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http://dx.doi.org/10.4191/KCERS.2002.39.3.226

Reaction of α-Fe2O3 Red Pigment and Transparent Dielectric Materials  

Kim, Bong-Chul (Applied Device Department, Korea Electronics and Telecommunications Research Institute)
Han, Yong-Soo (PDP B/P Team., Digital Display Research Lab., LG Electronics Inc.)
Song, Yoon-Ho (Applied Device Department, Korea Electronics and Telecommunications Research Institute)
Suh, Kyung-Soo (Applied Device Department, Korea Electronics and Telecommunications Research Institute)
Lee, Jin-Ho (Applied Device Department, Korea Electronics and Telecommunications Research Institute)
Lee, Nam-Yang (R&D Center, LG.Philips LCD Co., Ltd.)
Park, Lee-Soon (Dept. of Polymer Science, Kyungpook National Univ.)
Lee, Byung-Kyo (Dept. of Inorganic Materials Science & Engineering, Kyungpook National Univ.)
Publication Information
Abstract
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
Keywords
Color filter; ${\alpha}-Fe_2O_3$; Dielectric material; Display;
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