Ultra-high resolution and high-brightness AMOLED

Ihor Wacyk; Amal Ghosh; Olivier Prache; Russell Draper; David A. Fellowes

doi:10.1117/12.920795

21 May 2012 Ultra-high resolution and high-brightness AMOLED

Ihor Wacyk, Amal Ghosh, Olivier Prache, Russell Draper, David A. Fellowes

Proceedings Volume 8383, Head- and Helmet-Mounted Displays XVII; and Display Technologies and Applications for Defense, Security, and Avionics VI; 83830Q (2012) https://doi.org/10.1117/12.920795
Event: SPIE Defense, Security, and Sensing, 2012, Baltimore, Maryland, United States

Abstract

As part of its continuing effort to improve both the resolution and optical performance of AMOLED microdisplays, eMagin has recently developed an SXGA (1280×3×1024) microdisplay under a US Army RDECOM CERDEC NVESD contract that combines the world's smallest OLED pixel pitch with an ultra-high brightness green OLED emitter. This development is aimed at next-generation HMD systems with "see-through" and daylight imaging requirements. The OLED pixel array is built on a 0.18-micron CMOS backplane and contains over 4 million individually addressable pixels with a pixel pitch of 2.7 × 8.1 microns, resulting in an active area of 0.52 inches diagonal. Using both spatial and temporal enhancement, the display can provide over 10-bits of gray-level control for high dynamic range applications. The new pixel design also enables the future implementation of a full-color QSXGA (2560 × RGB × 2048) microdisplay in an active area of only 1.05 inch diagonal. A low-power serialized low-voltage-differential-signaling (LVDS) interface is integrated into the display for use as a remote video link for tethered systems. The new SXGA backplane has been combined with the high-brightness green OLED device developed by eMagin under an NVESD contract. This OLED device has produced an output brightness of more than 8000fL with all pixels on; lifetime measurements are currently underway and will presented at the meeting. This paper will describe the operational features and first optical and electrical test results of the new SXGA demonstrator microdisplay.

Citation Download Citation

Ihor Wacyk, Amal Ghosh, Olivier Prache, Russell Draper, and David A. Fellowes "Ultra-high resolution and high-brightness AMOLED", Proc. SPIE 8383, Head- and Helmet-Mounted Displays XVII; and Display Technologies and Applications for Defense, Security, and Avionics VI, 83830Q (21 May 2012); https://doi.org/10.1117/12.920795

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