JP4729028B2 - バックライト付きディスプレイの光源 - Google Patents
バックライト付きディスプレイの光源 Download PDFInfo
- Publication number
- JP4729028B2 JP4729028B2 JP2007281560A JP2007281560A JP4729028B2 JP 4729028 B2 JP4729028 B2 JP 4729028B2 JP 2007281560 A JP2007281560 A JP 2007281560A JP 2007281560 A JP2007281560 A JP 2007281560A JP 4729028 B2 JP4729028 B2 JP 4729028B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- mixing chamber
- light source
- transparent material
- light pipe
- 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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- 238000002156 mixing Methods 0.000 claims description 52
- 239000012780 transparent material Substances 0.000 claims description 15
- 239000002184 metal Substances 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- 229920003023 plastic Polymers 0.000 description 5
- 239000004568 cement Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- FXRXQYZZALWWGA-UHFFFAOYSA-N 1,2,4-trichloro-3-(4-chlorophenyl)benzene Chemical compound C1=CC(Cl)=CC=C1C1=C(Cl)C=CC(Cl)=C1Cl FXRXQYZZALWWGA-UHFFFAOYSA-N 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 238000007788 roughening Methods 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000003486 chemical etching Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 235000020280 flat white Nutrition 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002991 molded plastic Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 230000003685 thermal hair damage Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
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
- G02B6/0033—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
- G02B6/004—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
- G02B6/0043—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles provided on the surface of the light guide
-
- 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
- G02B6/002—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 by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces
- G02B6/0021—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 by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces for housing at least a part of the light source, e.g. by forming holes or recesses
-
- 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
- G02B6/0028—Light guide, e.g. taper
-
- 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
-
- 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
- G02B6/0066—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 characterised by the light source being coupled to the light guide
- G02B6/0068—Arrangements of plural sources, e.g. multi-colour light sources
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Planar Illumination Modules (AREA)
- Liquid Crystal (AREA)
Description
31 バックライト付き要素
32 光パイプ
33 LED
34、45 散乱中心
35、46 リフレクタ
37、38 表面
43 角度
44、49 光線
39 アダプタ
41 混合チャンバ
42 リフレクタ
47 アパチャ
Claims (7)
- 反射底面に実質的に平行である透明な上面を有する2次元の透明材料シートを含み、散乱光の一部が前記上面を通って前記透明材料シートから逃れる方向に、前記透明材料シートを進む光を散乱させる光パイプ散乱中心を含む光パイプと、
複数のLEDおよび、前記透明材料シートの一部分を含む混合チャンバを含む光発生セクションと
を含み、前記LEDが前記混合チャンバ内に光を放出するように位置決めされ、前記混合チャンバが反射壁を有するくさび形のキャビティを含むアダプタを含み、前記キャビティが前記光パイプ内に光を方向付けるように位置決めされた開口と、前記反射壁からの反射によって得られない方向に、前記キャビティを進む光を再度方向付けるための混合チャンバ散乱中心とを有し、ここで、前記透明材料シートの前記上面および底面から前記透明材料シート内に光が反射される角度で、前記光パイプ内に方向付けられた前記光の一部分が、前記光パイプに入り、前記混合チャンバ散乱中心を、前記透明材料シートの前記一部分に設けてなる、光源。 - 前記混合チャンバが、1.35〜1.75の屈折率を有する透明材料を含む請求項1に記載の光源。
- 前記混合チャンバが中空キャビティを含む請求項1に記載の光源。
- 前記開口が前記透明材料シートの前記底面に平行である平面を含む請求項1に記載の光源。
- 前記混合チャンバの1つの壁が、前記LEDが載置された回路キャリアを含む請求項1に記載の光源。
- 前記回路キャリアが前記LEDからの熱を伝導するメタルコアを含む請求項5に記載の光源。
- 前記LEDが前記混合チャンバに埋め込まれた請求項1に記載の光源。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/590,607 US7287892B1 (en) | 2006-10-30 | 2006-10-30 | Light source for back-lit displays |
US11/590,607 | 2006-10-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008135388A JP2008135388A (ja) | 2008-06-12 |
JP4729028B2 true JP4729028B2 (ja) | 2011-07-20 |
Family
ID=38623257
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007281560A Active JP4729028B2 (ja) | 2006-10-30 | 2007-10-30 | バックライト付きディスプレイの光源 |
Country Status (2)
Country | Link |
---|---|
US (1) | US7287892B1 (ja) |
JP (1) | JP4729028B2 (ja) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080175022A1 (en) * | 2007-01-22 | 2008-07-24 | Takuro Sugiura | Illuminating unit |
JP5396215B2 (ja) * | 2009-09-24 | 2014-01-22 | スタンレー電気株式会社 | 半導体発光装置の製造方法、半導体発光装置および液晶表示装置 |
CH702730A1 (de) * | 2010-02-25 | 2011-08-31 | Weidmann Plastics Tech Ag | Beleuchtbares Bauteil. |
US8651725B2 (en) * | 2010-09-30 | 2014-02-18 | Global Lighting Technology Inc. | Backlight module |
KR20130019974A (ko) * | 2011-08-18 | 2013-02-27 | 삼성디스플레이 주식회사 | 백라이트 유닛 및 이를 구비하는 표시 장치 |
US10030846B2 (en) * | 2012-02-14 | 2018-07-24 | Svv Technology Innovations, Inc. | Face-lit waveguide illumination systems |
WO2013127250A1 (zh) * | 2012-02-28 | 2013-09-06 | 天地融科技股份有限公司 | 一种电子设备 |
FR2989149B1 (fr) * | 2012-04-04 | 2014-05-02 | G I A | Systeme d'eclairage, plaque d'immatriculation eclairante et procede de fabrication de la plaque d'immatriculation |
US9285532B2 (en) * | 2012-07-13 | 2016-03-15 | Blackberry Limited | Backlight module having a prisim reflector |
GB2516734B (en) * | 2012-07-20 | 2015-08-26 | Luminescent Alarms Ltd | Illuminating apparatus for a motor vehicle number plate |
KR20140018742A (ko) * | 2012-08-03 | 2014-02-13 | 삼성디스플레이 주식회사 | 백라이트 유닛 및 이를 갖는 표시 장치 |
US9052431B2 (en) * | 2012-09-04 | 2015-06-09 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Backlight module and liquid display devices with the same |
CN102798059B (zh) * | 2012-09-11 | 2014-08-13 | 深圳市华星光电技术有限公司 | 侧入式背光模组 |
CN103807664A (zh) * | 2012-11-07 | 2014-05-21 | 纬创资通股份有限公司 | 光源模块和制作光源模块的方法 |
TW201437558A (zh) * | 2013-03-21 | 2014-10-01 | Hon Hai Prec Ind Co Ltd | 光源模組 |
EP3143326A1 (en) * | 2014-05-16 | 2017-03-22 | Corning Incorporated | Edge lighted backlight unit for liquid crystal display device |
US11035993B2 (en) | 2015-08-14 | 2021-06-15 | S.V.V. Technology Innovations, Inc | Illumination systems employing thin and flexible waveguides with light coupling structures |
KR102463846B1 (ko) * | 2015-12-30 | 2022-11-04 | 엘지디스플레이 주식회사 | 백라이트 유닛 및 그를 포함하는 표시장치 |
CN108473086B (zh) | 2016-01-14 | 2021-06-04 | 魏德塑料有限责任公司 | 包括面状的装饰元件和壳体的构件 |
CN109073821B (zh) * | 2016-02-26 | 2021-11-02 | 奇跃公司 | 具有用于多个光发射器的多个光管的显示系统 |
TWM547700U (zh) * | 2017-02-07 | 2017-08-21 | 哈帝斯科技股份有限公司 | 光源模組及發光滑鼠墊 |
Family Cites Families (11)
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GB1130572A (en) * | 1964-10-19 | 1968-10-16 | Calorific Appliances Ltd | Illuminated display apparatus |
US4918578A (en) * | 1987-09-15 | 1990-04-17 | Thompson Kenneth W | Light piping displays |
DE3919925A1 (de) * | 1989-06-19 | 1990-12-20 | Inotec Gmbh Ges Fuer Innovativ | Beleuchtete, anzeigeeinheit, insbesondere hausnummer, verkehrsschild, werbetraeger |
JPH05142535A (ja) * | 1991-08-29 | 1993-06-11 | Meitaku Syst:Kk | エツジライトパネルの入射光供給装置 |
US5276591A (en) * | 1992-07-23 | 1994-01-04 | William Hegarty | Sign with indirect illumination from light emitting diodes |
JPH08201805A (ja) * | 1995-01-31 | 1996-08-09 | Minolta Co Ltd | 液晶表示面の照明構造 |
JPH09160032A (ja) * | 1995-12-12 | 1997-06-20 | Omron Corp | 照明装置、並びに当該照明装置を用いた液晶表示装置、携帯端末機器、車載用機器及び光学的認識装置 |
CN1126001C (zh) * | 1997-02-13 | 2003-10-29 | 联合讯号公司 | 具有光循环以增强亮度的照明系统 |
JP4000704B2 (ja) * | 1999-02-26 | 2007-10-31 | オムロン株式会社 | 導光板 |
US7128459B2 (en) * | 2001-11-12 | 2006-10-31 | Nidec Copal Corporation | Light-guide plate and method for manufacturing the same |
JP4191052B2 (ja) * | 2002-04-16 | 2008-12-03 | サムスン エレクトロニクス カンパニー リミテッド | 両方向光出射バックライト組立体及びこれを用いる液晶表示装置 |
-
2006
- 2006-10-30 US US11/590,607 patent/US7287892B1/en active Active
-
2007
- 2007-10-30 JP JP2007281560A patent/JP4729028B2/ja active Active
Also Published As
Publication number | Publication date |
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US7287892B1 (en) | 2007-10-30 |
JP2008135388A (ja) | 2008-06-12 |
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