IGZO (InGaZnO) is an oxide comprising indium (In), gallium (Ga), and zinc (Zn). A thin-film transistor using this material has been developed by Sharp in collaboration with Semiconductor Energy Laboratory Co., Ltd. (a company based in Kanagawa, Japan, and led by President Shunpei Yamazaki).
Kameyama Plant No. 2 first started operations in August 2006, manufacturing highly advanced LCD panels for TVs. Production systems have subsequently been reorganized to focus on producing small- and medium-sized LCD panels for the world’s rapidly growing smartphone and tablet terminal markets.
Employing advanced IGZO oxide semiconductors enables Sharp to produce LCDs with smaller thin-film transistors and increased pixel transparency, thus allowing for lower energy consumption. In addition, proprietary UV2A photo-alignment technology employed in Sharp’s AQUOS LCD TVs enables these displays to achieve high image quality. Ultraviolet-induced multi-domain Vertical Alignment (UV2A) is a photo-alignment technology that precisely controls the alignment of LCD molecules in a simple LCD panel structure.
Sharp will encourage the application of its new high-resolution LCD panels to high-definition notebook PCs and LCD monitors—which are both expected to grow in demand—as well as to mobile devices. Sharp will also contribute to creating markets for attractive new products.
Source: Sharp Corporation
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