Driving circuit and display device

A technology for driving circuits and display devices, which is applied to static indicators, instruments, etc., can solve the problem that the display device cannot meet the refresh rate and other problems, and achieve the requirements of improving the picture display quality, the best visual experience, and the low power consumption of the low refresh rate. Effect

Active Publication Date: 2021-07-09
KUNSHAN GO VISIONOX OPTO ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present application provides a driving circuit and a display device to solve the problem that the existing display device cannot meet the demand for an ultra-wide refresh rate

Method used

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  • Driving circuit and display device
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  • Driving circuit and display device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0057] In embodiment one, if figure 2 As shown, when the driving circuit 1 is a 2T1C driving circuit 1, the switch transistor 11 includes: a first transistor T1. The driving transistor 12 includes: a second transistor T2. The first storage capacitor 13 includes: a first capacitor Cst1. The driving element 14 includes: a first light emitting diode OLED1.

[0058]The first pole of the first transistor T1 is electrically connected to the source signal terminal Source, the gate of the first transistor T1 is electrically connected to the gate signal terminal Gate, and the second pole of the first transistor T1 is respectively connected to the first electrode of the first capacitor Cst1. terminal is electrically connected to the gate of the second transistor T2, the first pole of the second transistor T2 is electrically connected to the positive voltage signal terminal VDD of the power supply, the second pole of the second transistor T2 is electrically connected to the anode of t...

Embodiment 2

[0063] In the second embodiment, if image 3 As shown, when the driving circuit 1 is a 7T1C driving circuit 1, the switching transistor 11 and the driving transistor 12 include: the third transistor T3, the fourth transistor T4, the fifth transistor T5, the sixth transistor T6, the seventh transistor T7, the Eight transistor T8 and ninth transistor T9. The first storage capacitor 13 includes: a second capacitor Cst2. The driving element 14 includes: a second light emitting diode OLED2.

[0064] The gate of the third transistor T3 is electrically connected to the first terminal of the second capacitor Cst2, the first pole of the fifth transistor T5, and the first pole of the sixth transistor T6, respectively, and the first pole of the third transistor T3 is connected to the first pole of the fourth transistor T3 respectively. The first pole of the transistor T4 is electrically connected to the first pole of the seventh transistor T7, and the second pole of the third transisto...

Embodiment 3

[0076] In the third embodiment, in figure 2 Based on the example shown, as Image 6 As shown, the second storage capacitor 15 includes: a third capacitor Cst3. A first terminal of the third capacitor Cst3 is electrically connected to the gate of the second transistor T2, and a second terminal of the third capacitor Cst3 is electrically connected to the positive voltage signal terminal VDD of the power supply.

[0077]Based on the above connection relationship, the gate of the first transistor T1 is connected to the signal input from the gate signal terminal Gate, so that the first transistor T1 is turned on, and the signal input from the source signal terminal Source enters the first capacitor through the first transistor T1 The first terminal of Cst1, the first terminal of the third capacitor Cst3 and the gate of the second transistor T2, and under different refresh frequencies of the display device, the second terminal of the first capacitor Cst1 is connected to the first ...

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Abstract

The application provides a driving circuit and a display device. In this application, by dynamically changing the voltage at one end of the storage capacitor, the charge amount of the storage capacitor decreases with the increase of the refresh frequency of the display device, or the charge amount of the storage capacitor decreases with the decrease of the refresh frequency of the display device. Small but large, it realizes the data writing process and maintains the pixel current capability, thus not only meeting the low power consumption requirements of low refresh frequency, but also meeting the requirements of smooth images with high refresh frequency, and achieving ultra-wide refresh The circuit requirement of the frequency is conducive to improving the image display quality of the display device, improving the visual effect of the display device, providing users with a better visual experience, and improving the competitiveness of the display device.

Description

technical field [0001] The present application relates to the field of display technology, in particular to a driving circuit and a display device. Background technique [0002] As the information output port of the display device, the screen can present various information. Currently, most display devices support a dynamic refresh rate of 30Hz-90Hz. With the continuous development of technology, there has been a demand for an ultra-wide refresh rate of 1Hz-120Hz in the market. However, existing display devices cannot meet the requirement of an ultra-wide refresh rate. Contents of the invention [0003] The present application provides a driving circuit and a display device to solve the problem that the existing display device cannot meet the requirement of ultra-wide refresh frequency. [0004] In a first aspect, the present application provides a driving circuit applied to a display device, the driving circuit includes: a switching transistor, a driving transistor, a ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09G3/3233G09G3/36
CPCG09G3/3233G09G3/3648
Inventor 米磊冯宏庆鲁建军
Owner KUNSHAN GO VISIONOX OPTO ELECTRONICS CO LTD
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