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2차 차수 미끄럼모델을 적용한 노즐의 분사구 각도 변화가 유기물의 증착에 미치는 영향에 관한 수치적 연구
차중원(Jung-Won Cha),강정석(Jung-Seok Kang),신규식(Gyu-Sik Shin),한상욱(Sang-Wook Han),양시영(Si-Young Yang),김형민(Hyung-Min Kim) 대한기계학회 2019 대한기계학회 춘추학술대회 Vol.2019 No.11
A key part of the panel process for manufacturing high-definition displays is the deposition of OLED organic material on to substrates. In the deposition process, a Fine-Metal-Mask(FMM) is located at the front of the substrate for deposition of organic material on the desired base plate. The organic material is deposited on the substrate through a small hole in the FMM. In addition, deposition takes place in the chamber of the high-vacuum state, so that organic material becomes very sparse, so analysis and prediction of deposition require very high refinement and detail. In this study, 2nd order slip models were applied to the walls of the deposition chamber which maintained a very low pressure. According, in order to increase the deposition rate of organic material injected through the surface type nozzle, it was analyzed the change of the velocity at the location of the panel due to the change of the angle of the injection hole in the surface type nozzle.