KR20080022717A - 백라이트 유닛 - Google Patents
백라이트 유닛 Download PDFInfo
- Publication number
- KR20080022717A KR20080022717A KR1020060086239A KR20060086239A KR20080022717A KR 20080022717 A KR20080022717 A KR 20080022717A KR 1020060086239 A KR1020060086239 A KR 1020060086239A KR 20060086239 A KR20060086239 A KR 20060086239A KR 20080022717 A KR20080022717 A KR 20080022717A
- Authority
- KR
- South Korea
- Prior art keywords
- light
- guide plate
- light guide
- backlight unit
- light source
- 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.)
- Ceased
Links
Images
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
- G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/0016—Grooves, prisms, gratings, scattering particles or rough surfaces
-
- 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
- G02B6/0036—2-D arrangement of prisms, protrusions, indentations or roughened surfaces
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- 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
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 (5)
- 광을 균일하게 산란시키기 위한 도광판과;상기 도광판의 배면에 일정한 간격을 갖고 형성되는 복수개의 홈과;상기 복수개의 홈 내부에 각각 배치되는 광원들; 및상기 도광판의 상단에 놓여지는 광학시트부를 포함하며,상기 도광판의 표면 중 상기 광원의 바로 상단에 위치되어 상기 광원으로부터 발산되는 광이 직접적으로 도달되는 직광영역에는 광산란 패턴이 형성되어 있는 것을 특징으로 하는 백라이트 유닛.
- 제 1 항에 있어서,상기 광원을 포함한 도광판의 배면에 형성되어 상기 광원에서 출사된 광원이 상기 도광판 내부로 입사되도록 하기 위한 반사판을 더 포함하는 백라이트 유닛.
- 제 1 항에 있어서,상기 도광판의 하부면에는 상기 광원으로부터 출사된 광을 상부면으로 반사시키기 위한 반사패턴이 형성되어 있는 것을 특징으로 하는 백라이트 유닛.
- 제 1 항에 있어서,상기 도광판의 하부면에는 상기 광원으로부터 출사된 광을 상부면으로 반사 시키기 위한 패턴산이 형성되어 있는 것을 특징으로 하는 백라이트 유닛.
- 제 1 항에 있어서,상기 광산란 패턴은,프린팅 방법 또는 샌딩 방법에 의해 형성되는 것을 특징으로 하는 백라이트 유닛.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020060086239A KR20080022717A (ko) | 2006-09-07 | 2006-09-07 | 백라이트 유닛 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020060086239A KR20080022717A (ko) | 2006-09-07 | 2006-09-07 | 백라이트 유닛 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR20080022717A true KR20080022717A (ko) | 2008-03-12 |
Family
ID=39396546
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020060086239A Ceased KR20080022717A (ko) | 2006-09-07 | 2006-09-07 | 백라이트 유닛 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR20080022717A (ko) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008035800A1 (de) | 2007-08-03 | 2009-05-14 | Lg Electronics Inc. | Bekleidungsbehandlungsgerät |
CN104335087A (zh) * | 2011-12-30 | 2015-02-04 | 可隆工业株式会社 | 导光板及其制造方法 |
WO2021095913A1 (ko) * | 2019-11-13 | 2021-05-20 | 엘지전자 주식회사 | 디스플레이 디바이스 |
-
2006
- 2006-09-07 KR KR1020060086239A patent/KR20080022717A/ko not_active Ceased
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008035800A1 (de) | 2007-08-03 | 2009-05-14 | Lg Electronics Inc. | Bekleidungsbehandlungsgerät |
CN104335087A (zh) * | 2011-12-30 | 2015-02-04 | 可隆工业株式会社 | 导光板及其制造方法 |
WO2021095913A1 (ko) * | 2019-11-13 | 2021-05-20 | 엘지전자 주식회사 | 디스플레이 디바이스 |
US12044923B2 (en) | 2019-11-13 | 2024-07-23 | Lg Electronics Inc. | Display device |
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Legal Events
Date | Code | Title | Description |
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PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 20060907 |
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PG1501 | Laying open of application | ||
A201 | Request for examination | ||
PA0201 | Request for examination |
Patent event code: PA02012R01D Patent event date: 20110831 Comment text: Request for Examination of Application Patent event code: PA02011R01I Patent event date: 20060907 Comment text: Patent Application |
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E902 | Notification of reason for refusal | ||
PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20121105 Patent event code: PE09021S01D |
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E601 | Decision to refuse application | ||
PE0601 | Decision on rejection of patent |
Patent event date: 20130318 Comment text: Decision to Refuse Application Patent event code: PE06012S01D Patent event date: 20121105 Comment text: Notification of reason for refusal Patent event code: PE06011S01I |