The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 03, 2026
Filed:
Feb. 01, 2023
Namlab Ggmbh, Dresden, DE;
Patrick Dominic Lomenzo, Dresden, DE;
Uwe Schröder, Dresden, DE;
NaMLab gGmbH, Dresden, DE;
Abstract
Described are thermal-to-electrical signal transducers including band-gap materials with a pinched or double hysteresis loop (DHL) charge-voltage characteristic in a pyroelectric device that have electrically switchable active (on) and inactive (off) pyroelectric states. DHL materials include field induced ferroelectrics (FFE), Kittel-type antiferroelectric (KAFE), defect-biased ferroelectric (DBFE), and ferroelastic switching (FES) materials. The pyroelectric device includes a material stack with a DHL material layer between two electrodes. A built-in electric field is required for the application of the device, which can be induced by electrodes having different workfunctions. Pyroelectric devices employing the DHL material stack include pyroelectric detectors, thermal imaging systems, infrared sensors, and energy harvesters. Nonvolatile pyroelectric switches can replace choppers in uncooled pyroelectric arrays, achieve reprogrammable thermal sensor pixel size and image resolution, and yield infrared detectors with multiple reprogrammable detection paths and spatial scanning of the environment.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile