Nichia Corporation

Kazuhiro Kamada

Motokazu Yamada

Mototaka Inobe

Tomohisa Kishimoto

Yusaku Achi

Satoshi Yoshinaga

Ryota Seno

A light emitting device includes a substrate; a light emitting element mounted on an upper surface of the substrate; a light-reflecting member surrounding lateral surfaces of the light emitting element; and a sealing member disposed over an upper surface of the light emitting element and an upper surface of the light-reflecting member. An outer edge of the upper surface of the light-reflecting member coincides with an outer edge of a lower surface of the sealing member.

Method of manufacturing light emitting device including metal patterns and cut-out section

A method of manufacturing a light emitting device includes providing a substrate and establishing metallization on an upper surface of the substrate. A light emitting element is mounted on top of the metallization, and the metallization and light emitting element are electrically connected. Light reflective resin is provided at a position surrounding the light emitting element to reflect light from the light emitting element. The surfaces of metallization, a surface of the light emitting element, a conducting wire, and a top surface of the light reflective resin are covered continuously, with insulating material. An inside surrounded by the light reflective resin is filled with encapsulating material to encapsulate the light emitting element and the insulating material around the light emitting element.

Method of manufacturing light emitting device

A base has a base surface. Light emitting elements are disposed on the base surface along an X-axis with an X pitch and along the Y axis with a Y pitch to form a matrix. The X pitch is smaller than the Y pitch. Lenses has a batwing illumination distribution. Each of the lenses covers each of the light emitting elements. A first lenticular lens sheet is provided on the base such that a first lenticular lens sheet lower surface is opposite to the base surface. A second lenticular lens sheet is provided on the first lenticular lens sheet such that a second lenticular lens sheet lower surface is opposite to a first lenticular lens sheet upper surface. A third lenticular lens sheet is provided on the second lenticular lens sheet such that a third lenticular lens sheet lower surface is opposite to a second lenticular lens sheet upper surface.

Surface light source device and transmission display device

A light emitting device includes a light emitting element with first and second electrodes formed on the same surface side; a base with first and second conductive members, each including a wide part facing the an electrode and a narrow part extending away from the wide part; first and second bonding members each electrically connecting a corresponding electrode with a conductive member, and continuously covering the wide and narrow parts of a corresponding conductive member; and one or more light reflecting members at least partially covering the conductive members.

Light emitting device with conductive members having wide and narrow parts, and reflecting member covering conductive members

A base has a base surface. Light emitting elements are disposed on the base surface along an X-axis with an X pitch and along the Y axis with a Y pitch to form a matrix. The X pitch is smaller than the Y pitch. Lenses has a batwing illumination distribution. Each of the lenses covers each of the light emitting elements. A first lenticular lens sheet is provided on the base such that a first lenticular lens sheet lower surface is opposite to the base surface. A second lenticular lens sheet is provided on the first lenticular lens sheet such that a second lenticular lens sheet lower surface is opposite to a first lenticular lens sheet upper surface.

A method of manufacturing a light emitting device including providing a light emitting element mounted on a substrate. The light emitting element is provided within a first cavity of the light emitting device. The method further includes covering continuously, with insulating material, at least side surfaces of the light emitting element. Light reflective resin is provided over the insulating material at a position surrounding the light emitting element to reflect light from the light emitting element.

A light emitting device () includes a base member (), electrically conductive members () disposed on the base member (), a light emitting element () mounted on the electrically conductive members (), an insulating filler () covering at least a portion of surfaces of the electrically conductive members () where the light emitting element () is not mounted, and a light transmissive member () covering the light emitting element ().

Light emitting device and method for manufacturing light emitting device

A light emitting device includes a substrate, a light emitting element, a first resin member, and a second resin member. The substrate includes a base member, a plurality of wiring portions disposed on a first surface and a second surface of the base member, and a covering layer that covers the wiring portions disposed on the first surface and has an opening formed in a part of the covering layer. The light emitting element is arranged on the wiring portions disposed on the first surface in the opening of the covering layer and having an upper surface at a position higher than the covering layer. The first resin member is arranged at least in the opening of the covering layer and at periphery of the light emitting element. The second resin member seals the substrate and the light emitting element and has an outer border that is arranged above the covering layer. The covering layer is exposed at an outer side of the second resin member. The wiring portions disposed on the second surface are not directly or indirectly electrically connected to the light emitting element.

Light emitting device

A light emitting device includes a support member having a mounting surface. The support member includes an insulating member having top surface and a plurality of side surfaces, a first metal pattern disposed on the top surface of the insulating member, and a second metal pattern disposed on the side surface of the insulating member such that a side surface of the second metal pattern is continuous with a top surface of the first metal pattern. The light emitting device further includes a light emitting element mounted on the mounting surface at a location of the first metal pattern, and a bonding member that bonds the light emitting element to the mounting surface. The bonding member covers at least a portion of the first metal pattern and at least a portion of the second metal pattern.

A light emitting device includes a substrate member having a flexible base member, a plurality of wiring portions disposed on the base member, and a covering layer covering the wiring portions and having openings exposing a part of wiring portions, a plurality of light emitting elements electrically connected to the wiring portions, and a plurality of sealing members sealing the plurality of light emitting elements, respectively. The light emitting device has a weight of 1 g/cmor less.

A light emitting device includes a substrate, a light emitting element, a first resin member and a second resin member. The substrate includes a base member, a plurality of wiring portions disposed on a surface of the base member, and a covering layer covering the wiring portions with an opening formed in a part of the covering layer. The light emitting element is arranged on the substrate in the opening of the covering layer and having an upper surface at a position higher than the covering layer. The first resin member is arranged at least in the opening of the covering layer and at periphery of the light emitting element. The second resin member seals the substrate and the light emitting element. The second resin member is disposed in contact with the first resin member.

A light emitting device includes a flexible substrate member having a base member and a plurality of wiring portions disposed on a surface of the base member, a plurality of light emitting elements arranged on the surface of the base member and electrically connected to the plurality of wiring portions, and a plurality of sealing members sealing corresponding parts of the substrate member and the light emitting elements respectively. The substrate is curved so that at least a part of periphery of the sealing member is arranged at a position lower than the position on which the light emitting element is disposed.

A light emitting device includes: a substrate having a base body and a plurality of wiring parts provided on at least one side of the base body; a first covering part that covers part of the wiring parts; a plurality of light emitting elements that are disposed on the wiring parts exposed from the first covering part; a second covering part that is disposed on the first covering part surrounding the light emitting elements and is formed from a material whose reflectivity is higher than that of the first covering part, and a resin component that seals the substrate and the light emitting elements, and is disposed in contact with the first covering part and the second covering part.

A light emitting device includes a substrate, metallization, a light emitting element, conducting wire, light reflective resin, and insulating material. The metallization is provided on a surface of the substrate that is made of insulating substance. The light emitting element is mounted on the substrate. The conducting wire electrically connects the metallization and the light emitting element. The light reflective resin is provided on the substrate to reflect light from the light emitting element. The insulating material covers at least part of metallization surfaces. The insulating material is established to come in contact with a side of the light emitting element.

Growing community of inventors

Tokushima, Japan

Kazuhiro Kamada