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46‐3: Invited Paper: Design and Process of 2D Backlight Beyond HDR 5000 Nits
Author(s) -
Akimoto Hajime,
Yamamoto Atsushi,
Washio Hajime,
Nakano Taketoshi
Publication year - 2021
Publication title -
sid symposium digest of technical papers
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.351
H-Index - 44
eISSN - 2168-0159
pISSN - 0097-966X
DOI - 10.1002/sdtp.14761
Subject(s) - backlight , brightness , computer science , chip , process (computing) , reflector (photography) , computer graphics (images) , materials science , computer hardware , liquid crystal display , optics , optoelectronics , physics , telecommunications , light source , operating system
HDR 2D‐backlight designs and some process for each of automotive/monitor, mobile device, and future Reality applications are presented. On‐chip lens and confining wall reflector structure are suitable for automotive/monitor applications, and 5,000nits of peak brightness will be performed in real usage. The white LED chip architecture is proposed for mobile applications of 2‐1mm thin backlight. The power efficiency is evaluated to be almost double, and the 500lux ambient light contrast is 5 times larger than a 15.6‐inch OLED display. The 0.5mm thin film backlight with micro‐LED chips for Reality applications is proposed.