One of the world leaders in the production of displays is the Japanese company Japan Display Inc. (JDI) has begun to actively develop a range of energy-saving displays. In 2016, the company entered into a partnership agreement with the Chinese company E Ink Holdings, related to the use of electronic ink technology. As a result, this year’s development was presented, showing displays with a density of 400 and 600 PPI. Currently, the most advanced displays with a density of up to 300 PPI are installed on electronic devices Amazon Kindle Paperwhite, Oasis and Kobo Aura One. Developers from Japan Display claim that the new LTPS technology, based on the use of low temperatures in the manufacture of displays, allows for electronic clarity of image quality comparable to that of smartphones. The use of high-resolution electronic paper is available for use in e-books or mobile wearable devices, for example, as an additional monitor on the back of the smartphone. It is also planned to use E-Ink panels for gadgets from the “Internet of Things”, where low-cost energy and well visible in the sun displays will show good consumer properties. The viewing angle will be 180 °.