Abstract: A light-emitting device, a light-emitting substrate, and a method for manufacturing the light-emitting device. The light-emitting device includes at least one light-emitting structure. The light-emitting structure includes: a first semiconductor layer; a light-emitting layer; a second semiconductor layer, doping ions of the second semiconductor layer and a first semiconductor layer being oppositely charged; a barrier structure provided with an opening for exposing the second semiconductor layer, the orthographic projection of the opening on the base substrate being located in the orthographic projection of the light-emitting layer on the base substrate, and the area of the opening being smaller than that of the light-emitting layer; and a landing electrode located on the side of the barrier structure facing away from the second semiconductor layer, the landing electrode being in contact with the second semiconductor layer by means of the opening.

Abstract: A volatilization device and a storage device. The volatilization device comprises: a shell having a cavity, an air outlet communicated with the cavity being formed on the shell; and a color change member fixed on the shell. One side of the color change member is exposed to the cavity, the other side of the color change member can be seen from the outer wall of the shell, and the color change member changes color according to the concentration of a target gas in the cavity. The storage device comprises a box and the volatilization device, and the shell is fixed in the box. The color change member is fixed on the shell, one side of the color change member is exposed to the cavity of the shell, the other side of the color change member can be seen from the outer wall of the shell, and a user thus can determine, by observing the color change of the color change member, the validity of an item to be stored in the cavity, helping the user in in-time replacing.

Abstract: An oxygen removal module, a fresh-keeping device and a refrigerator. The oxygen removal module comprises: an electrolyte tank provided with a water inlet; and a water tank provided with a water outlet, the water outlet being connected to the water inlet through a first pipeline, to supplement water to the electrolyte tank by means of the water tank.

Abstract: A window cleaning robot (100), a window cleaning robot system and a method for controlling the window cleaning robot are disclosed. The window cleaning robot (100) comprises a window cleaning robot body (10), a detecting module disposed on the window cleaning robot body (10) and configured to detect an environment outside the window cleaning robot body (10), and a controlling device connected to the detecting module and configured to control an action of the window cleaning robot body (10) based on a data detected by the detecting module.

Abstract: A window cleaning robot (100), a window cleaning robot system and a method for controlling the window cleaning robot are disclosed. The window cleaning robot (100) comprises a window cleaning robot body (10), a detecting module disposed on the window cleaning robot body (10) and configured to detect an environment outside the window cleaning robot body (10), and a controlling device connected to the detecting module and configured to control an action of the window cleaning robot body (10) based on a data detected by the detecting module.

Abstract: The present disclosure provides a cleaning robot system, a cleaning robot and a method for controlling a cleaning robot. The cleaning robot system includes a cleaning robot and a control terminal. The cleaning robot includes a camera set and a WIFI communication component, the camera set is configured to shoot images around the cleaning robot so as to generate panoramic image information, and the WIFI communication component is configured to generate a wireless communication between the cleaning robot and the control terminal so as to send the panoramic image information to the control terminal. The control terminal is configured to perform wireless communication with the WIFI communication component so as to receive the panoramic image information, and to generate a control instruction according to the panoramic image information for controlling the cleaning robot.

Abstract: The present disclosure provides a window-cleaning robot and a method for controlling the same. The robot includes: a body; a vacuum suction port disposed on the body; a suction detector configured to detect a vacuum suction value generated at the vacuum suction port; a light-emitting assembly disposed on the body, a light-emitting area of the light-emitting assembly being configured corresponding to the vacuum suction value; and a controller, connected with the suction detector and the light-emitting assembly respectively and configured to light all or a part of light-emitting area of the light-emitting assembly according to the vacuum suction value, for reminding the user.

Abstract: Disclosed are a switching regulator and a control circuit and a control method therefor. In one embodiment, a switching control signal with decreasing on time is generated to control a power switch in a second mode so that audio noise can be avoided when the switching regulator operates in a light loaded or unloaded condition.

Abstract: Disclosed are a switching regulator and a control circuit and a control method therefor. In one embodiment, by means of controlling a rectifying switch in a power stage with a second control signal which has a predetermined frequency and varies in accordance with the difference between a feedback voltage and a reference voltage, more energy may be shunted when a switching regulator operates in a light loaded or unloaded condition, so that audio noise is avoided.

Abstract: Disclosed are a switching regulator and a control circuit and a control method therefor. In one embodiment, the control circuit generates a supplementary signal varying with a state parameter of the power stage in a first mode and keeps the supplementary signal substantially unchanged in a second mode with respect to the value thereof at the moment of switching from the first mode to the second mode so that the supplementary signal at the moment of mode switching is maintained substantially constant, therefore, a steady state can be achieved quickly, and ripples in the output voltage are restrained.

Abstract: Disclosed are a switching regulator and a control circuit and a control method therefor. In one embodiment, the control circuit generates a supplementary signal varying with a state parameter of the power stage in a first mode and keeps the supplementary signal substantially unchanged in a second mode with respect to the value thereof at the moment of switching from the first mode to the second mode so that the supplementary signal at the moment of mode switching is maintained substantially constant, therefore, a steady state can be achieved quickly, and ripples in the output voltage are restrained.

Abstract: Disclosed are a switching regulator and a control circuit and a control method therefor. In one embodiment, by means of controlling a rectifying switch in a power stage with a second control signal which has a predetermined frequency and varies in accordance with the difference between a feedback voltage and a reference voltage, more energy may be shunted when a switching regulator operates in a light loaded or unloaded condition, so that audio noise is avoided.

Abstract: Disclosed are a switching regulator and a control circuit and a control method therefor. In one embodiment, a switching control signal with decreasing on time is generated to control a power switch in a second mode so that audio noise can be avoided when the switching regulator operates in a light loaded or unloaded condition.

Abstract: In one embodiment, a power switch driving circuit can include: (i) a first circuit configured receiving a control signal, and controlling a first transistor gate, where a first transistor source is coupled to a power supply, and a first transistor drain is coupled to a driving signal configured to control a power switch; (ii) a second circuit configured to receive the control signal, and to control a second transistor gate, where a second transistor source is coupled to ground, and a second transistor drain is coupled to the driving signal; and (iii) a driving enhancement circuit having a third transistor and a first inverter that is configured to invert an output of the first circuit to control a third transistor gate, where a third transistor source is coupled to the driving signal, and a third transistor drain is coupled to the power supply.

Abstract: In one embodiment, a power switch driving circuit can include: (i) a first circuit configured receiving a control signal, and controlling a first transistor gate, where a first transistor source is coupled to a power supply, and a first transistor drain is coupled to a driving signal configured to control a power switch; (ii) a second circuit configured to receive the control signal, and to control a second transistor gate, where a second transistor source is coupled to ground, and a second transistor drain is coupled to the driving signal; and (iii) a driving enhancement circuit having a third transistor and a first inverter that is configured to invert an output of the first circuit to control a third transistor gate, where a third transistor source is coupled to the driving signal, and a third transistor drain is coupled to the power supply.