Blackbrite ApS Patent applications |
Patent application number | Title | Published |
20150377454 | RADIATION EMITTING ELEMENT AND A METHOD OF PROVIDING IT - A radiation emitting element comprising a radiation transmissive element having a first refractive index, a first surface, a second, opposite surface, a radiation emitter adapted to emit radiation of a predetermined wavelength into the radiation transmissive element, and a plurality of radiation controlling elements, wherein each radiation controlling element comprises: a first liquid having a second refractive index, a second fluid having a third refractive index being lower than the second refractive index, the second refractive index being closer to the first refractive index than the third refractive index, means for altering a shape of the first liquid between two modes wherein: in a first mode, the first liquid being in contact with the first surface at a first surface part, and an interface between the first liquid and the second fluid, at the first surface part, is not parallel to the first surface part and in a second mode, a surface of the second fluid, at the first surface part, is at least substantially parallel to the shape of the first surface part, wherein the first liquid has a transmittance of at least 10% at the predetermined wavelength. | 12-31-2015 |
20140092345 | RADIATION EMITTING ELEMENT AND A METHOD OF PROVIDING IT - A radiation emitting element comprising a radiation transmissive element having a first refractive index, a first surface, a second, opposite surface, a radiation emitter adapted to emit radiation of a predetermined wavelength into the radiation transmissive element, and a plurality of radiation controlling elements, wherein each radiation controlling element comprises: a first liquid having a second refractive index, a second fluid having a third refractive index being lower than the second refractive index, the second refractive index being closer to the first refractive index than the third refractive index, means for altering a shape of the first liquid between two modes wherein: in a first mode, the first liquid being in contact with the first surface at a first surface part, and an interface between the first liquid and the second fluid, at the first surface part, is not parallel to the first surface part and in a second mode, a surface of the second fluid, at the first surface part, is at least substantially parallel to the shape of the first surface part, wherein the first liquid has a transmittance of at least 10% at the predetermined wavelength. | 04-03-2014 |
20130182444 | LED HEAD AND PHOTON EXTRACTOR - The invention concerns a semiconductor based light source comprising a back part, a front side and at least one semiconductor chip having an emitting surface, at least one reflective optical element being arranged below said at least one semiconductor chip, a material with low refractive index being disposed on a side of said reflective optical element facing said front side, wherein said semiconductor based light source comprises on said front side a compound material with high refractive index having at least one diffractive optical element embedded therein, such as to direct light incident on said diffractive optical element towards preferred directions. | 07-18-2013 |
20120092748 | RADIATION EMITTING ELEMENT AND A METHOD OF PROVIDING IT - A radiation emitting element comprising a radiation transmissive element having a first refractive index, a first surface, a second, opposite surface, a radiation emitter adapted to emit radiation of a predetermined wavelength into the radiation transmissive element, and a plurality of radiation controlling elements, wherein each radiation controlling element comprises: a first liquid having a second refractive index, a second fluid having a third refractive index being lower than the second refractive index, the second refractive index being closer to the first refractive index than the third refractive index, means for altering a shape of the first liquid between two modes wherein: • in a first mode, the first liquid being in contact with the first surface at a first surface part, and an interface between the first liquid and the second fluid, at the first surface part, is not parallel to the first surface part and • in a second mode, a surface of the second fluid, at the first surface part, is at least substantially parallel to the shape of the first surface part, wherein the first liquid has a transmittance of at least 10% at the predetermined wavelength. | 04-19-2012 |