Evaluation of UV-curability of Photo-curable Materials for Acid Free Pressure Sensitive Adhesive

Park, Ji Won; Lee, Sueng=woo; Yoo, Yeong-Eun; Chung, Hee Soon; Jang, Won-Bum; Kim, Hyu-Joong

doi:10.2494/photopolymer.24.553

Cited by 3 publications

(1 citation statement)

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“…When OCA is directly bonded to ITO film, the acid component must be excluded for the durability of the ITO film. Prolonged contact with acid can cause touch problems by reacting with metal, which makes surface resistance to increase [7]. It is also important for OCA to minimize air bubbles to reduce defects.…”

Section: Introductionmentioning

confidence: 99%

Pressure-Sensitive Adhesives for Flexible Display Applications

Lee¹,

Kim²,

Lee³

et al. 2020

Hybrid Nanomaterials - Flexible Electronics Materials

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Pressure-sensitive adhesives (PSA) have been used in electronics for not only attachment of two materials but also shock absorption, thermal and electrical conductivity, electromagnetic shielding, and optical property. Optically clear adhesives (OCA) have been used as a core material for optical performance of display. In addition to basic properties of OCA such as adhesion strength, transmittance, haze, and reliability, it has required dielectric constant, gap filling, and anticorrosion according to a substrate. However, the structural and functional changes of flexible display bring challenges to OCA that protects vulnerable components such as thin-film transistor, OLED, and thin-film encapsulation by stress dispersion and adjustment of a neutral plane. At the same time, flexibility and existing properties are essential. In this chapter, the development of components and performance of OCA, and evaluation methods will be discussed.

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Section: Introductionmentioning

confidence: 99%