LED illumination device having a first LED chip and a second LED chip, and a method for the production thereof
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Nov 28, 2013
app pub date -
Jan 25, 2012
filing date -
Feb 9, 2011
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
An LED illumination device (10) having a first LED chip (1) and a second LED chip (2) is described, wherein the first LED chip (1) is suitable to emit radiation having a first emission characteristic (A1) and the second LED chip (2) is suitable to emit radiation having a second emission characteristic (A2). The first emission characteristic (A1) and the second emission characteristic (A2) have temperature-dependent changes (ΔA1T, ΔA1T), wherein the temperature-dependent change (ΔA1T) in the first emission characteristic (A1) and the temperature-dependent change (ΔA2T) in the second emission characteristic (A2) are, in operation, at least partially compensated for or are synchronised with respect to each other such that the chromaticity co-ordinate remains stable. Furthermore, a method for producing such an illumination device (10) is described.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully