OLED vs LED Lighting: Is there room for OLED Lighting? (1/2)

IDTechEx Research finds that in its “most likely” forecasts scenario OLED lighting will become a $1.3 billion market in 2023 – equating to 1.3% of the market size of LED lighting at that time.

A report by IDTechEx “OLED vs LED Lighting 2013-2023” finds that OLED lighting is likely to struggle to define and communicate its unique selling points and may remain an over-priced and under-performing option compared to LED lighting, unless Apple-like design innovation occurs.

OLED lighting companies will inevitably have to capitalise on superior design features to carve out niche markets in the hospitality, shopping and architectural sectors. Profits for panel makers will be squeezed due to stiff competition and value will migrate downstream to fixture/luminaire designers, who will be the demand creators.

OLED lighting performance today – efficiency and lifetime

OLED displays are growing quickly but their lighting counterparts are still actively trying to define their unique selling points vis-à-vis LED lighting. Today, they lag behind in terms of efficiency. This is because LEDs regularly offer 90-100 lm/W at package level (the LED chip encapsulated), while OLED modules are still in the region of 20-50lm/W. The lifetime of LEDs far exceed that of OLEDs.

Indeed, LED lamps regularly offer in excess of 50,000 hours, which is why they initially found a niche market in out-of-reach outdoor applications. In contrast, OLED lighting offers 5,000 to 15,000 hours of operational life even when encapsulated.

Cost

LED lighting is also now low cost, selling at $5/klm at package level (luminaires costs $20-$100/klm). Contrast this with the extortionate price of OLED today. They cost $300-$500/klm at panel level, excluding the cost of fixture design, retail, installation and profit margins.

The main cost drivers are the encapsulation layer (barrier, adhesive and desiccant) and integrated substrates (transparent conductive layer, substrate and out-coupling layer).

In the current configuration, cavity glass is used as the barrier. This is expensive because (a) additional processing is required (sand blasting) to carve out a cavity, and (b) large glass manufacturers are reluctant to commit production capacity given the low demand. (Excerpt from Electronics Weekly)


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