CN206363744U - The adjustable energy-conservation display screen of brightness - Google Patents
The adjustable energy-conservation display screen of brightness Download PDFInfo
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- CN206363744U CN206363744U CN201621280896.4U CN201621280896U CN206363744U CN 206363744 U CN206363744 U CN 206363744U CN 201621280896 U CN201621280896 U CN 201621280896U CN 206363744 U CN206363744 U CN 206363744U
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Abstract
The utility model discloses a kind of adjustable energy-conservation display screen of brightness, including display module, drive circuit, luminance adjustment module, microcontroller, D/A converter module, infrared distance sensor and light sensor, light sensor gathers brightness signal and sends D/A converter module to, infrared distance sensor gathers distance signal and sends D/A converter module to, the electric signal that brightness signal and distance signal are converted into being directly proportional to light intensity and be inversely proportional with distance by D/A converter module, and it is sent to microcontroller, luminance adjustment module is accordingly controlled the electric current of drive circuit the judgement of electric signal according to microcontroller, drive circuit is connected with display module and drives display module to be shown；Drive circuit includes start-up circuit and sequential control circuit, and start-up circuit is used to receive outer computer VGA signals, and start-up circuit drives display module by sequential control circuit.The utility model can carry out brightness regulation according to actual environment situation, save electric energy.
Description
Technical field
The utility model is related to display field, more particularly to a kind of adjustable energy-conservation display screen of brightness.
Background technology
In recent years, developing rapidly along with LED technology, LED display has been applied to human lives or production
Every field, such as illumination, industrial LCD, mobile phone display screen etc..At present, traditional LED display is mostly by multiple phases
The LED display of LED composition between mutually in parallel or in series, the drive circuit that electric current is provided for LED, with
And for realizing the microprocessor being controlled to drive circuit, there is following technological deficiency for traditional LED display：By
Constant in the brightness constancy of LED display, in the brighter place of ambient light, human eye viewing LED display can feel brightness
It is too low；And in dark, LED display can think that brightness is too high to people soon.It can not be carried out according to specific ambient conditions
The regulation of different brightness, so will result in the waste of electric energy.
Utility model content
The technical problems to be solved in the utility model is that the drawbacks described above for prior art can basis there is provided one kind
Actual environment situation carries out brightness regulation, saves the adjustable energy-conservation display screen of brightness of electric energy.
The utility model solves the technical scheme that its technical problem used：Construct a kind of adjustable energy-conservation of brightness aobvious
Display screen, including display module, drive circuit, luminance adjustment module, microcontroller, D/A converter module, infrared distance sensor
And light sensor, the light sensor collection brightness signal is simultaneously transferred to the D/A converter module, described red
Outer distance measuring sensor collection distance signal is simultaneously transferred to the D/A converter module, and the D/A converter module is by the light
Luminance signal and distance signal are converted into the electric signal for being directly proportional and being inversely proportional with distance to light intensity, and the electric signal is transmitted
To the microcontroller, the luminance adjustment module is connected with the microcontroller, for according to the microcontroller to described
The judgement of electric signal is accordingly controlled the electric current of the drive circuit, and the drive circuit is connected simultaneously with the display module
The display module is driven to be shown；The drive circuit includes start-up circuit and sequential control circuit, the start-up circuit
It is connected with the microcontroller, for receiving outer computer VGA signals, the start-up circuit passes through the sequential control circuit
Drive the display module.
In the adjustable energy-conservation display screen of brightness described in the utility model, the drive circuit also includes signal and decoded
Circuit, the signal decoding circuit is connected with the microcontroller and start-up circuit, for receiving external AV vision signal respectively
Input.
In the adjustable energy-conservation display screen of brightness described in the utility model, it is single that the drive circuit also includes storage
Member, the memory cell is connected with the microcontroller, for storing the electric signal.
In the adjustable energy-conservation display screen of brightness described in the utility model, the drive circuit also includes interface electricity
Road, the interface circuit is connected with the microcontroller, the interface for providing data transfer.
In the adjustable energy-conservation display screen of brightness described in the utility model, the drive circuit also includes overcurrent protection
Circuit, the current foldback circuit is connected with the microcontroller, for carrying out overcurrent protection.
In the adjustable energy-conservation display screen of brightness described in the utility model, the drive circuit also includes overvoltage protection
Circuit, the overvoltage crowbar is connected with the microcontroller, for carrying out overvoltage protection.
In the adjustable energy-conservation display screen of brightness described in the utility model, the drive circuit is also included to be described bright
The power module that the adjustable energy-conservation display screen of degree is powered.
Implement the adjustable energy-conservation display screen of brightness of the present utility model, have the advantages that：Due to provided with display
Module, drive circuit, luminance adjustment module, microcontroller, D/A converter module, infrared distance sensor and light sensor,
Luminance adjustment module can be according to the size of brightness signal and distance signal, and then controls the size of current of drive circuit, and leads to
Overdrive circuit realizes that the driving to display module is shown, and then controls the brightness of display module, so it can be according to reality
Ambient conditions carries out brightness regulation, saves electric energy.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, before creative labor is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation in the adjustable energy-conservation display screen one embodiment of the utility model brightness.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
In the adjustable energy-conservation display screen embodiment of the utility model brightness, the adjustable energy-conservation display screen of the brightness
Structural representation is as shown in Figure 1.In Fig. 1, the adjustable energy-conservation display screen of the brightness includes display module 1, drive circuit 2, bright
Adjustment module 3, microcontroller 4, D/A converter module 5, infrared distance sensor 6 and light sensor 7 are spent, wherein, driving electricity
Road 2 is connected with microcontroller 4, and drive circuit 2 is also connected with display module 1 and drives display module 1 to be shown, brightness regulation
Module 3 is connected with drive circuit 2 and microcontroller 4 respectively, and infrared distance sensor 6 and light sensor 7 are and digital-to-analogue conversion
Module 5 is connected, and D/A converter module 5 is also connected with microcontroller 4.
In the present embodiment, the collection brightness signal of light sensor 7, and send the brightness signal of collection to digital-to-analogue turn
Block 5, the collection distance signal of infrared distance sensor 6 (i.e. the distance signal of beholder) are changed the mold, and the distance signal is sent to
D/A converter module 5, D/A converter module 5 is received after brightness signal and distance signal, by brightness signal and distance signal
The electric signal for being directly proportional and being inversely proportional with distance to light intensity is converted into, the electric signal is then sent to microcontroller 4, microcontroller
Device 4 determines to increase the electric current of drive circuit 2 according to the size of the electric signal or reduces the electric current of drive circuit 2, brightness
Adjustment module 3 is accordingly controlled the electric current of drive circuit 2, i.e. brightness according to judged result of the microcontroller 4 to electric signal
Adjustment module 3 accordingly adjusts the size of the electric current of drive circuit 2.And then the brightness of display module 1 is controlled, export optimum people
The brightness of eyes.
In the present embodiment, drive circuit 2 includes start-up circuit 21 and sequential control circuit 22, start-up circuit 21 and microcontroller
Device 4 is connected, for receiving outer computer VGA signals, and start-up circuit 21 drives display module 1 to enter by sequential control circuit 22
Row display.The utility model can carry out brightness regulation according to ambient brightness and beholder's distance are automatic, save electric energy, and can be with
Improve watch the brightness it is adjustable energy-conservation display screen when comfort level.
In the present embodiment, drive circuit 2 also include signal decoding circuit 23, the signal decoding circuit 23 respectively with microcontroller
Device 4 and start-up circuit 21 are connected, for receiving external AV vision signal input (analog video signal input), signal decoding circuit
23 are output as digital YUV signal.Signal decoding circuit 23, start-up circuit 21 and sequential control circuit 22 mainly provide input letter
Number display passage.The input of start-up circuit 21 is simulation VGA signals or digital YUV signal, is output as digital RGB signal.
The input of sequential control circuit 22 be digital RGB signal and timing control signal, output display module 1 display need it is various when
Sequential signal and digital RGB signal.
In the present embodiment, drive circuit 2 also includes memory cell 24, and memory cell 24 is connected with microcontroller 4, for depositing
Storing up electricity signal.The drive circuit 2 also includes interface circuit 25, and interface circuit 25 is connected with microcontroller 4, passed for providing data
Defeated interface.The interface circuit 25 can provide RS232 interfaces, RS485 interfaces, network interface etc..
In the present embodiment, the drive circuit 2 also includes current foldback circuit 26, current foldback circuit 26 and microcontroller 4
Connect, for carrying out overcurrent protection, improve the security performance of circuit.The drive circuit 2 also includes overvoltage crowbar 27, overvoltage
Protection circuit 27 is connected with microcontroller 4, for carrying out overvoltage protection, thus can further improve the security of circuit
Energy.
In the present embodiment, drive circuit 2 also includes power module (not shown), and the power module can be the brightness
Adjustable energy-conservation display screen is powered.The power module can provide the various voltages that driving needs for drive circuit 2, with
Ensure the adjustable energy-conservation display screen energy normal work of the brightness.The power module can select suitable switching power source chip,
To reduce power consumption.
In a word, the utility model can save electric energy according to ambient brightness and the automatic progress brightness regulation of beholder's distance, and
And can improve watch the brightness it is adjustable energy-conservation display screen when comfort level, enhance Consumer's Experience.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc. should be included in the utility model
Protection domain within.
Claims (7)
1. a kind of adjustable energy-conservation display screen of brightness, it is characterised in that including display module, drive circuit, brightness regulation mould
Block, microcontroller, D/A converter module, infrared distance sensor and light sensor, the light sensor gather brightness
Signal is simultaneously transferred to the D/A converter module, and the infrared distance sensor collection distance signal is simultaneously transferred to institute
State D/A converter module, the D/A converter module brightness signal and distance signal are converted into being directly proportional to light intensity and
The electric signal being inversely proportional with distance, and the electric signal is sent to the microcontroller, the luminance adjustment module with it is described
Microcontroller is connected, for carrying out phase to the electric current of the drive circuit to the judgement of the electric signal according to the microcontroller
It should control, the drive circuit is connected with the display module and drives the display module to be shown；The drive circuit
Including start-up circuit and sequential control circuit, the start-up circuit is connected with the microcontroller, for receiving outer computer
VGA signals, the start-up circuit drives the display module by the sequential control circuit.
2. the adjustable energy-conservation display screen of brightness according to claim 1, it is characterised in that the drive circuit also includes
Signal decoding circuit, the signal decoding circuit is connected with the microcontroller and start-up circuit, for receiving external AV respectively
Vision signal is inputted.
3. the adjustable energy-conservation display screen of brightness according to claim 2, it is characterised in that the drive circuit also includes
Memory cell, the memory cell is connected with the microcontroller, for storing the electric signal.
4. the adjustable energy-conservation display screen of brightness according to claim 3, it is characterised in that the drive circuit also includes
Interface circuit, the interface circuit is connected with the microcontroller, the interface for providing data transfer.
5. the adjustable energy-conservation display screen of brightness according to Claims 1-4 any one, it is characterised in that the drive
Dynamic circuit also includes current foldback circuit, and the current foldback circuit is connected with the microcontroller, for carrying out overcurrent protection.
6. the adjustable energy-conservation display screen of brightness according to Claims 1-4 any one, it is characterised in that the drive
Dynamic circuit also includes overvoltage crowbar, and the overvoltage crowbar is connected with the microcontroller, for carrying out overvoltage protection.
7. the adjustable energy-conservation display screen of brightness according to claim 6, it is characterised in that the drive circuit also includes
The power module powered for the adjustable energy-conservation display screen of the brightness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621280896.4U CN206363744U (en) | 2016-11-25 | 2016-11-25 | The adjustable energy-conservation display screen of brightness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621280896.4U CN206363744U (en) | 2016-11-25 | 2016-11-25 | The adjustable energy-conservation display screen of brightness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206363744U true CN206363744U (en) | 2017-07-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621280896.4U Active CN206363744U (en) | 2016-11-25 | 2016-11-25 | The adjustable energy-conservation display screen of brightness |
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| CN (1) | CN206363744U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107704139A (en) * | 2017-11-08 | 2018-02-16 | 绵阳美菱软件技术有限公司 | A kind of touch induction device and touch sensible method |
| CN108012395A (en) * | 2017-12-25 | 2018-05-08 | 苏州佳亿达电器有限公司 | The display screen regulating system of car electrics |
| CN116030743A (en) * | 2023-03-30 | 2023-04-28 | 合肥市航嘉显示科技有限公司 | LED display and brightness adjustment detection structure thereof |
-
2016
- 2016-11-25 CN CN201621280896.4U patent/CN206363744U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107704139A (en) * | 2017-11-08 | 2018-02-16 | 绵阳美菱软件技术有限公司 | A kind of touch induction device and touch sensible method |
| CN107704139B (en) * | 2017-11-08 | 2021-02-05 | 合肥美菱物联科技有限公司 | Touch sensing device and touch sensing method |
| CN108012395A (en) * | 2017-12-25 | 2018-05-08 | 苏州佳亿达电器有限公司 | The display screen regulating system of car electrics |
| CN116030743A (en) * | 2023-03-30 | 2023-04-28 | 合肥市航嘉显示科技有限公司 | LED display and brightness adjustment detection structure thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Energy -conserving display screen with adjustable luminance Effective date of registration: 20181129 Granted publication date: 20170728 Pledgee: Bank of China Limited Suzhou Branch Pledgor: Anhui Hyde Ruifeng Mdt InfoTech Ltd Registration number: 2018340000686 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20210810 Granted publication date: 20170728 Pledgee: Bank of China Limited Suzhou Branch Pledgor: ANHUI H.D.REFINE INFORMATION TECHNOLOGY Co.,Ltd. Registration number: 2018340000686 |