CN203910189U - Outdoor LED (Light Emitting Diode) display screen - Google Patents
Outdoor LED (Light Emitting Diode) display screen Download PDFInfo
- Publication number
- CN203910189U CN203910189U CN201420118174.3U CN201420118174U CN203910189U CN 203910189 U CN203910189 U CN 203910189U CN 201420118174 U CN201420118174 U CN 201420118174U CN 203910189 U CN203910189 U CN 203910189U
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- Prior art keywords
- led
- display screen
- long
- outdoor
- afterglow fluorescent
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Links
- 230000000694 effects Effects 0.000 claims abstract description 12
- 239000011159 matrix material Substances 0.000 claims abstract description 4
- 229910002114 biscuit porcelain Inorganic materials 0.000 claims description 31
- 238000004020 luminiscence type Methods 0.000 claims description 23
- 241001025261 Neoraja caerulea Species 0.000 claims description 10
- 239000000843 powder Substances 0.000 abstract description 22
- 238000005034 decoration Methods 0.000 abstract description 2
- 241000287107 Passer Species 0.000 abstract 1
- 238000000034 method Methods 0.000 description 7
- 230000037452 priming Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 3
- 239000002966 varnish Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- PRPAGESBURMWTI-UHFFFAOYSA-N [C].[F] Chemical compound [C].[F] PRPAGESBURMWTI-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 150000004645 aluminates Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 238000007761 roller coating Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Illuminated Signs And Luminous Advertising (AREA)
Abstract
The utility model discloses an outdoor LED (Light Emitting Diode) display screen. The outdoor LED display screen comprises a box body and a mask, wherein the mask is arranged at the front end of the box body and is provided with an LED array consisting of a plurality of LED light emitting units in matrix arrangement; the outer surface of the mask is locally or wholly provided with a long-afterglow fluorescent powder layer which can be excited by light emitted by the LED light emitting units. After the display screen is turned off at night, fluorescent powder of the long-afterglow fluorescent powder layer is excited by the LED light emitting units to emit light before the display screen is turned off, and after the LED light emitting units are turned off, the environment of the LED display screen is generally blacker, so that the appearance of the screen retains patterns or words with certain length of time still for reading, appreciation and watching by passers on streets and roads correspondingly, and the effects of advertisement, bulletining and decoration are further achieved.
Description
Technical field
The utility model relates to a kind of LED application technology, especially a kind of outdoor LED display screen.
Background technology
Outdoor LED display screen, because it has power saving, convenience, the advantage such as reliable, is widely used in open air, outdoor.The use of LED display at present, when to the late into the night time, because of people passing on street, road less, thereby after can being arranged in certain time, be the work of this LED display of Close All, to save electricity consumption, avoid the waste of supporting, until rework again the next morning, realize its main function.
Just because of this, after LED display is closed at night, this place becomes a black place, without any effect, is the equal of the alternative wasting of resources.Therefore, how can further make full use of this display screen, become an important topic.
Summary of the invention
In order to solve the above problems, the purpose of this utility model is to provide a kind of outdoor LED display screen that further enriches function, improves result of use.
The technical scheme that the invention for solving the technical problem adopts is:
A kind of outdoor LED display screen, comprise casing, be arranged on the face shield of casing front end, the LED array being comprised of the some LED luminescence units that are matrix arrangements on face shield, the outside surface of face shield is local or be all provided with the long-afterglow fluorescent bisque that the light that sent by aforementioned LED luminescence unit excites.
Preferably, on described face shield, have at LED luminescence unit upside the brim of a hat contiguous with this LED luminescence unit.
Preferably, described long-afterglow fluorescent bisque is arranged at the brim of a hat outside surface of face shield.Further, described long-afterglow fluorescent bisque is arranged at the downside of the brim of a hat, and the luminous bottom that can be irradiated to the brim of a hat of LED, fills energy to it.Fluorescent powder is applied to the bottom of the brim of a hat, can strengthen the exposure intensity of blue led to it, also can reduce the impact on fluorescent powder of sunshine and surround lighting, in order to avoid noctilucence is shown and to be disturbed out of controlly, picture causes confusion.
Preferably, described long-afterglow fluorescent bisque can also be the panel outer surface that is arranged at face shield, as long as its position can be subject to the light of LED, excites.
Preferably, described long-afterglow fluorescent bisque is arranged on the outside surface local location of face shield, and forms word and/or pattern modelling, has both saved phosphor material powder, also can be directly luminous by the long-afterglow fluorescent bisque on this local location, being used as to decorate, advertisement.
Preferably, each LED luminescence unit is RGB luminescence unit, consists of respectively red-light LED, green light LED and blue-ray LED.Further, long-afterglow fluorescent bisque is adjacent to sent light to this long-afterglow fluorescent bisque the strongest LED place of effect that is stimulated.Such as, the fluorescent powder of this long-afterglow fluorescent bisque is subject to the priming effect of blue light optimum, and this long-afterglow fluorescent bisque is adjacent to blue-ray LED, can reduce the use of long-afterglow fluorescent bisque, reduces costs; Certainly, can also be applied to, to the display screen red and fluorescent powder that green priming effect is strong, as long as be provided with fluorescent powder on the position exceeding, in its corresponding position, place the strongest LED of priming effect, as red and green.
Preferably, the red-light LED of each LED luminescence unit, green light LED and blue-ray LED have the common the brim of a hat or the brim of a hat independently separately, when having in the situation of the brim of a hat independently, can only on the LED adjacent place of fluorescent powder priming effect the best, fluorescent powder be set, other the brim of a hat does not arrange, and can effectively reduce costs.
The beneficial effects of the utility model are: in LED display, use out of doors long-afterglow fluorescent bisque, so that close at night after display screen, because the fluorescent powder of long-afterglow fluorescent bisque was subject to exciting of LED luminescence unit and luminous before display screen extinguishes, after LED luminescence unit extinguishes, because the general residing environment of LED display is more black, therefore, accordingly, the pattern or the word that still remain with in appearance certain time length of screen, for the people who passes by street, road, appreciate and read and watch, continue to play the effect of advertisement, bulletin, decoration.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Fig. 1 is the front view of structure embodiment mono-of the present utility model;
Fig. 2 is the sectional structure schematic diagram of Fig. 1;
Fig. 3 is the A portion enlarged drawing of Fig. 2
Fig. 4 is the front view of structure embodiment bis-of the present utility model;
Fig. 5 is the front view of structure embodiment tri-of the present utility model;
Fig. 6 is the front view of structure embodiment tetra-of the present utility model;
Fig. 7 is the sectional structure schematic diagram of Fig. 6.
Embodiment
First; introduce the structure of outdoor LED display screen required for protection in the utility model patented claim; with reference to figure 1-Fig. 7; the various embodiments of the utility model outdoor LED display screen; comprise casing 1, be arranged on the face shield 10 of casing 1 front end; the LED array being comprised of the some LED luminescence units 20 that are matrix arrangements on face shield 10, the outside surface of face shield 10 is provided with the long-afterglow fluorescent bisque 30 that the light that sent by aforementioned LED luminescence unit 20 excites.
This long-afterglow fluorescent bisque 30 can be arranged on the local location on OFP surface, also can be arranged on whole positions on OFP surface, the set height of this long-afterglow fluorescent bisque needs to work as after LED luminescence unit 20 lights, its light can be mapped on long-afterglow fluorescent bisque it being excited, and can form font, pattern etc. between this long-afterglow fluorescent bisque.Certainly, wherein, with long-afterglow fluorescent bisque, be arranged on that on the local location on OFP surface, to form the embodiment of font or pattern the most preferred.
Structure embodiment mono-, with reference to Fig. 1, Fig. 2 and Fig. 3, as follows:
Outdoor LED display screen, comprise casing 1, there is face shield 10 in casing 1 the place ahead, on the panel 12 of face shield 10, have mounting hole, by red-light LED 21, green light LED 22 and blue-ray LED 23, form LED luminescence unit 20 and be arranged in casing with a plurality of, luminescence unit forms LED array, in the front end mounting hole of its red-light LED 21, green light LED 22 and blue-ray LED 23, stretches out, and there is the brim of a hat 14 top of every row LED luminescence unit of LED array.Long-afterglow fluorescent bisque 30 of the present utility model is arranged on panel 12 and the bottom of the brim of a hat 14, the pattern forming for as example in figure be " LED " font, and, preferably, if fluorescent powder is subject to blue-light excited effect maximum, the position of blue-ray LED 23 is with the most preferred near the design of the brim of a hat 14 that is provided with long-afterglow fluorescent bisque.In addition, for large-scale LED display curtain, can be directly to lay in the bottom of the brim of a hat 14, see that from afar foot is also with integrant pattern performance, and on panel, do not lay also and be fine.
Structure embodiment bis-, with reference to Fig. 4, basic identical with embodiment mono-in this embodiment, and its difference is that each LED luminescence unit has a corresponding the brim of a hat.
Structure embodiment tri-, with reference to Fig. 5, basic identical with embodiment bis-in this embodiment, and its difference, is that being shaped as of every group of independence the brim of a hat is curved, and red-light LED 21, green light LED 22 and blue-ray LED 23 is common mounting hole.
Structure embodiment tetra-, with reference to Fig. 6,7, in this embodiment, be that with the difference of embodiment mono-each red-light LED 21, green light LED 22 and blue-ray LED 23 have respectively the independently the brim of a hat, correspondingly, long-afterglow fluorescent bisque only can be arranged on the contiguous the brim of a hat of LED of its priming effect optimum.
The structure that is more than LED display of the present utility model illustrates, and can also be various combinations and variation, and other be equal to embodiment, such as form the form of cup at panel surface, realize, at this, narrate no longer one by one.
Further illustrate the long-afterglow fluorescent bisque of how realizing in said structure below, comprise the selection of fluorescent powder wherein and how to be formed in LED display.
Wherein, the choice criteria of fluorescent powder, is mainly relatively stable with chemical property, and it is important indicator that after time and after-glow brightness meet standard.
Fluorescent powder is given an example: alkaline earth aluminate system fluorescent powder, and excitation wavelength range is 200nm-480nm, transmitting main peak is 520nm ± 10nm, can be excited by LED ultraviolet chip and LED blue chip.
And how on display screen, to be provided with above-mentioned long-afterglow fluorescent bisque, can adopt following implementation method, or other implementation methods.
Method one, tackifier are bonding
First fluorescent powder being blended directly in tackifier by a certain percentage, is 8 tackifier such as adopting weight ratio, and the fluorescent powder that weight ratio is 2 mixes, and sticks on the panel or the brim of a hat of display screen; Also can adopt to be loaded with the film of fluorescent powder or thing piece etc. and to stick with glue agent and be bonded on display screen, such as polyacrylate adhesive is bonding.
Method two, japanning
A certain proportion of fluorescent powder is mixed in to (such as fluorine carbon varnish) in varnish, after mixing, can makes it to be attached to display screen by the mode of spraying or roller coating; Or after adhesioluminescence body otherwise, then to whole luminophor and panel attachment area paint one deck varnish, protect.
Method three, injection mo(u)lding
If the panel of display screen, the brim of a hat are plastic material (as PE), another method can be mixed in fluorescent powder the material for moulding panel or member, directly on panel, is injection molded into the crown top of burner or makes member secondary installing on panel.
Certainly, the invention is not limited to above-mentioned embodiment, as long as it reaches technique effect of the present utility model with essentially identical means, all should belong to protection domain of the present utility model.
Claims (9)
1. an outdoor LED display screen, comprise casing, be arranged on the face shield of casing front end, the LED array being comprised of the some LED luminescence units that are matrix arrangements on face shield, is characterized in that: the outside surface of face shield is local or be all provided with the long-afterglow fluorescent bisque that the light that sent by aforementioned LED luminescence unit excites.
2. a kind of outdoor LED display screen according to claim 1, is characterized in that: on described face shield, have at LED luminescence unit upside the brim of a hat contiguous with this LED luminescence unit.
3. a kind of outdoor LED display screen according to claim 2, is characterized in that: described long-afterglow fluorescent bisque is arranged at the brim of a hat outside surface of face shield.
4. a kind of outdoor LED display screen according to claim 3, is characterized in that: described long-afterglow fluorescent bisque is arranged at the downside of the brim of a hat.
5. a kind of outdoor LED display screen according to claim 1, is characterized in that: described long-afterglow fluorescent bisque is arranged at the panel outer surface of face shield.
6. a kind of outdoor LED display screen according to claim 1, is characterized in that: described long-afterglow fluorescent bisque is arranged on the outside surface local location of face shield.
7. according to a kind of outdoor LED display screen described in claim 1,2,3,4,5 or 6, it is characterized in that: each LED luminescence unit is RGB luminescence unit, consists of respectively red-light LED, green light LED and blue-ray LED.
8. a kind of outdoor LED display screen according to claim 7, is characterized in that: long-afterglow fluorescent bisque is adjacent to sent light to this long-afterglow fluorescent bisque the strongest LED place of effect that is stimulated.
9. a kind of outdoor LED display screen according to claim 8, is characterized in that: the red-light LED of each LED luminescence unit, green light LED and blue-ray LED have the common the brim of a hat or the brim of a hat independently separately.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420118174.3U CN203910189U (en) | 2014-03-14 | 2014-03-14 | Outdoor LED (Light Emitting Diode) display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420118174.3U CN203910189U (en) | 2014-03-14 | 2014-03-14 | Outdoor LED (Light Emitting Diode) display screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203910189U true CN203910189U (en) | 2014-10-29 |
Family
ID=51784446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420118174.3U Expired - Fee Related CN203910189U (en) | 2014-03-14 | 2014-03-14 | Outdoor LED (Light Emitting Diode) display screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203910189U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103886815A (en) * | 2014-03-14 | 2014-06-25 | 深圳市联腾科技有限公司 | Outdoor LED display screen |
| CN110459138A (en) * | 2019-08-06 | 2019-11-15 | 深圳市齐普光电子股份有限公司 | A kind of LED display that can show text information and its display methods |
-
2014
- 2014-03-14 CN CN201420118174.3U patent/CN203910189U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103886815A (en) * | 2014-03-14 | 2014-06-25 | 深圳市联腾科技有限公司 | Outdoor LED display screen |
| CN110459138A (en) * | 2019-08-06 | 2019-11-15 | 深圳市齐普光电子股份有限公司 | A kind of LED display that can show text information and its display methods |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141029 |