JPH0429575B2 - - Google Patents

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Publication number
JPH0429575B2
JPH0429575B2 JP59084251A JP8425184A JPH0429575B2 JP H0429575 B2 JPH0429575 B2 JP H0429575B2 JP 59084251 A JP59084251 A JP 59084251A JP 8425184 A JP8425184 A JP 8425184A JP H0429575 B2 JPH0429575 B2 JP H0429575B2
Authority
JP
Japan
Prior art keywords
light
emitting diode
light emitting
lighting device
substrate
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.)
Expired - Lifetime
Application number
JP59084251A
Other languages
Japanese (ja)
Other versions
JPS59209931A (en
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 filed Critical
Publication of JPS59209931A publication Critical patent/JPS59209931A/en
Publication of JPH0429575B2 publication Critical patent/JPH0429575B2/ja
Granted legal-status Critical Current

Links

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
    • B60Q1/2696—Mounting of devices using LEDs
    • 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]
    • 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
    • B60Q2400/00—Special features or arrangements of exterior signal lamps for vehicles
    • B60Q2400/20—Multi-color single source or LED matrix, e.g. yellow blinker and red brake lamp generated by single lamp
    • 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
    • F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
    • F21S43/26—Refractors, transparent cover plates, light guides or filters not provided in groups F21S43/235 - F21S43/255
    • 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
    • F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
    • F21V9/08—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters for producing coloured light, e.g. monochromatic; for reducing intensity of light

Description

【発明の詳細な説明】 産業上の利用分野 本発明は、基板上又は基板内に設けられている
光源としての発光ダイオード又は発光ダイオード
チツプを備えた自動車用燈火装置、例えば自動車
用信号燈装置に関する。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a lighting device for an automobile, such as a signal light device for an automobile, which is provided with a light emitting diode or a light emitting diode chip as a light source provided on or in a substrate. .

従来技術 この種の装置は、ドイツ連邦共和国特許出願公
開第2732780号公報において、自動車の安全照明
装置について記載されている。その際、ルミネセ
ンスダイオードを装着した反射作用をするプリン
ト配線板が用いられている。このプリント配線板
には、ルミネセンスダイオードを接続するため
の、プリントされた又は慣用の電気配線が設けら
れている。このプリント配線板は、同時に照明装
置と電気回路とを含んでいる。プリント配線板上
に設けられたルミネセンスダイオードの所定の配
列により、数字、文字等を表示することができ
る。PRIOR ART A device of this type is described in German Patent Application No. 2732780 for a safety lighting device for a motor vehicle. In this case, reflective printed wiring boards equipped with luminescent diodes are used. This printed wiring board is provided with printed or conventional electrical wiring for connecting the luminescent diodes. This printed wiring board simultaneously contains a lighting device and an electrical circuit. Numbers, letters, etc. can be displayed by a predetermined arrangement of luminescent diodes provided on the printed wiring board.

さらに、ドイツ連邦共和国特許出願公開第
2837596号公報又はドイツ連邦共和国特許出願公
開第2837635号公報により発光ダイオード列は公
知である。これらの装置において発光ダイオード
は、指示のために用いられる。それらの発光ダイ
オードは、台板上に設けられた発光ダイオードチ
ツプにより構成されている。そしてそれらの発光
ダイオードチツプには、所定の光学的効果を達成
するために光拡散部材が設けられている。 In addition, the Federal Republic of Germany Patent Application Publication No.
Light-emitting diode arrays are known from German Patent Application No. 2837596 or German Patent Application No. 2837635. In these devices light emitting diodes are used for indication. These light emitting diodes are composed of light emitting diode chips mounted on a base plate. These light emitting diode chips are provided with a light diffusing member to achieve a predetermined optical effect.

発明が解決しようとする問題点 公知の装置においては、ルミネセンスダイオー
ドを装着した反射作用をするプリント配線板を用
いて、数字、文字等を表示したり、台板上に設け
られた発光ダイオードチツプに、所定の光学的効
果を達成するために光拡散部材を設けて指示を行
つているがスリーフエーズ発光ダイオードを用い
て発光色を変化して表示する自動車用燈火装置は
実現されていなかつた。Problems to be Solved by the Invention In known devices, numbers, letters, etc. are displayed using a reflective printed wiring board equipped with luminescent diodes, and a light emitting diode chip provided on a base plate is used to display numbers, characters, etc. In order to achieve a predetermined optical effect, a light diffusing member is provided to provide instructions, but an automobile lighting device that uses ThreeAze light emitting diodes to change and display the emitted color has not been realized.

本発明の課題は、スリーフエーズ発光ダイオー
ドを用いて種々の色の燈火を簡単に発生でき、し
かも同一の燈火面から所望の光を放射できる自動
車用燈火装置を提供することである。 SUMMARY OF THE INVENTION An object of the present invention is to provide a lighting device for an automobile that can easily generate lights of various colors using three-Aze light-emitting diodes and can emit desired light from the same lighting surface.

問題点を解決するための手段 上記課題は、本発明によれば、非励起状態にお
いては白色又は透明であり、種々の燈火ないし信
号機能のために少なくとも２つの異なる発光色を
有するスリーフエーズ発光ダイオードチツプを用
い、該発光ダイオードチツプはマトリクス状に共
通の基板上に設けられており、全燈火領域の種々
異なる部分が、異なる発光色および／または発光
強度を有する所望の輪郭を発生するために、所望
の信号色に相応して種々異なる電圧を供給するこ
とによつて、共通にまたは別個に制御されるよう
に構成して解決される。SUMMARY OF THE INVENTION According to the present invention, a three-phase light emitting diode chip is provided which is white or transparent in the non-excited state and has at least two different emission colors for various lighting or signal functions. The light emitting diode chips are arranged in a matrix on a common substrate, and different parts of the total lighting area are arranged as desired in order to generate the desired contours with different emission colors and/or emission intensities. The problem is solved by supplying different voltages depending on the signal color of the signals, so that they can be controlled in common or separately.

本発明による装置は、自動車の信号燈として用
いると特に有利である。なぜなら、自動車の信号
燈においては、例えば一方では尾燈や制動燈に対
して、他方では点滅燈に対して、異つた信号色が
必要とされるからである。そうした異なる信号色
は、本発明による構成によれば、同一の全光放射
面上に設けることができる。さらに、本発明によ
る構成は、自動車の光学的印象が、異つた種々の
拡散レンズが多数あつても障害を受けないという
利点を有する。なぜなら、用いられている、３つ
の表示状態（以下スリーフエーズと称する）を有
する発光ダイオードは、非励起状態においては、
例えば隣接する前照燈又は後退燈の色と類似した
白色又は透明の外観を有するからである。従つ
て、自動車の信号燈に白色又は透明な色を発生す
るために費用のかかる装置を、必要としない。 The device according to the invention is particularly advantageous when used as a signal light in a motor vehicle. This is because, in the case of motor vehicle signal lights, different signal colors are required, for example for tail lights and brake lights on the one hand, and for flashing lights on the other hand. Such different signal colors can be provided on the same total light emitting surface according to the arrangement according to the invention. Furthermore, the arrangement according to the invention has the advantage that the optical impression of the motor vehicle is not impaired even by the presence of a large number of different diffusing lenses. This is because the used light-emitting diode, which has three display states (hereinafter referred to as three-Azes), in the non-excited state,
For example, it has a white or transparent appearance similar to the color of an adjacent headlight or reversing light. Therefore, there is no need for expensive equipment to produce white or transparent colors in motor vehicle signal lights.

さらにまた、本発明によりスリーフエーズ発光
ダイオードを使用すれば、費用を付加することな
しに、所定の走行状態を指示することができる。
どのアノードリード線が電圧を供給されるかに応
じて、赤色及び緑色又は赤色及び黄色に発光する
スリーフエーズ発光ダイオードが市販されてい
る。さらに、２つのアノードが同時に電圧を供給
されると、混色が行われ、その結果、例えば赤色
と緑色の混色として黄色が生じる。その際、尾燈
又は制動燈として赤い燈火を用いたり、点減燈と
して黄色い燈火を用いた従来の指示装置の他に、
例えば緑色の光を発光する走行状態指示装置を設
けることができる。この走行状態指示装置は、先
行する自動車が非制動状態又は制動準備状態にあ
ることを、後続の自動車に対して指示する。 Furthermore, the use of three-phase light-emitting diodes according to the invention makes it possible to indicate certain driving conditions without additional costs.
Three-Aze light-emitting diodes are commercially available that emit red and green or red and yellow light, depending on which anode lead is supplied with voltage. Moreover, when the two anodes are energized at the same time, a color mixture takes place, resulting in yellow, for example, as a mixture of red and green. At this time, in addition to the conventional indicating devices using red lights as taillights or brake lights and yellow lights as dimming lights,
For example, a driving state indicating device that emits green light can be provided. This driving state indicating device indicates to a following vehicle that the preceding vehicle is in a non-braking state or in a braking preparation state.

本発明による自動車用燈火装置の有利な構成
は、次のようにして行われる。即ち、デイスクリ
ート発光ダイオードの代りに、多数の発光ダイオ
ードチツプをマトリクス状に、共通の基板上へ配
置することにより行われる。その際、発光ダイオ
ードチツプを、基板上の反射するコーテイング面
上へ配置すると効果的である。なぜなら、この場
合、光の放射は所望の方向に特に強く行われるか
らである。共通の基板上に設けられた発光ダイオ
ードチツプの装置は、個々のデイスクリート発光
ダイオードを用いるよりも生産技術上有利であ
り、それゆえ、本発明による燈火装置の全構成を
本質的に簡単にしかつ安価にできる。前記、反射
するコーテイング面は、蒸着又はスパツタリング
されたメタルコーテイング面、有利にはアルミニ
ウムコーテイング面により形成できる。これは、
自動車用燈火のための他のミラーコーテイング面
より公知である。基板として、導電性金属板、有
利には銅板が用いられている。この基板は、同時
に、発光ダイオードチツプに対する電気リード線
を形成している。基板の盆地状のくぼみ内に配置
された発光ダイオードのための保護被覆として、
有利にはポリエステル又は珪素樹脂で構成された
共通の透明なプラスチツク層が用いられている。
特別な光拡散効果を達成するために、既述の透明
なプラスチツク層の表面を節状やいぼ状その他の
形に形成することができる。しかし個々の場合に
対する所定の光拡散は、プラスチツク層の上方に
配置された別個の拡散レンズによつて行うのが効
果的である。 An advantageous embodiment of the motor vehicle lighting device according to the invention is carried out as follows. That is, instead of discrete light emitting diodes, a large number of light emitting diode chips are arranged in a matrix on a common substrate. In this case, it is advantageous to arrange the light emitting diode chips on the reflective coating surface of the substrate. This is because in this case the light emission is particularly strong in the desired direction. The arrangement of light-emitting diode chips on a common substrate has production technology advantages over the use of individual discrete light-emitting diodes and therefore simplifies and simplifies the overall construction of the lighting device according to the invention. It can be done cheaply. The reflective coating surface can be formed by a vapor-deposited or sputtered metal coating surface, preferably an aluminum coating surface. this is,
Other mirror coating surfaces for motor vehicle lights are known. The substrate used is an electrically conductive metal plate, preferably a copper plate. This substrate also forms the electrical leads for the light emitting diode chips. As a protective coating for light emitting diodes placed in the basin-like recess of the substrate,
A common transparent plastic layer, preferably composed of polyester or silicone resin, is used.
In order to achieve special light-diffusing effects, the surface of the transparent plastic layer described can be shaped into knots, warts or other shapes. However, it is advantageous to achieve a certain light diffusion for each case by means of a separate diffusion lens arranged above the plastic layer.

実施例 第１図の１０は、スリーフエーズ発光ダイオー
ドの全体を示す。このスリーフエーズ発光ダイオ
ードは、基板１１と、この基板１１上に光放射方
向に配置された光拡散キヤツプ１２とを有し、か
つ第１のアノードに対する端子１３、第２のアノ
ードに対する端子１４、カソードに対する端子１
５を有している。第２図は、スリーフエーズ発光
ダイオード１０の回路構成を示す。２つのアノー
ドは１３，１４で、カソードは１５で示してあ
る。１６，１７には本来の発光ダイオードが回路
記号で示されている。Embodiment 10 in FIG. 1 shows the entire ThreeAze light emitting diode. This ThreeAze light emitting diode has a substrate 11 and a light diffusing cap 12 arranged on the substrate 11 in the direction of light emission, and has a terminal 13 for a first anode, a terminal 14 for a second anode, and a terminal for a cathode. terminal 1
5. FIG. 2 shows the circuit configuration of the ThreeAze light emitting diode 10. As shown in FIG. The two anodes are shown at 13, 14 and the cathode at 15. At 16 and 17, original light emitting diodes are shown with circuit symbols.

この種のスリーフエーズ発光ダイオードとして
は、例えばテレフンケン社製の型名CQX31又は
CQX32が入手できる。前者のスリーフエーズ発
光ダイオードは、アノード１３又は１４への電圧
供給に応じて、選択的に赤又は緑の光を放射し、
他方後者のスリーフエーズ発光ダイオードは、選
択的に赤又は黄色の光を放射する。２つのアノー
ド１３，１４に同時に電圧が供給されると、混色
が放射される。緑と赤の組合せの場合にはこの混
色は、自動車において点滅信号に用いられる黄色
いランプの色となる。各アノードに供給される電
圧は、用いられるスリーフエーズ発光ダイオード
の型に依存して1.5V乃至2.5Vの直流電圧であり、
また、個々のスリーフエーズ発光ダイオード又は
相応のスリーフエーズ発光ダイオードチツプの寸
法は、約５×５mm2である。 Examples of this type of ThreeAze light-emitting diode include model name CQX31 manufactured by Telefunken Co., Ltd.
CQX32 is available. The former three-Aze light emitting diode selectively emits red or green light depending on the voltage supply to the anode 13 or 14,
On the other hand, the latter three-phase light emitting diodes selectively emit red or yellow light. When voltage is supplied to the two anodes 13, 14 at the same time, mixed colors are emitted. In the case of a combination of green and red, this color mixture results in the color of the yellow lamps used for flashing signals in automobiles. The voltage supplied to each anode is a DC voltage of 1.5V to 2.5V depending on the type of ThreeAze light emitting diode used;
Furthermore, the dimensions of an individual ThreeAze light-emitting diode or a corresponding ThreeAze light-emitting diode chip are approximately 5×5 mm 2 .

第３図の２０は、基板を示す。この基板上に、
プレートの大きさに応じて、相応の数の個別のス
リーフエーズ発光ダイオード又は発光ダイオード
チツプ２１が配置されている。これらの発光ダイ
オードより成る全装置は、所望の燈火及び／又は
信号機能のために、種々に小区分することができ
る。第３図に示す装置においては、発光ダイオー
ドの２通りの異なる区分の仕方が図示されてい
る。即ち、垂直に分割された領域２２，２３，２
４は、尾燈／赤色、点滅燈／黄色、制動燈／赤色
の各機能に相応して分割されている。その都度電
圧を供給される部分２２，２３，２４の総面積に
対応して、アナログ的に、相応の光の強さが生じ
る。発光ダイオードの別の区分は次のように行わ
れている。即ち、ほぼ円形をした領域２５は、別
個に接続可能であつて、例えば、赤色の制動燈又
は後退燈の内部に黄色の点滅光を発生するための
ものである。黄色を発生するために、通常選択的
に緑色又は赤色に発光するスリーフエーズ発光ダ
イオードの２つのアノードに、電圧が供給され
る。この装置の２つのプラス端子は、２６，２７
で、又、マイナス端子は２８で示されている。第
３図に示す装置においては、プラス端子とマイナ
ス端子との間にそれぞれ10個の発光ダイオード又
は発光ダイオードチツプが直列に接続されてお
り、24Vの電圧が印加されている。１つの行に並
置されたスリーフエーズ発光ダイオードは、すべ
て第１の直列接続に対して並列に接続されてい
る。 20 in FIG. 3 indicates a substrate. On this board,
Depending on the size of the plate, a corresponding number of individual three-phase light emitting diodes or light emitting diode chips 21 are arranged. The entire device consisting of these light emitting diodes can be subdivided in various ways depending on the desired lighting and/or signaling function. In the device shown in FIG. 3, two different ways of partitioning the light emitting diodes are illustrated. That is, vertically divided areas 22, 23, 2
4 is divided according to the functions of tail lights/red, flashing lights/yellow, and brake lights/red. Corresponding to the total area of the sections 22, 23, 24 which are each supplied with a voltage, a corresponding light intensity occurs analogously. Another classification of light emitting diodes is carried out as follows. That is, the approximately circular area 25 is separately connectable and is for example for generating a yellow flashing light inside a red brake light or reversing light. To generate the yellow color, a voltage is applied to the two anodes of a three-phase light emitting diode, which typically selectively emits green or red light. The two positive terminals of this device are 26, 27
Also, the negative terminal is shown at 28. In the device shown in FIG. 3, ten light emitting diodes or light emitting diode chips are each connected in series between a positive terminal and a negative terminal, to which a voltage of 24 V is applied. The three-phase light emitting diodes juxtaposed in one row are all connected in parallel to the first series connection.

第３図を用いて説明した信号の色領域は、１つ
の実施例にすぎない。この実施例においては、
種々の信号機能に対する通常の又は法的に規定さ
れた光の強さが考慮されており、通常の尾燈を点
燈する場合、制動状態に相応して減じられた発光
ダイオードの成分に電圧が供給される。尾燈の領
域２２は、点滅燈の領域２３の約半分に相当し、
また制動燈の領域２４の約1/4に相当している。 The signal color range described using FIG. 3 is only one example. In this example,
The normal or legally prescribed light intensities for the various signal functions are taken into account, and when lighting a normal taillight, a voltage is supplied to the component of the light emitting diode which is reduced according to the braking condition. be done. The tail light area 22 corresponds to about half of the flashing light area 23,
It also corresponds to about 1/4 of the area 24 of the brake light.

自動車の燈火において今日用いられている信号
の色の他に、本発明による装置においては、先行
する自動車が安全に進行運転されていることを示
す信号として、例えば全体で緑色の信号を発する
こともできる。また、全燈火面をさらに区分し
て、比較的軽い又は強い制動過程を、相応の弱目
又は強目の赤い制動燈の光で指示することができ
る。また別の変形も同様に可能である。 In addition to the signal colors currently used in motor vehicle lights, the device according to the invention may also emit, for example, a completely green signal as a signal that the vehicle in front is being driven safely. can. In addition, the entire light surface can be further divided to indicate relatively light or strong braking processes with a correspondingly weak or strong red brake light light. Other variations are possible as well.

第４図に示す３０は、基板を表わす。この基板
は、多数のスリーフエーズ発光ダイオードチツプ
３１をくぼみ３２内に収容している。くぼみ３２
を含めた基板３０の全表面には、アルミニウムミ
ラー面３３が設けられており、これは、発光ダイ
オードから放射される光を所定の方向に、放物面
反射器のように反射するために用いられる。３４
は、個々の発光ダイオードチツプ３１の間の接続
線を示す。基板３０は、有利には導電材料、例え
ば銅より構成されており、それゆえ直接に、有利
には接地されたカソードとして、回路装置に含め
ることができる。発光ダイオードチツプ３１の全
装置は、ダイオードを保護するために、プラスチ
ツク層３５で被われている。光拡散効果は、本質
的に、別個の拡散レンズ３７によつて生じる。こ
の拡散レンズ３７は、空気層３６を隔ててチツプ
３１の上方に配置されている。このように構成す
れば、光拡散キヤツプ３８を燈火装置の内方へ向
けて配置することもできる。そうすることによ
り、全燈火装置の表面の清掃が容易となる。 30 shown in FIG. 4 represents a substrate. The substrate houses a number of three-phase light emitting diode chips 31 in recesses 32. hollow 32
The entire surface of the substrate 30 including It will be done. 34
shows connection lines between individual light emitting diode chips 31. The substrate 30 is preferably made of an electrically conductive material, for example copper, and can therefore be included directly in the circuit arrangement, preferably as a grounded cathode. The entire arrangement of light emitting diode chips 31 is covered with a plastic layer 35 to protect the diodes. The light diffusing effect is essentially caused by a separate diffusing lens 37. This diffusing lens 37 is placed above the chip 31 with an air layer 36 in between. With this configuration, the light diffusion cap 38 can also be placed toward the inside of the lighting device. This makes it easier to clean the surface of the entire lighting device.

第４図から明らかなように、共通の充填材料と
共通の拡散レンズとを備えた、発光ダイオードチ
ツプより構成されたマトリクス状の装置の方が、
個々の発光ダイオードを用いるよりも、製造、費
用の点で有利である。また、特殊な燈火装置の小
さな直列接続には個別素子を使用するのが効果的
である。これは、汚れがごく僅かしか生じない個
所にあてはまる。個別素子は、所定の拡散効果を
損うことなく共通に被覆することはできないが、
場合によつては共通の被覆部を設けることができ
る。 As is clear from FIG. 4, a matrix-like device composed of light-emitting diode chips with a common filling material and a common diffusing lens
This is more advantageous in terms of manufacturing and cost than using individual light emitting diodes. It is also advantageous to use individual elements for small series connections of special lighting devices. This applies where only a small amount of dirt occurs. Although the individual elements cannot be coated in common without impairing the desired diffusion effect,
In some cases, a common covering can be provided.

第５図は、自動車の燈火装置を構成するための
別の実施例を示す。この実施例の場合、基板４０
の上に、４つの異なる燈火面４１，４２，４３，
４４が設けられている。燈火面４１，４２，４３
は、例えば尾燈、点滅燈、制動燈として構成さ
れ、燈火面４４は、例えば後退燈を形成してい
る。白色の後退燈は、無色又は白色の燈火の美観
を損わず、また性能に関して後退燈には大した要
求は課されていないので、本実施例では、発光ダ
イオード領域４１乃至４３及び、後方に白熱電球
を備えた従来の光放射領域４４を組合せた装置を
設けてもよい。この発光ダイオード装置の上述の
信頼度の高い機能により、無色の構成素子で構成
された燈火装置の美的効果と並んで、著しい技術
的進歩が達成される。即ち、個々の発行ダイオー
ドが故障しても、装置全体としてはその性能を余
り失わない。このことは、個々の白熱電球が故障
した場合も同様である。従つて、本発明による燈
火装置を用いれば、種々に変化可能な信号機能が
得られる他に、安全性が実質的に高められる。 FIG. 5 shows another embodiment for constructing a lighting device for a motor vehicle. In this embodiment, the substrate 40
Above, there are four different light planes 41, 42, 43,
44 are provided. Light surface 41, 42, 43
are constructed, for example, as taillights, flashing lights or brake lights, and the light surface 44 forms, for example, a reversing light. Since the white reversing light does not detract from the aesthetic appearance of colorless or white lights, and there are no great requirements placed on the reversing light in terms of performance, in this embodiment, the light emitting diode areas 41 to 43 and the rear A device combining a conventional light emitting area 44 with an incandescent lamp may be provided. The above-mentioned reliable functionality of this light-emitting diode device, together with the aesthetic effect of lighting devices constructed from colorless components, represents a significant technological advance. That is, even if an individual firing diode fails, the device as a whole does not lose much of its performance. This also applies when individual incandescent light bulbs fail. With the lighting device according to the invention, therefore, in addition to a variable signaling function, safety is substantially increased.

発明の効果 本発明による自動車用燈火装置は、所定の、
種々の色の燈火を簡単に発生でき、その際同一の
燈火面から所望の光を放射できる。それにより光
の強さの強い燈火効果が得られる。その理由は、
異なる燈火の色を発生するために種々の燈火部分
を並列させる必要がなく、全燈火面を光放射に用
いることができるからである。Effects of the Invention The automobile lighting device according to the present invention has a predetermined
Lights of various colors can be easily generated and the desired light can be emitted from the same light surface. This creates a lamp effect with strong light intensity. The reason is,
This is because there is no need to juxtapose various lamp sections to generate different lamp colors, and the entire lamp surface can be used for light emission.

【図面の簡単な説明】[Brief explanation of drawings]

第１図は、スリーフエーズを有する発光ダイオ
ードの外部構成の略図、第２図は、スリーフエー
ズを有する発光ダイオードの回路構成の略図、第
３図は、同一の燈火面上で種々の信号色を達成す
るための、スリーフエーズを有する発光ダイオー
ドを備えた本発明による自動車用燈火装置の第１
の実施例を示す図、第４図は、本発明による自動
車用燈火装置の一部の拡大縦断面略図、第５図
は、自動車用信号燈に対する本発明の別の実施例
の正面略図を表わす。 １０…スリーフエーズを有する発光ダイオー
ド、１１…基板、１２…光拡散キヤツプ、１３，
１４…アノード、１５…カソード、１６，１７…
発光ダイオード、２０…基板、２１…発光ダイオ
ードチツプ、３０…基板、３１…スリーフエーズ
の発光ダイオードチツプ、３２…くぼみ、３３…
アルミニウムミラーコーテイング面、３４…接続
線、３５…プラスチツク層、３６…空気層、３７
…拡散レンズ、３８…光拡散キヤツプ、４０…基
板、４１，４２，４３，４４…燈火面。 FIG. 1 is a schematic diagram of the external configuration of a light emitting diode with three azes, FIG. 2 is a schematic diagram of the circuit configuration of a light emitting diode with three azes, and FIG. 3 is a diagram of achieving different signal colors on the same lighting surface. A first aspect of the automotive lighting device according to the present invention comprising a light emitting diode with three azes for
FIG. 4 is a schematic enlarged vertical cross-sectional view of a part of a lighting device for a vehicle according to the present invention, and FIG. 5 is a schematic front view of another embodiment of the present invention for a signal light for a vehicle. . DESCRIPTION OF SYMBOLS 10...Light emitting diode with three aids, 11...Substrate, 12...Light diffusion cap, 13,
14... Anode, 15... Cathode, 16, 17...
Light emitting diode, 20...Substrate, 21...Light emitting diode chip, 30...Substrate, 31...Three AID light emitting diode chip, 32...Indentation, 33...
Aluminum mirror coating surface, 34... Connection wire, 35... Plastic layer, 36... Air layer, 37
... Diffusing lens, 38... Light diffusing cap, 40... Substrate, 41, 42, 43, 44... Lighting surface.

Claims (1)

【特許請求の範囲】 １ 基板上又は基板内に設けられている光源とし
ての発光ダイオード又は発光ダイオードチツプを
備えた自動車用燈火装置において、 非励起状態においては白色又は透明であり、
種々の燈火ないし信号機能のために少なくとも２
つの異なる発光色を有するスリーフエーズ発光ダ
イオードチツプ１０，２１，３１を用い、 該発光ダイオードチツプ１０，２１，３１はマ
トリクス状に共通の基板３０上に設けられてお
り、 全燈火領域の種々異なる部分２２乃至２５；４
１乃至４４が、異なる発光色および／または発光
強度を有する所望の輪郭を発生するために、所望
の信号色に相応して種々異なる電圧を供給するこ
とによつて１３，１４，１５；２６，２７，２
８、共通にまたは別個に制御されることを特徴と
する自動車用燈火装置。 ２ 制動燈、点滅燈の様な信号燈として用いる
か、又は加速、走行、制動といつた種々の走行状
態に対する種々の燈火色を有する走行状態指示燈
として用いた、特許請求の範囲第１項記載の自動
車用燈火装置。 ３ 発光ダイオードチツプ３１が、基板３０上の
反射コーデイング面３３に設けられている、特許
請求の範囲第１項記載の自動車用燈火装置。 ４ 基板３０上の反射コーテイング面３３が、蒸
着又はスパツタリングされたメタルコーテイング
面によつて形成されている、特許請求の範囲第３
項記載の自動車用燈火装置。 ５ 発光ダイオードチツプ３１を、基板３０の盆
地状のくぼみ３２内に設け、かつ透明なプラスチ
ツク層３５で共通に被覆した、特許請求の範囲第
３項または第４項記載の自動車用燈火装置。[Claims] 1. A lighting device for an automobile equipped with a light emitting diode or a light emitting diode chip as a light source provided on or in the substrate, which is white or transparent in an unexcited state;
At least 2 for various light or signal functions
Three Aze light-emitting diode chips 10, 21, 31 with different luminous colors are used, the light-emitting diode chips 10, 21, 31 are arranged in a matrix on a common substrate 30, and different parts 22 of the total lighting area are used. 〜25;4
1 to 44 by supplying different voltages corresponding to the desired signal color in order to generate the desired contours with different emission colors and/or emission intensities 13, 14, 15; 26, 27,2
8. An automobile lighting device characterized in that it is commonly or separately controlled. 2. Claim 1, which is used as a signal light such as a brake light or a flashing light, or as a driving state indicator light having various light colors for various driving states such as acceleration, running, and braking. The automotive lighting device described. 3. The lighting device for a motor vehicle according to claim 1, wherein the light emitting diode chip 31 is provided on a reflective coding surface 33 on the substrate 30. 4. Claim 3, wherein the reflective coating surface 33 on the substrate 30 is formed by a vapor-deposited or sputtered metal coating surface.
Automobile lighting device as described in Section 1. 5. A lighting device for a motor vehicle as claimed in claim 3 or 4, wherein a light emitting diode chip 31 is provided in a basin-shaped recess 32 of a substrate 30 and is commonly covered with a transparent plastic layer 35.
JP59084251A 1983-04-30 1984-04-27 Light device for automobile Granted JPS59209931A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3315785.5 1983-04-30
DE3315785A DE3315785A1 (en) 1983-04-30 1983-04-30 MOTOR VEHICLE LIGHT

Publications (2)

Publication Number Publication Date
JPS59209931A JPS59209931A (en) 1984-11-28
JPH0429575B2 true JPH0429575B2 (en) 1992-05-19

Family

ID=6197826

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59084251A Granted JPS59209931A (en) 1983-04-30 1984-04-27 Light device for automobile

Country Status (4)

Country Link
JP (1) JPS59209931A (en)
DE (1) DE3315785A1 (en)
FR (1) FR2545195B1 (en)
GB (1) GB2139340B (en)

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GB8405698D0 (en) 1984-04-11
DE3315785A1 (en) 1984-11-08
FR2545195B1 (en) 1988-04-08
GB2139340A (en) 1984-11-07
DE3315785C2 (en) 1988-09-08
FR2545195A1 (en) 1984-11-02
JPS59209931A (en) 1984-11-28
GB2139340B (en) 1986-09-03

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