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公开(公告)号：US20210238374A1
公开(公告)日：2021-08-05
申请号：US17142599
申请日：2021-01-06
发明人： Sheng Ye , Renate Eva Klementine Landig , Kenneth Alexander Diest , Andrew John Ouderkirk , Charles Robert Bowman , Robert G. Bowman , William Arthur Hendrickson , Christopher J. Rueb , Lafe Joseph Purvis, II , Wenmo Sun , Ryan Li , Oleg Yaroshchuk , Tingling Rao , Arman Boromand , Churning Zhao , Morteza Khaleghimeybodi
IPC分类号： C08J9/00 , H01L41/09 , H01L41/193 , H01L41/45
摘要： A method of forming a voided polymer includes forming a polymerizable composition containing a polymer precursor and a solid templating agent, forming a coating of the polymerizable composition, processing the coating to form a cured polymer material having a solid phase in a plurality of defined regions, and removing at least a portion of the solid phase from the cured polymer material to form a voided polymer layer.
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公开(公告)号：US20220105719A1
公开(公告)日：2022-04-07
申请号：US17137455
申请日：2020-12-30
摘要： A method of manufacturing an optically anisotropic polymer thin film includes forming a composite structure that includes a polymer thin film and a high Poisson's ratio polymer thin film disposed directly over the polymer thin film, attaching a clip array to opposing edges of the composite, the clip array including a plurality of first clips slidably disposed on a first track located proximate to a first edge of the composite and a plurality of second clips slidably disposed on a second track located proximate to a second edge of the composite, applying a positive in-plane strain to the composite along a transverse direction by increasing a distance between the first clips and the second clips, and decreasing an inter-clip spacing amongst the first clips and amongst the second clips along a machine direction, wherein the high Poisson's ratio polymer thin film applies a negative in-plane strain to the polymer thin film along the machine.
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公开(公告)号：US20220105672A1
公开(公告)日：2022-04-07
申请号：US17097261
申请日：2020-11-13
发明人： Andrew John Ouderkirk , Sheng Ye , Arman Boromand
摘要： A method includes attaching a clip array to opposing edges of a polymer thin film, the clip array having a plurality of first clips slidably disposed on a first track located proximate to a first edge of the polymer thin film and a plurality of second clips slidably disposed on a second track located proximate to a second edge of the polymer thin film, applying a positive in-plane strain to the polymer thin film along a transverse direction by increasing a distance between the first clips and the second clips, and decreasing an inter-clip spacing amongst the first clips and amongst the second clips along a machine direction while applying the in-plane strain to form an optically anisotropic polymer thin film.
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公开(公告)号：US20230044340A1
公开(公告)日：2023-02-09
申请号：US17843141
申请日：2022-06-17
IPC分类号： C08J7/04 , C09K5/14 , B32B5/18 , B32B27/32 , B32B27/06 , B32B7/12 , B32B5/02 , B32B5/24 , B32B37/12
摘要： A polymer bilayer includes a layer of a porous fluoropolymer directly overlying a layer of polyethylene. The polyethylene layer may be porous or dense and may include an ultra-high molecular weight polymer. The polymer bilayer may be co-integrated with structures (e.g., wearable devices) exposed to high thermal loads (>0-1000 W/m2) and provide passive cooling thereof. For instance, passive cooling of AR/VR glasses under different solar loads may be achieved by a polymer bilayer that is both highly reflective across solar heating wavelengths and highly emissive in the long-wavelength infrared. The high reflectance decreases energy absorption across the solar spectrum while the high emissivity promotes radiative heat transfer to the surroundings.
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公开(公告)号：US20220191578A1
公开(公告)日：2022-06-16
申请号：US17678972
申请日：2022-02-23
发明人： Vasanth Kumar Ramkumar , Raghav Rao , Alex Ockfen , Rajesh Prasannavenkatesan , David Brokenshire , Eric Mun Khai Leong , Jacklyn Ann Holmes Herbst , Matthew Aaron , Jason Michael Battle , Dong Rim Lee , Arman Boromand
IPC分类号： H04N21/43 , H04N21/4363 , C09D5/22 , H01M50/124 , H01M50/188 , H01M50/148 , G06F1/28
摘要： Some embodiments relate to a method for performing a battery power-based control of an in-call experience based on shared battery power information. Some embodiments relate to a coating of a headset that has a first emissivity over an ultraviolet band and a near-infrared band, a second emissivity over a visible band, and a third emissivity over a mid-to-far infrared band. Some embodiments relate to an aggregate coating of a headset. A thin films is applied to a surface of the headset, and a paint coating is applied to a surface of the thin film to form the aggregate coating. Some embodiments relate to a method for a high-definition multimedia interface derived network timing for distributed audio-video synchronization. Some embodiments relate to a battery containment structure with a metal chassis having surfaces coated with electrical insulators configured to receive a battery, and a lid coupled to the metal chassis.
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公开(公告)号：US20220105696A1
公开(公告)日：2022-04-07
申请号：US17482387
申请日：2021-09-22
发明人： Sheng Ye , Andrew John Ouderkirk , Warren Scott Martin , Ashley Nicole Loper , Arman Boromand , Hao Mei , Christopher Yuan Ting Liao , Emma Rae Mullen
摘要： A method includes attaching a clip array to opposing edges of a polymer thin film, the clip array having a plurality of first clips slidably disposed on a first track located proximate to a first edge of the polymer thin film and a plurality of second clips slidably disposed on a second track located proximate to a second edge of the polymer thin film, applying a positive in-plane strain to the polymer thin film along a transverse direction by increasing a distance between the first and second clips, and decreasing an inter-clip spacing amongst the first clips and amongst the second clips along a machine direction while applying the in-plane strain to form an optically anisotropic polymer thin film. During stretching, a strain rate of the thin film may be decreased and/or a temperature of the thin film may be increased.
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公开(公告)号：US20220082749A1
公开(公告)日：2022-03-17
申请号：US17363982
申请日：2021-06-30
发明人： Tanya MALHOTRA , Tingling RAO , Liliana Ruiz Diaz , Oleg Yaroshchuk , Sheng YE , Andrew John Ouderkirk , Alexander Koshelev , Lafe Joseph Purvis, II , Junren Wang , Arman Boromand
IPC分类号： G02B5/30
摘要： A film stack includes a plurality of first films and a plurality of second films alternately stacked. At least one second film of the plurality of second films includes a solid crystal including crystal molecules aligned in a predetermined alignment direction. At least one first film of the plurality of first films includes an alignment structure configured to at least partially align the crystal molecules of the solid crystal in the predetermined alignment direction.
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公开(公告)号：US20210263205A1
公开(公告)日：2021-08-26
申请号：US16984233
申请日：2020-08-04
IPC分类号： G02B5/30
摘要： A polymer thin film is characterized by a first in-plane refractive index (nx) along a first direction of the polymer thin film, a second in-plane refractive index (ny) along a second direction of the polymer thin film orthogonal to the first direction, and a third refractive index (nz) along a thickness direction substantially orthogonal to both the first direction and the second direction, where nx>nz>ny. Such a polymer thin film may exhibit one or more of (a) an in-plane birefringence of at least approximately 0.05, and (b) nx greater than approximately 1.7.
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公开(公告)号：US20230039862A1
公开(公告)日：2023-02-09
申请号：US17843138
申请日：2022-06-17
摘要： A polymer bilayer includes a layer of a porous fluoropolymer directly overlying a layer of polyethylene. The polyethylene layer may be porous or dense and may include an ultra-high molecular weight polymer. The polymer bilayer may be co-integrated with structures (e.g., wearable devices) exposed to high thermal loads (>0-1000 W/m2) and provide passive cooling thereof. For instance, passive cooling of AR/VR glasses under different solar loads may be achieved by a polymer bilayer that is both highly reflective across solar heating wavelengths and highly emissive in the long-wavelength infrared. The high reflectance decreases energy absorption across the solar spectrum while the high emissivity promotes radiative heat transfer to the surroundings.
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公开(公告)号：US20220242100A1
公开(公告)日：2022-08-04
申请号：US17514298
申请日：2021-10-29
摘要： An optically anisotropic polymer thin film includes a crystallizable polymer and an additive configured to interact with the polymer (e.g., via π-π interactions) to facilitate chain alignment and, in some examples, create a higher crystalline content within the polymer thin film. The polymer thin film may be characterized by a bimodal molecular weight distribution where the molecular weight of the additive may be less than approximately 50% of the molecular weight of the crystallizable polymer. Example crystallizable polymers include polyethylene naphthalate, polyethylene terephthalate, polybutylene naphthalate, polybutylene terephthalate, as well as derivatives thereof. Example additives, which may occupy up to approximately 10 wt. % of the polymer thin film, include aromatic ester oligomers, aromatic amide oligomers, and polycyclic aromatic hydrocarbons, for example. The optically anisotropic polymer thin film may be characterized by a refractive index greater than approximately 1.7 and an in-plane birefringence greater than approximately 0.2.
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