公开(公告)号：US20180305612A1

公开(公告)日：2018-10-25

申请号：US16010652

申请日：2018-06-18

Applicant: MITSUBISHI CHEMICAL CORPORATION

Inventor： Byungchul Hong ,  Ayuko Onozuka

IPC: C09K11/67 ,  H01L33/50

CPC classification number: C09K11/676 ,  C09K11/615 ,  H01L33/08 ,  H01L33/26 ,  H01L33/50 ,  H01L33/502

Abstract: The present invention addresses providing a novel narrowband red phosphor having a high internal quantum efficiency, a short afterglow time, and a large number of emission components in a short-wavelength region with high red visibility. This is solved by a phosphor characterized by including a crystalline phase that has a predetermined composition and having a specific peak in a powder X-ray diffraction pattern.

公开(公告)号：US11680206B2

公开(公告)日：2023-06-20

申请号：US17677222

申请日：2022-02-22

Applicant: Mitsubishi Chemical Corporation

Inventor： Byungchul Hong

IPC: C09K11/77 ,  C09K11/08 ,  C09K11/68 ,  H01L33/50

CPC classification number: C09K11/7787 ,  C09K11/685 ,  C09K11/7708 ,  C09K11/778 ,  C09K11/7764 ,  C09K11/7776 ,  H01L33/502

Abstract: An object of the present invention is to provide an infrared light-emitting phosphor which emits light in a wavelength range where the sensitivity of a detector is high by combination with a semiconductor light-emitting element that emits light in the visible light region, and to provide an infrared light-emitting device using the infrared light-emitting phosphor. The object can be achieved with a light-emitting device including a semiconductor light-emitting element that emits ultraviolet light or visible light and a phosphor that absorbs ultraviolet light or visible light emitted from the semiconductor light-emitting element and emits light in the infrared region, wherein an emission peak wavelength in the infrared region of the phosphor emitting in the infrared region is from 750 to 1,050 nm, and the half width of an emission peak waveform is more than 50 nm.

公开(公告)号：US20150076539A1

公开(公告)日：2015-03-19

申请号：US14029486

申请日：2013-09-17

Applicant: Mitsubishi Chemical Corporation ,  The Regents of the University of California

Inventor： Ram Seshadri ,  Alexander Birkel ,  Byungchul Hong ,  Jeffrey A. Gerbec

IPC: C09K11/77 ,  H01L33/50

CPC classification number: C09K11/7792 ,  H01L33/502 ,  H01L33/504

Abstract: A composition of matter including a phosphor having an emission peak in each of a blue, green, and red color region of the Electromagnetic spectrum, wherein the phosphor is excitable by light having a wavelength between 350 nanometers (nm) and 420 nm.

Abstract translation: 包括在电磁谱的蓝色，绿色和红色区域各自具有发射峰的磷光体的物质组合物，其中，所述荧光体可由具有350纳米（nm）至420nm的波长的光激发。

公开(公告)号：US11560516B2

公开(公告)日：2023-01-24

申请号：US16590604

申请日：2019-10-02

Applicant: Mitsubishi Chemical Corporation

Inventor： Byungchul Hong

IPC: C09K11/77 ,  C09K11/08 ,  C09K11/62 ,  C09K11/68 ,  H01L33/50

Abstract: An object of the present invention is to provide an infrared light-emitting phosphor which emits light in a wavelength range where the sensitivity of a detector is high by combination with a semiconductor light-emitting element that emits light in the visible light region, and to provide an infrared light-emitting device using the infrared light-emitting phosphor. The object can be achieved with a light-emitting device including a semiconductor light-emitting element that emits ultraviolet light or visible light and a phosphor that absorbs ultraviolet light or visible light emitted from the semiconductor light-emitting element and emits light in the infrared region, wherein an emission peak wavelength in the infrared region of the phosphor emitting in the infrared region is from 750 to 1,050 nm, and the half width of an emission peak waveform is more than 50 nm.

公开(公告)号：US10370589B2

公开(公告)日：2019-08-06

申请号：US16010652

申请日：2018-06-18

Applicant: MITSUBISHI CHEMICAL CORPORATION

Inventor： Byungchul Hong ,  Ayuko Onozuka

IPC: C09K11/61 ,  C09K11/67 ,  H01L33/26 ,  H01L33/08 ,  H01L33/50

Abstract: The present invention addresses providing a novel narrowband red phosphor having a high internal quantum efficiency, a short afterglow time, and a large number of emission components in a short-wavelength region with high red visibility. This is solved by a phosphor characterized by including a crystalline phase that has a predetermined composition and having a specific peak in a powder X-ray diffraction pattern.

公开(公告)号：US10011769B2

公开(公告)日：2018-07-03

申请号：US15357507

申请日：2016-11-21

Applicant: MITSUBISHI CHEMICAL CORPORATION

Inventor： Byungchul Hong ,  Naoki Sako ,  Naoto Kijima ,  Masahiko Yoshino ,  Takashi Hase ,  Fumiko Yoyasu ,  Kentarou Horibe

IPC: C09K11/61 ,  C09K11/77 ,  H01L33/50 ,  C09K11/67 ,  C09K11/08 ,  G02F1/1335 ,  G02F1/1368 ,  F21V8/00 ,  F21V3/04 ,  F21Y115/10 ,  F21V3/06

CPC classification number: C09K11/7739 ,  C09K11/0883 ,  C09K11/616 ,  C09K11/675 ,  C09K11/7734 ,  F21K2/00 ,  F21V3/062 ,  F21Y2115/10 ,  G02B6/0023 ,  G02B6/0038 ,  G02B6/0043 ,  G02B6/0053 ,  G02B6/0073 ,  G02F1/133514 ,  G02F1/133528 ,  G02F1/1336 ,  G02F1/133603 ,  G02F1/133609 ,  G02F1/133611 ,  G02F1/133615 ,  G02F1/1368 ,  G02F2001/133614 ,  G02F2001/133624 ,  H01L24/45 ,  H01L33/502 ,  H01L33/504 ,  H01L2224/45015 ,  H01L2224/45124 ,  H01L2224/45144 ,  H01L2224/48091 ,  H01L2224/48247 ,  H01L2924/12041 ,  H01L2924/12042 ,  H01L2924/12044 ,  H01L2924/181 ,  H01L2924/3025 ,  H05B33/14 ,  H01L2924/00014 ,  H01L2924/00 ,  H01L2924/20752 ,  H01L2924/20753 ,  H01L2924/00012

Abstract: To provide a semiconductor light emitting device which is capable of accomplishing a broad color reproducibility for an entire image without losing brightness of the entire image.A light source provided on a backlight for a color image display device has a semiconductor light emitting device comprising a solid light emitting device to emit light in a blue or deep blue region or in an ultraviolet region and phosphors, in combination. The phosphors comprise a green emitting phosphor and a red emitting phosphor. The green emitting phosphor and the red emitting phosphor are ones, of which the rate of change of the emission peak intensity at 100° C. to the emission intensity at 25° C., when the wavelength of the excitation light is 400 nm or 455 nm, is at most 40%.

公开(公告)号：US09541238B2

公开(公告)日：2017-01-10

申请号：US13913602

申请日：2013-06-10

Applicant: MITSUBISHI CHEMICAL CORPORATION

Inventor： Byungchul Hong ,  Naoki Sako ,  Naoto Kijima ,  Masahiko Yoshino ,  Takashi Hase ,  Fumiko Yoyasu ,  Kentarou Horibe

IPC: C09K11/61 ,  F21K2/00 ,  F21V8/00 ,  G02F1/1335 ,  H01L33/50 ,  H05B33/14 ,  H01L23/00

CPC classification number: C09K11/7739 ,  C09K11/0883 ,  C09K11/616 ,  C09K11/675 ,  C09K11/7734 ,  F21K2/00 ,  F21V3/062 ,  F21Y2115/10 ,  G02B6/0023 ,  G02B6/0038 ,  G02B6/0043 ,  G02B6/0053 ,  G02B6/0073 ,  G02F1/133514 ,  G02F1/133528 ,  G02F1/1336 ,  G02F1/133603 ,  G02F1/133609 ,  G02F1/133611 ,  G02F1/133615 ,  G02F1/1368 ,  G02F2001/133614 ,  G02F2001/133624 ,  H01L24/45 ,  H01L33/502 ,  H01L33/504 ,  H01L2224/45015 ,  H01L2224/45124 ,  H01L2224/45144 ,  H01L2224/48091 ,  H01L2224/48247 ,  H01L2924/12041 ,  H01L2924/12042 ,  H01L2924/12044 ,  H01L2924/181 ,  H01L2924/3025 ,  H05B33/14 ,  H01L2924/00014 ,  H01L2924/00 ,  H01L2924/20752 ,  H01L2924/20753 ,  H01L2924/00012

Abstract: To provide a semiconductor light emitting device which is capable of accomplishing a broad color reproducibility for an entire image without losing brightness of the entire image.A light source provided on a backlight for a color image display device has a semiconductor light emitting device comprising a solid light emitting device to emit light in a blue or deep blue region or in an ultraviolet region and phosphors, in combination. The phosphors comprise a green emitting phosphor and a red emitting phosphor. The green emitting phosphor and the red emitting phosphor are ones, of which the rate of change of the emission peak intensity at 100° C. to the emission intensity at 25° C., when the wavelength of the excitation light is 400 nm or 455 nm, is at most 40%.

Abstract translation: 提供在用于彩色图像显示装置的背光源上的光源具有半导体发光装置，其包括在蓝色或深蓝色区域或紫外线区域中发光的固体发光装置和荧光体。 荧光体包括绿色发光荧光体和红色发光荧光体。 绿色发光荧光体和红色发光荧光体是当激发光的波长为400nm或455时，发光峰强度在100℃下的变化率与25℃下的发光强度的变化率 nm，至多40％。

公开(公告)号：US09228125B2

公开(公告)日：2016-01-05

申请号：US14029486

申请日：2013-09-17

Applicant: The Regents of the University of California ,  Mitsubishi Chemical Corporation

Inventor： Ram Seshadri ,  Alexander Birkel ,  Byungchul Hong ,  Jeffrey A. Gerbec

IPC: C09K11/77 ,  H01L33/50

CPC classification number: C09K11/7792 ,  H01L33/502 ,  H01L33/504

Abstract: A composition of matter including a phosphor having an emission peak in each of a blue, green, and red color region of the Electromagnetic spectrum, wherein the phosphor is excitable by light having a wavelength between 350 nanometers (nm) and 420 nm.

Abstract translation: 包括在电磁谱的蓝色，绿色和红色区域各自具有发射峰的磷光体的物质组合物，其中，所述荧光体可由具有350纳米（nm）至420nm的波长的光激发。

公开(公告)号：US09777213B2

公开(公告)日：2017-10-03

申请号：US14751789

申请日：2015-06-26

Applicant: MITSUBISHI CHEMICAL CORPORATION

Inventor： Byungchul Hong ,  Atsushi Oishi

IPC: C09K11/08 ,  C09K11/66 ,  C09K11/64 ,  H01L33/50

CPC classification number: C09K11/666 ,  C09K11/64 ,  C09K11/646 ,  H01L33/502 ,  H01L2224/48091 ,  H01L2224/48247 ,  H01L2924/181 ,  H01L2924/00014 ,  H01L2924/00012

Abstract: The phosphor of the present invention comprises a crystal phase having a chemical composition represented by the following formula [2], the crystal phase having no garnet structure, and the phosphor having an emission peak in a wavelength range of 600 nm to 650 nm by being activated by at least Mn4+, A2aiiB2biiC2ciiD2diiX2xii  formula [2].

公开(公告)号：US09120974B2

公开(公告)日：2015-09-01

申请号：US13852481

申请日：2013-03-28

Applicant: MITSUBISHI CHEMICAL CORPORATION

Inventor： Byungchul Hong ,  Naoto Kijima

IPC: C09K11/08 ,  C09K11/64 ,  C09K11/77 ,  H05B33/12 ,  H01L33/50

CPC classification number: C09K11/7734 ,  C09K11/0883 ,  H01L33/502 ,  H01L2224/48091 ,  H01L2224/48247 ,  H01L2924/181 ,  H05B33/12 ,  H01L2924/00014 ,  H01L2924/00012

Abstract: Provided is a phosphor having enhanced luminance with respect to that of conventional β-type sialon phosphors. A phosphor having enhanced luminance is obtained by causing Al, O (oxygen) and Eu to be present at specific concentrations in a produced β-type sialon phosphor. Specifically, provided is a β-type sialon phosphor containing Si, Al, O, N and Eu, wherein the Al concentration in the phosphor ranges from 0.80 mass % or higher to 2.25 mass % or lower, the O concentration ranges from 0.36 mass % or higher to 1.15 mass % or lower, the Eu concentration ranges from 0.40 mass % or higher to 0.80 mass % or lower and a ratio (Al/O) of the Al concentration with respect to the O concentration ranges from 2.0 or higher to 3.0 or lower.

Abstract translation: 提供了相对于常规的＆sigma; sialon荧光体而言具有增强亮度的荧光体。 通过使Al，O（氧）和Eu以特定浓度存在于所生产的型号的赛隆荧光粉中，获得具有增强的亮度的荧光体。 具体地说，提供了含有Si，Al，O，N，Eu的Si型AlGaN，其中，荧光体中的Al浓度为0.80质量％以上至2.25质量％以下，O浓度为0.36质量％ ％以上且1.15质量％以下，Eu浓度为0.40质量％以上至0.80质量％以下，Al浓度相对于O浓度的比（Al / O）为2.0以上〜 3.0以下。