Stanley Electric Co., Ltd

Kosaburo Ito

Toshihiro Seko

Akihiko Hanya

Kazuhiko Ueno

Naoto Suzuki

Norifumi Imazeki

Hiroyuki Chikama

Soji Owada

Takuya Yamamoto

Haruna Minami

Marino Mine

Yoshiyuki Abe

Hiroto Fukushima

Takeshi Waragaya

Reiki Tada

Tsukasa Imura

Kenji Akisada

Takeshi Waragawa

The present invention provides a panel capable of switching between a state transparent to external light, a point light emitting state, and a surface light emitting state. Provided is a transparent panel provided with light emitting function, including: an LED die; a light transmitting substrate for LED, on which the LED die is mounted; a wiring pattern provided on a surface of the light transmitting substrate for LED and bonded to the LED die; and a light diffusing panel laminated on the light transmitting substrate for LED. The light diffusing panel includes: a pair of light transmitting substrates for liquid crystal; a liquid crystal layer sandwiched between the pair of light transmitting substrates for liquid crystal; and transparent conductive films disposed on the light transmitting substrates for liquid crystal, and is switchable between a transparent state and a light diffusion state.

Transparent panel provided with light emitting function

A vehicular lamp fitting comprising a film light source that includes a transparent film having flexibility, and a plurality of semiconductor light-emitting elements which are fixed in a state of being two-dimensionally disposed on at least a front surface of the transparent film; and a reflection surface that is disposed in a state of facing a rear surface of the transparent film of the film light source, and that reflects light which is emitted from a part or all of the plurality of semiconductor light-emitting elements and transmitted through the transparent film.

Vehicular lamp fitting

Provided is a vehicular lamp which has a novel lighting appearance and satisfies a light distribution standard required by certain laws as well as being capable of realizing lighting patterns of various luminances and various light-emitting shapes, e.g., various lighting graphics. The vehicular lamp is provided with a film light source including a film having flexibility and a plurality of semiconductor light-emitting elements fixed in a state of being two-dimensionally disposed on at least a surface of the film.

Vehicular lamp

A thin light-transmitting substrate showing high thermal conduction efficiency, and having a function of raising surface temperature thereof is provided. The light-transmitting substrate of the present invention comprises a substrate that transmits at least a light of a predetermined wavelength, and a conductor pattern that is disposed on the substrate, and generates heat to raise temperature of the surface of the substrate when it is supplied with an electric current. The conductor pattern is directly disposed on the substrate without any adhesive layer.

Light-transmitting substrate, display device, signal device, and illumination device

A semiconductor light-emitting device can include a wavelength converting layer including a surrounding portion, which covers at least one semiconductor light-emitting chip in order to emit various colored lights including white light. The semiconductor light-emitting device can include a substrate, a frame located on the substrate, the chip mounted on the substrate, a transparent material layer located on the wavelength converting layer so as to reduce from the wavelength converting layer toward a light-emitting surface thereof, and a reflective material layer disposed at least between the frame and both side surfaces of the wavelength converting layer and the transparent material layer. The semiconductor light-emitting device can be configured to improve light-emitting efficiency and a color variation by using the surrounding portion and an inclined side surface of transparent material layer, and therefore can emit various colored lights including white light having a high light-emitting efficiency from a small light-emitting surface.

Semiconductor light-emitting device

A reliable semiconductor light-emitting apparatus and a headlight using the light-emitting apparatus provided with a light source module including a semiconductor light-emitting device and a wavelength converting module including a wavelength converting layer. The wavelength converting module can include a base having a mounting board, which mounts the wavelength converting layer via metallic bumps, and the base can be configured to attach the light source module directly or via a connecting guide including an optical fiber, and therefore can transmit light emitted from the light-emitting device towards the wavelength converting layer while efficiently radiating heat generated from the wavelength converting layer. Thus, the disclosed subject matter can provide reliable semiconductor light-emitting apparatuses having a high thermal resistance that can emit various color lights having favorable optical characteristics, which can also include the optical fiber, and which can be used for the headlight that can provide a favorable light distribution pattern.

Semiconductor light-emitting apparatus and vehicle headlight

A semiconductor light-emitting device and a method for manufacturing the same can include a wavelength converting layer located on at least one semiconductor light-emitting chip in order to emit various colored lights including white light. The semiconductor light-emitting device can include a base board, the chip mounted on the base board and a transparent plate disposed on the wavelength converting layer including a spacer and a phosphor having a high density. The wavelength converting layer can be formed in a thin uniform thickness between the transparent plate and a top surface of the chip using the spacer so as to extend toward the transparent plate. The semiconductor light-emitting device can be configured to improve light-emitting efficiency of the chip by using the thin wavelength converting layer including the phosphor having a high density, and therefore can emit a wavelength-converted light having a high light-emitting efficiency from a small light-emitting surface.

Semiconductor light-emitting device for producing wavelength-converted light and method for manufacturing the same

There is provided a method for producing a light emitting device having a small light emitting area and showing high light extraction efficiency. An uncured resin' is dropped on either one or both of a light emitting elementand a tabular memberin such an amount that the resin is maintained on them by surface tension, the light emitting elementand the tabular memberare piled up with the uncured resin&#x2032; maintained between them and on a side of the light emitting element by surface tension of the uncured resin&#x2032; to form an uncured resin layer&#x2032; having an inclined side, and then the resin layeris cured. The tabular member is constituted with a material having an alkali metal oxide content of 0.2% by weight or lower.

Light-emitting device having fluorescent substance particles and spacer particles, and method for manufacturing the same

A semiconductor light-emitting device and a method for manufacturing the same can include a wavelength converting layer in order to emit various colored lights including white light. The device can include a board, a frame located on the board, at least one light-emitting chip mounted on the board, the wavelength converting layer located between an optical plate and an outside surface of the chips so that a density of a peripheral region is lower than that of a middle region, and a reflective material layer disposed at least between the frame and a side surface of the wavelength-converting layer. The device can have the reflective material layer form each reflector and can use a wavelength converting layer having different densities, and therefore can emit a wavelength-converted light having a high light-emitting efficiency and a uniform color tone from various small light-emitting surfaces.

Semiconductor light emitting device having a reflective material, wavelength converting layer and optical plate with rough and plane surface regions, and method of manufacturing

A semiconductor light-emitting device and a method for manufacturing the same can include a wavelength converting layer located over at least one semiconductor light-emitting chip in order to emit various colored lights including white light. The semiconductor light-emitting device can include a base board, a frame located on the base board, the chip mounted on the base board, a transparent material layer located between the wavelength converting layer and a side surface of the chip so as to extend toward the wavelength converting layer, and a reflective material layer disposed at least between the frame and both side surfaces of the wavelength converting layer and the transparent material layer. The semiconductor light-emitting device can be configured to improve light-emitting efficiency of the chip by using the reflective material layer as a reflector, and therefore can emit a wavelength-converted light having a high light-emitting efficiency from a small light-emitting surface.

Semiconductor light emitting device having a reflective material with a side slant surface and method of manufacturing

A semiconductor light-emitting device and a method for manufacturing the same can include a wavelength converting layer in order to emit various colored lights including white light. The semiconductor light-emitting device can include a base board, a frame located on the base board, at least one light-emitting chip mounted on the base board, the wavelength converting layer located between an optical plate and each outside surface of the chips so as to extend toward the optical plate using a meniscus control structure, and a reflective material layer disposed at least between the frame and both side surfaces of the wavelength converting layer and the optical plate. The semiconductor light-emitting device can be configured to improve light-emitting efficiency and color variability between the light-emitting chips by using the reflective material layer as each reflector, and therefore can emit a wavelength-converted light having a high light-emitting efficiency from various small light-emitting surfaces.

Semiconductor light emitting device having an optical plate including a meniscus control structure and method of manufacturing

A semiconductor light-emitting device and a method for manufacturing the same can include a wavelength converting layer encapsulating at least one semiconductor light-emitting chip to emit various colored lights including white light. The semiconductor light-emitting device can include a base board with the chip mounted thereon, a frame located on the base board, a transparent plate located on the wavelength converting layer, a reflective material layer disposed between the frame and both side surfaces of the wavelength converting layer and the transparent plate, and a light-absorbing layer located on the reflective material layer. The semiconductor light-emitting device can be configured to improve light-emitting efficiency and a contrast between a light-emitting and non-light-emitting surfaces by using the transparent material and light-absorbing layer. A wavelength-converted light that is emitted can have a high light-emitting efficiency and a high contrast between a light-emitting and non-light-emitting surface from a small light-emitting surface.

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Tokyo, Japan

Kosaburo Ito