CN112383727A - Device and method for realizing display screen compatibility of flat-panel television - Google Patents
Device and method for realizing display screen compatibility of flat-panel television Download PDFInfo
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- CN112383727A CN112383727A CN202011207058.5A CN202011207058A CN112383727A CN 112383727 A CN112383727 A CN 112383727A CN 202011207058 A CN202011207058 A CN 202011207058A CN 112383727 A CN112383727 A CN 112383727A
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000006243 chemical reaction Methods 0.000 claims abstract description 27
- 238000004891 communication Methods 0.000 claims description 46
- 238000012545 processing Methods 0.000 claims description 9
- 230000008054 signal transmission Effects 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 9
- 238000012827 research and development Methods 0.000 description 5
- 238000005265 energy consumption Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
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Abstract
The invention discloses a compatible device and a method for a display screen of a flat-panel television, wherein the device comprises a video signal input unit, a video signal conversion unit and a video signal output unit, wherein the video signal input unit and the video signal output unit are respectively connected with the video signal conversion unit; through setting up the control unit and a plurality of bridge circuit as video signal conversion unit, can effectively carry out the video signal conversion according to the model of display screen for the content that the display screen can play flat screen television mainboard needs to be broadcast, thereby realizes the effect of the compatible multiple display screen of flat screen television mainboard.
Description
Technical Field
The invention relates to the technical field of display screen compatibility, in particular to a display screen compatibility device and method of a flat-panel television.
Background
With the development of the television industry, the flat panel television has become the mainstream of consumption, and due to the diversity of the requirements of customers on the flat panel television, the size of the flat panel television covers various specifications such as 19 inches to 58 inches, the display screen is an important component of the flat panel television, different watching effects can be realized through different display screens, and the use experience of users can be effectively improved.
However, the display screen used by each television manufacturer includes display screens of dozens of specifications and models of other different manufacturers, because the formats of input signal signals of the display screens are different, the display screens of different manufacturers and different models cannot be commonly used, that is, the flat panel television mainboard of one model can only use one or limited display screens, if the display screens of different manufacturers need to be replaced in the product research and development process, once the display screens cannot be commonly used, the time of at least two weeks is delayed to typeset and assemble the mainboard again, the research and development and the test progress of the product are directly influenced, and the problem that the display screens cannot be commonly used also brings great inconvenience to the product maintenance stage.
Disclosure of Invention
The invention aims to provide a device and a method for realizing compatibility of a display screen of a flat-panel television, which solve the problem that the conventional flat-panel television mainboard cannot be compatible with display screens of various models.
The invention is realized by the following technical scheme:
the utility model provides a compatible device of flat screen television display screen, includes video signal input unit, video signal conversion unit and video signal output unit, video signal input unit with video signal output unit respectively with video signal conversion unit connects, video signal input unit is used for being connected with the flat screen television mainboard, video signal output unit is used for being connected with the display screen, video signal conversion unit includes control unit and a plurality of bridge circuit, a plurality of bridge circuit respectively with the control unit is connected, the control unit is used for controlling a plurality of bridge circuit, bridge circuit is used for converting video input signal.
As a further alternative of the display screen compatible device of the flat-panel television, the bridge circuit includes a RBG to MIPI bridge circuit, an LVDS to MIPI bridge circuit, a RBG to LVDS bridge circuit, an LVDS to DSI bridge circuit, and a DSI to RBG bridge circuit.
As a further alternative of the compatible device for the display screen of the flat panel television, the compatible device further comprises a video signal capacity compatible unit, the video signal capacity compatible unit is used for controlling the playing area of the display screen, the video signal capacity compatible unit comprises a processing unit and a driving unit, the processing unit is used for calculating the capacity information of the converted video signal, and the driving unit is used for controlling an LED light-emitting display circuit of the display screen.
As a further alternative of the device compatible with the display screen of the flat panel television, the flat panel television main board and the display screen perform video signal transmission with the device compatible with the display screen of the flat panel television through a wireless communication unit, and the wireless communication unit includes at least one communication module of a WIFI communication module, a bluetooth communication module, an ethernet communication module and a 4G network communication module.
As a further alternative of the flat panel television display screen compatible device, the control unit comprises an STM32L476Rx chip and its peripheral circuits, and the processing unit adopts an FPGA chip.
A method for realizing compatibility of a display screen of a flat-panel television comprises the following steps:
step S1, connecting the flat-panel TV mainboard with any one of the flat-panel TV display screen compatible devices, and sending the video signal to be played to the flat-panel TV display screen compatible device;
step S2, the control unit in the compatible device of the flat-panel television display screen calls the bridge circuit according to the model of the display screen needing to be connected, and the bridge circuit converts the received video signal into the video signal which can be played by the display screen;
and step S3, the compatible device of the flat-panel television display screen sends the converted video signal to the display screen, and the display screen plays the video signal according to the received video signal.
As a further alternative of the display screen compatibility method of the flat panel television, the bridge circuit includes a RBG to MIPI bridge circuit, an LVDS to MIPI bridge circuit, a RBG to LVDS bridge circuit, an LVDS to DSI bridge circuit, and a DSI to RBG bridge circuit.
As a further alternative of the method for compatible display screen of flat panel television, after converting the video signal, before sending the converted video signal to the display screen, the method further comprises the following steps:
and carrying out video signal capacity information statistics on the converted video signals, and controlling an LED light-emitting display circuit of the display screen according to a statistical result so as to realize the control of the playing area.
As a further alternative of the method for compatible display screens of flat-panel televisions, the flat-panel television main board and the display screen perform video signal transmission with the device compatible with display screens of flat-panel televisions through a wireless communication unit, where the wireless communication unit includes at least one communication module of a WIFI communication module, a bluetooth communication module, an ethernet communication module, and a 4G network communication module.
The invention has the beneficial effects that: through setting up the control unit and a plurality of bridge circuit as video signal conversion unit, can effectively carry out the video signal conversion according to the model of display screen for the content that the display screen can play flat screen television mainboard needs to be broadcast, thereby realizes the effect of the compatible multiple display screen of flat screen television mainboard, improves research and development speed, and reduces the degree of difficulty of maintenance.
Drawings
FIG. 1 is a schematic diagram of a display screen compatible device of a flat panel TV set according to the present invention;
FIG. 2 is a flow chart illustrating a method for compatibility of a flat panel TV display screen according to the present invention;
fig. 3 is a circuit diagram of the control unit of the present invention.
Detailed Description
The invention will be described in detail with reference to the drawings and specific embodiments, which are illustrative of the invention and are not to be construed as limiting the invention.
As shown in fig. 1-3, a device compatible with a display screen of a flat-panel television comprises a video signal input unit, a video signal conversion unit and a video signal output unit, wherein the video signal input unit and the video signal output unit are respectively connected with the video signal conversion unit, the video signal input unit is used for being connected with a main board of the flat-panel television, the video signal output unit is used for being connected with the display screen, the video signal conversion unit comprises a control unit and a plurality of bridge circuits, the plurality of bridge circuits are respectively connected with the control unit, the control unit is used for controlling the plurality of bridge circuits, and the bridge circuits are used for converting video input signals.
In this embodiment, through setting up the control unit and a plurality of bridge circuit as video signal conversion unit, can effectively carry out the video signal conversion according to the model of display screen for the content that the display screen can play flat screen television mainboard needs to be broadcast, thereby realizes the effect of the compatible multiple display screen of flat screen television mainboard, improves research and development speed, and reduces the degree of difficulty of maintenance.
It should be noted that, a plurality of interfaces are integrated on the control unit, the bridge circuit is connected with the control unit through the interfaces, when the bridge circuit needs to be called, the calling can be realized by connecting the interfaces connected with the bridge circuit, and in addition, the bridge circuits can be matched with each other to realize the effect of signal conversion.
Preferably, the bridge circuit includes a RBG to MIPI bridge circuit, an LVDS to MIPI bridge circuit, a RBG to LVDS bridge circuit, an LVDS to DSI bridge circuit, and a DSI to RBG bridge circuit.
In this embodiment, after receiving a video signal of a flat panel television motherboard, analyzing a model of a display screen to be connected, analyzing a format of the received video signal, and calling a bridge circuit according to two analysis results, thereby implementing accurate signal conversion and ensuring that the display screen can be played, specifically, if it is detected that the model of the display screen to be connected can be played in an LVDS signal, and then it is detected that the format of the received video signal is RBG, calling the RBG to LVDS bridge circuit, thereby implementing conversion of the video signal; it should be noted that, if there is no directly suitable bridge circuit, a plurality of bridge circuits can be used in cooperation, so as to achieve the effect of signal conversion.
Preferably, the compatible device further includes a video signal capacity compatible unit, the video signal capacity compatible unit is configured to control a playing area of the display screen, the video signal capacity compatible unit includes a processing unit and a driving unit, the processing unit is configured to calculate capacity information of the converted video signal, and the driving unit is configured to control an LED light emitting display circuit of the display screen.
In the embodiment, by arranging the video signal capacity compatible unit, the playing area of the display screen can be controlled according to the capacity information of the video signal, so that the situation that the display screen cannot display all the information due to excessive capacity information is effectively prevented, and the situation that the energy consumption is too large can be avoided; specifically, if the detected capacity information of the video signal is small, the number of the LED light-emitting display circuits is reduced through the driving unit, so that the display screen can play the information of the video signal and reduce unnecessary energy consumption.
Preferably, the flat panel television main board and the display screen are in video signal transmission with the flat panel television display screen compatible device through a wireless communication unit, and the wireless communication unit comprises at least one communication module of a WIFI communication module, a bluetooth communication module, an ethernet communication module and a 4G network communication module.
In the embodiment, the wireless communication unit is adopted for communication, so that the situation that the interfaces are incompatible can be effectively prevented, and the compatibility of the compatible device is further improved.
Preferably, the control unit comprises an STM32L476Rx chip and peripheral circuits thereof, and the processing unit adopts an FPGA chip.
A method for realizing compatibility of a display screen of a flat-panel television comprises the following steps:
step S1, connecting the flat-panel TV mainboard with any one of the flat-panel TV display screen compatible devices, and sending the video signal to be played to the flat-panel TV display screen compatible device;
step S2, the control unit in the compatible device of the flat-panel television display screen calls the bridge circuit according to the model of the display screen needing to be connected, and the bridge circuit converts the received video signal into the video signal which can be played by the display screen;
and step S3, the compatible device of the flat-panel television display screen sends the converted video signal to the display screen, and the display screen plays the video signal according to the received video signal.
In this embodiment, through the control unit and a plurality of bridge circuit as video signal conversion unit, can effectively carry out the video signal conversion according to the model of display screen for the content that the display screen can play flat screen television mainboard needs to be broadcast, thereby realizes the effect of the compatible multiple display screen of flat screen television mainboard, improves research and development speed, and reduces the degree of difficulty of maintenance.
It should be noted that, a plurality of interfaces are integrated on the control unit, the bridge circuit is connected with the control unit through the interfaces, when the bridge circuit needs to be called, the calling can be realized by connecting the interfaces connected with the bridge circuit, and in addition, the bridge circuits can be matched with each other to realize the effect of signal conversion.
Preferably, the bridge circuit includes a RBG to MIPI bridge circuit, an LVDS to MIPI bridge circuit, a RBG to LVDS bridge circuit, an LVDS to DSI bridge circuit, and a DSI to RBG bridge circuit.
In this embodiment, after receiving a video signal of a flat panel television motherboard, analyzing a model of a display screen to be connected, analyzing a format of the received video signal, and calling a bridge circuit according to two analysis results, thereby implementing accurate signal conversion and ensuring that the display screen can be played, specifically, if it is detected that the model of the display screen to be connected can be played in an LVDS signal, and then it is detected that the format of the received video signal is RBG, calling the RBG to LVDS bridge circuit, thereby implementing conversion of the video signal; it should be noted that, if there is no directly suitable bridge circuit, a plurality of bridge circuits can be used in cooperation, so as to achieve the effect of signal conversion.
Preferably, after the video signal is converted and before the converted video signal is sent to a display screen, the method further includes the following steps:
and carrying out video signal capacity information statistics on the converted video signals, and controlling an LED light-emitting display circuit of the display screen according to a statistical result so as to realize the control of the playing area.
In the embodiment, the control of the playing area of the display screen can be performed according to the capacity information of the video signal by performing video signal capacity information statistics on the converted video signal, so that the situation that the display screen cannot display all the information due to excessive capacity information is effectively prevented, and the situation that the energy consumption is too large can be avoided; specifically, if the detected capacity information of the video signal is small, the number of the LED light-emitting display circuits is reduced through the driving unit, so that the display screen can play the information of the video signal and reduce unnecessary energy consumption.
Preferably, the flat panel television main board and the display screen are in video signal transmission with the flat panel television display screen compatible device through a wireless communication unit, and the wireless communication unit comprises at least one communication module of a WIFI communication module, a bluetooth communication module, an ethernet communication module and a 4G network communication module.
In the embodiment, the wireless communication unit is adopted for communication, so that the situation that the interfaces are incompatible can be effectively prevented, and the compatibility of the compatible device is further improved.
The technical solutions provided by the embodiments of the present invention are described in detail above, and the principles and embodiments of the present invention are explained herein by using specific examples, and the descriptions of the embodiments are only used to help understanding the principles of the embodiments of the present invention; meanwhile, for a person skilled in the art, according to the embodiments of the present invention, there may be variations in the specific implementation manners and application ranges, and in summary, the content of the present description should not be construed as a limitation to the present invention.
Claims (9)
1. A compatible device of flat-panel television display screen is characterized in that: including video signal input unit, video signal conversion unit and video signal output unit, video signal input unit with video signal output unit respectively with video signal conversion unit connects, video signal input unit is used for being connected with the flat screen television mainboard, video signal output unit is used for being connected with the display screen, video signal conversion unit includes control unit and a plurality of bridge circuit, a plurality of bridge circuit respectively with the control unit connects, the control unit is used for controlling a plurality of bridge circuit, bridge circuit is used for converting video input signal.
2. The device of claim 1, wherein: the bridge circuit comprises a RBG-to-MIPI bridge circuit, an LVDS-to-MIPI bridge circuit, a RBG-to-LVDS bridge circuit, an LVDS-to-DSI bridge circuit and a DSI-to-RBG bridge circuit.
3. A flat-panel television display screen compatible device according to claim 1 or 2, characterized in that: the compatible device further comprises a video signal capacity compatible unit, the video signal capacity compatible unit is used for controlling the playing area of the display screen, the video signal capacity compatible unit comprises a processing unit and a driving unit, the processing unit is used for calculating the capacity information of the converted video signal, and the driving unit is used for controlling an LED light-emitting display circuit of the display screen.
4. A flat panel television display screen compatible device according to claim 3, characterized in that: the flat-panel television mainboard and the display screen are in video signal transmission with the flat-panel television display screen compatible device through a wireless communication unit, and the wireless communication unit comprises at least one communication module of a WIFI communication module, a Bluetooth communication module, an Ethernet communication module and a 4G network communication module.
5. The device of claim 4, wherein: the control unit comprises an STM32L476Rx chip and peripheral circuits thereof, and the processing unit adopts an FPGA chip.
6. A method for realizing compatibility of a display screen of a flat-panel television is characterized by comprising the following steps: the method comprises the following steps:
step S1, connecting the flat tv motherboard with the display compatible device of any one of the above claims 1-5, and sending the video signal to be played to the display compatible device of the flat tv;
step S2, the control unit in the compatible device of the flat-panel television display screen calls the bridge circuit according to the model of the display screen needing to be connected, and the bridge circuit converts the received video signal into the video signal which can be played by the display screen;
and step S3, the compatible device of the flat-panel television display screen sends the converted video signal to the display screen, and the display screen plays the video signal according to the received video signal.
7. The method of claim 6, wherein the method comprises the following steps: the bridge circuit comprises a RBG-to-MIPI bridge circuit, an LVDS-to-MIPI bridge circuit, a RBG-to-LVDS bridge circuit, an LVDS-to-DSI bridge circuit and a DSI-to-RBG bridge circuit.
8. The method of claim 6 or 7, wherein the method comprises the following steps: after the video signal is converted and before the converted video signal is sent to a display screen, the method further comprises the following steps:
and carrying out video signal capacity information statistics on the converted video signals, and controlling an LED light-emitting display circuit of the display screen according to a statistical result so as to realize the control of the playing area.
9. The method of claim 8, wherein the method comprises the following steps: the flat-panel television mainboard and the display screen are in video signal transmission with the flat-panel television display screen compatible device through a wireless communication unit, and the wireless communication unit comprises at least one communication module of a WIFI communication module, a Bluetooth communication module, an Ethernet communication module and a 4G network communication module.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011207058.5A CN112383727A (en) | 2020-11-03 | 2020-11-03 | Device and method for realizing display screen compatibility of flat-panel television |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011207058.5A CN112383727A (en) | 2020-11-03 | 2020-11-03 | Device and method for realizing display screen compatibility of flat-panel television |
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Cited By (1)
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| CN115497408A (en) * | 2022-09-05 | 2022-12-20 | 深圳市晶深科技有限公司 | Bridge circuit and display device |
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Application publication date: 20210219 |