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Electrophoretic display and driving method thereof

A technology of electrophoretic display and driving method, which is applied to static indicators, instruments, etc., and can solve problems such as blurred text, poor sharpness, and easy white edges of text

Active Publication Date: 2019-07-12
E INK HLDG INC
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

When the electrophoretic display displays yellow text on a black background, white edges tend to appear on the yellow text, resulting in blurred text and poor sharpness

Method used

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  • Electrophoretic display and driving method thereof
  • Electrophoretic display and driving method thereof
  • Electrophoretic display and driving method thereof

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Embodiment Construction

[0035] In order to make the content of the present invention more comprehensible, the following specific embodiments are taken as examples in which the present invention can be implemented. In addition, wherever possible, elements / components / steps using the same reference numerals in the drawings and embodiments represent the same or similar parts.

[0036] figure 1 is a block diagram of an electrophoretic display according to an embodiment of the present invention. refer to figure 1 , the electrophoretic display 100 includes a display panel 110 and a driving circuit 120 . In this embodiment, the electrophoretic display 100 is a color electrophoretic display device, and has a display effect of displaying at least three colors. The display panel 110 includes a plurality of pixels, and these pixels respectively correspond to a plurality of electrophoretic units arranged in an array, wherein the electrophoretic units include electrophoretic particles of three colors. In this ...

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Abstract

The invention provides an electrophoretic display and a driving method thereof. The electrophoretic display comprises a display panel and a driving circuit. The display panel comprises an electrophoresis unit and a driving substrate. The driving method comprises the following steps: providing a reset signal to a driving substrate so as to reset at least one of first electrophoresis particles and second electrophoresis particles in an electrophoresis unit; and providing a driving signal to the driving substrate to drive the third electrophoresis particles in the electrophoresis unit. In a firstdriving period of the driving signal, the driving signal comprises a plurality of first driving pulses and a plurality of second driving pulses which are arranged in a staggered manner. In a second driving period of the driving signal, the driving signal includes a plurality of third driving pulses. The electrophoretic display and the driving method thereof can provide good display quality.

Description

technical field [0001] The invention relates to a display technology, in particular to an electrophoretic display and a driving method thereof. Background technique [0002] With the advancement of electronic technology, electrophoretic displays are widely used in various display applications and electronic devices, and the current electrophoretic displays have been developed to provide color display effects. However, general color electrophoretic displays are prone to sharpness problems caused by blurred image edges, and the traditional improvement method is to adjust the terminal voltage and time of the driving signal to adjust the position of the internally charged electrophoretic particles. However, the sharpness issue still cannot be corrected under certain environments, materials or driving conditions. For example, the electrophoretic unit of the color electrophoretic display includes white electrophoretic particles, black electrophoretic particles and colored electro...

Claims

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Application Information

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IPC IPC(8): G09G3/34
CPCG09G3/344
Inventor 邱振恺林峰守郑智宇
Owner E INK HLDG INC
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