公开(公告)号：US20250076555A1

公开(公告)日：2025-03-06

申请号：US18950497

申请日：2024-11-18

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Bharat R. Acharya ,  Brett J. Sitter ,  Robert D. Taylor ,  Zhicheng Tian ,  James P. DiZio ,  Quinn D. Sanford ,  Kent C. Hackbarth ,  Matthew E. Sousa

IPC: G02B5/30 ,  G02B1/04 ,  G02B5/26 ,  G06V40/13

Abstract: An optical construction includes a reflective polarizer and an optical film. The optical film includes a matrix and a plurality of first particles dispersed in the matrix. Each of the matrix and the plurality of first particles includes a silicone polyoxamide and an acrylate polymer. For substantially normally incident light and for at least a first wavelength in a first wavelength range, the reflective polarizer reflects about 60% for a first polarization state and transmits about 40% for an orthogonal second polarization state. For at least a second wavelength in a second wavelength range, each of the reflective polarizer and the optical film transmits about 60% of an incident light for each of the first and second polarization states. For at least the first wavelength, optical film has an optical haze and a depolarization ratio. A ratio of the depolarization ratio to the optical haze is less than 0.1.

公开(公告)号：US20240280734A1

公开(公告)日：2024-08-22

申请号：US18570767

申请日：2022-06-17

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Matthew E. Sousa ,  Jason S. Petaja ,  Anthony M. Renstrom ,  William B. Kolb ,  Robert D. Taylor ,  Benjamin J. Forsythe

IPC: G02B5/02 ,  G02B5/30 ,  G02F1/13357

CPC classification number: G02B5/0226 ,  G02B5/305 ,  G02F1/133605 ,  G02F1/133606

Abstract: An optical film includes an optically diffusive layer including a plurality of nanoparticles dispersed between and across opposing first and second major surfaces thereof. The plurality of nanoparticles has a nanoparticle size distribution including distinct first and second peaks at respective nanoparticle sizes d1 and d2, wherein 1.5≤d2/d1≤10. The optically diffusive layer includes a polymeric material bonding the nanoparticles to each other. For a substantially collimated substantially normally incident light, the optical film has, in a visible wavelength, an average specular transmittance VTs and an average total transmittance VTt, and in an infrared wavelength range, an average total transmittance ITt and an average specular transmittance ITs, wherein 0.3≤(VTs/VTt)≤0.7, (VTs/ITs)≤0.25, and (ITs/ITt)≥0.7.

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：US11619771B2

公开(公告)日：2023-04-04

申请号：US16652996

申请日：2018-11-06

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Neeraj Sharma ,  Guanglei Du ,  John A. Wheatley ,  Matthew E. Sousa ,  Jeremy O. Swanson

IPC: G02B5/28 ,  G02B5/20 ,  G02B5/26

Abstract: Systems including one or both of a light emitter or a light receiver or a detectable object; and an optical filter adjacent one or both of the light emitter or the light receiver, wherein the optical filter includes at least one wavelength transmission selective layer an absorber component, wherein the wavelength transmission selective layer at least partially reduces the transmission of wavelengths from 701 nm to 849 nm incident thereon.

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.

公开(公告)号：US20160370653A1

公开(公告)日：2016-12-22

申请号：US15250712

申请日：2016-08-29

Applicant: 3M Innovative Properties Company

Inventor： Timothy J. Nevitt ,  Michael F. Weber ,  John A. Wheatley ,  Matthew E. Sousa ,  Tao Liu

IPC: G02F1/1335

CPC classification number: G02F1/133605 ,  F21V7/04 ,  F21V13/08 ,  G02B5/305 ,  G02B6/0055 ,  G02B6/0096 ,  G02F1/133603 ,  G02F1/133615

Abstract: A backlight includes a front and back reflector forming a light recycling cavity and one or more light source members disposed to emit light into the light recycling cavity. The front reflector being partially reflective to provide an output illumination area. The front reflector has a blue sloped transmission spectra, at normal incidence with a range among bin values from 15% to 100%.

Abstract translation: 背光源包括形成光循环腔的前后反射器和设置成将光发射到光再循环腔中的一个或多个光源部件。 前反射器被部分反射以提供输出照明区域。 前反射器具有蓝色倾斜的透射光谱，在正常入射处具有15％至100％的箱体值之间的范围。

公开(公告)号：US09441809B2

公开(公告)日：2016-09-13

申请号：US14352860

申请日：2012-10-17

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Timothy J. Nevitt ,  Michael F. Weber ,  John A. Wheatley ,  Matthew E. Sousa ,  Tao Liu

IPC: F21V7/04 ,  F21V8/00 ,  G02F1/1335 ,  F21V13/08 ,  G02B5/30

CPC classification number: G02F1/133605 ,  F21V7/04 ,  F21V13/08 ,  G02B5/305 ,  G02B6/0055 ,  G02B6/0096 ,  G02F1/133603 ,  G02F1/133615

Abstract: A backlight (10) includes a front and back reflectors (12,14) forming a light recycling cavity (16) and one or more light source members (24a, 24b, 24c) disposed to emit light into the light recycling cavity. The front reflector (12) being partially reflective to provide an output illumination area. The front reflector (12) has a blue sloped transmission spectra, at normal incidence with a range among bin values from 15% to 100%.

Abstract translation: 背光（10）包括形成光循环腔（16）的前后反射器（12,14）和设置成将光发射到光再循环腔中的一个或多个光源构件（24a，24b，24c）。 前反射器（12）部分反射以提供输出照明区域。 前反射器（12）具有蓝色倾斜的透射光谱，在正常入射处具有15％至100％的箱体值之间的范围。

公开(公告)号：US20250035984A1

公开(公告)日：2025-01-30

申请号：US18917254

申请日：2024-10-16

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Carl A. Stover ,  Matthew E. Sousa ,  Bharat R. Acharya ,  Benjamin J. Forsythe ,  Robert D. Taylor ,  Quinn D. Sanford

IPC: G02F1/13357 ,  G02F1/1333 ,  G02F1/1335

Abstract: A backlight including a front reflector disposed on a back reflector and defining a cavity therebetween. For a visible wavelength range and for a first incident angle of less than 5 degrees, the front reflector has an average transmittance of less than 20% for the incident light polarized along a first direction, and an average transmittance of between 20% and 85% for the incident light polarized along an orthogonal second direction. For a visible wavelength range and for a second incident angle of greater than 40 degrees, the front reflector has an average transmittance of less than 40% for each of the first and second directions. For at least a first wavelength in an infrared wavelength range, the front reflector has a transmittance of greater than about 40% for each of the first and second incident angles and for each of the first and second directions. For each of the first and second incident angles, for the incident light polarized along each of the first and second directions, the back reflector has a transmittance of greater than 30% for the first infrared wavelength, and an average transmittance of less than 20% in the visible range.

公开(公告)号：US20240231154A1

公开(公告)日：2024-07-11

申请号：US18558425

申请日：2022-05-17

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Carl A. Stover ,  Matthew E. Sousa ,  Bharat R. Acharya ,  Benjamin J. Forsythe ,  Robert D Taylor ,  Quinn D. Sanford

IPC: G02F1/13357 ,  G02F1/1333 ,  G02F1/1335

CPC classification number: G02F1/13362 ,  G02F1/13338 ,  G02F1/133504 ,  G02F1/133553 ,  G02F1/133615 ,  G02F2203/11

Abstract: A backlight including a front reflector disposed on a back reflector and defining a cavity therebetween. For a visible wavelength range and for a first incident angle of less than 5 degrees, the front reflector has an average transmittance of less than 20% for the incident light polarized along a first direction, and an average transmittance of between 20% and 85% for the incident light polarized along an orthogonal second direction. For a visible wavelength range and for a second incident angle of greater than 40 degrees, the front reflector has an average transmittance of less than 40% for each of the first and second directions. For at least a first wavelength in an infrared wavelength range, the front reflector has a transmittance of greater than about 40% for each of the first and second incident angles and for each of the first and second directions. For each of the first and second incident angles, for the incident light polarized along each of the first and second directions, the back reflector has a transmittance of greater than 30% for the first infrared wavelength, and an average transmittance of less than 20% in the visible range.