CN104714269A - 导光板、背光单元和液晶显示器 - Google Patents

导光板、背光单元和液晶显示器 Download PDF

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Publication number
CN104714269A
CN104714269A CN201410322776.5A CN201410322776A CN104714269A CN 104714269 A CN104714269 A CN 104714269A CN 201410322776 A CN201410322776 A CN 201410322776A CN 104714269 A CN104714269 A CN 104714269A
Authority
CN
China
Prior art keywords
angle
light guide
guide plate
scattering pattern
dip plane
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.)
Pending
Application number
CN201410322776.5A
Other languages
English (en)
Chinese (zh)
Inventor
朴世起
河尚佑
刘俊优
李夏英
金裕东
廉东烈
郑承焕
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Samsung Display Co Ltd
Original Assignee
Samsung Display Co Ltd
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 Samsung Display Co Ltd filed Critical Samsung Display Co Ltd
Publication of CN104714269A publication Critical patent/CN104714269A/zh
Pending legal-status Critical Current

Links

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
    • G02B6/005—Means 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
    • G02B6/0051—Diffusing sheet or layer
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/04—Prisms
    • G02B5/045—Prism arrays
    • 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
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0016—Grooves, prisms, gratings, scattering particles or rough surfaces
    • 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
    • G02B6/0036—2-D arrangement of prisms, protrusions, indentations or roughened surfaces
    • 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
    • G02B6/005—Means 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
    • G02B6/0053—Prismatic sheet or layer; Brightness enhancement element, sheet or layer
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133611—Direct backlight including means for improving the brightness uniformity
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Planar Illumination Modules (AREA)
  • Light Guides In General And Applications Therefor (AREA)
CN201410322776.5A 2013-12-17 2014-07-08 导光板、背光单元和液晶显示器 Pending CN104714269A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2013-0157297 2013-12-17
KR1020130157297A KR102147253B1 (ko) 2013-12-17 2013-12-17 도광판, 백라이트 유닛 및 이를 포함하는 액정 표시 장치

Publications (1)

Publication Number Publication Date
CN104714269A true CN104714269A (zh) 2015-06-17

Family

ID=53413751

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410322776.5A Pending CN104714269A (zh) 2013-12-17 2014-07-08 导光板、背光单元和液晶显示器

Country Status (3)

Country Link
JP (1) JP2015118906A (ja)
KR (1) KR102147253B1 (ja)
CN (1) CN104714269A (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104930411A (zh) * 2015-06-30 2015-09-23 京东方科技集团股份有限公司 一种背光源模组
CN105629373A (zh) * 2016-04-07 2016-06-01 张浩楠 一种lcd导光板及其制造工艺
CN109655958A (zh) * 2018-09-13 2019-04-19 韩国高智株式会社 一种带有凹角形状的导光板及使用该导光板的背光模组
WO2020029004A1 (zh) * 2018-08-06 2020-02-13 瑞仪(广州)光电子器件有限公司 导光板、背光模组及显示装置

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10890708B2 (en) 2018-05-25 2021-01-12 Koyj Co., Ltd. Light guide plate having engraved pattern and backlight unit having same and display device having same
TWI783349B (zh) * 2021-01-19 2022-11-11 光耀科技股份有限公司 導光膜及背光模組
WO2023276836A1 (ja) * 2021-06-29 2023-01-05 日東電工株式会社 照明装置用導光部材および照明装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5718497A (en) * 1991-11-28 1998-02-17 Enplas Corporation Surface light source device
US20070030698A1 (en) * 2005-08-03 2007-02-08 Citizen Electronics Co., Ltd. Light guide plate
CN201867507U (zh) * 2010-10-29 2011-06-15 京东方科技集团股份有限公司 导光板、背光模组及液晶显示器
WO2012111190A1 (ja) * 2011-02-15 2012-08-23 三菱電機株式会社 面光源装置及び液晶表示装置
JP2013187059A (ja) * 2012-03-08 2013-09-19 Hitachi Chemical Co Ltd 導光板及び面光源装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW200905306A (en) * 2007-07-16 2009-02-01 Au Optronics Corp Backlight module and liquid crystal display comprising the same
KR101440498B1 (ko) * 2007-11-12 2014-09-18 삼성디스플레이 주식회사 도광판 및 이를 갖는 표시장치
JP2012079681A (ja) * 2010-09-09 2012-04-19 Hitachi Chemical Co Ltd 導光板及び面光源装置
US8613542B2 (en) * 2011-12-09 2013-12-24 Skc Haas Display Films Co., Ltd. Light guide films having reduced banding levels
JP5556836B2 (ja) * 2012-03-15 2014-07-23 オムロン株式会社 面光源装置
JP2013206834A (ja) * 2012-03-29 2013-10-07 Toppan Printing Co Ltd 導光体を用いた照明ユニット及びこれを備えた表示装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5718497A (en) * 1991-11-28 1998-02-17 Enplas Corporation Surface light source device
US20070030698A1 (en) * 2005-08-03 2007-02-08 Citizen Electronics Co., Ltd. Light guide plate
CN201867507U (zh) * 2010-10-29 2011-06-15 京东方科技集团股份有限公司 导光板、背光模组及液晶显示器
WO2012111190A1 (ja) * 2011-02-15 2012-08-23 三菱電機株式会社 面光源装置及び液晶表示装置
JP2013187059A (ja) * 2012-03-08 2013-09-19 Hitachi Chemical Co Ltd 導光板及び面光源装置

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104930411A (zh) * 2015-06-30 2015-09-23 京东方科技集团股份有限公司 一种背光源模组
CN104930411B (zh) * 2015-06-30 2017-10-10 京东方科技集团股份有限公司 一种背光源模组
CN105629373A (zh) * 2016-04-07 2016-06-01 张浩楠 一种lcd导光板及其制造工艺
CN105629373B (zh) * 2016-04-07 2019-05-03 张浩楠 一种lcd导光板及其制造工艺
WO2020029004A1 (zh) * 2018-08-06 2020-02-13 瑞仪(广州)光电子器件有限公司 导光板、背光模组及显示装置
CN111010878A (zh) * 2018-08-06 2020-04-14 瑞仪(广州)光电子器件有限公司 导光板、背光模组及显示装置
US10914885B2 (en) 2018-08-06 2021-02-09 Radiant(Guangzhou) Opto-Electronics Co., Ltd Backlight module having a lightguide plate with optical structures and display device
CN111010878B (zh) * 2018-08-06 2021-06-04 瑞仪(广州)光电子器件有限公司 导光板、背光模组及显示装置
CN109655958A (zh) * 2018-09-13 2019-04-19 韩国高智株式会社 一种带有凹角形状的导光板及使用该导光板的背光模组

Also Published As

Publication number Publication date
JP2015118906A (ja) 2015-06-25
KR102147253B1 (ko) 2020-08-25
KR20150070736A (ko) 2015-06-25

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WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20150617

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