US 12,446,202 B2
Functional RF/EMF shielding film and device
Tigran Khachatryan, Redmond, WA (US); and Razmig Keutelian, Burien, WA (US)
Appl. No. 18/686,425
Filed by Tigran Khachatryan, Redmond, WA (US); and Razmig Keutelian, Burien, WA (US)
PCT Filed Mar. 13, 2023, PCT No. PCT/US2023/015135
§ 371(c)(1), (2) Date Feb. 25, 2024,
PCT Pub. No. WO2023/177638, PCT Pub. Date Sep. 21, 2023.
Claims priority of provisional application 63/319,299, filed on Mar. 12, 2022.
Prior Publication US 2024/0292585 A1, Aug. 29, 2024
Int. Cl. H05K 9/00 (2006.01); A45C 11/00 (2006.01); H01Q 1/52 (2006.01); H04M 1/02 (2006.01)
CPC H05K 9/0096 (2013.01) [A45C 11/00 (2013.01); H01Q 1/526 (2013.01); H04M 1/0266 (2013.01); H05K 9/0094 (2013.01); A45C 11/002 (2025.01)] 21 Claims
OG exemplary drawing
 
1. An RF/EMF radiation shielding device for a mobile device with a touchscreen display that allows proper touchscreen functionality, comprising:
a. a film layer configured to cover the touchscreen display on a mobile device, said film layer includes a top surface and a bottom surface, said film layer being made of a material sufficiently transparent to allow visibility of said touchscreen display used on said mobile device; and,
b. a radiation-blocking material embedded or covering said film layer, said radiation-blocking material configured to block or attenuate RF/EMF radiation and,
c. wherein said RF/EMF radiation-blocking material comprises a plurality of isolated radiation-blocking areas, each said radiation-blocking area being separated from each other by partitions in which said RF/EMF radiation-blocking material is absent.