The Ministry of Trade, Industry and Energy (MOTIE) held a meeting of the Korea Industrial Technology Evaluation Committee jointly with LG Display on the results of the transparent flexible display government policy task on June 22 at Olympic Park Hotel in Seoul.
LG Display has been in charge of the development of UD class transparent flexible display more than 60 inches in size, and the development of an infotainment system in fusion with IT. The participants were Vice Minister Lee In-ho; President Yeo Sang-deok of LG Display; members of the KITEC; members of the Korea Display Industry Association; and research staff among some 100 participants. On display at the meeting room were various future-type fusion products to demonstrate what it’s like when the 4th Industrial Revolution is realized, with the likes of an augmented reality (AR) aquarium and SMART DESK using large OLED flexible displays.
The 77-inch transparent display is a medium-term development product, an improved version in size and resolution compared to the 55-inch “FHD” version put on display at the Consumer Electronics Show in Las Vegas early this year.
The 77 inch UHD comes with a screen resolution of 3840x2160, 40 percent penetrance, 80 mm radius curvature, which can be converted to cylindrical form with radius of 80 mm. LG Display worked on the technology for five years at the cost of 1,262 billion won, divided into three major detailed areas for development: panel, equipment and user interface. New markets for the use of OLED exist in automobiles, the construction of public buildings and educational facilities through the technologies developed in the process of the R&D on 77-inch transparent and flexible radius curvature technology development were possible.
For example, OLED can be used in windows and TVs with the selection of light transmission and shading. 18 companies in both “front” and “rear” industries participated in the effort to upgrade themselves in equipment and fusion areas.
OLEDs ― organic light-emitting diodes ― are thin patches of material that emit light in response to an electric current, liberating lighting from the bulb and chip form factors. Vendors such as LG offer both rigid and flexible forms. Proponents believe they will be built into the fabric of luminaires, buildings, furniture, textiles, clothing, and many other things, hailing a radically different lighting world and throwing open a world of new design possibilities and flair.
Some 163 students from 14 colleges and universities participated in the task and wrote 162 papers by the end of last year, expanding the industry and academic projects as well as the educational base, contributing to firmly widening Korea’s lead over its competitor countries in the OLED market as the only massive producer of the product in the world. Korea’s OLED market share stood at 96 percent in 2016 with Japan, China and Taiwan sharing 1 percent each.
Vice Minister Lee In-ho said the results of the R&D showed that the development of the transparent and flexible technologies in OLED will enable OLED to be used in construction, cars and medicine, not limited to smart phones and TVs.
LG's production modernization reaffirms its commitment to OLEDs for general lighting, emphasizing light quality, style, design and imaginatively, weaving them into fabrics of buildings. One genre of OLED lighting that LG showed off in Frankfurt was home lights on display at Light+Building.
The company hopes to start mass production on the new line in the first half of 2017, said Joon Park, vice president and head of OLED lighting sales and marketing for LG Display, in announcing the ramp-up at the Light+Building (L+B) 2016 exhibition.
Park said that OLEDs bring enormous advantages to general lighting, including design and a much healthier light quality. Compared to LEDs, OLED lighting is much more like natural sunlight, has superior color rendering, and is free of potential blue light health risks.
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