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Detection circuit and display substrate

A technology for detecting circuits and display areas, applied to static indicators, instruments, etc., can solve problems such as poor display

Active Publication Date: 2019-05-14
HKC CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention provides a detection circuit and a display substrate to solve the problem of poor display caused by laser cutting

Method used

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  • Detection circuit and display substrate
  • Detection circuit and display substrate
  • Detection circuit and display substrate

Examples

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Embodiment Construction

[0032] In order to make the above objects, features and advantages of the present invention more comprehensible, specific implementations of the present invention will be described in detail below in conjunction with the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, the present invention can be implemented in many other ways different from those described here, and those skilled in the art can make similar improvements without departing from the connotation of the present invention, so the present invention is not limited by the specific implementations disclosed below.

[0033] Such as figure 1 As shown, TFT-LCD (Thin Film Transistor Liquid Crystal Display, Thin Film Transistor Liquid Crystal Display) is one of the main varieties of flat panel display at present, and has become an important display platform in modern IT and video products. The main d...

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Abstract

The embodiment of the invention provides a detection circuit and a display substrate. The detection circuit comprises a trigger unit and a switch unit. the first input end of the trigger unit is electrically connected with the test machine; The second input end of the trigger unit is electrically connected with the output end of the trigger unit, and the third input end of the trigger unit is grounded and used for receiving a test signal provided by the test machine and generating a switch control signal according to the test signal and a voltage signal of the second input end of the trigger unit. The first input end of the switch unit is electrically connected with the second input end of the trigger unit and the output end of the trigger unit. The second input end of the switch unit is electrically connected with a signal bus, and the output end of the switch unit is electrically connected with a display area and used for receiving the switch control signal and disconnecting the signal bus from the display area after detection is completed according to the switch control signal.

Description

technical field [0001] The invention relates to the field of display technology, in particular to a detection circuit and a display substrate. Background technique [0002] The Thin Film Transistor Liquid Crystal Display (TFT-LCD) panel is one of the main products of the current flat panel display, and has become an important display platform in the modern information technology industry and video products. The main driving principle of the TFT-LCD display panel includes: the main board of the system connects data such as pixel signals and control signals and the power supply to the connector on the printed circuit board (Printed Circuit Board, PCB) through the wire, and the data passes through the logic on the PCB board. Board (Timing Controller, TCON) integrated circuit processing, through the PCB board, through the source film drive chip (Source-Chip on Film, S-COF) and gate film drive chip (Gate-Chip on Film, G-COF) and The display area is connected so that the display ...

Claims

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Application Information

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IPC IPC(8): G09G3/00
Inventor 黄笑宇
Owner HKC CORP LTD
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