For over 15 years, Corning Eagle XG™ Glass has been a mainstream display substrate in the industry. Recently, it is also used as a back‐lighting unit (BLU) component, a Glass Diffuser Plate (GDP), to enable “Zero‐Border” Design (ZBD) LCD TV. In this article, we first review requirements of BLU of ZBD TV, and contrasts Eagle XG™ against a polymeric and other glass materials to demonstrate the benefit of its use. We also discuss the origin of edge light leakage, a bright line artifact, seen in ZBD TV. Through our simulation, we demonstrate that Corning's precise cutting tolerance (± 0.1 mm) and bottom cut edge finishing of GDP leads to light leakage reduction (~40%). In addition, we investigated the impact of GDP size control and thickness, and GDP‐optical film lamination geometry on the edge light leakage.
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