ATE497188T1 - Leuchtdiode mit einer strahlformungsvorrichtung zur hintergrundbeleuchtung einer instrumententafel - Google Patents

Leuchtdiode mit einer strahlformungsvorrichtung zur hintergrundbeleuchtung einer instrumententafel

Info

Publication number
ATE497188T1
ATE497188T1 AT07121961T AT07121961T ATE497188T1 AT E497188 T1 ATE497188 T1 AT E497188T1 AT 07121961 T AT07121961 T AT 07121961T AT 07121961 T AT07121961 T AT 07121961T AT E497188 T1 ATE497188 T1 AT E497188T1
Authority
AT
Austria
Prior art keywords
optical system
source
substrate
plane
backlighting
Prior art date
Application number
AT07121961T
Other languages
English (en)
Inventor
Stefano Bernard
Denis Bollea
Gianfranco Innocenti
Original Assignee
Fiat Ricerche
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 Fiat Ricerche filed Critical Fiat Ricerche
Application granted granted Critical
Publication of ATE497188T1 publication Critical patent/ATE497188T1/de

Links

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
    • G02B6/0066—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]
    • 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
    • B60K37/00—Dashboards
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
    • B60Q3/10—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors for dashboards
    • B60Q3/14—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors for dashboards lighting through the surface to be illuminated
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
    • G01D11/28—Structurally-combined illuminating devices
    • 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
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
    • G02B27/0938—Using specific optical elements
    • G02B27/095—Refractive optical elements
    • G02B27/0955—Lenses
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/04—Prisms
    • G02B5/045—Prism arrays
    • 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
    • G02B6/0038—Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width 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
    • G02B6/0033—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
    • G02B6/0053—Prismatic sheet or layer; Brightness enhancement element, sheet or layer

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Planar Illumination Modules (AREA)
  • Led Device Packages (AREA)
  • Instrument Panels (AREA)
  • Liquid Crystal (AREA)
  • Details Of Measuring Devices (AREA)
AT07121961T 2007-07-10 2007-11-30 Leuchtdiode mit einer strahlformungsvorrichtung zur hintergrundbeleuchtung einer instrumententafel ATE497188T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP07425427A EP2015127A1 (de) 2007-07-10 2007-07-10 Leuchtdiode mit Strahlformungsvorrichtung für die Hintergrundbeleuchtung einer Anzeigevorrichtung oder einer Instrumententafel

Publications (1)

Publication Number Publication Date
ATE497188T1 true ATE497188T1 (de) 2011-02-15

Family

ID=38626413

Family Applications (1)

Application Number Title Priority Date Filing Date
AT07121961T ATE497188T1 (de) 2007-07-10 2007-11-30 Leuchtdiode mit einer strahlformungsvorrichtung zur hintergrundbeleuchtung einer instrumententafel

Country Status (3)

Country Link
EP (2) EP2015127A1 (de)
AT (1) ATE497188T1 (de)
DE (1) DE602007012227D1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010054449B4 (de) * 2010-12-14 2018-10-11 Trw Automotive Electronics & Components Gmbh Optische Projektionsvorrichtung
JP5642631B2 (ja) 2011-07-06 2014-12-17 カルソニックカンセイ株式会社 計器照明装置
JP5917180B2 (ja) * 2012-02-09 2016-05-11 ミネベア株式会社 面状照明装置
AT514573B1 (de) 2013-08-27 2015-02-15 Tech Universität Wien Lichtlenkvorrichtung und Beleuchtungseinheit mit einer solchen Lichtlenkvorrichtung
DE102014103849B4 (de) * 2014-03-20 2020-08-06 Bcs Automotive Interface Solutions Gmbh Linsenplatte
TW201727275A (zh) * 2015-11-05 2017-08-01 康寧公司 具有菲涅耳光學系統的發光單元以及使用該發光單元的發光裝置及顯示系統
US11623562B2 (en) 2020-01-15 2023-04-11 Aptiv Technologies Limited Light control apparatus and method

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5148317A (en) * 1991-06-24 1992-09-15 The United States Of America As Represented By The Secretary Of The Air Force Diffractive optical element for collimating and redistributing Gaussian input beam
US5404869A (en) 1992-04-16 1995-04-11 Tir Technologies, Inc. Faceted totally internally reflecting lens with individually curved faces on facets
US5703612A (en) * 1995-01-20 1997-12-30 Nu-Tech & Engineering, Inc. Illuminated pointer for an analog gauge and related method of use and manufacture
PT806039E (pt) * 1995-08-30 2002-10-31 Samsung Electronics Co Ltd Dispositivo de lente e aparelho de captacao optica que usa esse dispositivo
ES2157846B1 (es) * 1999-12-02 2002-03-01 Univ Madrid Politecnica Dispositivo con lente discontinua de reflexion total interna y dioptrico asferico para concentracion o colimacion de energia radiante.
US20050286145A1 (en) * 2004-06-25 2005-12-29 Swarco Futurit Verkehrssignalsysteme Ges.M.B.H. Invention concerning a condensor lens
KR101080355B1 (ko) * 2004-10-18 2011-11-04 삼성전자주식회사 발광다이오드와 그 렌즈
JP2007079528A (ja) * 2005-08-16 2007-03-29 Toshiba Corp 照明装置及び照明装置付撮像装置
DE102005061798A1 (de) * 2005-09-30 2007-04-05 Osram Opto Semiconductors Gmbh Beleuchtungsanordnung

Also Published As

Publication number Publication date
EP2015126B1 (de) 2011-01-26
EP2015127A1 (de) 2009-01-14
EP2015126A1 (de) 2009-01-14
DE602007012227D1 (de) 2011-03-10

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Legal Events

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