Led lighting assembly and an led retrofit lamp having the led lighting assembly
AssigneeOSRAM GmbH
InventorsQihui Zhang, Yusheng Ming, Anmiao Li, Dirk Buchhauser
Life of this patent
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Abstract
An LED lighting assembly may include a printed circuit board with an LED chip, and a heat sink thermally conducted with the printed circuit board, wherein the LED lighting assembly further comprises a light guide body configured as a bulb, the light guide body having an end surface as a light incidence surface of light from the LED chip, an outer surface as a light emergent surface and an inner surface, wherein the inner surface is structured so as to form a reflecting surface, reflecting at least part of light from the end surface to the outer surface.
Claims16
An LED lighting assembly, comprising a printed circuit board with an LED chip, and a heat sink thermally conducted with the printed circuit board, wherein the LED lighting assembly further comprises a light guide body configured as a bulb, the light guide body having an end surface as a light incidence surface of light from the LED chip, an outer surface as a light emergent surface and an inner surface, wherein the inner surface is structured so as to form a reflecting surface, reflecting at least part of light from the end surface to the outer surface.
An LED retrofit lamp, wherein the LED retrofit lamp has a lamp holder and a LED lighting assembly, the LED lighting assembly, comprising a printed circuit board with an LED chip, and a heat sink thermally conducted with the printed circuit board, wherein the LED lighting assembly further comprises a light guide body configured as a bulb, the light guide body having an end surface as a light incidence surface of light from the LED chip, an outer surface as a light emergent surface and an inner surface, wherein the inner surface is structured so as to form a reflecting surface, reflecting at least part of light from the end surface to the outer surface,
- and the lamp holder is fixed on the heat sink of the LED lighting assembly to connect the LED lighting assembly to a power supply.
Dependencies are inferred from the claim text.