CN203457262U - Display device and display system with television function - Google Patents
Display device and display system with television function Download PDFInfo
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- CN203457262U CN203457262U CN201320418348.3U CN201320418348U CN203457262U CN 203457262 U CN203457262 U CN 203457262U CN 201320418348 U CN201320418348 U CN 201320418348U CN 203457262 U CN203457262 U CN 203457262U
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Abstract
The utility model discloses a display device and a display system with a television function. The display device comprises an interface, an analog signal processing module, an ADC conversion module, an interlacing/non-interlacing processing module, an image signal processing module, an image driving module, a display module, an audio signal processing module, a power amplifier module and a loudspeaker. The interface, the analog signal processing module, the ADC conversion module, the interlacing/non-interlacing processing module, the image signal processing module, the image driving module and the display module are connected in turn. The interface, the audio signal processing module, the power amplifier module and the loudspeaker are connected in turn. With arrangement of the interface, which is used for being connected with a television receiver stick, on the display device, an external television signal received by the television receiver stick is displayed on the display module so that television programs can be received and watched by the display device independently, and thus great convenience is brought to users.
Description
Technical field
The utility model relates to field of display, particularly a kind of display unit and display system with TV functions.
Background technology
Current display is to be all connected with computer, plays TV programme.If TV reception must configure TV card on the main frame of computer, the analog signal of TV is changed into the digital signal that computer can be identified, thereby play by display.Therefore, existing display does not have the function of independent TV reception; Like this, user must watch by computer when wanting to see TV programme, to user, has carried out inconvenience.
Thereby prior art need to improve.
Utility model content
In view of above-mentioned the deficiencies in the prior art part, the purpose of this utility model is to provide a kind of display unit and display system with TV functions, is intended to solve the problem that display unit in prior art can not independent TV reception.
In order to achieve the above object, the utility model has been taked following technical scheme:
A display unit with TV functions, the TV programme receiving for playing television reception rod, wherein, comprising:
For be connected to receive the vision signal of TV programme and the interface of audio signal that described television reception rod sends with television reception rod;
For described vision signal being converted to the analog module of analog signal;
For described analog signal being converted to the ADC modular converter of interlacing digital signal;
For described interlacing digital signal, convert the interlaced/progressive processing module of digital signal line by line to;
For the picture signal processing module that described digital signal is line by line processed;
For the display module showing;
For the result of described picture signal processing module is amplified and is processed and drive display module to carry out the image-driven module of image demonstration;
For the audio-frequency signal processing module that described audio signal is processed;
For the power amplifier module that the audio frequency result of described audio-frequency signal processing module is carried out to power amplification;
Loud speaker for audio plays;
Described interface, analog module, ADC modular converter, interlaced/progressive processing module, picture signal processing module, image-driven module are connected successively with display module; Described interface, audio-frequency signal processing module, power amplifier module and loud speaker are connected successively.
The described display unit with TV functions, wherein, described analog signal is simulation YUV signal.
The described display unit with TV functions, wherein, also comprises: for external digital signal being treated to the digital signal processing module of digital signal line by line; Described digital signal processing module connection layout image signal processing module.
The described display unit with TV functions, wherein, described interface is USB interface.
The described display unit with TV functions, wherein, described display module is LCD display, light-emitting diode display, PDP display, OLED display or DLP display.
A display system with TV functions, wherein, comprises television reception rod and display unit described above, on described television reception rod, is provided with output port, and described output port connects described interface.
The described display system with TV functions, wherein, described output port comprises for exporting the output interface module of vision signal and the audio signal of TV programme, and for receiving the control interface module of the TV programme of television reception rod being carried out to the signal of zapping; Described output interface module is connected respectively described interface with control interface module.
The described display system with TV functions, wherein, described display unit also comprises: for the TV programme of television reception rod being carried out to the control module of tuning; Described control module connects control interface module by described interface.
The described display system with TV functions, wherein, described television reception rod also comprises:
Tuner interface for received television signal;
For the unbalanced RF signal that described tuner interface is received, be converted to the balun circuit of the RF differential signal of balance;
For the band pass filter that described RF differential signal is carried out to filtering;
For the frequency mixer that the local oscillation signal of the signal after described band pass filter processing and quadrature component is carried out to mixing;
For the power gain amplifier that the signal after the processing of described frequency mixer is amplified;
For analog if signal being converted to the ADC change-over circuit of digital medium-frequency signal;
For described digital medium-frequency signal being carried out to the dsp chip of Digital Signal Processing;
Low pass filter for filtering;
ATV demodulator for demodulation;
Described tuner interface, balun circuit, band pass filter, frequency mixer, power gain amplifier, ADC change-over circuit, dsp chip, low pass filter and ATV demodulator are connected successively.
Compared to prior art, a kind of display unit and display system with TV functions that the utility model provides, by arrange one in display unit, for connecting TV, receive excellent interface, television reception rod is sent in display unit by this interface receiving outside TV signal, described display unit is processed respectively the vision signal of TV programme and audio signal, thereby on display module, play the video of TV programme, and by loud speaker, play the audio frequency of TV programme, thereby make the display unit also can independent TV reception, increased the function of display unit, for having brought greatly, user facilitates.
Accompanying drawing explanation
Fig. 1 is the structured flowchart that the utlity model has the display unit preferred embodiment of TV functions.
Fig. 2 is the structured flowchart that the utlity model has the display system preferred embodiment of TV functions.
Fig. 3 is the structured flowchart that the utlity model has television reception rod preferred embodiment in the display system of TV functions.
Embodiment
The utility model provides a kind of display unit and display system with TV functions, for making the purpose of this utility model, technical scheme and effect clearer, clear and definite, referring to the accompanying drawing embodiment that develops simultaneously, the utility model is further described.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Refer to Fig. 1, Fig. 1 is the structured flowchart that the utlity model has the display unit preferred embodiment of TV functions.As shown in Figure 1, described display unit comprises for be connected to receive the vision signal of TV programme and the interface of audio signal 110 that described television reception rod sends with television reception rod, for described vision signal being converted to the analog module 120 of analog signal, for described analog signal being converted to the ADC modular converter 130 of interlacing digital signal, for converting described interlacing digital signal to the line by line interlaced/progressive processing module 140 of digital signal, for the picture signal processing module 150 that described digital signal is line by line processed, for the display module 180 showing, for the result of described picture signal processing module 150 is amplified and is processed and drive display module 180 to carry out the image-driven module 170 of image demonstration, for the audio-frequency signal processing module 210 that described audio signal is processed, for amplify described audio-frequency signal processing module 210 processing audio signal power amplifier module 220 and for the loud speaker 230 of audio plays, described interface 110, analog module 120, ADC modular converter 130, interlaced/progressive processing module 140, picture signal processing module 150, image-driven module 170 and display module 180 are connected successively, described interface 110, audio-frequency signal processing module 210, power amplifier module 220 and loud speaker 230 are connected successively.
Specifically, the display unit with TV functions that the utility model provides, can be used for playing the TV programme that television reception rod receives, and the TV signal of the TV programme on television reception rod is analog signal, comprises vision signal and audio signal.Television reception rod sends to display unit by the TV signal of reception by interface 110.This TV signal is anolog TV signals, comprises corresponding vision signal (namely VIDEO signal) and audio signal (AUDIO signal).First VIDEO signal converts module by signal to through analog module 120, then by ADC modular converter 130, is transformed to corresponding interlacing digital signal.Described ADC modular converter 130 is analog-to-digital conversion module, for the signal of input is carried out to analog-to-digital conversion.Afterwards, described interlacing digital signal becomes digital signal line by line through interlaced/progressive processing module 140, then enters in picture signal processing module 150 and process.Described picture signal processing module 150 is high performance image processor, the multiple format digital video signal that can come in to front end is processed, then the acceptable image data form of output image driver module 170, it is mainly processed and comprises: digital color brightness processed, colored gamma correction, image scaled, image quality improving, motion compensation and edge-smoothing etc.The data format that described image-driven module 170 is accepted from the result of image processing module 150, and this result is amplified to processing, then drive display module 180 to carry out image demonstration, thereby in display unit, realize the image display function of TV signal.The display unit with TV functions that the utility model provides like this, has realized independent play-out TV programme, for user has brought greatly, facilitates.
When practical application, described analog signal is YUV signal.Described analog module 120 is for converting described vision signal to simulation YUV signal; Described ADC modular converter 130 is for converting described simulation YUV signal to interlacing numeral YUV signal; Described interlaced/progressive processing module 140 converts digital YUV signal line by line to for described interlacing numeral YUV signal; Described picture signal processing module 150 is for processing described digital YUV signal line by line.Illustrate, first described VIDEO signal converts module YUV signal to through analog module 120, then by ADC modular converter 130, is transformed to interlacing numeral YUV signal.Afterwards, described interlacing numeral YUV signal becomes digital YUV signal line by line through interlaced/progressive processing module 140, then enters in picture signal processing module 150 and process.The acceptable image data form of described picture signal processing module 150 output image driver module 170, through image-driven module 170, amplify rear drive display module 180 and carry out image demonstration, thereby in display unit, realize the image display function of TV signal.Wherein, a kind of colour coding method (belonging to PAL) that YUV is adopted by eurovision system, is the color space that PAL and SECAM simulation color television system adopt.Wherein " Y " represents lightness (Luminance or Luma), namely GTG value; That " U " and " V " represents is colourity (Chrominance or Chroma).
The display unit further, with TV functions also comprises: for external digital signal being treated to the digital signal processing module 160 of digital signal line by line; Described digital signal processing module 160 connection layout image signal processing modules 150.Specifically, external digital signal (for example, outside DVI signal, DVI is Digital Visual Interface, digital video) by digital signal processing module 160, be directly converted to digital signal line by line, enter picture signal processing module 150 and process, export corresponding image data form, through image-driven module 170, drive display module 180 to carry out image demonstration, completed the image display function of digital signal.When practical application, described digital signal processing module 160 is for being treated to external digital signal digital YUV signal line by line.Like this, the display unit with TV functions that the utility model provides, has realized direct demonstration digital video signal.
Above-mentioned is handling process with the vision signal of TV programme, for the audio signal from the output of external television reception rod (namely, AUDIO signal), first through audio-frequency signal processing module 210, process, finally by power amplifier module 220, carry out power amplification, then promote loud speaker 230 and send corresponding sound.Described audio-frequency signal processing module 210 comprises audio processing unit, for the high pitch of sound, middle pitch, bass are carried out to corresponding frequency upgrading and combination, makes described display unit can export the multiple audio patterns such as news, arenas and movie theatre.
When practical application, described interface 110 is USB interface, specifically can be USB2.0 interface or USB3.0 interface.Certainly, described display unit can also adopt the interface of other type, preferably adopts USB3.0 interface herein.Described display module 180 can be LCD display, light-emitting diode display, PDP display, OLED display or DLP display etc.Those skilled in the art can select corresponding display according to actual conditions.
Based on the above-mentioned display unit with TV functions, the utility model also provides a kind of display system with TV functions, refer to Fig. 2, Fig. 2 is the structured flowchart that the utlity model has the display system preferred embodiment of TV functions, as shown in Figure 2, described display system comprises television reception rod 300 and above-mentioned display unit, on described television reception rod 300, is provided with output port 310, the described interface 110 of described output port 310 corresponding connection.When practical application, described interface 110 is corresponding female mouthful and male mouthful with output port 310.Thereby described television reception rod 300 carries out data interaction with the corresponding connection of interface 110 with display unit by its output port 310.
Further, described output port 310 comprises for exporting the vision signal of TV programme and the output interface module of audio signal 311, and for receiving the control interface module 312 of the TV programme of television reception rod being carried out to the signal of zapping; Described output interface module 311 is connected respectively described interface 110 with control interface module 312.
Further, described display unit also comprises: for the TV programme of television reception rod 300 being carried out to the control module 190 of tuning; Described control module 190 connects control interface module 312 by described interface 110.
When practical application, described external television reception rod 300, its output port 310 adopts USB3.0 interface, is public mouthful herein, and in display unit, corresponding interface 110 is female mouthful.USB3.0 interface is totally 9 function pins, and utilization five pins are wherein output sound vision signal (video/audio) and control signal (SDA/SCL/ATVDET) respectively, and it is powered from the USB3.0 interface on the mainboard of display unit, and voltage is+5V.When practical application, the modules in display unit is all integrated on a mainboard.Display unit, by the LDO circuit (namely linear voltage-stabilizing circuit) of television reception rod 300 inside, is powered to the internal circuit of television reception rod.The pin function definition of 4 remaining compatible existing USB2.0 interfaces of pin function definition.Described television reception rod 300 carrys out received television signal by the tuner interface of an IEC type.
Further, with reference to figure 3, described television reception rod 300 also comprises: for the tuner interface 320 of received television signal; For the unbalanced RF signal that described tuner interface 320 is received, be converted to the balun circuit 321 of the RF differential signal of balance; For the band pass filter 322 that described RF differential signal is carried out to filtering; For the frequency mixer 323 that the local oscillation signal of the signal after described band pass filter 322 processing and quadrature component is carried out to mixing; For the power gain amplifier 324 that the signal after the processing of described frequency mixer 323 is amplified; For analog if signal being converted to the ADC change-over circuit 325 of digital medium-frequency signal; For described digital medium-frequency signal being carried out to the dsp chip 326 of Digital Signal Processing; Low pass filter 327 for filtering; ATV(simulated television for demodulation) demodulator 328; Described tuner interface 320, balun circuit 321, band pass filter 322, frequency mixer 323, power gain amplifier 324, ADC change-over circuit 325, dsp chip 326, low pass filter 327 and ATV demodulator 328 are connected successively.
Specifically, the TV signal of inputting by coaxial cable is linked into the tuner interface 320 of external television rod, first pass through namely balun circuit 321 of Balun, unbalanced RF signal being changed into the RF differential signal of balance. described balun circuit 321 is balun, is not described in detail herein.The band pass filter 322 that enters again band gain amplification carries out filtering, and by RF-AGC signal (being radio frequency automatic gaining controling signal), this band pass filter 322 gains control.Those of ordinary skills are known, and integral high frequency head AGC controls and is divided into two-stage, and one-level is that RF-AGC controls, and one-level is that IF-AGC controls in addition, and this is prior art, does not do too much description herein.Then the local oscillation signal that enters respectively quadrature component carries out mixing, obtains respectively homophase I component intermediate-freuqncy signal and quadrature Q component intermediate-freuqncy signal, through power gain amplifier 324, amplifies.This power gain amplifier 324 is by the control that gains of IF AGC signal.Then I and Q component signal enter ADC change-over circuit 325, analog if signal is changed into digital medium-frequency signal, then after carrying out Digital Signal Processing by dsp chip 326, through low pass filter 327, carry out filtering again, become modulated-analog signal, finally by ATV demodulator 328, carry out demodulation, then by output interface module 311, obtain video VIDEO signal and audio A UDIO signal, thereby be sent in display unit.The display system with TV functions that the utility model provides, by special external television reception rod, can process better TV signal, reappear image quality better, the audio-video signal of its output is concerning the display unit of rear end, reduced the difficulty that signal is processed, greatly simplify the design of the movement circuit part of display unit, reduced the movement design cost of display unit.
Simultaneously, external television reception rod 300 is in order to coordinate the mainboard of display unit to carry out tuning, control interface module 312 outputs three signal: SDA, SCL and ATVDET in television reception rod 300, wherein SDA is connected with SCL with the SDA on mainboard respectively with SCL, and ATVDET is a detection signal, SDA is data signal line, and SCL is clock cable, I2C bus forms universal serial bus by data signal line SDA and clock cable SCL, can transmit and receive data.When external television reception rod 300 is inserted into display unit, ATVDET exports high level, and display unit detects after this signal, and control module 190 just can be carried out TV signal tuning to television reception rod by SDA and SCL.
In sum, the display unit with TV functions and display system that the utility model provides, described device comprises for be connected to receive the vision signal of TV programme and the interface of audio signal that described television reception rod sends with television reception rod, for described vision signal being converted to the analog module of analog signal, for described analog signal being converted to the ADC modular converter of interlacing digital signal, for described interlacing digital signal, convert the interlaced/progressive processing module of digital signal line by line to, for the picture signal processing module that described digital signal is line by line processed, for the result of described picture signal processing module is amplified and is processed and drive display module to carry out the image-driven module of image demonstration, for the display module showing, for the audio-frequency signal processing module that described audio signal is processed, for the audio frequency result of described audio-frequency signal processing module being carried out to the power amplifier module of power amplification and for the loud speaker of audio plays, described interface, analog module, ADC modular converter, interlaced/progressive processing module, picture signal processing module, image-driven module are connected successively with display module, described interface, audio-frequency signal processing module, power amplifier module and loud speaker are connected successively, by an interface is set in display unit, for connecting external television reception rod, by television reception rod, the outside TV signal receiving is sent in display unit and carries out showing after corresponding data processing, display unit is had concurrently show and TV functions in one, because of TV functions block configuration flexible, when wanting to see TV, only need to insert external television reception rod, incoming television signal.Can meet like this client's different demands, and for the client who only needs Presentation Function, not increase cost; Further, by special external television reception rod, TV signal can be processed better, reappear image quality better, the audio-video signal of its output is concerning the display unit of rear end, reduced the difficulty that signal is processed, greatly simplify the design of the movement circuit part of display unit, reduced the movement design cost of display unit.
Be understandable that; for those of ordinary skills; can be equal to replacement or change according to the technical solution of the utility model and utility model design thereof, and all these changes or replacement all should belong to the protection range of the appended claim of the utility model.
Claims (9)
1. a display unit with TV functions, the TV programme receiving for playing television reception rod, is characterized in that, comprising:
For be connected to receive the vision signal of TV programme and the interface of audio signal that described television reception rod sends with television reception rod;
For described vision signal being converted to the analog module of analog signal;
For described analog signal being converted to the ADC modular converter of interlacing digital signal;
For described interlacing digital signal, convert the interlaced/progressive processing module of digital signal line by line to;
For the picture signal processing module that described digital signal is line by line processed;
For the display module showing;
For the result of described picture signal processing module is amplified and is processed and drive display module to carry out the image-driven module of image demonstration;
For the audio-frequency signal processing module that described audio signal is processed;
For the power amplifier module that the audio frequency result of described audio-frequency signal processing module is carried out to power amplification;
Loud speaker for audio plays;
Described interface, analog module, ADC modular converter, interlaced/progressive processing module, picture signal processing module, image-driven module are connected successively with display module; Described interface, audio-frequency signal processing module, power amplifier module and loud speaker are connected successively.
2. the display unit with TV functions according to claim 1, is characterized in that, described analog signal is simulation YUV signal.
3. the display unit with TV functions according to claim 1, is characterized in that, also comprises: for external digital signal being treated to the digital signal processing module of digital signal line by line; Described digital signal processing module connection layout image signal processing module.
4. the display unit with TV functions according to claim 1, is characterized in that, described interface is USB interface.
5. the display unit with TV functions according to claim 1, is characterized in that, described display module is LCD display, light-emitting diode display, PDP display, OLED display or DLP display.
6. a display system with TV functions, is characterized in that, comprises television reception rod and the display unit as described in claim 1-5 any one, on described television reception rod, is provided with output port, and described output port connects described interface.
7. the display system with TV functions according to claim 6, it is characterized in that, described output port comprises for exporting the output interface module of vision signal and the audio signal of TV programme, and for receiving the control interface module of the TV programme of television reception rod being carried out to the signal of zapping; Described output interface module is connected respectively described interface with control interface module.
8. the display system with TV functions according to claim 7, is characterized in that, described display unit also comprises: for the TV programme of television reception rod being carried out to the control module of tuning; Described control module connects control interface module by described interface.
9. the display system with TV functions according to claim 6, is characterized in that, described television reception rod also comprises:
Tuner interface for received television signal;
For the unbalanced RF signal that described tuner interface is received, be converted to the balun circuit of the RF differential signal of balance;
For the band pass filter that described RF differential signal is carried out to filtering;
For the frequency mixer that the local oscillation signal of the signal after described band pass filter processing and quadrature component is carried out to mixing;
For the power gain amplifier that the signal after the processing of described frequency mixer is amplified;
For analog if signal being converted to the ADC change-over circuit of digital medium-frequency signal;
For described digital medium-frequency signal being carried out to the dsp chip of Digital Signal Processing;
Low pass filter for filtering;
ATV demodulator for demodulation;
Described tuner interface, balun circuit, band pass filter, frequency mixer, power gain amplifier, ADC change-over circuit, dsp chip, low pass filter and ATV demodulator are connected successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320418348.3U CN203457262U (en) | 2013-07-15 | 2013-07-15 | Display device and display system with television function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320418348.3U CN203457262U (en) | 2013-07-15 | 2013-07-15 | Display device and display system with television function |
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| Publication Number | Publication Date |
|---|---|
| CN203457262U true CN203457262U (en) | 2014-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320418348.3U Expired - Fee Related CN203457262U (en) | 2013-07-15 | 2013-07-15 | Display device and display system with television function |
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| CN (1) | CN203457262U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111711848A (en) * | 2020-06-02 | 2020-09-25 | 深圳创维－Rgb电子有限公司 | Display device and display method |
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2013
- 2013-07-15 CN CN201320418348.3U patent/CN203457262U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111711848A (en) * | 2020-06-02 | 2020-09-25 | 深圳创维－Rgb电子有限公司 | Display device and display method |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140226 Termination date: 20210715 |