The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 16, 2022
Filed:
Aug. 03, 2018
Ningbo Sunny Opotech Co., Ltd., Zhejiang, CN;
NINGBO SUNNY OPOTECH CO., LTD., Zhejiang, CN;
Abstract
A variable aperture device, which is suitable for photographing and filming of a camera module, includes a main body, a fluid passage, and a fluid accommodation cavity, wherein the main body is used to be provided in the camera module, and the main body has a light-transmitting region, the fluid passage is provided in the light-transmitting region of the main body, the fluid accommodation cavity is in communication with the fluid passage for an light-impermeable fluid to be driven to flow back and forth between the fluid accommodation cavity and the fluid passage to enlarge or reduce the light transmission area of the light-transmitting region.