CN212211183U - Display device for separately transmitting menu signal and video signal and television - Google Patents
Display device for separately transmitting menu signal and video signal and television Download PDFInfo
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- CN212211183U CN212211183U CN201921970105.4U CN201921970105U CN212211183U CN 212211183 U CN212211183 U CN 212211183U CN 201921970105 U CN201921970105 U CN 201921970105U CN 212211183 U CN212211183 U CN 212211183U
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Abstract
The utility model discloses a display device and TV set of menu signal and video signal separation transmission, display device includes SOC chip, image processing chip and display panel, display device is including SOC chip, image processing chip and the display panel that connects gradually, SOC chip output video image signal and OSD signal, the image processing chip carries out mixed encoding with the OSD signal after picture effect is handled to the video image signal, exports extremely the display panel shows. The utility model discloses a with menu signal and the video signal separation transmission in the current TV, reduced the pressure that MEMC handled the data, broken problem appears when having solved OSD menu and video data mixed display to the destruction of OSD signal to video image has been eliminated.
Description
Technical Field
The utility model relates to a TV technical field, in particular to display device and TV set of menu signal and video signal separation transmission.
Background
With the improvement of living standard of people, the experience of watching television is also higher, in order to meet the requirements of users, the larger the television size is, the higher the corresponding Screen resolution also reaches 8K (7680 × 4320) or even higher resolution, and in the application scene with ultrahigh resolution, if the On-Screen Display (television set menu signal) and the video signal are mixed and output for Display, the situations of poor picture quality, even broken OSD menu and the like occur, the user experience is influenced, and in the prior art, a scheme for improving the resolution of OSD exists, but the burden of a system is additionally increased, or even the system cannot be completed.
Thus, the prior art has yet to be improved and enhanced.
SUMMERY OF THE UTILITY MODEL
In view of the foregoing disadvantages of the prior art, an object of the present invention is to provide a display device and a television set for separating and transmitting menu signals and video signals, which aims to overcome the technical problem of breaking OSD menu caused by mixing and outputting OSD signals and video signals.
In order to achieve the purpose, the utility model adopts the following technical proposal:
the utility model provides a display device of menu signal and video signal separation transmission, display device includes SOC chip, image processing chip and display panel, the image processing chip is connected to the SOC chip, the image processing chip is connected display panel, the SOC chip outputs video image signal and OSD signal, the image processing chip carries out mixed encoding with the OSD signal after carrying out the image effect processing to video image signal, exports to display panel shows.
Furthermore, in the display device for separately transmitting the menu signal and the video signal, the SOC chip includes a first interface for outputting the video image signal and a second interface for outputting the OSD signal, and both the first interface and the second interface are connected to the image processing chip.
Further, in the display device for separately transmitting the menu signal and the video signal, the first interface is a VBO TX interface, and the second interface is an HDMI TX interface.
Furthermore, in the display device for separately transmitting the menu signal and the video signal, a VBO RX interface interfacing with the first interface and an HDMI RX interface interfacing with the second interface are disposed on the image processing chip.
Further, in the display device for separately transmitting the menu signal and the video signal, the image processing chip includes:
the image amplification module is used for improving the resolution of the picture;
the image quality adjusting module is used for adjusting the image quality;
a motion estimation and compensation module for increasing a picture refresh rate;
the coding module is used for carrying out mixed coding on the video image signal and the OSD signal after the picture refresh rate is improved;
the image quality adjusting module is sequentially connected with the image amplifying module, the motion estimation and compensation module and the coding module.
Furthermore, in the display device for separately transmitting the menu signal and the video signal, the model of the SOC chip is HI 3751.
Furthermore, in the display device for separately transmitting the menu signal and the video signal, the model of the image processing chip is NT 72318B.
Furthermore, in the display device for separately transmitting the menu signal and the video signal, the display panel is an LCD screen.
A television comprises a television body, and further comprises a display device for separating and transmitting menu signals and video signals, wherein a power module and a memory are further arranged in the television body.
Furthermore, the television set comprises a video decoding chip, and the video decoding chip is connected with a display device for separately transmitting the menu signal and the video signal.
Compared with the prior art, the utility model provides a pair of display device and TV set of menu signal and video signal separation transmission, display device includes SOC chip, image processing chip and display panel, display device is including SOC chip, image processing chip and the display panel who connects gradually, SOC chip output video image signal and OSD signal, the image processing chip carries out mixed encoding with the OSD signal after carrying out the image effect to video image signal, exports extremely display panel shows. The utility model discloses a with menu signal and the video image signal separation transmission in the current TV, reduced the pressure that MEMC handled the data, broken problem appears when having solved OSD menu and video data mixed display to the destruction of OSD signal to video image has been eliminated.
Drawings
Fig. 1 is a block diagram of a display device for separately transmitting menu signals and video signals according to the present invention;
fig. 2 is a schematic circuit diagram of a first interface of an SOC chip in a display device for separately transmitting menu signals and video signals according to the present invention;
fig. 3 is a schematic circuit diagram of a second interface of an SOC chip in a display device for separately transmitting menu signals and video signals according to the present invention;
fig. 4 is a schematic circuit diagram of a VBO RX interface of an image processing chip in a display device for separating and transmitting a menu signal and a video signal according to the present invention;
fig. 5 is a schematic circuit diagram of an HDMI RX interface of an image processing chip in a display device for separately transmitting a menu signal and a video signal according to the present invention;
fig. 6 is a signal connection diagram of the display device for separately transmitting menu signals and video signals, according to the present invention, when the SOC chip and the image processing chip transmit video image signals;
fig. 7 is a block diagram of a television according to the present invention.
Detailed Description
An object of the utility model is to provide a display device and TV set of menu signal and video signal separation transmission appear broken problem when solving OSD menu and video data mixed display to eliminate the destruction of OSD signal to video image. In order to make the objects, technical solutions and effects of the present invention clearer and clearer, the following description of the present invention will refer to the accompanying drawings and illustrate embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Please refer to fig. 1, which is a block diagram of a display device for separating and transmitting menu signals and video signals according to the present invention, the display device includes an SOC chip 100, an image processing chip 200 and a display panel 300, the SOC chip 100 is connected to the image processing chip 200, and the image processing chip is connected to the display panel 300.
The SOC chip 100 includes a first interface 110 for transmitting a video image signal and a second interface 120 for transmitting an OSD signal, and the first interface 110 and the second interface 120 are both connected to the image processing chip 200.
At present, 8K higher resolution's TV has appeared even, under this kind of super high resolution applied scene, if OSD menu and video mixed display, the condition such as the OSD menu is broken even to the not good picture quality of OSD menu can appear in calling out the OSD menu when playing the video, and then influences the user and watches experience, consequently is good selection with OSD signal and video signal separation transmission, and the utility model discloses video image signal in SOC chip 100 handles in transmitting to image processing chip 200 through first interface 110 and OSD signal through second interface 120 to realize OSD signal and video image signal separation transmission, can effectively solve the broken problem of OSD menu.
Referring to fig. 1, the first interface 110 is a VBO TX interface; the second interface is an HDMI TX interface; correspondingly, a VBO RX interface 210 interfacing with the VBO TX interface and an HDMI RX interface 220 interfacing with the HDMI TX interface are disposed on the image processing chip 200, the VBO RX interface 210 is configured to receive a video image signal transmitted by the VBO TX interface, and the HDMI RX interface 220 is configured to receive an OSD signal transmitted by the HDMI TX interface.
Further, the VBO RX interface 210 receives the video image signal transmitted from the VBO TX interface in the SOC chip, and the image amplification module (Scaler)230 in the image processing chip 200 performs resolution amplification processing on the video image signal, for example, amplifies a video image with a resolution lower than 8K to 8K, such as 720p (1280 × 720), 1080p (1920 × 1080), 4K (3840 × 2160), etc., to 8K resolution; then, the Picture Quality of the video image is adjusted by an image Quality adjusting module (PQ, Picture Quality)240, specifically including adjusting gamma curve, display contrast, brightness, color saturation, sharpness, color edge transition, noise reduction, and the like; finally, the refresh rate of the video is increased by a Motion estimation and Compensation module 250(MEMC, Motion estimation and Motion Compensation), which is generally implemented by a frame interpolation algorithm, so that the moving picture is more smooth and clear, the dynamic definition is increased, and the tailing is reduced, and the video image signal after the increase of the picture refresh rate and the OSD menu signal transmitted by the HDMI RX interface 220 are mixed and encoded by the image processing chip 200 through an encoding module 260.
Referring to fig. 1, the Display device further includes a Display Panel (Display Panel)300, connected to the image processing chip 200, for outputting the OSD signal and the video image signal after the mixing and encoding process by the encoding module 260; the OSD signal and the processed video image signal are mixed and coded by the image processing chip 200 and then output, namely, the data of the OSD signal and the processed video image signal are completely separated before the image effect processing, so that the influence of the OSD signal on the video image signal before the image effect processing is isolated, and the damage of the OSD signal on the video image is completely eliminated.
Referring to fig. 2 and 3, in an embodiment, the SOC chip 100 may be of the HI3751 type. Through the second interface HDMI TX in the HI3751 chip with OSD signal output to the rear end handle, handle video image signal output to the rear end through first interface VBO TX, also can adopt other models but have the same function's control chip certainly, the utility model discloses do not restrict to this.
Referring to fig. 4 and 5, the image processing chip 200 may be NT 72318B. An OSD signal transmission channel is established by the HDMI RX interface in the NT72318B chip and the HDMI TX interface in the HI3751 chip in a butt joint mode; the VBO RX interface is in butt joint with the VBO TX interface to establish a video image signal transmission channel, so that the separation transmission of an OSD signal and a video image signal is realized.
Further, referring to fig. 2, fig. 4 and fig. 6, fig. 6 is a connection diagram of pin signals when the SOC chip sends video image signals and pin signals when the image processing chip receives video images; the pins COMB _ TX0N, COMB _ TX0P to COMB _ TX15N and COMB _ TX15P in the SOC chip and the pins VRX _2N, VRX _2P, VRX _3N, VRX _3P, VRX _0N, VRX _0P, VRX _4N, VRX _4P, VRX _1N, VRX _1P, VRX _5N, VRX _5P, VRX _6N, VRX _6P, VRX _14N, VRX _14P, VRX _15N, VRX _15P, VRX _9N, VRX _9P, VRX _7N, VRX _7P, VRX _8N, VRX _8P, VRX _11N, VRX _11, VRX _3N, VRX _10P, VRX _3P, VRX _3, VRX _ N, VRX _3P, VRX _3, VRX _ N _3, VRX _ P, VRX _6P, VRX _3, VRX _ P, VRX _3, VRX _2, VRX _ P, VRX.
Furthermore, referring to fig. 3 and fig. 5, the HDMI _ TX0N end of the HI3751 chip is connected to the HDMITX _ CEC/GPIOPWM15_1 end of the NT72318B chip and the HRX _ a _2P end of the NT72318B chip is connected to the gpio _14/HDMIA _ RX _ PWR5V end of the chip in a one-to-one manner, so as to form an OSD signal transmission channel.
It should be understood that fig. 2-6 only show the pins and signals related to the present embodiment, and the SOC chip and the image processing chip further include other pins and signals (e.g., implementing functions of data transmission, power supply, etc.), which is prior art and not described in detail herein.
Based on foretell display device, the utility model discloses still provide a television, including TV set body 10 to and foretell menu signal and video signal separation transmission's display device, this internal power module (not marking in the picture) and the memory (not marking in the picture) of still being provided with of TV set still include video decoding chip 400.
The video decoding chip 400 is connected to the SOC chip 100, outputs a decoded video signal, transmits the video signal through the first interface 110 on the SOC chip, transmits an OSD signal to the image processing chip 200 through the second interface 120, and the image processing chip 200 performs image amplification, image quality adjustment, motion estimation and compensation on the video image data received by the VBO RX interface 210, performs hybrid coding on the video image data and the OSD signal received by the HDMI TX interface 220, and outputs the video image data and the OSD signal to the display panel 300 for display.
And simultaneously, for better understanding the utility model provides a TV set's concrete control flow as follows:
firstly, after a user turns on a television power supply, a video decoding chip in the television decodes video data and inputs the video data to an SOC chip, a VBO TX interface in the SOC chip outputs a video data signal, the user controls the television to call a menu when watching the television, and an OSD menu signal generated in the SOC chip is output by an HDMI TX interface; the VBO RX interface on an image processing chip in the television and the VBO TX interface in the SOC chip transmit video image data, the image processing chip performs image amplification, image quality adjustment, motion estimation and compensation on the video image data received by the VBO RX interface, then performs mixed coding on the video image data and an OSD menu signal received by the HDMI TX interface, and then outputs and displays the video image data on a display panel.
In a whole, by respectively establishing transmission channels of the OSD signals and the video image signals, and performing mixed coding output on the video image signals after being processed independently and the OSD signals, the problem of OSD breakage can be effectively solved, the image defect condition generated after the OSD signals are processed by the MEMC is avoided, and the burden of the MEMC processing process is reduced by transmitting the OSD signals through a single channel.
To sum up, the utility model provides a pair of display device and TV set of menu signal and video signal separation transmission, display device includes SOC chip, image processing chip and display panel, display device is including SOC chip, image processing chip and the display panel that connects gradually, SOC chip output video image signal and OSD signal, the image processing chip carries out mixed encoding with the OSD signal after carrying out the image effect to video image signal, exports extremely display panel shows. The utility model discloses a with menu signal and the video signal separation transmission in the current TV, reduced the pressure that MEMC handled the data, broken problem appears when having solved OSD menu and video data mixed display to the destruction of OSD signal to video image has been eliminated.
It should be understood that equivalent alterations and modifications can be made by those skilled in the art according to the technical solution of the present invention and the inventive concept thereof, and all such alterations and modifications should fall within the scope of the appended claims.
Claims (5)
1. A display device for separating and transmitting a menu signal and a video signal is characterized by comprising an SOC chip, an image processing chip and a display panel which are sequentially connected, wherein the SOC chip outputs the video image signal and an OSD signal, and the image processing chip performs image effect processing on the video image signal, then performs mixed coding on the video image signal and the OSD signal, and outputs the video image signal and the OSD signal to the display panel for display;
the SOC chip comprises a first interface used for outputting video image signals and a second interface used for outputting OSD signals, and the first interface and the second interface are both connected with the image processing chip;
the first interface is a VBO TX interface, and the second interface is an HDMI TX interface;
a VBO RX interface in butt joint with the first interface and an HDMI RX interface in butt joint with the second interface are arranged on the image processing chip;
the model of the SOC chip is HI3751, and the model of the image processing chip is NT 72318B;
the pins COMB _ TX0N, COMB _ TX0P to COMB _ TX15N and COMB _ TX15P in the SOC chip are connected with a pair of pins VRX _2N, VRX _2P, VRX _3N, VRX _3P, VRX _0N, VRX _0P, VRX _4N, VRX _4P, VRX _1N, VRX _1P, VRX _5N, VRX _5P, VRX _6N, VRX _6P, VRX _14N, VRX _14P, VRX _15N, VRX _15P, VRX _9N, VRX _9P, VRX _7N, VRX _7P, VRX _8N, VRX _8P, VRX _11N, VRX _11, VRX _3, VRX _10P, VRX _3, VRX _ P, VRX _6, VRX _0N, VRX _0P, VRX _0, VRX _ 3.
2. The display device according to claim 1, wherein the image processing chip comprises:
the image amplification module is used for improving the resolution of the picture;
the image quality adjusting module is used for adjusting the image quality;
a motion estimation and compensation module for increasing a picture refresh rate;
the coding module is used for carrying out mixed coding on the video image signal and the OSD signal after the picture refresh rate is improved;
the image quality adjusting module is sequentially connected with the image amplifying module, the motion estimation and compensation module and the coding module.
3. The display device for separating transmission of menu signals and video signals according to claim 1, wherein the display panel is an LCD screen.
4. A television set comprising a television set body, characterized by further comprising a display device for separating and transmitting the menu signal and the video signal according to any one of claims 1 to 3, wherein a power module and a memory are further arranged in the television set body.
5. The TV set according to claim 4, further comprising a video decoding chip connected to a display device for transmitting the menu signal separately from the video signal.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921970105.4U CN212211183U (en) | 2019-11-14 | 2019-11-14 | Display device for separately transmitting menu signal and video signal and television |
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| CN201921970105.4U CN212211183U (en) | 2019-11-14 | 2019-11-14 | Display device for separately transmitting menu signal and video signal and television |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114598836A (en) * | 2022-01-11 | 2022-06-07 | 凯斯泰尔通信设备(深圳)有限公司 | High-definition OSD circuit for high-definition video conference system |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114598836A (en) * | 2022-01-11 | 2022-06-07 | 凯斯泰尔通信设备(深圳)有限公司 | High-definition OSD circuit for high-definition video conference system |
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