CN215298724U

CN215298724U - Curved surface LED display screen encapsulation module

Info

Publication number: CN215298724U
Application number: CN202121211409.XU
Authority: CN
Inventors: 杨洪奎
Original assignee: Jiangsu Mini Photoelectric Co ltd
Current assignee: Jiangsu Mini Photoelectric Co ltd
Priority date: 2021-06-01
Filing date: 2021-06-01
Publication date: 2021-12-24
Anticipated expiration: 2031-06-01

Abstract

The application discloses a curved surface LED display screen packaging module which comprises a shell, a heat dissipation mechanism and a fixing mechanism; the heat dissipation mechanism comprises air vents, the air vents are uniformly distributed on the bottom wall of the shell, equal fixedly connected with fixed blocks and two heat conduction columns are fixedly connected to two ends of the bottom of the heat absorption plate respectively and fixedly connected with LEDs on the heat absorption plate, a protective cover is fixedly connected to the heat absorption plate and sleeved outside the LEDs, and the heat absorption plate is located at one end of a reflector fixedly connected to two sides of the LEDs. This application is luminous through LED, and light is on the reflector panel reflection of both sides to the liquid crystal board, when LED work produced the heat, adsorbs the heat through the absorber plate, transmits the heat to vent department through the heat conduction post afterwards, and inside circulation of air is accelerated in heat dissipation fan work, carries out the heat dissipation to the heat and handles, improves the life of display screen.

Description

Curved surface LED display screen encapsulation module

Technical Field

The application relates to the field of display screens, in particular to a curved surface LED display screen packaging module.

Background

The LED display screen is a flat panel display, it is made up of LED module panel of one by one, the apparatus used for displaying various information such as characters, picture, video, etc., the LED electronic display screen collects microelectronic technology, computer technology, information processing in an organic whole, have bright in color, the dynamic range is wide, the luminance is high, longe-lived, advantages such as the job stabilization is reliable, the LED display screen is applied to the commercial media extensively, the cultural performance market, stadium, information transmission, news issue, stock exchange, etc., can meet the needs of different environments.

The curved surface LED display screen encapsulation module is in the use, because the long-time work of display screen, inside can produce a large amount of heats, and the heat-sinking capability of the encapsulation module of current curved surface LED display screen is relatively poor, and the long-term high temperature operation of inside influences the life of display screen easily. Therefore, a curved surface LED display screen packaging module is provided aiming at the problems.

Disclosure of Invention

The curved surface LED display screen packaging module is used for solving the problem that the heat dissipation capacity inside the curved surface LED display screen packaging module in the prior art is poor.

According to one aspect of the application, a curved surface LED display screen packaging module is provided, which comprises a shell, a heat dissipation mechanism and a fixing mechanism;

the heat dissipation mechanism comprises vent holes, the vent holes are uniformly distributed on the bottom wall of the shell, equal fixedly connected with fixed blocks and two are arranged on the two side walls in the vent holes, equal fixedly connected with heat conduction columns and two are arranged on the fixed blocks, the heat conduction columns are respectively and fixedly connected to the two ends of the bottom of the heat absorption plate, LEDs are fixedly connected to the heat absorption plate, a protective cover is fixedly connected to the heat absorption plate, the protective cover is sleeved outside the LEDs, the heat absorption plate is located at one end of a reflector plate and two are arranged on the two sides of the LEDs, and the other end of the reflector plate is fixedly connected to the protective cover.

Furthermore, the top of the shell is lapped with an outer cover, two grooves are fixedly arranged at two ends of the outer cover, four fixing bolts penetrate through the grooves in a threaded mode, and the other ends of the four fixing bolts are connected to the side wall of the shell in a threaded mode.

Furthermore, a polarizing plate is fixedly sleeved below the outer cover in the shell, a glass plate is fixedly sleeved below the polarizing plate in the shell, and a liquid crystal plate is fixedly sleeved below the glass plate in the shell.

Further, fixed establishment includes fixed case, fixed case overlap joint is in the casing bottom, fixed bottom of the case portion is fixed and is equipped with a plurality of air vents, two heat dissipation fans of fixed incasement fixedly connected with.

Further, the casing bottom is located the equal fixedly connected with fixed plate in fixed case both ends, two equal slip on the fixed plate has been run through peg graft pole one end, two the peg graft pole other end all slides and runs through the fixed case lateral wall and extend to inside, two the equal fixedly connected with slide bar of the peg graft pole other end, two the slide bar bottom runs through the fixed bottom of the case wall and extends to the outside, the fixed case diapire is located two slide bar departments and all fixedly is equipped with the fluting.

Furthermore, the part of the insertion rod, which is positioned in the fixed box, is sleeved with a spring, and two ends of the spring are respectively and fixedly connected to the side wall of the fixed box and the sliding rod.

Through the above-mentioned embodiment of this application, adopted heat dissipation mechanism, solved the inside poor problem of heat dissipation capacity of curved surface LED display screen encapsulation module, improved the life of curved surface LED display screen.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic overall perspective view of an embodiment of the present application;

FIG. 2 is a schematic diagram of the overall internal structure of an embodiment of the present application;

fig. 3 is a schematic diagram of a partial enlarged structure at a in fig. 2 according to an embodiment of the present application.

In the figure: 1. the LED lamp comprises a shell, 2, a fixing box, 3, a heat dissipation fan, 4, a ventilation hole, 5, a fixing block, 6, a heat conduction column, 7, a heat absorption plate, 8, a reflector, 9, an LED, 10, a protective cover, 11, a liquid crystal panel, 12, a glass plate, 13, a polarizing plate, 14, an outer cover, 15, a fixing bolt, 16, an inserting rod, 17, a fixing plate, 18, a groove, 19, a sliding rod, 20 and a spring.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but 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 application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

The encapsulation module in this embodiment can be applicable to various display screens, for example, provides following LED display screen in this embodiment, and the encapsulation module in this embodiment can be used for following LED display screen.

The LED display screen comprises a plastic shell and a PCB assembly, wherein the upper surface and the lower surface of a shell of the plastic shell are respectively provided with a radian with a preset numerical value in the direction of one side of the upper surface, and the size of the radian is equal to the size of the radian of the upper surface and the lower surface of the shell bent in the direction of one side of the lower surface after the plastic shell passes through a packaging and curing link; this PCB subassembly includes the PCB board, contact pin and at least one LED subassembly, this PCB subassembly nestification is in this plastic shell that the embedment has the encapsulant, the plastic shell of LED display screen is set up to the radian of the upper surface one side of bending in the direction through encapsulation solidification link before, the plastic shell of LED display screen is through the encapsulation solidification link to the radian of the lower surface one side of bending in the direction of back, then the plastic shell of LED display screen is through encapsulation solidification link after, upper surface and lower surface are the straight flange structure, make off-the-shelf disability rate reduce.

The plastic shell is provided with at least one reflection cavity, the shape of the upper cavity opening of each reflection cavity on the upper surface of the plastic shell body corresponds to a pattern or a character respectively, after the PCB assembly is electrified through the pin pins, light emitted by the LED assembly on the PCB can pass through the reflection cavity, and therefore the pattern or the character of the upper cavity opening of the reflection cavity on the upper surface of the plastic shell body can emit light; the reflecting cavity is funnel-shaped or trapezoid-shaped, and the size of the upper cavity opening of the reflecting cavity is larger than that of the lower cavity opening, so that light emitted by the LED assembly in the PCB assembly can be effectively collected through the reflecting cavity, the brightness of characters or patterns on the LED display screen is enhanced, and the luminous efficiency of the LED assembly in the LED display is improved; the encapsulant is epoxy glue, the epoxy glue can hold LED light to effectively diffuse, certain brightness is increased, and the PCB assembly can be completely wrapped and fixed, so that the LED assembly is not easy to damage; the pin pins are arranged on the bottom surface of the PCB, the at least one LED assembly is arranged on the upper surface of the PCB, and each LED assembly at least corresponds to one reflecting cavity in the plastic shell; the bottom of the plastic shell is provided with at least one PCB assembly positioning column, the PCB is provided with at least one PCB assembly positioning hole, and the PCB assembly positioning column on the plastic shell corresponds to the positioning hole on the PCB; before the LED display screen is packaged and cured, the relative positions of the PCB assembly and the plastic shell cannot be changed in a mode of using PCB assembly positioning holes and PCB assembly positioning columns, so that the defective rate of the LED display screen is reduced, and the number of the PCB assembly positioning columns is equal to that of the PCB assembly positioning holes arranged on the PCB; in some special cases, the number of the PCB assembly positioning columns can be smaller than that of the PCB assembly positioning holes formed in the PCB board, in this embodiment, the LED display screen further includes a membrane, and the membrane is bonded to the upper surface of the plastic housing through an adhesive; the film is provided with patterns corresponding to the patterns or characters of the upper cavity opening of each reflection cavity; the patterns on the diaphragm are transparent or semitransparent, the adhesive can be transparent or semitransparent glue, the patterns or characters on the diaphragm correspond to the patterns or characters on the upper cavity opening of each reflection cavity, and light emitted by the LED assembly can also pass through the diaphragm after passing through the reflection cavities, so that preset patterns or characters are displayed on the LED display screen.

Of course, the present embodiment can also be used for LED display screens with other structures. Here, details are not repeated, and the package module according to the embodiment of the present application is described below.

Referring to fig. 1-3, a curved LED display screen package module includes a housing 1, a heat dissipation mechanism and a fixing mechanism;

the heat dissipation mechanism includes ventilation hole 4, ventilation hole 4 evenly distributed is on 1 diapire of casing, equal fixedly connected with fixed block 5, two on the 4 interior both sides wall in ventilation hole equal fixedly connected with heat conduction post 6, two on the fixed block 5 heat conduction post 6 difference fixed connection is at the 7 bottom both ends of absorber plate, fixedly connected with LED9 on the absorber plate 7, fixedly connected with protection casing 10 on the absorber plate 7, protection casing 10 cup joints in the LED9 outside, absorber plate 7 is located the equal fixedly connected with reflector panel 8 one end in LED9 both sides, two the equal fixed connection of the 8 other ends of reflector panel is on protection casing 10, is convenient for adsorb the produced heat of LED9 during operation through absorber plate 7 and heat conduction post 6.

An outer cover 14 is lapped on the top of the shell 1, two grooves are fixedly arranged at two ends of the outer cover 14, fixing bolts 15 penetrate through the four grooves in a threaded manner, and the other ends of the four fixing bolts 15 are connected to the side wall of the shell 1 in a threaded manner, so that the outer cover 14 can be fixed and detached conveniently; a polarizer 13 is fixedly sleeved below the outer cover 14 in the shell 1, a glass plate 12 is fixedly sleeved below the polarizer 13 in the shell 1, and a liquid crystal plate 11 is fixedly sleeved below the glass plate 12 in the shell 1; the fixing mechanism comprises a fixing box 2, the fixing box 2 is lapped at the bottom of the shell 1, a plurality of vent holes are fixedly formed in the bottom of the fixing box 2, and two heat dissipation fans 3 are fixedly connected in the fixing box 2, so that the circulation of air in the fixing box is accelerated; the bottom of the shell 1 is fixedly connected with fixed plates 17 at two ends of a fixed box 2, two fixed plates 17 are provided with insertion rods 16 in a sliding penetrating mode, the other ends of the two insertion rods 16 extend into the fixed box 2 in a sliding penetrating mode, the other ends of the two insertion rods 16 are fixedly connected with sliding rods 19, the bottom ends of the two sliding rods 19 extend to the outside in a penetrating mode through the bottom wall of the fixed box 2, and the bottom wall of the fixed box 2 is fixedly provided with grooves 18 at the two sliding rods 19, so that the fixed box 2 can be fixed and detached conveniently; the part of the inserting rod 16, which is positioned in the fixed box 2, is sleeved with a spring 20, and two ends of the spring 20 are respectively and fixedly connected to the side wall of the fixed box 2 and the sliding rod 19, so that the inserting rod 16 is conveniently pushed to move by the elasticity of the spring 20.

The utility model discloses when using, the electrical components that appear in this application all external intercommunication power and control switch when using, at first give off light through LED9, light reflects on liquid crystal panel 11 at the reflector panel 8 of both sides, when LED9 work produces the heat, adsorb the heat through absorber plate 7, transmit the heat to ventilation hole 4 department through heat conduction post 6 afterwards, the inside circulation of air is accelerated in 3 work of heat dissipation fan, carry out the heat dissipation processing to the heat, improve the life of display screen, through two slide bars 19 to middle pulling, slide bar 19 slides on fluting 18, 19 motion of slide bar drives two peg graft bars 16 and extends to middle motion spring 20, make peg bar 16 and fixed plate 17 separate, thereby take off fixed box 2, can clear up the inside dust, prevent to influence the radiating effect.

The application has the advantages that:

1. the LED light source device has the advantages that the LED emits light, the light is reflected to the liquid crystal panel through the light reflecting plates on the two sides, when the LED works to generate heat, the heat is absorbed through the heat absorbing plate, then the heat is transmitted to the ventilating hole through the heat conducting column, the heat dissipation fan works to accelerate internal air circulation, the heat is dissipated, and the service life of the display screen is prolonged;

2. this application is through to two slide bars of middle pulling, and the slide bar slides on the fluting, and the slide bar motion drives two peg graft poles and extends to middle motion spring for peg graft pole and fixed plate separation, thereby take off the fixed box, can clear up the inside dust, prevent to influence the radiating effect.

The heat radiation fan 3 adopts a heat radiation fan with the model number HY45T-05A and a related matched power supply and circuit thereof.

It is well within the skill of those in the art to implement, without undue experimentation, the present application is not directed to software and process improvements, as they relate to circuits and electronic components and modules.

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

Claims

1. The utility model provides a curved surface LED display screen encapsulation module which characterized in that: comprises a shell (1), a heat dissipation mechanism and a fixing mechanism;

the heat dissipation mechanism comprises vent holes (4), the vent holes (4) are uniformly distributed on the bottom wall of the shell (1), two fixing blocks (5) and two heat conduction columns (6) are fixedly connected to the two inner side walls of the vent holes (4) respectively and fixedly connected to the two ends of the bottom of the heat absorption plate (7), LEDs (9) are fixedly connected to the heat absorption plate (7), a protection cover (10) is fixedly connected to the heat absorption plate (7), the protection cover (10) is sleeved outside the LEDs (9), the heat absorption plate (7) is located at one end of a reflector (8) and two ends of the reflector (8) are fixedly connected to the two sides of the LED (9).

2. The curved surface LED display screen packaging module set of claim 1, wherein: casing (1) top overlap joint has dustcoat (14), dustcoat (14) both ends are all fixed and are equipped with two recesses, four equal screw thread runs through in the recess has fixing bolt (15), four the equal threaded connection of fixing bolt (15) other end is on casing (1) lateral wall.

3. The curved surface LED display screen packaging module set of claim 1, wherein: the shell is characterized in that a polarizing plate (13) is fixedly sleeved below an outer cover (14) in the shell (1), a glass plate (12) is fixedly sleeved below the polarizing plate (13) in the shell (1), and a liquid crystal plate (11) is fixedly sleeved below the glass plate (12) in the shell (1).

4. The curved surface LED display screen packaging module set of claim 1, wherein: the fixing mechanism comprises a fixing box (2), the fixing box (2) is in lap joint with the bottom of the shell (1), a plurality of air holes are fixedly formed in the bottom of the fixing box (2), and two heat dissipation fans (3) are fixedly connected in the fixing box (2).

5. The curved surface LED display screen packaging module set of claim 1, wherein: casing (1) bottom is located the equal fixedly connected with fixed plate (17) in fixed box (2) both ends, two equal slip on fixed plate (17) has been run through peg graft pole (16) one end, two peg graft pole (16) other end all slides and runs through fixed box (2) lateral wall and extend to inside, two the equal fixedly connected with slide bar (19) of peg graft pole (16) other end, two slide bar (19) bottom is run through fixed box (2) diapire and is extended to the outside, fixed box (2) diapire is located two slide bar (19) departments and all fixedly is equipped with fluting (18).

6. The curved surface LED display screen packaging module set of claim 5, wherein: the part of the insertion rod (16) located in the fixed box (2) is sleeved with a spring (20), and two ends of the spring (20) are respectively and fixedly connected to the side wall of the fixed box (2) and the sliding rod (19).