Display device, mobile unit, and display panel housing device

The display device uses semi-transparent mirrors and phase difference plates to address optical component misalignment, achieving high-quality, compact image projection with reduced distortion.

JP7876735B1Active Publication Date: 2026-06-19KYOCERA CORP
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Patent Information

Application Number
JP2025572364
Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
Priority Date
2025-05-09
Filing Date
2025-09-18
Publication Date
2026-06-19
Estimated Expiration
2045-09-18

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Abstract

A non-wearable display device for the user, comprising: a housing having a viewing section; a display panel located inside the housing and having a planar display surface facing the viewing section, for emitting display light; and an optical system located inside the housing and forming an image of the display light, wherein the optical system includes a first semi-transparent mirror that reflects light toward the display panel and has the function of diverging, concentrating, or focusing light; and a second semi-transparent mirror located between the display panel and the first semi-transparent mirror and having the function of reflecting light toward the first semi-transparent mirror and having the function of concentrating or focusing light.
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Citation Information

Patent Citations

  • Monitor device for vehicle

    JP1999078693A

  • Video observation device, camera and video observation system

    JP1999153772A

  • Picture display device, head-mount type display using the picture display device, and video communication equipment

    JP1999237584A

  • Anamorphic luminous flux shaping optical system and shaping method

    JP1999326768A

  • Image display device

    JP2008089985A