TWM451641U - Composite line of split television - Google Patents

Abstract

A split television includes a display, a host and a composite line for connecting the display and the host together. The composite line includes a cable, a fist end and a second end respectively connected to opposite ends of the cable. The first end includes a signal output end and a power output end, the second end includes a signal input end and a power input end. The signal input end receives the signal from the host, and the composite line transfers the signals to the display via the signal output end. The host connects to a power source, and the power input end receives power from the host, and the composite line transfers the power to the display via the power output end.

Description

Split TV bus

The present invention relates to the field of television, and in particular to a connection line applied to a split type television.

With the development of flat panel display technology, the trend of flat panel LCD TVs is getting thinner and thinner, and ultra-thin LCD TVs have become the development trend of LCD TVs. At present, the implementation of ultra-thin liquid crystal televisions generally thins the components in the television, such as reducing the thickness of the liquid crystal panel module, reducing the thickness of the power supply, and reducing the thickness of the television circuit board, but these methods are all The thickness of the television can only be reduced to a certain extent, and at the same time, the reduction in thickness leads to the disadvantage that the heat dissipation is poor and the optical characteristics are degraded. Another way is to transfer the TV's circuit board and power supply from the rear of the screen to the bottom of the screen or other locations, but this method can not achieve the realization of ultra-thin and achieve a narrow frame, affecting the appearance.

In addition, in addition to a power cord, a typical television set requires a 75 Ω coaxial cable to receive analog TV signals. The TV can also receive video source input from other video devices such as digital set-top boxes and digital video recorders through High Definition Multimedia Interface (HDMI) or Digital Video Interface (DVI), which requires additional Multiple connection lines. Therefore, this kind of television data interface is complicated, and the types of data lines are various. It is difficult for a general user to perform correct wiring even according to the manual, and the use is very inconvenient.

In view of this, it is necessary to provide a bus for a split type television which is simple in wiring.

A bus for a split type television for connecting mutually separate display devices and control boxes, the bus including a line body and first and second terminals extending from the line body from both ends thereof The first terminal includes a signal output terminal and a power input terminal, the second terminal includes a signal input terminal and a power output terminal; the signal output terminal is connected to a signal output interface of the control box, and the signal input terminal and the display device The signal input interface is connected, the bus receives the signal outputted by the control box through the signal output terminal, and transmits the signal to the display device through the signal input terminal; the power input terminal is connected to the power output interface of the control box, and the power output terminal is The power interface of the display device is connected, and the control box is connected to a power source, and the power input terminal receives power from the power source and transmits the power to the display device via the power output terminal.

The display device and control box of the split TV are only connected via a bus, and the bus transmits image signal data and power at the same time, and the wiring method is simple.

The present invention will be further described in detail below with reference to the accompanying drawings.

1 is a schematic structural diagram of a split type television 100 according to an embodiment of the present invention. The split type television 100 includes a display device 10 and a control box 20 that are separated from each other. The display device 10 and the control box 20 are connected by a bus 30. .

Referring to FIG. 2, the bus 30 includes a line body 33 and a first terminal 31 and a second terminal 32 extending from both ends of the line body 33. The first terminal 31 includes a signal output terminal 311 and a power output terminal 312. The second terminal 32 includes a signal input terminal 321 and a power input terminal 322.

Referring to FIG. 3 together, in the embodiment, the display device 10 is a thin display, and the thin display may be a thin liquid crystal display or a flat liquid crystal display. The display device 10 includes a display unit 120, a driving unit 110, an image processing unit 130, and an input interface 140. The input interface 140 includes a signal input interface 1401 and a power input interface 1402. The first terminal 31 of the bus 30 is connected to the input interface 140 of the display device 10, wherein the signal output terminal 311 of the first terminal 31 is connected to the signal input interface 1401 of the input interface 140, and the power output terminal of the first terminal 31 is connected. 312 is coupled to power input interface 1402 of input interface 140.

The control box 20 includes a television tuner 241, a television signal processing module 240, a conversion module 230, a plurality of video input interfaces 26, a microprocessor 270, an audio processing unit 220, a speaker 221, a power module 280, and an output interface 210. The output interface 210 includes a signal output interface 211 and a power output interface 212.

The second terminal 32 of the bus 30 is connected to the output interface 210 of the control box 20, wherein the signal input terminal 321 of the second terminal 32 is connected to the signal output interface 211 of the output interface 210, and the power input terminal of the second terminal 32 is connected. The 322 is coupled to the power input power output interface 212 of the output interface 210. The power module 280 of the control box 20 is connected to an external power source. The power output interface 212 is connected to the power module 280. The power output interface 212 receives power from the power module 280 and transmits the power to the display device 10 via the bus 30.

The television tuner 241 includes an analog television tuner 2411 and a digital television tuner 2412. The control box 20 can receive an analog television signal through an antenna or a wired closed circuit signal receiving circuit for receiving an analog television signal transmitted from an antenna or a wired closed circuit signal receiving circuit to perform high frequency amplification of the analog television signal. After the comparison processing, the channel decoding, and the demodulation, the digital video transmission stream is restored to the television signal processing module 240. The TV signal processing module 240 is connected between the TV tuner 241 and the conversion module 230. The TV signal processing module 240 performs source decoding and the like on the digital video transmission stream to restore the original digitized sound. Video material.

The control box 20 can receive a digital television signal transmitted by a wireless signal receiving circuit, such as a satellite digital television signal or a terrestrial digital television signal; the control box 20 can also receive a cable digital television signal transmitted by the television cable, and the control box receives the Satellite digital television signals, terrestrial digital television signals, and cable digital television signals are modulated digital RF signals. The digital television tuner 2412 is configured to receive a digital television signal transmitted from a wireless signal receiving circuit or a cable digital television cable, demodulate the digital television signal into a digital video transmission stream, and transmit the digital television signal to the television signal processing module 240. Similarly, the television signal processing module 240 performs source decoding and the like on the digital video transmission stream to restore the original digitized audio and video data.

In the present embodiment, the original digitized audio and video material includes 4:4:4 sampling or 4:2:2 sampling RGB image data, and audio data. In other embodiments, the image data in the original audio and video signal may also be original image data in various encoding modes such as image data in YCbCr format or image data in YUV format.

The conversion module 230 includes a field-programmable gate array (FPGA)-based multi-input digital video conversion chip, which can convert the received digital audio and video signals into pre-process according to the needs of the conversion format. Set video data in digital video format. The conversion module 230 is configured to receive the audio and video signals, and convert the received audio and video data into image data and audio data of a preset signal transmission standard. The signal output interface 211 transmits the image data converted by the conversion module 230 to the display device 10 via the bus 30. The audio processing unit 220 controls a speaker 221 to emit a corresponding sound according to the audio data converted by the conversion module 230. In the present embodiment, the speaker 221 is an audio.

In the present embodiment, the signal output interface 211 of the control box 20 and the signal input interface 1401 of the display device 10 are HDMI ports for signal transmission using the HDMI signal transmission standard. The signal output terminal 311 and the signal input terminal 321 of the bus 30 are HDMI terminals that perform signal transmission using the HDMI signal transmission standard. The conversion module 230 converts the received audio and video signals transmitted from the television signal processing module 240 into image data and audio data of the HDMI signal transmission standard.

The signal input interface 1401 of the display device 10 is connected to the signal output terminal 311 of the first terminal 31 of the bus 30 for receiving the compliance pre-transmission transmitted from the signal output interface 211 of the control box 20 via the bus 30. Set the image data of the signal transmission standard. The image processing unit 130 is configured to convert the image data received by the signal input interface 1401 into a driving signal recognizable by the driving unit 110, and transmit the driving signal to the driving unit 110. In the embodiment, the image processing unit 130 converts the image data received by the signal input interface 1401 into a low voltage differential signal (LVDS). In other embodiments, the image processing unit 130 transmits the HDMI signal. Standard image data is converted to MINI-LVDS signals. The driving unit 110 drives the display unit 120 to display an image according to the driving signal transmitted by the image processing unit 130.

The plurality of video input interfaces 26 of the control box 20 are configured to connect with an external audio and video source through a corresponding interface connection line, and receive corresponding audio and video data or audio and video files. In the present embodiment, the plurality of video input interfaces 26 of the control box 20 include a USB interface 261 and an Internet interface 262. The USB interface 261 is configured to receive a video file transmitted via a USB interface, and the USB interface 261 can be connected to a mobile storage device or an electronic device having a storage function. The control box 20 is connected to the Internet via the Internet interface 262, and the Internet interface 262 of the control box 20 can receive video files transmitted to the control box 20 via the Internet. The control box 20 further includes a video decoding module 250. One end of the video decoding module 250 is connected to the USB interface 261 and the Internet interface 262, and the other end is connected to the conversion module 230 for connecting the USB interface 261 and the Internet. The video file received by the interface 262 is decoded and restored to the original digitized audio and video material, and the audio and video data is sent to the conversion module 230. As described above, the conversion module 230 converts the received audio and video data into image data and audio data of a preset signal transmission standard.

The video input interface 26 of the control box 20 further includes a Video Graphics Array (VGA) interface 263 or a Composite Video Blanking and Sync (CVBS) interface 264, and the VGA interface 263 and the CVBS interface 264. They are all video signal transmission interfaces based on the analog signal data transmission standard. The VGA interface 263 and the CVBS interface 264 are respectively configured to receive analog audio and video data in a corresponding format. The control box 20 further includes a digital/analog conversion module 251. One end of the digital/analog conversion module 251 is connected to the VGA interface 263 and the CVBS interface 264, and the other end is connected to the conversion module 230 for the VGA interface 263. And the audio signal data based on the analog signal received by the CVBS interface 264 is converted into digital audio and video data, and the digitized audio and video data is sent to the conversion module 230. The conversion module 230 converts the received audio and video data into image data and audio data of a preset signal transmission standard.

The plurality of video input interfaces 26 of the control box 20 may further include a digital video interface (DVI), which transmits audio and video signals in a digitized data format. The DVI interface 265 is configured to receive the digitized audio and video data, and send the received digitized audio and video data to the conversion module 230.

In this embodiment, the plurality of video input interfaces 26 of the control box 20 further include an HDMI interface 266 for receiving audio and video data transmitted by the HDMI signal transmission standard. In the present embodiment, the signal output interface 211 of the control box 20 and the signal input interface 1401 of the display device 10 are used for signal transmission using the HDMI signal transmission standard, and the audio and video data received via the HDMI interface 266 is already transmitted as an HDMI signal. The mode does not need to be converted by the conversion module 230. The signal output interface 211 transmits the image data in the audio and video data received by the HDMI interface 266 to the display device 10 via the bus 30. The audio processing unit 220 controls the speaker 221 to respond according to the audio data in the audio and video data received by the HDMI interface 266. sound.

The microprocessor 270 is configured to switch the connection between the different video input interfaces 26 and the conversion module 230 according to whether the video input interface 26 is connected to the data source. That is, the microprocessor 270 establishes a connection between the television signal processing module 240 and the conversion module 230 when detecting that the video input interface 26 is not connected to the data source, and receives the audio and video restored by the television signal processing module 240. Data, and converting the received audio and video data into image data and audio data of a preset signal transmission standard; when the microprocessor 270 detects that a video input interface 26 is connected to the data source, the video input interface is established. The connection with the conversion module 230 receives the audio and video data input by the video input interface 26 and converts the received audio and video data into image data and audio data of a preset signal transmission standard.

In other embodiments, other signal transmission standards may be used between the control box 20 and the display device 10 for signal transmission, such as a VGA signal transmission standard or a DVI signal transmission standard.

In this embodiment, the television tuner 241 converts the received digital television signal or the analog television signal into a digital video transmission stream, and then decodes the source into the original digitized audio and video data through the television signal processing module 240, and converts the data. The module 230 converts the original digitized audio and video data into image data and audio data of a preset signal transmission standard. The video signal is transmitted to the display device 10 via the bus 30 for display, and the audio material audio processing unit 220 and the speaker are converted into sound signals. After the video file and the audio and video data received by the other video input interface 26 are also converted into the image data and audio data of the preset signal transmission standard via the conversion module 230, the image data is transmitted to the display device 10 via the bus 30 for display, and the audio is displayed. The data is converted to a sound signal via the audio processing unit 220 and the speaker.

The display device 10 and the control box 20 of the split type television 100 of the present invention are separately designed. The display device 10 only includes a display panel, necessary driving circuits and image processing chips, and the remaining power modules, data processing modules and speakers are all set. Inside the control box 20. The thickness of the display device 10 can be reduced to a minimum. The control box 20 is integrated with a TV tuner 241 and a plurality of video input interfaces 26, and can receive analog television signals, digital television signals, and various different formats of video files and audio and video materials via different transmission modes, and the video files and audio and video materials are converted. After the standard image data and audio data are transmitted for the preset signal, the image data is transmitted to the display device 10 via the bus 30 for display, and the audio data is converted into a sound signal via the audio processing unit 220 and the speaker.

In the present invention, the display device 10 of the split type television 100 and the control box 20 are connected only via a bus 30, which simultaneously transmits image data and power, and the wiring method is simple.

It should be understood by those skilled in the art that the above embodiments are only used to illustrate the present invention, and are not intended to limit the present invention, as long as the novel nature is the use of two identical parts of the interlocking assembly structure, built-in round Or the sliding gasket structure of the cylindrical ball does not depart from the scope of the patent protection of the present invention.

100‧‧‧ split TV

10‧‧‧ display device

110‧‧‧ drive unit

120‧‧‧Display unit

130‧‧‧Image Processing Unit

140‧‧‧Input interface

1401‧‧‧Signal input interface

1402‧‧‧Power input interface

20‧‧‧Control box

210‧‧‧Output interface

211‧‧‧Signal output interface

212‧‧‧Power output interface

220‧‧‧Audio Processing Unit

221‧‧‧Speaker

230‧‧‧Transition module

240‧‧‧TV signal processing module

241‧‧‧TV tuner

2411‧‧‧ analog TV tuner

2412‧‧‧Digital TV Tuner

250‧‧‧Video Decoding Module

251‧‧‧Digital/Analog Converter Module

26‧‧‧Video input interface

261‧‧‧USB interface

262‧‧‧Internet interface

263‧‧‧Video Graphics Array Interface

264‧‧‧Composite video interface

265‧‧‧Digital video interface

266‧‧‧HDMI interface

270‧‧‧Microprocessor

280‧‧‧Power Module

30‧‧‧ bus

31‧‧‧First terminal

311‧‧‧Signal output terminal

312‧‧‧Power output terminal

32‧‧‧second terminal

321‧‧‧Signal input terminal

322‧‧‧Power input terminal

FIG. 1 is a schematic structural view of a split type television in an embodiment of the present invention.

2 is a schematic structural view of a bus of the split type television of FIG. 1.

3 is a schematic structural view of a module of the split type television of FIG. 1.

30‧‧‧ bus

31‧‧‧First terminal

311‧‧‧Signal output terminal

312‧‧‧Power output terminal

32‧‧‧second terminal

321‧‧‧Signal input terminal

322‧‧‧Power input terminal

Claims (2)

A bus for a split type television for connecting display devices and control boxes separated from each other, characterized in that:
The bus includes a wire body and first and second terminals extending from the wire body from the both ends thereof, the first terminal includes a signal output terminal and a power output terminal, and the second terminal includes a signal input terminal and a power source Input terminal
The signal input terminal is connected to a signal output interface of the control box, and the signal output terminal is connected to a signal input interface of the display device, and the bus receives the signal output by the control box through the signal input terminal, and transmits the signal to the signal output terminal through the signal output terminal Display device
The power input terminal is connected to a power output interface of the control box, and the power output terminal is connected to a power interface of the display device. When the control box is connected to a power source, the power input terminal receives power from the power source and passes through the power output terminal. Transfer to the display device. The bus of claim 1, wherein the signal output terminal and the signal input terminal of the bus transmit signals by using an HDMI signal transmission standard.