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US 10,762,863 B2Granted
Device and method of driving display panel
AssigneesHkc Corporation Limited, Chongqing Hkc Optoelectronics Technology Co., Ltd.
InventorMingliang Wang
Life of this patent
Estimating the term…
Abstract
An embodiment of the present disclosure provides a device of driving a display panel, comprising: a control circuit, a memory circuit, a timing circuit and a resistance circuit; where the control circuit is configured to read resistance control data stored in the memory circuit and output the resistance control data to the timing circuit and the resistance circuit, the resistance circuit is configured to adjust its own resistance according to the received resistance control data.
Claims20
A device of driving a display panel, comprising:
- a control circuit;
- a memory circuit configured to be coupled with the control circuit, and store and output a plurality of resistance control data;
- a timing circuit configured to be coupled with the control circuit;
- and
- a clipping resistance circuit configured to be coupled with the control circuit and comprising a resistance controller;
- a plurality of switches;
- wherein each of the a plurality of switches is coupled between the resistance controller and one resistance in series;
- and the control circuit is configured to read the resistance control data in the memory circuit and output the resistance control data to the timing circuit and the clipping resistance circuit, and the clipping resistance circuit is configured to adjust its own resistance according to the received resistance control data to form a VGH (Voltage Gate High) with clipped voltage waveform.
5 more elements
A device of driving a display panel, comprising:
- a control circuit;
- a memory circuit configured to be coupled with the control circuit, and store and output a plurality of resistance control data;
- a timing circuit configured to be coupled with the control circuit;
- a clipping resistance circuit configured to be coupled with the control circuit and comprising a resistance controller;
- and
- a plurality of switches configured to enable the resistance controller to be coupled with each resistance respectively;
- wherein each of the a plurality of switches is coupled between the resistance controller and one resistance in series;
- and the control circuit is configured to read the plurality of resistance control data in the memory circuit and output the resistance control data to the timing circuit and the clipping resistance circuit;
- the clipping resistance circuit is configured to receive the resistance control data and adjust its own resistance value according to the received resistance control data to form a clipped voltage waveform;
- the control circuit is configured to control the clipping resistance circuit to turn off one or more of the plurality of switches to enable at least one resistance in the clipping resistance circuit to be conductive, so that the clipping resistance circuit has different resistance value corresponding;
- and
- the timing circuit is configured to restart timing when the resistance control data read by the control circuit is changed.
9 more elements
A method of driving a display panel, comprising:
- setting a control circuit;
- setting a memory circuit which is configured to be coupled with the control circuit, and store and output a plurality of resistance control data;
- setting a timing circuit which is configured to be coupled to the control circuit;
- setting a clipping resistance circuit which is configured to be coupled with the control circuit and comprises a resistance controller;
- wherein the control circuit is configured to read the resistance control data in the memory circuit and output the resistance control data to the timing circuit and the clipping resistance circuit;
- the clipping resistance circuit is configured to receive the resistance control data and adjust its own resistance value according to the received resistance control data to form a clipped voltage waveform;
- wherein the resistance controller is coupled with a plurality of switches and each of the switches is coupled with a corresponding resistance respectively;
- and each of the a plurality of switches is coupled between the resistance controller and one resistance series;
- the control circuit is configured to control the clipping resistance circuit to turn off one or more switches in the plurality of switches to enable one or more resistances in the clipping resistance circuit to be conductive, so that the clipping resistance circuit has a corresponding resistance value.
6 more elements
Dependencies are inferred from the claim text.