CN2599702Y - Light-emitting diode printed circuit board and display device - Google Patents
Light-emitting diode printed circuit board and display device Download PDFInfo
- Publication number
- CN2599702Y CN2599702Y CNU032369719U CN03236971U CN2599702Y CN 2599702 Y CN2599702 Y CN 2599702Y CN U032369719 U CNU032369719 U CN U032369719U CN 03236971 U CN03236971 U CN 03236971U CN 2599702 Y CN2599702 Y CN 2599702Y
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- CN
- China
- Prior art keywords
- emitting diode
- circuit board
- printed circuit
- group
- light emitting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Illuminated Signs And Luminous Advertising (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The utility model discloses a LED printed circuit board and a display device, which provides a display device with simple circuit, high reliability and low power consumption. The technical proposal is that: the display device comprises a LED, a shell with bottom slot and wires. The shell with bottom slot is mounted with an upper shell. The LED is arranged on the printed circuit board arranged in the upper shell. Holes are arranged on the upper shell corresponding to the LED on the printed circuit board and the LED extends out form the holes. The printed circuit board is arranged with the following circuit: one current-limiting resistance is connected with at least one capacitance and at least one LED group; the LED group comprises at least two LEDs with parallel connection and many groups are combined with series connection. The utility model can use alternate current.
Description
Technical field
The utility model relates to a kind of display technique, more particularly, relates to a kind of light emitting display device.
Background technology
In existing lighting field, light emitting display device is the connected mode that the used circuit of LED display device all adopts a plurality of light emitting diode series connection, uses direct supply, adopts rectifier bridge in the led drive circuit.Need in such circuit alternating current is become galvanic transformer or rectifier bridge heap, make the circuit complexity.And the diode series system is when connecting, when certain diode open circuit damage after, other diodes all can not be luminous, influence shows, poor reliability.
The utility model content
The utility model is in order to overcome weak point of the prior art, to provide a kind of circuit simple, the reliability height, and the power consumption I is directly used the circuit of LED and the display device of alternating current.
Concrete technical scheme is:
A kind of light emitting diode printed circuit board, comprise base material, described base material is provided with following circuit: at least one current-limiting resistance is connected with at least one electric capacity and at least one group of light-emitting diode group, and described light-emitting diode group adopts anodal being connected in parallel with negative pole to form by at least two light emitting diodes.Described light-emitting diode group is 1～50 group.When described light-emitting diode group was many group, the employing series connection method was connected between group and the group.
The invention also discloses a kind of display device, comprise light emitting diode, base channel shell body and wiring, described base channel shell body is connected with upper body; Described light emitting diode is arranged on the printed circuit board (PCB), and described printed circuit board (PCB) is arranged in the upper body, and the position corresponding with light emitting diode on the printed circuit board (PCB) is provided with porosely on the described upper body, and described light emitting diode passes this hole; Described printed circuit board (PCB) is provided with following circuit: at least one current-limiting resistance is connected with at least one electric capacity and at least one group of light-emitting diode group, described light-emitting diode group adopts anodal being connected in parallel with negative pole to form by at least two light emitting diodes, and described light-emitting diode group adopts series connection method to connect when being organize more.Described base channel shell body sidewall is provided with groove, and described upper body sidewall is provided with and the corresponding groove of base channel shell body.
The utlity model has following beneficial effect:
1. the utility model has saved rectifier bridge heap element, and circuit is formed simple and reliable, can be directly used in 220 volts
Or in the low-voltage alternating-current circuit;
2.LED low anti-phase voltage breakdown is played effective protection, and partial LED lost efficacy, and did not influence other LED
Lighting function;
3. mains fluctuations ± 20%, the electric current variation does not exceed same percentage, drives in 220 volts of civil powers
Circuit power consumption is little;
4. with in the TV university system, because inductance interaction in electric capacity and the main circuit, improved power load
Power factor;
5. production, easy for installation.
Description of drawings
Fig. 1 is circuit of LED figure;
Fig. 2 is display device structure figure.
Among the figure: 1. modular cartridge loam cake 2. modular cartridge bases 3. printed circuit board (PCB)s
4. light emitting diode 5. connects lead 6. mounting holes.
Embodiment
As shown in Figure 1, be circuit diagram of the present utility model, comprise electric capacity, current-limiting resistance and array light-emitting diode group.The positive pole that is LED with two light emitting diodes is connected with negative pole, promptly becomes one group of light emitting diode, and the quantity of every group of light emitting diode can be a plurality of as required, can be that odd number also can be an even number.The quantity of light-emitting diode group can adopt 1～50 group as required.The employing connected mode of connecting between group and the group.Electric capacity, current-limiting resistance and array light emitting diode group are connected in series, promptly form circuit of LED.As required, different color light LED can use with.Current-limiting resistance can be that single group also can be many groups as required, and its serial connection position can be as required.
As shown in Figure 2, bottom grooved object sidewall is provided with groove, and the bottom has two mounting holes; The upper body sidewall is provided with and the corresponding groove of base channel shell body, is used for the installation that cooperates of base channel shell body and upper body.Adopting screen printing mode to be imprinted in circuit shown in Figure 1 promptly becomes printed circuit board (PCB), draws lead-in wire on the base material.With the position of respective leds on the above-mentioned printed circuit board (PCB) light emitting diode of burn-oning, and the hole that the light emitting diode on the printed circuit board (PCB) is aimed on the upper body inserted upper body, upper body is connected with base channel shell body promptly forms display device again.This device can be directly used in the alternating circuit.
Claims (6)
1. light emitting diode printed circuit board, comprise base material, it is characterized in that, described base material is provided with following circuit: at least one current-limiting resistance is connected with at least one electric capacity and at least one group of light-emitting diode group, and described light-emitting diode group adopts anodal being connected in parallel with negative pole to form by at least two light emitting diodes.
2. light emitting diode printed circuit board according to claim 1 is characterized in that, described light-emitting diode group is 1～50 group.
3. light emitting diode printed circuit board according to claim 1 is characterized in that, when described light-emitting diode group was many group, the employing series connection method was connected between group and the group.
4. a display device comprises light emitting diode, base channel shell body and wiring, it is characterized in that, described base channel shell body is connected with upper body; Described light emitting diode is arranged on the printed circuit board (PCB), and described printed circuit board (PCB) is arranged in the upper body, and the position corresponding with light emitting diode on the printed circuit board (PCB) is provided with porosely on the described upper body, and described light emitting diode passes this hole; Described printed circuit board (PCB) is provided with following circuit: at least one current-limiting resistance is connected with at least one electric capacity and at least one group of light-emitting diode group, described light-emitting diode group adopts anodal being connected in parallel with negative pole to form by at least two light emitting diodes, and described light-emitting diode group adopts series connection method to connect when being organize more.
5. display device according to claim 4 is characterized in that, described base channel shell body sidewall is provided with groove, states the upper body sidewall and is provided with and the corresponding groove of base channel shell body.
6. display device according to claim 4 is characterized in that, described base channel shell body bottom is provided with mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU032369719U CN2599702Y (en) | 2003-01-30 | 2003-01-30 | Light-emitting diode printed circuit board and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU032369719U CN2599702Y (en) | 2003-01-30 | 2003-01-30 | Light-emitting diode printed circuit board and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2599702Y true CN2599702Y (en) | 2004-01-14 |
Family
ID=34167103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU032369719U Expired - Fee Related CN2599702Y (en) | 2003-01-30 | 2003-01-30 | Light-emitting diode printed circuit board and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2599702Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006056121A1 (en) * | 2004-11-24 | 2006-06-01 | Chiu-Jung Yang | The integrated-type led and manufacturing method thereof |
| CN100442335C (en) * | 2006-04-20 | 2008-12-10 | 启耀光电股份有限公司 | Light-emitting device |
| CN102307412A (en) * | 2011-03-09 | 2012-01-04 | 友达光电股份有限公司 | Light emitting device with high operation reliability and light source system using the same |
-
2003
- 2003-01-30 CN CNU032369719U patent/CN2599702Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006056121A1 (en) * | 2004-11-24 | 2006-06-01 | Chiu-Jung Yang | The integrated-type led and manufacturing method thereof |
| CN100442335C (en) * | 2006-04-20 | 2008-12-10 | 启耀光电股份有限公司 | Light-emitting device |
| CN102307412A (en) * | 2011-03-09 | 2012-01-04 | 友达光电股份有限公司 | Light emitting device with high operation reliability and light source system using the same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |