Samsung Display Co., Ltd.

Jennifer J Galela

Jiuzhi Xue

David Morris Hoffman

A display device includes: an optical sensing array to detect light; a backlight to emit light toward a surface of the display device; and a thin optical film layer at the surface of the display device, the thin optical film layer being configured to, while a first shear force is being applied at a first point of contact at the surface of the display device, reflect light having a first wavelength at a front area ahead of the first point of contact in a direction of the first shear force, and reflect light having a second wavelength at a back area behind the first point of contact opposite the front area, the first wavelength being different from the second wavelength.

Apparatus and method for detecting surface shear force on a display device

According to one or more embodiments of the present invention, a method for fusing metal nanowire junctions in a conductive film includes applying a constant current through the conductive film including a plurality of metal nanowires and a plurality of metal nanowire junctions, or conducting an ultrasonic welding of the metal nanowire junctions.

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San Carlos, CA, United States of America

Jennifer J Galela