Electronic device, driving equipment, power supply and electronic equipment
A technology for electronic devices and driving equipment, which is applied to instruments, static indicators, 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: 2021-04-06
CHIPONE TECH BEIJINGCO LTD
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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
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[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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The invention relates to an electronic device, driving equipment, a power supply and electronic equipment, and the device comprises: a driving module which comprises a plurality of output channels and is used for outputting a plurality of control signals so as to drive a display panel; and a discharging module which is electrically connected to the driving module and is used for detecting the power supply voltage of the driving module, controlling the power supply voltage to accelerate power failure when the power supply voltage is reduced to a first reference voltage, and controlling the plurality of output channels to be short-circuited to accelerate the power failure of the plurality of output channels when the power supply voltage is reduced to a second reference voltage, wherein the potential of the first reference voltage is higher than that of the second reference voltage. By means of the device, the shutdown speed can be increased, so that ghosting of the display panel during shutdown is avoided, the picture quality is improved, and the driving device is high in use elasticity and can be suitable for 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...
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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