公开(公告)号：US20230160558A1

公开(公告)日：2023-05-25

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

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：US20230241409A1

公开(公告)日：2023-08-03

申请号：US18010488

申请日：2021-06-10

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Mitsuru NITTA ,  Shozo OSHIO ,  Chigusa FUJIWARA ,  Ryosuke SHIGITANI

IPC: A61N5/06 ,  C09K11/77

CPC classification number: A61N5/0616 ,  C09K11/77 ,  A61N2005/0644 ,  A61N2005/0658

Abstract: Provided is a light irradiation type cosmetic apparatus including a light emitting device including: a light source that emits primary light; and a first phosphor that absorbs the primary light and converts the primary light into first wavelength-converted light having a wavelength longer than that of the primary light, wherein the light source is a solid-state light source having a rated output of 1 W or more, the primary light is light emitted from the solid-state light source, the first wavelength-converted light contains fluorescence based on an electron energy transition of Cr3+, and the first wavelength-converted light has a fluorescence spectrum having a fluorescence intensity maximum value in a wavelength range exceeding 710 nm.

公开(公告)号：US20230238768A1

公开(公告)日：2023-07-27

申请号：US18010911

申请日：2021-06-09

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Mitsuru NITTA ,  Chigusa FUJIWARA ,  Shozo OSHIO

IPC: H01S5/02251 ,  H01S5/00 ,  A61B1/06

CPC classification number: H01S5/02251 ,  H01S5/0087 ,  A61B1/0653 ,  A61B1/0638 ,  A61B1/043

Abstract: Provided is a light emitting device including a light source that emits primary light; and a wavelength converter that includes a first phosphor that absorbs the primary light and emits first wavelength-converted light, wherein the light emitting device emits output light including the first wavelength-converted light, the first wavelength-converted light is near-infrared light having a fluorescence intensity maximum value within a wavelength range of 700 nm or more and less than 800 nm, the first wavelength-converted light mainly contains a broad fluorescent component based on an electron energy transition of 4T2→4A2 of Cr3+, and the broad fluorescent component has a fluorescence spectrum half-width that is less than 100 nm.