Back to results
US 2016/0079976 A1Published application
Device and method for voltage boosting and display panel driver incorporating the same
AssigneeSynaptics Display Devices GK
InventorsYutaka SAEKI, Kenichi KANESHIGE
Life of this patent
Estimating the term…
Abstract
An integrated circuit device boosts an output voltage which is to be boosted based on the reference power supply voltage, based on another power supply voltage before the reference power supply voltage is supplied.
Claims19
An integrated circuit device comprising:
- a voltage boosting circuit configured to boost an output voltage based on a reference power supply voltage;
- and
- a precharging circuit configured to boost the output voltage based on another power supply voltage before the reference power supply voltage is supplied to the voltage boosting circuit,
- wherein the voltage boosting circuit is operational to boost the output voltage, by a switching operation of transistors, to back gates of which the output voltage is supplied.
1 more element
A display panel driver comprising:
- an integrated circuit device;
- and
- a gate driving circuit configured to generate a gate line drive signal based on an output voltage, to drive gate lines of a display panel,
- wherein the integrated circuit device comprises:
- a voltage boosting circuit configured to boost the output voltage based on a reference power supply voltage;
- and
- a precharging circuit configured to boost the output voltage based on another power supply voltage before the reference power supply voltage is supplied to the voltage boosting circuit,
- wherein the voltage boosting circuit is operational to boost the output voltage, by a switching operation of transistors, to back gates of which the output voltage is supplied.
5 more elements
A display apparatus comprising:
- a display panel driver;
- and
- a display panel having gate lines driven by a gate line drive signal,
- wherein the display panel driver comprises:
- an integrated circuit device;
- and
- a gate driving circuit configured to generate the gate line drive signal based on an output voltage, to drive the gate lines of the display panel,
- wherein the integrated circuit device comprises:
- a voltage boosting circuit configured to boost the output voltage based on a reference power supply voltage;
- and
- a precharging circuit configured to boost the output voltage based on another power supply voltage before the reference power supply voltage is supplied to the voltage boosting circuit,
- wherein the voltage boosting circuit is operational to boost the output voltage, by a switching operation of transistors, to back gates of which the output voltage is supplied.
9 more elements
A voltage boosting method comprising:
- boosting an output voltage based on another power supply voltage supplied before a reference power supply voltage is supplied to a voltage boosting circuit;
- and
- boosting the output voltage based on the reference power supply voltage by the voltage boosting circuit,
- wherein the voltage boosting circuit is operational to boost the output voltage, by a switching operation of transistors, to back gates of which the output voltage is supplied.
1 more element
Dependencies are inferred from the claim text.