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:
Dec. 06, 2022
Filed:
Dec. 27, 2019
Applicant:
Brightview Technologies, Inc., Durham, NC (US);
Inventors:
Kenneth L. Walker, Durham, NC (US);
Juhyun J. Lee, Durham, NC (US);
Assignee:
BrightViewTechnologies, Inc., Durham, NC (US);
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/00 (2006.01); G02F 1/13357 (2006.01); G02F 1/1335 (2006.01); H01L 33/50 (2010.01);
U.S. Cl.
CPC ...
G02F 1/133603 (2013.01); G02F 1/133606 (2013.01); G02F 1/133614 (2021.01); H01L 33/502 (2013.01);
Abstract
A color conversion film for a backlight unit that includes an array of light emitting diodes. The color conversion film includes a substantially planar base portion, and a plurality of three-dimensional structures extending from the substantially planar base portion. Each of the three-dimensional structures has at least one sloped surface with a base angle of about 55°-75° relative to the substantially planar base portion. The color conversion film includes a material having a refractive index of about 1.5-1.7.