1. M. Oh-e, M. Ohta, S. Aratani, and K. Kondo ; Proceeding of the 15th International Display Research Conference (Asia Display '95) p.577.
2. M. Ohta, M. Oh-e, and K. Kondo ; Proceeding of the 15th International Display Research Conference (Asia Display '95)p. 707.
3. K. Kondo, K. Kinugawa, N. Konishi, and K. Kawakami ; SID '96 Digest No. 8.1 (San Diego, USA, May 1996).