Journal of IKEEE (전기전자학회논문지)

Institute of Korean Electrical and Electronics Engineers (한국전기전자학회)
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A Studies on the Characteristics of Reliability Test by Automotive Touch Screen Silver Pastes

자동차 터치스크린용 실버페이스트 종류에 따른 신뢰성 테스트 특성 연구

  • Kim, Jung-won (Dept. of Electronics Engineering, Korea Polytechnic University) ;
  • Choi, Ung-se (Dept. of Electronics Engineering, Korea Polytechnic University)
  • Received : 2016.04.20
  • Accepted : 2016.06.28
  • Published : 2016.06.30
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Abstract

In this paper, different types of touch screen silver pastes for bonding in conductive pattern formed over the ito film by bonding each sample of 5 was dried. The dry conditions, the oxidation of the ito film is a condition that does not occur. Reliability testing constant temp and humidity, cold-hot impact test is in progress. Each test will check the status of five sheets conductive pattern bonding. Conductive pattern bonding, after each 240,480,615 hours to check the status of silver pattern bonding. Reliability testing these through different silver pastes can see that the change in the adhesion and conductivity deterioration of the quality can be prevented, and reliability testing low temperature curing from the surface of silver pastes that can come as soon as the discoloration was unknown.

본 논문에서는 서로 다른 터치스크린용 실버페이스트를 본딩 방식으로 ITO 필름(ITO : Indium Tin Oxide film)위에 전도성 패턴을 형성하고 5장씩 본딩하여 건조 하였다. 여기서 건조 조건은 ITO 필름( ITO film)이 산화가 발생하지 않는 조건 이다. 신뢰성 테스트는 열 충격테스트와 고온 고습테스트를 진행한다. 각 테스트는 5장씩의 전도성 패턴 본딩상태를 확인한다. 전도성 패턴본딩을 각 240, 480, 615 시간 마다 상태를 확인하였다. 이러한 신뢰성 테스트 통해 서로 다른 실버페이스트의 접착력, 전도성의 변화 등을 알 수 있으므로 품질 저하를 막을 수 있다. 그리고 저온경화 실버페이스트는 표면에 변색이 빨리 올 수 있음을 알 수 있었다.

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References

  1. Seong-Sun Jo,"Turbulent automotive display market", ICT Spot Issue, Information and Communication Technology Promotion Center, Mar. 2015.
  2. E.Y. Heo, "Narrow Bezel", Displaybank research team, vol. 22, NOV-DEC. 2012.
  3. M. Trends, and M. Kwak, "Smart Phones Touch Technology Trends", KETI Display Components and Materials Training Center, Feb. 2011..
  4. Mi-Young, Lee, Seong-hyun, Kim, Su -Yong, Nam, "A Study on Properties of Organic Thin-film ransistors Fabricated by Screen Printing Method", 119, 2008.
  5. Effect of Dispersant Contents on the Dispersity of Conductive Carbon-black and Properties of Screen-printed Source-drain Electrodes for OTFTs Polymer(Korea), Vol. 33, No. 5, pp. 397-406, 2009.
  6. D. Pantea, H. Darmstadt, S. Kaliaguine, and C. Roy, Appl. Surf. Sci., 217, 181, 2003. https://doi.org/10.1016/S0169-4332(03)00550-6
  7. K. Y. Kim, Y. S. Kim, D. J. Kim, J. D. Jo, and S. Y. Nam, "A Development on Touch screen electrode fabricated by Screen printing", 1, 617, Korea Society of Precision Engineering Conference Proceedings, 2011.
  8. Y. Higuchi, "A Study of High Accuracy Screen Printing Method(HADOP)-Improvement for HADOP System and Application to Color Filters, J. of Printing Science and Technology", 43(1), 7, 2006.