Patent · US Active

Optical diffuser

US12411270B2 · kind B2 · utility

0Cited by

1References

20Claims

0Family size

Assignee

STMicroelectronics (Crolles 2) SAS · FR

Inventors

Simon Guillaumet · Grenoble, FR
Benjamin Vianne · Le Trouillet, FR
Stephane Zoll · Mazaretiers, FR

Key dates

Filing date	Aug 17, 2022
Grant date	Sep 9, 2025
Priority date	—
Expiry date	Apr 13, 2044

Classification

Technology area (CPC G)Physics
CPC primaryG02F2202/22
WIPO fieldOptics
WIPO sectorInstruments

Abstract

The present description concerns an optical diffuser including a first layer having an electrically-conductive track formed therein, and a second layer, having the first layer resting thereon resting thereon, and having at least two electrically-conductive pillars extending across the entire thickness of the second layer formed therein. The second layer includes at least one first region located under the conductive track comprising no pillar.

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