EP0580082A1 - Dispositif optoélectronique - Google Patents

Dispositif optoélectronique Download PDF

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Publication number
EP0580082A1
EP0580082A1 EP93111410A EP93111410A EP0580082A1 EP 0580082 A1 EP0580082 A1 EP 0580082A1 EP 93111410 A EP93111410 A EP 93111410A EP 93111410 A EP93111410 A EP 93111410A EP 0580082 A1 EP0580082 A1 EP 0580082A1
Authority
EP
European Patent Office
Prior art keywords
light
transparent
transparent element
component according
component
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
EP93111410A
Other languages
German (de)
English (en)
Other versions
EP0580082B1 (fr
Inventor
Wolfgang Dipl.-Ing. Priesemuth
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0580082A1 publication Critical patent/EP0580082A1/fr
Application granted granted Critical
Publication of EP0580082B1 publication Critical patent/EP0580082B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • G09F13/20—Illuminated signs; Luminous advertising with luminescent surfaces or parts
    • G09F13/22—Illuminated signs; Luminous advertising with luminescent surfaces or parts electroluminescent
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/18—Distinguishing marks on switches, e.g. for indicating switch location in the dark; Adaptation of switches to receive distinguishing marks
    • H01H9/182—Illumination of the symbols or distinguishing marks
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/20—Illuminated signs; Luminous advertising with luminescent surfaces or parts
    • G09F13/22—Illuminated signs; Luminous advertising with luminescent surfaces or parts electroluminescent
    • G09F2013/222—Illuminated signs; Luminous advertising with luminescent surfaces or parts electroluminescent with LEDs
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/20—Illuminated signs; Luminous advertising with luminescent surfaces or parts
    • G09F13/22—Illuminated signs; Luminous advertising with luminescent surfaces or parts electroluminescent
    • G09F2013/227—Electroluminescent displays for vehicles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/18—Distinguishing marks on switches, e.g. for indicating switch location in the dark; Adaptation of switches to receive distinguishing marks
    • H01H2009/189—Distinguishing marks on switches, e.g. for indicating switch location in the dark; Adaptation of switches to receive distinguishing marks with a tactile symbol or indication, e.g. for blind people

Definitions

  • the invention relates to an optoelectronic component with luminescent radiation-emitting properties, comprising a body provided with connections, which is at least partially light-transparent for the exit of the luminescent radiation.
  • Optoelectronic components with luminescent radiation-emitting properties which are also called luminescent diodes, light-emitting diodes or LEDs for short, are semiconductor diodes which spontaneously emit luminescent radiation in the region of the pn junction.
  • all colors of the spectrum can be emitted by such LEDs, depending on the basic substance and doping in the colors red, green and also yellow as a mixed color, with blue also, for example Silicon carbite, technically feasible, but generally not used due to its low efficiency.
  • White light does not occur with LEDs because it cannot be assigned a specific wavelength because it is composed of different spectral colors.
  • the object is achieved according to the invention in that the light-transparent part of the body is at least partially surrounded by an at least partially light-transparent element, the part of the body and the element lying in contact with one another.
  • the advantage of the solution according to the invention consists essentially in the fact that the light-transparent element and the body of the LED lie one on top of the other so that no light losses occur, as they have been observed up to now in the transition of the light from the exit from the LED to the light-transparent element. Furthermore, the light-transparent element can advantageously completely or partially encompass the body of the LED, so that the light generated by the LED completely enters the light-transparent element or passes through it.
  • the light-transparent element is made of plastic, but in principle any other suitable light-transparent materials or materials can also be used.
  • the use of light-transparent plastic has the essential advantage that the light-transparent element is applied to the light-transparent part of the by means of an injection molding process
  • Body of the LED can be sprayed on, which can usually consist of glass, a glass-like material, but possibly even a light-transparent plastic.
  • a solid, easy-to-produce connection between the light-transparent element and the body of the LED can thus be established directly during the production of the light-transparent element.
  • the light-transparent element can have a predetermined color, so that, depending on the type of application and desire, a lighting effect in the sense of the predetermined color is at least partially achieved.
  • the light-transparent element is designed in the form of a symbol with respect to its externally visible contour, that is to say, for example, during a manufacturing process of the light-transparent element and the connection with the body of the LED, the light-transparent element can be made in the course the production of this connection, for example by means of an injection molding process, can already be brought into such an outer contour that this contour corresponds to the shape of the corresponds to the desired symbol.
  • a component designed in this way can then be used, for example, in this form in an actuating element of a switch, pushbutton and the like, with the advantageous consequence that basically no further measures have to be taken to hold the LED or to ensure that the Normally expected light losses can be kept to an acceptable minimum in a separate arrangement below an actuator of a switch, button or the like.
  • the light-transparent element has at least one zone which is designed in the form of a symbol with respect to its externally visible contour, the part of the element surrounding the zone not being light-transparent.
  • the element itself is wholly or partly formed by an actuating element of a switch, a pushbutton or the like, the body of the LED with the light-transparent zone of the element first being in the form of a symbol in one or more immediately successive injection molding process steps is produced and subsequently the non-light-transparent part of the element.
  • This configuration of the component allows on the one hand a very cost-effective producibility and on the other hand it enables high miniaturization, for example, of actuating elements of switches, buttons and the like, which can be illuminated at one or more points, for example the actuating elements of so-called window regulator switches in motor vehicles.
  • the light-transparent element can advantageously be white, which also applies to the design of the component in which only the zone is designed to be light-transparent.
  • the zone can also advantageously have a predetermined other suitable, desired color.
  • the component 10 according to the invention is basically formed by an optoelectronic component with luminescent radiation-emitting properties, generally with a luminescent diode, light-emitting diode or, in short LED (Light Emitting Diode) is called.
  • a luminescent diode generally with a luminescent diode, light-emitting diode or, in short LED (Light Emitting Diode) is called.
  • the semiconductor diode is caused in a known manner to spontaneously emit luminescent radiation in the region of the pn junction, which is generally known and need not be described further here.
  • LEDs 10 are available in a wide variety of constructive configurations, so that the enlarged side view in FIG. 1 (approx. 10 times enlarged) is only to be understood as an exemplary representation, ie without a restrictive constructive character of the component 10 to the representation shown in FIG. 1.
  • the component 10 has, in addition to a body 12, which as a rule partially but also entirely consists of light-transparent plastic, has two connections 11 which serve for the voltage supply in a known manner.
  • the light-transparent part 13 of the body 12 of the component 10 is at least partially surrounded by an at least partially light-transparent element.
  • the light-transparent part 13 of the body 12 and the element 14 lie on top of one another in such a way that both elements are in contact with one another, with the exclusion of a gap between their surfaces.
  • Light 16 can thus directly enter the light-transparent element 14 on the outlet side of the body 12 and, as indicated in FIG. 1, leave it to the outside.
  • the light-transparent element 14 itself can consist of injection-moldable plastic, so that it can be used directly, for example, using an injection molding process can be sprayed onto the light-transparent part 13 of the body 12 and a unit consisting of the light-transparent element 14 and the actual optoelectronic component 10 is quasi formed by this process.
  • the actual optoelectronic component has been omitted for reasons of clarity.
  • the light-transparent element 14 is designed such that it is designed with respect to its externally visible contour in the form of a symbol 15, here in the form of an arrow, which is apparent from FIG. 3, the one shows rotated by 90 0 compared to the representation of FIG. 2 in plan view results.
  • the light-transparent element 14 can be white, for example, so that to a certain degree a white light portion of the light 16 leaving the light-transparent element 14 is formed.
  • any predetermined colors can be selected in the formation of the light-transparent element, regardless of whether an embodiment according to FIG. 1 or according to FIGS. 2 and 3 is selected.
  • the light-transparent element 14 can also be designed in such a way that it has at least one zone which, in terms of its externally visible contour, is in the form of a symbol 15 is formed, while the part of the element 14 surrounding the zone is not light-transparent, ie that would be the area of the element 14 in the illustration according to FIG. 3 which lies outside the symbol 15. It is then also with this configuration possible that the light-transparent element 14 formed by the zone, ie the actual symbol 15, downward, cf. Fig. 2, extended to the component 10 (not shown), so that the component 10 emits its light directly into the light-transparent zone of the element 14, ie in the area of the symbol 15, while the part surrounding the zone is opaque.
  • the shape of the element 14 shown in the figures can also be of any suitable design, ie the shapes shown only schematically symbolize the element 14, without the design of the element 14 is limited to this.
  • the element 14 can form the actuating element of a so-called window lifter switch, as is used, for example, in automobile construction for lifting and lowering the windows in motor vehicles for actuating them.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Led Device Packages (AREA)
  • Electroluminescent Light Sources (AREA)
  • Conductive Materials (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Light Receiving Elements (AREA)
EP93111410A 1992-07-20 1993-07-15 Dispositif optoélectronique Expired - Lifetime EP0580082B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4223795 1992-07-20
DE4223795A DE4223795A1 (de) 1992-07-20 1992-07-20 Optoelektronisches Bauelement

Publications (2)

Publication Number Publication Date
EP0580082A1 true EP0580082A1 (fr) 1994-01-26
EP0580082B1 EP0580082B1 (fr) 1996-04-17

Family

ID=6463613

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93111410A Expired - Lifetime EP0580082B1 (fr) 1992-07-20 1993-07-15 Dispositif optoélectronique

Country Status (5)

Country Link
EP (1) EP0580082B1 (fr)
JP (1) JP2548886B2 (fr)
AT (1) ATE137052T1 (fr)
CA (1) CA2100949A1 (fr)
DE (2) DE4223795A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2311748A (en) * 1996-04-04 1997-10-08 Dewhurst Plc Improvements in or relating to illuminable indicating devices
US5825051A (en) * 1996-10-12 1998-10-20 Preh-Werke Gmbh & Co. Kg Optoelectronic component with central hollow
DE10251871A1 (de) * 2002-09-30 2004-04-01 BSH Bosch und Siemens Hausgeräte GmbH Schaltervorrichtung
DE102004039004A1 (de) * 2004-08-11 2006-02-23 Bayerische Motoren Werke Ag Kraftfahrzeugleuchte mit einer aus Kunststoff gefertigten Lichtscheibe

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012101393A1 (de) * 2012-02-21 2013-08-22 Osram Opto Semiconductors Gmbh Verfahren zur Herstellung eines optoelektronischen Halbleiterbauteils und optoelektronisches Halbleiterbauteil

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2803539A1 (de) * 1978-01-27 1979-08-02 Blaupunkt Werke Gmbh Tastenknopf mit lichtleiter
EP0043618A1 (fr) * 1980-07-08 1982-01-13 Philips Electronics Uk Limited Interrupteur à bouton poussoir
EP0242843A1 (fr) * 1986-04-23 1987-10-28 Alcatel Business Systems Plastron a voyants pour dispositif de commande dote d'une signalisation lumineuse
DE9002489U1 (de) * 1990-03-03 1990-05-03 Emil Schuster GmbH & Co KG, 5880 Lüdenscheid Schalterblende, Betätigungsvorrichtung o.dgl.

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7724218U1 (fr) * 1900-01-01 Siemens Ag, 1000 Berlin Und 8000 Muenchen
SE385419B (sv) * 1974-03-22 1976-06-28 Asea Ab Lysdiodanordning for utsendande av stralning i en forutbestemd riktning
FR2352359A1 (fr) * 1976-05-17 1977-12-16 Int Vibration Engineer Panneau lumineux
DE2733937A1 (de) * 1977-07-27 1979-02-08 Siemens Ag Vorrichtung zur uebertragung von signalen
JPS5539183A (en) * 1978-09-13 1980-03-18 Matsushita Electric Works Ltd Switch
DE3019239A1 (de) * 1980-05-20 1981-11-26 SIEMENS AG AAAAA, 1000 Berlin und 8000 München Umhuellung fuer halbleiterbauelement
JPS59119485U (ja) * 1983-01-31 1984-08-11 三洋電機株式会社 発光ダイオ−ドの面照明装置
JPH0422391Y2 (fr) * 1986-10-27 1992-05-21
DE8707850U1 (de) * 1987-06-02 1987-08-06 Siemens AG, 1000 Berlin und 8000 München Gegen elektrostatische Entladungen geschützte Leuchtdiode
US4999936A (en) * 1988-04-24 1991-03-19 Calamia Thomas J Illuminated sign
DE8812039U1 (de) * 1988-09-23 1988-12-29 Jungck, Günter, 79400 Kandern Leuchtdiodengehäuse
DE3886404T2 (de) * 1988-11-08 1994-05-19 Stanley Electric Co Ltd Folienartige Grossbildanzeigeeinheit.

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2803539A1 (de) * 1978-01-27 1979-08-02 Blaupunkt Werke Gmbh Tastenknopf mit lichtleiter
EP0043618A1 (fr) * 1980-07-08 1982-01-13 Philips Electronics Uk Limited Interrupteur à bouton poussoir
EP0242843A1 (fr) * 1986-04-23 1987-10-28 Alcatel Business Systems Plastron a voyants pour dispositif de commande dote d'une signalisation lumineuse
DE9002489U1 (de) * 1990-03-03 1990-05-03 Emil Schuster GmbH & Co KG, 5880 Lüdenscheid Schalterblende, Betätigungsvorrichtung o.dgl.

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2311748A (en) * 1996-04-04 1997-10-08 Dewhurst Plc Improvements in or relating to illuminable indicating devices
GB2311748B (en) * 1996-04-04 1999-10-06 Dewhurst Plc Improvements in or relating to indicating devices
US5825051A (en) * 1996-10-12 1998-10-20 Preh-Werke Gmbh & Co. Kg Optoelectronic component with central hollow
DE10251871A1 (de) * 2002-09-30 2004-04-01 BSH Bosch und Siemens Hausgeräte GmbH Schaltervorrichtung
DE10251871B4 (de) 2002-09-30 2022-03-17 BSH Hausgeräte GmbH Schaltervorrichtung
DE102004039004A1 (de) * 2004-08-11 2006-02-23 Bayerische Motoren Werke Ag Kraftfahrzeugleuchte mit einer aus Kunststoff gefertigten Lichtscheibe

Also Published As

Publication number Publication date
DE59302242D1 (de) 1996-05-23
JP2548886B2 (ja) 1996-10-30
JPH06167936A (ja) 1994-06-14
CA2100949A1 (fr) 1994-01-21
EP0580082B1 (fr) 1996-04-17
DE4223795A1 (de) 1994-02-03
ATE137052T1 (de) 1996-05-15

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