High reliability display system
First Claim
Patent Images
1. A display system, comprising:
- a plurality of projection channels, each projection channel projecting a substantially mutually exclusive portion of an image onto a display area, a controller that determines the content and size of each portion that each projection channel projects onto the display area so that the image substantially fills the display area during normal conditions;
wherein when one of the projection channels is inoperative, the controller adjusts the portions of the image that are projected by the operative projection channels to optimize the image on the display area.
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Abstract
A high-reliability display system is disclosed. The display system includes a plurality of projection channels. Each projection channel projects a substantially mutually exclusive portion of an image onto a display area. A controller determines the content and size of each portion that each projection channel projects onto the display area so that the image substantially fills the display area during normal conditions. When one of the projection channels is inoperative, the controller adjusts the portions of the image that are projected by the operative projection channels to optimize the image on the display area.
37 Citations
20 Claims
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1. A display system, comprising:
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a plurality of projection channels, each projection channel projecting a substantially mutually exclusive portion of an image onto a display area, a controller that determines the content and size of each portion that each projection channel projects onto the display area so that the image substantially fills the display area during normal conditions;
wherein when one of the projection channels is inoperative, the controller adjusts the portions of the image that are projected by the operative projection channels to optimize the image on the display area. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A display system for projecting an image on a display area, the image having a size and a content, the system comprising:
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a first projection channel that includes a first light modulator configured to modulate light to form a first portion of the image, and a first variably-focusable lens assembly that focuses the first portion of the image for display on the display area;
a second projection channel that includes a second light modulator configured to modulate light to form a second portion of the image, and a second variably-focusable lens assembly that focuses the second portion of the image for display on the display area;
a third projection channel that includes a third light modulator configured to modulate light to form a third portion of the image, and a third variably-focusable lens assembly that focuses the third portion of the image for display on the display area;
a controller that controls the first, second and third lens assemblies such that when the first, second and third projection channels are in an operative state, the first portion of the image is displayed on a first section of the display area, the second portion of the image is displayed on a second section of the display area, and the third portion of the image is displayed on a third section of the display area, wherein each of the first, second and third sections of the display area are substantially mutually exclusive and combine to cover substantially all of the display area, the controller being further configured so that, upon failure of one of the projection channels, the controller adjusts the portions of the image to be projected by the remaining operative channels by controlling the light modulators and the variably-focusing lens assemblies of the remaining operative projection channels to optimize the size and content of the image. - View Dependent Claims (12, 13, 14, 15, 16)
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17. A method of providing an image to a display screen, comprising:
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providing a plurality of independent projection channels, each projection channel configured for modulating light to create a portion of the image and focusing the image on a section of the display screen;
determining the portion of the image that each projection channel is to project;
generating light for each projection channel;
modulating the light in each projection channel to produce each portion of the image;
focusing each portion of the image on a section of the display screen;
compensating for an inoperative projection channel by modifying the portions of the desired image that each operative projection channel is to project and by re-focusing each portion on the display screen, to thereby optimize the image that is displayed on the display screen. - View Dependent Claims (18, 19, 20)
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Specification