Patent application number | Description | Published |
20080203405 | Method for Preparing an Electric Circuit Comprising Multiple Leds - The invention relates to a method for preparing an electric circuit comprising a plurality of Light-Emitting Diodes (LEDs). First, a continuous layer of a first semiconductor material is provided. On this a first pattern of a material of a second semiconductor type is applied. Next, a substrate comprising a second pattern of at least one conducting layer ( | 08-28-2008 |
20090039752 | LIGHTING DEVICE AND LIGHTING SYSTEM FOR STIMULATING PLANT GROWTH - The invention relates to a lighting device for stimulating plant growth. The lighting device has a solid state light source, suitable for emitting light of at least one wavelength within a predetermined wavelength range. Furthermore, the solid state light source is adapted for connection to an electrical network. The solid state light source is in contact with a cooling medium. In an embodiment, this cooling medium has a temperature in a temperature range between −50 and 0° C. | 02-12-2009 |
20090315442 | Heat sink lamp and method for manufacturing a heat sink - The invention relates to a heat sink ( | 12-24-2009 |
20100051976 | LED LIGHTING ASSEMBLY - Disclosed is a lighting assembly comprising one or more light emitting diodes (LEDs). The assembly comprises a ceramic disc which is coated with a layer of heat conducting material. The assembly provides sufficient galvanic insulation for it to be used safely even when connected to the electric grid as a power source. | 03-04-2010 |
20100202140 | STREET LIGHTING ARRANGEMENT - A street lighting arrangement for providing light distribution over an angular range between an axis and a cut-off angle, the arrangement comprising a first array ( | 08-12-2010 |
20100220471 | LIGHTING ARRANGEMENT - The invention relates to a lighting arrangement ( | 09-02-2010 |
20110209400 | LED LIGHTING DEVICE FOR GROWING PLANTS - Disclosed is a lighting assembly for growing plants. The lighting assembly has a first light source emitting light in a first wavelength range of 600 to 750 nm; a second light source emitting light in a second wavelength range of 375 to 500 nm; and a controller for controlling the output of the first light source independent from the output of the second light source. Disclosed are also an enclosure for growing plants, and a method for growing plants. | 09-01-2011 |
20120129245 | ALGAE REACTOR - The invention relates to a lighting system for illuminating algae in an aqueous liquid. The lighting system includes a light source comprising a plurality of LEDs, a mounting structure for supporting the LEDs and a housing for accommodating the light source and the mounting structure. At least a portion of the housing is transparent for light emitted by the light source. The housing is at least partly filled with a cooling liquid, such that, in use, heat from the LEDs is transferred by the cooling liquid from the LEDs by means of convection. The invention further relates to a reactor comprising such lighting system. | 05-24-2012 |
20130102069 | ALGAE REACTOR - The invention relates to a method for transferring light generated by a light emitting diode towards an aqueous liquid containing algae. The method includes emitting light by the light emitting diode having a first refractive index, transferring the light through a liquid medium having a second refractive index, and a solid medium having a third refractive index, into the aqueous liquid having a fourth refractive index. The value of the first refractive index is equal to or greater than the value of the second refractive index. The value of the second refractive index is equal to or greater than the value of the third refractive index. The value of the third refractive index is equal to or greater than the value of the fourth refractive index. The invention further relates to a reactor designed to perform such method. | 04-25-2013 |