CN117971153A - Display system and method for 8k high-resolution vehicle-mounted display screen - Google Patents
Display system and method for 8k high-resolution vehicle-mounted display screen Download PDFInfo
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- CN117971153A CN117971153A CN202410265122.7A CN202410265122A CN117971153A CN 117971153 A CN117971153 A CN 117971153A CN 202410265122 A CN202410265122 A CN 202410265122A CN 117971153 A CN117971153 A CN 117971153A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
- G06F13/4282—Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus
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- 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
- G06F3/147—Digital output to display device ; Cooperation and interconnection of the display device with other functional units using display panels
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
Abstract
The invention discloses an 8k high-resolution vehicle-mounted display screen display system which comprises a host end, a driving end and a display screen module which are sequentially connected, wherein the host end is used for processing video data with 8k resolution into 2 paths of GMSL3 video signals and sending the 2 paths of GMSL3 video signals to the driving end, the driving end is used for receiving the 2 paths of GMSL3 video signals sent by the host end, then outputting 2 paths of DP1.4 signals and sending the 2 paths of DP1.4 signals to the display screen module, two groups of TCON chips are arranged in the display screen module and used for receiving DP1.4 signals sent by the driving end and respectively controlling left and right half display screens of the display screen module to display. The invention separately drives each half liquid crystal of the 8K display screen, and uses Hsync and Vsnyc synchronizing signals to ensure that video signals at left and right parts of the liquid crystal screen are synchronous, ensure the integrity of one 8K picture, and can enable a large-size display screen such as 35 inches to achieve a true 8K resolution effect by only using a traditional TCON chip under the condition of low resolution bandwidth transmission.
Description
Technical Field
The invention relates to the technical field of vehicle-mounted display screens, in particular to a display system and a display method of an 8k high-resolution vehicle-mounted display screen.
Background
The current vehicle-mounted display screens have more and more requirements on display, and the size resolution requirements on the display screens are also more and more, so that vehicle-mounted display screens with different resolutions or different display effects are derived to meet various requirements of users.
Most of the current vehicle-mounted display screens on the market are below 15.7 inch 2.5k resolution, because the liquid crystal panel can achieve 8k resolution if the vehicle-mounted display screen is required, but the difficulty is that 2 positions are provided:
1. The TCON chip inside the display screen module is lost in the market at present, and can not drive the resolution as large as 8k, if the chip is required to be customized, the development cost is extremely high;
2. The display screen and the host are split, and the serializer and the deserializer chips are needed to be used for transmission, but the bandwidth transmission capacity of the current serializer and deserializer chips can only support 4k and cannot transmit the bandwidth with 8k resolution, and Soc at the host end is needed to compress the transmitted video and then transmit the compressed video to the display screen module, so that the real 8k effect cannot be achieved.
Therefore, the application particularly provides a display system and a display method for an 8k high-resolution vehicle-mounted display screen, so as to solve the technical problems.
Disclosure of Invention
The invention mainly aims to provide a display system and a display method of an 8k high-resolution vehicle-mounted display screen, which are used for solving the technical problems in the background technology.
The invention adopts the following technical scheme to solve the technical problems:
an 8k high-resolution vehicle-mounted display screen display system comprises a host end, a driving end and a display screen module which are sequentially connected;
the host end is used for processing the video data with the resolution of 8k into 2 paths of GMSL3 video signals and sending the 2 paths of GMSL3 video signals to the driving end;
The driving end is used for receiving 2 paths of GMSL3 video signals sent by the host end, outputting 2 paths of DP1.4 signals and sending the signals to the display screen module;
The display screen module is used for receiving 2 paths of DP1.4 signals and respectively controlling the left half display screen and the right half display screen of the display screen module to synchronously display.
Preferably, the device further comprises an SOC processor, a serializer connected with the SOC processor, two groups of deserializers connected with the serializer and two groups of TCON chips correspondingly connected with the two groups of deserializers, and the driving end consists of the two groups of deserializers.
Preferably, the SOC processor and the serializer are disposed in the host side;
The SOC processor is used for sending the video data to the serializer through the DP1.4 signal interface;
And the serializer is used for receiving the DP1.4 signal output by the Soc, converting the DP1.4 signal into 2 paths of GMSL3 video signals and respectively transmitting the 2 paths of GMSL3 video signals to the driving end.
Preferably, an I2C bus protocol is arranged between the SOC processor and the serializer, and is used for configuring an internal register of the serializer by the SOC processor, ensuring a correct format of signal output and monitoring whether the state of the serializer is normal.
Preferably, the deserializer receives 2 paths of GMSL3 video signals sent by the host end respectively, and then outputs DP1.4 signals to send to the display screen module.
Preferably, the deserializers are connected in a chip cascade manner and are connected with the field sync Vsnyc through a line sync Hsync signal, so as to ensure synchronous transmission of pictures.
Preferably, the TCON chip is disposed in the display screen module and is configured to receive the DP1.4 signal sent by the driving end, and control the left half display screen and the right half display screen of the display screen module to display respectively.
Preferably, the display method of the 8k high-resolution vehicle-mounted display screen is applied to any one of the 8k high-resolution vehicle-mounted display screen display systems.
Preferably, the display method of the 8k high-resolution vehicle-mounted display screen specifically comprises the following steps:
Processing 8k resolution video data into 2 paths of GMSL3 video signals in the host end and sending the 2 paths of GMSL3 video signals to the driving end;
receiving 2 paths of GMSL3 video signals sent by a host end in the driving end, converting the 2 paths of GMSL3 video signals into 2 paths of DP1.4 signals, and sending the 2 paths of DP1.4 signals to a display screen module;
And receiving 2 paths of DP1.4 signals in the display screen module, respectively controlling the left half display screen and the right half display screen of the display screen module to display corresponding video information, and synchronizing the time domain of the display pictures of the 2 paths of DP1.4 signals in the display screen module.
In yet another aspect, the invention also discloses a computer readable storage medium storing a computer program which, when executed by a processor, causes the processor to perform the steps of the method as described above.
In yet another aspect, the invention also discloses a computer device comprising a memory and a processor, the memory storing a computer program which, when executed by the processor, causes the processor to perform the steps of the method as above.
According to the technical scheme, the invention provides a display system and a display method for an 8k high-resolution vehicle-mounted display screen. Compared with the prior art, the invention has the following advantages:
According to the invention, 2 TCON chips are adopted to drive each half liquid crystal of an 8K display screen in the display screen module, a mode of cascading 2 deserializer chips is adopted, hsync and Vsnyc synchronizing signals are used, video signals at left and right parts of the liquid crystal screen are ensured to determine synchronization, the integrity of one 8K picture is ensured, meanwhile, the structure is simple, and a large-size display screen such as 35 inches can achieve a real 8K resolution effect only by using the traditional TCON chips under the condition of low resolution bandwidth transmission.
It should be understood that the description in this section is not intended to identify key or critical features of the embodiments of the invention or to delineate the scope of the invention. Other features of the present invention will become apparent from the description that follows. Of course, it is not necessary for any one product to practice the invention to achieve all of the advantages set forth above at the same time.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:
FIG. 1 is a schematic diagram of the overall structure of the present invention;
Fig. 2 is a schematic diagram of a TCON chip control display module according to the present invention.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the application. Embodiments of the application and features of the embodiments may be combined with each other without conflict. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
In the examples, see fig. 1 and 2 in detail.
As shown in fig. 1 and 2. The embodiment of the invention provides an 8k high-resolution vehicle-mounted display screen display system, which comprises a host end, a driving end and a display screen module which are sequentially connected;
The host end is used for processing the video data with the resolution of 8k into 2 paths of GMSL3 video signals and sending the 2 paths of GMSL3 video signals to the driving end;
the driving end is used for receiving 2 paths of GMSL3 video signals sent by the host end, and then outputting 2 paths of DP1.4 signals to send to the display screen module;
And the display screen module is used for receiving 2 paths of DP1.4 signals and respectively controlling the left half display screen and the right half display screen of the display screen module to synchronously display.
Specifically, the system also comprises an SOC processor, a serializer connected with the SOC processor, two groups of deserializers connected with the serializer and two groups of TCON chips correspondingly connected with the two groups of deserializers.
The driving end consists of two groups of deserializers, the SOC processor and the serializer are arranged in the host end, and the TCON chip is arranged in the display screen module;
therefore, the specific connection mode of the 8k high-resolution vehicle-mounted display screen display system is as follows:
The system comprises an SOC processor, a serializer, a plurality of groups of deserializers (chips), a plurality of communication lines, a plurality of control units and a plurality of control units, wherein the SOC processor is connected with the serializer, the serializer is connected with the two groups of deserializers (chips) through the communication lines, and the two groups of deserializers (chips) are connected with the TCON chip in a one-to-one correspondence manner;
wherein:
the SOC processor, the high-end processor, support the video data processing of 8k resolution ratio, is used for sending the video data to the serializer through DP1.4 signal interface in the inside;
The serializer is used for receiving the DP1.4 signal output by the Soc, converting the DP1.4 signal into 2 paths of GMSL3 video signals and respectively transmitting the 2 paths of GMSL3 video signals to the deserializer at the driving end;
the de-serializer is used for respectively receiving 2 paths of GMSL3 video signals from the host end serializer, and then outputting DP1.4 signals to be sent to a TCON chip of the display screen module;
the TCON chip is used for receiving the DP1.4 signal sent by the drive end deserializer and respectively controlling the left half display screen and the right half display screen of the display screen module to display.
At the moment, the specific explanation is that the chip cascade connection between the two groups of deserializers respectively receives 2 paths of GMSL3 video signals sent by the host end, and then outputs 2 paths of DP1.4 signals to the display screen module; for example, an 8k resolution picture, the chip of the deserializer 1 transmits the left half of the picture information, and the chip of the deserializer 2 transmits the right half of the picture information.
Therefore, the chip between the deserializers is connected in cascade and is in signal connection with the field sync Vsnyc through the line sync Hsync for ensuring synchronous transmission of pictures, so that pictures displayed on the display screen module cannot be dislocated and the like, 2 paths of DP1.4 signals in the display screen module are enabled to display pictures in a time domain synchronous mode, picture deformity is prevented, normal display of a large-size 8k high-resolution display screen is realized, and integrity of 8k pictures of the display screen is ensured.
In addition, it can be further explained that an I2C bus protocol is arranged between the SOC processor and the serializer, and is used for configuring an internal register of the serializer by the SOC processor, ensuring that the signal output format is correct and monitoring whether the state of the serializer is normal.
In summary, the 8K high-resolution vehicle-mounted display screen has a simple structure, and can achieve a real 8K resolution effect by only cascading the traditional TCON chips under the condition of low-resolution bandwidth transmission.
Therefore, the embodiment of the invention also provides a display method of the 8k high-resolution vehicle-mounted display screen, which is applied to any 8k high-resolution vehicle-mounted display screen display system.
The display method of the 8k high-resolution vehicle-mounted display screen specifically comprises the following steps:
processing 8k resolution video data into 2 paths of GMSL3 video signals in a host end through an SOC processor and a serializer, and sending the 2 paths of GMSL3 video signals to a driving end;
2 paths of GMSL3 video signals sent by a host end are respectively received in the driving end through two groups of deserializers, and then converted and output into 2 paths of DP1.4 signals, and the signals are sent to a display screen module;
the 2 paths of DP1.4 signals are received by the two groups of TCON chips in the display screen module, the left half display screen and the right half display screen of the display screen module are respectively controlled to display corresponding video information, and the chip cascade connection between the deserializers and the signal connection of the field synchronization Vsnyc are utilized to ensure the time domain synchronization of the 2 paths of DP1.4 signals in the display screen module, so that the integrity of the 8k images of the display screen is ensured.
In a specific implementation process, in order to drive the large-size 8k resolution display screen, the above-mentioned 8k high-resolution vehicle-mounted display screen display system and method can be adopted, and a low-cost driving scheme is formed: the display screen module is internally provided with 2 traditional TCON chips supporting DP1.4 interfaces, the host end is provided with a serializer of GMSL3 of ADI and is used for connecting two deserializer chips of ADI, so that 2 DP1.4 interfaces respectively push the vehicle-mounted display screen with 4k resolution, namely the left half and the right half of the 8k display screen, and the left and the right synchronization of the picture of the whole 8k display screen are ensured through a cascade synchronous circuit, and the whole 8k display screen is seen to be a complete video-free compressed 8k display screen.
In yet another aspect, the invention also discloses a computer readable storage medium storing a computer program which, when executed by a processor, causes the processor to perform the steps of the method as described above.
In yet another aspect, the invention also discloses a computer device comprising a memory and a processor, the memory storing a computer program which, when executed by the processor, causes the processor to perform the steps of the method as above.
In yet another embodiment of the present application, there is also provided a computer program product containing instructions which, when run on a computer, cause the computer to perform any of the methods of the above embodiments.
It may be understood that the system provided by the embodiment of the present invention corresponds to the method provided by the embodiment of the present invention, and explanation, examples and beneficial effects of the related content may refer to corresponding parts in the above method.
The embodiment of the application also provides an electronic device, which comprises a processor, a communication interface, a memory and a communication bus, wherein the processor, the communication interface and the memory are communicated with each other through the communication bus,
A memory for storing a computer program;
And the processor is used for realizing the method for matching the tracking information with the virtual character animation when executing the program stored in the memory.
The communication bus mentioned by the above electronic device may be a peripheral component interconnect standard (english: PERIPHERAL COMPONENT INTERCONNECT, abbreviated as PCI) bus or an extended industry standard architecture (english: extended Industry Standard Architecture, abbreviated as EISA) bus, etc. The communication bus may be classified as an address bus, a data bus, a control bus, or the like.
The communication interface is used for communication between the electronic device and other devices.
The Memory may include random access Memory (RAM, english: random Access Memory) or nonvolatile Memory (NVM, english: non-Volatile Memory), such as at least one disk Memory. Optionally, the memory may also be at least one memory device located remotely from the aforementioned processor.
The processor may be a general-purpose processor, including a central processing unit (english: central Processing Unit, abbreviated as CPU), a network processor (english: network Processor, abbreviated as NP), etc.; it may also be a digital signal processor (English: DIGITAL SIGNAL Processing: DSP), an Application specific integrated Circuit (English: application SPECIFIC INTEGRATED Circuit: ASIC), a Field Programmable gate array (English: field-Programmable GATE ARRAY; FPGA) or other Programmable logic device, discrete gate or transistor logic device, discrete hardware components.
The electronic device further includes a terminal device, which may also be referred to as a terminal (terminal), a User Equipment (UE), a Mobile Station (MS), a Mobile Terminal (MT), or the like. The terminal device may be a mobile phone, a smart television, a wearable device, a tablet (Pad), a computer with wireless transceiving function, a Virtual Reality (VR) terminal device, an augmented reality (augmented reality, AR) terminal device, a wireless terminal in industrial control (industrial control), a wireless terminal in unmanned driving (self-driving), a wireless terminal in teleoperation (remote medical surgery), a wireless terminal in smart grid (SMART GRID), a wireless terminal in transportation security (transportation safety), a wireless terminal in smart city (SMART CITY), a wireless terminal in smart home (smart home), or the like. The embodiment of the application does not limit the specific technology and the specific equipment form adopted by the terminal equipment.
In the above embodiments, it may be implemented in whole or in part by software, hardware, firmware, or any combination thereof. When implemented in software, may be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. When loaded and executed on a computer, produces a flow or function in accordance with embodiments of the present application, in whole or in part. The computer may be a general purpose computer, a special purpose computer, a computer network, or other programmable apparatus. The computer instructions may be stored in or transmitted from one computer-readable storage medium to another, for example, by wired (e.g., coaxial cable, optical fiber, digital Subscriber Line (DSL)), or wireless (e.g., infrared, wireless, microwave, etc.). The computer readable storage medium may be any available medium that can be accessed by a computer or a data storage device such as a server, data center, etc. that contains an integration of one or more available media. The usable medium may be a magnetic medium (e.g., floppy disk, hard disk, tape), an optical medium (e.g., DVD), or a semiconductor medium (e.g., solid state disk Solid STATE DISK (SSD)), etc.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
In addition, if a directional indication (such as up, down, left, right, front, and rear … …) is included in the embodiment of the present invention, the directional indication is merely used to explain a relative positional relationship between the components, a movement condition, etc. in a specific posture, and if the specific posture is changed, the directional indication is correspondingly changed.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout includes three parallel schemes, for example "A and/or B", including the A scheme, or the B scheme, or the scheme where A and B are satisfied simultaneously. In addition, in the embodiment of the present invention, "a plurality of" means two or more. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
Claims (9)
1. The 8k high-resolution vehicle-mounted display screen display system is characterized by comprising a host end, a driving end and a display screen module which are sequentially connected;
the host end is used for processing the video data with the resolution of 8k into 2 paths of GMSL3 video signals and sending the 2 paths of GMSL3 video signals to the driving end;
The driving end is used for receiving 2 paths of GMSL3 video signals sent by the host end, outputting 2 paths of DP1.4 signals and sending the signals to the display screen module;
The display screen module is used for receiving 2 paths of DP1.4 signals and respectively controlling the left half display screen and the right half display screen of the display screen module to synchronously display.
2. The 8k high resolution vehicle-mounted display screen display system according to claim 1, wherein the host side is internally provided with an SOC processor and a serializer;
The SOC processor is used for sending the video data to the serializer through the DP1.4 signal interface;
And the serializer is used for receiving the DP1.4 signal output by the Soc, converting the DP1.4 signal into 2 paths of GMSL3 video signals and respectively transmitting the 2 paths of GMSL3 video signals to the driving end.
3. The 8k high resolution vehicle-mounted display screen display system according to claim 2, wherein an I2C bus protocol is arranged between the SOC processor and the serializer, and is used for configuring an internal register of the serializer by the SOC processor, ensuring a correct format of signal output and monitoring whether the state of the serializer is normal.
4. The display system of the 8k high-resolution vehicle-mounted display screen of claim 1, wherein the driving end is composed of two groups of deserializers, the deserializers respectively receive 2 paths of GMSL3 video signals sent by a host end, and then output a DP1.4 signal to be sent to a display screen module.
5. The 8k high resolution vehicle mounted display screen display system of claim 4, wherein the deserializers are chip cascaded and connected by a line sync Hsync signal and a field sync Vsnyc signal, for ensuring synchronous transmission of pictures.
6. The 8k high-resolution vehicle-mounted display screen display system according to claim 1, wherein two groups of TCON chips are arranged in the display screen module and are used for receiving DP1.4 signals sent by the driving end and respectively controlling left and right half display screens of the display screen module to display.
7. An 8k high-resolution vehicle-mounted display screen display method, which is characterized by being applied to the 8k high-resolution vehicle-mounted display screen display system according to any one of claims 1 to 6;
the display method of the 8k high-resolution vehicle-mounted display screen specifically comprises the following steps:
Processing 8k resolution video data into 2 paths of GMSL3 video signals in the host end and sending the 2 paths of GMSL3 video signals to the driving end;
receiving 2 paths of GMSL3 video signals sent by a host end in the driving end, converting the 2 paths of GMSL3 video signals into 2 paths of DP1.4 signals, and sending the 2 paths of DP1.4 signals to a display screen module;
And receiving 2 paths of DP1.4 signals in the display screen module, respectively controlling the left half display screen and the right half display screen of the display screen module to display corresponding video information, and synchronizing the time domain of the display pictures of the 2 paths of DP1.4 signals in the display screen module.
8. A computer readable storage medium storing a computer program which, when executed by a processor, causes the processor to perform the steps of the 8k high resolution vehicle mounted display screen display method of claim 7.
9. A computer device comprising a memory and a processor, the memory storing a computer program that, when executed by the processor, causes the processor to perform the steps of the 8k high resolution on-board display screen display method of claim 7.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410265122.7A CN117971153A (en) | 2024-03-08 | 2024-03-08 | Display system and method for 8k high-resolution vehicle-mounted display screen |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410265122.7A CN117971153A (en) | 2024-03-08 | 2024-03-08 | Display system and method for 8k high-resolution vehicle-mounted display screen |
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| CN202410265122.7A Pending CN117971153A (en) | 2024-03-08 | 2024-03-08 | Display system and method for 8k high-resolution vehicle-mounted display screen |
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