WO2017113519A1 - Dispositif modulaire de mélange de lumières del, et lampe à del le comprenant - Google Patents

Dispositif modulaire de mélange de lumières del, et lampe à del le comprenant Download PDF

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Publication number
WO2017113519A1
WO2017113519A1 PCT/CN2016/077056 CN2016077056W WO2017113519A1 WO 2017113519 A1 WO2017113519 A1 WO 2017113519A1 CN 2016077056 W CN2016077056 W CN 2016077056W WO 2017113519 A1 WO2017113519 A1 WO 2017113519A1
Authority
WO
WIPO (PCT)
Prior art keywords
light mixing
light
mixing device
led
led lamp
Prior art date
Application number
PCT/CN2016/077056
Other languages
English (en)
Chinese (zh)
Inventor
周良
姜君城
Original Assignee
深圳市百康光电有限公司
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 深圳市百康光电有限公司 filed Critical 深圳市百康光电有限公司
Publication of WO2017113519A1 publication Critical patent/WO2017113519A1/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
    • F21V7/00—Reflectors for light sources
    • F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
    • F21V7/24—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by the material
    • 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
    • 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
    • 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
    • F21V13/12—Combinations of only three kinds of elements
    • F21V13/14—Combinations of only three kinds of elements the elements being filters or photoluminescent elements, 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
    • F21V19/00—Fastening of light sources or lamp holders
    • 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
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
    • 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
    • F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors

Definitions

  • the present invention belongs to the field of LED lighting fixtures, and more particularly to a combined LED light mixing device and an LED lamp having the same.
  • LED lighting uses a light source with a generally low color rendering index.
  • a single lamp bead has a maximum of 93.
  • the current method is to use a hybrid LED lamp beads are used to increase the color rendering index. In this way, the color rendering index can be increased to 98 or higher.
  • the way to mix LEDs is to add an indefinite number of red LEDs to a combination of multiple white LEDs to match the luminous flux and spectral distribution to improve the overall color rendering index.
  • An object of the present invention is to provide a combined LED light mixing device, which aims to solve the problem of poor light mixing caused by the conventional light mixing device for improving the light output display index of the LED light fixture, and thus the emitted light The color appears to be layered.
  • a combined LED light mixing device includes an LED module, the LED module is provided with a plurality of LED lamp beads, and further includes a light direction along the LED lamp bead a reflector cup, a light mixing component, and a reflector, the light mixing component has a light mixing chamber, the reflector cup is enclosed between the light mixing component and the LED module, and the LED lamp bead is emitted The large angle light is reflected into the light mixing chamber by the reflective cup, the light mixing assembly is connected to the bottom of the reflector, and the light mixing chamber is located in the reflective cup.
  • the combined LED light mixing device has the technical effects of the prior art light mixing device: through the arrangement of the reflective cup, the light mixing component and the reflector, wherein the light mixing component has a light mixing chamber, The large-angle different color light emitted from the LED lamp bead on the LED module is reflected by the reflective cup and then injected into the light mixing room for the first time, and then the first mixed light is refracted. The light is incident on the reflector through the light mixing chamber, and the light mixed by the reflector is secondly mixed and emitted at a certain angle to ensure uniform light mixing of the entire outgoing light, thereby avoiding uneven mixing of the emitted light. The resulting emitted light is layered in color, and the angle of the light emitted after passing through the reflector is limited, and the outgoing beam is narrower and the concentration is high, and the light intensity is high and uniform.
  • the present invention also provides an LED lamp having the above-mentioned combined LED light mixing device.
  • the LED lamp having the structure has good light mixing effect, and does not have color delamination of the emitted light, and the same light is emitted. efficient.
  • FIG. 1 is an overall structural diagram of a light mixing device according to an embodiment of the present invention.
  • FIG. 2 is a cross-sectional view of FIG. 1 taken along the line A-A.
  • FIG. 3 is a schematic view showing the addition of a portion of the emitted light on the LED lamp bead in FIG. 2 after being mixed by the light mixing device of the embodiment of the present invention.
  • FIG. 4 is a structural diagram of a reflector cup according to an embodiment of the present invention.
  • FIG. 5 is a structural diagram of a light mixing chamber according to an embodiment of the present invention.
  • FIG. 6 is a cross-sectional view taken along line B-B of FIG. 5.
  • FIG. 7 is a structural diagram of a reflector according to an embodiment of the present invention.
  • FIG. 8 is a front view showing the structure of an LED module according to an embodiment of the present invention.
  • a light mixing device for a combined LED (light emitting diode) is provided.
  • the light mixing refers to light formed by mixing light rays having different color temperatures.
  • the light mixing device includes an LED module 10, and the LED module 10 is circular and arrayed with a plurality of LED beads 102 of different colors.
  • the light mixing device further includes a bead along the LED.
  • the reflector cup 20, the light mixing assembly 30 and the reflector cup 40 are disposed in the light-emitting direction of the 102.
  • the light mixing assembly 30 has a light mixing chamber 303. As shown in FIG. 3, the LED light bulbs 102 emit different angles of light at different color temperatures.
  • the light mixing chamber 303 After being reflected by the reflective cup 20, it is incident into the light mixing chamber 303, where the light emitted by the LED lamp bead 102 is divergent, wherein direct or small angle light is directly incident into the light mixing chamber 303.
  • the light directly incident into the light mixing chamber 303 is collectively referred to as a relatively large angle of light.
  • the larger angle light needs to be reflected into the light mixing chamber 303 after a single or multiple reflections, and the angle at which the light needs to be emitted is based on the reflection cup.
  • 20 books The size of the light-emitting direction of the LED lamp bead 102 is determined.
  • the reflective cup 20 is enclosed between the light-mixing component 30 and the LED module 10, thereby avoiding light leakage, ensuring light-emitting efficiency, and the light-mixing component 30 is connected to the reflective light.
  • the same light mixing chamber 303 is located in the reflector 40, and the irregular light emitted from the light mixing chamber 303 is further adjusted by the reflector 40.
  • the combined LED light mixing device designed above passes through the arrangement of the reflective cup 20, the light mixing assembly 30 and the reflector 40, wherein the light mixing assembly 30 has a light mixing chamber 303, so that the LED on the LED module 10
  • the large-angle light of different colors emitted from the lamp bead 102 is reflected by the reflective cup 20 and then is incident into the light mixing chamber 303 for the first time, and then the light after the first mixing is transmitted in a form of refraction.
  • the light chamber 303 is incident on the reflector 40, and the light mixed by the reflector 40 is mixed for a second time and emitted at a certain angle to ensure uniform light mixing of the entire outgoing light, thereby avoiding uneven mixing of the emitted light.
  • the resulting emitted light is layered in color, and the angle of the light emitted after passing through the reflector 40 is limited, and the outgoing beam is narrower and the concentration is high, the light intensity is high, and the light is uniformly mixed.
  • the reflector cup 20 is made of a highly reflective material PC (polycarbonate) having good reflection performance. Due to the characteristics of the highly reflective material PC itself, the light incident on the LED lamp bead 102 will be diffusely reflected, which can improve the effect of diffuse reflection, disrupt the light emitted by the LED lamp bead 102, and then shoot at The light of different colors of the reflecting surface of the reflecting cup 20 is homogenized, and the light emitted by the LED lamp bead 102 can be reflected on the reflective cup 20 and reflected into the light mixing chamber 303, or directly into the light mixing chamber 303. Inside.
  • PC polycarbonate
  • the light mixing assembly 30 includes an annular support plate 302 connected to the LED module 10 and along the a closed structure 301 extending from the inner surface of the annular support plate 302 and facing away from the LED module 10, the inner cavity of the closed structure 301 forming a light mixing chamber 303, which is preferably a hemispherical shell or a cylindrical shell.
  • the drum-shaped casing is a drum having different radii at both ends, and the diameter of one end to the other end of the drum is gradually changed, and may also be a drum casing having a constant diameter. As shown in FIG. 2 and FIG.
  • the closed structure 301 extends in a direction away from the LED module 10 , and the light of different color temperatures reflected on the reflective cup 20 is incident on the inner surface of the closed structure 301 after a certain distance. The farther this incident distance is, the more the number of reflections and mixing between the light of multiple color temperatures, the better the effect of mixing light.
  • the LED module 10 includes a PCB board 103 and a plurality of different color LED lamp beads 102 disposed in the middle of the PCB board 103, and supports and fixes the PCB board 103.
  • a fixing plate 101, the P CB plate 103 is located between the fixing plate 101 and the LED lamp bead 102, and the cross section of the fixing plate 101 is larger than the PCB board 1
  • the closed structure 301 is a hemispherical shell formed by the inner diameter of the annular support plate 302 extending away from the fixing plate 101, or the ring.
  • the inner diameter of the support plate 302 is gradually narrowed away from the direction of the fixed plate 101, and then directly closed to form a barrel-shaped casing, so that the light mixing distance of the light in the light mixing chamber 303 is increased and the number of times of light mixing is increased.
  • a receiving groove for accommodating the LED module 10 is recessed on the annular supporting plate 302.
  • the mounting groove 3023 of the receiving groove 3022 is further recessed in the direction of the bottom of the accommodating groove 3022, and the cross-sectional area of the accommodating groove 3022 is larger than that of the mounting groove 3023.
  • the cross-sectional area, and the mounting groove 3023 is recessed on the inner wall of the closed structure 301.
  • the annular support plate 302 and the surface of the LED lamp bead 102 are recessed with a receiving groove 3022.
  • 3022 is a circular groove, and the half of the receiving groove 3022
  • the diameter of the inner ring of the annular support plate 302 is larger than the radius of the inner ring of the annular support plate 302.
  • the accommodating groove 3022 is used for accommodating the fixing plate 101.
  • the diameter of the mounting groove 3023 recessed on the inner wall of the closed structure 301 is smaller than the diameter of the annular support plate 302.
  • the radius of the inner ring, the front end of the reflector cup 20 abuts in the mounting groove 3023.
  • the reflector cup 20 is a truncated cone-shaped housing, and the end of the truncated cone-shaped housing having a larger radius is a bottom end 201. That is, the front end of the mounting slot 3023 is abutted, and the smaller end is the top end 202.
  • the bottom end 201 abuts in the mounting slot 3023.
  • the top end 202 is connected to the LED module 10, and the plurality of LED lights
  • the bead 102 is located within the area enclosed by the tip 202.
  • the bottom end 201 abuts on the bottom of the mounting groove 3023, and the difference between the outer radius and the inner radius of the bottom end 201 is equal to the mounting groove 3023.
  • the thickness of the closed structure 301 that is, the thickness of the mounting groove 3023 on the inner wall of the closed structure 301 of the light mixing assembly 30 is the same as the thickness of the reflective cup 20 abutting on the mounting groove 3023, thus making the reflective cup 20
  • the top end 202 abuts on the fixing plate 101, and the PCB board 103 and the LED lamp bead 102 are wrapped in the ring where the top end 202 is located, so as to prevent light leakage, and the PCB board 103 is coated with a coating.
  • the coating also partially reflects the light emitted by the LED lamp bead 102 and then enters the light mixing chamber 303.
  • Another advantage of the design is that the light emitted from the LED lamp bead 102 and the electronic component are partially reflected. The light is initially received, and the angle of the light beam is reduced, thereby increasing the number of light rays, thereby improving the light extraction efficiency of the system.
  • the annular support plate 302 is further provided with a groove 3021, and the same end is convex at the end of the reflector 40 connected to the support plate.
  • a snap structure 702 with a hook 4021 is provided. The snap structure 402 is fastened to the tongue and groove 3021, and the hook 4001 is hooked on the back surface of the annular support plate 302.
  • the reflector 40 is fastened to the annular support plate 302 through the buckle structure 402 disposed at the bottom thereof, and the buckle structure 402 is coupled to the tongue and groove 3021.
  • the upper hook 4021 is hooked on the back of the annular support plate 302 to effectively connect the reflector 40 and the light mixing assembly 30 together.
  • the material of the closed structure 301 of the light mixing assembly 30 is a refractive diffusing plate with good light transmittance.
  • the material of the closed structure 301 of the light mixing assembly 30 is a refractive diffusing plate in which a plurality of materials having good light transmittance are mixed, and the refractive diffusing plate passes through the light mixing chamber 303. The light after the first light mixing passes through the closed structure 301, is further refracted, and then is incident on the reflective cup 40 or directly emitted.
  • the refractive angle of the diffusing plate is determined according to the haze of the material mixed by the closed structure 301, where the haze It refers to the percentage of the transmitted light intensity above the angle of 2.5° from the incident light as a percentage of the total transmitted light.
  • the greater the haze the lower the gloss and transparency of the film.
  • the transparency of the closed structure 301 should be increased, where the material composition of the closed structure 301 is uniform, transparency. The better.
  • the reflector 40 is preferably a horn-shaped casing, and the inner wall of the horn-shaped casing is provided with a light mixing chamber 303 for mixing light. After the emitted light is secondarily mixed with the scale structure 401.
  • the LED lamp bead 102 emits light of different colors, most of which are directly
  • the large-angle light emitted by the reflective cup 20 is diffused and reflected by the reflective cup 20, and then mixed with the directly emitted light, where the first mixed light is in the light mixing chamber 303, and the light passes through the reflective cup.
  • the closed structure 301 of the light mixing assembly 30 is preferably hemispherical or round, and the purpose is to increase the light mixing. The distance to improve the light mixing effect.
  • the first mixed light is refracted by the light mixing chamber 303, the light is partially parallel to the inner wall of the reflector 40 or slightly deviated from the parallel direction, and the light that is larger than the parallel direction is reflected on the scale structure 401 and is reflected.
  • the second light mixing, the scale structure 401 on the same reflector 40 adjusts the angle of the emitted light so that the angles of the light rays are uniform, so that the emitted light beam is narrowed, that is, the reflector 40 is further light-receiving. , so that the light mixing effect and the light-emitting effect are simultaneously improved.
  • the present invention also provides an LED lamp having the above-mentioned combined LED light mixing device, the LED lamp having the structure, the light mixing effect is good, the color delamination of the emitted light does not occur, and the light is emitted simultaneously. efficient.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Led Device Packages (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)

Abstract

L'invention concerne un dispositif modulaire de mélange de lumières DEL comprenant un module de DEL (10) sur lequel est agencée une pluralité de perles de lampe à DEL (102). Une coupelle réfléchissante (20), un ensemble mélange de lumières (30) et une coupelle de réflexion de lumière (40) sont disposés dans la direction d'émergence de lumière des perles de lampe à DEL (102). L'ensemble mélange de lumières (30) présente une chambre de mélange de lumières (303). La coupelle réfléchissante (20) est scellée entre l'ensemble mélange de lumières (30) et le module de DEL (10), et la lumière grand angle émise à partir des perles de lampe à DEL (102) est réfléchie dans la chambre de mélange de lumières (303) par la coupelle réfléchissante (20). L'ensemble mélange de lumières (30) est relié au fond de la coupelle de réflexion de lumière (40). La chambre de mélange de lumières (303) est située dans la coupelle réfléchissante (40). L'invention concerne une lampe à DEL comprenant le dispositif de mélange de lumières DEL combinées. Ce dispositif de mélange de lumières peut résoudre les problèmes d'un mauvais effet de mélange de lumières et de la séparation des couleurs de lumière émergente résultant de l'objectif d'amélioration des indices d'affichage de lumière émergente.
PCT/CN2016/077056 2015-12-28 2016-03-23 Dispositif modulaire de mélange de lumières del, et lampe à del le comprenant WO2017113519A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201510995455.6A CN105444123A (zh) 2015-12-28 2015-12-28 组合式led混光装置及具有该装置的led灯具
CN201510995455.6 2015-12-28

Publications (1)

Publication Number Publication Date
WO2017113519A1 true WO2017113519A1 (fr) 2017-07-06

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CN (1) CN105444123A (fr)
WO (1) WO2017113519A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108253351A (zh) * 2018-02-06 2018-07-06 佛山市凯昌灯饰电器有限公司 一种多方向转动的导轨灯
CN109567759A (zh) * 2019-01-08 2019-04-05 深圳市视泰奇科技有限公司 一种改进型皮肤检测仪
CN110364103A (zh) * 2019-08-08 2019-10-22 深圳市洲明科技股份有限公司 显示模组位置校正方法及显示屏

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106764726A (zh) * 2017-01-04 2017-05-31 江苏宜美照明科技股份有限公司 一种led筒灯

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US20090154153A1 (en) * 2007-12-12 2009-06-18 Genius Electronic Optical Co., Ltd. Led projector lamp
CN101598304A (zh) * 2008-06-02 2009-12-09 株式会社田村制作所 照明体
CN102287646A (zh) * 2011-08-01 2011-12-21 深圳市众明半导体照明有限公司 改善光效的led灯及其光效改善方法
CN102378876A (zh) * 2009-04-02 2012-03-14 皇家飞利浦电子股份有限公司 具有混合室的反射器
CN202188350U (zh) * 2011-08-01 2012-04-11 深圳市众明半导体照明有限公司 改善光效的led灯

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CN202901890U (zh) * 2012-08-03 2013-04-24 珠海市集利发展有限公司 Led光室
CN102788279B (zh) * 2012-08-03 2015-01-28 珠海市集利发展有限公司 Led光室
CN203656635U (zh) * 2013-12-12 2014-06-18 上海润尚光电科技有限公司 具有匀光效果的led聚光灯
CN205351208U (zh) * 2015-12-28 2016-06-29 深圳市百康光电有限公司 组合式led混光装置及具有该装置的led灯具

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Publication number Priority date Publication date Assignee Title
US20090154153A1 (en) * 2007-12-12 2009-06-18 Genius Electronic Optical Co., Ltd. Led projector lamp
CN101598304A (zh) * 2008-06-02 2009-12-09 株式会社田村制作所 照明体
CN102378876A (zh) * 2009-04-02 2012-03-14 皇家飞利浦电子股份有限公司 具有混合室的反射器
CN102287646A (zh) * 2011-08-01 2011-12-21 深圳市众明半导体照明有限公司 改善光效的led灯及其光效改善方法
CN202188350U (zh) * 2011-08-01 2012-04-11 深圳市众明半导体照明有限公司 改善光效的led灯

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108253351A (zh) * 2018-02-06 2018-07-06 佛山市凯昌灯饰电器有限公司 一种多方向转动的导轨灯
CN109567759A (zh) * 2019-01-08 2019-04-05 深圳市视泰奇科技有限公司 一种改进型皮肤检测仪
CN110364103A (zh) * 2019-08-08 2019-10-22 深圳市洲明科技股份有限公司 显示模组位置校正方法及显示屏

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