Glass substrates for AMLCD applications: properties and implications

Josef C. Lapp

doi:10.1117/12.270278

10 April 1997 Glass substrates for AMLCD applications: properties and implications

Josef C. Lapp

Proceedings Volume 3014, Active Matrix Liquid Crystal Displays Technology and Applications; (1997) https://doi.org/10.1117/12.270278
Event: Electronic Imaging '97, 1997, San Jose, CA, United States

Abstract

Since its introduction almost two years ago, Corning's code 1737 AMLCD substrate glass has received strong market support. Some of this was anticipated as this glass offers several obvious improvements over existing substrates; however, some came unexpectedly as AMLCD manufacturers discovered new attributes offered by this glass. Chief among these anticipated improvements were a higher glass strain point, translating into a substrate with greater thermal stability; a lower density, resulting in lower weight and less gravitational sag; improved chemical durability, allowing more aggressive etching conditions; and a coefficient of thermal expansion more closely matched to silicon, opening up the possibility of chip-on-glass. Some of the unanticipated benefits include greater strength and a natural tendency of the glass to get sodium from silica barriers layers. This paper will review the development of Code 1737 glass, outlining the benefits it brings to the technical, commercial, and manufacturing development of next generation AMLCD's.

Citation Download Citation

Josef C. Lapp "Glass substrates for AMLCD applications: properties and implications", Proc. SPIE 3014, Active Matrix Liquid Crystal Displays Technology and Applications, (10 April 1997); https://doi.org/10.1117/12.270278

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