Panasonic Corporation

Panasonic Intellectual Property Management Co., Ltd.

Takashi Kuwaharada

Tooru Aoyagi

Tomoyuki Kusano

Hiroshi Yamaguchi

Motonobu Yoshikawa

Shigeo Hayashi

Seiji Hamada

Kiyomi Hagihara

Masahiro Hayashi

Tetsuya Kamada

Hideaki Usukubo

Hiroki Shirozono

Toshikazu Shimokatano

A light emitting device includes a light emitting element; a sub-mount including a sub-mount substrate with a front surface on which the light emitting element is disposed, and a back surface electrode disposed in a back surface that is on a back side of the front surface of the sub-mount substrate; a main-mount in which the sub-mount is disposed, the main-mount including a front surface metal pattern including a wiring electrode bonded to the back surface electrode via solder. The front surface metal pattern has a slit, in a plan view, at a position away from a disposition region in which the sub-mount is disposed.

Light emitting device and solder bond structure

A light-emitting device includes a light-emitting element; and a lens sectioncovering over the light-emitting element. The lens sectionincludes an entrance surface Son which light from the light-emitting elementis incident; an exit surface Sfrom which the light incident on the entrance surface Sis emitted; and an optical axis L extending so as to penetrate the entrance surface Sand the exit surface S. A concave sectionis formed in an area of the exit surface S, which contains the optical axis L, and two flat sectionsare formed so as to face each other across the optical axis L. The exit surface Sdefines an upwardly-protruding curved surface formed between the two flat sections, and the optical axis L is coincidence with a reference optical axis of the light-emitting element

Light-emitting device, surface light-emitting apparatus, display system

Light emitting diode

Light-emitting diode

Growing community of inventors

Kagoshima, Japan

Takashi Kuwaharada