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LG had a dream.

The company says it’s the first in the world ready to mass produce OLED panels with blue phosphorescence, a project 20 years in the making. It calls it “the final piece of the ‘dream OLED’ puzzle.”

Following reports it had developed the tech last year, LG now says it’s ready to manufacture tandem panels that use both fluorescence and phosphorescence, reducing power consumption by 15 percent, starting with smartphones and tablets.

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