US 12,439,815 B2
Blue light absorbing film, and photoelectric device, image sensor and electronic device including the same
Yeong Suk Choi, Suwon-si (KR); Soo Young Park, Seoul (KR); Sung Young Yun, Suwon-si (KR); Hyeong-Ju Kim, Changwon-si (KR); Min-Woo Choi, Seoul (KR); Su-Yeon Kim, Seoul (KR); Jin Hong Kim, Seoul (KR); and Seyoung Jung, Busan (KR)
Assigned to Samsung Electronics Co., Ltd., Gyeonggi-do (KR); and Seoul National University R & DB Foundation, Seoul (KR)
Filed by Samsung Electronics Co., Ltd., Suwon-si (KR); and Seoul National University, R&DB Foundation, Seoul (KR)
Filed on Dec. 30, 2021, as Appl. No. 17/565,726.
Claims priority of application No. 10-2020-0188467 (KR), filed on Dec. 30, 2020.
Prior Publication US 2022/0209134 A1, Jun. 30, 2022
Int. Cl. H10K 85/60 (2023.01); C07D 471/04 (2006.01); H10K 30/30 (2023.01); H10K 39/32 (2023.01)
CPC H10K 85/621 (2023.02) [C07D 471/04 (2013.01); H10K 85/626 (2023.02); H10K 85/6572 (2023.02); H10K 30/30 (2023.02); H10K 39/32 (2023.02)] 24 Claims
OG exemplary drawing
 
1. A blue light absorbing film comprising a compound represented by Chemical Formula 1 and configured to selectively absorb light in a blue wavelength region:

OG Complex Work Unit Chemistry
wherein, in Chemical Formula 1,
Ar1 and Ar2 are each independently a substituted or unsubstituted C5 to C30 aromatic hydrocarbon group or a substituted or unsubstituted C3 to C30 hetero aromatic hydrocarbon group,
Z1 and Z2 are each independently O, S, Se, Te, or C(CN) 2,
R1 and R2 are each independently a substituted or unsubstituted C6 to C40 alkyl group, a substituted or unsubstituted C3 to C30 cycloalkyl group, a substituted or unsubstituted C3 to C30 heterocycloalkyl group, a substituted or unsubstituted C6 to C30 aryl group, or a substituted or unsubstituted C3 to C30 heteroaryl group, and
Ra and Rb are each independently hydrogen, deuterium, a halogen, a cyano group, or a C1 to C10 alkyl group.