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:
Jan. 05, 1982
Filed:
Jan. 28, 1980
Applicant:
Inventors:
Kohzo Yano, Tenri, JP;
Sadatoshi Takechi, Tenri, JP;
Yasuhiko Inami, Tenri, JP;
Hisashi Uede, Yamatokoriyama, JP;
Assignee:
Sharp Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01G / ; G02F / ;
U.S. Cl.
CPC ...
29570 ; 4271263 ; 427166 ; 4272481 ; 4272553 ; 350357 ; 427108 ; 427109 ;
Abstract
In an electrochromic display device including an electro-chromic layer comprising a film made of amorphous tungsten oxide (WO.sub.3), the device is fabricated under the ambience of both a relative humidity below 60% and an absolute humidity below 1.17.times.10.sup.-2 Kg/Kg to assure electro-optical properties of the electrochromic display device.