EP2023448B1 - Connecteur doté d'un guide optique intégré - Google Patents

Connecteur doté d'un guide optique intégré Download PDF

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Publication number
EP2023448B1
EP2023448B1 EP08013553.6A EP08013553A EP2023448B1 EP 2023448 B1 EP2023448 B1 EP 2023448B1 EP 08013553 A EP08013553 A EP 08013553A EP 2023448 B1 EP2023448 B1 EP 2023448B1
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EP
European Patent Office
Prior art keywords
connector
housing
lightguide
optical waveguide
light
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Application number
EP08013553.6A
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German (de)
English (en)
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EP2023448A1 (fr
Inventor
Michael Quiter
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Yamaichi Electronics Deutschland GmbH
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Yamaichi Electronics Deutschland GmbH
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Publication of EP2023448A1 publication Critical patent/EP2023448A1/fr
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/717—Structural association with built-in electrical component with built-in light source
    • H01R13/7172—Conduits for light transmission

Definitions

  • the present invention relates to a connector with integrated optical waveguide.
  • modules housings such as servers, personal computers or HIFI, TV sets and the like nowadays have arranged on a front, side or rear wall one or more connectors for connection to connection cables and light emitting diodes for displaying optical signals.
  • the corresponding wall of the module housing must have appropriate mounting options such as openings and screw to attach the connectors such as sockets and plugs and the LEDs on the housing wall.
  • these components must be electrically connected to a circuit board located in the housing.
  • EP 0 878 872 A2 discloses an electrical connector having a light transmitting means with a front end and a distal end near a bottom side of a connector housing.
  • US 6,368,159 B1 discloses a light tube for a modular jack for mounting on a PC board to overlay an LED on the board.
  • a connector or contact socket or contact socket with the following components: a housing for receiving at least one contact element or contact pin or contact tongue for coming into contact with a complementary contact element of a complementary connector, wherein at least one optical waveguide in or disposed on the housing and exposed at a front of the housing to display an optical signal, wherein the optical waveguide is formed substantially cuboid or cylindrical with a longitudinal axis and on one side of an entrance surface has a tapered surface for the reflection of incident light rays and a housing shield of the housing provides a holding portion adapted to fix the optical waveguide in the housing in cooperation with the beveled surface of the optical waveguide, and wherein the retaining, planar Ab cut by bending or pushing in position.
  • optical waveguide By arranging the optical waveguide in or on the housing of the connector, an assembly consisting of the optical waveguide and the connector is provided, so that this subassembly can be mounted as an integral part and electrically connected.
  • This offers the advantage that it is not necessary to attach and electrically connect an optical signal device as conventionally required, and furthermore the connector has to be fastened and electrically connected.
  • the space required for two separate components for the connector and the electrical signaling device is reduced in this integrated design.
  • the optical waveguide can moreover be provided with a very small cross section in order to further reduce the space requirement, in particular in comparison with the arrangement of a light source, such as a light emitting diode, which has a certain minimum cross section due to its construction.
  • the light-emitting diode can be arranged anywhere on a printed circuit board and is optically coupled to the optical waveguide in order to transmit the light emitted by the light-emitting diode through the optical waveguide to a front side of the connector.
  • the optical fiber is exposed on a back side of the connector housing to supply the light signal at that location.
  • a light-emitting diode can be arranged on a rear side of the housing of the connector on the printed circuit board and the light signal can be fed into the optical waveguide without directly connecting the optical waveguide and the light-emitting diode.
  • the light transmission also works with relatively large tolerances in the arrangement of the connector and the light emitting diode on a printed circuit board.
  • the optical fiber is in through the housing of the Connector disposed therethrough so that the optical fiber extends from the back of the connector housing to the front.
  • the optical waveguide is made of inexpensive material, such a connector can be provided with the optical waveguide regardless of whether an optical signal is to be displayed or not, so that the number of different connectors is reduced.
  • the optical waveguide connector according to the invention can also be used in applications that do not require the optical waveguide. As a result, a number of identical connectors is increased to reduce manufacturing costs.
  • the connector can also be manufactured and sold without the optical waveguide arranged in the opening.
  • the optical waveguide is preferably made of a polycarbonate, polymethyl methacrylate (PMMA), transparent polyamide or radiation-crosslinked polyamide or has at least one of these materials.
  • the connector has on a bottom side at least one soldering and / or soldering pin for electrically connecting the connector to a printed circuit board and / or a projection for the mechanical fixation of the connector in a complementary opening or recess of the printed circuit board or a bottom plate of a Module housing or the like.
  • the optical waveguide at a rear end, ie at the rear of the connector housing, on which preferably the light-emitting diode is arranged on the printed circuit board bevelled at an angle of 35 to 50 ° relative to a longitudinal axis of the optical waveguide, most preferably at an angle of 35 to 40 °, because at an angle of substantially 38 °, a total reflection due to the refractive index is caused.
  • the total reflection offers the advantage of an optimized light output for the transmission of the light signal.
  • the optical waveguide at the back of the connector housing a Angle of substantially 90 ° relative to the longitudinal axis of the optical waveguide forms.
  • the direction (or in other words the spatial orientation) of the longitudinal axis of the optical waveguide is advantageously defined by being parallel to the longitudinal surfaces or the optical waveguide.
  • the longitudinal axis is straight-lined.
  • the longitudinal surfaces are arranged so that the cross section of the optical waveguide perpendicular to the longitudinal axis substantially has a square, rectangular and / or circular shape.
  • the longitudinal axis is parallel to the surface of the circuit board.
  • the optical waveguide comprises an entrance surface.
  • the entrance surface of the optical waveguide is preferably designed so that light from one (or more) light sources (such as a light emitting diode) is fed through this entrance surface into the optical waveguide.
  • the entrance surface is flat. Particularly preferably, it is arranged parallel to one of the longitudinal surfaces of the optical waveguide.
  • the inlet surface can be arranged parallel to the longitudinal axis of the optical waveguide in particular.
  • the entrance surface may form a common planar surface with one of the longitudinal surfaces.
  • the optical fiber and the connector housing are configured such that the entrance surface of the optical fiber is at least partially exposed at or near the rear of the connector.
  • the entry surface may be at least partially exposed at the rear of the underside of the connector housing.
  • the entrance surface of the optical fiber is at least partially exposed to substantially form part of the outer surface of the connector housing.
  • the connector housing and the optical waveguide are formed such that the exposed part of the entrance surface or the entire entrance surface of the optical waveguide does not form a recess or recess of the outer surface of the connector housing.
  • the entrance surface of the optical waveguide protected from environmental influences and / or the coupling of unwanted light reflections. Furthermore, this arrangement has the advantage that the exposed surface of the optical waveguide at least partially very close to a arranged on the circuit board light source (such as a light emitting diode) may be arranged. This can bring about the advantage that a large proportion of the light power emitted by the light source is fed into the optical waveguide. Furthermore, this advantageously the light source can be shielded so that no unwanted interfering light signals or scattered light reflections are emitted by the light source.
  • the optical waveguide advantageously comprises an exit surface.
  • the connector housing and the optical waveguide are preferably formed such that the exit surface of the optical waveguide is at least partially exposed.
  • the optical fiber is at least partially exposed at the front of the connector housing.
  • the light signal may exit through the exit surface to be perceived by a user. But it is also conceivable that the light signal is forwarded or received at the exit surface of another medium for signal line or signal processing.
  • the optical waveguide is integrally formed.
  • the optical waveguide consists of several parts.
  • the various parts of the optical waveguide can be mounted in the connector housing in geometric relation to each other.
  • the individual parts of the optical waveguide are connected to each other before or during assembly of the connector.
  • the optical waveguide comprises at least one bevelled surface.
  • the beveled surface is preferably designed so that it deflects a high proportion of the light source from the light rays as possible lossless and as possible in the direction of the exit surface.
  • the bevelled surface is advantageously flat.
  • the beveled surface of the optical waveguide has a bevel angle to the longitudinal axis of the optical waveguide.
  • the taper angle is defined as 90 ° minus the angle between the longitudinal axis of the optical waveguide and the surface normal of the slanted surface, the surface normal of the slanted surface being directed towards the interior of the optical waveguide.
  • the taper angle is in a range of 35 ° to 50 °, more preferably in a range of 35 to 40 °.
  • the bevelled surface may also have a chamfer angle of 20 to 80 ° to the longitudinal axis of the optical waveguide. But it is also conceivable that the bevelled surface forms an angle of 90 ° relative to the longitudinal axis of the optical waveguide.
  • the taper angle may preferably be equal to or greater than the critical angle of total reflection.
  • the bevel angle is equal to the critical angle of total reflection.
  • the optical fiber is attached to or near the bottom of the connector housing.
  • the optical waveguide is positioned in the connector housing, that after the assembly of the connector on the circuit board, the longitudinal axis of the optical waveguide is oriented substantially parallel to the circuit board.
  • the bevelled surface of the optical waveguide is substantially partially adjacent directly to the entrance surface of the optical waveguide.
  • the optical waveguide a Transition surface which is located between the Entrittsober Design and the tapered surface, so that the entrance surface is not immediately adjacent to the tapered surface.
  • the smallest distance between the entrance surface and the tapered surface is smaller than the height of the optical fiber.
  • the height of the optical waveguide should be understood to mean the vertical dimension of the optical waveguide, the vertical direction being defined orthogonal to the surface of the printed circuit board. More preferably, the smallest distance between the entrance surface and the tapered surface is less than 20% of the height of the optical waveguide. More preferably, the smallest distance between the entrance surface and the tapered surface is less than 10% of the height of the optical waveguide.
  • the chamfered surface can thereby be arranged very close to the light source, whereby a larger proportion of the light beams of the light source can impinge on the chamfered surface. As a result, an increased proportion of light rays can be reflected in the direction of the exit surface. Furthermore, this arrangement can cause the optical waveguide occupies only a small space in the connector housing. This makes it possible that the arrangement of the optical waveguide does not limit the structural design of the remaining connector housing too much.
  • the connector housing preferably has at least one retaining portion, wherein the retaining portion is configured, in cooperation with the beveled surface of the optical waveguide, to fix the optical waveguide in the connector housing.
  • the connector housing comprises a housing shield comprising the retaining portion.
  • the holding portion may be integrally connected to the housing shield and be brought by a bend, or a depression of the housing shield in the position in which it in cooperation with the beveled surface of the Fiber optic fixed the optical fiber in the connector housing.
  • an opening in the housing shield is produced by the bending or by the depression, wherein this opening is designed to expose the entrance surface of the optical waveguide.
  • the housing screen does not have such an opening without the process of bending or indentation, since this opening is created only by the bending, or in other words, by the positioning of the retaining section.
  • a housing shield can be provided which optimally shields a connector housing which does not contain an optical waveguide.
  • this can effectively provide a housing shield which optimally shields a connector without optical fiber and which can be adapted for fiber optic connectors by bending, so that an opening for exposing the entrance surface of the connector and a retaining portion for Fixation of the optical waveguide is provided.
  • the surface of the holding portion at or near the beveled surface of the optical waveguide causes a more effective reflection of the light signal and thus the light output, or use of the light signal of the light source is increased.
  • the holding portion is made of metal or has a metallized surface, whereby the metallic or metallized surface of the holding portion reflects parts of the light signal in addition to the beveled surface of the optical waveguide.
  • this allows a more efficient transmission of the signal of the light source, or a higher light output can be achieved.
  • the fiber optic connector is attached to a front-rear or side wall of a module housing by soldering the connector to a circuit board and positioning the circuit board in the housing such that the connector passes through an opening of the module housing wall extends to be accessible from the outside.
  • a light-emitting diode is preferably arranged on the printed circuit board, that the light emitted by the light emitting diode is fed into the optical waveguide of the connector to transmit the light signal from the back of the connector to the front of the connector, ie to the outside of the module housing.
  • a method for arranging a connector and an optical signal display preferably for a module housing, is provided by arranging at least one optical fiber in or on the housing of the connector and exposing the optical fiber to a front side of the housing to display an optical signal
  • the optical waveguide By disposing the optical waveguide in the housing, only one component, namely the connector, has to be fixed and electrically connected to the corresponding position of the module housing so as to provide an assembly of at least one connector and at least one optical signal indicator. As a result, the assembly time can be reduced and corresponding manufacturing costs for a module housing can be reduced.
  • the method further comprises the step of exposing the optical waveguide to a rear side of the housing in order to feed in a light signal at this position.
  • the method further comprises the step of mounting the connector to a printed circuit board via at least one soldering point and / or soldering pin and / or projection.
  • the method further comprises the step of chamfering a rear end of the optical waveguide, preferably at an angle of 35 ° to 50 ° relative to a longitudinal axis of the optical waveguide.
  • FIGS. 1 and 6 shows the connector with the housing 10, wherein at the front of the housing, the Autstittsober Structure 23 of the optical waveguide 1 is at least partially exposed.
  • the connector is soldered to the housing 10 by solder pads 7 and / or solder pins 8, 9 on a circuit board 20 to electrically connect the connector to the circuit board 20.
  • the electrical connection includes the connection of the circuit board 20 with contact elements 11 of the connector. These contact elements 11 are brought into contact with contact elements of a complementary connector (not shown) to make electrical connection with, for example, external devices.
  • a light-emitting diode (LED) 2 on the printed circuit board 20 is preferably soldered to a rear side, 10b or near the rear part of the underside of the connector housing.
  • This light-emitting diode 2 is arranged on the printed circuit board 20 in accordance with optical waveguides 1, 1 arranged in an opening of the connector housing 10.
  • the connector may also have one or more optical signals depending on the number of arranged in the connector housing 10 Transmit optical fiber 1.1 to a front side of the connector housing.
  • the connector housing 10 further has a housing shield 3, 4 of a correspondingly bent metal sheet to shield transmitted signals.
  • the metal sheet is recessed accordingly at a front side of the connector to expose the optical waveguide 1,1.
  • the optical fibers 1 may have a very small cross section, preferably a circular cross section with a diameter of about 0.5 to 5 mm, most preferably 1 to 3 mm. In this way, a very space-saving optical signal display is provided on a front side of the connector.
  • the connector may be any type of connector, such as an RJ45 plug (Western plug), or socket, a socket or plug for a serial or parallel port, a coaxial plug, a USB plug, a D-Sub socket or like.
  • the connector is preferably disposed on a front, rear or side wall of a module housing to locate the circuit board 20 within the module housing such that the connector is positioned in correspondence with an opening of the housing wall. In this way can be dispensed with an attachment of the connector to the housing wall, so that the assembly is facilitated.
  • the connector is soldered to the optical waveguide 1 on the circuit board 20 and the circuit board 20 is inserted into the module housing. By the corresponding positioning of the circuit board 20 within the housing, the connector is now automatically located at the correct position. Another assembly step is not required.
  • the feeding of the optical signal via the LED 2 in the optical waveguide. 1 is preferably done in the following way:
  • the light emitting diode 2 is positioned relative to the optical waveguide 1 such that at least a portion of the light emitted by the light emitting diode 2 impinges on an exposed surface of the optical waveguide 1 in the rear region of the connector housing 10.
  • This surface is therefore also referred to as entry surface 21.
  • this entrance surface 21 may be shaped such that Lichststrahlen the light emitting diode 2, which together represent the largest possible proportion of the total radiation flux of the light emitting diode 2, impinge at a minimum angle to the normal of the entrance surface 21.
  • the proportion of the radiation flux of the light-emitting diode 2, which is reflected back at the entrance surface 21 can be kept low. In other words, this can optionally be achieved by a high proportion of the light output of the light-emitting diode 2 entering the optical waveguide 1.
  • the entrance surface 21 in its general embodiment need not be a flat surface, but may be adapted in shape such that a high proportion of the light output of the light emitting diode 2 enters the optical waveguide 1, that the optical waveguide 1 is particularly easy to manufacture, and / or to assemble.
  • the cross section of the optical waveguide 1, so the section perpendicular to the longitudinal axis of the optical waveguide 1, is not limited to rectangular or square shapes. There are many forms conceivable, in particular an ellipse or a circular shape. In addition, it is also conceivable that the cross-sectional shape of the optical waveguide 1 along the longitudinal axis of the optical waveguide 1 is not equal.
  • the beveled surface 22 of the optical waveguide is shaped so that light rays, which together represent the largest possible proportion of the total radiation flux of the light-emitting diode, at the bevelled Surface 22 of the optical waveguide 1 are reflected at an angle to the normal of the tapered surface 22, which is substantially greater than the critical angle of total reflection. This ensures that light rays, which together represent the largest possible proportion of the total radiation flux of the light-emitting diode 2, are substantially completely reflected at this beveled surface 22.
  • the longitudinal axis of the optical waveguide forms with the - to the interior of the optical waveguide directed towards surface normal of the beveled surface at an angle of 90 ° minus ⁇ to each other.
  • the longitudinal axis 25 of the optical waveguide 1 is advantageously defined by the fact that it is parallel to the longitudinal surfaces 24a, 24b, 24c and 24d of the optical waveguide.
  • the normal of the chamfered surface has a right angle ⁇ to the chamfered surface.
  • the incident light rays are deflected by reflection on the slanted surface 22 and form the deflected light beam 27th
  • the entrance surface 21 and the tapered surface 22 also form an angle ⁇ to each other.
  • Incident light rays 26 entering the optical waveguide 1 under normal incidence on the entrance surface 21 form an angle with the normal 31 of the slanted surface 22 having the magnitude of the angle ⁇ .
  • the angle ⁇ greater than the critical angle of total reflection so there is a total reflection for these incident light beams 26, so that substantially the entire radiation flux of these light rays is reflected at the tapered surface 22.
  • a higher proportion of those light beams which have not entered the optical waveguide exactly perpendicular to the entrance surface 21 may be totally reflected. This can lead to a small loss of the power of the light signal during the transmission through the optical waveguide 1.
  • the optimum angle can be dependent, inter alia, of ⁇ the position of the light-emitting diode 2 relative to the optical waveguide 1, the spatial distribution of the radiation flux emitted by the light-emitting diode 2, the cross-sectional shape of the optical waveguide 1, and the shape of the entrance surface 21 and the exit surface 23.
  • the angle ⁇ may optionally form an increased angle to the longitudinal axis of the optical waveguide 1 after reflection at the beveled surface 22.
  • reflections on the longitudinal surfaces 24a, 24b, 24c, 24d of the optical waveguide 1 may possibly take place below the critical angle of total reflection, which may result in a higher proportion of the power of the optical signal leaving the optical waveguide 1 .
  • the beveled surface 22 to the longitudinal axis of the optical waveguide 1 forms an angle ⁇ between 35 and 50 °, particularly advantageously between 35 and 40 °.
  • the optical waveguide 1 can also be bevelled in an angular range of 20 ° to 80 ° or form an angle of substantially 90 ° with respect to the longitudinal axis of the optical waveguide 1.
  • tapered surface 22 in its general design need not be a flat surface, but may be formed curved to reduce the loss of the transmitted power of the light signal of the light emitting diode, for ease of manufacture and / or assembly.
  • the entrance surface need not necessarily be formed parallel to the longitudinal axis of the optical waveguide 1, as shown in FIG Fig. 4 for an embodiment is shown.
  • the inlet surface 21 may, for example, also be arranged substantially parallel to the outlet surface 23.
  • the optical waveguide 1 may be formed in this case, for example, cuboid or cylindrical.
  • the exit surface 23 may be arbitrarily adapted in shape, so that, for example, a better yield of the power of the light signal of the light emitting diode 2 takes place or the optical waveguide 1 is easier to manufacture or to assemble.
  • the entrance surface 21 is substantially partially immediately adjacent to the tapered surface 22. Between the entrance surface 21 and the tapered surface 22, the transition surface 30 may be located so that the entrance surface and the tapered surface are not immediately adjacent at any point.
  • the smallest distance between the entrance surface and the bevelled surface is smaller than the height of the optical waveguide 1.
  • the height of the optical waveguide is to be understood as the vertical dimension of the optical waveguide, the vertical direction being defined orthogonal to the surface of the printed circuit board. More preferably, the smallest distance between the entrance surface 21 and the tapered surface 22 is less than 20% of the height of the optical waveguide. More preferably, the smallest distance between the entrance surface 21 and the tapered surface 22 is less than 10% of the height of the optical waveguide.
  • the optical waveguide 1 may further have holding surfaces 28a and 28b, which serve to hold the fixing of the optical waveguide 1 in the connector housing 10.
  • the entrance surface 21 is exposed at the rear part of the underside of the connector. Thereby, the entrance surface 21 forms an outer surface of the connector. This will be the Entry surface 21 after mounting the connector on the circuit board 20 advantageously positioned very close to the light emitting diode 2.
  • the optical fiber 1 is mounted in the housing 10 of the connector so as to extend near the bottom of the connector housing 10 along the printed circuit board 20.
  • the housing shield 3, 4 provides a holding portion 29 which is designed to, in cooperation with the beveled surface 22 of the optical waveguide 1, the optical waveguide 1 in the housing 10 of the connector to fix.
  • the holding portion 29 is by a bend, or impressions in the in the Figures 10 and 11 shown position brought.
  • the holding portion 29 without the operation of bending or indentation planar, or arranged in the same plane with the adjacent housing shield 3, so that without the process of bending, or the holding portion no opening in the housing screen 3, 4th forms and thus effective shielding causes.
  • the housing shield 3, 4 can be mounted without the optical waveguide 1 on the connector without the holding portion 29 forms an opening which could affect the shield of the connector.
  • two or more LEDs may be arranged so that they can couple light signals on the same or on separately exposed surfaces of the optical waveguide. It is thus possible that light signals from a plurality of possibly differently colored light-emitting diodes can be output at the exit surface 23 of the optical waveguide.
  • optical waveguide 1 need not only be formed in one piece, but may be composed of several components, wherein the individual components, for example, have different refractive indices.
  • the light signal in the optical waveguide. 1 is coupled, not by a light emitting diode 2, but by another suitable light source, or can also be generated by a further optical waveguide.
  • surfaces of the optical waveguide are coated, so that the reflections of the light beams on these surfaces of the optical waveguide 1 and / or the entry of the light beams are influenced in the optical waveguide, for example, for a better yield of the power of the light signal.

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  • Optical Couplings Of Light Guides (AREA)

Claims (14)

  1. Connecteur avec un boîtier (10) pour la réception d'au moins un élément de contact (11) destiné à entrer en contact avec un élément de contact complémentaire d'un connecteur complémentaire, dans lequel au moins un guide optique (1) est agencé dans ou sur le boîtier (10) et exposé sur un côté avant (10a) du boîtier (10) dans le but d'afficher un signal optique, dans lequel
    ∘ le guide optique (1) est conçu principalement parallélépipédique ou cylindrique avec un axe longitudinal (25) et présente, sur un côté d'une surface d'incidence (21), une surface chanfreinée (22) pour la réflexion de faisceaux lumineux incidents,
    ∘ un blindage de boîtier (3, 4) du boîtier (10) fournit une partie de maintien (29) qui est conçue de sorte à fixer le guide optique dans le boîtier (10) en coopération avec la surface chanfreinée (22) du guide optique (1), et
    ∘ dans lequel la partie de maintien plane (29) est mise en place par cintrage ou par enfonçage.
  2. Connecteur selon la revendication 1, dans lequel le guide optique (1) est exposé sur le côté arrière (10b) du boîtier (10) de sorte à propager, à cette position, un signal lumineux.
  3. Connecteur selon l'une des revendications 1 ou 2, dans lequel le guide optique (1) est agencé dans une ouverture du boîtier (10) qui s'étend du côté avant (10a) au côté arrière (10b) du boîtier (10).
  4. Connecteur selon l'une quelconque des revendications précédentes, dans lequel le guide optique (1) présente au moins l'un parmi polycarbonate, polyméthylméthacrylate (PMMA), polyamide transparent ou polyamide réticulé par radiation.
  5. Connecteur selon l'une des revendications précédentes, dans lequel l'on prévoit sur un côté fond du connecteur au moins un point de soudure (7) et/ou un plot de soudure (8, 9) pour connecter électriquement le connecteur à un circuit imprimé (20).
  6. Connecteur selon l'une quelconque des revendications précédentes, dans lequel au moins une saillie (5, 6) est agencée de préférence sur le côté fond du connecteur pour une fixation mécanique du connecteur dans une ouverture complémentaire ou évidement d'un circuit intégré, plaque de fond d'un boîtier de module ou similaire.
  7. Connecteur selon l'une quelconque des revendications précédentes, dans lequel une extrémité arrière du guide optique (1) est chanfreinée, de préférence dans un angle de 35° à 50° par rapport à un axe longitudinal du guide optique (1).
  8. Connecteur selon l'une quelconque des revendications précédentes, dans lequel la surface d'incidence (21) est conçue de sorte à être parallèle par rapport à l'axe longitudinal (25) du guide optique (1), et dans lequel la surface chanfreinée (22) forme un angle d'inclinaison de 35° à 50° par rapport à l'axe longitudinal (25) du guide optique (1), de préférence un angle d'inclinaison compris entre de 35° et 40°, de façon particulièrement préférée, l'angle d'inclinaison correspond à l'angle limite de la réflexion totale.
  9. Assemblage à circuits imprimés doté d'un connecteur selon l'une quelconque des revendications précédentes et d'une diode électroluminescente (2) qui est agencée de telle sorte sur le circuit imprimé (20) que la lumière émise par la diode électroluminescente (2) est injectée dans le guide optique (1) du connecteur.
  10. Procédé d'agencement d'un connecteur et d'un affichage de signal optique avec les étapes :
    ∘ agencement d'au moins un guide optique (1) dans ou sur un boîtier (10) du connecteur, et
    ∘ exposition du guide optique (1) sur le côté avant (10a) du boîtier (10), pour l'affichage d'un signal optique,
    ∘ formage du guide optique (1) pour qu'il ait une forme parallélépipédique ou cylindrique avec un axe longitudinal (25),
    ∘ agencement d'une surface chanfreinée (22) pour la réflexion de faisceaux lumineux incidents sur un côté d'une surface d'incidence (21),
    ∘ agencement d'une partie de maintien (29) sur un blindage de boîtier (3, 4) du boîtier (10) qui est conçue de sorte à fixer le guide optique dans le boîtier (10) en coopération avec la surface chanfreinée (22) du guide optique (1), et
    ∘ dans lequel la partie de maintien plane (29) est mise en place par cintrage ou par enfonçage.
  11. Procédé selon la revendication 10, comprenant en outre l'étape d'exposer le guide optique (1) sur un côté arrière (10b) du boîtier (10) de sorte à injecter, à cette position, un signal lumineux.
  12. Procédé selon l'une des revendications 10 ou 11, comprenant en outre les étapes :
    ∘ établissement d'une ouverture dans le boîtier (10) qui s'étend du côté avant (10a) au côté arrière (10b) du boîtier (10), et
    ∘ agencement du guide optique (1) dans l'ouverture.
  13. Procédé selon l'une des revendications de 10 à 12, comprenant en outre l'étape :
    ∘ montage du connecteur sur un circuit intégré (20) par un point de soudure (7) et/ou un plot de soudure (8, 9) et/ou une saillie (5, 6).
  14. Procédé selon l'une des revendications de 10 à 13, comprenant en outre l'étape:
    ∘ chanfreinage d'une extrémité arrière du guide optique (1), de préférence dans un angle de 35° à 50° par rapport à un axe longitudinal du guide optique (1).
EP08013553.6A 2007-07-27 2008-07-28 Connecteur doté d'un guide optique intégré Active EP2023448B1 (fr)

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JP2009128828A (ja) * 2007-11-27 2009-06-11 Sony Corp 導光管及び表示装置
CN105990746B (zh) 2015-01-29 2019-02-12 富士康(昆山)电脑接插件有限公司 线缆连接器组件

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DE102007035088A1 (de) 2009-01-29

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