US 11,927,835 B2
Functional contact lens and manufacturing method therefor
Byung Hee Hong, Gyeonggi-do (KR); Sangkyu Lee, Gyeonggi-do (KR); Insu Jo, Jeollabuk-do (KR); and Sangmin Kang, Seoul (KR)
Assigned to SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION, Seoul (KR); and GRAPHENE SQUARE INC., Seoul (KR)
Appl. No. 16/496,875
Filed by SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION, Seoul (KR); and GRAPHENE SQUARE INC., Seoul (KR)
PCT Filed Aug. 14, 2017, PCT No. PCT/KR2017/008847
§ 371(c)(1), (2) Date Jan. 10, 2020,
PCT Pub. No. WO2018/174351, PCT Pub. Date Sep. 27, 2018.
Claims priority of application No. 10-2017-0037927 (KR), filed on Mar. 24, 2017.
Prior Publication US 2020/0201075 A1, Jun. 25, 2020
Int. Cl. G02C 7/04 (2006.01); B29D 11/00 (2006.01); B32B 9/00 (2006.01); B32B 9/04 (2006.01); B32B 37/24 (2006.01); G02C 7/10 (2006.01)
CPC G02C 7/049 (2013.01) [B29D 11/00038 (2013.01); B32B 9/007 (2013.01); B32B 9/045 (2013.01); B32B 37/24 (2013.01); G02C 7/104 (2013.01); B29K 2995/0026 (2013.01); B32B 2307/412 (2013.01); B32B 2551/00 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A functional contact lens comprising:
a lens substrate having a spherically curved surface so as to be worn on an eyeball; and
a functional layer provided on at least one surface of the lens substrate and comprising a graphene sheet,
wherein the graphene sheet is provided as a patterned layer on a region of the lens substrate, which covers an outer circumference of an iris of the eyeball, and
wherein the graphene sheet is provided as a full-surface layer on the one surface of the lens substrate.