Abstract: A test system and a test method for a lip sticking force of tipping paper for cigarettes are provided. The test system includes an artificial lip and test equipment. The artificial lip is a silica gel block. The test equipment includes a friction meter testing platform, a force measuring sensor, a rigid rope, a pulley, a pulley bracket and a sample loading module. The pulley is installed on the pulley bracket, and the rigid rope slides in the pulley. The rigid rope is L-shaped, a first end of the rigid rope in a horizontal direction is connected to the force measuring sensor, and a second end of the rigid rope in a vertical direction is connected to the sample loading module. The artificial lip is located directly below the sample loading module, and the artificial lip is in contact with the sample loading module at a test position.

Abstract: A light conversion structure applied to a display device, and a backlight module, a color filter substrate, and a display device including the light conversion structure are provided. The light conversion structure includes a light filter structure (100) including a first optical film layer (110) and a second optical film layer (120) which are alternately arranged and attached to each other in a total number of N, N is an even number, one of a surface (111) of the first optical film layer (110) far away from the second optical film layer (120) and a surface (121) of the second optical film layer (120) far away from the first optical film layer (110) is a light incident surface (1001) of the light filter structure (100), and the other one is a light-exiting surface (1003).

Abstract: A light conversion structure applied to a display device, and a backlight module, a color filter substrate, and a display device including the light conversion structure are provided. The light conversion structure includes a light filter structure (100) including a first optical film layer (110) and a second optical film layer (120) which are alternately arranged and attached to each other in a total number of N, N is an even number, one of a surface (111) of the first optical film layer (110) far away from the second optical film layer (120) and a surface (121) of the second optical film layer (120) far away from the first optical film layer (110) is a light incident surface (1001) of the light filter structure (100), and the other one is a light-exiting surface (1003).

Abstract: A surface light source and a manufacturing method thereof and a liquid crystal display device. The surface light source includes a substrate; a plurality of light emitting diode dies arranged in an array along a row direction and a column direction on the substrate; a driving circuit on the substrate and electrically connected to the plurality of light emitting diode dies and the driving circuit being configured to control at least two of the plurality of light emitting diode dies to emit light independently of each other; and an encapsulation layer on a side of the plurality of light emitting diode dies away from the substrate. The encapsulation layer is a continuous film layer covering the plurality of light emitting diode dies.

Abstract: A light conversion structure, and a backlight module, a color filter substrate, and a display device including the light conversion structure are provided. The light conversion structure includes a light filter structure including a first optical film layer and a second optical film layer alternately arranged and attached to each other in a total number of N, N is an even number, one of a surface of the first optical film layer far away from the second optical film layer and a surface of the second optical film layer far away from the first optical film layer is a light incident surface of the light filter structure, and the other one is a light-exiting surface.

Abstract: A display system and a display control method of the display system are provided. The display system includes a display device, at least two layers of liquid crystal cells on a light-emitting side of the display device, and a controller device. The display device is configured to display a display picture; the at least two lavers of liquid crystal cells are configured to control an exit angle of light of the display picture; the controller device is configured to control positions and/or widths of light-transmitting regions and light-shielding regions of each layer of the liquid crystal cells to control a display mode of the display picture. The display system can control the positions and widths of the light-transmitting regions and the light-shielding regions formed on each liquid crystal cell according to actual needs, thereby realizing switching among various display modes.

Abstract: An array substrate is disclosed. The array substrate may include a base substrate, gate lines and data lines intersecting the gate lines on the base substrate. The gate lines and the data lines may define a plurality of pixel regions. Each of at least some of the plurality of the pixel regions may be provided with an image sensor. The image sensor may include a sensitive element, a first electrode at one end of the sensitive element, and a second electrode at the other end of the sensitive element. The image sensor may be configured to sense light having image information.

Abstract: An anti-peeping device, an anti-peeping method thereof and a display device are disclosed. The anti-peeping device comprises: an upper substrate and a lower substrate which are arranged opposite to each other, and an electrophoresis layer filled between the upper substrate and the lower substrate; an electrode layer is arranged on a side, facing the electrophoresis layer, of at least one of the upper substrate and the lower substrate; the electrode layer includes a plurality of first sub-electrodes distributed along a first direction; and the electrophoresis layer includes charged particles with an electric property opposite to that of the first sub-electrodes to absorb light rays.

Abstract: A display panel and a driving method thereof, a drive device, and a drive system. The display panel includes a plurality of data lines, a plurality of gate lines, and a pixel array. The pixel array includes a communication pixel including a communication sub-pixel; the first communication gate line of the plurality of gate lines connected to the communication sub-pixel is configured to transmit a first scan signal which includes a display scan sub-signal and a first communication scan sub-signal, the first communication data line of the plurality of data lines connected to the communication sub-pixel is configured to transmit a first data signal which includes a first display data sub-signal and a first communication data sub-signal; and the communication sub-pixel is configured to display information corresponding to the first display data sub-signal and information corresponding to the first communication data sub-signal in a time-sharing manner.

Abstract: An integrated display panel and a preparation method thereof are provided. The integrated display panel includes a first base substrate and a second base substrate, the first base substrate and the second base substrate being disposed opposite to each other, the first base substrate being provided with a pixel unit thereon, the pixel unit including a plurality of sub-pixel units having different colors; the integrated display panel further includes an image acquisition module which includes a photo sensing unit disposed in each of the sub-pixel units, the photo sensing unit includes a photodiode disposed in a non-display region of the sub-pixel unit, the photodiode is configured to photoelectrically convert light from a target area to obtain an electric signal representing an image of the target area.

Abstract: A light emitting diode display substrate, a manufacturing method thereof, and a display device are provided. The light emitting diode display substrate includes a base substrate; a light emitting diode located on the base substrate, and a self-assembled monolayer. The light emitting diode includes a graphene layer, and the graphene layer is located on a side of the light emitting diode close to the base substrate; the self-assembled monolayer is located between the graphene layer and the base substrate and connected with the graphene layer.

Abstract: A light conversion structure, and a backlight module, a color filter substrate, and a display device including the light conversion structure are provided. The light conversion structure includes a light filter structure including a first optical film layer and a second optical film layer alternately arranged and attached to each other in a total number of N, N is an even number, one of a surface of the first optical film layer far away from the second optical film layer and a surface of the second optical film layer far away from the first optical film layer is a light incident surface of the light filter structure, and the other one is a light-exiting surface.

Abstract: A display panel and a driving method thereof, a drive device, and a drive system. The display panel includes a plurality of data lines, a plurality of gate lines, and a pixel array. The pixel array includes a communication pixel including a communication sub-pixel; the first communication gate line of the plurality of gate lines connected to the communication sub-pixel is configured to transmit a first scan signal which includes a display scan sub-signal and a first communication scan sub-signal, the first communication data line of the plurality of data lines connected to the communication sub-pixel is configured to transmit a first data signal which includes a first display data sub-signal and a first communication data sub-signal; and the communication sub-pixel is configured to display information corresponding to the first display data sub-signal and information corresponding to the first communication data sub-signal in a time-sharing manner.

Abstract: The present disclosure provides a circuit substrate, a method for manufacturing the same, a display substrate and a tiled display device. The circuit substrate includes: a base substrate; a driving circuit on the base substrate; and conductive connection portions. A plurality of grooves is defined in a lateral side of the base substrate; each of the plurality of grooves extends through a top surface and an opposite bottom surface of the base substrate. The driving circuit includes signal lines on the top surface of the base substrate and signal-line leads on the bottom surface of the base substrate. The plurality of conductive connection portions are corresponding to the plurality of grooves in a one-to-one manner; at least one part of the conductive connection portion is in the corresponding groove. The conductive connection portion is connected with the corresponding signal line and the corresponding signal-line lead, respectively.

Abstract: The present application discloses a peep-proof apparatus for switching a viewing angle of a display panel between a first viewing angle and a second viewing angle. The peep-proof apparatus includes a base substrate; a first liquid crystal layer on the base substrate; a second liquid crystal layer on a side of the first liquid crystal layer distal to the base substrate; a first controller configured to control the first liquid crystal layer to switch between being light transmissive and being light blocking in a plurality of first regions spaced apart from each other while other regions in the first liquid crystal layer being light transmissive; and a second controller configured to control the second liquid crystal layer to switch between being light transmissive and being light blocking in a plurality of second regions spaced apart from each other while other regions in the second liquid crystal layer being light transmissive.

Abstract: A display panel includes a substrate, a plurality of pixel units, a first color film, and an optical sensing layer. Each pixel subunit in each pixel unit includes a light-emitting portion. The optical sensing layer is sandwiched between the first color film and the substrate, configured to detect optical signals from an object facing the display panel, and includes a plurality of optical sensing portions, each arranged such that an orthographic projection thereof on the substrate is substantially covered by an orthographic projection of the first color film on the substrate, yet is not overlapped with an orthographic projection of the light-emitting portion of each pixel subunit on the substrate. A lens layer may be over the optical sensing layer, and an orthographic projection thereof on the substrate substantially covers an orthographic projection of each optical sensing portion on the substrate.

Abstract: The present application discloses a peep-proof apparatus for switching a viewing angle of a display panel between a first viewing angle and a second viewing angle. The peep-proof apparatus includes a base substrate; a first liquid crystal layer on the base substrate; a second liquid crystal layer on a side of the first liquid crystal layer distal to the base substrate; a first controller configured to control the first liquid crystal layer to switch between being light transmissive and being light blocking in a plurality of first regions spaced apart from each other while other regions in the first liquid crystal layer being light transmissive; and a second controller configured to control the second liquid crystal layer to switch between being light transmissive and being light blocking in a plurality of second regions spaced apart from each other while other regions in the second liquid crystal layer being light transmissive.

Abstract: A display panel includes a plurality of sub-pixels, and an image capturing assembly including a plurality of photoelectric converters and an image integrator electrically coupled to each photoelectric converter. At least one sub-pixel contains one photoelectric converter. Each photoelectric converter can convert an optical signal from an outside light reaching thereonto into an electrical signal. The image integrator can receive the electrical signal from each photoelectric converter to thereby build an image based thereupon. The display panel further includes a substrate, and a color filter layer disposed over the substrate and including a plurality of color blocks, each of a primary color and corresponding to one sub-pixel. The photoelectric converters are each disposed between the substrate and the color filter layer. Each photoelectric converter can convert an optical signal from an outside light entering through one of the plurality of color blocks into an electrical signal.

Abstract: An integrated display panel and a preparation method thereof are provided. The integrated display panel includes a first base substrate and a second base substrate, the first base substrate and the second base substrate being disposed opposite to each other, the first base substrate being provided with a pixel unit thereon, the pixel unit including a plurality of sub-pixel units having different colors; the integrated display panel further includes an image acquisition module which includes a photo sensing unit disposed in each of the sub-pixel units, the photo sensing unit includes a photodiode disposed in a non-display region of the sub-pixel unit, the photodiode is configured to photoelectrically convert light from a target area to obtain an electric signal representing an image of the target area.

Abstract: A light emitting diode display substrate, a manufacturing method thereof, and a display device arc provided. The light emitting diode display substrate includes a base substrate; a light emitting diode located on the base substrate, and a self-assembled monolayer. The light emitting diode includes a graphene layer, and the graphene layer is located on a side of the light emitting diode close to the base substrate; the self-assembled monolayer is located between the graphene layer and the base substrate and connected with the graphene layer.