Au Optronics Corporation

Auo Corporation

Ya-Fang Chen

Chih-Hsiang Yang

Hung-Chi Wang

Ming-Hung Tu

Chung-Hsien Hsu

Chih-Hao Hung

Hung-Min Shih

Chung-Kuang Tsai

Li-Ru Lyu

Shu-Hao Chang

Jeng-Lin Cai

Chi-Yu Geng

Yung-Zhi Wu

Pei-Fen Lai

Sheng-Yao Huang

Chen-Yu Lin

Kai-Yi Lu

The present disclosure provides a display device, including first to fourth LEDs, a line structure, and first to fourth lines. The second LED is arranged in a first direction corresponding to the first LED. The fourth LED is arranged in a second direction corresponding to the third LED. The line structure includes first to third line segments. The first line is coupled to the first LED. The second line is coupled to the second LED. The third line is coupled to the third LED. The fourth line is coupled to the fourth LED. A portion of the first line and a portion of the second line are in parallel with the first line segment, a portion of the third line is in parallel with the second line segment, and a portion of the fourth line is in parallel with the third line segment.

Display device

An arcuate display device includes a plurality of display units each having has a plurality of pixels, a virtual axis, and a plurality of driving devices. Each pixel includes first, second, and third light-emitting elements respectively disposed at first, second, and third positions. The driving devices corresponding to the display units having the same minimum distance from the virtual axis have the same circuit layout design. The first, second, and third positions are sequentially arranged in a direction away from the virtual axis. Optical properties of the first light-emitting elements and the third light-emitting elements in at least a part of the pixels disposed at a first side of the virtual axis are respectively substantially the same as optical properties of the third light-emitting elements and the first light-emitting elements in at least a part of the pixels disposed at a second side of the virtual axis.

Arcuate display device

A driving device comprises a first complementary metal-oxygen-semiconductor circuit and a first comparator. The first complementary metal-oxygen-semiconductor circuit is configured for outputting a power signal or a pull-down signal according to the first input signal. The first comparator comprises a first non-inverting input terminal and a first inverting input terminal. The first non-inverting input terminal is coupled to the first complementary metal-oxygen-semiconductor circuit, and is configured to receive the power signal or the pull-down signal. The first inverting input terminal is configured for receiving a first reference signal, and the first comparator is configured to compare one of the power signal and the pull-down signal and the first reference signal to provide a first driving signal.

Driving device and driving method

Disclosed is a light-emitting diode display module, including a first light-emitting diode, a second light-emitting diode, a third light-emitting diode, a scan block, a voltage conversion block, a first sink block, and a second sink block. An operating voltage of the first light-emitting diode is lower than that of the second and third light-emitting diodes. The voltage conversion block provides an auxiliary power supply voltage based on a high power supply voltage and a low power supply voltage. The first light-emitting diode is coupled between the scan block and the first sink block receiving the high power supply voltage and the auxiliary power supply voltage. The second light-emitting diode and the third light-emitting diode are coupled between the scan block and the second sink block receiving the high power supply voltage and the low power supply voltage.

Light-emitting diode display module

The present disclosure provides a driving circuit, including a transistor and a level shifter. The first terminal of the transistor is electrically connected to a light emitting diode and is configured to receive a supply voltage. The second terminal of the transistor is configured to receive a first reference voltage. The level shifter is configured to receive an input signal from a previous-stage driving circuit and adjust the voltage level of the input signal according to a voltage operating range formed by the supply voltage and the first reference voltage to generate a level-shifted signal corresponding to the voltage operating range and configured to control the transistor. The input signal varies between a second reference voltage and the supply voltage. The second reference voltage and the first reference voltage are different from each other and both lower than the supply voltage.

Driving circuit having a level shifter receiving an input signal from previous-stage

A driving circuit for a display panel and including a receiving interface, a timing controller, a pulse width modulation controller and a line latch is disclosed. The receiving interface is configured to receive a first input signal, a second input signal and a link signal to generate a plurality of display data accordingly, wherein the first input signal and the second input signal are a pair of differential signals. The timing controller is configured to interpret the first input signal, the second input signal and the link signal to generate a trigger signal. The pulse width modulation controller is configured to perform pulse width modulation to generate a first output signal and a second output signal. The line latch is configured to hold the first and second output signals, and output the first and second output signals according to the trigger signal to drive the display panel.

Driving circuit and related driving method

A display device and a display method are provided. The display device includes a board, a sensing circuit, and a feedback control circuit. The board includes a display array formed by a plurality of pixels. The sensing circuit includes a test pixel and a light sensor. The light sensor receives light emitted by the test pixel to generate a corresponding sensing signal. The feedback control circuit receives the sensing signal and generates a pulse width adjusting signal to adjust a pulse width at which the pixels are operated for display.

Display device and display method

A display driving circuit, suitable for a display device, includes multiple data circuits and multiple reading circuits. Each data circuit is configured to provide multiple data signals to corresponding ones of data lines of the display device. Each reading circuit is configured to compare multiple sensing signals on corresponding ones of sensing lines of the display device to generate a sensing result, and is configured generate multiple coupling signals according to the multiple data signals of a corresponding one of the multiple data circuits, respectively. The reading circuit is further configured to provide the multiple coupling signals to the corresponding ones of the multiple sensing lines. When the multiple data signals have one or more rising edges, the multiple coupling signals have one or more positive pulses. When the multiple data signals have one or more falling edges, the multiple coupling signals have one or more negative pulses.

Display driving circuit and display device having the same

A driving apparatus and a driving signal generating method are provided. The driving apparatus includes a timing controller, a driver, a switch and a resistor. The timing controller generates a bi-direction lock signal. The driver receives a differential signal pair. The switch is turned on or cut off according to an eye diagram detection result of the differential signal pair. According to the bi-direction lock signal, the timing controller and the driver are used to: operate a first clock and data recovery (CDR) operation on the differential signal pair during a first time period; set setting parameters of an output differential voltage, a pre-emphasis circuit and an equalizer according to the eye diagram detection result and an on/off state of the switch, and perform a second CDR operation during a second time period; and drive a display according to the differential signal pair during a third time period.

Driving apparatus and driving signal generating method thereof

A method of dynamic frame presentation improvement for liquid crystal display is disclosed. The method comprises the step of providing a gray level mapping table, which maps the signal gray levels from 0 to N into mapped gray levels from 1 to N&#x2212;1 level. Thereafter, the mapped data is fed into over-voltage compensation circuit. The over-voltage compensation circuit then implements process of the gray level ascending or gray level descending while the previous frame turns into current frame with a varied gray level.

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Hsin-Chu, Taiwan

Ya-Fang Chen