CN102685422A - Television terminal with improved power supply and signal connection structure - Google Patents
Television terminal with improved power supply and signal connection structure Download PDFInfo
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- CN102685422A CN102685422A CN2012101350554A CN201210135055A CN102685422A CN 102685422 A CN102685422 A CN 102685422A CN 2012101350554 A CN2012101350554 A CN 2012101350554A CN 201210135055 A CN201210135055 A CN 201210135055A CN 102685422 A CN102685422 A CN 102685422A
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- 238000004364 calculation method Methods 0.000 claims description 4
- 230000003111 delayed effect Effects 0.000 claims description 2
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 239000004973 liquid crystal related substance Substances 0.000 description 10
- 230000006872 improvement Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000008719 thickening Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
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- 230000000007 visual effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The invention relates to a television terminal with an improved power supply and a signal connection structure. The television terminal comprises a power board, an auxiliary control circuit board, a main control circuit board, a driving circuit board and a sequential control circuit board, wherein the auxiliary control circuit board is electrically connected with the power board, the main control circuit board, the driving circuit board and the sequential control circuit board, the power board provides a power signal to the driving circuit board through the auxiliary control circuit board, the main control circuit board provides an image signal to the sequential control circuit board through the auxiliary control circuit board, and the auxiliary control circuit board is used for providing a backlight control signal to the driving circuit board. The television terminal is simpler and more reasonable in internal wiring, and the thickness of the television terminal can be further decreased.
Description
Technical field
The present invention relates to television terminal, relate in particular to a kind of television terminal with improved power supply and signal connection structure.
Background technology
In current daily life, TV has become indispensable product.Along with people's is the improve of audio visual effect and outward appearance esthetic requirement all, just requires TV can have characteristics such as large scale, frivolous, high image quality.
The integral thickness of LCD TV depends primarily on liquid crystal module, so the thickness of attenuate TV mainly sets about from the thickness of attenuate liquid crystal module, comprises backlight, liquid crystal layer, blooming piece and circuit board etc.And for the lifting of image quality, at present mainly from image and two aspect optimizations backlight.The image aspect increases the image level sense mainly through various algorithm optimization picture effects as improving picture contrast, the fine and smooth degree of adjustment image etc.Aspect backlight mainly realizes the local dimming of image is optimized effect through the direct-type backlight multi partition, and side-light type is backlight also to have a lot of producers in a disguised form to improve the contrast of picture through the side-light type dynamic light adjustment at present.
For this part image and compensation deals backlight mainly is on the basis of traditional tv, to increase the auxiliary control circuit plate at present; The core of this circuit board is a field programmable gate array (Field-Programmable Gate Array; FPGA), realize analysis, processing and control backlight through FPGA to image.
In traditional television terminal, power panel, master control circuit board, drive circuit board and sequential control circuit plate have generally been comprised.Wherein drive circuit board and sequential control circuit plate are to be positioned at liquid crystal module.Therefore need link to each other by connecting line between each circuit board, and ought introduce assist control electricity circuit board on this basis again, will make that the textural anomaly complicacy of connecting line is in disorder, and can occupy more space, be unfavorable for reducing the thickness of television terminal.
Summary of the invention
In view of this, be necessary to provide a kind of television terminal, the thickness that it has succinct wire structures and can reduce television terminal with improved power supply and signal connection structure.
Above-mentioned television terminal is realized through following technical scheme:
A kind of television terminal with improved power supply and signal connection structure, it comprises power panel, auxiliary control circuit plate, master control circuit board, drive circuit board and sequential control circuit plate.Auxiliary control circuit plate and power panel, master control circuit board, drive circuit board and sequential control circuit plate are electrical connected.Power panel provides power supply signal via the auxiliary control circuit plate to drive circuit board, and master control circuit board provides picture signal via the auxiliary control circuit plate to this sequential control circuit plate.The auxiliary control circuit plate is used for to this drive circuit board backlight control signal being provided.
As the further improvement of technique scheme, power panel and auxiliary control circuit plate are electrical connected, and being used for provides first power supply signal, second source signal, reaches the 3rd power supply signal to the auxiliary control circuit plate.The auxiliary control circuit plate is used for first power supply signal is offered drive circuit board after time-delay control; Be used for this second source signal and the 3rd power supply signal are forwarded to master control circuit board, and be used for the 3rd power supply signal is offered the sequential control circuit plate after time-delay control.Master control circuit board is used to provide picture signal and control signal to the auxiliary control circuit plate; Control signal is used to control a main control unit of auxiliary control circuit plate; Main control unit is used for according to picture signal calculation control signal; And then output image information to sequential control circuit plate, and the output backlight control signal is to drive circuit board.
As the further improvement of technique scheme, be electrical connected through connector between power panel, auxiliary control circuit plate, master control circuit board, drive circuit board and the sequential control circuit plate.
As the further improvement of technique scheme, the connector two ends are formed with slot, and the end of power panel, auxiliary control circuit plate, master control circuit board, drive circuit board and sequential control circuit plate is formed with splicing ear, and splicing ear inserts in the slot.
As the further improvement of technique scheme, the end of power panel, auxiliary control circuit plate, master control circuit board, drive circuit board and sequential control circuit plate is formed with slot, and insert in the slot respectively at the connector two ends.
Further improvement as technique scheme; Between power panel and the auxiliary control circuit plate; And be electrical connected through connector between auxiliary control circuit plate and the master control circuit board, and be electrical connected through connecting line between auxiliary control circuit plate and drive circuit board and the sequential control circuit plate.
As the further improvement of technique scheme, be electrical connected through connecting line between power panel, auxiliary control circuit plate, master control circuit board, drive circuit board and the sequential control circuit plate.
As the further improvement of technique scheme, main control unit is a field programmable gate array, and backlight control signal is used to carry out BLC or backlight subarea control.
As the further improvement of technique scheme, main control unit was started working when control signal was low level.
As the further improvement of technique scheme, main control unit also is used for the output timing control signal, and timing control signal is used for the 3rd power supply signal is delayed time control to export the sequential control circuit plate to.
In the above-mentioned television terminal; Being connected than prior art between power panel and the master control circuit board reduced a lot; Reduced the burden of master control circuit board; And no longer needing connecting line between power panel and the drive circuit board, this connected mode makes the internal wiring of television terminal more succinct, has avoided the rambling phenomenon of connecting line.In addition, the connection between each circuit board is tightr, and the backboard that makes television terminal makes the outward appearance thin typeization more of television terminal because the part of the existence of circuit board and thickening is reduced to approximately 1/4 by 1/2 of original whole liquid crystal module.Further, power panel, auxiliary control circuit plate and master control circuit board can connect together through plate-connector for substrate, and than the connecting line connected mode, layout is more succinct, can further reduce the shared area of each circuit board.
For let above-mentioned and other purposes of the present invention, feature and advantage can be more obviously understandable, hereinafter is special lifts preferred embodiment, and cooperates appended graphicly, elaborates as follows.
Description of drawings
Fig. 1 is a kind of sketch map with television terminal of improved power supply and signal connection structure that first embodiment of the invention disclosed.
Fig. 2 is the power supply delay control circuit sketch map of main control unit in the auxiliary control circuit plate in the television terminal that disclosed of first embodiment.
Fig. 3 is another delay control circuit sketch map in the auxiliary control circuit plate in the television terminal that disclosed of first embodiment.
Fig. 4 is the sequential chart of a liquid crystal display screen.
Fig. 5 is a kind of sketch map with television terminal of improved power supply and signal connection structure that second embodiment of the invention disclosed.
Fig. 6 is a kind of sketch map with television terminal of improved power supply and signal connection structure that third embodiment of the invention disclosed.
Embodiment
For further setting forth technological means and the effect that the present invention takes for the predetermined goal of the invention of realization; Below in conjunction with accompanying drawing and preferred embodiment; To embodiment, structure, characteristic and the effect thereof of the television terminal that proposes according to the present invention with improved power supply and signal connection structure, specify as after.
First embodiment
Fig. 1 is a kind of sketch map with television terminal 100 of improved power supply and signal connection structure that first embodiment of the invention disclosed.Television terminal 100 for example can be DTV or internet television.As shown in Figure 1, television terminal 100 comprises power panel 110, auxiliary control circuit plate 120, master control circuit board 130, drive circuit board 140 and sequential control circuit plate 150.
Auxiliary control circuit plate 120 also links to each other with master control circuit board 130, drive circuit board 140 and this sequential control circuit plate and 150 is electrical connected.Auxiliary control circuit plate 120 is used for the power supply signal Power1-1 that the first power supply signal Power1 obtains after time-delay control is offered drive circuit board 140; Second source signal Power2 and the 3rd power supply signal Power3 are offered master control circuit board 130, and the power supply signal Power3-1 that the 3rd power supply signal Power is obtained after time-delay control offers sequential control circuit plate 150.
Master control circuit board 130 is used to provide picture signal LVDS and control signal Power3-con to auxiliary control circuit plate 120.Picture signal LVDS for example is meant Low Voltage Differential Signal (Low Voltage Differential Signaling); Control signal Power3-con is used to control a main control unit 122 of this auxiliary control circuit plate; Main control unit 122 is used for according to picture signal LVDS calculation control signal; And then output image information LVDS is to sequential control circuit plate 150, and outputs control signals to drive circuit board 140.
In the present embodiment, control signal Power3-con for example is a switching signal.Shown in Figure 2 is the power supply delay control circuit sketch map of main control unit 122, and when Power3-FPGA had electricity, main control unit 122 was started working when promptly being in high level.In circuit shown in Figure 2, when control signal Power3-con was low level, Power3-FPGA equaled Power3.
Main control unit 122 for example can be field programmable gate array (Field-Programmable Gate Array, FPGA).In the present embodiment, main control unit 122 is used to carry out backlight or backlight subarea control.Therefore, main control unit 122 can be according to picture signal LVDS analytical calculation backlight control signal, and backlight control signal for example can be pulse-width modulation (Pulse-Width Modulation) signal.In addition, except backlight control signal, main control unit 122 is gone back output image signal LVDS and control signal Power3-con-fpga.Wherein, picture signal LVDS offers sequential control circuit plate 150, and control signal Power3-con-fpga offers a delay control circuit in the auxiliary control circuit plate 120, and this delay control circuit is as shown in Figure 3.Control signal Power3-con-fpga for example is a switching signal, and when Power3-con-fpga was low level, the output Power3-1 of delay control circuit shown in Figure 3 equaled Power3-FPGA.
Main control unit 122 requires the height state of control Power3-con-fpga according to the sequential of liquid crystal display screen, and then controls and whether electricity is arranged for sequential control circuit plate 150, and sequential control circuit plate 150 is also with regard to the corresponding demonstration of controlling display screen.Shown in Figure 4 is the sequential chart of a liquid crystal display screen; Wherein VCC is exactly the Power3-1 in the present embodiment; LVDS is exactly an image information, when generally using this liquid crystal display screen just need Power3-1 reach stable after in the 0-50 millisecond (ms) auxiliary control circuit plate output image information to sequential control circuit plate 150.
In the television terminal 100 of present embodiment, drive circuit board 140 and sequential control circuit plate 150 are circuit boards independently, yet it can also be formed in the same circuit board, and promptly drive circuit board 140 is one with sequential control circuit plate 150.
In the above-mentioned television terminal 100; Being connected than prior art between power panel 110 and the master control circuit board 130 reduced a lot; Reduced the burden of master control circuit board; And no longer needing connecting line between power panel 110 and power panel 110 and the drive circuit board 130, this connected mode makes the internal wiring of television terminal 100 more succinct, has avoided the rambling phenomenon of connecting line.In addition, the connection between each circuit board is tightr, and the backboard that makes television terminal 100 makes the outward appearance thin typeization more of television terminal 100 because the part of the existence of circuit board and thickening is reduced to approximately 1/4 by 1/2 of original whole liquid crystal module.
Second embodiment
Fig. 5 is a kind of sketch map with television terminal 200 of improved power supply and signal connection structure that second embodiment of the invention disclosed.Consult Fig. 1 and Fig. 5 in the lump; Television terminal 200 is similar with television terminal 100; Its difference is, adopts first connector 210 to be connected between power panel 110 and the auxiliary control circuit plate 120, and employing second connector 220 is connected between auxiliary control circuit plate 120 and the master control circuit board 130.
In the present embodiment; Be formed with slot (figure does not show) on power panel 110, auxiliary control circuit plate 120 and the master control circuit board 130; Insert respectively in the slot of power panel 110 and auxiliary control circuit plate 120 at the two ends of first connector 210, and insert respectively in the slot of auxiliary control circuit plate 120 and master control circuit board 130 at the two ends of second connector 220.
Though be appreciated that in the present embodiment to be that example describes with master control circuit board 130 only with power panel 110, auxiliary control circuit plate 120.Yet, can adopt connector to link to each other equally between auxiliary control circuit plate 120 and drive circuit board 140 and the sequential control circuit plate 150.
Thus; The power panel 110 of present embodiment, auxiliary control circuit plate 120 and master control circuit board 130 connect together through plate-connector for substrate; Connecting line connected mode in the television terminal 100 of first embodiment, layout is more succinct, can further reduce the shared area of each circuit board.
The 3rd embodiment
Fig. 6 is a kind of sketch map with television terminal 300 of improved power supply and signal connection structure that third embodiment of the invention disclosed.Consult Fig. 1 and Fig. 6 in the lump; Television terminal 300 is similar with television terminal 100; Its difference is, adopts first connector 310 to be connected between power panel 110 and the auxiliary control circuit plate 120, and employing second connector 320 is connected between auxiliary control circuit plate 120 and the master control circuit board 130.
In the present embodiment, first connector, 310 two ends are formed with slot respectively, and are formed with splicing ear (figure does not show) on power panel 110, auxiliary control circuit plate 120 and the master control circuit board 130.The splicing ear of the splicing ear of power panel 110 and auxiliary control circuit plate 120 inserts respectively in the slot at first connector, 310 two ends, and the splicing ear of another splicing ear of auxiliary control circuit plate 120 and master control circuit board inserts respectively in the slot of second connector 320.
Thus; The power panel 110 of present embodiment, auxiliary control circuit plate 120 and master control circuit board 130 connect together through plate-connector for substrate; Connecting line connected mode in the television terminal 100 of first embodiment, layout is more succinct, can further reduce the shared area of each circuit board.
The above only is preferred embodiment of the present invention, is not the present invention is done any pro forma restriction; Though the present invention discloses as above with preferred embodiment; Yet be not that any those skilled in the art are not in breaking away from technical scheme scope of the present invention in order to qualification the present invention; When the technology contents of above-mentioned announcement capable of using is made a little change or is modified to the equivalent embodiment of equivalent variations; In every case be not break away from technical scheme content of the present invention, to any brief introduction modification, equivalent variations and modification that above embodiment did, all still belong in the scope of technical scheme of the present invention according to technical spirit of the present invention.
Claims (10)
1. television terminal with improved power supply and signal connection structure; It comprises power panel, auxiliary control circuit plate, master control circuit board, drive circuit board and sequential control circuit plate; This auxiliary control circuit plate and this power panel, master control circuit board, this drive circuit board and this sequential control circuit plate are electrical connected, and it is characterized in that:
This power panel provides power supply signal via this auxiliary control circuit plate to this drive circuit board; This master control circuit board provides picture signal via this auxiliary control circuit plate to this sequential control circuit plate, and this auxiliary control circuit plate is used for to this drive circuit board backlight control signal being provided.
2. the television terminal with improved power supply and signal connection structure as claimed in claim 1; It is characterized in that; This power panel and this auxiliary control circuit plate are electrical connected, and being used for provides first power supply signal, second source signal, reaches the 3rd power supply signal to this auxiliary control circuit plate;
This auxiliary control circuit plate is used for this first power supply signal is offered this drive circuit board after time-delay control; Be used for this second source signal and the 3rd power supply signal are forwarded to this master control circuit board, and be used for the 3rd power supply signal is offered this sequential control circuit plate after time-delay control;
This master control circuit board is used to provide picture signal and control signal to this auxiliary control circuit plate; This control signal is used to control a main control unit of this auxiliary control circuit plate; This main control unit is used for according to said picture signal calculation control signal; And then output image information reaches the output backlight control signal to this drive circuit board to this sequential control circuit plate.
3. the television terminal with improved power supply and signal connection structure as claimed in claim 2 is characterized in that: be electrical connected through connector between this power panel, auxiliary control circuit plate, master control circuit board, drive circuit board and the sequential control circuit plate.
4. the television terminal with improved power supply and signal connection structure as claimed in claim 3; It is characterized in that: these connector two ends are formed with slot; The end of this power panel, auxiliary control circuit plate, master control circuit board, drive circuit board and sequential control circuit plate is formed with splicing ear, and this splicing ear inserts in this slot.
5. the television terminal with improved power supply and signal connection structure as claimed in claim 3; It is characterized in that: the end of this power panel, auxiliary control circuit plate, master control circuit board, drive circuit board and sequential control circuit plate is formed with slot, and insert respectively in this slot at these connector two ends.
6. the television terminal with improved power supply and signal connection structure as claimed in claim 2; It is characterized in that: between this power panel and this auxiliary control circuit plate; And be electrical connected through connector between this auxiliary control circuit plate and this master control circuit board, and be electrical connected through connecting line between this auxiliary control circuit plate and this drive circuit board and this sequential control circuit plate.
7. the television terminal with improved power supply and signal connection structure as claimed in claim 2 is characterized in that: be electrical connected through connecting line between this power panel, auxiliary control circuit plate, master control circuit board, drive circuit board and the sequential control circuit plate.
8. the television terminal with improved power supply and signal connection structure as claimed in claim 2 is characterized in that: this main control unit is a field programmable gate array, and this backlight control signal is used to carry out BLC or backlight subarea control.
9. the television terminal with improved power supply and signal connection structure as claimed in claim 2 is characterized in that: this main control unit is started working when this control signal is low level.
10. the television terminal with improved power supply and signal connection structure as claimed in claim 2; It is characterized in that: this main control unit also is used for the output timing control signal, and this timing control signal is used for the 3rd power supply signal is delayed time control to export this sequential control circuit plate to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210135055.4A CN102685422B (en) | 2012-05-03 | 2012-05-03 | Television terminal with improved power supply and signal connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210135055.4A CN102685422B (en) | 2012-05-03 | 2012-05-03 | Television terminal with improved power supply and signal connection structure |
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| CN102685422A true CN102685422A (en) | 2012-09-19 |
| CN102685422B CN102685422B (en) | 2014-09-17 |
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| CN201210135055.4A Active CN102685422B (en) | 2012-05-03 | 2012-05-03 | Television terminal with improved power supply and signal connection structure |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106162291A (en) * | 2016-07-21 | 2016-11-23 | 乐视控股（北京）有限公司 | Display device and the adapter for display device |
| CN106210819A (en) * | 2016-07-21 | 2016-12-07 | 乐视控股（北京）有限公司 | Display device and the adapter for display device |
| CN106210818A (en) * | 2016-07-21 | 2016-12-07 | 乐视控股（北京）有限公司 | Display device and the adapter for display device |
| CN106231217A (en) * | 2016-08-29 | 2016-12-14 | 红河凯丰科技有限公司 | A kind of pcb board, display screen and Novel television |
| CN111508441A (en) * | 2020-04-23 | 2020-08-07 | 深圳创维－Rgb电子有限公司 | Mini-L ED backlight source control system and television |
| CN113012647A (en) * | 2019-12-20 | 2021-06-22 | 海信视像科技股份有限公司 | Display device and backlight light source control method |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106162290A (en) * | 2016-07-21 | 2016-11-23 | 乐视控股（北京）有限公司 | Display device and the adapter for display device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102685422B (en) | 2014-09-17 |
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Address after: 266100 No. 151, Zhuzhou Road, Laoshan District, Shandong, Qingdao Patentee after: Hisense Visual Technology Co., Ltd. Address before: 266100 No. 151, Zhuzhou Road, Laoshan District, Shandong, Qingdao Patentee before: QINGDAO HISENSE ELECTRONICS Co.,Ltd. |