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- Title
Transparent and flexible led-embedded display film using micro metal mesh.
- Authors
Jo, Munhyung; Kim, Dong Jin; Lee, Seung S.; Tahir, Usama
- Abstract
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.
- Subjects
FLEXIBLE display systems; METAL mesh; LED displays; HEAD-up displays; HEAD-mounted displays; ELECTROCHROMIC windows
- Publication
Journal of Mechanical Science & Technology, 2024, Vol 38, Issue 1, p357
- ISSN
1738-494X
- Publication type
Article
- DOI
10.1007/s12206-023-1229-4