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公开(公告)号：US20240201427A1
公开(公告)日：2024-06-20
申请号：US18555741
申请日：2022-04-05
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Lin Zhao , Gilles J. Benoit , Stephen A. Johnson
CPC classification number: G02B5/26 , G02B5/3083
Abstract: A multilayer optical film includes a plurality of polymeric first layers numbering at least 10 in total where each of the first layers has an average thickness less than about 500 nm. For a p-polarized incident light, and for each of a first incident angle and a second incident angle greater than the first incident angle by at least about 40 degrees: a reflectance of each of the optical film and the plurality of polymeric first layers versus wavelength has a reflection band having a left band edge (LBE) at a short wavelength side of the reflection band and a right band edge (RBE) at a long wavelength side of the reflection band. A separation between the RBEs is less than a separation between the LBEs for the first incident angle, and a separation between the RBEs is greater than a separation between the LBEs for the second incident angle.
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公开(公告)号：US20230341615A1
公开(公告)日：2023-10-26
申请号：US17996676
申请日：2021-05-04
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Bharat R. Acharya , Robert D. Taylor , Joseph P. Attard , Benjamin J. Forsythe , David T. Yust , Matthew E. Sousa , Jason S. Petaja , Anthony M. Renstrom , William Blake Kolb , Matthew S. Cole , Matthew S. Stay , Matthew R.D. Smith , Jeremy O. Swanson , Tri D. Pham , David A. Rosen , Qunyi Chen , Lisa A. DeNicola , Quinn D. Sanford , Carl A. Stover , Lin Zhao , Gilles J. Benoit
CPC classification number: G02B6/0056 , G02B6/0051 , G06V40/1318
Abstract: An optical construction includes a reflective polarizer and an optically diffusive film disposed on the reflective polarizer. The reflective polarizer includes an outer layer including a plurality of first particles partially protruding from a first major surface thereof to form a structured major surface. A first optically diffusive layer is conformably disposed on the structured major surface. The optically diffusive film includes a second optically diffusive layer including a plurality of nanoparticles dispersed therein, and a structured layer including a structured major surface. For a substantially normally incident light and a visible wavelength range from about 450 nm to about 650 nm and an infrared wavelength range from about 930 nm to about 970 nm, the second optically diffusive layer has an average specular transmittance Vs in the visible wavelength range and an average specular transmittance Is in the infrared wavelength range, where Is/Vs≥2.5.
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公开(公告)号：US12271080B2
公开(公告)日：2025-04-08
申请号：US18715302
申请日：2022-12-02
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Gilles J. Benoit , Lin Zhao , Matthew B. Johnson
IPC: G02F1/00 , G02F1/1335 , G02F1/13357
Abstract: An optical film includes a plurality of first layers disposed on a plurality of polymeric second layers. Each of at least 30% of the first layers includes at least 30% by weight of an inorganic material. For a substantially normally incident light, a blue wavelength range extending from about 420 mn to about 480 m, a green wavelength range extending from about 490 nm to about 560 in, and a red wavelength range extending from about 590 nm to about 670 nm, the optical film and the plurality of second layers have respective average optical reflectances Rof(b) and R2(b) in the blue wavelength range, Rof(g) and R2(g) in the green wavelength range, and Rof(r) and R2(r) in the red wavelength range, where 0≤Rof(b)−R2(b)≤25%; Rof(g)−R2(g)>30%; and each of Rof(r) and R2(r) is greater than about 60% and |Rof(r)−R2(r)| is less than about 20%.
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公开(公告)号：US20240411070A1
公开(公告)日：2024-12-12
申请号：US18709846
申请日：2022-11-14
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Matthew S. Johnson , Gilles J. Benoit , Lin Zhao
Abstract: A multilayer optical film includes a plurality of optical repeat units, each including at least four layers. For an incident angle of less than about 10 degrees and for p- and s-polarizations, the plurality of optical repeat units has respective average optical reflectances Rpv and Rsv in a visible wavelength range and respective average optical reflectances Rpi and Rsi in an infrared wavelength range, where Rpi/Rpv Rs2>Rs1.
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公开(公告)号：US12130455B2
公开(公告)日：2024-10-29
申请号：US18569302
申请日：2022-06-28
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Adam D. Haag , Gilles J. Benoit , Stephen A. Johnson , Samuel A. Minno , Quinn D. Sanford , Lin Zhao , Robert D. Taylor
IPC: G02B5/08 , F21V8/00 , G02B5/30 , G02B27/28 , G02F1/13357
CPC classification number: G02B5/0841 , G02B5/305 , G02B5/3066 , G02B5/3083 , G02B6/0055 , G02B27/281 , G02F1/133605
Abstract: A multilayer partial mirror includes a plurality of alternating first a second polymeric layers numbering at least 50 in total, disposed between, and integrally formed with, opposing first and second polymeric skin layers. For a visible wavelength range extending from about 420 nm to about 680 nm and an incident light propagating in an incident plane that includes a x-direction, and for an s-polarized incident light, the multilayer partial mirror has an average reflectance Rs1 for a first incident angle of less than about 10 degrees, and an average reflectance Rs2 for a second incident angle of greater than about 45 degrees, and for a p-polarized incident light, the multilayer partial mirror has an average reflectance Rp1 for the first incident angle, and an average reflectance Rp2 for the second incident angle. Each of Rs2/Rs1 and Rp2/Rp1 is greater than about 1.15.
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Patent Agency Ranking
公开(公告)号：US20240256088A1
公开(公告)日：2024-08-01
申请号：US18604764
申请日：2024-03-14
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Bharat R. Acharya , Robert D. Taylor , Joseph P. Attard , Benjamin J. Forsythe , David T. Yust , Matthew E. Sousa , Jason S. Petaja , Anthony M. Renstrom , William Blake Kolb , Matthew S. Cole , Matthew S. Stay , Matthew R.D. Smith , Jeremy O. Swanson , Tri D. Pham , David A. Rosen , Qunyi Chen , Lisa A. DeNicola , Quinn D. Sanford , Carl A. Stover , Lin Zhao , Gilles J. Benoit
CPC classification number: G06F3/0421 , G02B5/0226 , G02B5/305 , G02B6/0051
Abstract: A display system for sensing a finger of a user applied to the display system includes a display panel; a sensor for sensing the finger; a sensing light source configured to emit a first light having a first wavelength W1; and a reflective polarizer disposed between the display panel and the sensor. For a substantially normally incident light, an optical transmittance of the reflective polarizer versus wavelength for a first polarization state has a band edge such that for a first wavelength range extending from a smaller wavelength L1 to a greater wavelength L2 and including W1, where 30 nm≤L2−L1≤50 nm and L1 is greater than and within about 20 nm of a wavelength L3 corresponding to an optical transmittance of about 50% along the band edge, the optical transmittance has an average of greater than about 75%.
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公开(公告)号：US20240192415A1
公开(公告)日：2024-06-13
申请号：US18552250
申请日：2022-03-03
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Lin Zhao , Gilles J. Benoit , Matthew B. Johnson , Raghunath Padiyath , Edward J. Kivel
IPC: G02B5/28
CPC classification number: G02B5/282
Abstract: A multilayer optical film includes a plurality of optical repeat units where each of the optical repeat units includes at least individual first and second layers. The first and second layers in each of the optical repeat units have respective indices of refraction n1 and n2 and corresponding respective f-ratios f1 and f2 along a same in-plane first direction for a same first visible wavelength in a visible wavelength range extending from about 420 nm to about 680 nm, where n1>n2, and one of f1 and f2 is between about 0.55 and about 0.80. For illuminant D65 light incident on the multilayer optical film, the multilayer optical film reflects and transmits the incident light with the reflected and transmitted lights having color shifts below specified limits in a CIE L*a*b* color space. A glass laminate includes the multilayer optical film disposed between glass layers.
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公开(公告)号：US20240184030A1
公开(公告)日：2024-06-06
申请号：US18279638
申请日：2022-02-17
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Kevin T. Huseby , Stephen A. Johnson , Samuel A. Minno , Lin Zhao , William T. Fay , David T. Yust , Adam D. Haag
CPC classification number: G02B5/305 , G02B5/26 , G02B5/3083
Abstract: A multilayer optical film includes a plurality of optical repeat units which may number less than about 175 in total and which may have a combined average thickness of less than about 20 micrometers. Each of the optical repeat units includes at least four individual layers which may include at least one polymeric A layer, at least two B layers, and at least one polymeric C layer. At least one layer in the at least four individual layers can have an average thickness of less than about 50 nm. An interlayer adhesion of the individual layers in the plurality of optical repeat units can be at least about 14 grams per inch when measured at a 90 degree peel angle. The multilayer optical film may be a reflective polarizer or a multilayer optical mirror.
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公开(公告)号：US11885999B2
公开(公告)日：2024-01-30
申请号：US17996676
申请日：2021-05-04
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Bharat R. Acharya , Robert D. Taylor , Joseph P. Attard , Benjamin J. Forsythe , David T. Yust , Matthew E. Sousa , Jason S. Petaja , Anthony M. Renstrom , William Blake Kolb , Matthew S. Cole , Matthew S. Stay , Matthew R.D. Smith , Jeremy O. Swanson , Tri D. Pham , David A. Rosen , Qunyi Chen , Lisa A. DeNicola , Quinn D. Sanford , Carl A. Stover , Lin Zhao , Gilles J. Benoit
CPC classification number: G02B6/0056 , G02B6/0051 , G06V40/1318
Abstract: An optical construction includes a reflective polarizer and an optically diffusive film disposed on the reflective polarizer. The reflective polarizer includes an outer layer including a plurality of first particles partially protruding from a first major surface thereof to form a structured major surface. A first optically diffusive layer is conformably disposed on the structured major surface. The optically diffusive film includes a second optically diffusive layer including a plurality of nanoparticles dispersed therein, and a structured layer including a structured major surface. For a substantially normally incident light and a visible wavelength range from about 450 nm to about 650 nm and an infrared wavelength range from about 930 nm to about 970 nm, the second optically diffusive layer has an average specular transmittance Vs in the visible wavelength range and an average specular transmittance Is in the infrared wavelength range, where Is/Vs≥2.5.
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20.发明公开公开(公告)号：US20230366642A1
公开(公告)日：2023-11-16
申请号：US18246857
申请日：2021-10-28
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Timothy J. Hebrink , Lynn E. Lorimor , Lin Zhao
CPC classification number: F28F13/18 , G02B5/0226 , B60H1/32
Abstract: The present disclosure provides a radiative cooling article including a white diffusely reflective microporous layer and a non-white color reflective mirror film having first and second optical layers. The white diffusely reflective microporous layer has a solar weighted reflectivity at normal incidence of electromagnetic radiation over a majority of wavelengths in a range of 350 nanometers (nm) to 2500 nm of 0.8 or greater, 0.85, 0.9, or 0.95 or greater. The non-white color reflective film is disposed adjacent to a major surface of the white diffusely reflective microporous layer and the non-white color reflective film reflects a wavelength bandwidth of at least 30 nm within a wavelength range of 350 nm to 700 nm. The non-white color reflective film can be tuned to reflect light of a specific color (e.g., blue light, green light, or red light). The radiative cooling article may be useful for applications including commercial graphics located outdoors (e.g., on vehicles or buildings). The present disclosure further provides a composite cooling article including the radiative cooling article attached to a vehicle or a trailer. Also, the present disclosure provides a multi-surface passive cooling article including first and second elements in which at least one of the elements includes the radiative cooling article.
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