| 摘要 |
A retardation plate includes a first substrate, a retardation film disposed on the first substrate, a second substrate larger than the first substrate and covering the retardation film, a third substrate disposed such that the first substrate lies between the second substrate and the third substrate, and an inorganic sealing member air-tightly binding the second substrate and the third substrate together so as to air-tightly enclose the retardation film.
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