Abstract: The present disclosure provides a flexible foldable display screen includes a glass substrate, a flexible screen body disposed on the glass substrate, and a controlling IC disposed at a top of the curing assembling area. The flexible screen body has a curing assembling area defined at an end thereof, and a display area disposed outside the curing assembling area. The glass substrate is disposed at a bottom of the curing assembling area, with the display area exposed from the glass substrate. The display area comprises a pixel sparse area formed at an edge of the display area, and a pixel dense area formed outside the pixel sparse area. A pixel unit density of pixel units in the pixel dense area is greater than that of pixel units in the pixel sparse area.

Abstract: A display screen with an irregular shape is provided. The display screen with the irregular shape includes: an irregular-shaped display area including an irregular-shaped boundary and a pixel area, and the irregular-shaped boundary is located at a periphery of the pixel area; a packaging area provided at a periphery of the irregular-shaped boundary, the packaging is used to package the irregular-shaped display area; a number of connecting lines located between the irregular-shaped boundary and the packaging area, and the connecting lines are arranged along a direction from the irregular-shaped boundary to the packaging area. During arranging the connecting lines, along the direction from the irregular-shaped boundary to the packaging area, the connecting lines are bent, such that the plurality of connecting lines are compactly arranged. A display device is also provided.

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: 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 disclosure relates to a touch control structure, a display panel, and a display device. The touch control structure includes a substrate, a touch control electrode, and an electrical conducting member. The substrate has a first surface and a plurality of first grooves defined on the first surface. The touch control electrode is disposed on the first surface of the substrate. The electrical conducting member is disposed on the touch control electrode. The touch control electrode is electrically connected to an external circuit via the electrical conducting member. An electrical conducting ability of the electrical conducting member is greater than an electrical conducting ability of the touch control electrode.

Abstract: A display screen with an irregular shape is provided. The display screen with the irregular shape includes: an irregular-shaped display area including an irregular-shaped boundary and a pixel area, and the irregular-shaped boundary is located at a periphery of the pixel area; a packaging area provided at a periphery of the irregular-shaped boundary, the packaging is used to package the irregular-shaped display area; a number of connecting lines located between the irregular-shaped boundary and the packaging area, and the connecting lines are arranged along a direction from the irregular-shaped boundary to the packaging area. During arranging the connecting lines, along the direction from the irregular-shaped boundary to the packaging area, the connecting lines are bent, such that the plurality of connecting lines are compactly arranged. A display device is also provided.

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?i, 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 p

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: An epitaxial base plate including a base plate body; a plurality of bosses arranged on the base plate body in an array; a plurality of contact electrodes correspondingly disposed on tops of the bosses; a planarization layer covering the bosses and a region of the base plate body without being covered by the bosses. The planarization layer defines a plurality of first through holes corresponding to the bosses to expose plurality of contact electrodes via the plurality of first through holes; and a plurality of pads arranged on the planarization layer in an array and electrically connected to the corresponding contact electrodes via the first through holes. An area of a vertical projection of the pad on the base plate body is greater than an area of a vertical projection of the contact electrode on the base plate body.

Abstract: An LED unit, an LED display and a manufacturing method. The LED unit could include a light emitting body and a weighing element. The weighing element could be arranged on the light emitting body, such that when the LED unit is in assembly fluid, the LED unit could move in a predefined posture and along a predefined direction driven by the weighing element. With the above-mentioned implementation, the present disclosure could facilitate the mass transfer of LED units and enhance production efficiency.

Abstract: The present disclosure provides a flexible foldable display screen includes a glass substrate, a flexible screen body disposed on the glass substrate, and a controlling IC disposed at a top of the curing assembling area. The flexible screen body has a curing assembling area defined at an end thereof, and a display area disposed outside the curing assembling area. The glass substrate is disposed at a bottom of the curing assembling area, with the display area exposed from the glass substrate. The display area comprises a pixel sparse area formed at an edge of the display area, and a pixel dense area formed outside the pixel sparse area. A pixel unit density of pixel units in the pixel dense area is greater than that of pixel units in the pixel sparse area.

Abstract: Disclosed are a reliability test fixture and an online test device for a flexible display component. The fixture comprises a support and a rotating shaft rotatably mounted on the support. An engagement recess for fixing a flexible display component is provided in an axial direction on the surface of the rotating shaft. A test module used to detect an electrical parameter of an internal circuit of the flexible display component is disposed inside the rotating shaft. The test module has a test contact for electrically connecting to the flexible display component. During a test, the flexible display component is fixed in the engagement recess and is electrically connected to the test module.

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: 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: 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: The present invention relates to method and device for determining Gamma parameters and displaying method for a display. A method for determining Gamma parameters for a display includes: setting brightness of the display; lightening a standard image of gradient tricolor under the brightness; calibrating the displaying of the standard image of gradient tricolor with multiple different Gamma values; obtaining the optimal Gamma parameters for the tricolor based on the calibration results; and storing the optimal Gamma parameters for the tricolor corresponding to the brightness in a display chip. The method for determining Gamma parameters for a display calibrates the displaying of the standard image of gradient tricolor with multiple different Gamma values, which can obtain the optimal displaying results based on different calibration results.

Abstract: A pixel structure and an organic light emitting display are disclosed. The pixel structure includes a plurality of pixels which includes a plurality of sub-pixels. At least one pixel forms a pixel unit, and longitudinally adjacent pixel units are arranged in a vertical mirror image, and/or laterally adjacent pixel units are arranged in a horizontal mirror image. The present disclosure may increase the area of mask opening during evaporation, reduce the difficulty of mask production process, and reduce the evaporation process difficulty by a reasonable pixel arrangement structure and allowing sub-pixels of adjacent pixels to share one mask opening to evaporate. It does not need to preset a gap during evaporating the sub-pixels of adjacent pixels of the mask, thereby a real high PPI is achieved while keeping the opening ratio. In addition, the present disclosure can further increase the strength of the mask.

Abstract: Disclosed are a reliability test fixture and an online test device (100) for a flexible display component. The fixture comprises a support (110) and a rotating shaft (120) rotatably mounted on the support. A engagement recess (122) for fixing a flexible display component is provided in an axial direction on the surface of the rotating shaft (120). A test module (130) used to detect an electrical parameter of an internal circuit of the flexible display component is disposed inside the rotating shaft (120). The test module (130) has a test contact (132) for electrically connecting to the flexible display component. During a test, the flexible display component is fixed in the engagement recess (122) and is electrically connected to the test module (130). In this way, each time the rotating shaft (120) bents the flexible display component, the test module (130) can timely detect the electrical parameter of the internal circuit of the bent flexible display component.

Abstract: A thin film transistor and a preparation method thereof are provided. The thin film transistor includes an upper gate electrode, a lower gate electrode, an upper insulating layer, a lower insulating layer, a semiconductor layer, a source electrode and a drain electrode. The lower insulating layer is arranged on the lower gate electrode, the semiconductor layer is arranged on the lower insulating layer, the semiconductor layer is respectively lapped with the source electrode and the drain electrode, the upper insulating layer covers the semiconductor layer, and the upper gate electrode is arranged on the upper insulating layer. In a plane parallel to a conducting channel, there is a first gap between an orthographic projection of the upper gate electrode and an orthographic projection of the source electrode, and there is a second gap between the orthographic projection of the upper gate electrode and an orthographic projection of the drain electrode.

Abstract: The present invention provides a scanning driver and an organic light-emitting display using the same. The scanning driver comprises a plurality of cascaded structures receiving signals from a first timing clock line (CK1) and a second timing clock line (CK2) with opposite phases, the cascaded structures successively generating output signals (i.e., scanning signals), wherein each of the cascaded structures comprises: a first transistor, connected to a starting signal line or to a scanning output line of a previous cascaded structure; a second transistor, connected to the second timing clock line and to the scanning output line; a third transistor connected to a high-level power supply VGH; a fourth transistor, connected to a low-level power supply VGL and to an output terminal of the third transistor; a fifth transistor, connected to a high-level power supply VGH and to a scanning output line; and a first capacitor, connected between an output terminal of the first transistor and the scanning output line.