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Electronic devices, drive equipment, power supplies and electronic equipment

A technology for electronic devices and driving equipment, applied in static indicators, instruments, etc., can solve the problems of delay in discharge operation of driving modules and afterimages of display panel shutdown, and achieve the effects of improving picture quality, high flexibility, and speeding up shutdown.

Active Publication Date: 2022-05-20
CHIPONE TECH BEIJINGCO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] With the continuous development of science and technology and the continuous improvement of people's living standards, various types of electronic equipment with display functions are more and more popular. However, the current display panels have problems in the drive module. When the power is turned off, if the power is turned off slowly, the discharge operation of the driving current and / or driving voltage of the driver module will be delayed, which will cause the display panel to have a power-off afterimage during the power-off process

Method used

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  • Electronic devices, drive equipment, power supplies and electronic equipment
  • Electronic devices, drive equipment, power supplies and electronic equipment
  • Electronic devices, drive equipment, power supplies and electronic equipment

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Embodiment Construction

[0033] Various exemplary embodiments, features, and aspects of the present disclosure will be described in detail below with reference to the accompanying drawings. The same reference numbers in the figures indicate functionally identical or similar elements. While various aspects of the embodiments are shown in drawings, the drawings are not necessarily drawn to scale unless specifically indicated.

[0034] "First", "second" and similar words used in the present disclosure do not indicate any order, quantity or importance, but are only used to distinguish different components. Likewise, words like "a", "an" or "the" do not denote a limitation of quantity, but mean that there is at least one. "Comprising" or "comprising" and similar words mean that the elements or items appearing before the word include the elements or items listed after the word and their equivalents, without excluding other elements or items. Words such as "connected" or "connected" are not limited to phys...

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Abstract

The present disclosure relates to an electronic device, a drive device, a power supply, and an electronic device. The device includes: a drive module, including a plurality of output channels, for outputting multiple control signals to drive a display panel; a discharge module, electrically connected to the drive A module, configured to: detect the power supply voltage of the drive module, and when the power supply voltage drops to a first reference voltage, control the power supply voltage to accelerate power-down; when the power supply voltage drops to a second reference voltage, control the The plurality of output channels are short-circuited to accelerate the power-off of the plurality of output channels, wherein the potential of the first reference voltage is higher than the potential of the second reference voltage. Through the above devices, the embodiment of the present disclosure can speed up the shutdown speed, thereby avoiding afterimages on the display panel during shutdown and improving the picture quality, and the driving device of the embodiment of the disclosure has high flexibility and is applicable to various display devices.

Description

technical field [0001] The present disclosure relates to the field of display technology, and in particular to an electronic device, a driving device, a power supply and an electronic device. Background technique [0002] With the continuous development of science and technology and the continuous improvement of people's living standards, various types of electronic equipment with display functions are more and more popular. However, the current display panels have problems in the drive module. When the power is turned off, if the power is turned off slowly, the discharge operation of the driving current and / or driving voltage of the driving module will be delayed, which will cause after-images to appear on the display panel during the shutdown process. Contents of the invention [0003] In view of this, the present disclosure proposes an electronic device, a driving device, a power supply, and an electronic device, so as to avoid afterimages when the display panel is turn...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09G3/36G09G3/3208G09G3/32
CPCG09G3/36G09G3/3208G09G3/32G09G2320/0257
Inventor 苏嘉伟王磊中林立堂
Owner CHIPONE TECH BEIJINGCO LTD