CN106878777A - The television set and regulating system of induced environment adjusting backlight luminance - Google Patents
The television set and regulating system of induced environment adjusting backlight luminance Download PDFInfo
- Publication number
- CN106878777A CN106878777A CN201710085061.6A CN201710085061A CN106878777A CN 106878777 A CN106878777 A CN 106878777A CN 201710085061 A CN201710085061 A CN 201710085061A CN 106878777 A CN106878777 A CN 106878777A
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- China
- Prior art keywords
- backlight
- frame
- motherboard
- television set
- detection voltage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000001105 regulatory effect Effects 0.000 title claims abstract description 13
- 230000003287 optical effect Effects 0.000 claims abstract description 24
- 238000001514 detection method Methods 0.000 claims description 40
- 239000004973 liquid crystal related substance Substances 0.000 claims description 6
- 230000004308 accommodation Effects 0.000 claims description 3
- 210000002421 cell wall Anatomy 0.000 claims description 3
- 230000008054 signal transmission Effects 0.000 claims description 3
- 238000004088 simulation Methods 0.000 claims description 3
- 238000005286 illumination Methods 0.000 abstract description 11
- 230000035945 sensitivity Effects 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 208000020564 Eye injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
-
- 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
- G09G3/36—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 using liquid crystals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/485—End-user interface for client configuration
- H04N21/4854—End-user interface for client configuration for modifying image parameters, e.g. image brightness, contrast
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Human Computer Interaction (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Liquid Crystal Display Device Control (AREA)
- Liquid Crystal (AREA)
Abstract
The invention discloses a kind of television set of induced environment adjusting backlight luminance; it includes TV frame, LCD screen, the TV motherboard being arranged on inside TV frame; also include optical sensor, chip, backlight adjustment module, power supply module; TV frame is provided with ceiling; the back side of TV frame is provided with least two first mounting grooves; installing plate is provided with first mounting groove; rotating shaft is provided with installing plate; two free ends of rotating shaft are arranged in ceiling, and ceiling rotates parcel to TV frame centered on rotating shaft.The sensitivity of backlight illumination regulating system of the present invention is high, reaction is fast, can be according to the backlight illumination of the automatic brightness adjustment LCD screen of the ambient light of surrounding, and effective eyes of protection user being capable of save energy.
Description
Technical field
The present invention relates to liquid crystal display and products thereof field, and in particular to a kind of television set of induced environment adjusting backlight luminance
And regulating system.
Background technology
Liquid crystal display is used as various equipment because the good characteristic of its own is used in numerous industrial electronic fields
Screen.When especially as touch display screen, the function of various needs can be directly selected by touch-screen, not only intuitively,
And it is convenient.Wherein, LCDs apply in field of television be present most main flow application.
At present, common LCD TV has the following disadvantages:1. the screen intensity of common LCDs is typically solid
Definite value, no matter user watches under what environment, and screen intensity always maintains certain brightness, can not be according to actual ring
Border light automatically adjusts, can only be not convenient according to regulation screen intensity manually, is especially fixed when LCDs and is shown as
During high brightness, the eye injury to people is larger, and human eye is long-term to be easily caused kopiopia against high intensity display screen.2. now common
The television set for automatically adjusting backlight, generally require with combination remote controller regulation, degree of intelligence is high.3. existing frequently-used liquid crystal display
TV is for outward appearance, and the edge of screen is more and more narrow, and relative frame is also reduced to the degree of protection of display screen, can cause liquid crystal
Screen damaged phenomenon, influence is used.
The content of the invention
It is an object of the invention to the problem above for overcoming prior art to exist, there is provided one kind being capable of ring around automatic sensing
Border brightness, automatically adjusts the television set of backlight illumination, and television set periphery uses protection device, can preferably protect electricity
Edge depending on machine is without damage.
To realize above-mentioned technical purpose, above-mentioned technique effect is reached, the present invention is achieved through the following technical solutions:
A kind of television set of induced environment adjusting backlight luminance, it includes TV frame, is arranged in the TV frame
The LCD screen in portion, TV motherboard, also including optical sensor, chip, backlight adjustment module, power supply module, the TV frame
Ceiling is provided with, the back side of the TV frame is provided with least two first mounting grooves, is provided with first mounting groove
Installing plate, is provided with rotating shaft on the installing plate, two free ends of the rotating shaft are arranged in the ceiling, the guarantor
Guard strip rotates parcel to the TV frame centered on the rotating shaft.
Further include, the ceiling is provided with groove, the TV frame with the end face of the TV bezel contact
Edge be against in the groove.
Further include, the outer surface of the ceiling is rounding.
Further include, the ceiling is provided with the second mounting groove, the installing plate is arranged on first mounting groove
In the accommodation space of the second mounting groove.
Further include, the cell wall of second mounting groove is provided with the first spacing hole and the second spacing hole, the installation
Plate is provided with through hole, and first spacing hole, through hole, the second spacing hole are set on the same line, and the rotating shaft is described in
Through hole, two free ends of the rotating shaft are separately positioned in first spacing hole and the second spacing hole.
Further include, a kind of television set regulating system of induced environment adjusting backlight luminance, system includes:Liquid crystal display
Curtain, TV motherboard, optical sensor, chip, backlight adjustment module, power supply module, the LCD screen and TV motherboard electricity
Property connection, the optical sensor and backlight adjustment module be electrically connected with the chip, the backlight adjustment module with it is described
LCD screen is electrically connected with and carrys out adjusting backlight luminance, and the optical sensor is used to detect light change in environment, obtains light and becomes
Change signal, and by optical signal transmission to the chip, the chip controls the back of the body according to the optical signal of the optical sensor
Light adjustment module adjusts backlight;
The power supply module is the LCD screen, TV motherboard, optical sensor, chip, backlight adjustment module are powered, institute
Stating power supply module includes power input and constant pressure output end, and the power input connects external ac power source, the constant pressure
Output end connects the constant pressure input of the TV motherboard and the constant pressure input of the backlight adjustment module respectively.
Further include, the power supply module also includes detection voltage output end, the detection voltage output end detects institute
The voltage of power input is stated, the detection voltage output end is connected with the detection signal input of the TV motherboard, described
The detection signal input of TV motherboard receives the detection voltage of the detection voltage output end, then exports corresponding pulse letter
Number;The backlight adjustment module adjusts the dutycycle of its electric current according to the pulse signal for receiving, the backlight adjustment module
Simulation dim signal end is connected with the detection voltage output end, receives detection voltage and adjusts the backlight according to detection voltage
The peak value of adjustment module driving current.
Further include, the TV motherboard receives the detection voltage of the detection voltage output end, determines driving current
Peak value, the TV motherboard determined for adjusting driving current dutycycle according to the ratio of default electric current and peak point current
Pulse regulation control signal.
The beneficial effects of the invention are as follows:
Television set of the invention can automatically adjust backlight according to induced environment, easy to use without sub remote controller, and
And regulating system can export the detection voltage of respective change according to the change of AC power input voltage, power supply module, according to
Detection voltage is adjusted to the driving current dutycycle and peak value size of backlight adjustment module so that backlight adjustment module is exported
Driving current average value it is constant, it is constant to reach backlight illumination, therefore, LCD screen backlight illumination regulation wooden unit is bright in backlight
In the case of degree identical, power consumption is reduced, energy saving is preferable.
The sensitivity of backlight illumination regulating system of the invention is high, reaction is fast, can be according to the brightness of the ambient light of surrounding
The backlight illumination of LCD screen is automatically adjusted, effectively the eyes of protection user, being capable of save energy.
TV frame of the invention is provided with ceiling, can be good at protecting TV frame, if especially frame is received
When clashing into, protecting border prevents from damaging LCD screen.
Described above is only the general introduction of technical solution of the present invention, in order to better understand technological means of the invention,
And can be practiced according to the content of specification, below with presently preferred embodiments of the present invention and coordinate accompanying drawing describe in detail as after.
Specific embodiment of the invention is shown in detail by following examples and its accompanying drawing.
Brief description of the drawings
Technical scheme in technology in order to illustrate more clearly the embodiments of the present invention, in being described to embodiment technology below
The required accompanying drawing for using is briefly described, it should be apparent that, drawings in the following description are only some realities of the invention
Example is applied, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is external structure schematic diagram of the invention;
Fig. 2 is the sectional view of ceiling;
Fig. 3 is the structure chart of TV regulating system of the invention;
Wherein, 1- TVs frame, 2- LCD screens, 3- ceilings, the mounting grooves of 101- first, 102- limiting plates, 103- leads to
Hole, 104- rotating shafts, the mounting holes of 301- second, the spacing holes of 302- first, the spacing holes of 303- second, 304- grooves, 305- roundings.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Embodiment
A kind of television set is disclosed shown in reference picture 1-3, in this implementation, the external structure of the television set mainly includes:Electricity
Depending on frame 1, the LCD screen being arranged on inside TV frame 12, TV motherboard, optical sensor, chip, backlight adjustment module, confession
Electric module.
Wherein, LCD screen is electrically connected with TV motherboard, and optical sensor and backlight adjustment module electrically connect with chip
Connect, backlight adjustment module is electrically connected with LCD screen carrys out adjusting backlight luminance, and light becomes during optical sensor is used to detect environment
Change, obtain light variable signal, and by optical signal transmission to chip, chip controls backlight to adjust according to the optical signal of optical sensor
Section module regulation backlight.
Power supply module is LCD screen, TV motherboard, optical sensor, chip, backlight adjustment module are powered, power supply module bag
Power input and constant pressure output end are included, power input connection external ac power source, constant pressure output end connects TV master respectively
The constant pressure input of plate and the constant pressure input of backlight adjustment module.
Power supply module also includes detection voltage output end, and detection voltage output end detects the voltage of power input, detection
Voltage output end is connected with the detection signal input of TV motherboard, and the detection signal input of TV motherboard receives detection voltage
The detection voltage of output end, then exports corresponding pulse signal;Backlight adjustment module is according to the pulse signal regulation for receiving
The dutycycle of its electric current, the simulation dim signal end of backlight adjustment module is connected with detection voltage output end, receives detection voltage
And the peak value of backlight adjustment module driving current is adjusted according to detection voltage.
Specifically, TV motherboard receives the detection voltage of detection voltage output end, the peak value of driving current, TV master are determined
Plate determines the pulse regulation control signal for adjusting driving current dutycycle according to the ratio of default electric current and peak point current.
In the present embodiment, television set can automatically adjust backlight according to induced environment, without sub remote controller, user
Just, and regulating system can be according to the change of AC power input voltage, power supply module exports the detection voltage of respective change,
The driving current dutycycle and peak value size of backlight adjustment module are adjusted according to detection voltage so that backlight adjustment module
The average value of the driving current of output is constant, and it is constant to reach backlight illumination, therefore, LCD screen backlight illumination adjusts wooden unit in the back of the body
In the case of brightness identical, power consumption is reduced, energy saving is preferable.
As illustrated in fig. 1 and 2, it is provided with ceiling 3 on TV frame 1, the mounting means of ceiling 3 and TV frame 1 is such as
Under:At least two first mounting grooves 101 are provided with the back side of TV frame 1, ceiling 3 is provided with the second mounting groove 301, first
The accommodation space that 101 and second mounting groove of mounting groove 301 is formed is used to install installing plate 102.
The cell wall of the second mounting groove 301 is provided with the first spacing hole 302 and the second spacing hole 303, and installing plate 102 is provided with
Through hole 103, the first spacing hole 302, through hole 103, the second spacing hole 303 are set on the same line, and rotating shaft 104 passes through through hole
103, two free ends of rotating shaft 104 are separately positioned in the first spacing hole 302 and the second spacing hole 303.
Rotating shaft 104 is provided with installing plate 102, two free ends of rotating shaft 104 are arranged in ceiling 3, protected
Bar 3 rotates parcel to TV frame 1 centered on rotating shaft 104.
In the present embodiment, above-mentioned ceiling 3 plays a part of parcel TV frame 1, and ceiling 3 is contacted with TV frame 1
End face be provided with groove 304, the edge of TV frame 1 is against in groove 304.
Above-mentioned ceiling 3 can use elastomeric material, be rounding 305 in the outer surface of ceiling 3.
TV frame is provided with ceiling, can be good at protecting TV frame, if especially frame is clashed into,
Protecting border, prevents from damaging LCD screen.
The sensitivity of the backlight illumination regulating system of the present embodiment is high, reaction is fast, can be according to the bright of the ambient light of surrounding
Degree automatically adjusts the backlight illumination of LCD screen, effectively protects the eyes of user, being capable of save energy.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or uses the present invention.
Various modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, the present invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The scope most wide for causing.
Claims (8)
1. a kind of television set of induced environment adjusting backlight luminance, it includes TV frame, is arranged on inside the TV frame
LCD screen, TV motherboard, it is characterised in that it is described also including optical sensor, chip, backlight adjustment module, power supply module
TV frame is provided with ceiling, and the back side of the TV frame is provided with least two first mounting grooves, first mounting groove
In be provided with installing plate, rotating shaft is provided with the installing plate, two free ends of the rotating shaft are arranged at the ceiling
In, the ceiling rotates parcel to the TV frame centered on the rotating shaft.
2. a kind of television set of induced environment adjusting backlight luminance according to claim 1, it is characterised in that the protection
Bar is provided with groove with the end face of the TV bezel contact, and the edge of the TV frame is against in the groove.
3. a kind of television set of induced environment adjusting backlight luminance according to claim 2, it is characterised in that the protection
The outer surface of bar is rounding.
4. a kind of television set of induced environment adjusting backlight luminance according to claim 1, it is characterised in that the protection
Bar is provided with the second mounting groove, and the installing plate is arranged in the accommodation space of first mounting groove and the second mounting groove.
5. the television set of a kind of induced environment adjusting backlight luminance according to claim 4, it is characterised in that described second
The cell wall of mounting groove is provided with the first spacing hole and the second spacing hole, and the installing plate is provided with through hole, first spacing hole,
Through hole, the second spacing hole are set on the same line, and the rotating shaft passes through the through hole, and two free ends of the rotating shaft set respectively
Put in first spacing hole and the second spacing hole.
6. a kind of television set regulating system of induced environment adjusting backlight luminance, it is characterised in that system includes:LCD screen,
TV motherboard, optical sensor, chip, backlight adjustment module, power supply module, the LCD screen electrically connect with the TV motherboard
Connect, the optical sensor and backlight adjustment module are electrically connected with the chip, the backlight adjustment module and the liquid crystal
Screen is electrically connected with and carrys out adjusting backlight luminance, and the optical sensor is used to detect light change in environment, obtains light change letter
Number, and by optical signal transmission to the chip, the chip controls the backlight to adjust according to the optical signal of the optical sensor
Section module regulation backlight;
The power supply module is the LCD screen, TV motherboard, optical sensor, chip, backlight adjustment module are powered, the confession
Electric module includes power input and constant pressure output end, and the power input connects external ac power source, the constant pressure output
End connects the constant pressure input of the TV motherboard and the constant pressure input of the backlight adjustment module respectively.
7. the television set regulating system of induced environment adjusting backlight luminance according to claim 6, it is characterised in that described
Power supply module also includes detection voltage output end, and the detection voltage output end detects the voltage of the power input, described
Detection voltage output end is connected with the detection signal input of the TV motherboard, the detection signal input of the TV motherboard
The detection voltage of the detection voltage output end is received, corresponding pulse signal is then exported;The backlight adjustment module according to
The pulse signal for receiving adjusts the dutycycle of its electric current, simulation dim signal end and the detection of the backlight adjustment module
Voltage output end is connected, and receives detection voltage and the peak value of the backlight adjustment module driving current is adjusted according to detection voltage.
8. the television set regulating system of induced environment adjusting backlight luminance according to claim 7, it is characterised in that described
TV motherboard receives the detection voltage of the detection voltage output end, determines the peak value of driving current, the TV motherboard according to
Default electric current determines the pulse regulation control signal for adjusting driving current dutycycle with the ratio of peak point current.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710085061.6A CN106878777A (en) | 2017-02-17 | 2017-02-17 | The television set and regulating system of induced environment adjusting backlight luminance |
Applications Claiming Priority (1)
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CN201710085061.6A CN106878777A (en) | 2017-02-17 | 2017-02-17 | The television set and regulating system of induced environment adjusting backlight luminance |
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CN201710085061.6A Pending CN106878777A (en) | 2017-02-17 | 2017-02-17 | The television set and regulating system of induced environment adjusting backlight luminance |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108200369A (en) * | 2017-11-30 | 2018-06-22 | 苏州腾茂电子科技有限公司 | It is a kind of that there is the television set and its method of work of self-control brightness |
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US20060007097A1 (en) * | 2003-12-08 | 2006-01-12 | Sony Corporation | Liquid crystal display and backlight adjusting method |
CN201541312U (en) * | 2009-09-30 | 2010-08-04 | 葛锦明 | LCD television capable of automatically adjusting screen backlight brightness |
CN203134330U (en) * | 2012-12-28 | 2013-08-14 | 深圳Tcl新技术有限公司 | LED display screen backlight brightness adjusting circuit and LED television |
CN204577063U (en) * | 2015-04-17 | 2015-08-19 | 广州炫智电子科技有限公司 | Based on the all-in-one of surround lighting dynamic adjustments liquid crystal display backlight illumination |
CN205622753U (en) * | 2016-04-27 | 2016-10-05 | 广州市世博电器有限公司 | Liquid crystal video screen visor |
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2017
- 2017-02-17 CN CN201710085061.6A patent/CN106878777A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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US20060007097A1 (en) * | 2003-12-08 | 2006-01-12 | Sony Corporation | Liquid crystal display and backlight adjusting method |
CN201541312U (en) * | 2009-09-30 | 2010-08-04 | 葛锦明 | LCD television capable of automatically adjusting screen backlight brightness |
CN203134330U (en) * | 2012-12-28 | 2013-08-14 | 深圳Tcl新技术有限公司 | LED display screen backlight brightness adjusting circuit and LED television |
CN204577063U (en) * | 2015-04-17 | 2015-08-19 | 广州炫智电子科技有限公司 | Based on the all-in-one of surround lighting dynamic adjustments liquid crystal display backlight illumination |
CN205622753U (en) * | 2016-04-27 | 2016-10-05 | 广州市世博电器有限公司 | Liquid crystal video screen visor |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108200369A (en) * | 2017-11-30 | 2018-06-22 | 苏州腾茂电子科技有限公司 | It is a kind of that there is the television set and its method of work of self-control brightness |
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Application publication date: 20170620 |
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