Patents Assigned to Seaborough IP I B.V.
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Patent number: 11879085Abstract: The invention relates to a converter system, for instance for a light emitting device, comprising: —a first material, which comprises, preferably essentially consists of an emitting material, emitting a color of interest, and is essentially free of sensitizer material, —a second sensitizer material, which is essentially free of the first material and absorbs light (is excitable) in the wavelength range of interest and its emission spectrum overlaps at least partly with one or more excitation bands of the first material.Type: GrantFiled: September 27, 2021Date of Patent: January 23, 2024Assignee: SEABOROUGH IP I B.V.Inventors: Michael Krames, Marie Anne Van de Haar
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Publication number: 20220403237Abstract: The invention relates to lighting emitting devices and systems comprising a luminescent composition, said luminescent composition comprising: (i) a first emitting material, said first emitting material having a host lattice doped with EU3+ ions; (ii) a second emitting material, said second emitting material having a host lattice doped with Tb3+ ions; and (iii) sensitizer material, which sensitizer material is excitable in the violet-to-blue (400 to 480 nm) wavelength range and has an emission spectrum which overlaps at least partly with one or more excitation bands of the first emitting material and with which overlaps at least partly with one or more excitation bands of the second emitting material.Type: ApplicationFiled: September 13, 2019Publication date: December 22, 2022Applicant: SEABOROUGH IP I B.V.Inventors: Michael KRAMES, Marie Anne VAN DE HAAR
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Patent number: 11233181Abstract: The present invention relates to a light emitting device comprising a red-emitting Eu3+ material and green emitting Ce3+ material which are matched so that the resulting white light has an increased lumen equivalent of radiation for a given color rendering index than with the prior art.Type: GrantFiled: October 20, 2017Date of Patent: January 25, 2022Assignee: SEABOROUGH IP I B.V.Inventors: Michael Krames, Marie Anne Van De Haar
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Patent number: 11162026Abstract: The invention relates to a converter system, for instance for a light emitting device, comprising: —a first material, which comprises, preferably essentially consists of an emitting material, emitting a color of interest, and is essentially free of sensitizer material, —a second sensitizer material, which is essentially free of the first material and absorbs light (is excitable) in the wavelength range of interest and its emission spectrum overlaps at least partly with one or more excitation bands of the first material.Type: GrantFiled: March 16, 2018Date of Patent: November 2, 2021Assignee: Seaborough IP I B.V.Inventors: Michael Krames, Marie Anne Van de Haar
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Publication number: 20210288228Abstract: The present invention relates to a light emitting device comprising a red-emitting Eu3+ material and green emitting Ce3+ material which are matched so that the resulting white light has an increased lumen equivalent of radiation for a given color rendering index than with the prior art.Type: ApplicationFiled: October 20, 2017Publication date: September 16, 2021Applicant: SEABOROUGH IP I B.V.Inventors: Michael KRAMES, Marie Anne VAN DE HAAR
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Patent number: 11015118Abstract: The present disclosure relates to a phosphor ceramic comprising a plurality of luminescence conversion materials, wherein a luminescence conversion material serves as a matrix material for the others.Type: GrantFiled: June 24, 2016Date of Patent: May 25, 2021Assignee: Seaborough IP I B.V.Inventors: Thomas Jüstel, Stephanie Möller, Florian Baur, Nadja Kratz, Jan Werner, Murat Demirtas, Jürgen Honold, Tom Hilgerink