HIGH ACCURACY QCW PITCH STACK USING SINTER JOINTS
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United States of America Patent
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Issued Date -
Aug 22, 2024
app pub date -
Feb 22, 2023
filing date -
Feb 22, 2023
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Abstract
A light emitting device, including a plurality of emitter subassemblies and a lens array, each emitter subassembly including a plate-shaped light emitter having two sides and configured to emit light from an edge, and at least one plate-shaped submount attached to at least one side of the plate-shaped light emitter. Each of the plurality of emitter subassemblies are disposed parallel to one another and sintered to one another in such a manner as to form a light emitting diode stack. A predefined pitch pattern defines distances between adjacent emitter subassemblies. The lens array is mounted on the light emitting diode stack and includes a plurality of lenses combined as a single unitary body. Distances between the lenses correspond to the distances defined by the predefined pitch pattern such that each of the plurality of lenses is aligned with a corresponding one of the plate-shaped light emitters.
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