G09G2310/0208

DISPLAY APPARATUS AND IMAGE DISPLAY APPARATUS INCLUDING SAME

The present disclosure relates to a display apparatus and an image display apparatus including the same. According to an embodiment of the present disclosure, a display apparatus and an image display apparatus including the same include a plurality of light emitting diodes, and a plurality of driving devices to output driving signals for driving the plurality of light emitting diodes, and each of the plurality of driving devices bypasses input common command data and outputs the common command data to an adjacent driving device. Accordingly, a transmission period of data transmitted to the plurality of driving devices can be reduced.

AMOLED pixel driving circuit and pixel driving method

Disclosed are an AMOLED pixel driving circuit and a pixel driving method. The AMOLED pixel driving circuit utilizes the 4T2C structure, and comprises: a first thin film transistor (T1), a second thin film transistor (T2), a third thin film transistor (T3), a fourth thin film transistor (T4), a first capacitor (C1), a second capacitor (C2) and an organic light emitting diode (D1); the nth scan signal (SCAN(n)) and the n+1th scan signal (SCAN(n+1)) are combined with each other, and correspond to a threshold voltage sensing stage, a holding stage, a programming stage and a drive stage one after another. In comparison with the pixel driving circuit of the 5T2C structure, the corresponding thin film transistor is controlled merely with arranging the scan signal. There will be the compensation function, and the amount of the control signals can be decreased, and the circuit structure is simplified and the cost is decreased.

Pixel and display device having the same

A pixel includes first to fourth transistors and a driving transistor. The first transistor is connected between a data line and a first node and has a gate electrode to receive a scan signal. The driving transistor is connected between the first node and a second node and has a gate electrode connected to a third node. The second transistor is connected between the second and third nodes and has a gate electrode to receive the scan signal. The third transistor is connected between first power and the first node and has a gate electrode to receive an emission signal. The fourth transistor is connected between the first and second nodes and has a gate electrode to receive an initialization signal. An organic light emitting diode is connected between the second node and second power. A storage capacitor is connected between the first power and third node.

Unit shift register circuit, shift register circuit, control method for unit shift register circuit, and display device
10276122 · 2019-04-30 · ·

In a forward shift operation, a second input signal having a higher voltage than a voltage of a first input signal is input to a second gate terminal in a case that a first gate terminal of a first transistor is charged, and a fourth input signal having a higher voltage than a voltage of a third input signal is input to a third gate terminal in a case that the first gate terminal of the first transistor is discharged. In a backward shift operation, the fourth input signal having a higher voltage than a voltage of the third input signal is input to the third gate terminal in a case that the first gate terminal of the first transistor is charged, and the second input signal having a higher voltage than a voltage of the first input signal is input to the second gate terminal in a case that the first gate terminal of the first transistor is discharged.

DISPLAY DEVICE AND METHOD FOR DRIVING SAME
20240233633 · 2024-07-11 ·

The present application discloses a current-driven display device employing an internal compensation method capable of achieving high-resolution of the display image while suppressing a reduction in the yield of manufacturing, the deterioration in display quality, an increase in the circuit amount. In a pixel circuit of an organic EL display device, a voltage of the gate terminal of a drive transistor is initialized before the voltage of a data signal line is written into a holding capacitor via the drive transistor in a diode-connected state. At this time, a current flows from the holding capacitor connected to the gate terminal of the drive transistor to an initialization voltage line via a threshold compensation transistor, a second light emission control transistor, and a display element initialization transistor, and the voltage Vg of the gate terminal is initialized. Thus, an initialization transistor provided between the gate terminal and the initialization voltage line in the related art comes to be unnecessary.

PIXEL CIRCUIT OF DISPLAY APPARATUS
20240257735 · 2024-08-01 · ·

A pixel circuit of a display apparatus includes a driving transistor including a gate electrode coupled with a gate node, a drain electrode coupled with a high level pixel power source, and a source electrode coupled with a source node; a light emitting device coupled with the source node and coupled with a low level pixel power source; a first transistor turned on based on a first scan signal; a second transistor turned on based on a second scan signal; a first capacitor coupled between the gate node and the source node; a second capacitor coupled with the source node at one electrode thereof; a third transistor turned on based on a third scan signal to couple the gate node with the other electrode of the second capacitor; and a fourth transistor turned on based on a fourth scan signal to apply a data voltage to the gate node.

GOA driver circuit and liquid crystal display

The present disclosure proposes a gate driver on array (GOA) driving circuit and a liquid crystal display. The GOA driving circuit includes cascaded GOA units. An Nth stage GOA unit outputs a gate driving signal to an Nth scan line on a display area. The Nth stage GOA unit includes a pull-up module, a pull-down module, a pull-up controlling module, a pull-down holding module, and a bootstrap capacitance module.

Display device and control method thereof

A display device includes a pixel array, a scan driving unit, a light emitting driving unit and a light emitting switch unit. The scan driving unit is configured to provide a scan signal to the pixel array, the light emitting driving unit is configured to provide a light emitting signal to the pixel array, and the light emitting switch unit is configured to provide a switch signal to the pixel array, wherein the display device performs a progressive displaying when the light emitting driving unit is enabled and performs a simultaneous displaying when the light emitting switch unit is enabled.

Method of scanning display panel and related display driver

A method of scanning a display panel having a plurality of rows of pixels includes steps of: generating a first accumulated number; calculating a first scan number according to the first accumulated number; scanning a present row of pixels having the first scan number among the plurality of rows of pixels; accumulating the first accumulated number to generate a second accumulated number; calculating a second scan number according to the second accumulated number; and scanning a next row of pixels having the second scan number among the plurality of rows of pixels after scanning the present row of pixels. Wherein, the plurality of rows of pixels are scanned in a scan order different from a numbering order of the plurality of rows of pixels.

ELECTRONIC DEVICE WITH ADVANCED IMAGE REFRESHING
20240304160 · 2024-09-12 ·

An electronic device with a plurality of panels is provided. The electronic device also has a plurality of scan line driving circuits that correspond to the panels in order to drive the panels. The electronic device also has a controller that is configured to control the scan line driving circuits. Each panel includes a plurality of scan lines. Prior to image refreshing, the controller controls the scan line driving circuits to reset the panels. The controller performs image refreshing by controlling each scan line driving circuit to scan the scan lines of its corresponding panel in a jumping mode scanning procedure.