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. 30, 2022
Filed:
Aug. 29, 2021
E Ink Holdings Inc., Hsinchu, TW;
Chao-Chun Cheng, Hsinchu, TW;
E Ink Holdings Inc., Hsinchu, TW;
Abstract
A light source module, including a circuit board, a light-emitting element, a light-guiding plate, a first waterproof layer, a second waterproof layer, and a third waterproof layer, is provided. The light-emitting element is configured on the circuit board. The light-guiding plate includes at least one through hole. The circuit board is configured on a first surface of the light guide plate so that the light-emitting element inserts into the at least one through hole. The first waterproof layer is located on a second surface of the light-guiding plate that is opposite to the first surface, and covers the at least one through hole. The second waterproof layer is located between the first surface and the circuit board. The third waterproof layer is located between the second surface and the first waterproof layer.