CN213876695U - Display interface circuit and display device - Google Patents

Display interface circuit and display device Download PDF

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Publication number
CN213876695U
CN213876695U CN202120162978.3U CN202120162978U CN213876695U CN 213876695 U CN213876695 U CN 213876695U CN 202120162978 U CN202120162978 U CN 202120162978U CN 213876695 U CN213876695 U CN 213876695U
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interface
switch
display
host
switcher
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CN202120162978.3U
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付世杰
姚世烨
李振乐
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Shenzhen KTC Commercial Technology Co Ltd
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Shenzhen KTC Commercial Technology Co Ltd
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Abstract

An embodiment of the utility model provides a display interface circuit and display device relates to and shows technical field. Wherein the display interface circuit includes: the display system chip is connected with the first host and the second host respectively; the concentrator is respectively connected with the input equipment and the Ethernet interface; a switch including a first switch interface, a second switch interface, a third switch interface, a control interface; the first switcher interface is connected with the concentrator, the second switcher interface is connected with the first host, and the third switcher interface is connected with the second host; if the received control signal is a first control signal, the switcher controls the first switcher interface to be connected with the second switcher interface; if the received control signal is the second control signal, the switch controls the first switch interface to be connected with the third switch interface. The display is used for displaying double-host pictures, only one set of input equipment is needed, the efficiency is greatly improved, and external resources are saved.

Description

Display interface circuit and display device
Technical Field
The utility model relates to a show technical field, especially relate to a show interface circuit and display device.
Background
The conventional desktop monitor transmits the image signal of the computer host to the monitor through various interfaces, such as VGA (Video Graphics Array), HDMI (High Definition Multimedia Interface), DP (Display Port), etc. through signal line access Display Interface, and has no other special functions. When two host devices need to be used, due to the connectivity of the devices, a mouse, a keyboard and a connecting network cable need to be respectively equipped to realize internet surfing and then are independently connected to two display screens, under the condition that only one display is provided, the common display can only display the picture of one signal interface, if the interfaces of the two host devices need to be displayed simultaneously, the interfaces can only be manually switched back and forth in a signal source, so that the efficiency is low, and two sets of the mouse, the keyboard and the network cable are needed to cause resource waste.
SUMMERY OF THE UTILITY MODEL
The utility model discloses increase a display interface circuit on the display, can effectual solution ordinary display can only show the picture of a signal interface, if need show the interface of two host computers simultaneously, can only make a round trip manual switch in the signal source, cause inefficiency, and need two sets of mouse, keyboard and net twine to cause the problem of wasting of resources.
In a first aspect, an embodiment of the present invention provides a display interface circuit, which is applied to a display, including:
the display system chip is respectively connected with the first host and the second host;
the concentrator is respectively connected with the input equipment and the Ethernet interface;
a switch including a first switch interface, a second switch interface, a third switch interface, and a control interface, the first switch interface being connected to the hub, the second switch interface being connected to the first host, the third switch interface being connected to the second host, the control interface being connected to the display system chip for receiving a control signal of the display system chip;
if the received control signal is a first control signal, the switcher controls the first switcher interface to be connected with the second switcher interface; and if the received control signal is a second control signal, the switcher controls the first switcher interface to be connected with the third switcher interface.
The second host computer passes through the Type-C interface and the display system chip are connected, and the Type-C interface is connected with the third switcher interface.
The second switch interface is connected with the first host through the Type-B interface.
The further technical scheme is that the display system further comprises an HDMI interface, and the first host is connected with the display system chip through the HDMI interface.
A further technical solution is that the hub includes a first hub interface, a second hub interface, and a third hub interface, the first hub interface is connected to the first switch interface, the second hub interface is connected to the input device, and the third hub interface is connected to the ethernet interface.
The further technical scheme is that the system further comprises a USB interface, and the second hub interface is connected with input equipment through the USB interface.
The further technical scheme is that the system further comprises an Ethernet converter, and the third hub interface is connected with the Ethernet interface through the Ethernet converter.
The further technical scheme is that the number of the USB interfaces is at least two.
The further technical scheme is that the switcher is a USB2.0 or USB3.0 switcher.
In a second aspect, the present invention further provides a display device, which includes the display interface circuit of any one of the above.
An embodiment of the utility model provides a display interface circuit is applied to on the display. The display interface circuit includes: a display system chip, a hub and a switch. The concentrator is respectively connected with the input equipment and the Ethernet interface; the switcher comprises a first switcher interface, a second switcher interface, a third switcher interface and a control interface, wherein the first switcher interface is connected with the concentrator, the second switcher interface is connected with the first host, the third switcher interface is connected with the second host, and the control interface is connected with the display system chip and used for receiving the control signal of the display system chip. If the received control signal is a first control signal, the switcher controls the connection of the first switcher interface and the second switcher interface so as to enable the first host to be connected with the input equipment and the Ethernet interface; if the received control signal is the second control signal, the switch controls the first switch interface to be connected with the third switch interface so as to enable the second host to be connected with the input device and the Ethernet interface. The interface circuit controls the switching of the interface connection of the switcher through the display system chip, realizes that the same display displays double-host pictures, only needs to be provided with one set of input equipment, does not need manual switching, greatly improves the efficiency and saves external resources.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without any creative effort.
Fig. 1 is a schematic block diagram of a display interface circuit according to an embodiment of the present invention;
fig. 2 is a schematic block diagram of a hub and a switch in a display interface circuit according to an embodiment of the present invention.
Reference numerals
The display system chip 1, the switch 2, the first switch interface 21, the second switch interface 22, the third switch interface 23, the control interface 24, the hub 3, the first hub interface 31, the second hub interface 32, the third hub interface 33, the ethernet switch 4, the Type-B interface 5, the display 6, the USB interface 7, the ethernet interface 8, the Type-C interface 9, the HDMI interface 10, the input device 11, the first host 12, and the second host 13.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, wherein like component numbers represent like components. It is obvious that the embodiments to be described below are only a part of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It is also to be understood that the terminology used in the description of the embodiments of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the embodiments of the invention. As used in the description of the embodiments of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
In a first aspect, referring to fig. 1-2, an embodiment of the present invention provides a display interface circuit, applied to a display 6, including: a display system chip 1, a switch 2, and a hub 3.
The display system chip 1 is respectively connected with the first host 12 and the second host 13, and is used for simultaneously displaying the interfaces of the first host 12 and the second host 13; specifically, in an embodiment, the first host 12 and the second host 13 are respectively connected to the display system chip 1 through a display interface, the display interface may be a Type-C interface 9 or an HDMI interface 10, and if the Type-C interface 9 is set to only need one interface, the display of the host interface and the transmission requirement of the USB signal can be satisfied; if the HDMI interface 10 is configured, another USB data line is required for transmitting USB signals. One interface can be simultaneously selected by the two hosts, and one interface can be respectively arranged on the two hosts. The display interface may be set according to actual needs and budget, and this embodiment is not particularly limited thereto.
The hub 3 is respectively connected with an input device 11 and an Ethernet interface 8; specifically, in one embodiment, the hub 3 is a USB hub, and is used for converging multiple USB signals on the same signal line. In a specific implementation, a user may set the port number of the hub 3 according to actual needs, and this embodiment does not specifically limit this.
The switch 2 comprises a first switch interface 21, a second switch interface 22, a third switch interface 23 and a control interface 24, wherein the first switch interface 21 is connected with the hub 3, the second switch interface 22 is connected with the first host 12, the third switch interface 23 is connected with the second host 13, and the control interface 24 is connected with the display system chip 1 and is used for receiving a control signal of the display system chip 1; specifically, in one embodiment, the switch 2 controls the switching of its interface according to the received control signal.
If the received control signal is the first control signal, the switch 2 controls the first switch interface 21 to connect with the second switch interface 22; if the received control signal is the second control signal, the switch 2 controls the first switch interface 21 to connect with the third switch interface 23.
Specifically, in an embodiment, the control signal is a control signal defined by a user through software, the first control signal may be set to a high level, the second control signal may be set to a low level, when the control signal received by the switch 2 is the high level, the first switch interface 21 is connected to the second switch interface 22, the first host 12 is connected to the input device 11 and the ethernet interface 8, so as to control the first host 12 by the input device, and the first host 12 is connected to the ethernet. When the control signal received by the switch 2 is at a low level, the first switch interface 21 is connected to the third switch interface 23, and the second host 13 is connected to the input device 11 and the ethernet interface 8, so as to control the second host 13 by the input device and connect the second host 13 to the ethernet. When the same display 6 is used for displaying the interfaces of the two hosts, the display signal line does not need to be frequently plugged and unplugged; and the display system chip 1 can realize the switching of the connection between one set of input equipment 11 and the network cable and two hosts only by setting software to send a control signal to the switcher 2. The interface circuit realizes that the same display 6 displays double-host pictures, and only one set of peripheral equipment is needed, thereby greatly improving the efficiency and saving external resources.
Further, the display interface circuit further includes a Type-B interface 5, and the second switch interface 22 is connected to the first host 12 through the Type-B interface 5. Specifically, in one embodiment, when the first switch interface 21 of the switch 2 is connected to the second switch interface 22, the first host 12 is connected to the input device 11 and the ethernet interface 8 through the Type-B interface 5, so as to control the first host 12 by the input device 11 and connect the first host 12 to the ethernet. Specifically, this Type-B interface 5 is removable to satisfy other interfaces that transmit the peripheral hardware signal, the embodiment of the utility model provides a do not limit to this.
Further, the display interface circuit further includes a Type-C interface 9, the second host 13 is connected to the display system chip 1 through the Type-C interface 9, and the Type-C interface 9 is connected to the third switch interface 23. Specifically, in one embodiment, the second host 13 transmits the display signal to the display 6 through the Type-C interface 9, and when the first switch interface 21 of the switch 2 is connected to the third switch interface 23, the second host 13 is connected to the input device 11 and the ethernet interface 8 through the Type-C interface 9, so that the input device 11 controls the second host 13 and the second host 13 is connected to the ethernet. The USB signal and the video signal can be simultaneously transmitted through the Type-C interface 9.
Further, the display interface circuit further includes an HDMI interface 10, and the first host 12 is connected to the display system chip 1 through the HDMI interface 10. Specifically, in one embodiment, the display signal of the first host 12 is connected to the display system chip 1 through the HDMI interface 10, and the interface of the first host 12 is displayed on the display 6. In an embodiment, the HDMI interface 10 may also be replaced with a Type-C interface 9, and the setting of the Type-B interface 5 is cancelled, and the user may set the setting according to the actual application scenario, which is not specifically limited in this embodiment.
Further, the hub 3 includes a first hub interface 31, a second hub interface 32 and a third hub interface 33, the first hub interface 31 is connected to the first switch interface 21, the second hub interface 32 is connected to the input device 11, and the third hub interface 33 is connected to the ethernet interface 8. Specifically, in one embodiment, the hub 3 assembles the input device 11 and the ethernet USB signal onto one signal line, so as to switch the input device 11 and the ethernet signal to be connected to the first host 12 or the second host 13.
Further, the display interface circuit further includes a USB interface 7, and the second hub interface 32 is connected to the input device 11 through the USB interface 7. Specifically, in one embodiment, the input device 11 is connected to the second hub interface 32 via the USB interface 7, and when the input device is a mouse and a keyboard, the mouse and the keyboard are each connected to the hub 3 via one USB interface.
Further, the display interface circuit further includes an ethernet converter 4, and the third hub interface 33 is connected to the ethernet interface 8 through the ethernet converter 4. Specifically, in one embodiment, a network cable is plugged into the ethernet interface 8 to connect the first host 12 or the second host 13 into the ethernet.
Further, the number of the USB interfaces 7 is at least two. Specifically, in an embodiment, the two USB interfaces 7 are respectively connected to the mouse and the keyboard, and the user may set a plurality of USB interfaces 7 according to the needs of the actual application scenario, so as to connect to the required input device.
Further, the switch 2 is a USB2.0 or USB3.0 switch. Specifically, in an embodiment, the switch 2 is a one-in two-out switch 2, and the connection between the same set of input devices 11 and the first host 12 and the second host 13 through ethernet is switched by receiving the control signal of the display system chip 1, so as to realize the display control of the same set of input devices 11 on the two hosts, and the signal lines do not need to be frequently plugged and unplugged, thereby greatly improving the working efficiency.
It should be noted that the model of the switch 2 is the same as that of the hub 3, and when the USB interface 7 selects the USB2.0 interface, the switch 2 may use a USB2.0 or USB3.0 switch; when the USB interface 7 selects the USB3.0 interface, the switch 2 is a USB3.0 switch
In a second aspect, the utility model also provides a display device, display device includes the display interface circuit that the above embodiment provided, specifically, in an embodiment, display interface circuit can set up inside or outside display 6, and two hosts are connected with display 6 through each interface on the display interface circuit, and the interface of two hosts of double-picture display realizes using the control of one set of input device 11 and an ethernet line to two hosts, has improved work efficiency, has saved the peripheral hardware resource.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, while the invention has been described with respect to certain embodiments, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
The above description is for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various equivalent modifications or replacements within the technical scope of the present invention, and these modifications or replacements should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. A display interface circuit, applied to a display, comprising:
the display system chip is respectively connected with the first host and the second host;
the concentrator is respectively connected with the input equipment and the Ethernet interface;
a switch including a first switch interface, a second switch interface, a third switch interface, and a control interface, the first switch interface being connected to the hub, the second switch interface being connected to the first host, the third switch interface being connected to the second host, the control interface being connected to the display system chip for receiving a control signal of the display system chip;
if the received control signal is a first control signal, the switcher controls the first switcher interface to be connected with the second switcher interface; and if the received control signal is a second control signal, the switcher controls the first switcher interface to be connected with the third switcher interface.
2. The display interface circuit of claim 1, further comprising a Type-C interface, wherein the second host is connected to the display system chip through the Type-C interface, and the Type-C interface is connected to the third switch interface.
3. The display interface circuit of claim 1, further comprising a Type-B interface, wherein the second switch interface is connected to the first host through the Type-B interface.
4. The display interface circuit according to claim 1, further comprising an HDMI interface, wherein the first host is connected to the display system chip via the HDMI interface.
5. The display interface circuit of claim 1, wherein the hub comprises a first hub interface, a second hub interface, and a third hub interface, the first hub interface coupled to the first switch interface, the second hub interface coupled to the input device, and the third hub interface coupled to the ethernet interface.
6. The display interface circuit according to claim 5, further comprising a USB interface, wherein the second hub interface is connected to an input device via the USB interface.
7. The display interface circuit of claim 6, further comprising an ethernet switch, wherein the third hub interface is coupled to the ethernet interface via the ethernet switch.
8. The display interface circuit according to claim 7, wherein the number of the USB interfaces is at least two.
9. The display interface circuit of claim 1, wherein the switch is a USB2.0 or USB3.0 switch.
10. A display device comprising the display interface circuit according to any one of claims 1 to 9.
CN202120162978.3U 2021-01-21 2021-01-21 Display interface circuit and display device Active CN213876695U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120162978.3U CN213876695U (en) 2021-01-21 2021-01-21 Display interface circuit and display device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120162978.3U CN213876695U (en) 2021-01-21 2021-01-21 Display interface circuit and display device

Publications (1)

Publication Number Publication Date
CN213876695U true CN213876695U (en) 2021-08-03

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120162978.3U Active CN213876695U (en) 2021-01-21 2021-01-21 Display interface circuit and display device

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Country Link
CN (1) CN213876695U (en)

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