8 results about "Disclination" patented technology

A method of generating a polarization grating includes: generating a disclination pair having topological charges of k=±½ and k=−½ in a liquid crystal; trapping one first topological charge of the disclination pair using optical tweezers; and generating a planar soliton by moving the trapped topological charge, wherein desired diffracted light is obtained by the planar soliton.

The invention relates to a method for reducing disclinations in an autostereoscopic display device that is electrically switchable between a 2D view mode and a 3D view mode, wherein the method comprises varying the angle between two directions of liquid crystal alignment in the lenticular device, to thereby determine an angle that causes a minimal or an acceptable occurrence of disclinations after switching between both view modes. The invention further relates to an autostereoscopic display device that exhibits reduced disclinations when switching between both view modes.

The present invention discloses a method for eliminating liquid crystal disclination lines, which relates to the technical field of liquid crystals. The method includes the following steps: preparing a reconfigurable chiral liquid crystal system; building an optical system for eliminating disclination lines of a liquid crystal doped with a photo-isomerizable material; starting a de-twisting light source to emit de-twisting light, and making the de-twisting light perpendicularly irradiate on a single reconfigurable chiral liquid crystal sheet or a reconfigurable chiral liquid crystal cell; starting a restoring light source to emit restoring light, and adjusting the optical path through a beam splitter to make the restoring light perpendicularly irradiate on the single reconfigurable chiral liquid crystal sheet or the reconfigurable chiral liquid crystal cell. The advantages of the present invention are as follows: it provides a method for eliminating liquid crystal disclination lines, which has relatively simple and highly controllable processes compared with the prior art means, does not require long-term standing, can quickly eliminate the disclination lines of a liquid crystal doped with a photo-isomerizable material, can effectively improve the preparation efficiency and preparation yield of liquid crystal optical elements, and has good application prospects in the field of preparation of liquid crystal optical elements.

The invention relates to a method for reducing disclinations in an autostereoscopic display device that is electrically switchable between a 2D view mode and a 3D view mode, wherein the method comprises varying the angle between two directions of liquid crystal alignment in the lenticular device, to thereby determine an angle that causes a minimal or an acceptable occurrence of disclinations after switching between both view modes. The invention further relates to an autostereoscopic display device that exhibits reduced disclinations when switching between both view modes.

The present invention relates to a method for reducing disclination in an autostereoscopic display device that is electrically switchable between a 2D view mode and a 3D view mode. The method includes changing the angle between two liquid crystal alignment directions in a lenticular device, thereby determining an angle that results in a minimal or acceptable occurrence of disclination after switching between both view modes. The present invention further relates to an autostereoscopic display device that exhibits reduced disclination when switching between both view modes.

The invention relates to a method for reducing disclinations in an autostereoscopic display device that is electrically switchable between a 2D view mode and a 3D view mode, wherein the method comprises varying the angle between two directions of liquid crystal alignment in the lenticular device, to thereby determine an angle that causes a minimal or an acceptable occurrence of disclinations after switching between both view modes. The invention further relates to an autostereoscopic display device that exhibits reduced disclinations when switching between both view modes.

The application discloses a method for preparing three-dimensional micro-nano structure along disclination line of liquid crystal polymer surface, which comprises the following steps: S1, setting a filling area of a liquid crystal cell; S2, performing light-controlled orientation on the liquid crystal cell; S3, filling a liquid crystal mixture into the filling area, and performing photopolymerization on the liquid crystal mixture to form a thin film of liquid crystal polymer; disassembling the liquid crystal cell, and increasing the height of the filling area; S4, heating the thin film of liquid crystal polymer, and then placing the thin film in an electric field to form a three-dimensional micro-nano structure. The application aims at overcoming the shortcomings of the existing preparation method of micro-nano structure, and proposes a method for preparing regular surface three-dimensional micro-nano structure from bottom to top. In particular, the application can control the structure according to the design of a substrate orientation layer, so that regular or complex surface topography can be prepared.

A display device and a manufacturing method therefor. The display device comprises a display panel, a liquid crystal cell, and a linearly polarized light rotating structure arranged between the display panel and the liquid crystal cell; the liquid crystal cell is arranged on a light emitting side of the display panel, and the liquid crystal cell comprises a first substrate and a second substrate that are arranged opposite to each other, a lens set, a first alignment layer, a liquid crystal layer, and a second alignment layer; the lens set is located between the first substrate and the second substrate, and a plurality of lenses of the lens set extend in a first direction; alignment directions of the first alignment layer and the second alignment layer are parallel to the first direction; an included angle is formed between a polarization direction of linearly polarized light emitted from the display panel and the first direction; and the linearly polarized light rotating structure is configured to rotate the polarization direction of emergent light to be parallel to the first direction. Because an arrangement direction of liquid crystal molecules needs to be parallel to the polarization direction, the arrangement direction of the liquid crystal molecules can be enabled to be parallel to the first direction, so that the arrangement of the liquid crystal molecules has better consistency, thereby greatly reducing the occurrence of disclination of the liquid crystal molecules.