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Drive device

A driving device and signal technology, applied in the direction of instruments, static indicators, etc., can solve problems such as affecting output and variation, and achieve the effect of improving uneven brightness display

Active Publication Date: 2022-04-05
AU OPTRONICS CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional gate drive device needs to have forward or reverse transmission function, its internal node leakage current will affect the output, and if the thin film transistor in the circuit is aging, the threshold voltage (Threshold voltage, Vth) variation will affect the output

Method used

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Embodiment Construction

[0043] In order to make the description of the disclosure more detailed and complete, the following provides an illustrative description of the implementation and specific embodiments of the present case; but this is not the only form of implementing or using the specific embodiments of the present case. The description covers features of various embodiments as well as method steps and their sequences for constructing and operating those embodiments. However, other embodiments can also be used to achieve the same or equivalent functions and step sequences.

[0044] Unless otherwise defined in this specification, the meanings of scientific and technical terms used herein are the same as those understood and commonly used by those with ordinary knowledge in the technical field to which this case belongs. In addition, the singular nouns used in this specification include the plural forms of the nouns, and the plural nouns used also include the singular forms of the nouns, unless ...

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Abstract

A driving device comprises an nth-stage circuit and an (n + 1) th-stage circuit. The nth-stage circuit is used for deciding whether to provide a first voltage stabilizing signal, a second voltage stabilizing signal or a third voltage stabilizing signal according to the first selection signal or the second selection signal, and deciding whether to provide a first grid signal according to the first voltage stabilizing signal or the second voltage stabilizing signal. The (n + 1) th-stage circuit is used for determining whether to provide a lower-stage first voltage stabilizing signal, a lower-stage second voltage stabilizing signal or a lower-stage third voltage stabilizing signal according to the first selection signal or the second selection signal, and is used for determining whether to output a lower-stage second grid signal according to the lower-stage first voltage stabilizing signal and the lower-stage third voltage stabilizing signal.

Description

technical field [0001] This case is related to a display device, and in particular to a gate driving device applied to an organic light emitting diode display. Background technique [0002] The Organic Light-Emitting Diode (OLED) display has the advantages of high contrast, high color saturation and good luminous efficiency, making it one of the hot technologies of the next generation. The traditional gate drive device needs to have forward or reverse transmission function, and its internal node leakage current will affect the output, and if the thin film transistor in the circuit is aging, the threshold voltage (Threshold voltage, Vth) variation will affect the output. Therefore, how to provide OLED driving devices and displays with high display quality is a technical problem to be solved in the industry. Contents of the invention [0003] This Summary is intended to provide a simplified summary of the disclosure in order to provide the reader with a basic understanding ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G3/3266
CPCY02B70/10
Inventor 林志隆蔡佳凌赖柏成赖柏君叶佳元
Owner AU OPTRONICS CORP
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