| 摘要 |
A method for simultaneously forming a spacer and an alignment protrusion is provided to reduce the manufacturing cost of a substrate and the number of manufacturing processes. A substrate(200) is prepared and a light shielding layer(205) is formed on the substrate. Thereafter, the contour of plural sub pixel areas is defined. Plural color filters are formed at the sub pixel areas. A transparent electrode layer(220) is formed on the light shielding layer and the color filter. A transparent photo resist layer is formed on the transparent electrode layer. Plural spacers and alignment protrusions of the transparent photo resist layer are simultaneously patterned by means of a half-tone mask at the lithography process. The light shielding layer is constructed by chromium or black photosensitive resin. The thickness of the black photosensitive resin is about 1 to 2 micrometer.
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