Abstract: The disclosure provides a precursor solution, a perovskite solar cell and a preparation method thereof. The solute of the precursor solution includes a metal halide, the solvent of the precursor solution is an organic solvent, and the precursor solution contains nanobubbles, which have a diameter not more than 1000 nm, and the zeta potential of the precursor solution does not exceed-20 mV. The method of preparing the precursor solution includes: (1) preparing an organic solvent containing nanobubbles; (2) dissolving a solute in the organic solvent containing nanobubbles. The precursor solution of the disclosure has a very low zeta potential, and the nanobubbles can exist stably in the organic solvent(s) for up to one month. When comparing with traditional methods for preparing the precursor solution of the perovskite cells, the method for preparing the precursor solution of the disclosure can effectively improve the stability, reproducibility and solubility of the metal halide in the organic solvent(s).

Abstract: A fabrication method and a fabrication assembly for a flexible display substrate are provided. The fabrication assembly for a flexible display substrate includes: a rigid base substrate, including a first engaging structure being on a surface of the rigid base substrate; and a protective film, including a first surface and a second surface opposite to each other, and including a second engaging structure being on the first surface. The second surface of the protective film is configured to be attached to a flexible base substrate; and the rigid base substrate and the protective film are configured to be detachably connected with each other by the first engaging structure and the second engaging structure.

Abstract: A fabrication method and a fabrication assembly for a flexible display substrate are provided. The fabrication assembly for a flexible display substrate includes: a rigid base substrate, including a first engaging structure being on a surface of the rigid base substrate; and a protective film, including a first surface and a second surface opposite to each other, and including a second engaging structure being on the first surface. The second surface of the protective film is configured to be attached to a flexible base substrate; and the rigid base substrate and the protective film are configured to be detachably connected with each other by the first engaging structure and the second engaging structure.

Abstract: A substrate structure and methods for method for attaching a flexible substrate and for peeling off a flexible substrate are disclosed. The substrate structure includes a carrier substrate and a flexible substrate disposed on the carrier substrate, the substrate structure further including a bonding layer interposed between the carrier substrate and the flexible substrate, or more than one bonding layers parallel interposed between the carrier substrate and the flexible substrate, wherein the bonding layer includes an electroviscosity layer, viscous strength of which changes under effect of electric field, the electroviscosity layer is disposed on a contact surface between the bonding layer and the flexible substrate.

Abstract: The present invention provides a backplane structure and a display device including the backplane structure. The backplane structure includes a backplate, a plurality of support components provided on a side of the backplate, and a control unit, wherein each of the support components includes a signal receiving element and an executive element, the signal receiving element may receive a control signal sent by the control unit, and the executive element has one end fastened to the backplate and is capable of being contracted or extended when the control signal is received by the signal receiving element. The display device provided by the present invention can not only achieve flat display, but also achieve curved display with different curvatures.

Abstract: The present application discloses a substrate comprising a base substrate; a black matrix layer comprising an array of a plurality of black matrixes on a first side of the base substrate; and a plurality of electrophoresis cells on the first side of the base substrate. Each of the plurality of electrophoresis cells comprises a first electrode, a second electrode, a mixture of an electrophoresis media and charged particle. The charged particles are movable in response to an electrical signal.

Abstract: The present disclosure provides a display substrate and methods for attaching and peeling a flexible substrate thereof. The display substrate comprises a carrier substrate, a flexible substrate disposed on the carrier substrate, and an adhesive layer disposed between the carrier substrate and the flexible substrate. The adhesive layer comprises a magnetic viscous layer whose viscous strength is variable under an action of a magnetic field. One side of the adhesive layer contacted with the flexible substrate is provided with the magnetic viscous layer. Since the magnetic viscous layer whose viscous strength is variable under an action of a magnetic field is disposed on one side of the display substrate facing the flexible substrate, the flexible substrate can be attached and peeled during the manufacturing process just through a magnetic viscous layer under an action of a magnetic field. Further, the carrier substrate and the adhesive layer may be recycled.

Abstract: A substrate structure and methods for method for attaching a flexible substrate and for peeling off a flexible substrate are disclosed. The substrate structure includes a carrier substrate (1) and a flexible substrate (2) disposed on the carrier substrate (1), the substrate structure further including a bonding layer (3) interposed between the carrier substrate (1) and the flexible substrate (2), or more than one bonding layers (3) parallel interposed between the carrier substrate (1) and the flexible substrate (2), wherein the bonding layer (3) includes an electroviscosity layer (31), viscous strength of which changes under effect of electric field, the electroviscosity layer (31) is disposed on a contact surface between the bonding layer (3) and the flexible substrate (2).

Abstract: A display panel, a display device and a method for driving the same are provided by embodiments of the present invention, which belong to the technical field of display technology and is capable of solving the problem of a high consumption of time, human and material resources due to existing method for adjusting cell thickness of a liquid crystal cell and thus undesirable effect thereof. The display panel of the embodiments of the invention includes a first substrate, a second substrate and a frame sealant, the frame sealant is located between the first substrate and the second substrate and provided with an electrostrictive structure therein, the first substrate includes a first electrode provided to be corresponding to the electrostrictive structure, and the second substrate includes a second electrode provided to be corresponding to the electrostrictive structure, the first electrode and the second electrode forming an additional electric field to stretch or shorten the electrostrictive structure.

Abstract: The present invention provides a rigid base substrate, an apparatus and a method for preparing a flexible display substrate. The rigid base substrate comprises a base body having a bearing surface on which a base material used for forming a flexible display substrate is placed, the base body is provided with an inner cavity, and a plurality of through holes are provided between the hearing surface and the inner cavity to connect the inner cavity with the bearing surface. The rigid base substrate of the present invention does not need a bonding agent, and thus a cost of forming a flexible display substrate can be reduced; further, the flexible display substrate is protected from damage when the flexible display substrate is separated from the rigid base substrate; also, another flexible display substrate can be prepared using the rigid base substrate without cleaning the rigid base substrate, thereby increasing production efficiency.

Abstract: The present application discloses a substrate comprising a base substrate; a black matrix layer comprising an array of a plurality of black matrixes on a first side of the base substrate; and a plurality of electrophoresis cells on the first side of the base substrate. Each of the plurality of electrophoresis cells comprises a first electrode, a second electrode, a mixture of an electrophoresis media and charged particle. The charged particles are movable in response to an electrical signal.

Abstract: The present invention provides a backplane structure and a display device including the backplane structure. The backplane structure includes a backplate, a plurality of support components provided on a side of the backplate, and a control unit, wherein each of the support components includes a signal receiving element and an executive element, the signal receiving element may receive a control signal sent by the control unit, and the executive element has one end fastened to the backplate and is capable of being contracted or extended when the control signal is received by the signal receiving element. The display device provided by the present invention can not only achieve flat display, but also achieve curved display with different curvatures.