Patent number: 12396352
Abstract: A display device includes: a substrate including a first emission area, a second emission area, and a third emission area; a first wavelength conversion pattern overlapping the first emission area; a second wavelength conversion pattern overlapping the second emission area; and a light-transmitting pattern overlapping the third emission area, wherein the first wavelength conversion pattern includes first wavelength shifters configured to convert a first light into a second light, and first scatterers, the second wavelength conversion pattern includes second wavelength shifters configured to convert the first light into a third light, and second scatterers, and a ratio between a concentration of the first wavelength shifters and a concentration of the second wavelength shifters is 1:1.1 to 1:1.3.
Type:
Grant
Filed:
September 21, 2022
Date of Patent:
August 19, 2025
Assignee:
Samsung Display Co., Ltd.
Inventors:
Young Soo Kwon, Sun Young Kwon, Min Seok Kim, Bu Yong Kim, Song Yi Kim, Soo Dong Kim, Su Jin Kim, Jin Won Kim, Da Hye Park, Dong Gyu Baeck, Hye Jin Paek, Tae Young Song, Keun Chan Oh, Won Gap Yoon, Ki Heon Lee, Myung Jin Lee, Hyeok Jin Lee, Woo Man Ji, Ho Yeon Ji, Yong Seok Choi
Patent number: 10119074
Abstract: A liquid crystal composition includes a compound having a structure represented by formula A-1: wherein RA1 is an alkyl group, an alkoxy group, a cyano group, a halogen atom, or a hydrogen atom, RA2 is an alkyl group, a cyano group, a halogen atom, or a hydrogen atom, ZA is *—O—*, *—COO—*, *—OCO—*, *—CF2O—*, *—OCF2—*, *—CH2O—*, *—OCH2—*, *—SCH2—*, *—CH2S—*, *—C2F4—*, *—CH2CF2—*, *—CF2CH2—*, *—(CH2)k—*, *—CH?CH—*, *—CF?CF—*, *—CH?CF—*, *—CF?CH—*, *—C?C—*, *—CH?CHCH2O—*, or a single bond, X is a halogen atom, each of l1 and l2 is independently an integer of 0 to 2, and when l1 is 2 and ZA in a repeating unit defined by l1 are the same or different, wherein k is an integer of 1 to 5 and “*” indicates a point of attachment.
Type:
Grant
Filed:
February 1, 2017
Date of Patent:
November 6, 2018
Assignee:
SAMSUNG DISPLAY CO., LTD.
Inventors:
Ji Eun Jang, Sun Young Kwon, Tae Hoon Kim, Jong Ho Son, Keun Chan Oh, Won Gap Yoon, Gak Seok Lee, Jin Hyeong Lee, Chang Hun Lee