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US 8,300,184 B2Granted
Color filter substrate
AssigneeLG Chem, Ltd.
InventorsKeon Woo Lee, Sang Kyu Kwak, Jong Hwi Hwang, Beom Su Park, Chang Ho Cho, Sung Hyun Kim, Seung Hee Lee, Bog Ki Hong, Dong Kung Oh, Chang Soon Lee, Kyoung Hoon Min
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Abstract
A color filter substrate is provided. In the color filter substrate, transparent protective films are formed on respective sub-pixels of a color filter. The color filter substrate has improved electric field characteristics without the need for additional optical or circuit compensation to achieve an improvement in contrast and a reduction in color difference.
Claims9
A color filter substrate comprising
- a color filter and
- transparent protective films formed on respective sub-pixels as color filter layers of the color filter,
- wherein the difference in height between the highest point of each of the transparent protective films and a reference plane defined as the highest level of the corresponding color filter layer is not greater than 0.1 μm, and
- wherein the edges of the transparent protective film are below the reference plane.
1 more element
Dependencies are inferred from the claim text.