Van Sprang
Hans Van Sprang, Eindhoven NL
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20090236960 | ELECTRIC LAMP AND INTERFERENCE FILM - An electric lamp has a light-transmitting lamp vessel ( | 09-24-2009 |
20100102759 | LIGHT SOURCE AND METHOD FOR OPERATING A LIGHTING SYSTEM - The invention relates to a light source for generating light having a spectral emittance in at least a part of the range of 380 nm to 780 nm, the light having a spectral power distribution E(λ) as a function of the wavelength λ, and a general color-rendering index Ra, wherein the ratio of the integral spectral power distribution over a first range of 575 nm≦λ≦650 nm to that of a second range of 380 nm≦λ≦780 nm is given by the relation: and wherein B | 04-29-2010 |
Hans Van Sprang, Waalre NL
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20110293231 | OPTICAL FACEPLATE AND METHOD OF MANUFACTURE - Optical faceplates and methods for manufacturing same are disclosed. An optical faceplate ( | 12-01-2011 |
Hendrick Adrianus Van Sprang, Eindhoven NL
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20110262116 | INFRARED FILTER OF A LIGHT SOURCE FOR HEATING AN OBJECT - Infrared filler of a light source for healing an object The invention relates to an optical interface for transmitting at least some infrared rays emitted from at least one light source so as to heat an object above a threshold temperature, wherein the object stops to transmit and absorbs from an infrared wavelength threshold, the optical interface comprising: a substrate; an interference filter on the substrate having an infrared spectral transmission T exhibiting: a first portion in the near infrared with high T, a second portion in the far infrared with low T, and an intermediary portion between first and second portions, comprising a spectral transition between high T and low T, having T=50% at a wavelength λ | 10-27-2011 |
Hendrik A. Van Sprang, Waalre NL
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20110242526 | LIGHT DIRECTIONALITY SENSOR - The present invention relates to light sensors for measuring light characteristics. In particular, the present invention relates to a light directionality sensor that is capable of measuring light characteristics such as the light direction, light collimation, and light distribution. According to a first aspect of the present invention there is provided a light directionality sensor comprising a photo-sensor ( | 10-06-2011 |
Hendrik Adrianus Van Sprang, Eindhoven NL
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20100246626 | SIDE-EMITTING LED LIGHT SOURCE FOR BACKLIGHTING APPLICATIONS - This invention relates to a side-emitting light device comprising two sub-assemblies which are optically bonded together. Each sub-assembly comprises a substrate, at least one light source disposed on the substrate, and a luminescent plate optically bonded with the at least one light source. The light source emits light of a wavelength capable of exciting luminescence light from the luminescent plate. The two sub-assemblies are arranged having the free surface of the luminescent plates facing each other. The side-emitting light device is for instance applicable for light sources comprising naked dies arranged with Thin Film Flip Chip (TFFC) technique or laser diodes. | 09-30-2010 |
20100270572 | PHOTONIC CRYSTAL LED - A semiconductor light emitting diode ( | 10-28-2010 |
20110073898 | LED MODULE - The present invention relates to a LED module which converts pump light from a LED chip ( | 03-31-2011 |
20110205750 | LIGHTING ASSEMBLY - A lighting assembly has a light source emitting light, an angular filter having a main surface, and a light guide having a main surface. The main surface of the filter is parallel to the main surface of the light guide. The filter may be configured to reflect light rays originating from the light source that are incident at small angles with respect to a direction normal to the main surface of the filter, and to transmit light rays originating from the light source that are incident at larger angles with respect to the direction normal to the main surface of the filter. | 08-25-2011 |
Hendrik Adrianus Van Sprang, Waalre NL
Patent application number | Description | Published |
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20120076167 | SIDE-EMITTING LED LIGHT SOURCE FOR BACKLIGHTING APPLICATIONS - Disclosed is a side-emitting light device comprising two sub-assemblies which are optically bonded together. Each sub-assembly comprises a substrate, at least one light source disposed on the substrate, and a luminescent plate optically bonded with the at least one light source. The light source emits light of a wavelength capable of exciting luminescence light from the luminescent plate. The two sub-assemblies are arranged having the free surface of the luminescent plates facing each other. The side-emitting light device is for instance applicable for light sources comprising naked dies arranged with Thin Film Flip Chip (TFFC) technique or laser diodes. | 03-29-2012 |
20130193838 | LED MODULE - The present invention relates to a LED module which converts pump light from a LED chip ( | 08-01-2013 |
20130200416 | LED MODULE - The present invention relates to a LED module which converts pump light from a LED chip ( | 08-08-2013 |