Patent ID: 9348146
Filing Date: 2016-05-24
CPC Classification: G02B

Claim Text:
1. An apparatus for projecting a space image, comprising: a receiving unit configured to receive the space image; a display unit configured to display the space image and to emit light; a control unit configured to control the display unit to display the space image; and a projection unit configured to allow the light to permeate or reflect the light and to project the space image, wherein the projection unit comprises a first lens and a second lens which are a liquid crystal lens or a liquid lens placed in front of the display unit, wherein the receiving unit is configured to further receive a projection position signal for requesting a change of a position at which the space image is projected, and wherein the control unit is configured to switch a state of each of the first lens and the second lens to an operation state or a non-operation state in accordance with the projection position signal.