Lightbulbs Are Becoming Obsolete

Organic Light Emitting Diodes (OLEDs) can be used to create light emitting surfaces instead of lights that emit from a single point like bulbs. This makes the light more diffuse and more power efficient. Current OLED surfaces are made in panels or sheets, but eventually could be included in many surfaces in household items, like walls and furniture.

Imagine entire room interior surfaces capable of being dynamically manipulated like a computer desktop and we will have something close to a holodeck house.

Lighting Sheets Would Use Half as Much Power as Lightbulbs – [technologyreview.com]

OLEDs are highly efficient but expensive. Better materials and manufacturing methods are changing that.

The next big thing in lighting could be glowing sheets that use half as much energy as an equivalent fluorescent fixture and can be laminated to walls or ceilings. The sheets will contain organic LEDs, or OLEDs—the same kind of technology used in some ultrathin TVs and smartphones.

OLEDs could be used in large sheets, because organic light-emitting molecules can be deposited over large surfaces. They also run cooler than LEDs, so they don’t require elaborate heat sinks, making a lighting structure simpler. OLED lighting is 10 to 100 times more expensive than conventional lighting, but as costs come down, it could eventually replace conventional fluorescent fixtures.

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