Screen had seven patents in 3D printing during Q2 2024. Screen Holdings Co Ltd filed a patent for a three-dimensional modeling apparatus that includes a layer formation mechanism, an optical head for irradiating the material layer with light, and a head moving mechanism. The optical head consists of a light source, a diffractive optical modulator, an illumination optical system, and a projection optical system for forming a projection image on the material layer. GlobalData’s report on Screen gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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Screen had no grants in 3D printing as a theme in Q2 2024.
Recent Patents
Application: Three-dimensional modeling apparatus and three-dimensional modeling method (Patent ID: US20240131788A1)
The patent filed by Screen Holdings Co Ltd describes a three-dimensional modeling apparatus that forms a three-dimensional model by layering material layers and irradiating them with light. The apparatus includes a layer formation mechanism, an optical head with a diffractive optical modulator, and a head moving mechanism. The optical head moves in a direction parallel to the material layer and includes a light source, an illumination optical system, and a projection optical system that moves the projection image in a scan direction by changing the orientation of a mirror.
The claims associated with the patent detail the specific components and functions of the three-dimensional modeling apparatus. These include the use of a planar light valve or a grating light valve as the optical modulator, continuous movement of the optical head in the head moving direction, and the variable timing for starting the formation of the next material layer. Additionally, the method outlined in the patent involves lowering the latest material layer, irradiating it with light while moving the optical head, starting the formation of the next material layer after a set delay time, and repeating these steps to create the three-dimensional model.
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