US 11,709,568 B2
Convex interactive touch displays and related systems and methods
Kyle M. Globerman, Marietta, GA (US)
Assigned to Promethean Limited, Blackburn (GB)
Filed by Promethean Limited, Blackburn (GB)
Filed on Feb. 25, 2021, as Appl. No. 17/185,656.
Claims priority of provisional application 62/981,437, filed on Feb. 25, 2020.
Prior Publication US 2021/0263603 A1, Aug. 26, 2021
Int. Cl. G06F 3/042 (2006.01); H05K 5/00 (2006.01)
CPC G06F 3/042 (2013.01) [H05K 5/0017 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A touch-sensing apparatus having a long edge and a short edge, the apparatus comprising:
a display panel;
a plate including a touch surface; and
a frame assembly comprising a plurality of frame elements configured to receive the display panel and the plate, wherein:
the plate defines:
a first edge and a second edge parallel to the short edge; and
a third edge and a fourth edge parallel to the long edge; and
a first plane defined by the plate is curved outward with respect to a second plane defined by the short edge and the long edge, such that the plate is substantially convex with respect to the frame assembly, wherein:
the frame assembly comprises a rigid bezel that extends around at least a portion of an outer portion of the plate; and
the rigid bezel comprises a plurality of infrared emitters and infrared detectors disposed about a perimeter of the frame such that the plurality of infrared emitters defines a planar infrared grid that is spaced apart from the substantially convex plate.