CN201355845Y - LCD TV set - Google Patents
LCD TV set Download PDFInfo
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- CN201355845Y CN201355845Y CNU2008201833385U CN200820183338U CN201355845Y CN 201355845 Y CN201355845 Y CN 201355845Y CN U2008201833385 U CNU2008201833385 U CN U2008201833385U CN 200820183338 U CN200820183338 U CN 200820183338U CN 201355845 Y CN201355845 Y CN 201355845Y
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- 238000012545 processing Methods 0.000 claims abstract description 44
- 238000006243 chemical reaction Methods 0.000 claims abstract description 16
- 239000004973 liquid crystal related substance Substances 0.000 claims description 26
- 238000004088 simulation Methods 0.000 claims description 19
- 230000008859 change Effects 0.000 claims description 4
- 230000009466 transformation Effects 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 230000002250 progressing effect Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 7
- 238000013461 design Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
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Abstract
The utility model discloses an LCD TV set which comprises a video input module, a main video decoding module, a main video processing module, a main LCD display module, an auxiliary video decoding module, an auxiliary video processing module and an auxiliary LCD display module; the video input module divides the received data signal into two circuits, sends a circuit of signal into the main video encoding module to decode the signal into main video information, sends the main video information into the main video processing module, so the main video information is processed with color space conversion, interlacing and progressing switching, video scaling, image enhancement, CPU control and frame rate adjustment, and then the processed signal is sent to the main LCD display module to display the signal, and the data signal of the other circuit is sent to the auxiliary video decoding module to decode the signal into graphic information, and the graphic information is sent into the auxiliary video processing module to conduct graphic scaling, format conversion and simultaneous display, and finally the processed signal is sent to the auxiliary display module to display the signal.
Description
Technical field
The utility model belongs to the TV applications technical field, particularly about a kind of liquid crystal TV set.
Background technology
At present, the broadcasted content of television set is more and more abundanter, in display video image, also to show some graph text informations, for example station symbol, platform name, channel, program names, weather, advertisement, the literal or the like of pointing out, move about, these contents make the panorama of video image constantly be blocked, be cut apart, and excellent picture is usually seen incomplete, therefore bring very big inconvenience to spectators.Because the display screen of television set has only one at present, for video image and graph text information are shown simultaneously, need to adopt corresponding techniques, for example because at VBI (Vertical Blanking Interval, vertical blanking period) there is not any image information during, transmits picture and text, CC (Close Caption, closed caption)/V-CHIP (ProgramBlocking during can utilizing this, program limits) etc. information, they are superimposed upon on the trace image after by the television receiver decoding again.And television set is when showing video image and graph text information simultaneously, and graph text information can produce raw video image block interference, thereby reduces the result of broadcast of video image.
Television set is as the electronic product of herbal now, continuous development along with technology, constantly develop from low-grade TV to high-end TV, from traditional CRT (Cathode Ray Tube, cathode ray tube) develops into digital flat panel and show the epoch, Digital Television has colourful multimedia function, along with IPTV (InternetProtocol Television, network protocol television), broadcast technology and 3C (china compulsory certifications such as wire and wireless TV, English name China Compulsory Certification, english abbreviation CCC) accelerated development of Rong Heing, the cost of Digital Television and price are continuous decline, be the more excellent more high-grade differentiation product of exploitation, realize being worth competition and created condition.
The utility model content
The utility model provides a kind of liquid crystal TV set, being used to solve existing liquid crystal TV set shows graph text information and video image in same LCD MODULE, graph text information can produce raw video image and block interference, thereby reduces the problem of the result of broadcast of video image.
The utility model is taked following technical scheme:
A kind of liquid crystal TV set comprises video input module, main video decode module, main video processing module, host liquid crystal display module, auxilliary video decode module, auxilliary video processing module and auxiliary LCD MODULE,
Described video input module is divided into two-way with the data-signal that receives, one circuit-switched data signal sent in the described main video decode module decode main video information, should main video information send into carry out in the main video processing module that color space transformation, interlacing change line by line, video scaling, figure image intensifying, CPU control and frame frequency adjustment, the signal that obtains after handling is shown by described host liquid crystal display module;
Another circuit-switched data signal sent in the described auxilliary video decode module decode graph text information, this graph text information sent into carry out picture and text convergent-divergent, format conversion in the described auxilliary video processing module and show synchronously handling, the signal that obtains after handling is shown by described secondary module.
Described data-signal comprises anolog TV signals and digital television signal; Described anolog TV signals comprise simulated television vision signal and row, field sync signal.
Described auxilliary video decode module comprises simulation picture and text decoder, closed caption processor, auxilliary Video Decoder and digital picture and text decoder,
The described anolog TV signals that described auxilliary video decode module will receive are divided into two-way, one road signal is sent into described simulation picture and text decoder decode go out simulation drawing literary composition information, and generate corresponding simulation color facsimile signal and the quickly-blanking signal outputs in the described auxilliary Video Decoder; Another road signal is sent into the class information that the closed caption processor decodes goes out closed caption and TV programme, and generate corresponding simulation color facsimile signal and composite synchronizing signal outputs in the described auxilliary Video Decoder;
Described auxilliary Video Decoder carries out analog-to-digital conversion to the simulation color facsimile signal that receives, and the color digital facsimile signal that obtains after the conversion is outputed in the described auxilliary video processing module;
The described digital television signal that described auxilliary video decode module will be received is sent into described digital picture and text decoder decode and is gone out digital graph text information, and the colored facsimile signal of generation corresponding digital outputs in the described auxilliary video processing module.
The model that described simulation picture and text decoder is produced by PHILIPS Co. is that the chip of SAA5264 constitutes;
The model that described processor is produced by ZILOG Corporation is that the chip of Z86229 constitutes;
The model that described auxilliary Video Decoder is produced by MICRONAS company is that the chip of VPC3230D constitutes;
Described digital picture and text decoder is made of field programmable gate array.
Described auxilliary video processing module comprises digital video processor, microprocessor and memory, wherein:
Described digital video processor color digital facsimile signal to described auxilliary video decode module output under the control of described microprocessor carries out picture and text convergent-divergent, format conversion and shows synchronously handling, and the signal that will obtain after will handling is shown by auxiliary LCD MODULE; All kinds of facsimile data signals in the described digital video processor carry out buffer-stored by described memory.
The model that described digital video processor is produced by Wei Sida company is that the chip of WSC1115 constitutes.
Described auxilliary video processing module comprises programmable digital video processor and memory, wherein:
Color digital facsimile signal to described auxilliary video decode module output under the control of the CPU that described programmable digital video processor is put within it carries out picture and text convergent-divergent, format conversion and shows synchronously handling, and the signal that will obtain after will handling is shown by described auxiliary LCD MODULE; All kinds of facsimile data signals in the described digital video processor carry out buffer-stored by described memory.
The utility model is owing to take above technical scheme, and it has the following advantages:
1, because the utility model is divided into two screen displays with graph text information and video image information, therefore guaranteed the integrality of video image picture, satisfied spectators' the requirement of viewing and admiring to greatest extent, bring more perfectly visual enjoyment to the user;
2, because the utility model has been realized the independent demonstration of graph text information, therefore eliminated the block interference of graph text information, improved the quality that video image shows video image information;
3, because the utility model has been realized the independent demonstration of graph text information, therefore the function that shows for graph text information expand brought new may and opportunity.
Description of drawings
Fig. 1 is the Video processing of liquid crystal TV set described in the utility model and the structural representation of display part;
Fig. 2 is the structural representation of the auxilliary video decode module of liquid crystal TV set described in the utility model;
Fig. 3 is a kind of structural representation of the auxilliary video processing module of liquid crystal TV set described in the utility model;
Fig. 4 is the another kind of structural representation of the auxilliary video processing module of liquid crystal TV set described in the utility model;
Fig. 5 is the external structure schematic diagram of liquid crystal TV set described in the utility model.
Embodiment
Below in conjunction with drawings and Examples the utility model is carried out concrete description.
The Video processing of the present utility model as shown in Figure 1 and the structured flowchart of display part, as seen from the figure, Video processing of the present utility model and display part comprise video input module 1, main video decode module 2, main video processing module 3, host liquid crystal display module 4, auxilliary video decode module 5, auxilliary video processing module 6 and auxiliary LCD MODULE 7.The signal that television set receives switches by video input module 1, obtains different types of data-signal, and this data-signal comprises anolog TV signals and digital television signal, and anolog TV signals comprise simulated television vision signal and row, field sync signal again.Then the data-signal that obtains is divided into two-way, one circuit-switched data signal is decoded by main video decode module 2, obtain main video signal, the main video signal that obtains again by main video processing module 3 carry out that color space transformation, interlacing change line by line, processing such as video scaling, figure image intensifying, CPU control and frame frequency adjustment, the signal after handling the most at last shows by host liquid crystal display module 4; Another circuit-switched data signal is decoded by auxilliary video decode module 5, obtain graph text information, the graph text information that obtains carries out processing such as picture and text convergent-divergent, format conversion and demonstration synchronously again through auxilliary video processing module 6, the signal after this processing shows by auxiliary LCD MODULE 7 the most at last.
Wherein, video input module 1 design is identical with original technology, finishes the switching of video input, obtains different types of data-signal, then above-mentioned data-signal is divided into two-way, sends into respectively in main video decode module 2 and the auxilliary video decode module 5.Main video decode module 2 designs are identical with original technology, are used for the main video-information decoding of video data is come out, and decoded main vedio data no longer comprises the bar shaped information that auxiliary LCD MODULE 7 shows of giving.3 designs of main video processing module are identical with original technology, to the main video signal of main video decode module output carry out that color space transformation, interlacing change line by line, video scaling, figure image intensifying, CPU controls and processing such as frame frequency adjustment.Host liquid crystal display module 4 all adopts prior art to realize with auxiliary LCD MODULE 7, and the grey level of auxiliary LCD MODULE 7 can be lower than the grey level of above-mentioned host liquid crystal display module 4.
Fig. 2 is the structural representation of auxilliary video decode module 5, and as seen from the figure, auxilliary video decode module 5 comprises: simulation picture and text decoder 51, closed caption processor 52, auxilliary Video Decoder 53 and digital picture and text decoder 54.Auxilliary video decode module 5 is divided into two-way with the anolog TV signals that it receives, one road anolog TV signals are sent into simulation picture and text decoder 51 and are decoded the simulation graph text information, and generate corresponding analog rgb (Red GreenBlue, colour) facsimile signal and quickly-blanking signal output in the auxilliary Video Decoder 53, another road anolog TV signals are sent into the class information that closed caption processor 52 decodes closed caption and TV programme, and generate corresponding simulation color facsimile signal and composite synchronizing signal and output in the auxilliary Video Decoder 53, the analog rgb facsimile signal that auxilliary 53 pairs of Video Decoders receive carries out analog-to-digital conversion, obtain meeting ITU-R BT656 (International Telecommunication Union-Radio communicationSector Broadcasting service television, be meant the digital transmission interface standard that adopts between a kind of digital-video equipment of International Telecommunications Union's formulation) standard digital signals, and the color digital facsimile signal that will obtain after will changing outputs to the processing of carrying out next step in the auxilliary video processing module 6; Auxilliary video decode module 5 is sent the digital television signal that receives into digital picture and text decoder 54 and is decoded digital graph text information, and generation corresponding digital RGB facsimile signal outputs to the processing of carrying out next step in the auxilliary video processing module 6 equally.
The model that simulation picture and text decoder 51 in the utility model is produced by PHILIPS Co. is that the chip of SAA5264 constitutes.The model that processor 52 in the utility model is produced by ZILOG Corporation is that the chip of Z86229 constitutes.The model that auxilliary Video Decoder 53 in the utility model is produced by MICRONAS company is that the chip of VPC3230D constitutes.Digital picture and text decoder 54 in the utility model is by FPGA (Field-Programmable Gate Array, field programmable gate array) constitutes, numeral picture and text decoder 54 also can be made of other programmable chip or special-purpose decoding chip, also can be made of jointly programmable chip and special-purpose decoding chip.
Auxilliary video processing module 6 specifically can be made of following dual mode:
Fig. 3 is a kind of structural representation of auxilliary video processing module 6, and as seen from the figure, auxilliary video processing module 6 comprises: digital video processor 61, microprocessor 62 and memory 63.Digital video processor 61 color digital facsimile signal to auxilliary video decode module 5 outputs under the control of microprocessor 62 carries out picture and text convergent-divergent, format conversion and shows synchronously handling, finally obtaining can be by the auxiliary facsimile signal of assisting LCD MODULE 7 to show, all kinds of facsimile data signals in the digital video processor 61 carry out buffer-stored at memory 63.
Digital video processor 61 in the auxilliary video processing module that is made of aforesaid way is to be that the chip of WSC1115 constitutes by the model that Wei Sida company produces.
Fig. 4 is the another kind of structural representation of auxilliary video processing module 6, and as seen from the figure, auxilliary video processing module 6 comprises: programmable digital video processor 64 and memory 65.Color digital facsimile signal to auxilliary video decode module 5 outputs under the control of the CPU that programmable digital video processor 64 is put within it carries out picture and text convergent-divergent, format conversion and shows synchronously handling, finally obtaining can be by the auxiliary facsimile signal of assisting LCD MODULE 7 to show, all kinds of facsimile data signals in the digital video processor 64 are stored at memory 65.
Fig. 5 is an external structure schematic diagram of the present utility model, as seen from the figure, the auxiliary LCD MODULE 7 of bar shaped of the present utility model be arranged at rectangle host liquid crystal display module 4 under, the original sound equipment opening 8 of television set is arranged on the both sides of above-mentioned two LCD MODULE, and the two ends up and down of sound equipment opening 8 are equal with the bottom of the auxiliary LCD MODULE 7 of bar shaped with the top of original rectangle host liquid crystal display module 4 respectively.The positive bottom of TV shell 9 is provided with the mains switch identical with traditional design 91, power lights 92, and infrared opening 93 and regulate button 94 is wherein reconciled button 94 and also can be designed side at housing of TV set 9.
Obviously, those skilled in the art can carry out various changes and modification to the utility model, for example is used to constitute the television set of the band auxiliary display screen of other type, for example changes the model that adopts chip again, and does not break away from spirit and scope of the present utility model.Like this, if of the present utility model these are revised and modification belongs within the scope of the utility model claim and equivalent technologies thereof, then the utility model also is intended to comprise these changes and modification interior.
Claims (6)
1, a kind of liquid crystal TV set is characterized in that: comprise video input module, main video decode module, main video processing module, host liquid crystal display module, auxilliary video decode module, auxilliary video processing module and auxiliary LCD MODULE;
Described video input module is divided into two-way with the data-signal that receives, one circuit-switched data signal sent in the described main video decode module decode main video information, should main video information send into carry out in the main video processing module that color space transformation, interlacing change line by line, video scaling, figure image intensifying, CPU control and frame frequency adjustment, the signal that obtains after handling is shown by described host liquid crystal display module;
Another circuit-switched data signal sent in the described auxilliary video decode module decode graph text information, this graph text information sent into carry out picture and text convergent-divergent, format conversion in the described auxilliary video processing module and show synchronously handling, the signal that obtains after handling is shown by described secondary module.
2, liquid crystal TV set as claimed in claim 1 is characterized in that: described auxilliary video decode module comprises simulation picture and text decoder, closed caption processor, auxilliary Video Decoder and digital picture and text decoder;
The described anolog TV signals that described auxilliary video decode module will receive are divided into two-way, one road signal is sent into described simulation picture and text decoder decode go out simulation drawing literary composition information, and generate corresponding simulation color facsimile signal and the quickly-blanking signal outputs in the described auxilliary Video Decoder; Another road signal is sent into the class information that the closed caption processor decodes goes out closed caption and TV programme, and generate corresponding simulation color facsimile signal and composite synchronizing signal outputs in the described auxilliary Video Decoder;
Described auxilliary Video Decoder carries out analog-to-digital conversion to the simulation color facsimile signal that receives, and the color digital facsimile signal that obtains after the conversion is outputed in the described auxilliary video processing module;
The described digital television signal that described auxilliary video decode module will be received is sent into described digital picture and text decoder decode and is gone out digital graph text information, and the colored facsimile signal of generation corresponding digital outputs in the described auxilliary video processing module.
3, liquid crystal TV set as claimed in claim 2 is characterized in that: the model that described simulation picture and text decoder is produced by PHILIPS Co. is that the chip of SAA5264 constitutes;
The model that described processor is produced by ZILOG Corporation is that the chip of Z86229 constitutes;
The model that described auxilliary Video Decoder is produced by MICRONAS company is that the chip of VPC3230D constitutes;
Described digital picture and text decoder is made of field programmable gate array.
4, liquid crystal TV set as claimed in claim 1 is characterized in that: described auxilliary video processing module comprises digital video processor, microprocessor and memory, wherein:
Described digital video processor color digital facsimile signal to described auxilliary video decode module output under the control of described microprocessor carries out picture and text convergent-divergent, format conversion and shows synchronously handling, and the signal that will obtain after will handling is shown by auxiliary LCD MODULE; All kinds of facsimile data signals in the described digital video processor carry out buffer-stored by described memory.
5, liquid crystal TV set as claimed in claim 4 is characterized in that: the model that described digital video processor is produced by Wei Sida company is that the chip of WSC1115 constitutes.
6, liquid crystal TV set as claimed in claim 1 is characterized in that: described auxilliary video processing module comprises programmable digital video processor and memory, wherein:
Color digital facsimile signal to described auxilliary video decode module output under the control of the CPU that described programmable digital video processor is put within it carries out picture and text convergent-divergent, format conversion and shows synchronously handling, and the signal that will obtain after will handling is shown by described auxiliary LCD MODULE; All kinds of facsimile data signals in the described digital video processor carry out buffer-stored by described memory.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CNU2008201833385U CN201355845Y (en) | 2008-12-16 | 2008-12-16 | LCD TV set |
Applications Claiming Priority (1)
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CNU2008201833385U CN201355845Y (en) | 2008-12-16 | 2008-12-16 | LCD TV set |
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CN201355845Y true CN201355845Y (en) | 2009-12-02 |
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CNU2008201833385U Expired - Fee Related CN201355845Y (en) | 2008-12-16 | 2008-12-16 | LCD TV set |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104917983A (en) * | 2015-05-29 | 2015-09-16 | 北京时代奥视科技股份有限公司 | Device, system and method for processing hiding subtitles in digital video signals |
WO2017028111A1 (en) * | 2015-08-16 | 2017-02-23 | 胡丹丽 | Television having human body tracking function and control method therefor |
WO2017028112A1 (en) * | 2015-08-16 | 2017-02-23 | 胡丹丽 | Television having human body tracking function and control method therefor |
-
2008
- 2008-12-16 CN CNU2008201833385U patent/CN201355845Y/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104917983A (en) * | 2015-05-29 | 2015-09-16 | 北京时代奥视科技股份有限公司 | Device, system and method for processing hiding subtitles in digital video signals |
WO2017028111A1 (en) * | 2015-08-16 | 2017-02-23 | 胡丹丽 | Television having human body tracking function and control method therefor |
WO2017028112A1 (en) * | 2015-08-16 | 2017-02-23 | 胡丹丽 | Television having human body tracking function and control method therefor |
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Granted publication date: 20091202 Termination date: 20111216 |