CN218826158U - Portable display - Google Patents
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- CN218826158U CN218826158U CN202221838952.7U CN202221838952U CN218826158U CN 218826158 U CN218826158 U CN 218826158U CN 202221838952 U CN202221838952 U CN 202221838952U CN 218826158 U CN218826158 U CN 218826158U
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Abstract
The application is applicable to the technical field of display, and provides a portable display, which comprises a control module, a display screen and a power supply communication module; the power supply communication module is configured to obtain the maximum output power of the power adapter and send the maximum output power to the control module; the control module is configured to: determining the corresponding maximum brightness according to the maximum output power; if a brightness adjusting instruction input by a user through a man-machine interaction device is received, determining the brightness expected by the user according to the brightness adjusting instruction; if the brightness expected by the user is less than or equal to the maximum brightness, adjusting the brightness of the display screen to the brightness expected by the user; if the brightness expected by the user is greater than the maximum brightness, controlling the human-computer interaction device to output prompt information for prompting the maximum brightness; under the condition that the hardware cost is not increased, the requirement that the brightness of the display screen is adjusted by a user according to actual needs is met, corresponding prompt information is output when the brightness expected by the user exceeds the brightness range, and the portable display is prevented from being restarted.
Description
Technical Field
The application belongs to the technical field of display, and particularly relates to a portable display.
Background
With the development of display technology, various types of portable displays, such as a competitive portable display, have been developed. The portable display is small and flexible, and can be connected with a plurality of devices, such as a notebook computer, a mobile phone, a game machine, a tablet computer and other computing devices. However, when the portable display is connected to the computing device, because each power adapter can provide different output powers to the portable display, in order to enable the portable display to work normally at a lower output power, the default brightness of the portable display is usually lower (e.g., 90 nit), when the user adjusts the brightness of the portable display to a higher brightness (e.g., 250 nit) higher than the default brightness, the brightness of the portable display is automatically reduced to the default brightness, and at this time, if the user adjusts the brightness to be higher again, the portable display is automatically restarted and the brightness after the restart still jumps to the default brightness.
SUMMERY OF THE UTILITY MODEL
In view of this, embodiments of the present disclosure provide a portable display device to solve the problem that the conventional portable display device cannot be adjusted to a higher brightness higher than the default brightness, and if the conventional portable display device is forcibly adjusted, the conventional portable display device is automatically restarted and the brightness after the restart still jumps to the default brightness.
The embodiment of the application provides a portable display, which comprises a control module, a display screen and a power supply communication module;
the control module is respectively connected with the display screen and the power supply communication module;
the power supply communication module is configured to obtain the maximum output power of a power adapter and send the maximum output power to the control module after the power adapter is connected;
the control module is configured to:
determining the corresponding maximum brightness according to the maximum output power;
if a brightness adjusting instruction input by a user through a man-machine interaction device is received, determining the brightness expected by the user according to the brightness adjusting instruction;
if the brightness expected by the user is smaller than or equal to the maximum brightness, adjusting the brightness of the display screen to the brightness expected by the user;
and if the brightness expected by the user is greater than the maximum brightness, controlling the human-computer interaction device to output prompt information for prompting the maximum brightness.
In one embodiment, the power supply communication module comprises a power supply communication interface and a power supply communication chip;
the power supply communication interface is respectively connected with the control module and the power supply communication chip, and the power supply communication chip is connected with the control module;
the power supply communication chip is configured to determine the maximum output power of the power adapter according to a power supply protocol after the power supply communication interface is connected with the power adapter, and send the maximum output power to the control module through an I2C protocol.
In one embodiment, the power supply communication module comprises a plurality of power supply communication interfaces, a power supply communication chip and a plurality of switch chips;
each power supply communication interface is respectively connected with the control module, the power supply communication chip and one switch chip, the power supply communication chip is connected with the control module, and the switch chip is respectively connected with the control module and the power supply communication chip;
wherein one of the power communication interfaces is configured to connect to a power adapter;
the rest of the power supply communication interface is configured to be connected with a human-computer interaction device or a computing device;
the power supply communication chip is configured to determine the maximum output power of the power adapter according to a power supply protocol after one power supply communication interface is connected with the power adapter, and send the maximum output power to the control module through an I2C protocol.
In one embodiment, the power supply communication interface is a USB interface, the power supply communication chip is a PD chip, and the power supply protocol is a PD protocol.
In one embodiment, the USB interface is a USB Type-C interface.
In one embodiment, the backlight control end of the control module is connected to the backlight source of the display screen, and the display signal end of the control module is connected to the display signal interface of the display screen.
In one embodiment, the display signal interface is a low voltage differential signal interface or a digital display interface.
In one embodiment, the portable display further comprises a keyboard interface, an audio interface and a high-definition multimedia interface respectively connected with the control module.
In one embodiment, the human-computer interaction device comprises at least one of a physical key, a touch sensor, a gesture recognition sensor, an audio acquisition device and an audio playing device.
In one embodiment, the touch sensor and the display screen together form a touch display screen.
The portable display provided by the embodiment of the application comprises a control module, a display screen and a power supply communication module; the control module is respectively connected with the display screen and the power supply communication module; the power supply communication module is configured to obtain the maximum output power of the power adapter and send the maximum output power to the control module after the power adapter is connected; the control module is configured to: determining the corresponding maximum brightness according to the maximum output power; if a brightness adjusting instruction input by a user through a man-machine interaction device is received, determining the brightness expected by the user according to the brightness adjusting instruction; if the brightness expected by the user is less than or equal to the maximum brightness, adjusting the brightness of the display screen to the brightness expected by the user; if the brightness expected by the user is greater than the maximum brightness, controlling the human-computer interaction device to output prompt information for prompting the maximum brightness; under the condition of not increasing hardware cost, the requirement of a user for adjusting the brightness of the display screen according to actual needs is met within the brightness range supported by the maximum output power of the power adapter, corresponding prompt information is output when the brightness expected by the user exceeds the brightness range, and the portable display is prevented from being restarted.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic view of a first structure of a portable display provided in an embodiment of the present application;
FIG. 2 is a schematic diagram of a second structure of a portable display provided in an embodiment of the present application;
FIG. 3 is a schematic diagram of a third structure of a portable display provided in an embodiment of the present application;
FIG. 4 is a diagram illustrating a fourth structure of a portable display according to an embodiment of the present disclosure;
fig. 5 is a schematic diagram of a fifth structure of a portable display provided in an embodiment of the present application.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort shall fall within the protection scope of the present application.
The term "comprising" and any variations thereof in the description and claims of this application and the above-described drawings are intended to cover non-exclusive inclusions. Further, the term "plurality" means "two or more".
As shown in fig. 1, the embodiment of the present application provides a portable display 100, which includes a control module 1, a display screen 2, and a power supply communication module 3;
the control module 1 is respectively connected with the display screen 2 and the power supply communication module 3;
after the power supply communication module 3 is connected to the power adapter 200 and in the process of powering on and starting the portable display 100, the power supply communication module 3 obtains the maximum output power of the power adapter 200 and sends the maximum output power to the control module 1;
the control module 1 determines corresponding default brightness and maximum brightness according to the maximum output power of the power adapter 200;
the control module 1 controls the display screen 2 to be lightened at default brightness;
after controlling the display screen 3 to be lighted up at the default brightness, the control module 1 detects whether a brightness adjusting instruction input by a user through the human-computer interaction device 300 is received;
if the control module 1 receives a brightness adjusting instruction, determining the brightness expected by a user according to the brightness adjusting instruction;
if the brightness expected by the user is less than or equal to the maximum brightness, the control module 1 adjusts the brightness of the display screen 2 to the brightness expected by the user;
if the brightness desired by the user is greater than the maximum brightness, the control module 1 controls the human-computer interaction device 300 to output prompt information for prompting the maximum brightness.
In Application, the control module is a main board of the portable display, the main board includes a display Processing chip (Scaler chip), the display Processing chip may be a Central Processing Unit (CPU), or other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other Programmable logic device, a discrete Gate or transistor logic device, a discrete hardware component, and the like. The general purpose processor may be a microprocessor or any conventional processor or the like. For example, the processing chip is shown as a NT68876 chip.
In application, the Display screen may be a Liquid Crystal Display (LCD), an Organic electroluminescent Display (OLED), a Quantum Dot Light Emitting diode (QLED), a curved Display screen, or the like.
In application, the Power supply communication module may include a Power supply communication interface and a Power supply communication chip, where the Power supply communication interface may be a Universal Serial Bus (USB) interface, and correspondingly, the Power supply communication chip may be a Power Delivery (PD) chip. The USB interface can be a USB Type-C interface, and the PD chip can be an LDR6282 Type chip.
In application, the human-computer interaction device may include an entity key, a touch sensor, a gesture recognition sensor, an audio acquisition device, an audio playing device, and the like, the entity key may be a keyboard, the gesture sensor may be implemented by a camera, the touch sensor may form a touch display screen together with the display screen, the audio acquisition device may include a microphone and an audio processing chip, and the audio playing device may include a speaker and an audio processing chip. The man-machine interaction device is arranged on or connected with the portable display, and also can be arranged on or connected with computing equipment connected with the portable display.
In application, in the process of each power-on start of the portable display, before the control module controls the display screen to be lightened at the default brightness, the control module firstly acquires the maximum output power of the power adapter currently connected with the power supply communication module, then determines the default brightness and the maximum brightness corresponding to the maximum output power according to the maximum output power, and after the power-on start of the portable display, controls the display screen to be lightened at the default brightness.
In application, after the portable display is powered on and started every time, the control module firstly controls the display screen to be lightened at default brightness, and then a user can input a brightness adjusting instruction through any human-computer interaction mode supported by the portable display at any time according to actual brightness requirements so as to trigger the control module to adjust the brightness of the display screen.
In application, the human-computer interaction modes supported by the portable display device may include but are not limited to a key control mode, a touch control mode, a gesture control mode, an audio control mode, and the like, and accordingly, the human-computer interaction devices for implementing these human-computer interaction modes may include an entity key, a touch sensor, a gesture recognition sensor, an audio acquisition device, and the like, the entity key may be a keyboard, the gesture sensor may be implemented by a camera, the touch sensor may form a touch display screen together with the display screen, and the audio acquisition device may include a microphone and an audio processing chip. The man-machine interaction device is arranged on or connected with the portable display, and also can be arranged on or connected with computing equipment connected with the portable display.
In an application, the computing device may be a Mobile phone, a game console, a wearable device, an Augmented Reality (AR)/Virtual Reality (VR) device, a tablet Computer, a notebook Computer, a netbook, a Personal Digital Assistant (PDA), an Ultra-Mobile Personal Computer (UMPC), a Personal Computer (PC), or the like.
In application, after receiving a brightness adjusting instruction, a control module firstly analyzes the brightness adjusting instruction and identifies the brightness adjusting instruction as corresponding brightness expected by a user; and then comparing the brightness expected by the user with the maximum brightness supported by the portable display through a comparator, if the brightness expected by the user is less than or equal to the maximum brightness, adjusting the brightness of the display screen to the brightness expected by the user, otherwise, outputting prompt information to remind the user of the maximum brightness which can be currently achieved by the display screen, and if the brightness expected by the user exceeds the maximum brightness, forcibly adjusting the brightness to cause the portable display to restart and blank the display. The prompt information may be output in any human-computer interaction manner supported by the portable display, for example, based on display information displayed on the display screen, or based on audio information played by the audio playing device, and the display screen may be a touch display screen with a touch function, and the audio playing device may include a speaker and an audio processing chip. The specific content of the hint information can be set according to actual needs, for example, "the maximum brightness is Xnit" and "the maximum brightness cannot exceed Xnit" related to the maximum brightness. The prompt may also be used to prompt the user to replace a more powerful power adapter, for example, "power adapter is not enough, please change power adapter and then turn up brightness".
In application, after receiving the brightness adjustment instruction, the control module may control the display screen to display a brightness adjustment menu interface, where the brightness adjustment menu interface may be used to display the current brightness and the brightness adjustment progress bar. When the prompt message is the display message, the brightness adjustment menu interface is also used for displaying the prompt message.
In application, the default brightness and the maximum brightness are determined according to the maximum output power of the power adapter currently accessed by the power supply communication module, the larger the maximum output power of the power adapter currently accessed by the power supply communication module is, the larger the maximum brightness is, and the default brightness is smaller than the maximum brightness. The default brightness can also be set to be a fixed value, the fixed value is determined according to the maximum output power of the target power adapter with the minimum maximum output power among all power adapters to which the power supply communication module can be connected, and the fixed value is smaller than the maximum brightness determined according to the maximum output power of the target power adapter.
In an application, the portable display may further comprise a memory connected to the control module. The memory may in some embodiments be an internal storage module of the portable display, e.g. a hard disk or a memory of the portable display. The memory may also be an external storage device for the portable display in other embodiments, such as a plug-in hard drive provided on the portable display, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), and the like. The memory may also include both an internal storage module and an external storage device for the portable display. The memory is used to store data such as default brightness, maximum brightness, prompt information, etc. The memory may also be used to temporarily store data that has been output or is to be output.
As shown in fig. 2, in an embodiment, the backlight control terminal 11 of the control module 1 is connected to the display screen 2, including the backlight source 21, and the display signal terminal 12 of the control module 1 is connected to the display signal interface 22 of the display screen 2.
In application, if the brightness desired by the user is less than or equal to the maximum brightness, the control module adjusts the backlight current intensity of the display screen according to the brightness desired by the user to adjust the brightness of the display screen to the brightness desired by the user, specifically, the control module controls the backlight control end of the control module to output a Pulse Width Modulation (PWM) signal corresponding to the brightness desired by the user to the backlight source, and adjusts the brightness of the display screen to the brightness desired by the user by adjusting the backlight current intensity of the backlight source.
In an application, the Display signal interface may be a Low-Voltage Differential Signaling (LVDS) interface or a digital Display interface (DP), and the digital Display interface may specifically be an EDP (Embedded Display Port) interface.
As shown in fig. 3, in one embodiment, the power supply communication module 3 includes a power supply communication interface 31 and a power supply communication chip 32;
the power supply communication interface 31 is respectively connected with the control module 1 and the power supply communication chip 32, and the power supply communication chip 32 is connected with the control module 1;
the power supply communication interface 31 is configured to connect the power adapter 200;
the power supply communication chip 32 is configured to determine the maximum output power of the power adapter 200 according to the power supply protocol after the power supply communication interface 31 is connected to the power adapter 200, and transmit the maximum output power to the control module 1 through the I2C protocol.
In application, the power supply communication module is used for determining the maximum output power of the power adapter connected with the power adapter after the power adapter is connected, and sending the maximum output power to the control module.
In application, when the power supply communication module comprises a power supply communication interface and a power supply communication chip, the power supply communication interface is used for connecting the power adapter, and the power supply communication chip is used for determining the maximum output power of the power adapter according to a power supply protocol after the power supply communication interface is connected with the power adapter, and sending the maximum output power to the control module through an Inter-Integrated Circuit (I2C) protocol.
In application, the power supply communication interface is a USB interface, the power supply communication chip is a PD chip, and the power supply protocol is a PD protocol.
In application, when the power supply communication module comprises a USB interface and a PD chip, the power supply communication module has power supply and communication functions and is defined as the power supply communication module, and the power supply communication module can be used for connecting a power adapter and computing equipment and can also be used for connecting human-computer interaction equipment such as a keyboard, a camera, a microphone and a loudspeaker. The portable display may include a plurality of powered communication modules, one of which is for connection to a power adapter and the other of which is for connection to a computing device or human interaction device.
In application, the power supply communication chip may store in advance a corresponding relationship between each maximum output power and the corresponding default brightness and maximum brightness, where the corresponding relationship may be a mapping relationship, may exist in the form of a corresponding relationship table or a look-up table (LUT), and may also be implemented by other data tables or Random Access Memory (RAM) type storage media having input data with the same function as the LUT, that is, input data corresponding to the input data may be looked up.
As shown in table one, a corresponding relationship table between the maximum output power and the corresponding maximum brightness is exemplarily shown; the maximum output powers of 6 watts (W), 8W, 10W, and 12W correspond to the maximum luminances of 20nit, 40nit, 60nit, and 80nit, respectively.
| Maximum output power | 6W | 8W | 10W | 12W |
| Maximum brightness | 20nit | 40nit | 60nit | 80nit |
As shown in fig. 4, in one embodiment, the power supply communication module 3 includes a plurality of power supply communication interfaces 31, a power supply communication chip 32, and a plurality of Switch (Switch) chips 33;
each power supply communication interface 31 is respectively connected with the control module 1, the power supply communication chip 32 and a switch chip 33, the power supply communication chip 32 is connected with the control module 1, and the switch chip 33 is respectively connected with the control module 1 and the power supply communication chip 32;
one of the power supply communication interfaces 31 is configured to connect the power adapter 200;
the remaining power supply communication interface 31 is configured to connect the human-computer interaction device 300 or the computing device 400;
the power supply communication chip 32 is configured to determine the maximum output power of the power adapter 200 according to the power supply protocol after one power supply communication interface 31 is connected to the power adapter 200, and transmit the maximum output power to the control module 1 through the I2C protocol.
In application, the USB interface may be a USB Type-C interface, the switch chip may be an SGH7227 Type chip, and the PD chip may be an LDR6282 Type chip. Through adopting a plurality of the same USB Type-C interfaces that can blindly insert for portable display can be through arbitrary USB Type-C interface connection power adapter, and remaining interface connection computing device or man-machine interaction device need not distinguish the port, convenient connection.
As shown in fig. 5, in one embodiment, the portable display 100 further includes a keyboard (Key) Interface 4, an Audio (Audio) Interface 5, and a High Definition Multimedia Interface (HDMI) 6, which are respectively connected to the control module 1.
In application, the keyboard interface may be a PS/2 interface or a USB interface, and the Audio interface may be a Digital Audio Interface (DAI), an analog Audio interface (RCA) interface or a USB interface.
In application, it will be understood by those skilled in the art that fig. 1 to 5 are merely examples of the portable display, and do not constitute a limitation to the portable display, and may include more or less components than those shown, or some components may be combined, or different components may be included, for example, a network access device, etc. The network access device may include a communication module for communicating with other devices.
In application, the Communication module may be configured as any device capable of performing wired or Wireless Communication with other devices directly or indirectly according to actual needs, for example, the Communication module may provide a solution for Communication applied to a network device, including wired Local Area Networks (LAN), wireless Local Area Networks (WLAN) (e.g., wi-Fi Networks), bluetooth, zigbee, mobile Communication Networks, global Navigation Satellite Systems (GNSS), frequency Modulation (FM), near Field Communication (NFC), infrared (IR), and the like. The communication module may include an antenna, and the antenna may have only one array element, or may be an antenna array including a plurality of array elements. The communication module can receive electromagnetic waves through the antenna, frequency-modulate and filter electromagnetic wave signals, and send the processed signals to the processor. The communication module can also receive a signal to be sent from the processor, frequency-modulate and amplify the signal, and convert the signal into electromagnetic waves through the antenna to radiate the electromagnetic waves.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and reference may be made to the related descriptions of other embodiments for parts that are not described or illustrated in a certain embodiment.
The above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present application, and they should be construed as being included in the present application.
Claims (10)
1. A portable display is characterized by comprising a control module, a display screen and a power supply communication module;
the control module is respectively connected with the display screen and the power supply communication module;
the power supply communication module is configured to obtain the maximum output power of a power adapter and send the maximum output power to the control module after the power adapter is connected;
the control module is configured to:
determining the corresponding maximum brightness according to the maximum output power;
if a brightness adjusting instruction input by a user through a man-machine interaction device is received, determining the brightness expected by the user according to the brightness adjusting instruction;
if the brightness expected by the user is less than or equal to the maximum brightness, adjusting the brightness of the display screen to the brightness expected by the user;
and if the brightness expected by the user is greater than the maximum brightness, controlling the human-computer interaction device to output prompt information for prompting the maximum brightness.
2. The portable display of claim 1, wherein the powered communication module comprises a powered communication interface and a powered communication chip;
the power supply communication interface is respectively connected with the control module and the power supply communication chip, and the power supply communication chip is connected with the control module;
the power supply communication chip is configured to determine the maximum output power of the power adapter according to a power supply protocol after the power supply communication interface is connected with the power adapter, and send the maximum output power to the control module through an I2C protocol.
3. The portable display of claim 1, wherein the power communication module comprises a plurality of power communication interfaces, a power communication chip, and a plurality of switch chips;
each power supply communication interface is respectively connected with the control module, the power supply communication chip and one switch chip, the power supply communication chip is connected with the control module, and the switch chip is respectively connected with the control module and the power supply communication chip;
wherein one of the power communication interfaces is configured to connect to a power adapter;
the rest of the power supply communication interface is configured to be connected with a human-computer interaction device or a computing device;
the power supply communication chip is configured to determine the maximum output power of a power adapter according to a power supply protocol after one power supply communication interface is connected with the power adapter, and send the maximum output power to the control module through an I2C protocol.
4. The portable display of claim 2 or 3, wherein the power communication interface is a USB interface, the power communication chip is a PD chip, and the power protocol is a PD protocol.
5. The portable display of claim 4, wherein the USB interface is a USB Type-C interface.
6. The portable display of any one of claims 1-3, wherein a backlight control end of the control module is connected with a backlight source of the display screen, and a display signal end of the control module is connected with a display signal interface of the display screen.
7. The portable display of claim 6, wherein the display signal interface is a low voltage differential signal interface or a digital display interface.
8. The portable display of any one of claims 1 to 3, further comprising a keyboard interface, an audio interface, and a high definition multimedia interface respectively connected to the control module.
9. The portable display of any one of claims 1 to 3, wherein the human-computer interaction device comprises at least one of a physical key, a touch sensor, a gesture recognition sensor, an audio capture device, and an audio playback device.
10. The portable display of claim 9, wherein the touch sensor and the display screen together form a touch display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221838952.7U CN218826158U (en) | 2022-07-15 | 2022-07-15 | Portable display |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221838952.7U CN218826158U (en) | 2022-07-15 | 2022-07-15 | Portable display |
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| CN218826158U true CN218826158U (en) | 2023-04-07 |
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| CN202221838952.7U Active CN218826158U (en) | 2022-07-15 | 2022-07-15 | Portable display |
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