Abstract: An adaptive characteristic spectral line screening method and system based on atomic emission spectrum are provided, the method includes: using a set characteristic screening optimization method to perform a plurality of optimization rounds of characteristic screening, obtaining an initialized spectral dataset of each round of the characteristic screening and initialized characteristic population genes; obtaining an optimal characteristic population gene of each round by a set analysis method, a fitness function, and an iteration of a genetic algorithm; obtaining an optimized characteristic spectral information set when the plurality of optimization rounds reach set optimization rounds; performing combination statistics and discriminant analyses on the optimized characteristic spectral information set to complete an adaptive characteristic spectral line screening.

Abstract: Provided is a method for determining a light-leakage degree of a display panel, applicable to a light-leakage detecting device, wherein a display region of the display panel comprises a plurality of sub-regions, and the method includes: acquiring a brightness value of each of the sub-regions when a target color is displayed in the display region; and determining, in response to detecting that the plurality of sub-regions comprise at least one light-leakage sub-region, the light-leakage degree of the display panel based on an average of brightness values of the plurality of sub-regions and a brightness value of the light-leakage sub-region.

Abstract: A shift register circuit includes a first pull-down control sub-circuit and a first noise reduction sub-circuit. The first pull-down control sub-circuit includes a first transistor and a second transistor, and a ratio of a width-to-length ratio of a channel of the second transistor to a width-to-length ratio of a channel of the first transistor is greater than 5:1. The first pull-down control sub-circuit transmits, in response to a first voltage signal received at a first voltage signal terminal, the first voltage signal to a first pull-down node through the first transistor, and transmits a second voltage signal received at a second voltage signal terminal to the first pull-down node through the second transistor under control of a voltage of a pull-up node. The first noise reduction sub-circuit transmits the second voltage signal to the pull-up node under control of a voltage of the first pull-down node.

Abstract: The present disclosure provides a method, an apparatus and a system for determining a light-leakage degree of a display panel, and a test fixture, and relates to the field of display technologies. When a light-leakage detection device detected that the plurality of sub-regions includes at least one light-leakage sub-region, the light-leakage detection device can determine a light-leakage degree of the display panel based on an average of brightness values of the plurality of sub-regions and a brightness value of the light-leakage sub-region. Compared with a way that an inspector manually determines a light-leakage degree, the light-leakage detection device can automatically determine the light-leakage degree of the display panel based on brightness values of the sub-regions by the method according to the embodiment of the present disclosure, thereby effectively improving the reliability and accuracy of the light-leakage degree of the display panel as determined.

Abstract: A contact lens and a contact lens assembly are provided. The contact lens includes a lens and a deformation unit. The lens configured to be worn in a human eye. The deformation unit is mounted to the lens and configured to deform according to a deformation voltage to make the lens deformed.

Abstract: A shift register circuit includes a first pull-down control sub-circuit and a first noise reduction sub-circuit. The first pull-down control sub-circuit includes a first transistor and a second transistor, and a ratio of a width-to-length ratio of a channel of the second transistor to a width-to-length ratio of a channel of the first transistor is greater than 5:1. The first pull-down control sub-circuit transmits, in response to a first voltage signal received at a first voltage signal terminal, the first voltage signal to a first pull-down node through the first transistor, and transmits a second voltage signal received at a second voltage signal terminal to the first pull-down node through the second transistor under control of a voltage of a pull-up node. The first noise reduction sub-circuit transmits the second voltage signal to the pull-up node under control of a voltage of the first pull-down node.

Abstract: A touch substrate includes an optical sensor structure, a parallel light detection structure and a lens positioning structure laminated one on another. The optical sensor structure is configured to determine plane position coordinates of the floating touch point in a direction parallel to the touch substrate based on a light flux received by each opening sensor unit. The lens positioning structure is configured to adjust a focal length of a target lens unit having the plane position coordinates in a plurality of lens units, so as to enable the light flux received by the optical sensor unit corresponding to the target lens unit to reach a threshold, thereby to determine a target focal length acquired when the light flux received by the optical sensor unit reaches the threshold as a space position coordinate of the floating touch point in a normal direction of the touch substrate.

Abstract: The present application provides a display substrate, a display panel, a display device and a manufacturing method thereof. The display substrate comprising: a base substrate and a black matrix layer, a color resistance layer and an electrostatic transmission layer arranged on the base substrate, wherein the base substrate comprises a first surface and a second surface opposing to each other, the black matrix layer and the color resistance layer are arranged on the first surface of the base substrate and arranged on the same layer, and the electrostatic transmission layer for leading out static electricity generated by the base substrate is arranged on the second surface of the base substrate, and wherein an orthographic projection of the electrostatic transmission layer on the base substrate does not overlap with an orthographic projection of the color resistance layer on the base substrate.

Abstract: The present disclosure provides a common voltage compensation circuit including a feedback signal input terminal and a compensation sub-circuit. The compensation sub-circuit is configured to generate a compensation voltage for compensating a common voltage according to a feedback signal from the feedback signal input terminal and a reference common voltage. The common voltage compensation circuit also includes a first filter sub-circuit, a first terminal of the first filter sub-circuit is electrically coupled to the feedback signal input terminal, and a second terminal of the first filter sub-circuit is electrically coupled to a first clock signal line. The feedback signal line arranged is adjacent to a second clock signal line, and a first clock signal in the first clock signal line and a second clock signal in the second clock signal line are inverted relative to each other. The present disclosure also provides a display driver and a display device.

Abstract: A touch substrate includes an optical sensor structure, a parallel light detection structure and a lens positioning structure laminated one on another. The optical sensor structure is configured to determine plane position coordinates of the floating touch point in a direction parallel to the touch substrate based on a light flux received by each opening sensor unit. The lens positioning structure is configured to adjust a focal length of a target lens unit having the plane position coordinates in a plurality of lens units, so as to enable the light flux received by the optical sensor unit corresponding to the target lens unit to reach a threshold, thereby to determine a target focal length acquired when the light flux received by the optical sensor unit reaches the threshold as a space position coordinate of the floating touch point in a normal direction of the touch substrate.

Abstract: The present application provides a display substrate, a display panel, a display device and a manufacturing method thereof. The display substrate comprising: a base substrate and a black matrix layer, a color resistance layer and an electrostatic transmission layer arranged on the base substrate, wherein the base substrate comprises a first surface and a second surface opposing to each other, the black matrix layer and the color resistance layer are arranged on the first surface of the base substrate and arranged on the same layer, and the electrostatic transmission layer for leading out static electricity generated by the base substrate is arranged on the second surface of the base substrate, and wherein an orthographic projection of the electrostatic transmission layer on the base substrate does not overlap with an orthographic projection of the color resistance layer on the base substrate.

Abstract: Provided is a lens device, including a plurality of lens units arranged in an array, wherein the lens unit includes an accommodating cavity, a lens, a magnetic body, and a magnetic field generating member; the lens and the magnetic body are located inside the accommodating cavity, the magnetic field generating member is configured to provide a magnetic field, and the magnetic body is configured to move the lens in a direction perpendicular to an arrangement plane of the plurality of lens units under an action of the magnetic field provided by the magnetic field generating member. A display device and a control method is also provided.

Abstract: An adjustment structure for depth of field, a display device, and a control method thereof. The adjustment structure for depth of field includes: a first substrate, a second substrate and a lens layer located between the first substrate and the second substrate. The lens layer includes a plurality of lens units; each of the plurality of lens units includes two electrodes and a lens located between the two electrodes with an adjustable focal length; the lens includes charged particles and a first transparent insulating liquid encapsulated by a transparent flexible film; the charged particles include positively charged particles and negatively charged particles.

Abstract: The present disclosure provides a common voltage compensation circuit including a feedback signal input terminal and a compensation sub-circuit. The compensation sub-circuit is configured to generate a compensation voltage for compensating a common voltage according to a feedback signal from the feedback signal input terminal and a reference common voltage. The common voltage compensation circuit also includes a first filter sub-circuit, a first terminal of the first filter sub-circuit is electrically coupled to the feedback signal input terminal, and a second terminal of the first filter sub-circuit is electrically coupled to a first clock signal line. The feedback signal line arranged is adjacent to a second clock signal line, and a first clock signal in the first clock signal line and a second clock signal in the second clock signal line are inverted relative to each other. The present disclosure also provides a display driver and a display device.

Abstract: A contact lens and a contact lens assembly are provided. The contact lens includes a lens and a deformation unit. The lens configured to be worn in a human eye. The deformation unit is mounted to the lens and configured to deform according to a deformation voltage to make the lens deformed.

Abstract: An adjustment structure for depth of field, a display device, and a control method thereof. The adjustment structure for depth of field includes: a first substrate, a second substrate and a lens layer located between the first substrate and the second substrate. The lens layer includes a plurality of lens units; each of the plurality of lens units includes two electrodes and a lens located between the two electrodes with an adjustable focal length; the lens includes charged particles and a first transparent insulating liquid encapsulated by a transparent flexible film; the charged particles include positively charged particles and negatively charged particles.

Abstract: A display device, a method for controlling the display device, and a wearable device are provided. The display device includes an organic light-emitting structural layer; at least one control assembly including a color filter layer and a control electrode layer; and a control circuit. The color filter layer is closer to the organic light-emitting structural layer than the control electrode layer, the color filter layer includes color filter regions and light-transmissible regions arranged alternately, the control electrode layer includes first electrodes, each first electrode is on one color filter region corresponding to the first electrode and light transmittance of the first electrode is changeable under voltages. The control circuit is connected to the first electrodes and applies the voltages to the first electrodes so as to control the light transmittance of the first electrodes.

Abstract: An implant for laser diagnosis and treatment comprises: a metal halide perovskite, wherein the metal halide perovskite is in a form of a nanosheet, a nanowire, or a quantum dot; a gold nanoshell coupled to the metal halide perovskite; and an antibody, which is bondable to a biological tissue, on an outer surface of the gold nanoshell. A diagnosis and treatment device for exciting the implant, a method of using the implant, and a diagnosis and treatment system are also disclosed.

Abstract: A display panel and a method for fabricating the same are disclosed. The display panel includes a first substrate, a second substrate which is arranged oppositely to the first substrate, a frame sealant which is arranged between the first substrate and the second substrate, and a black matrix which is arranged on the second substrate. A projection of the black matrix on the first substrate does not overlap a projection of the frame sealant on the first substrate. This facilitates completely exposing the frame sealant to a curing UV light. This improves a curing efficiency of the frame sealant, increases the adhesiveness of the frame sealant, and avoids the problem of liquid crystal leakage due to breakage of the frame sealant.

Abstract: A mask plate is provided. The mask plate includes a first transparent substrate. A first transparent electrode, an electrochromic layer and a second transparent electrode are arranged sequentially on the first transparent substrate. The first transparent electrode is configured to be selectively powered so as to form energized regions with different shapes. A method for manufacturing the mask plate, a device including the mask plate, and a method for using the mask plate are further provided.