CN106231217A - A kind of pcb board, display screen and Novel television - Google Patents
A kind of pcb board, display screen and Novel television Download PDFInfo
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- CN106231217A CN106231217A CN201610754850.XA CN201610754850A CN106231217A CN 106231217 A CN106231217 A CN 106231217A CN 201610754850 A CN201610754850 A CN 201610754850A CN 106231217 A CN106231217 A CN 106231217A
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- pcb board
- display screen
- useful person
- digital signal
- communication set
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- 238000004891 communication Methods 0.000 claims abstract description 45
- 230000005540 biological transmission Effects 0.000 claims abstract description 26
- 230000005236 sound signal Effects 0.000 claims description 19
- 230000002093 peripheral effect Effects 0.000 claims description 10
- 230000008054 signal transmission Effects 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 230000007423 decrease Effects 0.000 abstract description 6
- 230000005611 electricity Effects 0.000 description 5
- 239000004973 liquid crystal related substance Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000010409 thin film Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/64—Constructional details of receivers, e.g. cabinets or dust covers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention provides a kind of pcb board, display screen and Novel television, wherein, pcb board includes that DTV DTV circuit, Communication Set are grown up to be a useful person and drive circuit；DTV circuit is grown up to be a useful person with outside source and Communication Set respectively and is connected, and receives the TV digital signal of outside source transmission, transmits this TV digital signal and grow up to be a useful person to Communication Set；Drive circuit is grown up to be a useful person with Communication Set respectively and the display screen of TV is connected, and receives Communication Set and grows up to be a useful person the TV digital signal of transmission, and is translated into television analog signals therewith, transmits this television analog signals therewith and show to display screen.In the present invention, it is achieved be integrated on a pcb board by the functional circuit on the drive circuit of display screen and the mainboard of TV, it is only necessary to one layer of pcb board just can complete the reception of TV digital signal, demodulate and convert, decrease the thickness that television set is overall.
Description
Technical field
The present invention relates to TV technology, in particular to a kind of pcb board, display screen and Novel television.
Background technology
TV generally comprises mainboard, power panel and display screen, and mainboard receives audio-video signal, and by this signal
Reason, is then sent to display screen, and the video signal received is converted into analogue signal, then by the drive circuit in display screen
It is transferred to display screen show.
Drive circuit in current mainboard and display screen all uses PCB (Printed Circuit Board, printed circuit
Plate) plate, pcb board has certain thickness, and existing TV includes two-layer pcb board, causes television set entirety thicker, affects it beautiful
See.
Summary of the invention
In view of this, the invention provides a kind of pcb board, display screen and Novel television, be used for solving existing television set whole
The problem that body is thicker.
First aspect, embodiments provides a kind of pcb board, and described pcb board includes: DTV DTV circuit, logical
Letter integrator and drive circuit；
Described DTV circuit is grown up to be a useful person be connected with outside source and described Communication Set respectively, receives described outside source and passes
Defeated TV digital signal, transmits described TV digital signal and grows up to be a useful person to described Communication Set；Described drive circuit is respectively with described
Communication Set is grown up to be a useful person and the display screen of TV connects, and receives described Communication Set and grows up to be a useful person the described TV digital signal of transmission, and by it
It is converted into television analog signals therewith, transmits described television analog signals therewith and show to display screen.
In conjunction with first aspect, embodiments provide the first possible implementation of above-mentioned first aspect, its
Described in DTV circuit include restitution element；
Described restitution element is grown up to be a useful person be connected with described outside source and described Communication Set, receives described outside source and passes
Defeated TV digital signal, and described TV digital signal is demodulated, the TV digital signal of demodulation is transferred to described
Communication Set is grown up to be a useful person.
In conjunction with first aspect, embodiments provide the implementation that the second of above-mentioned first aspect is possible, its
In, described pcb board also includes video decoding circuit；
Described video decoding circuit is grown up to be a useful person be connected with ancillary equipment and described Communication Set respectively, receives described ancillary equipment and passes
Defeated video signal, transmits described video signal and grows up to be a useful person to described Communication Set.
In conjunction with the possible implementation of the second of first aspect, embodiments provide the 3rd of above-mentioned first aspect the
Planting possible implementation, wherein, described pcb board also includes audio decoding circuit；
Described audio decoding circuit sound equipment with described ancillary equipment and TV respectively is connected, and receives described ancillary equipment and passes
Defeated audio signal, transmits described audio signal to the sound equipment of TV.
In conjunction with the third possible implementation of first aspect, embodiments provide the 4th of above-mentioned first aspect the
Planting possible implementation, wherein, described pcb board also includes peripheral interface；
Described peripheral interface respectively with described ancillary equipment, described video decoding circuit and described audio decoding circuit
Connect, receive video signal and/or the audio signal of described ancillary equipment transmission, and give described regarding by described video signal transmission
Frequently decoder, gives described audio decoder by described audio signal transmission.
In conjunction with first aspect, embodiments provide the 5th kind of possible implementation of above-mentioned first aspect, its
In, described pcb board is strip, is installed on the either side in the upside of described display screen, downside, left side and right side.
In conjunction with first aspect, embodiments provide the 6th kind of possible implementation of above-mentioned first aspect, its
In, described pcb board is three-back-shaped, is centered around the surrounding of described display screen.
Second aspect, embodiments provides a kind of display screen, described display screen include display element, backlight and
Pcb board described in above-mentioned first aspect；
Described display element is connected with described backlight；
Described pcb board is connected with described display element and described backlight respectively.
The third aspect, embodiments provides a kind of Novel television, and described TV includes power panel, shell and above-mentioned
Display screen described in second aspect；
Described power panel is connected with described display screen；
Described power panel and described display screen are respectively mounted on the housing.
In conjunction with the third aspect, embodiments provide the first possible implementation of the third aspect, wherein, institute
State power panel to include: power supply adaptor and inverter；
Described power supply adaptor is connected with described pcb board and described display element respectively, is converted by the alternating voltage of input
For DC voltage, supply described pcb board and described display element；
Described inverter is connected with described power supply adaptor and described backlight respectively, is exported by described power supply adaptor
DC voltage is converted into alternating voltage, supplies described backlight.
In pcb board, display screen and the Novel television that the embodiment of the present invention provides, pcb board includes DTV circuit, Communication Set
Grow up to be a useful person and drive circuit, it is achieved the function on the drive circuit of display screen and the mainboard of TV is integrated on a pcb board, only
Need one layer of pcb board just can complete the reception of TV digital signal, demodulate and convert, decrease the thickness that television set is overall.
For making the above-mentioned purpose of the present invention, feature and advantage to become apparent, preferred embodiment cited below particularly, and coordinate
Appended accompanying drawing, is described in detail below.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, below by embodiment required use attached
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, and it is right to be therefore not construed as
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to according to this
A little accompanying drawings obtain other relevant accompanying drawings.
Fig. 1 shows the structural representation of a kind of pcb board that the embodiment of the present invention 1 provides；
Fig. 2 shows the graph of a relation of a kind of pcb board that the embodiment of the present invention 1 provides and television display screen；
Fig. 3 shows the structural representation of a kind of display screen that the embodiment of the present invention 2 provides；
Fig. 4 shows the structural representation of a kind of Novel television that the embodiment of the present invention 3 provides.
Detailed description of the invention
Below in conjunction with accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Ground describes, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Generally
Can with various different configurations arrange and design with the assembly of the embodiment of the present invention that illustrate described in accompanying drawing herein.Cause
This, be not intended to limit claimed invention to the detailed description of the embodiments of the invention provided in the accompanying drawings below
Scope, but it is merely representative of the selected embodiment of the present invention.Based on embodiments of the invention, those skilled in the art are not doing
The every other embodiment obtained on the premise of going out creative work, broadly falls into the scope of protection of the invention.
In view of in correlation technique, television set includes the drive circuit two-layer pcb board in mainboard and display screen, and PCB
Plate has certain thickness, and this entirety resulting in television set is thicker, affects it attractive in appearance.Based on this, the embodiment of the present invention provides
A kind of pcb board, display screen and Novel television.It is described below by embodiment.
Embodiment 1
Embodiments provide a kind of pcb board, as it is shown in figure 1, this pcb board includes: DTV (Digital
Television, DTV) circuit 110, Communication Set grow up to be a useful person 120 and drive circuit 130；
DTV circuit 110 is grown up to be a useful person with outside source and Communication Set respectively and 120 is connected, and receives the electricity of outside source transmission
Depending on digital signal, transmit this TV digital signal and grow up to be a useful person 120 to Communication Set；
Drive circuit 130 grow up to be a useful person with Communication Set respectively 120 and the display screen of TV be connected, receive Communication Set and grow up to be a useful person 120 biographies
Defeated TV digital signal, and it is translated into television analog signals therewith, transmit this television analog signals therewith and show to display screen.
Outside source can be that satellite antenna, terrestrial broadcasting, the outside that connected by wire cable or broadband network are set
Standby etc., this TV digital signal, after outside source receives TV digital signal, is transferred to Communication Set by DTV circuit 110
Growing up to be a useful person 120, Communication Set is grown up to be a useful person and 120 this TV digital signal is transferred to drive circuit 130.Owing to the display screen of TV shows
Being analogue signal, therefore, the TV digital signal received can be converted into television analog signals therewith by drive circuit 130, then will
Television analog signals therewith is transferred to display screen and shows.
Wherein, it 120 can be the components and parts being inserted on pcb board that Communication Set is grown up to be a useful person, and is mainly used in realizing DTV circuit
Signal transmission between 110 and drive circuit 130.
Drive circuit 130 includes signal conversion element, signal conversion element grow up to be a useful person with Communication Set 120 and display screen be connected,
Receive Communication Set to grow up to be a useful person the TV digital signal of 120 transmission, and this TV digital signal is converted into television analog signals therewith, transmission
This television analog signals therewith shows to display screen.In addition drive circuit 130 also includes controlling element, this control element and TV
The backlight of display screen and display element connect, control backlight and the brightness of display screen of display screen.
Wherein, the display screen of TV can be LCD (Liquid Crystal Display, liquid crystal
Display).
120 achieve DTV circuit 110 owing to the Communication Set on the pcb board that the embodiment of the present invention provides is grown up to be a useful person and drive electricity
Signal transmission between road 130, it is achieved that be integrated in the drive circuit of the function on the mainboard of television set and display screen
On one pcb board, decrease the thickness that television set is overall.
Wherein, DTV circuit 110 can include restitution element；
Described restitution element is grown up to be a useful person with outside source and Communication Set and 120 is connected, and receives the TV of outside source transmission
Digital signal, and this TV digital signal being demodulated, is transferred to the TV digital signal of demodulation Communication Set and grows up to be a useful person 120.
After television program record completes, movable scene conversion can be become corresponding TV digital signal, then will
TV digital signal sends television station's machine room to, television station's machine room process this TV digital signal, after having processed
Deliver to television transmitter, television transmitter TV digital signal process completed is modulated on hyperfrequency carrier wave, then leads to
Cross antenna and be radiated space in the form of an electromagnetic wave, or be sent to huge numbers of families by cable, receive for television set.TV
Machine can receive, by antenna or cable etc., the TV digital signal that television station launches.
The frequency range of the TV digital signal that restitution element receives from outside source is relatively big, and therefore restitution element is first
First the TV digital signal received is carried out frequency-selecting, select the channel signals of TV to be received.Wherein, frequency-selecting is main
To be switched and change VT to select TV channel signal to be received by frequency range, curb adjacent frequency channel signal and its
His various interference signals.
TV digital signal is radiate in the form of an electromagnetic wave by television station by antenna, and television set is connect by antenna again
Receive electromagnetic wave signal, or TV digital signal is sent to huge numbers of families, TV digital signal by cable by television station's machine room
After the transmission by such distance, signal can die down, and therefore restitution element is after receiving TV digital signal, also
Need this signal is amplified, so can compensate TV digital signal loss in transmitting procedure.
Afterwards, the TV digital signal after frequency-selecting, amplification is carried out frequency conversion by restitution element again.And frequency conversion, it is simply that will
The frequency of the TV digital signal received is mixed with local frequency, obtains intermediate frequency TV digital signal, and local frequency
Being vibrated generation by DTV circuit 110, it is a frequency electromagnetic waves, and it can mix with the TV digital signal frequency received
Closing and produce a difference frequency TV digital signal, this difference frequency TV digital signal is exactly intermediate frequency TV digital signal.
Finally the intermediate frequency TV digital signal obtained is demodulated, recovers former Television Digital baseband signal, TV number
Frequency spectrum occupied by word baseband signal is from zero or very from the beginning of low frequency, this Television Digital baseband signal is Television Digital
Signal.This TV digital signal is transferred to Communication Set and grows up to be a useful person 120 by restitution element, Communication Set growing up to be a useful person 120 is transferred to drive electricity
Road 130, TV digital signal is converted into television analog signals therewith by drive circuit 130, and is transferred to display screen and shows.
Above-mentioned pcb board also includes video decoding circuit, audio decoding circuit and peripheral interface；
Video decoding circuit is grown up to be a useful person with ancillary equipment and Communication Set respectively and 120 is connected, and receives the video of ancillary equipment transmission
Signal, transmits this video signal and grows up to be a useful person 120 to Communication Set.
Audio decoding circuit sound equipment with ancillary equipment and TV respectively is connected, and receives the audio frequency letter of ancillary equipment transmission
Number, transmit this audio signal to the sound equipment of TV.
Peripheral interface is connected with ancillary equipment, video decoding circuit and audio decoding circuit respectively, receives periphery and sets
The video signal of standby transmission and/or audio signal, and by video signal transmission to Video Decoder, by audio signal transmission to sound
Frequently decoder.
Wherein, peripheral interface can be VGA (Video Graphics Array, video transmission standard) interface, can
Think VGA Audio (VGA audio frequency) interface, can be USB (Universal Serial Bus, USB (universal serial bus)) interface,
It can also be HDMI (High Definition Multimedia Interface, HDMI) interface.
Above-mentioned USB interface can only transmission video signal, VGA Audio interface can only transmit audio signal, and USB interface and
HDMI can transmit video and audio signal simultaneously.
Ancillary equipment can be computer, DVD (Digital Versatile Disc, digital versatile disc), intelligence hands
Machine and PAD (portable android device, panel computer) etc..
The signal of ancillary equipment transmission can only have video signal, or can only have audio signal, or can be existing
Video signal has again audio signal, and the above-mentioned signal that peripheral interface receives is encoded, and so-called coding refers to lead to
Cross specific compress technique, the file of certain video or audio format is converted into another kind of video or audio format file
Mode.Therefore, after peripheral interface receives above-mentioned video signal, can by this video signal transmission to Video Decoder,
By Video Decoder this video signal carried out reduction decoding, and decoded video signal transmission grown up to be a useful person 120 to Communication Set,
By Communication Set grow up to be a useful person 120 by this video signal transmission to drive circuit 130, drive circuit 130 be translated into analog video
Signal, and this analog video signal is transferred to display screen shows.After peripheral interface receives above-mentioned audio signal,
By audio decoder, this audio signal can be carried out reduction decode by this audio signal transmission to audio decoder, and will decoding
After audio signal transmission play out to the sound equipment of television set.
Above-mentioned pcb board can make strip, and be installed in the upside of tv display screen, downside, left side and right side appoints
Side.
Above-mentioned pcb board can be made into three-back-shaped, as in figure 2 it is shown, be centered around the surrounding of display screen.
The pcb board that the embodiment of the present invention provides, grows up to be a useful person and drive circuit including DTV circuit, Communication Set, it is achieved by display screen
Drive circuit and TV mainboard on function be integrated on a pcb board, it is only necessary to one layer of pcb board just can complete TV
The reception of signal, demodulate and convert, decrease the thickness that television set is overall.
Embodiment 2
Embodiments provide a kind of display screen, as it is shown on figure 3, this display screen includes display element 310, backlight
320 and above-described embodiment 1 provide pcb board 330；
Display element 310 is connected with backlight 320；
Pcb board 330 is connected with display element 310 and backlight 320 respectively.
Above-mentioned display element 310 can be liquid crystal panel module, can include upper strata polaroid, colored filter, thin film
Transistor and lower floor's polaroid, and between colored filter and thin film transistor (TFT), inject layer of liquid crystal molecule, form display screen
Display element 310.Wherein, this display element 310 is followed successively by upper strata polaroid, colored filter, liquid crystal molecule from top to bottom
Layer, thin film transistor (TFT) and lower floor's polaroid.Below lower floor's polaroid of above-mentioned display element 310, one layer is backlight 320.
Pcb board 330 is connected with above-mentioned display element 310 and backlight 320, concrete, the drive circuit on pcb board 330
130 are connected with above-mentioned display element 310 and backlight 320, and this pcb board 330 can be placed on display element 310 and backlight
In the middle of 320, or can also be placed on below backlight 320, it is also possible to be placed on display element 310 and backlight 320
Any one side of upside, downside, left side or right side, or pcb board 330 is made three-back-shaped, it is centered around display element 310
And backlight 320 is around.
The display screen that the embodiment of the present invention provides, the pcb board used includes that DTV circuit, Communication Set are grown up to be a useful person and drive electricity
Road, it is achieved the function on the drive circuit of display screen and the mainboard of TV is integrated on a pcb board, it is only necessary to one layer of PCB
Plate just can complete the reception of TV signal, demodulate and convert, and decreases the thickness that television set is overall.
Embodiment 3
Embodiments providing a kind of Novel television, as shown in Figure 4, this TV includes power panel 410, shell 420
And the display screen 430 that above-described embodiment 2 provides；
Power panel 410 is connected with display screen 430；
Power panel 410 and display screen 430 are installed on shell 420.
Wherein, above-mentioned power panel 410 includes: power supply adaptor and inverter.
Power supply adaptor is connected with pcb board 330 and display element 310 respectively, and the alternating voltage of input is converted into direct current
Voltage, supply pcb board 330 and display element 310.
Power supply adaptor is connected with power supply, and the voltage obtained at power supply is alternating voltage, due to pcb board 330 and display
It is desirable that DC voltage when element 310 works, therefore power supply adaptor needs to convert the alternating voltage obtained at power supply
For DC voltage, then supply pcb board 330 and display element 310 work.
Inverter is connected with power supply adaptor and backlight 320 respectively, and the DC voltage exported by power supply adaptor converts
For alternating voltage, supply backlight 320.
Inverter is connected with power supply adaptor, and obtain at power supply adaptor is DC voltage, but DC voltage is also
Not being backlight 320 required voltage when working, therefore, inverter needs to turn the DC voltage obtained at power supply adaptor
Turning to AC high-voltage potential, supply backlight 320 works.
The alternating voltage obtained at power supply is changed into DC voltage by above-mentioned power supply adaptor, and going back DC voltage can be
12V, and the DC voltage obtained at power supply adaptor is converted into AC high-voltage potential by inverter, this voltage can be
1500V～1800V, certainly, above-mentioned DC voltage and AC high-voltage potential can also be other numerical value, and the embodiment of the present invention is not
Limit the concrete numerical value of above-mentioned DC voltage and alternating voltage.
A kind of Novel television that the embodiment of the present invention provides, the pcb board of employing includes that DTV circuit, Communication Set are grown up to be a useful person and drive
Galvanic electricity road, it is achieved the function on the drive circuit of display screen and the mainboard of TV is integrated on a pcb board, it is only necessary to one layer
Pcb board just can complete the reception of TV signal, demodulate and convert, and decreases the thickness that television set is overall.
The above, the only detailed description of the invention of the present invention, but protection scope of the present invention is not limited thereto, and any
Those familiar with the art, in the technical scope that the invention discloses, can readily occur in change or replace, should contain
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with described scope of the claims.
Claims (10)
1. a pcb board, it is characterised in that including: DTV DTV circuit, Communication Set are grown up to be a useful person and drive circuit；
Described DTV circuit is grown up to be a useful person be connected with outside source and described Communication Set respectively, receives the transmission of described outside source
TV digital signal, transmits described TV digital signal and grows up to be a useful person to described Communication Set；
Described drive circuit is grown up to be a useful person with described Communication Set respectively and the display screen of TV is connected, and receives described Communication Set and grows up to be a useful person transmission
Described TV digital signal, and be translated into television analog signals therewith, transmit described television analog signals therewith and carry out to display screen
Display.
Pcb board the most according to claim 1, it is characterised in that described DTV circuit includes restitution element；
Described restitution element is grown up to be a useful person be connected with described outside source and described Communication Set, receives the transmission of described outside source
TV digital signal, and described TV digital signal is demodulated, the TV digital signal of demodulation is transferred to described communication
Integrator.
Pcb board the most according to claim 1, it is characterised in that also include video decoding circuit；
Described video decoding circuit is grown up to be a useful person be connected with ancillary equipment and described Communication Set respectively, receives the transmission of described ancillary equipment
Video signal, transmits described video signal and grows up to be a useful person to described Communication Set.
Pcb board the most according to claim 3, it is characterised in that also include audio decoding circuit；
Described audio decoding circuit sound equipment with described ancillary equipment and TV respectively is connected, and receives the transmission of described ancillary equipment
Audio signal, transmits described audio signal to the sound equipment of TV.
Pcb board the most according to claim 4, it is characterised in that also include peripheral interface；
Described peripheral interface is respectively with described ancillary equipment, described video decoding circuit and described audio decoding circuit even
Connect, receive video signal and/or the audio signal of described ancillary equipment transmission, and give described video by described video signal transmission
Decoder, gives described audio decoder by described audio signal transmission.
Pcb board the most according to claim 1, it is characterised in that described pcb board is strip, is installed on described display screen
Upside, downside, left side and right side in either side.
Pcb board the most according to claim 1, it is characterised in that described pcb board is three-back-shaped, is centered around described display screen
Surrounding.
8. a display screen, it is characterised in that include display element, backlight and the PCB described in any one of claim 1～7
Plate；
Described display element is connected with described backlight；
Described pcb board is connected with described display element and described backlight respectively.
9. a Novel television, it is characterised in that include power panel, shell and the display screen described in claim 8；
Described power panel is connected with described display screen；
Described power panel and described display screen are respectively mounted on the housing.
Novel television the most according to claim 9, it is characterised in that described power panel includes: power supply adaptor and inversion
Device；
Described power supply adaptor is connected with described pcb board and described display element respectively, is converted into directly by the alternating voltage of input
Stream voltage, supplies described pcb board and described display element；
Described inverter is connected with described power supply adaptor and described backlight respectively, the direct current exported by described power supply adaptor
Photovoltaic conversion is alternating voltage, supplies described backlight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610754850.XA CN106231217B (en) | 2016-08-29 | 2016-08-29 | PCB, display screen and television |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610754850.XA CN106231217B (en) | 2016-08-29 | 2016-08-29 | PCB, display screen and television |
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| CN106231217B CN106231217B (en) | 2023-06-16 |
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| CN106231217B (en) | 2023-06-16 |
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