Transparent and flexible led-embedded display film using micro metal mesh
Journal of Mechanical Science and Technology(2024)
摘要
Transparent and flexible displays have garnered attention in relation to digital signage, smart windows, AR devices, and healthcare applications. In this paper, a simple, cost-effective and highly conductive form factor of a transparent and flexible LED-embedded display film is proposed. Via UV imprinting, a micro metal mesh structurally having a high aspect ratio and that features a line width of 12 µm and a thickness of 29 µm was fabricated. It exhibits transmittance of 84.6 % at 550 nm and sheet resistance of 0.124 Ω/sq. A bending test was conducted to demonstrate the flexibility resulting from the mesh structure. The fabrication of a LED-embedded display was achieved through pinnacle die punching to create a perforated region in the film. The display, which measures 10×12 cm with an integrated 8×8 LED array, was demonstrated under bending conditions within a bending radius of 30 mm. Anticipated applications encompass head-mounted displays and head-up displays.
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关键词
Transparent display,Flexible display,Micro metal mesh,Transparent conductive film,UV imprinting
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