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:
Mar. 11, 2025
Filed:
Apr. 21, 2023
Postech Research and Business Development Foundation, Pohang-si, KR;
Junsuk Rho, Pohang-si, KR;
Young-Ki Kim, Pohang-si, KR;
Joohoon Kim, Pohang-si, KR;
Won-Sik Kim, Pohang-si, KR;
Trevon Badloe, Pohang-si, KR;
Postech Research and Business Development Foundation, Pohang-si, KR;
Abstract
Provided is a color filter. The color filter includes a nano structure layer including a base substrate and a plurality of nano structures which are disposed to be spaced apart from each other on the base substrate and each of which has an elliptical shape on a plane, and a polarization control layer disposed on the nano structure layer and including liquid crystal molecules of which an alignment direction on a plane parallel to the base substrate is controlled by an electric field to realize excellent color reproducibility.