CN210181963U

CN210181963U - Display device capable of reducing brightness difference between splicing seam and display screen

Info

Publication number: CN210181963U
Application number: CN201921514710.0U
Authority: CN
Inventors: Qinghai Song; 宋清海
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-11
Filing date: 2019-09-11
Publication date: 2020-03-24
Anticipated expiration: 2029-09-11

Abstract

The utility model discloses a can reduce display device of concatenation seam and display screen luminance difference, including the plug connector, wherein, the plug connector is fixed in the concatenation seam of two adjacent display screens, just the plug connector covers the screen edge of two adjacent display screens, the plug connector is equipped with a plurality of luminous element group in the one side of concatenation seam dorsad, just luminous element group is covered by the diffusion layer that is used for diffusion light. The utility model discloses fix the plug connector in the concatenation seam, through the luminescence of luminous element group, can reduce the luminance difference and the colour difference of concatenation seam and display screen, improve the degree of fusion of display device and display screen, eliminate the concatenation seam and exist and the black edge effect that leads to, improve the wholeness of display screen picture, and then improve the display effect of picture.

Description

Display device capable of reducing brightness difference between splicing seam and display screen

Technical Field

The utility model relates to a display screen makes technical field, concretely relates to can reduce display device of concatenation seam and display screen luminance difference.

Background

The LED display screen is a new type of flat panel display device appearing in the 90 s, and gradually becomes a main display screen in the public multimedia display field due to its characteristics of clear picture, high brightness and bright color.

Along with the rapid development of public multimedia, the size required by the display screen is larger and larger, a large-scale LED display screen is required to be used for media playing in the market, the large-scale LED display screen is generally formed by splicing a plurality of small-scale LED display screens, the unitized design not only ensures that the size of the large-scale LED display screen can be spliced and adjusted as required, but also ensures that the installation, debugging and maintenance of the system are extremely simple and convenient, thereby reducing the invisible faults of the large-scale LED display screen system to the maximum degree and increasing the working reliability of the large-scale LED display screen.

However, the large LED display screen also has inevitable disadvantages: because it is formed by the concatenation of the small-size LED display screen of polylith, a concatenation seam can appear between the concatenation department of every small-size LED display screen, and these concatenation seams are different with the screen reflection and the absorption of the screen of display screen to light, can appear the black edge of a strip on the screen when showing, and the luminance and the colour difference that feel the concatenation seam when letting people watch, destroy the wholeness of whole large-scale LED display screen, influence the visual effect of display frame.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that the splicing seam leads to the poor visual effect of the picture in the existing large-scale LED display screen, the utility model aims to provide a can reduce the luminance and the color difference that the large-scale LED display screen causes the display frame to exist because of the splicing seam, improve the display device of the whole visual effect of picture.

The utility model discloses the technical scheme who adopts does:

a display device capable of reducing the brightness difference between a splicing seam and display screens comprises plug connectors, wherein the plug connectors are fixed in the splicing seams of two adjacent display screens and cover the screen edges of the two adjacent display screens;

and a plurality of light-emitting element groups are arranged on one side of the plug connector back to the splicing seam, and the light-emitting element groups are covered by a diffusion layer for diffusing light.

Preferably, the plug connector is a T-shaped piece;

the vertical portion of the T-shaped piece is an insertion end and is inserted into the splicing seams of two adjacent display screens, the horizontal portion of the T-shaped piece is an installation end, the horizontal portion faces away from one surface of the vertical portion and is provided with the light-emitting element group, and two side edges of one surface, connected with the vertical portion, of the horizontal portion are respectively in lap joint with the screen edge of the corresponding side display screen.

Preferably, a through hole is formed in one surface, back to the vertical part, of the horizontal part, and the through hole penetrates through the horizontal part from top to bottom.

Preferably, one T-shaped piece is arranged in one splicing seam, and the length of the horizontal part is the same as that of the splicing seam.

Preferably, the light emitting element groups are arranged in 5 rows, each row is provided with one light emitting element group, and each light emitting element group comprises 5 dot matrix display matrixes arranged at equal intervals.

Preferably, the lattice display matrix is a 980 x 540 matrix and is composed of light emitting diodes.

Preferably, the diffusion layer covers the whole surface of the horizontal part, which faces away from the vertical part.

Optimally, the diffusion layer is shadowless glue doped with light scattering powder.

Optimally, the thickness of the diffusion layer is between 1.8 and 2.3 mm.

The utility model has the advantages that:

(1) the utility model relates to a can reduce display device of concatenation seam and display screen luminance difference, this display device includes the plug connector, wherein, is equipped with the luminous element group that is covered by the diffusion layer on the plug connector, and the plug connector fixes in the concatenation seam of two adjacent display screens to cover the screen edge of two display screens.

Through the design, at first through install the plug connector in the concatenation seam between two display screens, utilize the plug connector to cover the screen edge of two display screens, utilize the plug connector to cover the screen of concatenation seam both sides promptly, eliminate the physical clearance between two display screens, and simultaneously, utilize the luminous element group on the plug connector to carry out luminous display, and realize the diffusion of light through the diffusion layer, make the display device in the concatenation seam realize luminous display, can reduce luminance difference and the colour difference of concatenation seam and display screen like this, improve the degree of fusion of display device and display screen, eliminate the concatenation seam and exist and the black edge effect that leads to, improve the wholeness of display screen picture, and then improve the display effect of picture.

Drawings

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

Fig. 1 is a schematic structural diagram of a plug connector according to the present invention.

Fig. 2 is a plan view of the connector according to the present invention.

Fig. 3 is a schematic structural diagram of a large LED display screen without a connector.

Fig. 4 is a schematic structural diagram of a large-scale LED display screen provided with only 2 plug connectors.

Fig. 5 is a schematic structural diagram of a large-sized LED display screen with all the connectors according to the present invention.

FIG. 6 is a schematic view showing the structure of the splice seam shown in FIG. 5.

In the above figures, 1-plug connector; 101-vertical section; 102-a horizontal portion; 102 a-a via; 2-a display screen; 3-a group of light emitting elements; 301-a dot matrix display matrix; 4-diffusion layer.

Detailed Description

The invention will be further elucidated with reference to the embodiments described hereinafter. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto.

The term "and/or" herein is merely an association relationship describing an associated object, and means that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, B exists alone, and A and B exist at the same time, and the term "/and" is used herein to describe another association object relationship, which means that two relationships may exist, for example, A/and B, may mean: a alone, and both a and B alone, and further, the character "/" in this document generally means that the former and latter associated objects are in an "or" relationship.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments of the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises," "comprising," "includes," and/or "including," when used herein, 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, numbers, steps, operations, elements, components, and/or groups thereof.

It is to be understood that although the terms first, second, third, etc. may be used herein to describe various information, such information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present disclosure. The word "if" as used herein may be interpreted as "at … …" or "when … …" or "in response to a determination", depending on the context.

Furthermore, the particular features, structures, functions, or characteristics may be combined in any suitable manner in one or more embodiments. For example, a first embodiment may be combined with a second embodiment as long as the particular features, structures, functions, or characteristics associated with the two embodiments are not mutually exclusive.

Example one

As shown in fig. 1 to 6, the display device capable of reducing the brightness difference between the splicing seams and the display screens provided in this embodiment includes a plug connector 1, wherein the plug connector 1 is fixed in the splicing seams of two adjacent display screens 2, and the plug connector 1 covers the screen edges of the two adjacent display screens 2.

The surface, back to the splicing seam, of the plug connector 1 is provided with a plurality of light-emitting element groups 3, and the light-emitting element groups 3 are covered by a diffusion layer 4 for diffusing light.

As shown in fig. 1, a specific structure of the display device capable of reducing the brightness difference between the splicing seam and the display screen is described as follows:

the plug connector 1 is used for being installed in a splicing seam between two adjacent display screens 2 so as to achieve the effect of eliminating the brightness and color difference between the splicing seam and the display screens 2.

In this embodiment, the plug connector 1 is fixed in the splicing seam to cover the screen edges of two adjacent display screens 2 simultaneously, the reason that sets up like this is because: the splicing seam covers the screens at the two sides of the splicing seam by using the plug connectors 1, namely, the effect of completely covering the physical gap of the splicing seam is achieved.

Luminous element group 3 then regards as luminescent device, through the inside LED drive plate of electricity connection display screen 2, reaches the function of lighting, simultaneously, uses diffusion layer 4 to cover luminous element group 3, can diffuse the light that luminous element group 3 sent, makes the light that sends and display screen 2 fuse together, reduces display screen 2 and the colour and the luminance difference of concatenation seam, improves the wholeness of whole large-scale LED display screen.

Through the above design, the utility model discloses utilize earlier 1 cover of plug connector to splice the physical clearance of seam, light is sent to the luminous component group of rethread 3, and utilize diffusion layer 4 to carry out the light diffusion, and then make 1 luminous demonstration of surface realization of plug connector, can reduce the luminance difference and the colour difference of plug connector 1 and display screen 2 like this, maximum

improvement plug connector

1 and 2 fusion degrees of display screen, eliminate the black border phenomenon because of the existence of splice seam leads to, improve the wholeness of large-scale LED display screen picture, and then improve the display effect of whole picture.

In this embodiment, the plug-in unit 1 may be fixed in the splicing seam by screws, but of course, other fixing methods, such as welding, bonding, etc., may also be used.

In this embodiment, a plurality of plug connectors 1 may be disposed in one splicing seam, that is, a plurality of plug connectors 1 are connected to fill the splicing seam, and then the brightness and color difference with the display screen 2 is reduced through light emitting display; simultaneously, also can only set up a plug connector 1 in a concatenation seam, when only using a plug connector 1, whole concatenation seam will all be filled up to this plug connector 1 to the screen edge with concatenation seam both sides covers completely, like this when carrying out luminous demonstration, can improve the fusion degree of plug connector 1 and display screen 2 to the at utmost, reaches best display effect.

Of course, in this embodiment, in order to improve the degree of fusion between the light-emitting display of the plug-in unit 1 and the image on the display screen 2 to the maximum, the display of the light-emitting element group 3, such as parameters of refresh rate, image mixing effect, image point-to-point display, color restoration, etc., may be adjusted by using existing equipment and software, so that the plug-in unit 1 and the display screen 2 are fused to the maximum, and the influence of the splicing seam on the image display effect is reduced as much as possible.

Example two

This embodiment is a specific implementation of the display device that can reduce the luminance difference between the splicing seams and the display screen described in the first embodiment.

In this embodiment, the plug 1, the display screen 2, the light emitting element group 3 and the diffusion layer 4 are the same as those in the first embodiment, and the structure, the function and the technical effect of the above elements are not described herein.

Preferably, the plug connector 1 is a T-shaped piece.

The vertical portion 101 of the T-shaped piece is an insertion end and is inserted into the splicing seam of two adjacent display screens 2, the horizontal portion 102 of the T-shaped piece is an installation end, one surface of the horizontal portion 102, which faces away from the vertical portion 101, is provided with the light-emitting element group 3, and two side edges of one surface, connected with the vertical portion 101, of the horizontal portion 102 are respectively lapped on the screen edge of the display screen 2 on the corresponding side.

As shown in fig. 1, the following describes a specific structure of the plug-in unit 1:

in this embodiment, plug connector 1 is the T shape piece, and the installation that the T shape piece can be better is in the concatenation seam, and vertical portion 101 is as inserting the end promptly, inserts and inlays in the concatenation seam, and horizontal portion 102 then is as the installation end, also is as the display end simultaneously, and the width of horizontal portion 102 is greater than the width of concatenation seam, and back in vertical portion 101 inserts the concatenation seam promptly, and the both sides limit overlap joint of the one side that horizontal portion 102 and vertical portion 101 link to each other is on the screen that the concatenation seam corresponds the side, through above-mentioned design, can cover the physical gap of concatenation seam completely.

Meanwhile, the light-emitting element group 3 is arranged on one surface of the horizontal part 102, which is back to the vertical part 101, namely the horizontal part 102 is used as a display end, after the plug connector 1 is arranged in the splicing seam, the light-emitting display of the plug connector 1 can be realized, in addition, the light diffusion effect of the diffusion layer 4 is matched, when the whole display screen 2 is used for image display, the brightness difference and the color difference between the plug connector 1 and the display screen 2 can be reduced, the plug connector 1 is better fused with the display screen 2, the black edge phenomenon caused by the existence of the splicing seam is avoided, the integrity of the whole large LED display screen is improved, the display effect of the picture is further improved, a user can not feel the brightness difference and the color difference, and the black edge phenomenon of the large LED display screen is really removed in vision.

In this embodiment, the T-shaped piece is made of steel.

In this embodiment, the installation of T shape piece also adopts the fix with screw, directly uses the screw to fix vertical portion 101 in the concatenation seam promptly, realizes the seamless concatenation between two adjacent display screens 2, adopts this kind of mounting means, labour saving and time saving, and after the installation, the horizontal part 102 of T shape piece can cover the concatenation seam, need not to handle and adjust, has simplified installation steps.

Preferably, one T-shaped piece is arranged in one splicing seam, and the length of the horizontal part 102 is consistent with that of the splicing seam.

What optimize in above-mentioned scheme is that only set up a T shape piece in a concatenation seam, just so avoided using the drawback that a plurality of T shape pieces still need the concatenation, use a horizontal part 102 the same with concatenation seam length simultaneously, can guarantee that the light of sending, the image that demonstrates fuse better with display screen 2, reach better display effect.

As shown in fig. 1, the longitudinal direction of the horizontal portion 102 is the horizontal direction in fig. 1, and the width direction is the vertical direction in fig. 1.

As shown in fig. 3, fig. 3 is a structural diagram of a large LED display screen, and it can be clearly seen that a splicing seam exists between each display screen 2 in the existing large LED display screen, and when displaying, the splicing seams form a black edge phenomenon, and have brightness and color differences with images on the display screens 2, which affect the display effect.

As shown in fig. 4, fig. 4 shows that two connectors 1 are disposed in the large LED display screen, and as can be seen from fig. 4, the horizontal portions 102 of the connectors 1 are overlapped on the screen edges at both sides of the splicing seam, that is, the splicing seam is completely covered by the connectors 1 when viewed from above.

As shown in fig. 5, fig. 5 shows that all the plug connectors 1 are arranged in the splicing seams in the large-scale LED display screen, that is, all the splicing seams are completely covered by the plug connectors 1, when the light-emitting element group 3 emits light, the horizontal portion 102 of the plug connectors 1 can emit light for display under the light diffusion effect of the diffusion layer 4, the color and brightness difference with the display screen 2 is greatly reduced, the fusion degree of the horizontal portion 102 and the display screen 2 is improved, the effect of visually removing the black edge phenomenon is achieved, and the display effect of the picture is improved.

Fig. 6 shows the splicing seams in fig. 5, and it can be seen from fig. 6 that the horizontal portion 102 of the connector 1 covers the splicing seams completely, so that the physical distance is eliminated, and when the connector 1 is equipped with a luminous display, the effect of reducing the color and brightness difference with the display screen 2 can be achieved.

Preferably, a through hole 102a is formed on a surface of the horizontal portion 102 facing away from the vertical portion 101, and the through hole 102a vertically penetrates through the horizontal portion 102.

As shown in fig. 1, the light emitting element group 3 can be easily wired by providing the through hole 102a, that is, a wire is conveniently provided to electrically connect the light emitting element group 3 to the LED driving board in the display screen 2, so that the light emitting element group 3 is turned on.

Preferably, the light emitting element groups 3 are arranged in 5 rows, each row is provided with one light emitting element group 3, and each light emitting element group 3 comprises 5 dot matrix display matrices 301 arranged at equal intervals.

Preferably, the dot matrix display matrix 301 is a 980 x 540 matrix and is composed of light emitting diodes.

As shown in fig. 2, by the above design, 25 dot matrix display matrices 301 are disposed on the horizontal portion 102, and each dot matrix display matrix 301 is composed of 980 × 540 leds, and the reason for this is that: because the crossing point of each row and each column of the matrix is just a pixel point of the displayed image, the light-emitting diodes in each row and each column are controlled to be lightened at different time, different pictures can be displayed, the definition, the image quality and the like of the displayed pictures of the display device can be improved by setting the number of the light-emitting diodes in the dot matrix display matrix 301, and then the display device is fused with the display screen 2 to the greatest extent, so that the integrality of the pictures of the whole large and small LED display screens is better, and the better display effect is realized.

Preferably, the diffusion layer 4 covers the entire surface of the horizontal portion 102 facing away from the vertical portion 101. Through the design, the light diffusion effect of the diffusion layer 4 can be improved, and the light emitted by the light-emitting element group 3 can be diffused in all directions, so that the color and brightness difference with the display screen 2 can be eliminated as much as possible.

Preferably, the diffusion layer 4 is a shadowless glue doped with light scattering powder.

Preferably, the thickness of the diffusion layer 4 is between 1.8 mm and 2.3 mm.

The shadowless glue is a curing glue, and after the surface of the light-emitting element group 3 is coated with the shadowless glue, on one hand, the light-emitting element group 3 can be firmly attached to the horizontal part 102, and on the other hand, the shadowless glue is completely transparent after being cured, does not turn yellow or whiten for a long time, and does not influence the penetration of light.

Meanwhile, the light scattering powder is doped in the shadowless adhesive, the light diffusion rate of the shadowless adhesive can reach more than 95%, the light transmittance is 85% -93%, and the light diffusion rate and the light transmittance can be effectively increased. Through the design, the diffusivity of light can be improved through the astigmatic powder, the difference between the horizontal part 102 and the display screen 2 is eliminated, the brightness difference between the horizontal part 102 and the display screen 2 is reduced, the horizontal part 102 and the display screen 2 are fused, and the phenomenon of splicing seam black edge is eliminated.

In this embodiment, the thickness of the diffusion layer 4 is exemplified as 2 mm.

To sum up, adopt the utility model provides a can reduce display device of concatenation seam and display screen luminance difference has following technological effect:

(1) the utility model discloses at first through install plug connector 1 in the concatenation seam between two display screens 2, utilize plug connector 1 to cover the screen edge of two display screens 2, utilize the screen of plug connector 1 with concatenation seam both sides to cover promptly, eliminate the physical clearance between two display screens 2, and simultaneously, utilize luminous component group 3 on the plug connector 1 to carry out luminous display, and realize the diffusion of light through diffusion layer 4, make the display device in the concatenation seam realize luminous display, can reduce luminance difference and the colour difference of concatenation seam and display screen 2 screen like this, improve display device and display screen 2's degree of fusion, eliminate the black edge phenomenon that concatenation seam exists and lead to, improve the wholeness of display screen picture, and then improve the display effect of picture.

The present invention is not limited to the above-mentioned optional embodiments, and any other products in various forms can be obtained by anyone under the teaching of the present invention, and any changes in the shape or structure thereof, all the technical solutions falling within the scope of the present invention, are within the protection scope of the present invention.

Claims

1. The utility model provides a can reduce display device of concatenation seam and display screen luminance difference which characterized in that: the display screen comprises plug connectors (1), wherein the plug connectors (1) are fixed in splicing seams of two adjacent display screens (2), and the plug connectors (1) cover the screen edges of the two adjacent display screens (2);

the light-emitting component is characterized in that one side, back to the splicing seam, of the plug connector (1) is provided with a plurality of light-emitting component groups (3), and the light-emitting component groups (3) are covered by diffusion layers (4) used for diffusing light.

2. The display device according to claim 1, wherein the display device is capable of reducing the brightness difference between the splicing seam and the display screen, and comprises: the plug connector (1) is a T-shaped piece;

vertical portion (101) of T shape piece are for inserting the end, insert and inlay in the concatenation seam of two adjacent display screen (2), horizontal part (102) of T shape piece are the installation end, horizontal part (102) dorsad be provided with on the one side of vertical portion (101) luminous element group (3), the both sides limit of the one side that horizontal part (102) and vertical portion (101) meet is overlap joint respectively on the screen edge of corresponding side display screen (2).

3. The display device according to claim 2, wherein the display device is capable of reducing the brightness difference between the splicing seam and the display screen, and comprises: one surface of the horizontal part (102) back to the vertical part (101) is provided with a through hole (102a), and the through hole (102a) vertically penetrates through the horizontal part (102).

4. The display device according to claim 2, wherein the display device is capable of reducing the brightness difference between the splicing seam and the display screen, and comprises: one T-shaped piece is arranged in one splicing seam, and the length of the horizontal part (102) is the same as that of the splicing seam.

5. The display device according to claim 1, wherein the display device is capable of reducing the brightness difference between the splicing seam and the display screen, and comprises: the light-emitting element group (3) is provided with 5 rows, each row is provided with one light-emitting element group (3), and each light-emitting element group (3) comprises 5 dot matrix display matrixes (301) arranged at equal intervals.

6. The display device according to claim 5, wherein the display device is capable of reducing the brightness difference between the splicing seam and the display screen, and comprises: the dot matrix display matrix (301) is a 980 x 540 matrix and is composed of light emitting diodes.

7. The display device according to claim 2, wherein the display device is capable of reducing the brightness difference between the splicing seam and the display screen, and comprises: the diffusion layer (4) covers the entire surface of the horizontal portion (102) facing away from the vertical portion (101).

8. The display device according to claim 7, wherein the display device is capable of reducing the brightness difference between the splicing seam and the display screen, and comprises: the diffusion layer (4) is shadowless glue doped with light scattering powder.

9. The display device according to claim 7, wherein the display device is capable of reducing the brightness difference between the splicing seam and the display screen, and comprises: the thickness of the diffusion layer (4) is between 1.8 mm and 2.3 mm.