WO2011035668A1 - Structure permettant d'améliorer la propriété de rendu de la couleur d'éclairage d'une lampe à led - Google Patents

Structure permettant d'améliorer la propriété de rendu de la couleur d'éclairage d'une lampe à led Download PDF

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Publication number
WO2011035668A1
WO2011035668A1 PCT/CN2010/076222 CN2010076222W WO2011035668A1 WO 2011035668 A1 WO2011035668 A1 WO 2011035668A1 CN 2010076222 W CN2010076222 W CN 2010076222W WO 2011035668 A1 WO2011035668 A1 WO 2011035668A1
Authority
WO
WIPO (PCT)
Prior art keywords
color rendering
led
color
circuit board
printed circuit
Prior art date
Application number
PCT/CN2010/076222
Other languages
English (en)
Chinese (zh)
Inventor
沈李豪
Original Assignee
Shen Lihao
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 Shen Lihao filed Critical Shen Lihao
Publication of WO2011035668A1 publication Critical patent/WO2011035668A1/fr

Links

Classifications

    • 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
    • F21V3/00—Globes; Bowls; Cover glasses
    • 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
    • F21K9/20—Light sources comprising attachment means
    • F21K9/23—Retrofit 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
    • F21K9/232—Retrofit 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 specially adapted for generating an essentially omnidirectional light distribution, e.g. with a glass bulb
    • 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
    • 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]

Definitions

  • the utility model relates to the field of LED lighting fixtures, in particular to a structure for improving the color rendering property of LED lighting mainly by reflecting or filtering a red light source with a red material in an LED lamp.
  • the color rendering refers to the ability of the human eye to correctly perceive the color of the object after it has been illuminated by the light source. Color rendering can be obtained by "general color rendering index" (general color rendering index)
  • LED Light-emitting diode
  • the technical problem to be solved by the present invention is to overcome the deficiencies of the prior art LED lamp illumination color rendering, and to improve color rendering and reduce lumens, and to provide a structure for improving the color rendering of LED lamps.
  • the material of the filter layer on which the reflective or filtering light source is mounted to improve the color rendering of the LED illumination is a filterable material such as acrylic, glass, etc., and their colors are red, Or yellow, or green, the same, the most difficult to achieve is red.
  • the red color of the reflective layer or the filter layer may be deep red, or light red, or pink, or any red, etc.; the red type thereof changes according to the color temperature of the LED, thereby improving the overall color rendering (ie, CRI) ).
  • the yellow color of the reflective layer and the filter layer may be different yellow, such as yellowish yellow, deep yellow, beige, etc.; the green color of the reflective layer and the filter layer may be different green, such as dark green, medium green , light green and so on.
  • the reflective layer which can improve the color rendering of the LED illumination, is applied to the printed circuit board of the LED lamp by spraying, printing, or painting, and is located at a lower portion of the LED chip.
  • Mounting the filter layer on the printed circuit board to reflect or filter the light source to improve the color rendering of the LED illumination is mounted on the printed circuit board by means of plug-in or soldering, etc., including the LED core The side of the piece.
  • the reflective layer or/and the filter layer on the printed circuit board that is equipped with a reflective or filtered light source to improve the color rendering of the LED illumination, and then the reflective layer that can improve the color rendering of the LED illumination or And filtering the filter layer on the printed circuit board to reflect or filter the light source to improve the color rendering of the LED illumination, converting the single-wavelength beam into a multi-wavelength beam and refracting it by a high-sealing lampshade, Tens of thousands of beams are mixed in this way to achieve an improvement in color rendering. Second, while improving the color rendering of LED lighting, lumens (brightness) are not affected, so that lumens are not reduced, which solves the contradiction that the prior art improves color rendering and reduces lumens.
  • the structure and the methods involved are simple, easy to operate, and do not require complicated control, which is conducive to reducing product costs and improving market competitiveness.
  • the applicability is wide, and the structure can be used in any LED lighting fixture.
  • the color temperature of the LED lamp can be changed by using reflection or / and filtering red light source, or the reflection or / and yellow light source can be used, and the color temperature of the LED lamp can also be changed by using reflection or / and green light source.
  • Figure 7 is a schematic view of the light-emitting action of the present invention.
  • Figure 8 is a second schematic view of the illumination operation of the present invention.
  • the material of the filter layer 104 on which the reflective or filtered light source is mounted to improve the color rendering of the LED illumination is a filterable material such as acrylic, glass, etc., and their colors are Red, or yellow, or green.
  • the yellow color of the reflective layer 103 and the filter layer 104 may be different yellow, such as yellow, dark yellow, beige, etc.; the green color of the reflective layer 103 and the filter layer 104 may be different green, such as deep Green, medium green, light green, etc.
  • the reflective layer 103 which can improve the color rendering of the LED illumination, is applied to the printed circuit board 102 of the LED lamp by spraying, printing, or painting, and is located at a lower portion of the LED chip 101.

Landscapes

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

Abstract

L'invention concerne une structure permettant d'améliorer la propriété de rendu de la couleur d'éclairage d'une lampe à LED, ladite structure comprenant une puce de LED (101) et une carte de circuit imprimé (102). La puce de LED (101) est montée sur la carte de circuit imprimé (102) et la puce de LED (101) est connectée électriquement à la carte de circuit imprimé (102). La carte de circuit imprimé (102) est recouverte d'une couche réfléchissante (103) qui améliore la propriété de rendu de la couleur d'éclairage de la lampe à LED, et/ou la carte de circuit imprimé (102) est munie d'une couche filtrant la lumière (104) qui réfléchit ou filtre la lumière pour améliorer la propriété de rendu de la couleur d'éclairage de la lampe à LED.
PCT/CN2010/076222 2009-09-24 2010-08-21 Structure permettant d'améliorer la propriété de rendu de la couleur d'éclairage d'une lampe à led WO2011035668A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200920311224.9 2009-09-24
CN2009203112249U CN201526923U (zh) 2009-09-24 2009-09-24 一种提高led灯照明演色性的结构

Publications (1)

Publication Number Publication Date
WO2011035668A1 true WO2011035668A1 (fr) 2011-03-31

Family

ID=42518209

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2010/076222 WO2011035668A1 (fr) 2009-09-24 2010-08-21 Structure permettant d'améliorer la propriété de rendu de la couleur d'éclairage d'une lampe à led

Country Status (2)

Country Link
CN (1) CN201526923U (fr)
WO (1) WO2011035668A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9612002B2 (en) 2012-10-18 2017-04-04 GE Lighting Solutions, LLC LED lamp with Nd-glass bulb

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201526923U (zh) * 2009-09-24 2010-07-14 沈李豪 一种提高led灯照明演色性的结构
CN102313158A (zh) * 2010-07-07 2012-01-11 陈清山 发光二极管照明灯泡总成
US8324808B2 (en) * 2010-07-23 2012-12-04 Biological Illumination, Llc LED lamp for producing biologically-corrected light
CN108758570A (zh) * 2018-06-21 2018-11-06 广东凌想实业发展有限公司 Led灯具线路板

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1503382A (zh) * 2002-11-25 2004-06-09 ���µ�����ҵ��ʽ���� 发光二极管照明光源
CN1641897A (zh) * 2004-01-14 2005-07-20 诠兴开发科技股份有限公司 白光led的改良方法
CN1819289A (zh) * 2005-01-31 2006-08-16 东芝照明技术株式会社 发光二极管装置
CN1836339A (zh) * 2002-08-30 2006-09-20 吉尔科有限公司 具有改良效率的镀膜led
WO2009016604A1 (fr) * 2007-08-02 2009-02-05 Koninklijke Philips Electronics N.V. Source de lumière à del à conservation d'étendue optique, mélange de couleur, et luminosité élevée
CN201526923U (zh) * 2009-09-24 2010-07-14 沈李豪 一种提高led灯照明演色性的结构

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1836339A (zh) * 2002-08-30 2006-09-20 吉尔科有限公司 具有改良效率的镀膜led
CN1503382A (zh) * 2002-11-25 2004-06-09 ���µ�����ҵ��ʽ���� 发光二极管照明光源
CN1641897A (zh) * 2004-01-14 2005-07-20 诠兴开发科技股份有限公司 白光led的改良方法
CN1819289A (zh) * 2005-01-31 2006-08-16 东芝照明技术株式会社 发光二极管装置
WO2009016604A1 (fr) * 2007-08-02 2009-02-05 Koninklijke Philips Electronics N.V. Source de lumière à del à conservation d'étendue optique, mélange de couleur, et luminosité élevée
CN201526923U (zh) * 2009-09-24 2010-07-14 沈李豪 一种提高led灯照明演色性的结构

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9612002B2 (en) 2012-10-18 2017-04-04 GE Lighting Solutions, LLC LED lamp with Nd-glass bulb

Also Published As

Publication number Publication date
CN201526923U (zh) 2010-07-14

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