In China, a new breakthrough has been made in the field of full

  • With their work, the research team has created the world's first reflective electronic display, which is capable of displaying full motion video while also displaying print-quality color images and maintaining good visibility in all lighting conditions.

    The display is based on the electrowetting display principle, and significant advancements have been made in the technology by incorporating a new, 5.8-inch TFT active matrix panel with extremely high transmission, a new display driver capable of addressing the reflective panel with 18-bit color signals, and a revolutionary display architecture based on layered switching of the base colors used in coexistence.

    The first time the world has seen a full-color movie with realistic colors on a reflective display, according to Professor Zhou, is this year. Also contributing to this record-breaking performance are the dyes that are being used by the color layers, which are also produced by the SCNU team.

    Professor Alex Henzen, a founding member of the SCNU team and technical leader on e-paper, demonstrated a prototype tablet computer using a new 5.8-inch e-paper display. In the words of Professor Alex Henzen: "This reflective, sunlight readable tft  display will revolutionize the e-reader and tablet markets, reducing display energy requirements by several orders of magnitude and providing days of continuous color video on a single battery charge, as well as allowing users to finally enjoy reading tablets in bright sunlight."

    High contrast, low power consumption, and a wide color gamut are just a few of the advantages of electrowetting color video e-paper for outdoor billboards.

    Since demonstrating color and monochrome e-paper outdoor billboard components to potential customers two years ago, the team has been working to improve the technology and application of e-paper in outdoor billboards. The pixel structure has been changed in the most significant way. As a result of a new process and the technology described in the preceding section, the team was able to significantly optimize the structure in terms of both size and shape, increasing the display pixel aperture to more than 80% while increasing the contrast ratio to more than 10:1. It enhances the color and brightness of the display. Furthermore, a dye synthesis team has optimized the dye formula, which has increased contrast and color gamut to a level comparable to magazine color print (SWOP) and television display (sRGB), among other things.

    Specifically, the team will demonstrate four new prototypes: two reflective color display panels with variations in the way light is reflected, and two monochrome reflective panels, one of which approaches the brightness of paper with some angle dependence, while the other achieves 40% reflectance while maintaining a fully diffuse image. All prototypes are fully video capable, and they deliver 6 bits greyscale or 18 bits color, depending on the configuration.

    For many years, the e-reader market awaited the arrival of a color video e-paper display. For education and outdoor applications, this is a massive and demanding market. Professor Zhou stated that the high demand for online learning during the epidemic this year highlights the need for reflective color video display technology in the future. Our display technology is perfectly matched to the comprehensive set of features that these devices require. In the summer of 2021, we will launch our first application product. The team anticipates that the industrialization of this technology will begin in 2021.

    An institute for electronic paper displays at South China Academy of Advanced Optoelectronics of South China Normal University was established in 2012 by a group of original core members of Philips' e-paper display research and development team. The Institute's primary focus is on the research, development, and industrialization of green optoelectronic technologies, with color electronic paper displays with video capability and other advanced features being the most significant challenges. Since receiving a grant from the National Research and Development Program of China (No. 2016YFB0401500), the institute, in collaboration with 12 other institutes, has increased the pace of innovation and made significant strides in the preceding year.