1
William David Collins III, Michael R Krames, Godefridus Johannes Verhoeckx, Nicolaas Joseph Martin van Leth: Phosphor-converted light emitting device. Lumileds Lighting U S, Rachel V Leiterman, Patent Law Group, November 4, 2003: US06642652 (292 worldwide citation)

A light source is disclosed that includes a light emitting device such as a III-nitride light emitting diode covered with a luminescent material structure, such as a single layer or multiple layers of phosphor. Any variations in the thickness of the luminescent material structure are less than or eq ...


2
Christopher H Lowery: Non-incandescent lightbulb package using light emitting diodes. LumiLeds Lighting U S, Brian D Ogonowsky, Rachel V Leiterman, Skjerven Morrill MacPherson, January 7, 2003: US06504301 (290 worldwide citation)

An LED package and a method of fabricating the LED package utilize a prefabricated fluorescent member that contains a fluorescent material that can be separately tested for optical properties before assembly to ensure the proper performance of the LED package with respect to the color of the output ...


3
Robert S West, Gary D Sasser, James W Stewart: Side emitting light emitting device. Lumileds Lighting U S, Rachel V Leiterman, Patent Law Group, July 29, 2003: US06598998 (265 worldwide citation)

A lens mounted to a light emitting diode package internally redirects light within the lens so that a majority of light is emitted from the lens approximately perpendicular to a package axis of the light emitting diode package. In one embodiment, the light emitted by the light emitting diode package ...


4
William David Collins III, Jerome Chandra Bhat, Daniel Alexander Steigerwald: Monolithic series/parallel led arrays formed on highly resistive substrates. Lumileds Lighting U S, Rachel V Leiterman, Brian D Ogonowsky, Patent Law Group, April 15, 2003: US06547249 (208 worldwide citation)

Series or parallel LED arrays are formed on a highly resistive substrate, such that both the p- and n-contacts for the array are on the same side of the array. The individual LEDs are electrically isolated from each other by trenches or by ion implantation. Interconnects deposited on the array conne ...


5
Daniel A Steigerwald, Steven D Lester, Jonathan J Wierer Jr: Highly reflective ohmic contacts to III-nitride flip-chip LEDs. Lumileds Lighting U S, Rachel V Leiterman, Patent Law Group, June 3, 2003: US06573537 (203 worldwide citation)

An inverted III-nitride light-emitting device (LED) with highly reflective ohmic contacts includes n- and p-electrode metallizations that are opaque, highly reflective, and provide excellent current spreading. The n- and p-electrodes each absorb less than 25% of incident light per pass at the peak e ...


6
William David Collins III, Michael R Krames, Godefridus Johannes Verhoeckx, Nicolaas Joseph Martin van Leth: Using electrophoresis to produce a conformally coated phosphor-converted light emitting semiconductor. Lumileds Lighting U S, Rachel V Leiterman, Brian D Ogonowsky, Patent Law Group, June 10, 2003: US06576488 (181 worldwide citation)

Presented is a method of conformally coating a light emitting semiconductor structure with a phosphor layer to produce a substantially uniform white light. A light emitting semiconductor structure is coupled to a submount, a first bias voltage is applied to the submount, and a second bias voltage is ...


7
Daniel A Steigerwald, Serge L Rudaz, Kyle J Thomas, Steven D Lester, Paul S Martin, William R Imler, Robert M Fletcher, Fred A Kish Jr, Steven A Maranowski: Electrode structures for light emitting devices. LumiLeds Lighting U S, Brian D Ogonowsky, Rachel V Leiterman, Skjerven Morrill MacPherson, October 23, 2001: US06307218 (169 worldwide citation)

A light emitting device includes a heterojunction having a p-type layer and an n-type layer. The n-electrode is electrically connected to the n-type layer while the p-electrode is electrically connected to the p-type layer. The p and n-electrodes are positioned to form a region having uniform light ...


8
Regina B Mueller Mach, Gerd O Mueller, Tomas J├╝estel, Peter Schmidt: Red-deficiency compensating phosphor light emitting device. Lumileds Lighting U S, Rachel V Leiterman, Patent Law Group, January 20, 2004: US06680569 (159 worldwide citation)

A light emitting device includes a light source that emits first light in response to an electrical signal, and a fluorescent layer positioned over the light source. The fluorescent layer includes a first fluorescent material which radiates second light and a second fluorescent material which radiat ...


9
Robert S West, Gary D Sasser, James W Stewart: Lens and lens cap with sawtooth portion for light emitting diode. Lumileds Lighting U S, Rachel V Leiterman, Patent Law Group, August 19, 2003: US06607286 (154 worldwide citation)

A lens mounted to a light emitting diode package internally redirects light within the lens so that a majority of light is emitted from the lens approximately perpendicular to a package axis of the light emitting diode package. In one embodiment, the light emitted by the light emitting diode package ...


10
Christopher H Lowery: Stenciling phosphor layers on light emitting diodes. Lumileds Lighting U S, Rachel V Leiterman, Patent Law Group, November 18, 2003: US06650044 (154 worldwide citation)

A method for forming a luminescent layer on a light emitting semiconductor device includes positioning a stencil on a substrate such that a light emitting semiconductor device disposed on the substrate is located within an opening in the stencil, depositing a stenciling composition including lumines ...