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:
Jan. 06, 2026
Filed:
Feb. 29, 2024
Industrial Technology Research Institute, Hsinchu, TW;
Tzung-Te Chen, Taipei, TW;
Wei-Ting Yen, Taipei, TW;
Hsin-Yun Tsai, Hsinchu County, TW;
Shih-Yi Wen, Hsinchu, TW;
Chia-Fen Hsieh, Hsinchu County, TW;
Industrial Technology Research Institute, Hsinchu, TW;
Abstract
A light source device, including a first light source, providing a first light beam in a first time period of a first period; and a second light source, providing a second light beam in a second time period of the first period, is provided. The first light beam and the second light beam have the same color temperature. The first light beam and the second light beam are emitted alternately in the first period, and a color rendering index of mixed light of the first light beam and the second light beam is greater than or equal to 85.