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Optoelectronics/Displays  

LG's Flexible AMOLED first to use a-Si technology

Posted: 28 Jun 2007  Print Version  Bookmark and Share

Keywords:active-matrix OLED  AMOLED  OLED  amorphous silicon 

LG.Philips LCD claims to have developed the first full-color flexible active-matrix OLED (AMOLED) display using amorphous silicon (a-Si) technology. To develop the solution, LG.Philips LCD partnered with Universal Display Corp., which holds the original patents for phosphorescent OLED (PHOLED) technology.

LG.Philips LCD's 4-inch full-color flexible AMOLED display features 320 x 240 QVGA resolution and can reproduce 16.77 million colors. At an ultrathin 150µm, this display is barely thicker than a human hair. It uses a stainless metal foil substrate to ensure durability and protection against heat, which improves the manufacturing process and enhances product stability.

"This display capitalizes on the strengths of OLED technology and its image quality is really something to behold," said Hyunhe Ha, executive VP and the head of the small and medium displays business unit at LG.Philips LCD. "Although we are still in the initial stages with this technology, we expect to make some exciting advances in the near future."

OLED technology is recognized as an optimal technology for use in flexible displays. It allows LG.Philips LCD to develop a flexible display with improved durability and reliability while delivering full-color and high-resolution. Most importantly, using a-Si backplane technology allows LG.Philips LCD to use its existing TFT-LCD production line for these AMOLEDs, a major step toward demonstrating the commercial viability of such products. LG.Philips LCD says it is the first company to employ the technology.




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