Patent ID: 11927747
Assignee: JIANGXI LIANCHUANG ELECTRONIC CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G  H  B | IPC B  G  H

Claim 0:
1. A camera module, comprising:
a lens barrel, having a light entrance;
a first lens, disposed at the light entrance and having an image side surface; and
a heating element, directly engaging with the image side surface to heat the first lens;
wherein the image side surface of the first lens comprises an optical-effective lateral portion and a non-optical-effective lateral portion surrounding the optical-effective lateral portion, the non-optical-effective lateral portion is provided on an edge region of the first lens, and the heating element is disposed only at the non-optical-effective lateral portion;
the heating element comprises a heating film and a buffer layer, both the heating film and the buffer layer are annular, the heating film is attached to the image side surface of the first lens, and the buffer layer is positioned between the heating film and the lens barrel; and the heating film comprises two electrical insulating films and a heating resistor layer, the heating resistor layer is sandwiched between the two electrical insulating films.