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    • 1. 发明授权
    • Video display device
    • US12073739B2
    • 2024-08-27
    • US18039529
    • 2022-01-13
    • SEGA FAVE CORPORATION
    • Tetsuya Hayakawa
    • G09B27/00F21V9/40F21V11/14F21V13/02F21V14/08F21W121/00
    • G09B27/00F21V9/40F21V11/14F21V13/02F21V14/08F21W2121/008
    • The present invention addresses the problem of providing a video display device that projects and displays video including starry sky images onto a target surface, that can reproduce the twinkling of stars and that can more faithfully reproduce an actual starry sky. Provided are a light source, a projection lens, a starry-sky projection negative plate, a twinkling negative plate with uneven light-transmitting properties, a starry-sky-end support unit that supports the starry-sky projection negative plate in a location onto which light from the light source is radiated, a twinkling-end support unit that supports the twinkling negative plate between the starry-sky projection negative plate and the projection lens or between the light source and the starry-sky projection negative plate, and an actuation mechanism that rotationally actuates, by power from an actuator, the starry-sky projection negative plate in a state of being supported by the starry-sky-end support unit and the twinkling negative plate in a state of being supported by the twinkling-end support unit. Light that has penetrated the starry-sky projection negative plate and the twinkling negative plate is radiated onto the target surface via the projection lens.