Patent · US Active

Compensating for failed pixels in pixelated vehicle headlamps

US11718220B2 · kind B2 · utility

0Cited by
2References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 19, 2021
Grant dateAug 8, 2023
Priority date
Expiry dateAug 29, 2041

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB60Q2300/146
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A vehicle headlamp control circuit is configured to control a vehicle headlamp comprising a plurality of lighting elements. The vehicle headlamp control circuit may comprise a memory that stores information for controlling the plurality of lighting elements, and a driver circuit that drives the plurality of lighting elements based on the information, wherein the information compensates for one or more failed elements of the plurality of lighting elements.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.