High-intensity zone LED projector
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United States of America Patent
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N/A
Issued Date -
Jul 26, 2007
app pub date -
Jan 24, 2006
filing date -
Jan 24, 2006
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A headlamp assembly is provided having a horizontal longitudinal optical axis that runs generally the length of a vehicle utilizing the headlamp assembly. The headlamp assembly may include a top reflector that extends in the half-space situated above a horizontal axial plane that passes through the longitudinal optical axis. The top reflector may include a reflective interior surface. The assembly may also include a pair of bottom reflectors that extend in the half-space situated below the horizontal axial plane, each of which may also include a reflective interior surface. Three light emitting diodes each having a light diffusion axis that is substantially perpendicular to the horizontal axial plane may be positioned near the first focus of each reflector. Each reflector may have substantially the same second focus, such that light energy emitted by the light emitting diodes is focused at the same focal point. A condensing lens is positioned in the assembly so that its focal plane is near the common focal point. A cutoff shield is positioned in the assembly between the reflectors and the condensing lens in order to form a high-intensity zone of the headlamp assembly's illumination beam.
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