학술논문
TRIZ-based Improvement of Glass Thermal Deformation in OLED Deposition Process
이용수 16
- 영문명
- 발행기관
- 한국산업경영시스템학회
- 저자명
- Woo-Sung Lee(이우성) Jin Young Choi(최진영)
- 간행물 정보
- 『산업경영시스템학회지』제40권 제1호, 114~123쪽, 전체 10쪽
- 주제분류
- 경제경영 > 경영학
- 파일형태
- 발행일자
- 2017.03.30
4,000원
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국문 초록
영문 초록
The global small and mid-sized display market is changing from thin film transistor-liquid crystal display to organic light emitting diode (OLED). Reflecting these market conditions, the domestic and overseas display panel industry is making great effort to innovate OLED technology and incease productivity. However, current OLED production technology has not been able to satisfy the quality requirement levels by customers, as the market demand for OLED is becoming more and more diversified.
In addition, as OLED panel production technology levels to satisfy customers’ requirement become higher, product quality problems are persistently generated in OLED deposition process. These problems not only decrease the production yield but also cause a second problem of deteriorating productivity. Based on these observations, in this study, we suggest TRIZ-based improvement of defects caused by glass pixel position deformation, which is one of quality deterioration problems in small and medium OLED deposition process. Specifically, we derive various factors affecting the glass pixel position shift by using cause and effect diagram and identify radical reasons by using XY-matrix. As a result, it is confirmed that glass heat distortion due to the high temperature of the OLED deposition process is the most influential factor in the glass pixel position shift. In order to solve the identified
factors, we analyzed the cause and mechanism of glass thermal deformation. We suggest an efficient method to minimize glass thermal deformation by applying the improvement plan of facilities using contradiction matrix in TRIZ. We show that the suggested method can decrease the glass temperature change by about 23% through an experiment.
목차
1. 서 론
2. OLED 공정
3. 원인 분석 및 개선 과제 도출
4. 트리즈 기반 글래스 열변형 개선안 적용
5. 결 론
해당간행물 수록 논문
- TRIZ-based Improvement of Glass Thermal Deformation in OLED Deposition Process
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