KR100815902B1 - 백라이트 유닛 - Google Patents
백라이트 유닛 Download PDFInfo
- Publication number
- KR100815902B1 KR100815902B1 KR1020010086756A KR20010086756A KR100815902B1 KR 100815902 B1 KR100815902 B1 KR 100815902B1 KR 1020010086756 A KR1020010086756 A KR 1020010086756A KR 20010086756 A KR20010086756 A KR 20010086756A KR 100815902 B1 KR100815902 B1 KR 100815902B1
- Authority
- KR
- South Korea
- Prior art keywords
- light
- light source
- led
- backlight unit
- plate
- Prior art date
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Classifications
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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
- G02F1/1336—Illuminating devices
- G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
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- 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
- G02B6/0058—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide
- G02B6/0061—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide to provide homogeneous light output intensity
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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
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133605—Direct backlight including specially adapted 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
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S362/00—Illumination
- Y10S362/80—Light emitting diode
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- 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 (10)
- 빛을 발광하는 LED(Light Emitting Diode)를 포함하는 광원부와,상기 광원부에서 멀어질수록 곡률이 커지는 포물선 모양으로 형성되어 상기 광원부의 빛을 액정패널에 고르게 분산 공급시키기 위한 반사판과,상기 반사판으로부터 공급된 빛을 확산시키기 위한 확산판을 포함하는 것을 특징으로 하는 백라이트 유닛.
- 제 1 항에 있어서, 상기 LED는 R.G.B가 모두있는 칩 또는 각각의 R LED, G LED, B LED로 구성되는 것을 특징으로 하는 백라이트 유닛.
- 제 1 항에 있어서, 상기 LED의 집광정도는 5도 이상인 것을 특징으로 하는 백라이트 유닛.
- 빛을 발광하는 LED(Light Emitting Diode)를 포함하는 광원부와,상기 광원부에 대하여 경사각을 갖는 복수의 미소돌기가 형성되어 상기 광원부의 빛을 액정패널에 고르게 분산 공급시키기 위한 반사판과,상기 반사판으로부터 공급된 빛을 확산시키기 위한 확산판을 포함하며,상기 미소돌기는 상기 반사판 상에 균일하게 형성되어 상기 광원부에서 멀어질수록 경사각이 커지는 것을 특징으로 하는 백라이트 유닛.
- 삭제
- 삭제
- 제 4 항에 있어서, 상기 LED의 집광정도는 5도 이상인 것을 특징으로 하는 백라이트 유닛.
- 제 4 항에 있어서, 상기 광원부가 복수개 형성될 경우 상기 미소돌기는 상기 광원부에 대향하여 각각의 경사각을 갖는 것을 특징으로 하는 백라이트 유닛.
- 삭제
- 제 1 또는 제 4 항에 있어서,상기 광원부는 상기 LED로부터 출사된 광을 상기 반사판 방향으로 집광시키는 집광커버를 더 포함함을 특징으로 하는 백라이트 유닛.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020010086756A KR100815902B1 (ko) | 2001-12-28 | 2001-12-28 | 백라이트 유닛 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020010086756A KR100815902B1 (ko) | 2001-12-28 | 2001-12-28 | 백라이트 유닛 |
Publications (2)
Publication Number | Publication Date |
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KR20030056529A KR20030056529A (ko) | 2003-07-04 |
KR100815902B1 true KR100815902B1 (ko) | 2008-03-21 |
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Family Applications (1)
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KR1020010086756A KR100815902B1 (ko) | 2001-12-28 | 2001-12-28 | 백라이트 유닛 |
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Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100546705B1 (ko) * | 2002-09-25 | 2006-01-26 | 엘지.필립스 엘시디 주식회사 | 액정표시장치의 백라이트 유닛 |
KR100712107B1 (ko) * | 2004-12-09 | 2007-04-27 | 삼성에스디아이 주식회사 | 액정 표시 장치 |
KR101005963B1 (ko) * | 2008-10-13 | 2011-01-05 | 년 순 송 | 우리나라 전통의 오방색 구성을 접목시킨 휴대폰주머니의제조방법 |
US8684547B2 (en) * | 2010-08-18 | 2014-04-01 | Lg Innotek Co., Ltd. | Backlight unit and display apparatus using the same |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02139592A (ja) * | 1988-11-21 | 1990-05-29 | Hitachi Ltd | 表示装置 |
JPH05216030A (ja) * | 1992-02-03 | 1993-08-27 | Copal Co Ltd | バックライト |
JPH06118248A (ja) * | 1992-10-06 | 1994-04-28 | Toray Ind Inc | 導光板およびそれを用いた面光源 |
JPH0894844A (ja) * | 1994-09-26 | 1996-04-12 | Fujitsu Ltd | 導光板並びにこれを用いた面光源及び非発光型表示装置 |
JPH08292325A (ja) * | 1995-04-20 | 1996-11-05 | Ohtsu Tire & Rubber Co Ltd :The | 導光板装置 |
JPH11160699A (ja) * | 1997-11-21 | 1999-06-18 | Mitsubishi Electric Corp | 液晶パネルモジュール |
KR20010001951A (ko) * | 1999-06-10 | 2001-01-05 | 구본준 | 보조광원 장치를 가진 반사형 액정표시장치 |
-
2001
- 2001-12-28 KR KR1020010086756A patent/KR100815902B1/ko active IP Right Grant
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02139592A (ja) * | 1988-11-21 | 1990-05-29 | Hitachi Ltd | 表示装置 |
JPH05216030A (ja) * | 1992-02-03 | 1993-08-27 | Copal Co Ltd | バックライト |
JPH06118248A (ja) * | 1992-10-06 | 1994-04-28 | Toray Ind Inc | 導光板およびそれを用いた面光源 |
JPH0894844A (ja) * | 1994-09-26 | 1996-04-12 | Fujitsu Ltd | 導光板並びにこれを用いた面光源及び非発光型表示装置 |
JPH08292325A (ja) * | 1995-04-20 | 1996-11-05 | Ohtsu Tire & Rubber Co Ltd :The | 導光板装置 |
JPH11160699A (ja) * | 1997-11-21 | 1999-06-18 | Mitsubishi Electric Corp | 液晶パネルモジュール |
KR20010001951A (ko) * | 1999-06-10 | 2001-01-05 | 구본준 | 보조광원 장치를 가진 반사형 액정표시장치 |
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KR20030056529A (ko) | 2003-07-04 |
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