| 发明名称 |
LIGHTING DEVICE AND LIGHTING APPLIANCE HAVING THE LIGHTING DEVICE |
| 摘要 |
A lighting device includes: a light source; a drive circuit that drives the light source to emit a light, and includes a circuit element and a circuit board, on which the circuit element and the light source are arranged; and a case that covers the drive circuit. The circuit board includes a radiation member, disposed in a region where the light source is arranged, for radiating heat generated from the light source. The case is connected with the circuit element, and radiates heat generated from the circuit element. |
| 申请公布号 |
US2016131349(A1) |
申请公布日期 |
2016.05.12 |
| 申请号 |
US201414889169 |
申请日期 |
2014.09.02 |
| 申请人 |
DENSO CORPORATION |
发明人 |
KATO Koichi |
| 分类号 |
F21V23/00;F21V29/70;F21V29/60 |
主分类号 |
F21V23/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A lighting device attached to a heat sink comprising:
a light source; a drive circuit that drives the light source to emit a light, and includes a circuit element and a circuit board, on which the circuit element and the light source are arranged; a case that covers the drive circuit; and a cover, wherein: the circuit board includes a radiation member, disposed in a region where the light source is arranged, for radiating heat generated from the light source; the case is connected with the circuit element, and radiates heat generated from the circuit element; the case has a bottom surface connected with the circuit element, and an opening part facing the bottom surface; the cover has a connection window at a position facing the radiation member, is disposed between the heat sink and the circuit board, and covers the opening part; and the radiation member is connected to the heat sink through the connection window. |
| 地址 |
Aichi JP |
