CN211455162U

CN211455162U - Protective cover of LED display screen and LED display screen

Info

Publication number: CN211455162U
Application number: CN201922444066.0U
Authority: CN
Inventors: 成卓; 罗会杰; 谭志芳; 余为学
Original assignee: Shenzhen Create Led Electronics Co ltd
Current assignee: Shenzhen Create Led Electronics Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-09-08
Anticipated expiration: 2029-12-30

Abstract

The utility model discloses a protection casing and LED display screen of LED display screen. A protective cover of an LED display screen comprises an installation part and a shading part, wherein the installation part is used for being fixed on the LED display screen; the shading part is located the upside of LED lamp pearl, and the shading part extends towards the LED display screen outside to block LED lamp pearl light up. The utility model discloses the protection casing sets up in the LED lamp pearl outside of LED screen, and the shading portion jets out LED lamp pearl up and down light orientation for the LED screen reduces light pollution under the condition that does not influence luminous effect. The utility model is suitable for an airport environment and all ring edge borders neither can influence pilot's vision, can not influence luminous effect.

Description

Protective cover of LED display screen and LED display screen

Technical Field

The utility model relates to a LED display screen technical field, the more specifically protection casing and LED display screen of LED display screen that says so.

Background

The LED display screen emits light through the LED light emitting array, and is widely applied to airports, markets, museums and banks because of the advantages of high brightness, high definition, small power consumption, large size, long service life, impact resistance, stable and dynamic performance, large display area, shocking display effect and the like. In order to protect the exposed LED lamp beads and improve the contrast of a display screen, a protective cover is usually arranged on the lamp beads. The cover material is usually a polymer material such as PC (polycarbonate) and is injection molded.

The advertisement screens at airports and the periphery have large area generally, and the effect is shocked, thereby being very attractive. However, because the brightness is very high and the requirement of the airport for light is high, the high-brightness LED screen can cause visual interference when the pilot lands on the airplane to operate. Therefore, there is a need to consider an LED display that does not affect the pilot's vision, nor the lighting effect.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide a protection casing and LED display screen of LED display screen.

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

a protective cover of an LED display screen comprises an installation part and a shading part, wherein the installation part is used for being fixed on the LED display screen; the shading part is located the upside of LED lamp pearl, and the shading part extends towards the LED display screen outside to block LED lamp pearl light up.

The further technical scheme is as follows: the light shielding part is arranged obliquely downwards.

The further technical scheme is as follows: a connecting line of the lower edge of the shading part and the lower edge of the LED lamp bead and a normal line of the central point of the LED lamp bead form an upward viewing included angle; the upward view included angle is less than or equal to 15 degrees; preferably, the included angle of upward view is less than or equal to 5 °.

The further technical scheme is as follows: the upper edge of the LED lamp bead is connected with the upper edge of the shading part of another adjacent LED lamp bead at the nearest point below the LED lamp bead, and a downward viewing included angle is formed between the connecting line and the normal of the central point of the LED lamp bead; the downward view included angle is greater than or equal to 15 degrees; preferably, the downward viewing angle is greater than or equal to 45 °; it is further preferred that the downward angle be greater than or equal to 49.4 °.

The further technical scheme is as follows: the light shielding portion is inclined downward at an inclination angle of less than 90 deg.

The further technical scheme is as follows: the mounting part is provided with a through hole for accommodating the LED lamp bead; the shading part is arranged at the upper edge of the through hole.

The further technical scheme is as follows: the cross section of the shading part is in any one of a plane shape, an arc shape, a U shape, a semicircular shape or a V shape.

An LED display screen with a protective cover comprises a display screen body and the protective cover; the protection casing is arranged on one side of the light-emitting direction of the display screen body, and the shading parts of the protection casing are arranged on the upper sides of the corresponding LED lamp beads.

The further technical scheme is as follows: the display screen body is provided with a plurality of LED lamp beads; protective covers are arranged on the upper sides of the LED lamp beads; a plurality of the installation part of the protective cover is integrally formed.

The further technical scheme is as follows: the display screen comprises a display screen body and is characterized by also comprising a mounting frame for fixing the display screen body; the mounting frame is provided with a mounting surface for fixing the display screen body; the mounting surface is arranged obliquely downwards so that the display screen body forms an inclination angle smaller than 90 degrees with the vertical direction.

Compared with the prior art, the utility model beneficial effect be: the utility model discloses the protection casing sets up in the LED lamp pearl outside of LED screen, and the shading portion jets out LED lamp pearl up and down light orientation for the LED screen reduces light pollution under the condition that does not influence luminous effect. The utility model is suitable for an airport environment and all ring edge borders neither can influence pilot's vision, can not influence luminous effect.

The foregoing is a summary of the present invention, and other objects, features and advantages of the present invention will be apparent from the following detailed description of the preferred embodiments, which is provided for the purpose of illustration and understanding of the present invention.

Drawings

Fig. 1 is a front view of an LED display screen with a protective cover according to the present invention;

fig. 2 is a bottom view of an LED display screen with a protective cover according to the present invention;

fig. 3 is a top view of an LED display screen with a protective cover according to the present invention;

fig. 4 is a side view of an LED display screen with a protective cover according to the present invention;

fig. 5 is a three-dimensional structure diagram of an LED display screen with a protective cover according to the present invention;

FIG. 6 is a cross-sectional view taken at A-A of FIG. 1;

FIG. 7 is an enlarged view of FIG. 6 at B;

FIG. 8 is an enlarged view at C of FIG. 5;

fig. 9 is an installation view of the LED display screen with the protective cover of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and the detailed description.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

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, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be connected or detachably connected or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

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

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., 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 invention. In this specification, the schematic representations of the terms used above should not be understood to 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. Furthermore, various embodiments or examples described in this specification can be combined and combined by one skilled in the art.

Drawings 1 to 9 are drawings of the utility model.

The present embodiment provides a protective cover 10 for an LED display panel, please refer to fig. 1 to 8, which includes a mounting portion 11 for fixing to the LED display panel, and a shading portion 12. Shading portion 12 is located the upside of LED lamp pearl 21, and shading portion 12 extends towards the LED display screen outside to stop LED lamp pearl 21 light upwards. The shading part 12 is larger than the LED lamp beads 21 and covers the upper side of the light emitting direction of the LED lamp beads 21, so that the upward light of the LED lamp beads 21 is shaded.

The light-shielding portion 12 is disposed to be inclined downward, so that upward light is shielded and downward light is not shielded as much as possible.

The line between the lower edge of the light shielding part 12 and the lower edge of the LED lamp bead 21 and the normal of the central point of the LED lamp bead 21 form an upward viewing angle a. Preferably, the included angle a is less than or equal to 15 °.

More preferably, the upward view included angle is 5 degrees, and when the device is vertically installed, the landing of the airplane is not influenced, and the light-emitting state is not influenced.

A connecting line between the upper edge of the LED lamp bead 21 and the upper edge of the shading part 12 of another adjacent LED lamp bead 21 at the nearest point below the LED lamp bead 21, wherein the connecting line and the normal of the central point of the LED lamp bead 21 form a downward-looking included angle b, and the downward-looking included angle b is larger than or equal to 15 degrees; preferably, the included downward viewing angle b is greater than or equal to 45 °; more preferably, the downward angle b is 49.4 °.

Specifically, a plurality of LED lamp beads 21 of the LED display screen are all arranged in a matrix, each LED lamp bead 21 is provided with a protective cover 10, and the light shielding portion 12 of the LED lamp bead 21 below cannot affect the light of the LED lamp bead 21 above. Therefore, in order to avoid the influence of downward light as much as possible, the LED lamp bead 21 and the adjacent light shielding portion 12 therebelow should satisfy the requirement of the lower viewing angle b. And the connecting line between the upper edge of the upper LED lamp bead 21 and the upper edge of the light shielding part 12 of the lower LED lamp bead 21, and the included angle between the connecting line and the normal of the central point of the upper LED lamp bead 21 is a lower viewing angle b. And the size of the lower visual angle b cannot be smaller than 15 degrees, otherwise the downward emitted light of the LED lamp bead 21 is influenced.

Preferably, the down-view angle b is 49.4 °.

The design of the upward-looking included angle a and the downward-looking angle b enables the upward or downward light rays of the LED lamp beads 21 to be emitted in a certain direction, the vision of an airport pilot cannot be influenced, and the light emitting effect of the LED display screen cannot be influenced.

In a special case, when the LED display panel is mounted vertically, the light shielding portion 12 is inclined downward at an inclination angle of less than 90 °.

The mounting part 11 is provided with through holes 111 for accommodating the LED lamp beads 21 in an array manner. The light shielding portion 12 is provided at an upper edge of the through hole 111. Preferably, in order not to affect the light emission of the adjacent LED lamp beads 21 in the horizontal direction, the light shielding portions 12 extend downward at both sides of the through hole 111 such that the light shielding portions 12 extend into the upper half of the through hole 111.

Preferably, the light shielding portion 12 has a cross-sectional shape of any one of a plane, an arc, a U-shape, a semicircular shape, and a V-shape.

Preferably, the light shielding portions 12 of each row of beads 21 may be designed separately or connected together.

An LED display screen with a protective cover, please refer to fig. 1 to 8, comprising a display screen body 20 and the protective cover 10. The protective cover 10 is arranged on one side of the light-emitting direction of the display screen body 20, and the shading part 12 of the protective cover 10 is arranged above the corresponding LED lamp bead 21.

The display screen body 20 is provided with a plurality of LED lamp beads 21. Preferably, LED lamp pearl 21 upside all sets up protection casing 10 to the installation department 11 integrated into one piece of a plurality of protection casing 10 forms the mounting panel, easy to assemble and processing, but not flexible enough.

The display screen body 20 includes a box 23 and a display module 24. The mounting plates integrally formed with the mounting portions 11 of the plurality of protective covers 10 are disposed outside the display module 24. The LED lamp beads 21 are arranged on the surface of the display module 24, and the LED lamp beads 21 penetrate through the through holes 111 of the mounting plate.

In further embodiments, the flexibility of installation may be overcome by a split design. The protective cover 10 of each LED lamp bead 21 can be of a split type design, and the protective covers 10 are arranged on the display screen body 20 and do not affect each other. When the size of the display screen body 20 is variable, it can be installed by the split type shield case 10.

The two design modes of the protective cover 10 are selected according to actual conditions, or the two design modes are mixed for use.

Please refer to fig. 9, further comprising a mounting frame 22 for fixing the display screen body 20. The mounting bracket 22 is provided with a mounting surface for fixing the display screen body 20. The mounting surface is inclined downward so that the display screen body 20 forms an inclination angle of less than 90 ° with the vertical direction. The display screen body 20 is fixed on the wall body by a mounting frame 22.

Compared with the prior art, the utility model discloses the protection casing sets up in the LED lamp pearl outside of LED screen, and the shading portion jets out LED lamp pearl up and down light orientation for the LED screen reduces light pollution under the condition that does not influence luminous effect. The utility model is suitable for an airport environment and all ring edge borders neither can influence pilot's vision, can not influence luminous effect.

The technical content of the present invention is further described by the embodiments only, so that the reader can understand it more easily, but the embodiments of the present invention are not limited thereto, and any technical extension or re-creation according to the present invention is protected by the present invention. The protection scope of the present invention is subject to the claims.

Claims

1. A protective cover of an LED display screen is characterized by comprising an installation part and a shading part, wherein the installation part is used for being fixed on the LED display screen; the shading part is located the upside of LED lamp pearl, and the shading part extends towards the LED display screen outside to block LED lamp pearl light up.

2. The protective cover for the LED display screen according to claim 1, wherein the shading part is arranged obliquely downwards.

3. The protective cover of the LED display screen according to claim 2, wherein a connecting line between the lower edge of the light shielding part and the lower edge of the LED lamp bead and a normal line of a central point of the LED lamp bead form an upward viewing angle; the upward viewing angle is greater than or equal to 15 °.

4. The protective cover of the LED display screen according to claim 3, wherein a connecting line between the upper edge of the LED lamp bead and the upper edge of the light shielding part of another adjacent LED lamp bead at the closest point below the LED lamp bead forms a downward viewing angle with a normal line of the center point of the LED lamp bead; the downward included angle is greater than or equal to 15 °.

5. The shield for an LED display screen of claim 2, wherein the light shield portion is inclined downward at an angle of inclination of less than 90 °.

6. The protective cover of the LED display screen according to any one of claims 1 to 5, wherein the mounting part is provided with through holes for accommodating LED lamp beads in an array manner; the shading part is arranged at the upper edge of the through hole.

7. The protective cover for the LED display screen according to claim 1, wherein the cross-sectional shape of the shading part is any one of a plane, an arc, a U-shape, a semicircle or a V-shape.

8. An LED display screen with a protective cover, which is characterized by comprising a display screen body and the protective cover of any one of claims 1 to 7; the protection casing is arranged on one side of the light-emitting direction of the display screen body, and the shading parts of the protection casing are arranged on the upper sides of the corresponding LED lamp beads.

9. The LED display screen with the protective cover according to claim 8, wherein the display screen body is provided with a plurality of LED lamp beads; protective covers are arranged on the upper sides of the LED lamp beads; a plurality of the installation part of the protective cover is integrally formed.

10. The LED display screen with the protective cover according to claim 8, further comprising a mounting rack for fixing the display screen body; the mounting frame is provided with a mounting surface for fixing the display screen body; the mounting surface is arranged obliquely downwards so that the display screen body forms an inclination angle smaller than 90 degrees with the vertical direction.