Patent ID: 11924534
Assignee: LARGAN PRECISION CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 38:
39. A lens assembly, having an optical path, and the lens assembly comprising:
a light-transmittable component, having an optical portion, wherein the optical path passes through the optical portion; and
a light-blocking membrane layer, coated on the light-transmittable component and adjacent to the optical portion, wherein the light-blocking membrane layer further has a plurality of light-blocking areas that are spaced apart from one another, the plurality of light-blocking areas comprise a main light-blocking area, a first light-blocking area and a second light-blocking area, the second light-blocking area is located between the main light-blocking area and the first light-blocking area, the first light-blocking area is located closer to the optical path than the second light-blocking area, the first light-blocking area comprises a plurality of spots, the second light-blocking area comprises a plurality of spots, and a size of each of the plurality of spots of the first light-blocking area is different from a size of each of the plurality of spots of the second light-blocking area;
wherein a shortest distance between one of the plurality of spots of the first light-blocking area and a part of the main light-blocking area and the second light-blocking area is D1, a shortest distance between one of the plurality of spots of the second light-blocking area and a part of the main light-blocking area and the first light-blocking area is D2, and the following condition is satisfied:

0.15≤D2/D1≤1.5.