公开(公告)号：US12222599B2

公开(公告)日：2025-02-11

申请号：US17776941

申请日：2020-12-01

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Zhaohui Yang ,  Przemyslaw P. Markowicz ,  Mark A. Roehrig ,  Tri D. Pham ,  Serena L. Schleusner ,  David A. Rosen ,  Yang Liu

IPC: G02F1/1335 ,  G02B3/00

Abstract: An optical system includes a lens layer including a plurality of microlenses arranged along orthogonal first and second directions, and at least one optically opaque mask layer spaced apart from the lens layer and defining a plurality of through openings therein arranged along the first and second directions. There is a one-to-one correspondence between the microlenses and the openings, such that for each microlens, the microlens and corresponding openings are substantially centered on a straight line making a same oblique angle with the lens layer. An optical layer can include the lens layer and the optically opaque mask layer embedded in the optical layer.

公开(公告)号：US20230333289A1

公开(公告)日：2023-10-19

申请号：US18024946

申请日：2021-08-13

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Stephen P. Maki ,  Zhaohui Yang ,  Przemyslaw P. Markowicz ,  Mark A. Roehrig ,  Tri D. Pham ,  Serena L. Mollenhauer ,  David A. Rosen ,  Yang Liu

IPC: G02B3/00 ,  G02B5/00

CPC classification number: G02B3/0056 ,  G02B5/003 ,  G02F1/13338

Abstract: An optical construction can include a lens layer including microlenses formed on a substrate and at least one light absorbing optical cavity disposed on a substrate side of the lens layer. Each light absorbing optical cavity has an average thickness of less than about 300 nm and includes an optically transparent middle layer disposed between light absorbing first and second end layers. Each of the first and second end layers, but not the middle layer, defines a plurality of through openings therein aligned in a one-to-one correspondence with the microlenses. The optical construction can include an optically transparent spacer layer disposed between two light absorbing optical cavities. An optical system includes the optical construction and a refractive component including at least one prism film.

公开(公告)号：US12153245B2

公开(公告)日：2024-11-26

申请号：US18025988

申请日：2020-09-18

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Zhe Hu ,  Mingxing Wang ,  Tuhua Chen ,  Zhiping Liu ,  Yang Liu ,  Xiulong Men ,  Hailiang Hou ,  Huijie Xie ,  Yifei Zheng ,  Feng Zhao ,  Jingfei Chen ,  Bharat R. Acharya ,  Quinn D. Sanford ,  Matthew S. Cole ,  Tao Zhang

IPC: G06V40/13 ,  F21V8/00 ,  G02B27/14 ,  G02F1/1333

Abstract: An optical construction (100) includes a lightguide (102), a transmissive reflector (112), and an optical sensor (114). The lightguide (102) includes a first major surface (104) and a second major surface (106) opposite to the first major surface (104). The first major surface (104) includes a first portion (108) and an adjoining second portion (110). The transmissive reflector (112) is disposed adjacent to the first major surface (104) of the lightguide (102). The optical sensor (114) is disposed adjacent to the transmissive reflector (112) opposite to the lightguide (102). The optical sensor (114) is aligned with the first portion (108) of the first major surface (104) of the lightguide (102), such that the optical sensor (114) receives at least a portion of light passing through the first portion (108) of the first major surface (104) and transmitted by the transmissive reflector (112). The optical construction (100) further includes an enclosed gap (116) disposed between the first portion (108) of the first major surface (104) of the lightguide (102) and the transmissive reflector (112).

公开(公告)号：US20230367057A1

公开(公告)日：2023-11-16

申请号：US18025988

申请日：2020-09-18

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Zhe Hu ,  Mingxing Wang ,  Tuhua Chen ,  Zhiping Liu ,  Yang Liu ,  Xiulong Men ,  Hailiang Hou ,  Huijie Xie ,  Yifei Zheng ,  Feng Zhao ,  Jingfei Chen ,  Bharat R. Acharya ,  Quinn D. Sanford ,  Matthew S. Cole ,  Tao Zhang

IPC: F21V8/00

CPC classification number: G02B6/0055 ,  G02B27/14

Abstract: An optical construction (100) includes a lightguide (102), a transmissive reflector (112), and an optical sensor (114). The lightguide (102) includes a first major surface (104) and a second major surface (106) opposite to the first major surface (104). The first major surface (104) includes a first portion (108) and an adjoining second portion (110). The transmissive reflector (112) is disposed adjacent to the first major surface (104) of the lightguide (102). The optical sensor (114) is disposed adjacent to the transmissive reflector (112) opposite to the lightguide (102). The optical sensor (114) is aligned with the first portion (108) of the first major surface (104) of the lightguide (102), such that the optical sensor (114) receives at least a portion of light passing through the first portion (108) of the first major surface (104) and transmitted by the transmissive reflector (112). The optical construction (100) further includes an enclosed gap (116) disposed between the first portion (108) of the first major surface (104) of the lightguide (102) and the transmissive reflector (112).

公开(公告)号：US20220397791A1

公开(公告)日：2022-12-15

申请号：US17776941

申请日：2020-12-01

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Zhaohui Yang ,  Przemyslaw P. Markowicz ,  Mark A. Roehrig ,  Tri D. Pham ,  Serena L. Schleusner ,  David A. Rosen ,  Yang Liu

IPC: G02F1/1335 ,  G02B3/00

Abstract: An optical system includes a lens layer including a plurality of microlenses arranged along orthogonal first and second directions, and at least one optically opaque mask layer spaced apart from the lens layer and defining a plurality of through openings therein arranged along the first and second directions. There is a one-to-one correspondence between the microlenses and the openings, such that for each microlens, the microlens and corresponding openings are substantially centered on a straight line making a same oblique angle with the lens layer. An optical layer can include the lens layer and the optically opaque mask layer embedded in the optical layer.