Lighting device with electrowetting liquid lens with heat dissipation

摘要

A lighting device capable of changing light patterns, includes: (a) a heat dissipating substrate; (b) a light source, located on the heat dissipating substrate; (c) a first dielectric liquid, covering the light source and having a first dielectric constant; (d) a second dielectric liquid, covering the first dielectric liquid and having a second dielectric constant; and (e) an enclosing wall, located on the heat dissipating substrate for containing the first dielectric liquid and the second dielectric liquid.

主权项

1. A lighting device capable of changing light patterns, comprising:
a heat dissipating substrate; a light source, located on said heat dissipating substrate; an enclosing wall, located on said heat dissipating substrate; a first non-conductive dielectric liquid, located inside said enclosing wall, covering said light source, and having a first dielectric constant; and a second non-conductive dielectric liquid, located inside said enclosing wall, covering said first dielectric liquid, and having a second dielectric constant, wherein said first dielectric constant is higher than said second dielectric constant.