| 摘要 |
A lighting device capable of changing light patterns, comprising: a heat dissipating substrate; a light source, located on the heat dissipating substrate; a first dielectric liquid, covering the light source and having a first dielectric constant; a second dielectric liquid, covering the first dielectric liquid and having a second dielectric constant; and an enclosing wall, located on the heat dissipating substrate for containing the first dielectric liquid and the second dielectric liquid. |
