TWI456304B - 面照明單元、面照明光源裝置及面照明裝置 - Google Patents

面照明單元、面照明光源裝置及面照明裝置 Download PDF

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Publication number
TWI456304B
TWI456304B TW097131715A TW97131715A TWI456304B TW I456304 B TWI456304 B TW I456304B TW 097131715 A TW097131715 A TW 097131715A TW 97131715 A TW97131715 A TW 97131715A TW I456304 B TWI456304 B TW I456304B
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TW
Taiwan
Prior art keywords
hole
surface illumination
illumination unit
light source
optical
Prior art date
Application number
TW097131715A
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English (en)
Other versions
TW200923516A (en
Inventor
Eiichi Sato
Kenji Fukuoka
Original Assignee
Opto Design Inc
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 Opto Design Inc filed Critical Opto Design Inc
Publication of TW200923516A publication Critical patent/TW200923516A/zh
Application granted granted Critical
Publication of TWI456304B publication Critical patent/TWI456304B/zh

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Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/04—Signs, boards or panels, illuminated from behind the insignia
    • G09F13/14—Arrangements of reflectors therein
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
    • 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
    • G02F1/133611—Direct backlight including means for improving the brightness uniformity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K2360/00—Indexing scheme associated with groups B60K35/00 or B60K37/00 relating to details of instruments or dashboards
    • B60K2360/20—Optical features of instruments
    • B60K2360/33—Illumination features
    • 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
    • G02F1/133603—Direct backlight with LEDs

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Mathematical Physics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Transportation (AREA)
  • Combustion & Propulsion (AREA)
  • Optics & Photonics (AREA)
  • Theoretical Computer Science (AREA)
  • Planar Illumination Modules (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Liquid Crystal (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)

Claims (5)

  1. 一種面照明單元，包含有：箱型殼體，係由中央形成有用以配置指向性強之點光源之孔的底面部、及由前述底面部直立設置之側壁部所構成；及光學反射板，係與前述底面部間隔預定距離配置，且具有開口部者，且前述面照明單元係使前述點光源配置於前述孔而使用，又，前述面照明單元之特徵在於：在前述底面部及前述側壁部之內面、以及與前述底面部對向之前述光學反射板之內面係由反射面所形成，且前述光學反射板之中心與前述點光源對向，前述開口部之形狀係於前述光學反射板之中心附近由未貫穿孔形成，於前述未貫穿孔之外側由複數個不連續之圓弧形貫穿孔形成，且前述圓弧形貫穿孔之外側由複數個圓形貫穿孔形成，前述未貫穿孔、圓弧形貫穿孔及圓形貫穿孔係隨著向外遠離前述光學反射板之中心，為前述光學反射板上之前述開口部的面積相對於預定區域之面積之比率的開口率變大。
  2. 如申請專利範圍第1項之面照明單元，其中令前述開口率為A，令b、c為常數，令x為與前述光學反射板之中心的距離時，具有A=bx2 +c，且b大於零之關係。
  3. 如申請專利範圍第1項之面照明單元，其中於前述側壁部設有形成滿足前述開口率之側壁孔。
  4. 一種面照明光源裝置，其特徵在於包含有：如申請專利範圍第1至3項中任一項之面照明單元；及配置於前述孔之指向性強的點光源。
  5. 一種面照明裝置，係複數個如申請專利範圍第4項之面照明光源裝置配置成矩陣狀而形成者。
TW097131715A 2007-10-26 2008-08-20 面照明單元、面照明光源裝置及面照明裝置 TWI456304B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2007278998A JP4538675B2 (ja) 2007-10-26 2007-10-26 面照明ユニット、面照明光源装置、および面照明装置

Publications (2)

Publication Number Publication Date
TW200923516A TW200923516A (en) 2009-06-01
TWI456304B true TWI456304B (zh) 2014-10-11

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Family Applications (1)

Application Number Title Priority Date Filing Date
TW097131715A TWI456304B (zh) 2007-10-26 2008-08-20 面照明單元、面照明光源裝置及面照明裝置

Country Status (5)

Country Link
US (1) US8408752B2 (zh)
EP (1) EP2204603A4 (zh)
JP (1) JP4538675B2 (zh)
TW (1) TWI456304B (zh)
WO (1) WO2009054083A1 (zh)

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WO2011022170A1 (en) * 2009-08-18 2011-02-24 Dolby Laboratories Licensing Corporation Reflectors with spatially varying reflectance/absorption gradients for color and luminance compensation
WO2011027804A1 (ja) * 2009-09-02 2011-03-10 株式会社オプトデザイン 光源装置、照明装置及び表示装置
JP5515001B2 (ja) * 2009-09-02 2014-06-11 株式会社オプトデザイン 面照明光源装置及びこの面照明光源装置を用いた面照明装置
JP5320599B2 (ja) * 2009-09-18 2013-10-23 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面照明装置
EP2503215A4 (en) 2009-11-16 2013-08-07 Opto Design Inc SURFACE LIGHT SOURCE UNIT, SURFACE ILLUMINATION DEVICE, AND LIQUID CRYSTAL DISPLAY DEVICE
JP5515003B2 (ja) * 2010-04-09 2014-06-11 株式会社オプトデザイン 照明装置付き拡大鏡
AU2011243504B2 (en) * 2010-04-23 2015-09-17 Opto Design, Inc. Surface illumination fixture and surface illumination device
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CN104806906A (zh) * 2015-04-01 2015-07-29 欧普照明股份有限公司 一种灯具及其匀光组件
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CN107102473A (zh) * 2017-05-22 2017-08-29 青岛海信电器股份有限公司 一种背光模组及液晶显示装置
CN107703678A (zh) * 2017-09-11 2018-02-16 青岛海信电器股份有限公司 一种直下式背光模组以及显示装置
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Also Published As

Publication number Publication date
EP2204603A4 (en) 2011-03-09
WO2009054083A1 (ja) 2009-04-30
US20100232165A1 (en) 2010-09-16
JP4538675B2 (ja) 2010-09-08
JP2009110696A (ja) 2009-05-21
TW200923516A (en) 2009-06-01
EP2204603A1 (en) 2010-07-07
US8408752B2 (en) 2013-04-02

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