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:
May. 01, 1979
Filed:
Mar. 29, 1978
Applicant:
Inventors:
Osamu Abe, Yokohama, JP;
Hiroshi Fujita, Kawasaki, JP;
Assignee:
Tokyo Shibaura Electric Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
313116 ; 313113 ; 313499 ; 313512 ; 350188 ; 362355 ; 362800 ;
Abstract
A light-emitting display device comprising a light-emitting element, a substrate on which the light-emitting element is disposed, a reflector for reflecting the light from the light-emitting element, and a light diffusing film disposed apart from the light-emitting element for dispersing the light. The light diffusing film consists of a light diffusing part of a fibriform light diffusing material and a transparent part.
Abe, Osamu. (1979). Light-emitting display device including light diffusing film (U.S. Patent No. 4152618). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4152618
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile