The TFT-LCD industry touched the bottom in 2011, then has warmed up slowly since 2012 and is expected to reach its peak in early 2015, but it will fall into another lengthy decline stage by 2016. After the TFT-LCD industry slumped, TFT-LCD vendors in different countries chose varying countermeasures. South Korean vendors represented by Samsung strived to explore the OLED field. In Japan, Sharp transferred to be a small and medium-sized panel vendor, produced mobile phone panels with 8.5-generation lines and vigorously developed IGZO technology. Hitachi, Sony and Toshiba set up a joint venture —— Japan Display (referred to as JDI) to develop LTPS technology. Taiwanese vendors developed 4K HD technology. Chinese mainland vendors promoted the construction of new production lines at low costs aggressively. As a result, Chinese mainland vendors are the most notable winners, followed by Taiwanese and Japanese counterparts, while Samsung is the biggest loser.
South Korean vendors chose the wrong direction, because the current-based OLED can not replace the voltage-based LCD due to following factors. Firstly, OLED requires LTPS technology, which means its cost is much higher than LCD. Secondly, the resolution of current-based components is difficult to raise, but LCD has huge potentials in terms of resolution. Thirdly, OLED’s quality is not steady for its employment of unstable chemical materials, and its luminous efficiency decays as time goes by, which is another fatal flaw. In the small and medium-sized field, Japanese vendors make advantage of LTPS and IGZO to occupy technical high grounds, and Taiwanese vendors lead the global LCD trend with 4K for the first time.
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Samsung shows over-reliance on OLED, and its LCD business has gradually crept down. It not only lags behind INNOLUX under