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:
Nov. 10, 2026
Filed:
Oct. 19, 2021
Dai Nippon Printing Co., Ltd., Tokyo-to, JP;
Keita Arihara, Tokyo-to, JP;
Marii Nishikawa, Tokyo-to, JP;
Atsuo Tsuzuki, Tokyo-to, JP;
Yoshihiro Kanai, Tokyo-to, JP;
DAI NIPPON PRINTING CO., LTD., Tokyo, JP;
Abstract
A surface-emitting device includes: a light-emitting diode substrate including a supporting substrate, and a light-emitting diode element placed on one surface side of the supporting substrate; a sealing member placed on a light-emitting diode element side surface of the light-emitting diode substrate, and configured to seal the light-emitting diode element; and a diffusion member placed on the sealing member, on an opposite surface side to the light-emitting diode substrate side, wherein a haze value of the sealing member is 4% or more, and a thickness thereof is thicker than a thickness of the light-emitting diode element.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile