An image display device is provided. The image display device includes a light source and a polarizer including a first polarizing region configured to linearly polarize light which is output from the light source and a second polarizing region configured to circularly polarize light which is output from the light source.

An aerial image display device capable of displaying a high-definition aerial image with sufficient luminance. An aerial image display device includes an image display device, a half mirror, and a retroreflector. The half mirror is a reflection-type polarizing plate. A λ/4 plate is provided between the reflection-type polarizing plate and the retroreflector. The retroreflector has a polarization-maintaining degree of 50% or more.

Provided is a display device including an image providing device configured to provide an image, a polarization modulation device configured to modulate a polarization state of each pixel in the image provided by the image providing device according to pixel-specific depth information of the image, and a birefringent optical system configured to focus the image at focal lengths determined according to the polarization state modulated by the polarization modulation device.

A stereoscopic image display device and a method of driving the same are provided. The stereoscopic image display device includes: a display panel; a patterned retarder transmitting light from the display panel as first and second polarization components; a data driving circuit driving data lines of the display panel; a gate driving circuit driving gate lines of the display panel; a 3D formatter: separating input 3D image signal into first and second eye image data; and arranging the first and second eye image data according to a vertical k-divisional operation to generate an original frame; and a timing controller: dividing one frame into k sub-fields with time-divisional driving; and controlling the data driving circuit and the gate driving circuit such that: the first eye image data are displayed in odd-numbered sub-fields with spatial-divisional driving; and the second eye image data are displayed in even-numbered sub-fields with spatial-divisional driving.

The present disclosure provides a head up display device and system, relating to the field of display technology. The head up display device includes: a first display image generator, configured to generate a first linearly polarized light containing a first image; a second display image generator configured to generate a second linearly polarized light containing a second image; wherein the polarization direction of the first linearly polarized light is perpendicular to the polarization direction of the second linearly polarized light; a first polarizing beam splitter configured to combine the first linearly polarized light and the second linearly polarized light; and an optical component containing a plurality of reflective imaging elements, wherein the optical component is configured to reflect the first image and the second image into a user's eye.

The present application discloses a 3D imaging method and apparatus, which divide a source 3D image light into two polarized light beams carrying image information through a birefringence effect, adjust optical paths of the two polarized light beams obtained through birefringence, and control the two polarized light beams to be alternately irradiated, thereby achieving 3D imaging; since the implementation of the above imaging method only requires one imaging apparatus having corresponding functions, the present application can simplify the system structure and reduce the system cost relative to a conventional 3D projection technology that requires two imaging devices; moreover, a viewer can directly see, with no need to wear corresponding 3D glasses, a 3D image due to the parallax caused by alternate irradiation of two polarized light beams carrying image information out of a projection device.

Some embodiments provide for a modular video projector system having a light engine module and an optical engine module. The light engine module can provide narrow-band laser light to the optical engine module which modulates the laser light according to video signals received from a video processing engine. Some embodiments provide for an optical engine module having a sub-pixel generator configured to display video or images at a resolution of at least four times greater than a resolution of modulating elements within the optical engine module. Systems and methods for reducing speckle are presented in conjunction with the modular video projector system.

The present disclosure provides a 3D display device and a 3D display apparatus. The 3D display device includes: a display panel; and a phase retarder arranged at a display side of the display panel, the phase retarder including first phase retarding bars and second phase retarding bars arranged alternately, wherein the 3D display device further includes a light shielding layer arranged at the display side of the display panel, the light shielding layer including a plurality of light shielding bars arranged to be spaced apart from each other and wherein each of the light shielding bars is arranged at an interface between adjacent first and second phase retarding bars.

The present invention provides a stereoscopic display component, a liquid crystal panel and a display device. The stereoscopic display component includes a backlight board and a grating array, wherein the backlight board includes a plurality of backlight sets, each backlight set includes a plurality of backlight strips capable of emitting light independently, the grating array includes a plurality of grating sets in one-to-one correspondence with the plurality of backlight sets, each grating set includes a plurality of gratings in one-to-one correspondence with the plurality of backlight strips in each backlight set, and each grating can be used for guiding light emitted from the backlight strip corresponding to the grating to two preset viewpoints. The present invention further provides a liquid crystal panel and a display device. The display device provided by the present invention has relatively high visual resolution.

A cap type virtual reality display image system including a cap provided with an image display through which virtual reality, game, 3D game image and smart phone's image can be viewed, where a mounting hole is provided at an upper surface of the cap visor, an image display, an eyepiece lens and a reflection mirror are provided inside the mounting hole. One of the reflection mirror, the semi-transmissive reflection mirror and the spherical semi-transmissive reflection mirror is arranged to rotate on a lower portion of the cap visor, and a positioning device is provided on one surface of the cap such that an observer can view simultaneously 2D and 3D display image and external sights.