Display device

Abstract

The utility model is suitable for the technical field of display equipment, and provides display equipment. The display device comprises a display mainboard provided with a reserved interface unit; the adapter plate is provided with a first interface unit connected with the reserved interface unit and a second interface unit connected with the first interface unit; and the power amplifier board is connected with the second interface unit in a plug butt joint mode. The display equipment is manufactured in the mode, the display main board, the adapter board, the power amplifier board and the functional modules can be manufactured through multiple independent production lines respectively, then different schemes are selected for assembly, it is avoided that the display equipment needs to be manufactured at a time, and the effects of reducing the manufacturing difficulty and improving the output efficiency are achieved; and meanwhile, the use requirements of different users can be met, redundant matching is omitted, and the cost is reduced.

Description

Technical Field

[0001] The present application belongs to the technical field of display devices, and more specifically, relates to a display device. Background Art

[0002] The interactive large screen highly integrates people and digital content, providing people with high-quality digital life experience. It is applied to commercial complexes, exhibition experience halls, smart advertising, smart tourism, smart home, financial services, operators and other fields.

[0003] Currently, all large screens delivered are integrated, and each module unit cannot be disassembled separately, which brings great difficulties and increased costs to assembly, transportation, and after-sales. Their circuit connection methods are basically connected through the motherboard, which is inefficient in assembly, inconvenient to disassemble, has high after-sales costs, and a single form, and cannot provide choices for different customers. Utility Model Content

[0004] The purpose of the embodiments of the present application is to provide a display device, aiming to solve the technical problems of low assembly efficiency and single form of display devices in the prior art.

[0005] To achieve the above-mentioned purpose, according to one aspect of the present application, a display device is provided, including: a display main board, provided with a reserved interface unit; a adapter board, provided with a first interface unit connected to the reserved interface unit and a second interface unit connected to the first interface unit; and a power amplifier board, connected to the second interface unit through a plug docking mode.

[0006] Optionally, the power amplifier board is provided with a plug unit, and the plug unit is connected with the second interface unit through a plug docking mode.

[0007] Optionally, the plug unit includes: a high-speed HDMI plug, a TYPE-C plug, a USB3.0 plug, an NFC plug and a light-sensing plug, and the second interface unit is provided with multiple sockets, which respectively correspond to the high-speed HDMI plug, the TYPE-C plug, the USB3.0 plug, the NFC plug and the light-sensing plug.

[0008] Optionally, the second interface unit includes a plurality of plugs, the power amplifier board is provided with a plurality of sockets, and each plug is connected with each socket respectively through a plug docking mode.

[0009] Optionally, the display device further includes a front panel, and the power amplifier board further includes a third interface unit, and the third interface unit is connected to the front panel.

[0010] Optionally, the third interface unit includes an HDMI interface, a TYPE-C interface, a USB3.0 interface, a TOUCH2.0 interface and a MIC interface, and the display device includes an HDMI data cable, a TYPE-C data cable, a USB3.0 data cable, a TOUCH2.0 interface and a MIC data cable. The HDMI interface is connected to the front board via HDMI data, the TYPE-C interface is connected to the front board via a TYPE-C data cable, the USB3.0 interface is connected to the front board via a USB3.0 data cable, the TOUCH2.0 interface is connected to the front board via a TOUCH2.0 data cable, and the MIC interface is connected to the front board via a MIC data cable; the third interface unit also includes a key IR LED light sensing module, which is connected to the front board.

[0011] Optionally, the third interface unit further includes an NFC interface, the display device further includes an NFC module, and the NFC interface is connected to the NFC module.

[0012] Optionally, the display device includes a left speaker and a right speaker, and the left speaker and the right speaker are connected to the third interface unit.

[0013] Optionally, the display device further includes an audio board, a left sound board and a right sound board, the audio board includes a fourth interface unit and an audio board interface, the fourth interface unit is connected to the third interface unit, and the audio board interface is connected to the left sound board and the right sound board.

[0014] Optionally, the display device further includes a touch frame, and the power amplifier board further includes a fifth interface unit, and the fifth interface unit is connected to the touch frame.

[0015] The beneficial effect of the display device provided by the present application is that: compared with the prior art, the display device of the present application not only has a display function, but also has other functions different from the display function because the display mainboard in the present application is connected to the power amplifier board through the adapter board, connected to the touch frame through the adapter board, and connected to the front board, NFC module, audio board and other functional modules through the power amplifier board, so it also has other functions different from the display function, providing users with more choices, improving the user experience, and each functional module is detachably connected. This embodiment provides a flexible circuit structure and morphological structure for customers to choose, and the factory end combination is convenient, and the distribution is flexible for different customers. When manufacturing the display device in this way, multiple independent production lines can be used to produce the display mainboard, adapter board, power amplifier board and each functional module respectively, and then different schemes are selected for assembly, which not only avoids the need to manufacture the display device in one go, but also achieves the effect of reducing the manufacturing difficulty and improving the output efficiency. At the same time, it can also avoid redundant matching and reduce costs, thereby meeting the use needs of different users, assembling, and after-sales to avoid the cumbersome disassembly of the heavy back panel, and the cost is reduced accordingly. This solution is more practical and ornamental, making the product more valuable. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical features of the embodiments of the present application, the drawings required for use in the embodiments of the present application will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.

[0017] Figure 1 A schematic diagram of the structure of a display device provided in an embodiment of the present application;

[0018] Figure 2 Another schematic diagram of the structure of the display device provided in the embodiment of the present application;

[0019] The reference numerals in the above drawings are as follows:

[0020] 11. Display main board; 111. Reserved interface unit;

[0021] 12. adapter board; 121. first interface unit; 122. second interface unit; 123. fifth interface unit;

[0022] 13. power amplifier board; 131. plug unit; 132. third interface unit;

[0023] 14. Front panel; 15. Button IR LED light sensor module; 16. NFC module; 17. Left speaker; 18. Right speaker;

[0024] 19. audio board; 191. fourth interface unit;

[0025] 20. Left pickup board; 21. Right pickup board; 22. Touch frame. DETAILED DESCRIPTION

[0026] In order to have a clearer understanding of the technical features, purposes and effects of the present application, the specific implementation methods of the present application are further described in detail below in conjunction with the accompanying drawings and Examples. The following examples are only used to illustrate the present application, but are not used to limit the scope of protection of the present application. Based on the embodiments of the present application, other embodiments obtained by those skilled in the art without paying creative work should all belong to the scope of protection of the present application.

[0027] In the description of the present application, it should be noted that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0028] In the description of this application, it should be understood that the numbers in this document, such as "first", "second", etc., are only used to distinguish the objects described, have no sequential or technical meaning, and cannot be understood as stipulating or implying the importance of the objects described.

[0029] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0030] In the description of this application, the term "plurality" refers to two or more than two. In addition, the term "and / or" is only a description of the association relationship of associated objects, indicating that there can be three relationships. For example, A and / or B can mean: A exists alone, A and B exist at the same time, and B exists alone. In addition, the character " / " in this article generally indicates that the associated objects before and after are in an "or" relationship.

[0031] In the description of this application, it should be noted that, unless otherwise defined, all technical and scientific terms used in this application have the same meaning as those commonly understood by those skilled in the art. The terms used in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood by specific circumstances.

[0032] As described in the background technology, the interactive large screen integrates people and digital content to provide people with a high-quality digital life experience, and is applied to commercial complexes, exhibition experience halls, smart advertising, smart tourism, smart homes, financial services, operators and other fields. Currently, the large screens delivered are all integrated, and each module unit cannot be separated separately, which brings great difficulties and increased costs to assembly, transportation, and after-sales. Its circuit connection method is basically connected through the motherboard, which is inefficient in assembly, inconvenient to disassemble, high in after-sales cost, single in form, and unable to provide different customers with choices.

[0033] Reference Figure 1 In order to solve the above problems, according to one aspect of the present application, an embodiment of the present application provides a display device, the display device includes a display main board 11, which is provided with a reserved interface unit 111; an adapter board 12, which is provided with a first interface unit 121 connected to the reserved interface unit 111 and a second interface unit 122 connected to the first interface unit 121; and a power amplifier board 13, which is connected to the second interface unit 122 through a plug docking mode.

[0034] In the embodiment of the present application, the display device is generally an advertising machine, which is used in places such as shopping malls, stations, building corridors, docks, elevators, etc. The information displayed by the display mainboard 11 is one or more of text, icons, images, and videos. In other embodiments, the display mainboard 11 can also be a television or other pure display device, which is not limited here. Whether it is an advertising machine, a television or other pure display device, the specific structure belongs to the common knowledge of those skilled in the art and will not be elaborated in detail here. The display device can also be a business machine suitable for conference rooms, schools, etc. The power amplifier board 13 is a circuit board composed of power amplifier circuit devices, and its function is to amplify the weak signal from the sound source or the pre-amplifier. The adapter board 12 can collect the signal from the display mainboard 11 and forward it to the power amplifier board 13. On the power amplifier board 13, the various signals from the display mainboard 11 are collected and centrally designed to make this type of signal combination more complete, flexible, more convenient to use, more novel, and the adapter board 12 combination function is more powerful, and the customer selectivity is strong. The adapter board 12 is used to realize the transfer of various signals.

[0035] In one embodiment of the present application, an audio interface is reserved on the adapter board 12 or the power amplifier board 13, and the audio interface can be used to connect an external speaker. When the display mainboard 11 recognizes that the external speaker is connected to the audio interface through 3.3V or grounding, the audio signal is directly output to the external speaker for playback, instead of being output to the built-in speaker to output audio.

[0036] The display device of the present application has a display function, and in addition has functions that can be provided by various signals transferred by the power amplifier board 13, providing users with more choices and improving the user experience. At the same time, due to the adapter function of the adapter board 12 in the present application, the display main board 11, the adapter board 12 and the power amplifier board 13 can be detachably connected. Therefore, when assembling the display device, three independent production lines can be used to respectively produce the display main board 11, the adapter board 12 and the power amplifier board 13, and then the display main board 11 and the adapter board 12 are assembled, and the power amplifier board 13 and the adapter board 12 are assembled, so that the display device is assembled; by assembling the display device in the above manner, not only is it avoided that the display device needs to be manufactured in one go, and the manufacturing difficulty is reduced and the output efficiency is improved, but also display main boards 11, adapter boards 12 and power amplifier boards 13 of different shapes can be produced, and functional modules 400 with different functional requirements can be provided with power amplifier boards 13 of the same specifications to obtain display devices of different specifications, thereby meeting the usage needs of different users and improving the display device assembly efficiency is low, inconvenient to disassemble, single form, and unable to provide different customers with choices.

[0037] Reference Figure 1 In one embodiment, the power amplifier board 13 is provided with a plug unit 131, and the plug unit 131 is connected to the second interface unit 122 through a plug docking mode. The power amplifier board 13 is inserted into the second interface unit 122 through the plug unit 131 to achieve the plug docking mode connection between the power amplifier board 13 and the adapter board 12, which can solve the problem that the signal line becomes longer due to signal switching through the adapter board 12, the USB2.0, USB3.0, and HDMI signals are attenuated and delayed, and the eye diagram template test SignalQuality Test and SQ Test are affected, effectively shorten the signal line length, improve the stability and effectiveness of signal transmission, and add a driver chip in the circuit to achieve signal integrity requirements. The power amplifier board 13 is also provided with a power amplifier circuit AMP to amplify the power of the transmitted signal and improve the effectiveness of signal transmission.

[0038] In this embodiment, the plug unit 131 includes: a high-speed HDMI plug, a TYPE-C plug, a USB3.0 plug, an NFC plug and a light-sensing plug, and the second interface unit is provided with a plurality of sockets, which correspond to the high-speed HDMI plug, the TYPE-C plug, the USB3.0 plug, the NFC plug and the light-sensing plug respectively. The plug unit 131 can realize the display of high-speed HDMI signals, TYPE-C signals, USB3.0, NFC, sound pickup, audio algorithm, human body induction, AMP convergence and centralized design, so that this type of signal combination is more complete, flexible, more convenient to use, more novel in style, and the combination function of the adapter board 12 is more powerful, and the customer has strong selectivity.

[0039] In addition, other functional boards or modules can be connected through the power amplifier board 13 and the adapter board 12, which not only enables the display device to have more functions and provides more choices for users, but also facilitates users to flexibly assemble according to actual needs, thereby improving the convenience of use.

[0040] In one embodiment, the second interface unit 122 includes a plurality of plugs, and the power amplifier board 13 is provided with a plurality of sockets, and each plug is connected with each socket through a plug docking mode. The number of sockets will vary according to different functions. The adapter board 12 connects the power amplifier board 13 with the adapter board 12 through the plurality of plugs provided in the second interface unit 122 and the plurality of sockets provided in the power amplifier board 13, so as to shorten the length of the signal line.

[0041] In this embodiment, see Figure 2 The display device further includes a front panel 14, and the power amplifier board 13 further includes a third interface unit 132, and the third interface unit 132 is connected to the front panel 14. The signal detected by the front panel 14 is amplified by the power amplifier board 13 and transmitted to the display main board 11 through the adapter board 12, so as to realize the expansion of functions and the detachability of the function board, so as to facilitate customers to choose different solutions.

[0042] The third interface unit 132 includes an HDMI interface, a TYPE-C interface, a USB3.0 interface, a TOUCH2.0 interface, and a MIC interface. The display device includes an HDMI data cable, a TYPE-C data cable, a USB3.0 data cable, a TOUCH2.0 interface, and a MIC data cable. The HDMI interface is connected to the front panel 14 via HDMI data, the TYPE-C interface is connected to the front panel 14 via a TYPE-C data cable, the USB3.0 interface is connected to the front panel 14 via a USB3.0 data cable, the TOUCH2.0 interface is connected to the front panel 14 via a TOUCH2.0 data cable, and the MIC interface is connected to the front panel 14 via a MIC data cable. The power amplifier board 13 is connected to the front panel 14 via multiple interfaces provided in the third interface unit 132 to transmit HDMI signals, TYPE-C signals, USB3.0 signals, TOUCH2.0 signals, and MIC signals, respectively, thereby realizing the extended function of the front panel 14.

[0043] The display device further includes a key IR LED light sensing module 15, which is connected to the front panel 14. The signal sensed by the key IR LED light sensing module 15 is transmitted to the adapter board 12 through the front panel 14 and the power amplifier board 13, and then forwarded to the display main board 11 through the adapter board 12. The display main board 11 performs relevant processing according to the received IR LED light sensing to realize the corresponding function.

[0044] The third interface unit 132 also includes NFC, which stands for Near Field Communication in English and is named near field communication interface in Chinese. The display device also includes an NFC module 16, and the NFC interface is connected to the NFC module 16. The NFC module 16 is connected to the third interface unit 132, transmits the near field communication signal to the adapter board through the power amplifier board 13, and then forwards the near field communication signal to realize the near field communication function.

[0045] In this embodiment, the display device includes a left speaker 17 and a right speaker 18, and the left speaker 17 and the right speaker 18 are connected to the third interface unit 132 to realize the audio output function. The power amplifier board 13 can have a rear speaker and a front speaker respectively, which are detected and identified through the chip MT9679 GPIO. When the front board 14 is plugged in, the GPIO port is converted from a high level to a low level, and the sound of the rear speaker is output through the MT9679 MUTE, and the sound is output by the front 2*15W speaker.

[0046] In one embodiment, the display device further includes an audio board 19, a left pickup board 20 and a right pickup board 21, the audio board 19 includes a fourth interface unit 191 and an audio board interface, the fourth interface unit 191 is connected to the third interface unit 132, and the audio board interface is connected to the left pickup board 20 and the right pickup board 21. The audio board 19 is connected to the left pickup board 20 and the right pickup board 21 through the audio board interface to realize the directional pickup function. The audio board 19 is used to perform the preprocessing function of the audio signal, including but not limited to directional pickup, AI noise reduction, echo cancellation, reverberation suppression and voice enhancement functions, and is connected to the power amplifier board 13 through the fourth interface unit 191 to transmit the preprocessed audio signal to the adapter board 12 through the power amplifier board 13, and then forward the audio signal to realize the audio input function. The power amplifier board 13 has a 4-pin pickup socket connected to the left and right pickup sockets 2pin*2 of the audio board 19 respectively, and performs AI noise reduction, echo cancellation, reverberation suppression, and voice enhancement. The audio board 19 is also provided with a pickup plug, which is transmitted to the display main board 11 via the audio board USB.

[0047] In this embodiment, the power amplifier board 13 is at least one of a speaker for playing sound and audio output, a front interface for connecting other devices or modules, a front key for triggering a specific function or operation button, an array pickup microphone for noise suppression and voice recognition, and NFC for contactless identity authentication and data transmission.

[0048] In this embodiment, the display device further includes a touch frame 22, and the power amplifier board 13 further includes a fifth interface unit 123, which is connected to the touch frame 22. The touch frame 22 is used for drawing and interacting with a magnetic pen and other components on the screen, and the adapter board 12 communicates with the touch frame 22 through the fifth interface unit 123, receives the touch signal transmitted by the touch frame 22, and forwards it to the display main board 11, thereby realizing the touch interaction function of the display device.

[0049] In this embodiment, the signal from the display main board 11 is collected on the adapter board 12 through the adapter board 12, and then connected to the power amplifier board 13 through the plug docking mode. On the power amplifier board 13, the high-speed HDMI signal, TYPE-C signal, USB3.0, NFC, sound pickup, audio algorithm, human body sensing, and AMP from the display main board 11 are centrally designed to make this type of signal combination more complete, flexible, more convenient to use, and more novel in style. The combination function of the adapter board 12 is more powerful and the customer has strong selectivity.

[0050] In this embodiment, the display main board 11 includes a display screen body, which is used to display information. The specific structure of the display screen body belongs to the common knowledge of those skilled in the art and will not be elaborated in detail here. The user touches the touch frame 22, and the touch frame 22 converts the touch action into an electrical signal, and feeds back the analyzed electrical signal to the adapter board 12. The electrical signal can be fed back to the display screen body through the display main board 11 so that the display screen body displays the required information. At the same time, the electrical signal can also be fed back to the power amplifier board 13 through the adapter board 12 so that the power amplifier board 13 executes the required instructions. The user issues an instruction to the display main board 11, and the display main board 11 converts the instruction into an electrical signal, and feeds back the analyzed electrical signal to the adapter board 12. The electrical signal is fed back to the power amplifier board 13 through the adapter board 12 so that the power amplifier board 13 executes the required instructions.

[0051] In summary, the display device provided by the present embodiment has at least the following beneficial technical effects: the display device of the present application not only has a display function, but also has other functions different from the display function because the display main board 11 in the present application is connected to the power amplifier board 13 through the adapter board 12, connected to the touch frame 22 through the adapter board 12, and connected to the front board 14, NFC module 16, audio board 19 and other functional modules through the power amplifier board 13, which provides users with more choices and improves the user experience, and each functional module is detachably connected. The present embodiment provides a flexible circuit structure and morphological structure for customers to choose, which is convenient for factory-side combination and flexible for distribution to different customers. When manufacturing the display device in this way, multiple independent production lines can be used to manufacture the display main board 11, the adapter board 12, the power amplifier board 13 and various functional modules respectively, and then different schemes can be selected for assembly, which not only avoids the need to manufacture the display device in one go, but also reduces the manufacturing difficulty and improves the output efficiency. At the same time, it can also avoid redundant matching and reduce costs, thereby meeting the use needs of different users, and assembling and after-sales avoid the cumbersome disassembly of the heavy back panel, and the cost is reduced accordingly. This solution is more practical and ornamental, making the product more valuable.

[0052] The above are only preferred implementation modes of the present application, but the protection scope of the present application is not limited thereto. It should be pointed out that for those skilled in the art, several equivalent obvious variations and / or equivalent replacement modes can be made without departing from the technical principles of the present application, and these obvious variations and / or equivalent replacement modes should also be regarded as the protection scope of the present application.

Claims

1. A display device, characterized in that: include: A display main board (11) is provided with a reserved interface unit (111); An adapter plate (12) provided with a first interface unit (121) connected to the reserved interface unit (111) and a second interface unit (122) connected to the first interface unit (121); The power amplifier board (13) is connected to the second interface unit (122) via a plug docking mode.

2. The display device according to claim 1, characterized in that The power amplifier board (13) is provided with a plug unit (131), and the plug unit (131) is connected to the second interface unit (122) via a plug docking mode.

3. The display device according to claim 2, characterized in that The plug unit (131) comprises: a high-speed HDMI plug, a TYPE-C plug, a USB 3.0 plug, an NFC plug and a light sensing plug; the second interface unit (122) is provided with a plurality of sockets, and the plurality of sockets respectively correspond to the high-speed HDMI plug, the TYPE-C plug, the USB 3.0 plug, the NFC plug and the light sensing plug.

4. The display device according to claim 1, characterized in that The second interface unit (122) comprises a plurality of plugs, the power amplifier board (13) is provided with a plurality of sockets, and each of the plugs is connected to each of the sockets in a corresponding manner through a plug docking mode.

5. The display device according to claim 1, characterized in that The display device further comprises a front panel (14), and the power amplifier board (13) further comprises a third interface unit (132), and the third interface unit (132) is connected to the front panel (14).

6. The display device according to claim 5, characterized in that The third interface unit (132) comprises an HDMI interface, a TYPE-C interface, a USB3.0 interface, a TOUCH2.0 interface and a MIC interface; the display device comprises an HDMI data cable, a TYPE-C data cable, a USB3.0 data cable, a TOUCH2.0 interface and a MIC data cable; the HDMI interface is connected to the front panel (14) via the HDMI data; the TYPE-C interface is connected to the front panel (14) via the TYPE-C data cable; the USB3.0 interface is connected to the front panel (14) via the USB3.0 data cable; the TOUCH2.0 interface is connected to the front panel (14) via the TOUCH2.0 data cable; and the MIC interface is connected to the front panel (14) via the MIC data cable; the display device further comprises a key IR LED light sensing module (15); the key IR LED light sensing module (15) is connected to the front panel (14).

7. The display device according to claim 5, characterized in that The third interface unit (132) further comprises an NFC interface, the display device further comprises an NFC module (16), and the NFC interface is connected to the NFC module (16).

8. The display device according to claim 5, characterized in that The display device comprises a left speaker (17) and a right speaker (18), and the left speaker (17) and the right speaker (18) are connected to the third interface unit (132).

9. The display device according to any one of claims 5 to 8, characterized in that: The display device further comprises an audio board (19), a left sound pickup board (20) and a right sound pickup board (21); the audio board (19) comprises a fourth interface unit (191) and an audio board interface; the fourth interface unit (191) is connected to the third interface unit (132); and the audio board interface is connected to the left sound pickup board (20) and the right sound pickup board (21).

10. The display device according to claim 9, characterized in that The display device further comprises a touch frame (22), and the power amplifier board (13) further comprises a fifth interface unit (123), wherein the fifth interface unit (123) is connected to the touch frame (22).

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