Touch display panel with integral fingerprint sensor and electronic device using same
AssigneeHon Hai Precision Industry Co., Ltd.
InventorsYU-FU WENG, CHIEN-WEN LIN, CHIA-LIN LIU, TZU-YU CHENG
Life of this patent
Estimating the term…
Abstract
A touch display panel which includes an integral fingerprint recognition portion also comprises a central processor, a switch module, and a main touch portion. The fingerprint recognition portion comprises fingerprint recognition electrodes connected to the central processor. The main touch portion comprises touch electrodes to sense touches. At least one touch electrode is electrically connected to one fingerprint recognition electrode through the switch module, and the switch module is controlled by the processor to cycle through connected or disconnected states between the touch electrode and the fingerprint recognition electrode.
Claims20
A touch display panel, comprising:
- a central processor;
- a switch module;
- a fingerprint recognition portion, wherein the fingerprint recognition portion is configured to sense a fingerprint signal, the fingerprint recognition portion comprises a plurality of fingerprint recognition electrodes;
- and
- a main touch portion, wherein the main touch portion is configured to sense a touch position, and the main touch portion comprises a plurality of touch electrodes, and at least one of the plurality of touch electrodes is electrically connected to one of the plurality of fingerprint recognition electrodes through the switch module;
- wherein the switch module is electrically connected to the central processor, the central processor further controls the switch module to establish an electrical connection between the at least one of the plurality of touch electrodes and the at least one of the plurality of fingerprint recognition electrodes or disconnect the at least one of the plurality of touch electrodes from the at least one of the plurality of fingerprint recognition electrodes.
An electronic device comprising:
- a main body;
- and
- a touch display panel disposed in the main body, the touch display panel comprising:
- a central processor;
- a switch module;
- a fingerprint recognition portion, wherein the fingerprint recognition portion is configured to sense a fingerprint signal, the fingerprint recognition portion comprises a plurality of fingerprint recognition electrodes;
- the plurality of fingerprint recognition electrodes is electrically connected to the central processor;
- and
- a main touch portion, wherein the main touch portion is configured to sense a touch position, and the main touch portion comprises a plurality of touch electrodes, and at least one of the plurality of touch electrodes is electrically connected to one of the plurality of fingerprint recognition electrodes through the switch module;
- wherein the central processor further controls the switch module to establish an electrical connection between the at least one of the plurality of touch electrodes and the at least one of the plurality of fingerprint recognition electrodes or disconnect the at least one of the plurality of touch electrodes and the at least one of the plurality of fingerprint recognition electrodes.
Dependencies are inferred from the claim text.