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US 12,455,049 B2Granted
Solid state lamp using light emitting strips
AssigneeQuarkstar LLC
InventorsRobert V. Steele, Louis Lerman, Allan Brent York, Wilson Dau, Jacqueline Teng, George Lerman
Life of this patent
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Abstract
A solid state lamp includes a connector and a bulb portion with multiple strips.
Claims81
A solid-state lamp comprising:
- a base configured to electrically connect the solid-state lamp to a power source, the base defining an axis;
- an envelope configured to transmit light, the envelope extending along the axis;
- and
- multiple strips inside the envelope, each of the strips extending from a first end to a second end opposite the first end, each of the strips comprising:
- a light-transmissive substrate layer of a dielectric material, the substrate layer having a top surface and an opposing bottom surface continuously extending from the first end to the second end;
- a plurality of bare light-emitting diode (LED) dies arranged along the top surface of the substrate layer between the first and second ends of the strip;
- conductors arranged to provide electrical power to the bare LED dies;
- and
- a wavelength-converting encapsulant encapsulating the bare LED dies;
- and
- a light-diffusing layer arranged over the encapsulant;
- multiple connectors mechanically attached to the strips, the connectors providing electrical connections for the strips;
- and
- a driver configured to receive electrical power from the base and control electrical power provided to the bare LED dies;
- wherein each of the strips is individually distinct and spaced apart from the other strips.
12 more elements
Dependencies are inferred from the claim text.