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 8120022 B1

PDF
Full Text
Expired
Date of Patent:
Feb. 21, 2012

Filed:

Jul. 16, 2008
Applicants:

Kazunori Sugimoto, Otsu, JP;

Tsuyoshi Tominaga, Otsu, JP;

Inventors:

Kazunori Sugimoto, Otsu, JP;

Tsuyoshi Tominaga, Otsu, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/00 (2006.01); H01L 51/30 (2006.01);
U.S. Cl.
CPC ...
Abstract

Disclosed is a light emitting device material characterized by containing a specific fluorine compound. This light emitting device material enables to obtain a light emitting device having high luminous efficiency, excellent color purity and excellent durability. Also disclosed is a light emitting device using such a light emitting device material.


Find Patent Forward Citations

Sugimoto, Kazunori. (2012). Light emitting device material and light emitting device (U.S. Patent No. 8120022). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8120022

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

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