Last week we announced LG’s breakthrough 55-inch OLED TV on this blog and now we have some detailed information to share about the new TV and the technology it uses. The 55-inch panel is expected to be a significant step forward in the popularization of OLED (Organic Light Emitting Diodes) TVs and demonstrates the effective application of AM OLED technology to larger panel sizes at a more cost efficient level. Until now OLED screen have been available only in small devices such as cell phones and tablet computers but all of this is about to change.
LG Display’s 55″ OLED TV panel produces remarkable image quality with no image retention due to its high reaction velocity, as well as high contrast ratio of over 100,000:1 and wider colour gamut than that produced by LCD panels.
OLED, a medium that controls pixels is a departure from LCD panels which utilize liquid crystals. The new technology allows light emitting diodes to self-generate light and features a reaction velocity to electric signals over 1000 times faster than liquid crystal.
The environmentally conscious will also appreciate LG Display’s 55″ OLED TV panel. While light sources in backlight units, like LCD panels, must always be kept on, the OLED panel allows diodes to be turned on or off which enables lower power consumption than conventional LCD panels.
With no need for a special light source, LG Display’s 55″ OLED TV panel is also able to utilize a simplified structure thinner than that of a pen (5mm), and lighter than LCD panels. The panel’s minimalist structure also allows for the realization of unique design elements.
Although industry watchers anticipate OLED as the future of TV display, to date, the technology has faced challenges due to limitations on the sizes of displays it can be applied to and a high level of investment required. LG Display has successfully addressed these issues with its 55″ OLED TV panel.
The panel adopts an Oxide TFT technology for backplane which is different from a Low Temperature Poly Silicon (LTPS) type generally used in existing small-sized OLED panels. The Oxide TFT type that LG Display utilizes is similar to the existing TFT process, with the simple difference lying in replacing Amorphous Silicon with Oxide. Moreover, the Oxide TFT type produces identical image quality to high performance of LTPS base panels at significantly reduced investment levels.
Additionally, LG Display uses White OLED (WOLED). WOLED vertically accumulates red, green, and blue diodes. With white colour light emitting from the diode, it displays screen information through colour layers below the TFT base panel, which leads to a lower error rate, higher productivity, and a clearer Ultra Definition screen via the benefits of small pixels. Further, it is possible to realize identical colours in diverse angles via colour information displayed through a thin layer. Lower electricity consumption in web browsing environments for smart TVs is another key strength of WOLED.
The world’s first 55″ OLED TV panel from LG Display will be on display at the upcoming CES 2012.
Please visit http://www.lgdisplay.comfor more information.
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