US 12,092,900 B2
Optical imaging system
Ju Hwa Son, Suwon-si (KR)
Assigned to Samsung Electro-Mechanics Co., Ltd., Suwon-si (KR)
Filed by Samsung Electro-Mechanics Co., Ltd., Suwon-si (KR)
Filed on Mar. 22, 2023, as Appl. No. 18/187,752.
Application 16/376,152 is a division of application No. 15/468,181, filed on Mar. 24, 2017, granted, now 10,302,904, issued on May 28, 2019.
Application 18/187,752 is a continuation of application No. 17/077,194, filed on Oct. 22, 2020, granted, now 11,635,584.
Application 17/077,194 is a continuation of application No. 16/376,152, filed on Apr. 5, 2019, granted, now 10,852,507, issued on Dec. 1, 2020.
Claims priority of application No. 10-2016-0174950 (KR), filed on Dec. 20, 2016.
Prior Publication US 2023/0244061 A1, Aug. 3, 2023
Int. Cl. G02B 9/62 (2006.01); G02B 13/00 (2006.01); H04M 1/02 (2006.01)
CPC G02B 9/62 (2013.01) [G02B 13/0045 (2013.01); H04M 1/0264 (2013.01)] 9 Claims
OG exemplary drawing
 
1. An optical imaging system comprising:
a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens sequentially disposed from an object side to an imaging plane,
wherein the second lens has a concave image-side surface,
wherein the third lens comprises a positive refractive power,
wherein a radius of curvature of an object-side surface of the fifth lens is greater than a radius of curvature of an image-side surface of the fifth lens and a radius of curvature of an object-side surface of the sixth lens,
wherein TTL/2lmgHT<0.695 in which TTL represents a distance from an object-side surface of a lens closest to the object side among the plurality of lenses to an imaging plane and 2lmgHT represents a diagonal length of an imaging plane, and
wherein an Abbe number of the second lens is 21 or less.