| 摘要 |
PURPOSE: A light emitting device is provided, which can arrange a lighting-emitting area of LED near to the light receiving surface of the optical fiber. CONSTITUTION: A light emitting device comprises: a transparent cover(10); a light emitting diode(20) which is wrapped by the transparent cover; and an electrode unit(30) electrically connected to the light emitting diode. The light emitting device is formed in the size that can be arranged in the dental handpiece. The transparent cover has a cylindrical shape. The light emitting device locates in the transparent cover to be close to the flat light irradiation surface. |
