WO2008009166A1 - Dispositif d'éclairage à diode électroluminescente a éclairage fortement uniforme - Google Patents

Dispositif d'éclairage à diode électroluminescente a éclairage fortement uniforme Download PDF

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Publication number
WO2008009166A1
WO2008009166A1 PCT/CN2006/001543 CN2006001543W WO2008009166A1 WO 2008009166 A1 WO2008009166 A1 WO 2008009166A1 CN 2006001543 W CN2006001543 W CN 2006001543W WO 2008009166 A1 WO2008009166 A1 WO 2008009166A1
Authority
WO
WIPO (PCT)
Prior art keywords
light
lens
illumination
present
source
Prior art date
Application number
PCT/CN2006/001543
Other languages
English (en)
Chinese (zh)
Inventor
Wen-Sung Lee
Ching-Cherng Sun
Jui-Hung Sun
Shih-Hsin Ma
Chun-Lang Chen
Chih-To Hsieh
Original Assignee
Wen-Sung Lee
Ching-Cherng Sun
Jui-Hung Sun
Shih-Hsin Ma
Chun-Lang Chen
Chih-To Hsieh
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 Wen-Sung Lee, Ching-Cherng Sun, Jui-Hung Sun, Shih-Hsin Ma, Chun-Lang Chen, Chih-To Hsieh filed Critical Wen-Sung Lee
Priority to PCT/CN2006/001543 priority Critical patent/WO2008009166A1/fr
Publication of WO2008009166A1 publication Critical patent/WO2008009166A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
    • H01L33/58—Optical field-shaping elements
    • H01L33/60—Reflective elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-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
    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
    • F21K9/68—Details of reflectors forming part of the light source
    • 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
    • F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
    • F21V13/02—Combinations of only two kinds of elements
    • F21V13/04—Combinations of only two kinds of elements the elements being reflectors and refractors
    • 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
    • F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
    • F21V14/06—Controlling the distribution of the light emitted by adjustment of elements by movement of refractors
    • 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
    • F21V5/00—Refractors for light sources
    • F21V5/04—Refractors for light sources of lens shape
    • 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
    • F21V7/00—Reflectors for light sources
    • F21V7/0025—Combination of two or more reflectors for a single light source
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
    • H01L33/58—Optical field-shaping elements
    • 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
    • F21V7/00—Reflectors for light sources
    • F21V7/04—Optical design
    • F21V7/041—Optical design with conical or pyramidal surface
    • 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
    • F21V7/00—Reflectors for light sources
    • F21V7/04—Optical design
    • F21V7/043—Optical design with cylindrical surface
    • 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
    • F21V7/00—Reflectors for light sources
    • F21V7/04—Optical design
    • F21V7/08—Optical design with elliptical curvature
    • 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]
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
    • H01L33/52—Encapsulations
    • H01L33/54—Encapsulations having a particular shape

Definitions

  • the present invention relates to a light emitting diode lighting device, and more particularly to a light emitting diode (LED) lighting device having a highly uniform illumination.
  • a circular light illumination device uses a circular illumination source plus a lens to allow the circular light source to directly image the lens.
  • This design is the simplest and is a common technique commonly used.
  • FIG. 1 is an exploded perspective view of a conventional LED lighting device.
  • the light source 50 of most of the light emitting diodes is a circular light emitting diode chip 51, and the light source 50 is disposed on a heat sink 52 made of an aluminum material; the light source 50 is further provided with a protective plastic shell 53 and a transparent resin. 54.
  • a circular illumination source 50 After imaging by the lens 60, imaging of the circular illumination source 50 is seen, but due to poor overall uniformity, a clear light shape is not obtained.
  • Figure 2, 3 is the light trace and light image of the traditional LED lighting device. Since the conventional light source 50 and the lens 60 are not provided with any components for finishing and reflecting light, the light is scattered in all directions, and it is difficult to concentrate through the lens 60. Therefore, the light extraction efficiency is less than ten percent.
  • an object of the present invention to provide an LED lighting device having a uniform illumination height.
  • a light-emitting diode illumination device with uniform illumination intensity includes: a light source having a light-emitting diode chip; a light-receiving cover having any one of a tapered surface, a paraboloid or an elliptical surface, On the illuminating source, the light emitted by the illuminating source is converted into a uniform distribution from the original Gaussian distribution after the tempering of the illuminating mask; the lens is disposed at the front position of the illuminating mask to make the illuminating After the light, it is projected in the same direction. If a full-mask with a tapered surface or a paraboloid is used, the light-emitting efficiency is at most 30% to 40%.
  • the light-emitting efficiency can be as high as 70%. Eighty percent; at the same time, the light shape is more uniform, The center point illumination can be doubled to twice the size of other shapes.
  • a reflector having any one of a straight surface, a paraboloid surface, and a conical surface is disposed on the entire mask to improve the light extraction efficiency of the light source. It is also possible to adjust the focus point of the lens according to the distance between the light source and the object to be illuminated, so that the light shape produces a focusing effect.
  • FIG. 1 is an exploded perspective view of a conventional LED lighting device.
  • FIG. 2 is a ray tracing diagram of a conventional LED lighting device.
  • 3 is a photo-image of a conventional LED lighting device.
  • Fig. 4 is an exploded perspective view showing the installation of a tapered tapered mask on the light source in the present invention.
  • Figure 5 is a ray tracing diagram of a beveled face mask mounted on a light source in the present invention.
  • Fig. 6 is a view showing a light-shadowing image in which a tapered tapered mask is attached to a light-emitting source in the present invention.
  • Fig. 7 is an exploded perspective view showing the addition of a parabolic mask to a light source in the present invention.
  • Figure 8 is a ray tracing diagram of a parabolic reticle mounted on a illuminating source in the present invention.
  • Fig. 9 is a view showing the optical development of a parabolic mask on a light source in the present invention.
  • Fig. 10 is an exploded perspective view showing the addition of an elliptical mask to the light source in the present invention.
  • Figure 11 is a ray tracing diagram of an ellipsoidal reticle mounted on a illuminating source in the present invention.
  • Fig. 12 is a view showing the light-shadowing of an ellipsoidal full-light mask attached to a light-emitting source in the present invention.
  • Figure 13 is a plan view showing the addition of a straight face reflector to the entire hood in the present invention.
  • Figure 14 is a plan view showing the addition of a parabolic reflector to the entire hood in the present invention.
  • Figure 15 is a plan view showing the addition of a conical (short) reflector on the entire hood in the present invention.
  • Figure 16 is a plan view showing the addition of a conical (middle) reflector on the entire hood in the present invention.
  • Figure 17 is a plan view showing the addition of a conical (long) reflecting cover to the entire hood in the present invention.
  • Figure 18 is a plan view showing the focal length of an unadjusted lens in the present invention.
  • Figure 19 is a ray tracing diagram of the unadjusted lens focal length in the present invention.
  • Figure 20 is a plan view showing the focal length of the front adjustment lens in the present invention.
  • Figure 21 is a ray tracing diagram for adjusting the focal length of the lens forward in the present invention.
  • Figure 22 is a plan view showing the focal length of the lens rearwardly adjusted in the present invention.
  • Figure 23 is a ray tracing diagram for adjusting the focal length of the lens backward in the present invention.
  • Figure 24 is a photo-image showing the focal length of an unadjusted lens in the present invention.
  • Figure 25 is a plan view of a light-adjusting lens in which the focal length of the lens is adjusted forward by 1 mm in the present invention.
  • Figure 26 is a plan view of the light-adjusting lens having a focal length of 2 mm in the forward adjustment lens of the present invention.
  • Figure 27 is a plan view of a light-adjusting lens in which the focal length of the lens is adjusted forward by 3 mm in the present invention.
  • Figure 28 is a plan view of a light-adjusting lens having a focal length of 4 mm in the forward adjustment lens of the present invention.
  • Figure 29 is a plan view of a light-adjusting lens having a focal length of 5 mm in the forward adjustment lens of the present invention.
  • Figure 30 is a plan view of the optical lens of the front adjustment lens having a focal length of 6 mm in the present invention.
  • Figure 31 is a plan view of a light-adjusting lens in which the focal length of the lens is adjusted forward by 7 mm in the present invention.
  • Figure 32 is a plan view of a light-adjusting lens having a focal length of 1 mm backwardly adjusted in the present invention.
  • FIG. 4 to FIG. 12 are stereoscopic decomposition, ray tracing and light imaging of a whole mask with any one of a tapered surface, a paraboloid and an elliptical surface added to the illumination source in the present invention.
  • Figure. As shown in the figure, a light-emitting diode illumination device with uniform illumination, wherein the light source 10 is disposed on a heat dissipation plate 12 made of an aluminum material, the light source 10 is provided with an LED chip 11, and has a protective effect.
  • the light-emitting diode chip 11 emits blue light; the transparent resin 14 is coated with a yellow phosphor, and after the blue light passes through the yellow phosphor, it becomes white light;
  • the entire mask 20 is placed on the light source 10, and the mask 20 is a flat mask having any one of a tapered surface 21, a paraboloid 22, and an elliptical surface 23.
  • the lens 30 is disposed at a position in front of the light source 10 and the entire mask 20.
  • the lens 30 is a convex lens, and the light emitted from the light source 10 and concentrated by the whole mask 20 can be concentrated and projected in the same direction.
  • the focal length of the lens 30 can be adjusted according to the distance between the illumination source 10 and the object to be illuminated, so that the light shape produces a focusing effect.
  • Fig. 13 through Fig. 17 are plan views showing a reflector having any one of a straight surface, a paraboloid or a conical surface attached to the entire hood in the present invention. among them:
  • the reflector 40 is disposed on the entire mask 30, and the reflector 40 is a reflector having any one of a straight surface 41, a paraboloid 42 and a conical surface 43.
  • the light emitted by the light source 10 is dimmed by the elliptical surface 23 of the whole mask 20, and then reflected by the conical surface 43 of the reflector 40, so that the light shape emitted by the light source 10 is converted from the original Gaussian distribution into a uniform distribution. .
  • the light is then projected through the lens 30 to form a moon shape, which has a light output efficiency of 70% to 80%.
  • Figures 18 through 32 are plane and ray tracing diagrams for adjusting the focal length of the lens forward and backward according to the present invention.
  • the focal length When the light illuminates the light shape of the object to be irradiated, it is possible to adjust the focal length between the light source 10 and the lens 30 forward or backward.
  • the focal length when the focal length is increased, the light shape is reduced and the brightness is brightened (as shown in Fig. 24 to Fig. 31).
  • the focal length is shortened, the light shape is enlarged, and the brightness is darkened (as shown in Fig. 32), and the light shape has a focusing effect.
  • the LED illumination device with uniform illumination uniformity provided by the invention proves that the expected functional benefits can be achieved after actual production and repeated operation tests, and at the same time, it is a new product that is not currently available on the market, and has an industry. Utilization value.

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Computer Hardware Design (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)

Abstract

Un dispositif d'éclairage à diode électroluminescente à éclairage fortement uniforme comprend une source électroluminescente (10), une protection à modulation de lumière (20), une protection de réflexion (40) et un objectif de focalisation variable (30) placés en face de la source électroluminescente (10). La lumière en provenance de la source (10) est d'abord modulée par la protection (20) dont la forme peut-être soit un cône oblique (21), soit une parabole (22), soit une ellipse (23), pour être ensuite réfléchi par la protection (40) dont la configuration est soit un cylindre (41), soit une parabole (42), soit un cône (43) avant d'être finalement projetée vers l'extérieur à travers l'objectif (30).
PCT/CN2006/001543 2006-07-03 2006-07-03 Dispositif d'éclairage à diode électroluminescente a éclairage fortement uniforme WO2008009166A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2006/001543 WO2008009166A1 (fr) 2006-07-03 2006-07-03 Dispositif d'éclairage à diode électroluminescente a éclairage fortement uniforme

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2006/001543 WO2008009166A1 (fr) 2006-07-03 2006-07-03 Dispositif d'éclairage à diode électroluminescente a éclairage fortement uniforme

Publications (1)

Publication Number Publication Date
WO2008009166A1 true WO2008009166A1 (fr) 2008-01-24

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102679272A (zh) * 2011-03-16 2012-09-19 隆达电子股份有限公司 可调式灯具结构
WO2013192420A1 (fr) * 2012-06-20 2013-12-27 Honeywell International Inc. Modules optiques de lentille de focalisation et lampes industrielles à del
WO2014002334A1 (fr) * 2012-06-26 2014-01-03 パナソニック株式会社 Appareil d'éclairage
CN104033785A (zh) * 2013-03-04 2014-09-10 赖日旺 远投射距离且高亮度led灯
US9279548B1 (en) 2014-08-18 2016-03-08 3M Innovative Properties Company Light collimating assembly with dual horns
WO2017122824A1 (fr) * 2016-01-16 2017-07-20 株式会社モデュレックス Appareil d'éclairage
WO2023066441A1 (fr) 2021-10-18 2023-04-27 Merit Automotive Electronics Systems S.L.U. Lampe à réflecteur

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1031905A (ja) * 1996-07-18 1998-02-03 Koito Mfg Co Ltd 車輌用マーカーランプ
CN2638249Y (zh) * 2003-07-16 2004-09-01 深圳市科普电子技术有限公司 发光二极管聚光罩
CN2656810Y (zh) * 2003-10-20 2004-11-17 孙庆成 发光二极管彩色照明装置
US6851841B2 (en) * 2001-11-28 2005-02-08 Toyoda Gosei Co., Ltd. Illumination device
CN2684002Y (zh) * 2004-01-15 2005-03-09 王铨海 用大功率led作光源的矿灯
US20050162854A1 (en) * 2004-01-23 2005-07-28 Guide Corporation Catadioptric light distribution system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1031905A (ja) * 1996-07-18 1998-02-03 Koito Mfg Co Ltd 車輌用マーカーランプ
US6851841B2 (en) * 2001-11-28 2005-02-08 Toyoda Gosei Co., Ltd. Illumination device
CN2638249Y (zh) * 2003-07-16 2004-09-01 深圳市科普电子技术有限公司 发光二极管聚光罩
CN2656810Y (zh) * 2003-10-20 2004-11-17 孙庆成 发光二极管彩色照明装置
CN2684002Y (zh) * 2004-01-15 2005-03-09 王铨海 用大功率led作光源的矿灯
US20050162854A1 (en) * 2004-01-23 2005-07-28 Guide Corporation Catadioptric light distribution system

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102679272A (zh) * 2011-03-16 2012-09-19 隆达电子股份有限公司 可调式灯具结构
WO2013192420A1 (fr) * 2012-06-20 2013-12-27 Honeywell International Inc. Modules optiques de lentille de focalisation et lampes industrielles à del
WO2014002334A1 (fr) * 2012-06-26 2014-01-03 パナソニック株式会社 Appareil d'éclairage
JP2014007102A (ja) * 2012-06-26 2014-01-16 Panasonic Corp 照明器具
TWI499744B (zh) * 2012-06-26 2015-09-11 Panasonic Corp 照明器具
CN104033785A (zh) * 2013-03-04 2014-09-10 赖日旺 远投射距离且高亮度led灯
US9279548B1 (en) 2014-08-18 2016-03-08 3M Innovative Properties Company Light collimating assembly with dual horns
WO2017122824A1 (fr) * 2016-01-16 2017-07-20 株式会社モデュレックス Appareil d'éclairage
JPWO2017122824A1 (ja) * 2016-01-16 2018-01-25 株式会社モデュレックス 照明器具
US10557599B2 (en) 2016-01-16 2020-02-11 Modulex Inc. Lighting apparatus
WO2023066441A1 (fr) 2021-10-18 2023-04-27 Merit Automotive Electronics Systems S.L.U. Lampe à réflecteur

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