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BSI BS IEC 61747-40-5:2018

Liquid crystal display devices -- Mechanical testing of display cover glass for mobile devices. Strength against dynamic impact by a sharp object with the specimen rigidly supported
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BSI BS IEC 61747-40-5:2018

Liquid crystal display devices -- Mechanical testing of display cover glass for mobile devices. Strength against dynamic impact by a sharp object with the specimen rigidly supported

PUBLISH DATE 2018
PAGES 16
BSI BS IEC 61747-40-5:2018

This part of IEC 61747 is a mechanical performance testing procedure for cover glass used in electronic displays in mobile devices. This document focuses on the measurement of surface impact energy required to fracture a specimen due to the collision of sharp particles onto the surface of a cover glass. This is achieved by dropping a ball on a sheet of coated abrasives placed on the cover glass, which is rigidly supported. The failure mode is associated with damage introduction via sharp contact. Crack propagation is enhanced by central tension in the case of strengthened glass. This failure mode represents one of several field failure modes observed in mobile devices.

SDO BSI: British Standards Institution
Document Number IEC 61747-40-5
Publication Date March 12, 2018
Language en - English
Page Count
Revision Level
Supercedes
Committee EPL/100
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