| 摘要 |
According to one embodiment, a liquid crystal optical device includes an optical unit and a controller. The optical unit includes first and second substrates, first electrodes, first and second counter electrodes, and a liquid crystal layer. The controller controls a voltage applied to the first electrodes, and the first and second counter electrodes. The controller performs a plurality of display modes based on at least one of image information and a control signal being obtained to forms a plurality of lens. The image information is inputted to an image display unit stacked with the optical unit and emits an image light. |
| 主权项 |
1. A liquid crystal optical device, comprising:
an optical unit including
a first substrate having a first surface including a first region and a second region,a second substrate opposing the first substrate,a plurality of first electrodes provided between the first substrate and the second substrate and arranged in a first direction parallel to the first surface, wherein a first group of the first electrodes overlaps the first region and a second group of the first electrodes overlaps the second region when projected onto the first surface,a first counter electrode provided between the second substrate and the first electrodes, the first counter electrode and the first region overlapping when projected onto the first surface,a second counter electrode provided between the second substrate and the first electrodes, the second counter electrode and the second region overlapping when projected onto the first surface, anda liquid crystal layer provided between the first and the second substrates; and a controller controlling a voltage applied to the first electrodes, the first counter electrode, and the second counter electrode, the controller configured to perform a plurality of display modes including a first mode including
forming a first lens in the liquid crystal layer by forming a first potential difference between the first group and the first counter electrode andforming a second lens in the liquid crystal layer by forming a second potential difference between the second group and the second counter electrode, a difference between a maximum value and a minimum value of a refractive index of the first lens being larger than a difference between a maximum value and a minimum value of a refractive index of the second lens, and a second mode including
forming a third lens in the liquid crystal layer by forming a third potential difference between the first group and the first counter electrode andforming a fourth lens in the liquid crystal layer by forming a fourth potential difference between the second group and the second counter electrode, a difference between a maximum value and a minimum value of a refractive index of the third lens being larger than a difference between a maximum value and a minimum value of a refractive index of the fourth lens. |
