KR20030097146A - 액정표시장치의 백라이트 유닛 - Google Patents
액정표시장치의 백라이트 유닛 Download PDFInfo
- Publication number
- KR20030097146A KR20030097146A KR1020020034322A KR20020034322A KR20030097146A KR 20030097146 A KR20030097146 A KR 20030097146A KR 1020020034322 A KR1020020034322 A KR 1020020034322A KR 20020034322 A KR20020034322 A KR 20020034322A KR 20030097146 A KR20030097146 A KR 20030097146A
- Authority
- KR
- South Korea
- Prior art keywords
- light
- liquid crystal
- base film
- backlight unit
- guide plate
- Prior art date
Links
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
- G02F1/1336—Illuminating devices
- G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
-
- 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
- G02B6/0045—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 by shaping at least a portion of the light guide
- G02B6/0046—Tapered light guide, e.g. wedge-shaped 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
- G02B6/005—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
- 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
- G02F1/133524—Light-guides, e.g. fibre-optic bundles, louvered or jalousie light-guides
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F1/00—Originals for photomechanical production of textured or patterned surfaces, e.g., masks, photo-masks, reticles; Mask blanks or pellicles therefor; Containers specially adapted therefor; Preparation thereof
- G03F1/38—Masks having auxiliary features, e.g. special coatings or marks for alignment or testing; Preparation thereof
- G03F1/46—Antireflective coatings
Abstract
Description
Claims (8)
- 광원과,상기 광원으로부터의 광을 면광원으로 전환시키는 도광판과,상기 도광판 상에 형성되어 상기 도광판으로부터의 광을 확산시킴과 아울러 광을 집광시키는 광학시트들과,상기 광학시트들 중 적어도 어느 하나의 광학시트는 서로 다른 굴절율을 가지는 적어도 두개의 물질이 액정표시장치의 광입사면에 대하여 경사지게 접합되는 베이스필름을 구비하는 것을 특징으로 하는 액정표시장치의 백라이트 유닛.
- 제 1 항에 있어서,상기 베이스필름은 PE 계열의 물질과,상기 PE 계열 물질과 공기 굴절율 사이의 굴절율을 가지는 물질이 경사지게 접합되는 것을 특징으로 하는 액정표시장치의 백라이트 유닛.
- 제 2 항에 있어서,상기 PE 계열 물질은 PET인 것을 특징으로 하는 액정표시장치의 백라이트 유닛.
- 제 1 항에 있어서,상기 광학시트는 확산시트 및 프리즘시트 중 적어도 어느 하나인 것을 특징으로 하는 액정표시장치의 백라이트 유닛.
- 제 4 항에 있어서,상기 확산시트는 상기 베이스필름 상에 형성되어 광을 확산시키는 확산층과,상기 베이스필름 아래에 형성되어 상기 도광판을 보호하는 안티 블럭킹층을 추가로 구비하는 것을 특징으로 하는 액정표시장치의 백라이트 유닛.
- 제 4 항에 있어서,상기 프리즘시트는 상기 베이스필름 상에 다수의 프리즘을 추가로 구비하는 것을 특징으로 하는 액정표시장치의 백라이트 유닛.
- 제 5 항에 있어서,상기 베이스필름 아래에 광을 확산시키는 확산층을 추가로 구비하는 것을 특징으로 하는 액정표시장치의 백라이트 유닛.
- 제 1 항에 있어서,상기 서로 다른 물질이 경사지는 각도는 상기 액정표시장치의 입사면에 대하여 약 1 ~ 5°사이인 것을 특징으로 하는 액정표시장치의 백라이트 유닛.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020020034322A KR100621863B1 (ko) | 2002-06-19 | 2002-06-19 | 액정표시장치의 백라이트 유닛 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020020034322A KR100621863B1 (ko) | 2002-06-19 | 2002-06-19 | 액정표시장치의 백라이트 유닛 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20030097146A true KR20030097146A (ko) | 2003-12-31 |
KR100621863B1 KR100621863B1 (ko) | 2006-09-13 |
Family
ID=32387714
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020020034322A KR100621863B1 (ko) | 2002-06-19 | 2002-06-19 | 액정표시장치의 백라이트 유닛 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100621863B1 (ko) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100680126B1 (ko) * | 2005-03-16 | 2007-02-07 | 도레이새한 주식회사 | 박막트랜지스터 액정디스플레이용 공극형성 광확산 시트 |
KR100854752B1 (ko) * | 2007-02-01 | 2008-08-27 | 온누리전자(주) | 확산 수단이 일체화된 백라이트 유닛용 프리즘 시트 및 그제조방법 |
KR100869288B1 (ko) * | 2006-01-13 | 2008-11-18 | 익스플로잇 테크놀로지 컴퍼니 리미티드 | 밝기 불균일을 감소시키기 위한 광학부재 |
KR101476741B1 (ko) * | 2013-01-17 | 2014-12-26 | 글로텍 주식회사 | 복합광학시트 및 그 제조 방법 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02291503A (ja) * | 1989-05-02 | 1990-12-03 | Tokumasa Saruwatari | 光線屈折分散板の高屈折媒質と低屈折媒質の組み合わせ |
JP3545447B2 (ja) * | 1994-02-04 | 2004-07-21 | 大日本印刷株式会社 | 光拡散フィルム |
JP2001091708A (ja) * | 1999-09-27 | 2001-04-06 | Keiwa Inc | 光学シート及びこれを用いたバックライトユニット |
JP2001221907A (ja) * | 2000-02-10 | 2001-08-17 | Toppan Printing Co Ltd | 異方性光散乱フィルム用組成物及び異方性光散乱フィルム |
JP2002098815A (ja) * | 2000-07-05 | 2002-04-05 | Keiwa Inc | 光学シート |
-
2002
- 2002-06-19 KR KR1020020034322A patent/KR100621863B1/ko active IP Right Grant
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100680126B1 (ko) * | 2005-03-16 | 2007-02-07 | 도레이새한 주식회사 | 박막트랜지스터 액정디스플레이용 공극형성 광확산 시트 |
KR100869288B1 (ko) * | 2006-01-13 | 2008-11-18 | 익스플로잇 테크놀로지 컴퍼니 리미티드 | 밝기 불균일을 감소시키기 위한 광학부재 |
KR100854752B1 (ko) * | 2007-02-01 | 2008-08-27 | 온누리전자(주) | 확산 수단이 일체화된 백라이트 유닛용 프리즘 시트 및 그제조방법 |
KR101476741B1 (ko) * | 2013-01-17 | 2014-12-26 | 글로텍 주식회사 | 복합광학시트 및 그 제조 방법 |
Also Published As
Publication number | Publication date |
---|---|
KR100621863B1 (ko) | 2006-09-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4170084B2 (ja) | 面状光源装置及び表示装置 | |
US6667782B1 (en) | Light guide apparatus, a backlight apparatus and a liquid crystal display apparatus | |
US20070046856A1 (en) | Liquid crystal display device | |
US7355661B2 (en) | Liquid crystal display module | |
US6095656A (en) | Backlighting apparatus and display apparatus using the same | |
KR20040081001A (ko) | 액정표시모듈 | |
JPH11184386A (ja) | フロントライト型照明装置およびフロントライト型照明装置付き反射型カラー表示装置 | |
KR20030054948A (ko) | 백라이트 유닛 | |
JP2006518541A (ja) | バックライトアセンブリ及びこれを有する液晶表示装置 | |
KR20030097143A (ko) | 액정표시장치의 백라이트 유닛 | |
JP3452077B2 (ja) | 面光源装置 | |
JPH1073820A (ja) | 非光拡散性導光板、レンズフィルム、および面光源装置 | |
KR100621863B1 (ko) | 액정표시장치의 백라이트 유닛 | |
KR20070064752A (ko) | 백 라이트 유닛 | |
KR100860520B1 (ko) | 액정표시장치의 백라이트 구조 | |
JP2005300775A (ja) | 液晶表示装置及び面光源 | |
KR20100131300A (ko) | 백라이트장치 및 이를 구비한 액정표시장치 | |
KR100701015B1 (ko) | 액정표시장치 | |
KR101350590B1 (ko) | 렌티큘러 렌즈 어레이 시트 및 그를 이용한 백라이트 유닛 | |
KR100880938B1 (ko) | 백라이트 유닛 | |
KR100861275B1 (ko) | 백라이트 유닛 | |
KR100845250B1 (ko) | 백라이트 유닛 | |
CN114967224B (zh) | 背光模组及显示装置 | |
KR100830099B1 (ko) | 액정표시장치의 백라이트 유닛 | |
KR20030055378A (ko) | 액정표시장치의 백라이트 유닛 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
AMND | Amendment | ||
E601 | Decision to refuse application | ||
J201 | Request for trial against refusal decision | ||
AMND | Amendment | ||
B601 | Maintenance of original decision after re-examination before a trial | ||
J301 | Trial decision |
Free format text: TRIAL DECISION FOR APPEAL AGAINST DECISION TO DECLINE REFUSAL REQUESTED 20050124 Effective date: 20060630 |
|
S901 | Examination by remand of revocation | ||
GRNO | Decision to grant (after opposition) | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20130619 Year of fee payment: 8 |
|
FPAY | Annual fee payment |
Payment date: 20140630 Year of fee payment: 9 |
|
FPAY | Annual fee payment |
Payment date: 20150818 Year of fee payment: 10 |
|
FPAY | Annual fee payment |
Payment date: 20160816 Year of fee payment: 11 |
|
FPAY | Annual fee payment |
Payment date: 20170816 Year of fee payment: 12 |
|
FPAY | Annual fee payment |
Payment date: 20180816 Year of fee payment: 13 |