Electrophoretic display method

An electrophoretic display and secondary display technology, applied to static indicators, instruments, etc., can solve the problems of long time synchronous scanning, incoherent screen display, stuck animation playback, etc., so as to shorten the screen update time, improve the card the effect of

Active Publication Date: 2012-08-22
FUZHOU ROCKCHIP SEMICON
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  • Abstract
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Problems solved by technology

[0004] At present, the maximum display gray scale of the electrophoretic display screen is 16 gray scales, and it takes seven to eight hundred milliseconds to display a 16 gray scale image. The existing electrophoretic display screen scans the pixels of the electrophoretic display screen synchronously during the display process. , so when the animation is displayed, due to the long time required for the above-mentioned synchronous scanning, the screen display is incoherent during the animation playback process, causing the display animation to freeze

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Embodiment Construction

[0028] In order to describe the technical content, structural features, achieved goals and effects of the present invention in detail, the following will be described in detail in conjunction with the embodiments and accompanying drawings.

[0029] see figure 1 , is a structural block diagram of an electrophoretic display device in an embodiment of the present invention. The electrophoretic display device 100 includes a processing unit 10 , a display control unit 20 , an electrophoretic display screen 30 , a cache unit 40 and a storage unit 50 . The total number of pixels included in the electrophoretic display screen is M. A waveform table is stored in the storage unit 50, and the waveform table defines a corresponding driving data group when refreshing from an old gray scale to a new gray scale, wherein the old gray scale is the gray scale of the last displayed image, and the new gray scale For the gray scale of the image being displayed, the driving data set includes mult...

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Abstract

The invention discloses an electrophoretic display method. A cache is divided into five cache areas which are respectively used for saving frame number at a certain position corresponding to each pixel point of an electrophoretic display screen, image data waiting to be displayed, image data being displayed, image data display at last time and frame driving data of a next frame. The electrophoretic display method scans and updates image data and driving data of the pixel points of the electrophoretic display screen asynchronously so as to shorten picture update time and further improve blocking of animation playing.

Description

technical field [0001] The invention relates to the field of electrophoretic display, in particular to an electrophoretic display method. Background technique [0002] The electrophoretic display is a paper-like display that uses colored charged balls to move in a liquid environment with an applied electric field to present different color display effects. [0003] The specific technique is that titanium dioxide particles with a diameter of about 1 mm are dispersed in hydrocarbon oil, black dye, surfactant and charge control agent to charge the particles are also added to the hydrocarbon oil; this mixture is placed in two Between the parallel conductive plates with a distance of 10-100mm, when a voltage is applied to the two conductive plates, these particles will migrate from the thin plate to the thin plate with the opposite charge in the form of electrophoresis. When the particles are on the front (display side) of the display, the display is white because light is scatt...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G3/34
Inventor 洪锦坤
Owner FUZHOU ROCKCHIP SEMICON
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