CN104252823A - LED display screen capable of emitting light stably - Google Patents
LED display screen capable of emitting light stably Download PDFInfo
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- CN104252823A CN104252823A CN201410512870.7A CN201410512870A CN104252823A CN 104252823 A CN104252823 A CN 104252823A CN 201410512870 A CN201410512870 A CN 201410512870A CN 104252823 A CN104252823 A CN 104252823A
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Abstract
The invention relates to an LED display screen capable of emitting light stably. The LED display screen comprises an LED display array and an LED substrate, wherein the LED display array is arranged on the LED substrate, and a positive electrode group and a counter electrode group are respectively arranged on the two surfaces of the LED substrate; the positive electrode group comprises at least two positive electrodes, and the counter electrode group comprises at least two counter electrodes; the LED display array comprises a plurality of LED light sources, each LED light source comprises two LED lamps, and the two LED lamps of each LED light source are connected with each other in parallel and then connected with the positive electrodes and the counter electrodes; one LED lamp in each LED light source is connected with a controller, which is used for controlling a switch of the LED lamp. As the two LED lamps are arranged in each LED light-emitting unit, when the LED lamp not connected with the controller is worn and does not have enough brightness, the LED lamps connected with the controllers can be turned on so as to increase the adjustable range of brightness.
Description
Technical field
The present invention relates to display screen technology field, particularly a kind of LED display of stable luminescence.
Background technology
Along with the development of science and technology, light-emitting diode display device has been commonly used in the life of people, and light-emitting diode display is used in the equipment such as computer, mobile phone, flat board, televisor.Although light-emitting diode display screen has the advantages such as cost is low, the life-span is long, color is good, fast response time; But along with LED increases service time, the reality brightness of LED illuminating module and color there will be deviation, and this deviation is irreversible.
Summary of the invention
The invention provides a kind of LED display of stable luminescence, it comprises LED array of display, LED-baseplate, and described LED array of display is arranged in described LED-baseplate;
Described LED-baseplate two sides is respectively equipped with positive electrode group and counter electrode group; Described positive electrode group comprises at least two positive electrodes, and described counter electrode comprises at least two counter electrodes;
Described LED array of display comprises some LED light sources, described each LED light source comprises two LED, two LED described positive electrode of rear connection parallel with one another of described each LED light source and counter electrode, a LED in described each LED light source connects a controller, and described controller is for controlling the switch of described LED.
Preferably, described LED-baseplate is provided with through hole, and described LED light source one end connects the electrode of described LED-baseplate one side, and the other end connects the electrode of another side by described through hole.
Preferably, described LED-baseplate is provided with through hole, and described counter electrode extends to described LED-baseplate front by described through hole, and forms tie point; Described LED light source is positioned at described LED-baseplate front, connects described positive electrode and described tie point respectively.
Preferably, containing at least three positive electrodes in described positive electrode group, at least three positive electrodes are arranged in described LED-baseplate front, and do not interlock; Containing at least three counter electrodes in described counter electrode group, at least three counter electrodes are arranged in described LED-baseplate reverse side, and do not interlock; In described positive electrode group and described counter electrode group, at least two strip electrodes exist staggered in the longitudinal direction.
Preferably, described LED-baseplate comprises at least two-layer LED submounts, namely at least comprise a LED submounts, the 2nd LED submounts; Described LED array of display comprises at least two group LED display sub array, i.e. the first LED display sub array, the second LED display sub array;
Described first LED display sub array is arranged on a described LED submounts, and described second LED display sub array is arranged on described 2nd LED submounts;
Two-layer arrangement before and after described first LED display sub array and the second LED display sub array are divided into.
The present invention has following beneficial effect:
The present invention is by arranging two LED in LED luminescence unit, the switch of one of them LED can be controlled by controller, when after loss appears in the LED not connecting LED controller, brightness is inadequate, can by opening the LED of controller connection to increase the adjustable extent of brightness.
Certainly, implement arbitrary product of the present invention might not need to reach above-described all advantages simultaneously.
Accompanying drawing explanation
The LED display of the stable luminescence that Fig. 1 provides for the embodiment of the present invention.
Embodiment
Embodiment example
With reference to the LED display of the stable luminescence that Fig. 1 provides for the present embodiment, comprise at least one LED array of display 101, also comprise a LED-baseplate 102.LED array of display 101 is arranged in LED-baseplate 102.LED-baseplate 102 two sides is respectively equipped with electrode group, is respectively positive electrode group 103 and counter electrode group 104.Containing at least two positive electrodes in positive electrode group 103, containing at least two counter electrodes in counter electrode group.LED element in LED array of display connects positive electrode and counter electrode respectively; Described each LED light source comprises two LED, two LED described positive electrode of rear connection parallel with one another of described each LED light source and counter electrode, a LED in described each LED light source be connected a controller, described controller is for controlling the switch of described LED.
What accurately control each LED element by the electromotive force situation controlling positive electrode and counter electrode lights situation.By electrode group is arranged on LED-baseplate 102 two sides, avoids two arrays of electrodes because occurring when forming array interlocking and the situation of short circuit, thus reduce in design and production, electrode group arrangement difficulty.LED-baseplate 102 is placed with the LED element of the different color adopted in three primary colours.So that display different color.
Also comprise at least one protective layer, protective layer covers LED-baseplate 102 front, to protect LED-baseplate 102 and LED element.
Design for protective layer can have following scheme:
(1) protective layer can adopt flexible plastic sheet, to make interlayer light-emitting diode display have flexibility.
(2) LED-baseplate 102 pro and con is coated with flexible transparent plastic plate respectively.Tow sides are made to appreciate display frame.
(3) protective layer can adopt hard transparent plate, as hard plastic board or glass plate.To make LED-baseplate 102 and LED element be fixed, make interlayer light-emitting diode display keep definite shape, and play a good protection.
(4) LED-baseplate 102 pro and con is coated with hard transparent plate respectively.Tow sides are made to appreciate display frame.
LED-baseplate 102 can adopt transparency carrier, preferred plastic, transparent substrate, such as PVC transparent plastic sheet, polymethylmethacrylate (PMMA) sheet, polystyrene (PS) sheet, polycarbonate (PC) sheet, transparent polyamide sheet, poly(4-methyl-1-pentene) (TPX) sheet etc.Adopt plastic, transparent substrate, be more prone to perforation relative to glass plate, be convenient to LED element lead-in wire or pin connects the electrode of another side through described LED-baseplate 102.
Further, the plastic, transparent substrate of LED-baseplate 102 preferred flexible, so that make described LED-baseplate have flexibility, can bend.Electrode adopts transparency electrode, or adopts tinsel, such as filamentary silver, copper wire etc., to ensure display quality.The transparency electrode of transparency electrode preferred flexible.
Containing at least three positive electrodes in positive electrode group 103, at least three positive electrodes are arranged in LED-baseplate 102 front, and do not interlock.Containing at least three counter electrodes in counter electrode group 104, at least three counter electrodes are arranged in LED-baseplate 102 reverse side, and do not interlock.Positive electrode group 103 is with counter electrode group 104, and at least two strip electrodes exist staggered in the longitudinal direction.By making positive electrode group 103 interlock with counter electrode group 104, produce intersection point, so that connect LED element in point of intersection.By producing a large amount of intersection point, be convenient to connect a large amount of LED element.By making positive electrode group 103 staggered with counter electrode group 104 but not contacting.
Further again, containing at least three positive electrodes in positive electrode group 103, at least three positive electrode parallel arrangements are in described LED-baseplate 102 front.Containing at least three counter electrodes in counter electrode group 104, at least three counter electrode parallel arrangements are at LED-baseplate 102 reverse side.Positive electrode and counter electrode exist staggered in the longitudinal direction.By parallel arrangement positive electrode, and counter electrode, make arranging rule, be convenient to design, produce and Software for Design.
Can be that LED-baseplate 102 is provided with a through hole, LED element one end connects the electrode of one side, and the other end of described LED element connects the electrode of another side through described through hole.A LED element can take alone a through hole, also can be that 2 ~ 4 LED element take a through hole jointly.
All right, LED-baseplate 102 is provided with a through hole, and positive electrode extends to LED-baseplate 102 reverse side by through hole, and forms tie point.LED element is positioned at LED-baseplate 102 reverse side, connects counter electrode and tie point respectively.LED-baseplate 102 is provided with the bloomings such as diffusion barrier.LED element is positioned at LED-baseplate 102 reverse side, and the light sent is received by human eye after blooming, to form the picture of good quality.
All right, LED-baseplate 102 is provided with a through hole, and counter electrode extends to LED-baseplate 102 front by through hole,
And form tie point.LED element is positioned at LED-baseplate 102 front, connects positive electrode and tie point respectively.
All right, LED-baseplate 102 is provided with a through hole, and LED element is embedded in through hole, and the two ends of LED element connect the double-edged electrode of LED-baseplate respectively.
The present invention is by arranging two LED in LED luminescence unit, the switch of one of them LED can be controlled by controller, when after loss appears in the LED not connecting LED controller, brightness is inadequate, can by opening the LED of controller connection to increase the adjustable extent of brightness.
The disclosed preferred embodiment of the present invention just sets forth the present invention for helping above.Preferred embodiment does not have all details of detailed descriptionthe, does not limit the embodiment that this invention is only described yet.Obviously, according to the content of this instructions, can make many modifications and variations.This instructions is chosen and is specifically described these embodiments, is to explain principle of the present invention and practical application better, thus makes art technician understand well and to utilize the present invention.The present invention is only subject to the restriction of claims and four corner and equivalent.
Claims (5)
1. a LED display for stable luminescence, is characterized in that, comprises LED array of display, LED-baseplate, and described LED array of display is arranged in described LED-baseplate;
Described LED-baseplate two sides is respectively equipped with positive electrode group and counter electrode group; Described positive electrode group comprises at least two positive electrodes, and described counter electrode comprises at least two counter electrodes;
Described LED array of display comprises some LED light sources, described each LED light source comprises two LED, two LED described positive electrode of rear connection parallel with one another of described each LED light source and counter electrode, a LED in described each LED light source connects a controller, and described controller is for controlling the switch of described LED.
2. the LED display of stable luminescence as claimed in claim 1, it is characterized in that, described LED-baseplate is provided with through hole, and described LED light source one end connects the electrode of described LED-baseplate one side, and the other end connects the electrode of another side by described through hole.
3. the LED display of stable luminescence as claimed in claim 1, it is characterized in that, described LED-baseplate is provided with through hole, and described counter electrode extends to described LED-baseplate front by described through hole, and forms tie point; Described LED light source is positioned at described LED-baseplate front, connects described positive electrode and described tie point respectively.
4. the LED display of stable luminescence as claimed in claim 1, is characterized in that, containing at least three positive electrodes in described positive electrode group, at least three positive electrodes are arranged in described LED-baseplate front, and do not interlock; Containing at least three counter electrodes in described counter electrode group, at least three counter electrodes are arranged in described LED-baseplate reverse side, and do not interlock; In described positive electrode group and described counter electrode group, at least two strip electrodes exist staggered in the longitudinal direction.
5. the LED display of stable luminescence as claimed in claim 1, is characterized in that, described LED-baseplate comprises at least two-layer LED submounts, namely at least comprise a LED submounts, the 2nd LED submounts; Described LED array of display comprises at least two group LED display sub array, i.e. the first LED display sub array, the second LED display sub array;
Described first LED display sub array is arranged on a described LED submounts, and described second LED display sub array is arranged on described 2nd LED submounts;
Two-layer arrangement before and after described first LED display sub array and the second LED display sub array are divided into.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410512870.7A CN104252823A (en) | 2014-09-26 | 2014-09-26 | LED display screen capable of emitting light stably |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410512870.7A CN104252823A (en) | 2014-09-26 | 2014-09-26 | LED display screen capable of emitting light stably |
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| Publication Number | Publication Date |
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| CN104252823A true CN104252823A (en) | 2014-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410512870.7A Pending CN104252823A (en) | 2014-09-26 | 2014-09-26 | LED display screen capable of emitting light stably |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111768737A (en) * | 2020-08-05 | 2020-10-13 | 浙江德广信电子科技股份有限公司 | System and method for adjusting brightness of LED dot matrix display screen |
-
2014
- 2014-09-26 CN CN201410512870.7A patent/CN104252823A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111768737A (en) * | 2020-08-05 | 2020-10-13 | 浙江德广信电子科技股份有限公司 | System and method for adjusting brightness of LED dot matrix display screen |
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Application publication date: 20141231 |
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