US 12,405,438 B2
Lens device
Guo-Quan Lin, ShenZhen (CN)
Assigned to SINTAI OPTICAL (SHENZHEN) CO., LTD., Shenzhen (CN); and ASIA OPTICAL CO., INC., Taichung (TW)
Filed by Sintai Optical (Shenzhen) Co., Ltd., ShenZhen (CN); and Asia Optical Co., Inc., Taichung (TW)
Filed on Jun. 22, 2022, as Appl. No. 17/846,230.
Claims priority of application No. 202110805132.1 (CN), filed on Jul. 16, 2021.
Prior Publication US 2023/0018568 A1, Jan. 19, 2023
Int. Cl. G02B 7/02 (2021.01); H05K 1/18 (2006.01)
CPC G02B 7/025 (2013.01) [G02B 7/022 (2013.01); H05K 1/181 (2013.01); H05K 1/189 (2013.01); H05K 2201/10121 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A lens device, comprising:
a base;
a guiding unit disposed on the base in a first direction;
a plurality of lens groups disposed on the base and comprising at least one movable lens group that is movable along the guiding unit;
a flexible printed circuit board fixed to the movable lens groups, and bent in the first direction to form a bent portion;
wherein the guiding unit is disposed in contact with a top of the bent portion of the flexible printed circuit board;
wherein the movable lens group comprises a lens frame and a lens fixed to the lens frame;
wherein the lens frame comprises an extending portion which comprises a bottom and an inclined surface formed on the bottom;
wherein the flexible printed circuit board is extended out of the bottom of the extending portion, along the inclined surface, and in contact with the guiding unit.