Illumination device and method for controlling an illumination device over changes in drive current and temperature
DJ Knapp, JA Savage - US Patent 9,392,663, 2016 - Google Patents
An illumination device and method is provided herein for controlling individual light emitting
diodes (LEDs) in an LED illumination device, so that a desired luminous flux and a desired …
diodes (LEDs) in an LED illumination device, so that a desired luminous flux and a desired …
Luminance control for illumination devices
DJ Knapp - US Patent 8,749,172, 2014 - Google Patents
The illumination LED provide illumination during normal operation of the device, whereas
the reference LED provides a reference illumination, but does not provide illumination …
the reference LED provides a reference illumination, but does not provide illumination …
Intelligent illumination device
DJ Knapp - US Patent 9,509,525, 2016 - Google Patents
Intelligent illumination device are disclosed that use com ponents in an LED light to perform
one or more of a wide variety of desirable lighting functions for very low cost. The LEDs that …
one or more of a wide variety of desirable lighting functions for very low cost. The LEDs that …
Lighting control system
DJ Knapp, HC Ho, J Lewis - US Patent 9,386,668, 2016 - Google Patents
Intelligent illumination device are disclosed that use components in an LED light to perform
one or more of a wide variety of desirable lighting functions for very low cost. The LEDs that …
one or more of a wide variety of desirable lighting functions for very low cost. The LEDs that …
LED illumination device and calibration method for accurately characterizing the emission LEDs and photodetector (s) included within the LED illumination device
AJ Dias, JE Lewis - US Patent 9,392,660, 2016 - Google Patents
An illumination device and method is provided herein for calibrating individual LEDs and
photodetector (s) included within the illumination device, so as to obtain a desired lumi nous …
photodetector (s) included within the illumination device, so as to obtain a desired lumi nous …
Emitter module for an LED illumination device
KL Chang, M Malone, HC Ho - US Patent 10,161,786, 2018 - Google Patents
An illumination device comprises one or more emitter modules having improved thermal and
electrical characteristics. According to one embodiment, each emitter module comprises a …
electrical characteristics. According to one embodiment, each emitter module comprises a …
Illumination device and age compensation method
HC Ho, JE Lewis, DJ Knapp - US Patent 9,769,899, 2017 - Google Patents
An illumination device and method is provided herein for controlling individual light emitting
diodes (LEDs) in an LED illumination device, so that a desired luminous flux and a desired …
diodes (LEDs) in an LED illumination device, so that a desired luminous flux and a desired …
System and method of extending the communication range in a visible light communication system
DJ Knapp, HC Ho - US Patent 10,210,750, 2019 - Google Patents
(57) ABSTRACT A system, remote control device and method are provided herein for
communicating with and controlling various devices using visible light communication …
communicating with and controlling various devices using visible light communication …
Optical communication device, method and system
DJ Knapp - US Patent 8,886,047, 2014 - Google Patents
US8886047B2 - Optical communication device, method and system - Google Patents
US8886047B2 - Optical communication device, method and system - Google Patents Optical …
US8886047B2 - Optical communication device, method and system - Google Patents Optical …
Illumination device and method for avoiding flicker
DJ Knapp, HC Ho, JA Savage - US Patent 9,578,724, 2017 - Google Patents
56 References Cited for short durations of time during a first period to take (56) 9. p
measurements or communicate optical data, and increasing US PATENT DOCUMENTS the …
measurements or communicate optical data, and increasing US PATENT DOCUMENTS the …