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Electronic paper display device, debugging method and driving method

A technology of a display device and a driving method, which is applied in the field of electronic paper, can solve the problems of inability to adjust the voltage difference, the complex problem of residual image on electronic paper, etc., and achieve the effect of positive and negative voltage balance

Inactive Publication Date: 2020-08-28
江西兴泰科技有限公司
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

In the existing electronic paper, the Vcom value (common electrode voltage) input by the IC is always constant, but the temperature of the electronic paper changes with the environment. Therefore, the Vcom value input by the same IC cannot always effectively affect the pixel The voltage difference between the electrode and the common electrode is adjusted, which makes it complicated to solve the image sticking problem of electronic paper

Method used

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  • Electronic paper display device, debugging method and driving method
  • Electronic paper display device, debugging method and driving method
  • Electronic paper display device, debugging method and driving method

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Embodiment Construction

[0024] For a better understanding of the application, various aspects of the application will be described in more detail with reference to the accompanying drawings. It should be understood that these detailed descriptions are descriptions of exemplary embodiments of the application only, and are not intended to limit the scope of the application in any way. Throughout the specification, the same reference numerals refer to the same elements.

[0025] In the drawings, the thickness, size and shape of objects have been slightly exaggerated for convenience of illustration. The drawings are merely examples and are not strictly drawn to scale.

[0026] It should also be understood that the terms "comprising", "having", "comprising" and "comprising", when used in this specification, mean that the features, integers, steps, operations, elements and / or components exist, But it does not exclude the presence or addition of one or more other features, integers, steps, operations, ele...

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Abstract

The invention relates to the technical field of electronic paper, and provides an electronic paper display device. The electronic paper display device comprises an electronic paper display panel, a first storage circuit, a first driving circuit, a second storage circuit and a second driving circuit, wherein the first storage circuit is used for storing a driving waveform; the first driving circuitis used for acquiring the driving waveform in the first storage circuit and providing the driving waveform for the display panel; the second storage circuit is used for storing Vcom values at different temperatures; and the second driving circuit is used for receiving temperature information, selecting the Vcom value in the second storage circuit according to the temperature information and providing the Vcom value for a common electrode. According to the electronic paper display device, when the temperature of electronic paper changes along with the environment, the proper Vcom value can becorrespondingly provided, so that the voltage difference between a pixel electrode and the common electrode is the same as the driving waveform designed under the normal temperature condition, and thepositive and negative voltages are balanced.

Description

technical field [0001] The present invention relates to the technical field of electronic paper, and more specifically relates to an electronic paper display device, a debugging method and a driving method. Background technique [0002] Electronic paper is a display screen made by electrophoretic display technology. The driving waveform (that is, a continuous voltage sequence) is applied to the electrodes of each pixel by an external electric field to drive electronic paper particles (that is, microcapsules wrapped with colored charged particles) ) to reciprocate to display different images. Two-color electronic paper encapsulates black and white charged particles in the same microcapsule, and three-color electronic paper refers to encapsulating charged particles of three colors, such as black, white, red or black, white and yellow, in the same microcapsule. When some EPD (electronic price tags) black and white, red, black and white and yellow three-color module products ar...

Claims

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Application Information

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IPC IPC(8): G09G3/34
CPCG09G3/344G09G2230/00
Inventor 程维
Owner 江西兴泰科技有限公司
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