CN103887415B - 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
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- CN103887415B CN103887415B CN201410096331.XA CN201410096331A CN103887415B CN 103887415 B CN103887415 B CN 103887415B CN 201410096331 A CN201410096331 A CN 201410096331A CN 103887415 B CN103887415 B CN 103887415B
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- led
- long
- afterglow
- long afterglow
- display screen
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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 with at least one potential-jump barrier or surface barrier 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 with at least one potential-jump barrier or surface barrier 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
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 technologies, especially long lad phosphor technology is in LED illuminator and open air
Application on LED display.
Background technology
Outdoor LED display screen has the advantages that power saving, convenience, reliability due to it, is widely used in outdoor, outdoor.At present
The use of LED display, when to the late into the night, because people passing on street, road is less, thus can be arranged to some time
Between after, i.e. the work of the Close All LED display, to save electricity consumption, it is to avoid the waste of support, until the next morning is again
Rework, realize its main function.
Just because of this, one piece of black place is become after LED display is closed at night, at this, it is no to appoint
What is acted on, and is the equal of the alternative wasting of resources.Therefore, how the display screen is further made full use of, is had become
One important topic.
The content of the invention
It is above-mentioned in order to solve the problems, such as, it is an object of the invention to provide a kind of extensive, the easy to implement length of use
Twilight sunset LED illuminator；
Another purpose, be provide a kind of rational in infrastructure, using effect more preferably, the open air further enriched of function
LED display and its control method.
The present invention solves the technical scheme that is used of its problem：
A kind of long afterglow LED illuminator, including LED illuminator, long afterglow is provided with the outside of the light-emitting component of LED illuminator
Fluorescent powder lens layer.
Preferably, the light-emitting component of the LED illuminator is blue-ray LED light-emitting component.
Preferably, the long lad phosphor lens jacket is a lens on the outside of light-emitting component, and a lens can be with
To be directly potted in outside light-emitting component.
Preferably, the long lad phosphor lens jacket is the secondary lens on the outside of light-emitting component, secondary lens with it is luminous
Once lens between element, the secondary lens can be embedding or fastening, bonding etc..
Further, a kind of outdoor LED display screen using above-mentioned long afterglow LED illuminator, including casing, installed in casing
The mask of front end, the LED array being made up of some LED luminescence units in matrix arrangements on mask, by certain on mask
Regular arrangement has long afterglow LED illuminator, forms long afterglow work dot matrix.
Further, it is preferable that each LED luminescence unit is RGB luminescence units, respectively by red-light LED, green light LED and indigo plant
Light LED is constituted, simple and reasonable for structure, is the structure that current general outdoor LED display screen is used.
Preferably, the corresponding adjacent place of whole LED luminescence units or part LED luminescence units is provided with long afterglow LED
Illuminator, the structure is preferably engaged with RGB luminescence units, and assembling is simple, reasonable.
Preferably, protrusion height of the protrusion height of described long afterglow LED illuminator less than LED luminescence units.
A kind of twilight sunset displaying control method of outdoor LED display screen, including including casing, the face installed in casing front end
Cover, the LED array being made up of some LED luminescence units in matrix arrangements on mask presses certain regular arrangement on mask
There is long afterglow LED illuminator, form long afterglow work dot matrix, when display screen works, the long afterglow LED in long afterglow work dot matrix
Illuminator does not work, and only when needing long lad phosphor to play a role, it lights certain hour by setting, is then shut off,
Long lad phosphor is lighted, and when brightness drops to a timing, long afterglow LED illuminator is lighted for a moment again, and this is needed depending on us
Screen protection holds the duration of noctilucence to determine frequency and time that long afterglow LED illuminator is lighted.
The beneficial effects of the invention are as follows：The long afterglow LED illuminator, can be by it after lighting certain hour and extinguishing
On long lad phosphor lens jacket continue luminous, keep the brightness of certain time length.Long afterglow is used on LED display out of doors
LED illuminator, so that after closing display screen at night, because the fluorescent material of long afterglow LED illuminator is before display screen extinguishing
Excited by its light-emitting component and lighted because the general residing environment of LED display be it is more black, therefore, accordingly,
The pattern or word that still remain with certain time length in appearance of screen, read so that the people passed by street, road enters to give awards
And viewing, continue to play advertisement, bulletin, the effect of decoration.
Brief description of the drawings
The invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the embodiment one of long afterglow LED illuminator of the invention（Lens）；
Fig. 2 is the embodiment two of long afterglow LED illuminator of the invention（Secondary lens）；
Fig. 3 is the front reference view of outdoor LED display screen of the invention；
Fig. 4 is the side reference view of outdoor LED display screen of the invention.
Specific embodiment
Reference picture 1, Fig. 2, long afterglow LED illuminator of the invention, the outside of the light-emitting component 10 of LED illuminator is provided with length
Persistence phosphor lens jacket 20, the long lad phosphor lens jacket 20 is by long lad phosphor（The selection of long lad phosphor
Standard, then mainly stablized relatively with chemical property, and persistence and after-glow brightness meet standard for important indicator）With encapsulating material
Material is combined into.
Preferably, the light-emitting component 10 of the LED illuminator is blue-ray LED light-emitting component, in this, as excitaton source, and is grown
Persistence phosphor is the fluorescent material powder matched with the blue light excitation source.
One of which implementation method, such as Fig. 1, the long lad phosphor lens jacket 20 are once saturating on the outside of light-emitting component
Mirror a, lens can be directly to be potted in outside light-emitting component 10.
Another implementation method, such as Fig. 2, the long lad phosphor lens jacket 20 are secondary on the outside of light-emitting component
Mirror, once lens 30 between secondary lens and light-emitting component 10, the secondary lens can be embedding or fastening, bonding etc..
Wherein, the long afterglow is introduced as a example by using LED pinned packaging technology packaging pin formula blue-ray LEDs below
LED illuminator is made.
The encapsulating material of pinned LED typically uses High Temperature Curing Epoxy Resin System（Epoxy resin characteristic, optical property is excellent,
Technological adaptability is good, and product reliability is high, can make colored transparent or water white transparency and have the lens of chromatic dispersion or colourless scattering
Encapsulation, different lens shapes constitute various shapes and size, for example, circle by diameter be divided into Φ 2mm, Φ 3mm, Φ 4.4mm,
Φ 5mm, Φ 7mm etc. are several, and 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, 2 kinds of glue
Water is by a certain percentage（Generally 1:1）Mixing, then stirs certain hour and is sufficiently mixed, then in vacuum drying oven with certain temperature
Degree（Depending on technique needs）Under vacuumize, remove the bubble in glue, then these glue with a certain amount of encapsulating LED be molded
Die cavity（LED mould bars）On, LED support is then inserted into, then through too short baking and baking long, (short baking and the time dried long need regarding technique
Depending on wanting) allow glue curing, LED encapsulation phases to complete.
And the process for adding long lad phosphor is before the mixing of AB glue, long lad phosphor to be added in A glue or B glue,
The addition of long lad phosphor is the 50% of A glue and B glue gross weights（For example：20g long lad phosphor+20gA glue+20gB
Glue）, another glue is added, then stir, vacuumize and remove bubble, following processes and above-mentioned encapsulation phase technique
Identical (support is blue light support), the ray structure of such long lad phosphor has been completed, and the lens for being generated are
A foregoing lens.
In addition, the long lad phosphor lens jacket can also be a common embedding lens jacket it is outer covered it is secondary
Lens jacket.
Certainly, above-described embodiment is the embodiment for listing pinned LED, other all LED cores that can be encapsulated
Sheet type can be realized adding described long lad phosphor lens jacket, no longer describe one by one herein.
Reference picture 3, Fig. 4, introduces required for protection using above-mentioned long afterglow LED illuminator in present patent application
Outdoor LED display screen, including casing, the mask installed in casing front end, having on mask light single in some LED of matrix arrangements
The LED array that unit 50 is constituted, presses certain regular arrangement on mask（It is such as arranged in arrays, or in specific figure, text
Word is laid out）There is long afterglow LED illuminator, form long afterglow work dot matrix.
Further, display screen is as common display screen, and each LED luminescence unit 50 is RGB luminescence units, respectively by
Red-light LED 51, green light LED 52 and blue-ray LED 53 are constituted, simple and reasonable for structure, are adopted by current general outdoor LED display screen
Structure.But on this basis, many one group of the additions of the present invention are individually packaged with the lamp bead of long after glow luminous material, and
RGB luminescence units are the same, and it presses certain regular distribution on a display screen, you can with whole LED luminescence units or part LED
The corresponding adjacent place of luminescence unit is provided with long afterglow LED illuminator 100, and the long afterglow LED illuminator 100 can be foregoing
Structure type.
Wherein preferably, described long afterglow LED illuminator be blue light excitation source, further, long afterglow LED illuminator with
Be excited in RGB luminescence units optical spectrum close to or consistent illuminator between there is interval 60 to isolate, to reduce each other
Influence.
Preferably, protrusion height of the protrusion height of described long afterglow LED illuminator less than LED luminescence units.It is i.e. long
The part that twilight sunset LED illuminator is exposed is smaller than other lamp beads, because long lad phosphor（Luminescent powder）Encapsulation is got on
Afterwards, because powder has a color, human eye is hoped up more or less it will be seen that contrast so as to reduce LED display, therefore drop
Low its highly contributes to reduce to be influenceed.
A kind of twilight sunset displaying control method of outdoor LED display screen, including casing, the mask installed in casing front end, face
The LED array being made up of some LED luminescence units in matrix arrangements on cover, has long remaining on mask by certain regular arrangement
Brightness LED illuminator, forms long afterglow work dot matrix, when display screen works, the long afterglow LED illuminator in long afterglow work dot matrix
Do not work, only when needing long lad phosphor to play a role, it lights certain hour by setting, portion can be needed according to
Branch is bright or all lights, and forms specific figure or word, and energy is filled to fluorescent powder, is then shut off, long lad phosphor
Luminous, when brightness drops to a timing, long afterglow LED illuminator is lighted for a moment again, needs this screen protection to hold noctilucence depending on us
Duration determines frequency and time that long afterglow LED illuminator is lighted.
When display screen is totally used, after screen stops display picture, the lamp bead of luminescent powder is encapsulated according to presetting
Routine lights certain hour, to long lad phosphor（Luminescent powder）Energy is filled, is closed afterwards, after crossing certain hour, according to program
Setting light certain hour again, go round and begin again down, until display screen shows and stop before colour picture and fill energy again.
Certainly, the invention is not limited to above-mentioned implementation method, as long as it reaches this hair with essentially identical means
Bright technique effect, should all belong to protection scope of the present invention.
Claims (3)
1. a kind of outdoor LED display screen of use long afterglow LED illuminator, including casing, the mask installed in casing front end, face
The LED array being made up of some LED luminescence units in matrix arrangements on cover, it is characterised in that：Certain rule are pressed on mask
Long afterglow LED illuminator is then disposed with, long afterglow work dot matrix is formed, the protrusion height of described long afterglow LED illuminator is low
In the protrusion height of LED luminescence units, the corresponding adjacent place of whole LED luminescence units or part LED luminescence units is provided with
Described long afterglow LED illuminator.
2. outdoor LED display screen according to claim 1, it is characterised in that：Each LED luminescence unit is RGB luminous single
Unit, is made up of red-light LED, green light LED and blue-ray LED respectively.
3. a kind of twilight sunset of outdoor LED display screen shows control method, including casing, the mask installed in casing front end, mask
On the LED array that is made up of some LED luminescence units in matrix arrangements, it is characterised in that：Certain rule is pressed on mask
Long afterglow LED illuminator is disposed with, long afterglow work dot matrix is formed, when display screen works, more than the length in long afterglow work dot matrix
Brightness LED illuminator does not work, and only when needing long lad phosphor to play a role, it lights certain hour by setting, then
Close, long lad phosphor lights, when brightness drops to a timing, long afterglow LED illuminator is lighted for a moment, needed depending on us again
This screen protection holds the duration of noctilucence to determine frequency and time that long afterglow LED illuminator is lighted.
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 CN103887415A (en) | 2014-06-25 |
| CN103887415B true CN103887415B (en) | 2017-05-24 |
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ID=50956229
Family Applications (1)
| 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) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| CN104680947A (en) * | 2015-02-15 | 2015-06-03 | 北京环宇蓝博科技有限公司 | Device and method for eliminating moire fringes from LED (light emitting diode) screen and improving filling coefficient |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN1674309A (en) * | 2004-03-23 | 2005-09-28 | 杨越培 | A long afterglow diode and producing method |
| 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 |
|---|---|---|---|---|
| JP2003197979A (en) * | 2001-12-28 | 2003-07-11 | Okaya Electric Ind Co Ltd | Light emitting element |
| 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 |
|---|---|---|---|---|
| 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 |
| CN1674309A (en) * | 2004-03-23 | 2005-09-28 | 杨越培 | A long afterglow diode and producing method |
| CN101140971A (en) * | 2007-09-11 | 2008-03-12 | 鹤山丽得电子实业有限公司 | Long afterglow LED |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103887415A (en) | 2014-06-25 |
| WO2015135272A1 (en) | 2015-09-17 |
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