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:
Aug. 03, 2021

Filed:

Mar. 29, 2018
Applicant:

Sony Corporation, Tokyo, JP;

Inventors:

Norimasa Furukawa, Tokyo, JP;

Hiroki Asakawa, Kanagawa, JP;

Assignee:

Saturn Licensing LLC, New York, NY (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/02 (2006.01); G02F 1/1335 (2006.01); G02B 5/04 (2006.01);
U.S. Cl.
CPC ...
G02B 5/0284 (2013.01); G02B 5/04 (2013.01); G02B 5/045 (2013.01); G02F 1/133504 (2013.01);
Abstract

There is provided an optical member that achieves a desired light distribution characteristic while having a simple configuration. The optical member includes a first transparent optical sheet and a second transparent optical sheet that are superimposed on each other in a first axial direction. The first transparent optical sheet includes a structure in which a first region and a second region are alternately disposed in a second axial direction. The second transparent optical sheet includes a structure in which a third region and a fourth region are alternately disposed in a third axial direction. An angle formed by the third axial direction with respect to the second axial direction is equal to or greater than 0° and less than 45°.


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