CN207398145U - A kind of LED lamp bead of built-in IC - Google Patents
A kind of LED lamp bead of built-in IC Download PDFInfo
- Publication number
- CN207398145U CN207398145U CN201721072443.7U CN201721072443U CN207398145U CN 207398145 U CN207398145 U CN 207398145U CN 201721072443 U CN201721072443 U CN 201721072443U CN 207398145 U CN207398145 U CN 207398145U
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- Prior art keywords
- pedestal
- driving
- led chip
- led
- built
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Abstract
The utility model discloses a kind of LED lamp beads of built-in IC, and including pedestal, which is plate body structure, and tool is circular installation cavity there are one cross section, has driving IC and LED chip in the installation cavity；Four pins are set on the pedestal, which is extended outwardly by the side of pedestal and be bent to the lower face of the pedestal respectively forms symmetrical first pad and the second pad；Four pins are ground terminal VSS, data input pin DIN, power input VDD and data output end DOUT respectively；The data input pin DIN connects the signal input pin of the driving IC by gold thread, data output end DOUT connects the signal output foot of the driving IC by gold thread, the power input VDD connects the supply pin of the driving IC by gold thread, and the LED drivings end of the driving IC connects the LED chip by gold thread.By the way that this technique avoids LED chip is driven to cause complex circuit by external driving and replaces the problem of inconvenient.
Description
Technical field
The utility model is related to LED technology field, especially a kind of LED lamp bead of built-in IC.
Background technology
Typical LED is a kind of solid state semiconductor devices that can convert electrical energy into visible ray, it can direct handle
Electricity is converted into light.The heart of LED is the chip of a semiconductor, and one end of chip is attached on a stent, and one end is cathode, separately
One end connects the anode of power supply, makes entire chip by epoxy encapsulation.
Traditional LED lamp bead needs external driving power to be driven LED chip luminous when in use so that
The circuit setting of entire LED is increasingly complex, and it is also inconvenient to replace.
Therefore, above-mentioned technical problem needs to solve.
Utility model content
For overcome the deficiencies in the prior art, the utility model proposes a kind of LED lamp beads of built-in IC, it is therefore intended that solves
Solve the problems, such as that existing bonded LED lamp does not have breakpoint transmission function and easily influences the global displays of LED.
In order to solve the technical issues of above-mentioned, the utility model proposes basic technical scheme be：
A kind of LED lamp bead of built-in IC, including：
Pedestal, the pedestal are plate body structure, and tool is circular installation cavity there are one cross section, is had in the installation cavity
There are driving IC and LED chip；
Four pins are set on the pedestal, which is extended outwardly and be bent to by the side of pedestal respectively
The lower face of the pedestal forms symmetrical first pad and the second pad；Four pins are ground terminal VSS, number respectively
According to input terminal DIN, power input VDD and data output end DOUT；
Wherein, the data input pin DIN connects the signal input pin of the driving IC, data output end by gold thread
DOUT connects the signal output foot of the driving IC by gold thread, and the power input VDD connects the driving by gold thread
The supply pin of IC, the LED drivings end of the driving IC connect the LED chip by gold thread.
Further, transparent packaging plastic is filled in the installation cavity.
Further, the LED chip includes red LED chip, green LED chip and blue-light LED chip；Wherein, institute
The LED driving ends for stating driving IC are exported including three tunnels, are feux rouges output terminal OUTR, green light OUTG and blue laser output end respectively
OUTB；The red LED chip connects feux rouges output terminal OUTR, green LED chip connection green light OUTG, and blue-light LED chip connects
Meet blue laser output end OUTB.
Further, the length and width of each pin in four pins is 1mm.
Further, the spacing of the first pad and the second pad is 3.4mm.
Further, four are set on the pedestal for placing the groove of four pins, each groove is convex shape,
Corresponding four pins are located at the part in the groove for the convex shape with matching grooves.
Further, four pins are bent in the lower end of the pedestal towards the lower face.
Further, in the lower face of pedestal tool there are four the card slot that is recessed inwardly, after four bending pins
Correspondence is fallen into a card slot.
The beneficial effects of the utility model are：
In the technical solution of the utility model, pedestal, the pedestal is plate body structure, and tool is circular there are one cross section
Installation cavity, the installation cavity is interior to have driving IC and LED chip；Four pins, four pins are set on the pedestal
The lower face for being extended outwardly respectively by the side of pedestal and being bent to the pedestal forms symmetrical first pad and
Two pads；Four pins are electrically connected with the driving IC, and the driving IC is electrically connected with LED chip.Pass through the technology
Driving IC is integrated in LED lamp bead, avoids and LED chip is driven complex circuit is caused to be asked by external driving
Topic.
Description of the drawings
Fig. 1 is a kind of top view of the LED lamp bead of built-in IC；
Fig. 2 is a kind of bottom view of the LED lamp bead of built-in IC；
Fig. 3 is the transverse sectional view (part) of pedestal；
Fig. 4 is the longitudinal sectional view (part) of pedestal.
Specific embodiment
The technical scheme in the embodiment of the utility model is clearly and completely retouched below in conjunction with attached drawing 1 to attached drawing 4
It states, it is clear that described embodiment is only the part of the embodiment of the utility model, instead of all the embodiments.It is based on
Embodiment in the utility model, those of ordinary skill in the art are obtained all without creative efforts
Other embodiment shall fall within the protection scope of the present invention.
A kind of LED lamp bead of built-in IC, including pedestal 1, which is plate body structure, and tool is circle there are one cross section
The installation cavity 11 of shape, the installation cavity 11 is interior to have driving IC2 and LED chip 3；
Four pins are set on the pedestal 1, which is extended outwardly and be bent by the side of pedestal 1 respectively
Symmetrical first pad, 12 and second pad 13 is formed to the lower face of the pedestal 1.The LED lamp bead is adopting surface mounted LED,
Convenient for subsequent use.The spacing of first pad 12 and the second pad 13 is 3.4mm.Each pin in four pins
Length and width is all 1mm.
Further, in detail, which is ground terminal VSS, data input pin DIN, power input VDD respectively
With data output end DOUT；Wherein, the data input pin DIN connects the signal input pin of the driving IC2, number by gold thread
The signal output foot of the driving IC2 is connected by gold thread according to output terminal DOUT, the power input VDD is connected by gold thread
The supply pin of the driving IC2, the LED drivings end of the driving IC2 connect the LED chip 3 by gold thread.Wherein, drive
IC2 and the interval of LED chip 3 are arranged side by side.Wherein, power input VDD and data output end DOUT are arranged on the same side, form
First pad 12；Ground terminal VSS and data input pin DIN is located at the same side, forms the second pad 13.
In order to be packaged to driving IC2 and LED chip 3, transparent packaging plastic is filled in the installation cavity 11.
In order to realize that broken colour is shown, the LED chip 3 includes red LED chip, green LED chip and blue-ray LED core
Piece；Wherein, the LED driving ends of the driving IC2 are exported including three tunnels, are feux rouges output terminal OUTR, green light OUTG and indigo plant respectively
Light output end OUTB；The red LED chip connects feux rouges output terminal OUTR, green LED chip connection green light OUTG, blue light
LED chip connection blue laser output end OUTB.
Detailed, in order to realize the fixation of four pins, four are set on the pedestal 1 for four pins of placement
Groove 14, each groove 14 are convex shape, and the part that corresponding four pins are located in the groove 14 is matched convex with groove 14
Font.So when assembling, convex shape part and the groove 14 of four pins are connected, and can ensure four pin dresses
Stability after matching somebody with somebody.In addition, four pins are bent in the lower end of the pedestal 1 towards the lower face, to realize patch type
It is affixed.Wherein in the lower face of the pedestal 1 tool there are four the card slot 15 that is recessed inwardly, after four bending pins it is corresponding fall
Enter in a card slot 15.It will not excessively be protruded at the lower face of pedestal 1 after so ensureing four bending pins, so as to subsequent
Attachment.
In short, LED chip and driving IC are integrated in one by the technical solution of the utility model, reduce LED light needs
The problem of more wirings.
Specifically, applied at some, it is complete available for LED full-color light-emitting words lamp string, LED using 5050LED encapsulating structures
Color module, the soft or hard lamp bar of LED illusion-colours, LED guardrail tube, LED appearances/scene lighting, LED point light source, LED pixel screen, LED abnormity
The fields such as screen and various electronic products, electrical equipment horse race lamp.Specifically, this technology is internally integrated high quality external control single line string
Row cascade constant current driving IC2；Driving IC2 can be integrated in LED chip in 5050 components of SMD, form a complete external control
Pixel, color blending effect is uniform and uniformity is high；Onboard data shaping circuit, any one pixel are received after signal by ripple
Shape shaping exports again, ensures that line waveform distortion will not add up.Built-in ring shake (800MHZ) support uninterrupted FREE-RUN modulation
Output maintains picture still function；Three tunnel constant current drivings, per road driving current 17mA；(256 grades of gray scales can for gray regulating circuit
Adjust), largest serial input data frequency 800KHZ；Broken string is resumed driver 3 and is transmitted using two-wire data, and data, which have, locks mutually again
Raw, data transmission cascades point light source up to 1024.Built-in power reverse connecting protection module, reverse power connection will not damage IC.
Specifically, the parameter of the LED lamp bead of the utility model is as follows：
| Light emitting angle | Color | Power (W) | Electric current (mA) | Voltage (V) | Wavelength (nm) | Brightness (MCD) |
| 120 | Feux rouges | 0.04 | 20 | 2.0-2.2 | 620-625 | 400-500 |
| 120 | Green light | 0.06 | 20 | 3.0-3.2 | 520-525 | 800-1000 |
| 120 | Blue light | 0.06 | 20 | 3.0-3.2 | 465-470 | 300-400 |
The specific electric parameter of the technical solution of the utility model is as follows：
Table one：(absolute rating：Ta=25 DEG C；CSS=0V)
| Parameter | Symbol | Scope | Unit |
| Input voltage | VIN | + 5~+24 | V |
| Logic input voltage | VI | - 0.5~VDD+5.5 | V |
| Operating temperature | Topt | - 40~+85 | ℃ |
| Storage temperature | Tstg | - 50~+150 | ℃ |
| ESD is pressure-resistant | CESD | 4000 | V |
Table 2：Dynamic parameter (Ta=25 DEG C)
Table 3：(unless otherwise specified, Ta=-20~+70 DEG C；VDD=4.5~5.5V；VSS=0V)
| Parameter | Symbol | It is minimum | Typical case | It is maximum | Unit | Test condition |
| Chip internal supply voltage | VDD | --- | 5.2 | --- | V | --- |
| R/G/B ports are pressure-resistant | VDS.MAX | --- | --- | 17 | V | --- |
| Maximum LED output currents | Iomax | --- | --- | 18 | mA | --- |
| Clock high level width | TCLKH | --- | --- | ＞ 30 | ns | --- |
| Clock low width | TCLKL | --- | --- | ＞ 30 | ns | --- |
| Time when data are established | TSETUP | --- | --- | ＞ 10 | ns | --- |
| PWM frequency | FPWM | --- | 1.6 | --- | KHZ | --- |
| Quiescent dissipation | IDD | --- | 1 | --- | mA | --- |
In short, the technical solution of the utility model, due to
According to the disclosure and teachings of the above specification, the utility model those skilled in the art can also be to above-mentioned reality
The mode of applying is changed and changed.Therefore, the utility model is not limited to specific embodiment disclosed and described above, right
Some modifications and changes of the utility model should also be as falling into the scope of the claims of the utility model.In addition, to the greatest extent
Some specific terms have been used in pipe this specification, but these terms are merely for convenience of description, not to the utility model
Form any restrictions.
Claims (8)
1. a kind of LED lamp bead of built-in IC, which is characterized in that including：
Pedestal (1), the pedestal (1) are plate body structure, and tool is circular installation cavity (11) there are one cross section, and the installation is empty
There is driving IC (2) and LED chip (3) in chamber (11)；
Four pins are set on the pedestal (1), which is extended outwardly and be bent by the side of pedestal (1) respectively
Symmetrical first pad (12) and the second pad (13) are formed to the lower face of the pedestal (1)；Four pin difference
It is ground terminal VSS, data input pin DIN, power input VDD and data output end DOUT；
Wherein, the data input pin DIN connects the signal input pin of the driving IC (2), data output end by gold thread
DOUT connects the signal output foot of the driving IC (2) by gold thread, and the power input VDD connects the drive by gold thread
The supply pin of dynamic IC (2), the LED drivings end of the driving IC (2) connect the LED chip (3) by gold thread.
2. a kind of LED lamp bead of built-in IC as described in claim 1, it is characterised in that：
Transparent packaging plastic is filled in the installation cavity (11).
3. a kind of LED lamp bead of built-in IC as described in claim 1, it is characterised in that：
The LED chip (3) includes red LED chip, green LED chip and blue-light LED chip；
Wherein, it is described driving IC (2) LED driving end include three tunnels output, be respectively feux rouges output terminal OUTR, green light OUTG and
Blue laser output end OUTB；
The red LED chip connects feux rouges output terminal OUTR, green LED chip connection green light OUTG, blue-light LED chip connection
Blue laser output end OUTB.
4. a kind of LED lamp bead of built-in IC as described in claim 1, it is characterised in that：
The length and width of each pin in four pins is 1mm.
5. a kind of LED lamp bead of built-in IC as described in claim 1, it is characterised in that：
The spacing of first pad (12) and the second pad (13) is 3.4mm.
6. a kind of LED lamp bead of built-in IC as described in claim 1, it is characterised in that：
Four are set on the pedestal (1) for placing the groove (14) of four pins, each groove (14) is convex shape, right
The part that four pins are located in the groove (14) is answered to be and groove (14) matched convex shape.
7. a kind of LED lamp bead of built-in IC as described in claim 1, it is characterised in that：
Four pins are bent in the lower end of the pedestal (1) towards the lower face.
8. a kind of LED lamp bead of built-in IC as claimed in claim 7, it is characterised in that：
In the lower face of the pedestal (1), tool is there are four the card slot (15) that is recessed inwardly, after four bending pins it is corresponding fall
Enter in a card slot (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721072443.7U CN207398145U (en) | 2017-08-25 | 2017-08-25 | A kind of LED lamp bead of built-in IC |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721072443.7U CN207398145U (en) | 2017-08-25 | 2017-08-25 | A kind of LED lamp bead of built-in IC |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207398145U true CN207398145U (en) | 2018-05-22 |
Family
ID=62418406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721072443.7U Expired - Fee Related CN207398145U (en) | 2017-08-25 | 2017-08-25 | A kind of LED lamp bead of built-in IC |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207398145U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108615726A (en) * | 2018-07-12 | 2018-10-02 | 深圳市天成照明有限公司 | A kind of lamp bead of built-in IC |
| CN109037173A (en) * | 2018-07-31 | 2018-12-18 | 上海源微电子科技有限公司 | A kind of paster type encapsulation structure of LED linear driving chip |
| CN110957312A (en) * | 2019-11-29 | 2020-04-03 | 深圳极光王科技股份有限公司 | Four-pin LED lamp bead with built-in chip and LED display module |
| CN114001286A (en) * | 2021-11-05 | 2022-02-01 | 深圳市彩立德照明光电科技有限公司 | Packaging structure for realizing LED lamp bead and lamp driving integration |
-
2017
- 2017-08-25 CN CN201721072443.7U patent/CN207398145U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108615726A (en) * | 2018-07-12 | 2018-10-02 | 深圳市天成照明有限公司 | A kind of lamp bead of built-in IC |
| CN109037173A (en) * | 2018-07-31 | 2018-12-18 | 上海源微电子科技有限公司 | A kind of paster type encapsulation structure of LED linear driving chip |
| CN110957312A (en) * | 2019-11-29 | 2020-04-03 | 深圳极光王科技股份有限公司 | Four-pin LED lamp bead with built-in chip and LED display module |
| CN114001286A (en) * | 2021-11-05 | 2022-02-01 | 深圳市彩立德照明光电科技有限公司 | Packaging structure for realizing LED lamp bead and lamp driving integration |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180522 Termination date: 20210825 |