Display data transmission method and electronic device
A technology for displaying data and electronic devices, applied in the field of display data transmission methods and electronic devices, can solve problems such as high cost and average energy consumption, and achieve the effects of reducing power consumption, improving user experience, and improving battery life.
Active Publication Date: 2018-08-17
莆田市贤哲贸易有限公司
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Problems solved by technology
A display in video mode saves cost by eliminating the need for a frame buffer; however, the host computer periodically sends video packets in high-speed mode and consumes a large amount of average power
In the command mode, if the monitor displays a static picture, that is, the picture has not changed or updated, the MIPI controller will not transmit data, which can reduce the power consumption of the electronic device, especially when the user does not switch the display content on the electronic device The longer the time, the lower the power consumption, but the disadvantage is that the cost is higher
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[0023] In order to make the object, technical solution and advantages of the present invention clearer, various embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. However, those of ordinary skill in the art can understand that, in each implementation manner of the present invention, many technical details are provided for readers to better understand the present application. However, even without these technical details and various changes and modifications based on the following implementation modes, the technical solution claimed in each claim of the present application can be realized.
[0024] The first embodiment of the present invention relates to a transmission method of display data. The method can be used in smart phones or tablet computers (PAD), and the method can use two modes to transmit display data between the central processing unit and the display device, and when certain preset conditions are ...
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The invention relates to the display technology and discloses a display data transmission method and an electronic device. In the display data transmission method, if a first mode is adopted for transmitting display data between a central processing unit and a display device and a first preset switching condition is met, the first mode is switched to a second mode for transmitting the display data between the central processing unit and the display device; if the second mode is adopted for transmitting the display data between the central processing unit and the display device and a second preset switching condition is met, the second mode is switched to the first mode for transmitting the display data between the central processing unit and the display device, wherein the first mode and the second mode are a video mode or a command mode, and the first mode and the second mode are different. According to the display data transmission method and the electronic device, the video mode and the command mode are comprehensively adopted for transmitting the display data between the central processing unit and the display device, and the two modes can be switched according to practical situations, so that the power consumption is greatly lowered, and the user experience is improved.
Description
technical field [0001] The invention relates to display technology, in particular to a display data transmission method and an electronic device. Background technique [0002] Mobile Industry Processor Interface ("MIPI") is a display standard for mobile devices, including video mode (Display Serial Interface Video Mode, hereinafter referred to as "VIDEO MODE") and command mode (Display Serial Interface Command Mode , hereinafter referred to as "COMMAND MODE") two display modes. [0003] The video mode is similar to the traditional RGB interface, and the host needs to continuously refresh the display. Since no dedicated data signal is used to transmit synchronous information, the control signal and RGB data are transmitted through the MIPI bus in the form of a message, so the display does not need a frame buffer, and the host needs to periodically refresh the display. [0004] In command mode, the MIPI bus controller uses display commands to send a stream of pixel data to t...
Claims
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IPC IPC(8): G06F3/14G06F1/32
CPCG06F1/3265G06F3/1415
Inventor 杨旭东费小平黄兆松张爱峰黄青青薛文静李亚军金成林郭继仁
Owner 莆田市贤哲贸易有限公司