CN214587783U

CN214587783U - LED display screen

Info

Publication number: CN214587783U
Application number: CN202120427959.9U
Authority: CN
Inventors: 陈伟
Original assignee: Xiamen Puxing Electronics Science & Technology Co ltd
Current assignee: Xiamen Puxing Electronics Science & Technology Co ltd
Priority date: 2021-02-27
Filing date: 2021-02-27
Publication date: 2021-11-02
Anticipated expiration: 2031-02-27

Abstract

The utility model discloses a LED display screen, including the fixed frame of base plate and mouth font, fixed frame passes through the bolt fastening in one side of base plate, first recess has been seted up to one side of base plate, the inside of first recess passes through the bolt fastening circuit board, one side welding of circuit board has the LED lamp, the other side welding of circuit board has the wire, and one side of first recess is seted up the through wires hole that supplies the wire to pass, the inside of fixed frame is inlayed and is equipped with the decorative board; the utility model discloses mainly use through the cooperation of decorative board and PET membrane, make equipment display effect reach the definition that evenly shows with the increase display module assembly, be provided with the leaded light glue film at the inner wall of second recess, glue the light of LED lamp through the leaded light and handle, and the wafer of LED lamp is the matching setting with display device's wafer, and the probability of bright or luminance not enough appears in the luminance that reduces the LED lamp, improves the display effect of display screen to a certain extent.

Description

LED display screen

Technical Field

The utility model relates to a display screen technical field specifically is a LED display screen.

Background

The LED display screen is a flat panel display, which is composed of small LED module panels, and is used to display various information such as text, images, video, etc. With the rapid update and development of electronic products, people have higher and higher requirements on the definition of pictures and characters displayed by display equipment, and especially for handheld products, the pictures and the characters are displayed through an LED display screen on the display equipment. However, most of the existing LED display screens do not perform light processing on the LED module, when people use the handheld product, the brightness of the lamp in the LED module may appear too bright to cause glasses to be damaged or brightness to be insufficient, and the display effect is further affected by the problems of blurring and the like, so we need to provide an LED display screen.

Disclosure of Invention

An object of the utility model is to provide a LED display screen, through the theory of operation of display screen, can solve current LED display screen majority and can not carry out light treatment to the LED module, people are when using handheld product, and the luminance of lamp probably appears crossing bright leading to glasses impaired or luminance not enough in the LED module, fuzzy scheduling problem and then influence the problem of display effect.

In order to achieve the above object, the utility model provides a following technical scheme: a light-emitting diode (LED) display screen comprises a base plate and a fixing frame shaped like a Chinese character 'kou', the fixing frame is fixed on one side of the base plate through bolts, a first groove is formed in one side of the base plate, a circuit board is fixed inside the first groove through bolts, a light-emitting diode (LED) lamp is welded on one side of the circuit board, a lead is welded on the other side of the circuit board, a threading hole for the lead to pass through is formed in one side of the first groove, a decorative plate is embedded inside the fixing frame, one side of the decorative plate is connected with the fixing frame through a second glue layer, a polyethylene terephthalate (PET) film is attached to one side of the decorative plate, a light guide plate is arranged between the decorative plate and the circuit board, a light shielding plate is attached to one side of the light guide plate, the light shielding plate is connected with one side of the circuit board through the first glue layer, a through hole for the LED lamp to pass through is formed in the first glue layer and the light shielding plate, a second groove for the LED lamp to enter through the light-emitting surface end is formed in one side of the light guide plate, the inner wall of the second groove is provided with a light guide glue layer, and the other side of the light guide plate is provided with a display module.

Preferably, the decorative board sets up to the PC2805 lens, just the decorative board is semitransparent setting, one side surface of decorative board sets up to the mat surface, the mat surface of decorative board and the laminating of one side of PET membrane.

Preferably, the side of decorative board is the setting of T shape, the second glue film is located the breach department at decorative board both ends, just the third recess that supplies the decorative board embedding is seted up to one side of fixed frame, the second glue film bonds the inner wall at the third recess.

Preferably, the wafer of the LED lamp is set to be a 3.0V wafer, and the wafer of the LED lamp is matched with the wafer of the display device.

Preferably, the light guide glue layer is arranged to be AB light guide glue, and the light guide glue for packaging the LED lamp is AB light guide glue.

Preferably, one side of the fixed frame is fixed with two positioning columns, one side of the base plate is provided with positioning holes for the two positioning columns to insert, and four corners of the base plate and the fixed frame are respectively provided with screw holes for the bolts to be screwed.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses it has the PET membrane mainly to laminate through the one side at the decorative board, use through the cooperation of decorative board and PET membrane, make equipment display effect reach the definition that evenly shows with the increase display module assembly, inner wall at the second recess is provided with the leaded light glue film, handle the light of LED lamp through the leaded light glue, and the wafer of LED lamp is the matching setting with display device's wafer, the probability of bright or luminance not enough appears in the luminance that reduces the LED lamp, improve the display effect of display screen to a certain extent.

Drawings

Fig. 1 is a schematic diagram of the explosion structure of the present invention;

FIG. 2 is a schematic diagram of the circuit board structure of the present invention;

FIG. 3 is a schematic view of the cross-sectional structure of the light guide plate of the present invention;

fig. 4 is a schematic view of the light guide plate structure of the present invention.

In the figure: 1. a substrate; 2. a circuit board; 3. a wire; 4. an LED lamp; 5. a first groove; 6. positioning holes; 7. a light guide plate; 8. a visor; 9. a first glue layer; 10. a light guide adhesive layer; 11. a second groove; 12. a fixing frame; 13. a decorative plate; 14. a second adhesive layer; 15. a third groove; 16. a positioning column; 17. a PET film; 18. a screw hole; 19. a display module.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: an LED display screen comprises a base plate 1 and a square-shaped fixing frame 12, wherein the fixing frame 12 is fixed on one side of the base plate 1 through bolts, two positioning columns 16 are fixed on one side of the fixing frame 12, one side of the base plate 1 is provided with positioning holes 6 for the two positioning columns 16 to be inserted into, and four corners of the base plate 1 and the fixing frame 12 are respectively provided with screw holes 18 for the bolts to be screwed, through the arrangement of the positioning columns 16, the alignment precision of the fixing frame 12 and the base plate 1 during assembly can be improved, and the situation that accessories inside the base plate 1 are damaged due to offset and compression of the fixing frame 12 during assembly is avoided;

a first groove 5 is formed in one side of the substrate 1, a circuit board 2 is fixed inside the first groove 5 through bolts, an LED lamp 4 is welded on one side of the circuit board 2, a wafer of the LED lamp 4 is set to be a 3.0V wafer, the wafer of the LED lamp 4 is matched with the wafer of the display device, and when the wafer of the LED lamp 4 is selected, the brightness of the LED lamp 4 is matched with the current of the display device to achieve the optimal effect when the voltage is 3.0V;

the other side of the circuit board 2 is welded with the lead 3, one side of the first groove 5 is provided with a threading hole for the lead 3 to pass through, the inside of the fixing frame 12 is embedded with a decorative plate 13, one side of the decorative plate 13 is connected with the fixing frame 12 through a second glue layer 14 in an adhesive manner, one side of the decorative plate 13 is connected with a PET film 17 in an adhesive manner, the decorative plate 13 is set to be a PC2805 lens, the decorative plate 13 is in a semitransparent arrangement, the surface of one side of the decorative plate 13 is set to be a rough surface, the rough surface of the decorative plate 13 is connected with one side of the PET film 17 in an adhesive manner, a font with a specific thickness is selected through selection of the PET film, so that the display effect is uniform, the rough surface of the decorative plate 13 is subjected to sand blasting treatment on the outside of the lens, and during injection molding, the molding pressure is controlled, so that the decorative plate 13 is in a semitransparent state, and finally the light of the LED lamp 4 is in a scattering state;

the side edge of the decorative plate 13 is arranged in a T shape, the second adhesive layer 14 is positioned at the notches at the two ends of the decorative plate 13, a third groove 15 for embedding the decorative plate 13 is formed in one side of the fixing frame 12, the second adhesive layer 14 is adhered to the inner wall of the third groove 15, the decorative plate 13 is attached to the display module 19, and the display effect of the equipment is uniform and the display definition is improved through the matching of the decorative plate 13 and the PET film 17;

a light guide plate 7 is arranged between the decorative plate 13 and the circuit board 2, a light shielding plate 8 is attached to one side of the light guide plate 7, the light shielding plate 8 is connected with one side of the circuit board 2 in an adhesive mode through a first adhesive layer 9, and the light shielding plate 8 is used to avoid the phenomenon that the back surface of the substrate 1 is transparent; the first adhesive layer 9 and the light screen 8 are provided with through holes for the light-emitting surface ends of the LED lamps 4 to pass through, one side of the light guide plate 7 is provided with a second groove 11 for the light-emitting surface ends of the LED lamps 4 to enter, the inner wall of the second groove 11 is provided with a light guide adhesive layer 10, the other side of the light guide plate 7 is provided with a display module 19, the display module 19 is arranged as a liquid crystal display module, and the liquid crystal display module comprises a liquid crystal screen and a driving circuit and is used for displaying of display equipment;

the light guide glue layer 10 is made of AB light guide glue, the contents of glue A and glue B of the AB light guide glue are set to be the same, the light guide glue for packaging the LED lamp 4 is AB light guide glue, and the AB light guide glue is used for adjusting A, B two different light guide glues to be in an optimal state according to a mixing ratio of 1:1 through a certain proportion and is used for transmitting light of the LED lamp 4.

The working principle is as follows: when using, fixed frame 12 combines with base plate 1 through reference column 16, and through the bolt fastening, be provided with decorative board 13 in the fixed frame 12, one side laminating of decorative board 13 has PET membrane 17, decorative board 13's opposite side and the laminating of light guide plate 7, use through decorative board 13 and PET membrane 17's cooperation, make equipment display effect reach even and increase the definition that display module 19 shows, second recess 11 has been seted up on the light guide plate 7, the inner wall of second recess 11 is provided with leaded light glue film 10, leaded light through leaded light glue film 10 is glued and is handled the light of LED lamp 4, and the wafer of LED lamp 4 is the matching setting with display device's wafer, the probability of bright or luminance not enough appears in the luminance of reduction LED lamp, improve the display effect of display screen to a certain extent.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a LED display screen, includes fixed frame (12) of base plate (1) and mouth font, its characterized in that: the fixing frame (12) is fixed on one side of the base plate (1) through bolts, a first groove (5) is formed in one side of the base plate (1), a circuit board (2) is fixed inside the first groove (5) through bolts, an LED lamp (4) is welded on one side of the circuit board (2), a wire (3) is welded on the other side of the circuit board (2), a threading hole for the wire (3) to pass through is formed in one side of the first groove (5), a decorative plate (13) is embedded inside the fixing frame (12), one side of the decorative plate (13) is connected with the fixing frame (12) through a second glue layer (14), a PET film (17) is laminated on one side of the decorative plate (13), a light guide plate (7) is arranged between the decorative plate (13) and the circuit board (2), and a light shielding plate (8) is laminated on one side of the light guide plate (7), one side of light screen (8) through first glue film (9) and circuit board (2) splices, the through-hole that supplies LED lamp (4) to give out light the face end and pass is seted up in first glue film (9) and light screen (8), second recess (11) that supply LED lamp (4) to give out light the face end and get into are seted up to one side of light guide plate (7), the inner wall of second recess (11) is provided with leaded light glue film (10), the opposite side of light guide plate (7) is provided with display module assembly (19).

2. The LED display screen of claim 1, wherein: decorative board (13) set up to the PC2805 lens, just decorative board (13) are semitransparent setting, the side surface of decorative board (13) sets up to the mat surface, the mat surface of decorative board (13) and the laminating of one side of PET membrane (17).

3. The LED display screen of claim 2, wherein: the side of decorative board (13) is the setting of T shape, second glue film (14) are located the breach department at decorative board (13) both ends, just third recess (15) that supply decorative board (13) embedding are seted up to one side of fixed frame (12), second glue film (14) bond the inner wall at third recess (15).

4. The LED display screen of claim 1, wherein: the wafer of the LED lamp (4) is set to be a 3.0V wafer, and the wafer of the LED lamp (4) is matched with the wafer of the display device.

5. The LED display screen of claim 4, wherein: light guide glue layer (10) set up to AB light guide glue, the light guide glue of LED lamp (4) encapsulation usefulness is AB light guide glue.

6. The LED display screen of claim 1, wherein: one side of fixed frame (12) is fixed with two reference columns (16), confession two reference column (16) male locating hole (6) have been seted up to one side of base plate (1), just supply bolt spiro union to have screw (18) have been seted up respectively to four corners of base plate (1) and fixed frame (12).