Abstract: A surface texture recognition sensor, a surface texture recognition device and a surface texture recognition method thereof, and a display device are disclosed. The surface texture recognition sensor is configured to recognize a ridge and a valley of a surface, and includes: a first dielectric layer and a second dielectric layer which overlap with each other; a light source which is configured to emit light into the first dielectric layer; and a photosensitive detector which is at a side of the second dielectric layer away from the first dielectric layer. The light emitted from the light source is incident onto the interface with an incident angle; with the recognition unit being in contact with the surface, refractive index of at least one of the first dielectric layer and the second dielectric layer is changed to allow a critical angle of total reflection to be changed.

Abstract: Embodiments of the present disclosure provide a device for determining a location of a blood vessel and a method thereof. The device includes a plurality of sensors, a processor, and an indicating device. The plurality of sensors may detect pressure values at a plurality of skin locations in contact with the plurality of sensors. The processor may determine the location of the blood vessel based on the pressure values. The pressure value at the skin location corresponding to the location of the blood vessel is greater than the pressure values at both sides of the skin location in a direction perpendicular to a direction of the blood vessel. The indicating device may indicate the location of the blood vessel.

Abstract: An optical collimation assembly, a backlight module and a display device are disclosed. The optical collimation assembly includes: a collimation film including a light incident surface and a light exiting surface; and a light modulation component, located on the light incident surface of the collimation film and includes a plurality of light modulation portions arranged in an array. Each of the plurality of light modulation portions includes: a first surface; a second surface; and a third surface intersecting both the first surface and the second surface, an included angle between the third surface and the first surface is an acute angle, wherein the third surface is configured to reflect light entering the light modulation portion from the second surface, such that the light being reflected exits from the collimation film along a direction substantially perpendicular to the light exiting surface.

Abstract: The present disclosure provides an array substrate for a reflective display panel, a method for preparing the same, and a display panel, the array substrate including a base and a pixel electrode and a structure for reflecting light arranged on the base, in which the structure for reflecting light is configured to reflect light at a predetermined wavelength and allow light other than the light at the predetermined wavelength to transmit therethrough.

Abstract: An optical measurement device and an optical measurement method are provided. The optical measurement device includes a test backplane, a light emitter, a center point detector and a movement device. The movement device is provided on the test backplane, and configured to carry a to-be-tested sample. The light emitter is configured to display a first center point on the to-be-tested sample, and the first center point corresponds to a center point of the test backplane. The center point detector is configured to detect a second center point and display the second center point on the to-be-tested sample, and the second center point is a center point of the to-be-tested sample. The movement device is further configured to move the to-be-tested sample, such that the first center point and the second center point coincide with each other.

Abstract: The present application discloses a method for driving a pixel circuit. The method includes initializing a voltage setting in a pixel circuit including at least a driving transistor coupled to a light-emitting device and obtaining a first threshold voltage of the driving transistor. The method further includes inputting a first data voltage to the pixel circuit to generate a first driving current independent of the first threshold voltage, to drive light emission of the light-emitting device in a current cycle. Additionally, the method includes generating a compensation voltage via a feedback sub-circuit based on a change of the first driving current upon a second threshold voltage of the light-emitting device. Furthermore, the method includes inputting a second data voltage combined with the compensation voltage as a negative feedback to generate a second driving current to drive light emission of the light-emitting device in a next cycle.

Abstract: A display substrate, a manufacturing method thereof, and a display device. The method includes: forming a pixel definition layer transitional pattern on a base substrate, the pixel definition layer transitional pattern being provided at a lateral surface with an undercut; forming a common layer, which is broken at the undercut, on the base substrate; removing the undercut to obtain a pattern of a pixel definition layer; and forming a cathode on the base substrate.

Abstract: A substrate includes: a base substrate, a thin film transistor disposed on the base substrate, an organic insulating layer disposed on the thin film transistor, an inorganic passivation layer disposed on the organic insulating layer, and at least a portion of the organic insulating layer which is in contact with the inorganic passivation layer is provided with a concave-convex structure.

Abstract: A pixel driving circuit, an organic light emitting display panel and a pixel driving method. The pixel driving circuit includes: a switching sub-circuit, a driving sub-circuit, a storage capacitor and a charge eliminating sub-circuit; the charge eliminating sub-circuit has a control terminal connected to a first scanning signal line, and other terminals connected to the first terminal of the driving sub-circuit, a cathode of the organic light emitting element (OLED) and a reference voltage terminal respectively, and can enable a potential between the anode and the cathode of the organic light emitting element to be reversed under control of the first scanning signal line.

Abstract: The present application discloses a light collimating thin film, an edge-type backlight module, a liquid crystal display device, and a micro light emitting diode display device. The light collimating thin film includes a substrate having a first surface and a second surface which are opposed to each other, and a plurality of conical structures respectively penetrating the substrate. Axes of the plurality of conical structures are respectively perpendicular to the first surface and the second surface.

Abstract: A touch substrate, a method of driving the same, and a touch display device are provided, and the touch substrate includes: a plurality of emitting electrode patterns arranged along a first direction, wherein the emitting electrode patterns includes an emitting electrode sub-pattern or a plurality of electrically connected emitting electrode sub-patterns; a plurality of first receiving electrode patterns arranged along a Y-direction, wherein the first receiving electrode patterns includes a plurality of electrically connected first receiving electrode sub-patterns; a plurality of second receiving electrode patterns arranged along an X-direction and insulated from the first receiving electrode pattern, and the second receiving electrode pattern includes a plurality of second receiving electrode sub-patterns electrically connected in sequence; the first direction intersecting both the X-direction and the Y-direction.

Abstract: The present disclosure discloses a touch panel, a driving method thereof and a display device. A touch signal multiplexer is adopted to load touch signals to touch signal lines, and one pad is at least correspondingly electrically connected with two touch signal lines; in addition, a load compensation circuit is set; and while the pad loads the touch signals to one of the touch signal lines electrically connected with the pad, the load compensation circuit loads compensation signals to other touch signal lines electrically connected with the pad without the loaded touch signals.

Abstract: A touch panel comprises a first substrate (1), a second substrate (2) opposite to the first substrate (1), and spacers (5) between the first substrate (1) and the second substrate (2). At least one of the spacers (5) comprises a piezoelectric material. The piezoelectric material is a graphene-polyborosiloxane composite.

Abstract: A shift register unit, a driving method thereof, a gate drive circuit and a display device are provided. The shift register unit includes: an input circuit, an output circuit, a pull-down control circuit and a pull-down circuit; and the output circuit is connected to a first DC power supply terminal, a second clock signal terminal, a pull-up node, a first driving signal output terminal and a second driving signal output terminal respectively, and is configured to output a first power supply signal of the first DC power supply terminal to the first driving signal output terminal under control of the pull-up node.

Abstract: A sealant, a manufacturing method therefor, a liquid crystal display (LCD) panel and a display device are provided. The sealant includes a sealant matrix and luminescent particulates distributed in the sealant matrix. The luminescent particulates at least emit ultraviolet (UV) light under UV irradiation.

Abstract: A display substrate, a manufacturing method thereof, a display panel and a display device are provided. The display substrate includes: a base substrate, a plurality of display areas arranged in an array on the base substrate, and non-display areas between the display areas. A display structure is disposed in the display area and configured to display images. The non-display area is light-transparent and is provided with a photochromic pattern. The photochromic pattern is configured to adjust the light transmittance of the non-display area according to the illumination intensity of the received light.

Abstract: A pixel circuit includes a data written-in sub-circuit, a driving sub-circuit, a threshold compensation sub-circuit, a light-emitting element, a sensing sub-circuit and a first light-emission control sub-circuit. The driving sub-circuit is configured to control a driving current for driving the light-emitting element to emit light. The data written-in sub-circuit writes threshold compensation information into a second terminal of the driving sub-circuit at a compensation stage. The threshold compensation sub-circuit stores a data signal and adjusts a voltage at the second terminal of the driving sub-circuit in a coupled manner. The sensing sub-circuit writes a sensing voltage into a first terminal and the second terminal of the driving sub-circuit at a display process, senses aging information of the light-emitting element during an aging detection process and transmits the aging information to the aging detection device.

Abstract: A pixel circuit and driving method thereof, a display substrate and a display device are disclosed. The pixel circuit includes a light-emitting element, a drive element, a first switch element, a reset circuit and a compensating circuit. The drive element is connected to the light-emitting element and configured to drive the light-emitting element to emit light; the first switch circuit is configured to apply a data voltage to the drive element under control of a scan signal; the reset circuit is electrically connected to the compensating circuit, and configured to apply a reset signal to the compensating circuit under control of the scan signal; the compensating circuit is configured to compensate the drive element, so as to allow a signal output from the drive element to be relevant with the data voltage and the reset voltage and to be irrelative to threshold characteristic of the drive element.

Abstract: The present disclosure provides a display panel include one or more pressure sensing units, the one or more pressure sensing units being configured to sense a pressure input on the display panel. Each of the pressure sensing units includes a first upper electrode, a first lower electrode disposed opposite to the first upper electrode, and a piezoelectric material layer between the first upper electrode and the first lower electrode. There is further provided a display device comprising the display panel described above.

Abstract: A touch compensation method includes: for at least one line, estimating coordinates of a point to be compensated at a current moment according to coordinates of n touch recognition points at n previous moments, and n being an integer greater than or equal to 2; calculating compensation data of a touch model corresponding to the point to be compensated according to first touch data of a touch model corresponding to a touch recognition point of a previous 1st moment T1; obtaining all touch data of a touch screen at the current moment, and obtaining second touch data at the current moment at a place where the touch model corresponding to the point to be compensated is located from the all touch data according to the coordinates of the point to be compensated; and compensating the second touch data according to the compensation data.