CN210129131U - Double-screen notebook computer - Google Patents
Double-screen notebook computer Download PDFInfo
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- CN210129131U CN210129131U CN201921387601.7U CN201921387601U CN210129131U CN 210129131 U CN210129131 U CN 210129131U CN 201921387601 U CN201921387601 U CN 201921387601U CN 210129131 U CN210129131 U CN 210129131U
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Abstract
The utility model discloses a double-screen notebook computer, which comprises a computer body part and a display part, wherein the computer body part comprises an internal host and a keyboard at the upper end, and a CPU and an EC chip are arranged in the host; the display part comprises a main screen and an auxiliary screen, and the main screen and the auxiliary screen are respectively connected with the circuit of the computer body part; the CPU is connected with the EC chip circuit, the EC chip is respectively connected with the main screen and the auxiliary screen circuit, and the EC chip controls the on-off state of the main screen and/or the auxiliary screen by controlling the backlight voltage control signal. The utility model can directly close one of the display screens under the normal working condition, thereby changing the double-screen display mode into the single-screen display mode, realizing the function of turning off the screen by one key and generating no extra power consumption; when needs switch into the double screen mode with single screen mode, the display screen that can close is opened to the key in the same way, and easy operation is convenient and power saving economizes the consumption, and the person's of facilitating the use operation saves time, improves and uses and experiences the sense.
Description
Technical Field
The utility model belongs to the technical field of the computer, concretely relates to double screen notebook computer.
Background
In the prior art, the display output device of the dual-screen notebook computer generally outputs and displays simultaneously, and the display screen cannot be turned off in the working mode, and the display screen can be turned off only when the notebook computer is turned off or enters a sleep mode. In the actual use process of the double-screen notebook computer, double-screen display is sometimes needed, and only single-screen display is sometimes needed; when only single-screen display is needed, double screens are displayed, resources are wasted, but in the prior art, it is inconvenient to close one of the display screens under the condition that the double-screen notebook computer works to switch to a single-screen display mode, and unless shutdown or dormancy is performed, the experience feeling of a user is poor, and thinking and time waste are easily interrupted.
Disclosure of Invention
In order to solve the above problem, the utility model provides a double screen notebook computer, technical scheme is as follows:
the utility model discloses a double screen notebook computer need not to set up under the condition of display mode and directly closes one of them display screen when main screen and vice screen simultaneous display to double screen display becomes single-screen display mode, and the display screen also can be opened by a key to the same reason, closes the operation as desk office like the display, and is more simple and accomplish the application that the power saving economizes the consumption.
A double-screen notebook computer comprises a computer body part and a display part, wherein the computer body part comprises an internal host and a keyboard at the upper end, and a CPU and an EC chip are arranged in the host; the display part comprises a main screen and an auxiliary screen, and the main screen and the auxiliary screen are respectively connected with the circuit of the computer body part; the CPU is connected with the EC chip circuit, the EC chip is respectively connected with the main screen and the auxiliary screen circuit, and the EC chip controls the on-off state of the main screen and/or the auxiliary screen by controlling the backlight voltage control signal.
The CPU sends a backlight voltage control signal to the EC chip, the EC chip expands the backlight voltage control signal and sends the backlight voltage control signal to the main screen and/or the auxiliary screen, and the EC chip opens and closes the backlight power supply voltage by opening and closing the backlight voltage control signal so as to control the opening and closing state of the main screen and/or the auxiliary screen.
The double-screen notebook computer is also provided with a screen control module, the EC chip is in circuit connection with the screen control module, the screen control module sends an instruction to the EC chip, and the EC chip receives and identifies the instruction to control a backlight voltage control signal so as to further control the opening and closing of the main screen and/or the auxiliary screen.
The screen control module can be arranged on the keyboard and consists of keys on the keyboard.
The screen control module can also be a switch screen key arranged on the double-screen notebook computer, and the switch screen key is connected with the EC chip circuit. The switch screen key is powered by VCC, and a resistor R1 is further arranged between the switch screen key and a circuit connected with VCC.
The utility model has the advantages that: the shape of the double-screen notebook computer is not required to be additionally changed, the main screen or the auxiliary screen is not required to be closed by shutting down under the condition that the double-screen notebook computer normally works, and the main screen or the auxiliary screen can be directly closed by a key, so that the double-screen display mode is changed into a single-screen display mode, the function of shutting down the screen by one key is realized, and the extra power consumption is not generated; when needs switch into the double screen mode with single screen mode, the display screen that can close is opened to the key in the same way, and easy operation is convenient and power saving economizes the consumption, and the person's of facilitating the use operation saves time, improves and uses and experiences the sense.
Drawings
FIG. 1 is a schematic diagram of the structure of the embodiment in example 1;
FIG. 2 is a schematic diagram of the structure of the implementation in example 2.
Detailed Description
The technical solution of the present invention will be further described with reference to the following examples.
Example 1
A double-screen notebook computer comprises a computer body part and a display part, wherein the computer body part comprises an internal host and a keyboard at the upper end, components such as a CPU (Central processing Unit) and an EC (embedded control Unit) chip are arranged in the host, and keys are arranged on the keyboard.
The display part comprises a main screen and an auxiliary screen, and the main screen and the auxiliary screen are respectively connected with the computer body part through circuits. When both the main screen and the sub screen are turned on, the both display the same content.
The CPU is connected with the EC chip circuit, and the EC chip is respectively connected with the main screen circuit and the auxiliary screen circuit. The double-screen notebook computer is also provided with a screen control module, the screen control module is arranged on the keyboard and consists of keys on the keyboard, and the screen control module can consist of one key on the keyboard or two or more keys on the keyboard which are matched with each other. The screen control module is connected with the EC chip circuit, and the screen control module on the operation keyboard can send an instruction to the EC chip.
The CPU can send a backlight voltage control signal to the EC chip, and the EC chip expands the received backlight voltage control signal and sends the backlight voltage control signal to the main screen and/or the auxiliary screen. The EC chip controls the opening and closing of the main screen and/or the auxiliary screen by opening and closing the backlight voltage control signal. The EC chip starts a backlight voltage control signal of the main screen and/or the auxiliary screen, and then starts the backlight power supply voltage of the main screen and/or the auxiliary screen, so that the main screen and/or the auxiliary screen are/is started; and the EC chip closes the backlight voltage control signal of the main screen and/or the auxiliary screen, and closes the backlight supply voltage of the main screen and/or the auxiliary screen, so that the main screen and/or the auxiliary screen are closed.
The operation screen control module can send instructions to the EC chip. If the operation screen control module only consists of one key on the keyboard, the command can be set as a command for opening and closing the main screen or a command for opening and closing the auxiliary screen, and the preferred command is set as a command for opening and closing the auxiliary screen. After the instruction reaches the EC chip, the EC chip identifies the instruction and turns on and off the backlight voltage control signal according to the instruction to turn on and off the backlight power supply voltage so as to control the on and off of the main screen or the auxiliary screen.
If the operation screen control module is formed by two or more keys on the keyboard in a cooperative fit mode, a plurality of different instructions can be set, for example, an instruction for opening and closing the main screen and an instruction for opening and closing the auxiliary screen can be set, and different instructions can be sent by different key combinations. The EC chip receives the instruction sent by the screen control module, also identifies the instruction and controls the backlight voltage control signal according to the instruction so as to further distinguish whether to close and/or open the main screen and/or the auxiliary screen.
The operation flow of this embodiment can be as follows:
(1) switching on a power supply, starting a starting key, starting both the main screen and the auxiliary screen, and displaying the same content;
(2) in the working process of the embodiment, when the main screen and the auxiliary screen do not need to be simultaneously started, only one of the display screens needs to be reserved, and one of the display screens is closed, the screen control module can be operated to send an instruction to the EC chip, the EC chip receives the instruction and recognizes the instruction as a closing instruction, and the EC chip closes the backlight voltage control signal according to the closing instruction, namely closes the backlight power supply voltage of the main screen or the auxiliary screen so as to close the main screen or the auxiliary screen; the double-screen working mode is switched into a single-screen working mode;
(3) when the closed display screen needs to be opened, the screen control module only needs to be operated again to send an instruction to the EC chip, the EC chip receives the instruction and recognizes the instruction as an opening instruction, and the EC chip opens the backlight voltage control signal according to the opening instruction, namely, the backlight power supply voltage is opened so as to open the closed display screen; the single-screen mode of operation is switched to the dual-screen mode of operation.
The display screen closing device is simple in design, convenient to operate, capable of saving electric energy, free of shutdown and capable of closing the display screen like the prior art, complex, simple, time-saving, greatly convenient for users and improved in use experience.
Example 2
A double-screen notebook computer comprises a computer body part and a display part, wherein the computer body part comprises an internal host and a keyboard at the upper end, components such as a CPU (Central processing Unit) and an EC (embedded control Unit) chip are arranged in the host, and keys are arranged on the keyboard.
The display part comprises a main screen and an auxiliary screen, and the main screen and the auxiliary screen are respectively connected with the computer body part through circuits. When both the main screen and the sub screen are turned on, the both display the same content.
The CPU is connected with the EC chip circuit, and the EC chip is respectively connected with the main screen circuit and the auxiliary screen circuit. The double-screen notebook computer is also provided with a screen control module which is a switch screen key arranged on the double-screen notebook computer, and the switch screen key is in circuit connection with the EC chip.
The CPU can send a backlight voltage control signal to the EC chip, and the EC chip expands the received backlight voltage control signal and sends the backlight voltage control signal to the main screen and/or the auxiliary screen. The EC chip controls the opening and closing of the main screen and/or the auxiliary screen by opening and closing the backlight voltage control signal. The EC chip starts a backlight voltage control signal of the main screen and/or the auxiliary screen, and then starts the backlight power supply voltage of the main screen and/or the auxiliary screen, so that the main screen and/or the auxiliary screen are/is started; and the EC chip closes the backlight voltage control signal of the main screen and/or the auxiliary screen, and closes the backlight supply voltage of the main screen and/or the auxiliary screen, so that the main screen and/or the auxiliary screen are closed.
The switch screen key is supplied with power by VCC, a resistor R1 is further arranged between the switch screen key and a circuit connected with VCC, and the resistor R1 can play a role in limiting current. The switch screen key can send a command to the EC chip.
When the main screen and the auxiliary screen are started, a signal sent to the EC chip by default by a switch screen key is at a high level, and VCC is a voltage for pulling up the high level; when the switch screen key is pressed, the signal sent to the EC chip is changed into low level, namely, an instruction is sent to the EC chip to close the backlight voltage control signal so as to close the backlight power supply voltage, thereby achieving the purpose of closing the main screen and/or the auxiliary screen.
When the closed main screen and/or the closed auxiliary screen are/is required to be opened, the screen switch key is only required to be pressed again, the signal sent to the EC chip is at a low level, namely, an instruction is sent to the EC chip to start the backlight voltage control signal so as to start the backlight power supply voltage, and therefore the purpose of opening the main screen and/or the auxiliary screen is achieved.
The operation flow of this embodiment can be as follows:
(1) switching on a power supply, starting a starting-up key, starting both a main screen and an auxiliary screen, displaying the same content, and sending a high-level signal to an EC chip by default through a switch screen key;
(2) in the working process of the embodiment, when the main screen and the auxiliary screen do not need to be simultaneously started, only one of the display screens needs to be reserved, and one of the display screens is closed, then a screen switch key can be pressed to change a high-level signal into a low-level signal, the low-level signal is sent to the EC chip, the EC chip receives the signal and recognizes the signal as a closing instruction, and the EC chip closes a backlight voltage control signal according to the closing instruction, namely closes the backlight power supply voltage of the main screen or the auxiliary screen so as to close the main screen or the auxiliary screen; the double-screen working mode is switched into a single-screen working mode;
(3) when the closed display screen needs to be opened, the switch screen key is pressed again to send a low level signal to the EC chip, the EC chip receives the signal and recognizes the signal as an opening instruction, and the EC chip opens the backlight voltage control signal according to the opening instruction, namely, the backlight power supply voltage is opened so as to open the closed display screen; the single-screen mode of operation is switched to the dual-screen mode of operation.
The electric energy-saving device is simple in design and convenient to operate, electric energy can be saved, great convenience is brought to users, and use experience is improved.
Claims (6)
1. A double-screen notebook computer comprises a computer body part and a display part, wherein the computer body part comprises an internal host and a keyboard at the upper end, and a CPU and an EC chip are arranged in the host; the display part comprises a main screen and an auxiliary screen, and the main screen and the auxiliary screen are respectively connected with the circuit of the computer body part; the electronic ballast is characterized in that the CPU is in circuit connection with the EC chip, the EC chip is respectively in circuit connection with the main screen and the auxiliary screen, and the EC chip controls the opening and closing states of the main screen and/or the auxiliary screen by controlling a backlight voltage control signal.
2. The dual-screen notebook computer of claim 1, wherein the CPU sends a backlight voltage control signal to the EC chip, the EC chip expands the backlight voltage control signal and sends the backlight voltage control signal to the main screen and/or the sub-screen, and the EC chip turns on and off the backlight power supply voltage by turning on and off the backlight voltage control signal so as to control an on-off state of the main screen and/or the sub-screen.
3. The dual-screen notebook computer according to claim 2, wherein a screen control module is further provided on the dual-screen notebook computer, the EC chip is electrically connected to the screen control module, the screen control module sends an instruction to the EC chip, and the EC chip receives and recognizes the instruction to control the backlight voltage control signal, so as to further control the on/off of the main screen and/or the sub-screen.
4. The dual-screen notebook computer of claim 3, wherein the screen control module is disposed on the keyboard and is composed of keys on the keyboard.
5. The dual-screen notebook computer of claim 3, wherein the screen control module is a switch screen key arranged on the dual-screen notebook computer, and the switch screen key is in circuit connection with the EC chip.
6. The notebook computer with double screens as claimed in claim 5, wherein the switch screen key is powered by VCC, and a resistor R1 is further arranged between the circuit connecting the switch screen key and VCC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921387601.7U CN210129131U (en) | 2019-08-26 | 2019-08-26 | Double-screen notebook computer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921387601.7U CN210129131U (en) | 2019-08-26 | 2019-08-26 | Double-screen notebook computer |
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| Publication Number | Publication Date |
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| CN210129131U true CN210129131U (en) | 2020-03-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921387601.7U Active CN210129131U (en) | 2019-08-26 | 2019-08-26 | Double-screen notebook computer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111813457A (en) * | 2020-07-20 | 2020-10-23 | 四川长虹电器股份有限公司 | Device and method for timing startup and shutdown of multi-screen advertising machine |
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2019
- 2019-08-26 CN CN201921387601.7U patent/CN210129131U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111813457A (en) * | 2020-07-20 | 2020-10-23 | 四川长虹电器股份有限公司 | Device and method for timing startup and shutdown of multi-screen advertising machine |
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