公开(公告)号：US20250155613A1

公开(公告)日：2025-05-15

申请号：US18931483

申请日：2024-10-30

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Kristopher J. Derks ,  Tri D. Pham ,  Kenneth A. Epstein ,  David J. Lamb

IPC: G02B5/02

Abstract: An optical film includes a microstructured surface comprising a plurality of prismatic structures, the microstructured surface defining a reference plane and a thickness direction perpendicular to the reference plane; wherein the plurality of prismatic structures includes a plurality of facets, each facet having a facet normal direction forming a polar angle with respect to the thickness direction and an azimuthal angle along the reference plane, and wherein the microstructured surface has a surface azimuthal distribution of the plurality of facets that is substantially uniform, and wherein the microstructured surface has a surface polar distribution of the plurality of facets that has an off-axis peak polar distribution.

公开(公告)号：US20240210600A1

公开(公告)日：2024-06-27

申请号：US18557199

申请日：2022-04-14

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Tao Liu ,  Shu-Ching Fan ,  Gary T. Boyd ,  David Scott Thompson ,  Caleb T. Nelson ,  Tri D. Pham ,  Adam T. Ringberg ,  Daniel J. Schmidt ,  Owen M. Anderson

IPC: G02B3/08 ,  G02B5/02

CPC classification number: G02B3/08 ,  G02B5/02

Abstract: An optical system includes an optical film curved about a first axis and a light control film curved about the first axis and substantially coextensive with the optical film. The optical film includes a first layer including a microstructured first major surface where the microstructured first major surface defines a linear Fresnel lens including a plurality of Fresnel elements extending along the first axis. The first major surface of the optical film faces the light control film. The light control film includes a plurality of spaced apart optically absorptive regions extending along the first axis and along a direction substantially normal to a major surface of the light control film. At least one of the optical film or at least one layer disposed between the optical film and the light control film includes at least one reflection mitigation element.

公开(公告)号：US20240142673A1

公开(公告)日：2024-05-02

申请号：US17769280

申请日：2020-10-29

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Tao Liu ,  Gary T. Boyd ,  Daniel J. Schmidt ,  Caleb T. Nelson ,  Owen M. Anderson ,  Tri D. Pham

IPC: G02B3/08 ,  G02B1/10

CPC classification number: G02B3/08 ,  G02B1/10

Abstract: An optical film has a major surface including a plurality of microstructures. Each microstructure includes an optical facet and a sidewall meeting the optical facet at a ridge of the microstructure. The optical facet and the sidewall define an oblique angle therebetween. For each microstructure in at least a majority of the microstructures, an optically absorptive layer is disposed on the sidewall. The optical film can include a polymeric layer having a microstructured surface at least partially coated with an inorganic optically transparent layer. The optically absorptive layer can an average thickness t where 100 nm

公开(公告)号：US11960683B2

公开(公告)日：2024-04-16

申请号：US17996583

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

IPC: G06F3/042 ,  F21V8/00 ,  G02B5/02 ,  G02B5/30

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%.

公开(公告)号：US20240094443A1

公开(公告)日：2024-03-21

申请号：US17767977

申请日：2020-10-15

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Zhaohui Yang ,  Matthew S. Stay ,  Matthew R.D. Smith ,  Tri D. Pham ,  Adam T. Ringberg ,  Serena L. Schleusner

IPC: G02B3/00 ,  G02B1/04 ,  G02B5/00

CPC classification number: G02B3/0056 ,  G02B1/041 ,  G02B5/003

Abstract: An optical system is disclosed and includes an optical sensor configured to receive light and form an image. The optical system further includes a microlens film including a structured first major surface opposite a second major surface, the structured first major surface includes a regular array of spaced apart microlenses arranged across a width and a length of the microlens film and each microlens has an effective imaging area and configured to form an image onto the optical sensor. A light absorbing layer is disposed on the array of spaced apart microlenses and reduces the effective imaging area of each microlens by at least 10%. A display panel, the optical sensor, the microlens film and the display plane are substantially co-extensive with each other along the width and length of the microlens film.

公开(公告)号：US20210271003A1

公开(公告)日：2021-09-02

申请号：US17259299

申请日：2019-08-08

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Zhaohui Yang ,  Przemyslaw P. Markowicz ,  John A. Wheatley ,  Qingbing Wang ,  Mark A. Roehrig ,  Tri D. Pham ,  Serena L. Schleusner ,  Kenneth A.P. Meyer ,  Levent Biyikli ,  Thomas V. Weigman

IPC: G02B3/00 ,  G02B5/28

Abstract: An optical element including an array of microlenses, a pinhole mask, and a wavelength selective filter is described. The pinhole mask includes an array of pinholes with each pinhole in the array of pinholes aligned with a microlens in the first array of microlenses. The wavelength selective filter is adapted to transmit a first light ray having a first wavelength and transmitted from a first microlens in the array of microlenses through a first pinhole in the array of pinholes aligned with the first microlens, and to attenuate a second light ray having the first wavelength and transmitted from the first microlens through a second pinhole in the array of pinholes aligned with a second microlens in the first array of microlenses adjacent to the first microlens.

公开(公告)号：US12298539B2

公开(公告)日：2025-05-13

申请号：US17596633

申请日：2020-06-11

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Tao Liu ,  Gary T. Boyd ,  Tri D. Pham ,  Garth V. Antila ,  Keith R. Jacobs

IPC: G02B5/00

Abstract: A curved display includes a display panel having a curved major surface and a light control film disposed proximate the display panel. The curved major surface is curved about a first axis, and a central portion of the curved major surface has a surface normal along a second axis substantially orthogonal to the first axis. The light control film includes a major surface having a substantially same shape as the curved major surface and includes a plurality of alternating optically transmissive and optically absorptive regions. In a cross-section orthogonal to the first axis, a transmissive region and adjacent absorptive regions define a central ray transmission direction through the optically transmissive region such that a light ray emitted by the display panel and transmitted through the optically transmissive region along the transmission direction is refracted upon exiting the curved display into a direction substantially parallel to the second axis.

公开(公告)号：US20240027262A1

公开(公告)日：2024-01-25

申请号：US18265576

申请日：2021-11-30

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Neeraj Sharma ,  Przemyslaw P. Markowicz ,  Timothy J. Reddy ,  Mark A. Roehrig ,  Tri D. Pham

IPC: G01J1/04

CPC classification number: G01J1/0411 ,  G06V40/1318

Abstract: Various embodiments of an optical construction and an electronic device that includes such optical construction are disclosed. The optical construction includes a lens film having an outermost structured first major surface and an opposing outermost substantially planar second major surface. The structured first major surface includes a plurality of microlenses. The optical construction also includes a mask disposed adjacent to the second major surface of the lens film and includes a plurality of laser-ablated openings disposed through the mask. The openings are aligned to the microlenses in a one-to-one correspondence. The mask further includes a UV-cured polymer material and an optically absorptive material.

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

IPC: F21V8/00 ,  G06V40/13

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.

公开(公告)号：US20230228919A1

公开(公告)日：2023-07-20

申请号：US17996511

申请日：2021-04-20

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Matthew E. Sousa ,  Matthew S. Cole ,  Jeremy O. Swanson ,  Bharat R. Acharya ,  Jason S. Petaja ,  Anthony M. Renstrom ,  Tri D. Pham ,  David A. Rosen ,  Qunyi Chen ,  Lisa A. DeNicola ,  Quinn D. Sanford

IPC: G02B5/02 ,  G02B1/04

CPC classification number: G02B5/0242 ,  G02B1/04 ,  G02B2207/101 ,  G02B27/0093

Abstract: Optical films and stacks include at least one optically diffusive layer. The optically diffusive layer can include a plurality of nanoparticles and a polymeric material bonding the nanoparticles to each other to form a plurality of nanoparticle aggregates defining a plurality of voids therebetween. For 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: in the visible wavelength range, the optical film or optically diffusive layer has an average specular transmittance Vs; and in the infrared wavelength range, the optical film or optically diffusive layer has an average total transmittance It and an average specular transmittance Is, Is/It≥0.6, Is/Vs≥2.5.