Toyoda Gosei Co., Ltd.

Hitoshi Omori

Masanori Aritake

Yuhki Ito

Mitsunobu Teramoto

Yuta Morimura

Kenichi Matsuura

Kurato Okajima

Kinji Hayashi

A light-emitting device includes a substrate, and a plurality of light-emitting elements that are mounted on the substrate and each emit light within a same color region. The plurality of light-emitting elements satisfy at least one of a first condition and a second condition. The first condition is that a maximum deviation in peak wavelength of light emitted from the plurality of light-emitting elements is not less than 1.25 nm. The second condition is that a maximum deviation in threshold voltage of the plurality of light-emitting elements is not less than 0.05 V.

Light-emitting device

A linear light source includes a plurality of LED chips that are linearly arranged along a first direction, and a reflector including a first tapered sidewall sandwiching the LED chips in the first direction and a second tapered sidewall sandwiching the LED chips in a second direction intersecting with the first direction. The LED chips are surrounded by first tapered sidewall and second tapered sidewall, and the second tapered sidewall is lower than the first tapered sidewall.

Linear light source and planar light source

The linear light source apparatus includes an elongated rectangular wiring substrate; a plurality of light-emitting devices which are aligned on a straight line on the top surface of the wiring substrate; reflectors provided on the top surface such that each reflector corresponds to one light-emitting device; a sealing resin portion which seals each of the light-emitting devices; and a heat radiation sheet provided on the bottom surface of the wiring substrate. A plurality of grooves are provided on the bottom surface of the substrate. Each groove is formed so as to have a line shape and to extend in a lateral direction of the wiring substrate. Each of the grooves is located between adjacent light-emitting devices. The heat radiation sheet is provided on the entire bottom surface of the wiring substrate.

Linear light source apparatus

An extruded product formed by extrusion molding and continuing in a longitudinal direction includes: an extruded product body; and a decoration layer provided integrally on a surface of the extruded product body, wherein the decoration layer is provided on a substantially entire surface of the decoration layer by combining an irregular surface pattern and a plurality of linear grooves on the surface thereof, and the depth of the linear groove is deeper than the depth of the irregular surface pattern.

Extruded product

An automobile trim has a trim body (a base layer) formed of a rubber composition and having a design surface, a decorating layer formed of a thermoplastic elastomer composition and thermally bonded integrally with the design surface of the trim body. A thermal bonding layer is formed of a thermoplastic resin composition and interposed between the decorating layer and the trim body so that the decorating layer is thermally bonded integrally with the trim body through the thermal bonding layer. The thermal bonding layer has a thickness to an extent not to prevent bending flexibility when the trim is attached to a vehicle body. In another example, a cushion layer is laminated on the trim body and formed of sponge rubber of EPDM, a decorating layer is laminated on the cushion layer and formed by foaming olefin thermoplastic elastomer, and an olefin bonding layer for bonding the cushion layer and the decorating layer.

Method for manufacturing automobile weather strip

A vehicle glass run is formed with a horizontal-side extrusion part, vertical-side extrusion parts, and corner molding parts for connecting the terminal ends of those in an L shape by molding. The horizontal-side extrusion part and the vertical-side extrusion parts are made of a first material of an olefin thermoplastic elastomer. The corner molding parts are made of a second material which is an olefin thermoplastic elastomer and has a melt flow rate lower than that of the first material. The material swiftly reaches the terminal ends of the extrusion parts, and heat welds them together.

Vehicle glass run having molded corner parts with varying cross sections

Automobile trim

A door weather strip having an extruded member and a molded corner for connecting ends of the extruded member. The extruded member is composed of a foamed thermoplastic olefin elastomer which has an average cell diameter of 30 to 70 &mgr;m and an expansion ratio of 150 to 250%.

Door weather strip

A vehicle glass run is formed with a horizontal-side extrusion part, vertical-side extrusion parts, and corner molding parts for connecting the terminal ends of those in an L shape by molding. The horizontal-side extrusion part and the vertical-side extrusion parts are made of a first material of an olefin thermoplastic elastomer. The corner molding parts are made of a second material which is an olefin thermoplastic elastomer and has a viscosity lower than that of the first material. The material swiftly reaches the terminal ends of the extrusion parts, and heat welds them together.

Vehicle glass run and method of manufacturing the same

A glass run that is fitted inside the doorframe of a motor vehicle reduces noise due to the use of a fine lubricant powder. The powder prevents noise of inner lips of the glass run. which strike and separate from inner walls of the glass run. The fine powder, such as silicon powder, polyaminde resin powder, molybdenum disulfide powder and fatty acid amide powder, is contained in the main body of an EPDM rubber or TPO in a dispersed condition. Alternatively, foam rubber layers may be formed on the inside walls to reduce noise.

Glass run including fine lubricant powder for reducing noise

A glass run comprised of at least one molded part. The molded part comprises a channel portion having a bottom portion, side walls, seal lips projecting from the side walls and one or more gutters provided on the surface of the bottom portion for discharging debris.

Growing community of inventors

Nishikasugai-gun, Japan

Hitoshi Omori