公开(公告)号：US09523034B2

公开(公告)日：2016-12-20

申请号：US14748274

申请日：2015-06-24

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Kojiro Okuyama ,  Seigo Shiraishi ,  Mitsuru Nitta

IPC: H01J1/62 ,  H01J63/04 ,  C09K11/77 ,  F21S2/00 ,  F21V9/08 ,  F21S8/10 ,  H01L33/50 ,  G02B27/01 ,  H01L33/32 ,  G03B21/20

CPC classification number: C09K11/7734 ,  F21S2/00 ,  F21S41/14 ,  F21S41/16 ,  F21S41/285 ,  F21V9/08 ,  G02B27/0101 ,  G02B2027/0112 ,  G03B21/204 ,  H01L33/32 ,  H01L33/502 ,  H01L2224/48091 ,  H01L2224/73265 ,  H01L2924/181 ,  H01L2924/00012 ,  H01L2924/00014

Abstract: A phosphor includes a host crystal including Sr3MgSi2O8 crystal and SrMgSiO4 crystal and also includes Eu2+, or Eu2+ and Mn2+ as luminescent centers. Alternatively, a phosphor includes a host crystal including Sr3MgSi2O8 crystal and SrMgSiO4 and also includes Eu2+ as a luminescent center, the phosphor being free from Mn2+ as a luminescent center. A light-emitting device includes a phosphor layer containing the phosphor. A projector and a vehicle include the light-emitting device.

Abstract translation: 磷光体包括包含Sr3MgSi2O8晶体和SrMgSiO4晶体的主晶体，并且还包括Eu2 +或Eu2 +和Mn2 +作为发光中心。 或者，荧光体包括包含Sr 3 MgSi 2 O 8晶体和SrMgSiO 4的主晶体，并且还包括Eu 2+作为发光中心，所述荧光体不含Mn 2+作为发光中心。 发光装置包括含有荧光体的荧光体层。 投影仪和车辆包括发光装置。

公开(公告)号：US11959632B2

公开(公告)日：2024-04-16

申请号：US17418278

申请日：2019-12-18

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Mitsuru Nitta ,  Shozo Oshio ,  Takeshi Abe

IPC: F21V9/30 ,  A61B5/00 ,  A61N5/06 ,  A61N5/067 ,  A61B1/04 ,  A61B1/06 ,  F21W131/20 ,  F21Y115/30

CPC classification number: F21V9/30 ,  A61B5/0071 ,  A61N5/062 ,  A61N5/067 ,  A61B1/043 ,  A61B1/0653 ,  F21W2131/20 ,  F21Y2115/30

Abstract: A light-emitting device includes: a light source that radiates primary light; and a first phosphor that absorbs the primary light and converts the primary light into first wavelength-converted light having a longer wavelength than the primary light, wherein the primary light is laser light, the first wavelength-converted light includes fluorescence based on electron energy transition of Cr3+, and a fluorescence spectrum of the first wavelength-converted light has a maximum fluorescence intensity value in region of a wavelength exceeding 710 nm.

公开(公告)号：US11692687B2

公开(公告)日：2023-07-04

申请号：US17919999

申请日：2021-04-19

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Mitsuru Nitta ,  Shozo Oshio ,  Chigusa Fujiwara

IPC: F21V9/38 ,  A61B90/30

CPC classification number: F21V9/38 ,  A61B2090/304

Abstract: Provided is a wavelength converting composite member including: a disk-shaped substrate; a first wavelength converting member provided on the substrate and containing a first phosphor that radiates fluorescence due to a parity-forbidden transition; and a second wavelength converting member provided on the substrate and containing a second phosphor that radiates fluorescence due to a parity-allowed transition. The first wavelength converting member and the second wavelength converting member are disposed adjacent to each other along the circumferential direction of the substrate. The first wavelength converting member and the second wavelength converting member are provided on the substrate in such a way that the position of the center of gravity of the entirety of the first wavelength converting member and the second wavelength converting member is located on the rotation axis of the substrate. A light emitting device is provided with the wavelength converting composite member.

公开(公告)号：US11168251B2

公开(公告)日：2021-11-09

申请号：US16169455

申请日：2018-10-24

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Nobuaki Nagao ,  Mitsuru Nitta

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

Abstract: A phosphor includes a crystal phase with a chemical composition (LuxY1-x)yM3-y-zCezβpγq. M denotes one or more elements selected from the group consisting of La, Sc, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, and Yb. β contains Si, which constitutes 90% or more by mole of β. γ contains N, which constitutes 90% or more by mole of γ. The variables x, y, z, p, and q satisfy 0

公开(公告)号：US11001753B2

公开(公告)日：2021-05-11

申请号：US15987213

申请日：2018-05-23

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Mitsuru Nitta ,  Nobuaki Nagao

IPC: C09K11/77 ,  C09K11/08 ,  H01L33/50 ,  C09K11/59

Abstract: A phosphor comprises a crystal phase that has a chemical composition of (Y1-x-y,Cex,Lay)αSiβ-zAlzNγO, where the α satisfies 5.5≤α≤6.5, the β satisfies 9.5≤β≤12.5, the γ satisfies 17.5≤γ≤22.5, the x satisfies 0

公开(公告)号：US09890912B2

公开(公告)日：2018-02-13

申请号：US15214837

申请日：2016-07-20

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Akira Hashiya ,  Taku Hirasawa ,  Yasuhisa Inada ,  Yoshitaka Nakamura ,  Mitsuru Nitta ,  Takeyuki Yamaki

IPC: H01L33/00 ,  F21K9/64 ,  F21S2/00 ,  G02B6/00 ,  G02B5/18 ,  H01L33/58 ,  H01L33/50

CPC classification number: F21K9/64 ,  F21S2/00 ,  G02B5/1809 ,  G02B5/1861 ,  G02B6/00 ,  H01L33/505 ,  H01L33/508 ,  H01L33/58

Abstract: A light-emitting apparatus includes a light-emitting device and an excitation light source. The light-emitting device includes a photoluminescent layer, a light-transmissive layer. At least one of the photoluminescent layer and the light-transmissive layer has a submicron structure having at least projections or recesses. Light emitted from the photoluminescent layer includes first light having a wavelength λa in air. The distance Dint between adjacent projections or recesses and the refractive index nwav-a of the photoluminescent layer for the first light satisfy λa/nwav-a

公开(公告)号：US09880336B2

公开(公告)日：2018-01-30

申请号：US15215595

申请日：2016-07-21

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Yasuhisa Inada ,  Taku Hirasawa ,  Yoshitaka Nakamura ,  Akira Hashiya ,  Mitsuru Nitta ,  Takeyuki Yamaki

IPC: F21V8/00 ,  F21S2/00 ,  G02B5/18 ,  G02B6/00 ,  H01L33/50 ,  H01L27/15 ,  H01L33/46 ,  H01L33/22

CPC classification number: G02B6/0003 ,  F21S2/00 ,  G02B5/18 ,  G02B6/00 ,  G02B6/0038 ,  G02B6/0055 ,  H01L27/156 ,  H01L33/22 ,  H01L33/46 ,  H01L33/50

Abstract: A light-emitting device includes a photoluminescent layer, a light-transmissive layer located on the photoluminescent layer, and a multilayer mirror layered together with the photoluminescent layer and the light-transmissive layer. At least one of the photoluminescent layer and the light-transmissive layer has a submicron structure. The submicron structure has at least projections or recesses arranged perpendicular to the thickness direction of the photoluminescent layer. The photoluminescent layer emits light including first light having a wavelength λa in air. The distance Dint between adjacent projections or recesses and the refractive index nwav-a of the photoluminescent layer for the first light satisfy λa/nwav-a

公开(公告)号：US09785039B2

公开(公告)日：2017-10-10

申请号：US14832117

申请日：2015-08-21

Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.

Inventor： Atsushi Motoya ,  Kenta Watanabe ,  Ran Zheng ,  Sachiko Azuma ,  Yoshihisa Nagasaki ,  Takahiro Hamada ,  Mitsuru Nitta ,  Takashi Maniwa ,  Toshio Mori ,  Kazuhiro Matsuo

IPC: G03B21/20 ,  H01L33/50 ,  H01S5/00 ,  G02B27/14

CPC classification number: G03B21/204 ,  G02B27/141 ,  G03B21/2066 ,  H01L2933/0041 ,  H01S5/0092

Abstract: A wavelength conversion member includes a substrate, a dichroic mirror layer, an SiO2 layer, a ZnO layer, and a phosphor layer, which are sequentially stacked from the substrate. The dichroic mirror layer reflects at least part of light incident from the above. The phosphor layer includes a plurality of phosphors and ZnO between the phosphors.

公开(公告)号：US09518215B2

公开(公告)日：2016-12-13

申请号：US14618254

申请日：2015-02-10

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Taku Hirasawa ,  Yasuhisa Inada ,  Yoshitaka Nakamura ,  Akira Hashiya ,  Mitsuru Nitta ,  Takeyuki Yamaki

IPC: H01L33/00 ,  C09K11/00 ,  H05B33/14 ,  H01L33/50 ,  C09K11/77

CPC classification number: C09K11/00 ,  C09K11/7721 ,  H01L33/508 ,  H05B33/14

Abstract: A light-emitting device includes a photoluminescent layer that emits light containing first light, a light-transmissive layer located on or near the photoluminescent layer, and one or more reflectors. A submicron structure is defined on at least one of the photoluminescent layer and the light-transmissive layer. The one or more reflector are located outside the submicron structure. The submicron structure includes at least projections or recesses and satisfies the following relationship: λa/nwav-a

公开(公告)号：US09376617B2

公开(公告)日：2016-06-28

申请号：US14855174

申请日：2015-09-15

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Osamu Inoue ,  Kojiro Okuyama ,  Mitsuru Nitta ,  Seigo Shiraishi

IPC: H01L33/00 ,  C09K11/77 ,  H01L33/50

CPC classification number: C09K11/7794 ,  C09K11/7736 ,  H01L33/502

Abstract: A fluorescent material according to an aspect of the present disclosure mainly comprises a compound represented by AB0.5-w-x-y-zCwEuxSmyLnzW0.5O3. A is one or more elements selected from the group consisting of alkaline earth metals and mainly contains Ca. B is one or more elements selected from the group consisting of divalent metals and mainly contains Mg. C is one or more elements selected from the group consisting of alkali metals and mainly contains Li, Na, or Li and Na. Ln is one or more elements selected from the group consisting of rare earth elements excluding Eu and Sm. w, x, y, and z meet the following conditions: 0.05≦w≦0.25, 0.05≦x+y≦0.25, 0.0≦y≦0.02, and w=x+y+z.

Abstract translation: 根据本公开的一个方面的荧光材料主要包含由AB0.5-w-x-y-zCwEuxSmyLnzW0.5O3表示的化合物。 A是选自碱土金属和主要含有Ca的一种或多种元素。 B是选自二价金属和主要含有Mg的一种或多种元素。 C是选自碱金属中的一种或多种元素，主要含有Li，Na或Li和Na。 Ln是选自除了Eu和Sm之外的稀土元素的一种或多种元素。 w，x，y和z满足以下条件：0.05＆nlE; w＆nlE; 0.25,0.05＆nlE; x + y＆nlE; 0.25,0.0＆amp; nlE; y＆nlE; 0.02，w = x + y + z。