Display screen structure based on glass light guide plate

Abstract

The utility model discloses a display screen structure based on a glass light guide plate, and aims to provide the display screen structure based on the glass light guide plate, which can improve the assembly efficiency and the stability. The device comprises a bracket, the PCB is arranged in the bracket, and the PCB is connected with the bracket; the connecting assembly is arranged in the bracket and is connected with the bracket; the ITO touch diaphragm is arranged below the support, the ITO touch diaphragm is electrically connected with the PCB, and the ITO touch diaphragm comprises an operation area and a mistaken touch prevention area; the glass plate is arranged below the support, the glass plate is connected with the support through a connecting assembly, one side of the glass plate is connected with the ITO touch membrane, the other side of the glass plate is provided with a functional area, and the functional area corresponds to the operation area in position; the plurality of lamp beads are arranged between the glass plate and the ITO touch membrane, the lamp beads are electrically connected with the ITO touch membrane, and the positions of the lamp beads are matched with the positions of the functional areas. The beneficial effects of the utility model are that the convenience of use and operation of the display screen is improved; the assembly efficiency is improved; later maintenance is facilitated; and equipment assembly is facilitated.

Description

Technical Field

[0001] This utility model relates to the field of digital display technology, and in particular to a display screen structure based on a glass light guide plate. Background Technology

[0002] Display screens emit light in two ways: side-backlighting and bottom-backlighting. Side-backlighting works by using a light guide plate to emit light outwards in a plane, creating a surface light source.

[0003] Chinese Patent Publication No.: CN 207992636 U, Publication Date: October 19, 2018. This utility model proposes a display screen with a glass light guide plate for light guiding and imaging. It includes an LCD display screen, with a glass light guide plate on the upper side of the light-emitting surface of the LCD display screen. An LED light source is located on one side of the glass light guide plate, and a light-concentrating plate is located on the side of the glass light guide plate away from the LED light source. The side of the glass light guide plate facing the LCD display screen is a dotted surface with several laser dots. Heat-conducting strips are provided on all four sides of the LCD display screen. The drawback of this technical solution is that the assembly efficiency and stability of the glass light guide plate and the display screen are low, affecting the assembly efficiency of the display screen.

[0004] In summary, the display screen structure suffers from low assembly efficiency and stability, which affects the efficiency of display screen assembly and ease of use. Utility Model Content

[0005] The present invention aims to overcome the shortcomings of existing display screen structures, such as low assembly efficiency and stability, which affect the assembly efficiency and ease of use of the display screen. It provides a display screen structure based on a glass light guide plate that improves the assembly efficiency, stability and ease of use of the display screen structure.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A display screen structure based on a glass light guide plate, comprising:

[0008] support;

[0009] The PCB board is placed inside the bracket, and the PCB board is connected to the bracket.

[0010] The connecting component is placed inside the bracket and is connected to the bracket.

[0011] An ITO touch film is placed below the bracket. The ITO touch film is electrically connected to the PCB board. The ITO touch film includes an operation area and an anti-accidental touch area.

[0012] The glass plate is arranged below the support, and the glass plate is connected with the support through the connecting assembly; one side of the glass plate is provided with an ITO touch film, and the other side of the glass plate is provided with a functional area corresponding to the position of the operation area.

[0013] A plurality of lamp beads are arranged between the glass plate and the ITO touch film, and the lamp beads are electrically connected with the ITO touch film; the positions of the lamp beads are matched with the positions of the functional areas.

[0014] The PCB is installed in the support to be protected by the support circuit, and the ITO touch film and the lamp beads are electrically controlled through the connecting PCB, so that the lamp beads emit light at the same time, and the functional areas on the other side of the glass plate are illuminated through the light guide of the glass plate; the panel formed by the glass is used for point touch through the illuminated functional areas, the operation area of the ITO touch film on one side of the glass plate is connected with the PCB to realize the function operation of the equipment, the connected lamp beads are used for point illumination of the functional areas to highlight the display of the function, the structure of the display screen is simplified, and the operation efficiency is improved; in addition, the ITO touch film includes a mistaken touch prevention area which is isolated from the operation area, and the area of the mistaken touch prevention area is a grounding film area, so that the mistaken touch probability of the functional area caused by wiping the glass plate during cleaning and maintenance is reduced; through the connecting assembly, the structure can be quickly assembled, the glass plate is conveniently assembled, stably connected, and easily disassembled and maintained in the later period, the convenience of the display screen operation is improved, the structural connection stability is enhanced, the structure is simplified, the assembly efficiency is improved, and the effect of facilitating the later maintenance is achieved.

[0015] Preferably, the support is provided with a mounting groove, the PCB is clamped with the mounting groove, the cross section shape of the mounting groove is wedge-shaped, the slot opening of the mounting groove is provided with a sunken groove, and the sunken groove is embedded with a dustproof plate. The surface of the support is provided with a recessed mounting groove, the PCB is clamped and fixed on the groove wall of the wedge-shaped mounting groove and does not contact the groove bottom of the mounting groove, so as to leave space for installing the glass plate and positioning the PCB, and the slot opening end face of the mounting groove is positioned and connected with the dustproof plate through the sunken sunken groove, so as to prevent dust from entering the mounting groove from the surface of the support and affecting the PCB through the dustproof plate. The effects of stably and quickly assembling the PCB and the dustproof plate and protecting the PCB are achieved.

[0016] Preferably, the two sides of the support are connected with mounting ears, and the mounting ears are provided with reserved holes. The mounting ears are connected on the side surface of the support to assemble and disassemble the display screen on the equipment through the reserved holes on the mounting ears. The effect of enhancing the assembly convenience of the display screen is achieved.

[0017] Preferably, the support is provided with a reinforcing plate, and the reinforcing plate is connected with the support and the mounting ear. The reinforcing plate is connected at the surface of the mounting ear and the side surface of the support to prevent the mounting ear from being broken. The effect of enhancing the structural strength of the mounting ear is achieved.

[0018] As preferred, the groove bottom of the mounting groove is provided with a positioning socket, and the ITO touch film is electrically connected with the PCB through the positioning socket.

[0019] As preferred, the connecting assembly comprises a plurality of side buckles, one end of the side buckle is connected with the groove bottom of the mounting groove, the other end of the side buckle is arranged above the positioning socket, and the side edges of the glass plate and the ITO touch film are buckled with the side buckle. The structure of the positioning socket is a long strip-shaped rectangular hole, and the side buckles in the connecting assembly are evenly arranged along the long two side edges of the positioning socket and are connected in the mounting groove to be fixed, so that the glass plate and the ITO touch film are quickly fixed through the side buckles when being assembled and are conveniently removed when being maintained. The connecting efficiency of the ITO touch film and the glass plate is improved, and the maintenance is facilitated.

[0020] As preferred, the connecting assembly comprises an end buckle, one end of the end buckle is connected with the groove bottom of the mounting groove, the other end of the end buckle is arranged above the positioning socket, and the end of the glass plate is buckled with the end buckle. The end buckle is arranged along the other two short side edges of the positioning socket and is connected in the mounting groove to be fixed, so that the glass plate with a greater thickness than the ITO touch film is further quickly fixed and positioned at both ends, the glass plate is prevented from moving in the positioning socket, the connection stability of the connected ITO touch film is ensured, and the glass plate can be conveniently removed when being maintained. The connecting efficiency, stability and maintenance of the glass plate are further improved.

[0021] As preferred, the glass plate is provided with a plurality of accommodation grooves, the functional area comprises a plurality of functional key blocks, the positions of the accommodation grooves are matched with the positions of the functional key blocks, and the lamp beads are arranged in the accommodation grooves. The surface of the glass plate is provided with the accommodation grooves, so that the lamp beads can be arranged in the accommodation grooves, the position matching accuracy of the lamp beads and the functional key blocks is ensured, and the ITO touch film is connected with the glass plate flatly. The assembly accuracy of the lamp beads is improved, the connection stability is ensured, and the assembly with equipment in the later period is facilitated.

[0022] The display screen has the advantages that the operation convenience of the display screen is improved, the structural connection stability is enhanced, the structure is simplified, the assembly efficiency is improved, the later maintenance is facilitated, the assembly convenience is enhanced, the structural strength is enhanced, the assembly accuracy of the structure is improved, and the assembly with equipment in the later period is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 is a perspective view of the utility model;

[0024] Figure 2 is Figure 1 an explosion view of the utility model;

[0025] Figure 3 is a sectional view of the bracket; Figure 2

[0026] Figure 4 is a structural schematic diagram of the bracket;

[0027] Figure 5 is a structural schematic diagram of the ITO touch film and the glass plate;

[0028] Figure 6 is a structural schematic diagram of the ITO touch film.

[0029] In the figure: 1. bracket, 2. PCB plate, 3. ITO touch film, 4. glass plate, 5. functional area, 6. lamp bead, 7. mounting groove, 8. sunken groove, 9. dustproof plate, 10. mounting lug, 11. reserved hole, 12. reinforcing plate, 13. positioning jack, 14. side plate buckle, 15. end buckle, 16. give way groove, 17. functional key block. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments of the present application. The description of the at least one exemplary embodiment is actually only illustrative, but not intended to limit the present application and its application or use in any way. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0031] It should be noted that the terms used herein are only for the purpose of describing specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. As used herein, the singular form is intended to include the plural form unless the context clearly indicates otherwise, and it should also be understood that when the terms "comprise" and / or "include" are used in the specification, there is a feature, step, operation, device, component and / or combination thereof.

[0032] ​Unless otherwise specifically stated, the relative arrangement, numerical expressions, and values ​​of components illustrated in these embodiments do not limit the scope of this application. For ease of illustration, spatial relative terms such as “up,” “down,” “left,” and “right” are used in the embodiments to describe the relationship of one element or feature shown in the figures relative to another element or feature. It should be understood that, in addition to the orientations shown in the figures, spatial terms are intended to include different orientations of the device in use or operation. For example, if the device in the figure is inverted, an element described as being “below” other elements or features would be positioned “up” other elements or features. Thus, the exemplary term “down” can include both up and down orientations. The device may be positioned in other ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein can be interpreted accordingly. It should also be understood that, for ease of description, the dimensions of the various parts shown in the figures are not drawn to actual scale. Techniques, processes, and equipment known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, processes, and equipment should be considered part of the specification. In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters in the following figures denote similar items; therefore, once an item is defined in one figure, it need not be discussed further in subsequent figures.

[0033] Furthermore, it should be noted that the use of terms such as "first" and "second" to define components is merely for the purpose of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be construed as limiting the scope of protection of this application.

[0034] Example 1:

[0035] like Figure 1 , 2 As shown in Figures 3 and 6, a display screen structure based on a glass light guide plate includes a bracket 1; a PCB board 2 placed inside the bracket 1 and connected to the bracket 1; a connecting assembly placed inside the bracket 1 and connected to the bracket 1; an ITO touch film 3 placed below the bracket 1 and electrically connected to the PCB board 2, the ITO touch film 3 including an operation area 18 and an anti-accidental touch area 19; a glass plate 4 placed below the bracket 1, the glass plate 4 being detachably connected to the bracket 1 via the connecting assembly, one side of the glass plate 4 being connected to the ITO touch film 3, and the other side of the glass plate 4 having a functional area 5, the functional area 5 corresponding to the position of the operation area 18; and a plurality of LED beads 6 placed between the glass plate 4 and the ITO touch film 3, the LED beads 6 being electrically connected to the ITO touch film 3, the position of the LED beads 6 being adapted to the position of the functional area 5.

[0036] like Figure 3 , 4 As shown, the bracket 1 is provided with a mounting groove 7, the PCB board 2 is snapped into the mounting groove 7, the cross-sectional shape of the mounting groove 7 is wedge-shaped, the groove opening of the mounting groove 7 is provided with a recessed groove 8, and a dustproof plate 9 is embedded in the recessed groove 8.

[0037] like Figure 4 As shown, mounting ears 10 are connected to both sides of the bracket 1, and the mounting ears 10 are provided with reserved holes 11.

[0038] like Figure 1 , 4 As shown, the bracket 1 is provided with a reinforcing plate 12, which is connected to the bracket 1 and the mounting ear 10.

[0039] like Figure 3 , 4 As shown, the bottom of the mounting slot 7 is provided with a positioning socket 13, through which the ITO touch film 3 passes and is electrically connected to the PCB board 2.

[0040] like Figure 2 , 3 As shown, the connecting assembly includes several side clips 14. One end of the side clip 14 is connected to the bottom of the mounting groove 7, and the other end of the side clip 14 is placed above the positioning hole 13. The sides of the glass plate 4 and the ITO touch film 3 are both engaged with the side clips 14.

[0041] like Figure 3 As shown, the connecting assembly includes an end clip 15. One end of the end clip 15 is connected to the bottom of the mounting groove 7, and the other end of the end clip 15 is positioned above the positioning insertion hole 13. The ends of the glass plate 4 are all engaged with the end clip 15.

[0042] like Figure 1 , 5 As shown, the glass plate 4 is provided with several clearance grooves 16, the functional area 5 includes several function key blocks 17, the position of the clearance grooves 16 is adapted to the position of the function key blocks 17, and the lamp beads 6 are placed in the clearance grooves 16.

[0043] like Figures 1-6As shown: each function key block 17 on the function area 5 is printed with the corresponding required style and pattern content by glass silk screen printing, the display screen structure of the embodiment adopts six function key blocks 17, the lamp bead 6 adopts LED lamp bead, and the six lamp beads 6 are respectively positioned in the slot 16 to illuminate the corresponding six function key blocks 17, the function key block 17 is the pattern silk printed in the lower half of the function area 5, and the upper half is the silk printed text (the meaning of the pattern), the light shielding is performed on the upper half where the text is located by coating the black layer which is not transparent (coating around the text), so that the text and the lower half are illuminated and protruded, so that the vision of the personnel is more concentrated in the touch area, and the light source stimulation is reduced. The silk printed line of the ITO touch film 3 includes the wire of the operation area, and the wire frame selection range of the key and the connection area is spaced by at least 1.5 mm (such as Figure 6 As shown).

[0044] The thickness of the glass plate 4 is 5 mm, and the thickness of the ITO touch film (ITO film) is 0.2 mm. After the glass plate 4 and the support 1 are positioned and installed, the connection position of the glass plate 4 and the support 1 which is glued can further improve the fixing strength.

[0045] In use: the power supply is connected through the equipment plug, the lamp bead 6 guides the light to illuminate the function area 5, the corresponding function key block 17 on the glass plate 4 is clicked, the ITO touch film 3 receives the touch sensing feedback PCB 2, and the equipment performs the corresponding operation.

[0046] The above embodiment is only used to illustrate the technical scheme of the utility model, and not to limit it; although the utility model is described in detail with reference to the foregoing embodiment, those skilled in the art should understand that the technical scheme recorded in the foregoing embodiment can be modified, or some technical features can be replaced; and these modifications or replacements do not make the essence of the corresponding technical scheme deviate from the spirit and scope of the technical scheme of the utility model embodiment.

Claims

1. A light guide plate based display screen structure, characterized in that, The utility model provides a kind of ITO touch screen, including Support (1); PCB board (2) is placed in support (1), and the PCB board (2) is connected with support (1); Connecting component is placed in support (1), and the connecting component is connected with support (1); ITO touch film (3) is placed below support (1), and the ITO touch film (3) is electrically connected with PCB board (2), and the ITO touch film (3) includes operation area (18) and anti-misoperation area (19); Glass plate (4) is placed below support (1), and the glass plate (4) is connected with support (1) by connecting component, and one side of the glass plate (4) is with ITO touch film (3), and the other side of the glass plate (4) is equipped with functional area (5), and the functional area (5) is corresponding with the position of operation area (18); A plurality of lamp beads (6) are placed between glass plate (4) and ITO touch film (3), and the lamp beads (6) are electrically connected with ITO touch film (3), and the position of the lamp beads (6) is adapted to the position of functional area (5).

2. The display screen structure based on glass light guide plate according to claim 1, characterized in that, The support (1) is equipped with mounting groove (7), and the PCB board (2) is clamped with mounting groove (7), and the slot of the mounting groove (7) is equipped with sunken recess (8), and the sunken recess (8) is embedded with dustproof plate (9).

3. The display screen structure based on glass light guide plate according to claim 1, characterized in that, The both sides of the support (1) are connected with mounting lug (10), and the mounting lug (10) is equipped with reserved hole (11).

4. The display screen structure based on glass light guide plate according to claim 3, characterized in that, The support (1) is equipped with reinforcing plate (12), and the reinforcing plate (12) is connected with support (1) and mounting lug (10).

5. The display screen structure based on glass light guide plate according to claim 2, characterized in that, The bottom of the mounting groove (7) is equipped with positioning jack (13), and the ITO touch film (3) is electrically connected with PCB board (2) by passing through positioning jack (13).

6. The display screen structure based on glass light guide plate according to claim 5, characterized in that, The connecting component includes a plurality of side edge buckles (14), one end of the side edge buckle (14) is connected with the bottom of mounting groove (7), and the other end of the side edge buckle (14) is placed above positioning jack (13), and the side of glass plate (4) and ITO touch film (3) is clamped with side edge buckle (14).

7. The display screen structure based on glass light guide plate according to claim 6, characterized in that, The connecting component includes end buckle (15), one end of the end buckle (15) is connected with the bottom of mounting groove (7), and the other end of the end buckle (15) is placed above positioning jack (13), and the end of glass plate (4) is clamped with end buckle (15).

8. The display screen structure based on glass light guide plate according to claim 1 or 7, characterized in that, The glass plate (4) is equipped with a plurality of accommodation grooves (16), and the functional area (5) includes a plurality of function key blocks (17), the position of the accommodation groove (16) is adapted to the position of function key block (17), and the lamp bead (6) is placed in accommodation groove (16).

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