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Simultaneous UV embossing method for fabricating two parallel organic layers with different hydrophilicity |
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| Authors: | Yong Young Park Young Mok Son Lyongsun Pu Yoon Shik Hong |
| Affiliation: | a Nano Fabrication Center, Samsung Advanced Institute of Technology (SAIT), Republic of Korea b Flexible Display Program Team, Materials and Devices Research Center, SAIT Mt. 14-1, Nongseo-Ri, Giheung-Eup, Yongin-Si, Gyeonggi-Do 449-712, Republic of Korea c SOM Team, Central Research Institute, Samsung Electro-Mechanics Co. Ltd. (SEMC), Republic of Korea d eMD Laboratory, Central Research Institute, SEMC 314, Metan 3-Dong, Paldal-Gu, Suwon-Si, Gyeonggi-Do 442-743, Republic of Korea |
| Abstract: | We developed a simultaneous UV embossing method to fabricate bank-shaped, two parallel layers with different surface properties in a one-step processing using the mold having loop-shaped protrusions. In conjunction with ink-jet technology, the molded pattern could be used as barrier ribs for particular flat panel displays. We choose the layer materials so that the bottom ink-philic one absorb jetted ink and the top ink-phobic one expel jetted ink. Therefore, the structure prevents ink from staining the barrier ribs’ surface and from mixing between adjacent pixels. The structure could be an effective barrier ribs for manufacturing of color filter of a liquid crystal display or light emitting layer of an electroluminescent display with high throughput. |
| Keywords: | UV embossing Barrier rib Protrusion Ink-jet Hydrophilicity |
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