US 12,283,949 B2
Operating unit for a domestic appliance
Carsten Zei, Sinzing (DE)
Assigned to BSH Hausgeraete GmbH, Munich (DE)
Appl. No. 18/009,076
Filed by BSH Hausgeräte GmbH, Munich (DE)
PCT Filed May 25, 2021, PCT No. PCT/EP2021/063850
§ 371(c)(1), (2) Date Dec. 8, 2022,
PCT Pub. No. WO2021/249763, PCT Pub. Date Dec. 16, 2021.
Claims priority of application No. 10 2020 207 158.6 (DE), filed on Jun. 8, 2020.
Prior Publication US 2023/0216498 A1, Jul. 6, 2023
Int. Cl. H03K 17/96 (2006.01)
CPC H03K 17/9622 (2013.01) [H03K 2017/9602 (2013.01); H03K 2217/96079 (2013.01)] 11 Claims
OG exemplary drawing
 
1. An operating unit for a household appliance, comprising:
a touch-sensitive unit formed with a supporting diffusor foil; and
a light-emitting diode (LED) unit disposed on a rear side of said touch-sensitive unit;
said diffusor foil of said touch-sensitive unit having a top side facing toward an operator and carrying a printed character layer; and
said diffusor foil having an underside directed away from said printed character layer and carrying a printed functional layer; and
a light-permeable protective layer covering said printed functional layer at least in certain areas thereof, and a light-permeable adhesive layer connecting said LED unit to said touch-sensitive unit at said protective layer.