 318 mm or below. The liquid crystal panels have a display screen size of 0.9 in. A cooling fan for cooling the plurality of liquid crystal panels is disposed beside the projection lens.

Liquid crystal projector, and projection lens unit, optical unit and cooling system for the same

Growing community of inventors

Zushi, Japan

Hidetomo Yoshimura