Nichia Corporation

Masahiko Sano

Motokazu Yamada

Shuji Shioji

Isamu Niki

Shunsuke Minato

Katsuyoshi Kadan

Toru Takasone

Shinichi Nagahama

Masatsugu Ichikawa

Masashi Yamamoto

Keiji Emura

Daisuke Sanga

Takahiko Sakamoto

Keiji Sakamoto

Tomoya Yanamoto

Mitsuhiro Nonaka

Masakatsu Tomonari

Kazumi Kamada

Shuji Nakamura

Tokuya Kozaki

Takafumi Sugiyama

Dai Wakamatsu

Daisuke Morita

Yoshiki Inoue

Kunihiro Izuno

Toshiyuki Hirai

So Sakamaki

Naoki Azuma

Shoichi Yamada

Tomohiro Shimooka

Yasunori Nagahama

Ryohei Hirose

Hiroshi Yoneda

Kouki Matsumoto

Kinya Ichikawa

Yukitoshi Marutani

Toshiaki Yamashita

Takayoshi Wakaki

Hisashi Kasai

Hiroaki Yuto

Shinya Sonobe

Naoki Eboshi

Hitoshi Maegawa

Kazuyuki Akaishi

Susumu Harada

Toshiaki Ogawa

Masami Kumano

Akira Kitano

Hiroyuki Inoue

Koji Honjo

A light emitting device including a first light emitting element and an optical member disposed over the first light emitting element. The optical member includes a light transmissive member and a ceramic component. The light transmissive member has a first upper surface, a second upper surface, and a lower surface opposing to the first upper surface and a second upper surface. The ceramic component is disposed on the second upper surface of the light transmissive member. The light transmissive member and the ceramic component each has a portion that overlaps with the first light emitting element when viewed in plan view.

Light emitting device

The present invention provides a light emitting element capable or realizing at least one of lower resistance, higher output, higher power efficiency (1 m/W), higher mass productivity and lower cost of the element using a light transmissive electrode for an electrode arranged exterior to the light emitting structure. A semiconductor light emitting element includes a light emitting section, a first electrode and a second electrode on a semiconductor structure including first and second conductive type semiconductor layers, the first and the second electrodes respectively including at least two layers of a first layer of a light transmissive conductive film conducting to the first and the second conductive type semiconductor and a second layer arranged so as to conduct with the first layer. First and second light transmissive insulating films are respectively arranged so as to overlap at least one part of the first and the second layers.

Semiconductor light emitting element

A light emitting apparatus includes: a mount substrate; one or more light emitting devices located above the mount substrate; a light conversion member located above the one or more light emitting devices; and a covering member that contains a light reflective material and covers the one or more light emitting devices. The light conversion member includes: a light emission surface facing upward, a lateral surface facing laterally, and a light receiving surface facing downward. The covering member covers the lateral surface of the light conversion member, and is interposed between the mount substrate and the one or more light emitting devices.

Light emitting apparatus and method for producing the same

A light emitting device can further improve light extraction efficiency. A method of manufacturing such a light emitting device can also prove advantageous. The light emitting device includes a light emitting element, a light-transmissive member which is disposed on a light extracting surface side of the light emitting element, and a reflecting layer disposed on an element bonding surface of the light transmissive member where the light emitting element is disposed and adjacent to the light emitting element. The light-transmissive member, in a plan view, has a planar dimension greater than the light extracting surface of the light emitting element.

Light emitting device and method of manufacturing light emitting device

A light emitting apparatus includes: a mount substrate; at least one light emitting device mounted on the mount substrate; a light transparent member, wherein a lower surface of the light transparent member is attached to an upper surface of the at least one light emitting device via at least one adhesive material layer, wherein the light transparent member has a plate shape and is positioned to receive incident light emitted from the light emitting devices, and wherein a lateral surface of the light transparent member is located laterally inward of a lateral surface of the at least one light emitting device; and a covering member that contains a light reflective material and covers at least the lateral surface of the light transparent member.

A light emitting device including a mounting board, one or more light emitting elements, a light transmissive member, and a light reflective member. The light emitting element(s) are mounted on the mounting board, and each include an upper surface. The light transmissive member is bonded to the upper surface of each of the light emitting element(s). The light transmissive member has an upper surface and a lower surface, and allows light from the light emitting element(s) to be incident on the lower surface of the light transmissive member and to be output from the upper surface of the light transmissive member. The light reflective member covers surfaces of the light transmissive member and lateral surfaces of the light emitting element(s) and exposes the upper surface of the light transmissive member. At least a first portion of the mounting board is exposed from the light reflective member in a plan view.

A light emitting module includes a substrate, a light reflective resin layer, wiring electrodes and a light emitting element. The light reflective resin layer is arranged on the substrate. The wiring electrodes are arranged over the substrate with the light reflective resin layer being interposed between the substrate and the wiring electrodes. The light emitting element has an electrode formation surface including a positive and negative pair of element electrodes, and a light emitting surface on a side opposite to the electrode formation surface. The light emitting element is arranged on top surfaces of the wiring electrodes with the element electrodes facing the top surfaces of the wiring electrodes.

Light emitting module

A fluorescent module includes a fluorescent member including a phosphor-containing layer, and a light reflecting layer disposed on the phosphor-containing layer. The phosphor-containing layer contains a YAG phosphor and a Ga-YAG phosphor within the same layer, the Ga-YAG phosphor being a phosphor in which a portion of the aluminum constituting the YAG phosphor is substituted with gallium. A volumetric ratio of the Ga-YAG phosphor to the entirety of the YAG phosphor and the Ga-YAG phosphor is in a range of 19.0% to 80%.

Fluorescent module and illumination device

A method of manufacturing a display deviceincludes: providing a substrate including at least one sub-pixel defined therein and a first wiring disposed for the sub-pixel, and the light-emitting element that includes a first electrode disposed on a lower surface and a second electrode disposed on at least two lateral surfaces intersecting with each other; mounting the light-emitting element on the substrate and electrically connecting the first electrode to the first wiring; forming a resin member covering the at least one light-emitting element, on the substrate, exposing a portion of the second electrode from an upper surface of the resin member by removing an upper portion of the resin member; and forming a second wiring with a mesh shape on the resin member such that a portion of the second wiring is disposed on the light-emitting element to electrically connect the second wiring to the second electrode.

Display device and method of manufacturing display device

A method of manufacturing a display deviceincludes: providing a substrate including sub-pixel defined therein and a first wiring disposed for the sub-pixel, and light-emitting element having a lower surface and a lateral surface and including a first electrode disposed on the lower surface, and a second electrode disposed on the lateral surface; mounting the light-emitting element and electrically connecting the first electrode to the first wiring; forming a resin member on the substrate and covering the light-emitting element; exposing an upper portion of the light-emitting element from an upper surface of the resin member such that the second electrode is partially exposed by removing an upper portion of the resin member; and forming a second wiring on the upper surface of the resin member excluding a portion of the light-emitting element exposed from the resin member and electrically connecting the second wiring to the second electrode.

Method of manufacturing display device with lateral wiring

A light emitting apparatus includes: a mount substrate; a first light emitting device mounted on the mount substrate; a light transparent member, wherein a lower surface of the light transparent member is attached to an upper surface of the first light emitting device via an adhesive material, wherein the light transparent member has a plate shape and is positioned to receive incident light emitted from the first light emitting device, and wherein a first lateral surface of the light transparent member is located laterally inward of a lateral surface of the first light emitting device; and a covering member that contains a light reflective material and covers at least the lateral surface of the light transparent member.

A fluorescent module includes a fluorescent member, a heat dissipation member, and an optical relaxation member. The fluorescent member includes a phosphor-containing layer, and a light reflecting layer. The fluorescent member is secured to the heat dissipation member so that the light reflecting layer is arranged between the phosphor-contacting layer and the heat dissipation member. The optical relaxation member is configured to absorb and/or diffuse light. The optical relaxation member is arranged with respect to the fluorescent member so that the light reflecting layer is arranged between the phosphor-containing layer and the optical relaxation member.

Growing community of inventors

Anan, Japan

Masahiko Sano