Nichia Corporation

Tomoaki Tsuruha

Kenji Ozeki

Tomonori Miyoshi

Noritsugu Uchiwa

Masafumi Kuramoto

Masaki Hayashi

Daisuke Iwakura

Satoshi Okada

A light emitting apparatus includes: an electrically insulating base member having, in a top plan view, a first edge, a second edge opposite the first edge, a third edge, and a fourth edge opposite the third edge, wherein the first and second edges of the base member extend in a first direction, and the third and fourth edges of the base member extend in a second direction; first and second electrically conductive pattern portions formed on an upper surface of the base member; at least one light emitting device that is electrically connected to the first and second electrically conductive pattern portions; a transparent member disposed on the at least one light emitting device; and a resin portion that surrounds the transparent member in the top plan view, and that partially covers the first and second electrically conductive pattern portions.

Light emitting apparatus and production method thereof

A light emitting apparatus includes: an electrically insulating base member that has first and second sides extending in a width direction, and third and fourth sides extending in a length direction, wherein the third and fourth sides are longer than the first and second sides; a plurality of electrically conductive pattern portions; a plurality of light emitting devices mounted on the electrically conductive pattern portions, the light emitting devices being arrayed in the length direction; a protection element that is flip chip mounted on the electrically conductive pattern portions and located, in the plan view, between the light emitting devices and the third side of the base member in the width direction; a first resin part that has a frame shape; a second resin part that is located in the first resin part; and at least one transparent member located on the light emitting devices.

A method of manufacturing a light emitting device includes: providing particles of a fluorescent material; providing a substrate having a light emitting element mounted thereon; providing a first resin solution and a second resin solution that are two components of a two-component type curable resin; mixing the particles of the fluorescent material in the first resin solution to obtain a first suspension; allowing the first suspension to stand; mixing the second resin solution with the first suspension to obtain a second suspension after the allowing of the first suspension to stand; and applying the second suspension on the light emitting element and curing the second suspension to obtain a sealing member.

Method of manufacturing light emitting device

A light emitting apparatus includes an electrically insulating base member; a first electrically conductive pattern portion and a second electrically conductive pattern portion formed on an upper surface of the base member; a plurality of intermediate electrically conductive pattern portions arranged between the first and second electrically conductive pattern portions; at least one light emitting device mounted on at least one of the intermediate electrically conductive pattern portions; a protection element mounted on the first and second electrically conductive pattern portions; and a resin portion disposed around the at least one light emitting device such that (i) the first and second electrically conductive pattern portions are partially covered by the resin portion and partially exposed from the resin portion, and (ii) the protection element is covered by the resin portion.

A method of manufacturing a light emitting device includes: providing particles of a fluorescent material; providing a substrate having a light emitting element mounted thereon; providing a first resin solution and a second resin solution that are two components of a two-component type curable resin; mixing the particles of the fluorescent material in the first resin solution to obtain a first suspension; mixing the second resin solution with the first suspension to obtain a second suspension, and applying the second suspension on the light emitting element and curing the second suspension to obtain a sealing member.

To provide a light emitting device having high light extraction efficiency, and a method for manufacturing the light emitting device. A method for manufacturing a light emitting device () according to the present invention, includes: forming a sealing member () for sealing a light emitting element () on a base body () by dropping, the base body () including a conductive member () for connecting to the light emitting element (), and a molding () integrally molded with the conductive member (); the sealing member () being formed such that at least a part of a periphery of the sealing member () is located on an outward surface () of the conductive member () or the molding (), the outward surface facing outward in a top view.

Light emitting device and method for manufacturing the same

A light emitting apparatus includes an electrically insulating base member having a longitudinal direction; a pair of electrically conductive pattern portions formed on an upper surface of the base member; at least one light emitting device that is electrically connected to the pair of electrically conductive pattern portions; and a resin portion that surrounds at least a side surface of the at least one light emitting device with at least an upper surface of the at least one light emitting device being exposed from the resin portion and partially covers the pair of electrically conductive pattern portions. Each of the pair of electrically conductive pattern portions extends toward a periphery of the base member from resin-covered parts of the electrically conductive pattern portions. Each of the electrically conductive pattern portions forms a narrower area and a wider area in the longitudinal direction.

A light emitting apparatus comprises an electrically insulating base member; a pair of electrically conductive pattern portions formed on an upper surface of the base member; at least one light emitting device that is electrically connected to the pair of electrically conductive pattern portions; and a resin portion that surrounds at least a side surface of the at least one light emitting device and partially covers the pair of electrically conductive pattern portions. Each of the pair of electrically conductive pattern portions extends toward a periphery of the base member from resin-covered parts of the electrically conductive pattern portions. At least the resin-covered parts of each of the electrically conductive pattern portions has at least one elongated through hole extending in a direction in which the electrically conductive pattern portions extend from the resin-covered parts, wherein the resin portion contacts the base member via the through holes.

Growing community of inventors

Anan, Japan

Tomoaki Tsuruha