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| 20090212697 | LIGHT EMITTING DEVICE WITH TRANSLUCENT CERAMIC PLATE - A light emitting device comprising a light emitting component that emits light with a first peak wavelength, and at least one sintered ceramic plate over the light emitting component is described. The at least one sintered ceramic plate is capable of absorbing at least a portion of the light emitted from said light emitting component and emitting light of a second peak wavelength, and has a total light transmittance at the second peak wavelength of greater than about 40%. A method for improving the luminance intensity of a light emitting device comprising providing a light emitting component and positioning at least one translucent sintered ceramic plate described above over the light emitting component is also disclosed. | 08-27-2009 |
| 20100207065 | METHOD OF MANUFACTURING PHOSPHOR TRANSLUCENT CERAMICS AND LIGHT EMITTING DEVICES - Disclosed herein is a method of increasing the luminescence efficiency of a translucent phosphor ceramic. Other embodiments are methods of manufacturing a phosphor translucent ceramic having increased luminescence. Another embodiment is a light emitting device comprising a phosphor translucent ceramic made by one of these methods. | 08-19-2010 |
| 20100207512 | METHOD OF FABRICATING TRANSLUCENT PHOSPHOR CERAMICS - One embodiment provides a method for fabricating a translucent phosphor ceramic compact comprising: heating a precursor powder to at least about 1000° C. under a reducing atmosphere to provide a pre-conditioned powder, forming an intermediate compact comprising the pre-conditioned powder and a flux material, and heating the intermediate compact under a vacuum to a temperature of at least about 1400° C. In another embodiment, the compact may be a cerium doped translucent phosphor ceramic compact comprising yttrium, aluminum, oxygen, and cerium sources. Another embodiment may be a light emitting device having the phosphor translucent ceramic provided as described herein. | 08-19-2010 |
| 20100301367 | LIGHT-EMITTING DEVICE COMPRISING A DOME-SHAPED CERAMIC PHOSPHOR - Some embodiments provide a light-emitting device comprising: a light-emitting diode; a substantially transparent encapsulating material having a refractive index in the range of about 1.3 to about 1.8; a layer of low refractive index material having a refractive index in the range of about 1 to about 1.2; and a translucent ceramic phosphor having a refractive index in the range of about 1.6 to about 2.7, and is substantially dome-shaped with substantially uniform thickness. Some embodiments provide a light-emitting device comprising: a substrate; a light-emitting diode mounted on a surface of the substrate; and a substantially hemispheric cover mounted on the surface of the substrate so as to enclose the light emitting diode; wherein the substantially hemispheric cover comprises an outer layer, a middle layer, and an inner layer arranged concentrically, with the inner layer being nearest the light-emitting diode. | 12-02-2010 |
| 20100301739 | LUMINESCENT CERAMIC AND LIGHT-EMITTING DEVICE USING THE SAME - Some embodiments provide luminescent ceramics which have a lower amount of dopant than conventional luminescent ceramics. In some embodiments, the luminescent ceramic comprises a host material comprising a rare earth element and at least one rare earth dopant, wherein the rare earth dopant may be about 0.01% to 0.5% of the rare earth atoms present in the material. Some embodiments provide luminescent ceramic comprising: a polycrystalline phosphor represented by the formula (A | 12-02-2010 |
| 20110210658 | LIGHT EMISSIVE CERAMIC LAMINATE AND METHOD OF MAKING SAME - A ceramic composite laminate includes a wavelength-converting layer and a non-emissive layer, wherein the ceramic composite laminate has a wavelength conversion efficiency (WCE) of at least 0.650. The ceramic composite laminate can also include a wavelength-converting ceramic layer comprising an emissive material and a scattering material, wherein the laminated composite has a total transmittance of between about 40% to about 85%. The wavelength-converting layer may be formed from plasma YAG:Ce powder. | 09-01-2011 |
| 20110227477 | GARNET-BASED PHOSPHOR CERAMIC SHEETS FOR LIGHT EMITTING DEVICE - Some embodiments disclosed herein include a lighting apparatus having a composite. The composite may include a first emissive layer and a second emissive layer. The first emissive layer may include a first garnet phosphor having a common dopant. The second emissive layer may include a second garnet phosphor having the common dopant. In some embodiments, the first emissive layer and the second emissive layer are fixed together. Some embodiments disclosed herein include efficient and economic methods of making the composite. The method may include, in some embodiments, sintering an assembly that includes pre-cursor materials for the first emissive layer and the second emissive layer. | 09-22-2011 |
| 20120007494 | PHOSPHOR COMPOSITION AND LIGHT EMITTING DEVICE USING THE SAME - Disclosed herein are phosphor compositions which can exhibit a broad emission spectrum and improved color rendering index (CRI) relative to conventional phosphor materials. The phosphor compositions may, in some embodiments, be represented by the Formula I: (RE | 01-12-2012 |
| 20120068213 | LIGHT EMISSIVE CERAMIC LAMINATE AND METHOD OF MAKING SAME - A laminated composite includes a wavelength-converting layer and a non-emissive blocking layer, wherein the emissive layer includes a garnet host material and an emissive guest material, and the non-emissive blocking layer includes a non-emissive blocking material. The metallic element constituting the non-emissive blocking material has an ionic radius which is less than about 80% of an ionic radius of an A cation element when the garnet or garnet-like host material is expressed as A | 03-22-2012 |
| 20120094083 | LIGHT EMISSIVE CERAMIC LAMINATE AND METHOD OF MAKING SAME - Disclosed herein are a laminated composite and process for making the same. The laminated composite includes at least one wavelength-converting layer and at least one non-emissive layer, wherein a vertical relief gap pattern defines the composite into a plurality of discrete separable portions, and the discrete separable portions are breakably joined by a non-emissive layer. Separation along the relief gap pattern reduces color variation amongst the discrete portions and processes. | 04-19-2012 |
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| 20090242572 | Teapot - The present invention discloses a teapot. The teapot comprises a teapot body, a loading plate, a handle, and an upper top. The teapot body has an open part and a chink, wherein the open part dents inward for composing an inner space in the teapot body. Besides, the chink sweeps downward from the edge of the open part. The loading plate crossly is sited under the open part. The handle is sited on the outside of the teapot body and the handle has a salient part and a sweep part. The salient part is protrusive from the edge of the open part to the inner of the open part, and the sweep part stretches from the top of the salient part to the inner of the open part. The upper top comprises a guarding skirt, and the guarding skirt fits with the open part. The guarding skirt comprises a gap corresponding to the chink, wherein the upper top forms an external edge around the guarding skirt. The external edge comprises a buckle space and the site of the buckle space is corresponding to the salient part, even the buckle space can contain the salient part. | 10-01-2009 |
| 20100288134 | Teapot with Supple Spout - The present invention discloses a teapot with supple spout, including a teapot body, a supple spout, and a lid. Through assembling a supple spout onto a teapot body, a classical teapot will have a spout not easily chipped or broken. Besides, the teapot according to this application comprises a design at the upper and the lower parts of the teapot body, so that the teapots can be stacked up for saving space. | 11-18-2010 |
