Hanwang e-paper book 1. This is a high-tech digital product. The screen adopts the world's most advanced electronic ink technology and has a paper-like display. It will not hurt your eyes when reading for a long time and is very comfortable;
2. Hanwang e-book has obtained more than 100 national patents (you see, there is a patent number on the back of the fuselage)
3. It has been included in the National Spark Project
4. In 2008, it was selected by Shenzhou VII to go into space (we know that the product requirements for Shenzhou VII are very strict. First, it must be free of radiation, because radiation will interfere with the operation of precision instruments in the space capsule; ② It is thin, light and convenient. After all, the space capsule It’s a place where every inch of land is at a premium.)
5. The Great Hall of the People is currently in use (this year’s CPPCC meetings in Beijing have begun to gradually ban paper materials), and now many government officials and business executives , and business people are also using them
Nowadays, many brands of electronic paper books have appeared, but for Hanwang’s display screen, only one manufacturer in Taiwan has such technology and was bought out by Hanwang. There are many others. They all want to achieve a paper-like effect, and they actually use some liquid crystals to reduce the grayscale and other values ????to visually produce a paper-like screen. In fact, it is not, so you must be careful when choosing. You can get If the screen does not change when exposed to sunlight and can still be viewed from all angles under strong light, then the screen has e-ink technology. Hanwang's electronic paper books are very suitable for people who love reading. If you are a student, you can also choose D21A, because it has 5 major English dictionaries, and you can also translate them in time, and you can save unfamiliar words to deepen your memory later.