CN214312475U - LED display module and display screen - Google Patents
LED display module and display screen Download PDFInfo
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- CN214312475U CN214312475U CN202120150652.9U CN202120150652U CN214312475U CN 214312475 U CN214312475 U CN 214312475U CN 202120150652 U CN202120150652 U CN 202120150652U CN 214312475 U CN214312475 U CN 214312475U
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- 230000010287 polarization Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 239000004033 plastic Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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Abstract
The utility model provides a LED display module assembly and display screen, display screen include LED display module assembly, and LED display module assembly includes: the base plate, LED luminescence unit, face guard and polarisation layer, one side of base plate is equipped with a plurality of LED luminescence unit, the face guard includes that the outer grid unit of each LED luminescence unit is located to the cover one by one, the polarisation layer includes first polaroid and second polaroid, the light that LED luminescence unit sent forms first polarized light through first polaroid, form second polarized light through the second polaroid, all paste on each grid unit and be equipped with first polaroid or second polaroid, each first polaroid is all adjacent with a second polaroid at least, each second polaroid is all adjacent with a first polaroid at least. The polarizing layer adopts the design of non-integral sheets, but the first polarizing sheet or the second polarizing sheet corresponds to each grid unit, so that the polarizing effect can be better ensured, the using amount of polarizing materials can be reduced, and the material cost is reduced.
Description
Technical Field
The utility model belongs to the technical field of the display device, especially, relate to a LED display module assembly and display screen.
Background
The 3D display device generally includes an LED light emitting unit and a polarizing layer, the polarizing layer is disposed on a light emitting side of the LED light emitting unit, light emitted from the LED light emitting unit passes through the polarizing layer to obtain light in a specific polarization direction, and left and right eyes of a viewer respectively view light in different polarization directions, so that a three-dimensional effect can be viewed. In the related art, the polarizing layer is usually formed by disposing a whole polarizer on one side of the LED light-emitting unit, however, in this way, on one hand, some regions of the polarizer are easily not corresponding to the corresponding LED light-emitting unit, which results in poor polarizing effect, and on the other hand, the polarizing material is used and the cost is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a LED display module assembly and display screen are provided, the polarisation layer adopts the design of non-integer piece, but first polaroid or second polaroid are corresponding with each net unit, assurance polarisation effect that can be better, and can reduce the use amount of polarisation material in order to reduce material cost.
In order to solve the above technical problem, the utility model relates to a realize like this, a LED display module assembly, include: the LED light-emitting device comprises a substrate, LED light-emitting units, a face mask and a polarizing layer, wherein one side of the substrate is provided with a plurality of LED light-emitting units, the face mask comprises grid units which are sleeved one by one outside the LED light-emitting units, the polarizing layer comprises a first polarizing plate and a second polarizing plate, light emitted by the LED light-emitting units forms first polarized light through the first polarizing plate, forms second polarized light through the second polarizing plate, and is attached to the grid units, the first polarizing plate or the second polarizing plate is attached to the grid units, and each of the first polarizing plate and the second polarizing plate is at least adjacent to each other.
Furthermore, each grid unit is separately provided with one first polarizer or one second polarizer, the first polarizer and the second polarizer are alternately arranged in a first direction and a second direction, and the first direction is perpendicular to the second direction.
Furthermore, each grid unit is separately provided with one first polarizer or one second polarizer, the first polarizers are continuously arranged in the first direction, the second polarizers are continuously arranged in the first direction, and the first polarizers and the second polarizers are alternately arranged in the second direction.
Furthermore, the grid unit comprises a plurality of rows of the first polaroids and the second polaroids which are both in a strip shape, the first polaroids or the second polaroids are attached to the grid unit in the same row together, and the first polaroids and the second polaroids are alternately arranged in the width direction.
Further, the polarizing layer is a linear polarizing layer, the first polarizer and the second polarizer are reflective polarizers, and the reflective surface faces the LED light emitting unit.
Furthermore, the side of the grid unit far away from the substrate is provided with a flat supporting plane, and the first polarizer or the second polarizer is attached to the supporting plane.
Further, every the net unit is enclosed by the barricade, keeping away from of barricade the base plate end is towards being close to the direction of net unit center extends to set up supports and follows, the support plane is located support along keep away from the base plate side, each net unit supports and lies in the coplanar along the support plane in the outside.
Further, the supporting edge of each grid unit is in a ring-shaped structure.
Furthermore, each retaining wall is arranged in a split manner or is integrally formed; the retaining wall and the support are arranged along a split body or integrally formed.
Further, a display screen is provided, which comprises the LED display module.
The utility model discloses well LED display module assembly and display screen compare with prior art, beneficial effect lies in:
in the scheme, the polarizing layer is designed to be an incomplete sheet, and the first polarizing sheet and the second polarizing sheet correspond to each grid unit, so that the polarizing effect can be better ensured, and the using amount of polarizing materials can be reduced so as to reduce the material cost.
Drawings
Fig. 1 is a schematic structural diagram of an LED display module according to an embodiment of the present invention;
fig. 2 is a schematic diagram of the composition and arrangement of a polarizing layer in one form in an embodiment of the present invention.
In the drawings, each reference numeral denotes: 1. a substrate; 2. an LED light emitting unit; 3. a face mask; 31. a grid cell; 311. retaining walls; 312. a support edge; 4. a polarizing layer; 41. a first polarizer; 42. a second polarizer.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example (b):
in this embodiment, as shown in fig. 1-2, a display screen is provided, which includes an LED display module, wherein the LED display module includes: the LED light-emitting device comprises a substrate 1, LED light-emitting units 2, a face mask 3 and a polarizing layer 4, wherein one side of the substrate 1 is provided with a plurality of LED light-emitting units 2, the face mask 3 comprises grid units 31 which are sleeved outside the LED light-emitting units 2 one by one, the polarizing layer 4 comprises first polarizing plates 41 and second polarizing plates 42, light rays emitted by the LED light-emitting units 2 form first polarized light through the first polarizing plates 41, second polarized light is formed through the second polarizing plates 42, each grid unit 31 is provided with the first polarizing plates 41 or the second polarizing plates 42 in an attached mode, each first polarizing plate 41 is at least adjacent to one second polarizing plate 42, and each second polarizing plate 42 is at least adjacent to one first polarizing plate 41.
In the scheme, the polarizing layer 4 is designed to be an non-integral sheet, and the first polarizing sheet 41 and the second polarizing sheet 42 correspond to each grid unit 31, so that the polarizing effect can be better ensured, and the use amount of polarizing materials can be reduced to reduce the material cost.
The grid unit 31 has a flat supporting plane on the side away from the substrate 1, the first polarizer 41 or the second polarizer 42 is attached to the supporting plane, and a first polarizer 41 or a second polarizer 42 may be attached to the supporting plane of each grid unit 31. In some embodiments, the first polarizer 41 and the second polarizer 42 are alternately arranged in a first direction and a second direction, the first direction is perpendicular to the second direction, that is, the first polarizer 41 and the second polarizer 42 are both in a grid shape corresponding to the LED light emitting unit 2, the first polarizer 41 and the second polarizer 42 may be rectangular or square, four sides of each first polarizer 41 are the second polarizer 42, and four sides of each second polarizer 42 are the first polarizers 41; in some embodiments, the first polarizing plates 41 are continuously arranged in the first direction, the second polarizing plates 42 are continuously arranged in the first direction, and the first polarizing plates 41 and the second polarizing plates 42 are alternately arranged in the second direction. In this embodiment, when the first polarizer 41 and the second polarizer 42 are both linear polarizers, the polarization directions of the first polarizer 41 and the second polarizer 42 are perpendicular to each other, and when the first polarizer 41 and the second polarizer 42 are circular polarizers, the first polarizer 41 and the second polarizer 42 may be a left-handed circular polarization and a right-handed circular polarization, respectively.
The grid unit 31 includes a plurality of rows, specifically, arranged in a rectangular array, the grid unit 31 includes a plurality of rows, the first polarizer 41 and the second polarizer 42 are both in a strip shape, the first polarizer 41 or the second polarizer 42 is attached to the supporting plane of the same row of grid unit 31, and the first polarizer 41 and the second polarizer 42 are alternately arranged in the width direction. That is, the first polarizer 41 and the second polarizer 42 are both strip-shaped structures, the first polarizer 41 and the second polarizer 42 may both extend in the vertical direction, the first polarizer 41 and the second polarizer 42 may be alternately arranged in the transverse direction, and when the first polarizer 41 and the second polarizer 42 both extend in the transverse direction, the first polarizer 41 and the second polarizer 42 may be alternately arranged in the vertical direction.
The polarizing layer 4 is a linear polarizing layer, the first polarizer 41 and the second polarizer 42 are reflective polarizers, and the reflective surface faces the LED light emitting unit 2. The reflective polarizer can improve the light emitting efficiency and the display effect.
Each retaining wall 311 is provided separately or integrally formed. Specifically, when the LED units are arranged in a split manner, each LED light-emitting unit 2 corresponds to one single retaining wall 311, each LED light-emitting unit 2 is sleeved with one retaining wall 311 when being assembled, and the retaining walls 311 corresponding to the adjacent LED light-emitting units 2 are adjacent; when the retaining walls 311 are integrally formed, the adjacent retaining walls 311 are connected into a whole, and when the method is adopted, the face cover 3 is a whole, so long as the face cover 3 and the substrate 1 are positioned, the retaining walls 311 are sleeved on the outer sides of the corresponding LED light-emitting units 2, the position accuracy is ensured, the assembling is more convenient and faster, and the assembling efficiency is improved.
In this embodiment, the edge of the retaining wall 311 away from the substrate 1 extends inward to form a supporting edge 312, and the supporting edge 312 of the same grid unit 31 forms a ring structure. Specifically, in the present application, the retaining wall 311 is a square ring structure, and correspondingly, the supporting edge 312 is also a square ring structure and extends inward; in some embodiments, the retaining wall 311 may be a rectangular ring structure, and correspondingly, the supporting edge 312 is also a rectangular ring structure, and the retaining wall 311 may be a circular ring structure, and correspondingly, the supporting edge 312 is also a circular ring structure, and the supporting edge 312 is coaxial with the retaining wall 311 according to the actual shape of the first polarizer 41 and the second polarizer 42. The shape of the retaining wall 311 and the shape of the supporting edge 312 can be adaptively set according to practical situations, and are not limited herein.
The retaining wall 311 and the supporting edge 312 may be separately arranged or integrally connected. Specifically, when the retaining wall 311 and the supporting edge 312 are separately arranged, that is, the retaining wall 311 and the supporting edge 312 are separate structures, the method is divided into various cases, for example: 1. all the retaining walls 311 are connected into a whole, all the supporting edges 312 are connected into a whole and correspond to the positions of the retaining walls 311 one by one, the supporting edges 312 are covered on the side, far away from the base plate 1, of the retaining wall 311 and positioned during assembly, so that the corresponding relation between all the supporting edges 312 and the retaining walls 311 can be ensured, the assembly is convenient and rapid, 2, all the retaining walls 311 are of independent structures, all the supporting edges 312 are of independent structures, at the moment, the supporting edges 312 are required to be assembled with the retaining walls 311 one by one, 3, all the retaining walls 311 are of independent structures, all the supporting edges 312 are connected into a whole, the retaining walls 311 are assembled with the base plate 1 firstly, and then the supporting edges 312 are assembled with the base plate 1, so that the supporting edges 312 correspond to the retaining walls 311; when the retaining wall 311 and the supporting edge 312 are integrally connected, the retaining wall 311 and the supporting edge 312 may be integrally formed as a whole by referring to the arrangement manner of the grid unit 31 which is separately arranged or integrally connected.
In this scheme, the retaining wall 311 can block the illumination that the LED light-emitting unit 2 sent to adjacent LED light-emitting unit 2, therefore, can prevent luminous mutual interference between adjacent LED light-emitting units 2, guarantee the display effect, in addition, retaining wall 311 can realize jointly along 312 with supporting the fixing and supporting of polarisation layer 4, guarantee the reliability of LED module.
In this embodiment, the side of the supporting edge 312 away from the substrate 1 is a planar structure, and the polarizing layer 4 can be attached to the supporting edge 312 by optical adhesive bonding, so that the attachment is stable. In some embodiments, a positioning groove may be formed on the side of the supporting edge 312 away from the substrate 1, the supporting plane is located at the bottom of the positioning groove, the first polarizer 41 or the second polarizer 42 is attached to the positioning groove, and the first polarizer 41 or the second polarizer 42 may be flush with the notch of the positioning groove; in some embodiments, a limit rib may be formed on the supporting plane of the supporting edge 312 in a protruding manner, an edge of the first polarizer 41 or the second polarizer 42 abuts against one side of the limit rib, and the first polarizer 41 or the second polarizer 42 may be flush with a top side of the limit rib; by matching the first polarizer 41 or the second polarizer 42 with the positioning slot or the limiting edge, the position accuracy of the first polarizer 41 or the second polarizer 42 when being attached to the supporting edge 312 can be ensured, and the position accuracy between the first polarizer 41 or the second polarizer 42 and the LED light-emitting unit 2 is improved, so that the display quality of the LED module is improved. When the positioning groove is formed or the position-limiting rib is formed, the shape and size of the positioning groove and the position-limiting rib may be adaptively set according to the shape, size, thickness, etc. of the first polarizer 41 or the second polarizer 42.
The inner wall of the retaining wall 311 may be provided with reinforcing ribs connected to the supporting rim 312. Specifically, the reinforcing ribs may be disposed at intervals along the opening edge of the retaining wall 311 near the supporting edge 312, and the reinforcing ribs are perpendicular to the inner wall of the retaining wall 311, preferably, the reinforcing ribs are disposed at intervals, and may be triangular, when the retaining wall 311 and the supporting edge 312 are disposed separately, the reinforcing ribs abut against the inner side of the supporting edge 312, and when the retaining wall 311 and the supporting edge 312 are disposed integrally, the reinforcing ribs and the supporting edge 312 are connected into a whole.
In this embodiment, an injection mold is further provided for forming the mask 3, the injection mold includes a first mold plate and a second mold plate, a mold cavity is formed when the first mold plate and the second mold plate are closed, the mold cavity includes a first cavity channel and a second cavity channel, the first cavity channel is matched with the retaining wall 311, and the second cavity channel is communicated with the first cavity channel and matched with the supporting edge 312. Through above-mentioned injection mold, the first chamber way can form barricade 311 during moulding plastics, and the second chamber way can form and support along 312 to can process out face guard 3, process face guard 3 through the injection moulding mode and can improve machining efficiency, reduce the processing cost.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a LED display module assembly which characterized in that includes: a substrate (1), an LED light-emitting unit (2), a face mask (3) and a polarizing layer (4), one side of the substrate (1) is provided with a plurality of LED light-emitting units (2), the face mask (3) comprises grid units (31) which are sleeved outside the LED light-emitting units (2) one by one, the polarizing layer (4) comprises a first polarizing sheet (41) and a second polarizing sheet (42), the LED light-emitting unit (2) emits light, the light passes through a first polaroid (41) to form first polarized light, the light passes through a second polaroid (42) to form second polarized light, the first polaroid (41) or the second polaroid (42) are attached to each grid unit (31), each first polaroid (41) is at least adjacent to the second polaroid (42), and each second polaroid (42) is at least adjacent to the first polaroid (41).
2. The LED display module according to claim 1, wherein each grid unit (31) is individually attached with one of the first polarizer (41) and the second polarizer (42), and the first polarizer (41) and the second polarizer (42) are alternately arranged in a first direction and a second direction, wherein the first direction is perpendicular to the second direction.
3. The LED display module of claim 1, wherein each grid unit (31) is individually attached with one of the first polarizer (41) and the second polarizer (42), the first polarizer (41) is continuously arranged in a first direction, the second polarizer (42) is continuously arranged in the first direction, and the first polarizer (41) and the second polarizer (42) are alternately arranged in a second direction.
4. The LED display module according to claim 1, wherein the grid unit (31) comprises a plurality of rows, the first polarizer (41) and the second polarizer (42) are both strip-shaped, the grid unit (31) in the same row is commonly attached with the first polarizer (41) or the second polarizer (42), and the first polarizer (41) and the second polarizer (42) are alternately arranged in the width direction.
5. The LED display module according to any of claims 1-4, wherein the polarizing layer (4) is a linear polarizing layer, the first (41) and second (42) polarizers are reflective polarizers, and the reflective surface faces the LED light emitting unit (2).
6. The LED display module according to claim 1, wherein the grid unit (31) has a flat support plane on the side facing away from the substrate (1), and the first polarizer (41) or the second polarizer (42) is attached to the support plane.
7. The LED display module according to claim 6, wherein each grid unit (31) is surrounded by a retaining wall (311), the end of the retaining wall (311) far away from the substrate (1) extends towards the direction close to the center of the grid unit (31) to form a supporting edge (312), the supporting plane is located on the side, far away from the substrate (1), of the supporting edge (312), and the supporting planes of the outer sides of the supporting edges (312) of the grid units (31) are located in the same plane.
8. The LED display module according to claim 7, wherein the supporting edge (312) of each grid cell (31) is in a ring structure.
9. The LED display module according to claim 7, wherein each retaining wall (311) is separately arranged or integrally formed; the retaining wall (311) and the supporting edge (312) are arranged in a split mode or are integrally formed.
10. A display screen, comprising the LED display module according to any one of claims 1 to 9.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120150652.9U CN214312475U (en) | 2021-01-19 | 2021-01-19 | LED display module and display screen |
| EP22742189.8A EP4283381A1 (en) | 2021-01-19 | 2022-01-19 | Mask, led module and display screen |
| PCT/CN2022/072750 WO2022156710A1 (en) | 2021-01-19 | 2022-01-19 | Mask, led module and display screen |
| KR1020237025890A KR20230127300A (en) | 2021-01-19 | 2022-01-19 | Mask and LED module |
| US18/223,538 US20230359060A1 (en) | 2021-01-19 | 2023-07-18 | Mask and led module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120150652.9U CN214312475U (en) | 2021-01-19 | 2021-01-19 | LED display module and display screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214312475U true CN214312475U (en) | 2021-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120150652.9U Active CN214312475U (en) | 2021-01-19 | 2021-01-19 | LED display module and display screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214312475U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022156710A1 (en) * | 2021-01-19 | 2022-07-28 | 深圳市时代华影科技股份有限公司 | Mask, led module and display screen |
-
2021
- 2021-01-19 CN CN202120150652.9U patent/CN214312475U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022156710A1 (en) * | 2021-01-19 | 2022-07-28 | 深圳市时代华影科技股份有限公司 | Mask, led module and display screen |
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