CN217361052U

CN217361052U - LED display screen face guard and LED display screen

Info

Publication number: CN217361052U
Application number: CN202221286477.7U
Authority: CN
Inventors: 郭阳; 骆鑫; 涂生智
Original assignee: Shenzhen Infiled Electronics Co Ltd
Current assignee: Shenzhen Infiled Electronics Co Ltd
Priority date: 2022-05-25
Filing date: 2022-05-25
Publication date: 2022-09-02
Anticipated expiration: 2032-05-25

Abstract

The utility model discloses a LED display screen face guard and LED display screen, LED display screen face guard includes the face guard main part, be provided with a plurality of LED mounting holes that are used for installing LED lamp pearl and are regular spread in the face guard main part, each one of them relative both sides end of LED mounting hole is equipped with a plurality of intervals and is provided with protruding structure, each another relative both sides end of LED mounting hole is provided with the bar arch that extends to the other end from one end.

Description

LED display screen face guard and LED display screen

Technical Field

The utility model relates to a LED display screen technical field especially relates to a LED display screen face guard and LED display screen.

Background

LED display screen is generally applied to in advertising and daily life, the LED display screen of different areas is used according to the occasion of difference carries out the word propaganda, remind or warn, and the transmission light of current LED lamp pearl reflects through the dustcoat with specular reflection's mode, arrive the display surface with a mode after the multiple reflection, and specular reflection, can not prevent that LED lamp pearl light source is visible on the display surface, thereby form dark zone and bright area, the illumination degree of consistency of picture is poor, direct influence the result of use of display screen.

SUMMERY OF THE UTILITY MODEL

The utility model provides a LED display screen face guard and LED display screen can make the transmission light of LED lamp pearl shine protruding structure and produce the diffuse reflection, lets the whole even display of display screen, and the display effect can not change because of the change of light source position or observer angle.

According to the utility model discloses an in the first aspect, the utility model provides a LED display screen face guard, a serial communication port, including the face guard main part, be provided with a plurality of LED mounting holes that are used for installing LED lamp pearl and are regular spread in the face guard main part, each one of them relative both sides end of LED mounting hole is equipped with a plurality of intervals and is provided with protruding structure, each another relative both sides end of LED mounting hole is provided with the bar arch that extends to the other end from one end.

The utility model discloses an among the display screen face guard of embodiment, the top of protruding structure is equipped with first inclined plane and second inclined plane, first inclined plane and second inclined plane set up respectively the both sides of protruding structure, and one of them the first inclined plane of protruding structure rather than adjacent another the second inclined plane of protruding structure forms V font inclined plane, the contained angle on V font inclined plane is 50 ~ 70.

The utility model discloses an among the display screen face guard of embodiment, the cross-section of protruding structure is trapezoidal shape, the length on first inclined plane or second inclined plane is less than the length of the line of the most distal end on first inclined plane and second inclined plane.

The utility model discloses an among the display screen face guard of embodiment, protruding structure includes first protruding structure and sets up the protruding structure of second of first protruding structure lower extreme, the cross-section of first protruding structure is isosceles trapezoid, the cross-section of the protruding structure of second is the rectangle.

In an embodiment of the present invention, the width of the protruding structure at the top thereof is greater than or equal to two the maximum distance between the protruding structures.

The utility model relates to an embodiment's display screen face guard, the protruding orientation of bar one side of protruding structure has first vertical face and connects the first oblique terminal surface of first vertical face lower extreme, first oblique terminal surface with first inclined plane or second inclined plane are crossing, the protruding back of body of bar one side of protruding structure is equipped with the oblique terminal surface of second.

The utility model relates to an embodiment's display screen face guard, be equipped with fixing device on one side or the relative both sides of LED mounting hole for fix LED lamp pearl on the PCB board in the LED mounting hole.

The utility model discloses an among the display screen face guard of embodiment, fixing device is for setting up buckle on the LED mounting hole is protruding, the buckle is protruding to be connected the LED mounting hole is located one side of protruding structure and highly not higher than the bottom of protruding structure.

According to the utility model discloses a second aspect, the utility model also provides a LED display screen, the LED display screen includes PCB board and foretell LED display screen face guard, be equipped with a plurality of LED lamp pearls on the PCB board, LED lamp pearl is fixed the LED mounting hole.

The technical scheme provided by the embodiment of the application can have the following beneficial effects: the application designs a LED display screen face guard and LED display screen, including the face guard main part, be provided with a plurality of LED mounting holes that are used for installing LED lamp pearl and are regular spread in the face guard main part, one of them relative both sides end of each LED mounting hole is equipped with a plurality of intervals and is provided with protruding structure, another relative both sides end of each LED mounting hole is provided with the bar arch that extends to the other end from one end, the transmission light that makes LED lamp pearl shines protruding structure and produces diffuse reflection, let the whole even demonstration of display screen, and the display effect can not change because of the change of light source position or observer angle, in addition, the bar arch can block LED lamp pearl and PCB welded lamp base, the observer watches in the side promptly and can not have obvious bright spot to show, for example, the lamp base has simple structure, characteristics such as preparation simple to operate and the illumination degree of consistency is good.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without any creative effort.

Fig. 1 is a schematic structural diagram of a mask for an LED display screen according to an embodiment of the present disclosure;

FIG. 2 is an enlarged schematic view of FIG. 2 at A;

FIG. 3 is a schematic cross-sectional view of the LED display screen mask of FIG. 1;

FIG. 4 is a schematic cross-sectional view of the LED display screen mask of FIG. 1 at another angle;

fig. 5 is a schematic view of the light re-LED display mask propagation of fig. 1.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all embodiments of the present invention. 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.

It is also to be understood that the terminology used in the description of the invention herein is for the purpose of describing particular embodiments only, and it is to be understood that the terms "central," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for the purpose of convenience and simplicity of description only, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first" and "second" may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

Some embodiments of the present application will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.

As shown in fig. 1 to 5, according to a first aspect of the present application, the present application provides a LED display screen mask, which includes a mask main body 100, the mask main body 100 is provided with a plurality of regularly arranged LED mounting holes 10 for mounting LED lamp beads, one of the opposite two side ends of each LED mounting hole 10 is provided with a plurality of protruding structures 20 at intervals, the other opposite two side ends of each LED mounting hole 10 is provided with strip-shaped protrusions 30 extending from one end to the other end, so that the emitted light of the LED lamp beads irradiates the protruding structures 20 to generate diffuse reflection, and the display screen displays uniformly as a whole, the display effect can not be changed due to the change of the light source position or the angle of an observer, the strip-shaped bulge 30 can block the lamp feet welded between the LED lamp beads and the PCB, the observer can not have obvious bright spot display when watching on the side, for example, the lamp base, and the lamp base has the characteristics of simple structure, convenient manufacture and installation, good illumination uniformity and the like.

Illustratively, the mask body 100 comprises a substrate structure, a protrusion structure 20 and a strip-shaped protrusion 30, which are disposed on the front surface of the substrate structure, a PCB board for fixing the LED lamp beads is fixed on the back surface of the substrate structure, and the LED lamp beads are fixed on the LED mounting holes 10. Wherein, the base plate structure can be equipped with the barrier layer in the one side with the laminating of PCB board for prevent that light from shooting out from the one end of base plate structure orientation PCB board. In this embodiment, protruding structure 20 interval sets up in order constituting diffuse reflection layer for the light that upwards jets out through the substrate structure can be at random emission after protruding structure 20, becomes the light that the area source sent, avoids light to concentrate, makes light even when showing, thereby makes display luminance even, and simultaneously, protruding structure 20's setting also can be for setting up at random, further guarantees the diffuse emission of light, guarantees the even of light.

In an optional embodiment, the surface of the protruding structure 20 may be provided with dots arranged in an array, the dots may include concave dots and/or convex dots, that is, when the dots are set, the dots may be set as concave dots, so that the dots are concave hemispheres, so that light is diffusely reflected when passing through the dots, or the dots are set as convex hemispheres, when the shapes of the dots are set, the convex dots are formed by printing, the concave dots are formed by laser, considering that the laser mode may damage the structure of the protruding structure 20, the dots may be formed by printing, and the dots are convex dots.

The mask body 100 is made of one of polymethyl methacrylate, polystyrene, polycarbonate, and polyethylene, and generally, a material having a good light transmittance is selected as the material of the mask body 100.

In an alternative embodiment, the top of the protruding structures 20 is provided with a first inclined surface 21 and a second inclined surface 22, wherein the first inclined surface 21 and the second inclined surface 22 are respectively disposed on two sides of the protruding structures 20, and the first inclined surface 21 of one protruding structure 20 and the second inclined surface 22 of another protruding structure 20 adjacent thereto form a V-shaped inclined surface, and the included angle α of the V-shaped inclined surface is 50 ° to 70 °. In the present embodiment, the angle α of the V-shaped slope is 64 °.

In an alternative embodiment, the cross section of the protrusion structure 20 is trapezoidal, wherein the length of the first slope 21 or the second slope 22 is smaller than the length of the line connecting the farthest ends of the first slope 21 and the second slope 22.

In an alternative embodiment, the protrusion structure 20 includes a first protrusion structure and a second protrusion structure disposed at a lower end of the first protrusion structure, wherein the first protrusion structure has a trapezoidal cross-section and the second protrusion structure has a rectangular cross-section.

In an alternative embodiment, the width of the raised structures 20 at their top is greater than or equal to the maximum separation distance between two raised structures 20.

In an alternative embodiment, the side of the bar-shaped protrusion 30 facing the protrusion structure 20 has a first vertical surface and a first inclined end surface connected to a lower end of the first vertical surface, wherein the first inclined end surface intersects with the first inclined surface or the second inclined surface. In addition, a second inclined end surface is arranged on one side of the strip-shaped protrusion 30, which is back to the protrusion structure 20.

In an alternative embodiment, the LED mounting hole 10 is provided with a fixing device 40 on one side or two opposite sides, and the fixing device 40 is used for fixing the LED lamp bead on the PCB board in the LED mounting hole 10.

The fixing device 40 is a snap protrusion disposed on the LED mounting hole 10, wherein the snap protrusion is connected to a bottom end of the LED mounting hole 10 at a side of the protrusion structure 20 and is not higher than the bottom end of the protrusion structure 20.

After the technical scheme is adopted, the vertical strip-shaped bulges 30 are arranged on the left side and the right side of the LED mounting hole 10 of the LED display screen mask, and the bulge structures 20 arranged at intervals are arranged on the upper side and the lower side of the LED mounting hole 10. Therefore, the LED display screen mask can be prevented from generating reflection similar to a mirror surface when light irradiates the front surface of the LED display screen mask due to smooth surface or single shape, when the LED display screen mask is applied to an LED display screen, the display of the LED display screen is easy to be consistent, and the visual angles of a plurality of observers or the factors of a light source can have different display effects. The surface has an irregular shape of protrusions and depressions, such as a convex structure 20, which is a type of reflection that is diffuse reflection. Wherein, diffuse reflection and mirror surface radiation contrast, diffuse reflection let the whole even demonstration of display screen, and display effect can not change because of the change of light source position or observer angle.

In addition, the left and right sides of LED mounting hole 10 sets up to bar arch 30, can block LED lamp pearl and PCB welded lamp base, and the observer looks from the side promptly can not have obvious bright spot to show, for example the lamp base.

As shown in fig. 1 to 5, according to a first aspect of the present application, the present application provides an LED display screen, where the LED display screen includes a PCB board and the LED display screen mask 100, where the PCB board is provided with a plurality of LED beads, and the LED beads are fixed on the LED mounting holes 10.

Exemplarily, the LED display screen mask 100 includes a mask body 100, a plurality of LED mounting holes 10 for mounting LED lamp beads and arranged regularly are provided on the mask body 100, one of the two opposite side ends of each LED mounting hole 10 is provided with a plurality of protruding structures 20 arranged at intervals, another two opposite side ends of each LED mounting hole 10 are provided with bar-shaped protrusions 30 extending from one end to the other end, so that the emitted light of the LED lamp beads irradiates the protruding structures 20 to generate diffuse reflection, so that the display screen displays uniformly, and the display effect cannot be changed due to the change of the light source position or the angle of an observer, and the bar-shaped protrusions 30 can block the lamp feet welded with the PCB, i.e. the observer cannot watch an obvious bright spot display at the side, such as the lamp feet, which has the characteristics of simple structure, convenient manufacturing and installation, good illumination uniformity, and the like.

Illustratively, the mask body 100 comprises a substrate structure, a protrusion structure 20 and a strip-shaped protrusion 30, which are disposed on the front surface of the substrate structure, a PCB board for fixing the LED lamp beads is fixed on the back surface of the substrate structure, and the LED lamp beads are fixed on the LED mounting holes 10. Wherein, the base plate structure can be equipped with the barrier layer in the one side with the laminating of PCB board for prevent that light from the one end of base plate structure orientation PCB board from spouting. In this embodiment, protruding structure 20 interval sets up in order to constitute the diffuse reflection layer for the light that upwards jets out through the substrate structure can be in through the random transmission after protruding structure 20, becomes the light that the area source sent, avoids light to concentrate, makes light even when showing, thereby makes display brightness even, and simultaneously, protruding structure 20's setting also can be for setting up at random, further guarantees the diffuse transmission of light, guarantees the even of light.

In an alternative embodiment, the top of the protruding structures 20 is provided with a first inclined surface 21 and a second inclined surface 22, wherein the first inclined surface 21 and the second inclined surface 22 are respectively disposed at two sides of the protruding structures 20, and the first inclined surface 21 of one protruding structure 20 and the second inclined surface 22 of another protruding structure 20 adjacent to the first inclined surface form a V-shaped inclined surface, and the included angle α of the V-shaped inclined surface is 50 ° to 70 °. In the present embodiment, the angle α of the V-shaped slope is 64 °.

In an alternative embodiment, the cross section of the protrusion structure 20 is an isosceles trapezoid, wherein the length of the first inclined surface 21 or the second inclined surface 22 is less than the length of the connection line between the farthest ends of the first inclined surface 21 and the second inclined surface 22.

In an alternative embodiment, the protrusion structures 20 include a first protrusion structure and a second protrusion structure disposed at a lower end of the first protrusion structure, wherein a cross section of the first protrusion structure is an isosceles trapezoid, and a cross section of the second protrusion structure is a rectangle.

In an alternative embodiment, the side of the bar-shaped protrusion 30 facing the protrusion structure 20 has a first vertical surface and a first inclined end surface connected to a lower end of the first vertical surface, wherein the first inclined end surface intersects with the first inclined surface or the second inclined surface. In addition, a second inclined end surface is provided on a side of the strip-shaped protrusion 30 opposite to the protrusion structure 20.

After the technical scheme is adopted, the vertical strip-shaped bulges 30 are arranged on the left side and the right side of the LED mounting hole 10 of the LED display screen mask, and the bulge structures 20 arranged at intervals are arranged on the upper side and the lower side of the LED mounting hole 10. Therefore, the LED display screen mask can be prevented from generating reflection similar to a mirror surface when light irradiates the front surface of the LED display screen mask due to smooth surface or single shape, when the LED display screen mask is applied to an LED display screen, the display of the LED display screen is easy to be consistent, and the visual angles of a plurality of observers or the factors of a light source can have different display effects. The surface has an irregular shape of protrusions and depressions, such as a convex structure 20, which is a type of reflection that is diffuse reflection. Wherein, diffuse reflection and mirror surface radiation contrast, diffuse reflection let the whole even demonstration of display screen, and the display effect can not change because of the change of light source position or observer angle.

In the description of the present application, it is to be noted that the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected unless otherwise explicitly stated or limited. Either mechanically or electrically. Either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. 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.

The above disclosure provides many different embodiments or examples for implementing different structures of the application. The components and arrangements of specific examples are described above to simplify the present disclosure. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, examples of various specific processes and materials are provided herein, but one of ordinary skill in the art may recognize the application of other processes and/or the use of other materials.

In the description herein, references to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like 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 present application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Claims

1. The utility model provides a LED display screen face guard, its characterized in that, includes the face guard main part, be provided with a plurality of LED mounting holes that are used for installing LED lamp pearl and are regular spread in the face guard main part, each one of them relative both sides end of LED mounting hole is equipped with a plurality of intervals and is provided with protruding structure, each another relative both sides end of LED mounting hole is provided with the bar arch that extends to the other end from one end.

2. The display screen mask according to claim 1, wherein the top of the protrusion structures is provided with a first inclined surface and a second inclined surface, the first inclined surface and the second inclined surface are respectively arranged at two sides of the protrusion structures, and the first inclined surface of one protrusion structure and the second inclined surface of another adjacent protrusion structure form a V-shaped inclined surface, and the included angle of the V-shaped inclined surfaces is 50-70 °.

3. A display screen mask according to claim 2, wherein the cross-section of the raised structure is trapezoidal, and the length of the first or second ramp is less than the length of the line connecting the furthest ends of the first and second ramps.

4. A display screen mask according to claim 2, wherein the projection structures include a first projection structure and a second projection structure provided at a lower end of the first projection structure, the first projection structure has an isosceles trapezoid cross section, and the second projection structure has a rectangular cross section.

5. A display screen mask according to claim 2, wherein the width of the raised structures at their top is greater than or equal to the maximum separation distance between two raised structures.

6. A display screen mask according to claim 2, wherein one side of the bar-shaped protrusion facing the protrusion structure has a first vertical surface and a first inclined end surface connected to a lower end of the first vertical surface, the first inclined end surface intersects with the first inclined surface or the second inclined surface, and one side of the bar-shaped protrusion facing away from the protrusion structure has a second inclined end surface.

7. The display screen mask as recited in claim 1, wherein one side or two opposite sides of the LED mounting hole are provided with fixing means for fixing the LED lamp beads on the PCB board in the LED mounting hole.

8. The display mask of claim 7, wherein the fixing means is a snap projection provided on the LED mounting hole, and the snap projection is connected to a side of the LED mounting hole on the raised structure and has a height not higher than a bottom end of the raised structure.

9. An LED display screen, characterized in that, LED display screen includes PCB board and the LED display screen face guard of any of claims 1-8, be equipped with a plurality of LED lamp pearls on the PCB board, LED lamp pearl is fixed in the LED mounting hole.