Vuzix has been granted a patent for a near-eye display projector that compensates for color gradients in virtual images. The system features an adjustable extended light source, a partial homogenizer, and a spatial light modulator, allowing for enhanced color distribution and improved image quality for viewers. GlobalData’s report on Vuzix gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Vuzix, Optical waveguides was a key innovation area identified from patents. Vuzix's grant share as of July 2024 was 37%. Grant share is based on the ratio of number of grants to total number of patents.
Near-eye display projector compensating for color gradients
The patent US12061341B2 describes a projector designed for near-eye displays, featuring an extended light source composed of multiple cells, each containing different color light sources. These cells can adjust their relative color outputs, allowing for a customizable color distribution at an illumination plane. The system includes a partial homogenizer that collects and partially overlaps light from these cells, directing it to a spatial light modulator. This modulator generates real images by selectively modulating the light, which is then conveyed to the viewer through an eyepiece optic. A controller is integrated to manage the color output and light intensity, enhancing the visual experience by adjusting the radiant energy outputs of the cells.
Additionally, the near-eye display incorporates an illuminator with similar features, including a spatial light modulator and an image light guide that directs angularly encoded light beams to the viewer's eye. The partial homogenizer in this setup also ensures that light from the cells overlaps effectively at the illumination plane. The controller plays a crucial role in modifying the light output across different bands of wavelengths, allowing for dynamic adjustments in color and intensity. This technology aims to improve the quality of virtual images presented to the viewer, making it suitable for applications in augmented and virtual reality environments.
To know more about GlobalData’s detailed insights on Vuzix, buy the report here.
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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.
