KR101414605B1 - 백라이트 유닛 및 이를 구비한 디스플레이 장치 - Google Patents
백라이트 유닛 및 이를 구비한 디스플레이 장치 Download PDFInfo
- Publication number
- KR101414605B1 KR101414605B1 KR1020070062181A KR20070062181A KR101414605B1 KR 101414605 B1 KR101414605 B1 KR 101414605B1 KR 1020070062181 A KR1020070062181 A KR 1020070062181A KR 20070062181 A KR20070062181 A KR 20070062181A KR 101414605 B1 KR101414605 B1 KR 101414605B1
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- KR
- South Korea
- Prior art keywords
- light
- backlight unit
- reflector
- light source
- reflectors
- 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.)
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- 238000000034 method Methods 0.000 claims description 5
- NCGICGYLBXGBGN-UHFFFAOYSA-N 3-morpholin-4-yl-1-oxa-3-azonia-2-azanidacyclopent-3-en-5-imine;hydrochloride Chemical compound Cl.[N-]1OC(=N)C=[N+]1N1CCOCC1 NCGICGYLBXGBGN-UHFFFAOYSA-N 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 239000013307 optical fiber Substances 0.000 description 2
- 238000004020 luminiscence type Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
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
-
- 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
- G02B6/0051—Diffusing 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
- G02B6/0055—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
- G02B6/0058—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
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 (13)
- 광원; 및상기 광원에서 방출된 빛을 도광판으로 반사하는 복수 개의 반사판이 구비된 반사판 어레이를 포함하여 이루어지고,상기 반사판들은 적어도 두 개 이상의 군으로 그룹핑되고,상기 각각의 군의 반사판들은 동일한 반사율을 갖는 것을 특징으로 하는 백라이트 유닛.
- 제 1 항에 있어서, 상기 광원은,레이저 광원인 것을 특징으로 하는 백라이트 유닛.
- 제 1 항에 있어서, 상기 광원과 반사판 어레이는,상기 도광판의 적어도 2면에 구비된 것을 특징으로 하는 백라이트 유닛.
- 제 1 항에 있어서,상기 반사판 어레이에서 반사된 빛을 확산시키는 디퓨저를 더 포함하는 백라이트 유닛.
- 제 1 항에 있어서, 상기 반사판은상기 광원으로부터 입사된 빛의 일부를 상기 도광판으로 반사하고, 나머지 빛을 투과시키는 것을 특징으로 하는 백라이트 유닛.
- 제 1 항에 있어서,상기 반사판 중 적어도 일부는 상기 광원에서 멀어질수록 반사율이 증가하는 것을 특징으로 하는 백라이트 유닛.
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 영상 정보가 표시되는 패널; 및상기 제 1 항 내지 제 6 항 중 어느 한 항에 기재된 백라이트 유닛을 포함하여 이루어지는 것을 특징으로 하는 디스플레이 장치.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020070062181A KR101414605B1 (ko) | 2007-06-25 | 2007-06-25 | 백라이트 유닛 및 이를 구비한 디스플레이 장치 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020070062181A KR101414605B1 (ko) | 2007-06-25 | 2007-06-25 | 백라이트 유닛 및 이를 구비한 디스플레이 장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20080113562A KR20080113562A (ko) | 2008-12-31 |
KR101414605B1 true KR101414605B1 (ko) | 2014-07-03 |
Family
ID=40370791
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020070062181A Active KR101414605B1 (ko) | 2007-06-25 | 2007-06-25 | 백라이트 유닛 및 이를 구비한 디스플레이 장치 |
Country Status (1)
Country | Link |
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KR (1) | KR101414605B1 (ko) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10353134B2 (en) | 2015-07-08 | 2019-07-16 | Samsung Display Co., Ltd. | Backlight unit and display device including the same |
US10718891B2 (en) | 2017-01-20 | 2020-07-21 | Samsung Electronics Co., Ltd. | Input coupler, backlight unit, and three-dimensional image display apparatus including the input coupler |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103123076B (zh) * | 2013-03-01 | 2015-06-17 | 京东方科技集团股份有限公司 | 背光模组、液晶面板和显示装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002324407A (ja) * | 2001-04-24 | 2002-11-08 | Hybec Corp | 点光源を線光源にする方法 |
JP2003007114A (ja) * | 2001-06-26 | 2003-01-10 | Sharp Corp | フロントライトおよびそれを用いた反射型表示装置 |
JP2003331626A (ja) * | 2002-03-08 | 2003-11-21 | Seiko Epson Corp | 光源変換装置、点光源、演色性制御方法、そのプログラムおよび電子機器 |
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2007
- 2007-06-25 KR KR1020070062181A patent/KR101414605B1/ko active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002324407A (ja) * | 2001-04-24 | 2002-11-08 | Hybec Corp | 点光源を線光源にする方法 |
JP2003007114A (ja) * | 2001-06-26 | 2003-01-10 | Sharp Corp | フロントライトおよびそれを用いた反射型表示装置 |
JP2003331626A (ja) * | 2002-03-08 | 2003-11-21 | Seiko Epson Corp | 光源変換装置、点光源、演色性制御方法、そのプログラムおよび電子機器 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10353134B2 (en) | 2015-07-08 | 2019-07-16 | Samsung Display Co., Ltd. | Backlight unit and display device including the same |
US10718891B2 (en) | 2017-01-20 | 2020-07-21 | Samsung Electronics Co., Ltd. | Input coupler, backlight unit, and three-dimensional image display apparatus including the input coupler |
Also Published As
Publication number | Publication date |
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KR20080113562A (ko) | 2008-12-31 |
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