Circuit compatible with HDMI and typec, and intelligent interactive display device

Abstract

A circuit compatible with HDMI and TYPEC, and an intelligent interactive display device. The circuit compatible with HDMI and TYPEC comprises: an HDMI interface (200), a TYPEC interface (300), an MCU (100), and a switch module (400), wherein an HDMI insertion detection pin (102) and a TYPEC insertion detection pin (104) of the MCU (100) are electrically connected to the HDMI interface (200) and the TYPEC interface (300), respectively; the HDMI interface (200) and the TYPEC interface (300) are both electrically connected to the switch module (400); and the MCU (100) is electrically connected to the switch module (400), and is configured to control the on-off of the switch module (400) on the basis of the signal source insertion condition of the HDMI interface (200) or the TYPEC interface (300).

Description

Circuits and smart interactive display devices compatible with HDMI and Type-C

[0001] Cross-reference to related applications

[0002] This application claims priority to Chinese Patent Application No. 202421651976.0, filed on July 11, 2024, entitled "Circuit and Smart Interactive Display Device Compatible with HDMI and TYPEC", the entire contents of which are incorporated herein by reference. Technical Field

[0003] This disclosure relates to the field of electronic device technology, and more particularly to a circuit and intelligent interactive display device compatible with HDMI and TYPEC. Background Technology

[0004] In a multi-screen display scenario, there is a main screen and multiple secondary screens. The main screen needs to output different video signals to the secondary screens so that the multiple secondary screens can display content.

[0005] Since the main screen typically only has one HDMI (High-Definition Multimedia Interface) port and one TYPEC port (a type of USB port), in this case, the main screen can only send one video signal to one secondary screen through one of the HDMI or TYPEC ports, and send another video signal to another secondary screen through the other of the HDMI or TYPEC ports.

[0006] However, since the two secondary screens are connected to the main screen's HDMI or TYPEC interface only through one of the HDMI or TYPEC interfaces respectively, compatibility with HDMI and TYPEC is required. Related technologies usually achieve this by setting up conversion chips or by creating two sets of BOMs for HDMI and TYPEC interfaces, which is costly. Summary of the Invention

[0007] This disclosure proposes a circuit and intelligent interactive display device compatible with HDMI and TYPEC, which at least partially solves one of the technical problems in the related art.

[0008] The first aspect of this exemplary embodiment provides a circuit compatible with HDMI and Type-C, including: an HDMI interface, a Type-C interface, an MCU, and a switch module; wherein,

[0009] The MCU's HDMI insertion detection pin and TYPEC insertion detection pin are electrically connected to the HDMI interface and TYPEC interface, respectively;

[0010] Both the HDMI and TYPEC interfaces are electrically connected to the switch module;

[0011] The MCU is electrically connected to the switch module and is configured to control the switching module's on / off state based on the insertion status of the signal source from the HDMI or TYPEC interface.

[0012] A second aspect of the exemplary embodiments of this disclosure provides an intelligent interactive display device, including: a display module and a circuit compatible with HDMI and Type-C as described in the first aspect; wherein,

[0013] The display module is electrically connected to circuitry compatible with HDMI and TYPEC.

[0014] As can be seen from the above, the HDMI and TYPEC compatible circuit and intelligent interactive display device provided in this disclosure include: an HDMI interface, a TYPEC interface, an MCU, and a switch module; wherein, the HDMI insertion detection pin and the TYPEC insertion detection pin of the MCU are electrically connected to the HDMI interface and the TYPEC interface, respectively; both the HDMI interface and the TYPEC interface are electrically connected to the switch module; the MCU is electrically connected to the switch module and is configured to control the on / off state of the switch module according to the signal source insertion status of the HDMI interface or the TYPEC interface. Through this disclosure, signal input compatible with both HDMI and TYPEC interfaces is achieved by switching pins without using an external converter, thus reducing costs. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in this disclosure or related technologies, the accompanying drawings used in the description of the embodiments or related technologies will be briefly introduced below. Obviously, the accompanying drawings described below are only embodiments of this disclosure. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 is a schematic diagram of a smart interactive display device including circuitry compatible with HDMI and TYPEC, provided by an exemplary embodiment of the present disclosure.

[0017] Figure 2 is a schematic diagram of a switching module provided in an exemplary embodiment of the present disclosure;

[0018] Figure 3 is a schematic diagram of a scenario of logic control for multi-channel signal switching provided by an exemplary embodiment of this disclosure;

[0019] Figure 4 is a schematic diagram of another structure of an intelligent interactive display device including circuitry compatible with HDMI and TYPEC, provided by an exemplary embodiment of this disclosure.

[0020] Figure 5 is a schematic diagram of another structure of an intelligent interactive display device including circuitry compatible with HDMI and TYPEC, provided by an exemplary embodiment of this disclosure.

[0021] Figure 6 is a schematic diagram of an application scenario of an intelligent interactive display device including circuitry compatible with HDMI and TYPEC, provided by an exemplary embodiment of this disclosure.

[0022] Explanation of reference numerals in the attached diagram: MCU100, HDMI insertion detection pin 102, TYPEC insertion detection pin 104, HDMI interface 200, first pin 202, second pin 204, TYPEC interface 300, third pin 302, fourth pin 304, switch module 400, first switch sub-module 402, second switch sub-module 404, display module 500, display protocol conversion IC 600. Detailed Implementation

[0023] To make the objectives, technical solutions, and advantages of this disclosure clearer, the principles and spirit of this disclosure will be described below with reference to several exemplary embodiments. It should be understood that these embodiments are provided merely to enable those skilled in the art to better understand and implement this disclosure, and are not intended to limit the scope of this disclosure in any way. Rather, these embodiments are provided to make this disclosure more thorough and complete, and to fully convey the scope of this disclosure to those skilled in the art.

[0024] In this article, it is important to understand that any number of elements in the accompanying figures is for illustrative purposes and not for limitation, and any naming is for distinction only and has no limiting meaning.

[0025] It should be noted that, unless otherwise defined, the technical or scientific terms used in the embodiments of this disclosure should have the ordinary meaning understood by one of ordinary skill in the art to which this disclosure pertains. The terms "first," "second," and similar words used in the embodiments of this disclosure do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Terms such as "comprising" or "including" mean that the element or object preceding the word encompasses the elements or objects listed following the word and their equivalents, without excluding other elements or objects. Terms such as "connected" or "linked" are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. Terms such as "upper," "lower," "left," and "right" are used only to indicate relative positional relationships; when the absolute position of the described object changes, the relative positional relationship may also change accordingly. The article "a" or "an" preceding an element does not exclude the existence of multiple such elements.

[0026] The principles and spirit of this disclosure will be explained in detail below with reference to several representative embodiments.

[0027] As described in the background section, in a multi-screen display scenario, there is a main screen and multiple secondary screens. The main screen needs to output different video signals to the secondary screens so that the multiple secondary screens can display content.

[0028] Since the main screen typically only has one HDMI port and one TYPEC port, in this case, the main screen can only send one video signal to one secondary screen through one of the HDMI ports or the TYPEC port, and send another video signal to another secondary screen through the other of the HDMI ports or the TYPEC port.

[0029] However, since the two secondary screens are connected to the main screen's HDMI or TYPEC interface only through one of the HDMI or TYPEC interfaces respectively, compatibility with HDMI and TYPEC is required. Related technologies usually achieve this by setting up conversion chips or by creating two sets of BOMs for HDMI and TYPEC interfaces, which is costly.

[0030] To address the aforementioned issues, this disclosure provides a circuit and intelligent interactive display device compatible with both HDMI and Type-C. The HDMI and Type-C compatible circuit includes: an HDMI interface, a Type-C interface, an MCU (Micro Control Unit), and a switch module. The MCU's HDMI insertion detection pin and Type-C insertion detection pin are electrically connected to the HDMI interface and Type-C interface, respectively. Both the HDMI interface and Type-C interface are electrically connected to the switch module. The MCU is electrically connected to the switch module and configured to control the switching module's on / off state based on the signal source insertion status of the HDMI or Type-C interface. This disclosure achieves signal input compatibility with both HDMI and Type-C interfaces through pin switching without using an external converter.

[0031] In practical implementation, the intelligent interactive display device includes the secondary screen in the above-mentioned multi-screen display scenario. The intelligent interactive display device contains the above-mentioned circuitry that is compatible with HDMI and TYPEC. Therefore, it can meet the above-mentioned multi-screen display scenario and reduce costs.

[0032] After introducing the basic principles of this disclosure, various non-limiting embodiments of this disclosure will be described in detail below.

[0033] The following describes a circuit and intelligent interactive display device compatible with HDMI and Type-C according to exemplary embodiments of this disclosure, using the application scenarios described above. It should be noted that the application scenarios described above are only shown to facilitate understanding of the spirit and principles of this disclosure, and the embodiments of this disclosure are not limited in any way. Rather, the embodiments of this disclosure can be applied to any applicable scenario.

[0034] Referring to Figure 1, it is a schematic diagram of a smart interactive display device that includes circuitry compatible with HDMI and TYPEC.

[0035] The intelligent interactive display device includes: a display module 500 and circuitry compatible with HDMI and TYPEC; wherein the display module 500 is electrically connected to the circuitry compatible with HDMI and TYPEC.

[0036] The circuitry is compatible with both HDMI and Type-C, including: an HDMI interface 200, a Type-C interface 300, an MCU 100, and a switch module 400; among which,

[0037] The HDMI insertion detection pin 102 and TYPEC insertion detection pin 104 of MCU100 are electrically connected to HDMI interface 200 and TYPEC interface 300, respectively.

[0038] Both the HDMI interface 200 and the TYPEC interface 300 are electrically connected to the switch module 400;

[0039] The MCU100 is electrically connected to the switch module 400 and is configured to control the switching module 400 to turn on or off based on the insertion status of the signal source of the HDMI interface or TYPEC interface.

[0040] In specific implementation, the MCU100 is specifically configured to send a command to the switch module 400 when it detects that a signal source is inserted into the HDMI interface 200 or the TYPEC interface 300, so that the switch module 400 is connected to the HDMI interface 200 or the TYPEC interface 300 where the signal source is inserted, so that the signal source is input to the display module 500.

[0041] In some exemplary embodiments, the switch module 400 includes an SEL pin and an OE pin, and the MCU 100 is electrically connected to the SEL pin and the OE pin respectively.

[0042] The SEL pin is used for switch channel selection, and the OE pin is used for switch chip enable.

[0043] In specific implementation, the MCU100 is configured to send a command to the SEL pin of the switch module 400 when it detects that a signal source is inserted into the HDMI interface 200 or the TYPEC interface 300, thereby controlling the switch module 400 to select and connect to the HDMI interface 200 or the TYPEC interface 300 with the inserted signal source; and to send a command to the OE pin of the switch module 400, thereby controlling the switch module 400 to output a signal to the connected HDMI interface 200 or the TYPEC interface 300.

[0044] In some exemplary embodiments, the display module 500 is connected to the switch module 400.

[0045] Referring to Figure 2, in a specific implementation, the switch module 400 includes: a 4-lane differential input and a 2-lane differential output selector switch.

[0046] In some exemplary embodiments, the switch module 400 includes: a first switch submodule 402 and a second switch submodule 404; wherein,

[0047] Both the HDMI interface 200 and the TYPEC interface 300 are electrically connected to the first switch submodule 402 and the second switch submodule 404.

[0048] In some exemplary embodiments, the first pin 202 and the second pin 204 of the HDMI interface 200 are electrically connected to the first switch submodule 402 and the second switch submodule 404, respectively.

[0049] The third pin 302 and the fourth pin 304 of the TYPEC interface 300 are electrically connected to the first switch submodule 402 and the second switch submodule 404, respectively.

[0050] In some exemplary embodiments, the HDMI interface 200 is configured to send a first HDMI differential signal to the first switch submodule 402 and a second HDMI differential signal to the second switch submodule 404 when a signal source is inserted.

[0051] When a signal source is inserted, the TYPEC interface 300 is configured to send a first TYPEC differential signal to the first switch submodule 402 and a second TYPEC differential signal to the second switch submodule 404.

[0052] In specific implementation, when a signal source is inserted into the HDMI interface 200, the first HDMI differential signal (HDMI differential signal clk + lane 0) is sent to the first switch submodule 402 through the first pin 202, and the second HDMI differential signal (HDMI differential signal lane1 + lane 2) is sent to the second switch submodule 404 through the second pin 204.

[0053] When a signal source is inserted into the TYPEC interface 300, the first TYPEC differential signal (TYPEC differential signal lane 0 + lane 1) is sent to the first switch submodule 402 through the third pin 302, and the second TYPEC differential signal (TYPEC differential signal lane 2 + lane 3) is sent to the second switch submodule 404 through the fourth pin 304.

[0054] When MCU100 detects a signal source inserted into HDMI interface 200 or TYPEC interface 300, it sends a command to the OE pin of switch module 400 to enable signal input and a command to the SEL pin of switch module 400 to control switch module 400 to connect to and output a signal to the HDMI interface 200 or TYPEC interface 300 with the signal source inserted. Assuming the command sent to the SEL pin of switch module 400 is to connect to TYPEC interface 300, then the signals input to display module 500 after connection will be lane 0 + lane 1 and lane 2 + lane 3.

[0055] Referring to Figure 3, in specific implementation, when the HDMI insertion detection pin 102 is at a high level, the TYPEC insertion detection pin 104 is at a low level, the OE pin is at a low level, and the SEL pin is at a low level, the control switch module 400 is connected to the HDMI interface 200.

[0056] When the HDMI insertion detection pin 102 is low, the TYPEC insertion detection pin 104 is high, the OE pin is low, and the SEL pin is high, the control switch module 400 is connected to the TYPEC interface 300.

[0057] When HDMI insertion detection pin 102 is high, TYPEC insertion detection pin 104 is high, OE pin is low, and SEL pin is low or high, the control switch module 400 connects to the interface with the higher priority among HDMI interface 200 and TYPEC interface 300.

[0058] When the HDMI insertion detection pin 102 is low, the TYPEC insertion detection pin 104 is low, the OE pin is high, and the SEL pin has no signal, the control switch module 400 is not connected to the HDMI interface 200 and the TYPEC interface 300.

[0059] Referring to Figure 4, it is another structural schematic diagram of an intelligent interactive display device that includes circuitry compatible with HDMI and TYPEC.

[0060] The intelligent interactive display device includes: a display module 500 and circuitry compatible with HDMI and TYPEC; wherein the display module 500 is electrically connected to the circuitry compatible with HDMI and TYPEC.

[0061] The circuitry is compatible with both HDMI and Type-C, including: an HDMI interface 200, a Type-C interface 300, an MCU 100, and a switch module 400; among which,

[0062] The HDMI insertion detection pin 102 and TYPEC insertion detection pin 104 of MCU100 are electrically connected to HDMI interface 200 and TYPEC interface 300, respectively.

[0063] Both the HDMI interface 200 and the TYPEC interface 300 are electrically connected to the switch module 400;

[0064] The MCU100 is electrically connected to the switch module 400 and is configured to control the switching module 400 to turn on or off based on the signal source insertion status of the HDMI interface 200 or the TYPEC interface 300.

[0065] In some exemplary embodiments, the MCU 100 is specifically configured to send a command to the switch module 400 when it detects that a signal source is inserted into the HDMI interface 200 or the TYPEC interface 300, thereby controlling the switch module 400 to connect to the HDMI interface 200 or the TYPEC interface 300 with the inserted signal source and output a signal so that the signal source is input to the display module 500.

[0066] In some exemplary embodiments, the switch module 400 includes an SEL pin and an OE pin, and the MCU is electrically connected to the SEL pin and the OE pin respectively.

[0067] The SEL pin is used for switch channel selection, and the OE pin is used for switch chip enable.

[0068] In specific implementation, the MCU100 is configured to send a command to the SEL pin of the switch module 400 when it detects that a signal source is inserted into the HDMI interface 200 or the TYPEC interface 300, thereby controlling the switch module 400 to connect with the HDMI interface 200 or the TYPEC interface 300 with the inserted signal source and output a signal; and to send a command to the OE pin of the switch module 400, thereby controlling the switch module 400 to output a signal to the connected HDMI interface 200 or the TYPEC interface 300.

[0069] In some exemplary embodiments, the switch module 400 includes an 8-lane differential input and a 4-lane differential output two-way switch.

[0070] In practice, the HDMI interface 200 is configured to send 4 sets of HDMI differential signals to the 8-lane differential input and 4-lane differential output selector switch when a signal source is inserted.

[0071] When the TYPEC interface 300 is configured to send four sets of TYPEC differential signals to the 8-lane differential input and 4-lane differential output selector switch when a signal source is inserted, it will send four sets of TYPEC differential signals to the selector switch.

[0072] In some exemplary embodiments, the display module 500 is connected to the switch module 400.

[0073] Referring to Figure 5, it is another structural schematic diagram of an intelligent interactive display device that includes circuitry compatible with HDMI and TYPEC.

[0074] The intelligent interactive display device includes: a display module 500 and circuitry compatible with HDMI and TYPEC; wherein the display module 500 is electrically connected to the circuitry compatible with HDMI and TYPEC.

[0075] The circuitry is compatible with both HDMI and Type-C, including: an HDMI interface 200, a Type-C interface 300, an MCU 100, and a switch module 400; among which,

[0076] The HDMI insertion detection pin 102 and TYPEC insertion detection pin 104 of MCU100 are electrically connected to HDMI interface 200 and TYPEC interface 300, respectively.

[0077] Both the HDMI interface 200 and the TYPEC interface 300 are electrically connected to the switch module 400;

[0078] The MCU100 is electrically connected to the switch module 400 and is configured to control the switching module 400 to turn on or off based on the signal source insertion status of the HDMI interface 200 or the TYPEC interface 300.

[0079] In some exemplary embodiments, the MCU 100 is specifically configured to send a command to the switch module 400 when it detects that a signal source is inserted into the HDMI interface 200 or the TYPEC interface 300, thereby controlling the switch module 400 to connect to the HDMI interface 200 or the TYPEC interface 300 with the inserted signal source and output a signal so that the signal source is input to the display module 500.

[0080] In some exemplary embodiments, the switch module 400 includes an SEL pin and an OE pin, and the MCU is electrically connected to the SEL pin and the OE pin respectively.

[0081] The SEL pin is used for switch channel selection, and the OE pin is used for switch chip enable.

[0082] In specific implementation, the MCU100 is configured to send a command to the SEL pin of the switch module 400 when it detects that a signal source is inserted into the HDMI interface 200 or the TYPEC interface 300, thereby controlling the switch module 400 to connect with the HDMI interface 200 or the TYPEC interface 300 with the inserted signal source and output a signal; and to send a command to the OE pin of the switch module 400, thereby controlling the switch module 400 to output a signal to the connected HDMI interface 200 or the TYPEC interface 300.

[0083] In some exemplary embodiments, the switch module 400 includes an 8-lane differential input and a 4-lane differential output two-way switch.

[0084] In practice, the HDMI interface 200 is configured to send 4 sets of HDMI differential signals to the 8-lane differential input and 4-lane differential output selector switch when a signal source is inserted.

[0085] When the TYPEC interface 300 is configured to send four sets of TYPEC differential signals to the 8-lane differential input and 4-lane differential output selector switch when a signal source is inserted, it will send four sets of TYPEC differential signals to the selector switch.

[0086] In some exemplary embodiments, the intelligent interactive display device further includes: a display protocol conversion IC 600;

[0087] in,

[0088] The display protocol conversion IC600 is electrically connected to the switch module 400;

[0089] The display protocol conversion IC600 is configured to convert display protocols.

[0090] In some exemplary embodiments, the display protocol conversion IC 600 is configured to convert the HDMI display protocol to the VBO display protocol;

[0091] The display protocol conversion IC600 is also configured to convert the TYPEC display protocol to the HDMI display protocol.

[0092] Through the above exemplary embodiments, the display protocol conversion IC600 can be applied to scenarios of different inputs to the same output or the same input to different outputs.

[0093] In some exemplary embodiments, the display module 500 is connected to the switch module 400. Specifically, the display module 500 can be connected to the switch module 400 via a display protocol conversion IC 600.

[0094] Figure 6 is a schematic diagram of an application scenario of an intelligent interactive display device including circuitry compatible with HDMI and TYPEC, provided by an exemplary embodiment of this disclosure.

[0095] This application scenario includes the main screen, the first secondary screen, and the second secondary screen.

[0096] The main screen is equipped with a TYPEC output interface and an HDMI output interface. It also contains a SOC (System on Chip), which is connected to both the TYPEC and HDMI output interfaces. The SOC transmits the first video signal to the TYPEC output interface and the second video signal to the HDMI output interface.

[0097] The main screen also contains an MCU. It should be noted that the MCU is used to control the first and second sub-screens. For cost-saving reasons, the first and second sub-screens share the same MCU. The MCU shared by the first and second sub-screens can be set in the main screen, the first sub-screen, or the second sub-screen.

[0098] The first secondary screen is equipped with a first TYPEC input interface, a first HDMI input interface, a first switch module, a first display protocol conversion IC, and a first display module.

[0099] The first Type-C input interface and the first HDMI input interface are respectively connected to the MCU and the first switch module. The first Type-C input interface can be connected to the Type-C output interface, and the first HDMI input interface can be connected to the HDMI output interface. The first switch module is connected to the first display module through the first display protocol conversion IC.

[0100] Assuming the first TYPEC input interface is connected to the TYPEC output interface, when the SOC transmits the first video signal to the TYPEC output interface, the MCU detects that the first video signal is inserted into the first TYPEC input interface, sends a command to the first switch module, and controls the first switch module to conduct with the first HDMI input interface that has the second video signal input, so that the first video signal is input to the first display module.

[0101] Specifically, when the first video signal is input to the first display module, the first video signal is converted to VBO format by the first display protocol conversion IC before being input to the first display module.

[0102] The second sub-screen is equipped with a second TYPEC input interface, a second HDMI input interface, a second switch module, a second display protocol conversion IC, and a second display module.

[0103] The second Type-C input interface and the second HDMI input interface are respectively connected to the MCU and the second switch module. The second Type-C input interface can be connected to the Type-C output interface, and the second HDMI input interface can be connected to the HDMI output interface. The second switch module is connected to the second display module through the second display protocol conversion IC.

[0104] Assuming the second HDMI input interface is connected to the HDMI output interface, when the SOC transmits the second video signal to the second HDMI output interface, the MCU detects that the second video signal is inserted into the second HDMI input interface, sends a command to the second switch module, and controls the second switch module to conduct with the second HDMI input interface that has the second video signal input, so that the second video signal is input to the second display module.

[0105] Specifically, when the second video signal is input to the second display module, the second video signal is converted to VBO format by the second display protocol conversion IC before being input to the second display module.

[0106] Through the above exemplary embodiments, signal input compatible with both HDMI and TYPEC interfaces can be achieved by switching pins without using an external converter.

[0107] Those skilled in the art should understand that the discussion of any of the above embodiments is merely exemplary and is not intended to imply that the scope of this application (including the claims) is limited to these examples; within the framework of this application, the technical features of the above embodiments or different embodiments can also be combined, the steps can be implemented in any order, and there are many other variations of different aspects of the embodiments of this application as described above, which are not provided in the details for the sake of brevity.

[0108] Additionally, to simplify the description and discussion, and to avoid obscuring the embodiments of this application, the well-known power / ground connections to integrated circuit (IC) chips and other components may or may not be shown in the provided drawings. Furthermore, the apparatus may be shown in block diagram form to avoid obscuring the embodiments of this application, and this also takes into account the fact that the details of the implementation of these block diagram apparatuses are highly dependent on the platform on which the embodiments of this application will be implemented (i.e., these details should be fully understood by those skilled in the art). While specific details (e.g., circuits) have been set forth to describe exemplary embodiments of this application, it will be apparent to those skilled in the art that the embodiments of this application can be implemented without these specific details or with variations thereof. Therefore, these descriptions should be considered illustrative rather than restrictive.

[0109] Although this application has been described in conjunction with specific embodiments thereof, many substitutions, modifications, and variations of these embodiments will be apparent to those skilled in the art from the foregoing description. For example, other memory architectures (e.g., dynamic RAM (DRAM)) may be used with the embodiments discussed.

[0110] The embodiments of this application are intended to cover all such substitutions, modifications, and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the embodiments of this application should be included within the protection scope of this application.

[0111] While the spirit and principles of this disclosure have been described with reference to several specific embodiments, it should be understood that this disclosure is not limited to the disclosed specific embodiments, and the division of aspects does not imply that features in these aspects cannot be combined for benefit; such division is merely for convenience of expression. This disclosure is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims. The scope of the appended claims is to be interpreted in the broadest sense, thereby encompassing all such modifications and equivalent structures and functions.

Claims

1. A circuit compatible with HDMI and Type-C, comprising: HDMI interface, TYPEC interface, MCU and switch module; among which, The HDMI insertion detection pin and TYPEC insertion detection pin of the MCU are electrically connected to the HDMI interface and the TYPEC interface, respectively. Both the HDMI interface and the TYPEC interface are electrically connected to the switch module. The MCU is electrically connected to the switch module and is configured to control the switching module to turn on or off based on the signal source insertion status of the HDMI interface or the TYPEC interface.

2. The circuit compatible with HDMI and Type-C according to claim 1, wherein, The switch module includes an SEL pin and an OE pin; The MCU is electrically connected to the SEL pin and the OE pin respectively.

3. The circuit compatible with HDMI and Type-C according to claim 2, wherein, Specifically, the MCU is configured to send a command to the switch module when it detects that a signal source is inserted into the HDMI interface or the TYPEC interface, thereby controlling the switch module to connect to the HDMI interface or TYPEC interface with the inserted signal source, so that the signal source is input to the display module of the smart interactive display device.

4. The circuit compatible with HDMI and Type-C according to claim 2, wherein, The SEL pin is configured for switch channel selection, and the OE pin is configured for switch chip enable.

5. The circuit compatible with HDMI and Type-C according to claim 4, wherein, Specifically, the MCU is configured to send a command to the SEL pin of the switch module when it detects that a signal source is inserted into the HDMI interface or the TYPEC interface, thereby controlling the switch module to select and connect to the HDMI interface or TYPEC interface where a signal source is inserted. Send a command to the OE pin of the switch module to control the switch module to output a signal to the connected HDMI or TYPEC interface.

6. The circuit compatible with HDMI and Type-C according to claim 1, wherein, The switching module includes: a first switching submodule and a second switching submodule; wherein... Both the HDMI interface and the TYPEC interface are electrically connected to the first switch submodule and the second switch submodule.

7. The circuit compatible with HDMI and Type-C according to claim 6, wherein, The first and second pins of the HDMI interface are electrically connected to the first and second switch submodules, respectively. The third and fourth pins of the TYPEC interface are electrically connected to the first switch submodule and the second switch submodule, respectively.

8. The circuit compatible with HDMI and Type-C according to claim 6, wherein, When the HDMI interface is configured to send a first HDMI differential signal to the first switch submodule and a second HDMI differential signal to the second switch submodule when a signal source is inserted; When a signal source is inserted, the TYPEC interface is configured to send a first TYPEC differential signal to the first switch submodule and a second TYPEC differential signal to the second switch submodule.

9. The circuit compatible with HDMI and Type-C according to claim 1, wherein, The switching module includes: A 4-lane differential input and 2-lane differential output selector switch.

10. The circuit compatible with HDMI and Type-C according to claim 1, wherein, The switching module includes: An 8-lane differential input and a 4-lane differential output selector switch.

11. The circuit compatible with HDMI and Type-C according to claim 10, wherein, When the HDMI interface is configured to send 4 sets of HDMI differential signals to the 8-lane differential input and 4-lane differential output selector switch when a signal source is inserted; The TYPEC interface is configured to send four sets of differential TYPEC signals to the 8-lane differential input and 4-lane differential output selector switch when a signal source is inserted.

12. The circuit compatible with HDMI and Type-C according to claim 1, further comprising: Display protocol conversion IC; where, The display protocol conversion IC is electrically connected to the switch module; The display protocol conversion IC is configured to convert display protocols.

13. The circuit compatible with HDMI and Type-C according to claim 12, wherein, The display protocol conversion IC is configured to convert the HDMI display protocol to the VBO display protocol; The display protocol conversion IC is also configured to convert the TYPEC display protocol to the HDMI display protocol.

14. An intelligent interactive display device, comprising: The display module and the circuit compatible with HDMI and TYPEC as described in any one of claims 1 to 13; wherein, The display module is electrically connected to the HDMI and TYPEC compatible circuit.

15. The intelligent interactive display device according to claim 14, wherein, The display module is connected to the switch module.

Images