1
Karl W Beeson, Scott M Zimmerman: Illumination systems utilizing multiple wavelength light recycling. Goldeneye, William Propp Esq, May 9, 2006: US07040774 (136 worldwide citation)

An illumination system has a light source and a wavelength conversion layer within a light-recycling envelope. The light source is a light-emitting diode or a semiconductor laser. The light source will emit light of a first wavelength range that is transmitted through the wavelength conversion layer ...


2
Karl W Beeson, Scott M Zimmerman: Illumination systems utilizing light emitting diodes and light recycling to enhance output radiance. Goldeneye, William Propp Esq, November 1, 2005: US06960872 (94 worldwide citation)

An illumination system has a light source that is at least partially enclosed within a light-recycling envelope. The light source is a light-emitting diode that emits light, and a fraction of that light will exit the light-recycling envelope through an aperture. The light-recycling envelope recycles ...


3
Scott Moore Zimmerman, Karl Wayne Beeson: Illumination systems utilizing highly reflective light emitting diodes and light recycling to enhance brightness. William Propp Esq, March 22, 2005: US06869206 (93 worldwide citation)

An illumination system that has an output luminance (brightness) LO that is greater than the intrinsic output luminance (brightness) LI of the light emitting diodes used within the system. The system utilizes one or more light emitting diodes having highly reflective surfaces and recycles a portion ...


4
Karl W Beeson, Scott M Zimmerman: Projection display systems utilizing light emitting diodes and light recycling. Goldeneye, William Propp Esq, April 11, 2006: US07025464 (76 worldwide citation)

A projection display system has at least one light-recycling illumination system and at least one imaging light modulator. The light-recycling illumination system includes a light source that is enclosed within a light-recycling envelope. The light source is a light-emitting diode that emits light, ...


5
Karl W Beeson, Scott M Zimmerman: Projection display systems utilizing color scrolling and light emitting diodes. Goldeneye, William Propp Esq, May 23, 2006: US07048385 (68 worldwide citation)

A projection display system has at least one light-recycling illumination system, a color scroller and an imaging light modulator. The light-recycling illumination system includes a light source that is enclosed within a light-recycling envelope. The light source is a light-emitting diode that emits ...


6
Karl W Beeson, Scott M Zimmerman: Side emitting illumination systems incorporating light emitting diodes. Goldeneye, William Propp Esq, November 13, 2007: US07293908 (62 worldwide citation)

The invention is a side-emitting illumination system that incorporates a light emitting diode. The side-emitting illumination system recycles a portion of the light internally generated by a light emitting diode back to the light emitting diode as externally incident light. The light emitting diode ...


7
William R Livesay, Kari W Beeson, Scott M Zimmerman, Chad R Livesay, Richard L Ross: Light emitting diode light source with heat transfer means. Goldeneye, William Propp Esq, February 19, 2008: US07331691 (37 worldwide citation)

High brightness LEDs are mounted directly on a heat pipe or are mounted on a substrate, which is mounted on the heat pipe. The heat pipe can be a common electrode for the LEDs mounted on the heat pipe. Multiple heat pipes can be arranged so that the LED arrays form a light recycling cavity to emit a ...


8
Karl W Beeson, Scott M Zimmerman: Light recycling illumination systems with wavelength conversion. Goldeneye, William Propp Esq, March 3, 2009: US07497581 (37 worldwide citation)

An illumination system has a light source and a wavelength conversion layer within a light-recycling envelope. The wavelength conversion layer is a solid phosphor layer. The light source is a light-emitting diode or a semiconductor laser. The light source will emit light of a first wavelength range ...


9
Karl W Beeson, Scott M Zimmerman: Light emitting diode and side emitting lens. Goldeneye, William Propp Esq, May 27, 2008: US07378686 (26 worldwide citation)

The invention is an illumination system that incorporates a light emitting diode and a side-emitting light-recycling lens. The side-emitting light-recycling lens recycles part of the light internally generated by a light emitting diode back to the light emitting diode as externally incident light. T ...


10
Karl W Beeson, Scott M Zimmerman: Light recycling illumination systems utilizing light emitting diodes. Goldeneye, William Propp Esq, April 1, 2008: US07352124 (10 worldwide citation)

This invention is an illumination system that incorporates a light emitting diode and a partially reflecting optical element. The light emitting diode emits internally generated light and reflects incident light with high reflectivity. The partially reflecting optical element transmits a first porti ...