WO2015100920A1 - 超高清显示装置及视频信号转换方法 - Google Patents
超高清显示装置及视频信号转换方法 Download PDFInfo
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- WO2015100920A1 WO2015100920A1 PCT/CN2014/078024 CN2014078024W WO2015100920A1 WO 2015100920 A1 WO2015100920 A1 WO 2015100920A1 CN 2014078024 W CN2014078024 W CN 2014078024W WO 2015100920 A1 WO2015100920 A1 WO 2015100920A1
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- Prior art keywords
- signal
- video signal
- ultra
- high definition
- module
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 95
- 238000000034 method Methods 0.000 title claims abstract description 33
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000011664 signaling Effects 0.000 description 2
- 230000001131 transforming effect Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
-
- 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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1407—General aspects irrespective of display type, e.g. determination of decimal point position, display with fixed or driving decimal point, suppression of non-significant zeros
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
- H04N21/440218—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display by transcoding between formats or standards, e.g. from MPEG-2 to MPEG-4
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/38—Transmitter circuitry for the transmission of television signals according to analogue transmission standards
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
- H04N7/0125—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level one of the standards being a high definition standard
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2340/00—Aspects of display data processing
- G09G2340/04—Changes in size, position or resolution of an image
- G09G2340/0407—Resolution change, inclusive of the use of different resolutions for different screen areas
Definitions
- Embodiments of the present invention relate to display technologies, and in particular, to an ultra high definition display device and a video signal conversion method. Background technique
- UHD Ultra High Definition
- FHD Full Define, Ultra High Definition
- the UHD display device currently available can only receive ultra-high definition signals with a resolution of 3840 X 2160, but most of the media currently provide video signals with full HD signals with a resolution of 1920 ⁇ 1080, which makes it possible to use UHD display devices.
- the scope of application is limited. Summary of the invention
- Embodiments of the present invention provide an ultra high definition display device and a video signal conversion method capable of receiving a full HD signal, and capable of converting a full HD signal into an ultra high definition screen display signal output through control of the control module.
- an ultra high definition display device including: a first input port, configured to input a first signal;
- control module configured to generate a first enable signal
- a first receiving module configured to receive a first signal from the first input port according to the first enable signal, and generate a second signal after performing format conversion, where the first signal and the second signal are full HD signals ;
- a resolution conversion module configured to perform resolution conversion on the second signal to generate a third signal, where the third signal is an ultra high definition signal
- a sending module configured to convert the third signal into an ultra high definition screen display signal and output the screen display Signal.
- the control module further generates a second enable signal
- the ultra high definition display device further includes: a second input port, configured to input a fourth signal; and a second receiving module, And receiving a fourth signal from the second input port according to the second enable signal, and performing a format conversion to generate a fifth signal, where the fourth signal and the fifth signal are ultra high definition signals.
- the transmitting module is further configured to convert the fifth signal into an ultra high definition on-screen signal and output the on-screen signal.
- the first receiving module includes a first format conversion submodule for converting the first signal into the second signal in an RGB format; and the second receiving module includes And a second format transform submodule, configured to convert the fourth signal into the fifth signal in an RGB format.
- the transmitting module includes an up-conversion sub-module, configured to convert the received third signal or the fifth signal into a sixth signal having a frequency of 120 Hz; and a third format conversion And a submodule, configured to convert the sixth signal into the on-screen signal of a high speed serial format.
- the ultra high definition display device further includes: a storage module; the first receiving module further includes a first writing unit, configured to write the second signal into the storage module; and the second receiving module further includes a second a writing unit, configured to write the fifth signal to the storage module.
- the resolution conversion module further includes: a first reading unit configured to acquire the second signal from the storage module; and a third writing unit to use the third Writing a signal to the storage module; and the sending module further includes a second reading unit, configured to acquire the third signal or the fifth signal from the storage module.
- the ultra high definition display device further includes an ultra high definition display, and the ultra high definition display is connected to an output port of the sending module to display the on-screen signal.
- a video signal conversion method including the following steps:
- the frequency signal is an ultra high definition signal
- the video signal conversion method further includes the following steps:
- the format of the second video signal and the fifth video signal is an RGB format
- the step (3) includes: converting the third video signal into a sixth frequency having a frequency of 120 Hz a video signal; converting the sixth video signal to the on-screen signal in a high speed serial format.
- the step (5) includes: converting the fifth video signal into a seventh video signal having a frequency of 120 Hz; converting the seventh video signal into the high-speed serial format Screen display signal.
- the step (1) and the step (2) further include: writing the second video signal into a memory; reading the second video signal from the memory
- the step (2) and the step (3) further include: writing the third video signal into the memory; reading the third video signal from the memory; and the step (4) and the step (5) further comprising: writing the fifth video signal to the memory; reading the fifth video signal from the memory.
- the full HD signal input to the first input port can be converted and the ultra high definition screen can be output by using the first receiving module, the resolution conversion module, and the transmitting module.
- the signal is displayed.
- the second receiving module and the transmitting module the ultra high definition signal input to the second input port can be converted and the ultra high definition screen display signal can be output.
- the device can receive both full HD signals and ultra high definition signals, and the control signals can be converted into ultra high definition screen display signals by the control module.
- FIG. 3 1 is a schematic block diagram of an ultra high definition display device according to an exemplary embodiment of the present invention
- FIG. 2 is a schematic block diagram showing an exemplary embodiment of a further improved embodiment of the ultra high definition display device of FIG. 1;
- FIG. 3 is a flowchart of a video signal conversion method according to an exemplary embodiment of the present invention.
- Fig. 4 is a flow chart showing an exemplary embodiment of a further improved video signal conversion method shown in Fig. 3. detailed description
- an ultra high definition display device includes: a first input port for inputting a first signal; a control module for generating a first enable signal; and a first receiving module, configured to: Receiving a first signal from the first input port according to the first enable signal, and generating a second signal after the format conversion, where the first signal and the second signal are full HD signals; Performing resolution conversion on the second signal to generate a third signal, wherein the third signal is an ultra high definition signal; and a sending module, configured to convert the third signal into an ultra high definition screen display signal and output the The screen displays the signal.
- the ultra high definition display device of the embodiment of the present invention includes a first input port IN1 for inputting a first signal S1, and a control module 15 for generating a first enable signal EN1.
- the first receiving module 11 Connected to the first input port IN1, for receiving from the first input according to the first enable signal EN1
- the first signal SI of the port INI is converted into a second signal S2, and the first signal S1 and the second signal S2 are full HD signals.
- the resolution conversion module 14 is configured to perform the received second signal S2.
- Resolution conversion generating a third signal S 3 , the third signal S 3 is an ultra high definition signal; and a transmitting module 12 connected to the output port OUT for converting the third signal S 3 into the on-screen signal SX and from the output port OUT The output screen displays the signal SX.
- the control module 15 also generates a second enable signal EN2.
- the ultra high definition display device further includes: a second input port IN2 for inputting the fourth signal S4; and a second receiving module 13 for receiving the fourth signal S4 from the second input port IN2 according to the second enable signal EN2, After the format conversion, a fifth signal S5 is generated, and the fourth signal and the fifth signal are ultra high definition signals.
- the transmitting module 12 is further configured to convert the fifth signal S5 into the ultra high definition display signal SX and output the on-screen signal SX from the output port OUT.
- control module 15 can detect whether there is a signal input on the first input port IN1 and the second input port IN2, and send a first command to the first receiving module 11 when there is a signal input on the first input port IN1.
- the enable signal EN1 transmits a second enable signal EN2 to the second receiving module 13 when there is a signal input on the second input port IN2.
- the full HD signal input to the first input port can be converted and the ultra high definition screen display signal can be output by using the first receiving module, the resolution conversion module, and the transmitting module;
- the second receiving module and the transmitting module By using the second receiving module and the transmitting module, the ultra high definition signal input to the second input port can be realized and the ultra high definition screen display signal can be output, so that the device can receive both the ultra high definition signal and the full high definition signal, and can be controlled by The control of the module can realize the conversion of these two signals into ultra-high-definition screen display signal output.
- control module can receive the full HD signal from the first port by transmitting the first enable signal to the first receiving module, or receive the super port from the second port by sending the second enable signal to the second receiving module. High-definition signal, thus enabling automatic switching of full HD signals and ultra high definition signals.
- the ultra high definition display device shown in Fig. 2 is an improved embodiment in which the module structure is refined based on the ultra high definition display device shown in Fig. 1.
- the first signal S1 (full HD signal) received through the first input port IN1 is usually DVI (Digital Visual Interface, Digital Visual Interface) signal.
- DVI ⁇ J ⁇ is a basic electrical connection to the TMDS (Transmitted Differential Differential Signaling) electronic protocol, so the DVI signal has the advantages of high speed and low distortion.
- the first signal S1 needs to be decoded before performing resolution conversion, that is, format conversion, and the format is usually converted into an RGB format for subsequent data processing. Therefore, in the ultra high definition display device shown in FIG. 2, the first receiving module 11 may include a first format conversion submodule 111 for converting the first signal S1 into the second signal S2 in the RGB format.
- the fourth signal S4 (Ultra High Definition Signal) received through the second input port IN2 is LVDS (Low-Voltage Differential Signaling), which is a low noise and low power consumption signal
- the fourth signal The S4 needs to be decoded before being converted into the on-screen signal SX, that is, the format conversion is performed, and the format is usually converted into the RGB format, so as to facilitate the subsequent data processing. Therefore, the ultra-high definition display device provided by the embodiment of the present invention can be As shown in FIG. 2, the second receiving module 13 may include a second format conversion sub-module 131 for converting the fourth signal S4 into a fifth signal S5 in the RGB format.
- the LVDS and DVI signals are all serial signals, and the clock frequency is 60 Hz.
- the clock frequencies of the second signal S2 and the fifth signal S5 do not change.
- the frequency of the formed third signal S3 does not change. Since the ultra-high definition signal is required to have an ultra-high definition display with a frequency of 120 Hz, it is necessary to up-convert the converted 60 Hz third signal S3 or the 60 Hz fifth signal S5. Therefore, in the ultra high definition display device shown in FIG. 2, the sending module 12 may include: an up frequency sub-module 121, configured to convert the received third signal or fifth signal into a sixth signal S6 having a frequency of 120 Hz.
- the sending module 12 may further include a third format conversion sub-module 122, which is used for The six-signal S6 is converted into an on-screen signal SX in a high-speed serial format.
- a memory module 21 such as DDR SDRAM (Double Rate Synchronous Dynamic Random Access Memory) can be disposed in the ultra high definition display device according to an embodiment of the present invention.
- the first receiving module 11 may further include a first writing unit 112 for writing the second signal S2 to the storage module 21; the second receiving module 13 may further include a second writing unit 132 for using the fifth signal.
- S5 is written to the storage module 21.
- the resolution conversion module 14 may further include: a first reading unit 141 for acquiring the second signal S2 from the storage module 21; and a third writing unit 142 for converting the third signal converted by the second signal S2.
- S3 is written to the storage module 21.
- the sending module 12 can also include a second reading unit 122 for acquiring the third signal S3 or the fifth signal S5 from the storage module 21.
- the first signal S1 input to the first receiving module 11 is format converted, and the second signal S2 is generated, and is written by the first writing unit 112 to the storage module 21, in the resolution conversion module 14.
- the first reading unit 141 reads the second signal S2 from the memory 21, performs resolution conversion processing, generates a third signal S3, and the third writing unit 142 writes the third signal S3 into the memory 21, and the transmitting module 12
- the second reading unit 122 reads out the third signal S2 from the memory 21 and performs up-conversion and format conversion processing.
- a fifth signal S5 is generated, written by the second writing unit 132 into the memory 21, and the second reading unit 122 in the transmitting module 12 is slaved from the memory. After the fifth signal S5 is read out in 21, the up-conversion and format conversion processing is performed.
- the data processed by each module can be placed in the memory 21 for subsequent modules to read and use from the memory 21 when needed, so that even if the processing speeds of the modules are different, they will not mutually The impact is eliminated, the waiting time of the module is eliminated, and the processing efficiency of the module is fully improved.
- the ultra high definition display device described above may further include an ultra high definition display 22 connected to the output port OUT for displaying signals on the display screen, thereby realizing ultra high definition display.
- a video signal conversion method as shown in FIG. 3, the method comprising the following steps.
- the received first video signal is a full HD signal
- format the first video signal Transforming to generate a second video signal, wherein the second video signal is a full HD signal;
- the method further includes the following steps:
- the video signal conversion method provided by the embodiment of the present invention can be performed by the ultra-high definition display device shown in FIG.
- the conversion method when receiving the full HD signal, the conversion can form an ultra-high-definition screen display signal output; when the ultra-high definition signal is received, the conversion can form an ultra-high-definition screen display signal output, so that the method can be realized Ultra-high-definition and full-HD signals are separately converted to realize ultra-high-definition display, thereby overcoming the limitation of the limited use range of the ultra-high-definition display device in the prior art, and automatic switching between the two signals is possible.
- the conversion method is as shown in FIG. 4, and includes the following steps.
- the received first video signal is a full HD signal
- perform format conversion on the first video signal to generate a second video signal in an RGB format, where the second video signal is a full HD signal.
- the video signal conversion method according to the embodiment of the present invention further includes the following steps:
- the received fourth video signal is an ultra high definition signal
- format the fourth video signal Transforming to generate a fifth video signal in an RGB format, the fifth video signal being an ultra high definition signal;
- the video signal conversion method shown in FIG. 4 is further refined based on the conversion method shown in FIG. 3, in which steps of RGB format conversion, up-conversion, high-speed serial format conversion, and read and write memory are added, and these steps are added.
- steps of RGB format conversion, up-conversion, high-speed serial format conversion, and read and write memory are added, and these steps are added.
- the conversion when receiving a full HD signal, the conversion can form an ultra high definition screen display signal output; when receiving the ultra high definition signal, the conversion can form an ultra high definition screen display signal output, so that the The method can realize the conversion of the ultra-high definition and full high-definition signals respectively to realize ultra-high definition display, and the automatic switching between the two signals can be performed.
- the video signal conversion method described above further includes the step 414: displaying the display signal so that the signal can finally be displayed in the display screen.
- the ultra high definition display device includes: an input port for inputting the first video signal; and a control module, configured to identify whether the first video signal is a full HD signal or an ultra high definition signal, And generating an enable signal; the receiving module, when the control module recognizes that the first video signal is a full HD signal, the receiving module receives the first video signal from the input port according to the enable signal, The second video signal is generated after the format conversion; the resolution conversion module is configured to perform resolution conversion on the second video signal to generate a third video signal, where the third signal is an ultra high definition signal; and a sending module, Converting the third signal into an ultra high definition on-screen signal and outputting the on-screen signal.
- the receiving module receives the first video signal from the input port according to the enable signal, and generates a format after the format conversion. a fourth video signal; the sending module converts the fourth signal into an ultra high definition screen display signal and outputs the screen display signal.
- the control module recognizes whether the first video signal input from the input port is a full HD signal or an ultra high definition signal.
- the conversion can form an ultra high definition screen display signal output; when the received first video signal is an ultra high definition signal, the conversion can form an ultra high definition screen display signal.
- the output enables the ultra-high definition display device to convert the ultra-high definition and full high-definition signals separately for ultra-high definition display, and automatic switching between the two signals.
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Priority Applications (1)
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US14/418,413 US9473726B2 (en) | 2013-12-31 | 2014-05-21 | Ultra high definition display device and video signal converting method |
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CN201310750548.3A CN103702060B (zh) | 2013-12-31 | 2013-12-31 | 超高清显示装置及视频信号转换方法 |
CN201310750548.3 | 2013-12-31 |
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CN106993150A (zh) * | 2017-04-14 | 2017-07-28 | 深圳市唯奥视讯技术有限公司 | 一种兼容超高清视频输入的视频图像处理系统及方法 |
CN115278347A (zh) * | 2022-06-23 | 2022-11-01 | 华东师范大学 | 一种8k视频的超分辨率处理与显示平台 |
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CN103702060B (zh) | 2013-12-31 | 2016-03-09 | 京东方科技集团股份有限公司 | 超高清显示装置及视频信号转换方法 |
CN104065944B (zh) | 2014-06-12 | 2016-08-17 | 京东方科技集团股份有限公司 | 一种超高清三维转换装置及三维显示系统 |
CN104683713A (zh) | 2015-03-20 | 2015-06-03 | 北京京东方多媒体科技有限公司 | 视频信号无线发射器、接收器、传输系统和显示系统 |
CN104767910A (zh) * | 2015-04-27 | 2015-07-08 | 京东方科技集团股份有限公司 | 视频图像拼接系统及方法 |
CN105704407B (zh) | 2016-01-29 | 2017-12-22 | 京东方科技集团股份有限公司 | 一种显示处理装置、设备及方法 |
JP6307655B1 (ja) * | 2017-10-23 | 2018-04-04 | イメージニクス株式会社 | 映像信号処理装置 |
CN110166792B (zh) * | 2018-02-14 | 2021-10-22 | 斑马智行网络(香港)有限公司 | 图像显示方法、装置、系统和存储介质 |
CN109754771B (zh) * | 2019-03-08 | 2020-09-01 | 南昌黑鲨科技有限公司 | 图像显示系统及显示方法 |
CN110164354B (zh) * | 2019-05-24 | 2022-06-10 | 京东方科技集团股份有限公司 | 基于可编程逻辑器件的数据处理装置及其驱动方法和显示装置 |
CN114640836B (zh) * | 2020-12-15 | 2023-07-25 | 深圳市奥拓电子股份有限公司 | 视频数据映射方法、led显示控制器及led显示系统 |
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CN103702060A (zh) * | 2013-12-31 | 2014-04-02 | 京东方科技集团股份有限公司 | 超高清显示装置及视频信号转换方法 |
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CN115278347A (zh) * | 2022-06-23 | 2022-11-01 | 华东师范大学 | 一种8k视频的超分辨率处理与显示平台 |
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US9473726B2 (en) | 2016-10-18 |
CN103702060A (zh) | 2014-04-02 |
US20160021326A1 (en) | 2016-01-21 |
CN103702060B (zh) | 2016-03-09 |
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