发明授权
- 专利标题: Electrically illuminating indicator needle and light guiding member
- 专利标题(中): 电子照明指示灯和导光构件
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申请号: US11918866申请日: 2006-04-17
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公开(公告)号: US07721672B2公开(公告)日: 2010-05-25
- 发明人: Koji Nakano , Hitoshi Nojiri , Ryosuke Wakaki
- 申请人: Koji Nakano , Hitoshi Nojiri , Ryosuke Wakaki
- 申请人地址: JP Anan-Shi
- 专利权人: Nichia Corporation
- 当前专利权人: Nichia Corporation
- 当前专利权人地址: JP Anan-Shi
- 代理机构: Birch, Stewart, Kolasch & Birch, LLP
- 优先权: JP2005-123308 20050421; JP2006-029957 20060207
- 国际申请: PCT/JP2006/308061 WO 20060417
- 国际公布: WO2006/115100 WO 20061102
- 主分类号: G01D11/28
- IPC分类号: G01D11/28
摘要:
An electrically illuminating indicator needle and a light guiding member therefor that allow such a control as length of the needle can be varied while undergoing less unevenness in luminance and can be manufactured at a lower cost are provided.The electrically illuminating indicator needle comprises a plurality of planes of incidence, a plurality of light reflecting surfaces disposed to correspond to the planes of incidence so as to reflect light coming from the planes of incidence, a light guiding member disposed to correspond to the light reflecting surfaces so as to cause the light reflected on the light reflecting surfaces to emerge, and a plurality of light emitting diodes disposed to oppose the planes of incidence.