Abstract: Provided are an ultrasonic fingerprint identification circuit, a driving method thereof, and a display device. The ultrasonic fingerprint identification circuit comprises fingerprint identification units each including an ultrasonic fingerprint identification sensor connected to a first node; a control module connected to a composite signal line, a first control signal line and the first node and configured to provide a reset potential to the first node and to provide a pull-up potential to the first node in response to a first level provided by the composite signal line; a reading module connected to a second control signal line, the first node and a reading signal line, and configured to read a detection signal of the first node. The first control signal line connected to one fingerprint identification unit is reused as the second control signal line connected to another fingerprint identification unit.

Abstract: Disclosed are a display panel, a manufacturing method thereof and a display device. The display panel includes a substrate, multiple organic light emitting elements, and a film encapsulation layer. The film encapsulation layer covers more than one of the multiple organic light emitting elements, the film encapsulation layer includes a lens layer and a first cover layer, the lens layer is located on a side of the first cover layer facing the organic light emitting elements, materials of the lens layer and the first cover layer are both organic materials, a refractive index of the lens layer is M, a refractive index of the first cover layer is N, N<M, the lens layer includes multiple lenses, and a surface of each of the multiple lenses facing away from the organic light emitting elements is convex towards a side facing away from the multiple organic light emitting elements.

Abstract: A method for driving a display panel and a display apparatus are provided. The display panel includes a display region including a fingerprint recognition region and includes subpixels located in the display region, and the subpixels include first subpixels located in the fingerprint recognition region and used as a light source for fingerprint recognition. In a first mode, the subpixels are scanned at a first frequency, and in the second mode, the subpixels are scanned at a second frequency. The second frequency is greater than the first frequency. The method includes: when the display panel is in the first mode, monitoring whether the display panel receives a fingerprint recognition requirement, and if yes, controlling the display panel to enter a trigger state; and when the display panel is in the trigger state, scanning the first subpixels at a frequency greater than the first frequency.

Abstract: Provided are a display panel and a display device. The display panel includes a substrate and a plurality of pixel units disposed on the substrate. Each pixel unit includes a driving circuit and a light-emitting component, the driving circuit is disposed between the substrate and the light-emitting component, and the driving circuit is used for driving a corresponding light-emitting component to emit light. At least one light-emitting component is a micro Light Emitting Diode (LED). For a pixel unit in which the light-emitting component is the micro LED, the driving circuit at least includes a first thin film transistor, and a source and a drain of the first thin film transistor are disposed in a source-drain layer. A first electrode of the micro LED is electrically connected to a source or a drain of a corresponding first thin film transistor.

Abstract: Provided are a display panel and a display device. An array layer is located on a substrate. A display layer is located on a side of the array layer facing away from the substrate and includes light-emitting elements. A color filter layer is located on a side of the display layer facing away from the array layer. The color filter layer includes a light-blocking layer and color filters. The light-blocking layer includes first light-blocking portions. Each first light-blocking portion forms an imaging aperture. A protective layer is located on the color filter layer. Each first metal part overlaps the first light-blocking portion. The optical sensor layer is located on a side of the color filter layer facing away from the protective layer and configured to detect an image formed by the imaging aperture. Further provided is a display device including the preceding display panel.

Abstract: A display apparatus is provided and includes a flexible display screen, a fixator, a rotation rod, and an armrest. The flexible display screen includes a first end and a second end. A direction from the first end to the second end is a first direction, and a direction from the second end to the first end is a second direction. The first end of the flexible display screen is fixed to the fixator, and the second end of the flexible display screen is fixed to the rotation rod. The armrest is provided at a side of the fixator away from the rotation rod. The rotation rod and the armrest are movable relative to the fixator and have opposite rotation directions. The rotation rod rotates while moving relative to the fixator.

Abstract: A liquid crystal display device includes a first liquid crystal display panel bonded to a rear face of a front panel, a second liquid crystal display panel bonded to the rear face of the front panel and located side by side with the first liquid crystal display panel, a light-blocking rib disposed in a gap between the first liquid crystal display panel and the second liquid crystal display panel, a first backlight disposed to be opposite to the first liquid crystal display panel, and a second backlight disposed to be opposite to the second liquid crystal display panel. The rib includes a first corner and a second corner. A corner of the first liquid crystal display panel and a corner of the first backlight are in contact against inside of the first corner. A corner of the second backlight is in contact against inside of the second corner.

Abstract: A display panel, a method for manufacturing the display panel, and a display apparatus are described. In an embodiment, the display panel includes a display area and a non-display area; a substrate; an organic layer located at a side of the substrate and located in the display area and the non-display area, in which the organic layer includes a first portion located in the non-display area; and an organic layer protection structure located on a surface of the organic layer facing away from the substrate. In an embodiment, the organic layer protection structure includes a first structure in the display area and a second structure in the non-display area. In an embodiment, the second structure overlaps the first portion in a direction perpendicular to a plane of the substrate. In an embodiment, the first structure and the second structure are in direct contact with the organic layer.

Abstract: A detection device includes a sensor including a driving electrode and detection electrodes and a controller detecting a non-contact target from signal waveforms acquired from the detection electrodes by applying a voltage to the driving electrode, the signal waveforms each indicating a change in signal strength over time. The controller discriminates a peak caused by the non-contact target on the basis of a time width from a rising start point of a peak to a peak top of the peak, a height from the rising start point of the peak to the peak top of the peak, and a slope of a rising side of the peak.

Abstract: A display panel, a driving method for a display panel, and a display device are provided. The display panel includes a functional component area, a display area at least partially surrounding the functional component area, a first non-display area between the functional component area and the display area, a second non-display area at least partially surrounding the display area, a touch-control electrode layer, and touch-control signal lines. The touch-control electrode layer includes a plurality of touch-control electrode blocks. The touch-control signal lines are electrically connected to the plurality of touch-control electrode blocks correspondingly. At least one touch-control signal line of the touch-control signal lines is multiplexed as crack detection lines. At least a portion of the crack detection lines is located in the first non-display area and surrounding the functional component area.

Abstract: A display panel and a display device are provided. A first optical component area has a first width along a first direction greater than a second width along a second direction, and a display area includes a first display area and a second display area located at two sides of the first optical component area along the second direction. The display panel includes first signal lines, which include first-type signal lines and second-type signal lines and each include a first portion arranged in the first display area and a second portion arranged in the second display area. A first bypass portion connecting the first portion and the second portion of the first-type signal line is arranged in the display area. A second bypass portion connecting the first portion and the second portion of the second-type signal line is arranged in the first frame area.

Abstract: A display device includes an image display, a first lens element, and a second lens element. The image display includes a plurality of pixels, and displays parallax images corresponding to each of N1 viewpoints (where N1 is an integer of 2 or greater) along a predetermined direction and parallax images corresponding to each of N2 viewpoints (where N2 is an integer greater than N1) along the predetermined direction. When the parallax images corresponding to each of the N1 viewpoints are displayed on the image display, the first lens element divides light emitted from the plurality of pixels among the N1 viewpoints. When the parallax images corresponding to each of the N2 viewpoints are displayed on the image display 10, the second lens element divides light emitted from the plurality of pixels among each of the N2 viewpoints.

Abstract: A display module and a display device are provided. The display module includes a fingerprint recognition layer including photosensitive sensors, a display panel including a function layer containing fingerprint recognition light sources and imaging apertures, and a cover plate. A vertical distance between a surface of the cover plate at a side away from the functional layer and a corresponding imaging aperture is a first distance h1; a vertical distance between a photosensitive sensor and a corresponding imaging aperture is a second distance h2; along a direction parallel to a plane where the display panel is located, a distance between any two adjacent fingerprint recognition light sources is P1, and a distance between any two adjacent photosensitive sensors is P3; K = 2 ? P ? 3 × h ? 1 P ? 1 × h ? 2 ; 0.8N<K<1.2N; and N is a positive integer.

Abstract: A protection film, a method of manufacturing the protection film are provides, a display panel and a display device. The protection film includes a main portion and at least one cover surrounded by the main portion. The cover is at least partially connected to the main portion. At least part of an edge of the cover is a first edge, and the first edge and the main portion are not fixed.

Abstract: A method for manufacturing a display panel includes providing a backplate, forming bonding parts on backplate, forming an auxiliary layer on backplate, releasing light-emitting elements onto the auxiliary layer such that electrodes of the light-emitting elements are in contact with the first parts to form an intermediate backplate, arranging the intermediate backplate under first predetermined condition under which a fluidity of the first part is greater than that of the second part, and bonding the electrodes and the bonding parts to form an eutectic bonding layer, and arranging the intermediate backplate under second predetermined condition such that the first and second parts form solid-state first and second members. The backplate includes first and second regions. The bonding parts are located in the first regions. The auxiliary layer covers the backplate and the bonding parts. The auxiliary layer includes first and second parts respectively located in the first and second regions.

Abstract: Display panel and display device are provided. The display panel includes a plurality of pixels and a blocking metal wire. The pixel includes a display unit and a control unit driving the display unit. The display unit at least includes a heating element and a phase change material layer. The heating element includes a first connecting terminal and a second connecting terminal. The control unit includes a first signal terminal and a second signal terminal. The control unit includes at least one diode, which includes a diode semiconductor layer including a first electrode contact region, a second electrode contact region and a connecting region. The blocking metal wire covers the connecting region and is insulated from the connecting region. The blocking metal wire is electrically connected to each of the first signal terminal and the first signal source or to each of the second connecting terminal and the second signal source.

Abstract: Provided is a display device, which relates to a field of display technologies. The display device includes multiple display screen units and multiple support units. The multiple support units are configured to support the multiple display screen unit. Each of the multiple support units includes a support portion, where the support includes a first support portion and a second support portion, where the first support portion extends in a first direction, the second support portion extends in a second direction, and the first direction intersects the second direction; two support units connected in the first direction of the multiple support units are rotatable relative to each other with the second direction as a rotation axis direction, and two support units connected in the second direction of the multiple support units are rotatable relative to each other with the first direction as a rotation axis direction.

Abstract: A liquid crystal display device includes a liquid crystal panel and a driver that drives the liquid crystal panel. The driver includes a control unit that executes a display process of displaying an image on the liquid crystal panel, a touch detection process of detecting a touch on the liquid crystal panel, and a line defect determination process of determining the presence of a line defect in the liquid crystal panel. In the line defect determination process, the control unit applies a drive signal to each sensor electrode, determines whether a detection value detected from each of the sensor electrodes when the drive signal is applied meets a predetermined determination criterion, and determines that the line defect has occurred when the sensor electrodes whose detection values meet the determination criterion among the plurality of sensor electrodes are linearly distributed.

Abstract: A retractable apparatus is provided. The retractable apparatus includes a stretchable mechanism. The stretchable mechanism includes a plurality of connecting portions arranged in a first plane. Adjacent connecting portions of the plurality of connecting portions are connected to each other in a retractable manner. At least three connecting portions are non-collinearly arranged.

Abstract: A display panel including a substrate; a light-emitting element; and a light-shielding layer. The light-emitting element is located at a side of the substrate and includes a primary light-emitting element and an auxiliary light-emitting element. The light-shielding layer is located at a side of the light-emitting element facing away from the substrate and includes a first opening corresponding to the primary light-emitting element. The auxiliary light-emitting element is arranged at a periphery of the primary light-emitting element.