Abstract: A detection chip, a using method for the same, and a reaction system. The detection chip includes a first substrate, a micro-cavity defining layer, and a heating electrode. The micro-cavity defining layer is on the first substrate and defines a plurality of micro-reaction chambers. The heating electrode is on the first substrate and is closer to the first substrate than the micro-cavity defining layer, and is configured to heat a plurality of micro-reaction chambers. The orthographic projection of the plurality of micro-reaction chambers on the first substrate is within the orthographic projection of the heating electrode on the first substrate.

Abstract: Disclosed are a light-emitting diode (LED) device, a manufacturing method thereof, and a display panel. The LED device includes a base substrate, a first electrode layer, an electron transport layer, a quantum dot light-emitting layer and a second electrode layer. The first electrode layer is laminated on the base substrate; the electron transport layer is laminated on a surface of the first electrode layer away from the base substrate; the quantum dot light-emitting layer is laminated on a surface of the electron transport layer away from the first electrode layer; the second electrode layer is laminated on the surface of the quantum dot light-emitting layer away from the electron transport layer; wherein the surface of the electron transport layer away from the first electrode layer is a first concave-convex surface including a plurality of protrusions.

Abstract: A container and a preparation method thereof are provided. A material forming the container includes at least two types of oxidized nanocelluloses interlaced with each other, the at least two types of oxidized nanocelluloses being configured to have different degrees of expansion after absorbing moisture in a same environment. In a dry condition, the at least two types of oxidized nanocelluloses do not expand, so the structure of the container is relatively dense and the air permeability is poor, which can sufficiently maintain moisture of an article stored in the container. In case the article itself or other reasons cause high humidity, different oxidized nanocelluloses of the container expand after absorbing moisture, so that gaps between different oxidized nanocelluloses becomes larger, and the air permeability of the container becomes better, which can discharge excessive moisture, enabling the container to self-adjust the air permeability based on humidity.

Abstract: The present application provides a display substrate, the display substrate including a plurality of sub-pixel units, the plurality of sub-pixel units arranged in a plurality of rows and columns, wherein the plurality of columns of the sub-pixel units include alternatingly disposed solid color sub-pixel unit columns and mixed color sub-pixel unit columns, the solid color sub-pixel unit columns including a plurality of sub-pixel units corresponding to the same color, and in the mixed color sub-pixel unit columns, adjacent two sub-pixel units correspond to different colors. In the same row of sub-pixel units, the sub-pixel units on both sides of the sub-pixel unit in the solid color sub-pixel unit column have different colors. The utility model also provides a display device. The display device does not appear jagged or blurred when displaying an image.

Abstract: A peptoid compound, a manufacturing method of a peptoid compound, an oligomer, a pharmaceutical composition, use of the pharmaceutical composition in the preparation of a medicament for detecting or diagnosing a disease related to tyrosine kinase HER2, and a kit for identifying circulating tumor cells are provided, the peptoid compound includes: a cysteine (Cys) subunit, a butanediamine (Nlys) subunit, a 3,4-methylenedioxybenzylamine (Npip) subunit, a 3-aminopropanic acid (Nce) subunit and a 1-naphthylamine (Na) subunit, and both the peptoid compound and the oligomer have a strong ability to bind to HER2 protein on surfaces of circulating tumor cells (CTCs), and a technology of diagnosing breast cancer on the basis of the peptoid compound can realize non-invasive and label-free rapid diagnosis, in addition, the methods for synthesizing the peptoid compound and the oligomer are simple, the preparation efficiency is high, and the production cost is low.

Abstract: The present disclosure relates to the field of display technologies, and provides a gamma circuit. The gamma circuit includes: a plurality of positive gamma voltage output terminals, a plurality of negative gamma voltage output terminals in one-to-one correspondence with the plurality of positive gamma voltage output terminals, and a plurality of voltage conversion circuits. Each of the voltage conversion circuits is configured to output a negative gamma reference voltage to the negative gamma voltage output terminal based on a positive gamma reference voltage output by the positive gamma voltage output terminal corresponding to the negative gamma voltage output terminal.

Abstract: A light-emitting substrate, comprising a base, a pixel defining layer arranged on the base, and a plurality of light-emitting devices. The pixel defining layer is provided with a plurality of openings, and each light-emitting device comprises a quantum dot light-emitting pattern arranged in an opening, wherein each opening has a side wall, the side wall comprises a first portion and a second portion, the first portion is the portion of the side wall that is in contact with the quantum dot light-emitting pattern, and the second portion is the portion of the side wall that is away from the base relative to the first portion. The light-emitting substrate further comprises at least one blocking unit, each blocking unit comprises at least one siloxane chain segment, and each siloxane chain segment comprises at least one silicon oxygen bond; and each blocking unit is located in an opening, and at least one siloxane chain segment in each blocking unit is grafted to the second portion of a corresponding side wall.

Abstract: A signal generating electric circuit, a signal generating method, a digit-to-time converting electric circuit and a digit-to-time converting method. The signal generating electric circuit includes: a first generating electric circuit configured for, based on a first frequency control word and a reference time unit, generating a periodic first output signal; and a second generating electric circuit configured for, based on a second frequency control word and the reference time unit, generating a periodic second output signal. The first frequency control word includes a first integer part and a first fractional part, the second frequency control word includes a second integer part and a second fractional part, the first integer part is equal to the second integer part, the first fractional part is not zero, the second fractional part is zero, and a period of the first output signal and a period of the second output signal are not equal.

Abstract: A rear-view mirror includes a body, wherein the body includes a first polarizer, a dimming layer, a transflective polarizer, and a display component which are sequentially laminated. The dimming layer is configured to adjust a polarization direction of light passing through the dimming layer. By adjusting the polarization direction of the light passing through the dimming layer via the dimming layer, the reflectivity and transmittance of the transflective polarizer to the light can be changed, such that both an anti-glare function and a display function of the rear-view mirror can be achieved.

Abstract: The present disclosure provides a display substrate, a method for manufacturing the same, and a display device. The display substrate includes: a base substrate; a plurality of light emitting units on the base substrate, where the plurality of light emitting units include a plurality of pixel display areas; and a reflection layer on the base substrate. The reflection layer includes a plurality of patterns and a plurality of openings defined between adjacent patterns of the plurality of patterns, and positions of the plurality of openings are corresponding to positions of the plurality of pixel display areas.

Abstract: The present disclosure relates to a driving unit. The driving unit may include a first driving sub-circuit, a second driving sub-circuit, and a driving control circuit. The first driving sub-circuit may include a plurality of first switching elements, and at least some of the plurality of first switching elements may be configured to output a first signal to a first output terminal of the driving unit in response to a control signal from the driving control circuit. The second driving sub-circuit may include one or more second switching elements, and at least one of the one or more second switching elements may be configured to output a second signal to a second output terminal of the driving unit in response to the control signal from the driving control circuit. The driving control circuit may be configured to output the control signal at a control signal output terminal.

Abstract: The present disclosure provides a method and device for switching a display channel, a display driving device and a display device. The method includes: sending a first switching signal to a write controller of a current display channel when a switching instruction for switching from the current display channel to a target display channel is received; acquiring a frame address in which final write operation of data is completed, and taking the frame address as a first address and a next frame address as a second address; sending a second switching signal to a write controller of the target display channel; and sending a third switching signal to a read controller.

Abstract: Disclosed are a display panel, a manufacturing method thereof, and a display device. The display panel includes a base substrate and sub-pixels thereon. At least one sub-pixel includes: a light emitting element including a first electrode, a luminous functional layer and a second electrode sequentially stacked, the first electrode being closer to the base substrate than the second electrode; a metal reflective layer, between the base substrate and the first electrode; a silicon nitride layer, between the first electrode and the metal reflective layer, and including a first via hole through which the first electrode is connected with the metal reflective layer; a driving circuit including a driving transistor and a storage capacitor between the base substrate and the metal reflective layer, the driving transistor including a gate electrode connected with the storage capacitor, and source and drain electrodes, one of which is connected with the metal reflective layer.

Abstract: Provided is a virtual tourism method which includes: detecting, by a virtual tourism client device, a change of a viewing direction of a user in real time, generating viewing direction information of the user according to the change of the viewing direction, wherein the viewing direction change is a change of a current viewing direction of the user with respect to a reference viewing direction; and obtaining, a part of video image data corresponding to the current viewing direction of the user from stored panoramic video image data according to the viewing direction information of the user and playing the part of the video image data.

Abstract: The present disclosure discloses an array substrate and a detection method therefor, a display panel, and a display device. The array substrate includes: a base substrate, wherein the base substrate has a display area and a peripheral area surrounding the display area; a plurality of sub-pixel units, wherein the plurality of sub-pixel units are arrayed in the display area; a plurality of data lines, wherein the data lines are electrically connected to the sub-pixel units in corresponding columns; at least one first switching transistor, wherein the first switching transistor is located at a first side of the peripheral area, a drain of the first switching transistor is electrically connected to one of the data lines, and the data line connected to the drain of the first switching transistor is a first data line; a gate control line; and at least one detection line.

Abstract: A method performed in an Internet of Vehicles data transmission system is provided in the present disclosure, where the Internet of Vehicles data transmission system includes a plurality of clusters and at least one road-side unit connected to the Internet, each cluster includes at least one on-board unit, and the at least one on-board unit includes a cluster head on-board unit, and the method includes: transmitting data in the on-board unit to one of the at least one road-side unit, via the cluster head on-board unit of the cluster where the on-board unit belongs. An on-board unit and an Internet of Vehicles data transmission system are further provided.

Abstract: Disclosed are a method and system for testing a wearable device. The method includes: performing an angle acquisition process for at least two times, and calculating an optical imaging parameter value of a target virtual image on the basis of angle variation values acquired in the at least two angle acquisition processes. With the method and system according to the present disclosure, the finally calculated optical imaging parameter value is more objective and more accurate than that acquired by means of the human eyes.

Abstract: The present disclosure provides an access method, an internet of things platform, an application device and a service device. The access method applied to the internet of things platform includes: receiving an operation request message transmitted by an application device for accessing a service device, where the operation request message carries position information of the application device; determining whether the application device is capable of establishing connection with the service device according to the position information of the application device; when determining that the application device is capable of establishing connection with the service device, transmitting an operation response message carrying instruction information to the application device, where the instruction information is used to instruct the application device to access the service device.

Abstract: A positioning control method includes: determining a position of a positioning object; determining, based on the position of the positioning object, at least one target positioning beacon whose distance to the positioning object satisfies a predetermined condition; and sending a prompt message to the target positioning beacon, wherein the prompt message is intended to instruct a positioning beacon to switch a broadcast frequency from a first frequency to a second frequency which is greater than the first frequency.

Abstract: An event notification method, an apparatus, a server device, and a computer storage medium are disclosed. An event notification method includes receiving an event subscription request from a subscriber, the event subscription request including one or more notified parties; dividing the one or more notified parties into one or more groups, each group of the one or more groups including one or more notified parties; and sending an event notification to notified parties in at least one group of the one or more groups.