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Driving Circuit of Light Emitting Device Cross-reference to Related Applications
| Content Provider | Semantic Scholar |
|---|---|
| Copyright Year | 2017 |
| Abstract | YOO, Suwon (KR) There is provided a driving circuit of a light emitting device. The driving circuit of a light emitting may include: a DC/DC Correspondence Address: converter converting an input DC voltage into an output DC LOWE HAUPTMAN HAM & BERNER, LLP Voltage; a light emitting device block including a plurality of 1700 DIAGONAL ROAD, SUITE 300 LED groups connected to an output terminal of the DC/DC ALEXANDRIA, VA 22314 (US) converter, a current source circuit unit including a plurality of current sources; a Voltage detection unit detecting the output Assignee: Samsung Electro-Mechanics Co., DC voltage of the DC/DC converter; a minimum voltage Ltd., Suwon (KR) detection unit detecting a minimum Voltage among a plurality of voltages between the plurality of LED groups and the Appl. No.: 12/251,176 plurality of current sources, respectively; and a single com parator including a first non-inverting input terminal receiv Filed: Oct. 14, 2008 ing the Voltage detected by the Voltage detection unit, a sec ond non-inverting input terminal receiving the minimum Foreign Application Priority Data Voltage detected by the minimum Voltage detection unit, and an inverting input terminal receiving a predetermined refer Jun. 3, 2008 (KR) ........................ 10-2008-OO52011 ence Voltage. |
| File Format | PDF HTM / HTML |
| Alternate Webpage(s) | https://patentimages.storage.googleapis.com/6f/bb/1c/06dda3a45b4e17/US20090295775A1.pdf |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |