Large-size OLED Development Status: good product into a bottleneck in a low rate
While mobile phones and digital media players and other small electronic equipment market have become the symbol of a high-end technology, but in the field of large-size display, OLED is still developing slowly or lag behind. At the end of March 2010, Sony announced to stop the supply of OLED TVs in the Japanese market because of poor sales of such products in the market. Sony OLED TV is a pioneer in launching the company, it immediately turned around at this time caused widespread concern about the industry. LG's 15-inch OLED before TV sales in European countries, but expensive (equivalent to 50-inch LED TV prices).
In the development of OLED technology, the major manufacturers to be outdone, have put into the development and manufacture of OLED panels. Japanese electronics giant Matsushita Electric 3, Canon and Hitachi also announced the formation of strategic alliances, joint development of OLED panels business. Up to now, Samsung, several large-size OLED TVs frequent appearances at the show, LG already has a flexible display technology, Panasonic is also keen on the size of the OLED TV-level research. Even so, OLED TV to market volume still has not seen movement.
South Korea launched five on behalf of the Department of Enterprise line of large-size TV panels production
According to UBIndustryResearch investigation, Samsung OLED sales in 2009 accounts for 73% global market share. Samsung's the SMD company has the world's largest OLED panel production line. Starting from the first half of this year, Samsung will invest 1.3 billion large-scale build 5th generation line for the production of large-size TV panels, OLED market gradually use its transition to TV from mobile phone applications.
But Samsung executives last year in March, said at a public occasion, because of technical and production costs facing many problems, so OLED at least 4-5 years before the mainstream TV market.
Scale is not even 1% of SMD to the LG Group, Samsung, under strong pressure, had to re-integrate its LG Electronics, LGDisplay and LG Chemical three subsidiaries, joint ventures, OLED Division. First, the acquisition of LG seventies of last century pioneered the development of this technology Kodak's ultra-thin OLED display technology research and development business. Then started purchasing in March this year, production equipment, ready to build 5th generation line, into TV applications.
Now it seems that Samsung and LG in the Large size OLED to increase product development and layout Maozuliaojin, they were scheduled in May 2010 and 2011 launch of OLED notebook computer and television.
Disadvantages are obvious advantages of OLED technology
OLED display technology-driven approach based primarily on different categories, divided into passive drive OLED (PM-OLED) and active matrix driving OLED (AM-OLED) are two. Compared with the PM-OLED, AM-OLED has more advantages: AM-OLED prepared using a TFT (thin film transistor) display graphics back as substrate, it can get larger display capacity, better display quality, a longer life, thereby making OLED TV display.
Compared with the current market mainstream LCD, OLED has many advantages: First, OLED can be self-luminous, and only need to light up the unit will power, but you need the lamp for LCD backlighting, so OLED LCD brightness higher than , greater contrast, more rich color effects, and because a large number of tubes does not require a backlight, OLED voltage is lower, therefore, more energy-efficient; Secondly, OLED structure of the composition of the solid-state, no liquid material, so a better seismic performance, not afraid wrestling; response time is one-thousandth of LCD TVs, motion picture shows absolutely no smear phenomenon; and it is almost no viewing angle problems, even under a large viewing angle, the screen still is not distorted.
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