[go: up one dir, main page]

WO2018165807A1 - Ampoule à del à double enveloppe d'ampoule - Google Patents

Ampoule à del à double enveloppe d'ampoule Download PDF

Info

Publication number
WO2018165807A1
WO2018165807A1 PCT/CN2017/076385 CN2017076385W WO2018165807A1 WO 2018165807 A1 WO2018165807 A1 WO 2018165807A1 CN 2017076385 W CN2017076385 W CN 2017076385W WO 2018165807 A1 WO2018165807 A1 WO 2018165807A1
Authority
WO
WIPO (PCT)
Prior art keywords
bulb
led
lamp
double
light
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.)
Ceased
Application number
PCT/CN2017/076385
Other languages
English (en)
Chinese (zh)
Inventor
周南庆
吴荣奎
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.)
Mainhouse Xiamen Electronics Co Ltd
Original Assignee
Mainhouse Xiamen Electronics Co Ltd
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 Mainhouse Xiamen Electronics Co Ltd filed Critical Mainhouse Xiamen Electronics Co Ltd
Priority to PCT/CN2017/076385 priority Critical patent/WO2018165807A1/fr
Priority to PCT/CN2017/119747 priority patent/WO2018166278A1/fr
Publication of WO2018165807A1 publication Critical patent/WO2018165807A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
    • 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
    • F21V15/00—Protecting lighting devices from damage
    • F21V15/02—Cages
    • 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
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • 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
    • 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
    • F21V3/00—Globes; Bowls; Cover glasses

Definitions

  • the invention relates to a LED bulb, in particular to a double bulb LED bulb.
  • the traditional incandescent lamp has a relatively large illumination angle, but compared with the LED lamp, the energy consumption is high and the service life is short. Now the market in Europe and the United States needs a large angle LED lamp to replace the traditional incandescent lamp, and at the same time, it is desired to have a shape and a traditional incandescent lamp. The lights are similar.
  • LED is a kind of semiconductor material made of electroluminescence. It has excellent characteristics such as low voltage, high efficiency, good monochromaticity, strong applicability, good stability, short response time, long life and no pollution to the environment. Widely used in lighting, decoration and other fields.
  • An LED bulb based LED chip has emerged. An important difference between this type of LED bulb and a conventional incandescent bulb is that the illuminator in the bulb is replaced by an LED chip.
  • the illumination angle of the LED chip is generally only about 120 degrees, and most of them have the problem of glare. To achieve a large illumination angle, the angle of the lens needs to be diverged to make the angle larger, but the light emitted by the lens is generally uneven, visually There are obvious light and dark rays, so ordinary LED lights can not meet the market requirements.
  • the invention patent No. 201410032322.4 discloses an LDE lamp with a double-layer bulb
  • the lamp body is provided with a lamp cap at one end and the other end is installed a small bubble shell and a large bulb shell covering the outer side of the small bulb shell, the inner space of the lamp body is mounted with electrical components; an LED chip is mounted on the bottom surface of the small bulb shell, and the bottom surface of the small bulb shell is higher than the large one The bottom surface of the bulb is at a certain distance.
  • the structure allows the light of the LED chip to pass through the diffusion of the two layers of the bulb, thereby expanding the illumination angle of the whole lamp.
  • the above-mentioned LED lamp with a double-layered bulb ensures a good heat dissipation, and the lamp holder needs to be provided with a large volume to ensure the heat dissipation efficiency of the LED.
  • the body of the LED lamp of the blister is thicker, and there is still a big difference between the shape of the traditional incandescent lamp.
  • the LED chip of the LED lamp with the double-layer bulb is gradually diffused by the two-layer milk white bulb, the effective lumen of the whole lamp is seriously degraded, and the diffusion angle can only reach about 250 degrees, even if the reflector is added, The angle of illumination can only reach about 270.
  • the present inventors have developed and designed the present invention in view of the many shortcomings and inconveniences caused by the unfinished design of the LED lamp structure having the double-layered blister.
  • the solution of the present invention is:
  • a double-bubble LED bulb comprising a lamp cap, a lamp holder fitted on the top of the lamp cap, a circuit board for driving the LED chip, a columnar base disposed at the top of the lamp holder, and a bulb shell disposed on the outer ring of the column base, And an outer bulb disposed on the outer ring of the inner bulb, the column base is tapered upward from the socket, the heat dissipation channel is formed inside the column base, and the outer circumference of the column base is equidistantly provided with at least three columns of LED lamps Strips, a plurality of LED chips are distributed on each LED strip, each The distance between the LED chip and the inner bulb is D>0, the top end of the inner bulb is provided with an air outlet communicating with the heat dissipation channel, and the top end of the outer bulb is provided with a vent opposite to the air outlet.
  • the inner bulb is a cone having a narrow width and a narrow width.
  • the inner bulbs respectively form an outer convex area corresponding to the positions of the LED light strips, and the inner bulbs respectively form a concave area corresponding to the position between the adjacent two LED light strips, the inner concave area and the outer convex area
  • the arc is excessive.
  • the convex region of the inner bulb is a curved surface.
  • each of the LED light bar light LED chips to extend the intersection of the center line O, the width of the LED chip emitting chord length L, the light emitting angle of 120 °, incident angle of 0 ° ⁇ 1 ⁇ 45 °, the arc bulb The arc length AB of the surface satisfies the following conditions:
  • the angle between 3OA and OB is ⁇ 120°;
  • the inner bulb outer convex region is a plane.
  • the concave area of the inner bulb is a curved surface.
  • the columnar base is a heat dissipating aluminum piece.
  • the lamp holder is adjacent to the lower end edge of the lamp head and has an air inlet.
  • the present invention can greatly enlarge the light-emitting area by providing a plurality of rows of LED light bars on the columnar base having a narrow width and a narrow width, and then cooperate with the cover to function as a uniform light and anti-glare outside the LED light bar.
  • the bulb and the transparent outer bulb with the dustproof and safety protection function outside the inner bulb, so that the light of the LED chip is successively diffused by the inner bulb and the outer bulb, so that the illumination angle of the whole lamp is greater than 300 °, and the light is soft and uniform, in line with ENERGY STAR's standard for the angle of the lamp.
  • the columnar base of the invention is arranged longitudinally, so that the LED light bars are three-dimensionally distributed in the double bubble shell, and the bulb thus formed does not have a thick lamp holder, and therefore, the appearance of the traditional incandescent lamp is more To be close.
  • the present invention designs an inner bulb having a lens function according to the Nefer's formula, the shape and structure of the LED chip, and the function can effectively improve the light transmittance of the inner bulb, so that the illumination angle of the whole lamp is greater than 300°.
  • the light is soft and uniform, in line with ENERGY STAR's standard for the angle of the bulb, at the same time, reducing the loss of effective lumens and improving the light efficiency of the whole lamp.
  • FIG. 1 is a schematic view of the appearance of a first preferred embodiment of the present invention.
  • Figure 2 is a longitudinal cross-sectional view showing a first preferred embodiment of the present invention.
  • FIG. 3 is a schematic diagram of illumination according to a first preferred embodiment of the present invention.
  • Figure 4 is a transverse cross-sectional view of a first preferred embodiment of the present invention.
  • FIG. 5 is a schematic diagram of illumination according to a second preferred embodiment of the present invention.
  • Figure 6 is a transverse cross-sectional view showing a second preferred embodiment of the present invention.
  • Figure 7 is a transverse cross-sectional view showing a third preferred embodiment of the present invention.
  • Figure 8 is a plot of reflectance as a function of incident angle ⁇ 1 .
  • Figure 9 is a light distribution test chart of the present invention in the state of C0-C180.
  • Figure 10 is a graph showing the light distribution test of the present invention in the C90-C270 state.
  • Fig. 11 is a schematic view showing the light distribution measured by the conventional double-layer bulb LED-A60 (inner + outer milk white bulb) in the C0-C180 state.
  • Fig. 12 is a schematic view showing the light distribution measured by the conventional double-layer bulb LED-A60 (inner + outer milk white bulb) in the C90-C270 state.
  • Figure 13 shows the existing double-layer bulb LED-A60 (without inner bulb) in the C0-C180 state. Schematic diagram of the measured light distribution.
  • Fig. 14 is a schematic view showing the light distribution measured by the conventional double-layer bulb LED-A60 (without the inner bulb) in the C90-C270 state.
  • Figure 15 is a light distribution diagram of the LED bubble lamp LED-A60 (without blister) of the double-layer bulb of the present invention measured at C45 (Max), C0-C180, and C90-C270.
  • Fig. 16 is a view showing the light distribution of the double-bulb LED bulb LED-A60 (inner bulb having a lens function) at C45 (Max), C0-C180, and C90-C270.
  • Figure 17 is a diagram showing the light distribution of the LED bulb LED-A60 (inner bulb without lens function) of the double-layer bulb of the present invention at C45 (Max), C0-C180, and C90-C270.
  • the present invention discloses a double-bubble LED bulb
  • FIG. 1 to FIG. 7 are three preferred embodiments of the present invention.
  • the double-bubble LED bulbs of the three embodiments each include a lamp cap 1 and a lamp cap. a lamp holder 2 at the top, a circuit board 3 for driving the operation of the LED chip, a columnar base 4 disposed at the top of the lamp holder 2, a bulb 5 provided in the outer ring of the columnar base 4, and an outer ring provided in the outer ring of the inner bulb 5.
  • the lamp holder 2 is adjacent to the lower end edge of the lamp cap 1 and has an air inlet port 21.
  • the columnar base 4 is a heat dissipating aluminum member which is tapered upward from the lamp holder 2.
  • the columnar base 4 defines a heat dissipation passage 7 inside, and the column base 4 outer rings are equidistantly provided with at least three columns of LED strips 8 (as shown in the respective figures, three embodiments are described by taking four columns of LED strips 8 as an example), and a plurality of LEDs are distributed on each of the LED strips 8
  • the chip 81 has a distance D>0 between the LED chips 81 and the inner bulb 5, and the top end of the inner bulb 5 is provided with an air outlet 51 communicating with the heat dissipation channel 7.
  • the top end of the outer bulb 6 is provided with a vent 61 opposite to the air outlet 51.
  • the hot air in the bulb is discharged from the top of the heat dissipating passage 7 through the heat dissipating aluminum member, and the bottom of the heat dissipating passage 7
  • the air inlet 21 of the lamp holder 2 communicates with the air inlet 21 of the lamp housing 5, and the air outlet 51 of the inner bulb 5 and the air outlet 61 of the outer bulb 6 communicate with each other to form a small heat dissipation channel.
  • the air generates a temperature difference, thereby accelerating the flow of the gas.
  • the heat dissipation of the present invention is mainly achieved by the air flow, and at the same time, the lamp holder 2 can also dissipate heat, and only the heat dissipation fins of the LED lamp of the existing double-layer bulb are used.
  • the contact heat dissipation of the sheet, the heat dissipation efficiency of the invention is higher, the heat dissipation effect is better, and the service life of the LED lamp bead is more favorable.
  • the invention provides a plurality of rows of LED strips 8 on the columnar base 4 which is narrow in the lower width, and then cooperates with the inner bulb 5 which functions as a uniform light and anti-glare outside the LED strip 8 and cooperates with the inner bulb.
  • the transparent outer bulb 6 having dustproof and safety protection function outside the shell 5, so that the light of the LED chip 81 is successively diffused by the inner bulb 5 and the outer bulb 6, so that the illumination angle of the whole lamp is larger, compared with
  • the LED lamp of the existing double-layer bulb has a wider illumination range and higher lumen; the columnar base 4 of the present invention is longitudinally disposed, so that the LED strips 8 are stereoscopically distributed in the double bulbs 5 and 6, so The resulting bulb does not have a thick lamp holder and, therefore, is closer to the appearance of a conventional incandescent lamp.
  • the three embodiments of the present invention differ in that the structure of the inner bulb 5 is different.
  • the inner bulb 5 is respectively formed with an outer convex portion 52 corresponding to the position of each of the LED light strips 8, and the inner bulb 5 corresponds to two adjacent LED light strips 8
  • the positions between the recesses 53 and the outer convex regions 52 are excessively curved.
  • the outer convex portions 52 and the inner concave portions 53 of the inner bulb 5 are each Curved surface.
  • the inner bulb 5 is respectively formed with an outer convex portion 52 corresponding to the positions of the LED light strips 8 , and the inner bulb 5 corresponds to two adjacent LED light strips.
  • the positions between 8 respectively form a concave area 53, and the concave area 53 and the outer convex area 52 are adopted.
  • each of the outer convex regions 52 of the inner bulb 5 is a flat surface, and each inner concave portion 53 is a curved surface.
  • the inner bulb 5 is a cone having a narrow width and a narrow width.
  • the inner bulb 5 of the above three embodiments has a significantly larger illumination angle than the existing double-layer bulb LED lamp which is designed with the LED chip on the bottom surface of the lamp holder, in order to further improve the luminous efficacy of the whole lamp and reduce the lumen
  • the LED chip 81 emits light in a fan-shaped manner in which the light-emitting width L of the LED chip 81 is a chord length and the angle is 120°.
  • the formula of the ratio of the energy of refraction to the incident energy can be obtained.
  • the derivation process is as follows:
  • the inner bulb 5 has a refractive index n, the incident energy is I 1 , the reflected energy is I′ 1 , the refractive energy I 2 , the incident angle is ⁇ 1 , the refraction angle is ⁇ 2 , and the parallel component of the incident light amplitude (parallel
  • the plane formed by the incident light and the reflected light is A p1 , the parallel component of the amplitude of the reflected light is A' p1 , the parallel component of the amplitude of the refracted light is A p2 ; the vertical component of the amplitude of the incident light is A s1 , and the vertical amplitude of the reflected light
  • the component is A' s1 , and the vertical component of the refracted light amplitude is A s2 ; the luminance I is set with the superscript.
  • the reflectance plotted as shown in Figure 8 is a function of the angle of incidence ⁇ 1 .
  • This curve is calculated when an incident light wave in the air is projected onto a glass having a refractive index of 1.73.
  • Fig. 8 the surface is shown.
  • ⁇ 1 0°, that is, when it is perpendicularly incident on the interface, the light is reflected least and transmitted a lot.
  • ⁇ 1 ⁇ 45° the increase of light reflection is slow, and the projection is The reduction is very slow, about equal to the value of normal incidence.
  • the region of 45° ⁇ ⁇ 1 ⁇ 90° the light is reflected more and more, and the refraction is less and less.
  • the incident angle when the incident angle is 0 ⁇ ⁇ 1 ⁇ 45 °, the light transmittance is the highest. Therefore, when designing the inner bulb 5, in order to achieve the desired light transmittance, the incident angle of the light and the bulb should be in the range of 0 ⁇ ⁇ 1 ⁇ 45 °.
  • the inner bulb 5 outside the LED chip 81 is designed to have a circular arc (as in the first embodiment); and the arc AB satisfies the following points:
  • the angle between 3OA and OB is ⁇ 120°;
  • the test procedure and test results of the illumination angles of the conventional LED lamps of the same type LED-A60 (ie, the maximum diameter of the lamp is 60 mm) and the LED lamp of the present invention are shown.
  • the test machine adopts Zhejiang three-color light distribution tester.
  • the standard adopts the North American Industry Association standard "ANSI C78.379 shooting light angle standard", which specifies that the illumination angle is a semi-light intensity angle, that is, the position that reaches half of the maximum light intensity can be considered effective. angle.
  • the test process is to install the lamp on the three-color light distribution tester in Zhejiang.
  • the light collector 9 will circulate around the lamp to collect light. As shown in Fig.
  • the light collector 9 in the C0-C180 state of the lamp, the light collector 9 is wound around the lamp. After one revolution, all the light of the luminaire on this axis was collected and presented in the test report C0-C180. After the axis is tested, the LED light will turn 90 degrees according to the command, so that the axis becomes C90-C270. As shown in Figure 10, the light collector 9 turns around the lamp again, collecting all the light of the axis, which is presented in The test reports the light distribution of C90-C270.
  • test results can be obtained as follows:
  • the LED light bar 8 of the present invention is placed vertically in the center of the light bulb, which can greatly enlarge the light-emitting area, and the inner bulb 5 close to the LED light bar 8 can achieve uniform light and anti-glare.
  • the transparent outer bulb 6 disposed outside has the function of dustproof and safety protection, so that the illumination angle of the whole lamp is greater than 300 degrees, and the light is soft and uniform, which conforms to the standard of the "Energy Star" for the angle of the bulb, especially
  • the inner bulb 5 of the present invention designs an inner bulb 5 having a lens function according to the Finney formula, the shape and structure of the LED chip, and the function can effectively improve the light transmittance of the inner bulb, thereby allowing the whole lamp to The angle is more than 300 degrees, and the light is soft and even. According to the "Energy Star Standard", it reduces the loss of effective lumens and improves the light efficiency of the whole lamp.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Led Device Packages (AREA)

Abstract

L'invention concerne une ampoule à DEL à double enveloppe d'ampoule, comprenant un porte-ampoule (1), une base (2) d'ampoule s'ajustant en haut du porte-ampoule (1), une carte de circuit imprimé (3) commandant le fonctionnement d'une puce de DEL, une monture en colonne (4) disposée en haut de la base (2) d'ampoule, une enveloppe intérieure (5) d'ampoule disposée autour de la monture en colonne (4) et une enveloppe extérieure (6) d'ampoule disposée autour de l'enveloppe intérieure (5) d'ampoule. La monture en colonne (4) est effilée vers le haut depuis la base (2) de lampe, et un canal de dissipation thermique (7) est formé à l'intérieur de la monture en colonne (4). Au moins trois colonnes de barres (8) de lampes à DEL sont disposées à des intervalles égaux autour de la monture en colonne (4). Une pluralité de puces de DEL (81) sont réparties sur chaque barre (8) de DEL. La distance (D) entre chaque puce de DEL (81) et l'enveloppe intérieure (5) d'ampoule est supérieure à 0. Une sortie d'air (51) qui est en communication avec le canal de dissipation thermique (7) est disposée à l'extrémité supérieure de l'enveloppe intérieure (5) d'ampoule. Un port d'aération (61) qui est en communication avec la sortie d'air (51) est disposé à l'extrémité supérieure de l'enveloppe extérieure (6) d'ampoule. L'ampoule à DEL à double enveloppe d'ampoule a un grand angle d'éclairage et une grande aire d'éclairage, et la lumière qu'elle émet est douce et uniforme.
PCT/CN2017/076385 2017-03-13 2017-03-13 Ampoule à del à double enveloppe d'ampoule Ceased WO2018165807A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/CN2017/076385 WO2018165807A1 (fr) 2017-03-13 2017-03-13 Ampoule à del à double enveloppe d'ampoule
PCT/CN2017/119747 WO2018166278A1 (fr) 2017-03-13 2017-12-29 Ampoule à del dotée d'un boîtier d'ampoule double

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2017/076385 WO2018165807A1 (fr) 2017-03-13 2017-03-13 Ampoule à del à double enveloppe d'ampoule

Publications (1)

Publication Number Publication Date
WO2018165807A1 true WO2018165807A1 (fr) 2018-09-20

Family

ID=63521974

Family Applications (2)

Application Number Title Priority Date Filing Date
PCT/CN2017/076385 Ceased WO2018165807A1 (fr) 2017-03-13 2017-03-13 Ampoule à del à double enveloppe d'ampoule
PCT/CN2017/119747 Ceased WO2018166278A1 (fr) 2017-03-13 2017-12-29 Ampoule à del dotée d'un boîtier d'ampoule double

Family Applications After (1)

Application Number Title Priority Date Filing Date
PCT/CN2017/119747 Ceased WO2018166278A1 (fr) 2017-03-13 2017-12-29 Ampoule à del dotée d'un boîtier d'ampoule double

Country Status (1)

Country Link
WO (2) WO2018165807A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103759155A (zh) * 2014-01-23 2014-04-30 正屋(厦门)电子有限公司 一种具有双层泡壳的led灯
CN203718426U (zh) * 2013-12-06 2014-07-16 宁波爱美克思照明电器有限公司 一种大角度发光的led灯泡
CN204879623U (zh) * 2015-07-07 2015-12-16 佛山燊业光电有限公司 一种广角发光led灯
CN204943057U (zh) * 2015-07-16 2016-01-06 合肥瑞华电子科技有限责任公司 一种led装饰灯
CN105972461A (zh) * 2016-06-30 2016-09-28 浙江生辉照明有限公司 一种led光源模组及led灯
CN205909043U (zh) * 2016-08-08 2017-01-25 漳州立达信光电子科技有限公司 Led灯

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201902885U (zh) * 2010-03-23 2011-07-20 黄赟山 一种散热性能良好的led灯泡
CN201827748U (zh) * 2010-09-10 2011-05-11 林峻毅 组合柱形led灯
US8272766B2 (en) * 2011-03-18 2012-09-25 Abl Ip Holding Llc Semiconductor lamp with thermal handling system
CN103148388A (zh) * 2012-12-20 2013-06-12 杭州临安恒星照明电器有限公司 Led芯片全角度节能灯
CN203743877U (zh) * 2013-12-26 2014-07-30 上海顿格电子贸易有限公司 螺旋状发光二极管灯丝
CN106870971A (zh) * 2017-03-13 2017-06-20 正屋(厦门)电子有限公司 一种双泡壳的led泡灯

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203718426U (zh) * 2013-12-06 2014-07-16 宁波爱美克思照明电器有限公司 一种大角度发光的led灯泡
CN103759155A (zh) * 2014-01-23 2014-04-30 正屋(厦门)电子有限公司 一种具有双层泡壳的led灯
CN204879623U (zh) * 2015-07-07 2015-12-16 佛山燊业光电有限公司 一种广角发光led灯
CN204943057U (zh) * 2015-07-16 2016-01-06 合肥瑞华电子科技有限责任公司 一种led装饰灯
CN105972461A (zh) * 2016-06-30 2016-09-28 浙江生辉照明有限公司 一种led光源模组及led灯
CN205909043U (zh) * 2016-08-08 2017-01-25 漳州立达信光电子科技有限公司 Led灯

Also Published As

Publication number Publication date
WO2018166278A1 (fr) 2018-09-20

Similar Documents

Publication Publication Date Title
US10139095B2 (en) Reflector and lamp comprised thereof
TWI412689B (zh) 燈具
US8833979B2 (en) Light source device with outer lens and light source system using the same
EP2698578A1 (fr) Spot à led anti-éblouissement
JP6222445B2 (ja) 照明装置
JP6292509B2 (ja) 照明装置
US20110096565A1 (en) Light source apparatus
TWI542814B (zh) 發光二極體燈泡
KR102388796B1 (ko) 조명 장치
CN207674143U (zh) 一种灯具泡壳
JP2012156123A (ja) 照明装置
CN206861289U (zh) 一种灯具二次光学结构
WO2018165807A1 (fr) Ampoule à del à double enveloppe d'ampoule
TWI418741B (zh) Lighting device
CN102192471A (zh) 光学透镜及包含该光学透镜的照明装置
CN206555751U (zh) 一种双泡壳的led泡灯
CN215216072U (zh) 一种线性灯具的防眩灯罩
CN104110619B (zh) 广配光灯罩及具有广配光灯罩的灯具
WO2013020367A1 (fr) Nouvel éclairage à del
CN201330995Y (zh) 一种led灯的透镜
TWI386597B (zh) 光學透鏡及包含該光學透鏡之照明裝置
WO2019033631A1 (fr) Projecteur de source de lumière en surface à del facile à refroidir
CN102102815A (zh) 反射式发光组件
CN206754840U (zh) 一种灯具晶点配光结构
TWI555948B (zh) Led球泡燈

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 17900992

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 17900992

Country of ref document: EP

Kind code of ref document: A1