Invention Grant
US09291819B2 Multi-focus heads-up display using single picture generator unit
有权
使用单个图像发生器单元的多焦点平视显示
- Patent Title: Multi-focus heads-up display using single picture generator unit
- Patent Title (中): 使用单个图像发生器单元的多焦点平视显示
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Application No.: US14133311Application Date: 2013-12-18
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Publication No.: US09291819B2Publication Date: 2016-03-22
- Inventor: John Marshall Ferri
- Applicant: Texas Instruments Incorporated
- Applicant Address: US TX Dallas
- Assignee: TEXAS INSTRUMENTS INCORPORATED
- Current Assignee: TEXAS INSTRUMENTS INCORPORATED
- Current Assignee Address: US TX Dallas
- Agent Tuenlap D. Chan; Frank D. Cimino
- Main IPC: G02B27/01
- IPC: G02B27/01 ; G09G3/00

Abstract:
Apparatus and methods are described for creating multiple different heads-up display (HUD) images at different apparent distances from a viewer using a single picture generator. First and second images are generated using respective first and second subsets of modulating elements of an array of image pixel modulating elements of a spatial light modulator. Light from the first and second images is directed along respective first and second optical paths onto a transparent display surface to form respective first and second virtual images at different apparent distances within a field of view of a viewer looking through the display surface. In a described example, the modulating elements are micromirrors of a digital micromirror device (DMD) and optical elements of the respective optical paths are relatively movable to set relative path lengths.
Public/Granted literature
- US20150061976A1 MULTI-FOCUS HEADS-UP DISPLAY USING SINGLE PICTURE GENERATOR UNIT Public/Granted day:2015-03-05
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