Seiko Epson was first to recognize the enormous power savings of MLA drive compared with conventional line-at-a-time STN drive.  Details are presented in the paper referenced below.

T. Kurumisawa, A. Ito, S. Yamazaki and S. Iino, "High-Performance Ultra-Low Power 640x200 Reflective STN Display System Using Four-Line Selection Method", 1996 SID Digest of Technical Papers, 351-354.

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