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Device structure of a new color-sequential transflective LCD.
Source publication
Three new transflective liquid crystal displays (LCDs) are reported in this paper. The first one uses color sequential method for transmissive mode with an LED backlight. The second utilizes a wire-grid-polarizer in the reflective part without any phase retardation film. The third is a polarizer-free transflective LCD based on the absorption and sc...
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Citations
An effective tunable optical beam deflection device based on a periodic gradient refractive index (GRIN) profile is reported, which is capable of achieving a 5° beam deflection with an angle resolution of 0.5°. The operation voltage is around 6 V
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, and the maximum operation frequency is 2 kHz. The GRIN beam deflection device is induced by periodically varying liquid crystal orientations. A highly resistive and patterned polymer film with a resistivity of 11 GΩ/sq is deposited to achieve a linear potential distribution between the two addressing electrodes in every unit cell. The resulting electric field pattern across the device is sawtooth-like. Both the device fabrication and the driving interconnection circuit are very simple. The advanced materials and the techniques used in this device are also applicable to other tunable optical and photonic components (such as adaptive lenses and light intensity modulators) by adapting the electrode design and the voltage signals.
