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논문 기본 정보

자료유형
학술대회자료
저자정보
Park, Jae-Yong (Display R&D Team, Doosan Mecatec Co., Ltd.) Han, Seok-Yoon (Display R&D Team, Doosan Mecatec Co., Ltd.) Lee, Nam-Hoon (Display R&D Team, Doosan Mecatec Co., Ltd.) Choi, Jeong-Og (Display R&D Team, Doosan Mecatec Co., Ltd.) Shin, Ho-Seon (Display R&D Team, Doosan Mecatec Co., Ltd.)
저널정보
한국정보디스플레이학회 한국정보디스플레이학회 International Meeting 한국정보디스플레이학회 2008년도 International Meeting on Information Display
발행연도
2008.1
수록면
873 - 878 (6page)

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Doosan Mecatec has developed alignment system for Organic Light-Emitting Diode (OLED) display production using large size substrate. In the present article, The alignment system between the substrate and the mask, which is a core technology for producing the OLED product using the fourth-generation substrate with $730{\times}920mm^2$ or more, will be described by dividing into a substrate loader, a magnet unit, a CCD camera, etc. The substrate loader is optimized through the simulation where the central portion of the substrate droops by about 1.5mm by clamping each of a long side (920mm direction) and a short side (730mm direction) thereof by 6 point and 4 point. A magnet unit using a sheet type of rubber magnet is constituted and a CCD camera model with the specifications capable of minimizing the errors between a clear image and the same image is selected. The system to which an upward evaporation technique of small molecular organic materials will be applied has been developed so that repeatability and position accuracy becomes ${\pm}1{\mu}m$ or less using an UVW type of stage. Also, the vision accuracy of the CCD camera becomes ${\pm}1{\mu}m$ or less and the align process TACT becomes 30sec. or less so that the final alignment accuracy between the substrate and the mask becomes ${\pm}3{\mu}m$ or less. In order to meet an extra-large glass substrate, an evaporation system using an extra-large AMOLED substrate has been developing through a vertical type of an alignment system.

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