Abstract: A display system for imaging a user body portion includes a display panel, an optical sensor disposed on the display panel and configured to detect light reflected by the user body portion, and an optical stack disposed between the display panel and the optical sensor. The optical stack includes a first optical reflector and a light collimating film. The light collimating film includes a plurality of substantially coplanar alternating first and second regions. For an incident light, a visible wavelength range, and an infrared wavelength range, and for each of a first incident angle of less than about 5 degrees and a second incident angle of between about 40 degrees and about 70 degrees, the plurality of polymeric layers has an average optical reflectance of greater than about 70% in the visible wavelength range and an optical transmittance of greater than about 30% in the infrared wavelength range.

Abstract: Embodiments of the present invention provide a flexible base substrate and a fabrication method thereof. The flexible base substrate comprises: a first flexible film layer, having an upper surface and a lower surface opposite to each other, wherein a plurality of concave parts are arranged on the lower surface of the first flexible film layer.

Abstract: A motherboard and a manufacturing method thereof, a cover plate and a manufacturing method thereof, and a display device are provided. The manufacturing method of the motherboard includes: forming an ink pattern layer on a base substrate, the ink pattern layer including a plurality of hollow regions; applying a curable liquid onto the base substrate to cover the ink pattern layer; and curing the curable liquid to form a cured layer covering the ink pattern layer.

Abstract: Embodiments of the present invention provide a flexible base substrate and a fabrication method thereof. The flexible base substrate comprises: a first flexible film layer, having an upper surface and a lower surface opposite to each other, wherein a plurality of concave parts are arranged on the lower surface of the first flexible film layer.

Abstract: Embodiments of the present invention provide a flexible base substrate and a fabrication method thereof. The flexible base substrate comprises: a first flexible film layer, having an upper surface and a lower surface opposite to each other, wherein a plurality of concave parts are arranged on the lower surface of the first flexible film layer.

Abstract: A motherboard and a manufacturing method thereof, a cover plate and a manufacturing method thereof, and a display device are provided. The manufacturing method of the motherboard includes: forming an ink pattern layer on a base substrate, the ink pattern layer including a plurality of hollow regions; applying a curable liquid onto the base substrate to cover the ink pattern layer; and curing the curable liquid to form a cured layer covering the ink pattern layer.

Abstract: The present disclosure provides a capacitive touch screen and a bending judgment method therefor, and a display device. The touch screen includes: a substrate; touch sensing electrodes and touch drive electrodes located on the substrate; and a touch chip electrically connected with the touch sensing electrodes and touch drive electrodes, and configured to apply a driving signal to the touch drive electrodes, detect a capacitance value of each touch sensing electrode, and when the capacitance values of a part of the touch sensing electrodes adjacent to each other, the number of which is equal to or greater than a preset number, are changed, and a difference in capacitance value between the touch sensing electrodes with changed capacitance values is less than a predetermined value, to determine a bending state of the touch screen based on capacitance value change information of the touch sensing electrodes with changed capacitance values.

Abstract: The present disclosure provides a capacitive touch screen and a bending judgment method therefor, and a display device. The touch screen includes: a substrate; touch sensing electrodes and touch drive electrodes located on the substrate; and a touch chip electrically connected with the touch sensing electrodes and touch drive electrodes, and configured to apply a driving signal to the touch drive electrodes, detect a capacitance value of each touch sensing electrode, and when the capacitance values of a part of the touch sensing electrodes adjacent to each other, the number of which is equal to or greater than a preset number, are changed, and a difference in capacitance value between the touch sensing electrodes with changed capacitance values is less than a predetermined value, to determine a bending state of the touch screen based on capacitance value change information of the touch sensing electrodes with changed capacitance values.

Abstract: An apparatus of separating a flexible substrate from a glass substrate comprises a cylinder-shaped roller; and a control unit connected to the roller configured to control a rotation of the roller so as to separate a flexible substrate from a glass substrate by the rotation of the roller; the roller has a cylinder surface provided with a depressed area thereon, and the depressed area is configured to allow a driver IC on the flexible substrate to be received by the depressed area during the rotation of the roller, thereby preventing the driver IC from being damaged.

Abstract: An apparatus of separating a flexible substrate from a glass substrate comprises a cylinder-shaped roller; and a control unit connected to the roller configured to control a rotation of the roller so as to separate a flexible substrate from a glass substrate by the rotation of the roller; the roller has a cylinder surface provided with a depressed area thereon, and the depressed area is configured to allow a driver IC on the flexible substrate to be received by the depressed area during the rotation of the roller, thereby preventing the driver IC from being damaged.

Abstract: Embodiments of the present invention provide a flexible base substrate and a fabrication method thereof. The flexible base substrate comprises: a first flexible film layer, having an upper surface and a lower surface opposite to each other, wherein a plurality of concave parts are arranged on the lower surface of the first flexible film layer.

Abstract: The present invention provides a flexible display substrate, comprising a flexible base; an ultraviolet reflecting layer disposed on the flexible base and capable of reflecting ultraviolet light and transmitting visible light, comprising a stacked structure consisting of alternate first transparent material layers and second transparent material layers, wherein the numbers of the two kinds of transparent material layers are equal, and are at least two respectively, and the two kinds of transparent material layers also satisfy: 4nd=?, wherein d is the thickness of any one of the transparent material layers, n is a refractive index of the transparent material layer and ? is the wavelength of ultraviolet light; and a display structure disposed above the ultraviolet reflecting layer. The present invention is applicable to flexible display substrates, particularly flexible array substrates comprising low-temperature polycrystalline silicon thin film transistors.

Abstract: An apparatus of separating a flexible substrate from a glass substrate comprises a cylinder-shaped roller; and a control unit connected to the roller configured to control a rotation of the roller so as to separate a flexible substrate from a glass substrate by the rotation of the roller; the roller has a cylinder surface provided with a depressed area thereon, and the depressed area is configured to allow a driver IC on the flexible substrate to be received by the depressed area during the rotation of the roller, thereby preventing the driver IC from being damaged.

Abstract: Disclosed are an LTPS TFT, an array substrate and their manufacturing methods. The method for manufacturing the LTPS TFT includes a step of forming an active layer and an ohmic contact layer on a substrate, which includes: forming an a-Si layer on the substrate; injecting foreign ions into a region of the a-Si layer where the ohmic contact layer is to be formed by ion injection, so as to form an initial ohmic contact layer at the region where the ohmic contact layer is to be formed; subjecting the a-Si layer obtained after the ion injection to excimer laser annealing treatment so as to crystallize the a-Si layer into a poly-silicon layer and enable the initial ohmic contact layer to form the final ohmic contact layer; and patterning the poly-silicon layer obtained after the excimer laser annealing treatment, so as to form the active layer.

Abstract: The present invention provides a flexible display substrate, comprising a flexible base; an ultraviolet reflecting layer disposed on the flexible base and capable of reflecting ultraviolet light and transmitting visible light, comprising a stacked structure consisting of alternate first transparent material layers and second transparent material layers, wherein the numbers of the two kinds of transparent material layers are equal, and are at least two respectively, and the two kinds of transparent material layers also satisfy: 4nd=?, wherein d is the thickness of any one of the transparent material layers, n is a refractive index of the transparent material layer and ? is the wavelength of ultraviolet light; and a display structure disposed above the ultraviolet reflecting layer. The present invention is applicable to flexible display substrates, particularly flexible array substrates comprising low-temperature polycrystalline silicon thin film transistors.

Abstract: The present invention discloses a method for manufacturing a low-temperature polysilicon thin film transistor and an array substrate, which is used for simplifying manufacturing process procedures of the thin film transistor. The method includes steps of: forming an a-Si layer on a substrate; forming an impurity film on the a-Si layer, positions of the impurity film corresponding to a source doping layer to be formed and a drain doping layer to be formed respectively; and converting the a-Si layer into a polysilicon layer, and during the conversion from the a-Si layer into the polysilicon layer, ions in the impurity film being implanted into regions in the polysilicon layer contacting with the impurity film to form the source doping layer and the drain doping layer.