Au Optronics Corporation

University of Central Florida Research Foundation Inc

Young-Ran Chuang

Ching-Huan Lin

Chu-Yu Liu

Shin-Tson Wu

Norio Sugiura

Kuan-Chun Huang

Jin Yan

Hui-Chuan Cheng

A driving circuit of a pixel includes a driving capacitor for driving liquid crystals according to a voltage difference between first and second ends of the driving capacitor, a reference voltage source for providing a reference voltage, a first data line for providing a first driving voltage, a second data line for providing a second driving voltage, a first scan circuit for electrically connecting the first and the second data lines to the first and the second ends of the driving capacitor respectively when the first scan circuit is turned on, a first scan line for controlling on and off states of the first scan circuit, a second scan circuit for electrically connecting the first end and the second end of the driving capacitor when the second scan circuit is turned on, and a second scan line for controlling on and off states of the second scan circuit.

Driving circuit of a pixel of a liquid crystal display panel and driving method thereof

A display device includes a display module, a light source module and a guiding optical film. The display module includes a first substrate, a second substrate and a display medium. The light source module generates directional light. The display module has a vertical electric field. The display medium is optically isotropic, and the display medium is optically anisotropic when driven by the vertical electric field. The directional light is not perpendicular to the first substrate when the directional light enters the display nodule. The directional light is not perpendicular to the second substrate when the directional light exits the display module. The guiding optical film is disposed on the second substrate and has a light incident surface and a light emitting surface. After the directional light exits the guiding optical film, emitting light is formed, and the emitting light and the light emitting surface has an included angle there between.

Display device

A liquid crystal display includes a first switch for outputting a first electrode voltage according to a first data signal and a first gate signal, a second switch for outputting a second electrode voltage according to a second data signal and the first gate signal, a liquid crystal capacitor for controlling liquid-crystal transmittance according to the difference between the first and second electrode voltages, a first storage capacitor for storing the first electrode voltage, a third switch, a second storage capacitor for storing the second electrode voltage, and a fourth switch. The third switch controls the operation of furnishing a first common voltage to the first storage capacitor according to a second gate signal, for adjusting the first electrode voltage. The fourth switch controls the operation of furnishing a second common voltage to the second storage capacitor according to the second gate signal, for adjusting the second electrode voltage.

Liquid crystal display and driving method with common voltage control for avoiding flicker and color-shift phenomena

A pixel structure includes a scan line, a first data line, a second data line, a first active device, a second active device, a first pixel electrode, a second pixel electrode, a common line, and a first capacitance upper electrode. The first and the second data lines intersect the scan line. The common line is parallel to the scan line. The first pixel electrode is electrically connected to the first data line through the first active device. The second pixel electrode is electrically connected to the second data line through the second active device. A difference between a first voltage of the first pixel electrode and a second voltage of the second pixel electrode constitutes a driving electric field to drive a display medium. The first capacitance upper electrode is electrically connected to the first pixel electrode and located above the common line to form a first storage capacitor.

Pixel structure

A pixel structure including a scan line, a first data line, a second data line, a first active device, a second active device, a first pixel electrode, a second pixel electrode, and a common electrode is provided. The first data line and the second data line are respectively intersected with the scan line. The first pixel electrode is electrically connected to the first data line through the first active device. The second pixel electrode is electrically connected to the second data line through the second active device. The common electrode is located under the first pixel electrode and the second pixel electrode. Both a first voltage of the first pixel electrode and a second voltage of the second pixel electrode are different from a third voltage of the common electrode.

Growing community of inventors

Tainan, Taiwan

Young-Ran Chuang