Novel pixel circuit and driving method of AM-OLED for mobile application

Tetsuro Yamamoto; Junichi Yamashita; Akira Yumoto; Mitsuru Asano; Katsuhide Uchino; Mitsunobu Sekiya; Tatsuya Sasaoka; Tetsuo Urabe

doi:10.1117/12.684667

5 December 2006 Novel pixel circuit and driving method of AM-OLED for mobile application

Tetsuro Yamamoto, Junichi Yamashita, Akira Yumoto, Mitsuru Asano, Katsuhide Uchino, Mitsunobu Sekiya, Tatsuya Sasaoka, Tetsuo Urabe

Author Affiliations +

Proceedings Volume 6333, Organic Light Emitting Materials and Devices X; 633309 (2006) https://doi.org/10.1117/12.684667
Event: SPIE Optics + Photonics, 2006, San Diego, California, United States

Abstract

We succeeded in the mass production of the 3.8-inch Half-VGA AM-OLED display, which is the largest one in the commercialized OLED displays. A new pixel circuit and a driving method for Low Temperature Poly-Si (LTPS) TFT were developed. The new pixel circuit and driving method can compensate not only the Vth variations but also the mobility variations of LTPS TFT. Consequently, we can achieve good pixel-to-pixel luminance uniformity.

Citation Download Citation

Tetsuro Yamamoto, Junichi Yamashita, Akira Yumoto, Mitsuru Asano, Katsuhide Uchino, Mitsunobu Sekiya, Tatsuya Sasaoka, and Tetsuo Urabe "Novel pixel circuit and driving method of AM-OLED for mobile application", Proc. SPIE 6333, Organic Light Emitting Materials and Devices X, 633309 (5 December 2006); https://doi.org/10.1117/12.684667

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