The present disclosure describes one or more communities of components (e.g., comprising one or more sensors and/or transceivers) that are configured to automatically locate and/or self-locate their members. The community of components includes a plurality of stationary components, and may include at least one transitory component.

A gate driving circuit and a display panel are provided. The gate driving circuit includes a plurality of shift register units as cascaded, and the plurality of shift register units as cascaded includes a first shift register unit including a first clock signal terminal, an (n+1)-th shift register unit including an (n+1)-th clock signal terminal, a second shift register unit including a second clock signal terminal, and an (n+2)-th shift register unit including an (n+2)-th clock signal terminal. The gate driving circuit further includes a first clock signal line connected to the first clock signal terminal and the (n+1)-th clock signal terminal, and a second clock signal line connected to the second clock signal terminal and the (n+2)-th clock signal terminal.

A gate driving circuit and a display panel are provided. The gate driving circuit includes a plurality of shift register units as cascaded, and the plurality of shift register units as cascaded includes a first shift register unit including a first clock signal terminal, an (n+1)-th shift register unit including an (n+1)-th clock signal terminal, a second shift register unit including a second clock signal terminal, and an (n+2)-th shift register unit including an (n+2)-th clock signal terminal. The gate driving circuit further includes a first clock signal line connected to the first clock signal terminal and the (n+1)-th clock signal terminal, and a second clock signal line connected to the second clock signal terminal and the (n+2)-th clock signal terminal.

A method of operating a display system consisting of a plurality of light emitting diodes (LEDs) is disclosed. The LEDs are arranged in a plurality of groups and an integrated circuit provides power to the LEDs through a plurality of output pins connected to respective groups. The integrated circuit selectively determines the states of the output pins to illuminate the groups of LEDs in a repeating sequence such that each group is illuminated for a time dependent on a number of groups and a compensation factor. The compensation factor is dependent on at least a number of LEDs in the group.

A thermostatic radiator valve supports a display that is configurable to display TRV information for a desired viewing direction to facilitate reading by a user, where the TRV comprises a configurable electronic display, a configuration circuit, and a processing device. The configuration circuit is capable of detecting when the TRV has been installed, determining a desired display orientation from a plurality of orientations with respect to a designated surface via a sensor in response to the detecting, and generating a display indicator indicative of the desired display orientation. The processing device is capable of receiving the display indicator and configuring the configurable electronic display to display the TRV information in the desired display orientation.

A LED sign which can be programmed to display a desired message can be made utilizing a sign kit comprising (1) one or more faces, wherein each face is comprised of a plurality light emitting diodes; (2) a receiver having erasable, programmable read-only memory and a USB printer port plug; (3) a power supply; and (4) a USB flash drive which is adapted to connecting to the receiver through the USB printer port plug; wherein the USB flash drive is programmed to reset the erasable, programmable read-only memory of the receiver by erasing any preexisting data which may reside in the read-only memory of the receiver and to program the erasable, programmable read-only memory with auto executing script to set the desired message to be displayed. The LED sign can be mounted on a trailer for display as the sign is moving or for display in a stationary location.

A LED sign which can be programmed to display a desired message can be made utilizing a sign kit comprising (1) one or more faces, wherein each face is comprised of a plurality light emitting diodes; (2) a receiver having erasable, programmable read-only memory and a USB printer port plug; (3) a power supply; and (4) a USB flash drive which is adapted to connecting to the receiver through the USB printer port plug; wherein the USB flash drive is programmed to reset the erasable, programmable read-only memory of the receiver by erasing any preexisting data which may reside in the read-only memory of the receiver and to program the erasable, programmable read-only memory with auto executing script to set the desired message to be displayed. The LED sign can be mounted on a trailer for display as the sign is moving or for display in a stationary location.

A pixel driving method of a display panel is disclosed. The display panel includes a plurality of scan lines, data lines and pixels. Each of the pixel includes a first transistor with a first end coupled to the data line, and a gate end coupled to the scan line, a second transistor with a first end selectively coupled to a voltage source or current source, and a gate end coupled to a second end of the first transistor, and a light-emitting unit with a first end coupled to a second end of the second transistor. The method includes turning on the first transistors of the pixels; coupling the data lines and first ends of the second transistors to the current source; reading voltage levels of gate ends of the second transistors; and providing corresponding data voltages to the pixels according to voltage levels of gate ends of the second transistors.

A pixel driving method of a display panel is disclosed. The display panel includes a plurality of scan lines, data lines and pixels. Each of the pixel includes a first transistor with a first end coupled to the data line, and a gate end coupled to the scan line, a second transistor with a first end selectively coupled to a voltage source or current source, and a gate end coupled to a second end of the first transistor, and a light-emitting unit with a first end coupled to a second end of the second transistor. The method includes turning on the first transistors of the pixels; coupling the data lines and first ends of the second transistors to the current source; reading voltage levels of gate ends of the second transistors; and providing corresponding data voltages to the pixels according to voltage levels of gate ends of the second transistors.

A display device includes a plurality of latch circuits which latch gradation data that is used to drive a plurality of data lines, a plurality of D/A converters which convert gradation data that is latched to the plurality of latch circuits to a plurality of analog signals, a plurality of amplifiers which generate a plurality of gradation signals by respectively amplifying the plurality of analog signals output from the plurality of D/A converters, and an analysis circuit that analyses gradation data that is latched to the plurality of latch circuits and reduces direct current that flows in at least one amplifier or at least one D/A converter according to an analysis result.