An image display device includes a display panel displaying an image, and a diffractive element formed to operate in a 2D mode or a 3D mode so that the image of the display panel is perceived as a 2D image or a 3D image after passing through the diffractive element. In the image display device, the diffractive element includes a first substrate and a second substrate facing each other, a first electrode layer formed on the first substrate that includes a plurality of zones, a second electrode layer formed on the second substrate, and a liquid crystal layer interposed between the first substrate and the second substrate. Further, when the diffractive element operates in the 3D mode, a common voltage is applied to the second electrode layer, and polarity of voltages applied to the first electrode layer with respect to the common voltage is inverted every zone.

The stereoscopic image display device which displays images corresponding to each of a plurality of viewpoints includes: a stereoscopic image display panel which includes a display panel in which a plurality of pixels are arranged and a light-ray separating module provided on the display panel for separating parallax images from each of the pixels towards a plurality of N-viewpoints (N is a natural number of 2 or larger) according to the layout direction of each of the pixels; an observer position measuring unit which measures an observing position of the observer who is facing the display surface; a relative position calculating unit which calculates a relative position of the observer with respect to the stereoscopic image display panel based on the measurement result; and an image generation processing unit which generates viewpoint image by corresponding to the relative position and outputs the image towards the stereoscopic image display panel.

The liquid crystal lens includes a first substrate and a second substrate, a first common electrode disposed on the first substrate, a groove pattern disposed on the second substrate, where the plurality of electrode patterns face the first substrate, a plurality of electrode patterns disposed on the groove pattern, and a liquid crystal layer interposed between the first substrate and the second substrate, where the liquid crystal layer includes a uniformly lying helix type liquid crystal material. The liquid crystal lens may be included in a liquid crystal display device.

The present disclosure discloses a display apparatus, a stereoscopic display apparatus, and an application terminal thereof. The display apparatus includes a display panel and a light collimation module. The display panel includes an RGB pixel array. The RGB pixel array includes multiple RGB pixels disposed at intervals. The light collimation module includes a control electrode layer, a first transparent substrate, a liquid crystal layer, and a second transparent substrate. The control electrode layer is disposed within the intervals between the RGB pixels or at positions that are on the display panel and that are corresponding to the intervals between the RGB pixels. The first transparent substrate is disposed on the display panel and covers the control electrode. The liquid crystal layer is disposed on the first transparent substrate. The second transparent substrate is disposed on the liquid crystal layer.

A 3D image display device includes: a display panel that includes a plurality of pixels arranged in a matrix form; and a view point division part that divides the plurality of pixels into a plurality of corresponding view points. The view point division part includes a plurality of view point division units each associated with a lenticular lens tilted at an inclination angle and an inclination angle changing unit for changing the inclination angles of the plurality of the view point division units to correspond to a portrait mode or a landscape mode. The view point division part and the display panel are configured so that a same optimal viewing distance is calculated in portrait mode and landscape mode.

The present invention provides a 3D display device, and the 3D display device comprises a display panel (30), and a metal wire grid polarizer (20) and a liquid crystal lens (10) located above the display panel (30); the liquid crystal lens (10) comprises: a lens upper glass substrate (1), a lens lower glass substrate (5), which is oppositely located to the lens upper glass substrate (1), a common electrode (2) located on one side of the lens upper glass substrate (1) facing the lens lower glass substrate (5), a plurality of strip electrodes (4) which are in parallel spaced arrangement on one side of the lens lower glass substrate (5) facing the lens upper glass substrate (1), and a liquid crystal layer (3) located between the lens lower glass substrate (5) and the lens upper glass substrate (1).

A stereoscopic display device includes a display panel for displaying 2D/3D images, a driving circuit module, and a light-splitting device. The light-splitting device includes a first substrate having a plurality of first electrodes, a second substrate arranged facing the first substrate and having at least one second electrode, a liquid crystal layer placed between the first substrate and the second substrate, and a plurality of spacers in the liquid crystal layer. The driving circuit module is configured to, when in the 3D display mode, provide a plurality of driving voltages between the first electrodes and the second electrode to make the liquid crystal layer an array of liquid crystal lenses and, when in the 2D display mode, to provide a deflection voltage between the first electrodes and the second electrode to reduce a refractive index difference between the liquid crystal molecules and the spacers with a predetermined range.

The present application discloses a stereoscopic display for naked eyes includes a two-dimensional display panel, a stereoscopic module for the naked eyes and a light converting module. The stereoscopic module for the naked eyes is deposited between the two-dimensional display panel and the light converting module. The two-dimensional display panel is used to output a two-dimensional image based on the linearly polarized light; the stereoscopic module for the naked eyes is used to output a three-dimensional image based on the linearly polarized light. The light converting module is used to convert the linearly polarized light to a circularly polarized light and output a three-dimensional image based on the circularly polarized light.

An image display device includes: an image display unit (100) that displays a plurality of parallax images corresponding to the number of view points for stereoscopic viewing on a screen of a display panel (100a); a parallax barrier (101) that is arranged facing the screen, and performs optical separation of the displayed parallax images; and an adaptive pitch adjustment unit (103) that adjusts, for each of regions of the display panel (100a), perform adjustment on a pitch of the parallax barrier (101) corresponding to the region in accordance with an amount of distortion of the display panel (100a) in the region.

A liquid crystal optical device includes: a first electrode unit including a first substrate transparent to light, a light-transmitting layer formed on the first substrate, and a first electrode formed on the light-transmitting layer and being transparent to light, the light-transmitting layer including recesses formed on a surface facing the first electrode, arranged in a first direction, and extending in a second direction; a second electrode unit including a second substrate, the second substrate being transparent to light, and two second electrodes formed on the second substrate, the second electrodes being arranged in the second direction and extending along the first direction; a liquid crystal layer located between the first and second electrode units; a first polarizing plate located on an opposite side of the second electrode unit from the liquid crystal layer; and a drive unit that applies voltages to the first and second electrodes.