JP7242886B2 - バックライトおよび液晶表示装置 - Google Patents

バックライトおよび液晶表示装置 Download PDF

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Publication number
JP7242886B2
JP7242886B2 JP2021551404A JP2021551404A JP7242886B2 JP 7242886 B2 JP7242886 B2 JP 7242886B2 JP 2021551404 A JP2021551404 A JP 2021551404A JP 2021551404 A JP2021551404 A JP 2021551404A JP 7242886 B2 JP7242886 B2 JP 7242886B2
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Japan
Prior art keywords
blue light
light source
cholesteric
layer
wavelength
Prior art date
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JP2021551404A
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English (en)
Japanese (ja)
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JPWO2021066050A1 (https=
Inventor
秀樹 兼岩
竜二 実藤
誠 石黒
道夫 永井
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Fujifilm Corp
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Fujifilm Corp
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Publication date
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Publication of JPWO2021066050A1 publication Critical patent/JPWO2021066050A1/ja
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
    • F21V9/30—Elements containing photoluminescent material distinct from or spaced from the light source
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
    • F21V9/30—Elements containing photoluminescent material distinct from or spaced from the light source
    • F21V9/32—Elements containing photoluminescent material distinct from or spaced from the light source characterised by the arrangement of the photoluminescent material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
    • F21V9/40—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters with provision for controlling spectral properties, e.g. colour, or intensity
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/26—Reflecting filters

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  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
  • Planar Illumination Modules (AREA)
JP2021551404A 2019-10-02 2020-09-30 バックライトおよび液晶表示装置 Active JP7242886B2 (ja)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
JP2019182354 2019-10-02
JP2019182354 2019-10-02
JP2020045374 2020-03-16
JP2020045374 2020-03-16
JP2020092318 2020-05-27
JP2020092318 2020-05-27
PCT/JP2020/037261 WO2021066050A1 (ja) 2019-10-02 2020-09-30 バックライトおよび液晶表示装置

Publications (2)

Publication Number Publication Date
JPWO2021066050A1 JPWO2021066050A1 (https=) 2021-04-08
JP7242886B2 true JP7242886B2 (ja) 2023-03-20

Family

ID=75338099

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021551404A Active JP7242886B2 (ja) 2019-10-02 2020-09-30 バックライトおよび液晶表示装置

Country Status (2)

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JP (1) JP7242886B2 (https=)
WO (1) WO2021066050A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2024075290A (ja) * 2022-11-22 2024-06-03 恵和株式会社 光拡散シート、バックライトユニット、液晶表示装置、及び情報機器

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009540617A (ja) 2006-06-12 2009-11-19 スリーエム イノベイティブ プロパティズ カンパニー 再発光半導体構造体及び反射体を有するｌｅｄ装置
JP2015513187A (ja) 2012-03-09 2015-04-30 コーニンクレッカ フィリップス エヌ ヴェ 色調整可能な発光装置
US20160195768A1 (en) 2015-01-07 2016-07-07 Samsung Display Co., Ltd. Liquid crystal display

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009540617A (ja) 2006-06-12 2009-11-19 スリーエム イノベイティブ プロパティズ カンパニー 再発光半導体構造体及び反射体を有するｌｅｄ装置
JP2015513187A (ja) 2012-03-09 2015-04-30 コーニンクレッカ フィリップス エヌ ヴェ 色調整可能な発光装置
US20160195768A1 (en) 2015-01-07 2016-07-07 Samsung Display Co., Ltd. Liquid crystal display

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JPWO2021066050A1 (https=) 2021-04-08
WO2021066050A1 (ja) 2021-04-08

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