| 摘要 |
PURPOSE:To hold the secret of displayed content by allowing the displayed content of a liquid crystal display element to be viewed only in a specified case. CONSTITUTION:When the displayed content of the liquid crystal display element is viewed, a user wears dedicated spectacles 11 on which an analyzer 12 is stuck. Then, light from a light source is transmitted through a polarizer 3 and the analyzer 12 and the content displayed on a liquid crystal panel 2 can be recognized only by the user wearing the dedicated spectacles 12. |
