公开(公告)号：US20240369756A1

公开(公告)日：2024-11-07

申请号：US18777926

申请日：2024-07-19

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Adam D. Haag ,  Matthew B. Johnson ,  Ryan T. Fabick

IPC: F21V8/00 ,  G02F1/13357

Abstract: An optical system includes an extended illumination source configured to emit light from an extended emission surface thereof toward a display panel. The emitted light includes substantially distinct blue, green and red emission spectra having respective blue, green and red peaks at respective blue, green and red peak wavelengths, and corresponding blue, green and red full widths at half maxima (FWHMs). The blue FWHM extends from a smaller blue wavelength to a longer blue wavelength. The optical system further includes reflective polarizer disposed on the emission surface of the extended illumination source. The reflective polarizer includes a plurality of first polymeric layers. The optical system also includes an optical filter disposed between the reflective polarizer and the emission surface of the extended illumination source.

公开(公告)号：US20240288616A1

公开(公告)日：2024-08-29

申请号：US18657033

申请日：2024-05-07

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Gregg A. Ambur ,  Jo A. Etter ,  Adam D. Haag ,  Carl A. Stover ,  Timothy J. Nevitt ,  Zhisheng Yun ,  Timothy L. Wong

IPC: G02B5/30 ,  G02B27/28

CPC classification number: G02B5/305 ,  G02B27/283

Abstract: An optical component includes a first optical element having a curved first major surface; and an optical stack formed into a curved shape. The optical stack is bonded and conforms to the curved first major surface of the first optical element. The optical stack includes a reflective polarizer including a plurality of polymeric layers; and a non-adhesive flexible optical layer bonded to the reflective polarizer prior to forming the optical stack into the curved shape, such that the non-adhesive flexible optical layer bonded to the reflective polarizer improves a desired optical property of the reflective polarizer upon forming the optical stack into the curved shape relative to that of the reflective polarizer being formed into the curved shape without the non-adhesive flexible optical layer bonded to the reflective polarizer.

公开(公告)号：US12019258B2

公开(公告)日：2024-06-25

申请号：US17273047

申请日：2019-08-29

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Matthew B. Johnson ,  Adam D. Haag ,  Carl A. Stover ,  Timothy J. Nevitt ,  William F. Edmonds ,  Stephen A. Johnson

IPC: G02B5/30 ,  B32B7/023

CPC classification number: G02B5/305 ,  B32B7/023 ,  G02B5/3016 ,  G02B5/3083 ,  C09K2323/03 ,  C09K2323/031

Abstract: Multilayer reflective polarizers are described. In particular, multilayer reflective polarizers that include both crystalline high index layers and low index layers are disclosed. These reflective polarizers may be particularly suitable for automotive, architectural, and industrial applications.

公开(公告)号：US20240176055A1

公开(公告)日：2024-05-30

申请号：US18284597

申请日：2022-03-24

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Edward J. Kivel ,  Adam D. Haag

IPC: G02B5/22 ,  G02B5/20 ,  G02B5/26

CPC classification number: G02B5/22 ,  G02B5/208 ,  G02B5/26

Abstract: An optical stack includes a light control film and an optical film disposed on the light control film. The light control film includes a plurality of visible light transmitting regions separated from each other by one or more visible light absorbing regions. The optical film includes a plurality of microlayers having an F-ratio between about 0.25 to about 0.35 or about 0.65 to about 0.75. The optical film further includes a primary reflection band having a first band edge between about 600 nanometers (nm) and about 700 nm, and a secondary reflection band having a second band edge between about 350 nm and about 460 nm. The plurality of microlayers has an average optical reflectance of greater than about 80% across a FWHM of the primary reflection band for each of mutually orthogonal first and second polarization states.

公开(公告)号：US20240085608A1

公开(公告)日：2024-03-14

申请号：US18511500

申请日：2023-11-16

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Adam D. Haag ,  Timothy J. Nevitt ,  Carl A. Stover ,  Andrew J. Ouderkirk ,  Robert D. Taylor ,  Zhaohui Yang

IPC: G02B5/30 ,  G02B5/08 ,  G02B5/18 ,  G02B5/28

CPC classification number: G02B5/3041 ,  G02B5/0825 ,  G02B5/1814 ,  G02B5/285 ,  G02B5/305 ,  G02B5/3083 ,  G02B27/10

Abstract: Optical films are disclosed that include a plurality of interference layers. Each interference layer reflects or transmits light primarily by optical interference. The total number of the interference layers is less than about 1000. For a substantially normally incident light in a predetermined wavelength range, the plurality of interference layers has an average optical transmittance greater than about 85% for a first polarization state, an average optical reflectance greater than about 80% for an orthogonal second polarization state, and an average optical transmittance less than about 0.2% for the second polarization state.

公开(公告)号：US11927783B2

公开(公告)日：2024-03-12

申请号：US17054247

申请日：2019-07-11

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： John D. Le ,  Zhisheng Yun ,  Timothy L. Wong ,  Timothy J. Nevitt ,  Adam D. Haag ,  Arthur L. Kotz

IPC: G02B5/30

CPC classification number: G02B5/305

Abstract: Optical films, such as reflective polarizer films, and optical systems including the optical films are described. An optical system includes one or more optical lenses having at least one curved major surface, a partial reflector, and a reflective polarizer. For a substantially normally incident light in a predetermined wavelength range extending at least from about 450 nm to about 600 nm: the partial reflector has an average optical reflectance of at least 30%, and the reflective polarizer has an average optical reflectance Rs for a first polarization state, an average optical transmittance Tp for an orthogonal second polarization state, and an average optical reflectance Rp for the second polarization state, where Tp≥80%, Rp≤1%, and 50%≤Rs≤95%.

公开(公告)号：US20230350119A1

公开(公告)日：2023-11-02

申请号：US17780581

申请日：2020-12-08

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Takashi Fujita ,  Hideaki Shirotori ,  Chikara Abe ,  Matthew B. Johnson ,  Brianna N. Wheeler ,  Adam D. Haag

IPC: G02B5/30

CPC classification number: G02B5/305

Abstract: An optical stack includes a reflective polarizer including a plurality of interference layers and an absorbing polarizer disposed on the reflective polarizer. The plurality of interference layers transmits at least about 85% of an incident light having a first polarization state, reflects at least about 80% of the incident light having a second polarization state, and transmits less than about 0.1% of the incident light having the second polarization state. The absorbing polarizer has a first transmittance for the first polarization state and a second transmittance for the second polarization state. An average of the first and second transmittances is greater than about 0.46. The second transmittance has a first standard deviation. The optical stack has a transmittance for the second polarization state having a second standard deviation which is less than the first standard deviation by at least about 10%. A display includes the optical stack.

公开(公告)号：US20230256820A1

公开(公告)日：2023-08-17

申请号：US17923281

申请日：2021-04-07

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Adam D. Haag ,  Stephan J. Pankratz

IPC: B60K35/00 ,  G02B27/01

CPC classification number: B60K35/00 ,  G02B27/0101 ,  B60K2370/23 ,  B60K2370/332 ,  B60K2370/1529

Abstract: A display system includes a display panel configured to emit polarized light having a first polarization state and substantially distinct blue, green and red emission spectra having respective blue, green and red full widths at half maxima (FWHMs). The display system includes a reflective polarizer configured to reflect the polarized image light as a first reflected polarized image light. For substantially normally incident light and for the first polarization state, the reflective polarizer has a reflectance of greater than about 60% across each of the blue and red FWHMs, and a transmittance of at least about 50% for at least a first wavelength between the FWHMs of the blue and green emission spectra, and for at least a second wavelength between the FWHMs of the green and red emission spectra.

公开(公告)号：US20230176419A1

公开(公告)日：2023-06-08

申请号：US18073813

申请日：2022-12-02

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Yu Hsin Lu ,  Gary T. Boyd ,  Matthew B. Johnson ,  Ryan T. Fabick ,  Carl A. Stover ,  Adam D. Haag

IPC: G02F1/13357 ,  G02F1/1335 ,  G02B1/04

CPC classification number: G02F1/133606 ,  G02F1/133603 ,  G02F1/133514 ,  G02F1/133536 ,  G02B1/04

Abstract: A display system includes a light source configured to emit light from a light exit surface, the emitted light having an emitted wavelength. An optical filter is disposed on the light exit surface of the light source. One or more light converting films are disposed between the optical filter and the light exit surface of the light source. The one or more light converting films are configured to receive the emitted light from the light source and convert at least portions of the received emitted light to blue, green, and red lights having respective blue, green and red wavelengths. For a substantially normally incident light and for at least an in-plane first polarization state, the optical filter reflects more than about 80% of the incident light having the emitted wavelength, and transmits greater than about 60% of the incident light for each of the blue, green and red wavelengths.

公开(公告)号：US20230099780A1

公开(公告)日：2023-03-30

申请号：US17800295

申请日：2021-03-04

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Seo-Hern Lee ,  Adam D. Haag ,  Martin E. Denker ,  Timothy J. Nevitt

IPC: G02B27/28 ,  G02B5/26 ,  G02B5/30 ,  G02B5/20 ,  H10K59/35 ,  H10K50/86

Abstract: A reflective polarizer has substantially distinct blue, green and red-infrared reflection bands for substantially normally incident light. A display system includes a display panel including blue, green and red light emitting pixels having respective blue, green and red peak wavelengths and respective blue, green and red FWHMs; and the reflective polarizer disposed on the light emitting pixels. The reflective polarizer: reflects at least about 60% of the incident light for each of the blue and green peak wavelengths and at least about 40% of the incident light for the red peak wavelength for a first polarization state; transmits at least about 60% of the incident light for each of the blue, green and red peak wavelengths for an orthogonal second polarization state; and has an absorption peak at a wavelength between the green and red FWHMs.