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:
Dec. 21, 2021

Filed:

Nov. 08, 2019
Applicants:

Sergiy Vasylyev, Elk Grove, CA (US);

Mykola Masalitin, Sacramento, CA (US);

Inventors:

Sergiy Vasylyev, Elk Grove, CA (US);

Mykola Masalitin, Sacramento, CA (US);

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F21V 8/00 (2006.01);
U.S. Cl.
CPC ...
G02B 6/0041 (2013.01); G02B 6/0055 (2013.01); G02B 6/0065 (2013.01); G02B 6/0003 (2013.01); G02B 6/0056 (2013.01);
Abstract

Wide-area solid-state illumination devices and systems, including one or more linear arrays of compact solid-state light sources, such as LEDs, a light guiding sheet of an optically transmissive material optically coupled to the light sources, and an optically opaque grid panel defining a series of openings for light passage. The light guiding sheet includes a light extraction surface pattern having a series of light extraction areas alternating with separation areas. The light guiding sheet is positioned over the grid panel such that the light extraction areas are disposed in registration with the openings in the grid panel.


Find Patent Forward Citations

Vasylyev, Sergiy. (2021). Wide-area solid-state illumination devices and systems employing sheet-form light guides and method of making the same (U.S. Patent No. 11204458). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11204458

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

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