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US 10,321,533 B2Granted
Driving several light sources
AssigneeInfineon Technologies AG
InventorsAndrea Scenini, Giovanni Capodivacca, Adolfo De Cicco
Life of this patent
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Abstract
A device for driving several light sources is provided, wherein the several light sources are arranged in a matrix structure; wherein the several light sources of the matrix structure are connected to a semiconductor device; wherein a portion of the semiconductor device corresponds to a light source of the matrix structure, wherein the portion of the semiconductor device comprises a diagnosis function which when activated is arranged for supplying an output diagnosis signal.
Claims19
A device for driving a plurality of LEDs (Light Emitting Diodes), comprising:
- a semiconductor device comprising a plurality of portions,
- wherein each portion of the plurality of portions corresponds to an LED of the plurality of LEDs,
- wherein each portion of the plurality of portions comprises a pixel addressing block and each pixel addressing block comprises a memory unit, and
- wherein a first portion of the plurality of portions of the semiconductor device further comprises a diagnosis function that when activated is arranged for supplying an output diagnosis signal;
- and
- a single chip mounted on the semiconductor device,
- wherein the plurality of LEDs is arranged in a matrix structure on the single chip and are connected to the semiconductor device.
4 more elements
Dependencies are inferred from the claim text.