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KR20140033373A - 광학 시트 - Google Patents

광학 시트 Download PDF

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Publication number
KR20140033373A
KR20140033373A KR1020137031433A KR20137031433A KR20140033373A KR 20140033373 A KR20140033373 A KR 20140033373A KR 1020137031433 A KR1020137031433 A KR 1020137031433A KR 20137031433 A KR20137031433 A KR 20137031433A KR 20140033373 A KR20140033373 A KR 20140033373A
Authority
KR
South Korea
Prior art keywords
optical sheet
light
light source
printing
guide plate
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
KR1020137031433A
Other languages
English (en)
Korean (ko)
Inventor
도요히로 하마마츠
쇼타로 니시노
유지로 가와구치
Original Assignee
수미토모 케미칼 컴퍼니 리미티드
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 수미토모 케미칼 컴퍼니 리미티드 filed Critical 수미토모 케미칼 컴퍼니 리미티드
Publication of KR20140033373A publication Critical patent/KR20140033373A/ko
Withdrawn legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light 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
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0035—Means 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
    • G02B6/0038—Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width of the light guide
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light 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
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0035—Means 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
    • G02B6/004—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
    • G02B6/0043—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles provided on the surface of the light guide
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light 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
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0058—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide
    • G02B6/0061—Means 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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light 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
    • G02B6/0065—Manufacturing aspects; Material aspects

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Planar Illumination Modules (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Liquid Crystal (AREA)
KR1020137031433A 2011-04-28 2012-04-24 광학 시트 Withdrawn KR20140033373A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2011102103A JP2012234692A (ja) 2011-04-28 2011-04-28 光学シート
JPJP-P-2011-102103 2011-04-28
PCT/JP2012/060973 WO2012147741A1 (ja) 2011-04-28 2012-04-24 光学シート

Publications (1)

Publication Number Publication Date
KR20140033373A true KR20140033373A (ko) 2014-03-18

Family

ID=47072259

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020137031433A Withdrawn KR20140033373A (ko) 2011-04-28 2012-04-24 광학 시트

Country Status (5)

Country Link
JP (1) JP2012234692A (zh)
KR (1) KR20140033373A (zh)
CN (1) CN103502720A (zh)
TW (1) TW201300853A (zh)
WO (1) WO2012147741A1 (zh)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014112487A (ja) * 2012-12-05 2014-06-19 Sumitomo Chemical Co Ltd 導光板
TWI502231B (zh) 2014-01-06 2015-10-01 Au Optronics Corp 顯示裝置
CN105911746B (zh) * 2016-06-29 2017-10-13 京东方科技集团股份有限公司 显示装置及其视角切换方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09101521A (ja) * 1995-10-06 1997-04-15 Shin Etsu Polymer Co Ltd 面状光源用導光体およびその製造方法
JP3884792B2 (ja) * 1996-04-26 2007-02-21 日本ライツ株式会社 導光板および平面照明装置
CN1853068A (zh) * 2003-09-19 2006-10-25 索尼株式会社 背光装置和液晶显示装置
JP4762217B2 (ja) * 2007-09-28 2011-08-31 富士フイルム株式会社 導光板、導光板ユニットおよび面状照明装置
TWI402544B (zh) * 2008-09-01 2013-07-21 Coretronic Corp 導光單元及背光模組
JP5437652B2 (ja) * 2009-01-30 2014-03-12 恵和株式会社 導光シート及びこれを用いたバックライトユニット
KR101047754B1 (ko) * 2009-08-21 2011-07-07 희성전자 주식회사 측면 조광형 백라이트 장치

Also Published As

Publication number Publication date
TW201300853A (zh) 2013-01-01
WO2012147741A1 (ja) 2012-11-01
JP2012234692A (ja) 2012-11-29
CN103502720A (zh) 2014-01-08

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Legal Events

Date Code Title Description
PA0105 International application

Patent event date: 20131127

Patent event code: PA01051R01D

Comment text: International Patent Application

PG1501 Laying open of application
PC1203 Withdrawal of no request for examination
WITN Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid