1
Eric J Tarsa, Brian Thibeault: High output radial dispersing lamp using a solid state light source. Cree Lighting Company, Koppel & Jacobs, February 26, 2002: US06350041 (372 worldwide citation)

The invention provides a new solid state lamp emitting a light useful for room illumination and other applications. It comprises a solid state Light Source which transmits light through a Separator to a Disperser that disperses the light in a desired pattern and/or changes its color. In one embodime ...


2
Brian Thibeault, Michael Mack, Steven DenBaars: Enhanced light extraction in LEDs through the use of internal and external optical elements. Cree Lighting Company, Koppel Jacobs Patrick & Heybl, December 2, 2003: US06657236 (312 worldwide citation)

This invention describes new LEDs having light extraction structures on or within the LED to increase its efficiency. The new light extraction structures provide surfaces for reflecting, refracting or scattering light into directions that are more favorable for the light to escape into the package. ...


3
David B Slater Jr, Robert C Glass, Charles M Swoboda, Bernd Keller, James Ibbetson, Brian Thibeault, Eric J Tarsa: Light emitting diodes including modifications for light extraction. Cree, Myers Bigel Sibley & Sajovec, September 14, 2004: US06791119 (267 worldwide citation)

Light emitting diodes include a substrate having first and second opposing faces and that is transparent to optical radiation in a predetermined wavelength range and that is patterned to define, in cross-section, a plurality of pedestals that extend into the substrate from the first face towards the ...


4
Brian Thibeault, Steven DenBaars: Enhanced light extraction through the use of micro-LED arrays. Cree Lighting Company, Koppel Jacobs Patrick & Heybl, June 25, 2002: US06410942 (258 worldwide citation)

This invention describes new LED structures that provide increased light extraction efficiency. The new LED structures include arrays of electrically interconnected micro-LEDs that have and active layer sandwiched between two oppositely doped layer. The micro-LEDs are formed on a first spreader laye ...


5
Eric J Tarsa, Brian Thibeault, James Ibbetson, Michael Mack: Scalable led with improved current spreading structures. Cree Lighting Company, Koppel Jacobs Patrick & Heybl, September 2, 2003: US06614056 (121 worldwide citation)

An LED with improved current spreading structures that provide enhanced current injection into the LED's active layer, improving its power and luminous flux. The current spreading structures can be used in LEDs larger than conventional LEDs while maintaining the enhanced current injection. The ...


6
Brian Thibeault, Michael Mack, Steven DenBaars: Enhanced light extraction in LEDs through the use of internal and external optical elements. Cree, Koppel Jacobs Patrick & Heybl, November 23, 2004: US06821804 (103 worldwide citation)

This invention describes new LEDs having light extraction structures on or within the LED to increase its efficiency. The new light extraction structures provide surfaces for reflecting, refracting or scattering light into directions that are more favorable for the light to escape into the package. ...


7
James Ibbetson, Brian Thibeault: High efficiency light emitters with reduced polarization-induced charges. Cree Lighting Company, Koppel Jacobs Patrick & Heybl, February 4, 2003: US06515313 (94 worldwide citation)

Naturally occurring polarization-induced electric fields in a semiconductor light emitter with crystal layers grown along a polar direction are reduced, canceled or reversed to improve the emitter's operating efficiency and carrier confinement. This is accomplished by reducing differences in th ...


8
Eric J Tarsa, Brian Thibeault, James Ibbetson, Michael Mack: Scalable LED with improved current spreading structures. Cree, Koppel Jacobs Patrick & Heybl, April 26, 2005: US06885036 (49 worldwide citation)

An LED with improved current spreading structures that provide enhanced current injection into the LED's active layer, improving its power and luminous flux. The current spreading structures can be used in LEDs larger than conventional LEDs while maintaining the enhanced current injection. The inven ...


9
John Adam Edmond, Brian Thibeault, David Beardsley Slater Jr, Gerald H Negley, Van Allen Mieczkowski: Robust Group III light emitting diode for high reliability in standard packaging applications. Cree, Summa & Allan P A, November 30, 2004: US06825501 (46 worldwide citation)

A physically robust light emitting diode is disclosed that offers high-reliability in standard packaging and that will withstand high temperature and high humidity condition. The diode comprises a Group III nitride heterojunction diode with a p-type Group III nitride contract layer, an ohmic contact ...


10
David Kapolnek, Brian Thibeault: Fabrication of semiconductor materials and devices with controlled electrical conductivity. Cree Lighting Company, Kopel Jacobs Patrick & Heybl, December 24, 2002: US06498111 (41 worldwide citation)

A method for protecting the surface of a semiconductor material from damage and dopant passivation is described. A barrier layer of dense or reactive material is deposited on the semiconductor material shortly after growth in a growth reactor such as a MOCVD reactor, using the MOCVD source gasses. T ...