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.:
Date of Patent:
Oct. 13, 2020
Filed:
Feb. 25, 2019
Flex Lighting Ii, Llc, Chicago, IL (US);
Anthony John Nichol, Chicago, IL (US);
Zane Arthur Coleman, Elmhurst, IL (US);
FLEx Lighting II, LLC, Chicago, IL (US);
Abstract
A display includes a reflective spatial light modulator; a lightguide having a core layer, at least a first cladding layer, and a light emitting region with a plurality of light extraction features arranged in a pattern that varies spatially in the light emitting region such that light exits the core layer in the light emitting region; a light source positioned to emit light into the core layer; a light redirecting optical element optically coupled to the second side of the first cladding layer including a plurality of light redirecting features directing light exiting the core layer toward the reflective spatial light modulator. The largest dimension of the light emitting region divided by the average thickness of the core layer in the light emitting region is greater than 100.