TW201939301A - A coreless tablet computer and tablet computer - Google Patents

Abstract

A coreless tablet computer and a tablet computer are provided. The coreless tablet computer includes a housing; a touchpad; a Type-C input interface configured to perform data exchange with a smart terminal; a Type-C receiving and control module connected to the Type-C input interface; a touchpad control module, a power control module and an HDMI-to-EDP chip which are connected to the Type-C receiving and control module; a display screen interface connected to the HDMI-to-EDP chip; a sound module connected to the Type-C receiving and control module; and a charging interface connected to the power control module. The core processing component of the smart terminal is used as the core processing component of the coreless tablet computer, such that resources can be integrated and the cost of the tablet computer can be reduced.

Description

Coreless tablet computer and tablet computer

The invention relates to the technical field of electronic equipment, and in particular to a coreless tablet computer and a tablet computer.

Conventional mobile phones have small screens. In order to present more information, today's mobile phones generally have small fonts. The user experience is poor when playing, reading, or watching videos. Therefore, tablets have emerged as the times require, and tablets have a large screen. The characteristics of the tablet are well received by consumers. Although the conventional tablet computer has a large screen, it has high price and low practicability. For this reason, how to solve the problem of high price of the tablet computer has become a technology that people with ordinary knowledge in this field need to solve. One of the problems.

In view of this, embodiments of the present invention provide a coreless tablet computer and a tablet computer to reduce the cost of the tablet computer.

In order to achieve the above object, the embodiments of the present invention provide the following technical solutions: A coreless tablet computer includes: a casing and a touchpad, and further includes: a Type-C input interface, which is used for the Type-C input interface. Data exchange with smart terminals; Type-C receiving and control module connected to the Type-C input interface; touchpad control module and power control connected to the Type-C receiving and control module A module and an HDMI to EDP chip; a display screen interface connected to the HDMI to EDP chip; a sound module connected to the Type-C receiving and control module; a charging interface connected to the power control module.

Preferably, the coreless tablet computer further includes: the charging interface is a Type-C interface.

Preferably, in the coreless tablet computer, a smart terminal fixing area is provided on the casing, and a fixing element is provided in the smart terminal fixing area for fixing the smart terminal.

Preferably, in the coreless tablet computer, the casing includes a lower casing and an upper casing, and the fixed area of the smart terminal is disposed on a side of the upper casing facing the lower casing.

Preferably, in the coreless tablet computer, the casing includes a lower casing and an upper casing, and the fixed area of the smart terminal is disposed on an outer surface of the lower casing.

Preferably, in the coreless tablet computer, a power supply branch is provided between the Type-C input interface and the charging interface for connecting a power supply pair input by the charging interface to the Type-C input interface. Smart terminal.

Preferably, in the coreless tablet computer, the power control module includes: a boost voltage regulating circuit connected to the power supply branch; a buck voltage regulating circuit connected to the boost voltage regulating circuit; The output is used to supply power to a power-consuming device in the coreless tablet computer.

Preferably, the coreless tablet computer further includes: a battery module connected to the Boost voltage regulating circuit.

A tablet computer includes: Preferably, the tablet computer further includes a smart terminal connected to the coreless tablet computer through a Type-C input interface.

Preferably, in the tablet computer, the smart terminal is a mobile phone.

Based on the above technical solution, the above solution provided by the embodiment of the present invention uses a coreless tablet computer to connect to a smart terminal through a Type-C input interface, and realizes a complete function by combining a smart terminal and the coreless tablet computer. For a tablet computer, the shape and structure of the coreless tablet computer may be the same as a conventional tablet computer. In the technology of reducing a single tablet computer, by using the core processing device of a smart terminal as the core processing device of the coreless tablet computer, the coreless tablet computer has the functions of a normal tablet computer, thereby realizing the resource Convergence has reduced the cost of tablets.

In the following, the technical solutions in the embodiments of the present invention will be clearly and completely described with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person having ordinary knowledge in the art without any creative labor belong to the protection scope of the present invention.

A conventional tablet computer includes a core part and an auxiliary part. The core part includes a CPU, a graphics card, a wireless data network connection device, and peripheral devices that assist the CPU and the graphics card. The auxiliary part is composed of a battery, a display screen, and a peripheral interface. However, with the continuous improvement of the performance and functions of smart phone chips and solutions, the computing power of a smart phone can completely replace the core data processing part of a conventional tablet computer, making a tablet computer without a core part an intermediate product for human-computer interaction. No need for CPU, graphics card, battery, etc. If a smart phone can replace the core part of a conventional tablet computer, then a tablet computer only needs a display screen, touch controller and charging interface, so that the tablet computer can be designed very thin and lightly, and the cost will be greatly reduced.

Previously, some engineers used the MHL interface to design a tablet with only display functions, and used a smartphone with an MHL interface to realize the interconnected display of a smartphone and a coreless tablet computer, but it was limited to the computing and network capabilities of the smartphone at that time and The MHL interface can only transmit videos with some resolutions. It can only supply power in one direction, and the power supply capability is weak. Such a solution has not been popularized. The latest USB TypeC interface introduced by the USB Association can not only transmit video signals, the highest resolution of which can reach 4K @ 60HZ, but also support up to 100W charging, which undoubtedly breaks the bottleneck of the MHL interface and lays down the technology for the expansion of the Type C interface. Basic, so that now major mobile phone manufacturers are rushing to launch high-performance Type C interface mobile phones.

The solution provided in this application is based on the development of a smart terminal with a high-performance Type C interface. The smart terminal can be a mobile phone or other smart terminal. The Type C interface integrates video output, USB2.0, PD and other protocols in one. ， Using the conversion of USB3.1 Type C interface and multi-channel output chip, convert the mobile phone's extended video into the tablet's EDP screen display. The highest support resolution is 4K @ 60HZ, which can perfectly display the mirrored display of mobile phones. For some special mobile phones , Can even present the conventional computer desktop effect, coupled with USB2.0 to achieve touch control, PD protocol to quickly charge the mobile phone function, to achieve the function of a complete tablet.

The coreless tablet computer disclosed in the embodiments of the present application can be understood as a tablet computer without a core part, which is only composed of auxiliary parts, that is, the coreless tablet computer disclosed in the embodiments of the present application may include a power source, a keyboard, and a display screen, see FIG. 1 In order to ensure that it can perform data interaction with a smart terminal, it may further include: Type-C input interface 1, which is used for data interaction with a smart terminal, and the smart terminal may be smart A mobile phone or other smart terminal, wherein the data interaction and charging interface of the smart terminal can also be a Type-C interface; a Type-C receiving and control module 2 connected to the Type-C input interface 1; The Type-C receiving and controlling module 2 is configured to perform data interaction with the smart terminal through the Type-C input interface 1; a touchpad connected to the Type-C receiving and controlling module 2 Control module 3, power control module 4, and HDMI to EDP chip 5. The touch panel control module 3 is used to implement touch-screen control of a coreless tablet computer, and the user is monitored by the touch panel control module 3. On the touchpad The power control module 4 is used to control the power supply system of the coreless tablet computer to supply power to various power-consuming devices in the coreless tablet computer. The power corresponding to the power control module 4 may be the power of the smart terminal or the built-in power of the coreless tablet computer; the HDMI to EDP chip 5 is used to convert the HDMI signal into a display An EDP signal that the screen can recognize; a display screen interface 6 connected to the HDMI to EDP chip, the display screen; a sound module 7 connected to the Type-C receiving and control module 2, the sound module 7 is used as a sound output device of the coreless tablet computer; a charging interface 8 connected to the power control module 4; the coreless tablet computer is connected to an external power source through the charging interface 8; In the technical solution disclosed in the embodiment, the type of the charging interface 8 may be selected according to user requirements. For example, in order to reduce the number and types of connection cables provided by the coreless tablet computer, it may be a Type-C interface.

Based on the above scheme, it can be seen that the present application uses a tablet computer that is connected to a smart terminal through a Type-C input interface 1 to achieve a complete function through a combination of a smart terminal and the coreless tablet. The shape and structure of the coreless tablet computer can be the same as the conventional tablet computer. In the technology of reducing a single tablet computer, by using the core processing device of a smart terminal as the core processing device of the coreless tablet computer, the coreless tablet computer has the functions of a normal tablet computer, thereby realizing the resource Convergence has reduced the cost of tablets.

In addition, after the coreless tablet computer is connected to the smart terminal through the Type-C input interface 1, not only can all the functions of the conventional tablet computer be realized, but also the wireless network function of the smart terminal can be implemented. Calls and convenient Internet access. In addition, based on the fast charging function of Type-C, the smart terminal can be quickly charged by the coreless tablet computer. Since the coreless tablet computer implemented by the present application has fewer power devices, the volume and thickness of the coreless tablet computer can be further reduced, and there is no need for heat dissipation, the structure is simple, and the cost is much lower than that of a conventional tablet computer. Compatible with various brands and operating systems with Type-C interface.

The above solution may further include a USB conversion module connected to the Type-C receiving and control module. The USB conversion module may be connected to various data interfaces. For example, it may be connected to a USB interface, an SD card interface, and a Camera. Interface, connected with related devices through USB interface, SD card interface and Camera interface. Specifically, the USB interface may be an external data interface of a coreless tablet computer. The USB interface with required functions can be obtained by expanding the USB interface through the multi-port converter HUB. For example, the number can be set according to user requirements. For example, in the technical solution disclosed in the embodiments of the present application, the USB The interface may include a first USB interface and a second USB interface; this application may use the multi-port converter HUB to give the first USB interface and the second USB interface different functions. For example, the first USB interface may It is a USB2.0 interface. The first USB interface can be configured by the multi-port converter HUB to: adapt an external keyboard mouse, USB Type-C audio, camera and / or microphone interface; the second The USB interface may be a USB 3.0 interface, and the second USB interface may be configured by the multi-port converter HUB to adapt to an external USB device and / or a built-in solid-state SD card.

In the technical solution disclosed in the embodiments of the present application, the HDMI to EDP chip may be connected to the Type-C receiving and control module through a dual HDMI output chip, and the dual output may be implemented in the following manner: One output end of the dual HDMI output chip is connected to an HDMI interface, and the HDMI interface may specifically be an HDMI 2.0 interface; the other output end of the dual HDMI output chip is connected to the HDMI to EDP chip, and the HDMI to EDP The chip is connected to the display screen of the coreless tablet computer, and the display screen of the coreless tablet computer can be selected according to user requirements. For example, it can use an LCD screen or other types of display screens.

In the technical solution disclosed in the embodiments of the present application, when the coreless tablet computer is connected to an external power source through the charging interface, the smart terminal connected to the coreless tablet computer through the Type-C input interface It can also be charged by the external power supply. Therefore, a power supply branch is provided between the Type-C input interface and the charging interface in this solution, and the power supply branch is used to make the power input by the charging interface. Charging a smart terminal connected to the Type-C input interface. The branch may be provided with a control switch, and the control switch may perform an on-off operation under the control of the Type-C receiving and controlling module. Specifically, the Type-C receiving and controlling module may be controlled by the The signal input from the Type-C input interface detects the power state of the smart terminal, and when the power of the smart terminal is less than a preset value, controlling the switch in the power supply branch to be closed, otherwise, The switches in this branch are off. Alternatively, when the charging interface is not connected to an external power source, and the terminal battery module power of the coreless tablet computer is lower than a set value, the switch in the power supply branch is controlled to be in a closed state.

In the technical solution disclosed in the embodiment of the present application, referring to FIG. 2, the HDMI to EDP chip is integrated inside the Type-C receiving and control module. The power control module includes: a power supply connected to the charging interface. A voltage boosting circuit 53 may be implemented by using a boost circuit; a plurality of voltage regulating circuits BUCK connected to the voltage boosting circuit 53 are each configured to perform an output voltage of the voltage boosting circuit 53 Adjust to obtain the target voltage; for example, one of the voltage regulator circuits is used to adjust the output voltage of the boost circuit 53 to obtain a 12V DC voltage, which is used to provide the operating voltage to the display screen, and one voltage regulator circuit is used to boost the circuit The output voltage of 53 is adjusted to obtain a 5V DC voltage, and the voltage is used to provide a working current with each working system in the coreless tablet computer.

In the technical solution disclosed in the embodiments of the present application, the power control module may be configured with or without a battery module. When a battery module is configured, the battery module is adjusted with the boost. It is connected with a voltage circuit, and the battery-powered device is powered by the battery module. When the battery module is not configured or the battery module is exhausted, and the charging interface is not connected to an external power source, a smart terminal can be used. The battery provides power to the electric device of the coreless tablet computer.

In the technical solution disclosed in the embodiments of the present application, since the coreless tablet computer is not provided with a core device, it can be made into a full-screen mode, that is, its screen is full-screen, which can cover the front of most tablet computers, Improve user experience.

In collective design, the Type-C receiver and control module can use the LT8711UX chip. This chip controls the PD protocol to implement the PD charging function to achieve the purpose of fast charging of mobile phones.

In the technical solution disclosed in the embodiments of the present application, the display screen is a capacitive screen, and the touchpad control module is a layer of capacitive sensing touch controller provided on the surface of the screen, and is collected by the capacitive sensing touch controller. The signal is finally transmitted to the upstream smart terminal through the USB2.0 protocol integrated on the Type C input interface, so as to control the smart terminal.

The coreless tablet computer realized by adopting the scheme of the present invention has high integration, low power consumption, simple design and complete functions, and can realize a thin, light and beautiful general-purpose tablet, while taking full advantage of the powerful functions of a smartphone and wireless voice and data functions. And it has good compatibility.

Figure 3 shows the product form. The mobile phone is embedded inside the tablet, and there are no buttons on the tablet. In the technical solution disclosed in the embodiments of the present application, the smart terminal can be connected to the coreless tablet computer through a data cable, and the two are independent of each other. Of course, the smart terminal can also be fixed to the Considering the convenience of operation on the core tablet computer, in the technical solution disclosed in the embodiments of the present application, the smart terminal is fixed on the coreless tablet computer. The casing is provided with a smart terminal fixing area, and a fixing element is provided in the smart terminal fixing area for fixing the smart terminal. Referring to FIG. 3, in the view of FIG. 3, various modules and chips in the coreless tablet computer are integrated on the PCB board. When the smart terminal is fixed, the smart terminal can be fixed on the PCB. The inside of the coreless tablet computer may of course be fixed on the back of the coreless tablet computer. Specifically, the casing of the coreless tablet computer includes a lower case and an upper case, and the fixed area of the smart terminal is provided. On the side of the upper case facing the lower case, the smart terminal is fixed inside the case. Alternatively, the fixing area of the smart terminal is provided on an outer surface of the lower case, and a fixing member for fixing the smart terminal is provided on the outer surface of the lower case.

Aiming at the coreless tablet computer described above, this application also discloses a tablet computer, which may include a smart terminal connected to the coreless tablet computer through a Type-C input interface. Specifically, the smart terminal may be a mobile phone.

The embodiments in this specification are described in a progressive manner. Each embodiment focuses on the differences from other embodiments. For the same and similar parts between the embodiments, refer to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant part may refer to the description of the method.

The foregoing description of the disclosed embodiments enables those having ordinary skill in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those having ordinary knowledge in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to the embodiments shown herein, but should conform to the widest scope consistent with the principles and novel features disclosed herein.

1‧‧‧Type-C input interface

2‧‧‧Type-C receiving and controlling module

3‧‧‧Touchpad Control Module

4‧‧‧ Power Control Module

5‧‧‧HDMI to EDP chip

6‧‧‧ Display interface

7‧‧‧ sound module

8‧‧‧ Charging interface

In order to more clearly explain the technical solutions in the embodiments of the present invention or the conventional technology, the drawings used in the description of the embodiments or the conventional technology will be briefly introduced below. Obviously, the drawings in the following description are merely It is an embodiment of the present invention. For those with ordinary knowledge in the art, other drawings can be obtained according to the provided drawings without paying creative labor.

1 is a schematic structural diagram of a coreless tablet computer disclosed in an embodiment of the application; FIG. 2 is a schematic structural diagram of a coreless tablet computer disclosed in another embodiment of the application; FIG. 3 is a coreless tablet computer and Schematic diagram of the fixing method of the smart terminal.

Claims (10)

A coreless tablet computer includes a casing and a touchpad, and further includes: a Type-C input interface, the Type-C input interface is used for data interaction with a smart terminal; and the Type-C input interface A connected Type-C receiving and control module; a touchpad control module, a power control module, and an HDMI to EDP chip connected to the Type-C receiving and control module; A display screen interface; a sound module connected to the Type-C receiving and control module; a charging interface connected to the power control module. The coreless tablet computer according to claim 1, further comprising: the charging interface is a Type-C interface. The coreless tablet computer according to claim 2, wherein the housing is provided with a smart terminal fixing area, and the smart terminal fixing area is provided with a fixing element for fixing the smart terminal. The coreless tablet computer according to claim 3, wherein the casing includes a lower casing and an upper casing, and the fixed area of the smart terminal is disposed on a side of the upper casing facing the lower casing. The coreless tablet computer according to claim 3, wherein the casing includes a lower casing and an upper casing, and the fixed area of the smart terminal is disposed on an outer surface of the lower casing. The coreless tablet computer according to claim 2, wherein a power supply branch is provided between the Type-C input interface and the charging interface, so that the power pair input by the charging interface and the Type-C The smart terminal connected to the input interface is charged. The coreless tablet computer according to claim 6, wherein the power control module includes: a boost voltage regulator circuit connected to the power supply branch; a buck voltage regulator circuit connected to the boost voltage regulator circuit; and the buck voltage regulator circuit The output of the voltage circuit is used to supply power to the electric device in the coreless tablet computer. The coreless tablet computer according to claim 7, further comprising: a battery module connected to the Boost voltage regulating circuit. A tablet computer includes: the coreless tablet computer according to any one of claims 1 to 8, further comprising a smart terminal connected to the coreless tablet computer through a Type-C input interface. The tablet computer according to claim 9, wherein the smart terminal is a mobile phone.