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:
Aug. 19, 2025
Filed:
May. 04, 2022
University-industry Cooperation Group of Kyung Hee University, Yongin-si, KR;
Ajou University Industry-academic Cooperation Foundation, Suwon-si, KR;
Dong-eui University Industry-academic Cooperation Foundation, Busan, KR;
Kwangwoon University Industry-academic Collaboration Foundation, Seoul, KR;
Jongwook Park, Seoul, KR;
Sang Wook Kim, Seoul, KR;
Jong-Min Oh, Uijeongbu-si, KR;
Sung Hoon Kim, Seoul, KR;
Seokwoo Kang, Hwaseong-si, KR;
Abstract
Provided are a backlight unit, a down-conversion medium including the same, and a display device including the down-conversion medium. The backlight unit includes a light source configured to generate blue light; and an optical film configured to absorb a portion of the blue light generated from the light source to generate red light and green light, wherein the optical film includes a quantum dot matrix in which semi-metal element oxide is embedded.