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:
Feb. 10, 2026
Filed:
Aug. 26, 2025
Qingdao Zhuoyingshe Technology Co., Ltd., Qingdao, CN;
QINGDAO ZHUOYINGSHE TECHNOLOGY CO., LTD., Qingdao, CN;
Abstract
The application provides a composite surface light source of a refrigerator air duct, comprising: a diffusion layer; a light guide layer; a wire harness, connected with a LED light bar; and an air duct injection mold, arranged as a sunken frame structure, and a glue-dispensing groove and a wire-threading slot are provided at an edge thereof; wherein, the wire harness, the LED light bar and the light guide layer are disposed in the air duct injection mold, and the LED light bar directly faces the light guide layer; a glue layer is arranged in the glue-dispensing groove, and the diffusion layer is pressed to connect with the air duct injection mold through the glue layer; and an end of the wire harness penetrates the wire-threading slot, and a sealant is arranged in the wire-threading slot.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile