Abstract: A display substrate and a display device. The display substrate includes a pixel circuit in which the driving circuit controls a driving current driving the light emitter element to emit light; the first light emission control circuit applies a first voltage to a first terminal of the driving circuit in response to a first light emission control signal; the second light emission control circuit applies the driving current to the light emitter element in response to a second light emission control signal; the first reset circuit applies a first reset voltage to the control terminal of the driving circuit in response to a first reset signal; the first reset signal and the first light emission control signal are simultaneously turn-on signals during a period; the first light emission control line and the second light emission control line extend along a first direction and are arranged in a second direction.

Abstract: A smart conference room system is provided. The smart conference room system includes an intelligent conference interactive panel including one or more processors configured to convert user input into a conference information, a signage, and a memory configured to store the conference information. The intelligent conference interactive panel is configured to transmit conference information to one or more terminal devices. The one or more terminal devices are configured to perform a controllable operation based on the conference information transmitted to the one or more terminal devices. The intelligent conference interactive panel is further configured to receive a status check signal reminding a user of a conference room that a scheduled conference period of time is expired or about to expire.

Abstract: A display substrate and a display device. The display substrate includes a pixel circuit in which the driving circuit controls a driving current driving the light emitter element to emit light; the first light emission control circuit applies a first voltage to a first terminal of the driving circuit in response to a first light emission control signal; the second light emission control circuit applies the driving current to the light emitter element in response to a second light emission control signal; the first reset circuit applies a first reset voltage to the control terminal of the driving circuit in response to a first reset signal; the first reset signal and the first light emission control signal are simultaneously turn-on signals during a period; the first light emission control line and the second light emission control line extend along a first direction and are arranged in a second direction.

Abstract: An interactive test method, device and system are disclosed. An interactive test method, applicable to a product to be tested, including: obtaining an identification of the product to be tested; obtaining test conditions corresponding to the product to be tested according to the identification, wherein the test conditions include a test type, a test location, a test case and the attribute information of the test case; transmitting a first instruction including the test location to an actuating device; transmitting a second instruction including the test case and the attribute information of the test case to a test device; and obtaining test data transmitted by the test device and obtained by performing a test according to the first instruction and the second instruction, and comparing the test data with the test case to obtain a test result.

Abstract: A smart conference room system is provided. The smart conference room system includes an intelligent conference interactive panel including one or more processors configured to convert user input into a conference information, a signage, and a memory configured to store the conference information. The intelligent conference interactive panel is configured to transmit conference information to one or more terminal devices. The one or more terminal devices are configured to perform a controllable operation based on the conference information transmitted to the one or more terminal devices. The intelligent conference interactive panel is further configured to receive a status check signal reminding a user of a conference room that a scheduled conference period of time is expired or about to expire.

Abstract: An information synchronization method, a terminal and a system, which relates to the technical field of communication. The method includes: by the first terminal, sending a controlling request of a target terminal to the controlling server; by the first terminal, receiving a state feedback information sent by the first terminal, according to the state feedback information, updating an information of the first terminal; and by the first terminal, sending the state feedback information to each of the at least one second terminal, so that the second terminal updates an information of the second terminal according to the state feedback information.

Abstract: A display substrate and a display device. The display substrate includes a pixel circuit in which the driving circuit controls a driving current driving the light emitter element to emit light; the first light emission control circuit applies a first voltage to a first terminal of the driving circuit in response to a first light emission control signal; the second light emission control circuit applies the driving current to the light emitter element in response to a second light emission control signal; the first reset circuit applies a first reset voltage to the control terminal of the driving circuit in response to a first reset signal; the first reset signal and the first light emission control signal are simultaneously turn-on signals during a period; the first light emission control line and the second light emission control line extend along a first direction and are arranged in a second direction.

Abstract: The present disclosure can provide a method, device, terminal and system for transmitting data. The method for transmitting data includes: receiving target data from a target gateway via a channel to be detected; detecting whether an interference signal from another terminal for data transmission with the target gateway exists on the channel to be detected within the preset frame interval duration; and stopping receiving the target data when the interference signal exists until the channel to be detected is determined to be idle, and continuing to receive the target data via the idle channel to be detected.

Abstract: A smart conference room system is provided. The smart conference room system includes an intelligent conference interactive panel including one or more processors configured to convert user input into a conference information, and a memory configured to store the conference information. The intelligent conference interactive panel is configured to transmit conference information to one or more terminal devices. The one or more terminal devices are configured to perform a controllable operation based on the conference information transmitted to the one or more terminal devices.

Abstract: A display substrate and a display device. The display substrate includes a pixel circuit in which the driving circuit controls a driving current for driving the light emitter element to emit light; the first light emission control circuit applies a first voltage to a first terminal of the driving circuit in response to a first light emission control signal; the second light emission control circuit applies the driving current to the light emitter element in response to a second light emission control signal; the first reset circuit applies a first reset voltage to the control terminal of the driving circuit in response to a first reset signal; the first reset signal and the first light emission control signal are simultaneously turn-on signals during a period; the first light emission control line and the second light emission control line extend along a first direction and are arranged in a second direction.

Abstract: A frequency debugging board includes a bottom plate; a variable capacitor and a plurality of first probes that are all disposed on the bottom plate, two ends of the variable capacitor being each connected to a first probe; and a plurality of second probes and at least one switch that are all disposed on the bottom plate, any two adjacent second probes being connected to each other through a switch.

Abstract: A display substrate and a display device. The display substrate includes a pixel circuit in which the driving circuit controls a driving current for driving the light emitter element to emit light; the first light emission control circuit applies a first voltage to a first terminal of the driving circuit in response to a first light emission control signal; the second light emission control circuit applies the driving current to the light emitter element in response to a second light emission control signal; the first reset circuit applies a first reset voltage to the control terminal of the driving circuit in response to a first reset signal; the first reset signal and the first light emission control signal are simultaneously turn-on signals during a period; the first light emission control line and the second light emission control line extend along a first direction and are arranged in a second direction.

Abstract: A display substrate and a display device. The display substrate includes a pixel circuit in which the driving circuit controls a driving current for driving the light emitter element to emit light; the first light emission control circuit applies a first voltage to a first terminal of the driving circuit in response to a first light emission control signal; the second light emission control circuit applies the driving current to the light emitter element in response to a second light emission control signal; the first reset circuit applies a first reset voltage to the control terminal of the driving circuit in response to a first reset signal; the first reset signal and the first light emission control signal are simultaneously turn-on signals during a period; the first light emission control line and the second light emission control line extend along a first direction and are arranged in a second direction.

Abstract: An angle-of-view testing method for a projection display device, including setting a reference viewpoint at a same side as a reflective surface associated with the projection display device, setting a metrical marker plate with a metrical marker at another side opposite to the reflective surface at a first distance from the reference viewpoint, projecting a testing picture onto the reflective surface by the projection display device, where light of the testing picture is reflected by the reflective surface toward the reference viewpoint, such that a projected image as a virtual image of the testing picture is observed at the reference viewpoint as being projected onto the metrical marker plate, determining the coverage of the projected image with respect to the metrical marker of the metrical marker plate, and determining an angle of view of the projection display device based on the determined coverage.

Abstract: Embodiments of the present disclosure disclose a display apparatus, including: a display panel; a frame, provided at a side part of the display panel and including a light-transmitting area; a plurality of light guide structures spaced apart from each other, one end of each light guide structure having a photosensitive area, the photosensitive area being provided opposite to the light-transmitting area so that light is irradiated on the photosensitive area through the light-transmitting area; and an optical device provided at an end of each light guide structure away from the photosensitive area, wherein each of the light guide structures is configured to transmit the light irradiated on the photosensitive area to the optical device.

Abstract: A smart conference room system is provided. The smart conference room system includes an intelligent conference interactive panel including one or more processors configured to convert user input into a conference information, and a memory configured to store the conference information. The intelligent conference interactive panel is configured to transmit conference information to one or more terminal devices. The one or more terminal devices are configured to perform a controllable operation based on the conference information transmitted to the one or more terminal devices.

Abstract: A flexible display panel, a manufacturing method thereof and a display device are disclosed. The flexible display panel includes a first flexible substrate and a second flexible substrate which are cell-assembled with each other; and a liquid crystal display layer, a black matrix grid and a plurality of polymer walls which are located between the first flexible substrate and the second flexible substrate; the liquid crystal display layer is located in gaps of the plurality of polymer walls, and includes a plurality of liquid crystal pixel units arranged in an array; the plurality of liquid crystal pixel units are delimited by a projection of the black matrix grid on the liquid crystal display layer.

Abstract: A data transmission method includes: establishing a near field communication connection with a terminal; in a process of receiving data sent by the terminal, monitoring a time interval between a time when the near field communication connection with the terminal is interrupted and a time when the near field communication connection with the terminal is restored; and if the time interval is greater than or equal to a breakpoint resuming time threshold, sending a data retransmission instruction to the terminal.

Abstract: A bezel member, a control method thereof, and a bezel device are disclosed. The bezel member includes a bezel mechanism including a fixed part and a retractable part connected to the fixed part, a detecting mechanism configured to perform neighboring object presence detection for an end portion of the retractable part and generate a detection signal based on a detection result of the neighboring object presence detection, and a control mechanism configured to control the extension and retraction of the retractable part according to the detection signal.

Abstract: A frequency debugging board includes a bottom plate; a variable capacitor and a plurality of first probes that are all disposed on the bottom plate, two ends of the variable capacitor being each connected to a first probe; and a plurality of second probes and at least one switch that are all disposed on the bottom plate, any two adjacent second probes being connected to each other through a switch.