WO2020080132A1 - Dispositif électroluminescent et série de dispositifs électroluminescents pour appareils d'éclairage de véhicule - Google Patents

Dispositif électroluminescent et série de dispositifs électroluminescents pour appareils d'éclairage de véhicule Download PDF

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Publication number
WO2020080132A1
WO2020080132A1 PCT/JP2019/039267 JP2019039267W WO2020080132A1 WO 2020080132 A1 WO2020080132 A1 WO 2020080132A1 JP 2019039267 W JP2019039267 W JP 2019039267W WO 2020080132 A1 WO2020080132 A1 WO 2020080132A1
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WO
WIPO (PCT)
Prior art keywords
light emitting
light
emitting device
organic
panel
Prior art date
Application number
PCT/JP2019/039267
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English (en)
Japanese (ja)
Inventor
徹 伊東
志藤　雅也
Original Assignee
株式会社小糸製作所
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Filing date
Publication date
Application filed by 株式会社小糸製作所 filed Critical 株式会社小糸製作所
Priority to JP2020553060A priority Critical patent/JPWO2020080132A1/ja
Publication of WO2020080132A1 publication Critical patent/WO2020080132A1/fr

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Classifications

    • 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
    • B60Q1/50—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 other intentions or conditions, e.g. request for waiting or overtaking
    • B60Q1/507—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 other intentions or conditions, e.g. request for waiting or overtaking specific to autonomous vehicles
    • 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
    • B60Q1/50—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 other intentions or conditions, e.g. request for waiting or overtaking
    • B60Q1/543—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 other intentions or conditions, e.g. request for waiting or overtaking for indicating other states or conditions of the vehicle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
    • F21S43/13—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source characterised by the type of light source
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
    • F21S43/13—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source characterised by the type of light source
    • F21S43/14—Light emitting diodes [LED]
    • F21S43/145—Surface emitters, e.g. organic light emitting diodes [OLED]
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
    • F21S43/13—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source characterised by the type of light source
    • F21S43/15—Strips of light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2107/00—Use or application of lighting devices on or in particular types of vehicles
    • F21W2107/10—Use or application of lighting devices on or in particular types of vehicles for land vehicles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]
    • F21Y2115/15—Organic light-emitting diodes [OLED]

Definitions

  • the present invention relates to a light emitting device and a light emitting device series of vehicle lighting.
  • Patent Document 1 proposes, for the sake of safety, to turn on a lamp during automatic driving to inform the surroundings that the vehicle is in automatic driving.
  • the present invention has been made in view of the above problems, and one of the exemplary objects of a certain aspect thereof is to provide a technique capable of solving a problem regarding an installation location of an automatic operation display lamp.
  • a light emitting device includes a first light emitting unit that emits light having a dominant wavelength of 450 nm to 485 nm and a second light emitting unit that emits light having a dominant wavelength of 490 nm to 498 nm.
  • the light emitting section, the third light emitting section that emits light having a main wavelength of 610 nm to 640 nm, and the brightness of the light emitted from each light emitting section are individually controlled, and the color of the combined light of the light from each light emitting section is controlled.
  • a control unit that adjusts the degree.
  • Another aspect of the present invention is a series of light emitting devices for vehicle lighting.
  • This series of light emitting devices for vehicle lighting is a series of light emitting devices for vehicle lighting including a first light emitting device and a second light emitting device, and the first light emitting device and the second light emitting device are a plurality of organic light emitting devices.
  • An organic EL panel including layers and a control unit that adjusts the chromaticity of light emitted from the organic EL panel are provided. The organic EL panel is common to the first light emitting device and the second light emitting device.
  • FIG. 5A is a plan view showing a schematic structure of an organic EL panel of a light emitting device according to a modification
  • FIG. 5B is a sectional view taken along the line AA of FIG. 5A.
  • FIG. 1 is a schematic cross-sectional view showing a vehicular lamp 100 including a light emitting device 10 according to an embodiment and its surroundings.
  • the vehicle lamp 100 functions as an automatic driving display lamp, which will be described later in detail, and functions as a daytime running lamp during the daytime and as a position lamp during the nighttime during manual driving.
  • the vehicular lamp 100 includes a housing 102 and a light emitting device 10.
  • the light emitting device 10 includes an organic EL panel 12.
  • the housing 102 is a mounting structure for mounting the light emitting device 10 to the vehicle body 2, and includes a base 104 and a translucent cover 106.
  • the base 104 has a mounting surface 104a that comes into contact with the vehicle.
  • the mounting surface 104a has a three-dimensional curved surface shape corresponding to the portion 2a of the vehicle body 2 with which the mounting surface 104a abuts.
  • the corresponding three-dimensional curved surface shape is a shape such that when the mounting surface 104a is brought into contact with a portion of the vehicle body, there is substantially no gap between the mounting surface 104a and the portion of the vehicle body 2. is there.
  • the base 104 may be attached to the vehicle body with an adhesive member such as double-sided tape.
  • the base 104 has a recess 104b that is open to the front side of the lamp.
  • the translucent cover 106 is attached to the base 104 so as to cover the recess 104b.
  • the translucent cover 106 has a recess 106a that communicates with the recess 104b of the base 104.
  • a lamp chamber 110 composed of a recess 104b of the base 104 and a recess 106a of the translucent cover 106 is formed. Note that only one of the base 104 and the translucent cover 106 may have a recess that forms the lamp chamber 110.
  • the translucent cover 106 is configured to prevent ultraviolet rays from entering the lamp chamber 110.
  • the translucent cover 106 may contain an ultraviolet absorbing material. Thereby, the deterioration of the organic EL panel 12 due to ultraviolet rays can be suppressed.
  • the organic EL panel 12 is housed in the lamp room 110.
  • the organic EL panel 12 is preferably fixed to the inner surface 106b so that no gap is formed between the light emitting surface 12a and the inner surface 106b of the translucent cover 106, as illustrated. This prevents moisture from entering between the emission surface 12a of the organic EL panel 12 and the inner surface 106b of the translucent cover 106, and the emission surface 12a of the organic EL panel 12 among the inner surface 106b of the translucent cover 106 is prevented. It is possible to prevent the opposing inner surface portions from becoming cloudy.
  • the organic EL panel 12 may be adhesively fixed to the translucent cover 106 with a transparent adhesive member such as a highly transparent double-sided tape or a transparent silicon sheet.
  • the organic EL panel 12 may be a flexible plate-shaped organic EL panel, for example, a so-called 2.5-dimensional curved OLED (Organic Light Emitting Diode) panel.
  • the 2.5-dimensional curved OLED panel has good light emission uniformity in the light emission surface and has an excellent feature that it can be arbitrarily bent like paper.
  • the inner surface 106b of the translucent cover 106 may have a 2.5-dimensional shape.
  • FIG. 2 is a sectional view showing a schematic structure of the organic EL panel 12.
  • the organic EL panel 12 is such that the first laminate 18, the insulating layer 20, the second laminate 22, the insulating layer 24, and the third laminate 26 are laminated in this order on the transparent flexible substrate 16. And is further sealed with a sealing member 28.
  • the flexible substrate 16 is, for example, a flexible glass substrate or a flexible resin substrate.
  • the first stacked body 18 includes a first anode 30, a first organic EL light emitting layer 32, and a first cathode 34.
  • the second stacked body 22 includes a second anode 40, a second organic EL light emitting layer 42, and a second cathode 44.
  • the third stacked body 26 includes a third anode 50, a third organic EL light emitting layer 52, and a third cathode 54. In each laminated body, the arrangement of the anode and the cathode may be reversed.
  • the first anode 30, the first cathode 34, the second anode 40, the second cathode 44, and the third anode 50 are transparent electrodes made of ITO or the like, and the third cathode 54 is a metal electrode, for example, a third organic EL light emitting layer. It is an aluminum electrode obtained by vapor deposition of aluminum on 52.
  • the third cathode 54 is a transparent electrode and the third anode 50 is a metal electrode.
  • the first organic EL light emitting layer 32 of the first stacked body 18 is configured to be capable of emitting blue light, specifically light having a main wavelength of 450 nm to 485 nm.
  • a voltage is applied to the first organic EL light emitting layer 32 using the first anode 30 and the first cathode 34, the first organic EL light emitting layer 32 emits blue light.
  • the second organic EL light emitting layer 42 of the second stacked body 22 is configured to emit light of a turquoise color, specifically, light having a dominant wavelength of 490 nm to 498 nm.
  • a voltage is applied to the second organic EL light emitting layer 42 using the second anode 40 and the second cathode 44, the second organic EL light emitting layer 42 emits turquoise light.
  • the third organic EL light emitting layer 52 of the third stacked body 26 is configured to be capable of emitting red light, specifically light having a dominant wavelength of 610 nm to 640 nm.
  • the third organic EL light emitting layer 52 emits red light.
  • first organic EL light emitting layer 32, the second organic EL light emitting layer 42, and the third organic EL light emitting layer 52 are configured to be capable of emitting blue, turquoise, and red light, respectively.
  • any one of the three organic EL light emitting layers may be configured to be capable of emitting light of blue, one of which is turquoise, and one of which is red.
  • the light emitted by each organic EL light emitting layer is combined and the light recognized as a single color is emitted.
  • the light emitted from the flexible substrate 16 exhibits a color according to the brightness of the light emitted by each organic EL light emitting layer, in other words, a color according to the voltage applied to each organic EL light emitting layer.
  • FIG. 3 is a block diagram showing a lamp system 200 including the vehicle lamp 100 of FIG.
  • the lamp system 200 includes a battery 202, an illuminance sensor 204, a vehicle ECU 206, and the vehicle lamp 100 described above.
  • Illuminance sensor 204 detects the illuminance around the vehicle.
  • the vehicle ECU 206 controls the vehicle lamp 100 in an integrated manner. From the vehicle ECU 206 to the vehicular lamp 100, a command S1 for turning on / off the lamp, command information S2 indicating whether the vehicle is in automatic operation or manual operation, and illuminance indicating the illuminance around the vehicle Information S3 and the like are transmitted.
  • the vehicle lamp 100 further includes a switch 120 and a control unit 122.
  • the light emitting device 10 further includes a lighting circuit 124.
  • the switch 120, the control unit 122, and the lighting circuit 124 may be provided inside the lamp chamber 110 or outside the lamp chamber 110, respectively.
  • the switch 120 is provided on a power supply path from the battery 202 to the lighting circuit 124, and is turned on / off according to a control signal S4 from the control unit 122.
  • the switch 120 is turned on when the light emitting device 10 is on.
  • the control unit 122 generates the control signal S4 to the switch 120 based on the turn-on / off command S1 from the vehicle ECU 206.
  • control unit 122 individually controls the brightness of the light emitted from each organic EL light emitting layer of each stack based on the operation mode information S2 and the illuminance information S3 from the vehicle ECU 206, and each organic EL light emitting layer. Adjusts the chromaticity of the combined light from the lights. Specifically, the control unit 122 generates the dimming signal S5 based on the operation mode information S2 and the illuminance information S3. The lighting circuit 124 supplies a drive voltage according to the dimming signal S5 to each laminated body.
  • the control unit 122 When the driving mode information S2 indicates that the vehicle is in automatic driving, the control unit 122 does not depend on the illuminance indicated by the illuminance information S3, that is, the surroundings of the vehicle are bright (for example, daytime) or dark (for example, at night). Regardless of whether it is present or not), a dimming signal S5 for causing the light emitting device 10 to emit turquoise light for notifying the surroundings that the vehicle is in automatic operation. Specifically, the control unit 122 generates the dimming signal S5 that supplies the drive voltage only to the second stacked body 22.
  • control unit 122 indicates that the driving mode information S2 indicates that the vehicle is in manual driving, and the illuminance indicated by the illuminance information S3 is equal to or more than a predetermined threshold, that is, when the surroundings of the vehicle are bright in the daytime, for example.
  • a dimming signal S5 that causes the light-emitting device 10 to emit white combined light as a time running lamp is generated.
  • control unit 122 indicates that the driving mode information S2 indicates that the vehicle is in manual driving, and the illuminance indicated by the illuminance information S3 is less than a predetermined threshold, that is, for example, the surroundings of the vehicle are dark at night or in a tunnel.
  • a predetermined threshold that is, for example, the surroundings of the vehicle are dark at night or in a tunnel.
  • the dimming signal S5 for causing the light emitting device 10 to emit the white combined light as the position lamp is generated.
  • the battery voltage from the battery 202 is supplied to the lighting circuit 124 via the switch 120.
  • the lighting circuit 124 raises or lowers the battery voltage according to the dimming signal S5 generated by the control unit 122, and supplies an individual drive voltage to each stacked body of the light emitting device 10.
  • one light emitting device 10 can be used as an automatic operation display lamp, a daytime running lamp, or a position lamp. That is, one light emitting device 10 can be shared as an automatic operation display lamp and a conventional marker lamp. Therefore, it is possible to avoid a problem in the installation place of the automatic operation display lamp. Further, the cost can be reduced as compared with the case where a dedicated light emitting device is provided for each lamp.
  • the vehicle body 2 having a three-dimensional curved shape is not so (for example, a 2.5-dimensional shape).
  • the organic EL panel 12 can be attached. Further, by covering the organic EL panel 12 with the translucent cover 106, deterioration of the organic EL panel 12 due to ultraviolet rays can be suppressed.
  • FIG. 4 is a schematic cross-sectional view showing a vehicular lamp 300 and its surroundings according to a modification.
  • the vehicular lamp 300 includes a housing 302 and the light emitting device 10.
  • the housing 302 has a bottomed cup shape in which an outer peripheral wall portion 304 and a bottom portion 306 are integrally formed, and the bottom portion 306 is attached to the vehicle body 2 with the lamp front. At least the bottom portion 306 is formed of a translucent material. It can be said that the housing 302 is a member in which the base and the translucent cover are integrated as described in the first embodiment.
  • the outer peripheral wall portion 304 has a mounting surface 304a on the side opposite to the bottom portion 306.
  • the mounting surface 304a has a three-dimensional curved surface shape corresponding to the portion 2a of the vehicle body 2 with which the mounting surface 304a abuts.
  • the bottom portion 306 is configured to prevent ultraviolet rays from entering the interior of the lamp chamber 310, similarly to the translucent cover 106 of the first embodiment.
  • the organic EL panel 12 of the light emitting device 10 is housed in a lamp room 310 formed between the housing 302 and the vehicle body 2.
  • the organic EL panel 12 is preferably fixed to the inner surface 306b so that there is no gap between the emitting surface 12a and the inner surface 306b of the bottom portion 306, as shown in the figure. This prevents moisture from entering between the emission surface 12a of the organic EL panel 12 and the inner surface 306b of the bottom portion 306, and the inner surface portion of the inner surface 306b of the bottom portion 306 that faces the emission surface 12a of the organic EL panel 12. Can be prevented from clouding.
  • the organic EL panel 12 may be adhesively fixed to the bottom portion 306 by a transparent adhesive member, for example, a highly transparent double-sided tape or a transparent silicon sheet.
  • the same effect as that of the first embodiment can be obtained. Further, according to this modification, since the housing 102 is composed of a single component, the number of components can be reduced.
  • the present invention is not limited to this, and the light emitting device 10 includes a plurality of first stacked bodies.
  • the laminated body 18, the plurality of second laminated bodies 22 and the plurality of third laminated bodies 26 may be provided, and they may be arranged without being laminated.
  • FIG. 5A is a plan view showing a schematic structure of an organic EL panel 12 of a light emitting device 10 according to a modification
  • FIG. 5B is a sectional view taken along the line AA of FIG. 5A.
  • the plurality of first stacked bodies 18, the plurality of second stacked bodies 22, and the plurality of third stacked bodies 26 are arranged in a matrix.
  • the light emitted from each organic EL light-emitting layer is the combined light from the light-emitting surface 16a of the flexible substrate 16 (that is, the light-emitting surface 12a of the organic EL panel 12).
  • the light recognized as one color is emitted.
  • the light emitting device 10 includes the organic EL panel, that is, the case where each light emitting unit of the light emitting device 10 is the organic EL light emitting layer has been described, but the present invention is not limited thereto.
  • the light emitting device 10 may include an arbitrary light emitting unit that emits blue, turquoise, and red light, for example, an LED (light emitting diode) or an LD (laser diode).
  • the device 10 may be used as both the automatic operation display lamp and at least one arbitrary lamp other than the automatic operation display lamp.
  • the optional lamp may be, for example, a beacon lamp such as a daytime running lamp, a position lamp, a turn signal lamp, a tail lamp, or a head lamp or a brake lamp.
  • a series (product group) of light emitting devices for vehicle lighting includes first to Nth (N is an integer of 2 or more) light emitting devices. Each light emitting device may or may not be provided in the same vehicular lamp.
  • the i-th (1 ⁇ i ⁇ N) light-emitting device includes an i-th organic EL panel and an i-th lighting circuit.
  • the first organic EL panel to the Nth organic EL panel are configured similarly to the organic EL panel 12 of the first embodiment. Further, the first organic EL panel to the Nth organic EL panel are formed as common members (that is, the shapes, dimensions, configurations of components, etc. are the same in design).
  • the first lighting circuit of the first light emitting device controls the first organic EL panel to emit light having a dominant wavelength in the range of 490 nm to 498 nm so that the first light emitting device functions as a lamp for automatic operation display. Composed.
  • the lighting circuits of the second light emitting device to the Nth light emitting device respectively include the second light emitting device to the Nth light emitting device in a lamp different from the automatic operation display lamp (for example, a daytime running lamp, a position lamp, a turn signal lamp, Tail lamps, etc.) so as to control the second organic EL panel to the Nth organic EL panel so as to emit light having a main wavelength in a wavelength range different from that of the first light emitting device in order to function as mutually different lamps. Composed.
  • the automatic operation display lamp for example, a daytime running lamp, a position lamp, a turn signal lamp, Tail lamps, etc.
  • the organic EL panel can be shared by a plurality of light emitting devices in the series, the number of parts to be managed in the entire series can be suppressed, and the manufacturing cost and management cost in the entire series can be reduced.
  • the first stacked body, the second stacked body, and the third stacked body may be configured to be capable of emitting blue light, green light, and red light, respectively.
  • the present invention can be applied to a light emitting device and a light emitting device series of vehicle lighting.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Transportation (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Electroluminescent Light Sources (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Abstract

La présente invention concerne un dispositif électroluminescent (10) comprenant : une première unité électroluminescente qui émet de la lumière qui présente une longueur d'onde principale à 450-485 nm ; une deuxième unité électroluminescente qui émet de la lumière qui présente une longueur d'onde principale à 490-498 nm ; une troisième unité électroluminescente qui émet de la lumière qui présente une longueur d'onde principale à 610-640 nm ; et une unité de commande (122) qui commande individuellement la luminance de la lumière respective émise par les unités électroluminescentes, ce qui permet d'ajuster la chromaticité de la lumière synthétisée de la lumière respective émise par les unités électroluminescentes.
PCT/JP2019/039267 2018-10-19 2019-10-04 Dispositif électroluminescent et série de dispositifs électroluminescents pour appareils d'éclairage de véhicule WO2020080132A1 (fr)

Priority Applications (1)

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JP2020553060A JPWO2020080132A1 (ja) 2018-10-19 2019-10-04 発光装置および車両用灯具の発光装置シリーズ

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JP2018197759 2018-10-19
JP2018-197759 2018-10-19

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WO2020080132A1 true WO2020080132A1 (fr) 2020-04-23

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2022100926A (ja) * 2020-12-24 2022-07-06 本田技研工業株式会社 移動体
WO2023210417A1 (fr) 2022-04-26 2023-11-02 株式会社小糸製作所 Dispositif d'éclairage

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2020080132A1 (ja) * 2018-10-19 2021-09-09 株式会社小糸製作所 発光装置および車両用灯具の発光装置シリーズ

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JP2006351369A (ja) * 2005-06-16 2006-12-28 Stanley Electric Co Ltd 車両用灯具及びそのｌｅｄ光源
WO2016009958A1 (fr) * 2014-07-18 2016-01-21 コニカミノルタ株式会社 Élément électroluminescent organique
JP2017191769A (ja) * 2016-04-07 2017-10-19 株式会社小糸製作所 光源装置および車両用灯具
WO2017212852A1 (fr) * 2016-06-06 2017-12-14 コニカミノルタ株式会社 Élément électroluminescent organique et appareil d'éclairage de véhicules
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