Sharp Kabushiki Kaisha Corporation

Panasonic Intellectual Property Management Co., Ltd.

Shinya Ishizaki

Toshio Hata

Makoto Agatani

Tomokazu Nada

Toyonori Uemura

Makoto Matsuda

Tatsuya Morioka

Yoshiyuki Uchinono

Hitoshi Matsushita

Junichi Somei

Ryoji Yokotani

Koji Nishioka

Shinji Osaki

Kenji Hatazawa

Masaru Sugimoto

Hideyoshi Kimura

Satoshi Mori

Yutaka Iwahori

Yuji Kozuma

Masahide Muto

Takuma Hashimoto

Yutara Iwahori

Toshiyuki Suzuki

A light emitting device () includes light emitting elements (), conductor wirings (), and alignment marks () formed on a substrate (). The alignment marks () and the conductor wirings () are formed by printing.

Light emitting device and method for manufacturing light emitting device

The light-emitting device includes a substrate and a plurality of light-emitting sections. A first light-emitting section is made up of LED chips and a first fluorescent-substance-containing resin layer, and a second light-emitting section is made up of LED chips and a second fluorescent-substance-containing resin layer. The first fluorescent-substance-containing resin layer and the second fluorescent-substance-containing resin layer are provided in a plurality of locations such that the fluorescent-substance-containing resin layers for the different light-emitting sections are adjacently arranged.

Light emitting device, LED light bulb, spot lighting device, lighting device, and lighting equipment

A light emitting device includes: a ceramic substrate; a plurality of LED chips; a printed resistor(s) connected in parallel with the plurality of LED chips; a dam resin made of a resin having a low optical transmittance; a fluorescent-material-containing resin layer; and an anode-side electrode and a cathode-side electrode, (a) which are provided on a primary surface of the ceramic substrate so as to face each other along a first direction on the primary surface and (b) which are disposed below at least one of the dam resin and the fluorescent-material-containing resin layer. With the configuration in which a plurality of LEDs, which are connected in a series-parallel connection, are provided on a substrate, it is possible to provide a light emitting device which can achieve restraining of luminance unevenness and an improvement in luminous efficiency.

Light emitting device

A light-emitting device capable of ensuring an electric connection between a light-emitting element and an electrode without generating any problem in practical use, by both connecting methods with a solder and a connector, and a lighting device provided with the light-emitting device are provided. The light-emitting device according to the present invention has a plurality of LED chips, and a soldering electrode land and a connector connecting electrode land electrically connected to the chips, on a ceramic substrate. The soldering electrode land is formed of a first conductive material having a function to prevent diffusion to a solder, and the connector connecting electrode land is formed of a second conductive material having a function to prevent oxidation.

Light-emitting device and lighting device provided with the same

A substrate-type LED light source () includes: at least one blue LED chip () which has an emission peak in a range fromnm tonm so as to correspond to a blue light region absorption peak of chlorophyll; a red phosphor () which emit, upon receiving excitation light from the at least one blue LED chip (), light having a peak wavelength in a range fromnm tonm so as to correspond to a red light region absorption peak of chlorophyll; and a resin layer () in which the red phosphoris dispersed and which covers the at least one blue LED chip ().

Light emitting device, LED light source for plant cultivation, and plant factory

Provided is a light emitting device in which with the general color rendering index Ra and the special color rendering index R9 maintained at high numeric values, the light emission efficiency is prevented from being reduced as much as possible, and the high color rendering and the high efficiency are achieved so as to be usable for general lighting usage. The device includes at least one light emitting elementemitting a light having a peak emission wavelength in a near-ultraviolet to blue region, and a phosphor layercontaining a green phosphor excited by a primary light emitted from the light emitting elementand emitting a light having a peak emission wavelength in a green region, a first red phosphor excited by the primary light and emitting a light having a peak emission wavelength in a red region, and a second red phosphor exited by the primary light and emitting a light having a peak emission wavelength different from that of the first red phosphor in the red region.

Light emitting device with phosphors

The light-emitting device () includes a substrate () and a plurality of light-emitting sections. A first light-emitting section is made up of LED chips () and a first fluorescent-substance-containing resin layer (), and a second light-emitting section is made up of LED chips () and a second fluorescent-substance-containing resin layer (). The first fluorescent-substance-containing resin layer () and the second fluorescent-substance-containing resin layer () are provided in a plurality of locations such that the fluorescent-substance-containing resin layers for the different light-emitting sections are adjacently arranged.

Light emitting device, lighting device

A light emitting device () includes (i) a surface-mounted light emitting section (), (ii) a lens section () which is provided on a light exit side of the surface-mount light emitting section (), and (iii) a frame section () which fixes a periphery of the lens section (). In the surface-mounted light emitting section (), a resin layer () that contains a red fluorescent material () covers at least one (1) blue LED chip (). This allows the surface-mounted light emitting section () to emit (i) light that matches a peak wavelength which falls within a short wavelength range and (ii) light that matches a peak wavelength which falls within a long wavelength range.

Light emitting apparatus, and light irradiation apparatus provided with light emitting apparatus

LED illuminating device comprising light emitting device including LED chips on single substrate

Growing community of inventors

Osaka, Japan

Shinya Ishizaki