CN205430672U - Display backlight device of adjustable luminance - Google Patents
Display backlight device of adjustable luminance Download PDFInfo
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- CN205430672U CN205430672U CN201620054703.7U CN201620054703U CN205430672U CN 205430672 U CN205430672 U CN 205430672U CN 201620054703 U CN201620054703 U CN 201620054703U CN 205430672 U CN205430672 U CN 205430672U
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- illumination
- backlight
- power supply
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Abstract
The utility model provides a display backlight device of adjustable luminance, wherein light intensity sensor, manual illumination regulator respectively with MCU connects, manual illumination regulator be used for to MCU sends the illumination regulating command, light intensity sensor with the illumination intensity of sensing send to MCU, the MCU basis the illumination regulating command is sent and is shaded control command extremely the power supply regulating circuit is shaded, MCU sends according to illumination intensity and is shaded control command extremely the power supply regulating circuit is shaded, the voltage swing of supplying with the LED fluorescent tube that is shaded is adjusted to the power supply regulating circuit that is shaded according to the instruction. The utility model provides a display backlight device of adjustable luminance can reach the adjustting of the lighteness to the LED fluorescent tube that is shaded through the illumination intensity who detects the external environment condition, the luminance of the LED fluorescent tube that simultaneously also can the manual regulation be shaded.
Description
Technical field
The present invention relates to display technology field, the display backlight device of a kind of brightness-adjustable.
Background technology
The display that prior art provides can only mode manually be adjusted, the brightness of display can not be automatically adjusted according to the illumination variation of environment, due to weather and the reason of time, the brightness of external environment condition is the most unstable, and a kind of new display according to external environment condition brightness regulation display brightness is badly in need of in this area.
Utility model content
For solving above-mentioned technical problem, this utility model provides the display backlight device of a kind of brightness-adjustable, comprising:
Optical sensor, backlight LED light pipe, backlight power supply regulation circuit, MCU and manual illumination regulator, described optical sensor, manual illumination regulator are connected with described MCU, described MCU is connected with described backlight power supply regulation circuit, and described backlight power supply regulation circuit is connected with described backlight LED light pipe；
Described optical sensor, manual illumination regulator are connected with described MCU respectively, described manual illumination regulator is for sending Illumination adjusting instruction to described MCU, the intensity of illumination of sensing is sent to described MCU by described optical sensor, described MCU sends backlight control instruction according to the instruction of described Illumination adjusting and regulates circuit to described backlight power supply, described MCU sends backlight control instruction to described backlight power supply according to intensity of illumination and regulates circuit, and described backlight power supply regulation circuit is according to the voltage swing of instruction regulation supply backlight LED light pipe.
It is preferred that described backlight power supply regulation circuit includes that some transformators, described each transformator pass through relay control switch respectively.
It is preferred that described optical sensor includes phototriode.
It is preferred that described manual illumination regulator includes key circuit, output varying voltage signal to described MCU.
This utility model has the advantages that
The display backlight device of the brightness-adjustable that this utility model provides can reach the brightness regulation to backlight LED light pipe by the intensity of illumination of detection external environment condition, can also manually regulate the brightness of backlight LED light pipe simultaneously.
Certainly, implement arbitrary product of the present utility model to it is not absolutely required to reach all the above advantage simultaneously.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of this utility model embodiment, below the accompanying drawing that embodiment describes required use is briefly described, apparently, accompanying drawing in describing below is only embodiments more of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The display backlight device composition schematic diagram of the brightness-adjustable that Fig. 1 provides for this utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, all other embodiments that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of this utility model protection.
For solving above-mentioned technical problem, this utility model provides the display of a kind of brightness-adjustable, as it is shown in figure 1, comprising:
Optical sensor 1, backlight LED light pipe 5, backlight power supply regulation circuit 4, MCU2 and manual illumination regulator 3, optical sensor 1, manual illumination regulator 3 are connected with MCU2, MCU2 is connected with backlight power supply regulation circuit 4, and backlight power supply regulation circuit 4 is connected with backlight LED light pipe 5；
Optical sensor 1, manual illumination regulator 3 are connected with MCU2 respectively, manual illumination regulator 3 is for sending Illumination adjusting instruction to MCU2, the intensity of illumination of sensing is sent to MCU2 by optical sensor 1, MCU2 sends backlight control instruction according to the instruction of described Illumination adjusting and regulates circuit 4 to backlight power supply, MCU2 sends backlight control instruction to backlight power supply according to intensity of illumination and regulates circuit 4, and backlight power supply regulation circuit 4 is according to the voltage swing of instruction regulation supply backlight LED light pipe 5.
In the present embodiment, backlight power supply regulation circuit 4 includes that some transformators, described each transformator pass through relay control switch respectively.
Optical sensor 1 includes phototriode；Manual illumination regulator 3 includes key circuit, output varying voltage signal to MCU2.
The display backlight device of the brightness-adjustable that this utility model provides can reach the brightness regulation to backlight LED light pipe by the intensity of illumination of detection external environment condition, can also manually regulate the brightness of backlight LED light pipe simultaneously.
This utility model preferred embodiment disclosed above is only intended to help to illustrate this utility model.Preferred embodiment does not has all of details of detailed descriptionthe, is not intended to the detailed description of the invention that this utility model is only described yet.Obviously, according to the content of this specification, can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is to preferably explain principle of the present utility model and actual application, so that skilled artisan can be best understood by and utilize this utility model.This utility model is only limited by claims and four corner thereof and equivalent.
Claims (4)
1. the display backlight device of a brightness-adjustable, it is characterised in that including:
Optical sensor, backlight LED light pipe, backlight power supply regulation circuit, MCU and manual illumination regulator, described optical sensor, manual illumination regulator are connected with described MCU, described MCU is connected with described backlight power supply regulation circuit, and described backlight power supply regulation circuit is connected with described backlight LED light pipe；
Described optical sensor, manual illumination regulator are connected with described MCU respectively, described manual illumination regulator is for sending Illumination adjusting instruction to described MCU, the intensity of illumination of sensing is sent to described MCU by described optical sensor, described MCU sends backlight control instruction according to the instruction of described Illumination adjusting and regulates circuit to described backlight power supply, described MCU sends backlight control instruction to described backlight power supply according to intensity of illumination and regulates circuit, and described backlight power supply regulation circuit is according to the voltage swing of instruction regulation supply backlight LED light pipe.
2. the display backlight device of brightness-adjustable as claimed in claim 1, it is characterised in that described backlight power supply regulation circuit includes that some transformators, described each transformator pass through relay control switch respectively.
3. the display backlight device of brightness-adjustable as claimed in claim 1, it is characterised in that described optical sensor includes phototriode.
4. the display backlight device of brightness-adjustable as claimed in claim 1, it is characterised in that described manual illumination regulator includes key circuit, output varying voltage signal to described MCU.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620054703.7U CN205430672U (en) | 2016-01-20 | 2016-01-20 | Display backlight device of adjustable luminance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620054703.7U CN205430672U (en) | 2016-01-20 | 2016-01-20 | Display backlight device of adjustable luminance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205430672U true CN205430672U (en) | 2016-08-03 |
Family
ID=56539874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620054703.7U Expired - Fee Related CN205430672U (en) | 2016-01-20 | 2016-01-20 | Display backlight device of adjustable luminance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205430672U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106249502A (en) * | 2016-08-31 | 2016-12-21 | 北海华源电子有限公司 | Display device |
| CN106339197A (en) * | 2016-08-31 | 2017-01-18 | 北海华源电子有限公司 | Display device |
| CN106683611A (en) * | 2016-12-30 | 2017-05-17 | 马鞍山佳鼎通信科技有限公司 | LED screen brightness regulation system |
-
2016
- 2016-01-20 CN CN201620054703.7U patent/CN205430672U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106249502A (en) * | 2016-08-31 | 2016-12-21 | 北海华源电子有限公司 | Display device |
| CN106339197A (en) * | 2016-08-31 | 2017-01-18 | 北海华源电子有限公司 | Display device |
| CN106683611A (en) * | 2016-12-30 | 2017-05-17 | 马鞍山佳鼎通信科技有限公司 | LED screen brightness regulation system |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160803 Termination date: 20180120 |