Along with the increase of the demand for Ultra-High-Definition (UHD) such as 8K, a tremendously large bit-rate data transmission will be required inside home and among consumer devices. For 8K video, a required transmission speeds will be up to 240 Gb/s. Conventional metal cables such as serial digital interfaces are not suitable for UHD application, because of increases in electric consumption and electro-magnetic interference. Therefore, the key is to implement optical fibers into every corner of homes and consumer devices. It means a paradigm-shift from electrical wire to optical fiber. Recently, we have a discovery that the novel graded-index plastic optical fiber (GI POF) with specified micro-heterogeneities in core of fiber dramatically reduces the modal noise, resulting in the stable data transmission without optical isolator and precise alignment. This novel GI POF is being paid a lot of attention to as one of the strongest candidates for supporting UHD displays and tablets especially in consumer photonics.
We have successfully proposed and developed both the new zero-birefringence polymer films and ultra-high birefringence polymer films towards real-color high-definition displays ahead of the world. The new zero-birefringence polymer exhibits always “zero-birefringence” for deformation of polymer chains, adding stress to polymer, and changing temperature. The ultra-high birefringence polymer films have been already commercially used in LCD TV, and have been developed for new type displays including both LED and OLED. These polymers eliminate the long-standing issue of birefringence which causes color irregularities, and realizes the extremely real color for ultra-high definition display.
Yasuhiro Koike, "Advanced photonics polymer for real color imaging systems towards 8K era (Conference Presentation)," Proc. SPIE 10557, Ultra-High-Definition Imaging Systems, 105570G (Presented at SPIE OPTO: February 01, 2018; Published: 14 March 2018); https://doi.org/10.1117/12.2300756.5751515712001.
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