Panel size: 56-inch
- Number of pixels: 3,840 x 2,160
- Display elements: OLED (organic light-emitting diode)
- Drive circuit: Oxide semiconductor TFT
- Special structural characteristics: Super Top Emission
- Other Characteristics: undisclosed
Sony Corporation has unveiled the first 4K (3840 x 2160) OLED (organic light-emitting diode) television at CES 2013. Sony claims that the TV is the world’s first and largest 56-inch OLED TV achieves 4K resolution by using the latest oxide semiconductor TFTs and Sony’s own ‘Super Top Emission’ technologies.
Up until now, in order to force light through the OLED layer, OLED TVs used low-temperature polysilicon (LTPS) thin-film transistors (TFTs). However, there were some challenges inherent in the manufacture of large OLED displays.
Using oxide semiconductor TFTs Sony has been able to produce this new larger display. The new OLED component’s structure also incorporates Sony’s own ‘Super Top Emission’ technology, which has been incorporated in other products already introduced into the market. This ‘Super Top Emission’ technology has a high aperture ratio and enables light to be extracted efficiently from the structure’s OLED layer.