US 12,189,906 B2
Touch device
Aleksander Kocovski, Malmo (SE); Hakan Bergstrom, Torna-Hallestad (SE); and Jens Thorvinger, Lund (SE)
Assigned to FlatFrog Laboratories AB, Lund (SE)
Filed by Flatfrog Laboratories AB, Lund (SE)
Filed on Jan. 26, 2024, as Appl. No. 18/424,138.
Application 18/424,138 is a continuation of application No. 18/342,674, filed on Jun. 27, 2023, granted, now 11,907,480.
Application 18/342,674 is a continuation of application No. 18/103,118, filed on Jan. 30, 2023, granted, now 11,914,819.
Application 18/103,118 is a continuation of application No. 17/020,489, filed on Sep. 14, 2020, granted, now 11,579,731, issued on Feb. 14, 2023.
Application 17/020,489 is a continuation of application No. 16/706,438, filed on Dec. 6, 2019, granted, now 10,775,935, issued on Sep. 15, 2020.
Application 16/706,438 is a continuation of application No. 16/403,283, filed on May 3, 2019, granted, now 11,281,335, issued on Mar. 22, 2022.
Application 16/403,283 is a continuation of application No. 16/190,907, filed on Nov. 14, 2018, granted, now 10,282,035, issued on May 7, 2019.
Application 16/190,907 is a continuation of application No. PCT/SE2017/051233, filed on Dec. 7, 2017.
Claims priority of application No. 1630294-5 (SE), filed on Dec. 7, 2016.
Prior Publication US 2024/0192807 A1, Jun. 13, 2024
Int. Cl. G06F 3/042 (2006.01); G06F 1/16 (2006.01); G06F 3/041 (2006.01)
CPC G06F 3/0421 (2013.01) [G06F 1/16 (2013.01); G06F 1/1652 (2013.01); G06F 3/041 (2013.01); G06F 2203/04102 (2013.01); G06F 2203/04103 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A touch sensing apparatus comprising:
a display panel;
a plate including a top surface that comprises a touch surface;
one or more emitters arranged adjacent to a periphery of the plate and configured to emit light across the touch surface of the plate;
a set of detectors arranged adjacent to the periphery of the plate and configured to receive light from the one or more emitters; and
a frame assembly configured to support the display panel and the plate,
wherein a support portion of the frame assembly is curved along its length,
wherein the touch surface is curved along a first axis, wherein the first axis is substantially parallel to a propagation direction of the emitted light across the touch surface, and
wherein the support portion of the frame assembly is curved in a concave shape; the display panel is curved opposite to the frame assembly in a convex shape; and the touch surface is curved in a concave shape.