Abstract: The present disclosure provides a display substrate and a display device. The display substrate includes a base substrate; a plurality of thin film transistors on the base substrate, each thin film transistor including a gate electrode on the base substrate; a gate insulating layer on the gate electrode; a semiconductor layer on the gate insulating layer; and a first electrode and a second electrode on the semiconductor layer; wherein the gate electrode includes an inner portion and a peripheral portion, the peripheral portion including a first portion and a second portion, wherein an orthographic projection of the second portion on the base substrate is closer to an orthographic projection of an end of the gap on the base substrate than an orthographic projection of the first portion on the base substrate, and a width of the first portion is less than a width of the second portion.

Abstract: Provided is a liquid crystal handwriting board. The liquid crystal handwriting board includes: a liquid crystal panel, a photosensitive assembly, and a control assembly; wherein the liquid crystal panel includes a first substrate and a second substrate that are opposite; the photosensitive assembly includes a plurality of photosensitive elements; and the control assembly is electrically connected to the liquid crystal panel and the photosensitive assembly, and is configured to determine position information of a pixel region for erasure by detecting position information of target light irradiated to the liquid crystal panel by the photosensitive assembly and supply a pixel voltage to the plurality of pixel electrodes in the pixel region for erasure, such that a voltage difference is present between the plurality of pixel electrodes in the pixel region for erasure and the common electrode.

Abstract: A direct drive motor includes a base, a stator assembly provided on the outer periphery of the base, a rotating shaft assembly provided in the base, and a rotor assembly connected to the rotating shaft assembly and covering the stator assembly. The base includes an inner end, an outer end, and a receiving chamber passing through the inner end and the outer end. The rotating shaft assembly is rotatably mounted in the receiving chamber. A first circuit board is mounted at the inner end; a recess is formed in the outer end; a second circuit board is mounted in the recess; and the first circuit board is connected to the second circuit board. When being applied to an apparatus such as an intelligent device and an intelligent robot, the direct drive motor is good in stability, high in intelligence, reliable in overall structure, and strong in practicability.

Abstract: Methods of capturing respiratory droplets are provided which use coatings comprising a polyelectrolyte polymer and a viscosity modifier. In embodiments, a method of capturing respiratory droplets comprises absorbing respiratory droplets on a surface of a coating, the coating comprising a polyelectrolyte polymer and a viscosity modifier, wherein absorbed droplets leave depressions in the surface of the coating. Coated substrates and coating compositions used to form the coated substrates are also encompassed.

Abstract: A method of image scaling includes the steps of: determining the coordinates of a virtual pixel in an original image, wherein the virtual pixel corresponds to an actual pixel in a scaled image; determining the coordinates of four actual pixels in the original image that are closest to the virtual pixel; determining the weights of the four actual pixels; and determining the pixel value of the virtual pixel in the original image in accordance with the determined weights and the pixel values of the four actual pixels.

Abstract: A method of image scaling includes the steps of: determining the coordinates of a virtual pixel in an original image, wherein the virtual pixel corresponds to an actual pixel in a scaled image; determining the coordinates of four actual pixels in the original image that are closest to the virtual pixel; determining the weights of the four actual pixels; and determining the pixel value of the virtual pixel in the original image in accordance with the determined weights and the pixel values of the four actual pixels.

Abstract: A picture frame unit is disclosed that is particularly useful for lighting displayable materials such as three dimensional photographs and two dimensional photographs. The unit is portable and includes an enhanced illumination planar display area. The unit also includes an illumination source mounted in front of the picture for creating an optical illusion to the eyes that the display area extends deeply into the frame unit.

Abstract: Disclosed is an improved microcentrifuge tube (10). One improvement is a recessed well (20) within the top of the the lid (16) of the tube into which an identifying disk (22) is placed. Another claimed improvement is an expanded lower circumference (25) of the lower portion of plug (24) extending down from the bottom of the top (16) of the tube and an inwardly directed protrusion (26) on the inner surface of the top portion of the tube such that the expanded circumference (25) at the lower portion of the plug (24) fits under the inwardly directed protrusion (26) when said plug is inserted into the opening of the tube thus securing the lid to the top of the tube.