Ultrathin glass substrate for flexible OLED displays also serves as gas barrier

Oct. 15, 2014
As noted in Tech-On!, Nippon Electric Glass (NEG; Ōtsu, Japan) exhibited what it claims is the world's thinnest glass plate -- "G-Leaf" glass plate with a thickness of 30 μm -- at Ceatec Japan 2014 (Oct 7 to 11, 2014; Chiba Prefecture, Japan).
A flexible OLED display is made with 50-μm-thick glass. (Image: Tech-On!)

As noted in Tech-On!, Nippon Electric Glass (NEG; Ōtsu, Japan) exhibited what it claims is the world's thinnest glass plate -- "G-Leaf" glass plate with a thickness of 30 μm -- at Ceatec Japan 2014 (Oct 7 to 11, 2014; Chiba Prefecture, Japan).

NEG makes ultrathin glass plates to be used as substrates for flexible displays, functional glass materials, and so on. At the trade show, the company also introduced a flexible OLED display made by using a 50-μm-thick version of G-Leaf.

Overflow method
NEG manufactures ultrathin glass plates via a technology called the "overflow method." The company succeeded in making a glass plate having a uniform thickness of 30 μm by adjusting the temperature at which glass is manufactured and the speed at which it is stretched.

Ultrathin glass plates are expected to be used as the substrate materials of flexible displays. Though plastic materials are often used for the substrates of flexible OLED displays, they transmit oxygen, water vapor, etc., accelerating the deterioration of light-emitting elements. Therefore, it is necessary to form a gas-barrier sealing layer on a plastic substrate, increasing costs. On the other hand, an ultrathin glass plate functions as a gas barrier, eliminating the need for the gas-barrier sealing layer.

Source: http://techon.nikkeibp.co.jp/english/NEWS_EN/20141011/382042/

Sponsored Recommendations

March 31, 2025
Enhance your remote sensing capabilities with Chroma's precision-engineered optical filters, designed for applications such as environmental monitoring, geospatial mapping, and...
March 31, 2025
Designed for compatibility with a wide range of systems, Chroma's UV filters are engineered to feature high transmission, superior out-of-band blocking, steep edge transitions...
March 31, 2025
Discover strategies to balance component performance and system design, reducing development time and costs while maximizing efficiency.
March 31, 2025
Explore the essential role of optical filters in enhancing Raman spectroscopy measurements including the various filter types and their applications in improving signal-to-noise...

Voice your opinion!

To join the conversation, and become an exclusive member of Laser Focus World, create an account today!