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.

Date of Patent:
Jun. 13, 2023

Filed:

Mar. 09, 2020
Applicant:

Omron Corporation, Kyoto, JP;

Inventors:

Masayuki Shinohara, Nagaokakyo, JP;

Ryo Yamamoto, Kyoto, JP;

Norikazu Kitamura, Osaka, JP;

Assignee:

OMRON Corporation, Kyoto, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21S 43/245 (2018.01); F21S 43/239 (2018.01); B60Q 1/00 (2006.01); F21Y 115/10 (2016.01); F21W 103/35 (2018.01); F21V 8/00 (2006.01);
U.S. Cl.
CPC ...
F21S 43/245 (2018.01); B60Q 1/0011 (2013.01); F21S 43/239 (2018.01); G02B 6/0045 (2013.01); G02B 6/0065 (2013.01); F21W 2103/35 (2018.01); F21Y 2115/10 (2016.08);
Abstract

A method is disclosed for manufacturing, by injection molding with use of a mold, a light guide plate in which a first region having a curvature in a first direction and a second region having a predetermined curved surface are connected. The mold includes a first member for forming the first region and a second member for forming the second region. The first member is manufactured by bending a first electroforming stamper on which a predetermined structure is formed by electroforming in a direction corresponding to the first direction.


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