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JP2002373508A - Light emitting diode lamp - Google Patents

Light emitting diode lamp

Info

Publication number
JP2002373508A
JP2002373508A JP2001217330A JP2001217330A JP2002373508A JP 2002373508 A JP2002373508 A JP 2002373508A JP 2001217330 A JP2001217330 A JP 2001217330A JP 2001217330 A JP2001217330 A JP 2001217330A JP 2002373508 A JP2002373508 A JP 2002373508A
Authority
JP
Japan
Prior art keywords
led
emitting diode
light emitting
diode lamp
leds
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.)
Pending
Application number
JP2001217330A
Other languages
Japanese (ja)
Inventor
Isoji Sakurai
五十次 櫻井
Junji Miyamoto
準二 宮本
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.)
Kohshin Electric Corp
Original Assignee
Kohshin Electric Corp
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 Kohshin Electric Corp filed Critical Kohshin Electric Corp
Priority to JP2001217330A priority Critical patent/JP2002373508A/en
Publication of JP2002373508A publication Critical patent/JP2002373508A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21KNON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/20Light sources comprising attachment means
    • F21K9/23Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21YINDEXING 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
    • F21Y2107/00Light sources with three-dimensionally disposed light-generating elements
    • F21Y2107/50Light sources with three-dimensionally disposed light-generating elements on planar substrates or supports, but arranged in different planes or with differing orientation, e.g. on plate-shaped supports with steps on which light-generating elements are mounted
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21YINDEXING 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
    • F21Y2115/00Light-generating elements of semiconductor light sources
    • F21Y2115/10Light-emitting diodes [LED]

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Led Device Packages (AREA)

Abstract

PROBLEM TO BE SOLVED: To obtain a light emitting diode lamp, which has sufficient illumination intensity even if distance of a subject thing becomes large, concerning with the light emitting diode lamp, which makes two or more LED that are connected in series or parallel a light source. SOLUTION: The LED are arranged with shifted attachment angles of each the LED so that the light axis of the two or more LED may overlap.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】この発明は、複数個のLED
を用いた発光ダイオードランプの改良に関する。
TECHNICAL FIELD The present invention relates to a plurality of LEDs.
The present invention relates to an improvement of a light emitting diode lamp using the same.

【0002】[0002]

【従来の技術】高輝度LEDを用いた発光ダイオードラ
ンプは従来の電球に比べ消費電流が小さく、寿命が長い
ことなどから最近注目されている。図3は、実公平1−
123372号公報に示された従来の発光ダイオードラ
ンプの一部破断状態正面図である。図において、1はプ
リント配線板、2はLED、3は口金、4はリード線、
5は電流制限用抵抗、6は反射鏡である。LED2は複
数個使われ、それぞれの光軸が平行になるようプリント
基板1上に配置されている。LED2には電流制限抵抗
5により設定された所定の電流値が口金3を通して供給
される。また、図4は従来の発光ダイオードランプのL
ED光軸を示す概念図であり、図に於いて2はLED、
7は各LEDの光軸を示す。
2. Description of the Related Art Light-emitting diode lamps using high-brightness LEDs have attracted attention recently because they consume less current and have a longer life than conventional light bulbs. FIG.
It is a partially broken front view of the conventional light emitting diode lamp shown in 123372 gazette. In the figure, 1 is a printed wiring board, 2 is an LED, 3 is a base, 4 is a lead wire,
5 is a current limiting resistor, and 6 is a reflecting mirror. A plurality of LEDs 2 are used and are arranged on the printed circuit board 1 so that their optical axes are parallel. A predetermined current value set by the current limiting resistor 5 is supplied to the LED 2 through the base 3. FIG. 4 shows L of a conventional light emitting diode lamp.
It is a conceptual diagram which shows an ED optical axis, In the figure, 2 is LED,
7 indicates the optical axis of each LED.

【0003】[0003]

【発明が解決しようとする課題】上記従来の発光ダイオ
ードランプは、複数個のLEDの光軸が並行になるよう
配置されているが、一般に照明用高輝度LEDは15°
〜20°の指向角を持っているため、図4に示すように
照らす対象物の距離が遠くなると光が拡散し照度が不足
するという問題点があった。
The above-mentioned conventional light-emitting diode lamps are arranged so that the optical axes of a plurality of LEDs are parallel to each other.
Since it has a directivity angle of 2020 °, there is a problem that, as shown in FIG. 4, when the distance of the illuminated object is long, the light is diffused and the illuminance is insufficient.

【0004】この発明は上記問題点を解消するためにな
されたもので、対象物の距離が遠くなっても十分な照度
を有する発光ダイオードランプを提供することを目的と
している。
[0004] The present invention has been made to solve the above problems, and an object of the present invention is to provide a light emitting diode lamp having sufficient illuminance even when the distance of an object is long.

【0005】[0005]

【課題を解決するための手段】本発明の発光ダイオード
ランプは、上記従来例の問題点を解決するため前記複数
個のLEDの光軸が重なるように個々のLEDの取り付
け角度をずらした。
In the light emitting diode lamp of the present invention, the mounting angles of the individual LEDs are shifted so that the optical axes of the plurality of LEDs overlap to solve the above-mentioned problems of the prior art.

【0006】図2は本発明によるLEDの光軸を表した
概念図である。図に於いて2はLED、7は各LEDの
光軸を示す。前記構成によると、図2に示すように各L
EDの光軸が前方の一点でほぼ重なるため、そのポイン
トの照度を上げることができる。
FIG. 2 is a conceptual diagram showing an optical axis of an LED according to the present invention. In the figure, 2 indicates an LED, and 7 indicates the optical axis of each LED. According to the above configuration, as shown in FIG.
Since the optical axis of the ED almost overlaps at a point in front, the illuminance at that point can be increased.

【0007】[0007]

【発明の実施の形態】実施の形態1.図1は本発明の発
光ダイオードランプの実施形態1を示す一部破断状態の
正面図である。図において、1はプリント配線板、2は
LED、3は口金、4はリード線、5は電流制限用抵抗
である。LED2は複数個使われ、それぞれの光軸が例
えば2m前方で重なるように角度を付けてプリント基板
1上に配置されている。LED2には電流制限抵抗5に
より設定された所定の電流値が口金3を通して供給され
る。
DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiment 1 FIG. 1 is a front view of a light emitting diode lamp according to a first embodiment of the present invention in a partially broken state. In the figure, 1 is a printed wiring board, 2 is an LED, 3 is a base, 4 is a lead wire, and 5 is a current limiting resistor. A plurality of LEDs 2 are used, and are arranged on the printed circuit board 1 at an angle such that their optical axes overlap, for example, 2 m ahead. A predetermined current value set by the current limiting resistor 5 is supplied to the LED 2 through the base 3.

【0008】ところで上記実施の形態ではLEDの数を
3本とし直線状に並べて配置したものについて述べた
が、LEDの数は少なくとも2本以上であれば数に制限
は無く、配置についても円周状をはじめどのように配置
しても良い。さらにプリント基板の代わりに樹脂等で予
め角度を設けた土台にLEDを取り付ければ、より容易
に光軸を合わせることができる。
[0008] In the above embodiment, the number of LEDs is three and the LEDs are arranged in a straight line. However, the number of LEDs is not limited as long as the number is at least two. Jo how it may be disposed started. Further, if the LED is mounted on a base provided with an angle in advance with resin or the like instead of the printed circuit board, the optical axis can be more easily adjusted.

【0009】また、光軸が重なる距離を使用目的に応じ
て最適に設定することでより高い効果が得られることは
言うまでもない。
It is needless to say that a higher effect can be obtained by setting the distance at which the optical axes overlap with each other optimally according to the purpose of use.

【0010】[0010]

【発明の効果】以上のようにこの発明によれば、LED
の光軸が重なるように角度を付けて配置することにより
光を集中させることができ、対象物の距離が遠くなって
も十分な照度を得ることができる。
As described above, according to the present invention, the LED
By arranging them at an angle so that the optical axes of the objects overlap, light can be concentrated, and sufficient illuminance can be obtained even when the distance of the target object increases.

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

【図1】本発明の実施形態1を示す一部破断状態の正面
図である。
FIG. 1 is a front view of a first embodiment of the present invention in a partially broken state.

【図2】本発明におけるLEDの光軸を示す概念図であ
る。
FIG. 2 is a conceptual diagram showing an optical axis of an LED according to the present invention.

【図3】従来の発光ダイオードランプを示す一部破断状
態の正面図である。
FIG. 3 is a front view showing a conventional light emitting diode lamp in a partially broken state.

【図5】従来の発光ダイオードランプのLEDの光軸を
示す概念図である。
FIG. 5 is a conceptual diagram showing an optical axis of an LED of a conventional light emitting diode lamp.

【符号の説明】[Explanation of symbols]

1 プリント配線板 2 LED 3 口金 4 リード線 5 電流制限用抵抗 6 反射鏡 7 LEDの光軸 DESCRIPTION OF SYMBOLS 1 Printed wiring board 2 LED 3 Base 4 Lead wire 5 Current limiting resistor 6 Reflector 7 LED optical axis

─────────────────────────────────────────────────────
────────────────────────────────────────────────── ───

【手続補正書】[Procedure amendment]

【提出日】平成13年9月4日(2001.9.4)[Submission date] September 4, 2001 (2001.9.4)

【手続補正1】[Procedure amendment 1]

【補正対象書類名】明細書[Document name to be amended] Statement

【補正対象項目名】図面の簡単な説明[Correction target item name] Brief description of drawings

【補正方法】変更[Correction method] Change

【補正内容】[Correction contents]

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

【図1】本発明の実施形態1を示す一部破断状態の正面
図である。
FIG. 1 is a front view of a first embodiment of the present invention in a partially broken state.

【図2】本発明におけるLEDの光軸を示す概念図であ
る。
FIG. 2 is a conceptual diagram showing an optical axis of an LED according to the present invention.

【図3】従来の発光ダイオードランプを示す一部破断状
態の正面図である。
FIG. 3 is a front view showing a conventional light emitting diode lamp in a partially broken state.

【図4】従来の発光ダイオードランプのLEDの光軸を
示す概念図である。
FIG. 4 is a conceptual diagram showing an optical axis of an LED of a conventional light emitting diode lamp.

【符号の説明】 1 プリント配線板 2 LED 3 口金 4 リード線 5 電流制限用抵抗 6 反射鏡 7 LEDの光軸[Explanation of Signs] 1 Printed wiring board 2 LED 3 Base 4 Lead wire 5 Current limiting resistor 6 Reflector 7 LED optical axis

【手続補正2】[Procedure amendment 2]

【補正対象書類名】図面[Document name to be amended] Drawing

【補正対象項目名】図3[Correction target item name] Figure 3

【補正方法】変更[Correction method] Change

【補正内容】[Correction contents]

【図3】 FIG. 3

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】複数個のLEDを直列あるいは並列接続し
たものを光源とする発光ダイオードランプにおいて、前
記複数個のLEDの光軸が重なるように個々のLEDの
取り付け角度をずらしたことを特徴とする発光ダイオー
ドランプ。
1. A light emitting diode lamp using a plurality of LEDs connected in series or in parallel as a light source, wherein the mounting angles of the individual LEDs are shifted so that the optical axes of the plurality of LEDs overlap. Light emitting diode lamp.
JP2001217330A 2001-06-12 2001-06-12 Light emitting diode lamp Pending JP2002373508A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2001217330A JP2002373508A (en) 2001-06-12 2001-06-12 Light emitting diode lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001217330A JP2002373508A (en) 2001-06-12 2001-06-12 Light emitting diode lamp

Publications (1)

Publication Number Publication Date
JP2002373508A true JP2002373508A (en) 2002-12-26

Family

ID=19051672

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001217330A Pending JP2002373508A (en) 2001-06-12 2001-06-12 Light emitting diode lamp

Country Status (1)

Country Link
JP (1) JP2002373508A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10344547A1 (en) * 2003-09-24 2005-08-11 Warnking Elektrotechnik Gmbh Lamp
EP1710493A3 (en) * 2005-04-05 2006-12-27 Osram Sylvania Inc. Vitual point light source
WO2007010879A3 (en) * 2005-07-15 2007-06-28 Matsushita Electric Ind Co Ltd Light-emitting module and mounting board used therefor
WO2008138185A1 (en) * 2007-05-15 2008-11-20 Zhiyong Liu A directive illumination energy-saving led light and method for manufacturing the same
JP2010135131A (en) * 2008-12-03 2010-06-17 Cisco:Kk Light-emitting diode illumination lamp
JP2011138741A (en) * 2009-12-31 2011-07-14 Seiichi Sato Light emitting diode illumination lamp
US10802114B2 (en) 2015-05-18 2020-10-13 Terabee Sas Device and method for uniform far-field illumination with LEDs

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10344547A1 (en) * 2003-09-24 2005-08-11 Warnking Elektrotechnik Gmbh Lamp
EP1710493A3 (en) * 2005-04-05 2006-12-27 Osram Sylvania Inc. Vitual point light source
WO2007010879A3 (en) * 2005-07-15 2007-06-28 Matsushita Electric Ind Co Ltd Light-emitting module and mounting board used therefor
US7902568B2 (en) 2005-07-15 2011-03-08 Panasonic Corporation Light-emitting module with plural light emitters and conductor pattern
WO2008138185A1 (en) * 2007-05-15 2008-11-20 Zhiyong Liu A directive illumination energy-saving led light and method for manufacturing the same
JP2010135131A (en) * 2008-12-03 2010-06-17 Cisco:Kk Light-emitting diode illumination lamp
JP2011138741A (en) * 2009-12-31 2011-07-14 Seiichi Sato Light emitting diode illumination lamp
US10802114B2 (en) 2015-05-18 2020-10-13 Terabee Sas Device and method for uniform far-field illumination with LEDs
EP3298321B1 (en) * 2015-05-18 2022-10-19 Terabee S.A.S. Device and method for uniform far-field illumination with leds

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