Vertical-cavity surface emitting laser assay display system
First Claim
1. A visual display system comprising:
- a plurality of visible emitting vertical-cavity surface-emitting lasers, each of said lasers emitting radiation; and
means for displaying an image of said plurality of visible emitting vertical-cavity surface-emitting lasers within the field of view of an observer.
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Accused Products
Abstract
A visual display system is disclosed which utilizes one- and/or two-dimensional arrays of visible emitting vertical-cavity surface-emitting lasers (VCSELs) in order to provide a desired visual display within an observer'"'"'s field of view. Sweep and subscanning techniques are employed, individually or in combination, to create a full M×N image from 1×L or K×L arrays of VCSELs, where M and N are multiple integers of K and L, respectively. Preferably, the VCSELs are contained within a display housing which may be attached to the head of the user by an attachment mechanism or may alternatively be hand held or mounted to a surface. The circular symmetry and low divergence of the emitted VCSEL radiation as well as the availability of multiple wavelengths, particularly, red, blue and green, allow high resolution monochrome or color images to be generated.
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Citations
59 Claims
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1. A visual display system comprising:
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a plurality of visible emitting vertical-cavity surface-emitting lasers, each of said lasers emitting radiation; and means for displaying an image of said plurality of visible emitting vertical-cavity surface-emitting lasers within the field of view of an observer. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A visual display system for displaying an image having M×
- N picture elements within the field of view of an observer, said visual display system comprising;
a plurality of visible emitting vertical-cavity surface-emitting lasers aligned substantially in at least a first 1×
N array, said lasers emitting radiation;means for creating an image of said plurality of visible emitting vertical-cavity surface-emitting lasers; means for repetitively displacing the position of said image within the field of view of the observer; and means for selectively controlling the intensity of the radiation emitted from each of said plurality of vertical-cavity surface-emitting lasers as the position of said image is displaced to create the desired M×
N image. - View Dependent Claims (19, 20, 21, 22, 23, 24, 25)
- N picture elements within the field of view of an observer, said visual display system comprising;
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26. A visual display system for displaying an image having M×
- N picture elements within the field of view of an observer, said visual display system comprising;
a plurality of visible emitting lasers aligned substantially in a K×
L array, said lasers emitting radiation;means for creating an image of said plurality of visible emitting vertical-cavity surface-emitting lasers; means for repetitively displacing the position of said image within the field of view of the observer; and means for selectively controlling the intensity of the radiation emitted from each of said plurality of vertical-cavity surface-emitting lasers as the position of said image is displaced to create the desired M×
N image, where M and N are greater than K and L, respectively. - View Dependent Claims (27, 28, 29, 30, 31, 32, 33, 34, 35, 36)
- N picture elements within the field of view of an observer, said visual display system comprising;
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37. A visual display system for displaying a desired image within the field of view of an observer, said visual display system comprising:
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a laser array including a plurality of vertical-cavity surface-emitting lasers and light emitting diodes, said vertical-cavity surface-emitting lasers and light emitting diodes emitting radiation in the visible electromagnetic spectrum; means for creating an optical image of said laser array; means for repetitively displacing the position of said optical image within the field of view of the observer; and means for selectively controlling the intensity of the radiation emitted from said laser array as the position of said optical image is displaced to create the desired image.
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38. A visual display system for displaying a desired image having M×
- N picture elements within the field of view of an observer, said visual display system comprising;
a plurality of surface-emitting lasers aligned substantially in K 1×
L arrays, said 1×
L arrays being arranged in groups of two or more lasers;a plurality of lenslet pairs having an optical axis substantially collinear with the direction of propagation of radiation emitted from said lasers, each lenslet pair for imaging lasers within a group to corresponding groups of reduced image size such that the inter-group spacing for the groups of reduced image size is greater than that for said groups of lasers; means for creating an image of said groups of reduced image size; means for repetitively displacing the position of said image within the field of view of the observer so as to generate sub-picture elements between the groups of reduced image size; and means for selectively controlling the intensity of the radiation emitted from each of said plurality of surface-emitting lasers as the position of said image is displaced to create the desired M×
N image, where M and N are greater than K and L, respectively. - View Dependent Claims (39, 40, 41)
- N picture elements within the field of view of an observer, said visual display system comprising;
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42. A visual display system for displaying a desired image having M×
- N picture elements within the field of view of an observer, said visual display system comprising;
a plurality of surface-emitting lasers aligned substantially in a 1×
L array, said 1×
L array being arranged in groups of two or more lasers;a plurality of lenslet pairs having an optical axis substantially collinear with the direction of propagation of radiation emitted from said lasers, each lenslet pair for imaging lasers within a group to corresponding groups of reduced image size such that the inter-group spacing for the groups of reduced image size is greater than that for said groups of lasers; means for creating an image of said groups of reduced image size; means for repetitively displacing the position of said image within the field of view of the observer so as to generate sub-picture elements between the groups of reduced image size and picture elements along first and second directions, respectively, of said image; and means for selectively controlling the intensity of the radiation emitted from each of said plurality of surface-emitting lasers as the position of said image is displaced to create the desired M×
N image, where M and N are greater than K and L, respectively. - View Dependent Claims (43, 44, 45)
- N picture elements within the field of view of an observer, said visual display system comprising;
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46. A scanning configuration comprising:
- a plurality of surface-emitting lasers substantially aligned in at least a 1×
N array along a first direction, said 1×
N array having an inter-element spacing, d, and each of said lasers corresponding to a picture element;means for creating an image of said plurality of surface-emitting lasers; and means for repetitively displacing the image of said plurality of surface-emitting lasers by a distance less than the inter-element spacing, d, along said first direction so as to generate sub-picture elements between the images of adjacent lasers. - View Dependent Claims (47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59)
- a plurality of surface-emitting lasers substantially aligned in at least a 1×
Specification