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Display driving circuit

A display driver and panel driver circuit technology, applied to static indicators, instruments, etc., can solve the problems of limited production capacity of driver chips, high production costs, and increased cost of driver chips

Active Publication Date: 2020-01-31
SITRONIX TECH CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, using a process with a higher withstand voltage to make chips not only has larger circuit components and higher manufacturing costs, but also has a limited production capacity of driver chips.
That is, the cost of the driver chip has increased significantly, and the production capacity has decreased

Method used

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Embodiment Construction

[0070] In order to make the structural features of the present invention and the achieved effects have a further understanding and recognition, preferred embodiments and detailed descriptions are specially used, which are described as follows:

[0071] Some terms are used in the specification and claims to refer to specific components. However, those with ordinary knowledge in the technical field of the present invention should understand that manufacturers may use different terms to refer to the same component. Moreover, this specification and The claim item does not use the difference in name as the way to distinguish the components, but the difference in the overall technology of the components as the criterion for distinguishing. "Includes" mentioned throughout the specification and claims is an open term, so it should be interpreted as "including but not limited to". Furthermore, the term "coupled" herein includes any direct and indirect means of connection. Therefore, i...

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PUM

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Abstract

The invention relates to a display driving circuit. The display driving circuit comprises a power supply circuit and a panel driving circuit, the power supply circuit receives an input voltage, the input voltage is a potential difference between a first input potential and a second input potential, the voltage supply circuit is used for generating a first supply potential and a second supply potential according to the first input potential and the second input potential and providing a supply voltage, the supply voltage is a potential difference between the first supply potential and the second supply potential, the first supply potential is higher than the second supply potential, and the second supply potential is located between the first input potential and the second input potential.The panel driving circuit is coupled to the first supply potential and the second supply potential to receive the supply voltage and generate a plurality of driving signals.

Description

technical field [0001] The present invention relates to a driving circuit, especially a display driving circuit. Background technique [0002] In recent years, due to continuous improvement of the resolution of the display panel, that is, increasing the number of pixels of the display panel, the area of ​​each pixel is continuously reduced. In the case that the area of ​​each pixel is limited, the number of circuit elements that can be accommodated in each pixel of the display panel is limited. In this way, the current technology simplifies the circuits located in the pixels, which also simplifies the functions that can be completed by the circuits located in the pixels, resulting in the driver chip needing to generate a higher driving voltage to the display panel, such as used in active-matrix organic light-emitting diodes (Active-matrix OLEDs) organic light-emitting diode, AMOLED) display panel driver chip. Therefore, in order to meet the requirement of a higher driving ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G3/3258
CPCG09G3/3258G09G3/3225G09G3/3275G09G2310/027G09G2310/0289G09G2310/0291G09G2320/0242G09G2320/0673G09G3/3696G09G2310/0243G09G2330/028
Inventor 廖敏男
Owner SITRONIX TECH CORP