Disclosed are an integrated optical assembly structure with an isolator and a processing method therefor. The structure comprises a front metal cover, a ceramic sleeve, a pressing block, a ceramic plug core and an isolator chip, wherein the ceramic sleeve is disposed inside the front metal cover; one end of the ceramic plug core is disposed inside the ceramic sleeve and the other end thereof is fixed in the pressing block; the pressing block has a plug core positioning hole and a chip accommodating hole; the chip accommodating hole has at least two positioning corners; and the isolator chip having magnetism itself is installed in the chip accommodating hole and is positioned and fixed via the positioning corners.

An optical module having an externally-mounted magnetic ring and a chip positioning angle and a pressing block structure thereof are disclosed. The pressing block structure includes a pressing block. The pressing block includes a pressing block body. The pressing block body is provided with an insertion core positioning hole, a chip accommodating hole, and a magnetic ring accommodating chamber. The chip accommodating hole is provided with at least one positioning angle. The overall assembly accuracy of the optical module is improved, the material cost of the isolator chip is reduced, the positioning of the chip is more accurate, and the occurrence of glue overflow can be avoided.

Described are composite photonic materials that incorporate magnetic nanoparticles inside hollow or solvent-filled nano-scale or micro-scale shells and methods of making and using such composite photonic materials. When these photonic materials are present in a magnetic field, they exhibit a change in reflected, scattered, and/or transmitted light as compared to when the materials are not in the presence of the magnetic field. This results in the materials appearing to have a different color, such as when observed by the human eye or a light detecting device, such as a camera.

Disclosed a display screen having a mirror function, a control method, a device and a terminal. The display screen includes: a screen lens (20), a liquid crystal screen (22) and a nano suspension layer (21), wherein the nano suspension layer (21) is disposed between the screen lens and the liquid crystal display. The control method includes: controlling the magnetic layer to provide a static magnetic field perpendicular to the display screen upon receipt of the trigger-off signal; and controlling the upper plate to provide a voltage, or controlling the upper plate to provide a voltage and controlling the magnetic layer to provide a static magnetic field perpendicular to the display screen upon receipt of the trigger-on signal.

Disclosed are a light emission device including a magnetoactive element, a method of fabricating the same, and an electronic device including the light emission device. The disclosed light emission device may include a light emission layer; a first electrode and a second electrode spaced apart from each other on a first surface side of the light emission layer; and a magnetoactive fluid layer disposed on a second surface side of the light emission layer and having a plurality of nanostructures of which arrangement and distribution is configured to change according to application of a magnetic field. The light emitting properties of the light emission layer may be changed according to the arrangement and distribution of a plurality of nanostructures in the magnetoactive fluid layer. The plurality of nanostructures may include conductive nanowire and magnetic nanoparticle provided on the surfaces of the conductive nanowire.

The present invention relates to the technical field of superlattice magneto-optical material technologies, and in particular, to a superlattice material, and a preparation method and application thereof. According to description of embodiments, the superlattice material provided in the present invention has both a relatively good magnetic property of a ferrous garnet material and a good photoelectric absorption characteristic of a two-dimensional semiconductor material such as graphene. Magneto-optical Kerr effect data obtained through testing shows that: A saturated magneto-optical Kerr angle of the superlattice material in the present invention is 13 mdeg in a magnetic field of 2500 Oe, and a magneto-optical Kerr angle of the superlattice material is increased by 2.5 times compared with a nonsuperlattice ferrimagnetic thin film material into which no two-dimensional material is inserted, thereby achieving magneto-optical effect enhancement.

Described are composite photonic materials that incorporate magnetic nanoparticles inside hollow or solvent-filled nano-scale or micro-scale shells and methods of making and using such composite photonic materials. When these photonic materials are present in a magnetic field, they exhibit a change in reflected, scattered, and/or transmitted light as compared to when the materials are not in the presence of the magnetic field. This results in the materials appearing to have a different color, such as when observed by the human eye or a light detecting device, such as a camera.

An optical module having an externally-mounted magnetic ring and a chip positioning angle and a pressing block structure thereof are disclosed. The pressing block structure includes a pressing block. The pressing block includes a pressing block body. The pressing block body is provided with an insertion core positioning hole, a chip accommodating hole, and a magnetic ring accommodating chamber. The chip accommodating hole is provided with at least one positioning angle. The overall assembly accuracy of the optical module is improved, the material cost of the isolator chip is reduced, the positioning of the chip is more accurate, and the occurrence of glue overflow can be avoided.

An optical module including a transparent component and at least one coil device is provided. The at least one coil device is connected to the transparent component and includes a main body and at least one extending wire. The at least one extending wire is extended out from the main body, the at least one coil device is adapted to be driven by a magnetic force to vibrate along at least one rotation axis, and a length of the at least one extending wire is in positive correlation with a width of the transparent component along a direction. The direction is perpendicular to the at least one rotation axis and perpendicular to an optical axis of the transparent component. In addition, a projector having the optical module is also provided.

Disclosed are a light emission device including a magnetoactive element, a method of fabricating the same, and an electronic device including the light emission device. The disclosed light emission device may include a light emission layer; a first electrode and a second electrode spaced apart from each other on a first surface side of the light emission layer; and a magnetoactive fluid layer disposed on a second surface side of the light emission layer and having a plurality of nanostructures of which arrangement and distribution is configured to change according to application of a magnetic field. The light emitting properties of the light emission layer may be changed according to the arrangement and distribution of a plurality of nanostructures in the magnetoactive fluid layer. The plurality of nanostructures may include conductive nanowire and magnetic nanoparticle provided on the surfaces of the conductive nanowire.