Patent classifications
G09G2300/0847
Driving method, display panel and driving circuit
The present application discloses a driving method, a display panel and a driving circuit. The driving method includes a step of outputting a gate driving signal to a corresponding gate line. A signal period of a common level signal of a common line includes a first time and a second time, the first time corresponds to a first common level, and the second time corresponds to a second common level; a voltage value of the first common level is less than that of the second common level; for a common line corresponding to the N.sup.th gate line, a start moment of the first time is no later than an open moment of the corresponding N.sup.th gate line, and a start moment of the second time is no earlier than a close moment of the (N+1).sup.th gate line.
Display screen, display device, display circuit and brightness compensation method therefor
A display screen, a display device, a display circuit used for the display screen and a brightness compensation method therefor. The display screen (10) includes a normal display area (11) and a transparent display area (12). The display circuit (20) includes: a first pixel circuit (21), wherein the first pixel circuit is arranged at the normal display area; and a second pixel circuit (22), wherein the second pixel circuit is arranged at the transparent display area. The structure of the first pixel circuit is different from that of the second pixel circuit, so that the light transmittance of the transparent display area is higher than the light transmittance of the normal display area.
ORGANIC LIGHT-EMITTING DIODE DISPLAY
An organic light-emitting diode (OLED) display is disclosed. In one aspect, the OLED display includes a data line disposed on a substrate and extended in a first direction, a power line disposed on the substrate and extended in the first direction, a scan signal line disposed on the substrate across the data line, an active layer formed over the substrate, wherein the active layer includes first to fourth regions, wherein the first and fourth regions are connected to each other through a connecting region, a first transistor including the active layer formed between the first region and the second region, a second transistor including the active layer formed between the third region and the fourth region, and wherein the active layer is extended from the first region, the organic light emitting diode is electrically coupled to the first transistor, and a storage capacitor including a first electrode and a second electrode formed over the first electrode, wherein the second electrode overlaps with at least of an area of the first electrode. The second electrode is extended to the connecting region and disposed between the active layer and a line extended in the first direction in the connecting area.
PIXEL CIRCUIT, DRIVING METHOD THEREOF, AND DISPLAY APPARATUS
The present disclosure relates to a pixel circuit. The pixel circuit may include at least one light emitting circuit. One of the at least one light emitting circuit may include an input sub-circuit, a latch sub-circuit, and an output sub-circuit. The input sub-circuit may be configured to transmit a signal at a data voltage terminal to the latch sub-circuit. The latch sub-circuit may be configured to generate a control signal in accordance with the signal at the data voltage terminal and store the control signal. The output sub-circuit may be configured to transmit one of a signal at a first voltage terminal and a signal at a second voltage terminal to a light emitting unit under control of the control signal.
Organic light-emitting diode display
An organic light-emitting diode (OLED) display is disclosed. In one aspect, the OLED display includes a data line disposed on a substrate and extended in a first direction, a power line disposed on the substrate and extended in the first direction, a scan signal line disposed on the substrate across the data line, an active layer formed over the substrate, wherein the active layer includes first to fourth regions, wherein the first and fourth regions are connected to each other through a connecting region, a first transistor including the active layer formed between the first region and the second region, a second transistor including the active layer formed between the third region and the fourth region, and wherein the active layer is extended from the first region, the organic light emitting diode is electrically coupled to the first transistor, and a storage capacitor including a first electrode and a second electrode formed over the first electrode, wherein the second electrode overlaps with at least of an area of the first electrode. The second electrode is extended to the connecting region and disposed between the active layer and a line extended in the first direction in the connecting area.
Pixel circuit and driving method thereof and display apparatus
A pixel circuit, includes: a driving signal generating sub-circuit configured to generate and output an initial driving signal; a voltage boost sub-circuit electrically connected to the driving signal generating sub-circuit, and configured to receive the initial driving signal, amplify the initial driving signal to generate a target driving signal, and output the target driving signal; and a light-emitting sub-circuit electrically connected to the voltage boost sub-circuit, and configured to receive the target driving signal and be driven by the target driving signal to emit light.
SYSTEM AND METHOD FOR MODULATING AN ARRAY OF EMISSIVE ELEMENTS
A backplane operative to drive an array of emissive pixel elements forming a part of an automotive head lamp assembly is disclosed. Each pixel element comprises a memory cell operative to pulse width modulate a current mirror pixel drive circuit configured to drive an emissive element. The array of emissive pixel elements is divided into a plurality of interdigitated rows or columns serviced by independent row drivers or independent column drivers that may be driven by data selected to randomize the order in which the data on adjacent pixels of the same row are written, thereby effectively substantially reducing the visibility of any residual structures that may be present in the data driving the pixels of adjacent columns.
Organic light-emitting diode display
An organic light-emitting diode (OLED) display is disclosed. In one aspect, the OLED display includes a data line disposed on a substrate and extended in a first direction, a power line disposed on the substrate and extended in the first direction, a scan signal line disposed on the substrate across the data line, an active layer formed over the substrate, wherein the active layer includes first to fourth regions, wherein the first and fourth regions are connected to each other through a connecting region, a first transistor including the active layer formed between the first region and the second region, a second transistor including the active layer formed between the third region and the fourth region, and wherein the active layer is extended from the first region, the organic light emitting diode is electrically coupled to the first transistor, and a storage capacitor including a first electrode and a second electrode formed over the first electrode, wherein the second electrode overlaps with at least of an area of the first electrode. The second electrode is extended to the connecting region and disposed between the active layer and a line extended in the first direction in the connecting area.
Liquid crystal display device
To suppress a malfunction of a circuit due to deterioration in a transistor. In a transistor which continuously outputs signals having certain levels (e.g., L-level signals) in a pixel or a circuit, the direction of current flowing through the transistor is changed (inverted). That is, by changing the level of voltage applied to a first terminal and a second terminal (terminals serving as a source and a drain) every given period, the source and the drain are switched every given period. Specifically, in a portion which successively outputs signals having certain levels (e.g., L-level signals) in a circuit including a transistor, L-level signals having a plurality of different potentials (L-level signals whose potentials are changed every given period) are used as the signals having certain levels.
GAMMA VOLTAGE COMPENSATION CIRCUIT AND GAMMA VOLTAGE COMPENSATION METHOD, SOURCE DRIVER, AND DISPLAY PANEL
A gamma voltage compensation circuit, a gamma voltage compensation method, a source driver, and a display panel are provided. The gamma voltage compensation circuit includes: a generation circuit, configured to generate a plurality of voltage compensation amounts which are in one-to-one correspondence to a plurality of standard gray scale levels; a calculation circuit, connected to the generation circuit, and configured to acquire the plurality of voltage compensation amounts and a plurality of reference gamma voltages, and to obtain a plurality of standard voltage signals based on the plurality of reference gamma voltages and the plurality of voltage compensation amounts; a gamma circuit, electrically connected to the calculation circuit, and configured to generate a plurality of compensation voltage signals based on the plurality of standard voltage signals, in which the plurality of compensation voltage signals are in one-to-one correspondence to a plurality of gray scale levels of a display panel.