Steady-state flexible display device preparation method based on electrochromism principle
An electrochromic, flexible display technology, applied in static indicators, instruments, nonlinear optics, etc., can solve the problems of repeated reading and writing, and single pattern display.
Pending Publication Date: 2022-06-28
SHANGHAI DONGZHOU IND
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This technology realizes the display of patterns during the color changing process, achieving the effect of information display or enhancing the appearance design, but due to the passive control circuit, the pattern display is single, and repeated reading and writing cannot be realized
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[0021] The invention provides a preparation method of a steady-state flexible display device based on electrochromic principle; it is characterized in that the device structure comprises two parts, a TFT array module 1 and an electrochromic module; the display device is driven by the TFT array module 1 The photochromic module displays the desired pattern. When the display is discolored, the power is turned off, and the device can maintain a stable display for a long time; at the same time, it can realize the function of repeatable reading and writing according to the needs of the pattern, and realize a flexible display device with high efficiency and energy saving.
[0022] The TFT array module 1 of the present invention uses a flexible substrate as a carrier to prepare a TFT array 101 through a magnetron sputtering process, and at the same time, uses a flexible PCB as a carrier to prepare an H-side driver IC 102, and uses an FPC as a carrier to prepare a V-side driver circuit 1...
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Abstract
The invention provides a preparation method of a steady-state flexible display device based on an electrochromism principle. The device structure is characterized by comprising a TFT (Thin Film Transistor) array module and an electrochromic module, according to the display device, the electrochromic module is driven by the TFT array module to display a required pattern, and independent display of a single pixel element is realized by an independent pixel element through electron transmission of the flexible solid electrolyte membrane array under the control and corresponding driving of the IC chip; the definition of the whole device is improved, meanwhile, the response speed of the electrochromic device is increased, a power supply is turned off after color change is displayed, and the device can keep stable display for a long time; therefore, the device has great advantages in the field of energy conservation and emission reduction.
Description
technical field [0001] The present invention relates to a steady state display technology of an electrochromic device. Background technique [0002] Electrochromism refers to the phenomenon that under the action of electric field and current, the material produces reversible discoloration through redox reaction caused by electrochemical process. The electrochromic system has a complex structure, usually composed of five layers of electrochromic layer (EC), ion conductive layer (IC) and ion storage layer (IS) sandwiched between two transparent conductive layers (TC). When a DC voltage of 1-5V is applied between the conductive layers, the conductive ions will shuttle back and forth between the ion storage layer and the electrochromic layer. Electrochromic devices, which can undergo stable and reversible changes in color and transmittance under an external electric field, have a huge application market in consumer electronics. However, the conductive layers on both sides of t...
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IPC IPC(8): G02F1/163G09F9/30G09G3/00G09G3/38
CPCG02F1/163G09F9/301G09G3/035G09G3/38
Inventor 郭素文郑岩张瑞君全丽华陈君燕周金水何帮缵郑凯岩宋长波陆红梅田艳红
Owner SHANGHAI DONGZHOU IND