CN214752696U - Face guard and LED module - Google Patents
Face guard and LED module Download PDFInfo
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- CN214752696U CN214752696U CN202120142690.XU CN202120142690U CN214752696U CN 214752696 U CN214752696 U CN 214752696U CN 202120142690 U CN202120142690 U CN 202120142690U CN 214752696 U CN214752696 U CN 214752696U
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- 239000000758 substrate Substances 0.000 claims abstract description 12
- 230000010287 polarization Effects 0.000 claims description 76
- 230000031700 light absorption Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 239000011358 absorbing material Substances 0.000 claims description 2
- 238000004020 luminiscence type Methods 0.000 abstract description 14
- 230000003014 reinforcing effect Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012528 membrane Substances 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
- 238000010030 laminating 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
- 238000000465 moulding Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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Abstract
The utility model provides a face guard and LED module, the LED module includes: the mask is arranged between the substrate and the polaroid, wherein the mask is of a whole grid structure and comprises a plurality of grid units, each grid unit is surrounded by a retaining wall, one end of each retaining wall extends towards the direction close to the center of the grid unit to form a supporting edge, the outer side of each supporting edge is provided with a flat supporting plane, and the LED light-emitting units are arranged in the grid units of the mask. Grid unit includes barricade and supports along in this scheme, supports along setting up the support plane, and the face guard can be used for the cover to establish the LED luminescence unit side at the LED module to outside grid unit cover located LED luminescence unit, wherein support the support plane on edge can be used for pasting and establish the polaroid, guarantees the accuracy of polaroid and LED luminescence unit's positional relation, and guarantees the polaroid and supports the stability of being connected on edge.
Description
Technical Field
The utility model belongs to the technical field of the display device, especially, relate to a face guard and LED module.
Background
The 3D display device generally includes an LED light emitting unit and a polarizer, the polarizer is disposed on a light emitting side of the LED light emitting unit, light emitted from the LED light emitting unit passes through the polarizer 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 position of the polarizer and the LED light emitting unit needs to be kept relatively fixed, but the structure form in the prior art cannot accurately and stably keep the position of the polarizer and the LED light emitting unit fixed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a face guard and LED module are provided, can be accurate stably with the position holding of polaroid and LED luminescence unit fixed, guarantee display quality.
In order to solve the technical problem, the utility model provides a realize like this, provide a face guard, wholly be the grid structure, it includes a plurality of net unit, every the net unit is enclosed by the barricade, the one end of barricade is close to the direction at net unit center is extended and is set up the support edge, the outside on support edge has flat supporting plane.
Further, each grid cell support is located in the same plane along the support plane of the outer side.
Further, the supporting edge of each grid unit is in a ring-shaped structure.
Further, the cross section of the grid unit is square.
Furthermore, each retaining wall is arranged in a split mode or is integrally formed.
Further, the retaining wall and the support are arranged along a split body or integrally formed.
Further, the retaining wall is made of light absorption materials or light reflection materials;
or, the inner wall of the retaining wall is provided with a light absorption film or a light reflection film.
Further, the projection area of the supporting edge of each grid unit is less than 20% of the area of the grid unit.
Further, an LED module is provided, which comprises a substrate, an LED light-emitting unit, the mask and a polarizer, wherein the mask is arranged between the substrate and the polarizer, and the LED light-emitting unit is arranged in the grid unit of the mask.
Furthermore, the polarizer comprises a first polarization unit and a second polarization unit, light emitted by the LED light-emitting unit passes through the first polarization unit to form first polarized light, and passes through the second polarization unit to form second polarized light, each first polarization unit is adjacent to at least two second polarization units, and each second polarization unit is adjacent to at least two first polarization units.
Further, the first polarization unit and the second polarization unit are alternately arranged in a first direction and a second direction, and the first direction is perpendicular to the second direction; or,
the first polarization units are continuously arranged in a first direction, the second polarization units are continuously arranged in the first direction, and the first polarization units and the second polarization units are alternately arranged in a second direction.
The utility model discloses well face guard and LED module compare with prior art, beneficial effect lies in:
grid unit includes barricade and supports along in this scheme, supports along setting up the support plane, and the face guard can be used for the cover to establish the LED luminescence unit side at the LED module to outside grid unit cover located LED luminescence unit, wherein support the support plane on edge can be used for pasting and establish the polaroid, guarantees the accuracy of polaroid and LED luminescence unit's positional relation, and guarantees the polaroid and supports the stability of being connected on edge.
Drawings
Fig. 1 is a schematic structural diagram of an LED module according to an embodiment of the present invention;
fig. 2 is a schematic diagram of the composition and arrangement of a polarizer 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 polarizer; 41. a first polarization unit; 42. and a second polarization unit.
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, the LED module includes: the mask comprises a substrate 1, an LED light-emitting unit 2, a mask 3 and a polarizer 4, wherein the mask 3 is arranged between the substrate 1 and the polarizer 4, the mask 3 is integrally of a grid structure and comprises a plurality of grid units 31, each grid unit 31 is surrounded by a retaining wall 311, one end of each retaining wall 311 extends towards the direction close to the center of each grid unit 31 to form a supporting edge 312, the outer side of each supporting edge 312 is provided with a flat supporting plane, and the LED light-emitting unit 2 is arranged in each grid unit 31 of the mask 3.
In the present embodiment, the supporting planes of the supporting edges 312 of the grid units 31 are in the same plane, so as to facilitate the mounting and fixing of the polarizer 4.
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.
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 embodiment, the retaining wall 311 is made of light absorbing material or light reflecting material; or be equipped with light absorption membrane or reflective membrane on barricade (311) inner wall, barricade 311 can block the illumination that LED luminescence unit 2 sent to adjacent LED luminescence unit 2 department, consequently, can prevent luminous mutual interference between the adjacent LED luminescence unit 2, guarantees the display effect, and in addition, barricade 311 can realize fixing and supporting polaroid 4 with supporting along 312 jointly, guarantees 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 polarizer 4 may be bonded to the supporting edge 312 by an optical adhesive bonding method, so that the bonding is stable. In some embodiments, the side of the supporting edge 312 away from the substrate 1 may be provided with a positioning groove, the supporting plane is located at the bottom of the positioning groove, the polarizer 4 is attached to the positioning groove, and the polarizer 4 may be flush with the notch of the positioning groove; in some embodiments, the support plane of the support rim 312 may protrude to form a limit rib, the edge of the polarizer 4 abuts against one side of the limit rib, and the polarizer 4 may be flush with the top side of the limit rib; through the mode that matches polaroid 4 and constant head tank or spacing arris, position accuracy when can guarantee polaroid 4 and support along 312 laminating improves the position precision between polaroid 4 and the LED luminescence unit 2 to improve the display quality of LED module. When the positioning groove is formed or the limit edge is arranged, the shape and the size of the positioning groove and the limit edge can be adaptively arranged according to the shape, the size, the thickness and the like of the polarizer 4.
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, the edge of the retaining wall 311 away from the substrate 1 extends inward to form a support edge 312, the support edge 312 of the same grid unit 31 forms a ring structure, and the support edge 312 and the retaining wall 311 have coincident central axes; the projected area of the supporting edge 312 of each grid unit 31 is less than 20%, such as 19%, 18%, 17%, 16%, 15%, 14%, 13%, 12%, 11%, 10%, 5%, etc., of the area of the grid unit 31, so as to ensure the light output while ensuring the supporting stability. Specifically, in the present application, the cross section of the grid unit 31 is square, 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; in some embodiments, the retaining wall 311 may be a circular ring structure, and correspondingly, the supporting edge 312 is also a circular ring structure. 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 polarizer 4 includes a first polarization unit 41 and a second polarization unit 42, light emitted by the LED light-emitting unit 2 passes through the first polarization unit 41 to form first polarized light, and passes through the second polarization unit 42 to form second polarized light, the polarization directions of the first polarization unit 41 and the second polarization unit 42 are different, each LED light-emitting unit 2 is correspondingly provided with a first polarization unit 41 or a second polarization unit 42, each first polarization unit 41 is adjacent to at least two second polarization units 42, and each second polarization unit is adjacent to at least two first polarization units 41; in this embodiment, when the first polarization unit 41 and the second polarization unit 42 are linear polarizers, the polarization directions of the first polarization unit 41 and the second polarization unit 42 are perpendicular to each other, and when the first polarization unit 41 and the second polarization unit 42 are circular polarizers, the first polarization unit 41 and the second polarization unit 42 may be left-handed circular polarized light and right-handed circular polarized light, respectively. Specifically, referring to fig. 2, the first polarization units 41 and the second polarization units 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 polarization units 41 and the second polarization units 42 are in a grid shape corresponding to the LED lighting unit 2, the first polarization units 41 and the second polarization units 42 may be in a rectangular shape or a square shape, the second polarization units 42 are arranged on four sides of each first polarization unit 41, and the first polarization units 41 are arranged on four sides of each second polarization unit 42; the first polarization units 41 are continuously arranged in the first direction, the second polarization units 42 are continuously arranged in the first direction, and the first polarization units 41 and the second polarization units 42 are alternately arranged in the second direction, that is, the first polarization units 41 and the second polarization units 42 are both in a strip structure, when the first polarization units 41 and the second polarization units 42 both extend in the vertical direction, the first polarization units 41 and the second polarization units 42 are alternately arranged in the transverse direction, and when the first polarization units 41 and the second polarization units 42 both extend in the transverse direction, the first polarization units 41 and the second polarization units 42 are alternately arranged in the vertical direction.
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 (11)
1. The mask is characterized in that the mask is of a grid structure integrally and comprises a plurality of grid units (31), each grid unit (31) is surrounded by a retaining wall (311), one end of each retaining wall (311) extends towards the direction close to the center of each grid unit (31) to form a support edge (312), and the outer side of each support edge (312) is provided with a flat support plane.
2. The mask according to claim 1, wherein each of the grid cells (31) is supported along a support plane outside (312) in the same plane.
3. The mask according to claim 1, wherein the support rim (312) of each grid cell (31) is of a ring-like configuration.
4. The mask according to claim 1, wherein the grid cells (31) are square in cross-section.
5. The mask according to claim 1, wherein each retaining wall (311) is separately provided or integrally formed.
6. The mask according to claim 1, wherein the retaining wall (311) and the supporting rim (312) are provided separately or integrally.
7. The mask according to claim 1, wherein the retaining wall (311) is made of a light absorbing material or a light reflecting material;
or, a light absorption film or a light reflection film is arranged on the inner wall of the retaining wall (311).
8. The mask according to claim 1, wherein the projected area of the support edge (312) of each grid cell (31) is less than 20% of the area of the grid cell (31).
9. An LED module comprising a substrate (1), an LED lighting unit (2), a face mask (3) according to any one of claims 1 to 8, and a polarizer (4), said face mask being arranged between said substrate (1) and said polarizer (4), said LED lighting unit (2) being arranged in a grid unit (31) of said face mask (3).
10. The LED module according to claim 9, wherein the polarizer (4) comprises a first polarization unit (41) and a second polarization unit (42), the light emitted from the LED light-emitting unit (2) passes through the first polarization unit (41) to form a first polarized light, and passes through the second polarization unit (42) to form a second polarized light, each of the first polarization units (41) is adjacent to at least two of the second polarization units (42), and each of the second polarization units is adjacent to at least two of the first polarization units (41).
11. The LED module according to claim 10, wherein the first and second light deflecting units (41, 42) are alternately arranged in a first direction and a second direction, the first direction being perpendicular to the second direction; or,
the first polarization units (41) are continuously arranged in a first direction, the second polarization units (42) are continuously arranged in the first direction, and the first polarization units (41) and the second polarization units (42) are alternately arranged in a second direction.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120142690.XU CN214752696U (en) | 2021-01-19 | 2021-01-19 | Face guard and LED module |
| EP22742189.8A EP4283381A1 (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 |
| PCT/CN2022/072750 WO2022156710A1 (en) | 2021-01-19 | 2022-01-19 | Mask, led module and display screen |
| 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 |
|---|---|---|---|
| CN202120142690.XU CN214752696U (en) | 2021-01-19 | 2021-01-19 | Face guard and LED module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214752696U true CN214752696U (en) | 2021-11-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120142690.XU Active CN214752696U (en) | 2021-01-19 | 2021-01-19 | Face guard and LED module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214752696U (en) |
Cited By (2)
| 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 |
| WO2023107890A1 (en) * | 2021-12-06 | 2023-06-15 | Lumileds Llc | Monolithic led array and method of manufacturing thereof |
-
2021
- 2021-01-19 CN CN202120142690.XU patent/CN214752696U/en active Active
Cited By (2)
| 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 |
| WO2023107890A1 (en) * | 2021-12-06 | 2023-06-15 | Lumileds Llc | Monolithic led array and method of manufacturing thereof |
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