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Voltage input correction circuit and touch panel

A technology for correcting circuits and voltage input, applied in the field of circuits, can solve problems such as touch circuit damage, touch circuit destructiveness, impact, etc.

Active Publication Date: 2019-09-06
BOE TECH GRP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, during the panel detection stage, it is possible to connect the wrong power supply voltage, thus causing damage to the touch circuit
In addition, when in use, there may be an external high voltage input, which will cause destructive impact on the touch circuit

Method used

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  • Voltage input correction circuit and touch panel
  • Voltage input correction circuit and touch panel
  • Voltage input correction circuit and touch panel

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Embodiment Construction

[0017] In order to make the purpose, technical solutions and advantages of the embodiments of the present disclosure clearer, the technical solutions in the embodiments of the present disclosure will be clearly and completely described below in conjunction with the drawings in the embodiments of the present disclosure. Apparently, the described embodiments are some, not all, of the embodiments of the present disclosure. Based on the described embodiments of the present disclosure, all other embodiments obtained by persons of ordinary skill in the art without creative effort fall within the protection scope of the present disclosure. It should be noted that throughout the drawings, the same elements are denoted by the same or similar reference numerals. In the following description, some specific embodiments are only for the purpose of description, and should not be construed as limiting the present disclosure in any way, but are only examples of the embodiments of the present ...

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PUM

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Abstract

The invention provides a voltage input correction circuit and a touch panel. The voltage input correction circuit comprises an input signal end, an output signal end, a target voltage selection sub-circuit and an alternative voltage selection sub-circuit. The target voltage selection sub-circuit is electrically connected to the input signal end and the output signal end and is configured to outputa target voltage to the output signal end when a voltage of an input signal from the input signal end is in a target range. The alternative voltage selection sub-circuit is electrically connected with the input signal end and the output signal end and is configured to output the target voltage to the output signal end when the voltage of the input signal from the input signal end is in the alternative range.

Description

technical field [0001] The present disclosure relates to the field of circuits, in particular to a voltage input correction circuit and a touch panel. Background technique [0002] Generally, power supplies of various specifications need to be provided on the touch panel, for example, power supplies with voltages of 3.3V and 5V respectively. Wherein, the touch circuit uses a power supply voltage of 3.3V. However, during the panel detection stage, the power supply voltage may be wrongly connected, thereby causing damage to the touch circuit. In addition, when in use, there may be an external high voltage input, causing destructive impact on the touch circuit. Contents of the invention [0003] The disclosure proposes a voltage input correction circuit and a touch panel. [0004] According to one aspect of the present disclosure, a voltage input correction circuit is proposed. The voltage input correction circuit includes an input signal terminal, an output signal termin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/041
CPCG06F3/0416
Inventor 聂建飞饶杨
Owner BOE TECH GRP CO LTD