Abstract: The present disclosure relates to a display panel, a display device, a reflective filter and a control method thereof. The reflective filter includes: a substrate; a first dielectric layer having a first refractive index, and located on one side of the substrate; a periodic array structure located on one side of the first dielectric layer away from the substrate and in direct contact with the first dielectric layer, wherein the periodic array structure includes a plurality of solid material patterns spaced apart by gaps; and a second dielectric layer covering the periodic array structure and filling the gaps, wherein a material of the second dielectric layer is a variable refractive index material; wherein the first refractive index of the first dielectric layer is lower than an equivalent refractive index nneff of the periodic array structure with the gaps filled with the variable refractive index material.

Abstract: The present disclosure provides a 3D display substrate including: a plurality of sub-pixels of different colors, a driver and a plurality of plano-convex lenses located at a light-emitting side of the plurality of sub-pixels. The plurality of sub-pixels are corresponding to the plurality of plano-convex lenses in a one-to-one manner. A light-emitting surface of each of the plurality of sub-pixels is located in a focal plane of the corresponding plano-convex lens. Each of the plurality of sub-pixels includes a plurality of sub-pixel sub-portions arranged in an array. The driver is configured to drive the plurality of sub-pixel sub-portions in the same sub-pixel to display images of different grayscales to form a 3D display image.

Abstract: The present disclosure relates to a display panel, a display device, a reflective filter and a control method thereof. The reflective filter includes: a substrate; a first dielectric layer having a first refractive index, and located on one side of the substrate; a periodic array structure located on one side of the first dielectric layer away from the substrate and in direct contact with the first dielectric layer, wherein the periodic array structure includes a plurality of solid material patterns spaced apart by gaps; and a second dielectric layer covering the periodic array structure and filling the gaps, wherein a material of the second dielectric layer is a variable refractive index material; wherein the first refractive index of the first dielectric layer is lower than an equivalent refractive index nneff of the periodic array structure with the gaps filled with the variable refractive index material.

Abstract: Provided are a front light source and a display apparatus. The front light source is disposed on a light emitting side of a display panel. The front light source includes: a light guide member and a light emitting member disposed on a light incident side of the light guide member, the light guide member being configured to guide light emitted by the light emitting member onto the display panel; the light emitting member includes: a light source element and a quantum dot element which are disposed on a same layer, the light source element being configured to emit light of a first color, and the quantum dot element being configured to emit light of three colors including three-primary colors under excitation of the light emitted by the light source element, the first color is one of the three-primary colors.

Abstract: Provided are a display panel and a method for manufacturing the same, a display device and a control method of the same related to the technical field of display. The display panel includes a base substrate; a pixel defining layer arranged on the base substrate and configured to define a plurality of sub-pixels, at least one sub-pixel of the plurality of sub-pixels includes a plurality of sub-pixel-units; and each sub-pixel-unit of the plurality of sub-pixels includes an anode, a light emitting layer, and a cathode that are stacked, and anodes of adjacent sub-pixel-units in a same sub-pixel are insulated from each other and are apart from the base substrate for different distances.

Abstract: The present disclosure provides a 3D display substrate including: a plurality of sub-pixels of different colors, a driver and a plurality of plano-convex lenses located at a light-emitting side of the plurality of sub-pixels. The plurality of sub-pixels are corresponding to the plurality of plano-convex lenses in a one-to-one manner. A light-emitting surface of each of the plurality of sub-pixels is located in a focal plane of the corresponding plano-convex lens. Each of the plurality of sub-pixels includes a plurality of sub-pixel sub-portions arranged in an array. The driver is configured to drive the plurality of sub-pixel sub-portions in the same sub-pixel to display images of different grayscales to form a 3D display image.

Abstract: Disclosed are a display substrate and a method for manufacturing the same, a display panel and a display device. The display panel includes a carrier substrate; an adhesive layer, a color resist layer, a first flat layer and a metal wire grid layer that are distributed in a direction distal from the carrier substrate; and a light shielding pattern disposed between the adhesive layer and the first flat layer. A surface of the light shielding pattern proximal to the metal wire grid layer is in the same plane as a surface of the color resist layer proximal to the metal wire grid layer. The present disclosure contributes to increasing the yield of the metal wire grid layer and improving the display effect of the display panel.

Abstract: The present disclosure provides a quantum dot color filter, a fabrication method thereof, a display panel and a display device, and belongs to the field of display technology. The quantum dot color filter of the present disclosure includes a quantum dot functional layer configured to emit light of a certain color under excitation of excitation light. The quantum dot functional layer has a hollowed-out portion, which exposes a side surface of the quantum dot functional layer, so that the excitation light is able to arrive at the side surface.

Abstract: To more appropriately explain bases of estimation in a machine learning model that estimates appropriate outputs as responses to a temporally changing state. A machine learning model estimates an appropriate output in an environment with a temporally changing state. One or more processors acquire an episode. The episode includes steps at different times. Each step in the steps indicates a state of the environment, and an output selected by the machine learning model in the state. The one or more processors form a plurality of phases including one or more consecutive steps on a basis of one or more changing indicators in the episode, and generate data that explains a basis of the machine learning model in the plurality of phases.

Abstract: Disclosed are a color filter substrate, a method for fabricating the same, and a display device. The color filter substrate includes a plurality of color-resist elements, and the color filter substrate further includes: a base substrate, and a groove arranged on the base substrate in correspondence to each of the color-resist elements, wherein a size of an opening of each groove is increase from the bottom to the top, a reflecting layer is coated on an inner surface of the groove, and a color-resist filler corresponding to a color of light emitted by the color-resist element is further filled in the groove above the reflecting layer.

Abstract: A display panel and a display device are provided, the display panel includes: a first substrate and a second substrate opposite to each other; a liquid crystal layer between the first substrate and the second substrate; a first electrode layer between the first substrate and the liquid crystal layer; and a second electrode layer between the second substrate and the liquid crystal layer, wherein the liquid crystal layer at least includes a first liquid crystal layer and a second liquid crystal layer stacked on each other, and a spiral direction of liquid crystal in the first liquid crystal layer is opposite to a spiral direction of liquid crystal in the second liquid crystal layer.

Abstract: A display panel and a display device are provided, and the display panel includes a substrate and a pixel layer disposed on the substrate. The pixel layer includes a plurality of pixel units arranged in an array. The display panel includes a main light-transmitting region surrounded by the plurality of pixel units, and an orthographic projection of the main light-transmitting region on the substrate is not overlapped with orthographic projections of the plurality of pixel units on the substrate, so that external light is allowed to pass through the main light-transmitting region of the display panel, and then is received by an image acquisition device disposed on a side of the display panel.

Abstract: The disclosure discloses a display panel and a display device. The display panel includes: a base substrate, a reflecting layer, a dielectric grating layer, a filter layer, and a color filter layer including a first color filter element for transmitting light rays in a first color, a second color filter element for transmitting light rays in a second color, and a third color filter element for transmitting white light; the filter layer is configured to transmit light rays in first and second colors, and to reflect light rays in a third color; the dielectric grating layer includes a grating element corresponding in position to the third color filter element, and configured to reflect light rays in the first color transmitted through the filter layer to the first color filter element, and to reflect light rays in the second color transmitted through the filter layer to the second color filter element.

Abstract: The present disclosure discloses a color film assembly, a display substrate and a method for fabricating the same, and a display apparatus. The color film assembly includes a quantum dot layer, and a filter layer on a light emitting side of the quantum dot layer. The filter layer includes filter units. Each of the filter units includes a first filter structure. A light emitting surface of the first filter structure has at least one converging structure. The quantum dot layer includes quantum dot units which are in one-to-one correspondence with the filter units. Each quantum dot unit includes at least one quantum dot structure. The quantum dot structures in each quantum dot unit are in one-to-one correspondence with the first filter structures in the corresponding filter unit.

Abstract: This disclosure provides a gene chip comprising a substrate and at least one positioning device fixed on an upper surface of the substrate, wherein the at least one positioning device is provided with a receiving cavity for receiving a bead, the receiving cavity being arranged on a surface of the at least one positioning device facing away from the substrate, and a cross-sectional area of the receiving cavity is gradually decreased in a direction toward the upper surface of the substrate. This disclosure further provides a gene detection device comprising the gene chip.

Abstract: A display panel and a display device are provided, the display panel includes: a first substrate and a second substrate opposite to each other; a liquid crystal layer between the first substrate and the second substrate; a first electrode layer between the first substrate and the liquid crystal layer; and a second electrode layer between the second substrate and the liquid crystal layer, wherein the liquid crystal layer at least includes a first liquid crystal layer and a second liquid crystal layer stacked on each other, and a spiral direction of liquid crystal in the first liquid crystal layer is opposite to a spiral direction of liquid crystal in the second liquid crystal layer.

Abstract: Disclosed are a display substrate and a method for manufacturing the same, a display panel and a display device. The display panel includes a carrier substrate; an adhesive layer, a color resist layer, a first flat layer and a metal wire grid layer that are distributed in a direction distal from the carrier substrate; and a light shielding pattern disposed between the adhesive layer and the first flat layer. A surface of the light shielding pattern proximal to the metal wire grid layer is in the same plane as a surface of the color resist layer proximal to the metal wire grid layer. The present disclosure contributes to increasing the yield of the metal wire grid layer and improving the display effect of the display panel.

Abstract: The disclosure discloses a display panel and a display device. The display panel includes: a base substrate, a reflecting layer, a dielectric grating layer, a filter layer, and a color filter layer including a first color filter element for transmitting light rays in a first color, a second color filter element for transmitting light rays in a second color, and a third color filter element for transmitting white light; the filter layer is configured to transmit light rays in first and second colors, and to reflect light rays in a third color; the dielectric grating layer includes a grating element corresponding in position to the third color filter element, and configured to reflect light rays in the first color transmitted through the filter layer to the first color filter element, and to reflect light rays in the second color transmitted through the filter layer to the second color filter element.

Abstract: Disclosed are a color filter substrate, a method for fabricating the same, and a display device. The color filter substrate includes a plurality of color-resist elements, and the color filter substrate further includes: a base substrate, and a groove arranged on the base substrate in correspondence to each of the color-resist elements, wherein a size of an opening of each groove is increase from the bottom to the top, a reflecting layer is coated on an inner surface of the groove, and a color-resist filler corresponding to a color of light emitted by the color-resist element is further filled in the groove above the reflecting layer.

Abstract: A display substrate, a method for manufacturing the same, and a display device are provided. The display substrate includes a base substrate, a black matrix pattern on the base substrate, display units respectively in regions defined by the black matrix pattern, and a light-reflecting wall between at least two adjacent display units, where at least one of the at least two adjacent display units is a quantum dot display unit, and a reflectance of the light-reflecting wall to light in a first wavelength range is greater than a preset threshold.