A display system includes an LED array and a driving device. The driving device includes a current driver, a scan selector and a capacitor. The current driver is connected to drive lines of the LED array, and provides a plurality of driving current signals respectively to the drive lines. The scan selector is connected to scan lines of the LED array, and has a first terminal that is configured to receive an input voltage, and a second terminal. The scan selector outputs the input voltage to a selected one of the scan lines, and outputs a clamp voltage provided at the second terminal thereof to the other ones of the scan lines. The capacitor has a first terminal, and a second terminal that is connected to the second terminal of the scan selector.

The invention describes a passive matrix single-color LED display assembly comprising a matrix of row conductor lines and column conductor lines; an array of direct-emitting LED packages, wherein the anode of each LED package is electrically connected to one of the row conductor lines and the cathode of that LED package is connected to one of the column conductor lines; and a driver configured to apply a bias voltage to a row conductor line and to apply a bias voltage to a column conductor line according to an image to be displayed.

A LED driving apparatus with clock embedded cascaded LED drivers is introduced, including: a plurality of LED drivers, wherein the first stage LED driver receives an original data signal and outputs a first data signal, the Nth stage LED driver receives a (N−1)th data signal and outputs a Nth data signal. The Nth stage LED driver includes a clock data recovery circuit generating a recovery clock signal and a recovery data signal according to the (N−1)th data signal; and a first transmitter outputting the Nth data signal according to the recovery clock signal and the recovery data signal.

A driving method is to be implemented by a driver module, is adapted to drive a scan-type display, and includes steps of: receiving an image stream and a synchronization control (SC) signal from a control module; generating a drive output based on the SC signal, the image stream and a clock signal to drive the display such that the display emits light in a line scan manner; and generating an image refresh signal based on the SC signal and the drive output. The image refresh signal is related to refreshing of images on the display.

A display system includes an LED array and a driving device. The driving device includes a current driver, a scan selector and a capacitor. The current driver is connected to drive lines of the LED array, and provides a plurality of driving current signals respectively to the drive lines. The scan selector is connected to scan lines of the LED array, and has a first terminal that is configured to receive an input voltage, and a second terminal. The scan selector outputs the input voltage to a selected one of the scan lines, and outputs a clamp voltage provided at the second terminal thereof to the other ones of the scan lines. The capacitor has a first terminal, and a second terminal that is connected to the second terminal of the scan selector.

The present description concerns an elementary module (100) of a display device enabling to display at least one pixel of an image, the module comprising: a first assembly of N LEDs (101(i,j)) distributed into M groups (G(i)), at least one of the M groups comprising at least two LEDs, where N and M are integers, with M greater than or equal to 2; and a control circuit comprising M bias circuits (103(i)) respectively associated with the M groups of LEDs, each bias circuit (103(i)) being shared by the LEDs of the corresponding group (G(i)) and being adapted to successively controlling the emission of the LEDs of the group.

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.

A display device includes a non e-paper portion to display a first pattern element and a passive e-paper display portion to display a second pattern element juxtaposed relative to the first pattern element.

A light emitting device includes a light source panel including light emitting units, and a printed circuit board including a light source driving circuit electrically connected to the light source panel. The light source driving circuit receives a feedback voltage from each of the light emitting units, and compares the feedback voltage with a reference voltage to output a current control signal. Each of the light emitting units includes a light emitting diode connected to a first voltage line, a switching element connected with the light emitting diode and operating in response to the current control signal, and a resistor electrically connected between a feedback node and a second voltage line. The resistor includes a conductive pattern having a predetermined width disposed on the light source panel.

Provided is a display substrate, including: a substrate, multiple pixel units disposed on the substrate and at least one micro integrated circuit. Each pixel unit includes multiple sub-pixels, and at least one sub-pixel of the multiple sub-pixels includes a light-emitting element and a pixel drive circuit electrically connected to the light-emitting element. The pixel drive circuit includes at least one thin film transistor. The at least one micro integrated circuit is electrically connected to at least one pixel unit.