US 12,245,468 B2
Optical film, display device including optical film and manufacturing method of optical film
Jiwon Lee, Hwaseong-si (KR); Sujung Huh, Yongin-si (KR); Joon Hak Oh, Pohang-si (KR); Yoon Ho Lee, Pohang-si (KR); Jiyeon Seo, Hwaseong-si (KR); and Youngsang Ha, Suwon-si (KR)
Assigned to SAMSUNG DISPLAY CO., LTD, Gyeonggi-Do (KR); and POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATION, Gyeongsangbuk-Do (KR)
Filed by Samsung Display Co., Ltd., Yongin-Si (KR); and Postech Research and Business Development Foundation, Pohang-si (KR)
Filed on Mar. 4, 2021, as Appl. No. 17/191,990.
Claims priority of application No. 10-2020-0054087 (KR), filed on May 6, 2020.
Prior Publication US 2021/0351254 A1, Nov. 11, 2021
Int. Cl. G02B 1/111 (2015.01); B32B 9/04 (2006.01); G02B 1/04 (2006.01); G02B 1/116 (2015.01); G02B 3/00 (2006.01); H10K 59/124 (2023.01)
CPC H10K 59/124 (2023.02) [B32B 9/045 (2013.01); G02B 1/04 (2013.01); G02B 1/111 (2013.01); G02B 1/116 (2013.01); G02B 3/00 (2013.01); B32B 2311/00 (2013.01); B32B 2313/00 (2013.01); B32B 2333/12 (2013.01); B32B 2369/00 (2013.01); B32B 2383/00 (2013.01); B32B 2457/20 (2013.01); G02B 2003/0093 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A display device comprising:
a display panel including a light-emitting element configured to emit light;
a first layer including a porous polymer and disposed on the display panel;
a second layer including a metal halide and disposed on the first layer; and
a lenticular lens disposed on the display panel,
wherein the first layer has a first refractive index and the second layer has a second refractive index less than the first refractive index,
wherein the porous polymer comprises a plurality of pores
having an average diameter of about 900 to about 1000 nanometers (nm), and
wherein a light transmittance of the first layer is higher in a wavelength of about 700 nm than in a wavelength of about 400 nm.