Screen had eight patents in 3D printing during Q1 2024. The patents filed by Screen Holdings Co Ltd in Q1 2024 focus on an illumination optical system that converts the intensity distribution of incident light into a top hat distribution on an optical modulator. Additionally, a light shielding unit is designed to reflect first-order diffracted beams away from the optical axis of zero-order diffracted beams, guiding and absorbing the light to prevent interference. 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 Q1 2024.
Recent Patents
Application: Optical apparatus and three-dimensional modeling apparatus (Patent ID: US20240064275A1)
The patent filed by Screen Holdings Co Ltd describes an optical apparatus that includes an illumination optical system, an optical modulator, and a projection optical system. The illumination optical system converts the intensity distribution of incident light from a Gaussian distribution to a top hat distribution in the long axis direction, guiding the light as parallel light in the long axis direction and convergent light in the short axis direction. The optical modulator modulates the shaped beam into a modulated beam, while the projection optical system guides the modulated beam onto a target object's surface. The system includes various optical elements and shielding parts to control the light distribution and diffraction.
Additionally, the patent details the configuration of the projection optical system, which includes multiple projection optical elements and light shielding parts to ensure proper convergence and blocking of non-zero-order diffracted beams. The optical apparatus is designed for use in a three-dimensional modeling apparatus, where a laser light source emits light to the optical system, and a scanning part scans the modulated beam on a modeling material. The scanning part may include a galvanometer mirror to change the traveling direction of the modulated beam. Overall, the patent outlines a sophisticated optical apparatus for precise shaping, modulation, and projection of laser beams for various applications, particularly in three-dimensional modeling.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
