Au Optronics Corporation

King Yuan Electronics Co, Ltd.

Kuang-Hsiang Liu

Chien-Chang Tseng

Sheng-Chao Liu

Ling-Ying Chien

Yu-Hsin Ting

Tsang-Hong Wang

Ya-Ting Yang

Ching-Huan Lin

Hsiang-Lin Lin

Chen-Ming Chen

Ting-Jui Chang

Che-Chia Chang

Chia-Yuan Yeh

Shih-Chia Hsu

Chee-Wai Lau

Ming-Tien Lin

Shih-Hsiang Chou

Ting-Hsuan Li

Shih-Chan Chine

His-Hua Chou

Chieh-Wen Lu

Kai-Wei Shiau

A pixel circuit of low power consumption is provided, which includes a first transistor for providing a driving current, a light emitting element, a light emitting control circuit, a reset circuit, a writing circuit, and a storage capacitor. The light emitting control circuit is coupled between the first transistor and the light emitting element, and is for selectively conducting the driving current to the light emitting element. The reset circuit is for providing a first reference voltage to the light emitting element by a first frequency. The storage capacitor is coupled between the writing circuit and the first transistor. The writing circuit is for providing, by a second frequency different from the first frequency, a data voltage and a second reference voltage to the storage capacitor and the first transistor, respectively. The storage capacitor is for storing a first voltage for compensating a threshold voltage of the first transistor.

Pixel circuit and display of low power consumption

An electronic device includes an active area and multiple shift registers. The active area comprises multiple pixel circuits. Each of the multiple shift registers is configured to output a first control signal, a second control signal, and a third control signal to a part of pixel circuits of the multiple pixel circuits. A duty ratio of the third control signal is greater than a duty ratio of the second control signal, and the duty ratio of the second control signal is greater than a duty ratio of the first control signal. A part of the multiple shift registers and other part of the multiple shift registers are substantially symmetrically disposed at two sides of the active area, respectively.

Shift register and electronic device having the same

A titration module of biochip includes a base, a plurality of titration units, a plurality of pipelines, a transfer unit, and a control unit. The plural titration units and the plural pipelines are arranged above the base, and that the titration units each is provided, at its lower end, a needle element and a reservoir which are communicated with each other. The transfer unit is arranged on the base, and includes at least one driving device for driving, selectively, the plural titration units and the plural pipelines in a lateral direction (leftward and rightward), a longitudinal direction (frontward and rearward) and a vertical direction (upward and downward), respectively. The control unit is electrically connected with the transfer unit, and controls the same for switching, selectively, the plural titration units and the plural pipelines.

Titration module of biochip and tiration test apparatus thereof

A gate driving circuit includes a shift register circuit and an auxiliary circuit which are disposed at different sides of a pixel array. The shift register circuit includes an (N&#x2212;1)th shift register stage for generating an (N&#x2212;1)th gate signal according to a first clock, an Nth shift register stage for generating an Nth gate signal according to a second clock, and an (N+1)th shift register stage for generating an (N+1)th gate signal according to a third clock. The auxiliary circuit includes a first transistor. The first transistor performs the signal voltage stabilization and level switching acceleration operations on the Nth gate signal according to the (N&#x2212;1)th gate signal and the second clock.

Gate driving circuit with an auxiliary circuit for stabilizing gate signals

A shift register circuit and a shading waveform generating method are disclosed. The shift register circuit includes plural stages of shift registers. Each stage of the shift register includes an output transistor, an input unit and a gate-shading circuit. The output transistor is configured for generating an output signal of the stage of the shift register. The input unit is configured for controlling a voltage level on a gate terminal of the output transistor. The gate-shading circuit includes a first switch, a second switch and a third switch. The first switch is configured for outputting a control signal. The second switch is configured for pulling down the voltage level on the gate terminal of the output transistor according to the control signal. The third switch is configured for pulling down a level on an output terminal of the output transistor according to the control signal.

Shift register circuit and shading waveform generating method

A driving method is applied to a driving switch having a first terminal, a second terminal coupled to a first light emitting diode (LED), and a control terminal. First, supply a reset voltage to the control terminal. When the second terminal electrically connects with the control terminal and the first terminal receives a precompensation voltage, the difference between the voltage at the control terminal and the preset voltage is equal to the threshold voltage of the driving switch. When the second terminal electrically connects with the control terminal and the first terminal receives a data voltage, the difference between the voltage at the control terminal and the data voltage is equal to the threshold voltage of the driving switch. When the first terminal receives a power voltage, a driving current is generated according to the voltage at the control terminal and the power voltage to drive the LED.

Driving method of light emitting diodes

An organic light-emitting diode display panel is disclosed herein. The organic light-emitting diode display panel includes display units. Each of display units includes an organic light-emitting element, a light-driving circuit and stages of shift register connected in series. The light-driving circuit drives the organic light-emitting element according to a light-emitting control signal. Each of the stages of the shift register includes a shift register circuit and a control signal output circuit. The shift register circuit generates a current stage shift signal according to a previous stage shift signal and a first clock signal. The control signal output circuit outputs the light-emitting control signal according to the current stage shift signal and a previous stage carry signal. The enabling period of the light-emitting control signal is determined by the time period between the enabling period of the current stage shift signal and the previous stage carry signal.

Organic light-emitting diode display panel

A shift register circuit for driving an OLED display panel is provided. The shift register circuit includes a plurality of circuit stages connected in series. Each circuit stage includes two shift registers and an enable-signal generator circuit. Each shift register includes two transistors, an input unit and a disable unit. The enable-signal generator circuit is configured to generate an enable signal according to the signals at the control terminals of the four transistors in the two shift registers.

Shift register circuit

An Nshift register unit includes an input circuit, a voltage regulator, and an output circuit. The input circuit is disposed to control a voltage at a control node of the Nshift register unit according to a first scan signal of an (N&#x2212;K)shift register unit or a second scan signal of an (N+K)shift register unit. The voltage regulator includes a first coupling element coupled to a first clock, a first switch disposed to receive the voltage at the control node and generate a reverse bias for reducing current leakage, and a switch control unit disposed to control the first switch according to the first clock. The output circuit is disposed to output a third scan signal.

Shift register circuit and driving method thereof

An electrostatic discharge protection circuit and a display apparatus are provided. The electrostatic discharge protection circuit adapted to the display apparatus having a display panel which has a signal line and a common voltage line. The electrostatic discharge protection circuit includes a first switching unit and a second switching unit. The first switching unit is electrically coupled to the signal line. The second switching unit is electronically coupled between the first switching unit and the common voltage line. When the display apparatus is shut down, the first switching unit and the second switching unit form a conductive path. When the display apparatus is turned on, the first switching unit receives a first control signal, and the second switching unit receives a second control signal, so that at least one of the first switching unit and the second switching unit is turned off at the same time.

Electrostatic discharge protection circuit and display apparatus using the same

Gate driving circuit with an auxiliary circuit for stablizing gate signals

A gate driver for driving a TFT-LCD panel includes a number of gate-driver circuits arranged in groups and stages. Each gate-driver circuit has a main driver and an output section. The main driver is used to provide a charging signal to the output section which has two or more output circuits. Each of the output circuits is configured to provide a gate-line signal in response to the charging signal and a clock signal. The gate-driver circuit uses fewer switching elements, such as thin-film transistors, than the conventional circuit. When the gate driver is integrated in a TFT-LCD display panel and disposed within the periphery area around the display area, it is desirable to reduce or minimize the number of switching elements in the gate driver so that the periphery area can be reduced.

Gate driver stage outputting multiple, partially overlapping gate-line signals to a liquid crystal display

A shift register circuit includes a first shift register string and a second shift register string. The first shift register string is configured to receive a first start signal and output a first-stage control signal. The second shift register string, electrically connected to the first shift register string, is configured to receive the first-stage control signal and a second start signal and output the first pulse of a first-stage scan signal according to the first-stage control signal and the second start signal and consequently output the second pulse of the first-stage scan signal according to the second start signal; wherein the first and second pulses are configured to have different pulse widths. A driving method of a shift register circuit is also provided.

A gate driver includes cascade-connected driving stages. Each of the driving stages includes a first shift register circuit and a second shift register circuit. The first shift register circuit is configured for outputting a present stage driving signal and a next stage driving signal. The second shift register circuit is electrically coupled to the first shift register circuit and configured for outputting a present stage gate signal, a first next stage gate signal, and a second next stage gate signal. Furthermore, a display panel is also provided herein.

Display panel and gate driver therein

A bidirectional shift register includes a first register circuit and a second register circuit. The first register circuit includes a first register stage and a first output buffer stage with n numbers of scanning signal output ends. The first register stage is electrically coupled to a third voltage source. The first output buffer stage is electrically coupled to a second voltage source and a first voltage source. The second register circuit has a similar circuit structure to the first register circuit; wherein the first register circuit and the second register circuit each use n+1 numbers clock signal lines, and the n is a positive integer.

Growing community of inventors

Hsin-Chu, Taiwan

Kuang-Hsiang Liu