Panasonic Corporation

Matsushita Electric Industrial Co., Ltd.

Panasonic Intellectual Property Management Co., Ltd.

Toshiyasu Kojima

Naotaka Hashimoto

Shinya Kawagoe

Taku Ikeda

Akira Taniuchi

Hideo Nagai

Takaari Uemoto

Hiroshi Nohara

Yasuyuki Ueda

Masanori Higashi

Provided is a lighting apparatus that is suitable as a substitute for a conventional halogen lamp when positively utilizing leaked light. The lighting apparatus comprises: a heat dissipatorthat is in one of a bottomed cylindrical shape and a bowl shape, and that has a bottom portion, a circumferential wall portion, and an opening; and a light-emitting deviceb that is provided inside the heat dissipatorat the bottom portion and is operable to emit light, wherein the heat dissipatorhas one or more windowsfor leaking the emitted light outside the heat dissipater

Illuminating apparatus

Provided is a lighting apparatus that is suitable as a substitute for a conventional halogen lamp when positively utilizing leaked light. The lighting apparatus comprises: a heat dissipatorthat is in one of a bottomed cylindrical shape and a bowl shape, and that has a bottom portion, a circumferential wall portion, and an opening; and a light-emitting deviceb that is provided inside the heat dissipatorat the bottom portion and is operable to emit light, wherein the heat dissipatorhas one or more windowsfor leaking the emitted light outside the heat dissipator

Provided is a lighting apparatus that is suitable as a substitute for a conventional halogen lamp when positively utilizing leaked light. The lighting apparatus comprises: a heat dissipatorthat is in one of a bottomed cylindrical shape and a bowl shape, and that has a bottom portion, a circumferential wall portion, and an opening; and a light-emitting devicethat is provided inside the heat dissipatorat the bottom portion and is operable to emit light, wherein the heat dissipatorhas one or more windowsfor leaking the emitted light outside the heat dissipator

Provided is a light-bulb type LED lampincluding a plurality of LEDs-, a base, a lighting circuit unit that converts commercial power provided through the baseinto power for lighting the LEDs-, and a heat radiation memberthat includes a bowl-shaped portion. Two stagesand, extending inwards from an inner circumferential surfaceof the bowl-shaped portion, are provided in a direction of a central axis X of the bowl-shaped portion. The LEDs-are mounted on the stagesandin a circumferential direction around the central axis X.

Light-bulb type LED lamp and illumination apparatus

A reflector LED lamp comprises: a reflectorhaving a spheroidal reflecting surface with an opening provided therein; a plurality of LEDs, andarranged in the reflector, on a plane perpendicular to an optical axis X of the reflector; and a lighting circuit operable to light the plurality of LEDs, wherein the plurality of LEDs are divided into at least a first group (LED) and a second group (LED, and), the first group arranged at a first distance from the optical axis X, the second group arranged at a second distance from the optical axis X, the second distance being longer than the first distance, and while the plurality of LEDs are lit by the lighting circuit, luminous flux per LED is larger in the first group than in the second group.

Growing community of inventors

Kadoma, Japan

Toshiyasu Kojima