KR100582928B1 - 액정표시장치의 백라이트 어셈블리 - Google Patents
액정표시장치의 백라이트 어셈블리 Download PDFInfo
- Publication number
- KR100582928B1 KR100582928B1 KR1019980028272A KR19980028272A KR100582928B1 KR 100582928 B1 KR100582928 B1 KR 100582928B1 KR 1019980028272 A KR1019980028272 A KR 1019980028272A KR 19980028272 A KR19980028272 A KR 19980028272A KR 100582928 B1 KR100582928 B1 KR 100582928B1
- Authority
- KR
- South Korea
- Prior art keywords
- refractive index
- backlight assembly
- light
- lower layer
- waveguide
- 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
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
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
- G02B6/0031—Reflecting element, 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
- 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
- G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
- G02B6/0086—Positioning aspects
- G02B6/009—Positioning aspects of the light source in the package
-
- 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)
Abstract
Description
Claims (4)
- 광선을 발생하는 발광램프, 램프 반사판 및 상기 발광램프와 램프 반사판으로부터의 광선을 집광하는 렌즈를 갖는 램프 어셈블리; 및제1 굴절율을 갖는 하층 및 상기 제1 굴절율보다 작은 제2 굴절율을 갖는 상층을 포함하며, 상기 렌즈에 의해 집광된 광선을 LCD 패널 방향으로 전달하는 도파관을 포함하는 액정표시장치의 백라이트 어셈블리.
- 제1항에 있어서, 상기 도파관은 상기 하층의 저면에 반사막이 코팅된 것을 특징으로 하는 액정표시장치의 백라이트 어셈블리.
- 제1항에 있어서, 상기 상층은 상기 하층에서 전반사되던 광선이 상기 LCD 패널 방향으로 전달되도록 상기 제1 굴절율과 상기 제2 굴절율 사이의 굴절율을 갖는 결함을 포함하는 것을 특징으로 하는 액정표시장치의 백라이트 어셈블리.
- 제3항에 있어서, 상기 결함의 중심부는 상기 하층의 제1 굴절율과 비슷한 굴절율을 가지며, 측방향으로 갈수록 상기 상층의 제2 굴절율과 비슷한 굴절율을 갖는 것을 특징으로 하는 액정표시장치의 백라이트 어셈블리.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019980028272A KR100582928B1 (ko) | 1998-07-14 | 1998-07-14 | 액정표시장치의 백라이트 어셈블리 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019980028272A KR100582928B1 (ko) | 1998-07-14 | 1998-07-14 | 액정표시장치의 백라이트 어셈블리 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20000008459A KR20000008459A (ko) | 2000-02-07 |
| KR100582928B1 true KR100582928B1 (ko) | 2006-08-30 |
Family
ID=19544059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019980028272A Expired - Fee Related KR100582928B1 (ko) | 1998-07-14 | 1998-07-14 | 액정표시장치의 백라이트 어셈블리 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR100582928B1 (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101186728B1 (ko) | 2010-04-14 | 2012-09-28 | 인타이어 테크놀로지 컴퍼니 리미티드 | 복층 도광 장치 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010099517A (ko) * | 2001-10-18 | 2001-11-09 | 고경진 | 백라이트용 도광판 |
| KR20030061954A (ko) * | 2002-01-14 | 2003-07-23 | 주식회사 테크자인 | 일체형 적층식 도광판 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0772481A (ja) * | 1993-07-30 | 1995-03-17 | Philips Electron Nv | フラットパネル表示装置と照明システムとフラットパネル表示装置の使用に適した放射線源 |
| WO1996003473A1 (en) * | 1994-07-27 | 1996-02-08 | Imperial Chemical Industries Plc | Refrigerant compositions |
| WO1997007460A1 (de) * | 1995-08-16 | 1997-02-27 | Siemens Aktiengesellschaft | Verfahren und vorrichtung für den anschluss einer vielzahl von halbleiterchipkarten |
| JPH09258221A (ja) * | 1996-03-18 | 1997-10-03 | Hitachi Ltd | 液晶表示装置 |
-
1998
- 1998-07-14 KR KR1019980028272A patent/KR100582928B1/ko not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0772481A (ja) * | 1993-07-30 | 1995-03-17 | Philips Electron Nv | フラットパネル表示装置と照明システムとフラットパネル表示装置の使用に適した放射線源 |
| WO1996003473A1 (en) * | 1994-07-27 | 1996-02-08 | Imperial Chemical Industries Plc | Refrigerant compositions |
| WO1997007460A1 (de) * | 1995-08-16 | 1997-02-27 | Siemens Aktiengesellschaft | Verfahren und vorrichtung für den anschluss einer vielzahl von halbleiterchipkarten |
| JPH09258221A (ja) * | 1996-03-18 | 1997-10-03 | Hitachi Ltd | 液晶表示装置 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101186728B1 (ko) | 2010-04-14 | 2012-09-28 | 인타이어 테크놀로지 컴퍼니 리미티드 | 복층 도광 장치 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20000008459A (ko) | 2000-02-07 |
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