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Dive into the research topics where Ronan Letoquin is active.

Publication


Featured researches published by Ronan Letoquin.


Archive | 2007

Multi-chip light emitting device lamps for providing high-CRI warm white light and light fixtures including the same

Nicholas W. Medendorp; Mark Mcclear; Bernd P. Keller; George R. Brandes; Ronan Letoquin


Archive | 2011

High cri lighting device with added long-wavelength blue color

Gerald H. Negley; Antony Paul Van de Ven; Bernd P. Keller; Ronan Letoquin; Peter S. Andrews


Archive | 2013

Led based pedestal-type lighting structure

Tao Tong; Ronan Letoquin; Bernd Keller; Theodore Lowes; Eric Tarsa; Mark Youmans


Archive | 2011

Solid state lamp and bulb

Long Larry Le; Paul Kenneth Pickard; James Michael Lay; Tao Tong; Ronan Letoquin; Bernd Keller; Eric Tarsa; Mark Youmans; Theodore Lowes; Nicholas W. Medendorp; Antony Paul Van de Ven; Gerald H. Negley


Archive | 2011

Lighting Devices Having Remote Lumiphors that are Excited by Lumiphor-Converted Semiconductor Excitation Sources

Paul Kenneth Pickard; Antony Paul Van de Ven; Ronan Letoquin


Archive | 2007

Method of uniform phosphor chip coating and LED package fabricated using method

Ban P. Loh; Nicholas W. Medendorp; Peter S. Andrews; Yankun Fu; Michael P. Laughner; Ronan Letoquin


Archive | 2010

Non-uniform diffuser to scatter light into uniform emission pattern

Tao Tong; Ronan Letoquin; Bernd Keller; Eric Tarsa; Mark Youmans; Theodore Lowes; Nicholas W. Medendorp; Antony Paul Van de Ven; Gerald H. Negley; Peter Guschl; Zongjie Yuan


Archive | 2007

Single Crystal Phosphor Light Conversion Structures for Light Emitting Devices

Ronan Letoquin; Nicholas W. Medendorp; Bernd P. Keller; Arpan Chakraborty


Archive | 2011

Enhanced color rendering index emitter through phosphor separation

Tao Tong; Ronan Letoquin; Bernd Keller; James Ibbetson; Gerald H. Negley


Archive | 2011

Solid state lamp with thermal spreading elements and light directing optics

Eric Tarsa; Ronan Letoquin; Tao Tong; Bernd Keller

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Bernd Keller

University of California

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