IMAGE DISPLAY SYSTEM AND HEAD-UP DISPLAY SYSTEM
DE602020059472T2Active Publication Date: 2025-09-24NIPPON KAYAKU CO LTD
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Patent Information
- Application Number
- DE602020059472
- Authority / Receiving Office
- DE · DE
- Patent Type
- Patents
- Current Assignee / Owner
- Filing Date
- 2020-08-26
- Publication Date
- 2025-09-24
- Estimated Expiration
- 2040-08-26
AI Technical Summary
Technical Problem
Existing head-up display systems suffer from double vision images and reduced brightness due to glare from external light, especially when polarized sunglasses are worn, and this is exacerbated by the use of resin windshields which lack intermediate films.
Method used
An image display system using an optical laminate with a 1/2 wavelength plate to convert S polarized light into P polarized light for clear visibility and a polarized-light control unit to block external glare, ensuring clear visual recognition and anti-glare effect.
Benefits of technology
The system effectively reduces double vision images and external glare, maintaining brightness and clarity of display images even with polarized sunglasses, suitable for resin windshields and various vehicle types.
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