CN102314812A - LED (Light-Emitting Diode) display screen - Google Patents
LED (Light-Emitting Diode) display screen Download PDFInfo
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- CN102314812A CN102314812A CN201110249137A CN201110249137A CN102314812A CN 102314812 A CN102314812 A CN 102314812A CN 201110249137 A CN201110249137 A CN 201110249137A CN 201110249137 A CN201110249137 A CN 201110249137A CN 102314812 A CN102314812 A CN 102314812A
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Abstract
The invention relates to an LED (Light-Emitting Diode) display screen, which comprises a plurality of light-source modules, wherein the light-source modules are spliced together, each light-source module comprises an LED module, the LED module comprises a circuit board and a plurality of LEDs which are installed on the circuit board, each light-source module also comprises a protecting seat for installing the LED module, the protecting seat comprises a soleplate and a lateral wall which extends in the same direction with the circumferential edge of the soleplate, the LED module is installed on the soleplate, a glue-pouring space is formed between the circuit board of the LED module and the lateral wall of the protecting seat, casting glue is filled in the glue-pouring space to form a casting-glue layer, and the LEDs of the LED module are embedded in the casting-glue layer. The LED modules of the LED display screen are installed on the protecting seats, and the casting glue is filled in the glue-pouring spaces between the circuit boards and the lateral walls of the protecting seats, so that the protection level of each light-source module reaches more than IP65.
Description
Technical field
The present invention relates to a kind of LED lighting device, particularly a kind of LED display.
Background technology
LED (light emitting diode) receives widely with luminescence efficiency height, long service life, characteristics safe and reliable and environmental protection and energy saving and paying attention to.A kind of important means that LED display is propagated as information; Become the sign of urban information modernization construction; Constantly perfect along with socioeconomic continuous progress and LED display technique, people will more and more go deep into the understanding of LED display, and its application will be more and more wider.
The LED display industry all is to accomplish assembling through a plurality of module connecting methods at present, and after encapsulating was all carried out in the front of each module, a plurality of then modules spliced on a casing, and the reverse side of this module can be exposed to the outside.When ambient humidity is too high; When perhaps difference variation is big; The globule that congeals into easily on the reverse side of the pcb board of module carries out oxidation to the LED lamp base, and normal operation is affected to product; The high energy of the degree of protection of this LED display reaches the degree of protection of IP54, can not satisfy outdoor rugged environment and use.
Summary of the invention
In view of this, be necessary to provide a kind of LED display of high-protection level.
LED display of the present invention is achieved in that a kind of LED display; It comprises the some light source modules that are stitched together; Each light source module comprises a light emitting diode module; Said light emitting diode module comprises a circuit board and is installed on the some LED on the said circuit board, and each light source module also comprises the protection seat that supplies said light emitting diode module to install, and said protection seat comprises a base plate and the sidewall that is extended in the same way by the periphery of said base plate; Said light emitting diode module is installed on the said base plate; The sidewall of the circuit board of said light emitting diode module and said protection seat forms an encapsulating space, fills casting glue in the said encapsulating space to form an embedding glue-line, and the LED of said light emitting diode module is embedded in the embedding glue-line.
The light emitting diode module of said LED display is installed on the protection seat, and is filled in through casting glue in the encapsulating space between the sidewall of circuit board and said protection seat, makes the light source module reach the degree of protection more than the IP65.
Description of drawings
Fig. 1 is the three-dimensional assembly diagram of light source module of the LED display of one embodiment of the invention.
Fig. 2 is the enlarged drawing at the circle A place of Fig. 1.
Fig. 3 is the three-dimensional exploded view of another angle of Fig. 1.
Fig. 4 is the enlarged drawing at the circle B place of Fig. 3.
Fig. 5 is the vertical view of Fig. 1.
Fig. 6 is the cutaway view Amplified image along the VI-VI line of Fig. 5.
Fig. 7 is the cutaway view Amplified image along the VII-VII line of Fig. 5.
Fig. 8 is the inversion figure of another angle of Fig. 1.
Embodiment
In order to make the object of the invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
See also Fig. 1 and Fig. 2, the LED of one embodiment of the invention (light emitting diode) display screen comprises the some light source modules 100 that are stitched together.Each light source module 100 is strip structure.Each light source module 100 comprises a protection seat 10 and is installed on the light emitting diode module 30 on this protection seat 10.
Please consult Fig. 3 to Fig. 7 simultaneously, the connector 34 that said light emitting diode module 30 comprises a circuit board 31, is installed on the some LED 32 on the said circuit board 31 and electrically connects with said circuit board 31.When said light emitting diode module 30 is installed on 10 last times of said protection seat, said circuit board 31 forms an encapsulating space 33 with the periphery of said protection seat 10.Fill casting glue in the said encapsulating space 33 to form an embedding glue-line 36.The LED 32 of said light emitting diode module 30 is embedded in the embedding glue-line 36.In the present embodiment, the end face of said LED 32 is concordant with the end face of said embedding glue-line 36.The bottom surface of said circuit board 31 plurality of chips (IC) 37 that is sticked.Be folded with some thermal conductive silicon films 38 between the bottom of said chip 37 and said protection seat 10.
Said protection seat 10 is one-body molded by the good material of heat conductivilitys such as aluminium alloy, kirsite, iron, steel, copper.In the present embodiment, said protection seat 10 aluminium alloy material die casts, in other embodiments, said protection seat 10 can process through numerical control machining center.In the present embodiment, said protection seat 10 comprise a base plate 11, the some heating columns 13 that extend along four sidewalls 12 that extend in the same way perpendicular to base plate 11 directions, by this base plate 11 by said base plate 11 peripheries and the some erection columns 16 that extend by this base plate 11.The bearing of trend of said heating column 13 and erection column 16 is identical with the bearing of trend of said sidewall 12.Each heating column 13 offers a through hole 14.This through hole 14 connects the base plate 11 of said heating column 13 and said protection seat 10.The height of said heating column 13 is greater than the height of said erection column 16.The top of said heating column 13 is concordant with the top of the sidewall 12 of said protection seat 10.The end face of said embedding glue-line 36 is concordant with the top of the sidewall 12 of said protection seat 10.When said light emitting diode module 30 is installed on said protection 10 a last time, said circuit board 31 and the said said encapsulating of the sidewall 12 formation space 33 of protecting seat 10.Folder is established said thermal conductive silicon film 38 between the base plate 11 of said chip 37 and said protection seat 10.
A perforation 15 is offered at middle part on said protection seat 10 length directions, electrically connects with said circuit board 31 so that said connector 34 passes this perforation 15.In the present embodiment, said perforation 15 is a square opening.The bottom surface of the base plate 11 of said protection seat 10 is outward extended with threaded column 39, is used for the connection of whole LED display screen.
Offer some mounting holes 35 on the circuit board 31 of said light emitting diode module 30.Said mounting hole 35 is between said LED 32, and is and corresponding one by one with the heating column 13 of said protection seat 10.The aperture of said mounting hole 35 is slightly larger than the external diameter of said heating column 13, so that said heating column 13 can pass said mounting hole 35.
In the installation process of said light source module 100, a thermal conductive silicon film 38 (as shown in Figure 6) at first is sticked on the base plate 11 of said protection seat 10.Then; The mounting hole 35 of the circuit board 31 of said light emitting diode module 30 is corresponding with the heating column 13 of said protection seat 10; Circuit board 31 passes heating column 13 and is installed in the protection seat 10, and on the said erection column 16 on the said protection seat 10, accomplishes the fixing of light emitting diode module 30 through some locking part 50 screw locks.At this moment, said thermal conductive silicon film 38 is sandwiched between the chip 37 and said base plate 11 of said circuit board 31, with on heat transferred to the base plate 11 on the said circuit board 31.Then, fill casting glues in the said encapsulating space 33.Said casting glue is filled in the encapsulating space 33.At this moment, the end face of the top of the top of the sidewall 12 of the end face of said embedding glue-line 36, said protection seat 10, said heating column 13 and said LED 32 is all concordant.Please consult Fig. 8 simultaneously; Said connector 34 is fixed in the perforation 15 of said protection seat 10; One end and the said circuit board 31 of connector 34 are electrically connected; The other end of connector 34 protrudes out the base plate 11 of said protection seat 10, so that be connected with other exterior electrical components, reaches the purpose that power supply and communication are provided.Be provided with water proof ring between said connector 34 and the said perforation 15.
In the present embodiment, said locking part 50 is a screw.Said casting glue is organic silica gel, epoxide-resin glue, polyurethane adhesive or AB glue.
The light source module 100 of LED display of the present invention is after said light emitting diode module 30 is accomplished installation; Casting glue covers the slit of said circuit board 31, said locking part 50, said circuit board 31 and the sidewall 12 of said protection seat 10; Make and to receive dust, foreign object; The place of moisture and water influence all covers, and makes light source module 100 reach the above degree of protection of IP65.
In addition, the effect of the through hole 14 of said protection seat 10 has three, and one of which increases the contact area of protection seat 10 and surrounding air, and the heat that makes said light emitting diode module 30 produce is able to effectively distribute, and has improved radiating efficiency; Its two, playing ventilative and reduce the effect of windage, strengthen the wind loading rating of light source module 100; Its three, play the effect of printing opacity, be beneficial to LED display daylighting behind.
More than be merely preferred embodiment of the present invention,, all any modifications of within spirit of the present invention and principle, being done, be equal to and replace and improvement etc., all should be included within protection scope of the present invention not in order to restriction the present invention.
Claims (10)
1. LED display; It comprises the some light source modules that are stitched together; Each light source module comprises a light emitting diode module; Said light emitting diode module comprises a circuit board and is installed on the some LED on the said circuit board, it is characterized in that: each light source module also comprises the protection seat that supplies said light emitting diode module to install, and said protection seat comprises a base plate and the sidewall that is extended in the same way by the periphery of said base plate; Said light emitting diode module is installed on the said base plate; The sidewall of the circuit board of said light emitting diode module and said protection seat forms an encapsulating space, fills casting glue in the said encapsulating space to form an embedding glue-line, and the LED of said light emitting diode module is embedded in the embedding glue-line.
2. LED display as claimed in claim 1 is characterized in that: the end face of said embedding glue-line is concordant with the top of the sidewall of the protection seat of said light source module.
3. LED display as claimed in claim 1 is characterized in that: the end face of said embedding glue-line is concordant with the end face of the LED of said light emitting diode module.
4. like any described LED display of claim 1 to 3, it is characterized in that: said protection seat also comprises the some heating columns that extended by said base plate, and said heating column passes the circuit board of said light emitting diode module and stretches in the embedding glue-line.
5. LED display as claimed in claim 4 is characterized in that: the heating column of said protection seat is offered through hole, and said through hole connects the base plate of said heating column and said protection seat.
6. LED display as claimed in claim 4 is characterized in that: the top of the heating column of said protection seat is concordant with the end face of said embedding glue-line.
7. LED display as claimed in claim 4 is characterized in that: said protection seat is one-body molded by Heat Conduction Material.
8. LED display as claimed in claim 7 is characterized in that: said protection seat is one-body molded by aluminum alloy materials.
9. LED display as claimed in claim 4; It is characterized in that: said light source module also comprises a connector; The base plate of said protection seat is offered a perforation; Said connector is embedded in the said perforation, and an end of said connector and the circuit board of said light emitting diode module electrically connect, and the other end of said connector protrudes out said base plate.
10. LED display as claimed in claim 4 is characterized in that: on the circuit board of said light emitting diode module chip is set, folder is established a thermal conductive silicon film between the base plate of said chip and said protection seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110249137.7A CN102314812B (en) | 2011-08-26 | 2011-08-26 | LED (Light-Emitting Diode) display screen |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110249137.7A CN102314812B (en) | 2011-08-26 | 2011-08-26 | LED (Light-Emitting Diode) display screen |
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| Publication Number | Publication Date |
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| CN102314812A true CN102314812A (en) | 2012-01-11 |
| CN102314812B CN102314812B (en) | 2014-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110249137.7A Expired - Fee Related CN102314812B (en) | 2011-08-26 | 2011-08-26 | LED (Light-Emitting Diode) display screen |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102930785A (en) * | 2012-09-26 | 2013-02-13 | 惠州雷曼光电科技有限公司 | LED (Light-Emitting Diode) display module |
| CN103280164A (en) * | 2013-05-30 | 2013-09-04 | 创维光电科技(深圳)有限公司 | Led display screen module and led display screen |
| CN108898969A (en) * | 2018-08-27 | 2018-11-27 | 利亚德电视技术有限公司 | display screen |
| US10248372B2 (en) | 2013-12-31 | 2019-04-02 | Ultravision Technologies, Llc | Modular display panels |
| US10373535B2 (en) | 2013-12-31 | 2019-08-06 | Ultravision Technologies, Llc | Modular display panel |
| CN110176190A (en) * | 2019-06-17 | 2019-08-27 | 深圳市洲明科技股份有限公司 | The preparation method and LED display of LED display module |
| US10706770B2 (en) | 2014-07-16 | 2020-07-07 | Ultravision Technologies, Llc | Display system having module display panel with circuitry for bidirectional communication |
| CN111477121A (en) * | 2020-05-26 | 2020-07-31 | 深圳市洲明科技股份有限公司 | Manufacturing method of L ED display screen |
| US10891881B2 (en) | 2012-07-30 | 2021-01-12 | Ultravision Technologies, Llc | Lighting assembly with LEDs and optical elements |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US10891881B2 (en) | 2012-07-30 | 2021-01-12 | Ultravision Technologies, Llc | Lighting assembly with LEDs and optical elements |
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| US10540917B2 (en) | 2013-12-31 | 2020-01-21 | Ultravision Technologies, Llc | Modular display panel |
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| US10871932B2 (en) | 2013-12-31 | 2020-12-22 | Ultravision Technologies, Llc | Modular display panels |
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| CN110176190A (en) * | 2019-06-17 | 2019-08-27 | 深圳市洲明科技股份有限公司 | The preparation method and LED display of LED display module |
| CN111477121A (en) * | 2020-05-26 | 2020-07-31 | 深圳市洲明科技股份有限公司 | Manufacturing method of L ED display screen |
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|---|---|
| CN102314812B (en) | 2014-03-12 |
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