-
公开(公告)号：US12117635B2
公开(公告)日：2024-10-15
申请号：US17438245
申请日：2020-04-28
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Michelle L. Toy , Kristy A. Gillette , Matthew B. Johnson , Eileen M. Franey , Carley A. Haroldson , Joseph P. Attard , Guy M. Kallman , William Blake Kolb
CPC classification number: G02B5/305 , G02B27/0101 , G02B2027/012
Abstract: An optical stack includes an optical film (200) and an optical adhesive (500) disposed on the optical film. The optical adhesive has a major structured surface facing away from the optical film that includes a plurality of channels formed therein. The channels define a plurality of substantially flat land regions therebetween. The land regions include at least about 50% of a total surface area of the major structured surface. When the optical stack is placed on a support surface with the major structured surface of the optical adhesive contacting the support surface, the optical stack bonds to the support surface and may be removed from, or slidingly repositioned on, the support surface without damage to the optical adhesive or the support surface, and upon application of at least one of heat and pressure, the optical stack substantially permanently bonds to the support surface and the plurality of channels substantially disappear.
-
公开(公告)号：US12105302B2
公开(公告)日：2024-10-01
申请号：US18568323
申请日：2022-06-28
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Kristy A. Gillette , Zhaohui Yang , Joseph P. Attard , Martin E. Denker
CPC classification number: G02B3/0037 , G02B5/02 , G06V40/1318
Abstract: An integral optical stack includes a lens film having first and second major surfaces. The first major surface includes microlenses having an average peak-to-valley height PV1. A light absorbing layer is disposed on the lens film and defines a plurality of openings. A substantially planarizing optically diffusive layer is disposed on the first major surface of the lens film, conforming to the microlenses. The optically diffusive layer includes a plurality of nanoparticles. A polymeric material bonds the nanoparticles to each other to form a plurality of nanoparticle aggregates defining a plurality of voids therebetween. The optically diffusive layer has an average thickness greater than about 8 microns, and an index of refraction of less than about 1.25. Any non-planarity of a major surface of the optically diffusive layer due to the microlenses of the first major surface has an average peak-to-valley height PV2, PV2≤0.7 PV1.
-
公开(公告)号：US20240272334A1
公开(公告)日：2024-08-15
申请号：US18568323
申请日：2022-06-28
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Kristy A. Gillette , Zhaohui Yang , Joseph P. Attard , Martin E. Denker
CPC classification number: G02B3/0037 , G02B5/02 , G06V40/1318
Abstract: An integral optical stack includes a lens film having first and second major surfaces. The first major surface includes microlenses having an average peak-to-valley height PV1. A light absorbing layer is disposed on the lens film and defines a plurality of openings. A substantially planarizing optically diffusive layer is disposed on the first major surface of the lens film, conforming to the microlenses. The optically diffusive layer includes a plurality of nanoparticles. A polymeric material bonds the nanoparticles to each other to form a plurality of nanoparticle aggregates defining a plurality of voids therebetween. The optically diffusive layer has an average thickness greater than about 8 microns, and an index of refraction of less than about 1.25. Any non-planarity of a major surface of the optically diffusive layer due to the microlenses of the first major surface has an average peak-to-valley height PV2, PV2≤0.7 PV1.
-
公开(公告)号：US20230368569A1
公开(公告)日：2023-11-16
申请号：US18195475
申请日：2023-05-10
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Kristy A. Gillette , Zhaohui Yang , Encai Hao , William J. Gray
CPC classification number: G06V40/1324 , G02B5/003 , G02B5/208 , G02B3/0056
Abstract: An integral optical construction includes a lens layer including a structured first major surface having a plurality of microlenses. An optically opaque mask layer is disposed on the lens layer and defines a plurality of openings. Each of the openings extends from a first major surface of the mask layer facing the lens layer to an opposite second major surface of the mask layer. The openings are in a one-to-one correspondence with the microlenses. Regions of the mask layer between the openings have an optical density of greater than about 2 for at least a first visible wavelength in a visible wavelength range. An optical adhesive layer is disposed on, and makes physical contact with, the second major surface of the mask layer. The optical adhesive layer defines a recess at each of the openings. The recess includes a closed bottom and an opposite open top open to the opening.
-
公开(公告)号：US20230365840A1
公开(公告)日：2023-11-16
申请号：US18196810
申请日：2023-05-12
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Encai Hao , Kristy A. Gillette
IPC: C09J7/38
CPC classification number: C09J7/385 , C09J2301/16 , C09J2301/414 , C09J2301/416 , C09J2433/00
Abstract: High temperature and high humidity stable optically clear adhesives include a curable (meth)acrylate copolymer having a weight average molecular weight in a range of 100,000 to 400,000 Da, an optional photoinitiator, and a co-curable additive mixture. The additive mixture has at least one epoxy (meth)acrylate oligomer, at least one amine-functional (meth)acrylate, and at least one urethane (meth)acrylate oligomer. The cured adhesive composition has a shear storage modulus (G′) greater than 90 kiloPascals (kPa) when measured at 70° C. and at a frequency of 1 radian/second, and a Tan Delta of 0.2 or less at 70° C., where Tan Delta is the calculated ratio (G″/G′) of the measured shear storage modulus (G′) and shear loss modulus (G″).
-
Patent Agency Ranking
公开(公告)号：US20240012179A1
公开(公告)日：2024-01-11
申请号：US18253459
申请日：2021-11-16
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Adam D. Haag , Kristy A. Gillette , John D. Le , David J.W. Aastuen
Abstract: An optical lens includes a lens substrate including a cyclic olefin copolymer, an optical film including a plurality of alternating first and second polymeric layers, and a bonding film disposed on, and bonding the optical film to, a major surface of the lens substrate. The bonding film causes an average peel force to separate the optical film from the lens substrate to be greater than about 100 g/in while maintaining for at least one outermost major surface of the optical film, a mean displacement surface roughness Sa of less than about 10 nm and a slope magnitude error of less than about 100 μrad, and/or lower and higher spatial frequency slope magnitude errors each less than about 100 μrad.
-
公开(公告)号：US20230280512A1
公开(公告)日：2023-09-07
申请号：US18171748
申请日：2023-02-21
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Joseph P. Attard , Kristy A. Gillette , Tri D. Pham , Zhaohui Yang
CPC classification number: G02B5/201 , G02B3/0075
Abstract: An optical construction includes a lens layer having a structured first major surface including a plurality of microlenses; an optical filter disposed on the lens layer; an optically opaque mask layer disposed between the lens layer and the optical filter and defining a plurality of openings therein; and a low index layer disposed on the optical filter. For a first wavelength in a visible wavelength range, a second wavelength that can be in an infrared wavelength range, the optical filter has: an optical transmission of greater than about 50% for the first wavelength for each of a first incident angle of less than about 10 degrees and a second incident angle of greater than about 30 degrees, and for the second wavelength, an optical transmission of less than about 15% for the first incident angle and of greater than about 30% for the second incident angle.
-
公开(公告)号：US20230066094A1
公开(公告)日：2023-03-02
申请号：US17797480
申请日：2021-02-01
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Kristy A. Gillette , Michelle L. Toy , William Blake Kolb , Jonah Shaver , Jason S. Petaja
IPC: G02F1/13357 , G02F1/1335
Abstract: A backlight includes an extended light source adapted to emit light. A reflective polarizer is disposed on the extended light source, such that for substantially normally incident light and for at least a first wavelength in a range from about 420 nanometer (nm) to about 650 nm, the reflective polarizer reflects at least 60% of the incident light having a first polarization state and transmits at least 60% of the incident light having an orthogonal second polarization state. A first prismatic film is disposed between the extended light source and the reflective polarizer. A retarder layer is disposed between the reflective polarizer and the first prismatic film, such that for substantially normally incident light at a wavelength of about 550 nm, the retarder layer has a retardance nW, where n is an integer ≥1 and W is a wavelength between about 160 nm and about 300 nm.
-
9.发明申请公开(公告)号：US20200166684A1
公开(公告)日：2020-05-28
申请号：US16624644
申请日：2018-06-26
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Kristy A. Gillette , Matthew B. Johnson , Carl A. Stover
IPC: G02B5/30 , B32B27/06 , G02F1/1335
Abstract: Rolls of film are described. In particular, rolls of film including multilayer birefringent polarizers having low pass axis variation are described. The multilayer birefringent polarizers have low pass axis variation across a full crossweb width of the roll of film.
-
公开(公告)号：US20180215060A1
公开(公告)日：2018-08-02
申请号：US15747353
申请日：2016-08-17
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Matthew B. Johnson , Steven P. Floeder , Kristy A. Gillette , Arthur L. Kotz , Michael L. Ruegsegger
CPC classification number: B26D5/32 , B26D5/007 , B26F1/44 , B41M3/003 , G02B5/04 , G02B5/20 , G02B5/3033 , G02B5/3041 , G02B5/3083
Abstract: Optical films having an optical axis with an orientation that varies along a width of the optical film and having one or more indicia recording the orientation of the optical axis at a plurality of locations in the optical film are provided. Systems and methods for producing and for converting the optical films are provided.
-
-
-
-
-
-
-
-
-
Search Results
32
records
(took 0.026 seconds)
