US 12,088,902 B2
Camera module and electronic device
Kanyu Cao, Hefei (CN)
Assigned to CHANGXIN MEMORY TECHNOLOGIES, INC., Hefei (CN)
Filed by CHANGXIN MEMORY TECHNOLOGIES, INC., Hefei (CN)
Filed on Sep. 29, 2022, as Appl. No. 17/955,636.
Application 17/955,636 is a continuation of application No. PCT/CN2022/118317, filed on Sep. 13, 2022.
Claims priority of application No. 202211014502.0 (CN), filed on Aug. 23, 2022.
Prior Publication US 2023/0015891 A1, Jan. 19, 2023
Int. Cl. H04N 23/55 (2023.01); G02B 3/00 (2006.01); G03B 17/08 (2021.01)
CPC H04N 23/55 (2023.01) [G02B 3/0062 (2013.01); G03B 17/08 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A camera module, comprising:
a body and a cover, which are matched to form a sealed cavity;
an image sensor and a micro-lens array, which are disposed in the sealed cavity;
an optical matching medium, filling the sealed cavity;
wherein the cover comprises an objective lens, a center line of the image sensor is coincident with an optical axis of the objective lens, the micro-lens array is located between the image sensor and the objective lens, the optical matching medium is disposed between the objective lens and the micro-lens array, and a refractive index of the optical matching medium is greater than a refractive index of air; and,
wherein the optical matching medium comprises liquid, the body is provided with a first bore, the body or the cover is provided with a second bore, the first bore is configured to allow the liquid in the optical matching medium to enter or exit the sealed cavity, and the second bore is configured to cooperate with the first bore to allow the liquid in the optical matching medium to enter or exit the sealed cavity.