JP4420813B2 - 面光源装置及び表示装置 - Google Patents

面光源装置及び表示装置 Download PDF

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Publication number
JP4420813B2
JP4420813B2 JP2004380783A JP2004380783A JP4420813B2 JP 4420813 B2 JP4420813 B2 JP 4420813B2 JP 2004380783 A JP2004380783 A JP 2004380783A JP 2004380783 A JP2004380783 A JP 2004380783A JP 4420813 B2 JP4420813 B2 JP 4420813B2
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JP
Japan
Prior art keywords
light
incident
guide plate
light guide
incident surface
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
Application number
JP2004380783A
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English (en)
Japanese (ja)
Other versions
JP2006185852A (ja
JP2006185852A5 (enExample
Inventor
進 高田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Enplas Corp
Original Assignee
Enplas Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Enplas Corp filed Critical Enplas Corp
Priority to JP2004380783A priority Critical patent/JP4420813B2/ja
Priority to US11/319,157 priority patent/US7357552B2/en
Publication of JP2006185852A publication Critical patent/JP2006185852A/ja
Publication of JP2006185852A5 publication Critical patent/JP2006185852A5/ja
Application granted granted Critical
Publication of JP4420813B2 publication Critical patent/JP4420813B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • G02B6/0015—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
    • G02B6/0016—Grooves, prisms, gratings, scattering particles or rough surfaces

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Planar Illumination Modules (AREA)
  • Liquid Crystal (AREA)
JP2004380783A 2004-12-28 2004-12-28 面光源装置及び表示装置 Expired - Fee Related JP4420813B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2004380783A JP4420813B2 (ja) 2004-12-28 2004-12-28 面光源装置及び表示装置
US11/319,157 US7357552B2 (en) 2004-12-28 2005-12-28 Surface light source device and display

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004380783A JP4420813B2 (ja) 2004-12-28 2004-12-28 面光源装置及び表示装置

Publications (3)

Publication Number Publication Date
JP2006185852A JP2006185852A (ja) 2006-07-13
JP2006185852A5 JP2006185852A5 (enExample) 2007-12-13
JP4420813B2 true JP4420813B2 (ja) 2010-02-24

Family

ID=36738795

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004380783A Expired - Fee Related JP4420813B2 (ja) 2004-12-28 2004-12-28 面光源装置及び表示装置

Country Status (2)

Country Link
US (1) US7357552B2 (enExample)
JP (1) JP4420813B2 (enExample)

Families Citing this family (36)

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Publication number Priority date Publication date Assignee Title
TWI289708B (en) 2002-12-25 2007-11-11 Qualcomm Mems Technologies Inc Optical interference type color display
US7342705B2 (en) 2004-02-03 2008-03-11 Idc, Llc Spatial light modulator with integrated optical compensation structure
US7750886B2 (en) 2004-09-27 2010-07-06 Qualcomm Mems Technologies, Inc. Methods and devices for lighting displays
US7766498B2 (en) 2006-06-21 2010-08-03 Qualcomm Mems Technologies, Inc. Linear solid state illuminator
JP4325650B2 (ja) 2006-08-17 2009-09-02 エプソンイメージングデバイス株式会社 照明装置、液晶装置及び電子機器
US7845841B2 (en) * 2006-08-28 2010-12-07 Qualcomm Mems Technologies, Inc. Angle sweeping holographic illuminator
US7855827B2 (en) 2006-10-06 2010-12-21 Qualcomm Mems Technologies, Inc. Internal optical isolation structure for integrated front or back lighting
EP2069838A2 (en) 2006-10-06 2009-06-17 Qualcomm Mems Technologies, Inc. Illumination device with built-in light coupler
CN103558686B (zh) 2006-10-06 2017-03-01 追踪有限公司 集成于显示器的照明设备中的光学损失结构
US8107155B2 (en) 2006-10-06 2012-01-31 Qualcomm Mems Technologies, Inc. System and method for reducing visual artifacts in displays
US7864395B2 (en) * 2006-10-27 2011-01-04 Qualcomm Mems Technologies, Inc. Light guide including optical scattering elements and a method of manufacture
US7777954B2 (en) 2007-01-30 2010-08-17 Qualcomm Mems Technologies, Inc. Systems and methods of providing a light guiding layer
US20080188277A1 (en) 2007-02-01 2008-08-07 Ritter Janice E Electronic Game Device And Method Of Using The Same
CN101295054A (zh) * 2007-04-27 2008-10-29 香港应用科技研究院有限公司 檐顶光导引装置及使用其之背光装置
JP4773410B2 (ja) * 2007-08-28 2011-09-14 シャープ株式会社 導光板、面光源装置、および液晶表示装置
KR100946199B1 (ko) 2007-11-13 2010-03-09 레디언트 옵토-일렉트로닉스 코포레이션 광 가이드 플레이트
US7949213B2 (en) 2007-12-07 2011-05-24 Qualcomm Mems Technologies, Inc. Light illumination of displays with front light guide and coupling elements
WO2009102731A2 (en) 2008-02-12 2009-08-20 Qualcomm Mems Technologies, Inc. Devices and methods for enhancing brightness of displays using angle conversion layers
US8654061B2 (en) 2008-02-12 2014-02-18 Qualcomm Mems Technologies, Inc. Integrated front light solution
WO2009129264A1 (en) 2008-04-15 2009-10-22 Qualcomm Mems Technologies, Inc. Light with bi-directional propagation
US20100157406A1 (en) * 2008-12-19 2010-06-24 Qualcomm Mems Technologies, Inc. System and method for matching light source emission to display element reflectivity
WO2010084644A1 (ja) * 2009-01-22 2010-07-29 シャープ株式会社 バックライトユニットおよび液晶表示装置
WO2010141388A1 (en) * 2009-06-01 2010-12-09 Qualcomm Mems Technologies, Inc. Front light based optical touch screen
BR112012000040A2 (pt) 2009-07-03 2016-03-15 Sharp Kk dispositivo de exibição
KR20120048669A (ko) * 2009-08-03 2012-05-15 퀄컴 엠이엠에스 테크놀로지스, 인크. 도광체 조명용의 미세구조체
JP2011228028A (ja) * 2010-04-16 2011-11-10 Hitachi Consumer Electronics Co Ltd バックライトユニット及びそれを用いた映像表示装置
US8902484B2 (en) 2010-12-15 2014-12-02 Qualcomm Mems Technologies, Inc. Holographic brightness enhancement film
KR101816275B1 (ko) * 2010-12-23 2018-01-09 삼성디스플레이 주식회사 백라이트 어셈블리를 갖는 표시 장치
US10007047B2 (en) 2010-12-23 2018-06-26 Samsung Display Co., Ltd. Display apparatus having thermally protected backlight assembly
CN102293519B (zh) * 2011-06-08 2013-10-30 李英杰 一种拷贝台
JP5859772B2 (ja) * 2011-08-26 2016-02-16 日立マクセル株式会社 照明ユニット及びこれを用いた表示装置
JP5751988B2 (ja) * 2011-08-26 2015-07-22 日立マクセル株式会社 照明ユニット及びこれを用いた表示装置
CN103375705B (zh) 2012-04-23 2015-08-05 中强光电股份有限公司 光源模组
KR102133762B1 (ko) 2013-01-10 2020-07-15 삼성디스플레이 주식회사 백라이트 유닛 및 이를 포함하는 표시장치
TW201439616A (zh) * 2013-04-12 2014-10-16 Hon Hai Prec Ind Co Ltd 導光板及背光模組
USD875082S1 (en) * 2014-08-20 2020-02-11 Samsung Electronics Co., Ltd. Electronic device panel

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11133425A (ja) 1997-10-30 1999-05-21 Optrex Corp 液晶パネル用照明装置
JP3891387B2 (ja) * 2000-02-18 2007-03-14 株式会社エンプラス 面光源装置及び表示装置
JP2003151331A (ja) * 2001-11-15 2003-05-23 Minebea Co Ltd 面状照明装置
JP2003240962A (ja) * 2002-02-15 2003-08-27 Sanyo Electric Co Ltd 導光板およびこれを用いた面光源装置
JP2003331628A (ja) 2002-03-05 2003-11-21 Seiko Epson Corp 照明装置、液晶装置及び電子機器
JP2003262734A (ja) * 2002-03-08 2003-09-19 Citizen Electronics Co Ltd 導光板
JP2004253318A (ja) * 2003-02-21 2004-09-09 Minebea Co Ltd 面状照明装置
US7004628B2 (en) * 2003-09-11 2006-02-28 Duro Designer Company, Inc. Bag topper device

Also Published As

Publication number Publication date
US20060176712A1 (en) 2006-08-10
JP2006185852A (ja) 2006-07-13
US7357552B2 (en) 2008-04-15

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