Ahead of Frieze L.A., Lewis opened his debut solo show “Tuning The Signals”—his first large presentation on the West Coast.

Art District on Santa Fe: 5:30 to 9:30 p.m. RiNo: 6 to 9 p.m. Tennyson Street: 6 to 10 p.m.

Because the dual panels don't have to get as individually bright, well-designed tandem OLED displays might not drain a laptop battery as quickly as a single-panel OLED, and well-designed tandem OLEDs ...