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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.:

US 4931692 B1

PDFFull Text
Date of Patent:
Jun. 05, 1990

Filed:

Oct. 12, 1988

Luminescing member, process for preparation thereof, and

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:

Fitzpatrick, Cella, Harper & Scinto

Primary Examiner:

Kenneth Wieder

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.

Find Patent Forward Citations

Takagi, Hiroshi. (1990). Luminescing member, process for preparation thereof, and (U.S. Patent No. 4931692). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4931692

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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