摘要:
In some embodiments, a method of manufacturing a lighting system comprises: coupling a light source to a reflector, the reflector including a substrate having a first side configured to face toward the light source; and disposing an organic phosphor layer on the first side of the substrate. In some embodiments, a method comprises: determining target color characteristics for light produced by a lighting system of a first type; for each one of a plurality of lighting systems of the first type: (a) measuring color characteristics of light produced by the one of the plurality of lighting systems; (b) determining characteristics of a phosphor layer to be disposed on a reflector of the one of the plurality of lighting systems; and (c) disposing a phosphor layer having the determined characteristics on the reflector of the one of the plurality of lighting systems.
摘要:
A white light emitting device, including a circuit board; a plurality of light sources mounted on the circuit board, each light source of the plurality of light sources configured to emit monochromatic light; a light converter spaced apart from the circuit board, the light converter configured to convert the monochromatic light emitted from the light sources to white light; and a compensator provided between the circuit board and the light converter, the compensator configured to convert the emitted monochromatic light to white light.
摘要:
The invention provides a lighting device (100) comprising: -a first solid state light source (10), configured to provide UV radiation (11) having a wavelength selected from the range of 380-420 nm; -a second solid state light source (20), configured to provide blue light (21) having a wavelength selected from the range of 440-470 nm; -a wavelength converter element (200), wherein the wavelength converter element (200) comprises: -a first luminescent material (210), configured to provide upon excitation with the blue light (21) of the second solid state light source (20) first luminescent material light (211) having a wavelength selected from the green and yellow wavelength range, and wherein the first luminescent material excitability for UV radiation (11) is lower than for blue light (21); and -a second luminescent material (220), configured to provide upon excitation with the blue light (21) of the second solid state light source (20) second luminescent material light (221) having a wavelength selected from the orange and red wavelength range, and wherein the second luminescent material excitability for UV radiation (11) is lowerthan for blue light (21).
摘要:
A light converter, and lights and displays incorporating the light converter are disclosed together with methods of making the light converter. The light converter has a substrate having a first layer of phosphor particles disposed on an area of one surface of the substrate. The first layer has a thickness of about 1 monolayer of phosphor particles, and the phosphor particles in the first layer form a uniform and dense layer. The thickness of the substrate can be between about 25 μm and about 500 μm in embodiments intended to be flexible and between about 0.5 mm and 2 mm in embodiments that can be formed into rigid shapes. The screen weight of the phosphor particles is between about 0.5 mg/cm2 and about 40 mg/cm2. The substrate can include a base layer and an adhesive layer.
摘要翻译:公开了一种光转换器以及包含该光转换器的灯和显示器以及制造该光转换器的方法。 该光转换器具有衬底,该衬底具有设置在衬底的一个表面的区域上的第一荧光体颗粒层。 第一层具有约1单层荧光体颗粒的厚度,并且第一层中的荧光体颗粒形成均匀且致密的层。 在可以形成为刚性形状的实施例中,基底的厚度在用于柔性的实施例中可以在约25μm与约500μm之间,并且可以在约0.5mm与2mm之间。 磷光体颗粒的屏幕重量在约0.5mg / cm 2和约40mg / cm 2之间。 基底可以包括基底层和粘合剂层。
摘要:
The invention provides a lighting device (1) comprising (i) a light source (10) configured to generate light source light (11), and (ii) a light converter (100) configured to convert at least part of the light source light (11) into visible converter light (121), wherein the light converter (100) comprises a polymeric host material (110) with light converter nanoparticles (120) embedded in the polymeric host material (110), wherein the polymeric host material (110) is based on radical polymerizable monomers, and wherein the polymeric host material (110) contains equal to or less then 5 ppm radical initiator based material relative to the total weight of the polymeric host material (110).
摘要:
Disclosed are a display device and a light conversion member. The display device includes a light source; and a light conversion member to convert a wavelength of light generated from the light source. The light conversion member includes a first region to convert light generated from the light source into light having a first color; and a second region to convert the light generated from the light source into light having a second color.
摘要:
A lighting device may be provided that includes: a housing having a top opening and a bottom opening; an optical plate disposed in the top opening; heat sink disposed in the bottom opening; a driving unit which is received in the housing, disposed between the optical plate and the heat sink and receives external electric power; and light source which is received in the housing, disposed between the optical plate and the driving unit, spatially separated from the driving unit and is electrically connected to the driving unit.
摘要:
Eine LED-Lichtquelle ist mit einer primären Lichtquelle ausgestattet, insbesondere einer blau emittierenden LED, deren Strahlung durch ein beabstandet angebrachtes Konversionselement, das als Kuppel der primären Lichtquelle vorgeschaltet ist, teilweise oder vollständig in längerwellige Strahlung konvertiert wird. Die Kuppel ist ein Abschnitt eines Oblatenkörpers, der einen Äquator und einen Pol aufweist, wobei der Pol in Richtung der optischen Achse weist, wobei der Oblatenkörper in Richtung zum Pol abgeflacht ist gegenüber der Richtung zum Äquator, und wobei der Oblatenkörper mit einer konvertierenden Leuchtstoffschicht ausgestattet ist.