CN209912158U - High-definition vivid-picture quality LED full-color display screen blackboard in intelligent classroom - Google Patents

Abstract

The utility model discloses a full-color display screen blackboard of lifelike picture quality LED of high definition in wisdom classroom relates to wisdom classroom technical field, including the lifelike picture quality LED of high definition full-color display screen, setting is at printing opacity clipboard and the controller of the demonstration side of the lifelike picture quality LED full-color display screen of high definition, the controller is with the lifelike picture quality LED full-color display screen signal connection of high definition, the display state of the lifelike picture quality LED full-color display screen of controller control high definition includes full-black screen display at least, full-frame display and black screen and picture subregion show. The full black screen display corresponds to the fact that only the light-transmitting writing board is needed for lecture writing. The full picture displays the corresponding display picture and writes the lecture. The black screen and the picture display the corresponding part of the display picture in different areas and write the handout. By the aid of the mode, the problems that in the prior art, the combined use of multimedia and a writing board is not flexible and convenient enough, and the occupied space is large in multimedia teaching are solved.

Description

High-definition vivid-picture quality LED full-color display screen blackboard in intelligent classroom

Technical Field

The utility model relates to a wisdom classroom technical field particularly, relates to a full-color display screen blackboard of lifelike picture quality LED of high definition in the wisdom classroom.

Background

Multimedia teaching has been popularized in modern teaching and gradually becomes a mainstream teaching mode, teaching is performed by using a method of converting teaching contents into pictures, videos and the like, which is attractive and easy to receive, so that the enthusiasm of teachers and students is obtained, the teaching efficiency of teachers can be improved, and the learning pleasure of the students is also increased. The intelligent classroom system is used as a more advanced teaching mode to give lessons to students more efficiently. Which gives lessons through an electronic whiteboard or by using a projection mode.

Adopt to write on traditional blackboard or whiteboard usually among the prior art, when needs show video picture content, adopt the projected mode, and the projected area that occupies the blackboard of fixed position, be difficult to nimble adjustment projection and the area of writing, inconvenient during the use, video teaching content and lecture are write and are difficult for combining and switching.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to the not enough among the above-mentioned prior art, provide a full-color display screen blackboard of lifelike picture quality LED of high definition in the wisdom classroom to multimedia and writing board combine to use in solving prior art and are not nimble convenient enough, and the great problem of occupation space.

The embodiment of the utility model is realized like this:

the embodiment of the utility model provides an aspect provides a full-color display screen blackboard of lifelike picture quality LED of high definition in wisdom classroom, including the lifelike picture quality LED of high definition full-color display screen, setting is at the printing opacity clipboard and the controller of the demonstration side of the lifelike picture quality LED full-color display screen of high definition, the controller is connected with the lifelike picture quality LED full-color display screen signal of high definition, the display state of the lifelike picture quality LED full-color display screen of controller control high definition includes full-black screen display at least, full-frame display and black screen and picture subregion show.

Optionally, the light-transmitting writing board is a transparent polycarbonate board or a transparent glass board.

Furthermore, at least one surface of the light-transmitting writing board is a frosted surface.

Further, the controller includes computer and independent video source, signal connection between computer and the independent video source, independent video source and the lifelike picture quality LED full-color display screen signal connection of high definition.

Further, the computer comprises a display card provided with a DVI interface; one or more network cable interfaces, one or more DVI interfaces and one or more HDMI interfaces are arranged on the independent video source; the computer passes through the net twine interface of net twine connection independent video source, and the display card passes through the DVI interface of DVI data line connection independent video source, and one or more HDMI interfaces of independent video source are used for external terminal.

Further, the high-definition vivid-picture-quality LED full-color display screen blackboard in the intelligent classroom also comprises a data sending box connected with an independent video source through a DVI data line; the high-definition vivid image quality LED full-color display screen also comprises a data receiving and distributing card, and the data sending box is connected with the data receiving and distributing card through a network cable.

Optionally, the printing opacity clipboard sets up with the demonstration side laminating of the lifelike picture quality LED full-color display screen of high definition.

Further, the side of the printing opacity clipboard and the lifelike picture quality LED full-color display screen of high definition overlaps respectively and is equipped with fixed frame, and the printing opacity clipboard passes through fixed frame fixed connection with the lifelike picture quality LED full-color display screen of high definition.

Further, the fixed frame of printing opacity clipboard passes through buckle and hinge fixed connection with the fixed frame of the lifelike picture quality LED full-color display screen of high definition between.

Further, the high-definition vivid image quality LED full-color display screen blackboard in the intelligent classroom further comprises a video camera, a camera and a printer, wherein the video camera, the camera and the printer are respectively connected with a computer through signals.

The beneficial effects of the utility model include:

the embodiment of the utility model provides a lifelike picture quality LED full-color display screen blackboard of high definition in wisdom classroom, including the lifelike picture quality LED full-color display screen of high definition, setting is at printing opacity clipboard and the controller of the demonstration side of the lifelike picture quality LED full-color display screen of high definition, the controller is with the lifelike picture quality LED full-color display screen signal connection of high definition, the display state of the lifelike picture quality LED full-color display screen of controller control high definition includes full black screen display at least, full picture display and black screen and picture subregion show. When the high-definition vivid picture quality LED full-color display screen is used, the picture display of the high-definition vivid picture quality LED full-color display screen can be flexibly controlled through the controller according to the requirements of using scenes, and when the high-definition vivid picture quality LED full-color display screen is not needed and only the writing board is needed for lecture writing, the controller controls the high-definition vivid picture quality LED full-color display screen to be in a full-black display mode. When a picture is required to be displayed in a full area, the controller controls the high-definition vivid picture quality LED full-color display screen to perform a full-picture display mode, and meanwhile, writing can be performed on the light-transmitting writing board. When the pictures need to be displayed in partial areas and also needs to be written, the controller controls the high-definition vivid-picture-quality LED full-color display screen to display the black screen and the pictures in different areas, so that the lectures can be written on the light-transmitting plate while the pictures are displayed. Use the utility model discloses full-color display screen blackboard of lifelike picture quality LED of high definition in the wisdom classroom on the basis of saving workspace, can combine to broadcast display frame and lecture notes to write two kinds of forms in a flexible way, switches and divides the convenience and easily carry out individualized adjustment at any time, can give lessons in the teaching, work exchange and aspect wide application such as network learning.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of a high-definition vivid-picture-quality LED full-color display screen blackboard in a smart classroom according to an embodiment of the present invention;

fig. 2 is a second schematic structural view of a high-definition vivid-picture-quality LED full-color display screen blackboard in a smart classroom according to an embodiment of the present invention;

fig. 3 is a third schematic structural view of a high-definition vivid-picture-quality LED full-color display screen blackboard in a smart classroom according to an embodiment of the present invention;

fig. 4 is the fourth of the schematic structural diagram of the high-definition vivid image quality LED full-color display screen blackboard in the smart classroom provided by the embodiment of the present invention.

Icon: 100-high-definition vivid-picture-quality LED full-color display screen; 101-a light-transmissive writing board; 1001-data receiving distribution card; 102-a controller; 103-a data sending box; 104-a computer; 1041-display card; 105-an independent video source; 106-terminal; 107-a fixed frame; 109-a camera; 110-a camera; 111-printer.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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 should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The embodiment of the utility model provides a full-color display screen 100 blackboard of lifelike picture quality LED of high definition in wisdom classroom, refer to fig. 1, including lifelike picture quality LED full-color display screen 100 of high definition, the setting is at the printing opacity clipboard 101 and the controller 102 of the demonstration side of the lifelike picture quality LED full-color display screen 100 of high definition, controller 102 and the lifelike picture quality LED full-color display screen 100 signal connection of high definition, the display state of the lifelike picture quality LED full-color display screen 100 of controller 102 control high definition includes full-blackout display at least, full-frame display and blackout and picture divide regional display.

Specifically, as shown in fig. 1, a high-definition realistic-quality LED full-color display screen 100 is installed at a position to be installed, and then a light-transmitting writing board 101 is installed in front of the display side of the high-definition realistic-quality LED full-color display screen 100, that is, on the left side in fig. 2. The controller 102 controls the display mode of the high-definition realistic-quality LED full-color display screen 100.

When the high-definition vivid-picture-quality LED full-color display screen 100 is used, the picture display of the high-definition vivid-picture-quality LED full-color display screen 100 can be flexibly controlled through the controller 102 according to the requirements of a use scene, and when the high-definition vivid-picture-quality LED full-color display screen 100 is not needed and only a writing board is needed for lecture writing, the controller 102 controls the high-definition vivid-picture-quality LED full-color display screen 100 to be in a full-black display mode. When a full-area display screen is needed, the controller 102 controls the high-definition realistic-image-quality LED full-color display screen 100 to perform a full-screen display mode, and can also write on the light-transmitting writing board 101. When the partial area display picture is needed and the writing is needed, the controller 102 controls the high-definition realistic-picture-quality LED full-color display screen 100 to display the picture in the black screen and the picture in the partial area, so that the lecture can be written on the light-transmitting writing board 101 while the picture is displayed. For example: when the high-definition vivid-picture-quality LED full-color display screen 100 blackboard is in a full-display mode, teaching contents (such as pre-made PPT teaching materials or teaching contents called from a local area network or the Internet) of a playing computer 104 and a handheld PPT page turner are displayed and played when the PPT teaching materials are turned over (the PPT teaching materials can be turned over forwards or backwards in the past). When the high definition vivid picture quality LED full color display screen 100 blackboard is in the full black screen mode, a user can write contents on the light-transmitting writing board 101 with a common chalk (or a marking pen, or a liquid pen). When the blackboard of the high-definition vivid-picture-quality LED full-color display screen 100 is displayed in areas of a black screen and pictures, a user can write contents in the area of the black screen and can also write in the display area. Use the utility model discloses lifelike picture quality LED full-color display screen 100 blackboard of high definition in the wisdom classroom, on the basis of saving workspace, can combine to play display picture and lecture writing two kinds of forms in a flexible way, switch and divide conveniently and easily carry out individualized adjustment at any time, can give lessons in the teaching, work exchanges and the aspect wide application such as network learning, it is not nimble convenient enough to combine to use with the writing board in the multimedia teaching among the solution prior art, and the great problem of occupation space. Meanwhile, the high-definition vivid-picture-quality LED full-color display screen 100 blackboard is actively luminous and not passively luminous of an LCD (liquid crystal display), so that the displayed picture is more bright and vivid and has a fresh sense and attracts students to watch, the displayed brightness is far higher than that of the LCD (liquid crystal display), the color distortion is less in low brightness, the brightness can be freely adjusted, and the displayed picture is closer to nature and reality. The LED full-color display screen 100 is formed by splicing unit plates, so that the display area is larger than that of an LCD (liquid crystal display), and the high-definition vivid image quality LED full-color display screen 100 does not have obvious gaps during splicing and is a whole. Because the split joint is adopted, the split joint is not limited by diagonal lines, and the length and the width can be combined at will. The contrast is very high, which can reach 5000: 1.

First, the specific installation position of the controller 102 is not limited in this embodiment, and may be, for example, the left side of the blackboard of the high definition realistic image quality LED full color display 100 in a smart classroom, or the right side.

Secondly, the installation position of the high-definition vivid image quality LED full-color display screen 100 blackboard is not specifically limited in this embodiment, for example, the blackboard can be installed in a classroom where a traditional blackboard is originally installed, or can be installed on a side wall of the classroom.

Alternatively, the light-transmissive writing board 101 is a transparent polycarbonate board or a transparent glass board.

Specifically, the material of the light-transmitting writing board 101 is a transparent polycarbonate board or a transparent glass board. Glass and polycarbonate are widely available and mature in manufacturing processes, both of which have good light transmission.

Further, at least one side of the light-transmitting writing board 101 is a frosted side.

Specifically, when one or both sides of the light-transmitting writing board 101 are frosted, light can be diffusely reflected, which is more beneficial for protecting the eyes of the user.

In the present embodiment, the thickness of the polycarbonate plate is not particularly limited, and may be, for example, 3mm or 4 mm.

Further, as shown in fig. 2, the controller 102 includes a computer 104 and an independent video source 105, the computer 104 is in signal connection with the independent video source 105, and the independent video source 105 is in signal connection with the high definition realistic quality LED full color display screen 100.

Illustratively, referring to fig. 2, the computer 104 is in signal connection with the independent video source 105, and the independent video source 105 is in signal connection with the high definition realistic quality LED full color display screen 100. A controller 102 is formed that is comprised of a computer 104 and an independent video source 105. The computer 104 can control the display content, and the independent video source 105 is used for processing the received video to generate the content which can be identified by the high-definition vivid-picture-quality LED full-color display screen 100. Meanwhile, the independent video source 105 is responsible for controlling the display mode of the high-definition realistic-picture-quality LED full-color display screen 100.

Further, referring to fig. 2, the computer 104 includes a display card 1041 provided with a DVI interface; one or more network cable interfaces, one or more DVI interfaces and one or more HDMI interfaces are arranged on the independent video source 105; the computer 104 is connected to the network cable interface of the independent video source 105 through a network cable, the display card 1041 is connected to the DVI interface of the independent video source 105 through a DVI data line, and one or more HDMI interfaces of the independent video source 105 are used for externally connecting the terminal 106.

Specifically, referring to fig. 2, the computer 104 includes a display card 1041 provided with a DVI interface, and the independent video source 105 is provided with one or more network cable interfaces, one or more DVI interfaces, and one or more HDMI interfaces. The network cable interface of the computer 104 is connected to the network cable input terminal of the independent video source 105 through a network cable, and the display card 1041 with the DVI interface is connected to the input terminal of the DVI interface of the independent video source 105 through a DVI data line. A plurality of HDMI interfaces on independent video source 105 can be external a plurality of terminals 106, for example when using in the wisdom classroom, independent video source 105 can be through the HDMI data line, connect mr's terminal 106, also can connect many students ' terminal 106 simultaneously, transmit video or picture content to independent video source 105 through the HDMI data line, be responsible for handling by independent video source 105, the user can be through independent video source 105 control high definition lifelike image quality LED full-color display screen 100 simultaneously different positions on the screen show a plurality of independent pictures, and can be through the display proportion and the size of every independent picture of independent video source 105 control, can set up the position (width, height and initial point's width, height) of each broadcast picture. The requirement of the students on novelty and change is met, and the lack of attention of the students after aesthetic fatigue is prevented. The input content can be controlled through the computer 104 or the independent video source 105, the independent video source 105 can also independently display a plurality of pictures, and the usability and the versatility of the high-definition vivid-picture-quality LED full-color display screen 100 blackboard in the whole intelligent classroom are further improved.

First, the computer 104 and the terminal 106 can access the lan or the internet when necessary, so that the high-definition realistic-image-quality LED full-color display screen 100 blackboard in the smart classroom in this embodiment can communicate with other classrooms, offices, and meeting rooms through the network through a specific application program such as NETMEETING of MICROSOFT, thereby implementing a web conference.

Second, independent video source 105 can be through the HDMI data line, connect mr's terminal 106, also can connect many students ' terminal 106 simultaneously, thereby realize interactive teaching, connect student's terminal 106, ask questions, electronic homework etc. just can show on the lifelike picture quality LED full-color display screen 100 blackboard of high definition in the wisdom classroom, and simultaneously, mr also can answer and annotate on the lifelike picture quality LED full-color display screen 100 blackboard of high definition in the wisdom classroom, mr's answer and annotation, can pass back on student's terminal 106.

Thirdly, the HDMI data line may be an HDMI high definition signal connection line of an HDMI plug, or an HDMI high definition signal to RJ45 converter, or an RJ45 signal to HDMI high definition signal converter. Both ends all have the 8 core network connection lines of RJ45 plug, this network connection line plug and port all adopt TIA/EIA-568-B standard, make the scope of application wider, this embodiment does not do specific restriction, select according to specific condition when chooseing for use, for example the distance that terminal 106 that the mr used for lecture is far away from independent video source 105, HDMI high definition signal connecting line through both ends all have the HDMI plug, HDMI high definition signal changes RJ45 converter, both ends all have the 8 core network connection lines of RJ45 plug, the converter of RJ45 signal change HDMI video source high definition signal, the HDMI high definition signal connecting line of HDMI plug is connected to independent input port HDMI 105. When the distance between the terminal 106 for the teacher to teach and the independent video source 105 is far and the independent video source 105 has a plurality of HDMI input ports, the HDMI high-definition signal connection line with HDMI plugs at both ends, the HDMI high-definition signal-to-RJ 45 converter, the 8-core network connection line with RJ45 plugs at both ends, the RJ45 signal-to-HDMI high-definition signal converter, and the HDMI high-definition signal connection line of the HDMI plug are connected to one of the plurality of HDMI input ports of the independent video source 105. When the distance between the student terminal 106 and the independent video source 105 is far, and the independent video source 105 has a plurality of HDMI input ports, the HDMI high-definition signal connection line with HDMI plugs at both ends, the HDMI high-definition signal conversion RJ45 converter, the 8-core network connection line with RJ45 plugs at both ends, the RJ45 signal conversion HDMI high-definition signal converter, the HDMI high-definition signal connection line with HDMI plugs is connected, and one of the plurality of HDMI input ports of the independent video source 105 is sequentially accessed according to the sequence of 1 to N.

Fourth, the display card 1041 provided with the DVI interface may be an integrated display card 1041, or an independent display card 1041, which is not limited in this embodiment.

Fifth, the terminal 106 is not limited in this embodiment, and may be, for example, a handheld terminal 106, a general memory, a notebook computer 104, a computer 104, or the like.

Further, referring to fig. 2, the high-definition realistic-quality LED full-color display 100 blackboard in the smart classroom further includes a data transmission box 103 connected to the independent video source 105 through a DVI data line; the high-definition vivid image quality LED full-color display screen 100 further includes a data receiving and distributing card 1001, and the data sending box 103 is connected to the data receiving and distributing card 1001 through a network cable.

Specifically, as shown in fig. 2, the high-definition realistic-quality LED full-color display screen 100 blackboard in a smart classroom further includes a data sending box 103, and the high-definition realistic-quality LED full-color display screen 100 includes a data receiving and distributing card 1001. The independent video source 105 is connected to the data transmission box 103 through a DVI data line, and the data transmission box 103 is connected to the data reception distribution card 1001 through a network line. By using the data transmission box 103 and the corresponding data receiving and distributing card 1001, the upper limit of transmission of a large amount of data simultaneously transmitted can be increased, and the practicability and reliability of the high-definition vivid-image-quality LED full-color display screen 100 blackboard in the whole smart classroom can be further improved. Preferably, the data transmission box 103 may further have 1, 2 or several input ports and other input ports for input DVI ports, or 1, 2 or several output ports and other output ports for output RJ45 ports.

First, the data sending box 103 may be a data sending card built in the computer 104, or may be a data sending box 103 formed by installing a plurality of data sending cards, and may be determined according to requirements of an actual use scenario, and the present embodiment is not particularly limited.

Optionally, as shown in fig. 3, the light-transmitting writing board 101 is attached to the display side of the high-definition realistic-image-quality LED full-color display screen 100.

For example, referring to fig. 3, in order to reduce light leakage between the light-transmitting writing board 101 and the high-definition realistic-quality LED full-color display screen 100 and improve display quality, the light-transmitting writing board 101 and the high-definition realistic-quality LED full-color display screen 100 should be attached to each other, and the smaller the gap, the better.

Further, referring to fig. 3, the light-transmitting writing board 101 and the high-definition vivid image quality LED full-color display screen 100 are respectively sleeved with a fixing frame 107, and the light-transmitting writing board 101 and the high-definition vivid image quality LED full-color display screen 100 are fixedly connected through the fixing frame 107.

For example, as shown in fig. 3, fixing frames 107 are respectively sleeved on the sides of the light-transmitting writing board 101 and the high-definition realistic-image-quality LED full-color display screen 100, and the two fixing frames 107 are fixedly connected to each other. The shape of the frame bars of the two fixed frames 107 is not particularly limited in this embodiment, and may be, for example, a square, a triangle, or the like. Meanwhile, the embodiment does not specifically limit whether the two fixing frames 107 are completely wrapped all around, and for example, the fixing frames may be respectively wrapped on the upper side and the lower side of the light-transmitting writing board 101 and the high-definition vivid-image-quality LED full-color display screen 100, or may be completely wrapped all around.

Further, the fixing frame 107 of the light-transmitting writing board 101 is fixedly connected with the fixing frame 107 of the high-definition vivid-image-quality LED full-color display screen 100 through a buckle and a hinge.

Illustratively, the two fixed frames 107 are connected by a snap and a hinge. The present embodiment does not specifically limit the setting positions of the hinge and the buckle, for example, the hinge may be arranged on the upper sides of the two fixing frames 107, the buckle may be arranged on the lower sides of the two fixing frames 107, and the fixing frame 107 for fixing the transparent writing board 101 is lifted upwards by opening the buckle on the lower side, so as to realize the quick maintenance of the high-definition vivid-image-quality LED full-color display screen 100. The hinge may be provided on the left side of the two fixing frames 107, the fastener may be provided on the right side, and the fixing frames 107 for fixing the translucent writing board 101 may be opened by opening the fixing frames to the left side. All can fix printing opacity clipboard 101 in the lifelike picture quality LED of high definition full-color display screen 100 preceding while again be convenient for the lifelike picture quality LED of high definition full-color display screen 100 of high definition can be fast from positive maintenance when breaking down the utility model discloses a protection scope.

Further, referring to fig. 4, the high definition realistic image quality LED full color display 100 blackboard in the smart classroom further includes a video camera 109, a camera 110 and a printer 111, and the video camera 109, the camera 110 and the printer 111 are respectively in signal connection with the computer 104.

For example, as shown in fig. 4, a video camera 109, a camera 110 and a printer 111 may be externally connected to the computer 104, and it should be noted that the present embodiment does not specifically limit whether the video camera 109, the camera 110 and the printer 111 must be simultaneously set, for example, only the video camera 109 may be externally connected, only the video camera 109 and the camera 110 may be externally connected, only the printer 111 may be externally connected, or the video camera 109, the camera 110 and the printer 111 may not be externally connected. Preferably, the camera 110 may be a CCD camera 110. For example, when a camera 109 (including a high-definition camera, a connection network cable, a hard disk video recorder, a hard disk, a sound pickup device, etc.) is installed at a proper position on the ceiling in front of a blackboard of a high-definition realistic-image-quality LED full-color display screen 100 or on the rear wall in a smart classroom, the camera 109 is connected to a computer 104, corresponding software is installed, an IP address is set, the whole course of a lecture can be recorded and stored, and any frame of image can be called to be watched or printed through a printer 111. When a camera 110 (or a common remote control camera 110) is installed at a proper position on a ceiling in front of a blackboard of the high-definition realistic-image-quality LED full-color display screen 100 in a smart classroom, the camera 110 is connected to a computer 104, corresponding software is installed, and pictures of lectures can be taken and stored. When the computer 104 of the high-definition realistic-picture-quality LED full-color display screen 100 blackboard in a smart classroom is provided with corresponding software, the computer 104 is connected with the printer 111, and then the printed content shot by the camera 110 can be printed.

The present invention will be described below with reference to specific calculations for displaying the picture area using various sizes. The following dimensions are only a part of the embodiments of the present invention, and are not all of the embodiments of the present invention.

In an example, when the high-definition realistic image quality LED full-color display screen 100 is wide and the high-size is 4 meters and 1.4 meters respectively, since the unit boards (also called as module, display unit, display block, and other names) forming the high-definition realistic image quality LED full-color display screen 100 have a plurality of specification models, the unit boards of each specification model have the same pixel number and are wide and different in high size, therefore, the width of the high-definition realistic image quality LED full-color display screen 100 blackboard in a smart classroom may be greater than 4 meters or less than 4 meters, and the height may be greater than 1.4 meters or less than 1.4 meters.

Example two, the high definition realistic quality LED full color display screen 100 has the dot pitch: 0.9375 mm. In this example, the area of the high-definition realistic-quality LED full-color display 100 blackboard is different from the area of the high-definition realistic-quality LED full-color display 100.

The blackboard area when 4.8 meters wide, 1.4 meters high do not contain the frame is: 6.72 square meters.

When the frame is not contained, the high-definition vivid image quality LED full-color display screen 100 is 4.8 meters wide and 1.35 meters high, namely 6.48 square meters. The resolution was 5120 dots by 1440 dots. The upper part and the lower part are centered when the device is installed.

1. In the first mode: full screen mode.

1.1, the area of the full-color display screen of the vivid picture quality LED of wisdom classroom high definition 100 blackboard: width 4.8 meters and height 1.4 meters to 6.72 square meters.

1.2, when the demonstration of the lifelike picture quality LED full-color display screen of high definition 100 presents the full-screen black mode, can supply the mr to write on dull polish polycarbonate board, the blackboard area of writing: width 4.8 meters and height 1.4 meters to 6.72 square meters.

1.3, when the display mode of the high-definition vivid image quality LED full-color display screen 100 is displayed, the terminal 106 for the teacher can play PPT teaching materials on the high-definition vivid image quality LED full-color display screen 100, or the terminal 106 for the teacher can play teaching contents from a local area network and the Internet in real time. At this moment, the display area of the high-definition vivid image quality LED full-color display screen 100: width 4.8 meters and height 1.35 meters to 6.48 square meters.

The 1920 x 1080, or 1280 x 800 or 800 x 600 resolution or other resolution of the teacher terminal 106 may be scaled up to a resolution of: 5120 point 1440 point.

2. In the second mode: half screen mode.

The display states of the high-definition vivid-picture-quality LED full-color display screen 100 are divided into 2 states. In the first state: displaying and presenting a black screen state mode, a second state: the display presents a display status mode. These 2 states are divided into: left and right 2 half-module combination modes. The 2 half-module combination modes can be equally divided or unequally divided. When half of the display exhibits the black screen status mode, the other half is in the display status mode, either to the left or to the right.

2.1, halving mode.

When the half-high definition realistic quality LED full-color display screen 100 shows the display state mode, the resolution is: 2560 dots 1440, area: width 2.4 meters by height 1.35 meters to 3.24 square meters. At this time, the other half high-definition vivid image quality LED full-color display screen 100 presents a black screen status mode, and the resolution is also: 2560 dots 1440, area 2.4 meters wide and 1.35 meters high-3.24 square meters; the area of the blackboard is: width 2.4 meters and height 1.4 meters to 3.36 square meters.

When the half 2560 dots 1440 high-definition vivid image quality LED full-color display screen 100 shows black screen status mode, the teacher can write on the half frosted polycarbonate plate, and the writing blackboard area is as follows: width 2.4 meters and height 1.4 meters to 3.36 square meters.

Meanwhile, when the other half of the high-definition vivid-picture-quality LED full-color display screen 100 displays a display mode, the resolution ratio is as follows: 2560 dots 1440, area: width 2.4 meters by height 1.35 meters to 3.24 square meters.

The half can be used for the teacher to play the PPT teaching materials by using the terminal 106, or can be used for the teacher to play the teaching contents from a local area network and the Internet in real time by using the terminal 106.

The 1920 x 1080, or 1280 x 800 or 800 x 600 resolution or other resolution of the teacher terminal 106 may be scaled up to a resolution of: 2560 points 1440.

2.2, the half display modes are as follows: 4:3 mode.

Half of the display modes are 4:3 when the high-definition vivid image quality LED full-color display screen 100 displays, and the resolution ratio is as follows: 1920 dots by 1440 dots, area: width 1.8 meters and height 1.35 meters to 2.43 square meters.

When half of the full-color display screen 100 (the resolution is 3200 dots by 1440 dots) has a black screen state mode, the full-color display screen can be used for a teacher to write on the half of frosted polycarbonate plate, and the area of the written blackboard is as follows: width 3 meters and height 1.4 meters to 4.2 square meters.

Meanwhile, the other half (resolution: 1920 points by 1440 points) of the high-definition vivid image quality LED full-color display screen 100 displays a display mode, so that a teacher can play PPT teaching materials through the terminal 106, or the teacher can play teaching contents from a local area network and the Internet in real time through the terminal 106. Area: width 1.8 meters and height 1.35 meters to 2.43 square meters.

The 1920 x 1080, or 1280 x 800 or 800 x 600 resolution or other resolution of the teacher terminal 106 may be scaled up to a resolution of: 1920 points 1440 points.

2.3, the half display modes are: 16: mode 9.

The half of the display modes presented when the high-definition vivid-picture-quality LED full-color display screen 100 displays are 16: mode 9, when the resolution is: 2560 dots 1440, area: width 2.4 meters by height 1.35 meters to 3.24 square meters.

When the half (resolution: 2560 dots x 1440) of the full-color LED display screen 100 with high definition and realistic image quality shows a black screen status mode, a teacher can write on the half frosted polycarbonate plate, and the area of the written blackboard is as follows: width 2.4 meters and height 1.4 meters to 3.36 square meters.

Meanwhile, the other half (resolution: 2560 points x 1440 points) of the high-definition vivid image quality LED full-color display screen 100 displays a display mode, so that a teacher can play PPT teaching materials through the terminal 106, or the teacher can play teaching contents from a local area network and the Internet through the terminal 106 in real time. Area: width 2.4 meters by height 1.35 meters to 3.24 square meters.

The 1920 x 1080, or 1280 x 800 or 800 x 600 resolution or other resolution of the teacher terminal 106 may be scaled up to a resolution of: 2560 points 1440.

3. The third mode: the middle part of the high-definition vivid image quality LED full-color display screen 100 is in a display state mode. The two-sided display is in a black screen status mode.

3.1, display mode: 1920 dots by 1080 dots pattern.

The resolution ratio when the high-definition vivid image quality LED full-color display screen 100 displays the display mode is as follows: 1920 points by 1080 points, the high-definition vivid image quality LED full-color display screen 100 blackboard is centered up and down, and centered left and right.

The left side and the right side of the blackboard area which can be written by a teacher when the display of the high-definition vivid-picture-quality LED full-color display screen 100 shows a black screen state mode are as follows: width 1.5 meters by height 1.4 meters to 2.1 square meters.

Meanwhile, the high-definition vivid image quality LED full-color display screen 100 displays a display mode, so that a teacher can play PPT teaching materials through the terminal 106, or the teacher can play teaching contents from a local area network and the Internet in real time through the terminal 106. The area is as follows: width 1.8 meters and height 1.0125 meters is 1.82 square meters.

The 1920 x 1080, or 1280 x 800 or 800 x 600 resolution or other resolution of the teacher terminal 106 may be scaled up to a resolution of: 1920 dots by 1080 dots.

3.2, display mode: 1920 dots by 1080 dots deformation mode.

The left side and the right side of the blackboard area which can be written by a teacher when the display of the high-definition vivid-picture-quality LED full-color display screen 100 shows a black screen state mode are as follows: width 1.5 meters by height 1.4 meters to 2.1 square meters.

Meanwhile, the high-definition vivid image quality LED full-color display screen 100 displays a display mode, so that a teacher can play PPT teaching materials through the terminal 106, or the teacher can play teaching contents from a local area network and the Internet in real time through the terminal 106. The area is as follows: width 1.8 meters and height 1.35 meters to 2.43 square meters.

The 1920 x 1080, or 1280 x 800 or 800 x 600 resolution or other resolution of the teacher terminal 106 may be scaled up or down to a resolution of: 1920 points 1440 points.

3.3, display mode: 16:9 mode.

The left side and the right side of the blackboard area which can be written by a teacher when the display of the high-definition vivid-picture-quality LED full-color display screen 100 shows a black screen state mode are as follows: 1.2 meters wide by 1.4 meters high by 1.68 square meters.

Meanwhile, the high-definition vivid image quality LED full-color display screen 100 displays a display mode, so that a teacher can play PPT teaching materials through the terminal 106, or the teacher can play teaching contents from a local area network and the Internet in real time through the terminal 106. The area is as follows: width 2.4 meters by height 1.35 meters to 3.24 square meters (16:9 mode).

The 1920 x 1080, or 1280 x 800 or 800 x 600 resolution or other resolution of the teacher terminal 106 may be scaled up or down to a resolution of: 2560 points 1440.

The size of the blackboard of the high-definition realistic image quality LED full-color display screen 100 (with the dot pitch of 0.9357MM) in the preferred embodiment can further be as follows:

the display size of the 100 blackboards of the high-definition vivid-picture-quality LED full-color display screen in the intelligent classroom is as follows: width: 4.32 meters, high: 1.4 m, area: 6.048 square meters. High-definition vivid image quality LED full-color display screen 100 is wide: 4.32 meters, high: 1.35 m, area: 5.832 square meters; resolution ratio: 4320 point 1440 point.

In example three, the high definition realistic quality LED full color display screen 100 has the following dot spacing: 1mm, blackboard when not containing frame: width 5.12 meters and height 1.536 meters 7.8643 square meters. Resolution was 5120 dots by 1536 dots.

1. In the first mode: full screen mode.

1.1, the area of the full-color display screen of the vivid picture quality LED of wisdom classroom high definition 100 blackboard: width 5.12 meters and height 1.536 meters 7.8643 square meters.

1.2, when the demonstration of the lifelike picture quality LED full-color display screen of high definition 100 presents the full-screen black screen mode, can supply the teacher to write on dull polish polycarbonate board, the blackboard area of writing: width 5.12 meters and height 1.536 meters 7.8643 square meters.

1.3, when the display mode of the high-definition vivid picture quality LED full-color display screen 100 is displayed, the terminal 106 for the teacher can play PPT teaching materials on the high-definition vivid picture quality LED full-color display screen 100, or the terminal 106 for the teacher can play teaching contents from a local area network and the Internet in real time. At this moment, the display area of the high-definition vivid image quality LED full-color display screen 100: width 5.12 meters and height 1.536 meters 7.8643 square meters.

Further, 1920 x 1080, or 1280 x 800 or 800 x 600 resolution or other resolutions of teacher terminal 106 may be scaled up to a resolution of: 5120 points 1536 points.

2. In the second mode: half screen mode.

The display states of the high-definition vivid-picture-quality LED full-color display screen 100 are divided into 2 states. In the first state: displaying and presenting a black screen state mode, a second state: the display presents a display status mode. These 2 states are divided into: left and right 2 half-module combination modes. The 2 half-module combination modes can be equally divided or unequally divided. When half of the display exhibits the black screen status mode, the other half is in the display status mode, either to the left or to the right.

2.1, halving mode.

When the half-high definition realistic quality LED full-color display screen 100 shows the display state mode, the resolution is: 2560 dots by 1536 dots, area: width 2.56 meters and height 1.536 meters 3.932 square meters. At this time, the other half high-definition vivid image quality LED full-color display screen 100 presents a black screen status mode, and the resolution is also: 2560 dots 1536 dots, area 2.56 meters wide and 1.536 meters high and 3.932 square meters.

When the half 2560 dots 1536 dots high-definition vivid image quality LED full-color display screen 100 shows the black screen state mode, the display can be written on the half frosted polycarbonate plate by a teacher, and the writing blackboard area is as follows: width 2.56 meters and height 1.536 meters 3.932 square meters.

Meanwhile, when the other half of the high-definition vivid-picture-quality LED full-color display screen 100 displays a display mode, the resolution ratio is as follows: 2560 dots by 1536 dots, area: width 2.56 meters and height 1.536 meters 3.932 square meters.

The half can be used for teachers to play PPT teaching materials through the terminal 106, or used for teachers to play teaching contents from a local area network and the internet in real time through the terminal 106.

Further, 1920 x 1080, or 1280 x 800 or 800 x 600 resolution or other resolutions of teacher terminal 106 may be scaled up to a resolution of: 2560 points 1536 points.

2.2, the half display modes are as follows: 4:3 mode.

Half of the display modes are 4:3 when the high-definition vivid image quality LED full-color display screen 100 displays, and the resolution ratio is as follows: 1920 dots by 1536 dots, area: width 1.92 meters and height 1.536 meters to 2.43 square meters.

When the half (resolution: 2048 dots by 1536 dots) of the full-color LED display screen 100 with high definition and realistic image quality shows a black screen status mode, a teacher can write on the half frosted polycarbonate plate, and the area of the written blackboard is as follows: width 3.072 meters by 1.536 meters by 4.72 square meters.

Meanwhile, the other half (resolution: 2048 points by 1536 points) of the high-definition realistic image quality LED full-color display screen 100 displays a display mode, so that a teacher can play PPT teaching materials by using the terminal 106, or the teacher can play teaching contents from a local area network and the Internet in real time by using the terminal 106. Area: width 2.048 meters and height 1.536 meters to 3.15 square meters.

The 1920 x 1080, or 1280 x 800 or 800 x 600 resolution or other resolutions of teacher terminal 106 may be scaled up to a resolution of: 2048 dots by 1536 dots.

2.3, the half display modes are: 16: mode 9.

The half of the display modes presented when the high-definition vivid-picture-quality LED full-color display screen 100 displays are 16: mode 9, when the resolution is: 2731 dots by 1536 dots, area: width 2.731 m, height 1.536 m-4.2 m.

When the half (resolution: 2389 dot 1536 dot) of the full-color LED display screen 100 with high definition and realistic image quality displays a black screen status mode, a teacher can write on the half frosted polycarbonate plate, and the area of the written black screen is as follows: width 2.389 m, height 1.536 m, 3.67 m.

Meanwhile, the other half (the resolution: 2731 × 1536) of the full-color LED display screen 100 with high definition and realistic image quality displays a display mode, so that the teacher terminal 106 can play the PPT teaching material, or the teacher terminal 106 can play teaching contents from a local area network and the internet in real time. Area: width 2.731 m, height 1.536 m-4.2 m.

The 1920 x 1080, or 1280 x 800 or 800 x 600 resolution or other resolutions of teacher terminal 106 may be scaled up to a resolution of: 2731 points 1536 points.

3. The third mode: the middle part of the high-definition vivid image quality LED full-color display screen 100 is in a display state mode. The two-sided display is in a black screen status mode.

3.1, display mode: 1920 dots by 1080 dots pattern.

The resolution ratio when the high-definition vivid image quality LED full-color display screen 100 displays the display mode is as follows: 1920 points by 1080 points, the high-definition vivid image quality LED full-color display screen 100 blackboard is centered up and down, and centered left and right.

The left side and the right side of the blackboard area which can be written by a teacher when the display of the high-definition vivid image quality LED full-color display screen 100 shows a black screen state mode are as follows: width 1.6 m, height 1.536 m 2.4576 m.

Meanwhile, the high-definition vivid image quality LED full-color display screen 100 displays a display mode, and can be used for teachers to play PPT teaching materials through the terminal 106 or can be used for teachers to play teaching contents from a local area network and the Internet in real time through the terminal 106. The area is as follows: width 1.92 m, height 1.08 m 2.074 m.

Further, 1920 x 1080, or 1280 x 800 or 800 x 600 resolution or other resolutions of teacher terminal 106 may be scaled up to a resolution of: 1920 dots by 1080 dots.

3.2, display mode: 1920 dots by 1080 dots deformation mode.

The left side and the right side of the blackboard area which can be written by a teacher when the display of the high-definition vivid image quality LED full-color display screen 100 shows a black screen state mode are as follows: width 1.6 m, height 1.536 m 2.4576 m.

Meanwhile, the high-definition vivid image quality LED full-color display screen 100 displays a display mode, and can be used for teachers to play PPT teaching materials through the terminal 106 or can be used for teachers to play teaching contents from a local area network and the Internet in real time through the terminal 106. The area is as follows: width 1.92 meters and height 1.536 meters to 2.95 square meters.

Further, 1920 x 1080, or 1280 x 800 or 800 x 600 resolution or other resolutions of teacher terminal 106 may be scaled up or down to a resolution of: 1920 points by 1536 points.

3.3, display mode: 16:9 mode.

The left side and the right side of the blackboard area which can be written by a teacher when the display of the high-definition vivid image quality LED full-color display screen 100 shows a black screen state mode are as follows: 1.195 meters wide by 1.536 meters high by 1.84 square meters.

Meanwhile, the high-definition vivid image quality LED full-color display screen 100 displays a display mode, and can be used for teachers to play PPT teaching materials through the terminal 106 or can be used for teachers to play teaching contents from a local area network and the Internet in real time through the terminal 106. The area is as follows: width 2.73 meters and height 1.536 meters to 4.2 square meters (16:9 mode).

Further, 1920 x 1080, or 1280 x 800 or 800 x 600 resolution or other resolutions of teacher terminal 106 may be scaled up or down to a resolution of: 2730 points 1536 points.

The high-definition vivid image quality LED full-color display screen 100 has the following point intervals: 1 mm. Its dimensions may further be preferred:

the display size of the 100 blackboards of the high-definition vivid-picture-quality LED full-color display screen in the intelligent classroom is as follows: width: 4.096 meters, high: 1.536 m, area: 6.29 square meters. High-definition vivid image quality LED full-color display screen 100 is wide: 4.096, high: 1.536 m, area: 6.29 square meters; resolution ratio: 4096 dots 1536 dots.

Example four, the high definition realistic quality LED full color display screen 100 has the dot pitch: 1.25mm, blackboard when not containing frame: width 4.8 meters by height 1.5 meters by 7.2 square meters, resolution 3840 dots by 1200 dots.

Preferably, the high-definition realistic-picture-quality LED full-color display screen 100 has a dot pitch of: 1.25 mm. Its size can also be transformed into:

1. blackboard when not containing frame: width 4 meters by height 1.5 meters by 6 square meters, resolution 3200 dots by 1200 dots.

2. Blackboard when not containing frame: width 4.32 m and height 1.4 m 6.048 m. The high-definition realistic-quality LED full-color display screen 100 is 4.32 m wide and 1.35 m high, which is 5.832 square meters, and the resolution is 3456 dots and 1080 dots.

Example five, the high definition realistic quality LED full color display screen 100 has the dot pitch: 1.25mm, blackboard when not containing frame: width 5.2 m × height 1.5m × 7.8 m, resolution 4160 dots × 1200 dots.

In the sixth example, the dot pitch of the high-definition vivid-picture-quality LED full-color display screen 100 is: 1.56 mm. Blackboard when not containing frame: width 4 meters by height 1.5 meters by 6 square meters, resolution 2560 dots by 960 dots.

Example seven, the high definition realistic quality LED full color display screen 100 has the dot pitch: 2mm, blackboard when no frame: width 4.096 meters by height 1.536 meters to 6.29 square meters, resolution 2048 points by 768 points.

Example eight, the high definition realistic quality LED full color display screen 100 has the dot pitch: 2.5mm, blackboard when not containing frame: width 4.8 meters by height 1.6 meters by 7.68 square meters, resolution 1920 dots by 640 dots.

In the ninth example, the dot pitch of the high-definition vivid-picture-quality LED full-color display screen 100 is: 2.5mm, blackboard when not containing frame: width 4.8 meters by height 1.44 meters 6.912 square meters, resolution 1920 dots by 576 dots.

In the tenth example, the dot pitch of the high-definition realistic-quality LED full-color display screen 100 is: 1.875mm, blackboard when not containing frame: width 4.08 m × height 1.44 m × 5.8752 m square, resolution 2176 dots × 768 dots.

In the eleventh example, the dot pitch of the high-definition realistic-quality LED full-color display screen 100 is: 1.388mm, blackboard when not containing frame: width 4 meters by height 1.5 meters 6 square meters, resolution 2880 dots by 1080 dots.

In short, the independent video source 105 can arbitrarily enlarge or reduce the number of wide and high pixels of the display of the computer 104 to the full-color LED display 100 with high definition and vivid image quality. The independent video source 105 has the function of arbitrarily enlarging or reducing the wide and high pixel point number of the display of the terminal 106 to the high-definition vivid-picture-quality LED full-color display screen 100.

Therefore, all the unit plates with the dot spacing less than or equal to 3mm (the unit plates with different dot spacings have different sizes) can be spliced into the following parts: width: the high-definition vivid-picture-quality LED full-color display screen 100 blackboard is larger than or smaller than 4 meters and the height of the high-definition vivid-picture-quality LED full-color display screen 100 blackboard is larger than or smaller than 1.4 meters.

The dot spacing also has specification models of 3mm, 2.976mm, 2.5mm, 2.08mm, 2mm, 1.923mm, 1.904mm, 1.875mm, 1.85mm, 1.667mm, 1.56mm, 1.5mm, 1.49mm, 1.45mm, 1.388mm, 1.27mm, 1.25mm, 1.07mm, 1.04mm, 1mm and the like. The cell plate with the dot spacing smaller than 1mm also has the dot spacing: the specification models of 0.90mm, 0.9375mm and 0.99m are already in the pilot stage with a point spacing: 0.7mm and 0.8 mm. The unit boards made of the point distances can be combined into a high-definition vivid-image-quality LED full-color display screen 100 blackboard for intelligent classrooms with different widths and heights according to different school types and classroom types.

To sum up, all the points are spaced by the distance: p0.7mm to p1mm and dot spacing: the high-definition vivid image quality unit board is made of specification models between p1mm and p3 mm; further, the manufactured high-definition vivid image quality LED full-color display screen 100; further, with the lifelike picture quality LED full-color display screen 100 blackboards of the lifelike picture quality LED full-color display screen 100 integrated innovation of high definition that makes the utility model discloses a protection scope.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a lifelike picture quality LED full-color display screen blackboard of high definition in wisdom classroom, a serial communication port, be in including lifelike picture quality LED full-color display screen of high definition, setting the printing opacity clipboard and the controller of the demonstration side of the lifelike picture quality LED full-color display screen of high definition, the controller with lifelike picture quality LED full-color display screen signal connection of high definition, controller control the display state of the lifelike picture quality LED full-color display screen of high definition includes full black screen display, full picture display and black screen and picture subregion demonstration at least.

2. The blackboard with high-definition vivid image quality and the LED full-color display screen in the intelligent classroom as claimed in claim 1, wherein the light-transmitting writing board is a transparent polycarbonate board or a transparent glass board.

3. The blackboard with high-definition vivid image quality and LED full-color display screen in the intelligent classroom as claimed in claim 2, wherein at least one surface of the light-transmitting writing board is frosted.

4. The blackboard according to any one of claims 1 to 3, wherein the controller includes a computer and an independent video source, the computer is in signal connection with the independent video source, and the independent video source is in signal connection with the high-definition realistic quality LED full-color display screen.

5. The blackboard with high-definition vivid image quality and the LED full-color display screen in the intelligent classroom as claimed in claim 4, wherein the computer comprises a display card provided with a DVI interface; one or more network cable interfaces, one or more DVI interfaces and one or more HDMI interfaces are arranged on the independent video source; the computer passes through the net twine connection the net twine interface of independent video source, the display card passes through DVI data line connection the DVI interface of independent video source, one or more HDMI interfaces of independent video source are used for external terminal.

6. The blackboard with high-definition vivid image quality and the LED full-color display screen in the intelligent classroom as claimed in claim 5, further comprising a data sending box connected with the independent video source through a DVI data line; the high-definition vivid image quality LED full-color display screen further comprises a data receiving and distributing card, and the data sending box is connected with the data receiving and distributing card through a network cable.

7. The blackboard with high-definition vivid image quality and LED full-color display screen in the intelligent classroom as claimed in claim 1, wherein the light-transmitting writing board is attached to the display side of the high-definition vivid image quality and LED full-color display screen.

8. The blackboard with high-definition vivid image quality and LED full-color display screens in the intelligent classroom according to claim 7, wherein fixing frames are respectively sleeved on the side edges of the light-transmitting writing board and the high-definition vivid image quality and LED full-color display screens, and the light-transmitting writing board is fixedly connected with the high-definition vivid image quality and LED full-color display screens through the fixing frames.

9. The blackboard with high-definition vivid image quality and LED full-color display screen in the intelligent classroom as claimed in claim 8, wherein the fixing frame of the light-transmitting writing board is fixedly connected with the fixing frame of the high-definition vivid image quality LED full-color display screen through a buckle and a hinge.

10. The blackboard with high-definition vivid image quality and LED full-color display screen in the intelligent classroom as claimed in claim 6, further comprising a video camera, a camera and a printer, wherein the video camera, the camera and the printer are respectively connected with the computer through signals.

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