Active pen, electronic device and data transmission method thereof

An active pen, an electronic device and a data transmission method thereof are provided. The data transmission method between the active pen and the electronic device includes the following steps. Whether the active pen is close to a predetermined area of a display panel of the electronic device is...

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Bibliographische Detailangaben
Hauptverfasser: LIN, JIA-YU, KO, CHUEH-PIN
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:An active pen, an electronic device and a data transmission method thereof are provided. The data transmission method between the active pen and the electronic device includes the following steps. Whether the active pen is close to a predetermined area of a display panel of the electronic device is determined. If the active pen is close to the predetermined area, a light of the display panel is controlled in the predetermined area. The active pen receives light from the predetermined area. The active pen decodes a data signal according to a light intensity of the light.