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:
Jun. 05, 1990
Filed:
Oct. 12, 1988
Applicant:
Inventors:
Hiroshi Takagi, Yokohama, JP;
Kazuaki Ohmi, Hadano, JP;
Masao Sugata, Yokohama, JP;
Hisanori Tsuda, Atsugi, JP;
Takahiko Ishiwatari, Yamato, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B / ;
U.S. Cl.
CPC ...
313503 ; 313498 ; 428690 ; 428917 ;
Abstract
A luminescing member emits light as a result of application of excitation energy thereto, wherein a luminescing part comprises on ultrafine particle film formed by deposition of ultrafine particles. It is preferred that the ultrafine particles comprises an amorphous A:Ox or an amorphous A:O:H having an A--O--A bond and an A--OH bond, and the element A is at least one element selected from the group consisting of Si, C and Ge.