CN110060579A - LED display module and LED mosaic display screen - Google Patents
LED display module and LED mosaic display screen Download PDFInfo
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- CN110060579A CN110060579A CN201910173209.0A CN201910173209A CN110060579A CN 110060579 A CN110060579 A CN 110060579A CN 201910173209 A CN201910173209 A CN 201910173209A CN 110060579 A CN110060579 A CN 110060579A
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- bound edge
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- shaped part
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Abstract
The present invention relates to a kind of LED display module and LED mosaic display screens, including LED lamp bead, lamp plate and bottom case, the LED lamp bead is set on the lamp plate, and it arranges on the lamp plate in array, the bottom case includes base plate, wedge-shaped part and bound edge, the base plate is oppositely arranged with the lamp plate, the wedge-shaped part is fixedly connected on the base plate, and it is connected to the bound edge, the bound edge is fixedly connected on the base plate, the bound edge and the base plate surround to form an accommodating chamber jointly, and the lamp plate is at least partially housed in accommodating chamber.LED mosaic display screen includes LED display module, by the way that wedge-shaped part is arranged on bottom case, and wedge-shaped part is made to be connected to bound edge, so that wedge-shaped part provides an outside support force for bound edge, when bound edge stress, since wedge-shaped part is fixedly connected on bottom case, can preventing bound edge, deformation occurs, improves the physical strength of bound edge.
Description
Technical field
The present invention relates to field of LED display, more particularly to a kind of LED display module and LED mosaic display screen.
Background technique
The extension of application field and the variation of the market demand, LED outdoor display screen no longer limit to advances in technology
In a little bigger spacing product, the LED outdoor display screen of more dot spacing for requiring to realize that high definition is shown.It is wanted to meet waterproof
It asks, design is to be embedded into lamp plate in bottom case used by LED outdoor display screen.When the point spacing of the lamp bead of display screen is small,
LED light point pitch requirements when to meet box body splicing, need to mold the very thin bottom case in boundary.In practical injection molding process, by
Thin in side wall, material flowability is poor, molding difficulty is big;And featheredge intensity difference, easily break it is curved, fracture, be unable to reach outdoor display screen
The requirement of bottom case.
Summary of the invention
Based on this, it is necessary to for the featheredge intensity difference of traditional LED display, easily break it is curved, fracture, be unable to reach outdoor aobvious
The problem of requirement of display screen bottom case, provides a kind of LED display module and LED mosaic display screen.
A kind of LED display module, including LED lamp bead, lamp plate and bottom case, the LED lamp bead are set on the lamp plate, and
It arranges on the lamp plate in array, the bottom case includes base plate, wedge-shaped part and bound edge, the base plate and the lamp plate
It is oppositely arranged, the wedge-shaped part is fixedly connected on the base plate, and is connected to the bound edge, and the bound edge is fixedly connected on institute
Base plate is stated, the bound edge and the base plate surround to form an accommodating chamber jointly, and the lamp plate is at least partially housed in receiving
It is intracavitary.
The bound edge and the wedge-shaped part are arranged along the edge of the base plate in one of the embodiments, described
Wedge-shaped part is set to the side at the center close to the base plate of the bound edge.
The bottom case further includes reinforcing rib in one of the embodiments, and the reinforcing rib is fixedly connected on the wedge shape
Portion, and it is connected to the bound edge;
The lamp plate corresponds to the reinforcing rib and is provided with multiple grooves, and the groove runs through the lamp in a thickness direction
Plate, when the lamp plate is fixed on the bottom case, the reinforcing rib is contained in the groove.
The reinforcing rib is provided with multiple in one of the embodiments, and multiple reinforcing ribs are along the bound edge
The setting of length direction interval.
The reinforcing rib and the wedge-shaped part and the bound edge are integrally formed in one of the embodiments,.
The bound edge and the base plate are integrally formed in one of the embodiments,;Alternatively, the bound edge and the wedge
Shape portion is integrally formed;Alternatively, the bound edge, the wedge-shaped part and the base plate are integrally formed setting.
The lamp plate includes display surface and the back side in one of the embodiments, and the LED lamp bead array is arranged in institute
It states on display surface, the back side includes mounting surface and multiple inclined-planes, and the mounting surface is oppositely arranged with the display surface, and described
The area of mounting surface is less than the area of the display surface, and the inclined-plane is located at the one of the close display surface of the mounting surface
Side, and the relatively described mounting surface has predetermined inclination angle, the inclined-plane is connected to the wedge-shaped part.
The display surface is connect with the mounting surface by the inclined-plane in one of the embodiments,;Or
The lamp plate further includes side, and the mounting surface is connected to the side, the side connection by the inclined-plane
In the inclined-plane and the display surface, the side is correspondingly arranged with the bound edge.
The tilt angle of the relatively described mounting surface in the inclined-plane is 45 ° in one of the embodiments,.
Above-mentioned LED display module, by the way that wedge-shaped part is arranged on bottom case, and makes wedge-shaped part be connected to bound edge, so that wedge-shaped
Portion provides an outside support force for bound edge, when bound edge stress, since wedge-shaped part is fixedly connected on bottom case, can prevent bound edge
Deformation occurs, improves the physical strength of bound edge.
A kind of LED mosaic display screen, including at least two LED display modules and splicing construction, two LED display modules
Between mutually spliced by the splicing construction, the LED display module is any of the above-described LED display module.
Above-mentioned LED mosaic display screen, by the way that wedge-shaped part is arranged on the bottom case of LED display module, and abuts wedge-shaped part
In bound edge, so that wedge-shaped part provides an outside support force for bound edge, when bound edge stress, since wedge-shaped part is fixedly connected on bottom
Shell, can preventing bound edge, deformation occurs, improves the physical strength of bound edge, meets the requirement of outdoor display screen bottom case.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the LED display module of one embodiment of the invention;
Fig. 2 is the configuration schematic diagram of the LED display module of one embodiment of the invention;
Fig. 3 is the structural schematic diagram of the lamp plate of the LED display module of one embodiment of the invention;
Fig. 4 is the schematic diagram of the section structure of the LED display module of one embodiment of the invention;
Fig. 5 is the structural schematic diagram of the LED display module of another embodiment of the present invention.
Specific embodiment
To facilitate the understanding of the present invention, a more comprehensive description of the invention is given in the following sections with reference to the relevant attached drawings.In attached drawing
Give better embodiment of the invention.But the invention can be realized in many different forms, however it is not limited to herein
Described embodiment.On the contrary, the purpose of providing these embodiments is that making to understand more the disclosure
Add thorough and comprehensive.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement for illustrative purposes only, are not meant to be the only embodiment.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more
Any and all combinations of relevant listed item.
Fig. 1 and Fig. 2 are please referred to, the structural representation of the LED display module 10 of one embodiment of the invention is illustratively shown
Wedge-shaped part 133 is arranged in figure, the LED module on bottom case 130, and wedge-shaped part 133 forms support to the bound edge 135 of bottom case 130,
The intensity of bound edge 135 is enhanced, the requirement of the bottom case 130 of outdoor display screen can be complied fully with.
As depicted in figs. 1 and 2, LED display module 10 may include LED lamp bead 110, lamp plate 120 and bottom case 130, LED
Lamp bead 110 is set on lamp plate 120, and is arranged on lamp plate 120 in array, and lamp plate 120 is fixedly connected on bottom case 130, and
It is at least partially embedded into bottom case 130, bottom case 130 is used as mounting base, and LED display module 10 is assembled to support by bottom case 130
LED display is formed on frame.
LED lamp bead 110 may include red light chips (R chip), green light chip (G chip), in blue chip (B chip)
It is at least one.In some embodiments, LED lamp bead 110 includes red light chips (R chip), green light chip (G chip) and blue light
Chip (B chip), full-color display may be implemented in LED lamp bead 110 as a result,.
LED lamp bead 110 can be single lamp bead, be also possible to compound lamp bead.So-called single lamp bead refers to LED lamp bead 110
It only include one group of RGB chip, so-called compound lamp bead refers to that LED lamp bead 110 includes multiple groups RGB chip, and RGB core inside lamp bead
The spacing of RGB chip between the spacing of piece and lamp bead is equal.For example, LED lamp bead 110 can be shining for 2*2 array arrangement
Chip.Certainly, arrangement of the luminescence chip on lamp body can also be other array arrangements, such as 3*3 array, 2*3 array, 3*
2 arrays etc..It when LED lamp bead 110 is compound lamp bead, is beneficial to reduce the pin number of LED lamp bead 110, while being conducive to will
LED lamp bead 110 is fixed on lamp plate 120.Certainly, may not be RGB chip in LED lamp bead 110, and only include R chip or
G chip or B chip perhaps R chip, G chip, any two kinds of combinations in B chip or increase again on the basis of RGB chip
Add other auxiliary display chips.
Printed circuit is provided on lamp plate 120, LED lamp bead 110 is electrically connected to driving assembly by printed circuit, to make
Driving assembly drives LED lamp bead 110 to shine, and driving assembly can be set in the side away from LED lamp bead 110 of lamp plate 120.
Please continue to refer to Fig. 3, lamp plate 120 may include display surface 121, the back side 123 and multiple sides 125, LED lamp bead
110 arrays are arranged on display surface 121, and the back side 123 includes mounting surface 1231 and multiple inclined-planes 1233, mounting surface 1231 and more
A inclined-plane 1233 is connected with each other, and mounting surface 1231 is oppositely arranged with display surface 121, and the area of mounting surface 1231 is less than display surface
121 area, inclined-plane 1233 is located at the side of the close display surface 121 of mounting surface 1231, and opposite mounting surface 1231 has in advance
If tilt angle, mounting surface 1231 is connected to side 125 by inclined-plane 1233, and side 125 is connected to inclined-plane 1233 and display surface
121。
In the particular embodiment, inclined-plane 1233 can be formed by cutting lamp plate 120, for example, in the back of lamp plate 120
Next wedge block is cut along side in face 123, so that 120 back side 123 of lamp plate after cutting is made to form mounting surface 1231 and inclined-plane 1233,
The area of mounting surface 1231 after the cutting of side is less than the area of display surface 121, and inclined-plane 1233 connects mounting surface 1231 and side
125。
In certain embodiments, according to the cutting degree of lamp plate 120, when along the side inclined cut of display surface 121,
Side 125 is cut completely, at this point, display surface 121 is connect with mounting surface 1231 by inclined-plane 1233.Certainly, art technology
Personnel are it is understood that can also be when forming lamp plate 120, straight forming mounting surface 1231 and inclined-plane 1233, it is only necessary to energy
Enough in 123 profiled ramp 1233 of the back side of lamp plate 120.
Inclined-plane 1233 can be 45 ° with respect to the tilt angle of mounting surface 1231, in favor of the molding on inclined-plane 1233.Certainly,
It is also possible to other any angles.
Bottom case 130 can be to be made of the rigid material withstanding forces with certain physics, for example, aluminium alloy, carbon can be used
Fiber material etc..For example, bottom case 130 can be made of carbon fibre material in order to reduce the weight of small spacing LED display module 10,
There can also be preferable heat dissipation performance while mitigating weight.Certainly, using the bottom case of aluminium alloy 130 can weight and at
A preferable balance is obtained between this control.
Fig. 2 and Fig. 4 are please referred to, bottom case 130 may include base plate 131, wedge-shaped part 133 and bound edge 135, base plate 131
It is oppositely arranged with lamp plate 120, wedge-shaped part 133 is set to the edge of base plate 131, and is fixedly connected on base plate 131, is connected to
Bound edge 135, bound edge 135 are fixedly connected on base plate 131, and bound edge 135 and base plate 131 surround to form an accommodating chamber, lamp jointly
Plate 120 is at least partially housed in accommodating chamber, when lamp plate 120 is fixed on bottom case 130, the side 125 of lamp plate 120 and bound edge
135 is corresponding, and the inclined-plane 1233 of lamp plate 120 is connected to wedge-shaped part 133.Wedge-shaped part 133 is that bound edge 135 provides strength support,
To avoid bound edge 135, in collision, deformation occurs, improves the physical strength of bound edge 135.
For example, bottom case 130 can be rectangular plate-like, bound edge 135 and wedge-shaped part 133 are set along the four edges of base plate 131
It sets, wedge-shaped part 133 is set to the side at the center of the close base plate 131 of bound edge 135, and wedge-shaped part 133 is connected to bound edge
135, as a result, when bound edge 135 bears the active force by the external a variety of different angles for being directed toward 131 center position of base plate, wedge
Shape portion 133 is that bound edge 135 provides support force, to prevent bound edge 135 from generating deformation.For example, when bound edge 135 is fixed on base plate
When 131, the lateral wall of bound edge 135 can with the side wall flush of base plate 131, in order to multiple and different LED display modules 10
Splicing.Bound edge 135 can be integrally formed with base plate 131, to prevent rainwater from penetrating the gap of bound edge 135 and base plate 131
It extend into LED display module 10, enhances the waterproof performance of LED display module 10.
In one or more embodiments, bound edge 135 and wedge-shaped part 133, which are integrally formed, is arranged, thus, it is possible to reduce bound edge
135 molding difficulty.When bound edge 135 and wedge-shaped part 133 are integrally formed, molding thin-walled portion is needed just there was only bound edge 135
The part of prominent wedge-shaped part 133, when comparing separately formed, the forming width of thin-walled is substantially reduced, to substantially reduce molding
Difficulty.For example, bound edge 135 is fixed in base plate 131 by wedge-shaped part 133, and can be in wedge-shaped part 133 and base plate
131 intersection carries out water-proofing treatment, to realize waterproof.
In some embodiments, bound edge 135, wedge-shaped part 133, base plate 131 are integrally formed setting, thus, it is possible to realize
The waterproof of bottom case 130, while can have preferable supporting role to the physical strength of bound edge 135.
Referring to Fig. 4, in one or more embodiments, bottom case 130 further includes reinforcing rib 137, reinforcing rib 137 is fixed
It is connected to wedge-shaped part 133, and is connected to bound edge 135.Reinforcing rib 137 can be set multiple, and multiple reinforcing ribs 137 are along bound edge
135 length direction interval setting.For example, reinforcing rib 137 can be arranged perpendicular to base plate 131, and with wedge-shaped part 133, packet
Side 135 is integrally formed setting.By be arranged reinforcing rib 137, the stress of bound edge 135 can be further enhanced, when bound edge 135 by
When power, 137 stress of reinforcing rib simultaneously provides a reversed support force, is connected between multiple reinforcing ribs 137 by wedge-shaped part 133, energy
It is enough that preferable support is realized to bound edge 135, and prevent the deformation in stress of bound edge 135.
Fig. 2 and Fig. 3 are please referred to, reinforcing rib 137 is corresponded on lamp plate 120 can be set multiple grooves 127, and groove 127 exists
Through the display surface 121 of lamp plate 120 and the back side 123, when lamp plate 120 is fixed on bottom case 130, reinforcing rib 137 on thickness direction
It is contained in groove 127.By the way that groove 127 is arranged, the cooperation tightness of bottom case 130 Yu lamp plate 120 can be enhanced, while to lamp
Plate 120 plays the role of orientation direction.
Referring to Fig. 5, in one or more embodiments, bottom case 130 can also include cooling fin 139, cooling fin 139 is solid
Surely it is connected to base plate 131, hollow hole 131a, the corresponding hollow hole of cooling fin 139 has can be set in the intermediate region of base plate 131
131a setting.As a result, on the one hand hollow hole 131a can provide parking space for the electronic component at 120 back side 123 of lamp plate,
On the other hand, at work, lamp plate 120 can discharge amount of heat to LED lamp bead 110, can directly be carried out by cooling fin 139 scattered
Heat enhances the heat dissipation performance of LED display module 10.In order to realize the waterproof of bottom case 130, the side hollow hole 131a of base plate 131
Annular groove has can be set in edge, and annular groove is arranged around hollow hole 131a, and water proof ring can be set in annular groove, worked as cooling fin
139 when being fixed on base plate 131, presses water proof ring and realizes waterproof.
Above-mentioned LED display module 10 by the way that wedge-shaped part 133 is arranged on bottom case 130, and makes wedge-shaped part 133 be connected to packet
Side 135, so that wedge-shaped part 133 is that bound edge 135 provides an outside support force, when 135 stress of bound edge, due to wedge-shaped part 133
It is fixedly connected on bottom case 130, can preventing bound edge 135, deformation occurs, improves the physical strength of bound edge 135.
Furthermore, it is possible to by setting reinforcing rib 137, and make wedge-shaped part 133, bound edge 135, the one of base plate 131 at
Type can further promote the physical strength support to bound edge 135.
One embodiment of the invention also provides a kind of LED mosaic display screen, including at least two LED display modules and splicing knot
Structure is mutually spliced by splicing construction between two LED display modules, and LED display module is described in any of the above-described embodiment
LED display module 10.
Above-mentioned LED mosaic display screen, by the way that wedge-shaped part is arranged on the bottom case of LED display module, and abuts wedge-shaped part
In bound edge, so that wedge-shaped part provides an outside support force for bound edge, when bound edge stress, since wedge-shaped part is fixedly connected on bottom
Shell, can preventing bound edge, deformation occurs, improves the physical strength of bound edge, meets the requirement of outdoor display screen bottom case.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of LED display module, including LED lamp bead, lamp plate and bottom case, the LED lamp bead are set on the lamp plate, and
It arranges on the lamp plate in array, which is characterized in that the bottom case includes base plate, wedge-shaped part and bound edge, the base plate
It is oppositely arranged with the lamp plate, the wedge-shaped part is fixedly connected on the base plate, and is connected to the bound edge, and the bound edge is solid
Surely it is connected to the base plate, the bound edge and the base plate surround to form an accommodating chamber jointly, and the lamp plate is at least partly
It is contained in accommodating chamber.
2. LED display module according to claim 1, which is characterized in that the bound edge and the wedge-shaped part are along described
The edge of base plate is arranged, and the wedge-shaped part is set to the side at the center close to the base plate of the bound edge.
3. LED display module according to claim 1, which is characterized in that the bottom case further includes reinforcing rib, the reinforcement
Muscle is fixedly connected on the wedge-shaped part, and is connected to the bound edge;
The lamp plate corresponds to the reinforcing rib and is provided with multiple grooves, and the groove runs through the lamp plate in a thickness direction, when
When the lamp plate is fixed on the bottom case, the reinforcing rib is contained in the groove.
4. LED display module according to claim 3, which is characterized in that the reinforcing rib be provided with it is multiple, it is multiple described
Reinforcing rib is arranged along the length direction interval of the bound edge.
5. LED display module according to claim 3, which is characterized in that the reinforcing rib and the wedge-shaped part and described
Bound edge is integrally formed.
6. LED display module according to claim 1, which is characterized in that the bound edge and the base plate are integrally formed;
Alternatively, the bound edge and the wedge-shaped part are integrally formed;Alternatively, the bound edge, the wedge-shaped part and the base plate one at
Type setting.
7. LED display module according to claim 1-6, which is characterized in that the lamp plate include display surface and
The back side, the LED lamp bead array are arranged on the display surface, and the back side includes mounting surface and multiple inclined-planes, the peace
Dress face is oppositely arranged with the display surface, and the area of the mounting surface is less than the area of the display surface, and the inclined-plane is located at
The side close to the display surface of the mounting surface, and the relatively described mounting surface has predetermined inclination angle, the inclined-plane supports
It is connected to the wedge-shaped part.
8. LED display module according to claim 7, which is characterized in that the display surface and the mounting surface pass through institute
State inclined-plane connection;Or
The lamp plate further includes side, and the mounting surface is connected to the side by the inclined-plane, and the side is connected to institute
Inclined-plane and the display surface are stated, the side is correspondingly arranged with the bound edge.
9. LED display module according to claim 7, which is characterized in that the inclination of the relatively described mounting surface in the inclined-plane
Angle is 45 °.
10. a kind of LED mosaic display screen, including at least two LED display modules and splicing construction, two LED display modules it
Between mutually spliced by the splicing construction, which is characterized in that the LED display module is described in any one of claim 1-9
LED display module.
Priority Applications (1)
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CN201910173209.0A CN110060579A (en) | 2019-03-07 | 2019-03-07 | LED display module and LED mosaic display screen |
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CN201910173209.0A CN110060579A (en) | 2019-03-07 | 2019-03-07 | LED display module and LED mosaic display screen |
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ID=67316682
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CN201910173209.0A Pending CN110060579A (en) | 2019-03-07 | 2019-03-07 | LED display module and LED mosaic display screen |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111724705A (en) * | 2020-07-30 | 2020-09-29 | 利亚德智慧显示(深圳)有限公司 | Light-emitting module |
CN111862837A (en) * | 2020-07-22 | 2020-10-30 | 利亚德智慧显示(深圳)有限公司 | Display screen and processing method thereof |
WO2023142211A1 (en) * | 2022-01-27 | 2023-08-03 | 惠州华星光电显示有限公司 | Tiled display module and display device |
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WO2023142211A1 (en) * | 2022-01-27 | 2023-08-03 | 惠州华星光电显示有限公司 | Tiled display module and display device |
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