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:
Apr. 21, 2025
Filed:
May. 12, 2024
Samsung Electronics Co., Ltd., Suwon-si, KR;
Sungyeol Kim, Suwon-si, KR;
Kyungsoo Park, Suwon-si, KR;
Chunsoon Park, Suwon-si, KR;
Kyehoon Lee, Suwon-si, KR;
SAMSUNG ELECTRONICS CO., LTD., Suwon-si, KR;
Abstract
A display apparatus is provided that includes: a printed circuit board (PCB); a light emitting diode (LED) chip mounted on the PCB and configured to emit light; an optical dome disposed over and enclosing the LED chip; a distributed Bragg reflector (DBR) layer arranged on an upper surface of the LED chip; a liquid crystal panel configured to block or pass light output from the LED chip; an optical film arranged between the LED chip and the liquid crystal panel, wherein the optical film comprises a quantum dot sheet formed to enhance color reproducibility by making a change in wavelength of light.