Title:
DESK LAMP WITH ADJUSTABLE COLOUR TEMPERATURE
Document Type and Number:
WIPO Patent Application WO/2014/194652
Kind Code:
A1
Abstract:
Disclosed is a desk lamp with an adjustable colour temperature, comprising a supporting seat (101), wherein the supporting seat is provided with a substrate and a control circuit, the substrate is provided with at least two white LED chips (102) with different colour temperatures, and the white LED chips are respectively controlled by the control circuit. The two white LED chips with different colour temperatures are respectively controlled by the control circuit. White light rays with different colour temperatures are synthesized by a drive current of the control circuit. The structure is simple and reasonable, and the production cost is low, thereby having wide applicability. The desk lamp can obtain different colour temperatures by adjustment, and is easy for a user to use.
Inventors:
CHEN QI (CN)
Application Number:
PCT/CN2013/090174
Publication Date:
December 11, 2014
Filing Date:
December 22, 2013
Export Citation:
Assignee:
CHEN QI (CN)
International Classes:
F21S6/00; F21V21/14; F21V23/00; F21Y101/02
Foreign References:
| CN203298062U | 2013-11-20 | |||
| CN201851937U | 2011-06-01 | |||
| CN101494939A | 2009-07-29 | |||
| CN201866600U | 2011-06-15 |
Attorney, Agent or Firm:
YOGO PATENT & TRADE MARK AGENCY LIMITED COMPANY (CN)
广州粤高专利商标代理有限公司 (CN)
广州粤高专利商标代理有限公司 (CN)
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