Patent · US Active

Light sensor

US12184996B2 · kind B2 · utility

0Cited by

1References

20Claims

0Family size

Assignee

AMS INTERNATIONAL AG · CH

Inventors

Herbert Lenhard · Graz, AT
Karl Georg Waser · Graz, AT
Bernhard Greimel-Laengauer · Gleisdorf, AT
Mario Teufel · Gratwein-Straßengel, AT

Key dates

Filing date	Nov 5, 2020
Grant date	Dec 31, 2024
Priority date	—
Expiry date	Jan 29, 2041

Classification

Technology area (CPC H)Electricity
CPC primaryH04N25/772
WIPO fieldAudio-visual technology
WIPO sectorElectrical engineering

Abstract

A light sensor is disclosed. The light sensor comprises a first pixel and a second pixel. The light sensor comprises measurement circuitry. The first pixel is configured to accumulate a first charge and the second pixel is configured to accumulate a second charge when the light sensor is exposed to light. The first pixel is configured to trigger the measurement circuitry to measure the second charge when the first charge reaches a threshold capacity of the first pixel. Also disclosed is an active pixel sensor comprising the light sensor, an image sensor and a device incorporating the light sensor.

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