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1.发明申请公开(公告)号：US20180108816A1
公开(公告)日：2018-04-19
申请号：US15832848
申请日：2017-12-06
Applicant: Cree, Inc.
Inventor： Iliya Todorov , David Clatterbuck , Jasper Cabalu , Brian Collins , Michael John Bergmann , Florin Tudorica
CPC classification number: H01L33/504 , C09K11/617 , C09K11/7731 , H01L33/502 , H01L33/507 , H01L2224/48091 , H01L2224/8592 , H01L2924/19107 , H01L2924/00014
Abstract: A semiconductor light emitting device includes an LED and an associated recipient luminophoric medium that includes respective first through fourth luminescent materials that down-convert respective first through fourth portions of the radiation emitted by the LED to radiation having respective first through fourth peak wavelengths. The first peak wavelength is in the green color range and the second through fourth peak wavelengths are in the red color range. The second and third luminescent materials each emit light having a full-width half maximum bandwidth of at least 70 nanometers, while the fourth luminescent material emits light having a full-width half maximum bandwidth of less than 60 nanometers. Embodiments that only include three luminescent materials are also disclosed.
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公开(公告)号：US09871173B2
公开(公告)日：2018-01-16
申请号：US15184104
申请日：2016-06-16
Applicant: Cree, Inc.
Inventor： Iliya Todorov , David Clatterbuck , Jasper Cabalu , Brian Collins , Michael John Bergmann , Florin Tudorica
CPC classification number: H01L33/504 , C09K11/617 , C09K11/7731 , H01L33/502 , H01L33/507 , H01L2224/48091 , H01L2224/8592 , H01L2924/19107 , H01L2924/00014
Abstract: A semiconductor light emitting device includes an LED and an associated recipient luminophoric medium that includes respective first through fourth luminescent materials that down-convert respective first through fourth portions of the radiation emitted by the LED to radiation having respective first through fourth peak wavelengths. The first peak wavelength is in the green color range and the second through fourth peak wavelengths are in the red color range. The second and third luminescent materials each emit light having a full-width half maximum bandwidth of at least 70 nanometers, while the fourth luminescent material emits light having a full-width half maximum bandwidth of less than 60 nanometers. Embodiments that only include three luminescent materials are also disclosed.
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3.发明授权Semiconductor light emitting devices including red phosphors that exhibit good color rendering properties and related red phosphors 有权包括显示出良好显色性能的红色荧光体和相关红色荧光体的半导体发光器件公开(公告)号：US09219202B2
公开(公告)日：2015-12-22
申请号：US14255607
申请日：2014-04-17
Applicant: Cree, Inc.
Inventor： Robert Wilcox , Brian Collins
CPC classification number: H01L33/504 , C09K11/7734 , C09K11/7774 , H01L2224/48091 , H01L2224/8592 , H01L2924/00014
Abstract: A light emitting device includes a light emitting diode (“LED”) that emits light having a dominant wavelength in the blue color range, and a recipient luminophoric medium that is configured to down-convert at least some of the light emitted by the LED. The recipient luminophoric medium includes a green phosphor that down-converts the radiation emitted by the LED to radiation having a peak wavelength that is between about 525 nanometers and about 550 nanometers, a yellow phosphor having a wavelength peak that is between about 550 nanometers and about 580 nanometers, and a red (Ca1-x-ySrxEu2+y)SiAlN3 phosphor. The (Ca1-x-ySrxEu2+y)SiAlN3 phosphor has a europium content y of between about 0.003 and 0.009 and a strontium content x of between about 0.150 and 0.300.
Abstract translation: 发光装置包括发射蓝色范围中的主波长的光的发光二极管（“LED”），以及被配置为对LED发射的至少一些光进行下变频的接收器发光体。 受体发光体包括将由LED发射的辐射下转换成具有在约525纳米和约550纳米之间的峰值波长的辐射的绿色荧光体，具有在约550纳米和约550纳米之间的波长峰值的黄色荧光体 580纳米，红色（Ca1-x-ySrxEu2 + y）SiAlN3荧光体。 （Ca1-x-ySrxEu2 + y）SiAlN3荧光体的铕含量y为约0.003至0.009，锶含量x为约0.150至0.300。
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4.发明申请公开(公告)号：US20160372638A1
公开(公告)日：2016-12-22
申请号：US15184104
申请日：2016-06-16
Applicant: Cree, Inc.
Inventor： Iliya Todorov , David Clatterbuck , Jasper Cabalu , Brian Collins , Michael John Bergmann , Florin Tudorica
IPC: H01L33/50
CPC classification number: H01L33/504 , C09K11/617 , C09K11/7731 , H01L33/502 , H01L33/507 , H01L2224/48091 , H01L2224/8592 , H01L2924/19107 , H01L2924/00014
Abstract: A semiconductor light emitting device includes an LED and an associated recipient luminophoric medium that includes respective first through fourth luminescent materials that down-convert respective first through fourth portions of the radiation emitted by the LED to radiation having respective first through fourth peak wavelengths. The first peak wavelength is in the green color range and the second through fourth peak wavelengths are in the red color range. The second and third luminescent materials each emit light having a full-width half maximum bandwidth of at least 70 nanometers, while the fourth luminescent material emits light having a full-width half maximum bandwidth of less than 60 nanometers. Embodiments that only include three luminescent materials are also disclosed.
Abstract translation: 一种半导体发光器件包括LED和相关接收器发光介质，其包括相应的第一至第四发光材料，其将由LED发射的辐射的相应的第一至第四部分下变频成具有相应的第一至第四峰值波长的辐射。 第一峰值波长为绿色范围，第二至第四峰值波长为红色范围。 第二和第三发光材料各自发射具有至少70纳米的全宽半最大带宽的光，而第四发光材料发射具有小于60纳米的全宽半最大带宽的光。 还公开了仅包括三种发光材料的实施方案。
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Patent Agency Ranking
5.发明申请Enhanced Luminous Flux Semiconductor Light Emitting Devices Including Red Phosphors that Exhibit Good Color Rendering Properties and Related Red Phosphors 审中-公开增强的光通量半导体发光器件，包括具有良好显色性能的红色荧光体和相关的红色荧光粉公开(公告)号：US20140167601A1
公开(公告)日：2014-06-19
申请号：US13719645
申请日：2012-12-19
Applicant: Cree, Inc.
Inventor： Seibel Harry , David Clatterbuck , Brian Collins , Michael John Bergmann
IPC: H05B33/14
CPC classification number: H01L33/504 , C09K11/0883 , C09K11/7734 , H01L2224/48091 , H01L2224/8592 , H01L2924/00014
Abstract: Light emitting devices include an LED that emits light having a dominant wavelength in the blue color range and a recipient luminophoric medium that is configured to down-convert at least some of the light emitted by the LED. In these devices, the recipient luminophoric medium may include at least a green phosphor that down-converts the radiation emitted by the LED to radiation having a peak wavelength that is between about 525 nanometers and about 545 nanometers, a yellow phosphor that down-converts the radiation emitted by the LED to radiation having a peak wavelength that is between about 550 nanometers and about 570 nanometers, and a red (Ca1-x-ySrxEu2+y)SiAlN3 phosphor. The red (Ca1-x-ySrxEu2+y)SiAlN3 phosphor may have a europium content of at least 0.025.
Abstract translation: 发光装置包括发射蓝色区域中的主波长的光的LED和被配置为对由LED发射的至少一些光进行下变频的接收器发光体。 在这些装置中，受体发光介质可以包括至少一个绿色磷光体，其将由LED发射的辐射下转换成具有在约525纳米至约545纳米之间的峰值波长的辐射，黄色磷光体将 由LED发射的辐射具有在约550纳米至约570纳米之间的峰值波长的辐射，以及红色（Ca1-x-ySrxEu2 + y）SiAlN3荧光体。 红色（Ca1-x-ySrxEu2 + y）SiAlN3荧光体的铕含量可以至少为0.025。
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公开(公告)号：US10109773B2
公开(公告)日：2018-10-23
申请号：US15832848
申请日：2017-12-06
Applicant: Cree, Inc.
Inventor： Iliya Todorov , David Clatterbuck , Jasper Cabalu , Brian Collins , Michael John Bergmann , Florin Tudorica
Abstract: A semiconductor light emitting device includes an LED and an associated recipient luminophoric medium that includes respective first through fourth luminescent materials that down-convert respective first through fourth portions of the radiation emitted by the LED to radiation having respective first through fourth peak wavelengths. The first peak wavelength is in the green color range and the second through fourth peak wavelengths are in the red color range. The second and third luminescent materials each emit light having a full-width half maximum bandwidth of at least 70 nanometers, while the fourth luminescent material emits light having a full-width half maximum bandwidth of less than 60 nanometers. Embodiments that only include three luminescent materials are also disclosed.
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公开(公告)号：US20140265921A1
公开(公告)日：2014-09-18
申请号：US13798721
申请日：2013-03-13
Applicant: CREE, INC.
Inventor： Brian Collins
CPC classification number: H05B33/0842 , F21K9/64 , F21V19/00 , H01L25/0753 , H01L33/50 , H01L33/504 , H01L2924/0002 , H05B33/0857 , Y10T29/49117 , H01L2924/00
Abstract: A light emitting device can include a solid state lighting source and a luminophoric medium for down-converting at least some of the radiation emitted by the solid state lighting source. The luminophoric medium may include a first material that down-converts the radiation emitted by the solid state lighting source to radiation having a first peak wavelength and that has a first decay time. The luminophoric medium may include a second material that down-converts the radiation emitted by the solid state lighting source to radiation having a second peak wavelength and that has a second decay time that is longer than the first decay time.
Abstract translation: 发光器件可以包括固态照明源和用于对由固态照明源发射的至少一些辐射进行下变频的发光介质。 发光体介质可以包括第一材料，其将由固态照明源发射的辐射下转换成具有第一峰值波长且具有第一衰减时间的辐射。 发光介质可以包括第二材料，其将由固态照明源发射的辐射下转换成具有第二峰值波长的辐射，并且具有比第一衰减时间长的第二衰减时间。
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公开(公告)号：US09055643B2
公开(公告)日：2015-06-09
申请号：US13798721
申请日：2013-03-13
Applicant: Cree, Inc.
Inventor： Brian Collins
CPC classification number: H05B33/0842 , F21K9/64 , F21V19/00 , H01L25/0753 , H01L33/50 , H01L33/504 , H01L2924/0002 , H05B33/0857 , Y10T29/49117 , H01L2924/00
Abstract: A light emitting device can include a solid state lighting source and a luminophoric medium for down-converting at least some of the radiation emitted by the solid state lighting source. The luminophoric medium may include a first material that down-converts the radiation emitted by the solid state lighting source to radiation having a first peak wavelength and that has a first decay time. The luminophoric medium may include a second material that down-converts the radiation emitted by the solid state lighting source to radiation having a second peak wavelength and that has a second decay time that is longer than the first decay time.
Abstract translation: 发光器件可以包括固态照明源和用于对由固态照明源发射的至少一些辐射进行下变频的发光介质。 发光体介质可以包括第一材料，其将由固态照明源发射的辐射下转换成具有第一峰值波长且具有第一衰减时间的辐射。 发光介质可以包括第二材料，其将由固态照明源发射的辐射下转换成具有第二峰值波长的辐射，并且具有比第一衰减时间长的第二衰减时间。
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9.发明申请Semiconductor Light Emitting Devices Including Red Phosphors that Exhibit Good Color Rendering Properties and Related Red Phosphors 有权包括红色荧光粉的半导体发光器件，显示出良好的显色性能和相关的红色荧光体公开(公告)号：US20140312376A1
公开(公告)日：2014-10-23
申请号：US14255607
申请日：2014-04-17
Applicant: Cree, Inc.
Inventor： Robert Wilcox , Brian Collins
IPC: H01L33/50
CPC classification number: H01L33/504 , C09K11/7734 , C09K11/7774 , H01L2224/48091 , H01L2224/8592 , H01L2924/00014
Abstract: A light emitting device includes a light emitting diode (“LED”) that emits light having a dominant wavelength in the blue color range, and a recipient luminophoric medium that is configured to down-convert at least some of the light emitted by the LED. The recipient luminophoric medium includes a green phosphor that down-converts the radiation emitted by the LED to radiation having a peak wavelength that is between about 525 nanometers and about 550 nanometers, a yellow phosphor having a wavelength peak that is between about 550 nanometers and about 580 nanometers, and a red (Ca1-x-ySrxEu2+y)SiAlN3 phosphor. The (Ca1-x-ySrxEu2+y)SiAlN3 phosphor has a europium content y of between about 0.003 and 0.009 and a strontium content x of between about 0.150 and 0.300.
Abstract translation: 发光装置包括发射蓝色范围中的主波长的光的发光二极管（“LED”），以及被配置为对LED发射的至少一些光进行下变频的接收器发光体。 受体发光体包括将由LED发射的辐射下转换成具有在约525纳米和约550纳米之间的峰值波长的辐射的绿色荧光体，具有在约550纳米和约550纳米之间的波长峰值的黄色荧光体 580纳米，红色（Ca1-x-ySrxEu2 + y）SiAlN3荧光体。 （Ca1-x-ySrxEu2 + y）SiAlN3荧光体的铕含量y为约0.003至0.009，锶含量x为约0.150至0.300。
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