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display device

A technology of a display device and a resistor, which is applied in the field of circuits and can solve problems such as abnormal display of the display device

Active Publication Date: 2020-10-23
HISENSE VISUAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0014] The present invention provides a display device, through the charging module provided in the control circuit, when the electronic equipment is shut down, the capacitor in the control circuit can be quickly charged, so that the power supply circuit of the display device of the electronic equipment can be quickly charged when the electronic equipment is shut down. Disconnect, and then solve the problem of abnormal display of the display device caused by the load of the display device not being able to cut off the power in time

Method used

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Embodiment Construction

[0060] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0061] The terms "first", "second", "third", "fourth", etc. (if any) in the description and claims of the present invention and the above drawings are used to distinguish similar objects, and not necessarily Used to describe a specific sequence or sequence. It is to be understood that the data so used are interchangeable under appropriate circumstances such that the embodiments of the invention described herein are, for example, capable of practice in sequence...

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Abstract

The present invention provides a display device, including: a power supply circuit, a load, and a control circuit, wherein the control circuit includes: a capacitor, a first resistor, a second resistor, a charging module, and a grounding switch; the charging module is used for, when the grounding switch is disconnected , keep the voltage difference between the second terminal of the first resistor and the second terminal of the capacitor; make the second terminal of the first resistor charge the capacitor through the charging module; the capacitor is used when the voltage of the second terminal of the capacitor does not satisfy The conduction condition of the power supply circuit controls the disconnection of the power supply circuit. The display device provided by the present invention can quickly disconnect the power supply circuit of the display device of the electronic device when the electronic device is turned off, thereby ensuring the abnormal display of the display device caused by the load of the display device being unable to cut off the power in time.

Description

technical field [0001] The present invention relates to the technical field of circuits, in particular to a display device. Background technique [0002] With the development of electronic technology, people can use more and more electronic devices with display devices in their daily life, such as mobile phones, tablet computers, notebook computers or TVs, etc. These electronic devices can realize content display through display devices. visualization. When people use electronic equipment, after connecting the power supply of the electronic equipment to the mains alternating current, the mains alternating current supplies power to the display device of the electronic equipment. The display device may include but not limited to household appliances, industrial appliances or terminal communication equipment, etc. Electrical installations. [0003] Taking TV as an example to introduce its power architecture, Figure 1a A schematic diagram of the TV power architecture, such as...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N5/63H02M3/07
CPCG09G3/36H02M1/36G09G2330/027G09G2330/02G09G2330/08G09G3/20H02M1/0006G06F1/26H02M1/32H04N5/63H02M3/01H02M3/33573G06F1/28G09G1/005G09G2330/021
Inventor 李本友田收
Owner HISENSE VISUAL TECH CO LTD
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