| 摘要 |
<p>Electric field sensing element (1) comprising a metal oxide selected from the group consisting of tin dioxide, titanium dioxide and zinc oxide and an insulator covering the metal oxide, and further comprising optical functional layer (5) whose visible light transmittance value is changed by application of electric field and first and second electrode layers (7,9) having the optical functional layer (5) interposed therebetween.</p> |
