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 PDF

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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
Authority
CN
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.)
Pending
Application number
CN201710085061.6A
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Chinese (zh)
Inventor
邢梅兰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kunshan Konka Electronic Co Ltd
Original Assignee
Kunshan Konka Electronic Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kunshan Konka Electronic Co Ltd filed Critical Kunshan Konka Electronic Co Ltd
Priority to CN201710085061.6A priority Critical patent/CN106878777A/en
Publication of CN106878777A publication Critical patent/CN106878777A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41Structure of client; Structure of client peripherals
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control 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
    • G09G3/34Control 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
    • G09G3/36Control 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47End-user applications
    • H04N21/485End-user interface for client configuration
    • H04N21/4854End-user interface for client configuration for modifying image parameters, e.g. image brightness, contrast

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  • 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

The television set and regulating system of induced environment adjusting backlight luminance
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.
CN201710085061.6A 2017-02-17 2017-02-17 The television set and regulating system of induced environment adjusting backlight luminance Pending CN106878777A (en)

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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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Application Number Priority Date Filing Date Title
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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Cited By (1)

* Cited by examiner, † Cited by third party
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

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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)

* Cited by examiner, † Cited by third party
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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Application publication date: 20170620

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