Touch Sensors: Low‐Cost Fabrication Method for Thin, Flexible, and Transparent Touch Screen Sensors (Adv. Mater. Technol. 9/2020)

Kim, Seong-Jun; Phung, Thanh Huy; Kim, Seora; Rahman, Md. Khalilur; Kwon, Kye‐Si

doi:10.1002/admt.202070053

Cited by 1 publication

(2 citation statements)

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“…The working mechanism of the capacitive‐type TSPs could be found in Ref. [5, 6, 67] By connecting the TSP to a laptop and employing the MS paint program, the TSP can be operated by a human finger or a stylus pen to draw pictures (Figure 8c, Video S6, Supporting Information) and write characters (Figure 8d, Video S7, Supporting Information). The writing and drawing could be done over the entire touch area without any disconnected lines or defects, demonstrating the outstanding uniformity and touch sensitivity of the TPS device.…”

Section: Resultsmentioning

confidence: 99%

“…With the advent of the information age, optoelectronic devices including displays (liquid crystal displays (LCDs) [ 1 ] and light‐emitting diodes (LEDs) [ 2,3 ] ), touch screen panels, [ 4–8 ] solar cells, [ 9–11 ] smart windows, [ 12 ] etc. are increasingly used in our daily lives, continuously enriching and facilitating our lives.…”

Section: Introductionmentioning

confidence: 99%

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Fabrication of Flexible and Transparent Metal Mesh Electrodes Using Surface Energy‐Directed Assembly Process for Touch Screen Panels and Heaters

Yuan,

Fan,

Wang

et al. 2023

Advanced Science

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Transparent conductive electrodes (TCEs) are indispensable components of various optoelectronic devices such as displays, touch screen panels, solar cells, and smart windows. To date, the fabrication processes for metal mesh‐based TCEs are either costly or having limited resolution and throughput. Here, a two‐step surface energy‐directed assembly (SEDA) process to efficiently fabricate high resolution silver meshes is introduced. The two‐step SEDA process turns from assembly on a functionalized substrate with hydrophilic mesh patterns into assembly on a functionalized substrate with stripe patterns. During the SEDA process, a three‐phase contact line pins on the hydrophilic pattern regions while recedes on the hydrophobic non‐pattern regions, ensuring that the assembly process can be achieved with excellent selectivity. The necessity of using the two‐step SEDA process rather than a one‐step SEDA process is demonstrated by both experimental results and theoretical analysis. Utilizing the two‐step SEDA process, silver meshes with a line width down to 2 µm are assembled on both rigid and flexible substrates. The thickness of the silver meshes can be tuned by varying the withdraw speed and the assembly times. The assembled silver meshes exhibit excellent optoelectronic properties (sheet resistance of 1.79 Ω/□, optical transmittance of ≈92%, and a FoM value of 2465) as well as excellent mechanical stability. The applications of the assembled silver meshes in touch screen panels and thermal heaters are demonstrated, implying the potential of using the two‐step SEDA process for the fabrication of TCEs for optoelectronic applications.

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Section: Resultsmentioning

confidence: 99%