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:
Jun. 25, 2019
Filed:
Apr. 27, 2017
Samsung Display Co., Ltd., Yongin-Si, Gyeonggi-Do, KR;
Youngchun Kim, Hwaseong-si, KR;
Kyung-min Kim, Hwaseong-si, KR;
Hyuk-hwan Kim, Hwaseong-si, KR;
Hee-kwang Song, Suwon-si, KR;
SAMSUNG DISPLAY CO., LTD., Gyeonggi-Do, KR;
Abstract
A display apparatus includes a display module including a light conversion member including a plurality of quantum dots, a backlight unit providing a first light to the display module, and an optical filter disposed between the display module and the backlight unit. The optical filter includes a transmission filter layer transmitting a light in the first wavelength range and a second wavelength range, reflecting a light in a third wavelength range, and having a first effective refractive index and a viewing angle control layer disposed between the transmission filter layer and the display module to couple the transmission filter layer and the display module and having a second effective refractive index equal to or smaller than the first effective refractive index.