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JPS59209931A - Light device for automobile - Google Patents

Light device for automobile

Info

Publication number
JPS59209931A
JPS59209931A JP59084251A JP8425184A JPS59209931A JP S59209931 A JPS59209931 A JP S59209931A JP 59084251 A JP59084251 A JP 59084251A JP 8425184 A JP8425184 A JP 8425184A JP S59209931 A JPS59209931 A JP S59209931A
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.)
Granted
Application number
JP59084251A
Other languages
Japanese (ja)
Other versions
JPH0429575B2 (en
Inventor
テイルマン・シユピングラ−
ヴオルフガング・クリ−ク
カ−ル−ハインツ・デイゲル
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
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]
    • 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
    • F21S43/281—Materials thereof; Structures thereof; Properties thereof; Coatings thereof
    • F21S43/28135—Structures encapsulating the light source
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Engineering (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

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（・る光源と
しての発光ダイオード又は発光ダイオードチップを備え
た自動車用燈火装置１例えば自動車用燈火装置に関する
。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a lighting device for an automobile 1, for example, a lighting device for an automobile, which is provided on or in a substrate and is provided with a light emitting diode or a light emitting diode chip as a light source. Regarding.

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２７
３２７８’０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
ドを装着した反身寸ダ「用をするプリント配線板が用い
られて℃・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 kind is disclosed in German Patent Application No. 27
Publication No. 3278'0 describes a safety lighting system for automobiles. In this case, a printed wiring board is used which is equipped with luminescent diodes and is equipped with a printed or conventional electrical circuit for connecting the luminescent diodes. Wiring is provided.This printed wiring board is
At the same time, it contains a lighting device and an electric 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２８６７５９
６号公報又はトイ゛ン連邦共和国特許出願公開第２８ろ
７６ろ５号公報により発光ダイオード列は公知である。Additionally, Federal Republic of Germany Patent Application No. 286759
Light-emitting diode arrays are known from the publication No. 6 or from the Federal Republic of Toys Patent Application No. 28-76-5.

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℃・もれる。それらの発光ダイオードは、合板上に設
けられた発光ダイオードチップにより構成されている。In these devices, light emitting diodes are used for indication purposes. These light emitting diodes are constructed from light emitting diode chips mounted on plywood.

そしてそれらの発光ダイオ−トチ゛ノゾには、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
。These light emitting diode chips are provided with light diffusing members in order to achieve a predetermined optical effect.

発明が解決しようとする問題点 公知の装装置においては、ルミネセンスタゝ゛イオード
を装着した反射作用をするプリント配線板　。Problems to be Solved by the Invention A known device is a reflective printed circuit board equipped with luminescent diodes.

を用いて、数字、文字等を表示したり、合板」二に設け
られた発光ダイオ−トチ・ンプに、所定の光学的効果を
達成するために光拡散部材を設Ｇすて指示を行っている
がスリーフェ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った
。can be used to display numbers, letters, etc., or to instruct a light-emitting diode chip installed on a plywood board to install a light diffusing member to achieve a predetermined optical effect. However, an automobile lighting device that uses three-phase light emitting diodes to change and display the emitted light color has not been realized.

本発明の課題は、スリ−７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 a vehicle that can easily generate lights of various colors using 3-7A 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の
少くとも２つの異る・雑光色を有するスリ−７エーズ発
光ダイオードを用い、所望の信号色に相応して前記スリ
ーフェーズ発光ダイオードの一端子に種々の電圧を供給
して前記スリーフェーズを有する発光ダイオードを制御
するようにすることにより解決される。Means for Solving the Problems According to the invention, the object is white or transparent in the unexcited state and has at least two different/miscellaneous colors for various lighting or signal functions. The problem is solved by using a three-7A light emitting diode and controlling the three-phase light emitting diode by supplying various voltages to one terminal of the three-phase light emitting diode according to a desired signal color. Ru.

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、他方では点滅棋
に対して、異っ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、異った種々の
拡散レンズが多数あっ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、６つの表示状態（
以下スリーフェーズと称する）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。従って、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 car signal lights,
For example, different signal colors are required for taillights or 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 by the presence of a large number of different diffusing lenses. This is because the six display states used (
This is because, in the unexcited state, a light emitting diode with three phases (hereinafter referred to as three-phase) has a white or transparent appearance, for example similar to the color of an adjacent headlight or reversing light. Therefore, no expensive equipment is required to generate white or transparent colors in the car signal light.

さらにまた、本発明によりスリーフェーズ発光ダイオー
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
が電圧な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ェーズ発光ダイオードが市
販、されている。さらに、２つのアンードが同時に電圧
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、点滅燈として黄色い燈
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-phase light emitting diodes are commercially available that emit red and green or red and yellow, depending on which anode lead is supplied with voltage. Furthermore, when two AND's are energized at the same time, a color mixture takes place, resulting in yellow, for example, as a mixture of red and green. In this case, in addition to the conventional indicator devices that use red lights as taillights or brake lights or yellow lights as flashing lights, it is also possible to provide a driving state indicator that emits, for example, a green light. 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、ディ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ップをマトリクス
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、発光ダイオードチップを、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−１チツ
プの装置は、個々のディ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な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
ッタリングされたメタルコーチインク面、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。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 chip 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 one light-emitting diode chip on a common substrate is advantageous in terms of production technology than the use of individual discrete light-emitting diodes and therefore simplifies the overall construction of the lighting device according to the invention. And it can be done cheaply. Said reflective coating surface can be formed by a vapor-deposited or sputtered metal coating surface, preferably an aluminum coating surface. This is better known than other mirror coating surfaces for automotive lighting.

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、発光ダイオードチップに対
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ッ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ック
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
スチック層の上方に配置された別個の拡散レンズによっ
て行うのが効果的である。The substrate used is an electrically conductive metal plate, preferably a copper plate. This substrate also forms the electrical leads to the light emitting diode chip. A common transparent plastic layer, preferably made of polyester or silicone resin, is used as a protective coating for the light-emitting diodes arranged in the basin-shaped recesses of the substrate. In order to achieve special light-diffusion effects, the surface of the transparent plastic layer described can be formed into knots, warts or other shapes. However, it is advantageous for the defined light diffusion for each case to be effected by a separate diffusion lens arranged above the plastic layer.

実施例 第１図の１０は、スリーフェーズ発光ダイオードの全体
を示す。このスリーフェーズ発光ダイオードは、基板１
１と、この基板１１」二に光放射方向に配置された光拡
散キャップ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１５を有している。第２図は、スリーフェ
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で示しである。１
６．１７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 three-phase light emitting diode. This three-phase light emitting diode consists of a substrate 1
1 and a light diffusing cap 12 disposed on the substrate 11'' in the light emission direction, and has a terminal 13 for the first anode, a terminal 14 for the second anode, and a terminal 15 for the cathode. There is. FIG. 2 shows the circuit configuration of the three-phase light emitting diode 10. The two anodes are indicated at 13.14 and the cathode at 15. 1
6.17 shows the original light emitting diode as a circuit symbol.

この種のスリーフェ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ＣＱＸろ１又は０ＱＸ３２が
入手できる。前者のスリーフェ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ェーズ発光
ダイオードは、選択的に赤又は黄色の光を放射する。This type of three-phase light emitting diode is available, for example, under the model name CQXRO1 or 0QX32 manufactured by Telefunken. The former three-phase light emitting diode is
Depending on the voltage supply to the anode 13 or 14, it selectively emits red or green light, while the latter three-phase light emitting diode selectively emits red or yellow light.

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
れるスリーフェ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
ーフェーズ発光ダイオード又は相応のスリーフェーズ発
光ダイオードチップの寸法は、約５Ｘ　５　ｍｍ２であ
る。If the two anodes 13,14 are simultaneously supplied with voltage, a mixed color is emitted. In the case of the 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 varies between 1 and 1 depending on the type of three-phase light emitting diode used.
The DC voltage is between 5 V and 2.5 V, and the dimensions of an individual three-phase light emitting diode or corresponding three-phase light emitting diode chip are approximately 5X 5 mm2.

第６図の２０は、基板を示す。この基板」二に、プレー
トの大きさに応じて、相応の数の個別のスリーフェーズ
発光ダイオード又は発光ダイオードチップ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６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２２．２３．２４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ろ部分
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ろ。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、はぼ円形をした領域２
５は、別個に接続可能であって、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ェ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６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ップが直列に接細）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
たスリーフェ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. 6 indicates a substrate. 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 on this substrate. The entire device consisting of these light emitting diodes is
Various subdivisions may be made for desired lighting and/or signaling functions. In the device shown in FIG. 6, two different ways of partitioning the light emitting diodes are illustrated. That is, the vertically divided areas 22, 23, and 24 are
They are divided according to their functions: tail lights/red, flashing lights/yellow, and brake lights/red. Corresponding to the total area of the parts 22°23.24 to which the voltage is supplied in each case, in an analog manner,
Create a suitable amount of light intensity. Another classification of light emitting diodes is carried out as follows. In other words, the circular area 2
5 can be connected separately, for example to generate a yellow flashing light inside a red brake light or reversing light. To generate a yellow color, a voltage is applied to the two anodes of a three-phase light emitting diode, which usually selectively emits green or red light. The two positive terminals of this device are shown at 26.27 and the negative terminal at 28. In the device shown in FIG. 6, ten light emitting diodes or light emitting diode chips are connected in series between a positive terminal and a negative terminal, and 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６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−”ドの成分に電圧が供給され
る。The signal color range described using FIG. 6 is only one example. In this embodiment, the normal or legally prescribed light intensities for the various signal functions are taken into account, and when lighting the normal taillights, the light emitting diodes are reduced depending on the braking condition. A voltage is supplied to the components of −”.

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の約スに相当している。The tail light area 22 corresponds to approximately half of the flashing light area 23 and approximately half of the brake light area 24.

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。！ｆ、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 lighting surface can be further divided into relatively light or strong braking processes.
This can be indicated by a correspondingly weak or strong red brake light. ! f, other variations are possible as well.

第４図に示す３０ば、基板を表わす。この基　板は、多
数のスリーフェーズ発光ダイオードチップ３１をくぼみ
３２内に収容している。くぼみ３２を含めた基板３ｏ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ずろために用いられ
る０３４ば、個々の発光ダイオードチップ３１の間の接
続線を示す。基板３ｏ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。30 shown in FIG. 4 represents a substrate. This substrate houses a number of three-phase light emitting diode chips 31 in recesses 32. An aluminum mirror surface 33 is provided on the entire surface of the substrate 3o including the recess 32, and this reflects the light emitted from the light emitting diode in a predetermined direction like a parabolic reflector. 034 indicates connection lines between individual light emitting diode chips 31. The substrate 3o 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.

発行ダイオードチップ３１の全装置は、ダイオードを保
護するために、プラスチック層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３γによって
生じる。この拡散レンズ３７は、空気層３６を隔ててチ
ップ３１の上方に配置されている。このように構成すれ
ば、光拡散キャップ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。The entire device of the emitting diode chip 31 is covered with a plastic layer 35 to protect the diode. The light diffusion effect is essentially caused by a separate diffusion lens 3γ. 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 disposed 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、発光ダイオードチップより構成さ
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、汚れがごく僅がしか生じ
ない個所にあては捷る。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
合によっては共通の被覆部を設けることができる。As is clear from Figure 4, a matrix-like device made up of light emitting diode chips with a common filler material and a common diffusing lens is cheaper to manufacture and cost than using individual light emitting diodes. It is advantageous in this respect. Also,
It is advantageous to use individual elements for small series connections of special lighting devices. This is suitable for areas where only a small amount of dirt is likely to occur. □-The individual elements cannot be coated in common without impairing the desired diffusion effect, but in some cases a common coating 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４Ｌ　４２゜４３．４４が設げられている
。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ば、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・−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ろ。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。従って、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ろ。FIG. 5 shows another embodiment for constructing a lighting device for a motor vehicle. In this embodiment, four different lighting surfaces 4L 42°43.44 are provided on the base plate 40. The lighting surfaces 41, 42, 43 are configured, for example, as taillights, flashing lights, brake lights, and the lighting 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. Due to the above-mentioned reliable functions of this light-emitting diode device, a significant technological advance is achieved, as well as the aesthetic effect of lighting devices constructed from colorless components. 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. Therefore, with the lighting device according to the invention, not only a variable signaling function is obtained, but also 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、その除目−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。ADVANTAGEOUS EFFECTS OF THE INVENTION The automobile lighting device according to the present invention can easily generate lights of various predetermined colors, and can emit desired light from the outside of the lighting surface. This creates a lamp effect with strong light intensity. The reason for this is that 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 the drawing]

第１図は、スリーフェ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、スリーフェーズを有する発光
ダイオードの回・路構成の略図、第６図は、同一の燈火
面上で種々の信号色を達成ずろための、スリーフェーズ
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ずろ本発明の別の実施例の正面
略図を表わす。Fig. 1 is a schematic diagram of the external configuration of a light emitting diode with three phases, Fig. 2 is a schematic diagram of the circuit configuration of a light emitting diode with three phases, and Fig. 6 is a schematic diagram of the external configuration of a light emitting diode with three phases. FIG. 4 is an enlarged view of a part of the vehicle lighting device according to the invention; FIG. The schematic longitudinal section, FIG. 5, represents a schematic front view of another embodiment of the invention for a signal light for a motor vehicle.

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ップを備えた自動
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、種種の燈火ないし信号機能のための少くと
も２つの異る発光色を有するスリーフェーズ発光ダイオ
ードＣ１０，２１，３１）を用い、所望の信号色に相応
しそ前記スリーフェーズ発光ダイオードの〆端子（１３
，１４，’１５；２６．２７．２８）に種々の電圧を供
給して前記スリーフェーズ発光ダイオードを制御するよ
うにしたことを特徴とする自動車用燈火装置。 ２、制動燈、点滅燈の様な信号機として用いるか、又は
加速、走行、制動といった種々の走行状態に対する種々
の楡光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項に記載の自動車用燈火装置。 ６、　全燈火領域の種々の部分（２２乃至２５；４１乃
至４４）が、特殊な燈火色ないし信号色の光の強さを発
生ずるために、別個に制御可能である、特許請求の範囲
第１項記載の自動用燈火装置。 ４、複数の発光ダイオードチップ（３１）が、マ）　Ｉ
Ｊクス状に共通の基板（３０）上に設けられている、特
許請求の範囲第１項記載の白。 動車用燈火装置。 ５　発光ダイオードチップ（３１）が、基板（３０）上
の反射コーテイング面（３３）に設けられている、特許
請求の範囲第４項記載の自動車用燈火装置。 ６、　基板（３０）上の反射コーテイング面（３３）カ
、蒸着又はスパッタリングされたメタルコーテイング面
によって形成されている、特許請求の範囲第５項に記載
の自動車用燈火装置。 Ｚ　発光ダイオードチップ（３１）を、基板（３０）の
盆地状のくぼみ（３２）内に設Ｇづ゛、かつ透明なプラ
スチック層（３５）で共通に被覆した、特許請求の範囲
第４項か５第６項までのいずれかに記載の自動車用燈火
装置。[Scope of 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 a substrate, which is white or transparent in an unexcited state and is capable of illuminating various types of lights. or a three-phase light-emitting diode (C10, 21, 31) having at least two different emission colors for the signal function, and a terminal (13) of said three-phase light-emitting diode corresponding to the desired signal color.
, 14, '15; 26.27.28) A lighting device for an automobile, characterized in that the three-phase light emitting diode is controlled by supplying various voltages to the three-phase light emitting diode. 2. It is used as a traffic light such as a brake light or a flashing light, or as a driving state indicator light having various elm colors for various driving states such as acceleration, running, and braking, according to claim 1. The automotive lighting device described. 6. The various parts (22 to 25; 41 to 44) of the total light area are separately controllable in order to produce a special light color or signal color light intensity. The automatic lighting device according to item 1. 4. A plurality of light emitting diode chips (31) are
The white material according to claim 1, which is provided on a common substrate (30) in the shape of a J-square. Lighting device for vehicles. 5. Automotive lighting device according to claim 4, wherein the light emitting diode chip (31) is provided on a reflective coating surface (33) on the substrate (30). 6. A lighting device for a motor vehicle according to claim 5, wherein the reflective coating surface (33) on the substrate (30) is formed by a vapor-deposited or sputtered metal coating surface. According to claim 4, Z light-emitting diode chips (31) are arranged in basin-shaped recesses (32) of the substrate (30) and are commonly coated with a transparent plastic layer (35). 5. The automotive lighting device according to any one of items 6 to 6.
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 true JPS59209931A (en) 1984-11-28
JPH0429575B2 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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JPS61181001A (en) * 1985-02-05 1986-08-13 株式会社小糸製作所 Lighting apparatus
JPS61183803A (en) * 1985-02-08 1986-08-16 株式会社小糸製作所 Lighting apparatus
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JPS634501A (en) * 1986-06-25 1988-01-09 株式会社小糸製作所 Lighting apparatus
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JPH02148847U (en) * 1989-05-19 1990-12-18
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Also Published As

Publication number Publication date
GB2139340A (en) 1984-11-07
JPH0429575B2 (en) 1992-05-19
DE3315785C2 (en) 1988-09-08
DE3315785A1 (en) 1984-11-08
FR2545195B1 (en) 1988-04-08
FR2545195A1 (en) 1984-11-02
GB2139340B (en) 1986-09-03
GB8405698D0 (en) 1984-04-11

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