GLASS ARTICLES WITH ELONGATE MICROSTRUCTURES AND LIGHT EXTRACTION FEATURES

• Main Authors: SENARATNE, Wageesha, KANUNGO, Mandakini, LI, Shenping, QUESADA, Mark Alejandro, MI, Xiang-Dong
• Format: Patent
• Language: English; French; German
• Published: 23.12.2020
• Subjects: BLASTING; CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS; CHEMISTRY; FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMSTHEREOF; GLASS; HEATING; JOINING GLASS TO GLASS OR OTHER MATERIALS; LIGHTING; MECHANICAL ENGINEERING; METALLURGY; MINERAL OR SLAG WOOL; OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS; OPTICS; PHYSICS; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS; SURFACE TREATMENT OF GLASS; WEAPONS

Glass articles and glass light guide plates are disclosed that can be used in a backlight unit suitable for use as an illuminator for liquid crystal display devices. The glass article comprises a glass sheet including a first major surface comprising a plurality of channels or elongate microstructures, which can be separated by a non-zero spacing, the glass sheet further comprising a second major surface opposite the first major surface, and at least one of the first major surface and the second major surface comprising light extraction features formed therein. The glass article can be a light guide plate part of a backlight unit including a plurality of light emitting diodes arranged in an array along at least one edge surface of the glass sheet.