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:
May. 28, 2013
Filed:
Jul. 08, 2010
Hwa Su, Taipei, TW;
Hsi-yan Chou, Taipei, TW;
Yu-min LI, Zhongli, TW;
Yu-chou HU, Mingjian Township, TW;
Chih Wei Huang, Linyuan Township, TW;
Tzu-chi Cheng, Taoyuan, TW;
Hwa Su, Taipei, TW;
Hsi-Yan Chou, Taipei, TW;
Yu-Min Li, Zhongli, TW;
Yu-Chou Hu, Mingjian Township, TW;
Chih Wei Huang, Linyuan Township, TW;
Tzu-Chi Cheng, Taoyuan, TW;
InterLight Optotech Corporation, Taoyuang, TW;
Abstract
A light emitting device comprises: an LED chip array comprising a plurality of LEDs formed on a single die (monolithic chip array) and at least one discrete LED that is separate from the LED chip array connected in series with the LED chip array. In an AC-drivable device the LED chip array is AC-drivable and two or more discrete LEDs are configured to be AC-drivable. The device can further comprise a package in which the LED chip array and discrete LED(s) are mounted. The discrete LEDs are configured such that positive and negative half wave periods of an AC drive voltage are mapped onto oppositely connected LED such that oppositely connected LED chips are alternately operable on a respective half wave period.