CN102954369B - 照明单元和使用该照明单元的显示装置 - Google Patents
照明单元和使用该照明单元的显示装置 Download PDFInfo
- Publication number
- CN102954369B CN102954369B CN201210277321.7A CN201210277321A CN102954369B CN 102954369 B CN102954369 B CN 102954369B CN 201210277321 A CN201210277321 A CN 201210277321A CN 102954369 B CN102954369 B CN 102954369B
- Authority
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- China
- Prior art keywords
- light
- jut
- guide plate
- emitting component
- pattern
- 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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Links
- 230000003287 optical effect Effects 0.000 claims abstract description 21
- 238000007639 printing Methods 0.000 claims description 6
- 238000007323 disproportionation reaction Methods 0.000 abstract description 20
- 230000005540 biological transmission Effects 0.000 description 14
- 230000015572 biosynthetic process Effects 0.000 description 6
- 230000007423 decrease Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000004973 liquid crystal related substance Substances 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 210000002858 crystal cell Anatomy 0.000 description 2
- 230000003467 diminishing effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000011295 pitch Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 208000002193 Pain Diseases 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 238000010612 desalination reaction Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000007641 inkjet printing Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 230000002040 relaxant effect Effects 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
- G02B6/0013—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
- G02B6/0011—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
- G02B6/0018—Redirecting means 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
- G02B6/0033—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
- G02B6/0036—2-D arrangement of prisms, protrusions, indentations or roughened surfaces
-
- 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
- G02B6/0066—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
-
- 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
- G02B6/0073—Light emitting diode [LED]
-
- 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
- G02B6/0075—Arrangements of multiple light guides
- G02B6/0078—Side-by-side arrangements, e.g. for large area displays
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Planar Illumination Modules (AREA)
- Liquid Crystal (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
Description
Claims (13)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011184273A JP5751988B2 (ja) | 2011-08-26 | 2011-08-26 | 照明ユニット及びこれを用いた表示装置 |
JP2011-184273 | 2011-08-26 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102954369A CN102954369A (zh) | 2013-03-06 |
CN102954369B true CN102954369B (zh) | 2015-10-28 |
Family
ID=47743482
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201210277321.7A Active CN102954369B (zh) | 2011-08-26 | 2012-08-06 | 照明单元和使用该照明单元的显示装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US8807819B2 (zh) |
JP (1) | JP5751988B2 (zh) |
CN (1) | CN102954369B (zh) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102428270B1 (ko) * | 2017-10-23 | 2022-08-03 | 삼성전자주식회사 | 디스플레이 장치 |
KR102400975B1 (ko) * | 2017-10-23 | 2022-05-23 | 삼성전자주식회사 | 디스플레이 장치 |
US10511135B2 (en) | 2017-12-19 | 2019-12-17 | Raytheon Company | Laser system with mechanically-robust monolithic fused planar waveguide (PWG) structure |
CN114447196A (zh) * | 2020-10-30 | 2022-05-06 | 隆达电子股份有限公司 | 发光装置及其背光模块 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1523426A (zh) * | 2003-02-20 | 2004-08-25 | 鸿富锦精密工业(深圳)有限公司 | 背光模块 |
JP2006185852A (ja) * | 2004-12-28 | 2006-07-13 | Enplas Corp | 面光源装置及び表示装置 |
CN1853068A (zh) * | 2003-09-19 | 2006-10-25 | 索尼株式会社 | 背光装置和液晶显示装置 |
JP4140569B2 (ja) * | 2004-07-21 | 2008-08-27 | ソニー株式会社 | バックライト装置 |
CN201363580Y (zh) * | 2009-02-25 | 2009-12-16 | 正飞光机科技股份有限公司 | 导光模组 |
CN101939695A (zh) * | 2008-11-14 | 2011-01-05 | Lg伊诺特有限公司 | 液晶显示设备和制造导光板的方法 |
CN102016391A (zh) * | 2008-04-28 | 2011-04-13 | 夏普株式会社 | 照明装置、显示装置以及电视接收装置 |
CN201866617U (zh) * | 2010-09-28 | 2011-06-15 | 彩虹集团公司 | 一种单侧入光式led背光源装置 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003242817A (ja) | 2002-02-13 | 2003-08-29 | Matsushita Electric Ind Co Ltd | バックライト装置 |
TW587708U (en) * | 2002-12-17 | 2004-05-11 | Hon Hai Prec Ind Co Ltd | Large size light guide plate and surface lighting system using the same |
US7468710B2 (en) * | 2003-06-09 | 2008-12-23 | Rohm Co., Ltd. | Light emitting display device |
KR100989338B1 (ko) * | 2003-07-01 | 2010-10-25 | 삼성전자주식회사 | 백라이트 어셈블리 및 이를 갖는 액정표시장치 |
JP2005117023A (ja) | 2003-09-19 | 2005-04-28 | Sony Corp | バックライト装置及び液晶表示装置 |
JP5066520B2 (ja) * | 2006-07-24 | 2012-11-07 | パナソニック株式会社 | 面状照明装置及びそれを用いた液晶表示装置 |
WO2010113363A1 (ja) * | 2009-04-02 | 2010-10-07 | シャープ株式会社 | 照明装置、表示装置、及びテレビ受信装置 |
US8408738B2 (en) * | 2009-04-21 | 2013-04-02 | Lg Electronics Inc. | Light emitting device |
WO2011025174A2 (en) * | 2009-08-27 | 2011-03-03 | Lg Electronics Inc. | Backlight unit and display device |
WO2011025173A2 (en) * | 2009-08-27 | 2011-03-03 | Lg Electronics Inc. | Backlight unit and display device |
KR20110114268A (ko) * | 2010-04-13 | 2011-10-19 | 엘지전자 주식회사 | 백라이트 유닛 및 이를 포함하는 디스플레이 장치 |
WO2012009506A2 (en) * | 2010-07-15 | 2012-01-19 | American Panel Corporation | Shaped reflectors for enhanced optical diffusion in backlight assemblies |
JP2012033420A (ja) | 2010-08-02 | 2012-02-16 | Hitachi Consumer Electronics Co Ltd | 照明装置及びこれを用いた表示装置 |
-
2011
- 2011-08-26 JP JP2011184273A patent/JP5751988B2/ja active Active
-
2012
- 2012-08-06 US US13/567,762 patent/US8807819B2/en active Active
- 2012-08-06 CN CN201210277321.7A patent/CN102954369B/zh active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1523426A (zh) * | 2003-02-20 | 2004-08-25 | 鸿富锦精密工业(深圳)有限公司 | 背光模块 |
CN1853068A (zh) * | 2003-09-19 | 2006-10-25 | 索尼株式会社 | 背光装置和液晶显示装置 |
JP4140569B2 (ja) * | 2004-07-21 | 2008-08-27 | ソニー株式会社 | バックライト装置 |
JP2006185852A (ja) * | 2004-12-28 | 2006-07-13 | Enplas Corp | 面光源装置及び表示装置 |
CN102016391A (zh) * | 2008-04-28 | 2011-04-13 | 夏普株式会社 | 照明装置、显示装置以及电视接收装置 |
CN101939695A (zh) * | 2008-11-14 | 2011-01-05 | Lg伊诺特有限公司 | 液晶显示设备和制造导光板的方法 |
CN201363580Y (zh) * | 2009-02-25 | 2009-12-16 | 正飞光机科技股份有限公司 | 导光模组 |
CN201866617U (zh) * | 2010-09-28 | 2011-06-15 | 彩虹集团公司 | 一种单侧入光式led背光源装置 |
Also Published As
Publication number | Publication date |
---|---|
US8807819B2 (en) | 2014-08-19 |
JP2013045732A (ja) | 2013-03-04 |
JP5751988B2 (ja) | 2015-07-22 |
CN102954369A (zh) | 2013-03-06 |
US20130050990A1 (en) | 2013-02-28 |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Owner name: HITACHI MAXELL LTD. Free format text: FORMER OWNER: HITACHI LTD. Effective date: 20150302 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20150302 Address after: Osaka Japan Applicant after: Hitachi Maxell, Ltd. Address before: Tokyo, Japan Applicant before: Hitachi Consumer Electronics Co.,Ltd. |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20180628 Address after: Kyoto Japan Patentee after: MAXELL, Ltd. Address before: Osaka Japan Patentee before: Hitachi Maxell, Ltd. |
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CP01 | Change in the name or title of a patent holder | ||
CP01 | Change in the name or title of a patent holder |
Address after: Kyoto Japan Patentee after: MAXELL, Ltd. Address before: Kyoto Japan Patentee before: MAXELL HOLDINGS, Ltd. |
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TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20220602 Address after: Kyoto Japan Patentee after: MAXELL HOLDINGS, Ltd. Address before: Kyoto Japan Patentee before: MAXELL, Ltd. |