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백색 LED 조명의 색좌표 보정을 위한 고점도 형광체 정량 토출 공정 연구
김수완(S. W. Kim),양영진(Y. J. Yang),당현우(H. W. Dang),양봉수(B. S. Yang),김현범(H. B. Kim),최경현(K. H. Choi) 한국소성가공학회 2014 금형가공 심포지엄 Vol.2014 No.8
For the chromaticity correction it is necessary to dispense the high viscosity phosphor slurry as it affects white LED performance. However, it is difficult to dispense high viscosity fluorescent materials. In this study of micro-discharge in a variety of electrostatic printing technology viscosity for the dispensing of high viscosity phosphor slurry. We can use electrostatic printing technology to dispense the various high viscosity phosphor slurries. We have dispensed up to 50ug by the DOD discharge experiments conducted according to the process variables such as applied voltage, pneumatic pressure, frequency.