High aspect ratio microdisplay and thin optical component for glass-like AR devices
- Authors
- Kang, Chan-mo; Shin, Jin-Wook; Choi, Sukyung; Kwon, Byoung-Hwa; Cho, Hyunsu; Cho, Nam Sung; Lee, Jeong-Ik; Lee, Hyunkoo; Lee, Jeong Hwan; Kim, Hokwon; Cho, Ara; Park, Sang Hyun; Kim, Minseok; Park, Soon-gi; Kim, Youngjoon; Ha, Jeonghun; Kim, Jaehyeok; Kim, Sang Tae; Lee, Jong Soo; Lee, Seung No; Im, Yu Bin; Byun, Chun-Won
- Issue Date
- Sep-2021
- Publisher
- TAYLOR & FRANCIS LTD
- Keywords
- AR; VR; AR device; OLED; OLED microdisplay
- Citation
- JOURNAL OF INFORMATION DISPLAY, v.22, no.3, pp 163 - 171
- Pages
- 9
- Journal Title
- JOURNAL OF INFORMATION DISPLAY
- Volume
- 22
- Number
- 3
- Start Page
- 163
- End Page
- 171
- URI
- https://scholarworks.sookmyung.ac.kr/handle/2020.sw.sookmyung/146506
- DOI
- 10.1080/15980316.2021.1902405
- ISSN
- 1598-0316
2158-1606
- Abstract
- Organic light-emitting diode (OLED) microdisplays have attracted much attention as displays for small form factor augmented reality (AR) devices. To realize glass-like thin and wide field of view (FoV) AR devices, we designed a display module with a high aspect ratio microdisplay and a thin optical component. For the high aspect ratio microdisplay, we developed the color OLED microdisplay with a 32:9 aspect ratio and a 0.8-inch diagonal similar to 2,490-ppi CMOS backplane. To express color and reduce optical crosstalk, we fabricated the color filter (C/F) patterning directly on the white OLED. We also developed a pin mirror lens with 11 pin mirrors to improve the optical efficiency and quality with a thin lens. By combining the microdisplay with LetinAR's pin mirror lens, we successfully demonstrated an AR device with a wide horizontal FoV of 46 degrees but with a small form factor 4 mm lens.
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