US 12,242,154 B2
Display device
Yongseok Lee, Paju-si (KR); and Hyukjoon Yoon, Paju-si (KR)
Assigned to LG Display Co., Ltd., Seoul (KR)
Filed by LG Display Co., Ltd., Seoul (KR)
Filed on Oct. 31, 2023, as Appl. No. 18/498,412.
Claims priority of application No. 10-2022-0154656 (KR), filed on Nov. 17, 2022.
Prior Publication US 2024/0168333 A1, May 23, 2024
Int. Cl. G02F 1/1335 (2006.01)
CPC G02F 1/133607 (2021.01) [G02F 2203/03 (2013.01)] 23 Claims
OG exemplary drawing
 
1. A display device comprising:
a display panel configured to display an image;
a backlight unit below the display panel, the backlight unit configured to emit light; and
an optical path control member between the display panel and the backlight unit;
wherein the optical path control member includes:
a first electrode,
a second electrode, and
a light conversion layer between the first electrode and the second electrode,
wherein the light conversion layer comprises:
a partition portion; and
a plurality of receiving portions having a pyramid shape within the partition portion, wherein scattered particles are dispersed in the plurality of receiving portions,
wherein at least one of the plurality of receiving portions has a symmetrical pyramid shape in a central portion of the optical path control member and at least one of the plurality of receiving portions has an asymmetrical pyramid shape in an edge portion of the optical path control member.