An integrated circuit device includes a voltage supply circuit and a drive circuit. The voltage supply circuit supplies a common voltage, a first positive polarity voltage higher than the common voltage, a second positive polarity voltage higher than the first positive polarity voltage, a first negative polarity voltage lower than the common voltage, and a second negative polarity voltage lower than the first negative polarity voltage. The drive circuit outputs a first drive waveform signal for dot matrix display based on the common voltage, the first positive polarity voltage, the second positive polarity voltage, the first negative polarity voltage, and the second negative polarity voltage, and outputs a second drive waveform signal for segment display based on the common voltage, the first positive polarity voltage, and the first negative polarity voltage.
Integrated Circuit Device, Electronic Apparatus, and Vehicle
2022-02-03
Patent
Elektronische Ressource
Englisch
IPC: | G09G Anordnungen oder Schaltungen zur Steuerung oder Regelung von Anzeigevorrichtungen mit statischen Mitteln zur Darstellung veränderlicher Informationen , ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES |
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