KR100700380B1 - 액정 표시 장치 및 그 백라이트 모듈 - Google Patents
액정 표시 장치 및 그 백라이트 모듈 Download PDFInfo
- Publication number
- KR100700380B1 KR100700380B1 KR1020050049067A KR20050049067A KR100700380B1 KR 100700380 B1 KR100700380 B1 KR 100700380B1 KR 1020050049067 A KR1020050049067 A KR 1020050049067A KR 20050049067 A KR20050049067 A KR 20050049067A KR 100700380 B1 KR100700380 B1 KR 100700380B1
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- South Korea
- Prior art keywords
- optical film
- film sheet
- light source
- liquid crystal
- fresnel pattern
- 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
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- 239000012788 optical film Substances 0.000 claims abstract description 53
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 49
- 238000000034 method Methods 0.000 claims 12
- 239000002184 metal Substances 0.000 claims 1
- 238000009792 diffusion process Methods 0.000 description 9
- 239000000758 substrate Substances 0.000 description 9
- 239000010408 film Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 229920000089 Cyclic olefin copolymer Polymers 0.000 description 4
- 239000004713 Cyclic olefin copolymer Substances 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000010409 thin film Substances 0.000 description 3
- 210000002858 crystal cell Anatomy 0.000 description 2
- 229920000515 polycarbonate Polymers 0.000 description 2
- 239000004417 polycarbonate Substances 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000000149 argon plasma sintering Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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
- G02F1/133526—Lenses, e.g. microlenses or Fresnel lenses
-
- 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
- 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
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F13/00—Illuminated signs; Luminous advertising
- G09F13/04—Signs, boards or panels, illuminated from behind the insignia
-
- 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
- G02F1/133504—Diffusing, scattering, diffracting elements
- G02F1/133507—Films for enhancing the luminance
-
- 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
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
- G02F1/133607—Direct backlight including a specially adapted diffusing, scattering or light controlling members the light controlling member including light directing or refracting elements, e.g. prisms or lenses
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Liquid Crystal (AREA)
- Planar Illumination Modules (AREA)
- Optical Elements Other Than Lenses (AREA)
Abstract
Description
Claims (16)
- 백라이트 모듈에 있어서,1개의 프레넬(Fresnel) 패턴 영역을 가지는 제1 표면과, 상기 제1 표면에 대향하는 제2 표면을 가지는 광학 필름 시트와,상기 광학 필름 시트의 일측에 위치하는, 1개의 광원을 구비하고,상기 프레넬 패턴 영역은, 2개의 초점 거리를 가지는 것을 특징으로 하는 백라이트 모듈.
- 제1항에 있어서,상기 하우징은, 상기 광학 필름 시트와 접합하는 개구(開口)를 가지고, 상기 광학 필름 시트와 상기 하우징에 의하여 용치(容置) 공간을 형성하고, 상기 광원은, 상기 하우징에 설치되고, 또한 상기 용치 공간에 위치하는 것을 특징으로 하는 백라이트 모듈.
- 제1항에 있어서,상기 광원은, 상기 광학 필름 시트의 상기 제1 표면 또는 상기 제2 표면에 대향해서 설치되는 것을 특징으로 하는 백라이트 모듈.
- 삭제
- 제1항에 있어서,상기 프레넬 패턴 영역은, 직선형 프레넬 패턴인 것을 특징으로 하는 백라이트 모듈.
- 제1항에 있어서,상기 광원은, 냉음극 형광 램프 또는 발광 다이오드 어레이인 것을 특징으로 하는 백라이트 모듈.
- 제1항에 있어서,상기 광원은, 그 수가 프레넬 패턴 영역의 수와 동일하고, 또한 프레넬 패턴 영역에 대향하는 위치에 설치하는 것을 특징으로 하는 백라이트 모듈.
- 제1항에 있어서,상기 광학 필름 시트의 상기 제2 표면상에는, 톱니 패턴을 설치하는 것을 특징으로 하는 백라이트 모듈.
- 액정 표시 장치에 있어서,액정 모듈과,1개의 프레넬 패턴 영역을 가지는 제1 표면과, 상기 제1 표면에 대향하는 제2 표면을 가지는 광학 필름 시트와,상기 광학 필름 시트의 일측에 위치하고, 상기 광학 필름 시트는, 상기 액정 모듈과 광원 사이에 위치하는 1개의 광원을 구비하고,상기 프레넬 패턴 영역은, 2개의 초점 거리를 가지는 것을 특징으로 하는 액정 표시 장치.
- 제9항에 있어서,상기 하우징은, 상기 광학 필름 시트와 접합하는 개구를 가지고, 상기 광학 필름 시트와 상기 하우징에 의하여 용치 공간을 형성하고, 상기 광원은, 상기 하우징에 설치되고, 또한 상기 용치 공간에 위치하는 것을 특징으로 하는 액정 표시 장치.
- 제9항에 있어서,상기 광원은, 상기 광학 필름 시트의 상기 제1 표면 또는 상기 제2 표면에 대향해서 설치되는 것을 특징으로 하는 액정 표시 장치.
- 삭제
- 제9항에 있어서,상기 프레넬 패턴 영역은, 직선형의 프레넬 패턴인 것을 특징으로 하는 액정 표시 장치.
- 제9항에 있어서,상기 광원은, 냉음극 형광 램프 또는 발광 다이오드 어레이인 것을 특징으로 하는 액정 표시 장치.
- 제9항에 있어서,상기 광원은, 그 수가 프레넬 패턴 영역의 수와 동일하고, 또한 프레넬 패턴 영역에 대향하는 위치에 설치하는 것을 특징으로 하는 액정 표시 장치.
- 제9항에 있어서,상기 광학 필름 시트의 상기 제2 표면상에는, 톱니 패턴을 만드는 것을 특징으로 하는 액정 표시 장치.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW093116460 | 2004-06-08 | ||
TW093116460A TWI293135B (en) | 2004-06-08 | 2004-06-08 | Liquid crystal display and backlight module |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20060048282A KR20060048282A (ko) | 2006-05-18 |
KR100700380B1 true KR100700380B1 (ko) | 2007-03-28 |
Family
ID=35448671
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020050049067A Expired - Fee Related KR100700380B1 (ko) | 2004-06-08 | 2005-06-08 | 액정 표시 장치 및 그 백라이트 모듈 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20050270761A1 (ko) |
JP (1) | JP2005353597A (ko) |
KR (1) | KR100700380B1 (ko) |
TW (1) | TWI293135B (ko) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006156329A (ja) * | 2004-11-08 | 2006-06-15 | Nitto Denko Corp | 直下型バックライト用導光板および直下型バックライト |
KR20070033137A (ko) * | 2005-09-21 | 2007-03-26 | 삼성전자주식회사 | 광학판, 이의 제조 방법 및 이를 갖는 표시 장치 |
JP5376339B2 (ja) * | 2007-04-17 | 2013-12-25 | コーニンクレッカ フィリップス エヌ ヴェ | 照明器具 |
US20090046219A1 (en) * | 2007-08-15 | 2009-02-19 | Gareth Paul Bell | Optical diffuser |
US7967477B2 (en) * | 2007-09-06 | 2011-06-28 | Philips Lumileds Lighting Company Llc | Compact optical system and lenses for producing uniform collimated light |
CN101576229A (zh) * | 2008-05-07 | 2009-11-11 | 富准精密工业(深圳)有限公司 | 路灯发光模组及发光元件及其透镜 |
KR101028201B1 (ko) * | 2009-05-25 | 2011-04-11 | 엘지이노텍 주식회사 | 렌즈 및 이를 구비한 조명 유닛 |
KR101156436B1 (ko) * | 2010-01-19 | 2012-06-18 | 삼성모바일디스플레이주식회사 | 광학필름 및 이를 구비하는 유기 발광 디스플레이 장치 |
JP5634108B2 (ja) * | 2010-04-27 | 2014-12-03 | 株式会社日立製作所 | 光学シート,光源モジュール,光源モジュールを用いた照明装置,液晶表示装置及び映像表示装置 |
TWI478413B (zh) * | 2012-09-07 | 2015-03-21 | Univ Chung Chou Sci & Tech | 有機發光二極體照明模組 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20000070570A (ko) * | 1997-01-29 | 2000-11-25 | 알프레드 엘. 미첼슨 | 액정 디스플레이 판넬상의 렌즈 어레이 및 이의 제조방법 |
KR20040031858A (ko) * | 2002-10-04 | 2004-04-14 | 삼성전자주식회사 | 액정표시장치 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5390276A (en) * | 1992-10-08 | 1995-02-14 | Briteview Technologies | Backlighting assembly utilizing microprisms and especially suitable for use with a liquid crystal display |
US5720545A (en) * | 1995-02-28 | 1998-02-24 | Rockwell International | Refracting optic for fluorescent lamps used in backlighting liquid crystal displays |
JPH10282310A (ja) * | 1997-04-11 | 1998-10-23 | Dainippon Printing Co Ltd | フレネルレンズシート及び透過型スクリーン |
US6407859B1 (en) * | 1999-01-13 | 2002-06-18 | 3M Innovative Properties Company | Fresnel lens for projection screen |
US6663262B2 (en) * | 2001-09-10 | 2003-12-16 | 3M Innovative Properties Company | Backlighting transmissive displays |
JP2003173712A (ja) * | 2001-12-05 | 2003-06-20 | Toyoda Gosei Co Ltd | 発光装置及びディスプレイ |
-
2004
- 2004-06-08 TW TW093116460A patent/TWI293135B/zh not_active IP Right Cessation
- 2004-10-21 US US10/969,044 patent/US20050270761A1/en not_active Abandoned
-
2005
- 2005-06-07 JP JP2005167155A patent/JP2005353597A/ja active Pending
- 2005-06-08 KR KR1020050049067A patent/KR100700380B1/ko not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20000070570A (ko) * | 1997-01-29 | 2000-11-25 | 알프레드 엘. 미첼슨 | 액정 디스플레이 판넬상의 렌즈 어레이 및 이의 제조방법 |
KR20040031858A (ko) * | 2002-10-04 | 2004-04-14 | 삼성전자주식회사 | 액정표시장치 |
Non-Patent Citations (2)
Title |
---|
1020000070570 |
1020040031858 |
Also Published As
Publication number | Publication date |
---|---|
TW200540498A (en) | 2005-12-16 |
TWI293135B (en) | 2008-02-01 |
US20050270761A1 (en) | 2005-12-08 |
KR20060048282A (ko) | 2006-05-18 |
JP2005353597A (ja) | 2005-12-22 |
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