Abstract: The present application discloses an organic electroluminescent device that includes a plurality of kinds of light-emitting units having different light-emitting wavelengths, wherein the light-emitting units are organic light-emitting diodes, the organic light-emitting diodes include a plurality of single-colored organic light-emitting diodes and/or a plurality of white-light organic light-emitting diodes provided with optical filters; at least one kind of the organic light-emitting diodes has a microcavity structure; a microcavity optical length Li of the organic light-emitting diode having the microcavity structure and a light-emitting wavelength ?i of the corresponding light-emitting unit meet the following formula: Li=ni?Xi, wherein ni?2, ni is a positive integer, and the ni corresponding to at least one of the plurality of kinds of light-emitting units having different light-emitting wavelengths ?i is larger than or equal to 3; m is the number of the kinds of the light-emitting units, m?i?1, i and m are

Abstract: Embodiments of the present application provide a emission control driving circuit, a emission control driver and an organic light emitting display device. The emission control driving circuit includes a first gate voltage control circuit, a second gate voltage control circuit and an isolation circuit.

Abstract: The present invention discloses a touch control structure of an active-matrix organic light-emitting diode display screen, comprising a transmitting structure and a receiving structure that are mutually inductive, the transmitting structure comprises a first encapsulation film, a first patterned electrode and a second encapsulation film; the receiving structure further comprises a flexible polymer foil sheet and a second patterned electrode formed on the flexible polymer foil sheet, the receiving structure and the transmitting structure are assembled by adhering the surface of the flexible polymer foil sheet having the second patterned electrode formed thereon to the second encapsulation film; wherein, the first encapsulation film comprises multiple layers of films including at least one layer of inorganic film, the second encapsulation film comprises multiple layers of films including at least one layer of inorganic film.

Abstract: The present disclosure relates to an organic electroluminescent device and a preparation method thereof. The organic electroluminescent device includes a hole injection layer including a first doped layer and/or a second doped layer. The first doped layer includes a P-type dopant, and the second doped layer includes a P-type dopant and a hole transport material. The organic electroluminescent device includes a hole transport layer formed on the hole injection layer, and an electron blocking layer formed on the hole transport layer. A difference in HOMO energy level between the electron blocking layer and the hole transport layer is less than or equal to 0.2 eV. The power consumption of the organic electroluminescent device can be reduced. The lifetime of the mass production device therefore can be increased.

Abstract: The present application provides an array substrate and a display device. The array substrate includes a substrate provided with a display region and a non-display region. The display region is configured to display. The non-display region includes a groove region. The groove region has a light transmittance greater than that of the display region. The display device includes the above-described array substrate.

Abstract: A pixel circuit, a pixel, and an AMOLED (Active Matrix Organic Light-Emitting Diode) display device comprising the pixel and a driving method thereof. The pixel circuit comprises a power supply circuit, a basic circuit and a compensation circuit, which are sequentially connected. The power supply circuit is connected to a first power supply to supply power to the basis circuit. The compensation circuit is connected to second and third power supplies, respectively, for providing difference values compensating for a voltage and current of an OLED (Organic Light-Emitting Diode). The pixel comprises an OLED and the pixel circuit. The AMOLED display device comprises the pixel circuit. By compensating for a difference between threshold and power supply voltages of a transistor, the response characteristics of the AMOLED may be improved to generate light of a same brightness, thereby meeting requirements on image uniformity and consistency of an AMOLED.

Abstract: A pixel circuit, a pixel, and an AMOLED (Active Matrix Organic Light-Emitting Diode) display device comprising the pixel and a driving method thereof. The pixel circuit comprises a power supply circuit, a basic circuit and a compensation circuit, which are sequentially connected. The power supply circuit is connected to a first power supply to supply power to the basis circuit. The compensation circuit is connected to second and third power supplies, respectively, for providing difference values compensating for a voltage and current of an OLED (Organic Light-Emitting Diode). The pixel comprises an OLED and the pixel circuit. The AMOLED display device comprises the pixel circuit. By compensating for a difference between threshold and power supply voltages of a transistor, the response characteristics of the AMOLED may be improved to generate light of a same brightness, thereby meeting requirements on image uniformity and consistency of an AMOLED.

Abstract: A pressure-sensitive display screen touch-control unit, a touch screen and a manufacturing method thereof. The touch-control unit mainly comprises a driving electrode, a lower electrode, and a dielectric layer sandwiched between the driving electrode and the lower electrode. When a pressure is applied between the driving electrode and the lower electrode, a tunnel current IT is formed, and a voltage VT exists between the driving electrode and the lower electrode. With the touch-control unit, an external pressure may be converted into a current signal to make pressure an information input mode; and the touch-control unit is combined with the existing capacitive touch screen or the resistive touch screen, such that the touch-control unit may be compatible with the existing multi-point touch function, and may also sense change in pressure sensitively. Functions of the existing touch screens may be enhanced to rich operations and applications of touch screens.

Abstract: A foldable display screen solves the problem of low reliability of foldable display screens in the prior art. The foldable display screen includes a meander line. The foldable display screen includes at least one gap located at an end of the meander line.

Abstract: A flexible display substrate includes a flexible substrate and a conductive layer on the flexible substrate. The conductive layer and the flexible substrate are divided into a bending area and a non-bending area along an extension direction. A thickness of the conductive layer in the bending area is smaller than a thickness of the conductive layer in the non-bending area.

Abstract: An operational control method of a flexible display device for controlling the flexible display device is disclosed, and the method includes: detecting an action performed by a user to the device, the action including one or any combination of bending, folding, edge deforming and shape recovering; and analyzing a characteristic value of the action, and performing a corresponding system function when the characteristic value of the action satisfies a preset condition.

Abstract: An AMOLED pixel unit (20) and a driving method therefore, as well as an AMOLED display device including the AMOLED pixel unit (20), are disclosed. The AMOLED pixel unit (20) includes a pixel circuit (22) and an organic light-emitting diode (24) connected to the pixel circuit (22). The pixel circuit (22) includes a capacitor (Cs), an initialization unit connected to one terminal of the capacitor (Cs), a data writing unit and a light-emitting control unit. The other terminal of the capacitor (Cs) is connected to a first scan control line (Sn1). The initialization unit is connected to a second scan control line (Sn2). The data writing unit is connected to a third scan control line (Sn3) and a data line (Dm). The light-emitting control unit is connected to a fourth scan control line (Sn4). The AMOLED pixel unit (20) can effectively avoid an impact of leak currents or threshold voltage differences on the capacitors (Cs), allowing uniform light brightness of the AMOLED display device.

Abstract: Provided are an OLED (Organic Light-Emitting Diode) display panel and a manufacturing method thereof. The OLED display panel comprises a plurality of scan lines (Sn), data lines (D1 and D2), and power lines (VDD), wherein the scan lines (Sn) and the data lines (D1 and D2) define a plurality of pixel groups arranged in a matrix; wherein each pixel group has two sub-pixels, two sub-pixels in a same pixel group connected to a same power line (VDD) and arranged in mirror symmetry with respect to the power line (VDD), and wherein the data lines (D1 and D2) connected to the two sub-pixels in the same pixel group are located on different structural layers. On one hand, the probability of occurrence of a short circuit between the data lines (D1 and D2) is effectively reduced, and crosstalk between the data lines (D1 and D2) is significantly eliminated.

Abstract: The present application provides an array substrate and a display device. The array substrate includes a substrate provided with a display region and a non-display region. The display region is configured to display. The non-display region includes a groove region. The groove region has a light transmittance greater than that of the display region. The display device includes the above-described array substrate.

Abstract: A touch substrate includes a touch detection region and a sensing detection region. The touch detection region is provided with a touch electrode for identifying a touch signal. The sensing detection region is provided with a sensing electrode for identifying an environment signal. A touch display panel includes a display panel and the above-described touch substrate.

Abstract: The present application relates to a display panel and a display device thereof. The display panel includes a base substrate and a number of display units disposed on the base substrate. The number of display units form a display region. A display region driving circuit is disposed on the display region of the base substrate and electrically connected to the number of display units so as to drive the number of display units. And a peripheral circuit is disposed on the base substrate at a periphery of the display region. The peripheral circuit includes a number of peripheral circuit units arranged side by side in a same direction. And the number of peripheral circuit units and the number of display units are respectively arranged correspondingly.

Abstract: Exemplary embodiments of the present disclosure relate to display panels and display devices. The display panel includes: a base substrate; a display screen body disposed on the base substrate and including a display surface and a back surface, the display screen body being provided with a groove penetrating the display surface and the back surface, and an area of the display surface of the display screen body other than an area of the groove being a display area, a number of data signal wires configured to transmit driving data for pixel units in the display area; a number of power supply wires configured to supply an operating voltage to the pixel units in the display area and connected to a common power bus that surrounds the groove.

Abstract: The present disclosure relates to a system for controlling deformation of a flexible screen, configured to control the deformation of the flexible screen, the flexible screen including: a flexible screen body, a metal layer attached to a back surface of the flexible screen body, and a current controlled deformation layer coated on the metal layer; the flexible screen further including a power supply circuit, and a current regulation circuit through which the power supply circuit is coupled to the metal layer; and the system including: a hardness regulation circuit, configured to control intensity of current flowing in the metal layer to soften the current controlled deformation layer. The above system for controlling deformation of a flexible screen can control the flexible screen to be deformed to have a desired shape.

Abstract: Disclosed is a pixel arrangement with a shared blue light emitting layer (7), comprising m rows and n columns of first pixel units, the first pixel units are blue light sub-pixels (B), m is a non-zero natural number, n is a natural number larger than or equal to 2, wherein, two columns of second pixel units are arranged between neighboring first pixel units, each of the second pixel units comprises a red light sub-pixel (R), a green light sub-pixel (G) and a yellow light sub-pixel (Y) that are arranged in a juxtaposed manner. By properly modifying the pixel arrangement of the device configuration, light emitting in four colors can be achieved by using only two or less sets of low precision masks in the preparation process, so that the resolution is increased with reduced cost, and as compared to conventional pixel arrangement, the PPI can be doubled, reaching 600 PPI.

Abstract: The present disclosure provides a flexible foldable display screen and a manufacturing method thereof. The method includes: forming a flexible screen body on a glass substrate, wherein the flexible screen body includes a display area and a curing assembling area formed at an end of the flexible screen body; disposing a controlling IC in the curing assembling area; and peeling off a part of the glass substrate corresponding to the display area.