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:
Feb. 11, 2020
Filed:
Sep. 29, 2017
Toppan Printing Co., Ltd., Tokyo, JP;
Koji Murata, Tokyo, JP;
Kenji Matsumasa, Tokyo, JP;
Kengo Okamura, Tokyo, JP;
Satoshi Iwata, Tokyo, JP;
Masato Kurokawa, Tokyo, JP;
TOPPAN PRINTING CO., LTD., Tokyo, JP;
Abstract
A quantum dot protective film for sealing a phosphor, including: a protective layer having foreign matter, the maximum size of which is 100 to 500 μm; and a coating layer formed on one surface of the protective layer, wherein the abundance ratio of the foreign matter with the maximum size of 100 to 500 μm is 0.01 to 5.0 particles/min the protective layer, and the haze value is 20% or higher.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile