METHOD FOR MANUFACTURING GLASS SUBSTRATE FOR DISPLAY AND METHOD FOR MANUFACTURING FLAT PANEL DISPLAY

• Main Authors: NAKAO YASUMASA, KASE JUNICHIRO, MIYAMOTO MIKIHIRO
• Format: Patent
• Language: English
• Published: 22.12.2011
• Subjects: BASIC ELECTRIC ELEMENTS; CHEMISTRY; DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING; ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS; ELECTRICITY; FREQUENCY-CHANGING; GLASS; MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES; METALLURGY; MINERAL OR SLAG WOOL; NON-LINEAR OPTICS; OPTICAL ANALOGUE/DIGITAL CONVERTERS; OPTICAL LOGIC ELEMENTS; OPTICS; PHYSICS; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF

PROBLEM TO BE SOLVED: To provide a glass substrate for a display, which suppresses deflection during conveyance and thermal warpage due to heat treatment.SOLUTION: The glass substrate for a display has a rectangular shape with short sides of ≥300 mm and has a substrate thickness of 0.3-6 mm, wherein in-plane deviation stress of the substrate, due to residual strain, measured in the substrate thickness direction is distributed in a compression direction along the periphery of the substrate, and a maximum value of deviation compressive stress in a direction parallel to each side in the vicinity of the side is ≥0.3 MPa.