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- Title
Design of Metal-mesh Electrode-based Touch Panel for Preventing Back-surface Touch Error.
- Authors
Kyoung Soo Chae; Yun Ki Hong; Hyun Jun Kim; Jae Youn Jeong; Tae Hee Han
- Abstract
We demonstrated a metal-mesh electrode-based touch screen panel that does not have backsurface touch error (BTE) due to panel bending. It was fabricated with a 7-inch double-layer structure by the roll-to-roll process. Samples with various mesh pitch ratios for the sensing (Rx) and driving (Tx) electrodes were prepared and tested. BTE removal was ensured at touch pressures below 650 gf with mesh pitch ratios of less than 0.25 for the Tx/Rx electrodes. The linewidth of the fabricated electrode was 3 µm, and the transmittance was 87.51% at 550 nm. At this time, the mesh pitch of the Tx electrode was set to 220 µm, and that of the Rx electrode was 880 µm.
- Subjects
TOUCH screens; METALS; ELECTRODES; INDIUM tin oxide; ELECTRIC capacity
- Publication
Sensors & Materials, 2019, Vol 31, Issue 2, Part 3, p587
- ISSN
0914-4935
- Publication type
Article
- DOI
10.18494/SAM.2019.2003