SG11201900348RA - Polarizing plate with phase difference layers, and organic el display device - Google Patents

Polarizing plate with phase difference layers, and organic el display device

Info

Publication number
SG11201900348RA
SG11201900348RA SG11201900348RA SG11201900348RA SG11201900348RA SG 11201900348R A SG11201900348R A SG 11201900348RA SG 11201900348R A SG11201900348R A SG 11201900348RA SG 11201900348R A SG11201900348R A SG 11201900348RA SG 11201900348R A SG11201900348R A SG 11201900348RA
Authority
SG
Singapore
Prior art keywords
retardation
polarizing plate
layer
retardation layer
refractive index
Prior art date
Application number
SG11201900348RA
Inventor
Yuki Hasegawa
Ayaka UMEMOTO
Kentarou Takeda
Original Assignee
Nitto Denko Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nitto Denko Corp filed Critical Nitto Denko Corp
Publication of SG11201900348RA publication Critical patent/SG11201900348RA/en

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/30Polarising elements
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/30Polarising elements
    • G02B5/3025Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/30Polarising elements
    • G02B5/3083Birefringent or phase retarding elements
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B33/00Electroluminescent light sources
    • H05B33/02Details
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10KORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K50/00Organic light-emitting devices
    • H10K50/80Constructional details
    • H10K50/86Arrangements for improving contrast, e.g. preventing reflection of ambient light
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10KORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/80Constructional details
    • H10K59/87Passivation; Containers; Encapsulations
    • H10K59/871Self-supporting sealing arrangements
    • H10K59/8722Peripheral sealing arrangements, e.g. adhesives, sealants
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10KORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/80Constructional details
    • H10K59/8791Arrangements for improving contrast, e.g. preventing reflection of ambient light
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10KORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/80Constructional details

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Polarising Elements (AREA)
  • Nonlinear Science (AREA)
  • Electroluminescent Light Sources (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Spectroscopy & Molecular Physics (AREA)

Abstract

There is provided a polarizing plate with retardation layers that can suppress the unevenness of reflected light to improve visibility. A polarizing plate with retardation layers of the present invention includes a polarizer, a first retardation layer, and a second retardation layer in the stated order. The polarizer and the first retardation layer are bonded to each other via a first adhesive layer, the first retardation layer and the second retardation layer are bonded to each other via a second adhesive layer, the first retardation layer and the second retardation layer each have a thickness of 5 μm or less, and the second adhesive layer h as an average refractive index of 1.55 or more, and a difference between the average refractive index of the second adhesive layer and an average refractive index of the first retardation layer, and a difference between the average refractive index of the second adhesive layer and an average refractive index of the second retardation layer are each less than 0.08. FIG. 1
SG11201900348RA 2016-07-29 2017-07-21 Polarizing plate with phase difference layers, and organic el display device SG11201900348RA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016149769A JP2018017996A (en) 2016-07-29 2016-07-29 Polarizing plate with retardation layer and organic EL display device
PCT/JP2017/026496 WO2018021190A1 (en) 2016-07-29 2017-07-21 Polarizing plate with phase difference layers, and organic el display device

Publications (1)

Publication Number Publication Date
SG11201900348RA true SG11201900348RA (en) 2019-02-27

Family

ID=61017025

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11201900348RA SG11201900348RA (en) 2016-07-29 2017-07-21 Polarizing plate with phase difference layers, and organic el display device

Country Status (7)

Country Link
US (1) US10969527B2 (en)
JP (1) JP2018017996A (en)
KR (2) KR20220130839A (en)
CN (2) CN109564314A (en)
SG (1) SG11201900348RA (en)
TW (1) TWI786053B (en)
WO (1) WO2018021190A1 (en)

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Also Published As

Publication number Publication date
TWI786053B (en) 2022-12-11
WO2018021190A1 (en) 2018-02-01
CN117706671A (en) 2024-03-15
TW201804184A (en) 2018-02-01
CN109564314A (en) 2019-04-02
JP2018017996A (en) 2018-02-01
KR20190027838A (en) 2019-03-15
KR20220130839A (en) 2022-09-27
US10969527B2 (en) 2021-04-06
US20190235148A1 (en) 2019-08-01

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