公开(公告)号：US20190265395A1

公开(公告)日：2019-08-29

申请号：US16462251

申请日：2016-12-01

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： John A. Wheatley ,  Gilles J. Benoit ,  Guanglei Du ,  Steven R. Anderson ,  Owen M. Anderson ,  David T. Yust ,  Rolf W. Biernath ,  Gary E. Gaides ,  Brian W. Lueck ,  Neeraj Sharma

IPC: G02B5/136

Abstract: A retroreflective system is disclosed that includes a retroreflective sheet for retroreflecting light, and a light control film disposed on the retroreflective sheet. For a first wavelength, light incident on the light control film at each of a first and second angles of incidence is retroreflected. For a second wavelength, light incident on the light control film at the first, but not the second, angle of incidence is retroreflected.

公开(公告)号：US10008164B2

公开(公告)日：2018-06-26

申请号：US15315076

申请日：2015-05-27

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Guanglei Du ,  John A. Wheatley ,  Christopher R. Yungers ,  James M. Hillis

IPC: G09G3/36 ,  G02F1/1347 ,  G02F1/13 ,  F21V8/00

CPC classification number: G09G3/3644 ,  G02B6/0011 ,  G02F1/1323 ,  G02F1/13306 ,  G02F1/133504 ,  G02F1/13476 ,  G09G2310/06 ,  G09G2320/068

Abstract: Optical systems are described that include a switchable diffuser, a display panel, a lighting component and a diffuser controller. The diffuser controller is configured to switch the state of the switchable diffuser when the diffuser controller determines that the diffuser state is to be changed. The diffuser controller may be configured to vary an output level of the display panel in association with a change in state of the switchable diffuser. The optical system may also include a switching device which may be separable from the display panel.

公开(公告)号：US09575352B2

公开(公告)日：2017-02-21

申请号：US13948371

申请日：2013-07-23

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Brian T. Weber ,  Qingbing Wang ,  Patrick M. Campbell ,  Glenn E. Casner ,  Guanglei Du ,  John A. Wheatley

IPC: G02F1/133 ,  G02F1/1334 ,  G09G3/00 ,  G02F1/137

CPC classification number: G02F1/1334 ,  G02F1/13718 ,  G02F2001/13775 ,  G09G3/00 ,  G09G3/001 ,  G09G3/3622

Abstract: A display system includes a switchable display screen comprising a first transparent substrate, a first transparent conductive layer disposed upon the first transparent substrate, a second transparent substrate, and a second transparent conductive layer disposed upon the second transparent substrate. The display screen further includes a polymer-stabilized cholesteric texture layer and spacer elements disposed between and in contact with the first transparent conductive layer and the second conductive layer. The display screen comprises a plurality of addressable regions, each region capable of being switched from a transparent state to a diffuse state.

Abstract translation: 显示系统包括可切换显示屏，其包括第一透明基板，设置在第一透明基板上的第一透明导电层，第二透明基板和设置在第二透明基板上的第二透明导电层。 显示屏幕还包括聚合物稳定的胆甾醇结构层和设置在第一透明导电层和第二导电层之间并与第一透明导电层和第二导电层接触的间隔元件。 显示屏幕包括多个可寻址区域，每个区域能够从透明状态切换到漫射状态。