CN103887415A - Long-afterglow LED illuminant, outdoor LED display screen and afterglow display and control method - Google Patents
Long-afterglow LED illuminant, outdoor LED display screen and afterglow display and control method Download PDFInfo
- Publication number
- CN103887415A CN103887415A CN201410096331.XA CN201410096331A CN103887415A CN 103887415 A CN103887415 A CN 103887415A CN 201410096331 A CN201410096331 A CN 201410096331A CN 103887415 A CN103887415 A CN 103887415A
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- led
- luminous element
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- long afterglow
- afterglow
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- 238000000034 method Methods 0.000 title claims abstract description 14
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 30
- 238000004020 luminiscence type Methods 0.000 claims description 24
- 239000011159 matrix material Substances 0.000 claims description 16
- 241001025261 Neoraja caerulea Species 0.000 claims description 7
- 239000000843 powder Substances 0.000 abstract description 8
- 239000003292 glue Substances 0.000 description 14
- 239000000463 material Substances 0.000 description 6
- 239000003822 epoxy resin Substances 0.000 description 5
- 229920000647 polyepoxide Polymers 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000005538 encapsulation Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000005284 excitation Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000012536 packaging technology Methods 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000001291 vacuum drying Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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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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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/50—Wavelength conversion elements
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Led Device Packages (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Abstract
The invention discloses a long-afterglow LED illuminant, an outdoor LED display screen and an afterglow display and control method. The long-afterglow LED illuminant comprises an LED illuminant body, and the outer side of a luminous element of the LED illuminant is provided with a long-afterglow fluorescent powder lens layer. The long-afterglow LED illuminant is applied to the outdoor LED display screen. After being turned on for a certain time and turned off, the long-afterglow LED illuminant can continue emitting light through the long-afterglow fluorescent powder lens layer on the long-afterglow LED illuminant and keep a certain time length of luminance, and patterns or texts for external display are formed so that passers-by on streets and roads can read and watch. Accordingly, the outdoor LED display screen can continue playing a role in advertising, noticing and decorating.
Description
Technical field
The present invention relates to a kind of LED application technology, the especially application of long lad phosphor technology on LED luminous element and 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 object of the present invention is to provide a kind of use long afterglow LED luminous element extensive, easy to implement;
Another one object, be to provide a kind of rational in infrastructure, result of use is better, further abundant outdoor LED display screen and control method thereof of function.
The present invention solves the technical scheme that its problem adopts:
A kind of long afterglow LED luminous element, comprises LED luminous element, and the outside of the light-emitting component of LED luminous element is provided with long lad phosphor lens jacket.
Preferably, the light-emitting component of described LED luminous element is blue-ray LED light-emitting component.
Preferably, described long lad phosphor lens jacket is lens in light-emitting component outside, and these lens can be for being directly potted in outside light-emitting component.
Preferably, described long lad phosphor lens jacket is the secondary lens in light-emitting component outside, lens once between secondary lens and light-emitting component, and this secondary lens can be embedding or fastening, bonding etc.
Further, a kind of outdoor LED display screen that uses above-mentioned long afterglow LED luminous element, comprise casing, be arranged on the face shield of casing front end, the LED array being formed by the some LED luminescence units that are matrix arrangements on face shield, on face shield, there is long afterglow LED luminous element by certain regular arrangement, form long afterglow work dot matrix.
Further, preferably, each LED luminescence unit is RGB luminescence unit, is made up of respectively red-light LED, green light LED and blue-ray LED, simple and reasonable for structure, the structure adopting for current general outdoor LED display screen.
Preferably, all the corresponding adjacent place of LED luminescence unit or part LED luminescence unit is provided with long afterglow LED luminous element, and this structure matches with RGB luminescence unit better, and assembling is simple, reasonable.
Preferably, the protrusion height of described long afterglow LED luminous element is lower than the protrusion height of LED luminescence unit.
A kind of twilight sunset of outdoor LED display screen is shown control method, comprise casing, be arranged on the face shield of casing front end, the LED array being formed by the some LED luminescence units that are matrix arrangements on face shield, on face shield, there is long afterglow LED luminous element by certain regular arrangement, form long afterglow work dot matrix, when display screen work, long afterglow LED luminous element in long afterglow work dot matrix is not worked, only in the time that needs long lad phosphor plays a role, it lights certain hour by setting, then close, long lad phosphor is luminous, when brightness drops to a timing, long afterglow LED luminous element is lighted for a moment again, frequency and time that the duration that needs this screen protection to hold noctilucence depending on us decides long afterglow LED luminous element to light.
The invention has the beneficial effects as follows: this long afterglow LED luminous element, can be luminous by the long lad phosphor lens jacket continuation on it after lighting certain hour and extinguishing, the brightness that keeps certain time length.On LED display, use out of doors long afterglow LED luminous element, so that close at night after display screen, it is luminous because the fluorescent material of long afterglow LED luminous element was subject to exciting of its light-emitting component before display screen 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, appreciate and read and watch for the people who passes by street, road, continue to play the effect of advertisement, bulletin, decoration.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is the embodiment mono-(lens) of long afterglow LED luminous element of the present invention;
Fig. 2 is the embodiment bis-(secondary lens) of long afterglow LED luminous element of the present invention;
Fig. 3 is the positive reference view of outdoor LED display screen of the present invention;
Fig. 4 is the side reference view of outdoor LED display screen of the present invention.
Embodiment
With reference to Fig. 1, Fig. 2, long afterglow LED luminous element of the present invention, the outside of the light-emitting component 10 of LED luminous element is provided with long lad phosphor lens jacket 20, this long lad phosphor lens jacket 20 is by the long lad phosphor (choice criteria of long lad phosphor, be mainly relatively stable with chemical property, it is important indicator that persistence and after-glow brightness meet standard) and encapsulating material be combined into.
Preferably, the light-emitting component 10 of described LED luminous element is blue-ray LED light-emitting component, and using this as excitaton source, and long lad phosphor is the fluorescent material powder matching with this blue light excitation source.
A wherein execution mode, as Fig. 1, described long lad phosphor lens jacket 20 is lens in light-emitting component outside, these lens can be for being directly potted in outside light-emitting component 10.
Another execution mode, as Fig. 2, described long lad phosphor lens jacket 20 is the secondary lens in light-emitting component outside, lens 30 once between secondary lens and light-emitting component 10, this secondary lens can be embedding or fastening, bonding etc.
Wherein, introduce making of this long afterglow LED luminous element as an example of employing LED pinned packaging technology packaging pin formula blue-ray LED example below.
The encapsulating material of pinned LED generally adopts High Temperature Curing Epoxy Resin System (epoxy resin characteristic, optical property is good, Technological adaptability is good, product reliability is high, can make colored transparent or water white transparency and the lens packages that has chromatic dispersion or colourless scattering, different lens shapes forms various shapes and size, for example, circular by diameter be divided into Φ 2mm, Φ 3mm, Φ 4.4mm, Φ 5mm, Φ 7mm etc. several, the different components of epoxy resin can produce different illumination effects).
The technique of epoxy resin enclosed pinned LED is as follows: epoxy resin enclosed material is divided into A glue and B glue, wanting 2 kinds of glue (to be generally 1:1) by a certain percentage mixes, then stirring certain hour fully mixes, then vacuum drying oven with certain temperature (depending on technique need) under vacuumize, remove the bubble in glue, then these glue with a certain amount of encapsulating on LED shaping mold cavity (LED mould bar), and then insertion LED support, then allow glue curing through too short baking and long baking (short baking and long time of drying need depending on technique), LED encapsulation phase completes.
And the process of adding long lad phosphor is before AB glue mixes, in A glue or B glue, add long lad phosphor, the addition of long lad phosphor be A glue and B glue total weight 50%(for example: 20g long lad phosphor+20gA glue+20gB glue), add again another glue, then stir, vacuumize and remove bubble, process identical with above-mentioned encapsulation phase technique (support use be blue light support) below, the ray structure of long lad phosphor completes like this, and the lens that generate are aforesaid lens.
In addition, this long lad phosphor lens jacket can be also the secondary lens layer covering outside the lens jacket of a common embedding.
Certainly, above-described embodiment has just been enumerated the embodiment of pinned LED, and other all LED chip types that can encapsulate all can realize and add described long lad phosphor lens jacket, narrate no longer one by one at this.
With reference to Fig. 3, Fig. 4; introduce the outdoor LED display screen of the above-mentioned long afterglow LED of use required for protection luminous element in patent application of the present invention; comprise casing, be arranged on the face shield of casing front end; the LED array being formed by the some LED luminescence units 50 that are matrix arrangements on face shield; on face shield, (arrange such as being matrix by certain regular arrangement; or be specific figure, word carries out layout) have a long afterglow LED luminous element, form long afterglow work dot matrix.
Further, display screen is the same with common display screen, and each LED luminescence unit 50 is RGB luminescence unit, is made up of respectively red-light LED 51, green light LED 52 and blue-ray LED 53, simple and reasonable for structure, the structure adopting for current general outdoor LED display screen.But on this basis, the present invention adds the lamp pearl that be packaged with long after glow luminous material independent into a group, the same with RGB luminescence unit, it presses certain regular distribution on display screen, all the corresponding adjacent place of LED luminescence unit or part LED luminescence unit is provided with long afterglow LED luminous element 100, and this long afterglow LED luminous element 100 can be aforesaid version.
Wherein preferably, described long afterglow LED luminous element is blue light excitation source, further, has interval 60 to isolate, to reduce impact each other in long afterglow LED luminous element and RGB luminescence unit between the approaching or consistent luminous element of Stimulated Light frequency spectrum.
Preferably, the protrusion height of described long afterglow LED luminous element is lower than the protrusion height of LED luminescence unit.Be that the part exposed of long afterglow LED luminous element is less than other lamp pearl, this is after getting on because of long lad phosphor (luminescent powder) encapsulation, because powder has color, human eye is hoped up more or less and can be seen, thereby reduce the contrast of LED display, therefore reduced it and highly contribute to reduce impact.
A kind of twilight sunset of outdoor LED display screen is shown control method, comprise casing, be arranged on the face shield of casing front end, the LED array being formed by the some LED luminescence units that are matrix arrangements on face shield, on face shield, there is long afterglow LED luminous element by certain regular arrangement, form long afterglow work dot matrix, when display screen work, long afterglow LED luminous element in long afterglow work dot matrix is not worked, only in the time that needs long lad phosphor plays a role, it lights certain hour by setting, can be for partly lighting or all light as required, form specific figure or word, filling to fluorescent powder can, then close, long lad phosphor is luminous, when brightness drops to a timing, long afterglow LED luminous element is lighted for a moment again, frequency and time that the duration that needs this screen protection to hold noctilucence depending on us decides long afterglow LED luminous element to light.
When display screen totally uses, when screen stops after display frame, the lamp pearl that has encapsulated luminescent powder is lighted certain hour according to predefined program, filling to long lad phosphor (luminescent powder) can, close afterwards, cross after certain hour, again light certain hour according to the setting of program, go round and begin again down, until display screen stops filling energy before display color picture again.
Certainly, the invention is not limited to above-mentioned execution mode, as long as it reaches technique effect of the present invention with essentially identical means, all should belong to protection scope of the present invention.
Claims (9)
1. a long afterglow LED luminous element, is characterized in that: comprise LED luminous element, the outside of the light-emitting component of LED luminous element is provided with long lad phosphor lens jacket.
2. a kind of long afterglow LED luminous element according to claim 1, is characterized in that: the light-emitting component of described LED luminous element is blue-ray LED light-emitting component.
3. a kind of long afterglow LED luminous element according to claim 1, is characterized in that: described long lad phosphor lens jacket is lens in light-emitting component outside.
4. a kind of long afterglow LED luminous element according to claim 1, is characterized in that: described long lad phosphor lens jacket is the secondary lens in light-emitting component outside, lens once between secondary lens and light-emitting component.
5. the outdoor LED display screen of the arbitrary described long afterglow LED luminous element of right to use requirement 1-4, comprise casing, be arranged on the face shield of casing front end, the LED array being formed by the some LED luminescence units that are matrix arrangements on face shield, it is characterized in that: on face shield, have long afterglow LED luminous element by certain regular arrangement, form long afterglow work dot matrix.
6. outdoor LED display screen according to claim 5, is characterized in that: each LED luminescence unit is RGB luminescence unit, is made up of respectively red-light LED, green light LED and blue-ray LED.
7. outdoor LED display screen according to claim 6, is characterized in that: all the corresponding adjacent place of LED luminescence unit or part LED luminescence unit is provided with described long afterglow LED luminous element.
8. according to the outdoor LED display screen described in claim 5 or 6, it is characterized in that: the protrusion height of described long afterglow LED luminous element is lower than the protrusion height of LED luminescence unit.
9. the twilight sunset of an outdoor LED display screen is shown control method, comprise casing, be arranged on the face shield of casing front end, the LED array being formed by the some LED luminescence units that are matrix arrangements on face shield, it is characterized in that: on face shield, have long afterglow LED luminous element by certain regular arrangement, form long afterglow work dot matrix, when display screen work, long afterglow LED luminous element in long afterglow work dot matrix is not worked, only in the time that needs long lad phosphor plays a role, it lights certain hour by setting, then close, long lad phosphor is luminous, when brightness drops to a timing, long afterglow LED luminous element is lighted for a moment again, frequency and time that the duration that needs this screen protection to hold noctilucence depending on us decides long afterglow LED luminous element to light.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410096331.XA CN103887415B (en) | 2014-03-14 | 2014-03-14 | Long-afterglow LED illuminant, outdoor LED display screen and afterglow display and control method |
| PCT/CN2014/082444 WO2015135272A1 (en) | 2014-03-14 | 2014-07-18 | Long-afterglow led luminophore, outdoor led display screen and afterglow presentation control method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410096331.XA CN103887415B (en) | 2014-03-14 | 2014-03-14 | Long-afterglow LED illuminant, outdoor LED display screen and afterglow display and control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103887415A true CN103887415A (en) | 2014-06-25 |
| CN103887415B CN103887415B (en) | 2017-05-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410096331.XA Active CN103887415B (en) | 2014-03-14 | 2014-03-14 | Long-afterglow LED illuminant, outdoor LED display screen and afterglow display and control method |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103887415B (en) |
| WO (1) | WO2015135272A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104360537A (en) * | 2014-11-05 | 2015-02-18 | 创维液晶器件(深圳)有限公司 | Direct type backlight module and display device |
| WO2015135272A1 (en) * | 2014-03-14 | 2015-09-17 | 江门市科恒实业股份有限公司 | Long-afterglow led luminophore, outdoor led display screen and afterglow presentation control method therefor |
| CN108615469A (en) * | 2015-02-15 | 2018-10-02 | 北京环宇蓝博科技有限公司 | LED display curtain cover and LED display |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112944281B (en) * | 2021-03-30 | 2024-06-11 | 方显峰 | LED long-afterglow composite luminous polarized lens and luminous equipment with same |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003197979A (en) * | 2001-12-28 | 2003-07-11 | Okaya Electric Ind Co Ltd | Light emitting element |
| CN1536684A (en) * | 2003-04-03 | 2004-10-13 | 诠兴开发科技股份有限公司 | Long-persistence light-emittng diode |
| CN1556516A (en) * | 2003-12-30 | 2004-12-22 | 哈尔滨中体显示技术有限公司 | LED display screen driving structure |
| CN101140971A (en) * | 2007-09-11 | 2008-03-12 | 鹤山丽得电子实业有限公司 | Long afterglow LED |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1674309A (en) * | 2004-03-23 | 2005-09-28 | 杨越培 | A long afterglow diode and producing method |
| CN103887415B (en) * | 2014-03-14 | 2017-05-24 | 深圳市联腾科技有限公司 | Long-afterglow LED illuminant, outdoor LED display screen and afterglow display and control method |
-
2014
- 2014-03-14 CN CN201410096331.XA patent/CN103887415B/en active Active
- 2014-07-18 WO PCT/CN2014/082444 patent/WO2015135272A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003197979A (en) * | 2001-12-28 | 2003-07-11 | Okaya Electric Ind Co Ltd | Light emitting element |
| CN1536684A (en) * | 2003-04-03 | 2004-10-13 | 诠兴开发科技股份有限公司 | Long-persistence light-emittng diode |
| CN1556516A (en) * | 2003-12-30 | 2004-12-22 | 哈尔滨中体显示技术有限公司 | LED display screen driving structure |
| CN101140971A (en) * | 2007-09-11 | 2008-03-12 | 鹤山丽得电子实业有限公司 | Long afterglow LED |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015135272A1 (en) * | 2014-03-14 | 2015-09-17 | 江门市科恒实业股份有限公司 | Long-afterglow led luminophore, outdoor led display screen and afterglow presentation control method therefor |
| CN104360537A (en) * | 2014-11-05 | 2015-02-18 | 创维液晶器件(深圳)有限公司 | Direct type backlight module and display device |
| CN108615469A (en) * | 2015-02-15 | 2018-10-02 | 北京环宇蓝博科技有限公司 | LED display curtain cover and LED display |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015135272A1 (en) | 2015-09-17 |
| CN103887415B (en) | 2017-05-24 |
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