CN202889732U - Novel dense LED (Light-Emitting Diode) backlight source circuit structure - Google Patents
Novel dense LED (Light-Emitting Diode) backlight source circuit structure Download PDFInfo
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- CN202889732U CN202889732U CN 201220550952 CN201220550952U CN202889732U CN 202889732 U CN202889732 U CN 202889732U CN 201220550952 CN201220550952 CN 201220550952 CN 201220550952 U CN201220550952 U CN 201220550952U CN 202889732 U CN202889732 U CN 202889732U
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Abstract
The utility model discloses a novel dense LED (Light-Emitting Diode) backlight source circuit structure. The novel dense LED backlight source circuit structure comprises a red circuit, a green circuit, a blue circuit and a yellow circuit, wherein more than six LED lamps with the corresponding colors are respectively connected on the red circuit, the green circuit, the blue circuit and the yellow circuit in series; a first resistor is connected on the red circuit in series; a second resistor is connected on the green circuit in series; a third resistor is connected on the blue circuit in series; a fourth resistor is connected on the green circuit in series; the first resistor, the second resistor, the third resistor and the fourth resistor are arranged in a staggered manner; the red circuit, the green circuit, the blue circuit and the yellow circuit is respectively provided with a positive electrode; the whole circuit is provided with a public negative electrode; and the positive electrodes and the negative electrode are connected with an external welding disc. According to the novel dense LED backlight source circuit structure disclosed by the utility model, the problems that the assembly routing space is too small to reach the design requirements in the prior art, and the circuit structure is large in size and unattractive when the lamps with the four colors are independently light up are solved. Moreover, the novel dense LED backlight source circuit structure has the characteristics of being simple in structure, low in manufacturing cost, compact in structure, capable of lighting up the branch circuits independently, also capable of lighting up all the branch circuits together, and the like.
Description
Technical field
The utility model relates to the LED-backlit source technology, is a kind of novel intensive LED-backlit source circuit structure specifically.
Background technology
LED-backlit of the prior art source, the general light guide plate that adopts, the light guide plate positive and negative is pasted diffusion barrier and reflectance coating with double faced adhesive tape and black silver-colored photomask respectively, be provided with led light source in light guide plate one side, led light source when led light source needs colour mixture to require, can exist cabling space little by the electric wire splicing ear, the LED lamp generally adopts the parallel form structure to connect, thereby can't install.On the other hand, when 4 kinds of colors require to light separately, about assembling space General Requirements 4.5mm, also can't reach designing requirement.
The utility model content
The purpose of this utility model is to overcome the deficiency that above prior art exists, and provides a kind of simple in structure, low cost, compact conformation and each parallel circuit can light separately the novel intensive LED-backlit source circuit structure that also can light together.
In order to achieve the above object, the utility model is by the following technical solutions: a kind of novel intensive LED-backlit source circuit structure, comprise red circuit, the green line road, the blue line road, the yellow line road, red circuit, the green line road, the LED lamp of 6 the above respective color of respectively connecting respectively on blue line road and the yellow line road, series connection the first resistance on the red circuit, series connection the second resistance on the green line road, series connection the 3rd resistance on the blue line road, series connection the 4th resistance on the green line road, the first resistance, the second resistance, the 3rd resistance and the 4th resistance are and shift to install, red circuit, the green line road, the blue line road, the yellow line road is each own positive pole respectively, whole circuit arranges a public negative pole, anodal be connected negative pole and be connected with external pad.
Preferably,6 red LED lamp of series connection on the described red circuit, 6 green LED lamp of series connection on the green line road, 6 blue led lamps of series connection on the blue line road, 6 yellow LED lamp of series connection on the yellow line road.
Preferably,Described the first resistance, the second resistance, the 3rd resistance and the 4th resistance resistance each other are different.
Preferably,Whole circuit supply voltage is 24V, and electric current is 20mA.
Operation principle of the present utility model: a kind of novel intensive LED-backlit source circuit structure, comprise red circuit, the green line road, the blue line road, the yellow line road, red circuit, the green line road, the LED lamp of 6 the above respective color of respectively connecting respectively on blue line road and the yellow line road, series connection the first resistance on the red circuit, series connection the second resistance on the green line road, series connection the 3rd resistance on the blue line road, series connection the 4th resistance on the green line road, the first resistance, the second resistance, the 3rd resistance and the 4th resistance are and shift to install, red circuit, the green line road, the blue line road, the yellow line road is each own positive pole respectively, whole circuit arranges a public negative pole, anodal be connected negative pole and be connected with external pad.
The LED lamp of each circuit all adopts series connection, and the first resistance, the second resistance, the 3rd resistance and the 4th resistance are and shift to install, can guarantee in the limited space, the good line of cloth, reach designing requirement, the LED lamp of each circuit all adopts series connection can also reach the requirement that monochrome is lighted, when the needs different colours, can open different colors and carry out colour mixture, thereby reach designing requirement.
The utility model has following advantage and effect with respect to prior art:
1, the utility model has adopted the LED lamp of 6 the above respective color of respectively connecting respectively on red circuit, green line road, blue line road and the yellow line road, series connection the first resistance on the red circuit, series connection the second resistance on the green line road, series connection the 3rd resistance on the blue line road, series connection the 4th resistance on the green line road, the first resistance, the second resistance, the 3rd resistance and the 4th resistance are and shift to install, and have simple in structure, low cost, compact conformation and each parallel circuit and can light separately the characteristics such as also can light together.
2, the first resistance in the utility model, the second resistance, the 3rd resistance and the 4th resistance are and shift to install, and can save cabling space, reach designing requirement.
3, the utility model can single line be lighted, and also can many circuits lights together and carries out colour mixture, and switching on together such as R, G, three kinds of colors of B can display white.
Description of drawings
Fig. 1 is a kind of structural representation of facing of novel intensive LED-backlit source circuit structure;
Fig. 2 is a kind of backsight structural representation of novel intensive LED-backlit source circuit structure;
Fig. 3 is a kind of circuit theory diagrams of novel intensive LED-backlit source circuit structure.
Number in the figure and title are as follows:
| 1 | |
2 | The |
| 3 | The |
4 | The yellow line road |
| 5 | The first resistance | 6 | The second resistance |
| 7 | The 3rd resistance | 8 | The 4th resistance |
| 9 | Public |
10 | |
| 11 | |
12 | Green LED lamp |
| 13 | The blue led lamp | 14 | Yellow LED lamp |
Embodiment
For ease of it will be appreciated by those skilled in the art that the utility model is described in further detail below in conjunction with drawings and Examples.
Embodiment:
Shown in Fig. 1 ~ 2, a kind of novel intensive LED-backlit source circuit structure, comprise red circuit 1, green line road 2, blue line road 3, yellow line road 4, red circuit 1, green line road 2, the LED lamp of 6 the above respective color of respectively connecting respectively on blue line road 3 and the yellow line road 4, series connection the first resistance 5 on the red circuit 1, series connection the second resistance 6 on the green line road 2, series connection the 3rd resistance 7 on the blue line road 3, series connection the 4th resistance 8 on the green line road 4, the first resistance 5, the second resistance 6, the 3rd resistance 7 and the 4th resistance 8 are and shift to install, red circuit 1, green line road 2, blue line road 3, yellow line road 4 is each own positive pole respectively, whole circuit arranges a public negative pole 9, anodal be connected negative pole 9 and be connected with external pad 10.The first resistance 5, the second resistance 6, the 3rd resistance 7 and the 4th resistance 8 directly are not connected on the positive pole, select to be connected on each minute circuit, reach the purpose of conserve space cabling.
6 red LED lamp 11 of series connection on the red circuit 1 in the present embodiment, 6 green LED lamp 12 of series connection on the green line road 2,6 blue led lamps 13 of series connection on the blue line road 3,6 yellow LED lamp 14 of series connection on the yellow line road 4, the first resistance 5, the second resistance 6, the 3rd resistance 7 and the 4th resistance 8 resistance each other are different, whole circuit supply voltage is 24V, and electric current is 20mA.
As shown in Figure 3, A1 is that red circuit 1, A2 are that green line road 2, A3 are that blue line road 3, A4 are yellow line road 4, and R1 is the first resistance 5, R2 is the second resistance 6, R3 is the 3rd resistance 7, and R4 is the 4th resistance 8, and K is public negative pole 9, every circuit all is that series connection consists of, control switch has been saved the space separately, reaches designing requirement, can also carry out colour mixture and process, switching on together such as R, G, three kinds of colors of B can display white.
Above-mentioned embodiment is preferred embodiment of the present utility model; can not limit the utility model; other any change that does not deviate from the technical solution of the utility model and make or other equivalent substitute mode are included within the protection range of the present utility model.
Claims (4)
1. novel intensive LED-backlit source circuit structure, it is characterized in that: comprise red circuit, the green line road, the blue line road, the yellow line road, red circuit, the green line road, the LED lamp of 6 the above respective color of respectively connecting respectively on blue line road and the yellow line road, series connection the first resistance on the red circuit, series connection the second resistance on the green line road, series connection the 3rd resistance on the blue line road, series connection the 4th resistance on the green line road, the first resistance, the second resistance, the 3rd resistance and the 4th resistance are and shift to install, red circuit, the green line road, the blue line road, the yellow line road is each own positive pole respectively, whole circuit arranges a public negative pole, anodal be connected negative pole and be connected with external pad.
2. novel intensive LED-backlit source circuit structure according to claim 1, it is characterized in that: 6 red LED lamp of series connection on the described red circuit, 6 green LED lamp of series connection on the green line road, 6 blue led lamps of series connection on the blue line road, 6 yellow LED lamp of series connection on the yellow line road.
3. novel intensive LED-backlit source circuit structure according to claim 1, it is characterized in that: described the first resistance, the second resistance, the 3rd resistance and the 4th resistance resistance each other are different.
4. novel intensive LED-backlit source circuit structure according to claim 1, it is characterized in that: whole circuit supply voltage is 24V, electric current is 20mA.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220550952 CN202889732U (en) | 2012-10-25 | 2012-10-25 | Novel dense LED (Light-Emitting Diode) backlight source circuit structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220550952 CN202889732U (en) | 2012-10-25 | 2012-10-25 | Novel dense LED (Light-Emitting Diode) backlight source circuit structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202889732U true CN202889732U (en) | 2013-04-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220550952 Expired - Fee Related CN202889732U (en) | 2012-10-25 | 2012-10-25 | Novel dense LED (Light-Emitting Diode) backlight source circuit structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202889732U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107634403A (en) * | 2017-09-27 | 2018-01-26 | 安捷励电控技术南京有限公司 | Tee connector |
| CN112599511A (en) * | 2020-12-29 | 2021-04-02 | 南京工业大学 | Novel integrated semiconductor light source |
-
2012
- 2012-10-25 CN CN 201220550952 patent/CN202889732U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107634403A (en) * | 2017-09-27 | 2018-01-26 | 安捷励电控技术南京有限公司 | Tee connector |
| CN112599511A (en) * | 2020-12-29 | 2021-04-02 | 南京工业大学 | Novel integrated semiconductor light source |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130417 Termination date: 20141025 |
|
| EXPY | Termination of patent right or utility model |