1
Leendert Vriens, Gerard Acket, Cornelis Ronda: UV/blue led-phosphor device with efficient conversion of UV/blues light to visible light. Philips Electronics North America Corporation, John C Fox, September 29, 1998: US05813753 (550 worldwide citation)

A light emitting device for use in lighting and/or display applications includes a UV/blue LED located in a depression having reflecting sidewalls, a light transmitting material surrounding the LED and filling the depression, and a phosphor in the form of particles either dispersed in the light tran ...


2
Markus Haase, Ulrich Kynast, Herbert Boerner, Cornelis Ronda: Organic electroluminescent component with charge transport layer. U S Philips Corporation, Norman N Spain, November 23, 1999: US05989738 (26 worldwide citation)

An organic electroluminescent component with a layer arrangement includes a first electrode layer, an inorganic layer which conducts electrons, one or several optoelectronically active layers with at least one light-emitting layer which comprises an organic emitter, and a second electrode layer. The ...


3
Herbert Boerner, Thomas Justel, Hans Nikol, Cornelis Ronda: Diode-addressed color display with molecular phosphor. U S Philips Corporation, John C Fox, April 18, 2000: US06051925 (13 worldwide citation)

A diode-addressed color display comprising an UV-diode and a phosphor of the general formula [Eu(diketonate).sub.a X.sub.b1 X'.sub.b2 ], wherein X=pyridine or a unidentate pyridine derivative and X'=2,2'-bipyridine or a 2,2'-bipyridyl derivative and 2a+b.sub.1 +2b.sub.2 =8, is characterized by a hig ...


4
Michael Bredol, Jacqueline Merikhi, Cornelis Ronda: Method of manufacturing ZnS particles. U S Philips Corporation, Norman N Spain, March 12, 1996: US05498369 (7 worldwide citation)

The invention relates to a method of manufacturing ZnS particles by wet-chemical precipitation from aqueous zinc salt solutions, ZnS being precipitated onto nuclei introduced into the solution. Nuclei of a controlled particle size and particle size distribution are obtained in that the nuclei of the ...


5
Helmut Bechtel, Hans Nikol, Cornelis Ronda, Thomas Jüstel: Liquid crystal color display screen comprising a phosphor layer. Koninklijke Philips Electronics, Dicran Halajian, November 25, 2003: US06654079 (7 worldwide citation)

A liquid crystal color display screen is provided with an electro-optical medium, two parallel transparent substrates by which the electro-optical medium is flanked, a device that influences the transmission state of the electro-optical medium, and a phosphor layer having at least two phosphors on t ...


6
Thomas Justel, Cornelis Ronda, Volker Weiler: Plasma picture screen with coated phosphor. Koninklijke Philips Electronics, Aaron Waxler, August 5, 2003: US06602617 (3 worldwide citation)

A plasma picture screen with a phosphor preparation comprising a phosphor with a coating which comprises a phosphate MPO


7
Cornelis Ronda, Herbert Schreinemacher, Guenter Zeltier, Norbert Conrads, Simha Levene: Scintillating material and related spectral filter. Koninklijke Philips Electronics, July 23, 2013: US08492724 (1 worldwide citation)

A host lattice modified GOS scintillating material and a method for using a host lattice modified GOS scintillating material is provided. The host lattice modified GOS scintillating material has a shorter afterglow than conventional GOS scintillating material. In addition, a radiation detector and a ...


8
Cornelis Ronda, Guido Hutten, Michael Bredol, Ulrich Kynast, Thomas Rink: Method of coating red-luminescing phosphor particles with hematite. U S Philips Corporation, Ernestine C Bartlett, February 7, 1995: US05387436 (1 worldwide citation)

The invention relates to a method of coating red-luminescing phosphor particles with hematite (.alpha.--Fe.sub.2 O.sub.3), whereby first Fe(OH).sub.3 is deposited on the phosphor particles and subsequently converted into .alpha.--Fe.sub.2 O.sub.3 at a raised temperature. A good adhesion of the hemat ...


9
Cornelis Ronda, Herbert Schreinemacher, Guenter Zeitler, Norbert Conrads, Simha Levene: Scintillating material and related spectral filter. KONINKLIJKE PHILIPS, May 2, 2017: US09638807

A host lattice modified GOS scintillating material and a method for using a host lattice modified GOS scintillating material is provided. The host lattice modified GOS scintillating material has a shorter afterglow than conventional GOS scintillating material. In addition, a radiation detector and a ...


10
Thomas Jüstel, Cornelis Ronda, Franscisus Altena, Wolfgang Busselt, Olaf Mastenbroek, Hans Helmut Bechtel: Tanning device. Koninklijke Philips Electronics, October 30, 2007: US07288107

A tanning device is described by which the bluish light emitted by mercury vapor lamps is converted into yellow or white light. For this purpose, the mercury lamps, or the sheets of transparent plastics material covering these lamps, are doped or coated with one or more organic or inorganic fluoresc ...