KR20230081059A - 도광판, 이를 포함하는 조명 장치, 및 이를 제조하는 방법 - Google Patents

도광판, 이를 포함하는 조명 장치, 및 이를 제조하는 방법 Download PDF

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Publication number
KR20230081059A
KR20230081059A KR1020210168753A KR20210168753A KR20230081059A KR 20230081059 A KR20230081059 A KR 20230081059A KR 1020210168753 A KR1020210168753 A KR 1020210168753A KR 20210168753 A KR20210168753 A KR 20210168753A KR 20230081059 A KR20230081059 A KR 20230081059A
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KR
South Korea
Prior art keywords
local regions
scattering
scattering layer
number density
scattering particles
Prior art date
Application number
KR1020210168753A
Other languages
English (en)
Korean (ko)
Inventor
윤근상
김동현
이주영
Original Assignee
코닝 인코포레이티드
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 코닝 인코포레이티드 filed Critical 코닝 인코포레이티드
Priority to KR1020210168753A priority Critical patent/KR20230081059A/ko
Priority to PCT/US2022/050525 priority patent/WO2023101843A1/fr
Publication of KR20230081059A publication Critical patent/KR20230081059A/ko

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    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033Means for improving the coupling-out of light from the light guide
    • G02B6/0035Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/004Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
    • G02B6/0041Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles provided in the bulk of the light guide
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033Means for improving the coupling-out of light from the light guide
    • G02B6/005Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
    • G02B6/0051Diffusing sheet or layer
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/02Diffusing elements; Afocal elements
    • G02B5/0205Diffusing elements; Afocal elements characterised by the diffusing properties
    • G02B5/0236Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element
    • G02B5/0242Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element by means of dispersed particles
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033Means for improving the coupling-out of light from the light guide
    • G02B6/0058Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide
    • G02B6/0061Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide to provide homogeneous light output intensity
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0065Manufacturing aspects; Material aspects

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Planar Illumination Modules (AREA)
  • Optical Elements Other Than Lenses (AREA)
KR1020210168753A 2021-11-30 2021-11-30 도광판, 이를 포함하는 조명 장치, 및 이를 제조하는 방법 KR20230081059A (ko)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1020210168753A KR20230081059A (ko) 2021-11-30 2021-11-30 도광판, 이를 포함하는 조명 장치, 및 이를 제조하는 방법
PCT/US2022/050525 WO2023101843A1 (fr) 2021-11-30 2022-11-21 Plaque de guidage de lumière, dispositif d'éclairage la comprenant et son procédé de fabrication

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020210168753A KR20230081059A (ko) 2021-11-30 2021-11-30 도광판, 이를 포함하는 조명 장치, 및 이를 제조하는 방법

Publications (1)

Publication Number Publication Date
KR20230081059A true KR20230081059A (ko) 2023-06-07

Family

ID=84829610

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020210168753A KR20230081059A (ko) 2021-11-30 2021-11-30 도광판, 이를 포함하는 조명 장치, 및 이를 제조하는 방법

Country Status (2)

Country Link
KR (1) KR20230081059A (fr)
WO (1) WO2023101843A1 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013012564A2 (fr) * 2011-07-20 2013-01-24 Rambus Inc. Feuille optique co-extrudée
JP5909399B2 (ja) * 2012-03-30 2016-04-26 武藤工業株式会社 導光板作成方法及び装置
JP2013239246A (ja) * 2012-05-11 2013-11-28 Fujifilm Corp 導光板および導光板の製造方法
KR20210121973A (ko) * 2020-03-31 2021-10-08 코닝 인코포레이티드 도광패널 및 이를 포함하는 조명장치

Also Published As

Publication number Publication date
WO2023101843A1 (fr) 2023-06-08

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