CN215932493U

CN215932493U - Filter strip, face frame assembly and interactive flat plate

Info

Publication number: CN215932493U
Application number: CN202121758079.6U
Authority: CN
Inventors: 谭景焕
Original assignee: Guangzhou Shiyuan Electronics Thecnology Co Ltd; Guangzhou Shirui Electronics Co Ltd
Current assignee: Guangzhou Shiyuan Electronics Thecnology Co Ltd; Guangzhou Shirui Electronics Co Ltd
Priority date: 2021-07-29
Filing date: 2021-07-29
Publication date: 2022-03-01
Anticipated expiration: 2031-07-29

Abstract

The utility model discloses a light filtering strip, a face frame assembly and an interactive flat plate, and relates to the technical field of electronic equipment, wherein the light filtering strip comprises a light filtering body, a first pressing part and a second pressing part which are opposite to each other are respectively defined on the front side and the rear side of the light filtering strip, and a first buckling part is convexly arranged on the first pressing part; one end of the isolation rib is connected with the rear side of the light filtering body, a second buckling part is convexly arranged on the outer side of the isolation rib, and a third pressing part is defined at one end, far away from the light filtering body, of the isolation rib; the face frame assembly is respectively fixed with the front side and the rear side of the filter strip through a first fixing rib and a second fixing rib; the interactive flat plate fixes the glass panel through the face frame assembly. Through first buckling parts, second buckling parts respectively with this body coupling of frame, the third portion of supporting is supported by frame body or glass support and is pressed to improve the connection structure stability between optical filtering strip and the frame body, and effectively solve the problem that optical filtering strip turns up the pine and takes off, and then solved the problem that glass jumped off, also reduced mutual dull and stereotyped manufacturing cost.

Description

Filter strip, face frame assembly and interactive flat plate

Technical Field

The utility model relates to the technical field of electronic equipment, in particular to a filter strip, a face frame assembly and an interactive flat plate.

Background

The touch screen of infrared technology is an interactive screen formed by an infrared emitting element and a receiving element which are arranged in a face frame of the touch screen, an infrared detection net is formed on the surface of the screen, and any touch object can change the infrared on a contact point to realize the operation of the touch screen.

Between the infrared emitting element and the infrared receiving element, a filter bar is often provided. Other interference light rays are filtered out through the filtering light strips, and only infrared light rays are passed through to ensure the sensitivity of touch operation. In order to reduce the infrared touch height and enable the touch sensing height to be closer to the display screen, the conventional infrared touch screen is characterized in that a screen frame structure is changed, the distance between a light filtering strip and a glass panel is reduced, and because the distance between the glass panel and the light filtering strip is reduced, a frame profile does not have enough space to support the surface of the glass panel, the light filtering strip needs to be directly abutted against the surface of the glass panel, so that the purpose of reducing the touch height is achieved.

However, due to the reduction of the touch height, the filter strip needs to support the glass panel, in the assembly state of the interactive flat plate, one side of the filter strip can continuously bear the pressure applied by the glass panel, the pressure brought by the filter strip by the glass panel and the fixing structure arranged between the filter strip and the frame are staggered with each other, so that the filter strip has a moment swinging towards the inner side direction of the frame, the risk that the filter strip turns outwards towards the inner side of the frame and jumps out and becomes loose is caused, and the assembly stability of the interactive flat plate is reduced.

SUMMERY OF THE UTILITY MODEL

One of the purposes of the embodiment of the utility model is as follows: the light filtering strip is compact and stable in structure in an assembling state, and the problems of eversion and looseness of the light filtering strip are solved.

The second purpose of the embodiment of the utility model is: the utility model provides a face frame subassembly improves the joint strength of light filtering strip and frame, is favorable to improving infrared touch-control effect.

The third purpose of the embodiment of the utility model is that: the interactive flat plate is provided, the problem that the glass panel is jumped off due to the fact that the filter strips are turned outwards and loosened is avoided, and the quality of equipment is improved.

In order to achieve the purpose, the utility model adopts the following technical scheme:

on one hand, the filter strip comprises a filter body, wherein a first pressing part and a second pressing part which are opposite to each other are respectively limited on the front side and the rear side of the filter body, and a first buckling part is convexly arranged on the first pressing part; the isolation rib, one end with the rear side of filtering the body is connected, the protruding second buckling parts that is equipped with in the outside of isolation rib, the isolation rib is kept away from the one end of filtering the body is injectd the third and is pressed the portion.

In another aspect, there is provided a face frame assembly comprising a light filter bar as described above; the frame body is provided with a first fixing rib and a second fixing rib which are opposite, and a light outlet is defined between the first fixing rib and the second fixing rib; the first fixing rib is provided with a first fixing part matched with the first buckling part, and the second fixing rib is provided with a second fixing part matched with the second buckling part.

In another aspect, an interactive flat plate is provided, which includes the above-mentioned face frame assembly, and an installation space is formed by enclosing; and the glass panel is connected with the face frame assembly and covers the installation space.

The utility model has the beneficial effects that: the filter strip is connected with the frame body through the first buckling parts on the first abutting parts and the second buckling parts on the isolation ribs respectively, so that the filter strip is fixedly matched with the frame body, and the third abutting parts on the isolation ribs are abutted by the frame body or the glass support in an assembling state, so that the front side and the rear side of the filter strip are restrained by the frame body or the frame body and the glass support respectively, and the stability of a connecting structure between the filter strip and the frame body is further improved.

Through above-mentioned scheme, can effectively solve the problem that the filter strip pine takes off of turning up, at mutual dull and stereotyped application, the second portion of supporting supports glass panels, keeps apart the muscle and can replace the crashproof bubble cotton that will set up between original glass panels and the frame body, has reduced mutual dull and stereotyped manufacturing cost. Because the installation of filter strip and frame body is stable, consequently also solved because of the filter strip turns up the problem that takes off and lead to the glass panels to the structural stability who lets the interaction flat board obtains improving, has also improved equipment quality, and its overall structure is simple, and the reliability is high.

Drawings

The utility model is explained in more detail below with reference to the figures and examples.

FIG. 1 is a cross-sectional view of a face frame assembly according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view of a filter bar according to an embodiment of the present invention;

fig. 3 is a schematic cross-sectional structure diagram of the bezel body according to the embodiment of the present invention.

In the figure: 10. a light filtering body; 11. a first pressing part; 111. a first buckling part; 12. a second pressing part; 13. isolating ribs; 131. a second fastening part; 132. a third pressing part; 133. a fourth pressing part; 134. a limiting part; 20. a frame body; 21. a first fixing rib; 211. a first fixed part; 22. a second fixing rib; 221. a second fixed part; 23. a light outlet; 24. a cavity; 241. a first card slot; 242. a second card slot; 25. a glass support; 251. mounting grooves; 252. an adhesive; 26. an infrared PCB board; 261. a light source transceiver; 30. a glass panel.

Detailed Description

In order to make the technical problems solved, technical solutions adopted, and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention are described in further detail below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

As shown in fig. 1 to fig. 3, in order to improve the strength of the assembly structure of the infrared touch screen, the present embodiment provides a filter strip, which is mainly applied to an electronic device with an infrared touch function, and the present embodiment is taken as an example of an application to an interactive flat panel, where the interactive flat panel can operate contents displayed on a display screen and implement a human-computer interaction operation through an infrared touch technology, and integrates one or more functions of a projector, a white board, a curtain, a sound, a television, a video conference terminal, and the like. In practical application, the hardware part of the interactive flat panel is composed of a touch membrane group, a display module, an intelligent processing system and the like, is combined together by an integral structural member, and is supported by a special software system, wherein the display module is matched with the touch membrane group to realize display and touch functions. The user can perform touch operation on the display screen through a finger or a touch pen, the intelligent processing system generates writing handwriting according to the touch operation input by the user and displays the writing handwriting in the display screen, or generates control operation according to the touch operation input by the user to process display content in the display screen.

Typically, the interactive tablet is installed with at least one type of operating system, wherein the operating system includes, but is not limited to, an android system, a Hongmon system, a Linux system, and a Windows system. And processing the touch operation received through the display screen through the operating system. Further, the interactive tablet may have at least one application installed based on the operating system, such as a whiteboard application installed in the interactive tablet. The whiteboard may be an application program carried by the operating system, or an application program downloaded from a third-party device or a server.

As shown in fig. 2, the filter strip includes a filter body 10, and since the commonly used touch light is infrared light, the light source transceiver 261 specifically includes an infrared emitting diode and an infrared receiving diode, and the filter body 10 can filter other interference light except infrared light to ensure the sensitivity of touch operation. Meanwhile, the disturbing light in the embodiment is understood as: the light except the touch light is interference light.

The front side and the rear side of the filter body 10 respectively define a first pressing part 11 and a second pressing part 12 which are opposite, the surfaces of the first pressing part 11 and the second pressing part 12 are matched with the structures of parts matched with the first pressing part 11 and the second pressing part 12, the surfaces of the first pressing part 11 and the second pressing part 12 are planes, and a first buckling part 111 is convexly arranged on the first pressing part 11;

keep apart muscle 13, one end is connected with the rear side of filtering body 10, keeps apart the protruding second buckling parts 131 that is equipped with in the outside of muscle 13, keeps apart the muscle 13 and keeps away from the one end of filtering body 10 and inject third support pressing part 132.

Specifically, the first engaging portion 111, the isolating rib 13, and the third engaging portion are integrated with the filter body 10. Meanwhile, the filter body 10 is an infrared filter strip, and the material thereof may be pc (polycarbonate) or pmma (polymethyl methacrylate).

When the filter strip assembly is used in an interactive flat plate, the first buckling part 111 and the second buckling part 131 are respectively assembled on the first fixing rib 21 and the second fixing rib 22 of the frame body 20, so that the filter strip is fixedly matched with the frame body 20, and the two sides of the filter strip are specifically matched with the frame body 20 in a buckle matching manner, so that the installation operation of the filter strip body 10 on the frame body 20 is simple and convenient, and the improvement of the interactive flat plate assembly efficiency is facilitated. The second pressing portion 12 cooperates with the frame body 20 or the glass bracket 25 mounted on the frame body 20 to fix the glass panel 30, and meanwhile, the frame body 20 or the glass bracket 25 cooperates with the first fixing rib 21 to clamp the front and rear sides of the light filtering strip by pressing the third pressing portion 132, so that the front and rear sides of the light filtering strip are respectively constrained by the frame body 20 or the frame body 20 and the glass bracket 25, thereby further improving the stability of the connection structure between the light filtering strip and the frame body 20.

Through the above scheme, can effectively solve the problem that the filter strip pine takes off of turning up, at mutual dull and stereotyped application process, second suppression portion 12 supports glass panels 30, make the edge of glass panels 30 directly contradict on second suppression portion 12, shorten the perpendicular distance of glass panels 30 and light source transceiver 261 as touch panel, reduce mutual dull and stereotyped touch-control height, let touch-control operation more be close to real writing operation, improve the reaction sensitivity who writes or touch-control in-process, promote mutual dull and stereotyped performance. In traditional mutual dull and stereotyped frame structure, it is cotton still to be provided with the anticollision bubble between toughened glass and the frame, thereby play protection toughened glass's tip, avoid bumping between toughened glass tip and the frame and lead to cracked condition, and the anticollision bubble that isolation muscle 13 in this embodiment can replace between original glass panels 30 and the frame body 20 and will set up is cotton, separate glass panels 30 and frame body 20, prevent that glass panels 30 from being collided by frame body 20 and split, when having reached the same effect with the anticollision bubble cotton, interactive dull and stereotyped manufacturing cost has been reduced.

Because the installation of filter strip and frame body 20 is stable, consequently also solved because of the filter strip turns up the problem that takes off and lead to glass panels 30 to let the dull and stereotyped structural stability of interaction obtain improving, also improved equipment quality, its overall structure is simple, and the reliability is high.

It should be noted that, in the present invention, for the side filter strips, the face frame assembly and the interactive flat plate, the direction close to the center of the glass panel 30 is the inner side of each component, i.e. the "inner" direction indicated by the arrow in the drawing, and the direction away from the center of the glass panel 30 is the outer side of each component, i.e. the "outer" direction indicated by the arrow in the drawing; when the filter strip, the face frame assembly and the interactive flat panel are used by a user, the side of the glass panel 30 facing the user is the front side of each component, namely the direction of the arrow in the drawing, and the side of the glass panel 30 facing away from the user is the back side of each component, namely the direction of the arrow in the drawing. The thickness direction in the present embodiment refers to a direction from the front side to the back side or from the back side to the front side of the light filter, the face frame assembly and the interactive flat plate, i.e. a direction perpendicular to the glass panel 30.

As shown in fig. 1, in the present embodiment, when the glass panel 30 abuts against the third pressing portion 132, the thickness direction of the filter strip is stressed, the first pressing portion 11 is pressed against the first fixing rib 21, specifically, the surface of the first pressing portion 11 is parallel to the surface of the third pressing portion 132, and the extending directions of the glass bracket 25 and the first fixing rib 21 are also parallel to each other, so that the stress on the surface of the first pressing portion 11 and the surface of the third pressing portion 132 are uniform, so that the filter body 10 is subjected to an acting force substantially parallel to the thickness direction thereof, the connection stability between the filter body 10 and the frame body 20 is improved, and the filter body 10 is prevented from being turned outwards due to a moment in the roll direction.

In the face frame assembly of this embodiment, the frame body 20 may be a sheet metal frame or a profile frame, and in this embodiment, a profile frame structure is adopted as an example, and in a state where the profile frame structure is applied to an interactive flat plate, the glass panel 30 is fixed between the frame body 20 and the filter strip, the display module (not shown) is installed on the frame body 20, a back plate (not shown) is further disposed at the back of the interactive flat plate, and the backlight assembly (not shown) is disposed between the OC of the display module and the back plate.

As shown in fig. 3, the frame body 20 is provided with a first fixing rib 21 and a second fixing rib 22 which are opposite to each other, the first fixing rib 21 and the second fixing rib 22 are arranged at an interval, and a light outlet 23 is defined between the first fixing rib 21 and the second fixing rib 22, the light outlet 23 is communicated with a cavity 24 formed inside the frame body 20, so that the light source transceiver 261 installed in the cavity 24 can transmit or receive infrared light through the light outlet 23, in the cavity 24 inside the frame body 20, one side close to the first fixing rib 21 is provided with a first clamping groove 241, one side close to the second fixing rib 22 is provided with a second clamping groove 242, the first clamping groove 241 and the second clamping groove 242 are arranged oppositely in the thickness direction of the frame body 20, and the first clamping groove 241 and the second clamping groove 242 are respectively used for being clamped into two sides of the infrared PCB 26. Thus, the infrared PCB 26 is stably mounted, and the light source transceiver 261 is electrically connected to the infrared PCB 26 and faces the light outlet 23.

Be equipped with on the first fixed muscle 21 with first buckling parts 111 assorted first fixed part 211, be equipped with on the second fixed muscle 22 with second buckling parts 131 assorted second fixed part 221, different with current filter strip structure, two fasteners of current filter strip extend towards the front side and the rear side of filter strip respectively to stagger distance far away each other on the thickness direction of filter strip, promptly, two fasteners are not on same vertical plane, and like this, the filter strip can produce a moment of rotation along the direction of turning up. In this embodiment, the first engaging portion 111 of the light filtering strip extends toward the front side of the light filtering strip, and the second engaging portion 131 extends toward the outer side of the light filtering strip, preferably, the extending directions of the first engaging portion 111 and the second engaging portion 131 are set at 90 °, so as to avoid the situation that the two engaging portions form an everting direction moment on the light filtering body 10 due to being not on the same vertical plane, and correspondingly, the first fixing portion 211 is set on the front side of the light filtering strip, and the second fixing portion 221 is set on the outer side of the light filtering strip, specifically, the first engaging portion 111 and the second engaging portion 131 can be both a protruding structure or a recessed structure, and when the first engaging portion 111 is a protruding structure, the first fixing portion 211 on the first fixing rib 21 is a recessed structure; on the contrary, when the first engaging portion 111 is a concave structure, the first fixing portion 211 is a convex structure. Similarly, when the second engaging portion 131 is a protrusion structure, the second fixing portion 221 of the second fixing rib 22 is a groove structure; on the contrary, when the second fastening portion 131 is a groove structure, the second fixing portion 221 is a protrusion structure.

In this embodiment, the first fastening portion 111 and the second fastening portion 131 are protruding structures, the first fixing portion 211 and the second fixing portion 221 are corresponding groove structures, the filter body 10 only needs to be clamped into the groove structures in the installation process, the installation operation of the filter body 10 on the frame body 20 is greatly improved, of course, the filter body 10 can be installed on the frame body 20 in a side-inserting manner, the filter body 10 is on one side of the frame body 20 and is inserted into the frame body 20 along the length direction, the first fixing portion 211 and the second fixing portion 221 respectively guide the first fastening portion 111 and the second fastening portion 131, and the installation is finally completed.

The outer side of the isolation rib 13 defines a fourth pressing portion 133, the second buckling portion 131 is disposed on the fourth pressing portion 133, the surface of the fourth pressing portion 133 is perpendicular to the surface of the first pressing portion 11, and correspondingly, the surface of the end of the second fixing rib 22 having the second fixing portion 221 is also perpendicular to the surface of the end of the first fixing rib 21 having the first fixing portion 211, so that when the first buckling portion 111 is fastened to the first fixing portion 211, the first pressing portion 11 is tightly attached to the first fixing rib 21, and when the second buckling portion 131 is fastened to the second fixing portion 221, the fourth pressing portion 133 is tightly attached to the second fixing rib 22, so that the filter effect of the interactive flat plate is better, the compactness between the structure and the structure is ensured, the gap between the filter body 10 and the frame body 20 is reduced, and the situation that the filter body 10 is loosened on the frame body 20 to cause light interference is effectively avoided, and the touch effect of the interactive flat panel is improved.

Further, the glass bracket 25 in the face frame assembly is disposed at the rear side of the bezel body 20; when the first engaging portion 111 is engaged with the first fixing portion 211 and the second engaging portion 131 is engaged with the second fixing portion 221, the first pressing portion 11 is abutted against the first fixing rib 21, and the glass bracket 25 is abutted against the third pressing portion 132.

The inner side of the isolation rib 13 defines a limiting portion 134, the fourth pressing portion 133, the third pressing portion 132 and the limiting portion 134 are enclosed to form the isolation rib 13, the isolation rib 13 may be a solid structure or a hollow structure, the limiting portion 134 is disposed adjacent to the second pressing portion 12, specifically, the surface of the limiting portion 134 and the surface of the second pressing portion 12 are perpendicular to each other to define a mounting portion for supporting the glass panel 30, in the application state of the interactive flat panel, the filter strip is abutted against the front side of the glass panel 30 through the second pressing portion 12 to support the glass panel, the isolation rib 13 is located at the side portion of the glass panel 30, the length of the isolation rib 13 is greater than the thickness of the glass panel 30, so that the isolation rib 13 can abut against the glass bracket 25 mounted at the rear side of the frame body 20, the side portion of the glass panel 30 abuts against the limiting portion 134 to apply an acting force to the isolation rib 13 in the direction toward the outer side of the filter strip, finally, the fourth pressing portion 133 of the light filtering strip presses against the second fixing rib 22, and the isolation rib 13 is arranged between the frame body 20 and the glass panel 30 to replace the anti-collision foam arranged between the original glass panel 30 and the frame body 20, so that the anti-collision function is achieved, and the production cost of the interactive flat plate is reduced. Moreover, when the glass panel 30 is pressed against the filter body 10, even if an outward turning moment is formed on the filter body 10, the isolation rib 13 can also be pressed against the side of the glass panel 30, so as to keep the stability of the filter body 10, and further improve the assembling stability of the filter strip and the frame body 20 in an assembling state.

In order to further improve the connection strength between the optical filter strip and the frame body 20, the width of the first engaging portion 111 gradually narrows from the end far away from the optical filter body 10 to the end close to the optical filter body 10, so that the first engaging portion 111 forms a reverse-locking fixing structure in the first fixing portion 211, thereby avoiding the risk that the optical filter strip is loosened relative to the frame body 20 to cause the glass panel 30 to jump off.

As described above, in the thickness direction of the filter strip, the isolation rib 13 completely overlaps the filter body 10, so that the pressure generated by the glass holder 25 on the third pressing surface does not cause the isolation rib 13 to apply an eccentric moment on the filter body 10, thereby avoiding the situation that the filter body 10 is turned outwards and loosened.

In the interactive flat plate assembly state, the glass bracket 25 and the glass panel 30 are bonded and matched through the adhesive 252, so that the glass panel 30 is stably mounted on the glass bracket 25, wherein the adhesive 252 may be glue or double-sided tape. A mounting groove 251 for mounting the glass panel 30 is defined between the glass support 25 and the second pressing portion 12 and the isolation rib 13, when the glass panel 30 is disposed in the mounting groove 251, the glass support 25 and the second pressing portion 12 are respectively abutted against and matched with two opposite sides of the glass panel 30, and the isolation rib 13 is abutted against the second fixing rib 22 by a side portion of the glass panel 30, because the length of the isolation rib 13 is greater than the thickness of the glass panel 30, when the glass panel 30 is abutted against the second pressing portion 12, the isolation rib 13 protrudes out of a rear side surface of the glass panel 30 and abuts against the glass support 25, in order to ensure that the glass support 25 and the glass panel 30 can be stably matched, a double-faced adhesive tape, specifically a foam double-faced adhesive tape, is disposed between the glass support 25 and the glass panel 30, thus, while the distance between the glass support 25 and the glass panel 30 can be compensated, the hard connection between the glass support 25 and the glass panel 30 can be avoided, the risk of the glass panel 30 being broken by impact is reduced.

The interactive flat panel in this embodiment is described in detail below, and includes the above-mentioned multi-segment face frame assembly, the multi-segment face frame assembly is sequentially connected and encloses to define an installation space, and the glass panel 30 is connected with the face frame assembly and covers the installation space to form the touch panel of the interactive flat panel.

Through implementing above-mentioned technical scheme, can improve mutual dull and stereotyped part assembly stability, improve equipment quality, simultaneously, because the filter strip has avoided turning up, also improved mutual dull and stereotyped touch-control precision, let user operation experience better.

In the description herein, it is to be understood that the terms "upper," "lower," "left," "right," and the like are used in an orientation or positional relationship merely for convenience in description and simplicity of operation, and do not indicate or imply that the referenced device or element must have a particular orientation, configuration, and operation in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used merely for descriptive purposes and are not intended to have any special meaning.

In the description herein, references to the description of "an embodiment," "an example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be appropriately combined to form other embodiments as will be appreciated by those skilled in the art.

The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the utility model and should not be construed in any way as limiting the scope of the utility model. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.

Claims

1. A filter strip, comprising:

the filter comprises a filter body (10), wherein a first pressing part (11) and a second pressing part (12) which are opposite to each other are respectively defined at the front side and the rear side of the filter body, and a first buckling part (111) is convexly arranged on the first pressing part (11);

keep apart muscle (13), one end with the rear side of filtering body (10) is connected, the protruding second buckling parts (131) that are equipped with in the outside of keeping apart muscle (13), keep away from in isolation muscle (13) the third portion of pressing (132) is injectd to the one end of filtering body (10).

2. A filter strip according to claim 1 wherein the surfaces of the first (11) and third (132) abutments are parallel to each other.

3. The filter strip according to claim 1, wherein a fourth pressing portion (133) is defined at an outer side of the isolation rib (13), and the second buckling portion (131) is disposed on the fourth pressing portion (133).

4. The light filtering strip according to claim 3, wherein a limiting portion (134) is defined at the inner side of the isolation rib (13), and the fourth pressing portion (133), the third pressing portion (132) and the limiting portion (134) are enclosed to form the isolation rib (13);

the limiting part (134) is adjacent to the second pressing part (12) and limits an installation part for supporting the glass panel (30).

5. The filter strip according to claim 1, wherein the first engaging portion (111) is gradually narrowed from an end away from the filter body (10) to an end close to the filter body (10).

6. A filter strip according to any one of claims 1 to 5, wherein the spacer rib (13) completely coincides with the filter body (10) in the thickness direction of the filter strip.

7. A face frame assembly, comprising:

the filter strip of any of claims 1-6;

the frame body (20) is provided with a first fixing rib (21) and a second fixing rib (22) which are opposite, and a light outlet (23) is defined between the first fixing rib (21) and the second fixing rib (22); be equipped with on first fixed muscle (21) with first buckling parts (111) assorted first fixed part (211), be equipped with on second fixed muscle (22) with second buckling parts (131) assorted second fixed part (221).

8. The face frame assembly of claim 7, further comprising:

a glass bracket (25) provided on the rear side of the frame body (20);

when the first buckling part (111) is matched with the first fixing part (211) and the second buckling part (131) is matched with the second fixing part (221), the first pressing part (11) is abutted to the first fixing rib (21), and the glass support (25) is abutted to the third pressing part (132).

9. The face frame assembly of claim 8, wherein the glass bracket (25) and the second pressing portion (12) and the isolation rib (13) define a mounting groove (251) therebetween for mounting a glass panel (30);

when the glass panel (30) is arranged in the mounting groove (251), the glass support (25) and the second pressing part (12) are respectively abutted and matched with two opposite sides of the glass panel (30), and the isolation rib (13) is abutted and pressed on the second fixing rib (22) by the side part of the glass panel (30).

10. An interactive tablet, comprising:

the face frame assembly of any one of claims 7-9, enclosed to form an installation space;

a glass panel (30) connected with the face frame assembly and covering the installation space.