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 10168574 B1

PDF
Full Text
Expired
Date of Patent:
Jan. 01, 2019

Filed:

Oct. 19, 2017
Applicant:

Sakai Display Products Corporation, Sakai-shi, Osaka, JP;

Inventor:

Ryo Yamakawa, Sakai, JP;

Assignee:

Sakai Display Products Corporation, Sakai-shi, Osaka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1333 (2006.01); G02F 1/1339 (2006.01); G02F 1/1335 (2006.01); F21V 8/00 (2006.01);
U.S. Cl.
CPC ...
G02F 1/133608 (2013.01); G02B 6/0088 (2013.01); G02F 1/13394 (2013.01); G02B 6/0073 (2013.01); G02F 1/133603 (2013.01); G02F 1/133606 (2013.01); G02F 2001/133314 (2013.01); G02F 2001/133317 (2013.01);
Abstract

A light source device comprises: a light source; a light-transmissive plate having a side surface or a main surface facing the light source; a holding frame having a frame-shaped surface holding a peripheral edge portion of the light-transmissive plate, the holding frame having a frame shape; and a spacer provided between the peripheral edge portion of the light-transmissive plate and the frame-shaped surface of the holding frame. The holding frame comprises: a first rib provided on the frame-shaped surface, at a position closer to an outer edge of the holding frame than a contact position of the frame-shaped surface in contact with the spacer is, the first rib extending along the frame shape; and a first recessed portion provided between the first rib and the contact position.


Find Patent Forward Citations

Yamakawa, Ryo. (2019). Light source device and display apparatus (U.S. Patent No. 10168574). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10168574

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

Loading…