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US 2015/0084497 A1Published application
Led bulb optical system with uniform light distribution
AssigneeBby Solutions, Inc.
InventorsFarhad Nourbakhsh, Xiyuan He, Dave Carroll, Wendell Carroll
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Abstract
A pear-shaped light-emitting diode (LED) light bulb housing is provided with a plurality of light-dispersing thickness variations in the bulb envelope. Dimples, bumps, or v-shaped grooves are provided in a middle portion of the bulb envelope in order to uniformly disperse light from LEDs as the light passes through the bulb envelope.
Claims10
A light-emitting diode light bulb comprising:
- a) a bulb envelope having
- i) a base portion,
- ii) an upper portion, and
- iii) a middle portion extending between the base and upper portions;
- b) a plurality of light-dispersing thickness variations in the middle portion of the bulb envelope;
- and
- c) a plurality of light-emitting diodes pointing toward the light-dispersing thickness variations in the middle portion of the bulb envelope.
4 more elements
Dependencies are inferred from the claim text.