Panasonic Intellectual Property Management Co., Ltd.

Panasonic Corporation

Matsushita Electric Industrial Co., Ltd.

Shozo Oshio

Takeshi Abe

Mitsuru Nitta

Toshihide Maeda

Katsuaki Iwama

Hiromi Kitahara

Hidenori Kamei

Kei Sakanoue

Yasuyuki Hanada

Tadaaki Ikeda

Masahiro Nakamura

Natsuki Sato

Tatsuya Okuno

Ryosuke Shigitani

Yasuharu Ueno

Noriyasu Tanimoto

Atsuyoshi Ishimori

Hiroshi Asano

Yosuke Honda

Youshin Lee

Yuki Kotani

Chigusa Fujiwara

Hideo Nagai

Masaaki Yuri

Kazuhiko Sugimoto

Kojiro Okuyama

Yoshihisa Nagasaki

Tomizo Matsuoka

Teruaki Shigeta

Nobumitsu Aibara

Shigeru Horii

Yukihiko Sugio

Koji Kitamura

Shunpei Fujii

Takeshi Nishiura

Tetsushi Konda

Shinji Shibamoto

Masaaki Akamatsu

Abe Takeshi

A light emitting device is a light emitting device for use in a photodynamic therapy. The light emitting device includes: a solid-state light-emitting element that emits primary light in which an energy density is 0.5 W/mmor more; and a wavelength converter including a first phosphor that emits first wavelength-converted light. The first wavelength-converted light has a light component across at least a whole of a wavelength range of 700 nm or more and less than 800 nm. Energy of fluorescence emitted from the wavelength converter is 100 mW or more. A medical device includes the light emitting device.

Light emitting device and medical device using same

A connection structure includes: a first structure body and a second structure body which is detachably connected to the first structure body. The first structure body includes a first fitting portion, and the second structure body includes a second fitting portion which is detachably fitted with the first fitting portion. At least one of the first fitting portion or the second fitting portion is an anisotropic elastic structure body including a periodic structure and having an elasticity which differs depending on a direction. When a fitting direction in which the first fitting portion and the second fitting portion are fitted together is a first direction, and a direction which is orthogonal to the first direction is a second direction, the anisotropic elastic structure body has an elasticity which is greater in the second direction than in the first direction.

Connection structure, decoration method, and connection structure body set

Provided is a phosphor represented by general formula (1) below,(Gd,Ln,M)M(Ga,M)O:Cr  (1)

Phosphor, light emitting device, light source for sensing system, and illumination system for sensing system

A light emitting device includes: a first light emitting element that emits a first light component; a second light emitting element that emits a second light component; a first phosphor that emits a third light component; and a second phosphor that emits a fourth light component. A spectral distribution of the output light has a trough portion within a wavelength range of 650 nm or more and 750 nm or less, and a minimum intensity value within the wavelength range is less than 30% of a maximum intensity value within a wavelength range of 380 nm or more and 2500 nm or less.

Light emitting device and electronic instrument using the same

Provided is an inspection device including: a light source including a phosphor; and a photodetector, and detecting, using the photodetector, reflected light of the inspection light reflected by the inspection object. A spectral distribution of the inspection light has at least one maximum value derived from fluorescence emitted by the phosphor, and the maximum value is within a wavelength range of 600 nm or more and 750 nm or less. When Pmax is set as a spectral intensity at the maximum value where the spectral intensity is largest at the at least one maximum value, a largest value of the spectral intensity in a wavelength range longer than 750 nm is 20% or more of Pmax and less than Pmax, and the spectral intensity within a wavelength range of 500 nm or more and 550 nm or less is less than 20% of Pmax.

Inspection device and inspection method

A structural body includes: a three-dimensional net shaped body including a plurality of net lines that form a three-dimensional net shape; and a plurality of objects respectively present in two or more of a plurality of spaces partitioned by the plurality of net lines. The plurality of objects are each a mobile object that moves within one of the plurality of spaces or moves over two or more of the plurality of spaces.

Structural body, system, and structural product

A wavelength converter includes a first phosphor activated with Cr; and a second phosphor activated with at least one ion of Ceor Eu. A fluorescence spectrum of a fluorescence emitted by the second phosphor has a peak where a fluorescence intensity shows a maximum value in a wavelength range of 500 nm or more to less than 580 nm. The wavelength converter emits a fluorescence having a light component over an entire range of 500 nm or more to less than 580 nm. The wavelength converter emits a light having a spectrum in which a ratio of a minimum light emission intensity to a maximum light emission intensity is 40% or less in a wavelength range of 550 nm or more to 700 nm or less.

Wavelength converter; and light emitting device, medical system, electronic apparatus, and inspection method using same

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, the first wavelength-converted light includes fluorescence based on electron energy transition of Cr, and a fluorescence spectrum of the first wavelength-converted light has a maximum fluorescence intensity value in region of a wavelength exceeding 710 nm.

Light-emitting device, electronic device, and method for using light-emitting device

A light emitting device includes a light source that emits a primary light having a light energy density exceeding 0.5W/mm, and a first phosphor that absorbs the primary light to convert the primary light into a first wavelength-converted light having a wavelength longer than that of the primary light. The first phosphor includes a compound serving as a host, the compound being a simple oxide including one kind of metal element or a composite oxide including a plurality of different kinds of the simple oxide as an end member. When an energy conversion value at a peak wavelength of the primary light is Eelectron volts and an energy conversion value at a fluorescence peak wavelength of the first wavelength-converted light is Eelectron volts, a bandgap energy of a crystal of the simple oxide is larger than a sum of the Eelectron volts and the Eelectron volts.

Light-emitting device, and electronic device and inspection method using same

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 Cr, and a fluorescence spectrum of the first wavelength-converted light has a maximum fluorescence intensity value in region of a wavelength exceeding 710 nm.

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.

Wavelength converting composite member, and light emitting device and electronic instrument employing same

A wavelength converterincludes: a first phosphorcomposed of an inorganic phosphor activated by Ce; and a second phosphorcomposed of an inorganic phosphor activated by Ceand different from the first phosphor. At least one of the first phosphor and the second phosphor is particulate. The first phosphor and the second phosphor are bonded to each other by at least one of a chemical reaction in a contact portion between the compound that constitutes the first phosphor and a compound that constitutes the second phosphor and of adhesion between the compound that constitutes the first phosphor and the compound that constitutes the second phosphor.

Wavelength converter and method for producing thereof, and light emitting device using the wavelength converter

Garnet silicate is garnet silicate containing, as a main component, silicate represented by a general formula: LuCaMg(SiO). The garnet silicate includes primary particles having a particle shape derived from a crystal structure of garnet. Moreover, the garnet silicate further contains alkaline metal including at least lithium, in which a content of the alkaline metal is less than 2000 ppm. The garnet silicate phosphor includes garnet silicate and ions which are included in the garnet silicate and function as a light emission center. The wavelength converter includes the garnet silicate phosphor. A light emitting device includes the garnet silicate phosphor or the wavelength converter.

Garnet silicate, garnet silicate phosphor, and wavelength converter and light emitting device which use the garnet silicate phosphor

An endoscope light emitting device () is a light emitting device for use in a fluorescence imaging method. The endoscope light emitting device includes: a solid-state light emitting element (); and a wavelength converter () including a first phosphor () that emits first wavelength-converted light (), wherein the first wavelength-converted light has a light component across at least a whole of a wavelength range of 700 nm or more and 800 nm or less. An endoscope () includes the endoscope light emitting device. A fluorescence imaging method is a method using the endoscope light emitting device or the endoscope, and includes the steps of: administering a fluorescent drug to a subject; and applying the first wavelength-converted light () to the subject with whom the fluorescent drug has made contact.

Endoscope light emitting device, endoscope using same, and fluorescence imaging method

A light emitting device includes: a solid-state light emitting element that radiates blue-series laser light; and a wavelength converterthat absorbs the laser light and performs wavelength conversion of the absorbed laser light into light with a longer wavelength than a wavelength of the laser light. The wavelength converter includes: a silicate phosphorcontaining LuCaMg(SiO):Ceas a main component; and an aluminate phosphorcontaining Lu(AlGa)(AlO):Ce(where x is a numeric value that satisfies 0&#x3c;x&#x2264;1) as a main component.

Growing community of inventors

Osaka, Japan

Shozo Oshio