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LCD Display Mainstream Technology Is Concerned

Among the various flat panel displays (FPDs), LCD Display the organic EL display is concerned with the mainstream technology as a flexible display because it can achieve high contrast, high color performance range, and easy to achieve ultra-thin.

Representative electronic paper - electrophoretic display (EPD) has long been put into practical use as a flexible display. Moreover, this display screen is a memory type, LCD Display no reflection type of the backlight, no polarizer, so you can get bright, no color display. But there are problems with color display and video display.

The LCD screen can achieve large-screen, LCD Display high-precision, with a large color performance range can be achieved, as a high-quality display has been widely used. Moreover, the LCD screen manufacturing technology is very mature, not long before, China's output will become the first. But the liquid crystal is the liquid, must be arranged in an orderly, so, with the development of thin and flexible, LCD Display the LCD screen in the display quality of the stability of the problem.

The basic structure of flexible liquid crystal display. To achieve a practical flexible liquid crystal display, the focus is to use the liquid crystal cell within the formation of micro-polymer partition wall (polymer spacerwall) network structure, to maintain a certain liquid crystal cell gap, and maintain a stable orientation.

Flexible LCD requires a flexible backlit light. Fig. 2 is a partial dimming backlight system in which a liquid crystal polymer composite film is used in a light guide plate for a backlight which can realize a thin flexible condition and contributes to a high contrast and power saving. The liquid crystal and the polymer in the composite film have molecular orientation, LCD Display and can be expressed as light scattering or transparent by switching voltage.

The cross-section structure of the reflex type flexible liquid crystal display screen. The surface of the two substrates was coated with a polyimide film ("SE-4811" manufactured by Nissan Chemical Industries, Ltd.), and then heated at a temperature of 120C to be used as an alignment film for liquid crystal. The thickness of the liquid crystal cell was 2 m, and the liquid crystal material was filled in vacuum ("MLC-2038" manufactured by Merck & Co., USA). In order to achieve high contrast and wide viewing angle, LCD Display a biaxially stretched film, a circularly polarizing plate and a light diffusing plate are also used.

For the In-cell type polarizing plate using a dye-based polarizing film and its application in a TN liquid crystal display panel, the method of "Fabrication ofThin Flexible Liquid Crystal Display Using Dye-Type In-Cell Polarizer" was published by Northeastern University Speech (thesis number: FLXp1-5L). LCD Display Plastic substrate led to poor display quality, narrow viewing angle characteristics of flexible liquid crystal display is facing a major issue. Moreover, the thickness of the polarizing plate and the retardation plate causes a problem of poor flexibility.

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