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:
Oct. 06, 2026

Filed:

Jun. 02, 2023
Applicant:

Reald Spark, Llc, Boulder, CO (US);

Inventors:

Michael G. Robinson, Boulder, CO (US);

Graham J Woodgate, Henley-on-Thames, GB;

Assignee:

RealD Spark, LLC, Boulder, CO (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 8/00 (2006.01);
U.S. Cl.
CPC ...
G02B 6/0065 (2013.01); G02B 6/0021 (2013.01); G02B 6/0031 (2013.01); G02B 6/0036 (2013.01);
Abstract

Forming an array of metallised light input wells and an array of light-deflecting wells in an optical waveguide involves the steps of forming holes through a capped adhesive layer, attaching the adhesive layer to a substrate, metallising the substrate and adhesive layer and removing the capping to expose adhesive and metallised regions. The substrate is aligned to a well layer with an array of light input through-holes and an array of light-deflecting through-holes. The substrate is attached to the well layer with an array of metallised light input wells and an array of metallised light-deflecting wells. The array of light input wells receive light from a respective aligned array of light-emitting diodes. The array of light-deflecting wells reflects guided light in the region around each light-emitting diode. Extracted light from the waveguide is output by refraction and total internal reflection by a light turning optical component.


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