US 12,443,059 B2
Planar cell nanoheater design and cell architecture for programmable phase change filters
Marios Barlas, Grenoble (FR); Kirill Shiianov, Grenoble (FR); Emmanuel Josse, La Motte Servolex (FR); and Stephane Monfray, Eybens (FR)
Assigned to STMicroelectronics (Crolles 2) SAS, Crolles (FR)
Filed by STMicroelectronics (Crolles 2) SAS, Crolles (FR)
Filed on Oct. 3, 2022, as Appl. No. 17/958,803.
Claims priority of application No. 2110500 (FR), filed on Oct. 5, 2021; application No. 20210100676 (GR), filed on Oct. 5, 2021; and application No. 2200431 (FR), filed on Jan. 19, 2022.
Prior Publication US 2023/0109590 A1, Apr. 6, 2023
Int. Cl. G02F 1/01 (2006.01); H10F 39/00 (2025.01)
CPC G02F 1/0147 (2013.01) [H10F 39/806 (2025.01); G02F 2203/055 (2013.01); G02F 2203/11 (2013.01)] 26 Claims
OG exemplary drawing
 
1. A phase change filter, comprising:
a plurality of phase change material dots; and
a heating layer of electrically conductive material;
wherein the heating layer comprises a plurality of heating zones, each heating zone comprising one or more conductive fingers; and
wherein a phase change material dot of said plurality of phase change material dots is positioned on each heating zone of the heating layer.