The E-Ink technology is a technology with a promising future, widely commercialized by the E-INK company. The content displayed on the E-INK (also known as E-Paper) display does not degrade when exposed to direct sunlight, the display actually behaves like a real paper; it is more readable when there is more light hitting its surface.
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The most distinctive feature of the E-Paper displays is their very low power consumption and the ability to retain the information, even after disconnecting from the power source. The power is consumed only when the display content is changing. There is a wide range of applications where E-Ink technology can be implemented: it can be used for very low power consumption applications that require display output, such as mobile phones and wearables, industrial and packaging applications, electronic reading and writing, electronic shelf labels and similar applications that can utilize this type of display.
The E-Paper 2.9" display is based on Active Matrix Electrophoretic Display (AMEPD) technology and has an integrated pixel driver, which uses the SPI interface to communicate with the host MCU. The display itself has 24pin flat printed cable, used to connect to the host controller. A perfect solution for easy connection is offered in a form of a Click board™. The eINK click offers a high-quality ZIF FFC/FPC connector for a simple connection with the E-Paper display. Besides the easy connection, it offers a temperature sensor (LM75) required for thermal compensation of the display, so it can be operated in a wide temperature range. This sensor uses I2C interface to communicate directly with the E-Paper 2.9" display integrated driver IC.
The E-Paper 2.9" display has resolution of 128(V) X 296(H) pixels and an active display area of 29.05 X 66.89. The size of its square shaped pixels is 0.226 X 0.227mm. The screen displays a clear and crisp graphics, and has an ultra-wide viewing range, thanks to the used technology. Another key feature of the E-Ink technology is the extremely low power consumption, even when the display actively refresh its content.
|Type||Electronic Paper Display|
|Key Features||Electrophoretic display technology, 10:01 contrast ratio, bistable display, DC/DC converter, SRAM, timing control logic, gate buffer, source buffer, ambient temperature sensor.|