A lighting device having a plurality of analog LEDs mounted on a substrate, a plurality of
addressable digital LEDs mounted on the substrate, a first LED circuit connected to the …

An LED lighting device comprises: a rectification circuit unit for receiving input power from a
power source unit and outputting a rectified power, an LED unit having a plurality of LED …

(57) ABSTRACT A device for driving several light sources is provided, wherein the several
light sources are arranged in a matrix structure; wherein the several light sources of the …

Various wireless communication methods are provided for controlling two or more wireless
devices. In one embodi ment, various processes optimize the wireless communica tion …

A lighting device having an AC/DC or DC/DC power converter, a controller/processor
electrically connected to the power converter, a LED current control circuit communicably …

G05F I/00(2006.01) Disclosed are a direct current converter and an organic light H02M
I/32(2007.01) emitting display including the converter. The converter H02M 3/56(2006.01) …

Current source regulation circuitry that is arranged in a loop with power supply circuitry and
current source circuitry. The current source regulation circuitry is configured to control the …

ABSTRACT A wireless control device includes a power source, one or more sensors, one or
more switches, a wireless transceiver circuit, an antenna connected to the wireless …

(57) ABSTRACT A device for driving several light sources is suggested comprising a shift
register comprising at least two cells, wherein an output of each cell controls one of the …

7,038,398 B1 7,038,399 B2 7,079,808 B2 7,113,541 B1 7,126,291 B2 7,167,777 B2
7,186,003 B2 7,202,613 B2 7,228,190 B2 7,231,060 B2 7,303,300 B2 7,308,296 B2 …