Au Optronics Corporation

Auo Corporation

National Cheng-kung University

Au Optronics (kunshan) Co., Ltd.

Auo (kunshan) Co., Ltd.

Chun-Da Tu

Kai-Wei Hong

Chuang-Cheng Yang

Yung-Chih Chen

Ming-Hsien Lee

Yi-Cheng Lin

Chun-Feng Lin

Chih-Lung Lin

Cheng-Han Huang

Chih-Wei Tai

Cheng-Kuang Wang

Xin Liu

Fu Liang Lin

Hsiang-Sheng Chang

Wei-Hsuan Chang

Fu-Hsing Chen

Tsi-Hsuan Hsu

Kuan-Wen Chou

Yuan-Wei Du

Li-xiao Kong

Manman Li

Yuan-Yuan Ma

Cheng Yu Chen

Yan Qu

Jing Li

The invention provides a display panel, comprising: a substrate having a peripheral area and a display area adjacent to each other, the display area provided with a plurality of pixel units; a gate driving unit provided in the peripheral area; a connection unit provided between the gate driving unit and the display area, and electrically connected to the gate driving unit and the plurality of pixel unit; and a shielding unit provided on the connection unit; wherein a projection area of the connection unit on the substrate corresponds to a projection area of the shielding unit on the substrate, and the shielding unit is electrically connected to a fixed potential.

Display panel

The invention provides a display panel and a method for detecting the same, a display device and a storage medium. The display panel comprises a substrate having a display area; a plurality of pixel units disposed in the display area; a plurality of signal lines electrically connected to the plurality of pixel units to transmit driving signals to the plurality of pixel units; a charge coupling unit corresponding to at least a part of the plurality of signal lines for coupling the driving signals into potential signal; and a voltage detection unit electrically connected to the charge coupling unit for receiving the potential signal and determining the driving signals.

Display panel and method for detecting the same

The invention provides a touch display panel and a manufacturing method therefor. The touch display panel comprises a substrate; a display region disposed on the substrate; an opening region disposed on the substrate and adjacent to the display region; a plurality of touch electrodes disposed in the display region; a plurality of signal lines electrically connected to the touch electrodes; a common voltage loop surrounding the display region and having a first portion and a second portion spaced apart and adjacent to the opening region; a connection structure disposed between the first portion and the second portion; and a plurality of first dummy signal lines electrically connected to the connection structure; wherein the first portion is electrically connected to the second portion through the connection structure.

Touch display panel and manufacturing method therefor

The present invention of the embodiment provides a drive circuit, comprising a first group of drive circuits and a second group of drive circuits each having multiple stages of gate drive circuits connected in series, each stage of the gate drive circuits comprising a shift register outputting a first gate drive signal and a touch voltage stabilizing unit coupled to the shift register, the touch voltage stabilizing unit comprising a reference end electrically connected to a reference potential of the shift register, a first voltage stabilizing end electrically connected to the first gate drive signal, a second voltage stabilizing end outputting a second gate drive signal and a signal end electrically connected to a control signal, wherein the control signal disables the touch voltage stabilizing unit during a display period, and the control signal enables the touch voltage stabilizing unit during a touch period.

Drive circuit and touch gate drive circuit

The present embodiment of the invention provides a gate driving circuit and a display apparatus using the gate driving circuit. The gate driving circuit has a plurality of shift registers, and each shift register includes a first output unit, a first pull-down unit, a second output unit, a second pull-down unit, a voltage coupling unit, and a voltage boosting unit. The first output unit is coupled to a node and a first output end. The second output unit is coupled to the node and a second output end. The first pull-down unit is coupled to the first output end and a reference potential. The second pull-down unit is coupled to the second output end and the reference potential. The voltage coupling unit is coupled between the node and the second output end. The voltage boosting unit is coupled to a preset potential, the first output end, and a node and a gate high potential of a shift register at a previous stage.

Gate driving circuit and display apparatus using the same

A shift register and a touch display apparatus thereof are provided. The shift register includes a voltage setting unit, a driving unit, a control unit, a discharge unit, a first compensation transistor, and a second compensation transistor. The voltage setting unit sets a terminal voltage of an internal terminal. The driving unit is coupled to the internal terminal to provide a gate signal and a driving signal. The control unit receives the terminal voltage to provide a control signal. The discharge unit discharges the terminal voltage and the gate signal according to the control signal. The first compensation transistor and the second compensation transistor are coupled in series between a touch enable signal and the internal terminal, and control terminals of the first compensation transistor and the second compensation transistor receive the terminal voltage and the touch enable signal, respectively.

Shift register and touch display apparatus thereof

A multiplexer applied to a display device includes: a plurality of switching units, electrically coupled to a data driver and a plurality of pixel units, where the switching units are adapted to receive a plurality of input display data signals output by the data driver, and the switching units output a plurality of output display data signals to the electrically coupled pixel units, where each of the switching units includes a plurality of switch units, configuration locations of the switch units in each of the switching units are the same as, and some of the switch units configured at a same configuration location in the different switching units are electrically coupled to different control signal lines and have different wiring lengths, where the wiring lengths are distances between the switch units and the control signal lines.

Multiplexer applied to display device

A display device has a substrate for disposing a display area having an array of pixels, and control circuits having shift registers and latches to provide image data and timing control signals to the pixels. The control circuits have signal lines electrically connected to a connection cable to receive therefrom data signals indicative of the image data and timing pulses indicative of the timing control signals. The connection cable is also configured to provide reference signals to the shift registers and latches in the control circuits. The data signals are digital signals having an amplitude range greater than the amplitude range of the reference signals. No driver IC is disposed on the substrate to process analog signals. Each of the pixels has three sub-pixels and each of the color sub-pixels has three color sub-areas configured to receive timing control signals from a different scan line.

Display device without a driver IC

A display panel including a display region and a non-display region, a plurality of gate lines, a plurality of data lines, a pixel array and a gate on array circuit. The non-display region is located at one side of the display region. The plurality of gate lines and the plurality of data lines are disposed in the display region. The pixel array is located in the display region, wherein the pixel array is composed of a plurality of pixel units that are repeatedly arranged. The pixel units consist of three gate lines, two data lines and six sub-pixels, and each sub-pixel is electrically connected to one of the gate lines and one of the data lines located in the pixel array respectively. The gate on array circuit is disposed in the pixel array.

Provided is a gate driving circuit, coupled to a pixel array having multiple gate lines. The gate driving circuit includes multiple shift registers and multiple pull-up transistor, coupled to the pixel array and separately located on two opposite sides of the pixel array. Shift registers located on a same side are sequentially coupled to each other. An n(n is a positive integer) pull-up transistor includes: a control end, coupled to a control end of a driving transistor of an (n&#x2212;1)shift register located on a same side as the npull-up transistor; a first end, used to receive a clock signal, where the clock signal is further input to an nshift register of the shift registers located on an opposite side of the npull-up transistor; and a second end, coupled to an ngate line of the pixel array and used to drive the ngate line.

Image display panel and gate driving circuit thereof

An anti-interference display panel includes a source driving chip, a switching signal line, a multiplexer, and an anti-interference signal line. The source driving chip is configured to generate a data signal. The switching signal line is configured to transmit a switching signal. The multiplexer is configured to receive the data signal and the switching signal, and is configured to output the data signal according to the switching signal. The anti-interference signal line is configured to transmit an anti-interference signal. An equivalent resistor and an equivalent capacitor are formed on the anti-interference signal line, and resistance of the equivalent resistor is approximate to resistance of a load resistor coupled to the switching signal line, and capacitance of the equivalent capacitor is approximate to capacitance of a load capacitor coupled to the switching signal line. A voltage of the anti-interference signal falls when a voltage of the switching signal rises, and rises when the voltage of the switching signal falls.

Anti-interference display panel and anti-interference signal line

A shift register including a voltage set unit, a driver unit, a control unit, a first transistor, a second transistor, a third transistor and a fourth transistor is provided. The voltage set unit provides a terminal voltage. The driver unit provides a main gate signal according to the terminal voltage and a clock signal. The control unit provides a control signal. The first transistor receives the terminal voltage, a level reference voltage and the control signal. The second transistor is coupled to the first transistor and receives a low voltage and the control signal. The third transistor receives the terminal voltage, a level reference voltage and a gate reference signal. The fourth transistor is coupled to the third transistor and receives the low voltage and the gate reference signal.

Shift register

A touch display apparatus includes a touch driver and a display driver. The touch driver outputs touch signals to drive a touch panel. The display driver outputs scan signals to drive a display panel. A display driver has a plurality of shift registers, and each of the plurality of shift registers includes a pull-up unit, a driving unit, a pull-down unit and a holding unit. The pull-up unit is electrically connected to a driving node for outputting a driving voltage. The driving unit is electrically connected to the driving node for outputting a first scan signal according to a clock. A pull-down unit is electrically connected to the driving node and the output terminal, for pulling down the voltage level of the driving voltage and the first scan signal, respectively. The holding unit is electrically connected to the driving node.

Growing community of inventors

Hsin-Chu, Taiwan

Chun-Da Tu