JP2007214082A5 - - Google Patents

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Publication number
JP2007214082A5
JP2007214082A5 JP2006035270A JP2006035270A JP2007214082A5 JP 2007214082 A5 JP2007214082 A5 JP 2007214082A5 JP 2006035270 A JP2006035270 A JP 2006035270A JP 2006035270 A JP2006035270 A JP 2006035270A JP 2007214082 A5 JP2007214082 A5 JP 2007214082A5
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JP
Japan
Prior art keywords
light
emitting device
shape
guide plate
groove
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.)
Granted
Application number
JP2006035270A
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Japanese (ja)
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JP2007214082A (en
JP4694985B2 (en
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Publication date
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Priority to JP2006035270A priority Critical patent/JP4694985B2/en
Priority claimed from JP2006035270A external-priority patent/JP4694985B2/en
Publication of JP2007214082A publication Critical patent/JP2007214082A/en
Publication of JP2007214082A5 publication Critical patent/JP2007214082A5/ja
Application granted granted Critical
Publication of JP4694985B2 publication Critical patent/JP4694985B2/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Claims (4)

光源と、
前記光源からの光を側面より入射し、上面より出射する導光板と、
前記導光板の底面に形成された複数の溝と、
前記複数の溝の表面及び前記底面に形成された反射膜と、を備え、
前記溝は、深さが２μｍ〜１００μｍであり、ピッチが５０μｍ〜５００μｍで周期的に形成されていることを特徴とする面発光装置。 A light source;
A light guide plate that makes light from the light source incident from a side surface and exits from an upper surface;
A plurality of grooves formed on the bottom surface of the light guide plate ;
A reflective film formed on the surface and the bottom surface of the plurality of grooves,
The surface light emitting device, wherein the groove has a depth of 2 μm to 100 μm and is periodically formed with a pitch of 50 μm to 500 μm. 前記溝はＶ字形状を有し、前記底面と前記Ｖ字形状の一方の傾斜面とが成す角度をθ１と、前記底面と前記Ｖ字形状の他方の傾斜面とが成す角度をθ２とすると、２５°≦θ１≦４５°及び７０°≦θ２≦９０°であることを特徴とする請求項１に記載の面発光装置。 The groove has a V shape, and an angle formed by the bottom surface and one inclined surface of the V shape is θ1, and an angle formed by the bottom surface and the other inclined surface of the V shape is θ2. 25. The surface emitting device according to claim 1, wherein 25 ° ≦ θ1 ≦ 45 ° and 70 ° ≦ θ2 ≦ 90 ° . 前記反射膜は、金属膜、又は、白色顔料又は金属を混入した樹脂膜からなることを特徴とする請求項１または２に記載の面発光装置。 The surface light-emitting device according to claim 1, wherein the reflective film is made of a metal film or a resin film mixed with a white pigment or a metal . 請求項１に記載された構成の面発光装置と、前記面発光装置により照明される非自発光型の表示素子を備える表示装置。 A display device comprising the surface light-emitting device having the configuration according to claim 1 and a non-self-luminous display element illuminated by the surface light-emitting device.
JP2006035270A 2006-02-13 2006-02-13 Surface light emitting device and display device Expired - Fee Related JP4694985B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2006035270A JP4694985B2 (en) 2006-02-13 2006-02-13 Surface light emitting device and display device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2006035270A JP4694985B2 (en) 2006-02-13 2006-02-13 Surface light emitting device and display device

Publications (3)

Publication Number Publication Date
JP2007214082A JP2007214082A (en) 2007-08-23
JP2007214082A5 true JP2007214082A5 (en) 2009-03-19
JP4694985B2 JP4694985B2 (en) 2011-06-08

Family

ID=38492307

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2006035270A Expired - Fee Related JP4694985B2 (en) 2006-02-13 2006-02-13 Surface light emitting device and display device

Country Status (1)

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JP (1) JP4694985B2 (en)

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Publication number Priority date Publication date Assignee Title
US8097821B2 (en) * 2007-12-11 2012-01-17 Panasonic Corporation Movable contact unit with light-guiding function and lighted panel switch using the same
JP5078640B2 (en) * 2008-01-30 2012-11-21 セイコーインスツル株式会社 LIGHTING DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME
JP5152572B2 (en) * 2008-03-24 2013-02-27 スタンレー電気株式会社 Vehicle headlamp
JP5199830B2 (en) * 2008-10-31 2013-05-15 セイコーインスツル株式会社 Display device
US8979349B2 (en) 2009-05-29 2015-03-17 Qualcomm Mems Technologies, Inc. Illumination devices and methods of fabrication thereof
EP2293123A1 (en) * 2009-07-24 2011-03-09 LG Innotek Co., Ltd. LCD including LED
KR101211715B1 (en) * 2010-09-30 2012-12-12 엘지이노텍 주식회사 Backlight unit and Fabricating method of the same
KR101446917B1 (en) * 2012-02-21 2014-10-06 엘지이노텍 주식회사 Lamp device and Fabricating method of the same
WO2014013712A1 (en) * 2012-07-19 2014-01-23 日本電気株式会社 Optical device and display device using same
JP2016002407A (en) * 2014-06-19 2016-01-12 株式会社平和 Game machine
KR20160026403A (en) * 2014-09-01 2016-03-09 엘지전자 주식회사 Head light and method for emitting light the same
JP6599169B2 (en) * 2015-08-18 2019-10-30 恵和株式会社 Light guide sheet, backlight unit, liquid crystal display device, and light guide sheet manufacturing method
JP7512574B2 (en) * 2019-07-08 2024-07-09 大日本印刷株式会社 Light control components and devices
JP7512575B2 (en) * 2019-07-18 2024-07-09 大日本印刷株式会社 Optical Path Limiting Device
CN114600181A (en) * 2019-10-22 2022-06-07 镭亚股份有限公司 Multi-view backlight, multi-view display and method with micro-slit multi-beam elements

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4331313B2 (en) * 1999-04-09 2009-09-16 康博 小池 Light guide element and light source device
JP4242090B2 (en) * 2000-11-08 2009-03-18 三菱レイヨン株式会社 Surface light source device
JP4266551B2 (en) * 2000-12-14 2009-05-20 三菱レイヨン株式会社 Surface light source system and light deflection element used therefor
JP3823289B2 (en) * 2001-09-21 2006-09-20 ミネベア株式会社 Surface lighting device
JP4026374B2 (en) * 2002-02-15 2007-12-26 セイコーエプソン株式会社 Liquid crystal device, lighting device and electronic apparatus
JP2003257229A (en) * 2002-02-27 2003-09-12 Alps Electric Co Ltd Backlight, front light, and liquid crystal display device
JP2004212773A (en) * 2003-01-07 2004-07-29 Mitsubishi Electric Corp Liquid crystal display and colloidal solution
JP2004273147A (en) * 2003-03-05 2004-09-30 Alps Electric Co Ltd Light guide body, illuminating device and liquid crystal display
JP4239700B2 (en) * 2003-06-17 2009-03-18 オムロン株式会社 Surface light source device and equipment using the surface light source device
JP4431952B2 (en) * 2003-11-10 2010-03-17 オムロン株式会社 Surface light source device and equipment using the device

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