| 摘要 |
The end surfaces of a transparent substrate to be adhered to an element-formed substrate are disposed outwardly of the corresponding end surfaces of the element-formed substrate, and the end surfaces of a transparent substrate to be adhered to an opposite substrate are disposed outwardly of the corresponding end surfaces of the opposite substrate, so that stepped portions are formed, with an adhesion portion being formed between the corresponding end surfaces. As a result, in the case where a surface of the element-formed substrate and a surface of the transparent substrate to be adhered to the element-formed substrate are adhered together and a surface of the opposite substrate and a surface of the transparent substrate to be adhered to the opposite substrate are adhered together with a transparent adhesive, an amount by which the transparent adhesive protrudes beyond the end surfaces is greatly reduced, and any portion of the transparent adhesive which has overflown outwardly of any of the adhered surfaces can be retained by the corresponding stepped portion, making it possible to prevent further spreading of the transparent adhesive.
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