Backlight device, 2d/3d switchable display device

Abstract

The invention relates to a backlight source device and a two-dimensional / three-dimensional (2D / 3D) switching display device. The backlight device is used for the 2D / 3D switching display device and comprises a first substrate, a second substrate, a liquid crystal layer and a backlight source, wherein the first substrate and the second substrate are opposite to each other; the liquid crystal layer is arranged between the first substrate and the second substrate and has a long-axis reflective index and a short-axis reflective index; the backlight source is arranged on one side, opposite to the liquid crystal layer, of the first substrate; one side, facing towards the liquid crystal layer, of the first substrate is sequentially provided with a common electrode and a prism array, and the reflective index of a prism is between the long-axis reflective index and the short-axis reflective index; and one side, facing towards the liquid crystal layer, of the second substrate is provided with a control electrode array layer, the control electrode array comprises a first control electrode array and a second control electrode array, and first control electrodes and second control electrodes are arranged at intervals. Due to the adoption of the display device, the display of a 2D image and a 3D image can be realized, a left-eye image and a right-eye image are displayed in a time-sharing way when the 3D image is displayed, and the resolution ratio of the 3D image is high.

Description

technical field [0001] The invention relates to the field of displays, in particular to a 2D / 3D switchable display device. Background technique [0002] Imaging technology continues to develop, with higher and higher pixels, and we are able to see clearer, brighter, and colorful videos and graphics on larger screens, but they always have a limitation, that is, they are two-dimensional. The real world seen by our eyes is not just a simple flat image, but a stereoscopic three-dimensional with depth of field. This ability to perceive three-dimensionality is a side function of retinal inconsistency (or a slight shift in the position of an object seen by the left and right eyes) . Therefore, if a stereoscopic image is to be presented, it must simulate the parallax of human retinal imaging when viewing objects. This sense implies that what we see is real (or almost real), rather than flat and two-dimensional. [0003] Existing 3D liquid crystal display devices are divided into ...

AI Technical Summary

Problems solved by technology

[0006] The technical problem to be solved by the present invention is that the 2D / 3D switching liquid crystal display device in the prior art needs to divide the pixels into left-eye pixels and right-eye pixels, which reduces the resolution of the display device, and the liquid crystal grating or liquid crystal lens needs to be aligned with the pixel For alignment, the preparation process is complicated

Images