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A detection substrate, a detection panel and a photoelectric detection device

A technology for detecting substrates and detection areas, applied in the field of photoelectric detection, can solve problems such as electrochemical corrosion of bias voltage lines, and achieve the effects of avoiding potential accumulation, improving reliability, and increasing service life

Active Publication Date: 2022-01-11
BOE TECH GRP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The embodiment of the present invention provides a detection substrate, a detection panel and a photoelectric detection device to solve the problem that the bias voltage line is prone to electrochemical corrosion during the production process of the detection substrate

Method used

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  • A detection substrate, a detection panel and a photoelectric detection device
  • A detection substrate, a detection panel and a photoelectric detection device
  • A detection substrate, a detection panel and a photoelectric detection device

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Embodiment Construction

[0028] In order to make the purpose, technical solution and advantages of the present invention clearer, the detection substrate, detection panel and photoelectric detection device provided by the present invention will be further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only a part of the present invention Examples, not all examples. 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.

[0029] The shapes and sizes of the components in the drawings do not reflect the real scale, but are only intended to schematically illustrate the content of the present invention.

[0030] In related technologies, the detection substrate generally includes multiple detection areas, such as figure 1 As shown, each detection area includes: a switch circuit TFT, a ph...

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Abstract

The invention discloses a detection substrate, a detection panel and a photoelectric detection device. In the invention, a voltage compensation module is arranged between an input terminal and a bias voltage line. The opposite voltage, so the voltage compensation module can offset the voltage generated by the photoelectric conversion module under ambient light in the process of detecting the substrate, and avoid the potential accumulation on the bias voltage line, thus solving the problem of the potential of the bias voltage line in the developer. Or the environment of stripping liquid is prone to electrochemical corrosion, thereby increasing the service life of the product and improving the reliability of the product.

Description

technical field [0001] The invention relates to the technical field of photoelectric detection, in particular to a detection substrate, a detection panel and a photoelectric detection device. Background technique [0002] Flat X-ray Panel Detector (FPXD) based on thin film transistor (Thin Film Transistor, TFT) technology is a crucial component in digital imaging technology, because of its fast imaging speed, good space and With the advantages of density resolution, high signal-to-noise ratio, and direct digital output, it is widely used in medical imaging (such as X-ray chest X-ray), industrial inspection (such as metal flaw detection), security inspection, air transportation and other fields. [0003] FPXD includes direct type and indirect type, and indirect type includes CCD, CMOS, amorphous silicon and other types. Among them, the amorphous silicon flat panel detector has a larger imaging area and lower distortion than CMOS and CCD flat panel detectors. The imaging pri...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01L27/146
CPCH01L27/14612H01L27/14636H01L27/14643H01L27/14663G01T1/20186G01T1/208
Inventor 钟昆璟侯学成
Owner BOE TECH GRP CO LTD