KR102483770B1 - Electronic Board that Supports High-Speed Mirroring with Multiple Students - Google Patents

Abstract

The present invention relates to an electronic board supporting high-speed mirroring with a plurality of students and, more specifically, to an electronic board supporting high-speed mirroring with a plurality of students, which accommodates an LCD panel unit and a control unit inside a space formed by fastening of a frame unit and a rear-surface case unit, stably mounts an OPS that can be mounted onto the electronic board through an OPS slot unit included in the rear-surface case unit, allows a Wi-Fi slot unit additionally included in the rear-surface case unit to be disposed at a position where a user can easily use the electronic board, and supports high-speed mirroring on a screen of a device used by a plurality of students through the OPS and a Wi-Fi module mounted onto the OPS slot unit and the Wi-Fi slot unit.

Description

Electronic Board that Supports High-Speed Mirroring with Multiple Students}

The present invention relates to an electronic blackboard supporting high-speed mirroring with a plurality of students, and more particularly, an LCD panel unit and a control unit are accommodated in an internal space formed by fastening a frame unit and a rear case unit, and the rear case unit The OPS that can be mounted on the electronic board is stably mounted through the included OPS slot, and the Wi-Fi slot additionally included in the rear case is placed in a convenient position for the user to use the electronic board, and the OPS slot and The present invention relates to an electronic blackboard supporting high-speed mirroring with a plurality of students, which supports mirroring of a screen of a device used by a plurality of students at high speed through an OPS and a Wi-Fi module mounted on the Wi-Fi slot unit.

As devices equipped with screens, such as smart phones, are commonly used by people, devices equipped with various types of screens are being introduced in various fields. In particular, in educational institutions such as schools and academies, a method of writing using various types of writing devices on a large screen, such as an electronic blackboard, away from the conventional method of writing directly on a blackboard or whiteboard with chalk, markers, etc. This situation is spreading.

On the other hand, as non-face-to-face education and video conferences have recently increased significantly due to the corona virus, etc., non-face-to-face education or video conferences have become commonplace, and accordingly, various technological developments have been made to support such non-face-to-face education on electronic blackboards. are losing

In addition to the non-face-to-face education, when students conduct classes using devices such as tablet PCs, the need for teachers to comprehensively check each student's device screen to manage the class status of each student is increasing. Therefore, although mirroring in which the screens of various devices connected to the electronic board are displayed in real time is supported on the electronic board, the processor embedded in the electronic board is not suitable for processing mirroring for numerous devices, so mirroring is not implemented, or the electronic board There is a problem such that the screen mirrored on the screen is delayed.

In addition, in order to support smooth mirroring, the electronic blackboard is equipped with a communication module including Wi-Fi, but in the conventional electronic blackboard, in most cases, the communication module is disposed on the front of the electronic blackboard to facilitate attachment and detachment of the communication module. . In this case, the communication module can be easily attached or detached, but from the point of view of a teacher who is standing in front of the electronic blackboard and conducting classes such as writing, the communication module's antenna obstructs the movement, and even the teacher's movement causes the communication module to be separated. This will cause breakage problems.

Therefore, there is a need to develop an electronic board capable of supporting high-speed mirroring for a large number of students while improving the above-mentioned structural problems of the electronic board.

The present invention relates to an electronic blackboard supporting high-speed mirroring with a plurality of students, and more particularly, an LCD panel unit and a control unit are accommodated in an internal space formed by fastening a frame unit and a rear case unit, and the rear case unit The OPS that can be mounted on the electronic board is stably mounted through the included OPS slot, and the Wi-Fi slot additionally included in the rear case is placed in a convenient position for the user to use the electronic board, and the OPS slot and It is an object of the present invention to provide an electronic blackboard supporting high-speed mirroring with a plurality of students, which supports mirroring of a screen of a device used by a plurality of students at high speed through the OPS and Wi-Fi module mounted on the Wi-Fi slot unit.

In order to solve the above problems, in one embodiment of the present invention, an electronic blackboard supporting high-speed mirroring with a plurality of students includes a plurality of frame members, and an empty space is formed inside according to the fastening of the plurality of frame members. a frame portion formed; an LCD panel unit disposed in an empty space of the frame unit; a controller disposed on a rear side of the LCD panel unit and including one or more processors and one or more memories; and a rear case portion disposed on the rear side of the control unit, having a front edge fastened to the rear edge of the frame unit, and accommodating the LCD panel unit and the control unit in an internal space formed by the fastening with the frame unit. And, the rear case unit is disposed on one side of the rear case unit, one side is open, OPS (Open Pluggable Specification) is fastened in a sliding manner, the OPS slot unit electrically connecting the OPS and the control unit; And a Wi-Fi slot unit for electrically connecting the Wi-Fi module and the control unit by fastening the Wi-Fi module to one of one side and the bottom of the rear case unit; including, an electronic blackboard supporting high-speed mirroring with a plurality of students to provide.

In one embodiment of the present invention, the OPS slot unit is disposed on the other side of the OPS slot unit, and is coupled to the OPS to electrically connect the OPS and the control unit to a connector unit of a predetermined standard; and an OPS fixing member made of a flexible metallic material, having an arch shape, disposed on each of the upper and lower surfaces of the OPS slot, and fixing both side surfaces of the OPS slidably fastened to the OPS slot. ; can be included.

In one embodiment of the present invention, the electronic blackboard supporting high-speed mirroring with a plurality of students further includes a plurality of OPS fastening members, wherein one or more grooves are formed on the upper side of the OPS fastening member, and one or more grooves are formed on the lower side. A screw head having a cylindrical shape with an open side and an internal space exposed; a screw pillar portion disposed on a lower side surface of the screw head portion and extending downward, and having a screw thread formed in a central portion thereof; a spring part disposed in the inner space of the screw head part and extending along the screw pillar part; And a first fixing part having a cylindrical shape coupled to a part of the inner space of one side of the spring part, and a second fixing part disposed on the bottom surface of the first fixing part and having a larger diameter than the diameter of the first fixing part. A stopper part; may be included.

In one embodiment of the present invention, first fastening holes are formed on both sides of the input port panel provided in the OPS, and the rear case portion has screw grooves formed on the inner circumferential surface corresponding to each of the first fastening holes. An insertion hole; wherein the OPS is introduced into the OPS slot and the OPS fastening member is inserted into the first fastening hole and the insertion hole overlapping each other, and the screw thread and the screw thread formed on the screw pillar of the OPS fastening member Screw grooves formed on the inner circumferential surface of the insertion hole may be coupled to each other.

In one embodiment of the present invention, the control unit, a communication unit for performing communication with one or more user terminals through the Wi-Fi module fastened to the Wi-Fi slot unit; and a mirroring performing unit that displays a mirroring interface on the LCD panel of the electronic board, in which a screen displayed on one or more user terminals communicating with the communication unit is mirrored.

According to one embodiment of the present invention, since the adhesive border portion composed of a plurality of adhesive tapes is disposed between the glass substrate and the LCD panel unit to bond the glass substrate and the LCD panel unit, the gap between the glass substrate and the LCD panel unit is reduced. Since the interval is minimized, the effect of improving the transmittance and viewing angle of the screen of the electronic blackboard can be exhibited.

According to one embodiment of the present invention, the adhesive border portion composed of a plurality of adhesive tapes includes an inner area, and since no separate adhesive is applied to the inner area, a large amount of adhesive is applied to the glass substrate and the LCD panel. Since no adhesive is used, it is possible to efficiently bond the glass substrate and the LCD panel unit, and it is possible to exhibit an effect of preventing contamination due to abuse of the adhesive.

According to one embodiment of the present invention, since the upper surface of the glass substrate is supported by the transmission filter unit fastened to the frame member, the glass substrate can be supported without an additional member for supporting the glass substrate, thereby increasing the efficiency of the electronic blackboard. The effect of simplifying the structure can be exerted.

According to one embodiment of the present invention, the OPS is slidably engaged through the OPS slot portion disposed on one side of the rear case portion, and the OPS is electrically connected to the control unit through the OPS slot portion, so that Since the mirroring function can be performed through the OPS instead of the built-in processor and memory, a smooth mirroring function can be implemented and an effect that does not require replacement of the processor and memory embedded in the electronic board can be exhibited.

According to one embodiment of the present invention, since the Wi-Fi slot to which the Wi-Fi module is fastened is provided on one of the side surfaces and the bottom of the rear case portion, the Wi-Fi module does not interfere with the movement of the user using the electronic blackboard. can be effective.

According to one embodiment of the present invention, since the OPS slot portion is made of a flexible metallic material and includes OPS fixing members disposed on both sides to limit the movement of the OPS fastened in a sliding manner, the fastened OPS can be stabilized. can exert a supportive effect.

According to one embodiment of the present invention, since the OPS fastening member includes a stopper supported by the spring part, the OPS fastening member can exhibit an effect of stably fastening without being damaged through the OPS fastening member.

According to one embodiment of the present invention, since the mirroring performing unit mirrors the screen of one or more user terminals communicating through the Wi-Fi module on the electronic blackboard, it can exert an effect of supporting various types of classes including non-face-to-face education. .

1 schematically shows an exploded perspective view of an electronic blackboard according to an embodiment of the present invention.
2 schematically shows a structure in which a glass substrate, an adhesive rim portion, and an LCD panel portion are laminated according to an embodiment of the present invention.
3 schematically shows a structure in which a glass substrate and an LCD panel are bonded by an adhesive rim according to an embodiment of the present invention.
Figure 4 schematically shows an adhesive border portion adhered to the bottom surface of the glass substrate according to an embodiment of the present invention.
5 schematically illustrates a cross-sectional view of an electronic board displaying a frame portion and a rear case portion according to an embodiment of the present invention.
6 schematically illustrates a cross-sectional view of an electronic blackboard displaying a glass substrate fixing member, a light emitting sensor unit, and a transmission filter unit according to an embodiment of the present invention.
7 schematically illustrates a bottom view of a rear case unit according to an embodiment of the present invention.
8 schematically illustrates a side view of an electronic blackboard including a rear case and a port housing included in the rear case according to an embodiment of the present invention.
9 schematically illustrates an OPS according to an embodiment of the present invention.
10 schematically shows an OPS fastening member according to an embodiment of the present invention.
11 schematically shows that an OPS is fastened to an OPS slot through an OPS fastening member according to an embodiment of the present invention.
12 schematically illustrates a control unit according to an embodiment of the present invention.
13 schematically illustrates a mirroring interface displayed on an electronic board by a mirroring performer according to an embodiment of the present invention.

In the following, various embodiments and/or aspects are disclosed with reference now to the drawings. In the following description, for purposes of explanation, numerous specific details are set forth in order to facilitate a general understanding of one or more aspects. However, it will also be appreciated by those skilled in the art that such aspect(s) may be practiced without these specific details. The following description and accompanying drawings describe in detail certain illustrative aspects of one or more aspects. However, these aspects are exemplary and some of the various methods in principle of the various aspects may be used, and the described descriptions are intended to include all such aspects and their equivalents.

Moreover, various aspects and features will be presented by a system that may include a number of devices, components and/or modules, and the like. It should also be noted that various systems may include additional devices, components and/or modules, and/or may not include all of the devices, components, modules, etc. discussed in connection with the figures. It must be understood and recognized.

"Example", "example", "aspect", "exemplary", etc., used herein should not be construed as preferring or advantageous to any aspect or design being described over other aspects or designs. . The terms '~unit', 'component', 'module', 'system', 'interface', etc. used below generally mean a computer-related entity, and for example, hardware, hardware It may mean a combination of and software, software.

Also, the terms "comprises" and/or "comprising" mean that the feature and/or element is present, but excludes the presence or addition of one or more other features, elements and/or groups thereof. It should be understood that it does not.

In addition, terms including ordinal numbers, such as first and second, may be used to describe various components, but the components are not limited by the terms. These terms are only used for the purpose of distinguishing one component from another. For example, a first element may be termed a second element, and similarly, a second element may be termed a first element, without departing from the scope of the present invention. The terms and/or include any combination of a plurality of related recited items or any of a plurality of related recited items.

In addition, in the embodiments of the present invention, unless otherwise defined, all terms used herein, including technical or scientific terms, are generally understood by those of ordinary skill in the art to which the present invention belongs. has the same meaning as Terms such as those defined in commonly used dictionaries should be interpreted as having a meaning consistent with the meaning in the context of the related art, and unless explicitly defined in the embodiments of the present invention, an ideal or excessively formal meaning not be interpreted as

1. Electronic blackboard that minimizes the distance between the panel and the cover glass by applying an eco-friendly method

Prior to explaining the electronic blackboard (10000) supporting high-speed mirroring with a plurality of students of the present invention, the electronic blackboard (10000) in which the distance between the panel and the cover glass is minimized by applying an eco-friendly method will be first described. .

1 schematically shows an exploded perspective view of an electronic blackboard 10000 according to an embodiment of the present invention.

As shown in FIG. 1, as an electronic blackboard 10000, a glass substrate 2000; a plurality of glass substrate fixing members 2100 attached to a plurality of predetermined positions of the bottom edge of the glass substrate 2000; A first adhesive tape 3100 attached in a horizontal direction from the upper side of the bottom surface of the glass substrate 2000, and a lower vertical direction from one end of the first adhesive tape 3100 to the bottom surface of the glass substrate 2000 A second adhesive tape 3200 attached, a third adhesive tape 3300 attached to the bottom surface of the glass substrate 2000 in a downward vertical direction from the other end of the first adhesive tape 3100, and the second adhesive A tape 3200 and a fourth adhesive tape 3400 attached to the bottom surface of the glass substrate 2000 in a horizontal direction from the lower side of the third adhesive tape 3300, and the first to fourth adhesive tapes an adhesive rim portion 3000 in which an inner space 3500 is formed by 3400; an LCD panel unit 4000 attached to the bottom surface of the glass substrate 2000 by the adhesive border unit 3000; and a frame unit 1000 including a plurality of frame members 1100 to 1400 and having an empty space formed therein according to the fastening of the plurality of frame members 1100 to 1400. ) A plurality of glass substrate fixing members 2100 attached to the bottom surface of the glass substrate 2000 are fastened to the inside of the frame portion 1000 by the glass substrate 2000 and the adhesive rim portion 3000 The LCD panel unit 4000 attached to may be disposed in the empty space of the frame unit 1000.

Specifically, the electronic blackboard 10000 of the present invention has a plurality of components that drive the electronic blackboard 10000 and display information in an internal space formed by fastening the frame part 1000 and the rear case part 5000. may be accepted. More specifically, in a conventional electronic blackboard, a glass substrate and an LCD panel corresponding to components for displaying information are accommodated in an internal space, and at this time, the glass substrate and the LCD panel are spaced apart by a predetermined distance.

On the other hand, in the electronic blackboard 10000 of the present invention, the glass substrate 2000 and the LCD panel unit 4000 are accommodated in the internal space, and at this time, the glass substrate 2000 and the LCD panel unit 4000 are spaced apart by a predetermined distance. Instead, the glass substrate 2000 and the LCD panel unit 4000 have a minimum distance. Preferably, an adhesive border portion 3000 is disposed between the glass substrate 2000 and the LCD panel portion 4000, and the glass substrate 2000 and the LCD panel portion ( 4000) is attached, so it has the minimum distance.

In addition, in the present invention, in accommodating the bonded glass substrate 2000 and the LCD panel unit 4000 in the internal space of the electronic board 10000, the bonded glass substrate 2000 and the LCD panel unit 4000 are placed inside. A technical feature may be that components for supporting in space are included in the frame unit 1000 .

Specifically, in the electronic blackboard 10000 of the present invention, the frame portion 1000 may be formed by assembling a plurality of frame members 1100 to 1400 in a frame shape. The attached glass substrate 2000 and the LCD panel unit 4000 are exposed in the empty space of the frame unit 1000 in the form of a picture frame, and a screen displayed on the LCD panel unit 4000 can be displayed. Preferably, the plurality of frame members correspond to the first frame member 1100, the second frame member 1200, the third frame member 1300, and the fourth frame member 1400, and the first frame member ( 1100) is disposed extending in the transverse direction on the upper side, and the second frame member 1200 extends in the longitudinal direction at one end side of the first frame member 1100 disposed transversely extending on the upper side, and is disposed , The third frame member 1300 is disposed to extend in the longitudinal direction at the other end side of the first frame member 1100 extending in the transverse direction on the upper side, and the fourth frame member 1400 is disposed on the upper side. The second frame member 1200 and the third frame member 1300 extending in the longitudinal direction at one end and the other end of the first frame member 1100 may be disposed to extend in the transverse direction below the second frame member 1200 and the third frame member 1300.

In addition, among the plurality of frame members 1100 to 1400 constituting the frame unit 1000, the cross section of one or more frame members has an internal space with one side opened, such as a 'c' shape, and the In the inner space, a component for sensing information input by a user using a finger or a separate writing device on the glass substrate 2000 and a component for supporting the adhered glass substrate 2000 and the LCD panel unit 4000 components may be included.

Meanwhile, the electronic blackboard 10000 includes a glass substrate 2000, an adhesive border portion 3000, and an LCD panel portion 4000, and the glass substrate 2000 and the LCD panel portion 4000 are bonded to each other. They may be adhered to each other by the edge portion 3000 . The glass substrate 2000 and the LCD panel unit 4000 may be the same as those commonly used in electronic blackboards 10000 or screen-mounted devices, and the LCD panel unit 4000 corresponds to an LCD open cell. can do.

The adhesive edge portion 3000 is for attaching the glass substrate 2000 and the LCD panel portion 4000, and may correspond to a kind of adhesive for physically bonding the glass substrate 2000 and the LCD panel portion 4000. It may correspond to an optical resin in another embodiment of the present invention. In addition, since the size of the adhesive rim portion 3000 is the same as that of the LCD panel portion 4000, one surface of the adhesive rim portion 3000 may be attached to an edge of the LCD panel portion 4000. The size of the glass substrate 2000 is larger than the size of the adhesive rim 3000, and accordingly, the other side of the adhesive rim 3000 is attached to the inside of the glass substrate 2000, not to the edge, and the glass substrate ( 2000), a plurality of glass substrate fixing members 2100 corresponding to components for supporting the glass substrate 2000 to which the LCD panel unit 4000 is bonded to the frame unit 1000 may be attached. On the other hand, the glass substrate fixing member 2100 is fastened to the inner space of the frame members 1100 to 1400 constituting the frame portion 1000 to fix the glass substrate 2000 to which the LCD panel portion 4000 is attached. make it possible

The rear case part 5000 is fastened to the rear surface of the frame part 1000 to form an inner accommodating space, and the glass substrate 2000 attached by the adhesive rim part 3000 and the LCD panel part form the inner accommodating space. 4000 is accommodated, and a control unit 6000 for controlling the electronic blackboard 10000 can be additionally accommodated.

As described above, the electronic board 10000 of the present invention includes the frame part 1000, the glass substrate 2000, the adhesive border part 3000, the LCD panel part 4000, the control part 6000, and the rear case part 5000. It can be configured by being sequentially combined.

FIG. 2 schematically shows a structure in which a glass substrate 2000, an adhesive rim portion 3000, and an LCD panel portion 4000 are laminated according to an embodiment of the present invention.

As shown in FIG. 2, the LCD panel unit 4000 is bonded to the bottom surface of the glass substrate 2000 by the adhesive border unit 3000, and additionally, the edge of the bottom surface of the glass substrate 2000, preferably More specifically, a glass substrate fixing member 2100 may be attached to each corner of the bottom surface of the glass substrate 2000 .

As described above in FIG. 1 , the size of the glass substrate 2000 is larger than that of the adhesive edge portion 3000 and the LCD panel portion 4000 . Therefore, the LCD panel unit 4000 to which one surface of the adhesive border unit 3000 is bonded can be attached to the inside of the bottom surface of the glass substrate 2000, and the remaining glass substrate after the LCD panel unit 4000 is attached. A plurality of glass substrate fixing members 2100 may be attached to the area of the bottom surface of (2000). Preferably, the plurality of glass substrate fixing members 2100 may be attached to four corners of the bottom surface of the glass substrate 2000 .

On the other hand, the glass substrate fixing member 2100 is bent in an 'L' shape, and the width of the glass substrate fixing member 2100 may be constant, but is preferably attached to the glass substrate 2000. The width is wider than that of the portion that is not attached to the glass substrate 2000, and as the area attached to the glass substrate 2000 increases, the adhesive strength can be increased, and one end of the portion that is not attached to the glass substrate 2000 is It is formed in an oblique shape so that the glass substrate fixing member 2100 can be easily fastened to the inner space formed in the frame part 1000 .

In addition, one end of the portion attached to the glass substrate 2000 in the glass substrate fixing member 2100 is formed flat, and an adhesive, adhesive sheet, etc. is applied to one end side so that the glass substrate fixing member 2100 is attached to the glass substrate 2100. (2000) can be easily attached to the bottom surface.

FIG. 3 schematically shows a structure in which a glass substrate 2000 and an LCD panel unit 4000 are bonded by an adhesive border unit 3000 according to an embodiment of the present invention.

3(A) schematically shows the structure of a glass substrate 2000 and an LCD panel unit 4000 in a conventional electronic blackboard. In the conventional electronic blackboard, as shown in FIG. 3 (A), a glass substrate 2000 and an LCD panel unit 4000 are produced in order to produce an electronic blackboard at a low cost as the screen becomes larger and to be easily produced without additional equipment. ), but spaced apart by a predetermined distance.

On the other hand, as described above, in the structure of the conventional electronic blackboard, it is possible to easily produce the electronic blackboard at a low price, but there are disadvantages in that transmittance and viewing angle are not good depending on the separation distance, and foreign substances such as dust are easily introduced into the additionally spaced space. Since it may flow in, there is a problem in that image quality is deteriorated accordingly.

In addition, in the structure of the conventional electronic board, when the user inputs a specific point (P1) with a writing device on the glass substrate 2000, the user's intended point (P2) and the electronic board recognized point (P3) This makes a huge difference to the problem.

Specifically, a user using an electronic board usually stands on the side of the electronic board, stares at the screen from the side, and performs an operation of writing or selecting elements displayed on the screen.

At this time, since the glass substrate 2000 and the LCD panel unit 4000 are separated by a predetermined distance in the conventional electronic board, the position displayed on the LCD panel unit 4000 and the position displayed through the glass substrate 2000 are may differ from each other.

Taking (A) of FIG. 3 as an example, when some information is displayed at a point P2 in the LCD panel unit 4000 and the user looks at the glass substrate 2000 from a position lower than the point P2 of the LCD panel unit 4000. For example, the distance between the glass substrate 2000 and the LCD panel unit 4000 allows the user to recognize that the corresponding information is displayed at the point P1 on the glass substrate 2000 .

Therefore, when the user selects point P1 on the glass substrate 2000 to select corresponding information through the writing device, the electronic board 10000 actually indicates that the information selected by the writing device is not the information displayed at point P2, It is recognized as the information displayed at the point P3 extending from the point P1 to the LCD panel unit 4000 horizontally.

That is, in the structure of the conventional electronic board, an error may occur between information displayed on the LCD panel unit 4000 and information projected through the glass substrate 2000 depending on the location of the user, and this error may occur when the user uses the writing device. There is a problem in that the recognition rate may be lowered in selecting specific information through the process.

However, as shown in (B) of FIG. 3, the structure of the electronic blackboard 10000 according to an embodiment of the present invention, that is, the glass substrate 2000 and the LCD panel unit 4000, the adhesive border unit 3000 ) Since the separation distance between the glass substrate 2000 and the LCD panel unit 4000 is minimized differently from that shown in FIG. 3 (A), the information displayed on the LCD panel unit 4000 Even when is projected onto the glass substrate 2000, an error does not occur significantly, so an effect of improving the recognition rate for information selected through the writing device can be exhibited.

In addition, the thickness of the adhesive edge portion 3000 of the present invention shown in FIG. 3 (B) may correspond to 0.7 to 0.9 mm, preferably 0.8 mm.

4 schematically illustrates an adhesive rim portion 3000 adhered to the bottom surface of a glass substrate 2000 according to an embodiment of the present invention.

The drawing shown in (A) of FIG. 4 schematically shows an adhesive rim 3000 adhered to the bottom surface of a glass substrate 2000 according to an embodiment of the present invention.

The adhesive edge portion 3000 includes a first adhesive tape 3100, a second adhesive tape 3200, a third adhesive tape 3300, and a fourth adhesive tape 3400, and the first adhesive tape 3100 ) to the fourth adhesive tape 3400 may be formed in the form of a picture frame, thereby forming the adhesive border portion 3000.

Specifically, the first adhesive tape 3100 extends horizontally on the upper side, and the second adhesive tape 3200 extends on the upper side in the horizontal direction. One end of the first adhesive tape 3100 The third adhesive tape 3300 extends in the longitudinal direction at the other end side of the first adhesive tape 3100 extending in the transverse direction on the upper side, and the third adhesive tape 3300 extends in the longitudinal direction on the upper side. 4 The adhesive tape 3400 extends in the longitudinal direction at one end side and the other end side of the first adhesive tape 3100 and is disposed on the lower side of the second adhesive tape 3200 and the third adhesive tape 3300. It may be disposed extending in the direction.

The adhesive rim portion 3000 composed of the first adhesive tape 3100 to the fourth adhesive tape 3400 is coated with a material having adhesive force on both the top and bottom surfaces, and thus, the adhesive rim portion 3000 One surface is adhered to the bottom surface of the glass substrate 2000, and although not shown in FIG. 2000 and the LCD panel unit 4000 can be attached to each other.

In this way, in order to bond the glass substrate 2000 and the LCD panel unit 4000 to each other in the electronic blackboard 10000 in the present invention, the entire area where the glass substrate 2000 and the LCD panel unit 4000 are in contact is A substance having adhesive power such as an adhesive or adhesive sheet is not applied, but, as in the present invention, an adhesive edge portion 3000 attached along the edge of the glass substrate 2000 and the LCD panel portion 4000 is used. By doing this, it is possible to save adhesive tape, and by using a minimum amount of adhesive tape, it is possible to minimize the use of chemicals used in the process of attaching the adhesive tape to the glass substrate 2000 and the LCD panel unit 4000. It is possible to exert an effect capable of reducing environmental pollution.

On the other hand, as shown in (B) of FIG. 4, the electronic blackboard 10000 according to another embodiment of the present invention has the inside of the adhesive border part 3000 attached to the bottom surface of the glass substrate 2000. An adhesive or optical resin is applied to the space 3500, and the LCD panel unit 4000 is attached to the bottom surface of the glass substrate 2000 by the adhesive rim 3000 and the applied adhesive or optical resin. It can be.

Specifically, (B) of FIG. 4 schematically shows that an adhesive or optical resin is applied to the inner space 3500 of the adhesive rim 3000 attached to the glass substrate 2000 according to another embodiment of the present invention. show

As shown in (B) of FIG. 4, in another embodiment of the present invention, the thickness of the glass substrate 2000 is thick or the specifications of the LCD panel unit 4000 cause the glass substrate 2000 and the LCD panel. In order to improve the adhesive strength with the unit 4000, a material having adhesive strength, such as an adhesive or an adhesive sheet, may be applied to the inner space of the adhesive tape unit. Preferably, an optical resin having optical properties may be applied to the inner space 3500 of the adhesive rim portion 3000 in consideration of light emission controlled by the LCD panel portion 4000.

On the other hand, as shown in (B) of FIG. 4, in applying a material having adhesive force, including an adhesive tape, to the entire area where the glass substrate 2000 and the LCD panel unit 4000 are in contact, preferentially the glass substrate (2000) or attaching the first adhesive tape 3100 to the fourth adhesive tape 3400 to the LCD panel unit 4000 to form the adhesive rim 3000, and then the inside of the adhesive rim 3000 It is preferable to apply a substance having adhesive power such as adhesive tape, adhesive, or optical resin to the space 3500 .

Through this sequence, the adhesive rim portion 3000 serves as a kind of dam to prevent the adhesive material applied to the inner space from escaping the area to be applied, thereby reducing the inner space of the adhesive rim portion 3000 ( 3500), it is possible to prevent excessive use of the adhesive material by serving as a kind of guide so that the adhesive material is applied only to the inner space 3500 as well as preventing the application of the adhesive material to the outside.

5 and 6 schematically show cross-sectional views of an electronic board 10000 displaying a frame portion 1000 and a rear case portion 5000 according to an embodiment of the present invention.

As shown in FIG. 5, the electronic board 10000 includes a light emitting sensor unit 7000; and a transmission filter unit 7100 that transmits only infrared light emitted from the light emitting sensor unit 7000; Further, the frame member (1100 to 1400) includes a first accommodating space (1110) having a first end surface, and a first fastening groove (1500) at a predetermined position on one side of the first accommodating space (1110). ) is formed, and a second fastening groove 1600 is formed at a predetermined position on the other side of the first accommodating space 1110 corresponding to the first fastening groove 1500, and the first accommodating space ( 1110), a third fastening groove 1700 is formed in an extended direction on one side, and the first fastening groove 1500 and the second fastening groove 1600 are formed in the first accommodation space 1110. The light emitting sensor unit 7000 may be fastened, and the transmission filter unit 7100 may be fastened to the frame members 1100 to 1400 by the third fastening groove 1700 .

Specifically, the plurality of frame members 1100 to 1400 constituting the frame unit 1000 include a first accommodating space 1110 having a first end surface therein. The first accommodating space 1110 is a space in which a part is opened, and a part of any one surface of the frame members 1100 to 1400 is open, and any one surface adjacent to the one surface is extended. has been formed That is, the side surface contacting the open portion of the first accommodating space 1110 may be formed to be extended. Meanwhile, the first accommodating space 1110 shown in FIGS. 5 and 6 corresponds to the accommodating space formed inside the first frame member 1100 .

Meanwhile, in the first accommodating space 1110 included in the frame members 1100 to 1400, structures for fastening a plurality of components of the electronic blackboard 10000 are formed. Specifically, a first fastening groove 1500 is formed at a predetermined position on one side of the first accommodating space 1110, and a predetermined position on the other side facing one side of the first accommodating space 1110, preferably Preferably, the second fastening groove 1600 is formed at a position facing a predetermined position formed on one side of the first accommodating space 1110.

As such, the first fastening groove 1500 and the second fastening groove 1600 formed in the first accommodating space 1110, as shown in FIG. ) corresponds to the structure to be mounted on. That is, the protrusions formed on both sides of the light emitting sensor unit 7000 are fastened to the first fastening groove 1500 and the second fastening groove 1600, respectively, so that the light emitting sensor unit 7000 is in the first accommodating space ( 1110) can be mounted.

The light emitting sensor unit 7000 emits infrared rays, and the lens unit included in the light emitting sensor unit 7000 (the convex part of the light emitting sensor unit 7000 shown in FIG. 5) is the first accommodating space 1110 It is located in the opening part, and accordingly, the infrared rays generated by the light emitting sensor unit 7000 can be irradiated in one direction through the lens unit. 5 and 6 as an example, the light emitting sensor unit 7000 fastened to the first accommodating space 1110 of the first frame member 1100 emits infrared rays in a downward direction (towards the fourth frame member 1400). At this time, a light receiving sensor unit (not shown) is fastened to the inner space of the fourth frame member 1400, and a light receiving sensor unit (not shown) fastened to the fourth frame member 1400 is irradiated with the infrared rays. detect

In this way, when the light receiving sensor unit (not shown) detects the infrared rays emitted from the light emitting sensor unit 7000, the movement of the writing device on the glass substrate 2000 can be recognized.

In addition, one side of the frame members 1100 to 1400 where the first fastening groove 1500 is formed follows the direction in which infrared rays are irradiated from the light emitting sensor unit 7000 fastened to the first accommodating space 1110. It is extended, and the lower end of the lens unit of the light emitting sensor unit 7000 fastened by the first fastening groove 1500 and the second fastening groove 1600 on one side formed by the extension, preferably on the one side formed by the extension. A third fastening groove 1700 may be formed at a predetermined location.

Meanwhile, a transmission filter unit 7100 passing only infrared rays emitted from the light emitting sensor unit 7000 is fastened to the third fastening groove 1700 . Accordingly, a shape corresponding to the shape of the third fastening groove 1700 may be formed on one side of the transmission filter unit 7100 .

In addition, the transmission filter part 7100 fastened by the third fastening groove 1700 is in contact with the top surface of the glass substrate 2000 disposed in the empty space of the frame part 1000, and the glass The glass substrate 2000 may be supported in the opposite direction to the glass substrate fixing member 2100 attached to the bottom surface of the substrate 2000 .

Specifically, as described above, the transmission filter unit 7100 not only serves as a filter that passes only the infrared rays irradiated from the light emitting sensor unit 7000, but also the frame unit 1000 and the rear case. It may additionally play a role of fixing the glass substrate 2000 in an internal space formed as the part 5000 is fastened.

More specifically, as shown in FIG. 6, one side of the transmission filter unit 7100 is fastened to the third fastening groove 1700, and the other side of the transmission filter unit 7100 is connected to the glass substrate 2000. It can be in close contact with the upper surface of. In this way, the transmission filter unit 7100 closely attached to the upper surface of the glass substrate 2000 supports the glass substrate 2000, thereby performing an additional role of preventing the glass substrate 2000 from leaning forward.

Therefore, in the present invention, by using the transmission filter unit 7100 as an element supporting the glass substrate 2000, the glass substrate 2000 can be fixed without using a separate element supporting the glass substrate 2000. , the structure of the electronic blackboard 10000 can be simplified.

The glass substrate fixing member 2100 is bent in an 'L' shape, one side of the glass substrate fixing member 2100 is attached to the bottom surface of the glass substrate 2000, and the glass substrate fixing member The other side surface of 2100 may be fastened to the sliding groove 1800 formed in the frame members 1100 to 1400.

Specifically, the frame members 1100 to 1400 include a second accommodating space 1120, the lower end of one side of the second accommodating space 1120 is open, preferably the rear case portion 5000 and The lower end of the adjacent side surface is open. In this way, the rear case portion 5000 may be fastened to the opened second accommodating space 1120 to form a housing.

In addition, a sliding groove 1800 may be formed in an internal space formed by fastening the frame unit 1000 and the rear case unit 5000 described above. Here, the sliding groove 1800 is fastened to the glass substrate fixing member 2100 attached to the glass substrate 2000 to support the glass substrate 2000 so that it does not move back and forth together with the transmission filter unit 7100 described above. role can be fulfilled.

As shown in FIG. 6, the glass substrate fixing member 2100 is bent in an 'L' shape, and one side of the glass substrate fixing member 2100 is attached to the bottom surface of the glass substrate 2000. And, the other side surface of the glass substrate fixing member 2100 can be fastened to the sliding groove 1800. That is, as the glass substrate fixing member 2100 is fastened to the sliding groove 1800, the glass substrate 2000 is prevented from being pushed backward, and as described above, it comes into contact with the upper surface of the glass substrate 2000. The glass substrate 2000 is prevented from leaning forward by the transmission filter unit 7100 thereon, so that the glass substrate 2000 to which the LCD panel unit 4000 is attached can be supported.

On the other hand, it has been described that the light emitting sensor unit 7000 is fastened to the first accommodating space 1110 formed in the frame members 1100 to 1400, but preferably, the light emitting sensor unit 7000 is a light emitting sensor substrate (not shown). ), and a plurality of light emitting sensor units 7000 may be electrically connected to the light emitting sensor substrate. As such, the light emitting sensor substrate including the plurality of light emitting sensor units 7000 is connected to the first fastening groove 1500 and the second fastening groove 1600 of the first accommodating space 1110 of the frame members 1100 to 1400. It can be fastened in a sliding manner along.

Through this configuration, the electronic board 10000 of the present invention is a light emitting sensor fastened along the first fastening groove 1500 and the second fastening groove 1600 when a failure occurs in the light emitting sensor unit 7000. By detaching the substrate, an effect of easily replacing the light emitting sensor unit 7000 can be exhibited.

2. Electronic board supporting high-speed mirroring with multiple students

The above '1. In the electronic blackboard 10000 where the distance between the panel and the cover glass is minimized by applying the eco-friendly method, the internal configuration of the electronic blackboard 10000 included in the electronic blackboard 10000 system of the present invention has been described in detail.

Hereinafter, in order for the above-described electronic board 10000 to perform communication with a plurality of devices and mirror the screens of each of the plurality of devices, the structural configuration of the electronic board 10000 for realizing high-speed mirroring will be mainly described. do.

7 schematically shows a bottom view of a rear case part 5000 according to an embodiment of the present invention.

As shown in FIG. 7, an electronic blackboard 10000 supporting high-speed mirroring with a plurality of students, including a plurality of frame parts 1000, and empty inside according to the fastening of the plurality of frame parts 1000. A frame portion 1000 in which a space is formed; an LCD panel unit 4000 disposed in an empty space of the frame unit 1000; a control unit 6000 disposed on a rear side of the LCD panel unit 4000 and including one or more processors and one or more memories; and the LCD panel unit 4000 disposed on the rear side of the controller 6000 so that the front edge is fastened to the rear edge of the frame unit 1000, and in an internal space formed by the fastening with the frame unit 1000. And a rear case portion 5000 accommodating the control unit 6000; including, the rear case portion 5000 is disposed on one side of the rear case portion 5000, one side is open OPS ( 5200) (Open Pluggable Specification) is fastened in a sliding manner to electrically connect the OPS 5200 and the control unit 6000 to the OPS slot unit 5110; and a Wi-Fi slot unit 5120 in which a Wi-Fi module 5300 is fastened to one of one side and a bottom surface of the rear case unit 5000 to electrically connect the Wi-Fi module 5300 and the control unit 6000; can include

Specifically, the electronic blackboard 10000 is formed by the frame part 1000 formed by the fastening of the plurality of frame parts 1000 and the rear case part 5000 fastened to the rear surface of the frame part 1000, so that the electronic board 10000 can clean the internal space. In the internal space, an LCD panel unit 4000 and a control unit 6000 including one or more processors and one or more memories for controlling components including the LCD panel unit 4000 are disposed.

The controller 6000 communicates with the OPS 5200 and the Wi-Fi module 5300 connected to the electronic board 10000 so that a plurality of external devices connected to the electronic board 10000, for example, students It can perform a function of mirroring the screens of multiple tablet PCs in use.

Meanwhile, the rear case part 5000 may include components to which the OPS 5200 and the Wi-Fi module 5300 are fastened. More specifically, as shown in (A) of FIG. 7 , external input ports are provided on the bottom surface of the rear case part 5000 to electrically connect a plurality of external devices to the electronic board 10000. A port housing part 5100 is disposed, and an OPS 5200 (Open Pluggable Specification) is fastened to one side of the port housing part 5100, the right side in FIG. An OPS slot unit 5110 to be electrically connected may be disposed. In addition, one side surface of the OPS slot part 5110 is open, and the OPS 5200 is inserted in a sliding manner through the one side surface and fixed to the other, upper and lower surfaces of the OPS slot part 5110. It can be.

The OPS 5200 is a computer system detachable in a plug-type manner, and the electronic blackboard 10000 to which the OPS 5200 is fastened is a computing resource, such as one or more processors and one or more memories included in the OPS 5200. can be used, the OPS 5200 is provided with a plurality of external input ports, and the electronic board 10000 can communicate with a separate external device connected through the external input ports.

That is, since the electronic board 10000 of the present invention uses the OPS 5200 fastened through the OPS slot unit 5110, one or more processes and one or more memories included in the controller 6000 of the electronic board 10000 Even if the built-in computing resources are not suitable for performing the mirroring function, since the mirroring function can be implemented through the contracted OPS 5200, the high-speed mirroring function without replacing the computing resources built in the electronic board 10000 can demonstrate the effect that can be implemented.

In addition, as shown in (A) of FIG. 7, on one side of the port housing unit 5100, there is a Wi-Fi slot unit 5120 into which a Wi-Fi module 5300 for additional communication with an external device can be fastened. can be placed. The Wi-Fi module 5300 fastened through the Wi-Fi slot unit 5120 may be electrically connected to the control unit 6000 of the electronic blackboard 10000.

On the other hand, as shown in (B) of FIG. 7, in another embodiment of the present invention, the Wi-Fi slot unit 5120 may be disposed on the bottom surface of the port housing unit 5100. As such, in the present invention, by disposing the Wi-Fi slot 5120 on one side or bottom of the port housing 5100, the Wi-Fi module 5300 can be fastened to the back of the electronic blackboard 10000, and therefore, In front of the electronic blackboard (10000), the antenna of the Wi-Fi module (5300) is not obstructed in the movement line of the user who is conducting classes like writing.

In addition, in another embodiment of the present invention, the Wi-Fi slot unit 5120 is not included in the port housing unit 5100, but is disposed on the bottom surface of the rear case unit 5000 or the bottom surface of the rim, as described above. As described above, communication between the devices of students taking classes in front of the electronic board (10000) and the antenna of the Wi-Fi module (5300) fastened to the Wi-Fi slot (5120) while not being obstructed by the user's movement line. Sensitivity can also be improved.

On the other hand, it can be understood that the Wi-Fi module 5300 of the present invention satisfies any one of the Wi-Fi-5 and Wi-Fi-6 standards. Therefore, the communication speed required for high-speed mirroring of a plurality of student devices can be satisfied through the Wi-Fi module 5300 connected to the Wi-Fi slot unit 5120 of the electronic board 10000.

8 schematically illustrates a side view of an electronic blackboard 10000 including a rear case and a port housing 5100 included in the rear case according to an embodiment of the present invention.

As shown in FIG. 8 , the OPS slot unit 5110 is disposed on the other side of the OPS slot unit 5110 and is engaged with the OPS 5200 to operate the OPS 5200 and the control unit 6000. A connector part 5111 of a predetermined standard for electrically connecting the; And the OPS made of a flexible metallic material, having an arch shape, disposed on the upper and lower surfaces of the OPS slot portion 5110, and fastened to the OPS slot portion 5110 in a sliding manner ( 5200) to fix both sides of the OPS fixing member 5112; may include.

Specifically, FIG. 8(A) schematically shows a side view of the electronic blackboard 10000. As shown in (A) of FIG. 8 , a handle portion 5400 is disposed on the rim of the bottom surface of the rear case portion 5000 . On the other hand, two or more handle parts 5400 may be disposed on each side edge of the bottom surface of the rear case part 5000 .

An input port unit 5130 electrically connected to one or more devices other than the OPS 5200 and the Wi-Fi module 5300 may be disposed on one side of the port housing unit 5100, and the input port unit 5130 , such as a USB-C type port, an HDMI port, and the like, may be provided with ports of various standards that are commonly used.

In addition, a Wi-Fi slot unit 5120 and an OPS slot unit 5110 may be additionally disposed on one side of the port housing unit 5100, and the cross-sectional shape of the Wi-Fi slot unit 5120 is shown in FIG. 7 (A). As shown in ), it may be formed in a form corresponding to the shape of the Wi-Fi module 5300.

Meanwhile, since one side of the OPS slot part 5110 is open, as shown in FIG. 7(A), the other side of the OPS slot part 5110 is exposed, and the OPS slot part 5110 ) is coupled to the OPS 5200 to electrically connect the OPS 5200 and the control unit 6000 to the other side of the connector unit 5111 is disposed. The connector part 5111 may be manufactured to a predetermined standard supported by the OPS 5200. For example, the connector part 5111 may have a JAE 80 pin standard.

Also, as shown in FIGS. 7(A) and 7(B), an OPS fixing member 5112 may be included on each of the upper and lower surfaces of the OPS slot unit 5110. The OPS fixing member 5112 is made of a flexible metallic material, and each OPS fixing member 5112 may have a convex arch shape toward the inside of the OPS slot portion 5110 . In this way, the OPS fixing member 5112 disposed on each of the upper and lower surfaces of the OPS slot part 5110 slides the OPS 5200 to the OPS slot part 5110. 5110 and the OPS 5200 serve to fill the gap so that the OPS 5200 can be securely fixed to the OPS slot 5110, and additionally, the OPS slot ( After the OPS 5200 is fastened to 5110, it may serve to attenuate an impact applied to the OPS 5200.

Meanwhile, as shown in (A) of FIG. 7 , a plurality of insertion holes 5113 are formed on one side of the rear case part 5000, preferably, the port housing part 5100. More specifically, each of the plurality of insertion holes 5113 may be disposed adjacent to both ends of one side surface of the OPS slot unit 5110 . The plurality of insertion holes 5113 allow the OPS 5200 to be fastened to the OPS slot 5110 by a fastening member for the OPS 5200, which will be described with reference to FIG. 11 .

9 schematically illustrates an OPS 5200 according to an embodiment of the present invention.

9(A) schematically shows a plan view of the OPS 5200 of the present invention. Specifically, an outlet for discharging heat generated by driving the OPS 5200 is formed on the upper surface of the OPS 5200, and a side surface of the OPS 5200 is preferably formed. An OPS handle 5210 may be disposed on the right side so that a user can easily carry the OPS 5200 and easily fasten the OPS 5200 to the OPS slot 5110 described above.

Meanwhile, (B) of FIG. 9 schematically shows a side view of the OPS 5200 of the present invention. As shown in (B) of FIG. 9, a panel to which various external devices and the OPS 5200 can be electrically connected is provided on the side of the OPS 5200, preferably on the right side of the OPS 5200. can Specifically, the OPS handle 5210 is disposed on the right side of the OPS 5200 as described above, and the heat generated by driving the OPS 5200 and the fan generated in the OPS 5200 are removed. An outlet for blowing wind may be formed.

Meanwhile, on the right side of the OPS 5200, an OPS port unit 5230 for electrically connecting various external devices may be disposed, and the OPS port unit 5230 may include external input terminals of various standards. there is.

In addition, first fastening holes 5220 are provided at both ends of the right side of the OPS 5200, and fastening members of the OPS 5200, which will be described later, are inserted into each of the first fastening holes 5220, and the OPS 5200 fastening members are inserted. The OPS 5200 is fastened to the slot part 5110. Additionally, although not shown in FIG. 9 , a connector having a standard corresponding to the connector part 5111 of the OPS slot part 5110 may be disposed on the left side of the OPS 5200 .

10 schematically shows a fastening member of the OPS 5200 according to an embodiment of the present invention.

As shown in FIG. 10, the electronic blackboard 10000 supporting high-speed mirroring with a plurality of students further includes a plurality of OPS 5200 fastening members, and the OPS 5200 fastening members are on the upper side. A screw head 5410 having a cylindrical shape in which one or more grooves are formed and the lower surface is open to expose an internal space; a screw column portion 5420 disposed on the lower side of the screw head portion 5410 and extending downward, but having a screw thread formed in the central portion; a spring part 5430 disposed in the inner space of the screw head part 5410 and extending along the screw pillar part 5420; and a cylindrical first fixing part 5441 coupled to a part of the inner space of one side of the spring part 5430, disposed on the bottom surface of the first fixing part 5441, and of the first fixing part 5441. It may include; a stopper part 5440 including a second fixing part 5442 having a larger diameter than the diameter.

Specifically, (A) of FIG. 10 schematically shows a plan view of the OPS 5200 fastening member. As shown in (A) of FIG. 10, the OPS 5200 fastening member includes a screw head 5410, and one or more grooves, preferably two grooves, are formed on the upper side of the screw head 5410. It is formed in a cross shape so that the fastening member of the OPS 5200 can be easily fastened to the rear case part 5000, preferably the port housing part 5100 of the rear case part 5000.

Meanwhile, (B) of FIG. 10 schematically shows a side view of the OPS 5200 fastening member. As shown in (B) of FIG. 10, a plurality of grooves extending in the vertical direction are formed on the side of the screw head 5410, and through the plurality of grooves, the user can perform OPS by using hands or tools. (5200) Make it easy to fasten or separate fastening members from the electronic board (10000).

Additionally, although not shown in FIG. 10, the screw head 5410 may have a cylindrical shape without a bottom surface, that is, a shape in which an internal space is exposed by opening the lower surface of the screw head 5410. there is.

In addition, as shown in (B) of FIG. 10, the inner space of the screw head 5410, more specifically, a screw pillar extending downward in the center of the bottom of the upper surface of the screw head 5410. 5420 is placed. The screw pillar 5420 is a portion inserted into the first fastening hole 5220 and the insertion hole 5113, and a screw thread is formed on the edge of the central portion of the screw pillar 5420, and the screw thread is The insertion hole 5113 may be engaged with and fastened to a screw groove formed on the edge of the inner space.

And, as shown in (B) of FIG. 10, since no thread is formed on the edge of the lower end of the screw pillar 5420, the lower end can be easily inserted into the insertion hole 5113, , so that the OPS 5200 fastening member can be fastened to the insertion hole 5113 by a screw thread formed in the central portion.

In addition, the spring part 5430 extends downward and is disposed in the inner space of the screw head part 5410 in the same way as the screw pillar part 5420, but the spring part 5430 is the screw pillar part 5430. A portion of the screw pillar portion 5420 may be inserted into an inner space of the spring portion 5430 in a form of accommodating a portion of the portion 5420 .

On the other hand, the stopper part 5440 includes a first fixing part 5441 and a second fixing part 5442 disposed below the first fixing part 5441, and the first fixing part 5441 and A through hole is formed in the center of the second fixing part 5442 . Accordingly, the stopper part 5440 can be inserted into the screw pillar part 5420 through the through holes formed in the first fixing part 5441 and the second fixing part 5442 . As such, when the stopper part 5440 is inserted into the screw pillar part 5420, the first fixing part 5441 of the stopper part 5440 may be fastened to the lower side of the inner space of the spring part 5430. .

That is, the diameter of the first fixing part 5441 is smaller than the diameter of the inner space of the spring part 5430, and the diameter of the second fixing part 5442 is the diameter of the inner space of the spring part 5430. It is formed larger than the diameter, so that the first fixing part 5441 is inserted into the lower side of the inner space of the spring part 5430, and the lower side of the spring part 5430 is supported by the second fixing part 5442. At this time, the upper side of the spring part 5430 can be supported by the bottom of the upper surface of the screw head part 5410.

As described above, the OPS (5200) fastening member of the present invention passes through the first fastening hole 5220 formed in the OPS 5200 and inserts the insertion hole 5113 formed in the port housing part 5100 of the rear case part 5000. ), as a result, the OPS 5200 can be fastened to the OPS slot part 5110, which will be described with reference to FIG. 11 .

11 schematically shows that the OPS 5200 is fastened to the OPS slot 5110 through the OPS 5200 fastening member according to an embodiment of the present invention.

As shown in FIG. 11, first fastening holes 5220 are formed on both sides of the input port panel provided in the OPS 5200, and the rear case part 5000 has the first fastening holes 5220. ) Insertion holes 5113 having screw grooves formed on the inner circumferential surface thereof corresponding to each other, and the OPS 5200 is inserted into the OPS slot part 5110 and overlaps the first fastening hole 5220 and The OPS 5200 fastening member is inserted into the insertion hole 5113, and the screw thread formed on the screw column 5420 of the OPS 5200 fastening member and the screw groove formed on the inner circumferential surface of the insertion hole 5113 are mutually connected. can be concluded.

Specifically, the OPS 5200 is inserted and fastened into the OPS slot part 5110 in a sliding manner, and at this time, the connector disposed on the left side of the OPS 5200 is the connector part of the OPS slot part 5110 ( 5111) so that the OPS 5200 and the control unit 6000 can be electrically connected, and the OPS 5200 is provided by the OPS fixing members 5112 disposed on both upper and lower sides of the OPS slot unit 5110. to be firmly fixed to the OPS slot unit 5110.

Meanwhile, when the OPS 5200 is inserted into the OPS slot part 5110, the first fastening hole 5220 formed in the OPS 5200 and the rear case part 5000, preferably the rear case part The insertion hole 5113 formed in the port housing part 5100 of (5000) overlaps. At this time, the OPS 5200 fastening member is inserted into the overlapping first fastening hole 5220 and the insertion hole 5113, and as the OPS 5200 fastening member rotates, the screw pillar portion of the OPS 5200 fastening member ( 5420) and the screw groove formed along the inner rim of the inner space exposed by the insertion hole 5113 are fastened to each other, resulting in the OPS 5200 being inserted into the OPS slot 5110. allow it to be fixed.

In this way, while the fastening member of the OPS 5200 rotates and is inserted into the first fastening hole 5220 and the insertion hole 5113, the bottom surface of the second fixing part 5442 is exposed to the OPS 5200. As the OPS 5200 fastening member is inserted, the spring part 5430 is compressed so that the stopper part 5440 and the screw head part 5410 come into contact with each other. That is, the effect of preventing the fastening strength of the fastening member of the OPS 5200 inserted into the insertion hole 5113 by the spring part 5430 and the stopper part 5440 from loosening due to the vibration of the OPS 5200. can exert

12 schematically illustrates a controller 6000 according to an embodiment of the present invention.

As shown in FIG. 12, the control unit 6000 includes a communication unit 6300 that communicates with one or more user terminals through a Wi-Fi module 5300 coupled to the Wi-Fi slot unit 5120; and a mirroring performing unit 6400 that displays a mirroring interface 6410 on the LCD panel unit 4000 of the electronic board 10000, in which a screen displayed on one or more user terminals communicating with the communication unit 6300 is mirrored. );

Specifically, the controller 6000 includes one or more processors and one or more memories, and the one or more processors and one or more memories form an interior formed by fastening the frame part 1000 and the rear case part 5000. It may be electrically connected to a substrate unit (not shown) accommodated in the space.

The control unit 6000 controls components provided on the electronic board 10000 and/or external electronic devices connected through external input ports provided on the electronic board 10000. Specifically, the control unit 6000 controls the By performing communication with the WiFi module 5300 connected to the WiFi slot unit 5120 and the OPS 5200 connected to the OPS slot unit 5110, the WiFi module 5300 and the OPS slot unit 5110 Information may be transmitted or information received from the Wi-Fi module 5300 and the OPS slot unit 5110 may be processed.

In addition, the control unit 6000 includes an operating system 6100 (operation system), controls components provided in the electronic board 10000 through the operating system 6100, and is installed on the operating system 6100. You can control various applications.

Meanwhile, the control unit 6000 includes a communication unit 6300 and a mirroring unit 6400, and the communication unit 6300 communicates with the WiFi module 5300 connected through the WiFi slot unit 5120, , Information can be transmitted and received with one or more external devices connected to the Wi-Fi module 5300, for example, devices used by a plurality of students attending classes.

The mirroring performing unit 6400 performs a mirroring function of displaying a screen displayed on one or more external devices connected to the Wi-Fi module 5300 on the electronic board 10000. Specifically, the mirroring performing unit 6400 receives information on a currently displayed screen from the Wi-Fi module 5300 from one or more external devices connected to the Wi-Fi module 5300, and transmits the corresponding information to the communication unit 6300. ), and the mirroring performing unit 6400 implements a mirroring function using the processor embedded in the electronic board 10000 with the corresponding information received from the communication unit 6300, or transmits the corresponding information to the OPS 5200. ) to receive the information processed by the OPS 5200 so that the mirroring function can be implemented on the electronic board 10000.

In FIG. 12, the communication unit 6300 and/or the mirroring unit 6400 included in the control unit 6000 are not dependent on the operating system 6100, but in another embodiment of the present invention, the communication unit 6300 And/or the mirroring unit 6400 may be understood as being included in the operating system 6100 as an application program.

13 schematically illustrates a mirroring interface 6410 displayed on the electronic board 10000 by the mirroring performer 6400 according to an embodiment of the present invention.

FIG. 13 schematically shows a mirroring interface 6410 displayed on the electronic board 10000 by the mirroring unit 6400 described above. The mirroring unit 6400 transmits screen information received from a plurality of external devices through the Wi-Fi module 5300 to a computing resource built into the electronic board 10000 and/or an OPS mounted on the electronic board 10000 ( 5200), and the processed information may be displayed on the mirroring interface 6410.

Specifically, the mirroring interface 6410 includes a main screen layer L3 and a mirroring layer L4. The main screen layer L3 may display functions implemented by input to the user using the electronic board 10000 . For example, when a user wants to write a note on the electronic board 10000, a screen for writing a note using a writing device may be displayed on the main screen layer L3 according to the user's input.

Meanwhile, the mirroring layer (L4) includes areas corresponding to a predetermined number or the number of mirrored external devices, and in each area, screens displayed on each of a plurality of external devices connected to the Wi-Fi module 5300 are displayed in real time. It can be.

In this way, the user using the electronic blackboard 10000 through the mirroring interface 6410 is currently displayed on the devices of students taking classes through the mirroring layer L4 while conducting classes through the main screen layer L3 Since you can check the screens being played, it is possible to exert an effect of easily conducting remote classes such as non-face-to-face classes.

That is, since the OPS 5200 and the Wi-Fi module 5300 can be coupled through the OPS slot 5110 and the Wi-Fi slot 5120 included in the rear case 5000 of the present invention, a plurality of students use it. Even if the computing resources required for realizing a high-speed mirroring function without delay by performing communication with a plurality of external devices that perform communication are not included in the electronic board (10000), an external OPS (5200) and Wi-Fi module (5300) are used. By doing so, the mirroring function can be implemented in the electronic board (10000), and even if higher computing resources are required in the future, the OPS (5200) and/or the Wi-Fi module (5300) that meet high computing resources are replaced. (10000) It is possible to exert an effect of using high-spec computing resources without replacing itself.

According to an embodiment of the present invention, an adhesive border portion 3000 composed of a plurality of adhesive tapes is disposed between the glass substrate 2000 and the LCD panel portion 4000, so that the glass substrate 2000 and the LCD panel portion Since (4000) is bonded, the distance between the glass substrate 2000 and the LCD panel unit 4000 is minimized, so that the transparency of the screen of the electronic board 10000 and the viewing angle can be improved.

According to one embodiment of the present invention, the adhesive edge portion 3000 composed of a plurality of adhesive tapes includes an inner area 3500, and since no separate adhesive is applied to the inner area 3500, the glass substrate Since a large amount of adhesive is not used to bond the (2000) and the LCD panel unit (4000), the glass substrate (2000) and the LCD panel unit (4000) can be bonded efficiently, and contamination due to abuse of the adhesive can be prevented. effect can be exerted.

According to one embodiment of the present invention, since the top surface of the glass substrate 2000 is supported by the transmission filter unit 7100 fastened to the frame members 1100 to 1400, an additional layer for supporting the glass substrate 2000 is provided. Since the glass substrate 2000 can be supported without a member, the structure of the electronic board 10000 can be simplified.

According to one embodiment of the present invention, the OPS 5200 is slidably fastened through the OPS slot 5110 disposed on one side of the rear case 5000, and Since the OPS 5200 is electrically connected to the control unit 6000, the mirroring function can be performed through the OPS 5200 instead of the processor and memory embedded in the existing electronic board 10000, so that the mirroring function is smooth. It can be implemented, and it can exert an effect that does not require replacement of the processor and memory built in the electronic board (10000).

According to one embodiment of the present invention, since the Wi-Fi slot portion 5120 to which the Wi-Fi module 5300 is fastened is provided on one of one side and the bottom surface of the rear case portion 5000, the electronic blackboard 10000 It is possible to exert an effect of preventing the Wi-Fi module 5300 from interfering with the user's movement line.

According to one embodiment of the present invention, the OPS slot unit 5110 is made of a flexible metallic material and includes OPS fixing members 5112 disposed on both sides of the OPS 5200 fastened in a sliding manner. Since the movement is restricted, an effect of stably supporting the fastened OPS 5200 can be exerted.

According to one embodiment of the present invention, since the OPS 5200 fastening member includes the stopper part 5440 supported by the spring part 5430, if the OPS 5200 is not damaged through the OPS 5200 fastening member It can also exert the effect of being able to be stably fastened.

According to an embodiment of the present invention, since the mirroring performing unit 6400 mirrors the screen of one or more user terminals communicating through the Wi-Fi module 5300 on the electronic board 10000, various methods including non-face-to-face education It can exert an effect that can support the class.

As described above, although the embodiments have been described with limited examples and drawings, those skilled in the art can make various modifications and variations from the above description. For example, the described techniques may be performed in an order different from the method described, and/or components of the described system, structure, device, circuit, etc. may be combined or combined in a different form than the method described, or other components may be used. Or even if it is replaced or substituted by equivalents, appropriate results can be achieved. Therefore, other implementations, other embodiments, and equivalents of the claims are within the scope of the following claims.

Claims (5)

As an electronic board that supports high-speed mirroring with a large number of students,
A frame portion including a plurality of frame members and having an empty space formed therein according to fastening of the plurality of frame members;
an LCD panel unit disposed in an empty space of the frame unit;
a controller disposed on a rear side of the LCD panel unit and including one or more processors and one or more memories; and
A rear case portion disposed on the rear side of the control unit, having a front edge fastened to the rear edge of the frame unit, and accommodating the LCD panel unit and the control unit in an internal space formed by the fastening with the frame unit; ,
The rear case part,
an OPS slot unit disposed on one side of the rear case unit, one side of which is open, and an OPS (Open Pluggable Specification) is slidably fastened to electrically connect the OPS and the control unit; and
A Wi-Fi slot unit for electrically connecting the Wi-Fi module and the control unit by fastening a Wi-Fi module to one of one side and a bottom surface of the rear case unit; includes,
The electronic blackboard,
glass substrate; light emitting sensor unit; and a transmission filter unit that transmits only infrared light emitted from the light emitting sensor unit. contain more,
The frame member includes a first accommodating space having a first cross section,
A first fastening groove is formed at a predetermined position on one side of the first accommodating space, and a second fastening groove is formed at a predetermined position on the other side of the first accommodating space corresponding to the first fastening groove, A third fastening groove is formed in an extended direction of one side of the first accommodating space,
The light emitting sensor part is fastened to the first accommodating space by the first fastening groove and the second fastening groove, and the transmission filter part is fastened to the frame member by the third fastening groove,
One side of the permeation filter unit is fastened to the third fastening groove, and the other side of the permeation filter unit is in close contact with the upper surface of the glass substrate;
The permeation filter unit fastened by the third fastening groove,
It is in contact with the upper surface of the glass substrate disposed in the empty space of the frame unit and supports the glass substrate in the opposite direction to the glass substrate fixing member attached to the bottom surface of the glass substrate, preventing the glass substrate from leaning forward prevent,
The electronic blackboard uses the transmission filter unit as an element to support the glass substrate, so that the glass substrate can be fixed without using a separate glass substrate supporting element, and the structure can be simplified. An electronic board that supports high-speed mirroring.
The method of claim 1,
The OPS slot unit,
a connector part of a predetermined standard disposed on the other side of the OPS slot part and fastened to the OPS to electrically connect the OPS and the controller; and
an OPS fixing member made of a flexible metallic material, having an arch shape, disposed on upper and lower surfaces of the OPS slot, and fixing both side surfaces of the OPS slidably fastened to the OPS slot; Including, an electronic board supporting high-speed mirroring with a plurality of students.
The method of claim 1,
The electronic board supporting high-speed mirroring with the plurality of students,
Further comprising a plurality of OPS fastening members,
The OPS fastening member,
One or more grooves are formed on the upper side of the screw head, and the lower side is open to expose the internal space of the cylindrical screw head;
a screw pillar portion disposed on a lower side surface of the screw head portion and extending downward, and having a screw thread formed in a central portion thereof;
a spring part disposed in the inner space of the screw head part and extending along the screw pillar part; and
A stopper including a first fixing part having a cylindrical shape coupled to a part of the inner space of one side of the spring part, and a second fixing part disposed on a bottom surface of the first fixing part and having a larger diameter than the diameter of the first fixing part An electronic board supporting high-speed mirroring with a plurality of students, including;
The method of claim 3,
First fastening holes are formed on both sides of the input port panel provided in the OPS,
The rear case part,
Further comprising an insertion hole having a screw groove formed on an inner circumferential surface corresponding to each of the first fastening holes,
The OPS fastening member is inserted into the first fastening hole and the insertion hole overlapped with the OPS inserted into the OPS slot, and the screw thread formed on the screw column of the OPS fastening member and the screw groove formed on the inner circumferential surface of the insertion hole Interactive whiteboard that supports high-speed mirroring with multiple students.
The method of claim 1,
The control unit,
A communication unit for performing communication with one or more user terminals through the Wi-Fi module fastened to the Wi-Fi slot unit; and
An electronic device that supports high-speed mirroring with a plurality of students, including a mirroring performing unit that displays a mirroring interface on the LCD panel of the electronic board, in which a screen displayed on one or more user terminals communicating with the communication unit is mirrored. blackboard.

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