公开(公告)号：US20200257028A1

公开(公告)日：2020-08-13

申请号：US16647707

申请日：2018-10-02

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Adam D. Haag ,  Sun-Yong Park ,  Timothy J. Nevitt ,  Brianna N. Nieson ,  Jody L. Huston

IPC: G02B5/30 ,  G02B1/08 ,  H01L51/52

Abstract: A partial reflector including a plurality of optical repeat units where each optical repeat unit includes first and second polymer layers is described. A refractive index difference between the first and second polymer layers along a first axis may be Any, a refractive index difference between the first and second polymer layers along an orthogonal second axis may be Δƒχ, where |Δηχ| is at least 0.1 and |Δny| is no more than 0.04. The optical repeat units may have a smallest optical thickness T1 proximate a first side of the optical stack and a largest optical thickness T2 proximate an opposite second side of the optical stack, where (T2−T1)/(T2+T1) is in a range of 0.05 to 0.2, and T2 is at least 350 nm and no more 1250 nm. The partial reflector may be used in a circular polarizer for correcting color shift with view angle in a display.

公开(公告)号：US12007593B2

公开(公告)日：2024-06-11

申请号：US17044367

申请日：2019-04-09

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Nicholas C. Erickson ,  David G. Freier ,  Robert L Brott ,  Bing Hao ,  David A. Rosen ,  Stephen M. Menke ,  Bert T. Chien ,  Seong Taek Lee ,  Encai Hao ,  Zhaohui Yang ,  Albert I. Everaerts ,  Yongshang Lu ,  William Blake Kolb ,  Keith R. Bruesewitz ,  Adam D. Haag ,  Sun-Yong Park ,  Timothy J. Nevitt ,  Brianna N. Wheeler ,  Jody L. Peterson ,  Gilles J. Benoit

IPC: G02B5/28 ,  H10K59/35 ,  H10K59/50

CPC classification number: G02B5/287 ,  H10K59/35 ,  H10K59/50

Abstract: An OLED display including a display panel and a color-correction component is described. A plurality of comparative display panels otherwise equivalent to the display panel but having one or more different optical thicknesses of OLED layers have a maximum white-point color shift from 0 to 45 degrees of WPCSC45 and a white-point axial efficiency of WPAEC. The plurality of comparative display panels defines a performance curve along a boundary of performance points. The OLED display and the display panel have respective maximum white-point color shifts from 0 to 45 degrees of WPCS45 and WPCS045 and respective white-point axial efficiencies of WPAE and WPAE0. WPCS045 and WPAE0 defines a performance point of the display panel to the right of the performance curve and WPCS45 and WPAE defines a performance point of the OLED display above or to the left of the performance curve. Methods of making the OLED display are described.

公开(公告)号：US20160377781A1

公开(公告)日：2016-12-29

申请号：US15038932

申请日：2014-11-24

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Sun-Yong Park ,  Song-Geun Lee ,  Matthew B. Johnson ,  Adam D. Haag

IPC: G02B5/30 ,  G02F1/13363 ,  G02F1/1335

CPC classification number: G02B5/3083 ,  B32B7/12 ,  B32B23/04 ,  B32B23/08 ,  B32B27/08 ,  B32B27/306 ,  B32B27/327 ,  B32B27/365 ,  B32B2255/26 ,  B32B2457/202 ,  B32B2551/00 ,  G02B5/3016 ,  G02B5/3025 ,  G02B5/3041 ,  G02B5/305 ,  G02F1/133536 ,  G02F1/13362 ,  G02F1/13363 ,  G02F2001/133545 ,  G02F2001/133633 ,  G02F2001/133635 ,  G02F2001/133638 ,  G02F2001/133726 ,  G02F2202/28 ,  G02F2202/40

Abstract: Optical film stacks are described. More particularly, optical film stacks including a half-wave retardation layer are described. Achromatic half-wave retardation layers, including achromatic half-wave layers formed from a quarter-wave and a three-quarters-wave retardation layer, are described. Film stacks including reflective polarizers tuned to reduce wavelength dispersion of the half-wave retardation layer are also described.

Abstract translation: 描述了光学薄膜叠层。 更具体地，描述包括半波延迟层的光学膜堆叠。 描述了包括由四分之一波长和四分之三波长延迟层形成的消色差半波层的消色差半波延迟层。 还描述了包括被调谐以减少半波延迟层的波长色散的反射偏振器的薄膜叠层。