| 摘要 |
PROBLEM TO BE SOLVED: To improve coloring in a reflection mode of dark display by eliminating the variation of polarization in the light wavelength band, and approximately circular-polarizing the light in the reflection mode. SOLUTION: A λ/4-wave plate 7 is arranged on the opposite plane of the side where a counter electrode 4 of a substrate 2 is formed, and further, a λ/4-wave plate 10 is arranged on the opposite plane of the side where a reflecting electrode 3 and a transparent electrode 8 of a substrate 1 are formed, and the lagging axis, of the λ/4-wave plate 10 is set so as to be perpendicular to that of the λ/4-wave plate 7. A λ/2-wave plate 11 is arranged on the other side of the substrate 2 of the λ/4 board 7 and a λ/2-wave plate 12 is arranged on the other side of the substrate 1 of the λ/4-wave plate 10, respectively, and the lagging axis of the λ/2-wave plate 11 is set to be 60 degrees tilted against that of λ/4-wave plate 7; the lagging axis of the λ/2-wave plate 12 is set to be 60 degrees tilted against that of λ/4-wave plate 10; and the lagging axis of the λ/2-wave plate 12 is set to be perpendicular to that of the λ/2-wave plate 11. |
