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公开(公告)号：US20190384074A1
公开(公告)日：2019-12-19
申请号：US16557347
申请日：2019-08-30
发明人： Wonjae JOO , Juhyung KANG , Soojin KIM , Mark L. BRONGERSMA , Shanhui FAN
摘要： A multi-stack graphene structure includes a graphene stack that includes graphene layers including amorphous graphene and thin film dielectric layers. The graphene layers include amorphous graphene. The graphene layers and the thin dielectric layers are alternately stacked on one another. The multi-stack graphene structure also includes an electric field former configured to apply an electric field to the graphene layers.
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公开(公告)号：US20180120595A1
公开(公告)日：2018-05-03
申请号：US15802086
申请日：2017-11-02
发明人： Wonjae JOO , Juhyung KANG , Soojin KIM , Mark L. BRONGERSMA , Shanhui FAN
摘要： A multi-stack graphene structure includes a graphene stack that includes graphene layers including amorphous graphene and thin film dielectric layers. The graphene layers include amorphous graphene. The graphene layers and the thin dielectric layers are alternately stacked on one another. The multi-stack graphene structure also includes an electric field former configured to apply an electric field to the graphene layers.
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3.发明申请公开(公告)号：US20200073031A1
公开(公告)日：2020-03-05
申请号：US16557421
申请日：2019-08-30
发明人： Brandon BORN , Mark L. BRONGERSMA , Sunghoon LEE
IPC分类号： G02B5/18
摘要： Provided are a diffraction grating device, a method of manufacturing the diffraction grating device, and an optical apparatus including the diffraction grating device. The diffraction grating device includes a diffraction grating arranged on a light reflection substrate. The diffraction grating includes a plurality of diffraction elements, each diffraction element from among the plurality of diffraction elements having a height that causes a destructive interference between first light rays reflected by a top surface therefore and second light rays reflected by a bottom surface thereof, the first and second light rays being incident on the top and bottom surfaces, respectively, at an incidence angle greater than 45°.
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公开(公告)号：US20190198817A1
公开(公告)日：2019-06-27
申请号：US16230527
申请日：2018-12-21
CPC分类号： H01L51/5265 , H01L27/3211 , H01L27/322 , H01L33/465 , H01L51/5012 , H01L51/5056 , H01L51/5072 , H01L51/5092 , H01L51/5206 , H01L51/5218 , H01L51/5221 , H01L51/5271 , H01L51/5275 , H01L2251/5315
摘要： A light emitting device including a micro cavity having a phase modulation surface and a display apparatus including the light emitting device are provided. The light emitting device includes a reflective layer including a phase modulation surface; a first electrode disposed on the phase modulation surface of the reflective layer; a light emitting structure disposed on the first electrode; and a second electrode disposed on the light emitting structure. The phase modulation surface may include a plurality of nano scale patterns that are regularly or irregularly arranged. The reflective layer and the second electrode may constitute the micro cavity having a resonance wavelength of the light emitting device.
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公开(公告)号：US20200241353A1
公开(公告)日：2020-07-30
申请号：US16777176
申请日：2020-01-30
发明人： Sunghoon LEE , Mark L. BRONGERSMA , Brandon BORN
IPC分类号： G02F1/1335 , G02B5/18 , G02B5/30 , G02B27/01
摘要： Provided are a grating device, a screen including the grating device, a method of manufacturing the screen, and a display apparatus including the screen. The grating device includes a transparent substrate and a diffraction grating arranged on the transparent substrate, the diffraction grating includes a plurality of meta-diffraction patterns, and each meta-diffraction pattern has a curved shape with a center of curvature provided in a direction parallel to the substrate. The screen includes a first polarizer, a second polarizer arranged next to the first polarizer, and a diffraction grating that is transparent to polarized light that has passed through the second polarizer and reflects polarized light having a polarization direction perpendicular to the polarized light, wherein the diffraction grating includes a plurality of meta-diffraction patterns, each meta-diffraction pattern having a curved shape with a center of curvature positioned in a travelling direction of incident light.
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公开(公告)号：US20180316155A1
公开(公告)日：2018-11-01
申请号：US15965538
申请日：2018-04-27
摘要： A multi-wavelength laser apparatus is provided. The multi-wavelength laser apparatus may include a meta-mirror layer having a surface in which a plurality of patterns are formed, a laser emitter disposed on the meta-mirror layer, and an upper-mirror layer disposed on the laser emitter. The multi-wavelength laser apparatus may further include a conductive graphene layer between the meta-mirror layer and the laser emitter.
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公开(公告)号：US20190064417A1
公开(公告)日：2019-02-28
申请号：US16118033
申请日：2018-08-30
发明人： Wonjae JOO , Mark L. BRONGERSMA , Junghyun PARK
摘要： A beam steering method and device are provided. The beam steering method includes outputting, from a hologram recording medium on which a plurality of signal light beams having different steering information are recorded, signal light beam having specific steering information, by making reference light having a specific characteristic incident on the hologram recording medium. The method further includes o obtaining information about an object existing in the external environment based on the output signal light.
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公开(公告)号：US20180314130A1
公开(公告)日：2018-11-01
申请号：US15965369
申请日：2018-04-27
发明人： Wonjae JOO , Mark L. BRONGERSMA , Juhyung KANG
摘要： An optical device and an optical system including the optical device are provided. The optical device may include a reflective layer and a plurality of nano-beams spaced apart from the reflective layer. The plurality of nano-beams may be formed as a metasurface. The nano-beams may have a pattern structure having a plurality of metasurface forms, and the distance of the gaps between the plurality of nano-beams and the reflective layer may be adjustable individually or as a whole. The optical device may be a beam steering device or an optical phase modulator.
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