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.

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

IPC: G02B5/30 ,  G02B5/26

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.

公开(公告)号：US20250020837A1

公开(公告)日：2025-01-16

申请号：US18895687

申请日：2024-09-25

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

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.

公开(公告)号：US20240264339A1

公开(公告)日：2024-08-08

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 ,  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.

公开(公告)号：US20240151889A1

公开(公告)日：2024-05-09

申请号：US18548438

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 ,  Robert L. Brott ,  Gilles J-B Benoit

IPC: G02B5/30 ,  G02B5/08

CPC classification number: G02B5/305 ,  G02B5/0841

Abstract: A multilayer optical film includes a plurality of optical repeat units. Each of the optical repeat units includes at least four sequentially arranged first through fourth layers including first and third layers having respective f-ratios f1 and f3. The optical film has a first order reflection band having a reflection peak height Rp1 and any second order reflection band has a reflection peak height Rp2, where Rp1/Rp2≥5. Rp1/Rp2 may remain at least 5 when changing at least one of the f-ratios f1 and f3 continuously by 0.2. A thickness of each of the second and fourth layers can be less than a thickness of each of the first and third layers by at least a factor of 2, or a thickness of a same one of the first and third layers can differ from a thickness of each other layer by at least a factor of 2.5.