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J. Korean Ceram. Soc. > Volume 39(3); 2002 > Article
Journal of the Korean Ceramic Society 2002;39(3): 226.
doi: https://doi.org/10.4191/kcers.2002.39.3.226
적색안료인 α-Fe2O3와 투명 유전체의 반응
김봉철, 한용수1, 송윤호, 서경수, 이진호, 이남양2, 박이순3, 이병교4
한국전자통신연구원 반도체${\cdot}$원천연구소 정보표시소자팀
1엘지전자 디지털 디스플레이 연구소 PDP B/P팀
2LG.Philips LCD LCD 연구소
3경북대학교 고분자공학과
4경북대학교 무기재료공학과
Reaction of α-Fe2O3 Red Pigment and Transparent Dielectric Materials
Bong-Chul Kim, Yong-Soo Han1, Yoon-Ho Song, Kyung-Soo Suh, Jin-Ho Lee, Nam-Yang Lee2, Lee-Soon Park3, Byung-Kyo Lee4
Applied Device Department, Korea Electronics and Telecommunications Research Institute
1PDP B/P Team., Digital Display Research Lab., LG Electronics Inc.
2R&D Center, LG.Philips LCD Co., Ltd.
3Dept. of Polymer Science, Kyungpook National Univ.
4Dept. of Inorganic Materials Science & Engineering, Kyungpook National Univ.
We searched thermal stability of ${alpha}-Fe_2O_3$ using red color filter for display. In the PDP(Plasma Display Panel), the color filter layer is lied normally between front glass and transparent dielectric materials, so it might be needed to study the reaction of ${alpha}-Fe_2O_3$ and transparent dielectric materials. The transparent dielectric materials containing ZnO has good transparency. Red colorlayer of ${alpha}-Fe_2O_3$ contacted with dielectric material layer containing ZnO is changed to colorlessness over 500$^{circ}$C because ZnO defuse ${alpha}-Fe_2O_3$, the dielectric materials without ZnO, however, maintain red color at the same condition. We suggest that a layer contacting with ${alpha}-Fe_2O_3$ red color layer has to lie with transparent dielectric materials without ZnO, then the materials containing ZnO is coated over to get color of ${alpha}-Fe_2O_3$ for red color filter.
Key words: Color filter, ${\alpha}-Fe_2O_3$, Dielectric material, Display
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