Universal display showcases all-phosphorescent white OLED luminaire in under-cabinet application as example of near-term lighting product opportunity.
The company announced also advances in the company’s white OLED lighting technology and showcased a potential application using white OLED lighting panels. The company’s recent achievements further
demonstrate the readiness of all-phosphorescent white OLED panels for use in introductory energy-efficient lighting products.
UDC reported that their 15x15cm² warm white PHOLED panel which is using the new stacked SOLED architecture reach the US Department of energy commercial panel target of 10.000 hours. With a luminance of 3000 candelas per square meter by more than 20 percent.
This SOLED design incorporates more layers as a means to significantly extend device lifetime. The single RGB OLED design should require fewer steps to manufacture, while the stacked OLED design can enhance lifetime performance and is gaining momentum in the industry. Using the all-phosphorescent SOLED design, the company’s 15 x 15 cm2 white OLED lighting panel achieves 90,000 hours (to 70% of an initial luminance of 1,000 cd/m2), a luminous efficacy of 55 lumens per Watt (lm/W) and a color rendering index (CRI) of 86. This corresponds to a similar white SOLED pixel that achieves 120,000 hours (to 70% of an initial luminance of 1,000 cd/m2), 63 lm/W, and a CRI of 83.
Dr. Vadim Adamovich, Research Team Leader at Universal Display publish also a new paper named:
High Performance Phosphorescent White Stacked OLEDs for Solid State Lighting.
