Invention Grant
- Patent Title: Displays employing multimode optical fiber and low-speckle light sources
- Patent Title (中): 采用多模光纤和低散斑光源的显示器
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Application No.: US14629624Application Date: 2015-02-24
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Publication No.: US09229307B2Publication Date: 2016-01-05
- Inventor: Jeffrey G Manni , Joseph W Goodman
- Applicant: JGM Associates, Inc.
- Applicant Address: US MA Burlington
- Assignee: JGM Associated, Inc.
- Current Assignee: JGM Associated, Inc.
- Current Assignee Address: US MA Burlington
- Agent David Grossman
- Main IPC: G03B21/20
- IPC: G03B21/20 ; G02B27/48 ; G03B21/14 ; G02F1/1335 ; G02F1/1362

Abstract:
An apparatus comprising a visible light source(s), multimode optical fiber(s), light coupler(s), an optional spatial light modulator(s), and an optional projection lens(es). The light source has a 1/e half-width emission bandwidth. The light coupler couples the light source to the multimode optical fiber(s) such that objective speckle contrast is reduced. The multimode optical fiber(s) may pass light from the coupler to an optional spatial light modulator. The spatial light modulator may modulate the light to form an image. The projection lens may transfer light onto an image plane or to illuminate objects. The objective speckle contrast at the end of the multimode fiber in combination with the projection lens diameter (if employed) and wavelength diversity may result in viewed images at the viewer's eye, or other detector, exhibiting speckle contrast that may be 1% or less.
Public/Granted literature
- US20150168738A1 Displays Employing Multimode Optical Fiber and Low-speckle Light Sources Public/Granted day:2015-06-18
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