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  • Writer's pictureTruly Semiconductors

Smart watch display MIPI interface

Did you know that our smart watch displays are often driven via the MIPI interface?


Display Serial Interface for MIPI (DSI)


Smart phones, tablets, smart watches, and other embedded display applications all make advantage of the high-speed MIPI DSI interface. The Display Serial Interface, or DSI, is a serial communication protocol created by the Mobile Industry Processor Interface Alliance (MIPI). To enable high resolution and refresh rates, other display interfaces like RGB and parallel need more pins. With the same level of performance, the MIPI display serial interface requires fewer pin connections.


High-level graphics are a benefit of MIPI DSI displays, which also feature less complicated signal routing, PCB designs, and higher hardware costs. The MIPI interface transmits data at high frequencies up to 1Gb/s via low voltage differential signaling. Low voltage signaling is used for communication, which has the advantage of low power consumption. Through a productive and effective interface, the MIPI DSI protocol enables designers to combine high speed, low power, and low EMI on the displays.


To prolong battery life, the MIPI DSI interface may operate at extremely low power levels. Due to the fact that equal amounts of positive and negative data and clock lanes are used for signaling, these displays also emit extremely little electromagnetic interference. To further lessen interference on peripheral devices, this interface can be used at a variety of data transmission rates.


Because it offers high resolutions and color depths without increasing the number of necessary data lines, MIPI is a well-liked option in the display sector. The simplicity of connectivity, which lowers system complexity and overall cost, benefits display applications is a desired interface for smart wearable product designers.


Click here to browse a list of our AMOLED smart watch displays in a variety of sizes you may incorporate to your design.


Below is an example drawing of our 1.3" 360*360 AMOLED module.





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