Abstract
An 852/spl times/600/spl times/3-pixel, organic light-emitting diode (OLED)-on-silicon, color microdisplay utilizing a subthreshold-voltage-scaling method is presented. The pixel current is modulated between 250 pA and 25 nA. With a pixel pitch of 5/spl times/15 /spl mu/m/sup 2/, the display contains 1.5 million individually addressable pixels sampling video signals at a maximum rate of 56.25 MHz, supports 15 video modes, and displays as many as 16 million colors. The 16.28/spl times/14.2 mm/sup 2/ monolithic display is implemented in a commercially available, 0.35-/spl mu/m, single-poly four-metal 3.3 V/4.0 V CMOS process with the 10 million transistor system consuming 300 mW for PC applications. The SVGA+ active matrix OLED system provides a complete, integrated, analog interface microdisplay solution with minimal external components. DC-coupled RGB inputs with separate external vertical and horizontal synchronization inputs are accepted in accordance with the VESA VSIS standard. A fourth analog input is provided for composite monochrome, compatible with the SMPTE-170 standard.
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