The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 19, 1997
Filed:
Aug. 10, 1994
Makoto Uehara, Zama, JP;
Hidetarou Tsuchiya, Yokohama, JP;
Hisao Tajima, Yokohama, JP;
Hiroyuki Yokomizo, Atsugi, JP;
Hiroshi Takabayashi, Atsugi, JP;
Shigeki Yabu, Machida, JP;
Toshiaki Itazawa, Yamato, JP;
Mitsuo Iwayama, Odawara, JP;
Yoshihiro Onitsuka, Hiratsuka, JP;
Yasushi Shioya, Atsugi, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A liquid crystal display apparatus is constituted by: a housing; a liquid crystal panel comprising a liquid crystal disposed between a pair of substrates each provided with electrodes, the liquid crystal panel being affixed to the housing; and a backlight for illuminating the liquid crystal panel, detachably affixed to the housing. A light-transmissive plate, such as a diffusion plate, allowing transmission of light from the backlight is further disposed between the liquid crystal panel and the backlight so as to define an almost closed first space in cooperation with the liquid crystal panel, whereby the first space retaina its almost closed state even when the backlight is detached from the housing.