Patent application number | Description | Published |
20090050846 | Illuminant and Light Source Containing the Same, and Method for Producing said Illuminant - An illumination from the class of oxynitridosilicates, doped with bivalent europium and comprising a cation M2+, said illuminant corresponding to the basic formula M | 02-26-2009 |
20090261366 | OPTOELECTRONIC COMPONENT - An optoelectronic component with a semiconductor body that comprises an active semiconductor layer sequence is disclosed, which is suitable for generating electromagnetic radiation of a first wavelength that is emitted from a front face of the semiconductor body. The component also comprises a first wavelength conversion substance following the semiconductor body in its direction of emission, which converts radiation of the first wavelength into radiation of a second wavelength different from the first wavelength, and a first selectively reflecting layer between the active semiconductor layer sequence and the first wavelength conversion substance that selectively reflects radiation of the second wavelength and is transparent to radiation of the first wavelength. | 10-22-2009 |
20090278441 | Luminescence conversion of led - A luminescence conversion of LED, which uses a blue emitting chip and two illuminating substances, whereby one emits a red and the other a yellow to green. Both illuminating substances are separated upstream from the chip. | 11-12-2009 |
20090322209 | Luminescent Substance of the Class of Nitride Silicates and Light Source Having such a Luminescent Substance - A phosphor from the class of nitridosilicates from the M-Al—Si—N system, comprising a cation M, wherein M is represented by Ca alone or is represented by a mixture of Ca with at least one further element from the group Ba, Sr, Mg, Zn, Cd, Li, Na, Cu, wherein the phosphor is activated with at least one element from the group Eu, Ce which partly replaces M, characterized in that the phosphor forms a phase that is to be assigned to the system M3N2-AlN-Si3N4, wherein the atomic ratio of the constituents M:Al ≧0.375 and the atomic ratio Si/Al ≧1.4. | 12-31-2009 |
20100096592 | Red-Emitting Luminophore and Light Source Comprising such a Luminophore - A red-emitting phosphor composed of an M—Al—Si—N system, comprising a cation M, wherein M is represented by at least one of the elements Ca or Ba or Sr and, if appropriate, can additionally be combined with at least one further element from the group Mg, Zn, Cd, wherein the phosphor is activated with Eu, which partly replaces M, and wherein the phosphor additionally contains LiF | 04-22-2010 |
20100102703 | DISCHARGE LAMP AND ILLUMINAN COMPOUND FOR A DISCHARGE LAMP - The invention relates to an illuminant compound for a discharge lamp ( | 04-29-2010 |
20100102704 | ILLUMINANT MIXTURE FOR A DISCHARGE LAMP AND DISCHARGE LAMP, IN PARTICULAR AN Hg LOW-PRESSURE DISCHARGE LAMP - The invention relates to an illuminant mixture for a discharge lamp ( | 04-29-2010 |
20100141114 | ILLUMINANT MIXTURE FOR A DISCHARGE LAMP AND DISCHARGE LAMP, IN PARTICULAR AN HG LOW-PRESSURE DISCHARGE LAMP - The invention relates to an illuminant mixture for a discharge lamp ( | 06-10-2010 |
20110186778 | Temperature-Stable Oxynitride Phosphor and Light Source Comprising a Corresponding Phosphor Material - A thermally stable phosphor made of the M-Si—O—N system, having a cation M and an activator D, M being represented by Ba or Sr alone or as a mixture and optionally also being combined with at least one other element from the group Ca, Mg, Zn, Cu. The phosphor is activated with Eu or Ce or Tb alone or as a mixture, optionally in codoping with Mn or Yb. The activator D partially replaces the cation M. The phosphor is produced from the charge stoichiometry MO—SiO | 08-04-2011 |
20120037938 | SR2S15N8 Luminous substance emitting red and light source comprising a luminous substance of said king and method for producing the luminous substance - A red-emitting luminescent material that belongs to the class of nitridosilicates and is doped with at least one activator D, in particular Eu, wherein the material is a modified D-doped alkaline earth nitridosilicate M | 02-16-2012 |
20120146078 | High Efficiency Conversion LED - A conversion LED with a chip which emits primary blue radiation, and a layer containing luminescent substance upstream of the chip which converts at least part of the primary radiation of the chip into secondary radiation, wherein a first garnet A3B5O12:Ce yellow-green emitting luminescent substance and a second nitride silicate M2X5Y8:D orange-red emitting luminescent substance is used, wherein the peak wavelength of the primary radiation is in the range of 430 to 450 nm, in particular of up to 445 nm, while the first luminescent substance is a garnet with the cation A=Lu or a mixture of Lu, Y with up a Y fraction of up to 30%, and wherein B has fractions of both Al and Ga, while the second luminescent substance is a nitride silicate which contains both Ba and Sr as cation M, and in which the doping consists of Eu, wherein the second luminescent substance contains 35 to 75 mol.-% Ba for the component M, remainder is Sr, where X=Si and Y=N. | 06-14-2012 |
20120146079 | Conversion LED with High Color Rendition Index - A conversion LED comprising a chip which emits primary radiation and, positioned upstream of the chip, a luminescent substance-containing layer which converts at least some of the primary radiation of the chip into secondary radiation, wherein a first yellow-green emitting luminescent substance of the A3B5O12:Ce garnet type and a second orange-red emitting luminescent substance of the MAlSiN3:Eu calsine type is used, wherein the peak wavelength of the primary radiation lies in the 435 to 455 nm range, the first luminescent substance being a garnet having essentially the cation A=Lu or Lu in combination with Y, and B simultaneously having fractions of Al and Ga, while the second luminescent substance is of the basic MAlSiN3:Eu type containing Ca as M with a fraction of at least 80%, in particular at least 90%, preferably at least 95%, where M is Ca alone or predominantly Ca and the remainder of M may be Sr, Ba, Mg, Li or Cu, in each case alone or in combination, and wherein some of the Al up to 20%, preferably at most 5%, can be replaced by B, O, F, Cl, alone or in combination. | 06-14-2012 |
20130113364 | Luminophore and Light Source Containing such a Luminophore - A luminophore from the class of nitridic or oxynitridic luminophores with at least one cation M and an activator D, wherein a proportion x of the cation is replaced with Cu and D is at least one element from the series Eu, Ce, Sm, Yb and Tb | 05-09-2013 |
20130140981 | LUMINESCENT SUBSTANCE AND LIGHT SOURCE HAVING SUCH A LUMINESCENT SUBSTANCE - A blue to yellow emitting phosphor from the class of orthosilicates, which substantially has the structure EA2SiO4:D, wherein the phosphor comprises as component EA at least one of the elements EA=Sr, Ba, Ca or Mg alone or in combination, wherein the activating doping D consists of Eu and wherein a deficiency of SiO2 is introduced, such that a modified sub stoichiometric orthosilicate is present. | 06-06-2013 |
20130181248 | Optoelectronic Semiconductor Component - An optoelectronic semiconductor component comprising a light source, a housing and electrical connections, wherein the light source emits primary radiation having a peak wavelength in the range of 420 to 460 nm and having a flank of the primary emission which extends into the range less than 420 nm, wherein the radiation of the flank range or of part thereof is converted into visible radiation by an additive phosphor. | 07-18-2013 |
20130207148 | RADIATION-EMITTING COMPONENT WITH A CONVERTER MATERIAL, WITH A THERMALLY CONDUCTIVE CONTACT AND METHOD FOR THE PRODUCTION THEREOF - A radiation-emitting component includes:
| 08-15-2013 |
20140284649 | OPTOELECTRONIC COMPONENT AND PHOSPHORS - An optoelectronic component includes a layer sequence having an active region that emits primary electromagnetic radiation, wherein the primary electromagnetic radiation has a wavelength of 430 nm to 470 nm, a conversion material arranged in a beam path of the primary electromagnetic radiation and at least partly converts the primary electromagnetic radiation into a secondary electromagnetic radiation, wherein the conversion material includes a first phosphor having general composition A | 09-25-2014 |