JP5455084B2 - バックライトユニット及びそれを用いたディスプレイ装置 - Google Patents
バックライトユニット及びそれを用いたディスプレイ装置 Download PDFInfo
- Publication number
- JP5455084B2 JP5455084B2 JP2012057737A JP2012057737A JP5455084B2 JP 5455084 B2 JP5455084 B2 JP 5455084B2 JP 2012057737 A JP2012057737 A JP 2012057737A JP 2012057737 A JP2012057737 A JP 2012057737A JP 5455084 B2 JP5455084 B2 JP 5455084B2
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- JP
- Japan
- Prior art keywords
- reflector
- light source
- distance
- backlight unit
- unit according
- 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
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Classifications
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/0066—Reflectors for light sources specially adapted to cooperate with point like light sources; specially adapted to cooperate with light sources the shape of which is unspecified
-
- 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
- G02B6/0096—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the lights guides being of the hollow type
-
- 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
-
- 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
- G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
-
- 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
- G02F1/133609—Direct backlight including means for improving the color mixing, e.g. white
Description
Claims (16)
- 第1リフレクタと、
第2リフレクタと、
前記第1リフレクタと前記第2リフレクタとの間に配置された少なくとも一つの光源と、
を備え、
前記第2リフレクタの端部から前記少なくとも一つの光源との間隔が、前記光源の上部方向に第1距離だけ離隔しており、
前記第1距離は下記式で表現され、
(ここで、d1は、前記第1距離を示し、x1は、前記光源の側部方向に、前記少なくとも一つの光源と前記第2リフレクタの端部とが離隔した距離を示し、θ1は、前記第2リフレクタの、前記光源の側部方向への傾斜角度である。)
前記光源から前記光源の側部方向に遠ざかるほど、前記第2リフレクタの端部から前記少なくとも一つの光源との前記上部方向への間隔である前記第1距離は変わる、バックライト。 - 前記第2リフレクタは、正反射領域及び乱反射領域を有し、前記第1距離は、前記正反射領域の周辺に形成されている、請求項1に記載のバックライトユニット。
- 前記各光源の間の周辺領域で、前記少なくとも一つの光源の上部方向に、前記第2リフレクタの端部は、前記少なくとも一つの光源と前記第1距離より小さい第3距離だけ離隔している、請求項1又は2のいずれかに記載のバックライトユニット。
- 前記第2リフレクタを支持する支持部をさらに備え、前記支持部で前記少なくとも一つの光源方向へ端面は傾斜している、請求項1ないし3のいずれかに記載のバックライトユニット。
- 前記第1距離は、前記第1リフレクタと重畳される領域に配置されている、請求項1に記載のバックライトユニット。
- 前記光源から前記側部方向に遠ざかるほど前記第1距離は漸減する、請求項1ないし5のいずれかに記載のバックライトユニット。
- 前記第1距離は0.1mm至1.2mmである、請求項1又は5若しくは6に記載のバックライトユニット。
- 前記第1リフレクタの端部は、前記少なくとも一つの光源と、前記光源の上部方向に第2距離だけ離隔している、請求項1ないし5のいずれかに記載のバックライトユニット。
- 前記第1距離と前記第2距離は互いに異なる、請求項8に記載のバックライトユニット。
- 前記θ2は5°乃至15°である、請求項10に記載のバックライトユニット。
- 前記θ1は5°乃至15°である、請求項1に記載のバックライトユニット。
- 前記第1リフレクタは、前記光源の側部方向に突出した面を有する、請求項1に記載のバックライトユニット。
- 前記突出した面は、半球形、三角形、四角形、多角形のうち少なくともいずれか一つである、請求項13に記載のバックライトユニット。
- 前記第3距離は、’0’である、請求項3に記載のバックライトユニット。
- ディスプレイパネルと、
前記ディスプレイパネルに光を照射するバックライトユニットと、を備え、
前記バックライトユニットは、請求項1ないし15のいずれかに記載のバックライトユニットである、バックライトユニットを用いたディスプレイ装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2011-0109464 | 2011-10-25 | ||
KR1020110109464A KR101852389B1 (ko) | 2011-10-25 | 2011-10-25 | 디스플레이 장치 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013268517A Division JP5868934B2 (ja) | 2011-10-25 | 2013-12-26 | バックライトユニット及びそれを用いたディスプレイ装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2013093301A JP2013093301A (ja) | 2013-05-16 |
JP5455084B2 true JP5455084B2 (ja) | 2014-03-26 |
Family
ID=45841322
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012057737A Expired - Fee Related JP5455084B2 (ja) | 2011-10-25 | 2012-03-14 | バックライトユニット及びそれを用いたディスプレイ装置 |
JP2013268517A Expired - Fee Related JP5868934B2 (ja) | 2011-10-25 | 2013-12-26 | バックライトユニット及びそれを用いたディスプレイ装置 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
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JP2013268517A Expired - Fee Related JP5868934B2 (ja) | 2011-10-25 | 2013-12-26 | バックライトユニット及びそれを用いたディスプレイ装置 |
Country Status (6)
Country | Link |
---|---|
US (2) | US8764268B2 (ja) |
EP (1) | EP2587287B1 (ja) |
JP (2) | JP5455084B2 (ja) |
KR (1) | KR101852389B1 (ja) |
CN (1) | CN103075675B (ja) |
TW (1) | TWI540363B (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8630703B2 (en) * | 2011-03-09 | 2014-01-14 | Technion Research & Development Foundation Limited | Treatment utilizing hydrophobic weak bases chemotherapeutic agents and illumination |
JP6985286B2 (ja) * | 2016-03-22 | 2021-12-22 | スージョウ レキン セミコンダクター カンパニー リミテッド | 発光素子およびこれを備えた発光モジュール |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001084811A (ja) * | 1999-09-16 | 2001-03-30 | Stanley Electric Co Ltd | 車両用灯具 |
KR100611972B1 (ko) | 2003-06-10 | 2006-08-11 | 삼성전자주식회사 | 소형광원모듈 및 이를 채용한 투사형 화상표시장치 |
JP2005129409A (ja) * | 2003-10-24 | 2005-05-19 | Sanyo Electric Co Ltd | バックライト装置 |
JP4746301B2 (ja) * | 2004-10-01 | 2011-08-10 | ライツ・アドバンスト・テクノロジー株式会社 | バックライトユニット |
JP4560650B2 (ja) * | 2004-11-22 | 2010-10-13 | ライツ・アドバンスト・テクノロジー株式会社 | バックライトユニット |
JP2006202729A (ja) | 2004-12-24 | 2006-08-03 | Furukawa Electric Co Ltd:The | Led光源ライトボックス |
TW200728851A (en) * | 2006-01-20 | 2007-08-01 | Hon Hai Prec Ind Co Ltd | Backlight module |
CN101004515A (zh) * | 2006-01-21 | 2007-07-25 | 鸿富锦精密工业(深圳)有限公司 | 直下式背光模组 |
JP2009117042A (ja) * | 2007-11-01 | 2009-05-28 | Sony Corp | 照明装置および表示装置 |
JP5109650B2 (ja) * | 2007-12-27 | 2012-12-26 | 日亜化学工業株式会社 | 照明ユニット |
JP4528911B2 (ja) * | 2008-10-07 | 2010-08-25 | 株式会社オプトデザイン | 光源装置およびこの光源装置を用いた照明装置 |
JP2010157445A (ja) | 2008-12-27 | 2010-07-15 | Harison Toshiba Lighting Corp | Led光源の面発光装置 |
JP5669480B2 (ja) * | 2009-08-19 | 2015-02-12 | エルジー イノテック カンパニー リミテッド | 照明装置 |
CN102576119B (zh) | 2009-10-24 | 2014-03-26 | 3M创新有限公司 | 光源和采用所述光源的显示系统 |
JP5406225B2 (ja) | 2010-12-06 | 2014-02-05 | エルジー イノテック カンパニー リミテッド | バックライトユニット |
JP5989305B2 (ja) | 2011-01-14 | 2016-09-07 | エルジー イノテック カンパニー リミテッド | バックライトユニット及びそれを用いたディスプレイ装置 |
KR101824037B1 (ko) | 2011-07-19 | 2018-01-31 | 엘지이노텍 주식회사 | 디스플레이 장치 |
-
2011
- 2011-10-25 KR KR1020110109464A patent/KR101852389B1/ko active IP Right Grant
-
2012
- 2012-03-07 US US13/413,876 patent/US8764268B2/en active Active
- 2012-03-09 TW TW101108090A patent/TWI540363B/zh active
- 2012-03-09 EP EP12158906.3A patent/EP2587287B1/en not_active Not-in-force
- 2012-03-14 JP JP2012057737A patent/JP5455084B2/ja not_active Expired - Fee Related
- 2012-04-06 CN CN201210099933.1A patent/CN103075675B/zh active Active
-
2013
- 2013-12-26 JP JP2013268517A patent/JP5868934B2/ja not_active Expired - Fee Related
-
2014
- 2014-05-27 US US14/288,172 patent/US9091410B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
CN103075675B (zh) | 2015-07-01 |
JP2014063760A (ja) | 2014-04-10 |
US20140268659A1 (en) | 2014-09-18 |
JP5868934B2 (ja) | 2016-02-24 |
CN103075675A (zh) | 2013-05-01 |
KR20130045037A (ko) | 2013-05-03 |
TWI540363B (zh) | 2016-07-01 |
US9091410B2 (en) | 2015-07-28 |
EP2587287B1 (en) | 2016-05-11 |
TW201317681A (zh) | 2013-05-01 |
KR101852389B1 (ko) | 2018-04-26 |
EP2587287A1 (en) | 2013-05-01 |
US8764268B2 (en) | 2014-07-01 |
JP2013093301A (ja) | 2013-05-16 |
US20130100646A1 (en) | 2013-04-25 |
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