CN213815319U - LED substrate splicing structure - Google Patents
LED substrate splicing structure Download PDFInfo
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- CN213815319U CN213815319U CN202023254549.3U CN202023254549U CN213815319U CN 213815319 U CN213815319 U CN 213815319U CN 202023254549 U CN202023254549 U CN 202023254549U CN 213815319 U CN213815319 U CN 213815319U
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Abstract
The utility model discloses a LED base plate mosaic structure, include: a back plate; the LED substrates comprise at least two LED substrates which are arranged on the back plate side by side, and a first reflecting layer is arranged on one surface of each LED substrate, which faces away from the back plate; the two ends of the connecting piece are respectively connected with the adjacent LED substrates, and a second reflecting layer with the same reflectivity as the first reflecting layer is arranged on one surface of the back plate back to the connecting piece. Through setting up the connecting piece is right concatenation seam between the LED base plate is connected spacingly, and is right simultaneously the structure of second reflection stratum supports, and sets up the reflectivity on first reflection stratum with the reflectivity on second reflection stratum is the same for reflection of light rate between the adjacent LED base plate with the reflectivity of LED base plate is the same, avoids forming the shady and dark face between the adjacent LED base plate, and overall structure's light-emitting is more even, and visual effect is better.
Description
Technical Field
The utility model relates to a show technical field, especially relate to a LED base plate mosaic structure.
Background
The Mini LED backlight technology has the characteristics of ultra-wide color gamut, high contrast and thinness, and has become the key point for the future development of various manufacturers in the display industry. Competitive research and layout of various manufacturers in the display industry become an industry hotspot, and various Mini LED backlight display terminal devices are launched in succession, including notebooks, monitors, TVs and vehicle-mounted displays. At present, the Mini LED large-size lamp panel basically adopts a PCB substrate and a glass substrate, wherein the glass substrate can be wired on glass only by adopting a semiconductor complex process, and the price is high in a short period without the possibility of mass production, so that most of the Mini LED large-size lamp panels adopt the traditional PCB substrate with low price. The large-size application is realized, just can realize together with a plurality of lamp plates concatenation, and need leave certain concatenation clearance because of the expend with heat and contract with cold characteristic of PCB base plate self between lamp plate and the lamp plate, the PCB of width about 250mm calculates according to the coefficient of thermal expansion and need leave 0.3 mm's clearance just can avoid closing on the safety problem of PCB board expend with heat and jack-up. For example, the 75-inch lamp panels are required to be spliced by 14 lamp panels, so that 7 splicing seams in transverse and vertical directions are generated.
Due to the rough edges of the lamp panels at the two sides of the splicing seam and the low reflectivity of the lamp panels, the visual effect of the splicing seam is darker than that of the gap of the lamp beads in the normal LED substrate, a visual dark surface is formed, and the subjective visual effect is seriously influenced.
Therefore, the prior art needs to be improved.
SUMMERY OF THE UTILITY MODEL
In order to solve among the prior art splicing seam department can be more normal LED base plate in lamp pearl clearance department look to imitate dark partially, form the vision hidden surface, seriously influence the subjective problem of looking the effect, the utility model provides a LED base plate mosaic structure makes can not cause the vision hidden surface to make overall structure visual effect better between the splicing seam.
The utility model discloses a following technical scheme realizes:
the utility model provides a LED base plate mosaic structure, include:
a back plate;
the LED substrates comprise at least two LED substrates which are arranged on the back plate side by side, and a first reflecting layer is arranged on one surface of each LED substrate, which faces away from the back plate;
the two ends of the connecting piece are respectively connected with the adjacent LED substrates, and a second reflecting layer with the same reflectivity as the first reflecting layer is arranged on one surface of the back plate back to the connecting piece.
Through setting up the connecting piece is right concatenation seam between the LED base plate is connected spacingly, and is right simultaneously the structure of second reflection stratum supports, and sets up the reflectivity on first reflection stratum with the reflectivity on second reflection stratum is the same for reflection of light rate between the adjacent LED base plate with the reflectivity of LED base plate is the same, avoids forming the shady and dark face between the adjacent LED base plate, and overall structure's light-emitting is more even, and visual effect is better.
In one embodiment of the present invention, the connecting member is an elastic connecting member, and the connecting member is disposed between the LED substrates and connected to the two opposite sides of the LED substrates.
Through setting up the connecting piece is located adjacently between the LED base plate respectively with the both sides that the LED base plate is relative are connected, make the connecting piece with the upper surface connecting piece of LED base plate is more level and more smooth, and then makes the light-emitting effect of LED base plate is better, just the connecting piece is elastic connecting piece, makes the connecting piece has elasticity and can change along with the expend with heat and contract with cold of LED base plate for connecting piece connection effect between the adjacent LED base plate is not influenced by the change.
In one embodiment of the present invention, the first reflective layer is a silk-screen white oil layer.
In one embodiment of the present invention, the second reflective layer is flush with the first reflective layer.
Through setting up the second reflection stratum with first reflection stratum parallel and level further make the connecting piece with the upper surface connecting piece of LED base plate is more level and more smooth, and then makes the light-emitting effect of LED base plate is better.
In one embodiment of the present invention, the connecting member faces away from one side of the back plate and is provided with an astigmatic structure, and the second reflective layer is disposed on the astigmatic structure.
Through setting up astigmatic structure for the connecting piece is right the even effect of light is better, avoids the light of connecting piece department is inhomogeneous, and further perfect is looked the effect.
The utility model discloses an in one of them embodiment, the connecting piece is the white glue, and the white glue is dorsad the one side of backplate is equipped with the astigmatism structure, the upper surface of astigmatism structure forms the second reflection stratum.
Through setting up the connecting piece is the white glue, can form the connecting piece between adjacent LED base plate through the mode of gluing, fills the patchwork seam, makes the installation of LED base plate is more stable, and has certain elasticity after the white glue solidification and can change along with the expend with heat and contract with cold of lamp plate, and the filling effect does not receive the change, just the white glue with the reflectivity of white oil is the same, the upper surface of connecting piece just can form the second radiation layer, just astigmatism structure can realize setting up through the mode of impression, makes setting up of astigmatism structure is more convenient.
In one embodiment of the present invention, the light scattering structure comprises four-sided cones adjacently disposed, and adjacent to each other, the bases of the four-sided cones are connected.
Through setting up astigmatism structure includes the four sides toper of adjacent setting, and is adjacent four sides toper base meets, makes astigmatism effect is better.
In one embodiment of the present invention, the supporting column is disposed on the LED substrate, and the supporting column is disposed on the back plate.
The LED substrate is further limited by the support column, so that the LED substrate is more stably mounted.
The utility model discloses an in one of them embodiment, the connecting piece includes connecting portion and scattered light portion, connecting portion locate adjacently LED base plate below with respectively press from both sides establish with between LED base plate and the backplate, scattered light portion locates between the adjacent backplate, the second reflection stratum is located scattered light portion dorsad one side of backplate.
The connecting piece comprises the connecting part and the light scattering part, the light scattering part is installed between the splicing seams by the connecting part, and meanwhile, the connecting part is arranged below the adjacent LED substrate and is respectively clamped between the LED substrate and the back plate, so that the connecting piece is more stably installed, and the connecting piece is prevented from falling off due to expansion caused by heat and contraction caused by cold of the LED substrate; make the connecting piece right through setting up scattered light portion the even effect of light is better, avoids the light of connecting piece department is inhomogeneous, and further perfect is looked the effect.
The utility model discloses an in one of them embodiment, light scattering portion is the prism that sets up side by side, be equipped with a plurality of mini LED lamp on the LED base plate.
The beneficial effects of the utility model reside in that:
through setting up the connecting piece is right concatenation seam between the LED base plate is connected spacingly, and is right simultaneously the structure of second reflection stratum supports, and sets up the reflectivity on first reflection stratum with the reflectivity on second reflection stratum is the same for reflection of light rate between the adjacent LED base plate with the reflectivity of LED base plate is the same, avoids forming the shady and dark face between the adjacent LED base plate, and overall structure's light-emitting is more even, and visual effect is better.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of an LED substrate splicing structure of the present invention;
fig. 2 is a partial structural schematic view of an embodiment of an LED substrate splicing structure of the present invention;
fig. 3 is a partial structure schematic diagram of another embodiment of the splicing structure of the LED substrate of the present invention.
In the figure: 1. backplate, 2, LED base plate, 20, first reflection stratum, 21, support column, 22, mini LED lamp, 3, connecting piece, 30, second reflection stratum, 31, astigmatic structure, 32, astigmatic portion, 33, connecting portion.
Detailed Description
In order to make the objects, technical solutions and effects of the present invention clearer and clearer, the following description of the present invention will refer to the accompanying drawings and illustrate embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.
Because the large-size LED lamp plate has a plurality of lamp plates (the LED base plate that is equipped with the LED lamp) concatenation together generally, and need leave certain concatenation clearance because of the expend with heat and contract with cold characteristic of LED base plate self between lamp plate and the lamp plate, the LED base plate of a width about 250mm calculates according to the coefficient of thermal expansion and need leave 0.3 mm's clearance just can avoid closing on the safety problem of LED base plate expend with heat and jack-up. For example, the 75-inch lamp panels are required to be spliced by 14 lamp panels, so that 7 splicing seams in transverse and vertical directions are generated.
Light dark side can appear very easily between two concatenation seams, in order to solve this problem, the utility model provides a LED base plate mosaic structure, through setting up the connecting piece is right concatenation seam between the LED base plate is connected spacingly, and is right simultaneously the structure of second reflection stratum supports, and sets up the reflectivity of first reflection stratum with the reflectivity of second reflection stratum is the same for reflection of light rate between the adjacent LED base plate with the reflectivity of LED base plate is the same, avoids forming the dark side between the adjacent LED base plate, and overall structure's light-emitting is more even, and visual effect is better.
Specific embodiments are described below:
referring to fig. 1 and 2, the present embodiment provides an LED substrate mosaic structure, including: a back plate 1; the LED backlight module comprises an LED substrate 2 and a connecting piece 3, wherein the LED substrate 2 comprises at least two LED substrates which are arranged on a back plate 1 side by side, and a first reflecting layer 20 is arranged on one surface of the LED substrate 2, which is back to the back plate 1; the two ends of the connecting piece 3 are respectively connected with the adjacent LED substrates 2, and a second reflecting layer 30 with the same reflectivity as that of the first reflecting layer 20 is arranged on one surface of the connecting piece 3 back to the back plate 1.
Through setting up connecting piece 3 is right splice seam between the LED base plate 2 is connected spacingly, and is right simultaneously the structure of second reflection stratum 30 supports, and sets up the reflectivity of first reflection stratum 20 with the reflectivity of second reflection stratum 30 is the same for reflection of light rate between the adjacent LED base plate 2 with the reflectivity of LED base plate 2 is the same, avoids forming the dark face between the adjacent LED base plate 2, and overall structure's light-emitting is more even, and visual effect is better.
Specifically, the back plate 1 is a mounting member for mounting the LED substrate 2, the LED substrate 2 is generally a pcb, a glass plate or a flexible PET plate, and can be selected according to a use environment, and in this embodiment, the LED substrate 2 is a pcb.
Specifically, the number of the LED substrates 2 may be selected and arranged according to the required size, and the shapes of the LED substrates 2 may be rectangles, squares, polygons and the like having the same or different structures, or irregular patterns matching with each other.
Specifically, the LED substrate 2 is provided with a plurality of mini LED lamps 22.
Further, on the basis of the above embodiment, the first reflective layer 20 is a silk-screen white oil layer. And silk-screen printing white oil on the upper surface of the LED substrate 2 in a silk-screen printing mode, wherein the upper surface is the surface of the LED substrate 2 on which the LED lamp is arranged. The light reflection of the LED substrate 2 can be increased by arranging the first reflecting layer 20, so that the brightness intensity is increased, and the brightness of the LED substrate 2 is more uniform and bright.
Specifically, in other embodiments of the present invention, the first reflective layer 20 may also be other reflective material layers such as a black oil layer for silk screen printing.
Further, on the basis of the above embodiment, the second reflective layer 30 is flush with the first reflective layer 20.
Through setting up second reflection stratum 30 with first reflection stratum 20 parallel and level further make connecting piece 3 with the upper surface connecting piece 3 of LED base plate 2 is more level and more smooth, and then makes LED base plate 2's light-emitting effect is better.
Specifically, the second reflective layer 30 may also be a silk-screen white oil layer that is the same as the first reflective layer 20, or a silk-screen black oil layer, or the like, as long as in order to realize that the first reflective layer 20 does not have the same light reflectivity of the second reflective layer 30, the brightness is prevented from being uneven, the visual effect is prevented from being affected, and the product quality is poor.
Further, on the basis of the above embodiment, the side of the connecting member 3 facing away from the back plate 1 is provided with the light scattering structure 31, and the second reflective layer 30 is provided on the light scattering structure 31. Through setting up astigmatic structure 31 for connecting piece 3 is right the even effect of light is better, avoids the light of 3 departments of connecting piece is inhomogeneous, further perfects and looks the effect.
Specifically, the light diffusion structure 31 is mainly used for realizing the divergence of light rays, and the light diffusion structure 31 may be a prism, a cone, or a pyramid structure arranged side by side. In the present embodiment, the light diffusion structure 31 includes four-sided pyramids adjacently disposed, and the adjacent four-sided pyramids are connected at the bottom. Through setting up astigmatism structure 31 includes the four sides toper of adjacent setting, and adjacent four sides toper base meets for astigmatism effect is better.
Further, on the basis of the above embodiment, the connecting members 3 are elastic connecting members 3, and the connecting members 3 are disposed between the adjacent LED substrates 2 and connected to two opposite sides of the LED substrates 2, respectively.
Through setting up connecting piece 3 is located adjacently between the LED base plate 2 respectively with the both sides that LED base plate 2 is relative are connected, make connecting piece 3 with the upper surface connecting piece 3 of LED base plate 2 is more level and more smooth, and then makes LED base plate 2's light-emitting effect is better, just connecting piece 3 is elastic connection spare 3, makes connecting piece 3 has elasticity and can change along with the expend with heat and contract with cold of LED base plate 2 for 3 connection effect of connecting piece between the adjacent LED base plate 2 do not receive the change influence.
Specifically, the connecting member 3 may be a rubber member with a connecting bayonet or an adhesive, and specifically, in this embodiment, the connecting member 3 is a white adhesive, a light scattering structure 31 is disposed on a surface of the white adhesive opposite to the back plate 1, and the second reflective layer 30 is formed on an upper surface of the light scattering structure 31.
Through setting up connecting piece 3 is the white glue, can form connecting piece 3 between adjacent LED base plate 2 through the mode of gluing, fills the splice seam, makes LED base plate 2's installation is more stable, and has certain elasticity after the white glue solidification and can change along with the expend with heat and contract with cold of lamp plate, and the filling effect does not receive the change, just the white glue with the reflectivity of white oil is the same, the upper surface of connecting piece 3 just can form the second radiation layer, just astigmatism structure 31 can realize setting through the mode of impression, makes astigmatism structure 31's setting is more convenient. The whole structure is more simple and convenient.
Referring to fig. 3, in another embodiment of the present invention, the connecting member 3 may also be a non-elastic connecting member 3. The LED backlight module comprises a connecting part 33 and a light scattering part 32, wherein the connecting part 33 is arranged below the adjacent LED substrate 2 and is respectively clamped between the LED substrate 2 and the back plate 1, the light scattering part 32 is arranged between the adjacent back plates 1, and the second reflecting layer 30 is arranged on one side of the light scattering part 32, which is back to the back plate 1.
The connecting piece 3 comprises the connecting part 33 and the light scattering part 32, the light scattering part 32 is installed between splicing seams by arranging the connecting part 33, and meanwhile, the connecting part 33 is arranged below the adjacent LED substrate 2 and is respectively clamped between the LED substrate 2 and the back plate 1, so that the connecting piece 3 is more stably installed, and the connecting piece 3 is prevented from falling off due to expansion caused by heat and contraction caused by cold of the LED substrate 2; make connecting piece 3 right through setting up scattered light portion 32 the even effect of light is better, avoids the light of connecting piece 3 department is inhomogeneous, further perfects and looks the effect.
Specifically, the light scattering part 32 may be the same as the light scattering structure 31 in the above embodiment, the upper surface of the light scattering part 32 may be flush with, higher than or lower than the first reflective layer 20, and the like, and specifically, may be adjusted according to actual requirements, the upper surface of the light scattering structure 31 and the second reflective layer 30 having the same reflectivity as the first reflective layer 20 make the connecting member 3 have a better uniform effect on the light by providing the light scattering part 32, avoid the light at the connecting member 3 from being non-uniform, and further improve the visual effect.
Specifically, the light scattering portions 32 are prisms arranged side by side in this embodiment
Further, on the basis of the above embodiment, a support column 21 is arranged on the LED substrate 2, and the support column 21 is connected to the back plate 1 in a penetrating manner. The LED substrate 2 is further limited by the support column 21, so that the LED substrate 2 is more stably mounted.
Specifically, the support column 21 can with backplate 1 passes through bolt limit connection, or it is spacing through the joint, mainly used realizes LED base plate 2 with backplate 1's spacing, makes LED base plate 2's installation is more stable.
The utility model provides a LED base plate mosaic structure, through setting up connecting piece 3 is right concatenation seam between the LED base plate 2 is connected spacingly, and is right simultaneously the structure of second reflection stratum 30 supports, and sets up the reflectivity of first reflection stratum 20 with the reflectivity of second reflection stratum 30 is the same for reflection of light rate between the adjacent LED base plate 2 with LED base plate 2's reflectivity is the same, avoids forming the dark face between the adjacent LED base plate 2, and overall structure's light-emitting is more even, and visual effect is better.
It is to be understood that the invention is not limited to the above-described embodiments, and that modifications and variations may be made by those skilled in the art in light of the above teachings, and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
Claims (10)
1. An LED substrate mosaic structure, comprising:
a back plate;
the LED substrates comprise at least two LED substrates which are arranged on the back plate side by side, and a first reflecting layer is arranged on one surface of each LED substrate, which faces away from the back plate;
the two ends of the connecting piece are respectively connected with the adjacent LED substrates, and a second reflecting layer with the same reflectivity as the first reflecting layer is arranged on one surface of the back plate back to the connecting piece.
2. The LED substrate splicing structure of claim 1, wherein the connecting members are elastic connecting members, and the connecting members are arranged between the adjacent LED substrates and are respectively connected with two opposite sides of the LED substrates.
3. The LED substrate splicing structure of claim 1, wherein the first reflective layer is a silk-screen white oil layer.
4. The LED substrate splicing structure of claim 1 or 2, wherein the second reflective layer is flush with the first reflective layer.
5. The LED substrate splicing structure of claim 1 or 2, wherein a side of the connecting member facing away from the back plate is provided with a light scattering structure, and the second reflective layer is provided on the light scattering structure.
6. The LED substrate splicing structure of claim 5, wherein the connecting member is white glue, a light scattering structure is disposed on a surface of the white glue opposite to the back plate, and the second reflective layer is formed on an upper surface of the light scattering structure.
7. The LED substrate splicing structure of claim 5, wherein the light scattering structures comprise four-sided pyramids which are adjacently arranged, and the bases of the four-sided pyramids which are adjacent to each other are connected.
8. The LED substrate splicing structure of claim 1, wherein a support post is arranged on the LED substrate and penetrates through the support post to be connected with the back plate.
9. The LED substrate splicing structure of claim 1, wherein the connecting member comprises a connecting portion and a light scattering portion, the connecting portion is disposed below the adjacent LED substrate and sandwiched between the LED substrate and the back plate, the light scattering portion is disposed between the adjacent back plates, and the second reflective layer is disposed on a side of the light scattering portion opposite to the back plate.
10. The LED substrate splicing structure of claim 9, wherein the light scattering part is a prism arranged side by side, and a plurality of mini LED lamps are arranged on the LED substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023254549.3U CN213815319U (en) | 2020-12-29 | 2020-12-29 | LED substrate splicing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023254549.3U CN213815319U (en) | 2020-12-29 | 2020-12-29 | LED substrate splicing structure |
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| Publication Number | Publication Date |
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| CN213815319U true CN213815319U (en) | 2021-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202023254549.3U Active CN213815319U (en) | 2020-12-29 | 2020-12-29 | LED substrate splicing structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113990211A (en) * | 2021-11-15 | 2022-01-28 | Tcl华星光电技术有限公司 | Display screen and display device |
| CN114178130A (en) * | 2021-11-01 | 2022-03-15 | 深圳博悦智能有限公司 | Manufacturing method of large-size circuit board |
-
2020
- 2020-12-29 CN CN202023254549.3U patent/CN213815319U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114178130A (en) * | 2021-11-01 | 2022-03-15 | 深圳博悦智能有限公司 | Manufacturing method of large-size circuit board |
| CN113990211A (en) * | 2021-11-15 | 2022-01-28 | Tcl华星光电技术有限公司 | Display screen and display device |
| CN113990211B (en) * | 2021-11-15 | 2022-11-01 | Tcl华星光电技术有限公司 | Display screen and display device |
| US11959604B2 (en) | 2021-11-15 | 2024-04-16 | Tcl China Star Optoelectronics Technology Co., Ltd. | Display screen and display device |
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