CN105719602A - Display device and regulating system for regulating brightness of display device - Google Patents
Display device and regulating system for regulating brightness of display device Download PDFInfo
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/3406—Control of illumination source
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/10—Intensity circuits
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Abstract
The invention discloses a display device and a regulating system for regulating brightness of the display device. The regulating system comprises a sound recognition unit and a backlight control unit; the sound recognition unit is used for acquiring audio according to a set acquiring strategy, and sending a first control signal to the backlight control unit if the audio is acquired, and sending a second control signal to the backlight control unit if the audio is not acquired; the backlight control unit is used for controlling the unchanged brightness of the display device while receiving the first control signal sent by the sound recognition unit, and regulating the brightness of the display device while receiving the second control signal sent by the sound recognition unit. The regulating system provided by the embodiment of the invention can realize intelligent light-dimming through non-manual operation so as to automatically regulate the backlight brightness.
Description
Technical field
The present invention relates to Display Technique field, espespecially for the adjustment system of adjusting display device brightness and display device.
Background technology
At present, along with the high speed development that science and technology is shown, the transparent mosaic screen of large scale is that user brings visual experience on the spot in person, brings shocking display effect by the interactive combination of screen Yu exhibiting objects, is subject to the welcome in market.
As it is shown in figure 1, mosaic screen includes multiple display modules 03 (having illustrated 3*3 display module in Fig. 1) of casing 01, backlight module 02 and splicing mutually；Wherein, it is peripheral that casing 01 is positioned at multiple display module 03, is used for fixing multiple display module 03, and exhibiting objects is positioned over the bottom of casing 01；Backlight module 02 may be located on four sidewalls of casing 01, for providing light for all display modules 03.
The adjustment of existing transparent splicing machine system backlight illumination requires over computer software or circuit realiration, therefore light can not be utilized to have well interactive with transparent screen and displaying object according to actual application scenarios, cause display effect more single.
Summary of the invention
In view of this, the embodiment of the present invention provides the adjustment system for adjusting display device brightness and display device, it is possible to realize intelligent dimming by non-artificial operation, it is achieved be automatically adjusted backlight illumination.
Therefore, embodiments provide a kind of adjustment system for adjusting display device brightness, including: acoustic recognition unit and control back light unit；
Described acoustic recognition unit, for gathering audio frequency according to the acquisition strategies set；If collecting audio frequency, then send the first control signal to described control back light unit；If not collecting audio frequency, then send the second control signal to described control back light unit；
Described control back light unit, for when receiving the first control signal that described acoustic recognition unit sends, the brightness controlling described display device is constant；When receiving the second control signal that described acoustic recognition unit sends, the brightness of described display device is adjusted.
In a kind of possible implementation, the embodiment of the present invention provide above-mentioned in the adjustment system of adjusting display device brightness, described acquisition strategies includes being acquired according to predetermined period acquisition time or being acquired according to default unequal interval acquisition time.
In a kind of possible implementation, the embodiment of the present invention provide above-mentioned in the adjustment system of adjusting display device brightness, described control back light unit, specifically for when receiving the second control signal that described acoustic recognition unit sends, the brightness controlling described display device is incremented by successively according to order from small to large, until it reaches the threshold luminance of backlight module in described display device.
In a kind of possible implementation, the embodiment of the present invention provide above-mentioned in the adjustment system of adjusting display device brightness, described acoustic recognition unit is integrated sound transducer in a display device；
Described control back light unit be integrated in a display device and the field-programmable editing machine being connected with described sound transducer.
In a kind of possible implementation, the embodiment of the present invention provide above-mentioned in the adjustment system of adjusting display device brightness, described display device is the mosaic screen with backlight module and multiple display modules of splicing mutually.
The embodiment of the present invention additionally provides a kind of adjustment system for adjusting display device brightness, including: acoustic recognition unit, picture detection unit and control back light unit；
Described acoustic recognition unit, for gathering audio frequency according to the acquisition strategies set；If collecting audio frequency, then send the first control signal to described control back light unit；If not collecting audio frequency, then send the 3rd control signal to described picture detection unit；
Described picture detection unit, for when receiving three control signal that described acoustic recognition unit sends, whether the retention time of picture detecting described display device meets the threshold value set；If described retention time of picture is more than or equal to the threshold value set, then send the 4th control signal to described control back light unit；If it is not, then send described 5th control signal to described control back light unit；
Described control back light unit, for the first control signal sent in the described acoustic recognition unit of reception or when five control signal of reception described picture detection unit transmission, the brightness controlling described display device is constant；When receiving four control signal that described picture detection unit sends, the brightness of described display device is adjusted.
In a kind of possible implementation, the embodiment of the present invention provide above-mentioned in the adjustment system of adjusting display device brightness, described acquisition strategies includes being acquired according to predetermined period acquisition time or being acquired according to default unequal interval acquisition time.
In a kind of possible implementation, the embodiment of the present invention provide above-mentioned in the adjustment system of adjusting display device brightness, the described threshold value set was as 10 seconds.
In a kind of possible implementation, the embodiment of the present invention provide above-mentioned in the adjustment system of adjusting display device brightness, described control back light unit, specifically for when receiving four control signal that described picture detection unit sends, the brightness controlling described display device is incremented by successively according to order from small to large, until it reaches the threshold luminance of backlight module in described display device.
In a kind of possible implementation, the embodiment of the present invention provide above-mentioned in the adjustment system of adjusting display device brightness, described acoustic recognition unit is integrated sound transducer in a display device；
Described control back light unit be integrated in a display device and the field-programmable editing machine being connected with described sound transducer.
In a kind of possible implementation, the embodiment of the present invention provide above-mentioned in the adjustment system of adjusting display device brightness, described display device is the mosaic screen with backlight module and multiple display modules of splicing mutually.
The embodiment of the present invention additionally provides a kind of display device, including the above-mentioned adjustment system for adjusting display device brightness that the embodiment of the present invention provides；
Described adjustment system, for according to the acquisition strategies audio frequency set；If collecting audio frequency, the brightness controlling described display device is constant；If not collecting audio frequency, the brightness of described display device is adjusted.
The embodiment of the present invention additionally provides a kind of display device, including the above-mentioned adjustment system for adjusting display device brightness that the embodiment of the present invention provides；
Described adjustment system, for gathering audio frequency according to the acquisition strategies set, and whether the retention time of picture detecting described display device meets the threshold value set；If collect audio frequency or do not collect audio frequency but described retention time of picture less than set threshold value, the brightness controlling described display device is constant；If do not collect audio frequency but described retention time of picture more than or equal to set threshold value, the brightness of described display device is adjusted.
The beneficial effect of the embodiment of the present invention includes:
A kind of adjustment system for adjusting display device brightness of embodiment of the present invention offer and display device, this adjustment system includes: acoustic recognition unit and control back light unit；This acoustic recognition unit is for gathering audio frequency according to the acquisition strategies set, if collecting audio frequency, then sends the first control signal to control back light unit, if not collecting audio frequency, then sends the second control signal to control back light unit；This control back light unit is for when receiving the first control signal that acoustic recognition unit sends, and the brightness controlling display device is constant, when receiving the second control signal that acoustic recognition unit sends, the brightness of display device is adjusted.The above-mentioned adjustment system that the embodiment of the present invention provides can realize intelligent dimming by non-artificial operation, it is achieved is automatically adjusted backlight illumination.
Accompanying drawing explanation
Fig. 1 is the structural representation of mosaic screen in prior art；
One of schematic diagram of adjustment system for adjusting display device brightness that Fig. 2 provides for the embodiment of the present invention；
The two of the schematic diagram of the adjustment system for adjusting display device brightness that Fig. 3 provides for the embodiment of the present invention；
One of display control method flow chart of the display device that Fig. 4 provides for the embodiment of the present invention；
The two of the display control method flow chart of the display device that Fig. 5 provides for the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, what the embodiment of the present invention was provided is described in detail for the adjustment system of adjusting display device brightness and the detailed description of the invention of display device.
Embodiments provide a kind of adjustment system for adjusting display device brightness, as in figure 2 it is shown, include: acoustic recognition unit and control back light unit；
Acoustic recognition unit, for gathering audio frequency according to the acquisition strategies set；If collecting audio frequency, then send the first control signal to control back light unit；If not collecting audio frequency, then send the second control signal to control back light unit；
Controlling back light unit, for when receiving the first control signal that acoustic recognition unit sends, the brightness controlling display device is constant；When receiving the second control signal that acoustic recognition unit sends, the brightness of display device is adjusted.
In the above-mentioned adjustment system for adjusting display device brightness that the embodiment of the present invention provides, the acoustic recognition unit arranged in the adjustment system of adjusting display device brightness is for gathering audio frequency according to the acquisition strategies set, if collecting audio frequency, then send the first control signal to control back light unit, if not collecting audio frequency, then send the second control signal to control back light unit；What arrange controls back light unit for when receiving the first control signal that acoustic recognition unit sends, the brightness controlling display device is constant, when receiving the second control signal that acoustic recognition unit sends, the brightness of display device is adjusted, such adjustment system can realize intelligent dimming by non-artificial operation, it is achieved is automatically adjusted backlight illumination.
In the specific implementation, the embodiment of the present invention provide above-mentioned in the adjustment system of adjusting display device brightness, acquisition strategies includes being acquired according to predetermined period acquisition time or being acquired according to default unequal interval acquisition time；Such as according to the time every 5 seconds, audio frequency can be acquired, or according to the time every 2 seconds, 4 seconds, 6 seconds, 8 seconds, audio frequency is acquired successively, it is of course also possible to be acquired according to other acquisition strategies, as corresponding trigger condition is acquired.Implementation for acquisition strategies has multiple, it is possible to determines according to practical situation, does not limit at this.
Further, in the specific implementation, the embodiment of the present invention provide above-mentioned in the adjustment system of adjusting display device brightness, controlling back light unit can specifically for when receiving the second control signal that acoustic recognition unit sends, the brightness controlling display device is incremented by successively according to order from small to large, until it reaches the threshold luminance of backlight module in display device.It should be noted that when reaching the threshold luminance of backlight module in display device, this display device can realize Transparence Display.
In the specific implementation, the embodiment of the present invention provide above-mentioned in the adjustment system of adjusting display device brightness, display device could be arranged to the mosaic screen (as mentioned in the background) with multiple display modules of backlight module and mutual splicing, the adjustment system that the embodiment of the present invention provides can regulate the brightness of mosaic screen, realize intelligent dimming by non-artificial operation, formed well interactive with transparent video screen and display material body.Certainly, this display device can also be other device, it is possible to determines according to practical situation, does not limit at this.
In the specific implementation, the embodiment of the present invention provide above-mentioned in the adjustment system of adjusting display device brightness, acoustic recognition unit can be the sound transducer being integrated in display device；Controlling back light unit can be the field-programmable editing machine (Field-ProgrammableGateArray is called for short FPGA) being integrated in display device and being connected with sound transducer.It should be noted that sound transducer can gather audio frequency, it is due to the built-in condenser type Electret condenser microphone that audio frequency is sensitive of sound transducer.Such as when multimedia sends sound or when artificially clapping hands regularly, sound wave makes the electret film in microphone vibrate, cause the change of electric capacity, and produce the small voltage of corresponding change with it, voltage converts the first control signal to through A/D and is received by data acquisition unit, and sends the first control signal to FPGA.When FPGA receives the first control signal, it was shown that display screen is playing video, it is possible to the brightness of the backlight module in control display device is constant；When surrounding does not have sound, namely sound transducer does not collect audio frequency, then send the second control signal to control back light unit, if display device is mosaic screen, then show this display screen just article in display case, and backlight illumination should strengthen.Additionally, if display device is mosaic screen, as it is shown in figure 1, sound transducer and FPGA all can be arranged on bottom the casing 01 in mosaic screen.
The embodiment of the present invention additionally provides a kind of display device, including the above-mentioned adjustment system for adjusting display device brightness；This adjustment system may be used for according to the acquisition strategies audio frequency set；If collecting audio frequency, the brightness controlling display device is constant；If not collecting audio frequency, the brightness of display device is adjusted.
Owing to existing when display device does not send sound within the relatively short time perhaps without the situation regulating brightness, the embodiment of the present invention additionally provides a kind of adjustment system for adjusting display device brightness, as it is shown on figure 3, include: acoustic recognition unit, picture detection unit and control back light unit；
Acoustic recognition unit, for gathering audio frequency according to the acquisition strategies set；If collecting audio frequency, then send the first control signal to control back light unit；If not collecting audio frequency, then send the 3rd control signal to picture detection unit；
Picture detection unit, for when receiving three control signal that acoustic recognition unit sends, whether the retention time of picture of detection display device meets the threshold value set；If retention time of picture is more than or equal to the threshold value set, then to controlling back light unit transmission the 4th control signal；If it is not, then to controlling back light unit transmission the 5th control signal；
Controlling back light unit, for the first control signal sent in reception acoustic recognition unit or when receiving five control signal that picture detection unit sends, the brightness controlling display device is constant；When receiving four control signal that picture detection unit sends, the brightness of display device is adjusted.
In the above-mentioned adjustment system for adjusting display device brightness that the embodiment of the present invention provides, the acoustic recognition unit arranged in the adjustment system of adjusting display device brightness is for gathering audio frequency according to the acquisition strategies set；If collecting audio frequency, then send the first control signal to control back light unit；If not collecting audio frequency, then send the 3rd control signal to picture detection unit；Picture detection unit is for when receiving three control signal that acoustic recognition unit sends, and whether the retention time of picture of detection display device meets the threshold value set；If retention time of picture is more than or equal to the threshold value set, then to controlling back light unit transmission the 4th control signal；If it is not, then to controlling back light unit transmission the 5th control signal；Controlling back light unit for the first control signal sent in reception acoustic recognition unit or when receiving five control signal that picture detection unit sends, the brightness controlling display device is constant；When receiving four control signal that picture detection unit sends, the brightness of display device is adjusted.Such adjustment system can realize intelligent dimming by non-artificial operation, it is achieved is automatically adjusted backlight illumination.
In the specific implementation, the embodiment of the present invention provide above-mentioned in the adjustment system of adjusting display device brightness, acquisition strategies includes being acquired according to predetermined period acquisition time or being acquired according to default unequal interval acquisition time；Such as according to the time every 5 seconds, audio frequency can be acquired, or according to the time every 2 seconds, 4 seconds, 6 seconds, 8 seconds, audio frequency is acquired successively, it is of course also possible to be acquired according to other acquisition strategies, as corresponding trigger condition is acquired.Implementation for acquisition strategies has multiple, it is possible to determines according to practical situation, does not limit at this.
In the specific implementation, the embodiment of the present invention provide above-mentioned in the adjustment system of adjusting display device brightness, the threshold value set was as 10 seconds.Specifically, picture detection unit just starts when acoustic recognition unit does not collect audio frequency, can pass through to calculate detection retention time of picture t, if t >=10s, then show that display screen is just showing introduce picture or be in pellucidity, then the 4th control signal is transferred to control back light unit, it was shown that display screen is the article in display case just, the brightness of display device is adjusted；If retention time of picture t < 10s, then showing that display screen continues to play video, backlight illumination is constant.For the threshold value set, it is possible to determine according to practical situation, do not limit at this.
In the specific implementation, the embodiment of the present invention provide above-mentioned in the adjustment system of adjusting display device brightness, control back light unit, specifically for when receiving four control signal that picture detection unit sends, the brightness controlling display device is incremented by successively according to order from small to large, until it reaches the threshold luminance of backlight module in display device.It should be noted that when reaching the threshold luminance of backlight module in display device, this display device can realize Transparence Display.
In the specific implementation, the embodiment of the present invention provide above-mentioned in the adjustment system of adjusting display device brightness, display device could be arranged to the mosaic screen (as mentioned in the background) with multiple display modules of backlight module and mutual splicing, the adjustment system that the embodiment of the present invention provides can regulate the brightness of mosaic screen, realize intelligent dimming by non-artificial operation, formed well interactive with transparent video screen and display material body.Certainly, this display device can also be other device, it is possible to determines according to practical situation, does not limit at this.
In the specific implementation, the embodiment of the present invention provide above-mentioned in the adjustment system of adjusting display device brightness, acoustic recognition unit can be the sound transducer being integrated in display device；Controlling back light unit can be the field-programmable editing machine (Field-ProgrammableGateArray is called for short FPGA) being integrated in display device and being connected with sound transducer.It should be noted that sound transducer can gather audio frequency, it is due to the built-in condenser type Electret condenser microphone that audio frequency is sensitive of sound transducer.Such as when multimedia sends sound or when artificially clapping hands regularly, sound wave makes the electret film in microphone vibrate, cause the change of electric capacity, and produce the small voltage of corresponding change with it, voltage converts the first control signal to through A/D and is received by data acquisition unit, and sends the first control signal to FPGA.When FPGA receives the first control signal, it was shown that display screen is playing video, it is possible to the brightness of the backlight module in control display device is constant；When surrounding does not have sound, namely sound transducer does not collect audio frequency, then send the second control signal to control back light unit, if display device is mosaic screen, then show this display screen just article in display case, and backlight illumination should strengthen.Additionally, if display device is mosaic screen, as it is shown in figure 1, sound transducer and FPGA all can be arranged on bottom the casing 01 in mosaic screen.
The embodiment of the present invention additionally provides a kind of display device, including the above-mentioned adjustment system for adjusting display device brightness；This adjustment system may be used for gathering audio frequency according to the acquisition strategies set, and whether the retention time of picture of detection display device meets the threshold value set；If collect audio frequency or do not collect audio frequency but retention time of picture less than set threshold value, control display device brightness constant；If do not collect audio frequency but retention time of picture more than or equal to set threshold value, the brightness of display device is adjusted.
The display control method of the display device that the embodiment of the present invention provides is described below in detail with two concrete examples.
Example one: as shown in Figure 4, specifically comprising the following steps that of the display control method of display device
S401, acoustic recognition unit gather audio frequency；
If acoustic recognition unit collects audio frequency, then perform step S402 and step S403；If acoustic recognition unit does not collect audio frequency, then perform step S404 and step S405；
S402, acoustic recognition unit send the first control signal to controlling back light unit；
S403, control back light unit are when receiving the first control signal that acoustic recognition unit sends, and the brightness controlling display device is constant；
S404, acoustic recognition unit send the second control signal to controlling back light unit；
The brightness of display device, when receiving the second control signal that acoustic recognition unit sends, is adjusted by S405, control back light unit.
So far, the above-mentioned steps provided through example one can by non-artificial operation, it is achieved to being automatically adjusted of backlight module brightness in display device.
Example two: as it is shown in figure 5, the specifically comprising the following steps that of the display control method of display device
S501, acoustic recognition unit gather audio frequency；If acoustic recognition unit collects audio frequency, then perform step S502 and step S503；If acoustic recognition unit does not collect audio frequency, then perform step S504；
S502, acoustic recognition unit send the first control signal to controlling back light unit；
S503, control back light unit are when receiving the first control signal that acoustic recognition unit sends, and the brightness controlling display device is constant；
S504, acoustic recognition unit send the 3rd control signal to picture detection unit, and whether the retention time of picture of detection display device meets the threshold value set；If retention time of picture is more than or equal to the threshold value set, then perform step S505 and step S506；If retention time of picture is less than the threshold value set, then perform step S507 and step S508；
S505, picture detection unit, when receiving three control signal that acoustic recognition unit sends, send the 4th control signal to controlling back light unit；
The brightness of display device, when receiving four control signal that picture detection unit sends, is adjusted by S506, control back light unit；
S507, picture detection unit, when receiving three control signal that acoustic recognition unit sends, send the 5th control signal to controlling back light unit；
S508, control back light unit are when receiving five control signal that picture detection unit sends, and the brightness controlling display device is constant.
So far, the above-mentioned steps provided through example two can also by non-artificial operation, realize being automatically adjusted of backlight module brightness in display device, and relative to example one, closer to practical application scene, for instance perhaps without the situation regulating brightness when display device does not send sound within the relatively short time.
The adjustment system for adjusting display device brightness of embodiment of the present invention offer and display device, this adjustment system includes: acoustic recognition unit and control back light unit；This acoustic recognition unit is for gathering audio frequency according to the acquisition strategies set, if collecting audio frequency, then sends the first control signal to control back light unit, if not collecting audio frequency, then sends the second control signal to control back light unit；This control back light unit is for when receiving the first control signal that acoustic recognition unit sends, and the brightness controlling display device is constant, when receiving the second control signal that acoustic recognition unit sends, the brightness of display device is adjusted.The above-mentioned adjustment system that the embodiment of the present invention provides can realize intelligent dimming by non-artificial operation, it is achieved is automatically adjusted backlight illumination.
Obviously, the present invention can be carried out various change and modification without deviating from the spirit and scope of the present invention by those skilled in the art.So, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (13)
1. the adjustment system for adjusting display device brightness, it is characterised in that including: acoustic recognition unit and control back light unit；
Described acoustic recognition unit, for gathering audio frequency according to the acquisition strategies set；If collecting audio frequency, then send the first control signal to described control back light unit；If not collecting audio frequency, then send the second control signal to described control back light unit；
Described control back light unit, for when receiving the first control signal that described acoustic recognition unit sends, the brightness controlling described display device is constant；When receiving the second control signal that described acoustic recognition unit sends, the brightness of described display device is adjusted.
2. regulate system as claimed in claim 1, it is characterised in that described acquisition strategies includes being acquired according to predetermined period acquisition time or being acquired according to default unequal interval acquisition time.
3. regulate system as claimed in claim 1, it is characterized in that, described control back light unit, specifically for when receiving the second control signal that described acoustic recognition unit sends, the brightness controlling described display device is incremented by successively according to order from small to large, until it reaches the threshold luminance of backlight module in described display device.
4. regulate system as claimed in claim 1, it is characterised in that described acoustic recognition unit is integrated sound transducer in a display device；
Described control back light unit be integrated in a display device and the field-programmable editing machine being connected with described sound transducer.
5. the adjustment system as described in any one of claim 1-4, it is characterised in that described display device is the mosaic screen of multiple display modules with backlight module and mutual splicing.
6. the adjustment system for adjusting display device brightness, it is characterised in that including: acoustic recognition unit, picture detection unit and control back light unit；
Described acoustic recognition unit, for gathering audio frequency according to the acquisition strategies set；If collecting audio frequency, then send the first control signal to described control back light unit；If not collecting audio frequency, then send the 3rd control signal to described picture detection unit；
Described picture detection unit, for when receiving three control signal that described acoustic recognition unit sends, whether the retention time of picture detecting described display device meets the threshold value set；If described retention time of picture is more than or equal to the threshold value set, then send the 4th control signal to described control back light unit；If it is not, then send described 5th control signal to described control back light unit；
Described control back light unit, for the first control signal sent in the described acoustic recognition unit of reception or when five control signal of reception described picture detection unit transmission, the brightness controlling described display device is constant；When receiving four control signal that described picture detection unit sends, the brightness of described display device is adjusted.
7. regulate system as claimed in claim 6, it is characterised in that described acquisition strategies includes being acquired according to predetermined period acquisition time or being acquired according to default unequal interval acquisition time.
8. regulate system as claimed in claim 6, it is characterised in that the described threshold value set was as 10 seconds.
9. regulate system as claimed in claim 6, it is characterized in that, described control back light unit, specifically for when receiving four control signal that described picture detection unit sends, the brightness controlling described display device is incremented by successively according to order from small to large, until it reaches the threshold luminance of backlight module in described display device.
10. regulate system as claimed in claim 6, it is characterised in that described acoustic recognition unit is integrated sound transducer in a display device；
Described control back light unit be integrated in a display device and the field-programmable editing machine being connected with described sound transducer.
11. the adjustment system as described in any one of claim 6-10, it is characterised in that described display device is the mosaic screen of multiple display modules with backlight module and mutual splicing.
12. a display device, it is characterised in that include the adjustment system for adjusting display device brightness as described in claim 1-5；
Described adjustment system, for according to the acquisition strategies audio frequency set；If collecting audio frequency, the brightness controlling described display device is constant；If not collecting audio frequency, the brightness of described display device is adjusted.
13. a display device, it is characterised in that include the adjustment system for adjusting display device brightness as described in claim 6-11；
Described adjustment system, for gathering audio frequency according to the acquisition strategies set, and whether the retention time of picture detecting described display device meets the threshold value set；If collect audio frequency or do not collect audio frequency but described retention time of picture less than set threshold value, the brightness controlling described display device is constant；If do not collect audio frequency but described retention time of picture more than or equal to set threshold value, the brightness of described display device is adjusted.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109243403A (en) * | 2018-12-02 | 2019-01-18 | 徐州力奥新能源设备有限公司 | It is a kind of can sound controlled brightness industrial automation display system |
| CN109887474A (en) * | 2019-02-27 | 2019-06-14 | 百度在线网络技术（北京）有限公司 | Band screen equipment control method, device and computer-readable medium |
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| CN201562446U (en) * | 2009-04-28 | 2010-08-25 | 鸿富锦精密工业（深圳）有限公司 | Electronic photo frame with intelligent control of display brightness |
| CN202816284U (en) * | 2012-09-25 | 2013-03-20 | 曲绍麟 | Transparent display box |
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| CN104159138A (en) * | 2014-09-02 | 2014-11-19 | 上海斐讯数据通信技术有限公司 | Voice remote-control method and system |
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| CN104538005A (en) * | 2014-12-16 | 2015-04-22 | 深圳市金立通信设备有限公司 | Method for adjusting screen brightness |
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2016
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| WO2010084607A1 (en) * | 2009-01-23 | 2010-07-29 | Ｎｅｃディスプレイソリューションズ株式会社 | Device and method for controlling regulating function of display device in remote control system |
| CN201562446U (en) * | 2009-04-28 | 2010-08-25 | 鸿富锦精密工业（深圳）有限公司 | Electronic photo frame with intelligent control of display brightness |
| CN202816284U (en) * | 2012-09-25 | 2013-03-20 | 曲绍麟 | Transparent display box |
| CN103530029A (en) * | 2013-10-29 | 2014-01-22 | 国家电网公司 | EMS graphical dynamic menu display method based on human-computer interface user behavior analysis |
| CN104159138A (en) * | 2014-09-02 | 2014-11-19 | 上海斐讯数据通信技术有限公司 | Voice remote-control method and system |
| CN104244039A (en) * | 2014-09-25 | 2014-12-24 | 苏州乐聚一堂电子科技有限公司 | Voice-sensing video playing system |
| CN104538005A (en) * | 2014-12-16 | 2015-04-22 | 深圳市金立通信设备有限公司 | Method for adjusting screen brightness |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109243403A (en) * | 2018-12-02 | 2019-01-18 | 徐州力奥新能源设备有限公司 | It is a kind of can sound controlled brightness industrial automation display system |
| CN109887474A (en) * | 2019-02-27 | 2019-06-14 | 百度在线网络技术（北京）有限公司 | Band screen equipment control method, device and computer-readable medium |
| CN109887474B (en) * | 2019-02-27 | 2022-09-30 | 百度在线网络技术（北京）有限公司 | Control method and device for equipment with screen and computer readable medium |
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| CN105719602B (en) | 2019-01-22 |
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