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公开(公告)号：US11061224B2
公开(公告)日：2021-07-13
申请号：US15842774
申请日：2017-12-14
摘要： A see-through image display system having an Exit-Pupil-Expander (EPE) to enlarge the eyebox of display is disclosed. The EPE uses a hologram functioning as a micro-lens-array as well as collimation lens.
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公开(公告)号：US10386563B2
公开(公告)日：2019-08-20
申请号：US15650889
申请日：2017-07-15
摘要： A compact illuminator for a see-through image display system with highly uniform light distribution is disclosed. This invention enables wearable displays such as eye-glass type see-through display. This system provides a wide divergent beam from a display device so that a viewer can have a large eyebox.
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公开(公告)号：US20180373038A1
公开(公告)日：2018-12-27
申请号：US15650886
申请日：2017-07-15
CPC分类号： G02B27/0172 , G02B3/04 , G02B5/10 , G02B5/208 , G02B17/008 , G02B27/48 , G02B2027/011 , G02B2027/0116 , G02B2027/0123 , G02B2027/0174 , G02B2027/0178 , G03B21/14 , G03B21/204 , H04N9/7908
摘要： A see-through image display system with high resolution up to 4K, wide field of view (FOV) beyond 60 degrees and small form factor is proposed. The optics for the display incorporates optical elements including hologram, DOE, lens and mirror with free form surfaces. This display system is suitable for a wearable display
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公开(公告)号：US11209586B2
公开(公告)日：2021-12-28
申请号：US15843352
申请日：2017-12-15
摘要： A see-through image display system having a DOE often has undesirable light or so called ghost images due to the quantization of saw tooth shape of DOE surface. This invention provides ways to eliminate ghost images.
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公开(公告)号：US10539798B2
公开(公告)日：2020-01-21
申请号：US15650886
申请日：2017-07-15
IPC分类号： G02B27/10 , G02B27/01 , G02B3/04 , G02B5/10 , G02B5/20 , G02B17/00 , G02B27/48 , G03B21/20 , H04N9/79
摘要： A see-through image display system with high resolution up to 4K, wide field of view (FOV) beyond 60 degrees and small form factor is proposed. The optics for the display incorporates optical elements including hologram, DOE, lens and mirror with free form surfaces. This display system is suitable for a wearable display.
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公开(公告)号：US20180372940A1
公开(公告)日：2018-12-27
申请号：US15650889
申请日：2017-07-15
CPC分类号： G02B6/0031 , G02B5/30 , G02B27/0172 , G02B27/0905 , G02B27/0961 , G02B27/141 , G02B27/283 , G02B27/48 , G02B2027/011 , G02B2027/012 , G02B2027/0123 , G02B2027/0138 , G02B2027/0174 , G02B2027/0178
摘要： A compact illuminator for a see-through image display system with highly uniform light distribution is disclosed. This invention enables wearable displays such as eye-glass type see-through display. This system provides a wide divergent beam from a display device so that a viewer can have a large eyebox.
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公开(公告)号：US20190079395A1
公开(公告)日：2019-03-14
申请号：US15810052
申请日：2017-11-11
摘要： Manufacturing methods are disclosed to produce DOE, HOE and Fresnel optical elements. These methods enable low cost manufacturing with high precision. The methods include lithography, roll-to-roll imprint and UV-casting.
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公开(公告)号：US10520808B2
公开(公告)日：2019-12-31
申请号：US15810052
申请日：2017-11-11
摘要： Manufacturing methods are disclosed to produce DOE, HOE and Fresnel optical elements. These methods enable low cost manufacturing with high precision. The methods include lithography, roll-to-roll imprint and UV-casting.
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公开(公告)号：US11073694B2
公开(公告)日：2021-07-27
申请号：US15843330
申请日：2017-12-15
申请人： Fusao Ishii , NTT DOCOMO, Inc.
摘要： A see-through image display system having a laser-beam-scanner has a very small eyebox when a laser beam is directly projected into eye. This invention provides a solution to increase the size of eyebox using a free-form-mirror to create a real image with high NA without exit-pupil-expander.
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公开(公告)号：US20170322414A1
公开(公告)日：2017-11-09
申请号：US14999458
申请日：2016-05-09
申请人： Fusao Ishii
发明人： Fusao Ishii
CPC分类号： G02B27/0101 , G02B3/08 , G02B17/006 , G02B2027/012 , G02B2027/0125 , G02B2027/013
摘要： An optical waveguide for a see-through display system using Fresnel lenses is disclosed. This invention enables high efficiency of light utilization, wavelength independence, high resolution and very small form factor. This display system is suitable for head-up-display and wearable display.
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