Abstract: An integrated driver device frame of a liquid crystal display panel is provided. The integrated driver device frame comprises a plurality of driver units, a plurality of driver lines and a plurality of output terminals. Each output terminal is coupled to a corresponding pixel element respectively. In the integrated driver device frame of the invention, the plurality of driver units is arranged with two staggered rows, in order that the driver unit width is larger than the interval of every neighboring two output terminals and is less than two times of the interval. Accordingly, the interval of two neighboring output terminals can be equal to the pixel pitch and the dot-per-inch resolution of the LCD panel can be enhanced.

Abstract: A dual gate layout of a thin film transistor of liquid crystal display to alleviate dark current leakage is disclosed. The layout comprises (1) a polysilicon on a substrate having a L-shaped or a snake shaped from top-view, which has a heavily doped source region, a first lightly doped region, a first gate channel, a second lightly doped region, a second gate channel, a third lightly doped region and a heavily doped drain region formed in order therein; (2) a gate oxide layer formed on the polysilicon layer and the substrate, (3) a gate metal layer then formed on the gate oxide layer having a scanning line and an extension portion with a L-shaped or an I-shaped. The gate metal intersects with the polysilicon layer thereto define the forgoing gate channels. Among of gate channels, at least one is along the signal line, which is connected to the source region through a source contact.

Abstract: An organic light emitting diodes display device includes a number of data lines, scan lines, and cathode electrodes. These scan lines are perpendicular to the data lines to form a number of pixels, each of which possess a pixel area respectively. All the pixels areas form a pixel area array. These cathode electrodes are parallel to the scan lines or data lines and partially cover the pixel area array. Spaces between each two cathode electrodes are above the scan lines or data lines to avoid the parasitic capacitance between the cathode electrodes and scan lines or data lines. And thus the resistance capacitance time delay is prevented.

Abstract: A data driver used in a current-driving display device for receiving a digital signal and for outputting a gray-scaled current signal to a data line. The data driver includes a digital-to-analog current converter for transforming the digital signal into an analog current signal, a current-copying/reproducing module, and a control circuit. The current-copying/reproducing module is used to store a predetermined voltage for conducting the analog current signal in a transforming/storing status and to conduct a reproducing current signal to the data line in a reproducing/sustaining status. The control circuit is electrically connected between the digital-to-analog current converter and the current-copying/reproducing module for providing a switch between the transforming/storing status and the reproducing/sustaining status. The reproducing current signal is the gray-scaled current signal and is almost equivalent to the analog current signal.

Abstract: An integrated data driver used in a current-driving display device includes a digital-to-analog current converter for transforming a digital signal into an analog current signal, and a plurality of sets of data driving circuits for driving a plurality of corresponding data lines. Each set of data driving circuits includes a current-copying/reproducing module and a control circuit. The current-copying/reproducing module is used to store a predetermined voltage for conducting the analog current signal in a transforming/storing status and to conduct a reproducing current signal, which is generated by the predetermined voltage, to the corresponding data line in a reproducing/sustaining status. The control circuit is electrically connected between the digital-to-analog current converter and the current-copying/reproducing module for providing a switch between the transforming/storing status and the reproducing/sustaining status.

Abstract: A method for driving data with a data driver in a display device. The data driver includes an input module, a plurality of latches, a plurality of shift registers, and a digital-to-analog converter (DAC). The method includes utilizing the input module to receive an N-bit digital data set that is classified into m groups, wherein m and n are integers with values either equal to or greater than two. The method further includes utilizing the shift registers to output a plurality of switch signals so as to store the m groups of digital data into the latches in sequence, transmitting the m groups of digital data into the DAC in sequence according to the switch signals, transforming the m groups of digital data into a corresponding analog voltage signal in sequence, and outputting the analog voltage signal to a data line in sequence for pre-charging and driving the data line.

Abstract: A current-steering/reproducing digital-to-analog current converting circuit includes a digital-to-analog current converter for converting a digital signal into analog current signal, a current-storing/reproducing module, and a control circuit. The current-storing/reproducing module is used to store a predetermined voltage for conducting the analog current signal in a transforming/storing status and to conduct a reproducing current to a data line in a reproducing/sustaining status. The control circuit is electrically connected between the digital-to-analog current converting device and the current-storing/reproducing module for providing a switch between the transforming/storing status and the reproducing/sustaining status.

Abstract: The present invention provides a pre-charging display apparatus. By adding a set of the pre-charging switch resistors, a pre-charging control transistor, and a pre-charging control signal, and because the pre-charging control transistor is OFF when the set of the pre-charging switch transistors are set to ON by the pre-charging control signal, the common capacitor on the common line of the matrix panel (or the inverse electrode of the color filter panel) according to the present invention can transmit its stored charges to data lines to pre-charge the data lines. Therefore, the present invention can improve the charging condition inside the pixels.

Abstract: A D/A converter applied in current-driven type source driver circuits for producing the data current with different gray levels is disclosed. The D/A converter comprise the following components. A column decoder is applied to transform input digital control signals (Dx) to column selecting signals (Cj). A row decoder is applied to transform the digital control signals (Dx) to row selecting signals (Ri). A unit cell array has current cells arranged in array form. Each current cell has a local current source and a local decoder, the local current source is chosen from at least three ones of different current intensity, and the local decoder can decode the column selecting signals and the row selecting signals for deciding to switch on or off the local current source thereof. The output currents of all the current cells switched on are summed up to produce the data current with a selected gray level.

Abstract: A method for reducing power consumption of an LCD panel in a standby mode. The LCD panel includes a plurality of pixel drivers and a plurality of data drivers. Each pixel driver has a liquid crystal capacitor, a storage capacitor, a selection circuit, and four switches. Each data driver has a shift register, a comparator, and several switches. The method includes transmitting data from a signal line to the comparator and comparing the data with a reference voltage, then transmitting a corresponding control signal outputted from the comparator to the selection circuit via the data line, the selection circuit outputting a corresponding display signal to the liquid crystal capacitor according to the control signal.

Abstract: A method for reducing power consumption of an LCD panel in a standby mode. The LCD panel includes a plurality of pixel drivers each having a liquid crystal capacitor, a storage capacitor, four switches, a comparator, and a selection circuit. The method includes turning off the first switch and the third switch and turning on the second and the fourth switch so as to use the comparator to compare the voltage of the storage capacitor with a reference voltage; and generating a control signal to the selection circuit according to an output of the comparator so that the selection circuit can output a corresponding display signal to the liquid crystal capacitor according to the control signal.

Abstract: A structure and a method for reducing source line resistance of a light emitting diode. A light emitting diode display has at least a light emitting diode, a power source and a power source line structure for guiding the power source to provide the required power for driving the light emitting diode. The structure for reducing the source line resistance has an insulation layer formed on at least a part of the source line structure. The insulation layer has at least two openings exposing the source line structure. A conductive layer is formed to cover the insulation layer and is in electrical contact with the source line structure through the openings. Thereby, the conductive layer and the source line are connected in parallel, and the resistance of the source line is thus reduced.

Abstract: A D/A converter applied in current-driven type source driver circuits for producing the data current with different gray levels is disclosed. The D/A converter comprise the following components. A column decoder is applied to transform input digital control signals (Dx) to column selecting signals (Cj). A row decoder is applied to transform the digital control signals (Dx) to row selecting signals (Ri). A unit cell array has current cells arranged in array form. Each current cell has a local current source and a local decoder, the local current source is chosen from at least three ones of different current intensity, and the local decoder can decode the column selecting signals and the row selecting signals for deciding to switch on or off the local current source thereof. The output currents of all the current cells switched on are summed up to produce the data current with a selected gray level.

Abstract: A shift-register circuit. The input circuit receives the input pulse and outputs a high-voltage level input signal when the input pulse is at high voltage level.

Abstract: A level-shifting circuit. The first PMOS transistor includes a first gate, a first drain, and a first source coupled to a first voltage VDD. The second PMOS transistor includes a second gate coupled to the first drain, a second drain coupled to the first gate, and a second source coupled to the first voltage VDD. The first inverse logic gate includes an output terminal and is coupled to the first drain. The second inverse logic gate includes an inverse output terminal and coupled to the second drain. The first NMOS transistor includes a third gate coupled to the first voltage VDD, a third drain coupled to the first drain, and a third source coupled to an inverse input terminal. The second NMOS transistor includes a fourth gate coupled to the first voltage VDD, a fourth drain coupled to the second drain, and a fourth source coupled to an input terminal.

Abstract: The present invention provides a pre-charging display apparatus. By adding a set of the pre-charging switch resistors, a pre-charging control transistor, and a pre-charging control signal, and because the pre-charging control transistor is OFF when the set of the pre-charging switch transistors are set to ON by the pre-charging control signal, the common capacitor on the common line of the matrix panel (or the inverse electrode of the color filter panel) according to the present invention can transmit its stored charges to data lines to pre-charge the data lines. Therefore, the present invention can improve the charging condition inside the pixels.