KR100717499B1 - 프리즘 시트, 백라이트 어셈블리 및 디스플레이 장치 - Google Patents

프리즘 시트, 백라이트 어셈블리 및 디스플레이 장치 Download PDF

Info

Publication number
KR100717499B1
KR100717499B1 KR1020030079739A KR20030079739A KR100717499B1 KR 100717499 B1 KR100717499 B1 KR 100717499B1 KR 1020030079739 A KR1020030079739 A KR 1020030079739A KR 20030079739 A KR20030079739 A KR 20030079739A KR 100717499 B1 KR100717499 B1 KR 100717499B1
Authority
KR
South Korea
Prior art keywords
light
prism sheet
body portion
protrusions
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.)
Expired - Fee Related
Application number
KR1020030079739A
Other languages
English (en)
Korean (ko)
Other versions
KR20050045601A (ko
Inventor
최윤호
김창종
김영건
이상곤
이웅상
Original Assignee
엘지전자 주식회사
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 엘지전자 주식회사 filed Critical 엘지전자 주식회사
Priority to KR1020030079739A priority Critical patent/KR100717499B1/ko
Priority to TW093128645A priority patent/TW200516323A/zh
Priority to US10/949,223 priority patent/US20050099822A1/en
Priority to CNA2004100957813A priority patent/CN1617025A/zh
Priority to JP2004329595A priority patent/JP2005148748A/ja
Publication of KR20050045601A publication Critical patent/KR20050045601A/ko
Priority to US11/185,021 priority patent/US20060087743A1/en
Application granted granted Critical
Publication of KR100717499B1 publication Critical patent/KR100717499B1/ko
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Classifications

    • 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
    • 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
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
    • G02B5/0236—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0273—Diffusing elements; Afocal elements characterized by the use
    • G02B5/0278—Diffusing elements; Afocal elements characterized by the use used in transmission
    • 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
    • G02B6/0033—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
    • G02B5/02—Diffusing elements; Afocal elements

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)
  • Optical Elements Other Than Lenses (AREA)
  • Liquid Crystal (AREA)
KR1020030079739A 2003-11-12 2003-11-12 프리즘 시트, 백라이트 어셈블리 및 디스플레이 장치 Expired - Fee Related KR100717499B1 (ko)

Priority Applications (6)

Application Number Priority Date Filing Date Title
KR1020030079739A KR100717499B1 (ko) 2003-11-12 2003-11-12 프리즘 시트, 백라이트 어셈블리 및 디스플레이 장치
TW093128645A TW200516323A (en) 2003-11-12 2004-09-21 Backlight assembly of liquid crystal display
US10/949,223 US20050099822A1 (en) 2003-11-12 2004-09-27 Backlight assembly of liquid crystal display
CNA2004100957813A CN1617025A (zh) 2003-11-12 2004-11-12 液晶显示器的背光组件
JP2004329595A JP2005148748A (ja) 2003-11-12 2004-11-12 液晶表示装置のバックライトアッセンブリー
US11/185,021 US20060087743A1 (en) 2003-11-12 2005-07-20 Backlight assembly of liquid crystal display

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020030079739A KR100717499B1 (ko) 2003-11-12 2003-11-12 프리즘 시트, 백라이트 어셈블리 및 디스플레이 장치

Publications (2)

Publication Number Publication Date
KR20050045601A KR20050045601A (ko) 2005-05-17
KR100717499B1 true KR100717499B1 (ko) 2007-05-14

Family

ID=36205928

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020030079739A Expired - Fee Related KR100717499B1 (ko) 2003-11-12 2003-11-12 프리즘 시트, 백라이트 어셈블리 및 디스플레이 장치

Country Status (5)

Country Link
US (2) US20050099822A1 (cg-RX-API-DMAC7.html)
JP (1) JP2005148748A (cg-RX-API-DMAC7.html)
KR (1) KR100717499B1 (cg-RX-API-DMAC7.html)
CN (1) CN1617025A (cg-RX-API-DMAC7.html)
TW (1) TW200516323A (cg-RX-API-DMAC7.html)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060103777A1 (en) * 2004-11-15 2006-05-18 3M Innovative Properties Company Optical film having a structured surface with rectangular based prisms
US7320538B2 (en) * 2004-12-30 2008-01-22 3M Innovative Properties Company Optical film having a structured surface with concave pyramid-shaped structures
US7220026B2 (en) * 2004-12-30 2007-05-22 3M Innovative Properties Company Optical film having a structured surface with offset prismatic structures
US7416309B2 (en) * 2004-12-30 2008-08-26 3M Innovative Properties Company Optical film having a surface with rounded structures
US20060250707A1 (en) * 2005-05-05 2006-11-09 3M Innovative Properties Company Optical film having a surface with rounded pyramidal structures
US20070024994A1 (en) * 2005-07-29 2007-02-01 3M Innovative Properties Company Structured optical film with interspersed pyramidal structures
CN100445831C (zh) * 2005-08-24 2008-12-24 财团法人工业技术研究院 平面光源模块
WO2007072263A2 (en) * 2005-12-21 2007-06-28 Koninklijke Philips Electronics N.V. Backlight arrangement
JP2007206569A (ja) * 2006-02-03 2007-08-16 Daicel Chem Ind Ltd 光学シート
KR101278941B1 (ko) * 2006-06-28 2013-06-26 엘지디스플레이 주식회사 광학 필름과 이를 갖는 액정표시소자
US20080002256A1 (en) * 2006-06-30 2008-01-03 3M Innovative Properties Company Optical article including a beaded layer
JP2008096904A (ja) * 2006-10-16 2008-04-24 Dainippon Printing Co Ltd 面光源装置、透過型表示装置
KR100802998B1 (ko) * 2006-12-01 2008-02-14 미래나노텍(주) 모아레 회피 패턴을 갖는 백라이트 유니트용 광학 시트
TW200837395A (en) * 2007-03-12 2008-09-16 Ind Tech Res Inst Optical element
JP4910842B2 (ja) * 2007-04-02 2012-04-04 ソニー株式会社 光学シートおよび表示装置
JP2010530985A (ja) * 2007-06-07 2010-09-16 コーロン インダストリーズ，インコーポレイテッド 環境保護光学シート
CN100573272C (zh) * 2007-08-08 2009-12-23 颖台科技股份有限公司 具有增亮效果的光学薄片
JP4566226B2 (ja) * 2007-09-07 2010-10-20 株式会社 日立ディスプレイズ 液晶表示装置
JP2009117195A (ja) * 2007-11-07 2009-05-28 Konica Minolta Holdings Inc 面状光源及び指向性型照明装置、指向性可変型照明装置、擬似間接型照明装置
CN101435885B (zh) * 2007-11-16 2010-09-29 鸿富锦精密工业（深圳）有限公司 背光模组及其棱镜片
CN101971061B (zh) * 2008-01-10 2014-04-16 可隆工业株式会社 光学片
JP2011515805A (ja) * 2008-03-19 2011-05-19 アイ２アイシー コーポレイション 反射・屈折光学系を用いた平行光源
KR101099008B1 (ko) 2008-08-29 2011-12-28 엘지이노텍 주식회사 백라이트 용 하이브리드 광학시트
US8459491B2 (en) 2011-02-16 2013-06-11 Pavel Savenok Hot beverage container assembly and insert
KR20130039463A (ko) * 2011-10-12 2013-04-22 글로텍 주식회사 백라이트유니트용 복합시트 및 그 제조 방법
US9457948B2 (en) 2012-02-15 2016-10-04 Pavel Savenok Hot beverage container assembly and insert
KR101898471B1 (ko) * 2012-03-12 2018-09-14 삼성디스플레이 주식회사 도광판 및 이를 포함하는 표시 장치
KR102003681B1 (ko) * 2012-12-19 2019-07-25 엘지디스플레이 주식회사 프리즘시트와 이를 포함하는 백라이트 유닛 및 디스플레이 장치
CN103644488B (zh) * 2013-12-31 2015-11-04 东莞市亚星半导体有限公司 一种背光模组
US9840364B2 (en) 2014-01-16 2017-12-12 Pavel Savenok Container lid and damming insert constructions
KR101526792B1 (ko) * 2014-03-06 2015-06-05 현대자동차주식회사 자동차의 아웃사이드 미러용 백라이트 유닛
CN106997121B (zh) * 2016-01-26 2020-08-18 台湾扬昕股份有限公司 光源模组、显示器装置以及光转向膜
CN109188777A (zh) * 2018-10-31 2019-01-11 厦门天马微电子有限公司 一种背光模组和显示装置
KR102418663B1 (ko) * 2019-01-29 2022-07-08 주식회사 엘지화학 시야각 보상필름, 이를 포함하는 편광판 및 이를 포함하는 디스플레이 장치
CN114335375A (zh) * 2020-09-30 2022-04-12 苏州苏大维格科技集团股份有限公司 增亮膜

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR970706516A (ko) * 1995-08-01 1997-11-03 야스히로 고이께 면 광원장치 및 액정 디스플레이
KR19990088395A (ko) * 1998-05-19 1999-12-27 기타지마 요시토시 반사형액정패널용광반사판
KR20000010775A (ko) * 1997-03-11 2000-02-25 야스히로 고이께 면광원장치 및 비대칭프리즘시트

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2248638A (en) * 1937-02-22 1941-07-08 Merton Thomas Ralph Sheet material with prismatic surfaces
US3873184A (en) * 1973-02-16 1975-03-25 Amerace Esna Corp Reflector with interspersed angled reflex elements
US4542449A (en) * 1983-08-29 1985-09-17 Canadian Patents & Development Limited Lighting panel with opposed 45° corrugations
US5056892A (en) * 1985-11-21 1991-10-15 Minnesota Mining And Manufacturing Company Totally internally reflecting thin, flexible film
CA1279783C (en) * 1985-11-21 1991-02-05 Minnesota Mining And Manufacturing Company Totally internally reflecting thin, flexible film
JP2599121Y2 (ja) * 1993-05-07 1999-08-30 株式会社エンプラス 面光源装置
JPH07248494A (ja) * 1994-03-14 1995-09-26 Hitachi Ltd 液晶表示装置
DE19521254A1 (de) * 1994-06-24 1996-01-04 Minnesota Mining & Mfg Anzeigesystem mit Helligkeitsverstärkungsfilm
CA2199722C (en) * 1994-09-27 2006-01-31 Mark E. Gardiner Luminance control film
US5917664A (en) * 1996-02-05 1999-06-29 3M Innovative Properties Company Brightness enhancement film with soft cutoff
US5838403A (en) * 1996-02-14 1998-11-17 Physical Optics Corporation Liquid crystal display system with internally reflecting waveguide for backlighting and non-Lambertian diffusing
US5919551A (en) * 1996-04-12 1999-07-06 3M Innovative Properties Company Variable pitch structured optical film
JPH10293212A (ja) * 1997-02-18 1998-11-04 Dainippon Printing Co Ltd バックライト及び液晶表示装置
US5995288A (en) * 1997-04-22 1999-11-30 Dai Nippon Printing Co., Ltd. Optical sheet optical sheet lamination light source device, and light-transmissive type display apparatus
US6967053B1 (en) * 1999-01-21 2005-11-22 Reflexite Corporation Durable, open-faced retroreflective prismatic construction
US6356391B1 (en) * 1999-10-08 2002-03-12 3M Innovative Properties Company Optical film with variable angle prisms

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR970706516A (ko) * 1995-08-01 1997-11-03 야스히로 고이께 면 광원장치 및 액정 디스플레이
KR20000010775A (ko) * 1997-03-11 2000-02-25 야스히로 고이께 면광원장치 및 비대칭프리즘시트
KR19990088395A (ko) * 1998-05-19 1999-12-27 기타지마 요시토시 반사형액정패널용광반사판

Also Published As

Publication number Publication date
US20050099822A1 (en) 2005-05-12
US20060087743A1 (en) 2006-04-27
KR20050045601A (ko) 2005-05-17
JP2005148748A (ja) 2005-06-09
CN1617025A (zh) 2005-05-18
TW200516323A (en) 2005-05-16

Similar Documents

Publication Publication Date Title
KR100717499B1 (ko) 프리즘 시트, 백라이트 어셈블리 및 디스플레이 장치
KR100725011B1 (ko) 프리즘 시트 및 백라이트 어셈블리
US7800711B2 (en) Backlight unit with LED lamps arrayed horizontally on PCB spaced apart from light guide plate and having reflecting plate therebelow and reflecting film disposed predeterminedly in upper portion of the space between array and guide plate
KR20060018146A (ko) 액정표시장치의 프리즘시트 및 이를 채용한 백라이트 유닛
KR101231847B1 (ko) 백 라이트 유닛 및 이를 이용한 액정표시장치
KR20060002446A (ko) 액정표시장치의 프리즘시트 및 이를 채용한 백라이트 유닛
KR100660707B1 (ko) 백라이트 유닛
KR20090042452A (ko) 액정 표시장치
JP4607225B2 (ja) 光源モジュール、液晶表示装置および照明装置
CN101561119B (zh) 背光单元和包括该背光单元的液晶显示模块
KR20090086759A (ko) 정면 휘도가 개선된 길이방향 웨이브 패턴의 프리즘 산을갖는 프리즘 시트, 이를 채용한 백라이트 유니트, 및 상기백라이트 유니트를 구비한 액정표시장치
KR100790497B1 (ko) 직하형 백라이트 장치
KR100660706B1 (ko) 프리즘 시트 및 상기 프리즘 시트가 구비된 액정표시장치의백라이트 어셈블리
KR100938118B1 (ko) 나노 와이어 그리드가 포함된 광학시트유닛 및 이를 사용한백라이트 어셈블리
KR20090096299A (ko) 광학 시트 및 그를 사용한 액정표시장치의 백라이트 유닛
KR100969157B1 (ko) 액정표시장치
KR100715940B1 (ko) 휘도 향상을 위한 백라이트 어셈블리를 포함한 액정 표시장치
KR100839481B1 (ko) 액정 표시 장치
KR100838964B1 (ko) 백라이트유닛용 프리즘시트 및 이를 포함하는 액정표시장치
KR100978257B1 (ko) 액정표시장치의 백라이트 유닛
KR20050096240A (ko) 액정표시장치의 백라이트 어셈블리
KR20080083415A (ko) 도광판과 이를 포함한 배광장치
KR20110015821A (ko) 디스플레이 장치
KR20060117058A (ko) 확산 부재, 이를 포함하는 백라이트 유닛 및 액정 표시장치
KR20060110172A (ko) 확산 부재, 이를 포함하는 백라이트 유닛 및 액정 표시장치

Legal Events

Date Code Title Description
PA0109 Patent application

St.27 status event code: A-0-1-A10-A12-nap-PA0109

PG1501 Laying open of application

St.27 status event code: A-1-1-Q10-Q12-nap-PG1501

A201 Request for examination
P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

PA0201 Request for examination

St.27 status event code: A-1-2-D10-D11-exm-PA0201

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

St.27 status event code: A-1-2-D10-D21-exm-PE0902

E13-X000 Pre-grant limitation requested

St.27 status event code: A-2-3-E10-E13-lim-X000

P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

E701 Decision to grant or registration of patent right
PE0701 Decision of registration

St.27 status event code: A-1-2-D10-D22-exm-PE0701

GRNT Written decision to grant
PR0701 Registration of establishment

St.27 status event code: A-2-4-F10-F11-exm-PR0701

PR1002 Payment of registration fee

St.27 status event code: A-2-2-U10-U11-oth-PR1002

Fee payment year number: 1

PG1601 Publication of registration

St.27 status event code: A-4-4-Q10-Q13-nap-PG1601

PN2301 Change of applicant

St.27 status event code: A-5-5-R10-R13-asn-PN2301

St.27 status event code: A-5-5-R10-R11-asn-PN2301

R18-X000 Changes to party contact information recorded

St.27 status event code: A-5-5-R10-R18-oth-X000

R18-X000 Changes to party contact information recorded

St.27 status event code: A-5-5-R10-R18-oth-X000

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 4

FPAY Annual fee payment

Payment date: 20110328

Year of fee payment: 5

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 5

LAPS Lapse due to unpaid annual fee
PC1903 Unpaid annual fee

St.27 status event code: A-4-4-U10-U13-oth-PC1903

Not in force date: 20120505

Payment event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE

PC1903 Unpaid annual fee

St.27 status event code: N-4-6-H10-H13-oth-PC1903

Ip right cessation event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE

Not in force date: 20120505

PN2301 Change of applicant

St.27 status event code: A-5-5-R10-R13-asn-PN2301

St.27 status event code: A-5-5-R10-R11-asn-PN2301

PN2301 Change of applicant

St.27 status event code: A-5-5-R10-R13-asn-PN2301

St.27 status event code: A-5-5-R10-R11-asn-PN2301