| 摘要 |
PROBLEM TO BE SOLVED: To provide a transparent display substrate enhanced in appearance by making a weldline incospicuous. SOLUTION: The transparent substrate 30 is produced by charging a molten material in a mold to mold the same, and the back of the transparent substrate 30 is provided with recessed graduations 42. The weldlines W formed by allowing the molten material to meet with each other are formed so as to be overlapped with the recessed graduations 42. COPYRIGHT: (C)2008,JPO&INPIT
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