CN117834795A - Display screen supporting simultaneous display of multiple HDMI2.0 signal pictures - Google Patents
Display screen supporting simultaneous display of multiple HDMI2.0 signal pictures Download PDFInfo
- Publication number
- CN117834795A CN117834795A CN202311847044.3A CN202311847044A CN117834795A CN 117834795 A CN117834795 A CN 117834795A CN 202311847044 A CN202311847044 A CN 202311847044A CN 117834795 A CN117834795 A CN 117834795A
- Authority
- CN
- China
- Prior art keywords
- signal
- video
- display screen
- display
- pictures
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 32
- 238000006243 chemical reaction Methods 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 230000011218 segmentation Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
Abstract
The invention provides a display screen supporting simultaneous display of multiple HDMI2.0 signal pictures, which comprises a control main board and a liquid crystal display screen. The control main board comprises a video processing chip and a video conversion chip, wherein the video processing chip is provided with HDMI2.0 signal interfaces and DP1.2 signal interfaces, each HDMI2.0 signal interface is respectively connected with an HDMI2.0 signal video source, and each DP1.2 signal interface is respectively connected with an HDMI2.0 signal video source through a video conversion chip. And the liquid crystal display screen simultaneously displays one or more video pictures according to the received picture display signals. The display screen is display equipment integrating the control main board and the liquid crystal display screen, and has the advantages of low cost, reduced on-site wiring, strong anti-interference of digital video signals, high picture quality and simultaneous viewing of pictures of a plurality of HDMI2.0 video sources.
Description
Technical Field
The invention belongs to the field of special display, relates to a multi-channel video display technology, and particularly relates to a display screen supporting simultaneous display of multi-channel HDMI2.0 signal pictures.
Background
Currently existing display devices can only support full-screen playing of a single-channel video, for example: in some application scenarios, a single video source can generally correspond to only one display device; when a user needs to view another video source playing interface, the user needs to switch video channel selection, and the display device cannot meet the requirement that the user views multiple video sources at the same time.
Disclosure of Invention
In order to solve the technical problem that the existing display equipment cannot realize simultaneous display of multiple paths of video sources, the invention discloses a display screen supporting simultaneous display of multiple paths of HDMI2.0 signal pictures.
The technical scheme for realizing the aim of the invention is as follows: a display screen supporting simultaneous display of multiple HDMI2.0 signal pictures comprises a control main board and a liquid crystal display screen.
The control main board comprises a video processing chip and a video conversion chip, wherein the video processing chip is provided with HDMI2.0 signal interfaces and DP1.2 signal interfaces, each HDMI2.0 signal interface is respectively connected with an HDMI2.0 signal video source, and each DP1.2 signal interface is respectively connected with an HDMI2.0 signal video source through one video conversion chip.
The video conversion chip is used for converting the HDMI2.0 signal input by the HDMI2.0 signal video source into a DP1.2 signal, and the video processing chip processes the input HDMI2.0 signal and/or DP1.2 signal according to the video display quantity requirement of a user to obtain an output picture display signal to the liquid crystal display.
And the liquid crystal display screen simultaneously displays one or more video pictures according to the received picture display signals.
Further, the HDMI2.0 signal interface and the DP1.2 signal interface are respectively two.
Further, the picture display signal is two-screen video picture simultaneous display or four-screen video picture simultaneous display.
Further, the signal type of the picture display signal is an eDP signal or a V-by-One signal.
Further, the model of the video processing chip is RTD2797UPM.
Further, the video conversion chip is of the type LT6711A.
In an improved embodiment, the display screen supporting simultaneous display of multiple HDMI2.0 signal frames further includes a keypad, the keypad is connected to the control main board, the keypad outputs a key switch signal to the control main board according to the display number of HDMI2.0 signal frames selected by a user, and the control main board divides the frames output to the liquid crystal display screen according to the key switch signal.
In another improved embodiment, the display screen supporting simultaneous display of multiple HDMI2.0 signal frames further includes a power module, wherein an input end of the power module is connected with an external power supply, and an output end of the power module is connected with the control main board and the liquid crystal display screen.
Compared with the prior art, the beneficial effects that above-mentioned at least one technical scheme that this description embodiment adopted can reach include at least: the display screen supporting simultaneous display of multiple HDMI2.0 signal pictures is display equipment integrating a control main board and a liquid crystal display screen, and can complete HDMI2.0 signal segmentation and simultaneous display functions of multiple external video sources (for example, 4 paths) only through one control main board, and has the advantages of low cost and reduction of on-site wiring. Meanwhile, the invention uses HDMI2.0 high-definition cable to transmit external video signals, and has the characteristics of strong interference resistance and high picture quality of digital video signals. Furthermore, the display screen of the invention can display a plurality of video pictures according to the user demand, for example, when 4 signal interfaces are arranged on the video processing chip, the liquid crystal display screen of the display screen can view the pictures of 4 paths of HDMI2.0 video sources at the highest, and can meet the specific application of the user.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a display screen supporting simultaneous display of multiple HDMI2.0 signal frames in an embodiment of the present invention;
fig. 2 is a schematic diagram of simultaneously displaying 4 paths of video frames on a display interface of a liquid crystal display according to an embodiment of the present invention.
Detailed Description
Embodiments of the present application are described in detail below with reference to the accompanying drawings.
Other advantages and effects of the present application will become apparent to those skilled in the art from the present disclosure, when the following description of the embodiments is taken in conjunction with the accompanying drawings. It will be apparent that the described embodiments are only some, but not all, of the embodiments of the present application. The present application may be embodied or carried out in other specific embodiments, and the details of the present application may be modified or changed from various points of view and applications without departing from the spirit of the present application. It should be noted that the following embodiments and features of the embodiments may be combined with each other without conflict. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.
The embodiment of the invention provides a display screen supporting simultaneous display of multiple HDM I2.0 signal pictures, which can be designed by selecting a large-size 4K resolution liquid crystal module (namely a liquid crystal display screen) and can support a multiple-input 4-channel DMI2.0 video signal input display function, and the highest 4K resolution is supported; through the operation, the 4 paths of HDMI2.0 video signals can be subjected to single-channel picture display, two-screen picture segmentation display or simultaneous four-screen picture segmentation display.
The present invention is described with reference to the following examples of a display screen supporting simultaneous display of multiple HDMI2.0 signal pictures, and the display screen of the present invention includes a control main board and a liquid crystal display screen, as shown in fig. 1.
Referring to fig. 1, the resolution of the control main board is up to 3840×2160, the control main board includes a video processing chip and a video conversion chip, an HDMI2.0 signal interface and a DP1.2 signal interface are disposed on the video processing chip, each HDMI2.0 signal interface is connected with an HDMI2.0 signal video source, and each DP1.2 signal interface is connected with an HDMI2.0 signal video source through one video conversion chip.
In specific implementation, referring to fig. 1, the two HDMI2.0 signal interfaces and the two DP1.2 signal interfaces are respectively connected with 2 video sources through HDMI2.0 signal cables, and the 2 DP1.2 signal interfaces are respectively connected with an output end of a video conversion chip through DP1.2 signal cables, and an input end of the video conversion chip is connected with an external video source through HDMI2.0 signal cables.
In a specific implementation, the video conversion chip is configured to convert an HDMI2.0 signal input by the HDMI2.0 signal video source into a DP1.2 signal, and the video processing chip processes the input HDMI2.0 signal and/or DP1.2 signal according to a user video display quantity requirement, to obtain an output picture display signal to the liquid crystal display.
And the liquid crystal display screen simultaneously displays one or more video pictures according to the received picture display signals.
Furthermore, the frame display signal is a two-screen video frame simultaneous display or a four-screen video frame simultaneous display, specifically, the video processing chip may divide the selected HDMI2.0 signal and/or DP1.2 signal by using a codec mode according to the number of video sources and the number of video frames required to be displayed by the user, and perform division processing on the display frame, and associate the signal of the video source required to be displayed with the divided sub-frame to obtain One eDP signal or One V-by-One signal output to the liquid crystal display, for example, when the user needs to view the frames of 4 video sources simultaneously, as shown in fig. 2, the liquid crystal display may divide the display frame of the liquid crystal display into 4 regions according to the eDP signal or the V-by-One signal output by the video processing chip, and each region displays the HDMI2.0 signal of One video source.
Further, the signal type of the picture display signal is an eDP signal or a V-by-One signal.
Further, the model of the video processing chip is RTD2797UPM, and the video processing chip RTD2797UPM can encode and decode One way of eDP signal or One way of V-by-One signal output to the liquid crystal display according to the number of video sources and the number of video pictures required to be displayed by a user.
Further, the video conversion chip has a model LT6711A, and the video conversion chip LT6711A converts the received video source signal into a DP1.2 signal and inputs the DP1.2 signal to the video processing chip RTD2797UPM.
In an improved embodiment, as shown in fig. 1, the display screen supporting simultaneous display of multiple HDMI2.0 signal frames further includes a keypad, where the keypad is connected to the control main board, and outputs a key switch signal to the control main board according to the display number of HDMI2.0 signal frames selected by the user, and the control main board divides the frames output to the liquid crystal display screen according to the key switch signal. Through the design of the key board, a user can independently select an input signal source and a video picture to be watched, and the experience of the user is improved.
In another improved embodiment, as shown in fig. 1, the display screen supporting simultaneous display of multiple HDMI2.0 signal frames further includes a power module, where an input end of the power module is connected to an external power supply, an output end of the power module is connected to the control motherboard and the liquid crystal display screen, and the power module performs isolated conversion on electric energy provided by the external power supply to obtain voltages required by the control motherboard and the liquid crystal display screen, for example, a voltage of 220V provided by the external power supply is processed into a voltage of 24V used by the control motherboard and the liquid crystal display screen.
The embodiment of the invention realizes the following technical effects: the display screen supporting simultaneous display of multiple HDMI2.0 signal pictures is display equipment integrating a control main board and a liquid crystal display screen, and can complete HDMI2.0 signal segmentation and simultaneous display functions of multiple external video sources (for example, 4 paths) only through one control main board, and has the advantages of low cost and reduction of on-site wiring. Meanwhile, the invention uses HDMI2.0 high-definition cable to transmit external video signals, and has the characteristics of strong interference resistance and high picture quality of digital video signals. Furthermore, the display screen of the invention can display a plurality of video pictures according to the user demand, for example, when 4 signal interfaces are arranged on the video processing chip, the liquid crystal display screen of the display screen can view the pictures of 4 paths of HDMI2.0 video sources at the highest, and can meet the specific application of the user.
It will be apparent to those skilled in the art that the modules or steps of the embodiments of the invention described above may be implemented in a general purpose computing device, they may be concentrated on a single computing device, or distributed across a network of computing devices, they may alternatively be implemented in program code executable by computing devices, so that they may be stored in a storage device for execution by computing devices, and in some cases, the steps shown or described may be performed in a different order than what is shown or described, or they may be separately fabricated into individual integrated circuit modules, or a plurality of modules or steps in them may be fabricated into a single integrated circuit module. Thus, embodiments of the invention are not limited to any specific combination of hardware and software.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, and various modifications and variations can be made to the embodiments of the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A display screen supporting simultaneous display of multiple HDMI2.0 signal pictures is characterized in that: the device comprises a control main board and a liquid crystal display screen;
the control main board comprises a video processing chip and a video conversion chip, wherein the video processing chip is provided with HDMI2.0 signal interfaces and DP1.2 signal interfaces, each HDMI2.0 signal interface is respectively connected with an HDMI2.0 signal video source, and each DP1.2 signal interface is respectively connected with an HDMI2.0 signal video source through one video conversion chip;
the video conversion chip is used for converting an HDMI2.0 signal input by the HDMI2.0 signal video source into a DP1.2 signal, and the video processing chip processes the input HDMI2.0 signal and/or DP1.2 signal according to the video display quantity requirement of a user to obtain an output picture display signal to the liquid crystal display screen;
and the liquid crystal display screen simultaneously displays one or more video pictures according to the received picture display signals.
2. The display screen supporting simultaneous display of multiple HDMI2.0 signal pictures according to claim 1, wherein: the HDMI2.0 signal interface and the DP1.2 signal interface are respectively two.
3. The display screen supporting simultaneous display of multiple HDMI2.0 signal pictures according to claim 1, wherein: the picture display signal is that two-screen video pictures are displayed simultaneously or four-screen video pictures are displayed simultaneously.
4. The display screen supporting simultaneous display of multiple HDMI2.0 signal pictures according to claim 1, wherein: the signal type of the picture display signal is an eDP signal or a V-by-One signal.
5. The display screen supporting simultaneous display of multiple HDMI2.0 signal pictures according to claim 1, wherein: the model of the video processing chip is RTD2797UPM.
6. The display screen supporting simultaneous display of multiple HDMI2.0 signal pictures according to claim 1, wherein: the model of the video conversion chip is LT6711A.
7. The display screen supporting simultaneous display of multiple HDMI2.0 signal pictures according to any one of claims 1 to 6, wherein: the control device comprises a control main board, and is characterized by further comprising a key board, wherein the key board is connected with the control main board, the key board outputs key switch signals to the control main board according to the HDMI2.0 signal picture display quantity selected by a user, and the control main board divides pictures output to the liquid crystal display according to the key switch signals.
8. The display screen supporting simultaneous display of multiple HDMI2.0 signal pictures according to any one of claims 1 to 6, wherein: the liquid crystal display device further comprises a power supply module, wherein the input end of the power supply module is connected with an external power supply, and the output end of the power supply module is connected with the control main board and the liquid crystal display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311847044.3A CN117834795A (en) | 2023-12-29 | 2023-12-29 | Display screen supporting simultaneous display of multiple HDMI2.0 signal pictures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311847044.3A CN117834795A (en) | 2023-12-29 | 2023-12-29 | Display screen supporting simultaneous display of multiple HDMI2.0 signal pictures |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117834795A true CN117834795A (en) | 2024-04-05 |
Family
ID=90511000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311847044.3A Pending CN117834795A (en) | 2023-12-29 | 2023-12-29 | Display screen supporting simultaneous display of multiple HDMI2.0 signal pictures |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117834795A (en) |
-
2023
- 2023-12-29 CN CN202311847044.3A patent/CN117834795A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8212797B2 (en) | Video signal processing device and display | |
| CN202363090U (en) | Multi-screen display device | |
| CN103188456A (en) | Display apparatus and signal processing module for receiving broadcasting and device and method for receiving broadcasting | |
| CN110999275B (en) | Video signal non-black screen switching processing method and device | |
| CN112102770B (en) | Drive chip, display screen and display device | |
| CN104092969A (en) | Television wall splicing system and method based on Display Port | |
| US20070262944A1 (en) | Apparatus and method for driving a display panel | |
| US20090128452A1 (en) | Single Integrated Monitor with Networking and Television Functionality | |
| CN210378427U (en) | Liquid crystal splicing screen | |
| CN117834795A (en) | Display screen supporting simultaneous display of multiple HDMI2.0 signal pictures | |
| CN101944328B (en) | Backlight control method and device thereof | |
| CN108055480B (en) | Single-channel video signal input multi-window display | |
| CN202221645U (en) | Eight-channel high-definition image display device | |
| KR101194656B1 (en) | Backlight driving system for liquid crystal display device | |
| CN111464766B (en) | Video processor and display system | |
| CN206932322U (en) | The signal circuit and display device of a kind of display device | |
| CN203181061U (en) | Cascaded extension multi-screen seamless-switching high-definition video processing device | |
| CN214154660U (en) | High-definition hybrid matrix switcher | |
| CN219322475U (en) | 4K high-definition video split-screen playing system based on long-distance HDMI line transmission | |
| CN220671944U (en) | Multi-channel 4K signal source input and one-screen multi-display | |
| CN102622974A (en) | Image driver and display including multiple groups of gamma generators | |
| CN2893784Y (en) | Electronic device capable of displaying external image | |
| CN211606852U (en) | LED backlight control circuit and interactive intelligent panel | |
| CN211019069U (en) | Video conversion device and multi-video display projector | |
| CN219018885U (en) | Signal conversion circuit and display module |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |