KR20040019140A - 엘시디 모듈의 백라이트 유닛 - Google Patents
엘시디 모듈의 백라이트 유닛 Download PDFInfo
- Publication number
- KR20040019140A KR20040019140A KR1020020049401A KR20020049401A KR20040019140A KR 20040019140 A KR20040019140 A KR 20040019140A KR 1020020049401 A KR1020020049401 A KR 1020020049401A KR 20020049401 A KR20020049401 A KR 20020049401A KR 20040019140 A KR20040019140 A KR 20040019140A
- Authority
- KR
- South Korea
- Prior art keywords
- light
- guide plate
- light guide
- lcd module
- backlight unit
- Prior art date
Links
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 14
- 230000003287 optical effect Effects 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
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
- G02B6/0038—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
- G02B6/005—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
- 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)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Planar Illumination Modules (AREA)
Abstract
Description
Claims (2)
- 광원에서 입광된 빛이 도광판 및 역프리즘에 의해 출광되고, 상기 출광된 빛을 일정하게 정리하여 액정표시소자로 투과시키는 엘시디 모듈의 백라이트 유닛에 있어서,상기 도광판 및 역프리즘은 입광면에 다수의 굴곡부를 가지되, 상기 굴곡부는 일단이 라운드진 형상을 가진 것을 특징으로 하는 엘시디 모듈의 백라이트 유닛.
- 제 1항에 있어서, 상기 광원은 배면 광원인 것을 특징으로 하는 엘시디 모듈의 백라이트 유닛.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020020049401A KR20040019140A (ko) | 2002-08-21 | 2002-08-21 | 엘시디 모듈의 백라이트 유닛 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020020049401A KR20040019140A (ko) | 2002-08-21 | 2002-08-21 | 엘시디 모듈의 백라이트 유닛 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR20040019140A true KR20040019140A (ko) | 2004-03-05 |
Family
ID=37324121
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020020049401A KR20040019140A (ko) | 2002-08-21 | 2002-08-21 | 엘시디 모듈의 백라이트 유닛 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR20040019140A (ko) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100621808B1 (ko) * | 2006-05-30 | 2006-09-11 | 케이엔디티앤아이 주식회사 | 면광원 제공을 위한 백라이트 구조를 갖는 방사선 투과사진관찰기 |
KR100673990B1 (ko) * | 2005-05-24 | 2007-01-25 | 엘지전자 주식회사 | 백라이트 유닛, 액정 표시 장치 및 이에 사용되는 역프리즘시트 |
KR100735294B1 (ko) * | 2005-10-27 | 2007-07-03 | 레디언트 옵토-일렉트로닉스 코포레이션 | 백라이트 모듈 |
KR100835948B1 (ko) * | 2006-10-03 | 2008-06-09 | 우 옵트로닉스 코포레이션 | 액정 디스플레이 및 그것의 백라이트 모듈 |
KR101158893B1 (ko) * | 2005-06-09 | 2012-06-25 | 삼성전자주식회사 | 광학 부재, 이를 갖는 백라이트 어셈블리 및 액정표시장치 |
CN109716352A (zh) * | 2018-12-17 | 2019-05-03 | 深圳市汇顶科技股份有限公司 | 液晶显示指纹模组、屏下指纹识别系统及电子设备 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1152380A (ja) * | 1997-05-14 | 1999-02-26 | Enplas Corp | サイドライト型面光源装置及び液晶表示装置 |
KR20000048432A (ko) * | 1998-12-28 | 2000-07-25 | 요코다 마코도 | 도광판, 사이드라이트형 면광원장치 및 액정표시장치 |
KR20010011935A (ko) * | 1999-07-31 | 2001-02-15 | 윤종용 | 액정표시장치의 백라이트 어셈블리 |
KR20010021407A (ko) * | 1999-08-25 | 2001-03-15 | 요코다 마코도 | 도광판, 사이드 라이트형 면광원장치 및 액정표시장치 |
JP2001343507A (ja) * | 2000-06-01 | 2001-12-14 | Mitsubishi Rayon Co Ltd | レンズシートおよびそれを用いた面光源素子ならびに液晶表示装置 |
-
2002
- 2002-08-21 KR KR1020020049401A patent/KR20040019140A/ko not_active Application Discontinuation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1152380A (ja) * | 1997-05-14 | 1999-02-26 | Enplas Corp | サイドライト型面光源装置及び液晶表示装置 |
KR20000048432A (ko) * | 1998-12-28 | 2000-07-25 | 요코다 마코도 | 도광판, 사이드라이트형 면광원장치 및 액정표시장치 |
KR20010011935A (ko) * | 1999-07-31 | 2001-02-15 | 윤종용 | 액정표시장치의 백라이트 어셈블리 |
KR20010021407A (ko) * | 1999-08-25 | 2001-03-15 | 요코다 마코도 | 도광판, 사이드 라이트형 면광원장치 및 액정표시장치 |
JP2001343507A (ja) * | 2000-06-01 | 2001-12-14 | Mitsubishi Rayon Co Ltd | レンズシートおよびそれを用いた面光源素子ならびに液晶表示装置 |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100673990B1 (ko) * | 2005-05-24 | 2007-01-25 | 엘지전자 주식회사 | 백라이트 유닛, 액정 표시 장치 및 이에 사용되는 역프리즘시트 |
KR101158893B1 (ko) * | 2005-06-09 | 2012-06-25 | 삼성전자주식회사 | 광학 부재, 이를 갖는 백라이트 어셈블리 및 액정표시장치 |
KR100735294B1 (ko) * | 2005-10-27 | 2007-07-03 | 레디언트 옵토-일렉트로닉스 코포레이션 | 백라이트 모듈 |
KR100621808B1 (ko) * | 2006-05-30 | 2006-09-11 | 케이엔디티앤아이 주식회사 | 면광원 제공을 위한 백라이트 구조를 갖는 방사선 투과사진관찰기 |
KR100835948B1 (ko) * | 2006-10-03 | 2008-06-09 | 우 옵트로닉스 코포레이션 | 액정 디스플레이 및 그것의 백라이트 모듈 |
US7641378B2 (en) | 2006-10-03 | 2010-01-05 | Au Optronics Corporation | Liquid crystal display and backlight module thereof |
CN109716352A (zh) * | 2018-12-17 | 2019-05-03 | 深圳市汇顶科技股份有限公司 | 液晶显示指纹模组、屏下指纹识别系统及电子设备 |
CN109716352B (zh) * | 2018-12-17 | 2023-07-14 | 深圳市汇顶科技股份有限公司 | 液晶显示指纹模组、屏下指纹识别系统及电子设备 |
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