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:
Nov. 13, 2012
Filed:
Feb. 28, 2008
Wei-jen Chou, Hsinchu, TW;
Chien-chung Hsiao, Hsinchu, TW;
Bor-jyh Pan, Hsinchu, TW;
Chiao-chih Yang, Hsinchu, TW;
Wei-Jen Chou, Hsinchu, TW;
Chien-Chung Hsiao, Hsinchu, TW;
Bor-Jyh Pan, Hsinchu, TW;
Chiao-Chih Yang, Hsinchu, TW;
Young Lighting Technology Inc., Hsinchu, TW;
Abstract
A surface light source structure having a circuit board, a first light emitting diode (LED) array, and a second LED array is provided. The first and second LED arrays are assembled on the circuit board. Each LED rows of the two LED arrays has a plurality of LED units connected in series. The LED rows of the first LED array are connected in parallel. The LED rows of the second LED array are connected in parallel. The LED rows of the second LED array are intersected between the LED rows of the first LED array. Positive-to-negative directions of the LED units of the first and second LED array are arranged in opposite directions.