WO2012130759A1 - Anordnung eines lichtemittierenden halbleiterbauelementes und einer lichtleiterschicht - Google Patents
Anordnung eines lichtemittierenden halbleiterbauelementes und einer lichtleiterschicht Download PDFInfo
- Publication number
- WO2012130759A1 WO2012130759A1 PCT/EP2012/055214 EP2012055214W WO2012130759A1 WO 2012130759 A1 WO2012130759 A1 WO 2012130759A1 EP 2012055214 W EP2012055214 W EP 2012055214W WO 2012130759 A1 WO2012130759 A1 WO 2012130759A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- layer
- light
- light guide
- arrangement
- guide layer
- Prior art date
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
- G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
- G02B6/0093—Means for protecting the light guide
-
- 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
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
-
- 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
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
- B60Q1/2661—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic mounted on parts having other functions
- B60Q1/2665—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic mounted on parts having other functions on rear-view mirrors
-
- 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
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
- B60Q1/2661—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic mounted on parts having other functions
- B60Q1/268—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic mounted on parts having other functions on windscreens or windows
-
- 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
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
- B60Q1/30—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating rear of vehicle, e.g. by means of reflecting surfaces
- B60Q1/302—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating rear of vehicle, e.g. by means of reflecting surfaces mounted in the vicinity, e.g. in the middle, of a rear window
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
- B60R1/12—Mirror assemblies combined with other articles, e.g. clocks
- B60R1/1207—Mirror assemblies combined with other articles, e.g. clocks with lamps; with turn indicators
Definitions
- the invention relates to an arrangement of a light-emitting semiconductor component, in particular an LED, and a light guide layer, which can be used in particular in automotive technology as a brake or tail light or as a mirror with integrated turn signal function.
- the light guide layer is a foil of an optically transparent material, for example of glass.
- a mirror coating may be attached.
- the semiconductor chip emits light in the direction of a first and a second reflection, which deflect the light into the optical waveguide layer.
- the arrangement can be used in car headlights or taillights.
- a vehicle lamp is beschrie ⁇ ben having a transparent organic light emitting diode whose active zone is placed between two glass slides.
- the device appears as a normal mirror, and in a second operating state, it serves as a lamp.
- the object of the invention is to provide an easily manufacturable and universally applicable, in particular in the automotive industry, usable light that is transparent in an off mode or acts as a mirror.
- the light ⁇ conductor layer has a different from glass optically trans ⁇ parent material, and the light emitting semiconductor ⁇ device is angeord ⁇ net at one edge of the light guide layer.
- An edge is a lateral boundary of the planar extension of the light guide layer.
- the planar extension of the light guide layer is preferably not for a light ⁇ line in a preferred direction, but for a flat distribution of the light provided so that the arrangement fulfills the function of a lamp.
- the arrangement zusharm ⁇ Lich comprises a base layer having a different of the light guide layer optically transparent material.
- the light guide layer is arranged on or above the base layer.
- the arrangement additionally comprises a base layer which is an optically opaque material having.
- the light guide layer is arranged on or above the base ⁇ layer.
- the base layer is a rear window of a vehicle
- the base layer is a body of a vehicle.
- the arrangement additionally comprises a reflector layer.
- the light guide layer is arranged on or above the reflector layer.
- an optically transparent base layer made of a material different from the optical waveguide layer is arranged between the optical waveguide layer and the reflector layer.
- an optically transparent base layer made of a material different from the optical waveguide layer is arranged on the side of the optical waveguide layer which is remote from the reflector layer.
- the optical fiber layer is arranged only on or over a portion of the reflector layer, not on or over the entire reflector layer.
- the arrangement additionally comprises a housing which partially surrounds the arrangement.
- This embodiment may in particular in a first operating state as a rearview mirror of a vehicle and in a second operating state as a direction indicator or as Direction indicator and rearview mirror of a vehicle be pre ⁇ see.
- the optical fiber layer is an Evonik material.
- FIG. 1 shows a schematic representation of an exporting ⁇ approximately example of an arrangement of a semiconductor light-emitting device and a light guide layer as a brake ⁇ or tail lamp.
- FIG. 2 shows the cross section marked in FIG.
- FIG. 3 shows a cross section according to FIG. 2 for a further exemplary embodiment.
- Figure 4 shows a schematic representation of another embodiment as a brake or tail light.
- Figure 5 shows a schematic representation of an exporting ⁇ approximately example as a mirror turn signals.
- FIG. 6 shows the cross section marked in FIG.
- FIG. 7 shows a cross section according to FIG. 6 for a further exemplary embodiment.
- Figure 8 shows a schematic representation of another embodiment as a mirror indicator.
- FIG. 9 shows the cross section marked in FIG.
- FIG. 1 shows as an exemplary embodiment an arrangement of a plurality of light-emitting semiconductor components 1, which are arranged on an edge 6 of a light-conducting layer 2.
- the light guide layer 2 is arranged on or above a base layer 4.
- the light-conducting ⁇ layer 2 may, for example, two or more separate areas of the base layer 4 or the entire base layer 4 cover.
- the base layer 4 may be optically transparent or opaque.
- Optical fiber layer 2 are arranged. For different applications, however, it may suffice if only a single light-emitting semiconductor component 1 is provided.
- the arrangement according to Figure 1 can be provided for example as a brake light of a vehicle ⁇ or closing, and the base layer 4 may be the rear window or an area of the body of the vehicle in this case.
- the optical waveguide layer 2 is present at the upper edge of the marked base layer 4.
- the base layer 4 is here, for example, the rear window, and the light guide ⁇ layer 2 acts together with the light-emitting semiconductor devices 1 as a built-in rear window brake light.
- FIG. 2 shows the cross section marked in FIG. On or above the base layer 4, the light guide layer 2 is arranged. In the illustrated example, the light guide layer 2 is located directly on the base layer 4.
- the light-emitting semiconductor device 1 is arranged, from which the emitted light is coupled into the light guide layer 2.
- the light exit surface of the light emitting Halbleiterbauele ⁇ mentes 1 and the light entry surface of the light guide layer 2 are preferably so arranged and / or reasonable to each other that fits the highest possible efficiency in coupling the light into the optical waveguide layer 2 is achieved. From there, the light is emitted in different directions, in particular on a side of the light conductor layer 2 provided for this purpose, which is shown in FIG.
- a one-sided emission of the light can be effected, for example, by the refractive indices of the optical waveguide layer 2 and of the base layer 4. But it can also be provided an all-round light emission.
- FIG. 3 shows the labeled in the Figure 1 cross-section of another embodiment in which the base ⁇ layer 4 is disposed on the upstream see ⁇ NEN for the emission of the light side of the light guide layer. 2 That is, the light passes through the base layer 4.
- the light guide layer 2 is arranged in the embodiment of Figure 2 on the outside of the rear window and in the embodiment of Figure 3 on the inside of the rear window.
- Figure 4 shows another arrangement of a lichtemittie ⁇ in power semiconductor device 1 on the edge 6 of a light conductor layer 2.
- the optical waveguide layer 2 is arranged in this case ⁇ play a braking or tail light and on a chassis ⁇ rie a vehicle or on an opaque or mirrored lamp housing as a base layer. 4
- FIG. 5 shows a schematic representation of a rearview mirror of a vehicle as a further exemplary embodiment.
- a left side mirror has been chosen here.
- the rearview mirror is additionally provided in this example as driving direction indicator, and the semiconductor light emitting device is turned ⁇ sets for generating a flashing light.
- the light guide layer 2 takes in this embodiment ⁇ example, the entire mirror surface, which is bordered by the housing 5.
- FIG. 6 shows the cross section marked in FIG.
- the light-emitting semiconductor component 1 is arranged on an edge 6 of the light-conducting layer 2. Also in this embodiment, if necessary, two or more light-emitting semiconductor devices 1 may be provided. Meh ⁇ rere light emitting semiconductor devices 1 can be at different locations, in particular at opposite edges of the light guide layer 2, are arranged.
- the housing 5 facing the back of the light guide layer 2 is provided with a reflector layer 3 and on this
- the light guide layer 2 thus serves as a mirror layer.
- FIG. 7 shows the marked in the Figure 5 cross section for another embodiment, in which a base ⁇ layer 4 between the light guide layer 2 and the reflectors ⁇ tor Mrs 3 is present.
- the base layer 4 here forms the actual mirror layer as in a conventional Rearview mirror and can be for example glass.
- the semiconductor light emitting device 1 ⁇ is at the edge 6 of the light guide layer 2 angeord ⁇ net, so that the emitted light at the lateral edge is coupled into the light guide layer. 2
- two or more light-emitting semiconductor components 1 can be provided.
- Light guide layer 2 may be arranged. In this case, the light guide layer 2 is disposed between the reflector layer 3 and the base layer 4. The light guide layer 2 can be mirrored directly with the reflector layer 3.
- the light guide layer 2 does not cover the entire mirror surface, but only around the left half of a specific ⁇ matic view of a left wing mirror of a driving ⁇ zeugs in the figure mirror surface.
- This has the advantage that in a Be ⁇ operating state in which the semiconductor device 1 light emit ⁇ advantage, the function of the mirror is completely retained at least on the right side of the mirror surface and is not affected by the emitted light.
- the area of the mirror surface occupied by the light guide layer 2 can be adapted to the respective requirements and varied accordingly.
- the light guide layer 2 can also be provided in two or more separate regions of the mirror surface.
- FIG. 9 shows the cross section marked in FIG. It can be seen that the light guide layer 2 only one Area of the base layer 4 is covered or arranged only over a region of the reflector layer 3.
- Preference ⁇ example is an edge 6 of the light guide layer 2 on the edge of the mirror surface, so that the animal rindemit- forming semiconductor device 1 can be arranged protected from the casing 5 at this point.
- a Lichtlei ⁇ ter Mrs occupying only a portion of the mirror surface 2 can be arranged between the reflector layer 3 and the base layer 4 instead of on the side facing away from the reflector layer 3 side of the base layer 4.
- a step formed by an edge of the light guide layer 2 within the mirror surface can be compensated in this case by a base layer 4 of variable thickness.
- the material of the optical waveguide layer 2 may in particular be an evonik material. Such a material is very transparent and makes it possible to realize particularly large-area light guide layers and light exit surfaces. With the described arrangement can therefore be particularly advantageous in a simple way large and therefore easily recognizable brake lights, tail lights, mirror indicators and other vehicle lights are made.
- the material may, for example, of a transparent matrix (methyl methacrylate poly) in particular PMMA or PC (polycarbonate) may be included, with a scattering filler, which for at least one Wel ⁇ lenide in the range 400-800 nm has a higher refractive index than the matrix material , consist.
- the filler consists for example of particles of S1O 2 or T1O 2 with a size of 400 nm to 40 ⁇ , before ⁇ given 1 ⁇ to 10 ⁇ .
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Multimedia (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112012001445.6T DE112012001445A5 (de) | 2011-03-25 | 2012-03-23 | Anordnung eines lichtemittierenden Halbleiterbauelementes und einer Lichtleiterschicht |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102011015148A DE102011015148A1 (de) | 2011-03-25 | 2011-03-25 | Anordnung eines lichtemittierenden Halbleiterbauelementes und einer Lichtleiterschicht |
DE102011015148.6 | 2011-03-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2012130759A1 true WO2012130759A1 (de) | 2012-10-04 |
Family
ID=45976288
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2012/055214 WO2012130759A1 (de) | 2011-03-25 | 2012-03-23 | Anordnung eines lichtemittierenden halbleiterbauelementes und einer lichtleiterschicht |
Country Status (2)
Country | Link |
---|---|
DE (2) | DE102011015148A1 (de) |
WO (1) | WO2012130759A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013156601A1 (de) * | 2012-04-20 | 2013-10-24 | Osram Opto Semiconductors Gmbh | Spiegelvorrichtung |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102020101252A1 (de) * | 2020-01-21 | 2021-07-22 | Bayerische Motoren Werke Aktiengesellschaft | Rückspiegel für ein einspuriges Kraftfahrzeug |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4892369A (en) * | 1987-01-06 | 1990-01-09 | Hughes Aircraft Company | Holographic rear window stoplight |
US5938320A (en) * | 1997-03-19 | 1999-08-17 | Harman Automotive, Inc. | Enhanced illuminated polymeric indicator employed in a mirror housing of an automotive vehicle |
US20050237757A1 (en) * | 2004-04-26 | 2005-10-27 | Jen-Hsi Weng | Pattern-display signal device for vehicle |
WO2006137623A1 (en) * | 2005-06-22 | 2006-12-28 | Fawoo Technology Co., Ltd. | Flexible backlight unit |
DE102007010755A1 (de) | 2007-03-06 | 2008-10-30 | Osram Opto Semiconductors Gmbh | Anordnung mit einem Halbleiterchip und einer Lichtleiterschicht |
US20100067253A1 (en) * | 2008-09-15 | 2010-03-18 | Edmund Fehn | Outside mirror lighting assembly and method of forming same |
WO2010066245A1 (de) | 2008-12-11 | 2010-06-17 | Osram Opto Semiconductors Gmbh | Organische leuchtdiode und beleuchtungsmittel |
WO2011008473A1 (en) * | 2009-06-29 | 2011-01-20 | 3M Innovative Properties Company | Lightguide and light source incorporating same |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000077752A (ja) * | 1998-08-28 | 2000-03-14 | Sony Corp | 光触媒励起装置 |
DE102004059742A1 (de) * | 2004-12-11 | 2006-06-14 | Daimlerchrysler Ag | Glasverbund, insbesondere Heckscheibe eines Kraftfahrzeugs, mit einer leuchtenden Funktionsschicht |
JP4678364B2 (ja) * | 2006-12-05 | 2011-04-27 | スタンレー電気株式会社 | 光源装置及び車両前照灯 |
DE102009028937A1 (de) * | 2009-08-27 | 2011-03-03 | Evonik Röhm Gmbh | Schild für KFZ-Kennzeichen umfassend mindestens eine transluzente, retroreflektierende Schicht |
-
2011
- 2011-03-25 DE DE102011015148A patent/DE102011015148A1/de not_active Withdrawn
-
2012
- 2012-03-23 WO PCT/EP2012/055214 patent/WO2012130759A1/de active Application Filing
- 2012-03-23 DE DE112012001445.6T patent/DE112012001445A5/de not_active Ceased
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4892369A (en) * | 1987-01-06 | 1990-01-09 | Hughes Aircraft Company | Holographic rear window stoplight |
US5938320A (en) * | 1997-03-19 | 1999-08-17 | Harman Automotive, Inc. | Enhanced illuminated polymeric indicator employed in a mirror housing of an automotive vehicle |
US20050237757A1 (en) * | 2004-04-26 | 2005-10-27 | Jen-Hsi Weng | Pattern-display signal device for vehicle |
WO2006137623A1 (en) * | 2005-06-22 | 2006-12-28 | Fawoo Technology Co., Ltd. | Flexible backlight unit |
DE102007010755A1 (de) | 2007-03-06 | 2008-10-30 | Osram Opto Semiconductors Gmbh | Anordnung mit einem Halbleiterchip und einer Lichtleiterschicht |
US20100067253A1 (en) * | 2008-09-15 | 2010-03-18 | Edmund Fehn | Outside mirror lighting assembly and method of forming same |
WO2010066245A1 (de) | 2008-12-11 | 2010-06-17 | Osram Opto Semiconductors Gmbh | Organische leuchtdiode und beleuchtungsmittel |
WO2011008473A1 (en) * | 2009-06-29 | 2011-01-20 | 3M Innovative Properties Company | Lightguide and light source incorporating same |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013156601A1 (de) * | 2012-04-20 | 2013-10-24 | Osram Opto Semiconductors Gmbh | Spiegelvorrichtung |
Also Published As
Publication number | Publication date |
---|---|
DE112012001445A5 (de) | 2014-01-09 |
DE102011015148A1 (de) | 2012-09-27 |
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