Compact lenticular grating type naked eye 3D display panel

Abstract

The invention discloses a compact lenticular grating type naked eye 3D display panel. The compact lenticular grating type naked eye 3D display panel comprises a liquid crystal array, a glass substrate, a polarizing plate, an oriented light guide film, a double-face lenticular grating plate, and a glass panel tightly laminated and connected in sequence from the inside to the outside, the internal surface of the double-surface lenticular grating plate is an aspheric cylindrical lens grating structure, the external surface is a multi-prism grating structure, and each two adjacent sub-pixels in the liquid crystal array correspond to a grating unit in the aspheric cylindrical lens grating. According to the compact lenticular grating type naked eye 3D display panel, by employing the aspheric cylindrical lens grating structure and an imaging scheme of two sub-pixels in each corresponding grating unit, the condition of paraxial imaging is satisfied, the imaging aberration is small, the imaging of the liquid crystal sub-pixels in a visual area is clear, the display color offset is small, and the image crosstalk is small; and during watching of 3D images, refraction imaging of a light beam emitted by the two sub-pixels is performed through the aspheric cylindrical lens, and the imaging light is changed to various directions through secondary refraction of the multi-prism grating structure so that multi-visual-angle 3D display is realized.

Description

technical field [0001] The invention belongs to the field of naked-eye 3D display, and in particular relates to the design of a naked-eye 3D lenticular panel structure. Background technique [0002] At present, the common glasses-free 3D flat panel display technologies are mainly divided into three categories, namely, slit grating technology (light barrier type), directional backlight technology (pointing light source) and lenticular lens technology. [0003] The slit grating technology uses a slit optical film to separate the images for the left and right eyes, so that the viewer's left and right eyes receive different image contents at the same time to achieve 3D display. The grating used in the slit grating technology is easy to manufacture, 2D / 3D switchable, low cost, relatively low crosstalk, and relatively high tolerable stereo, but the brightness loss is serious, and the resolution decreases with the increase of the number of viewing angles. [0004] Directional back...

AI Technical Summary

Problems solved by technology

The disadvantage of this solution is that the image resolution will be greatly reduced; the aberration of a single cylindrical lens will cause the display color of the naked-eye 3D display to shift, and the left and right images will have crosstalk; in order to reduce the aberration, the curvature radius of the cylindrical lens is large. As a result, the thickness and weight of the lenticular grating panel are large; when the viewer deviates from the best viewing position, the left and right images will be reversed in some positions, causing the viewer to cause dizziness, vertigo, nausea and many other adverse reactions, which will lead to trouble watching the display screen The angle and distance of the

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