CN207781169U - Circuit for LED television display screen automatic regulating lightness - Google Patents
Circuit for LED television display screen automatic regulating lightness Download PDFInfo
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- CN207781169U CN207781169U CN201820252746.5U CN201820252746U CN207781169U CN 207781169 U CN207781169 U CN 207781169U CN 201820252746 U CN201820252746 U CN 201820252746U CN 207781169 U CN207781169 U CN 207781169U
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Abstract
The utility model is related to display screen eyeshield technology, solve the problems, such as that current user's self-control tv display screen brightness cannot reach eyeshield purpose.Technical solution is：Circuit for LED television display screen automatic regulating lightness, including LED television display panel module, micro controller module, environmental light intensity detection module, zener diode, resistance one, resistance two, power supply and ground wire, wherein power supply is connect with the cathode of environmental light intensity detection module and zener diode, one end of the output end of environmental light intensity detection module and the anode of zener diode, one end of resistance one and resistance two connects, the other end of resistance one is connect with ground wire, and micro controller module is connect with the other end of resistance two and LED television display panel module respectively.Advantageous effect is：The utility model makes brightness always in the range of being conducive to human eye health, eyeshield effect is more preferable by detecting ambient enviroment light intensity adjustment brightness of display screen.Especially suitable for LED display television set.
Description
Technical field
The utility model is related to display screen eyeshield technology, more particularly to a kind of LED television display screen automatic regulating lightness
Technology.
Background technology
Television set on the market nearly all uses LED liquid crystal displays at present, it is known that LED liquid crystal displays are to people
Eye has certain injury, and to improve this defect, the TV LED liquid crystal displays of the prior art are using user's self-control
Mode adjusts television display screen brightness, although adapting to all groups, most crowds are for the bright requirement of television screen
Only sensorial hobby understanding does not have the eyeshield consciousness of profession.
Utility model content
The utility model provides a kind of circuit of automatic adjustment LED television brightness of display screen, after corresponding program is added, energy gram
The defect of eyeshield purpose cannot be reached by taking current user's self-control tv display screen brightness.
To solve the above problems, the technical solution adopted in the utility model is：It is automatically adjusted for LED television display screen bright
The circuit of degree, including LED television display panel module, micro controller module, environmental light intensity detection module, zener diode, resistance
One, resistance two, power supply and ground wire, wherein power supply are connect with the cathode of environmental light intensity detection module and zener diode, ambient light
One end of the output end of strong detection module and the anode of zener diode, one end of resistance one and resistance two connects, resistance one
The other end is connect with ground wire, and micro controller module is connect with the other end of resistance two and LED television display panel module respectively.
Further, environmental light intensity detection module uses light-sensitive element or photosensitive device.
Further, environmental light intensity detection module uses photodiode.
Advantageous effect is：After corresponding program is added in the utility model, by detecting ambient enviroment light intensity, rationally adjust
LED television brightness of display screen makes brightness always in the range of being conducive to human eye health, and eyeshield effect is more preferable.It is particularly suitable
In LED display television set.
Description of the drawings
Fig. 1 is the circuit diagram of the utility model.
Fig. 2 is the circuit diagram of the utility model embodiment.
Wherein, VCC is power supply, and D1 is zener diode, and D2 is photodiode, and R1 is resistance one, and R2 is resistance two.
Specific implementation mode
With reference to the accompanying drawings and examples, the technical solution of the utility model is further illustrated.
As shown in Figure 1, the technical solution of the utility model is：For the circuit of LED television display screen automatic regulating lightness,
Including LED television display panel module, micro controller module, environmental light intensity detection module, zener diode, resistance one, resistance two,
Power supply and ground wire, wherein power supply are connect with the cathode of environmental light intensity detection module and zener diode, environmental light intensity detection module
Output end and one end of the anode of zener diode, one end of resistance one and resistance two connect, the other end and the ground of resistance one
Line connects, and micro controller module is connect with the other end of resistance two and LED television display panel module respectively.
Embodiment
The circuit for LED television display screen automatic regulating lightness of this example, referring to Fig. 2, including LED television display screen mould
Block, micro controller module, environmental light intensity detection module, zener diode, resistance one, resistance two, power supply and ground wire, wherein power supply
It is connect with the cathode of environmental light intensity detection module and zener diode, the output end and zener diode of environmental light intensity detection module
Anode, resistance one one end connected with one end of resistance two, the other end of resistance one is connect with ground wire, micro controller module point
It is not connect with the other end of resistance two and LED television display panel module.
After corresponding program is added, micro controller module adjusts brightness of display screen according to environmental light intensity information；Zener diode
For providing burning voltage for environmental light intensity detection module；Environmental light intensity detection module is for detecting ambient light intensity.
Wherein, environmental light intensity detection module uses light-sensitive element or photosensitive device.Specifically, environmental light intensity detection module is adopted
Use photodiode.
It is described in detail so that environmental light intensity detection module uses photodiode as an example below.
As shown in Fig. 2, this example includes LED television display panel module, micro controller module, photodiode D2, voltage stabilizing two
Pole pipe D1, one R1 of resistance, two R2 of resistance, power supply VCC and ground wire, the anode of wherein power supply VCC and photodiode D2 and voltage stabilizing
The cathode of diode D1 connects, the cathode of photodiode D2 and the anode of zener diode D1, one end of one R1 of resistance and electricity
One end connection of two R2 is hindered, the other end of one R1 of resistance is connect with ground wire, and micro controller module is another with two R2 of resistance respectively
End is connected with LED television display panel module.
In use, zener diode D1 provides stable voltage, the light intensity shadow of ambient enviroment for photodiode D2
The resistance value for ringing photodiode D2, causes the cathode potential of photodiode D2 to change with the variation of light intensity, microcontroller
Device module rationally adjusts LED television brightness of display screen, so that brightness is in always and be conducive to human eye health by detecting voltage change
In the range of.
The emphasis of the utility model is to provide a kind of circuit for LED television display screen automatic regulating lightness, this field
Technical staff can be easily carried out corresponding program according to this circuit.
Claims (3)
1. for LED television display screen automatic regulating lightness circuit, including LED television display panel module, micro controller module,
Environmental light intensity detection module, zener diode, resistance one, resistance two, power supply and ground wire, it is characterised in that：The power supply and ring
Border light-intensity test module is connected with the cathode of zener diode, the output end of environmental light intensity detection module and the sun of zener diode
Pole, resistance one one end connected with one end of resistance two, the other end of resistance one is connect with ground wire, micro controller module respectively with
The other end of resistance two is connected with LED television display panel module.
2. being used for the circuit of LED television display screen automatic regulating lightness as described in claim 1, it is characterised in that：The ring
Border light-intensity test module uses light-sensitive element or photosensitive device.
3. being used for the circuit of LED television display screen automatic regulating lightness as claimed in claim 2, it is characterised in that：The ring
Border light-intensity test module uses photodiode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820252746.5U CN207781169U (en) | 2018-02-12 | 2018-02-12 | Circuit for LED television display screen automatic regulating lightness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820252746.5U CN207781169U (en) | 2018-02-12 | 2018-02-12 | Circuit for LED television display screen automatic regulating lightness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207781169U true CN207781169U (en) | 2018-08-28 |
Family
ID=63210198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820252746.5U Active CN207781169U (en) | 2018-02-12 | 2018-02-12 | Circuit for LED television display screen automatic regulating lightness |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207781169U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109584823A (en) * | 2018-12-20 | 2019-04-05 | 深圳市视安通电子有限公司 | A kind of liquid crystal display colour cast supplement alignment technique |
-
2018
- 2018-02-12 CN CN201820252746.5U patent/CN207781169U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109584823A (en) * | 2018-12-20 | 2019-04-05 | 深圳市视安通电子有限公司 | A kind of liquid crystal display colour cast supplement alignment technique |
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