Display device, control method and non-transitory computer readable storage medium
A display device, comprising a display panel, a driving circuit, a connection port, a connection port and a power supply circuit. The driving circuit is configured to drive the display panel with a driving power. The power transmission circuit is configured to output an output power to the connection port. The power supply circuit is configured to supply power to the driving circuit and the power transmission circuit. The plurality of sensors is configured to sense at least one of a usage state and an environmental state of the display device and generate a detection signal. The processing circuit is coupled to the driving circuit, the power supply circuit, the power transmission circuit and the sensing circuit. The processing circuit is configured to determine the present operation state, so as to control the power supply circuit to dynamically adjust power distribution of the power supply circuit.
1 . A display device, comprising:
a display panel;
a driving circuit, coupled to the display panel, configured to drive the display panel with a driving power;
a connection port electrically connected to an external device;
a power transmission circuit coupled to the connection port, configured to output an output power to the connection port;
a power supply circuit, coupled to the driving circuit and the power transmission circuit, configured to supply power to the driving circuit and the power transmission circuit;
a plurality of sensors selected from a group comprising: a thermal sensor, a light sensor, a human body sensor, and an orientation sensor, the plurality of sensors configured to sense at least one of a usage state and an environmental state of the display device and generate a detection signal corresponding to present operation state of the display device, wherein the plurality of sensors is configured to detect an internal temperature of the display device to generate the detection signal; and
a processing circuit, coupled to the driving circuit, the power supply circuit, the power transmission circuit and the plurality of sensors, configured to determine a present operation state of the display device according to the detection signal, control the power supply circuit to dynamically adjust power distribution of the power supply circuit, wherein allocations of the driving power of the driving circuit and the output power of the power transmission circuit are dynamically adjusted, and wherein when the internal temperature is greater than a threshold value, the processing circuit decreases the driving power and the output power.
2 . The display device of claim 1 , wherein the display panel comprises a light source driving unit, and the light source driving unit is configured to receive the driving power to adjust a display brightness of the display panel.
3 . The display device of claim 1 , wherein the plurality of sensors is configured to detect an ambient light corresponding to the display panel or an object recognition signal outside the display device to generate the detection signal.
4 . The display device of claim 3 , wherein the processing circuit is configured to compare the ambient light and a display brightness of the display panel, when the display brightness is greater than the ambient light and a difference between the display brightness and the ambient light is greater than a brightness threshold value, the processing circuit decreases the driving power.
5 . The display device of claim 3 , wherein when the processing circuit determines the object recognition signal outside the display device is lower than a first threshold, the processing circuit decreases the driving power.
6 . The display device of claim 3 , wherein when the processing circuit determines the object recognition signal is lower than a first threshold, and the ambient light or the internal temperature is lower than a second threshold, the processing circuit decreases the driving power and increases the output power.
7 . The display device of claim 1 , wherein when the internal temperature returns to below the threshold value, the processing circuit first increases the driving power and then increases the output power.
8 . The display device of claim 1 , wherein the display device comprises a monitor and a docking base, the plurality of sensors is configured to detect a setting angle between the monitor and the docking base, and the processing circuit is configured to adjust a magnitude of the driving power and a magnitude of the output power according to the setting angle.
9 . The display device of claim 1 , wherein the connection port is a Type-C universal serial bus connector.
10 . A control method of a display device comprising a display panel, a driving circuit, a connection port, a power transmission circuit, a power supply circuit, a plurality of sensors, and a processing circuit, the control method comprising:
the plurality of sensors sensing at least one of a usage state and an environmental state of the display device and generating a detection signal, wherein generating the detection signal comprises detecting an internal temperature of the display device;
the processing circuit determining a present operation state of the display device according to the detection signal;
the processing circuit controlling the power supply circuit to dynamically adjust power distribution of the power supply circuit, wherein a driving power of the driving circuit and an output power of the power transmission circuit are selectively adjusted, wherein selectively adjusting the driving power and the output power comprises: when the internal temperature is greater than a threshold value, decreasing the driving power and the output power;
outputting the driving power to drive the display panel; and
outputting the output power to the connection port, wherein the connection port is electrically connected to an external device.
11 . The control method of claim 1 , wherein the plurality of sensors sensing at least one of the usage state and the environmental state of the display device and generating the detection signal comprises:
detecting an ambient light corresponding to the display panel or an object recognition signal outside the display device.
12 . The control method of claim 11 , wherein the processing circuit controlling the power supply circuit to dynamically adjust power distribution of the power supply circuit comprises:
comparing the ambient light and a display brightness of the display panel; and
when the display brightness is greater than the ambient light, and a difference between the display brightness and the ambient light is greater than a brightness threshold value, decreasing the driving power.
13 . The control method of claim 11 , wherein the processing circuit controlling the power supply circuit to dynamically adjust power distribution of the power supply circuit comprises:
when determining the object recognition signal outside the display device is lower than a first threshold, decreasing the driving power.
14 . The control method of claim 11 , wherein the processing circuit controlling the power supply circuit to dynamically adjust power distribution of the power supply circuit comprises:
when the object recognition signal is lower than a first threshold, and the ambient light or the internal temperature is lower than a second threshold, decreasing the driving power and increasing the output power.
15 . The control method of claim 10 , wherein the processing circuit controlling the power supply circuit to dynamically adjust power distribution of the power supply circuit comprises:
when the internal temperature returns to below the threshold value, first increasing the driving power and then increasing the output power.
16 . The control method of claim 10 , wherein the display device comprises a monitor and a docking base, the monitor is connected to the docking base, and the plurality of sensors sensing at least one of the usage state and the environmental state of the display device and generating the detection signal comprises:
detecting a setting angle between the monitor and the docking base.
17 . A non-transitory computer readable storage medium, applied to a display device, and stored at least one computer readable instruction, wherein the at least one computer readable instruction is executed by a processing circuit to perform a control method, and the control method comprises:
obtaining a detection signal from a plurality of sensors of the display device, wherein the detection signal is generated by the plurality of sensors according to at least one of a usage state and an environmental state of the display device, wherein obtaining the detection signal comprises detecting an internal temperature of the display device to generate the detection signal;
determining a present operation state of the display device according to the detection signal;
controlling a power supply circuit of the display device to dynamically adjust power distribution of the power supply circuit, wherein allocations of a driving power of a driving circuit and an output power of a power transmission circuit in the display device are dynamically adjusted, wherein dynamically adjusting the allocations of the driving power and the output power comprises: when the internal temperature is greater than a threshold value, decreasing the driving power and the output power;
controlling the power supply circuit to output the driving power to drive a display panel of the display device; and
controlling the power transmission circuit to output the output power to a connection port, wherein the connection port is electrically connected to an external device.
18 . The non-transitory computer readable storage medium of claim 17 , wherein obtaining the detection signal from the plurality of sensors of the display device comprises:
detecting an ambient light corresponding to the display panel or an object recognition signal outside the display device to generate the detection signal.