Patent classifications
G09G2310/0245
OLED Display Substrate, Driving Method Thereof, and OLED Display Device
An OLED display substrate, a driving method thereof and an OLED display device. The OLED display substrate includes: a base substrate and a first electrode layer, a light-emitting layer and a second electrode layer disposed on the base substrate, the light-emitting layer being disposed between the first electrode layer and the second electrode layer, the first electrode layer including a driving electrode and a sensing electrode corresponding to the driving electrode, and a mutual capacitance being formed between the driving electrode and the sensing electrode corresponding to the driving electrode. A mutual capacitance is formed between the driving electrode and the sensing electrode corresponding to the driving electrode, so as to integrate a touch technology and an OLED display technology.
DISPLAY SYSTEMS AND METHODS FOR PROVIDING BLACK FRAME INSERTION THEREOF
Methods for providing black frame insertion in a display system are provided, wherein the display system includes a display device, a driving module coupled to the display device and a processor coupled to the driving module. First, a control signal is generated and sent to the driving module by the processor to control the driving module to perform black frame insertion in a black frame insertion period. A control signal is generated by the processor and sent to the driving module to control the driving module to perform the black frame insertion in the black frame insertion period. Inserted image data for use in the black frame insertion is generated by the driving module to be displayed by the display device during the black frame insertion period in response to receiving the control signal.
DISPLAY DEVICE, METHOD FOR DRIVING DISPLAY DEVICE, AND ELECTRONIC DEVICE
A display device according to the present disclosure includes: a pixel array unit (30) in which pixel circuits (20A) are disposed in a matrix form, the pixel circuits each including a light emission unit (21), a write transistor (23) that writes a signal voltage (Vsig) of a video signal, a retention capacitor (24) that retains the signal voltage (Vsig) written by the write transistor (23), a drive transistor (22) that drives the light emission unit (21) on the basis of the signal voltage (Vsig) retained by the retention capacitor (24), and an auxiliary capacitor (25) of which one terminal is connected to a source node of the drive transistor (22); and a control unit (90) that provides a potential change to a source electrode of the drive transistor (22) by coupling through the auxiliary capacitor (25) to set an operation point of the drive transistor (22) as a cut-off region after the threshold value correction process.
ELECTROOPTICAL DEVICE, CONTROL METHOD OF ELECTROOPTICAL DEVICE AND ELECTRONIC DEVICE
An image signal with a magnitude in accordance with a tone to be displayed is supplied to pixels via data lines in a tone display period, and a precharge voltage including a low-potential second voltage and a high-potential second voltage is supplied to the data lines in a precharge period before the tone display period. Control is made such that a first pattern in which the low-potential second voltage and the high-potential second voltage are sequentially output in the precharge period in one horizontal scanning period and a second pattern in which only the high-potential second voltage is output in the precharge period in one horizontal scanning period are switched in accordance with a selected scanning line. Also, control is made such that a supply period of the high-potential second voltage in the second pattern is shorter than a supply period of the high-potential second voltage in the first pattern.
METHOD FOR DETECTING DISPLAY DEVICE
The present disclosure provides a method for detecting a display device. The method includes: sending a first instruction to a display device to enable all display sub-screens of the display device display a first test picture; judging whether all the display sub-screens meet the display standard or not according to a display condition of the first test picture; in response to that at least one display sub-screen does not meet the display standard, performing a first reset operation on the display sub-screen, and enabling the display sub-screen subjected to the first reset operation to display the first test picture again; judging whether the display sub-screen displaying the first test picture again meets the display standard or not; and in response to that the display sub-screen displaying the first test picture again does not meet the display standard, replacing the display sub-screen by using a standby display sub-screen.
INPUT SENSING DEVICE AND DISPLAY DEVICE INCLUDING THE SAME
An input sensing device includes sensor pixels initialized in response to a reset signal provided through a reset line, and output a sensing signal to a read-out line in response to a scan signal provided through a scan line. A controller generates at least one start signal and clock signals. A selector selectively provides the at least one start signal and the clock signals to first control lines or second control lines. A reset driver connected to the first control lines, and supplying reset signals to at least some of the reset lines based on the at least one start signal and the clock signals provided through the first control lines. A scan driver is connected to the second control lines, and supplies scan signals to at least some of the reset lines based on the at least one start signal and the clock signals.
DRIVE METHOD FOR DISPLAY DEVICE AND DISPLAY DEVICE
There is provided a drive method for a display device in which a plurality of pixel circuits are disposed in rows and columns, each of the plurality of pixel circuits including a light emitter that emits light in an amount according to a magnitude of a current supplied, and a drive transistor that supplies a current according to a magnitude of a video signal to the light emitter. The drive method includes applying an initialization voltage across a gate and a source of the drive transistor by an initialization voltage adjustment unit in an initialization period for initializing the drive transistor, the initialization voltage being higher than a threshold voltage of the drive transistor and according to a state of deterioration of the drive transistor.
Organic Light-Emitting Display Panel And Driving Method Thereof, And Organic Light-Emitting Display Device
The present application discloses an organic light-emitting display panel, and a driving method for the display. The organic light-emitting display panel comprises a plurality of pixel driving circuits, each of the pixel driving circuits comprises a first voltage terminal, a second voltage terminal, a scanning signal terminal, a data signal terminal, a first control signal terminal, a second control signal terminal, a potential collecting terminal, a driving module, an organic light-emitting device, a luminance control module, a data write module, and a potential collecting module. The driving module is configured to drive the organic light-emitting device to emit light under control of the control terminal based on voltage provided by the first voltage terminal. The method therefore mitigates a threshold voltage drift in advanced organic light-emitting display panel technology.
Organic Light Emitting Display Panel, Driving Method Thereof And Organic Light Emitting Display Apparatus
The present disclosure discloses an organic light emitting display panel, a driving method thereof, and an organic light emitting display apparatus. The organic light emitting display panel includes a plurality of pixel driving circuits, the pixel driving circuit comprising: a driving module including a driving transistor and a first capacitor; an initialization module for writing signals of a first initialization signal terminal and a second initialization signal terminal respectively to a gate and a first electrode of the driving transistor; a data writing module; a light emitting control module including a first transistor, a gate, a first electrode and a second electrode of the first transistor respectively connecting to a light emitting signal terminal, a second electrode plate of the first capacitor and the gate of the driving transistor; an organic light emitting diode, a cathode of the organic light emitting diode connecting to a second voltage terminal.
Organic Light Emitting Display Panel And Pixel Compensation Method
The present disclosure discloses an organic light emitting display panel and a pixel compensation method. The organic light emitting display panel includes: a pixel array including pixel regions divided into M rows and N columns; a plurality of pixel driving circuits, each of the pixel driving circuits includes a light emitting diode and a driving transistor for driving the light emitting diode, and each of the light emitting diodes is located in the pixel regions; and a plurality of pixel compensation circuits configured to sample an anode voltage of the light emitting diode are in at least one of the pixel driving circuits. A light emitting current flows through the light emitting diode, and generates a compensation signal based on the anode voltage and the light emitting current.