KR20060085401A - 반사판과 이를 포함하는 액정표시장치 - Google Patents
반사판과 이를 포함하는 액정표시장치 Download PDFInfo
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- KR20060085401A KR20060085401A KR1020050006253A KR20050006253A KR20060085401A KR 20060085401 A KR20060085401 A KR 20060085401A KR 1020050006253 A KR1020050006253 A KR 1020050006253A KR 20050006253 A KR20050006253 A KR 20050006253A KR 20060085401 A KR20060085401 A KR 20060085401A
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- Prior art keywords
- reflecting portion
- led
- reflecting
- liquid crystal
- crystal display
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 52
- 230000003746 surface roughness Effects 0.000 claims abstract description 27
- 238000000034 method Methods 0.000 claims description 15
- 239000010408 film Substances 0.000 description 27
- 239000000758 substrate Substances 0.000 description 11
- 238000009792 diffusion process Methods 0.000 description 9
- 230000000903 blocking effect Effects 0.000 description 8
- 239000010410 layer Substances 0.000 description 8
- 239000010409 thin film Substances 0.000 description 7
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- 229920000139 polyethylene terephthalate Polymers 0.000 description 4
- 239000005020 polyethylene terephthalate Substances 0.000 description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- -1 polyethylene terephthalate Polymers 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 229910052709 silver Inorganic materials 0.000 description 3
- 239000004332 silver Substances 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
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- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 2
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- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
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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
-
- 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
- G02F1/133603—Direct backlight with LEDs
-
- 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
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Planar Illumination Modules (AREA)
- Liquid Crystal (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Optical Elements Other Than Lenses (AREA)
Abstract
Description
Claims (14)
- 소정의 표면 거칠기를 가지는 제1반사부와;상기 제1반사부의 표면 거칠기보다 작은 표면 거칠기를 가지는 제2반사부를 포함하는 것을 특징으로 하는 반사판.
- 제1항에 있어서,상기 제2반사부는 띠 형상인 것을 특징으로 하는 반사판.
- 제2항에 있어서,상기 제2반사부는 복수개로서 상호 나란히 배치되어 있는 것을 특징으로 하는 반사판.
- 제3항에 있어서,상기 제2반사부는 일정한 간격으로 배치되어 있는 것을 특징으로 하는 반사판.
- 제1항에 있어서,상기 제1반사부는 입사하는 빛을 확산반사하며;상기 제2반사부는 입사하는 빛을 정반사하는 것을 특징으로 하는 반사판.
- 제1항에 있어서,상기 제1반사부의 표면 거칠기는 700nm이상이며,상기 제2반사부의 표면 거칠기는 400nm이하인 것을 특징으로 하는 반사판.
- 소정의 표면 거칠기를 가지는 제1반사부와;상기 제1반사부의 표면 거칠기보다 작은 표면 거칠기를 가지는 제2반사부와;상기 제1반사부에 마련되어 있으며 상기 제2반사부와 나란히 배치되어 있는 관통공열을 포함하는 것을 특징으로 하는 반사판.
- 제7항에 있어서,상기 관통공열은 상기 제2반사부와 교대로 형성되어 있는 것을 특징으로 하는 반사판.
- 제7항에 있어서,상기 제2반사부와 폭은 인접한 상기 관통공열간의 거리의 10 내지 40%인 것을 특징으로 하는 반사판.
- 액정표시패널과;엘이디를 포함하며 상기 액정표시패널의 배면에 나란히 배치되어 있는 복수 의 엘이디열과;상기 엘이디의 하부에 위치하며, 소정의 표면 거칠기를 가지는 제1반사부와, 상기 제1반사부의 표면 거칠기보다 작은 표면 거칠기를 가지며 상기 엘이디열 사이에 위치한 제2반사부를 가지는 반사판을 포함하는 것을 특징으로 하는 액정표시장치.
- 제10항에 있어서,상기 제2반사부는 인접한 상기 엘이디열 사이의 중앙부를 따라 형성되어 있는 것을 특징으로 하는 액정표시장치.
- 제10항에 있어서,상기 제2반사부의 폭은 인접한 상기 엘이디열의 간격에 반비례하는 것을 특징으로 하는 액정표시장치.
- 제10항에 있어서,상기 제2반사부의 폭은 인접한 상기 엘이디열의 간격의 10 내지 40%인 것을 특징으로 하는 액정표시장치.
- 제10항에 있어서,상기 엘이디와 연결되어 있는 엘이디 회로기판을 더 포함하며,상기 반사판은 상기 엘이디 회로기판 상에 위치하는 것을 특징으로 하는 액정표시장치.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050006253A KR101189080B1 (ko) | 2005-01-24 | 2005-01-24 | 반사판과 이를 포함하는 액정표시장치 |
CN2005101294709A CN1811552B (zh) | 2005-01-24 | 2005-12-09 | 反射板和具有所述反射板的液晶显示器 |
JP2006015446A JP4413871B2 (ja) | 2005-01-24 | 2006-01-24 | 液晶表示装置 |
US11/339,261 US7510291B2 (en) | 2005-01-24 | 2006-01-24 | Direct-lit LCD with reflective plate |
US12/371,421 US8687146B2 (en) | 2005-01-24 | 2009-02-13 | Reflective plate and liquid crystal display apparatus having the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050006253A KR101189080B1 (ko) | 2005-01-24 | 2005-01-24 | 반사판과 이를 포함하는 액정표시장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20060085401A true KR20060085401A (ko) | 2006-07-27 |
KR101189080B1 KR101189080B1 (ko) | 2012-11-09 |
Family
ID=36696550
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020050006253A KR101189080B1 (ko) | 2005-01-24 | 2005-01-24 | 반사판과 이를 포함하는 액정표시장치 |
Country Status (4)
Country | Link |
---|---|
US (2) | US7510291B2 (ko) |
JP (1) | JP4413871B2 (ko) |
KR (1) | KR101189080B1 (ko) |
CN (1) | CN1811552B (ko) |
Cited By (3)
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KR100793581B1 (ko) * | 2006-08-29 | 2008-01-14 | 엘지이노텍 주식회사 | 백라이트 유닛 및 이를 이용한 디스플레이 장치 |
KR20150015633A (ko) * | 2013-07-31 | 2015-02-11 | 삼성디스플레이 주식회사 | 표시장치 |
KR20180004463A (ko) * | 2016-07-04 | 2018-01-12 | 엘지전자 주식회사 | 디스플레이 디바이스 |
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2005
- 2005-01-24 KR KR1020050006253A patent/KR101189080B1/ko active IP Right Grant
- 2005-12-09 CN CN2005101294709A patent/CN1811552B/zh not_active Expired - Fee Related
-
2006
- 2006-01-24 JP JP2006015446A patent/JP4413871B2/ja not_active Expired - Fee Related
- 2006-01-24 US US11/339,261 patent/US7510291B2/en active Active
-
2009
- 2009-02-13 US US12/371,421 patent/US8687146B2/en active Active
Cited By (4)
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KR100793581B1 (ko) * | 2006-08-29 | 2008-01-14 | 엘지이노텍 주식회사 | 백라이트 유닛 및 이를 이용한 디스플레이 장치 |
US8545075B2 (en) | 2006-08-29 | 2013-10-01 | Lg Innotek Co., Ltd. | Backlight unit and liquid crystal display apparatus including the same |
KR20150015633A (ko) * | 2013-07-31 | 2015-02-11 | 삼성디스플레이 주식회사 | 표시장치 |
KR20180004463A (ko) * | 2016-07-04 | 2018-01-12 | 엘지전자 주식회사 | 디스플레이 디바이스 |
Also Published As
Publication number | Publication date |
---|---|
US20090207345A1 (en) | 2009-08-20 |
KR101189080B1 (ko) | 2012-11-09 |
JP2006209120A (ja) | 2006-08-10 |
US20060164840A1 (en) | 2006-07-27 |
CN1811552A (zh) | 2006-08-02 |
US8687146B2 (en) | 2014-04-01 |
US7510291B2 (en) | 2009-03-31 |
CN1811552B (zh) | 2011-03-16 |
JP4413871B2 (ja) | 2010-02-10 |
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