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:
Mar. 31, 1992
Filed:
Mar. 28, 1989
Applicant:
Inventors:
Kakutaro Kauchi, Kimitsu, JP;
Toru Tomoshige, Kimitsu, JP;
Shoji Usuda, Osaka, JP;
Hideyuki Kitayama, Osaka, JP;
Assignees:
Mitsui Petrochemical Ind., Tokyo, JP;
IDEC Izumi Corp., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ; H01L / ;
U.S. Cl.
CPC ...
357 72 ;
Abstract
There is provided a light-emitting or receiving device having improved weatherability, chemical resistance, hardness, and optical properties, wherein a light-emitting or receiving element is encapsulated with a polymer of a polymerizable liquid composition comprising (a) a monomer or an oligomer or a mixture thereof containing a diallyl compound as an essential ingredient. There is also provided an encapsulant and a method for encapsulating a light-emitting or receiving element.