Chimei Innolux Corporation

Innocom Technology(shenzhen) Co., Ltd.

Innolux Display Corporation

Chimel Innolux Corporation

Innolux Corporation

Sz-Hsiao Chen

Chien-Hsueh Chiang

Eddy Giing-Lii Chen

Man-Fai Ieong

Tsau-Hua Hsieh

Sheng-Tien Cho

Kuo-Feng Li

Chiu-Lien Yang

Chueh-Ju Chen

Chao-Yi Hung

Chih-Sheng Chang

Kai-Chieh Chan

Tien-Feng Chiang

A gate line driving module used on a liquid crystal display uses clock signal sources in replacement of a high level gate power source, such that the phenomenon of device characteristic drift occurring in the foregoing related art is avoided. The gate line driving module includes a plurality of odd-pixel gate line driving circuits, a plurality of even-pixel gate line driving circuits, and an auxiliary gate line driving circuit. A pair of neighboring odd-pixel gate line driving circuit and even-pixel gate line driving circuit exchange output signals thereof with each other in a forward or feedback manner for ensuring that each the odd-pixel gate line driving circuit and each the even-pixel gate line driving circuit are driven once. The auxiliary gate line driving circuit is used for ensuring that signal iteration of the gate line driving module is under normal operation.

Gate line driving module for liquid crystal display and liquid crystal display  using the same

A method for improving motion blur and contour shadow of a display displaying images having a number of frames includes transforming a second average gray scale into a third average gray scale when a first average gray scale for displaying a first frame is unequal to the second average gray scale for displaying a second frame. A luminance corresponding to the second frame is generated according to the third average gray scale and at least one luminance query table. The third average gray scale is greater than the first average gray scale and the second average gray scale or less than the first average gray scale and the second average gray scale.

Method for improving motion blur and contour shadow of display and display thereof

An exemplary shift register includes plural shift register units (S&#x2dc;Sn). All the shift register units receive either a first clock signal or a second clock signal, and the shift register units output a plurality of shift register signals in sequence. An output of a previous shift register unit is an input of the next adjacent shift register unit.

Shift register and liquid crystal display using same

A liquid crystal display (LCD) device includes an LCD panel, and a common voltage generating circuit configured for providing common voltages to the LCD panel. The common voltage generating circuit includes a microprocessor, a timer, a voltage adjustment circuit, and a look up table. The microprocessor is electrically connected to the timer, the look up table, and the voltage adjustment circuit. The timer is configured for recording a continuous operated time of the LCD panel. The look up table is configured for storing optimal common voltages corresponding to each continuous operated time. The microprocessor is configured for reading the optimal common voltage at set intervals corresponding to the continuous operated time, and controlling the voltage adjustment circuit to provide the corresponding optimal common voltage to the LCD panel.

Liquid crystal display device having look up table for adjusting common voltages and driving method thereof

The present invention relates to a shift register and a liquid crystal display using the same. The liquid crystal display includes a liquid crystal panel, a data driving circuit and a scanning driving circuit. The data driving circuit and the scanning driving circuit each include a shift register. The shift register includes a plurality of shift register units. Two adjacent shift register units respectively receive two inverse clock signals and a VGL signal. Each shift register unit includes a signal output circuit, a signal input circuit, a first logic converting circuit, and a second logic converting circuit. The present shift register and a liquid crystal display have simple structure.

An exemplary shift register includes a plurality of shift register units, each of which includes an output circuit, an input circuit, and a logic circuit. The output circuit includes a clock transistor, a voltage stabilizing transistor, and an input circuit for receiving signals output by a previous shift register unit. The logic circuit receives signals output by the input circuit. When the input circuit outputs signals to switch on the clock transistor, the logic circuit outputs a low level voltage signal to shut off the voltage stabilizing transistor. Thus, the output circuit outputs signals via the clock circuit. On the other hand, when the input circuit outputs signals to shut off the clock transistor, the logic circuit outputs a high level voltage signal to turn on the voltage stabilizing transistor, so as to maintain the output circuit to output low level voltage signal.

A shift register of the present disclosure comprises a plurality of shift register units using alternating clock signals to shift signals. The shift register outputs signals having substantially no overlap with adjacent signals. The shift register may be employed in a liquid crystal display.

An exemplary LCD includes a frame memory configured for receiving a plurality of first gradations of current frame and outputting a plurality of second gradations of preceding frame pre-stored therein; a comparator configured for receiving, comparing the first gradations with the second gradation to generate a comparison result; a luminance detector configured for detecting a luminance degree of each of pixel according to the gradations of current frame; a calculator configured for calculating a complication degree of a picture to be displayed in current frame; and a gradation processor configured for receiving the first gradations of current frame to be displayed on the LCD panel, generating a plurality of pairs of compensating gradations according to the gradation of each pixel, and selecting one pair of the compensating gradations to be outputted to the LCD panel according to a received comparison result, a received luminance degree, and a received complication degree.

Liquid crystal display device having pairs of compensating gradations and method for driving same

An exemplary shift register () includes a plurality of shift register units () connected one by one. Each of the shift register units includes a clock signal input terminal (TS), a high level signal input terminal (VH), a low level signal input terminal (VL), an output terminal (VOUT), a reverse output terminal (VOUTB), a first input terminal (VIN), a second input terminal (VIN), a first common node (P), a second common node (P), a first switch circuit (), a second switch circuit (), a third switch circuit (), a fourth switch circuit (), a fifth switch circuit (), a six switch circuit (), a first inverter () connected between the first common node and the second common node, and a second inverter () connected between the output terminal and the reverse output terminal.

Shift register with no overlap effective output signal and liquid crystal display using the same

An exemplary shift register () includes a plurality of shift register units () connected one by one. Each of the shift register units includes a clock signal input terminal (TS), a high level signal input terminal (VH), a low level signal input terminal (VL), an input terminal (VIN), a first output terminal (VOUT), a second output terminal (VOUT), a first common node (P), a second common node (P), a first switch circuit (), a second switch circuit (), a third switch circuit (), a fourth switch circuit (), a fifth switch circuit (), a six switch circuit (), a nor gate, an inverter, and an and gate.

Shift register with lower power consumption and liquid crystal display using the same

An exemplary liquid crystal display () includes a liquid crystal panel (), a data circuit (), and a black insertion controller (). The liquid crystal panel includes a plurality of pixels (). The black insertion controller receives a display signal of the pixel, and generates a black insertion control signal according to an address of the pixel, and the data circuit drives the pixel to display one of a black image unit and a normal image unit according to the black insertion control signal in a first sub-frame period of a frame period. The displayed black image unit of the pixel or the displayed normal image unit is converted into a normal image unit or a black image unit in a second sub-frame period of the frame period. A method for driving the liquid crystal display is also provided.

Liquid crystal display having black insertion controller selecting black insertion control signals according to data stored therein and driving method thereof

An exemplary shift register () includes a plurality of shift register units () connected one by one. Each of the shift register units includes a first switch unit (), a second switch unit (), a third switch unit (), a fourth switch unit (), and a fifth switch unit (). A signal input terminal of each shift register unit is coupled to an output terminal of a rear-stage shift register unit. A first clock input terminal receives a first clock signal to turn on/off the first and second switch units. The third switch unit receives a second clock signal. The fourth switch unit pulls up the output voltage of the output terminal according to a controlling signal from the first switch unit. The fifth switch unit pulls down the output voltage of the output terminal according to controlling signals from the second and third switch units.

Shift register with shift register unit having output terminal non-continuously receiving low voltage and liquid crystal display using the same

An exemplary shift register () includes shift register units (S&#x2dc;Sn). The shift register units receive a clock signal and an inverse clock signal and output a plurality of shift register signals in sequence. An output of previous adjacent one of the shift register units is an input of the shift register unit.

Shift register and liquid crystal display device using same

An exemplary shift register () includes a plurality of shift register units (). The shift register units receive a clock signal and an inverse clock signal and output a plurality of shift register signals in sequence. The outputs waveforms of pre-stage shift register unit and the rear-stage shift register unit have no overlapping signals.

An exemplary gamma voltage output circuit () has an internal resistor string (), which has a plurality of resistors and a plurality of nodes; at least one external resistor string (), which has a plurality of resistors and a plurality of nodes; a plurality of switching circuit (), each switching circuit having at least one input end () and at least one output end (). The internal and the at least one external resistor strings connect in series between the power source AVDD and ground, respectively. Each node outputs a gamma voltage. The nodes of internal and the at least one external resistor strings respectively are connected to the output end and the input end, the resistors of the internal resistor string parallel connecting to corresponding resistors of the at least one external resistor string through the corresponding switching circuit.

Growing community of inventors

Miao-Li, Taiwan

Sz-Hsiao Chen