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Driving method of display device and display device

A technology of a display device and a driving method, applied to static indicators, instruments, etc., can solve problems such as different effects, and achieve the effects of improving brightness changes, improving brightness changes, and reducing output delay

Active Publication Date: 2022-02-18
EVERDISPLAY OPTRONICS (SHANGHAI) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] But at high grayscale, TFT leakage and hysteresis effects are less affected, which is different from the effect shown at low grayscale

Method used

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  • Driving method of display device and display device
  • Driving method of display device and display device
  • Driving method of display device and display device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0038] Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the example embodiments to those skilled in the art. The same reference numerals denote the same or similar structures in the drawings, and thus their repeated descriptions will be omitted.

[0039] Furthermore, the drawings are merely schematic illustrations of the present disclosure and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus repeated descriptions thereof will be omitted. Some of the block diagrams shown in the drawings are functional entities and do not necessarily correspond to physically or logically separate entities. The...

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Abstract

The invention provides a driving method of a display device and the display device, and the driving method comprises the steps that a frame image signal is generated, the frame image signal is outputted to an organic light-emitting device, and the frame image signal comprises a valid data area and a blank area based on a time sequence; in an effective data area of a frame image signal, a time sequence controller writes data voltage into a grid electrode of a thin film transistor, the data voltage is stored in a storage capacitor, and the data voltage is applied to an organic light-emitting device through the thin film transistor; and when the time sequence controller judges that the blank area of the frame image signal is reached, the first voltage of the cathode of the organic light-emitting device is changed, and the working current of the organic light-emitting device is compensated, so that the brightness of the current frame image signal of the organic light-emitting device is kept the same as the brightness of the previous frame image signal of the organic light-emitting device. According to the driving method of the display device, the brightness change under the low gray scale can be improved.

Description

technical field [0001] The present invention relates to the field of display technology, in particular, to a driving method of a display device and a display device. Background technique [0002] figure 1 It is a schematic diagram of brightness change displayed at 30 Hz under low grayscale in the prior art. figure 2 It is a schematic diagram of brightness change displayed at 60 Hz under low grayscale in the prior art. image 3 It is a schematic diagram of brightness change displayed at 30 Hz under high gray scale in the prior art. Figure 4 It is a schematic diagram of brightness change displayed at 60 Hz under high gray scale in the prior art. refer to Figures 1 to 4 , where the horizontal axis is the timing, and the vertical axis is the brightness change, measured by the optical measurement tool in the case of low grayscale (Grey32) and high grayscale (Grey255). Figure 5 It is the brightness change curve of switching from 30Hz to 60Hz 64 gray scales in the prior ar...

Claims

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Application Information

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IPC IPC(8): G09G3/3225
CPCG09G3/3225G09G2340/16G09G2330/028G09G2300/0866G09G2340/0435G09G2320/0233G09G3/3233G09G3/3208G09G2310/08G09G2310/061G09G2300/0842
Inventor 李向抒康哲彦沈飞山下佳大朗
Owner EVERDISPLAY OPTRONICS (SHANGHAI) CO LTD
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