Granted Patent B2

US 12,480,787 · App. 18/369,200 · Granted Nov 25, 2025

Inventors: Yu-Sheng Lin (Hsin-Chu, TW); Chin-Hua Hu (Hsin-Chu, TW); Yu-Han Chen (Hsin-Chu, TW)

Assignee: PixArt Imaging Inc.

G01D5/241B60R16/03G01R27/2605H03K17/962H03K2217/96015

Abstract

Claims (60)

1 . A touch sensing system, comprising:

a frame work;

an auxiliary layer, surrounding the frame work;

a capacitive touch sensor layer, surrounding the auxiliary layer;

a flexible material layer, located between the capacitive touch sensor layer and the auxiliary layer, and surrounding the auxiliary layer; and

a flattening material layer, located between the capacitive touch sensor layer and the flexible material layer or located between the auxiliary layer and the flexible material layer, wherein the flattening material flattens the flexible material layer;

wherein the capacitive touch sensor layer is above the flexible material layer when the auxiliary layer is below the flexible material layer;

wherein the capacitive touch sensor layer comprises at least one first driving electrode and at least one first sensing electrode;

wherein the auxiliary layer comprises at least one electrode.

2 . The touch sensing system of claim 1 , wherein the auxiliary layer further comprises a ground layer or a heating layer.

3 . The touch sensing system of claim 1 , wherein the flattening material layer is made from Polyurethane.

4 . The touch sensing system of claim 1 , further comprising:

a touch sensing IC, coupled to the first driving electrode and the first sensing electrode;

a substrate, located between the touch sensing IC and the flexible material layer; and

at least one conjunction component, passing through the substrate and configured to fasten the substrate to the flexible material layer or the capacitive touch sensor layer.

5 . The touch sensing system of claim 4 , wherein the substrate is one of a FPC (flexure circuit board) or a golden finger PCB.

6 . The touch sensing system of claim 1 , further comprising:

a touch sensing IC, coupled to the first driving electrode and the first sensing electrode, welded to face a first side of the flexible material layer;

a supporting layer, configured to support the touch sensing IC and provided to face a second side of the flexible material layer.

7 . The touch sensing system of claim 1 , wherein the auxiliary layer comprises a heating layer comprising a heating circuit, wherein the heating circuit comprises:

at least one heating electrode;

a constant voltage source, configured to generate a constant voltage; and

a driving circuit, configured to generate a driving current to the heating electrode according to the constant voltage.

8 . The touch sensing system of claim 7 , wherein the driving circuit does not turn on and turn off a switch to generate the driving current.

9 . A multi sensor device, comprising:

a frame work;

a first sensor layer, surrounding the frame work;

a second sensor layer, surrounding the first sensor layer;

a flexible material layer, located between the first sensor layer and the second sensor layer, and surrounding the first sensor layer; and

a flattening material layer, located between the second sensor layer and the flexible material layer or located between the first sensor layer and the flexible material layer, wherein the flattening material layer flattens the flexible material layer;

wherein the second sensor layer is above the flexible material layer when the first sensor layer is below the flexible material layer;

wherein the first sensor layer has at least one first driving electrode and at least one first sensing electrode;

wherein the second sensor layer comprises at least one second driving electrode and at least one second sensing electrode.

10 . The multi sensor device of claim 9 , wherein the flattening material layer is made from Polyurethane.

11 . The multi sensor device of claim 9 , further comprising:

a touch sensing IC, coupled to the first driving electrode and the first sensing electrode;

a substrate, located between the touch sensing IC and the flexible material layer; and

at least one conjunction component, passing through the substrate and configured to fasten the substrate to the flexible material layer or the first sensor layer.

12 . The multi sensor device of claim 11 , wherein the substrate is one of a FPC (flexure circuit board) or a golden finger PCB.

13 . The multi sensor device of claim 9 , further comprising:

a touch sensing IC, coupled to the first driving electrode and the first sensing electrode, welded to face a first side of the flexible material layer;

a supporting layer, configured to support the touch sensing IC and provided to face a second side of the flexible material layer.

14 . The multi sensor device of claim 9 , wherein the first sensor layer comprises a heating layer comprising a heating circuit, wherein the heating circuit comprises:

at least one heating electrode;

a constant voltage source, configured to generate a constant voltage; and

a driving circuit, configured to generate a driving current to the heating electrode according to the constant voltage.

15 . The multi sensor device of claim 14 , wherein the driving circuit does not turn on and turn off a switch to generate the driving current.

16 . A vehicle control device, comprising:

a frame work;

a heating layer, surrounding the frame work;

a first layer, surrounding the heating layer;

a flexible material layer, located between the heating layer and the first layer, and surrounding the heating layer; and

a flattening material layer, located between the first layer and flexible material layer or between the heating layer and the flexible material layer, wherein the flattening material layer fills at least one aperture or at least one crack of the flexible material layer;

wherein the first layer is above the flexible material layer when the heating layer is below the flexible material layer;

wherein the first layer comprises at least one first electrode;

wherein the heating layer has at least one heating electrode.

17 . The vehicle control device of claim 16 , wherein the heating layer comprises a heating circuit comprising:

a constant voltage source, configured to generate a constant voltage; and

a driving circuit, configured to generate a driving current to the heating electrode according to the constant voltage.

18 . The multi sensor device of claim 17 , wherein the driving circuit does not turn on and turn off a switch to generate the driving current.

Assignments (1)

Continuity (2)

References Cited (39)