公开(公告)号：US20150055319A1

公开(公告)日：2015-02-26

申请号：US14388475

申请日：2013-03-14

Applicant: OSRAM SYLVANIA Inc.

Inventor： Nathan Zink ,  Krister Bergenek ,  Madis Raukas

IPC: F21K99/00 ,  F21V9/08 ,  F21V9/16

CPC classification number: F21V9/08 ,  F21K9/64 ,  F21V9/30 ,  F21Y2115/10 ,  F21Y2115/30 ,  H01L33/505 ,  H01L2924/0002 ,  H01L2924/00

Abstract: A wavelength conversion structure for a light source including a solid-state light-emitting device. The wavelength conversion structure includes one or more apertures formed therein. The apertures may permit color steering of the light downstream of the conversion structure without a substantial reduction in the output of secondary light produced during a conversion process.

Abstract translation: 一种用于包括固态发光器件的光源的波长转换结构。 波长转换结构包括其中形成的一个或多个孔。 孔可以允许转换结构下游的光的颜色转向，而不会显着降低在转换过程中产生的二次光的输出。

公开(公告)号：US20190186711A1

公开(公告)日：2019-06-20

申请号：US16309111

申请日：2017-06-09

Applicant: OSRAM SYLVANIA Inc. ,  OSRAM GmbH

Inventor： Alan Lenef ,  Angela Eberhardt ,  Florian Peskoller ,  David Johnston ,  Jöerg Sorg ,  James Avallon ,  John Kelso ,  Madis Raukas ,  Joachim Wirth-Schön ,  Dennis Sprenger

IPC: F21V7/30

CPC classification number: F21V7/30 ,  F21Y2115/30 ,  G03B21/204

Abstract: Techniques for bonding a luminescent material to a thermally conductive substrate using a low temperature glass to provide a wavelength converter system are provided. A dichroic coating is deposited on a thermally conductive substrate. The dichroic coating includes alternating layers of a first material having a first refractive index and a second material having a second refractive index which is greater than the first refractive index. A buffer layer is deposited on the dichroic coating. A wavelength converter is bonded to the buffer layer by a layer of low temperature glass. In some embodiments, the wavelength converter includes a phosphor for converting a primary light from an excitation source into a secondary light.

公开(公告)号：US20180277720A1

公开(公告)日：2018-09-27

申请号：US15762126

申请日：2016-09-19

Applicant: OSRAM Opto Semiconductors GmbH ,  OSRAM SYLVANIA Inc.

Inventor： Yi Zheng ,  Sonja Tragl ,  Juliane Kechele ,  Johanna Strube-Knyrim ,  Madis Raukas ,  Stefan Lange ,  Daniel Bichler

IPC: H01L33/50 ,  C09K11/02 ,  C09K11/77 ,  C09K11/08

CPC classification number: H01L33/502 ,  C09K11/025 ,  C09K11/0883 ,  C09K11/7734

Abstract: Wavelength converters including coarse particles/grains of a red nitride phosphor are disclosed. In some embodiments the red nitride phosphor is a (Ca,Sr,Ba)2Si5N8:Eu phosphor with a D50 grain size or a D50 particle size that is ≥5 microns. The red nitride phosphor may be encapsulated within an organic matrix or present in an inorganic matrix. In the latter case, the inorganic matrix may include fine grains with a D50 grain size