| 초록 |
Colorfilter is a key component for rendering color images in liquid crystal display panel. The colorfilter layer is fabricated with colorants of red, green, and blue color from either dyes or pigments. The requirements of colorants for LCD colorfilter are as follows; high color purity, high transmittance, and high stability against heat, light and chemicals. Currently, the colorfilter is usually manufactured by pigment-dispersed method using pigments as colorants but this method is complicated and lowers transmittance of colorfilter due to low dispersity of pigments. To develop simpler process and obtain better optical properties, ink-jet printing method using dyes can be an alternative, but most dyes for this method have lower durability than pigments. Therefore, in this study various azo dyes were designed and synthesized from the viewpoint of thermal stability. The effect of dye concentration and heating time on the thermal resistance of the colorfilter was also investigated. |
