US 12,004,411 B2
Viewing angle switchable display device
Soon-Hwan Hong, Paju-si (KR); Chang-Soo Kim, Paju-si (KR); Sang-Hak Shin, Paju-si (KR); Cheol-Hwan Lee, Paju-si (KR); and Seong-Yeong Kim, Paju-si (KR)
Assigned to LG DISPLAY CO., LTD., Seoul (KR)
Filed by LG Display Co., Ltd., Seoul (KR)
Filed on Nov. 28, 2022, as Appl. No. 17/995,000.
Claims priority of application No. 10-2021-0192430 (KR), filed on Dec. 30, 2021.
Prior Publication US 2023/0217690 A1, Jul. 6, 2023
Int. Cl. H10K 59/80 (2023.01); G06F 3/041 (2006.01); G09G 3/3233 (2016.01); H10K 59/40 (2023.01)
CPC H10K 59/8792 (2023.02) [G06F 3/0412 (2013.01); G09G 3/3233 (2013.01); H10K 59/40 (2023.02); G09G 2300/0426 (2013.01); G09G 2300/0842 (2013.01); G09G 2300/0861 (2013.01); G09G 2320/068 (2013.01)] 23 Claims
OG exemplary drawing
 
1. A viewing angle switchable display device, comprising:
a display panel including first, second, and third sub-pixels, each of the first, second, and third sub-pixels having a first emission area and a second emission area spaced apart from the first emission area; and
a lens layer disposed over the display panel and including a first type of lens corresponding to the first emission area and a second type of lens corresponding to the second emission area,
wherein the first type of lens has a different shape than the second type of lens, and
wherein a plurality of first lenses of the first type overlap with one first emission area in a same subpixel among at least one of the first, second, and third sub-pixels, and one second lens of the second type overlaps with the second emission areas in the first, second, and third sub-pixels.