CN220872789U

CN220872789U - Three-dimensional LED display screen of 3D

Info

Publication number: CN220872789U
Application number: CN202322472155.2U
Authority: CN
Inventors: 贺雪飞; 郝炳焜; 董君; 苏延朝; 龙本尧
Original assignee: Caiyin Shenzhen Digital Technology Co ltd
Current assignee: Caiyin Shenzhen Digital Technology Co ltd
Priority date: 2023-09-11
Filing date: 2023-09-11
Publication date: 2024-04-30
Anticipated expiration: 2033-09-11

Abstract

The utility model discloses a 3D (three-dimensional) LED display screen, which comprises a box body and a plurality of LED polarization modules, wherein the LED polarization modules are arranged on the upper end surface of the box body; the LED polarization module comprises a glue filling layer, a circuit board, a bottom shell and a plurality of polarization film components; the polarizing film component, the glue filling layer, the circuit board and the bottom shell are sequentially arranged from top to bottom; a plurality of LED lamp beads are arranged in the glue filling layer, are arranged on the upper end face of the circuit board in a matrix manner, and are electrically connected with the circuit board; the horizontal distances between the adjacent LED lamp beads are equal, and the longitudinal distances between the adjacent LED lamp beads are equal; the polarizing film components are transversely and parallelly attached to each row of LED lamp beads of the matrix type LED lamp beads, or the polarizing film components are longitudinally and parallelly attached to each row of LED lamp beads of the matrix type LED lamp beads. The utility model can prevent the image deformation during three-dimensional display on one hand and can effectively improve the imaging quality on the other hand.

Description

Three-dimensional LED display screen of 3D

Technical Field

The utility model relates to the technical field of LED display screens, in particular to a 3D stereoscopic LED display screen.

Background

The polarized 3D is to decompose the original image by utilizing the principle that light has a vibration direction, and two pictures with different polarization directions can be transmitted to a viewer by adding a polarization film on a display screen, when the pictures pass through polarized glasses, each lens of the polarized glasses can only receive pictures with one polarization direction, so that the left eye and the right eye of the viewer can receive two groups of pictures, and the 3D stereoscopic effect is realized.

The existing 3D LED display screen polarizing film generally adopts 3 pasting modes of transverse staggered pasting, longitudinal staggered pasting and checkerboard staggered pasting, however, the 3 pasting modes are implemented under the condition that pixels with equal intervals are adjacent to LED lamps, and the problems that images are deformed, display resolution is reduced by half and the like during three-dimensional display exist.

Disclosure of utility model

The utility model aims to provide a 3D stereoscopic LED display screen, and aims to solve the problem that the existing 3DLED display screen is poor in image quality in three-dimensional display.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: provided is a 3D stereoscopic LED display screen, which includes: the LED light source comprises a box body and a plurality of LED polarization modules, wherein the LED polarization modules are arranged on the upper end face of the box body; the LED polarization module comprises a glue filling layer, a circuit board, a bottom shell and a plurality of polarization film components; the polarizing film component, the glue filling layer, the circuit board and the bottom shell are sequentially arranged from top to bottom; a plurality of LED lamp beads are arranged in the glue filling layer, are arranged on the upper end face of the circuit board in a matrix manner, and are electrically connected with the circuit board; the horizontal distances between the adjacent LED lamp beads are equal, and the longitudinal distances between the adjacent LED lamp beads are equal; the polarizing film components are transversely and parallelly attached to each row of LED lamp beads of the matrix type LED lamp beads, or the polarizing film components are longitudinally and parallelly attached to each column of LED lamp beads of the matrix type LED lamp beads.

Further, the horizontal distance between two adjacent LED lamp beads in the horizontal direction is larger than the vertical distance between two adjacent LED lamp beads in the vertical direction, and the polarizing film components are transversely and parallelly attached to each horizontal row of LED lamp beads of the matrix type LED lamp beads.

Further, the horizontal distance between two adjacent LED lamp beads in the horizontal direction is smaller than the vertical distance between two adjacent LED lamp beads in the vertical direction, and the polarizing film assemblies are longitudinally and parallelly attached to each longitudinal row of LED lamp beads of the matrix type LED lamp beads.

Further, the ratio of the transverse to longitudinal spacing is 2:1 or 1:2; the ratio of the transverse distance to the longitudinal distance is the ratio of the transverse distance between two adjacent LED lamp beads in the horizontal direction to the longitudinal distance between two adjacent LED lamp beads in the vertical direction.

Further, the polarizing film component comprises a protective film, a polarizing film and first optical adhesive; one side surface of the polarizing film is connected with the protective film, and the other side surface of the polarizing film is attached to the glue filling layer through the first optical adhesive.

Further, the polarization direction of each of the polarizing films is perpendicular to the polarization direction of the adjacent other polarizing films.

Further, the polarizing films are all rectangular sheet structures.

Further, a frosted protective film is arranged on one side surface, which is not connected with the glue filling layer, of the polarizing film component, and the polarizing film component is attached to the frosted protective film through second optical glue.

Further, a plurality of driving ICs and power signal connecting seats are arranged in the bottom shell; the driving ICs and the power signal connection base are arranged on the lower end face of the circuit board.

Further, the LED lamp bead comprises a bracket and a plurality of light-emitting chips, wherein the light-emitting chips are arranged in the bracket; the lower extreme of support is provided with the leg.

The utility model discloses a 3D (three-dimensional) LED display screen, which comprises a box body and a plurality of LED polarization modules, wherein the LED polarization modules are arranged on the upper end surface of the box body; the LED polarization module comprises a glue filling layer, a circuit board, a bottom shell and a plurality of polarization film components; the polarizing film component, the glue filling layer, the circuit board and the bottom shell are sequentially arranged from top to bottom; a plurality of LED lamp beads are arranged in the glue filling layer, are arranged on the upper end face of the circuit board in a matrix manner, and are electrically connected with the circuit board; the horizontal distances between the adjacent LED lamp beads are equal, and the longitudinal distances between the adjacent LED lamp beads are equal; the polarizing film components are transversely and parallelly attached to each row of LED lamp beads of the matrix type LED lamp beads, or the polarizing film components are longitudinally and parallelly attached to each column of LED lamp beads of the matrix type LED lamp beads. The utility model can prevent the image deformation during three-dimensional display on one hand and can effectively improve the imaging quality on the other hand.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a first schematic diagram of an LED lamp bead in an LED display screen according to an embodiment of the present utility model;

Fig. 2 is a second schematic diagram of an LED lamp bead in an LED display screen according to an embodiment of the present utility model;

FIG. 3 is a first schematic view of a polarizing film in an LED display screen according to an embodiment of the present utility model;

FIG. 4 is a second schematic view of a polarizing film in an LED display according to an embodiment of the present utility model;

Fig. 5 is a first schematic diagram of an LED display screen according to an embodiment of the present utility model;

Fig. 6 is a second schematic diagram of an LED display screen according to an embodiment of the present utility model;

Fig. 7 is a third schematic diagram of an LED display screen according to an embodiment of the present utility model;

Fig. 8 is a fourth schematic diagram of an LED display screen according to an embodiment of the present utility model;

Fig. 9 is a schematic structural diagram of an LED lamp bead in an LED display screen according to an embodiment of the present utility model;

fig. 10 is a schematic structural diagram of a polarizing film assembly in an LED display screen according to an embodiment of the present utility model;

FIG. 11 is a schematic structural diagram of an LED polarization module in an LED display screen according to an embodiment of the present utility model;

fig. 12 is a schematic structural diagram of an LED display screen according to an embodiment of the present utility model;

fig. 13 is a schematic structural diagram of an LED display screen according to an embodiment of the present utility model;

Wherein, each reference sign is as follows in the figure:

10. An LED display screen; 100. an LED polarization module; 200. a case; 110. a polarizing film assembly; 120. filling an adhesive layer; 130. a circuit board; 140. a bottom case; 121. LED lamp beads; 111. a protective film; 112. a polarizing film; 113. a first optical adhesive; 141. a driving IC; 142. a power signal connecting seat; 1211. a bracket; 1212. a light emitting chip; 1213. welding feet; 210. a power supply; 220. a control card; 114. a frosted protective film; 115. and a second optical adhesive.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be understood that the terms "comprises" and "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

It is also to be understood that the terminology used in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

It should be further understood that the term "and/or" as used in the present specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.

Referring to fig. 5, fig. 6, fig. 11, and fig. 12, fig. 5 is a first schematic diagram of an LED display screen according to an embodiment of the present utility model; fig. 6 is a second schematic diagram of an LED display screen according to an embodiment of the present utility model;

Fig. 11 is a schematic diagram of a second structure of an LED polarization module in an LED display according to an embodiment of the present utility model; fig. 12 is a schematic structural diagram of an LED display screen according to an embodiment of the present utility model. As shown in fig. 5, 6, 11 and 12, the present utility model proposes a 3D stereoscopic LED display screen 10, which includes a case 200 and a plurality of LED polarization modules 100, where the plurality of LED polarization modules 100 are all disposed on an upper end surface of the case 200; the LED polarizing module 100 includes a glue-filling layer 120, a circuit board 130, a bottom case 140, and a plurality of polarizing film components 110; the polarizing film assembly 110, the glue filling layer 120, the circuit board 130 and the bottom shell 140 are sequentially arranged from top to bottom; a plurality of LED lamp beads 121 are arranged in the glue filling layer 120, the plurality of LED lamp beads 121 are arranged on the upper end surface of the circuit board 130 in a matrix manner, and each LED lamp bead 121 is electrically connected with the circuit board 130; the horizontal distances between the adjacent LED lamp beads 121 are equal, and the vertical distances between the adjacent LED lamp beads 121 are equal; the polarizing film assembly 110 is transversely and parallelly attached to each row of the matrix type LED lamp beads, or the polarizing film assembly 110 is longitudinally and parallelly attached to each column of the matrix type LED lamp beads.

In this embodiment, the LED display screen 10 includes a case 200 and a plurality of LED polarization modules 100, where the plurality of LED polarization modules 100 and the case 200 may be fixedly connected by screws or buckles, or the plurality of LED polarization modules 100 and the case 200 may be magnetically connected. The LED polarizing module 100 includes a glue-filling layer 120, a circuit board 130, a bottom case 140, and a plurality of polarizing film components 110; the polarizing film assembly 110, the glue filling layer 120, the circuit board 130 and the bottom shell 140 are sequentially arranged from top to bottom; a plurality of LED lamp beads 121 are arranged in the glue filling layer 120, the plurality of LED lamp beads 121 are arranged on the upper end surface of the circuit board 130 in a matrix manner, and each LED lamp bead 121 is electrically connected with the circuit board 130; the horizontal distances between the adjacent LED lamp beads 121 are equal, and the vertical distances between the adjacent LED lamp beads 121 are equal; the polarizing film assembly 110 is transversely and parallelly attached to each row of the matrix type LED lamp beads, or the polarizing film assembly 110 is longitudinally and parallelly attached to each column of the matrix type LED lamp beads. The light emitted by each LED lamp bead 121 may be changed into polarized light by the polarizing film assembly 110, and the polarized light may be transmitted through the polarized glasses, so that different pictures may be displayed, and a 3D effect may be achieved.

In an embodiment, as shown in fig. 5, 11 and 12, the horizontal spacing between two adjacent LED beads 121 in the horizontal direction is greater than the vertical spacing between two adjacent LED beads 121 in the vertical direction, and the polarizing film assemblies 110 are all horizontally and parallel attached to each horizontal row of LED beads of the matrix type LED beads.

In this embodiment, when the ratio of the horizontal spacing between two adjacent LED beads 121 in the horizontal direction to the vertical spacing between two adjacent LED beads 121 in the vertical direction is 2:1, the plurality of polarizing film assemblies 110 are transversely attached to each horizontal row of the matrix-type LED beads (see fig. 1, 3 and 5 for specific details); the light emitted by the LED lamp beads 121 can be changed into polarized light by the polarizing film assembly 110, and a viewer can see 2 pairs of equidistant lateral images through the polarized glasses (see fig. 7 for details).

In an embodiment, as shown in fig. 6, 11 and 12, the horizontal spacing between two adjacent LED beads 121 in the horizontal direction is smaller than the vertical spacing between two adjacent LED beads 121 in the vertical direction, and the polarizing film assembly 110 is longitudinally and parallel attached to each longitudinal row of LED beads of the matrix type LED beads.

In this embodiment, when the ratio of the horizontal spacing between two adjacent LED beads 121 in the horizontal direction to the vertical spacing between two adjacent LED beads 121 in the vertical direction is 1:2, the plurality of polarizing film assemblies 110 are longitudinally attached to each longitudinal row of the matrix-type LED beads (see fig. 2, 4 and 6 for specific details); the light emitted by the LED lamp beads 121 can be changed into polarized light by the polarizing film assembly 110, and a viewer can see 2 pairs of equidistant longitudinal pictures through the polarized glasses (see fig. 8 specifically).

In one embodiment, as shown in fig. 3, 4, 5 and 6, the ratio of the lateral to longitudinal spacing is 2:1 or 1:2; the ratio of the horizontal-to-vertical spacing is the ratio of the horizontal spacing between two adjacent LED lamp beads 121 in the horizontal direction to the vertical spacing between two adjacent LED lamp beads 121 in the vertical direction.

In this embodiment, the light emitted by each LED lamp bead 121 may be changed into polarized light by the polarizing film assembly 110, and the polarized light may be transmitted through the polarized glasses, so that different pictures may be displayed, and a 3D effect may be achieved. When the ratio of the horizontal spacing between two adjacent LED beads 121 in the horizontal direction to the vertical spacing between two adjacent LED beads 121 in the vertical direction is 2:1, the plurality of polarizing film assemblies 110 are transversely attached to each horizontal row of the matrix-type LED beads (see fig. 1, 3 and 5 for specific details); the light emitted by the LED lamp beads 121 can be changed into polarized light by the polarizing film assembly 110, and a viewer can see 2 pairs of equidistant lateral images through the polarized glasses (see fig. 7 for details). When the ratio of the horizontal spacing between two adjacent LED beads 121 in the horizontal direction to the vertical spacing between two adjacent LED beads 121 in the vertical direction is 1:2, the plurality of polarizing film assemblies 110 are longitudinally attached to each longitudinal row of the matrix-type LED beads (see fig. 2, 4 and 6 for specific details); the light emitted by the LED lamp beads 121 can be changed into polarized light by the polarizing film assembly 110, and a viewer can see 2 pairs of equidistant longitudinal pictures through the polarized glasses (see fig. 8 specifically).

In one embodiment, as shown in fig. 10 and 11, the polarizing film assembly 110 includes a protective film 111, a polarizing film 112, and a first optical adhesive 113; one side surface of the polarizing film 112 is connected to the protective film 111, and the other side surface of the polarizing film 112 is bonded to the glue filling layer 120 through a first optical adhesive 113.

In this embodiment, the protective film 111 is a transparent film, and is used for protecting the polarizing film 112, and has the functions of wear resistance and scratch resistance. The polarizing film 112 may change the light emitted from the LED lamp beads 121 into polarized light. The polarizing film 112 is attached to the glue filling layer 120 by a first optical glue 113. Before the polarizing film assembly 110 is not adhered to the glue filling layer 120, a release film is further disposed on a side surface of the first optical adhesive 113, which is not connected to the polarizing film 112, and the release film can protect the first optical adhesive 113 from being polluted.

In one embodiment, as shown in fig. 3, 4, 5 and 6, the polarization direction of each of the polarizing films 112 is perpendicular to the polarization direction of the adjacent other polarizing films 112.

In this embodiment, the polarization direction of each of the polarization films 112 is perpendicular to the polarization directions of the adjacent other polarization films 112, so that the light emitted by each of the LED beads 121 is separated into 2 groups of linear light perpendicular to each other, and a 3D stereoscopic function is realized.

In one embodiment, as shown in fig. 3, 4 and 10, the polarizing film 112 has a rectangular sheet structure.

In this embodiment, the polarizing films 112 are all rectangular sheet structures, and when the ratio of the horizontal spacing between two adjacent LED lamp beads 121 in the horizontal direction to the vertical spacing between two adjacent LED lamp beads 121 in the vertical direction is 2:1, the plurality of polarizing film assemblies 110 are transversely attached to each horizontal row of the matrix-type LED lamp beads; the light emitted by the LED lamp beads 121 can be changed into polarized light by the polarizing film assembly 110, and a viewer can see 2 pairs of equidistant lateral images through the polarized glasses (see fig. 7 for details). When the ratio of the horizontal spacing between two adjacent LED lamp beads 121 in the horizontal direction to the vertical spacing between two adjacent LED lamp beads 121 in the vertical direction is 1:2, the plurality of polarizing film assemblies 110 are longitudinally attached to each longitudinal row of matrix LED lamp beads; the light emitted by the LED lamp beads 121 can be changed into polarized light by the polarizing film assembly 110, and a viewer can see 2 pairs of equidistant longitudinal pictures through the polarized glasses (see fig. 8 specifically).

In an embodiment, as shown in fig. 10, 11 and 13, a frosted protection film 114 is disposed on a side surface of the polarizing film assembly 110, which is not connected to the glue filling layer 120, and the polarizing film assembly 110 and the frosted protection film 114 are attached by a second optical glue 115.

In this embodiment, a frosted protection film 114 is disposed on a side surface of the polarizing film assembly 110, which is not connected to the glue filling layer 120, and the polarizing film assembly 110 is attached to the frosted protection film 114 by a second optical adhesive 115. Further, the frosted protective film 114 is a protective film that is large enough to cover all the polarizing film components 110 on the LED polarizing module 100. The frosted protection film 114 can atomize the light emitted by the plurality of LED lamp beads 121 into a surface light source, so that the light source is uniform and atomized, and the viewing experience of a viewer can be effectively improved while the mole patterns are reduced.

In one embodiment, as shown in fig. 11, a plurality of driving ICs 141 and power signal connection seats 142 are disposed in the bottom case 140; the plurality of driving ICs 141 and the power signal connection socket 142 are disposed at a lower end surface of the circuit board 130.

In the present embodiment, a plurality of driving ICs 141 and a power signal connection base 142 are disposed in the bottom case 140; the plurality of driving ICs 141 and the power signal connection socket 142 are disposed at a lower end surface of the circuit board 130. The driving IC141 is configured to receive a control signal and process a current of each of the LED beads 121, thereby forming a picture change.

In an embodiment, as shown in fig. 9, the LED lamp bead 121 includes a bracket 1211 and a plurality of light emitting chips 1212, wherein the plurality of light emitting chips 1212 are disposed in the bracket 1211; the lower end of the bracket 1211 is provided with a leg 1213.

In this embodiment, the LED lamp bead 121 includes a bracket 1211 and a plurality of light emitting chips 1212, the plurality of light emitting chips 1212 are disposed in the bracket 1211, and the light emitting chips 1212 are light emitting diodes; the lower end of the bracket 1211 is provided with a soldering leg 1213, and the LED lamp beads 121 may be soldered on the circuit board 130 through the soldering leg 1213.

In one embodiment, as shown in fig. 12, a power supply 210 and a control card 220 are disposed in the case 200; the power supply 210 and the control card 220 are electrically connected to the power signal connection base 142.

In this embodiment, a power supply 210 and a control card 220 are disposed in the case 200; the power supply 210 and the control card 220 are electrically connected to the power signal connection base 142, and the power supply 210 is used for supplying power to the LED polarization module 100. The driving IC141 is configured to receive a control signal sent by the control card 220, and the driving IC141 processes the current of each LED lamp bead 121 according to the received control signal, so as to form a picture change.

While the utility model has been described with reference to certain preferred embodiments, it will be understood by those skilled in the art that various changes and substitutions of equivalents may be made and equivalents will be apparent to those skilled in the art without departing from the scope of the utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims

1. The 3D stereoscopic LED display screen is characterized by comprising a box body and a plurality of LED polarization modules, wherein the LED polarization modules are arranged on the upper end face of the box body;

The LED polarization module comprises a glue filling layer, a circuit board, a bottom shell and a plurality of polarization film components; the polarizing film component, the glue filling layer, the circuit board and the bottom shell are sequentially arranged from top to bottom;

A plurality of LED lamp beads are arranged in the glue filling layer, are arranged on the upper end face of the circuit board in a matrix manner, and are electrically connected with the circuit board;

The horizontal distances between the adjacent LED lamp beads are equal, and the longitudinal distances between the adjacent LED lamp beads are equal;

The polarizing film components are transversely and parallelly attached to each row of LED lamp beads of the matrix type LED lamp beads, or the polarizing film components are longitudinally and parallelly attached to each column of LED lamp beads of the matrix type LED lamp beads.

2. The 3D stereoscopic LED display screen of claim 1, wherein the horizontal spacing between two adjacent LED beads in the horizontal direction is greater than the vertical spacing between two adjacent LED beads in the vertical direction, and the polarizing film assemblies are all horizontally and parallel attached to each horizontal row of LED beads of the matrix type LED beads.

3. The 3D stereoscopic LED display screen of claim 1, wherein the horizontal spacing between two adjacent LED beads in the horizontal direction is smaller than the vertical spacing between two adjacent LED beads in the vertical direction, and the polarizing film assemblies are attached to each longitudinal row of LED beads of the matrix type LED beads in parallel.

4. A 3D stereoscopic LED display screen according to claim 2 or 3, wherein the ratio of lateral to longitudinal spacing is 2:1 or 1:2;

The ratio of the transverse distance to the longitudinal distance is the ratio of the transverse distance between two adjacent LED lamp beads in the horizontal direction to the longitudinal distance between two adjacent LED lamp beads in the vertical direction.

5. The 3D stereoscopic LED display screen of claim 1, wherein the polarizing film assembly comprises a protective film, a polarizing film, and a first optical adhesive;

One side surface of the polarizing film is connected with the protective film, and the other side surface of the polarizing film is attached to the glue filling layer through the first optical adhesive.

6. The 3D stereoscopic LED display screen of claim 5, wherein the polarization direction of each of the polarization films is perpendicular to the polarization direction of the adjacent other polarization films.

7. The 3D stereoscopic LED display screen of claim 6, wherein the polarizing films are each rectangular sheet-like structures.

8. The 3D stereoscopic LED display screen of claim 7, wherein a frosted protective film is provided on a side of the polarizing film component not connected to the glue filling layer, and the polarizing film component is attached to the frosted protective film through a second optical glue.

9. The 3D stereoscopic LED display screen of claim 1, wherein a plurality of driving ICs and power signal connection sockets are provided in the bottom case;

The driving ICs and the power signal connection base are arranged on the lower end face of the circuit board.

10. The 3D stereoscopic LED display screen of claim 1, wherein the LED light beads comprise a bracket and a plurality of light emitting chips, the plurality of light emitting chips being disposed in the bracket;

The lower extreme of support is provided with the leg.