| 摘要 |
The present invention relates to a variable display device expressing integrated information including letters and images and, more specifically, to a variable display device expressing integrated information including letters and images which independently drives a letter expression unit expressing letters in a braille form and an image expression unit expressing an image of an object in three dimensions by using an additional actuator to verify contents which a braille display for a visually handicapped person can provide and expand the expressible range, while obtaining information accessibility, information diversity and right for learning of such a visually handicapped person. |
