CN101539257A - LED lamp strip and manufacturing method as well as LED screen body - Google Patents
LED lamp strip and manufacturing method as well as LED screen body Download PDFInfo
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- CN101539257A CN101539257A CN200910082292A CN200910082292A CN101539257A CN 101539257 A CN101539257 A CN 101539257A CN 200910082292 A CN200910082292 A CN 200910082292A CN 200910082292 A CN200910082292 A CN 200910082292A CN 101539257 A CN101539257 A CN 101539257A
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Abstract
The invention discloses an LED lamp strip and a manufacturing method as well as an LED screen body. The LED lamp strip comprises at least one base plate, at least two grooves, at least two LEDs, at least one control chip and at least one group of connecting wires; the LED light-emitting diode comprises an LED tube core and filler; the LED tube core is arranged in the groove; the filler is positioned in the light-emitting direction of the LED tube core, is fixedly arranged above the groove and is arranged as a tube shell of the LED light-emitting diode; the tube shell and the LED tube core are combined tightly by the filler; the filler is internally provided with cadmium selenide nano microcrystal which is mixed in the filler according to preset proportion and used for controlling light-emitting wavelength; and the control chip is used for receiving and controlling signals and sending the signals to the LED light-emitting tube. Therefore, the invention can lead the LED to be smaller and easier to manufacture, thus manufacturing smaller LED lamp strip and lighter and thinner LED screen.
Description
Technical field
The present invention relates to a kind of lighting device, in particular, a kind of LED lamp bar and a kind of LED screen.
Background technology
LED is the abbreviation of English light emitting diode (light emitting diode), and its basic structure is an electroluminescent semi-conducting material, places on the leaded shelf, uses epoxy sealing all around then, plays the effect of protection internal core.The wafer that the core of light emitting diode is made up of p type semiconductor and n type semiconductor has a transition zone between p type semiconductor and n type semiconductor, be called p-n junction.In the PN junction of some semi-conducting material, the minority carrier of injection and majority carrier compound tense can discharge the form of unnecessary energy with light, thereby electric energy directly is converted to luminous energy.
In the prior art, it all is the ellipse of making according to fixing size or Piranha type etc. that the LED light emitting diode is gone up substantially, can not satisfy the big or small needs that the client is provided with arbitrarily, can not satisfy the requirement of the special pattern of client; Be difficult to produce undersized LED.
In addition, in the prior art, LED placed cup-shaped pedestal (submount) and can limit the minimum dimension of minimum dimension, the especially white light LEDs of LED with the technology of light-converting material encapsulation.
Therefore, there is defective in prior art, needs to improve.
Summary of the invention
Technical problem to be solved by this invention is, a kind of simple in structure, a kind of LED lamp bar that can freely select combined colors and shape is provided, use laser exploitation or cutting technology directly on the bar shaped substrate, to carve groove, utilize method of spin coating that fluorescent materials such as semiconductor nanocrystal or fluorescent material are inserted in the groove again, form a shell between groove, this method can allow white light LEDs littler, the easier manufacturing that becomes.
Technical scheme of the present invention is as follows:
A kind of LED lamp bar wherein, comprises at least one substrate, is arranged at least two grooves on the described substrate, at least two LED light emitting diodes, at least one control chip, at least one group of connecting line; Wherein, one group of connecting line comprises at least one electrode line, at least one negative line, at least one holding wire, and is connected respectively to outside power supply and signal source; Described LED light emitting diode comprises LED tube core, filler, an anodal pin and a negative pole pin; The both positive and negative polarity of described LED tube core correspondence respectively is connected to described anodal pin and described negative pole pin; Described LED tube core is arranged in the described groove; Described filler is positioned at the light direction of described LED tube core, is fixedly installed on described groove top, and is set to the shell of described LED light emitting diode; And described shell and described LED tube core be by the setting of combining closely of described filler, and, the cadmium selenide nano crystallite also is set in the described filler, described cadmium selenide nano crystallite is blended in the described filler in the ratio of pre-seting, and is used to control emission wavelength; Described control chip comprises a positive terminal, a negative pole end, a signal input part and at least one control signal output; Described positive terminal and described negative pole end correspondence respectively are connected to described electrode line and described negative line; Described signal input part is connected with described holding wire, is used to receive the signal of the described LED light emitting diode of control; Described control signal output is connected with arbitrary pin of described LED light emitting diode, is used to send control signals to described LED light emitting diode; Another pin of described LED light emitting diode is connected to described electrode line or described negative line by its polarity.
Described LED lamp bar wherein, also is provided with at least one first Connection Block on the described substrate, adopt to peg graft or snap fit, interconnects transmission power supply and signal source with first Connection Block of other substrate.
Described LED lamp bar, wherein, correspondence is respectively organized connecting line, some second Connection Blocks also are set on the described substrate, be used at least one electrode line, at least one negative line, at least one holding wire, adopt and peg graft or snap fit, be connected respectively to outside power supply and signal source.
Described LED lamp bar, wherein, described shell is protruding shell, recessed shell or flat shell.
Described LED lamp bar, wherein,, described control signal output is connected with the negative pole pin of described LED light emitting diode, and the anodal pin of described LED light emitting diode is connected to described electrode line.
Described LED lamp bar, wherein, described control signal output is connected with the anodal pin of described LED light emitting diode, and the negative pole pin of described LED light emitting diode is connected to and described negative line.
Described LED lamp bar, wherein, another pin of described LED light emitting diode by an Access Division, is connected to described electrode line or the corresponding clamping position that is provided with of described negative line by its polarity.
A kind of LED screen body, it comprises at least two as above arbitrary described LED lamp bars; Each described LED lamp bar rule is arranged, order is electrically connected and is connected with signal.
The manufacture method of a kind of as above arbitrary described LED lamp bar, it carries out following steps, and A, the exploitation of use laser or cutting technology directly carve groove on substrate; B, respectively each LED tube core is arranged in the described groove; C, respectively each control chip is arranged in described substrate or the groove; D, connect described LED tube core and described control chip by lead; E, according to required emission wavelength, the cadmium selenide nano crystallite is blended in the filler in the ratio of pre-seting, light direction at described LED tube core, described filler is fixedly installed on described groove top, form the shell of described LED light emitting diode, make described shell and described LED tube core by the setting of combining closely of described filler; F, connect each substrate, form described LED lamp bar.
Described manufacture method, wherein, described filler comprises semiconductor nanocrystal, fluorescent material or its mixture; Utilize method of spin coating, ink jet printing method, wire mark method or spray gun rubbing method, make described filler form the shell of described LED light emitting diode.
Adopt such scheme, the present invention directly carves groove by using laser exploitation or cutting technology on substrate, again fluorescent materials such as semiconductor nanocrystal or fluorescent material are inserted in the groove, between groove, form a shell, this method can allow LED littler, the easier manufacturing that becomes, thereby can make LED lamp bar become littler, make the LED screen become lighter, thinner; More solid and reliable, can also change luminous color.
Description of drawings
Fig. 1 is the schematic diagram of the embodiment of the invention 1;
Fig. 2 is the schematic diagram of the embodiment of the invention 2;
Fig. 3 is the schematic diagram of the embodiment of the invention 3;
Fig. 4 is the schematic diagram of the embodiment of the invention 4;
Fig. 5 is the schematic diagram of the embodiment of the invention 5;
Fig. 6 is a LED screen embodiment schematic diagram of the present invention.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment 1
A kind of LED lamp bar comprises at least one substrate, is arranged at least two grooves on the described substrate, at least two LED light emitting diodes, at least one control chip, at least one group of connecting line.Wherein, one group of connecting line comprises at least one electrode line, at least one negative line, at least one holding wire, and is connected respectively to outside power supply and signal source.
For example, as shown in Figure 1, a kind of LED lamp bar, comprise a substrate 101, groove 102A, groove 102B and groove 102C are set on described substrate 101, three LED light emitting diodes, promptly LED light emitting diode 130, LED light emitting diode 131 and LED light emitting diode 132, be separately positioned in the corresponding groove.
One control chip is arranged on the substrate 101, and described control chip comprises a positive terminal, a negative pole end, a signal input part and at least one control signal output; Perhaps, on substrate 101, a plurality of control chips can be set according to the actual requirements; Perhaps, corresponding to each LED light emitting diode, a control chip is set in each groove.The described positive terminal of control chip and described negative pole end correspondence respectively are connected to described electrode line and described negative line; Described signal input part is connected with described holding wire, is used to receive the signal of the described LED light emitting diode of control; Described control signal output is connected with arbitrary pin of a LED light emitting diode, is used to send control signals to this LED light emitting diode.Control chip and realization technology thereof can adopt existing chip to realize that present embodiment is not made any additional limits to this.
Another pin of this LED light emitting diode is connected to described electrode line or described negative line by its polarity.
For example, described control signal output is connected with the negative pole pin of described LED light emitting diode, and the anodal pin of described LED light emitting diode is connected to described electrode line.
And for example, described control signal output is connected with the anodal pin of described LED light emitting diode, and the negative pole pin of described LED light emitting diode is connected to described negative line.
On described substrate 101, at least one group of connecting line is set, comprises at least one electrode line, at least one negative line, at least one holding wire, and be connected respectively to outside power supply and signal source, be used for power supply being provided and the control signal source being provided to LED lamp bar.
Each LED light emitting diode comprises LED tube core, filler, an anodal pin and a negative pole pin; The both positive and negative polarity of described LED tube core correspondence respectively is connected to described anodal pin and described negative pole pin.
In order better to control the LED light emitting diode, described control chip control signal output is connected with arbitrary pin of described LED light emitting diode, is used to send control signals to described LED light emitting diode; Another pin of described LED light emitting diode is connected to described electrode line or described negative line by its polarity.
Described control chip signal input part is connected with holding wire on the described substrate 101, is used to receive the signal of the described LED light emitting diode of control; Each substrate 101 couples together by an electrode line, a negative line, a holding wire, forms LED lamp bar.
For example, described filler is positioned at the light direction of described LED tube core, is fixedly installed on described groove top, and is set to the shell of described LED light emitting diode.
An example is, described shell and described LED tube core are by the setting of combining closely of described filler; For example, an one LED tube core and a control chip are set respectively among described groove 102A and the groove 102B, described filler is arranged at the outer surface of described LED tube core light direction, coheres to be provided with to be fixedly installed on described groove top, and is set to the shell of described LED light emitting diode; In order better to improve the firm solid degree of LED light emitting diode, prolong the service life of LED, can be by described filler the setting of combining closely of described shell and described LED tube core.
For example, described groove is for pre-seting shape,, for example, described groove is default to be changed to arc surface shape, taper, star shape, heart, Santa Claus or the like.
Described LED tube core is arranged in the described groove; Described filler is positioned at the light direction of described LED tube core, is fixedly installed on described groove top, and is set to the protruding shell of described LED light emitting diode, and the shape of described protruding shell cross section is set to the shape of described groove cross section.
And the shape of described protruding shell cross section is set to the shape of described groove cross section; For example, the shape of described shell 105A cross section can be set to the shape of described groove cross section.Like this, can the better adaptive shape that groove and corresponding shell are set.
An example is that the exiting surface of described LED tube core is the given shape that pre-sets, and can freely select the shape of needs setting according to people's wish, for example is arc surface shape, taper, star shape, heart, Santa Claus or the like.Its shape also can with the form fit setting of described groove cross section.
For example, in order to satisfy client's different needs better, described groove can be the given shape that pre-sets, for example, the five-pointed star type, described LED tube core is arranged in the five-pointed star type groove, and described filler fluorescent material is set to the protruding shell of five-pointed star type of described LED light emitting diode, and the shape of the protruding shell cross section of described five-pointed star type is set to the shape of described five-pointed star type groove cross section.
On the basis of above-mentioned each example, an example is that the shape of described shell is close with the shape of LED tube core exiting surface.For example, the shape of described shell 105A can also be identical with the shape size of the exiting surface of LED tube core, and perhaps, shape is similar, can overlap after promptly amplifying; Like this, can make the exiting surface of shell 105A and LED tube core have uniformity, make integral body specious, and the light of ejaculation be even.
For example, the exiting surface shape of described LED tube core can be the given shape that pre-sets, and promptly can select different shapes according to practical application, for example is arc surface shape, recessed triangle, taper, star, protruding heart, Santa Claus or the like; Simultaneously, the shape of shell 105A also can be the given shape of the correspondence that pre-sets.
Another example is that described filler is positioned at the light direction of described LED tube core, is fixedly installed on described groove top, and is set to the shell of described LED light emitting diode.
And described shell and described LED tube core be by the setting of combining closely of described filler, and, the cadmium selenide nano crystallite also is set in the described filler, described cadmium selenide nano crystallite is blended in the described filler in the ratio of pre-seting, and is used to control emission wavelength.
For example, a LED tube core and a control chip are set respectively among described groove 102A and the groove 102B, described filler is arranged at the outer surface of described LED tube core exiting surface, coheres to be arranged in the described groove.
For example, described shell and described LED tube core can be by the settings of combining closely of described filler, and form shell respectively between in groove 102A and groove 102B, be shell 105A and shell 105B, described LED tube core is connected with described anodal pin, described negative pole pin respectively, is used to be connected to the control output end of external drive circuit.For example, described shell can be wherein a kind of for protruding shell, recessed shell or flat shell.
An example is, in order to satisfy client's different needs better, described groove can be the given shape that pre-sets, and described filler is set to the protruding shell of described LED light emitting diode, and the shape of described protruding shell cross section is set to the shape of described groove cross section.
For example, in described groove 102A, the described filler in the present embodiment is a fluorescent material, forms a shell 105A between described fluorescent material and the described groove 102A, and described LED tube core is arranged in the described groove, and described LED tube core is positioned at described shell 105A below; The p type semiconductor 103A of described LED tube core is connected with described one anodal pin 107A, a described negative pole pin 108A respectively with n type semiconductor 106A, be used to connect outside power supply, for the LED tube core provides the voltage source,, the LED tube core is emitted beam with the driving LED tube core.
For example, in described groove 102B, the described filler in the present embodiment is a mixed fluorescent powder, forms a shell 105B between described mixed fluorescent powder and the described groove 102B, described LED tube core is arranged in the described groove, and described LED tube core is positioned at described shell 105B below; The p type semiconductor 103B of described LED tube core is connected with described one anodal pin 107B, a described negative pole pin 108B respectively with n type semiconductor 106B, be used to connect outside power supply, for the LED tube core provides the voltage source,, the LED tube core is emitted beam with the driving LED tube core.
For example, one or more groups connecting line is set on the described substrate, every group of connecting line comprises at least one electrode line, a negative line, a holding wire, and described control signal output is connected with arbitrary pin of described LED light emitting diode, is used to send control signals to described LED light emitting diode.
Described control chip can also be arranged on the substrate or the substrate upper groove in, concrete position is set according to the actual needs, described LED lamp bar, wherein, the control signal output of described control chip can be connected with the pin of more than one LED tube core, for example a control chip is controlled 2 LED light emitting diodes, just the pin of needs and two LED tube cores links, 6 LED light emitting diodes of a control chip control, just the pin of needs and 6 LED tube cores links, and mainly is to determine calmly according to the operating position of reality.
Another example is, for better control LED lamp bar, a control chip can also be set be arranged in LED light emitting diode luminous control chip is positioned at the below of LED tube core shady face at described groove 102, avoids influencing the luminous of LED light emitting diode like this.
For example, control chip is the control chip ZQL9712 that the Beijing Zhongqing Micro-digit Equipment Development Co., Ltd produces, four the control signal wire transmission of control signals of control chip ZQL9712 by forming by four leads, and, according to control signals transmitted, drive control LED light emitting diode, or drive a plurality of versicolor LED light emitting diodes of control.
And for example, control chip is the single line control chip ZQL1111 that the Beijing Zhongqing Micro-digit Equipment Development Co., Ltd produces, the control signal wire transmission of control signals of single line control chip ZQL1111 by forming by a lead, and, according to control signals transmitted, drive 3 different LED light emitting diodes of control.
Described LED tube core can be wherein a kind of of red LED tube core, green LED tube core, blue led tube core, or is the combination of wherein any two kinds of LED tube cores, or is the combination of three kinds of LED tube cores.
On the basis of above-mentioned each example, in order rationally to utilize each part in the present embodiment LED light emitting diode, and, make to be combined into each LED light emitting diode that can send seven kinds of colors that comprise each series of visible light, promptly can send the LED light emitting diode of red, orange, yellow, green, blue, indigo, purple seven kinds of color light; Therefore, can the LED tube core be set to wherein a kind of of red LED tube core, green LED tube core or blue led tube core, and described fluorescent material correspondence is set to the fluorescent material of other two kinds of colors; Because the color of LED tube core adds the color of two kinds of fluorescent material and formed three kinds of primary colours of red, green, blue, the ratio of regulating various fluorescent material can be so that present embodiment LED light emitting diode sends all colours that nature exists.
For example, the LED tube core is the red LED tube core, and fluorescent material then adopts green emitting phosphor and two kinds of fluorescent material of blue colour fluorescent powder; If the LED tube core is the green LED tube core, fluorescent material then adopts red fluorescence powder and two kinds of fluorescent material of blue colour fluorescent powder; If the LED tube core is the blue led tube core, fluorescent material then adopts red fluorescence powder and two kinds of fluorescent material of green emitting phosphor.
On the basis of above-mentioned each example,, a kind of preferred version is, and the LED tube core is the blue led tube core, and fluorescent material then adopts red fluorescence powder and two kinds of fluorescent material of green emitting phosphor; Combination effect that present embodiment LED light emitting diode is emitted beam is best like this.
On the basis of above-mentioned each example, an example is, described substrate is a silicon carbide substrate, and according to the needs of different designs and different environments for use, substrate can also be ceramic substrate or plastic base.
On the basis of above-mentioned each example, interconnect in order better to make substrate, transmission power supply and signal source are fixed, at least one first Connection Block also is set on described substrate, adopt to peg graft or snap fit, interconnect transmission power supply and signal source with first Connection Block of other substrate.For example, first Connection Block of certain first substrate comprises a plug, a socket and corresponding power line and holding wire; Power line is connected with holding wire one or more groups connecting line corresponding respectively and on first substrate, comprises power line is connected with at least one electrode line of one or more groups connecting line, at least one negative line respectively by both positive and negative polarity; Holding wire is connected with at least one holding wire of one or more groups connecting line respectively.The plug of first Connection Block of first substrate, can insert another substrate first Connection Block socket in, thereby obtain needed power supply and signal.
For example, buckle or draw-in groove are set respectively, in buckle or draw-in groove, are respectively arranged with the joint that contains power line, ground wire, at least one holding wire at the head or the afterbody of each substrate, when substrate interconnects, transmission power supply and signal source.
On the basis of above-mentioned each example, correspondence is respectively organized connecting line, and some second Connection Blocks also are set on the described substrate, is used at least one electrode line, at least one negative line, at least one holding wire, adopt and peg graft or snap fit, be connected respectively to outside power supply and signal source.Like this, can connect power line and holding wire easily.
Embodiment 2
As shown in Figure 2, present embodiment provides a kind of LED light emitting diode, comprise the wafer that a LED tube core, LED tube core are made up of p type semiconductor 103 and n type semiconductor 106, substrate 101, be arranged on groove 102, filler, a control chip and an anodal pin and a negative pole pin on the described substrate.
Described LED tube core and described control chip are arranged in the described groove 102, described filler is arranged at the outer surface of described LED tube core exiting surface, cohere and be arranged in the described groove 102, and between described groove 102, form a shell, described LED tube core is connected with described anodal pin, described negative pole pin respectively, is used to be connected to the control output end of external drive circuit.For example, described shell can be wherein a kind of for protruding shell, recessed shell or flat shell.
For example, in described groove 102, the described filler in the present embodiment is a fluorescent material, forms a shell 105A between described fluorescent material and the described groove 102, and described LED tube core is arranged in the described groove, and described LED tube core is positioned at described shell 105A below; The p type semiconductor 103 of described LED tube core is connected with described one anodal pin, described one anodal pin respectively with n type semiconductor 106, is used to connect outside power supply, for the LED tube core provides the voltage source, with the driving LED tube core, the LED tube core is emitted beam.
For better control, a control chip can also be set be arranged in LED light emitting diode luminous control chip is positioned at the below of LED tube core shady face at described groove 102, avoid influencing the luminous of LED light emitting diode like this.
On the basis of the above, the top of the groove 102 of present embodiment on silicon carbide substrate or other substrates is provided with two relative little grooves 111, described filler forms two small embossments 110 in two little grooves 111, these two small embossments 110 and a protruding shell 105A are wholely set, 110 pairings of two little grooves 111 on the silicon carbide substrate and two small embossments on the protruding shell 105A are used, and are used for protruding shell 105A is fixed on the groove 102 on the silicon carbide substrate.
On the basis of above-mentioned each example, an one anodal pin and a negative pole pin also are set, the positive pole of described LED tube core is electrically connected with described anodal pin, described LED tube core negative pole is electrically connected with described negative pole pin, described anodal pin and negative pole pin respectively with the corresponding electrical connection of the positive and negative polar curve of described power supply, power supply by the outside provides voltage, to realize making described LED tube core luminous.
On the basis of above-mentioned each example, be provided with the gap between described shell and the described LED tube core.For example being provided with the gap between the LED tube core is hollow, and the inside, gap can be a vacuum, and the inside, gap also can be full of air in the inside, also can be other gas.
For example,, wherein, be provided with gas in the described gap, be used to change luminous color in order better to change described LED lumination of light emitting diode.For example, neon or argon gas are set in gap the inside, perhaps other inert gases, perhaps mixed inert gas etc., these gases fill in the gap, and through in these gases, the color of light can change at light.
Embodiment 3
As shown in Figure 3, present embodiment provides a kind of LED light emitting diode, comprise the wafer that a LED tube core, LED tube core are made up of p type semiconductor 103 and n type semiconductor 106, substrate 101, be arranged on the positive and negative polar curve of groove 102, filler and power supply on the described substrate;
Described filler is arranged in the described groove 102, described filler in the present embodiment is a phosphor mixture, described fluorescent material forms a packaging body 105A between described groove 102, described LED tube core is arranged on the centre of described packaging body 105A, and packaging body 105A is that described protruding shell and described LED tube core are wholely set formation 105A packaging body by described filler.
For cooperated with LED lumination of light emitting diode effect better, the cadmium selenide nano crystallite also is set in the described filler, described cadmium selenide nano crystallite is blended in the described filler in the ratio of pre-seting, and is used to control emission wavelength.In the described groove 102 cadmium selenide nano crystallite 113 is set also, described cadmium selenide nano crystallite 113 mixes use with described filler, be used to control emission wavelength, described cadmium selenide nano crystallite 113 is new material for transformation of wave length, with for example fluorescent material mixing use of other described filler, can change the wavelength conversion and convert long wave to, make the light of LED light emitting diode be obtained emission more by shortwave.For example when the proportion of cadmium selenide nano crystallite and filler is 1: 8,1: 8.5,1: 9, can reach farther radiation response; When the proportion of cadmium selenide nano crystallite and filler is 5: 5, can reach nearer radiation response; According to different needs, different materials is set, mix and use, reach various effects.
For cooperated with LED lumination of light emitting diode effect better, the cadmium selenide nano crystallite can also also be set in described filler, described cadmium selenide nano crystallite is blended in the described filler in the ratio of pre-seting, and is used to control emission wavelength.Described cadmium selenide nano crystallite 113 mixes use with described filler, be used to control emission wavelength, described cadmium selenide nano crystallite 113 is new material for transformation of wave length, with for example fluorescent material mixing use of other described filler, can change the wavelength conversion and convert long wave to, make the light of LED light emitting diode be obtained emission more by shortwave.For example when the proportion of cadmium selenide nano crystallite and filler is 1: 8,1: 8.5,1: 9, can reach farther radiation response; When the proportion of cadmium selenide nano crystallite and filler is 5: 5, can reach nearer radiation response; According to different needs, different materials is set, mix and use, reach various effects.
On the basis of above-mentioned each example, realize being connected fast with corresponding circuit with described negative pole pin for the more convenient anodal pin that makes, at anodal pin and described negative pole pin one Access Division is set respectively, be used for the line card corresponding with it.
For example, at anodal pin and described negative pole pin one Access Division is set respectively, it is the metal object that single deck tape-recorder sheet and card have sharp sword that the Access Division is institute's single line deck, and when the single line deck inserted circuit, sharp sword embedded in the circuit and with line electricity and is connected.The Access Division can also be buckle, screw etc.
Embodiment 4
As shown in Figure 4, present embodiment provides a kind of LED light emitting diode, comprise the wafer that a red LED tube core, a green LED tube core, LED tube core are made up of p type semiconductor 103C and n type semiconductor 106C, substrate 101, the groove 102C, the groove 102C in the present embodiment that are arranged on the described substrate are through holes, filler and be arranged on the positive and negative polar curve of power supply on the described substrate; Described filler is arranged among the described groove 102C, described filler in the present embodiment is red fluorescence powder and green emitting phosphor, institute's redness is stated and is formed a protruding shell 105C between fluorescent material and the described through hole 102C upside, institute's green is stated and is formed a protruding shell 105C between fluorescent material and the described through hole 102C upside, described LED tube core is arranged in the described groove, a described red LED tube core 106C, one green LED tube core, described red LED tube core 106C exiting surface is facing to protruding shell 105C, a described green LED tube core exiting surface is facing to protruding shell 105C, the top of protruding shell 105C is arranged in described groove 102C fully, described LED tube core respectively with described one anodal pin 108, described one anodal pin 107 is connected, and is used to connect outside power supply; For the LED tube core provides the voltage source,, the LED tube core is emitted beam with the driving LED tube core.
Embodiment 5
As shown in Figure 5, present embodiment provides a kind of LED lamp bar, comprise little substrate 101A and little substrate 101B, a groove 102A is set on described substrate 101A at least, one groove 102B is set on described substrate 101B at least, at least one LED tube core of each described substrate, filler, a control chip and an anodal pin and a negative pole pin.
Described LED tube core and described control chip correspondence respectively are arranged among described groove 102A and the groove 102B, described filler is arranged at the outer surface of described LED tube core exiting surface, cohere and be arranged in the described groove, and form a shell between in groove 102A and groove 102B respectively, described LED tube core 103A, 106A are connected with described anodal pin 107A, described negative pole pin 108A respectively, described LED tube core 103B, 106B are connected with described anodal pin 107B, described negative pole pin 108B respectively, are used to be connected to the control output end of external drive circuit.
For example, described shell can be wherein a kind of for protruding shell, recessed shell or flat shell.
At described LED light emitting diode, wherein, be provided with the gap between described shell and the described LED tube core.For example being provided with the gap between the LED tube core is hollow, and the inside is full of air, also can be other gas.
In order better to change described LED lumination of light emitting diode, wherein, be provided with inert gas in the described gap, be used to change luminous color.For example, neon or argon gas, helium or inert gas mist etc. are set, during these gases fill in the gap, can change through light in these gases at light in the inside, gap.
Being provided with the gap between the LED tube core is hollow, and the inside also can be a vacuum.
Little substrate 101A and little substrate 101B couple together by at least one electrode line 121, a negative line 122, a holding wire 123, form the lamp bar, one electrode line 121, a negative line 122, a holding wire 123 can be three lines that are rigidly connected, it can be flexible rainproof connecting line, according to the needs of actual conditions, different materials is set.
For example, the little substrate of polylith couples together by four lines serial connections of being rigidly connected and forms the lamp bar, for easy for installation, can also a fixture be set respectively two sections of the head and the tail of each lamp bar, makes things convenient for the lamp bar to be connected with other device.
Described LED lamp bar, wherein, the control signal output of described control chip can be connected with the pin of more than one LED tube core.
Described LED lamp bar, wherein, described control signal output is connected with the negative pole of LED tube core, and the positive pole of LED tube core is connected with the power line of control chip.
For convenient, described LED light emitting diode is connected with various connecting lines, at another pin of described LED light emitting diode, by an Access Division, by its polarity this Access Division is connected to described electrode line or the corresponding clamping position that is provided with of described negative line; Perhaps each pin at described LED light emitting diode is provided with an Access Division respectively, the Access Division that can be connected with positive pole is provided with big slightly, the Access Division that can be connected with negative pole is provided with slightly little, is connected to described electrode line or the corresponding clamping position that is provided with of described negative line by this Access Division by its polarity.That is, can different Access Divisions and clamping position be set by color, size or shape difference, present embodiment does not impose any restrictions this.
Embodiment 6
As shown in Figure 6, the present invention also provides a kind of LED screen body, comprises the described LED lamp of at least as above arbitrary embodiment bar;
Each described LED lamp bar rule is arranged, order is electrically connected and is connected with signal; At least two LED lamp bars described in arbitrary with the foregoing description 1 to 7, be LED lamp bar 502, LED lamp bar 503, regularly arranged on entablature 501 and sill 504, generally be that many LED lamp bar rules are arranged, and interconnect, to form LED screen body, LED screen body can be used to show various pictures, literal or animation.
The cartoon display screen, information line-screen etc. that for example, can be used for the public place; Described LED lamp bar comprises at least two LED unit, at least one cathode power supply circuit, at least one negative power supply circuit and at least one signal line, and each LED unit comprises at least one LED light emitting diode and control module thereof; Described LED unit is provided with a light collecting part, is used for the light of each LED light emitting diode is wherein reflexed to the outside; Each circuit is combined into a winding displacement; At least one fixed bit is set on the described winding displacement, is used for fixing each LED unit; Described winding displacement also is provided with at least one support bar, is used to prevent distortion.
Each LED lamp bar in the LED screen body can be arranged in parallel, and also can intersect mutually.For example: be arrangeding in parallel can comprise and walk crosswise parallel, horizontal parallel, vertical parallel and oblique parallel, and each LED lamp bar of being parallel to each other each circuit by winding displacement is connected from beginning to end, promptly can form LED screen body of the present invention.
Cross one another each LED lamp bar moulding as required for example can become waveform, spirality etc., and cross one another each LED lamp bar each circuit by winding displacement is connected from beginning to end, promptly can form LED screen body of the present invention.
Described filler is separately positioned in each groove, forms a shell between described filler and each groove, and described LED tube core is arranged in the described groove, and described LED tube core is positioned at described shell below; One group of connecting line is set on the described substrate comprises at least one electrode line, a negative line, a holding wire.
Each LED tube core is connected with described one anodal pin, described one anodal pin respectively, described one anodal pin, described one anodal pin are connected with at least one electrode line, a negative line, a holding wire on the described substrate respectively, are used to connect outside power supply and control signal.
Embodiment 7
On the basis of above-mentioned each example, present embodiment provides a kind of manufacture method of LED lamp bar, carries out following steps:
A, the exploitation of use laser or cutting (laser ablation or sawing) technology directly carve groove (trenches) on substrate; For example, substrate is carborundum (SiC) substrate; B, respectively each LED tube core is arranged in the described groove; C, respectively each control chip is arranged in described substrate or the groove; D, connect described LED tube core and described control chip by lead; E, at the light direction of described LED tube core, described filler is fixedly installed on described groove top, form the shell of described LED light emitting diode; F, connect each substrate, form described LED lamp bar.
On the basis of above-mentioned each example, present embodiment provides a kind of manufacture method of LED lamp bar, carries out following steps:
A, according to the actual needs, the substrate of selecting big or small thickness all to be fit to uses laser exploitation or cutting technology directly to carve the groove that corresponds to actual needs on substrate;
B, groove exploitation finish, and the LED tube core is arranged in the described substrate recess, and the position of setting is roughly in the centre position of groove, and the exiting surface of LED tube core is outwardly, and the shady face of LED tube core is inwardly;
After C, LED tube core set, in described substrate recess in, at the shady face of LED tube core one control chip is set also, be used for controlling the luminous of LED light emitting diode;
D, couple together with described LED tube core of lead and described control chip by welding or other mode;
E, filler is inserted in the groove, and between groove, formed a shell, shell is set is set to protruding shell, recessed shell or flat shell; Be provided with the gap between described according to actual needs shell and the described LED tube core; Perhaps, described shell and described LED tube core are by the setting of combining closely of described filler;
F, at the shell that forms described LED light emitting diode in a flash is evacuated being provided with the gap between described shell and the described LED tube core;
G, at the shell that forms described LED light emitting diode in a flash is evacuated being provided with the gap between described shell and the described LED tube core; And inert gas is rushed in the gap;
H, connect each substrate, form described LED lamp bar.
For example, described filler comprises semiconductor nanocrystal, fluorescent material or its mixture; Can also utilize method of spin coating, ink jet printing method, wire mark method or spray gun rubbing method, described filler is inserted in the described groove.
Described semiconductor nano crystallite is a cadmium selenide, by adjusting its consumption, controls the emission wavelength of described LED light emitting diode, and is specifically same as above.
For example, on the basis of above-mentioned each example, present embodiment provides a kind of manufacture method of LED light-emitting diode light bar, carries out following steps:
A, according to the actual needs, the substrate of selecting big or small thickness all to be fit to uses laser exploitation or cutting technology directly to carve the groove that corresponds to actual needs on substrate;
B, groove exploitation finish, and the LED tube core is arranged in the described substrate recess, and the position of setting is roughly in the centre position of groove, and the exiting surface of LED tube core is outwardly, and the shady face of LED tube core is inwardly;
After C, LED tube core set, in described substrate recess in, at the shady face of LED tube core one control chip is set also, be used for controlling the luminous of LED light emitting diode;
D, couple together with described LED tube core of lead and described control chip by welding or other mode;
E, filler is inserted in the groove, and between groove, formed a shell, shell is set is set to protruding shell, recessed shell or flat shell; Be provided with the gap between described according to actual needs shell and the described LED tube core; Perhaps, described shell and described LED tube core are by the setting of combining closely of described filler;
F, connect each substrate, form described LED lamp bar.
For example, on the basis of above-mentioned each example, present embodiment provides a kind of manufacture method of LED light-emitting diode light bar, carries out following steps:
A, according to the actual needs, the substrate of selecting big or small thickness all to be fit to uses laser exploitation or cutting technology directly to carve the groove that pre-sets shape that corresponds to actual needs on substrate; For example, described groove is preset and is changed to arc surface shape, taper, star shape, heart, Santa Claus or the like.
B, groove exploitation finish, and the LED tube core is arranged in the described substrate recess, and the position of setting is roughly in the centre position of groove, and the exiting surface of LED tube core is outwardly, and the shady face of LED tube core is inwardly;
After C, LED tube core set, in described substrate recess in, at the shady face of LED tube core one control chip is set also, be used for controlling the luminous of LED light emitting diode;
D, couple together with described LED tube core of lead and described control chip by welding or other mode;
E, at the light direction of described LED tube core, described filler projection is fixedly installed on described groove top, form the shape and the shape of described groove cross section protruding shell identical, described LED light emitting diode of cross section.Be provided with the gap between described according to actual needs shell and the described LED tube core; Perhaps, described shell and described LED tube core are by the setting of combining closely of described filler;
F, connect each substrate, form described LED lamp bar.
For example, on the basis of above-mentioned each example, present embodiment provides a kind of manufacture method of LED light-emitting diode light bar, carries out following steps:
A, according to the actual needs, the substrate of selecting big or small thickness all to be fit to uses laser exploitation or cutting technology directly to carve the groove that corresponds to actual needs on substrate;
B, groove exploitation finish, and the LED tube core is arranged in the described substrate recess, and the position of setting is roughly in the centre position of groove, and the exiting surface of LED tube core is outwardly, and the shady face of LED tube core is inwardly;
After C, LED tube core set, in described substrate recess in, at the shady face of LED tube core one control chip is set also, be used for controlling the luminous of LED light emitting diode;
D, couple together with described LED tube core of lead and described control chip by welding or other mode;
E, filler is inserted in the groove, and between groove, formed a shell, make described shell and described LED tube core by the setting of combining closely of described filler; For example, shell is set to protruding shell, recessed shell or flat shell;
F, connect each substrate, form described LED lamp bar.
For example, on the basis of above-mentioned each example, present embodiment provides a kind of manufacture method of LED light-emitting diode light bar, carries out following steps:
A, according to the actual needs, the substrate of selecting big or small thickness all to be fit to uses laser exploitation or cutting technology directly to carve the groove that corresponds to actual needs on substrate;
B, groove exploitation finish, and the LED tube core is arranged in the described substrate recess, and the position of setting is roughly in the centre position of groove, and the exiting surface of LED tube core is outwardly, and the shady face of LED tube core is inwardly;
After C, LED tube core set, in described substrate recess in, at the shady face of LED tube core one control chip is set also, be used for controlling the luminous of LED light emitting diode;
D, couple together with described LED tube core of lead and described control chip by welding or other mode;
E, according to required emission wavelength, the cadmium selenide nano crystallite is blended in the filler in the ratio of pre-seting, light direction at described LED tube core, described filler is fixedly installed on described groove top, form the shell of described LED light emitting diode, make described shell and described LED tube core by the setting of combining closely of described filler;
F, connect each substrate, form described LED lamp bar.
Should be understood that, for those of ordinary skills, can be improved according to the above description or conversion, and all these improvement and conversion all should belong to the protection domain of claims of the present invention.
Claims (10)
1, a kind of LED lamp bar is characterized in that, comprises at least one substrate, is arranged at least two grooves on the described substrate, at least two LED light emitting diodes, at least one control chip, at least one group of connecting line;
Wherein, one group of connecting line comprises at least one electrode line, at least one negative line, at least one holding wire, and is connected respectively to outside power supply and signal source;
Described LED light emitting diode comprises LED tube core, filler, an anodal pin and a negative pole pin; The both positive and negative polarity of described LED tube core correspondence respectively is connected to described anodal pin and described negative pole pin;
Described LED tube core is arranged in the described groove;
Described filler is positioned at the light direction of described LED tube core, is fixedly installed on described groove top, and is set to the shell of described LED light emitting diode;
And described shell and described LED tube core be by the setting of combining closely of described filler, and, the cadmium selenide nano crystallite also is set in the described filler, described cadmium selenide nano crystallite is blended in the described filler in the ratio of pre-seting, and is used to control emission wavelength;
Described control chip comprises a positive terminal, a negative pole end, a signal input part and at least one control signal output;
Described positive terminal and described negative pole end correspondence respectively are connected to described electrode line and described negative line;
Described signal input part is connected with described holding wire, is used to receive the signal of the described LED light emitting diode of control;
Described control signal output is connected with arbitrary pin of described LED light emitting diode, is used to send control signals to described LED light emitting diode;
Another pin of described LED light emitting diode is connected to described electrode line or described negative line by its polarity.
2, LED lamp bar according to claim 1 is characterized in that, at least one first Connection Block also is set on the described substrate, adopt to peg graft or snap fit, interconnects transmission power supply and signal source with first Connection Block of other substrate.
3, LED lamp bar according to claim 1, it is characterized in that, correspondence is respectively organized connecting line, some second Connection Blocks also are set on the described substrate, be used at least one electrode line, at least one negative line, at least one holding wire, adopt and peg graft or snap fit, be connected respectively to outside power supply and signal source.
4, LED lamp bar according to claim 1 is characterized in that, described shell is protruding shell, recessed shell or flat shell.
5, LED lamp bar according to claim 1 is characterized in that, described control signal output is connected with the negative pole pin of described LED light emitting diode, and the anodal pin of described LED light emitting diode is connected to described electrode line.
6, LED lamp bar according to claim 1 is characterized in that, described control signal output is connected with the anodal pin of described LED light emitting diode, and the negative pole pin of described LED light emitting diode is connected to and described negative line.
7, LED lamp bar according to claim 1 is characterized in that, another pin of described LED light emitting diode by an Access Division, is connected to described electrode line or the corresponding clamping position that is provided with of described negative line by its polarity.
8, a kind of LED screen body is characterized in that, comprises at least two as the arbitrary described LED lamp bar of claim 1 to 7;
Each described LED lamp bar rule is arranged, order is electrically connected and is connected with signal.
9, a kind of as claim 1 to 7 arbitrary as described in the manufacture method of LED lamp bar, it is characterized in that, carry out following steps,
A, the exploitation of use laser or cutting technology directly carve groove on substrate;
B, respectively each LED tube core is arranged in the described groove;
C, respectively each control chip is arranged in described substrate or the groove;
D, connect described LED tube core and described control chip by lead;
E, according to required emission wavelength, the cadmium selenide nano crystallite is blended in the filler in the ratio of pre-seting, light direction at described LED tube core, described filler is fixedly installed on described groove top, form the shell of described LED light emitting diode, make described shell and described LED tube core by the setting of combining closely of described filler;
F, connect each substrate, form described LED lamp bar.
10, manufacture method according to claim 9 is characterized in that, described filler comprises semiconductor nanocrystal, fluorescent material or its mixture; Utilize method of spin coating, ink jet printing method, wire mark method or spray gun rubbing method, make described filler form the shell of described LED light emitting diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910082292A CN101539257A (en) | 2009-04-22 | 2009-04-22 | LED lamp strip and manufacturing method as well as LED screen body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910082292A CN101539257A (en) | 2009-04-22 | 2009-04-22 | LED lamp strip and manufacturing method as well as LED screen body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101539257A true CN101539257A (en) | 2009-09-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910082292A Withdrawn CN101539257A (en) | 2009-04-22 | 2009-04-22 | LED lamp strip and manufacturing method as well as LED screen body |
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| Country | Link |
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| CN (1) | CN101539257A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101672437A (en) * | 2009-09-18 | 2010-03-17 | 深圳市华海诚信电子显示技术有限公司 | LED module and LED screen |
| CN108297692A (en) * | 2018-03-28 | 2018-07-20 | 东莞市银泰丰光学科技有限公司 | A kind of onboard instruments dish structure and its indicating means |
-
2009
- 2009-04-22 CN CN200910082292A patent/CN101539257A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101672437A (en) * | 2009-09-18 | 2010-03-17 | 深圳市华海诚信电子显示技术有限公司 | LED module and LED screen |
| CN108297692A (en) * | 2018-03-28 | 2018-07-20 | 东莞市银泰丰光学科技有限公司 | A kind of onboard instruments dish structure and its indicating means |
| CN108297692B (en) * | 2018-03-28 | 2023-10-20 | 东莞市银泰丰光学科技有限公司 | Vehicle-mounted instrument panel structure and indication method thereof |
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