Abstract: A display panel and a display device are disclosed and belong to the field of display technology. The display panel comprises a first substrate and a second substrate opposite to each other, and a liquid crystal layer, a first electrode, as second electrode, a waveguide layer and a grating layer between the first and second substrates; wherein the waveguide layer is on a side of the liquid crystal layer proximal to the first substrate; and the grating layer is in contact with the liquid crystal layer; the first electrode and the second electrode are configured to adjust a refractive index of the liquid crystal layer by changing voltages applied thereto; and a coupling efficiency at which light is coupled out of the waveguide layer is determined according to a difference between a refractive index of the grating layer and the refractive index of the liquid crystal layer.

Abstract: Embodiments of the present disclosure provide a pixel unit and a driving method thereof, a display panel and a driving method thereof, and a display apparatus. The pixel unit comprises a driving sub-circuit, a first switching sub-circuit, a second switching sub-circuit, and a light-emitting element. The driving sub-circuit has a first terminal electrically coupled to a first power supply terminal, and a second terminal electrically coupled to a first terminal of the light-emitting element. The first switching sub-circuit has an inputting terminal electrically coupled to a data line, an outputting terminal electrically coupled to an inputting terminal of the second switching sub-circuit, and a controlling terminal electrically coupled to a scanning line. The second switching sub-circuit has an outputting terminal electrically coupled to an inputting terminal of the driving sub-circuit.

Abstract: A pixel driving circuit, a driving method thereof and a display device are provided. The pixel driving circuit includes a driving control unit, a light-emission control signal generation unit and a pixel driving unit. The driving control unit is configured to generate a low resolution control signal or a high resolution control signal. The pixel driving unit includes N pixel driving sub-units. Each pixel driving sub-unit is configured to control M light-emitting elements connected to the pixel driving sub-unit to emit light simultaneously when the light-emission control signal generation unit has received the low resolution control signal, and control the M light-emitting elements to emit light in a time-division manner based on M data voltages applied to a data line in a time-division manner when the light-emission control signal generation unit has received the high resolution control signal, where N and M are both integers greater than 1.

Abstract: The present disclosure provides a display apparatus and a displaying method. The display apparatus includes an optical device, a laser source at a light incident side of the optical device, a driving circuit coupled to the optical device, and a holographic image data storing device coupled to the driving circuit. The optical device includes a plurality of mutually independent optical units, the optical units are capable of refracting incident linearly polarized laser light, refractive indexes of the optical units are adjustable, and the refractive indexes of adjacent optical units are changed according to a sinusoidal curve. The driving circuit is to obtain image data of the to-be-displayed holographic image from the holographic image data storing device, and adjust the refractive index of each optical unit according to the image data. The laser source is to emit laser beams corresponding to a to-be-displayed holographic image.

Abstract: The present application discloses a top-emission type organic light emitting diode display substrate having a plurality of subpixel areas, in each of which the top-emission type organic light emitting diode display substrate includes a base substrate; a thin film transistor on the base substrate and including a drain electrode; and an organic light emitting diode on a side of the drain electrode distal to the base substrate. The organic light emitting diode includes a first electrode on a side of the drain electrode distal to the base substrate; an organic layer on a side of the first electrode distal to the drain electrode; and a second electrode on a side of the organic layer distal to the first electrode. The first electrode is a substantially transparent electrode and electrically connected to the drain electrode. The drain electrode is a reflective electrode. The second electrode is a substantially transparent electrode.

Abstract: An organic electroluminescent display panel and a method for manufacturing the same and a display device are disclosed. The organic electroluminescent display panel includes a base substrate, an anode and a cathode on the base substrate, and an organic light emitting layer located between the anode and the cathode, wherein the organic electroluminescent display panel further includes a semiconductor layer covering the entire base substrate, the semiconductor layer located between one of the anode and the cathode and the organic light emitting layer.

Abstract: A display panel and a display device are disclosed and belong to the field of display technology. The display panel comprises a first substrate and a second substrate opposite to each other, a liquid crystal layer, a first electrode, and a second electrode between the first substrate and the second substrate, a waveguide layer between the first substrate and the liquid crystal layer, and a plurality of grating units which are combined with the liquid crystal layer and disposed in a same layer as the liquid crystal layer; wherein the first electrode and the second electrode are configured to adjust a refractive index of the liquid crystal layer by changing voltages applied thereto; and a coupling efficiency at which light is coupled out of the waveguide layer is determined according to a difference between a refractive index of the grating units and the refractive index of the liquid crystal layer.

Abstract: The present disclosure provides a display substrate and a manufacturing method thereof, a display panel and a manufacturing method and a driving method thereof, and a display apparatus. The display substrate includes: a base substrate; and a first electrode, a signal line, and an organic layer between the first electrode and the signal line, all of which are on the base substrate, wherein the display substrate further comprises a conductive pillar configured to penetrate the organic layer and electrically connect the first electrode to the signal line.

Abstract: An array substrate and a manufacturing method thereof, and a display device are provided. The array substrate includes a substrate, and a plurality of pixel units arranged in an array on the substrate, each of the pixel units is provided with a plurality of thin film transistors, each of the pixel units includes a plurality of light emitting units, the plurality of light emitting units are sequentially arranged along a direction perpendicular to a plane where the substrate is located, and disposed at a side of the thin film transistors away from the substrate, each of the light emitting units is connected with one of the thin film transistors, and different ones of the light emitting units are connected to different ones of the thin film transistors.

Abstract: A pixel driving circuitry and a method for driving the same, a display substrate and a display device are provided. The pixel driving circuitry includes N pixel driving sub-circuits coupled to an identical data line, an nth pixel driving sub-circuit is configured to drive a light-emitting component of an nth pixel unit to emit light, where N is an integer larger than 1, and n is a positive integer smaller than or equal to N. The nth pixel driving sub-circuit includes an nth reset circuit, an nth driving transistor, an nth charge-discharge circuit, an nth compensation control circuit and an nth light-emitting control circuit.

Abstract: An organic light emitting diode array substrate, a manufacturing method thereof, and a display device are provided. The organic light emitting diode array substrate includes a base substrate; a first electrode pattern and an insulating layer disposed on the base substrate, wherein the first electrode pattern includes a plurality of first electrodes of strip shape, the first electrodes protrude above the insulating layer to form a step therebetween; an anti-oxidant conductive film disposed on the first electrode pattern and the insulating layer, wherein the anti-oxidant conductive film is disconnected at the step between the first electrodes and the insulating layer.

Abstract: A display panel and a manufacturing method thereof and a display device are provided. The display panel includes a semiconductor base substrate, a display array and a thermal imagination array. The display array is formed on the semiconductor base substrate, and includes a plurality of display pixels arranged in an array, and each of the display pixels includes at least one display sub-pixel, and each display sub-pixel includes a light-emitting component. The thermal imagination array is formed on the semiconductor base substrate and includes a plurality of thermal imagination pixels, and each of the thermal imagination pixels includes at least one thermal imagination sub-pixel, and display sub-pixels and thermal imagination sub-pixels are arranged in a blending way.

Abstract: Embodiments of the present disclosure provide a pixel circuit, a driving method thereof and a display apparatus. The pixel circuit comprises a resetting sub-circuit configured to control potentials of the first node, the second node and the third node according to inputting signals of the first signal terminal and the second signal terminal; a charging sub-circuit configured to control a potential of the second node according to an inputting signal of the second signal terminal; a compensating sub-circuit configured to control the potentials of the first node and the third node according to an inputting signal of the third signal terminal and the potential of the second node; a reading sub-circuit is configured to control outputting signals of the first terminal of the light emitting device and the reading terminal according to the inputting signal of the fourth signal terminal.

Abstract: A display device comprises a display panel and a grating layer. From a center of a left-eye field-of-view central area of a left display area to a non left-eye field-of-view central area of the left display area, a grating period of a left-eye grating region of a first color, a grating period of a left-eye grating region of a second color, and a grating period of a left-eye grating region of a third color all decrease gradually. From a center of a right-eye field-of-view central area of a right display area to a non right-eye field-of-view central area of the right display area, a grating period of a right-eye grating region of the first color, a grating period of a right-eye grating region of the second color, and a grating period of a right-eye grating region of the third color all decrease gradually.

Abstract: The present disclosure provides a display device. The display device comprises a display panel and a grating layer, wherein along a direction pointing from a center of a left-eye field-of-view central area to a non left-eye field-of-view central area, a grating period of a left-eye grating region of a first color, a grating period of a left-eye grating region of a second color, and a grating period of a left-eye grating region of a third color all decrease gradually; along a direction pointing from a center of a right-eye field-of-view central area to a non right-eye field-of-view central area, a grating period of a right-eye grating region of the first color, a grating period of a right-eye grating region of the second color, and a grating period of a right-eye grating region of the third color all decrease gradually.

Abstract: A photomask and an exposure method are provided. The photomask includes a photomask body including a first surface and a second surface opposite to each other; and a first light-transmissive region penetrating through the first surface and the second surface, wherein a light adjustment component is in the first light-transmissive region and configured to converge a first light beam incident onto the first surface to a second light beam emergent from the second surface, and a cross-sectional area of the first light beam sectioned by the first surface is larger than that of the second light beam sectioned by the second surface.

Abstract: The present disclosure provides a method for manufacturing a mask plate assembly, which includes providing a mask plate and a frame and securing the mask plate to the frame. The secured mask plate comprises a redundant portion extending out of the frame. The method further comprises removing at least a part of the redundant portion, and dispensing glue in a predetermined area of a surface of the mask plate, and curing the glue to form a colloid, wherein the colloid is higher than any other area on the surface of the mask plate where the colloid is not formed. The present disclosure further provides a mask plate assembly comprising a frame, and a mask plate secured to the frame, wherein a colloid is formed in a predetermined area of a surface of the mask plate, and the colloid is higher than any other area on the surface of the mask plate where the colloid is not formed. The present disclosure further provides an evaporation device and a method for manufacturing the display substrate.

Abstract: The present disclosure discloses a display panel and a display apparatus. The display panel comprises a first display region and a driving circuit. The first display region comprises at least two sets of display units, each set of display units comprising at least one display unit. All the display units of the first display region are configured to generate light rays that are to be converged onto a same eye of a user. All the display units that belong to a same set of display units are configured to generate light rays that are to be converged onto a same viewpoint of a same eye of the user, and the display unit that belong to different sets of display units are configured to generate light rays that are to be converged respectively onto different viewpoints of a same eye of the user.

Abstract: A near eye display device and method are provided. The near eye display device including: a display panel and a lens module. The display panel includes a plurality of display areas arranged in an array, each of the display areas includes at least one pixel unit; and the lens module includes a plurality of micro-lenses arranged in an array, which include a plurality of deflection micro-lenses, an end of the deflection micro-lenses close to a center of the lens module is closer to the display panel than an end of the deflection micro-lenses far away from the center of the lens module, each of the display areas corresponds to at least one of the micro-lenses, and an adjacent portion of two adjacent display areas of the display areas corresponds to two different micro-lenses of the micro-lenses, and the two different micro-lenses include at least one of the deflection micro-lenses.

Abstract: A display device includes a display panel and a grating layer inside or outside the display panel. The display panel includes R pixels, G pixels and B pixels. The grating layer includes a R grating region, a G grating region and a B grating region; along a direction from a center of a central area of the view field of the display device to a non-central area of the view field, each of grating periods of the R, G and B grating regions gradually decreases; and lights emitted from positions of the display device corresponding to the R pixel, the G pixel and the B pixel are emitted respectively along straight lines formed by the position of the R pixel and the viewer, formed by the position of the G pixel and the viewer and formed by the position of the B pixel and the viewer.