Touch input device and vehicle including the same
A touch input device includes: a frame having a plurality of frame holes; a flexible printed circuit board coupled to one surface of the frame and having a plurality of holes corresponding to the plurality of frame holes; a sensor electrode disposed on the flexible printed circuit board; and a sensor integrated circuit (IC) electrically connected to the sensor electrode and configured to sense a change in capacitance value of the sensor electrode.
1. A touch input device comprising:
a frame having a plurality of frame holes;
a flexible printed circuit board coupled to one surface of the frame and having a plurality of holes corresponding to the plurality of frame holes;
a sensor electrode disposed on the flexible printed circuit board; and
a sensor integrated circuit (IC) electrically connected to the sensor electrode and configured to sense a change in capacitance of the sensor electrode.
2. The touch input device of claim 1 , wherein the sensor electrode comprises an Rx electrode and a Tx electrode.
3. The touch input device of claim 2 , wherein
the Rx electrode is disposed on a first surface of the flexible printed circuit board, and
the Tx electrode is disposed on a second surface of the flexible printed circuit board, the second surface being opposite to the first surface of the flexible printed circuit board.
4. The touch input device of claim 2 , wherein when the Rx electrode extends in a first direction, the Tx electrode extends in a second direction that intersects the first direction.
5. The touch input device of claim 1 , wherein the sensor electrode is provided in plural and disposed between the plurality of holes.
6. The touch input device of claim 2 , wherein when the Rx electrode is disposed on a front surface of the flexible printed circuit board and the Tx electrode is disposed on a rear surface of the flexible printed circuit board, the Rx electrode overlaps with the Tx electrode in a front-rear direction.
7. The touch input device of claim 1 , wherein the frame is made of a nonconductive material.
8. The touch input device of claim 1 , wherein
the flexible printed circuit board further comprises a connector, and
the connector electrically connects the flexible printed circuit board to a printed circuit board on which the sensor IC is mounted.
9. A vehicle comprising an air conditioner and a touch input device, wherein the touch input device comprises:
a base including a metal composite and having a plurality of base holes through which air passing through the air conditioner is discharged;
a sensor electrode which includes a plated sensor electrode or a metalized sensor electrode; and
a sensor integrated circuit (IC) electrically connected to the sensor electrode and configured to sense a change in capacitance of the sensor electrode.
10. The vehicle of claim 9 , wherein the sensor electrode comprises:
a first sensor electrode disposed on a first surface of the base; and
a second sensor electrode formed on a second surface of the base, the second surface being opposite to the first surface of the base.
11. The vehicle of claim 9 , wherein the base comprises a curved surface or a discontinuous surface.
12. The vehicle of claim 9 , further comprising a connector electrically connects the sensor electrode to a printed circuit board.
13. The vehicle of claim 10 , wherein when the first sensor electrode is disposed on a front surface of the base and the second sensor electrode is disposed on a rear surface of the base, the first sensor electrode and the second sensor electrode are arranged such that the first sensor electrode overlaps with the second sensor electrode in a front-rear direction.
14. The vehicle of claim 9 , further comprising a protective layer disposed on one surface of the base to cover the sensor electrode.