Remotely coupled hybrid HUD backlight
First Claim
Patent Images
1. A head-up display assembly, comprising:
- a liquid crystal display element;
a first light source physically mounted in proximity to the liquid crystal display element that is operable to directly backlight illuminate the liquid crystal display element; and
a remote light source mounted physically remote from the liquid crystal display element that is operable to backlight illuminate the liquid crystal display element via a light guide.
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Abstract
A head-up display assembly includes a liquid crystal display element, a first backlight light source, and a remote backlight light source. The first light source is physically mounted in proximity to the liquid crystal display element, and is operable to directly backlight illuminate the liquid crystal display element. The remote light source mounted physically remote from the liquid crystal display element, and is operable to backlight illuminate the liquid crystal display element via a light guide.
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Citations
47 Claims
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1. A head-up display assembly, comprising:
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a liquid crystal display element;
a first light source physically mounted in proximity to the liquid crystal display element that is operable to directly backlight illuminate the liquid crystal display element; and
a remote light source mounted physically remote from the liquid crystal display element that is operable to backlight illuminate the liquid crystal display element via a light guide. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A method of backlighting a head-up display assembly, comprising:
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providing light from a first light source physically mounted in proximity to the liquid crystal display element that is operable to directly backlight illuminate the liquid crystal display element; and
providing light from a remote light source mounted physically remote from the liquid crystal display element that is operable to backlight illuminate the liquid crystal display element via a light guide. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28)
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29-42. -42. (canceled)
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43. A head-up display assembly, comprising:
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a liquid crystal display element;
a first light source physically mounted in proximity to the liquid crystal display element that is operable to directly backlight illuminate the liquid crystal display element;
a remote light source mounted physically remote from the liquid crystal display element that is operable to backlight illuminate the liquid crystal display element via a light guide; and
a controller operable to control the light produced in at least one of the first light source and the remote light source. - View Dependent Claims (44, 45, 46)
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47-50. -50. (canceled)
Specification