Driving method and system based on display panel

Abstract

The invention provides a driving method and system based on a display panel, and the method comprises the steps: transmitting a command to a cloud server through an operation processing device, and enabling the command to comprise a data flow transmitted to the display panel; the operation processing device monitors wireless communication between the cloud server and the display panel according to the information of the command; controlling a data stream sent from the cloud server to the display panel, and receiving the data stream by the central processing unit; the data stream is converted into image data through the central processing unit, the image data is read by the display panel controller and then converted into display data, and the display data is uploaded to a cloud server; the display data from the cloud server is received in a wireless mode, so that the display panel is driven. The processor is in information communication with the display panel in a wireless communication mode, and the grid driver receives a synchronizing signal sent by the time schedule controller in a wireless transmission mode to achieve picture driving of the display panel, so that man-machine separation is achieved.

Description

Technical Field

[0001] The present invention relates to the technical field of display panel driving, and in particular to a display panel driving method and system based on wireless mode. Background Art

[0002] With the development and progress of society, human beings are increasingly dependent on various information, such as business information, scientific information, medical information, etc. In order to display this information, the demand for various display devices is gradually increasing. Therefore, scientific and technological personnel have worked hard to develop various flat display devices to meet such needs, such as liquid crystal displays (LCDs), plasma display panels (PDPs), electroluminescent display devices (ELDs), vacuum fluorescent display devices (VFDs), etc. Specific types of flat display devices are used in various applications. These display devices usually use printed circuit boards (PCBs) to accommodate a large number of components. The current medium and large-sized panel electronic system architecture uses a source driver chip (Source driver) and a gate driver chip (Gate driver), and is equipped with a timing controller (Timing Controller) to provide a frequency signal and an image data signal synchronized with the frequency signal to the source driver to drive a display panel.

[0003] With the development of communication, network and other technologies, portable electronic products such as smart phones, tablet computers, and laptop computers can download audio, video and other materials from the Internet anytime and anywhere, bringing great convenience to people's lives. People can not only watch video materials directly from mobile phones, tablet computers or laptop computers, but also use interface technology to connect portable electronic products with large-size display devices, such as TVs, through cables (Cable), and transmit the data on portable electronic products to large-size display devices for display. After the development of wireless communication technology, interactive sharing of data between various electronic products has become more convenient. At present, there are two main ways to connect media resources (including routers and the above-mentioned portable electronic products) with display devices: one is to use a set-top box (Media Box) as a transfer device, the media resource first provides the image data signal to the set-top box by wireless transmission, and then the set-top box provides the image data to the display device through the cable connected to the display device for display; the other is to install a wireless adapter (Wireless Dongle) on the display device, and then obtain the image data signal sent by the media resource through the wireless adapter for display.

[0004] However, both of the above two wireless sharing methods require transfer equipment such as set-top boxes and wireless adapters to realize data sharing between media resources and set-top boxes, which is not convenient to operate and cannot quickly achieve interactive data sharing. In addition, whether it is the connection between the display device and the above media resources for resource sharing, or the connection between the display device and the host in the computer system, cables are required to transmit image signals to the display device for display. In this way, it takes a certain amount of time to connect the cables during use, and the cables take up space, which is easy to cause confusion and unsightly environment, causing inconvenience to users.

[0005] In view of this, the designers of the present invention, in view of the deficiencies in the prior art, after careful experiments and research, proposed a display panel based on wireless image driving and a method thereof to solve the above-mentioned technical problems existing in the prior art, and with a spirit of perseverance, finally conceived the present invention to overcome the above-mentioned problems. Summary of the invention

[0006] The purpose of the present invention is to provide a driving method and system based on a display panel, wherein the display panel is provided with a wireless communication receiving function, the processor (CPU) can communicate with the display panel through wireless communication, and the gate driver receives the synchronization signal sent by the timing controller through wireless transmission to realize the screen driving of the display panel. Therefore, the separation of man and machine is achieved to solve the above-mentioned technical problems existing in the prior art.

[0007] To achieve the purpose of the present invention, a technical solution provided by the present invention is as follows:

[0008] A driving method based on a display panel comprises the following steps:

[0009] Sending a command to a cloud server through a computing processing device, wherein the command includes a data stream for transmitting to a display panel;

[0010] The wireless communication between the cloud server and the display panel is monitored by the computing processing device according to the command information;

[0011] Controlling the data stream sent from the cloud server to the display panel, and receiving the data stream by a central processing unit (CPU);

[0012] The data stream is converted into image data by the central processing unit, and the image data is read by the display panel controller and converted into display data, which is then uploaded to the cloud server; and

[0013] The display panel is driven by receiving display data from the cloud server wirelessly.

[0014] In a possible design, the following steps are also included: a gate driver with an integrated wireless signal transceiver circuit divides the display panel into display areas using the wireless transmission address of the wireless signal transceiver circuit as a mark, and arranges the display areas according to the driving sequence; a timing controller with an integrated wireless data transmitter receives display data from a cloud server wirelessly and converts it into a synchronization signal according to the display panel driving sequence; a source driver is connected to the timing controller via a flexible circuit board through multiple data lines, receives the sent display data and synchronization signal in a wired manner, and drives the display panel according to the synchronization signal and the display data; the gate driver receives the synchronization signal wirelessly through a wireless signal transceiver circuit, and drives the display panel according to the synchronization signal.

[0015] In a possible design, the gate driver demodulates the received synchronization signal through the wireless signal receiving circuit and feeds back the reception status of the synchronization signal to the timing controller; the timing controller uses a storage module to store the driving sequence of the display panel.

[0016] In a possible design, the timing controller stores display data of the display panel via a buffer.

[0017] In a possible design, the timing controller reads the driving sequence in the storage module through a data conversion module, and reads the corresponding display data from the buffer according to the driving sequence, so as to convert the image data sorted by the driving sequence into display data and synchronization signals.

[0018] To achieve another object of the present invention, another technical solution provided by the present invention is as follows:

[0019] A driving system based on a display panel includes: a computing processing device, a cloud server, a display panel and a central processing unit (CPU); the central processing unit (CPU) is configured to execute an instruction, the instruction includes a processor executable code, and the execution of the instruction includes:

[0020] Sending a command from the computing processing device to the cloud server, the command including a data stream for transmitting to a display panel;

[0021] The computing processing device is used to monitor the wireless communication between the cloud server and the display panel according to the command information;

[0022] The central processing unit is used to convert the data stream into image data, and convert the image data read by the display panel controller into display data, and upload it to the cloud server; and

[0023] The timing controller is used to receive display data from the cloud server to drive the display panel.

[0024] In one possible design, the display panel includes multiple source drivers, multiple gate drivers, a wireless signal transceiver circuit and a wireless data transceiver timing controller, which is arranged on a printed circuit board outside the display panel. The timing controller is integrated with a wireless data transceiver for wirelessly receiving display data from a cloud server and converting it into a synchronization signal according to the display panel driving sequence; the source driver is arranged in the display panel and connected to the timing controller with multiple data lines, and is used to receive the synchronization signal and display data sent by the timing controller through these data lines, and drive the display panel according to the synchronization signal and display data; the gate driver is arranged in the display panel and is integrated with a wireless signal transceiver circuit, and is used to receive the synchronization signal sent by the wireless data transmitter of the timing controller, and drive the display panel according to the synchronization signal; the wireless signal transceiver circuit includes a wireless signal receiving circuit and a wireless signal sending circuit, the wireless signal receiving circuit is used to demodulate the received synchronization signal, and the wireless signal sending circuit is used to feedback the reception status of the synchronization signal to the timing controller.

[0025] In a possible design, a wireless data receiver is integrated inside the timing controller to receive a feedback signal sent by the gate driver through a wireless signal sending circuit, and provide the demodulated feedback signal to the timing controller for processing.

[0026] In one possible design, the timing controller also includes a storage module, a buffer and a data conversion module. The storage module is used to store the driving sequence of the display panel; the buffer is used to store the display data of the display panel; the data conversion module is used to read the driving sequence in the storage module, read the corresponding display data from the buffer according to the driving sequence, and generate a synchronization signal according to the display panel driving sequence conversion. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is an architecture diagram of a display panel-based driving system of the present invention.

[0028] Figure 2 The present invention Figure 1 The driving flow chart.

[0029] Figure 3 The present invention Figure 1 The image data transmission architecture of the timing controller.

[0030] Figure 4 The present invention Figure 1 Flowchart of the image data transmission method of the timing controller.

[0031] Explanation of the accompanying drawings: 10-display panel; 11-printed circuit board; 12-flexible circuit board; 20-timing controller; 201-data conversion module; 202-wireless data transceiver; 21-storage module; 22-buffer; 30-source driver; 40-gate driver; 41-wireless signal transceiver circuit; S1~S5-wireless driving method process; S51~S54-image data transmission method. DETAILED DESCRIPTION

[0032] The detailed description and technical contents of the present invention are described as follows in conjunction with the drawings, but the drawings are only provided for reference and illustration and are not intended to limit the present invention. Various embodiments of the present invention are described in detail below in conjunction with the drawings, but the present invention is not limited to these embodiments. The present invention covers any substitution, modification, equivalent method and scheme made on the essence and scope of the present invention. In order to enable the public to have a thorough understanding of the present invention, the specific details are described in detail in the following preferred embodiments of the present invention, and those skilled in the art can fully understand the present invention without the description of these details.

[0033] Unless otherwise defined, the technical terms or scientific terms used in this disclosure should be understood by people with ordinary skills in the field to which the invention belongs. "First", "second" and similar words used in this disclosure do not indicate any order, quantity or importance, but are only used to distinguish different structural parts. "Include", "comprise", "have" and other similar words used in this disclosure mean that the components or objects appearing before the word cover the components or objects listed after the word and their equivalents, without excluding other components or objects. "Up", "down" and other terms are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0034] Please refer to Figure 1-2 As shown, it depicts the architecture diagram of the wireless driving system based on the display panel of the present invention and the flow chart of the wireless driving method. The system mainly uses the technology to wirelessly present the image on a display of a computing device on a remote display. The display of a computing device can be called a desktop display, and can include a number of icons and applications at different locations on the desktop display. Supplementary explanation, the computing device shown in the figure is represented as the same.

[0035] The wireless driving system based on the display panel of the present invention comprises: a computing processing device, a cloud server, a display panel and a central processing unit (CPU); the central processing unit (CPU) comprises a control chip (e.g., a display panel controller) and is configured to execute an instruction, the instruction comprises a processor executable code, and the execution of the instruction illustrates the wireless driving method of the present invention, comprising the following steps:

[0036] S1: Sending a command to a cloud server through a computing processing device, where the command includes a data stream for transmitting to a display panel;

[0037] S2: monitoring the wireless communication between the cloud server and the display panel according to the command information through the computing processing device;

[0038] S3: controls the data stream sent from the cloud server to the display panel, and the data stream is received by the central processing unit (CPU);

[0039] S4: The data stream is decoded and decrypted by a central processing unit (CPU) to generate image data, and the image data is read by a display panel controller (not shown) in the central processing unit (CPU) and converted into display data, which is then uploaded to a cloud server;

[0040] S5: Receive display data from the cloud server wirelessly to drive the display panel.

[0041] According to one embodiment of the present invention, the computing device may be, for example, a laptop computer, a desktop computer, a tablet computer, a mobile device, a server, or a VoIP phone. The computing device may include a central processing unit (CPU) configured to execute stored instructions, and a memory device storing instructions that can be executed by the CPU. The CPU may be a single-core processor, a multi-core processor, a computer cluster, or any other configuration. In addition, the computing device may include more than one CPU. The instructions executed by the CPU may be used to perform wireless driving of the display panel in the cloud mode. The memory device may include random access memory (RAM), read-only memory (ROM), flash memory, or any other suitable memory system. For example, the memory device may include dynamic random access memory (DRAM).

[0042] As mentioned above, please refer to Figure 3As shown, the display panel in the driving system of the present invention includes: a display panel 10, a printed circuit board (PCB) 11, and a flexible printed circuit board (FPCB) 12 connecting the display panel 10 and the printed circuit board 11. The present invention includes a timing controller 20, a plurality of source drivers 30, and a plurality of gate drivers 40 based on a wireless image driving architecture supporting a display panel. The printed circuit board 11 is provided with a power supply circuit (not shown), a timing controller (T-CON) 20, and an external signal interface circuit (not shown).

[0043] The timing controller 20 generates display data signals such as reduced swing differential signals (RSDS) and various display control signals such as a vertical pulse start signal (STV), a vertical pulse signal (CPV), a horizontal pulse start signal (STH), a horizontal pulse signal (Clock Pulse Horizontal, CPH), a polarity inversion signal, etc. according to the received image signals such as a low voltage differential signal (LVDS), and provides the generated signals to the circuits on the display panel 10 via the flexible printed circuit 12.

[0044] The timing controller 20 receives display data from the cloud server wirelessly, and converts it into a synchronization signal according to the display panel driving sequence; wherein the timing controller 20 integrates a data conversion module 201 and a wireless data transceiver 202, and the wireless data transceiver 202 mainly includes a wireless data transmitter (not shown in the figure) and a wireless data receiver (not shown in the figure), and the wireless data transmitter is used to transmit the display data and the synchronization signal to the corresponding gate driver 40; the wireless data receiver is used to receive the display data from the cloud server or the feedback of the gate driver 40.

[0045] The printed circuit board 11 may further include a storage module 21 and a buffer 22; the storage module 21 is connected to the timing controller 20, and may use an electrically erasable programmable read-only memory (EEPROM) to store the driving sequence of the display panel 10; each driven wireless data receiver has a corresponding wireless transmission address, and the wireless transmission address of each wireless data receiver is stored in the EEPROM as a mark of the driving sequence; the buffer 22 can be externally mounted on the timing controller 20, and is used to temporarily store the display data of the display panel 10; the data conversion module 201 is used to read the driving sequence of the display panel 10 in the storage module 21, read the corresponding display data from the buffer 22 according to the read driving sequence, and convert the display data sorted according to the driving sequence to generate a synchronization signal.

[0046] The source driver 30 is disposed in the display panel 10 and connected to the timing controller 20 via a plurality of data lines (not shown in the figure), receives the synchronization signal and display data sent by the timing controller 20 via the data lines, and drives the display panel 10 according to the synchronization signal and the display data. In addition, the data lines of the source driver 30 are connected through the non-functional pins or idle pins on the flexible circuit board 12 to provide the received signal to the timing controller 20 located on the printed circuit board 11 via the flexible circuit board 12, and this method does not require changing the existing flexible circuit board 12.

[0047] The gate driver 40 is arranged in the display panel 10 and has a wireless signal transceiver circuit (Wireless Transceiver) 41 integrated therein. The wireless signal transceiver circuit 41 includes a wireless signal receiving circuit (not shown in the figure) and a wireless signal sending circuit (not shown in the figure); wherein the wireless signal receiving circuit is used to receive the synchronization signal sent by the wireless data transmitter 202 of the timing controller 20, and demodulate the received synchronization signal and drive the display panel according to the synchronization signal; the wireless signal sending circuit is used to feed back the reception status of the synchronization signal to the timing controller 20.

[0048] According to one embodiment of the present invention, the wireless signal transceiver circuit 41 can be made of a transparent conductive material such as indium tin oxide (ITO), or a metal conductive material such as copper, and is disposed in a non-display area of ​​the display panel 10, and can be formed in the same manufacturing process as the electrodes in the pixel circuit on the display panel 10.

[0049] According to an embodiment of the present invention, when the transmission amount of each frame of image data is relatively small, the external buffer 22 may not be set, and the timing controller 20 may directly read the display data of the display panel 10 for processing. When the driving sequence does not need to be changed, the driving sequence can be set in the timing controller 20, and the storage module 21 is not required. Further, when there is no need to feedback the reception of the synchronization signal or display data, the gate driver 40 does not need to be integrated with a wireless signal transmission circuit, and the timing controller 20 does not need to be integrated with a wireless data receiver.

[0050] Please refer to Figure 4 As shown, based on the driving method of the present invention, the corresponding driving method processing flow in the above step S5 further includes the following steps:

[0051] Step S51: The gate driver with the wireless signal transceiver circuit integrated therein divides the display panel into display areas and arranges the display areas according to the driving sequence using the wireless transmission address of the wireless signal transceiver circuit as a mark;

[0052] Step S52: a timing controller with an integrated wireless data transmitter reads display data according to a display panel driving sequence, and generates a synchronization signal according to the display data sorted in the driving sequence;

[0053] Step S53: the source driver is connected to the timing controller via a flexible circuit board through a plurality of data lines, and receives the sent display data and synchronization signal in a wired manner, so as to drive the display panel according to the synchronization signal and the display data;

[0054] Step S54: the gate driver receives the synchronization signal in a wireless manner through the wireless signal transceiver circuit to drive the display panel according to the synchronization signal and the display data.

[0055] In this embodiment, each wireless data transceiver has a corresponding wireless transmission address. The wireless transmission address of each wireless transmission receiver is used as a mark to divide the liquid crystal display panel into regions, and the divided image data is arranged according to the driving order and stored in the storage module. Here, for each frame of image data, it will be divided into several small blocks according to the liquid crystal display panel area; the so-called image data is the image data that needs to be displayed on the display panel 10.

[0056] In the above method, the driving sequence can be set according to the needs of the user, and changing the driving sequence can realize functions such as image inversion. At the same time, for display panels of different models, after changing the driving sequence, the wireless communication between the timing controller and the gate driver in the present invention is not affected, and the corresponding liquid crystal display panel can still be driven. If the transmission amount of image data per frame is relatively small, the timing controller can directly process the image data of a row of display panels; at the same time, if only one driving sequence is used, the driving sequence can be directly set in the timing controller.

[0057] In summary, the driving method and system based on the display panel of the present invention mainly sets a wireless transceiver circuit in the non-display area of ​​the display panel. The processor (CPU) can communicate with the panel (LCD Panel) through wireless communication, and the gate driver receives the synchronization signal sent by the timing controller by wireless transmission to realize the screen driving of the display panel. The gate driver receives the synchronization signal sent by the timing controller by wireless transmission to realize the screen driving of the display panel, thereby removing the signal routing (scanning line) connected to the gate driver in the display panel, and sending feedback signals such as matching success through the wireless transceiver circuit. Therefore, the present invention has the following advantages to achieve the separation of man and machine

[0058] 1. It can simplify the area and structure of the display panel lighting.

[0059] 2. The drive components of each panel can be controlled by a cloud server (network).

[0060] 3. The central processing unit (CPU) can be simplified into a cloud chip, placing complex calculations and data in the cloud to achieve human-machine separation.

[0061] The above description shows and describes several preferred embodiments of the present invention, but as before, it should be understood that the present invention is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the invention concept of this article through the above teachings or the technology or knowledge of the relevant field. The changes and modifications made by those skilled in the art do not depart from the spirit and scope of the present invention, and should be within the scope of protection of the claims attached to the present invention.

Claims

1. A driving method based on a display panel, characterized in that: The driving method based on the display panel comprises the following steps: Sending a command to a cloud server through a computing processing device, wherein the command includes a data stream for transmitting to a display panel; The computing device monitors the wireless communication between the cloud server and the display panel according to the information of the command; Controlling the data stream sent from the cloud server to the display panel, and receiving the data stream by a central processing unit; The data stream is converted into image data by the central processing unit, and the image data is read by the display panel controller and converted into display data, and uploaded to the cloud server; and The display data is received from the cloud server in a wireless manner, thereby driving the display panel.

2. The display panel driving method according to claim 1, characterized in that: It also includes the following steps: A gate driver with a wireless signal transceiver circuit integrated therein is used to divide the display panel into display areas using the wireless transmission address of the wireless signal transceiver circuit as a mark, and to arrange the display areas according to a driving sequence; A timing controller with an integrated wireless data transmitter receives the display data from the cloud server in a wireless manner and converts it into a synchronization signal according to the display panel driving sequence; The source driver is connected to the timing controller via a flexible circuit board through a plurality of data lines, and receives the sent display data and synchronization signal in a wired manner, so as to drive the display panel according to the synchronization signal and the display data; as well as The gate driver receives the synchronization signal through a wireless signal transceiver circuit to drive the display panel according to the synchronization signal.

3. The display panel driving method according to claim 2, characterized in that: The gate driver demodulates the received synchronization signal through the wireless signal receiving circuit, and feeds back the reception status of the synchronization signal to the timing controller.

4. The wireless driving method based on the display panel according to claim 2, characterized in that: The timing controller is used to store the driving sequence of the display panel through a storage module.

5. The display panel driving method according to claim 4, characterized in that: The timing controller stores the display data of the display panel through a buffer.

6. The display panel driving method according to claim 5, characterized in that: The timing controller reads the driving sequence in the storage module through a data conversion module, reads the corresponding display data from the buffer according to the driving sequence, and converts the display panel driving sequence to generate a synchronization signal.

7. A driving system based on a display panel, characterized in that: The wireless driving system based on the display panel includes: A computing processing device, a cloud server, a display panel, and a central processing unit; The central processing unit is configured to execute an instruction, the instruction comprising a processor executable code, and the execution of the instruction comprises: Sending a command from the computing processing device to the cloud server, wherein the command includes a data stream for transmitting to a display panel; The computing processing device is used to monitor the wireless communication between the cloud server and the display panel according to the information of the command; The cloud server is used to send a data stream to the display panel according to user settings, and the central processing unit receives the data stream; The central processing unit is used to convert the data stream into image data, and convert the image data read by the display panel controller into display data, and upload it to the cloud server; and The timing controller is used to receive display data from the cloud server wirelessly, thereby driving the display panel and converting and generating a synchronization signal according to the driving sequence.

8. The display panel-based wireless driving system according to claim 7, characterized in that: The display panel includes a plurality of source drivers, a plurality of gate drivers, a wireless signal transceiver circuit and a wireless data transceiver. The timing controller is arranged on a printed circuit board outside the display panel. The timing controller is internally integrated with a wireless data transceiver, which receives display data from the cloud server wirelessly and converts it into a synchronization signal according to the display panel driving sequence; The source driver is disposed in the display panel and connected to the timing controller via a plurality of data lines, and is used to receive the synchronization signal and the display data sent by the timing controller via the data lines, and drive the display panel according to the synchronization signal and the display data; The gate driver is disposed in the display panel and has a wireless signal transceiver circuit integrated therein, and is used to receive a synchronization signal sent by a wireless data transmitter of the timing controller and drive the display panel according to the synchronization signal; and The wireless signal transceiver circuit includes a wireless signal receiving circuit and a wireless signal sending circuit. The wireless signal receiving circuit is used to demodulate the received synchronization signal, and the wireless signal sending circuit is used to feed back the reception status of the synchronization signal to the timing controller.

9. The display panel-based wireless driving system according to claim 8, characterized in that: A wireless data receiver is further integrated inside the timing controller, which is used to receive the feedback signal sent by the gate driver through the wireless signal sending circuit, and provide the demodulated feedback signal to the timing controller for processing.

10. The display panel-based wireless driving system according to claim 8, characterized in that: The timing controller also includes a storage module, a buffer and a data conversion module. The storage module is used to store the driving sequence of the display panel; The buffer is used to store display data of the display panel; as well as The data conversion module is used to read the driving sequence in the storage module, read the corresponding display data from the buffer according to the driving sequence, and convert and generate a synchronization signal according to the driving sequence.

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