WO2020228315A1 - Lampe par à focale variable et son procédé de mise en œuvre - Google Patents

Lampe par à focale variable et son procédé de mise en œuvre Download PDF

Info

Publication number
WO2020228315A1
WO2020228315A1 PCT/CN2019/124987 CN2019124987W WO2020228315A1 WO 2020228315 A1 WO2020228315 A1 WO 2020228315A1 CN 2019124987 W CN2019124987 W CN 2019124987W WO 2020228315 A1 WO2020228315 A1 WO 2020228315A1
Authority
WO
WIPO (PCT)
Prior art keywords
lens
light source
cob
light
cob light
Prior art date
Application number
PCT/CN2019/124987
Other languages
English (en)
Chinese (zh)
Inventor
药左红
胡太荣
陈亮
Original Assignee
横店集团得邦照明股份有限公司
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 横店集团得邦照明股份有限公司 filed Critical 横店集团得邦照明股份有限公司
Publication of WO2020228315A1 publication Critical patent/WO2020228315A1/fr

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
    • F21S8/00—Lighting devices intended for fixed installation
    • 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
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • 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
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/12—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by screwing
    • 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
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
    • 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
    • F21V29/85—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems characterised by the material

Definitions

  • the invention relates to spotlight technology, in particular to a zoom PAR lamp and an implementation method thereof.
  • the global market has an increasing demand for spotlights, not only for commercial lighting, but also for household lighting.
  • the demand for spotlights is increasing. People's needs for lighting have gradually changed from simple lighting needs. In order to diversify, more and more spotlights are used to set off the atmosphere of the family environment.
  • the PAR lamp products on the market are basically one lamp and one angle. If there are two angles, two lamps are needed. When using two angles, you can only buy one more angle product.
  • the heat dissipation materials used in products with the same lumen and the same CRI on the market are all die-cast aluminum, and the surface needs to be sprayed. Not only is the material cost high, but the surface spraying cost is also high. Therefore, the following technical problems exist in the prior art:
  • the purpose of the present invention is to overcome the shortcomings of the above prior art, and provide a zoom PAR lamp with simple structure, low cost, simple zoom mode of the same lamp and good heat dissipation.
  • Another object of the present invention is to provide a method for implementing the zoom PAR lamp.
  • a zoom PAR lamp comprising a lamp housing, the bottom of the lamp housing is connected to the lamp holder, the lamp housing is provided with a driving circuit, a heat sink is also provided in the lamp housing, and the heat sink is connected with COB light source fixing seat, COB light source is arranged in the COB light source fixing seat, the COB light source is connected with the driving circuit, the lens fixing seat and the COB light source fixing seat form a relative up and down movement setting, the lens is arranged in the lens fixing seat, and the upper part of the lens is connected with the lens fixing ring.
  • the COB light source fixing seat includes a COB light source fixing seat body, the middle of the COB light source fixing seat body is provided with a first convex part, the first convex part is provided with a COB light source mounting part for COB light source installation, and the COB light source fixing seat body is provided with two There are more than one vertical column, and the vertical column is provided with a boss.
  • the COB light source fixing base body has a circular structure, and the COB light source fixing base body is evenly distributed with 3 longitudinal columns around the periphery.
  • the lens fixing base includes a lens fixing base body, the lens fixing base body is provided with a through groove matching with the boss obliquely upward, and the lens fixing base body is provided with a first buckle connected with the lens.
  • the lens includes a lens mounting body, the upper part of the lens mounting body is provided with a buckle that is matched with the lens fixing ring, and the middle of the lens mounting body is provided with a convex lens body with two concave sides.
  • the lens body includes a light source that projects light into the lens body.
  • the light surface has a light-emitting surface where the light in the lens body refracts the light-emitting surface of the lens body, and a reflective surface used to reflect part of the light entering the body from the light-receiving surface to the light-emitting surface; under the lens is a COB light source.
  • the lens fixing ring has a ring structure, and a plurality of lens fixing ring buckles connected with the lens mounting body are provided on the circumference of the inner ring.
  • a tooth-shaped part is arranged in the through groove, and two ends of the through groove are provided with fixing holes.
  • the lower part of the through groove has a hollow structure.
  • the implementation method of the aforementioned zoom PAR light includes the following steps:
  • the COB light source emits light
  • the light from the COB light source is projected into the light-receiving surface of the lens
  • the light in the lens is refracted out of the light-emitting surface of the lens
  • part of the light used to enter the light-receiving surface into the lens is reflected
  • the lens moves axially with respect to the COB of the light source, and the movement stroke is fixed. Before and after the axial movement of the lens, the beam angles of the light beams from the two top end light exit surfaces of the movement stroke are correspondingly larger and smaller;
  • the light-emitting angle is 25 degrees; when the light source COB and the lens are relatively close, the light-emitting angle is 40 degrees, and the angle range can be switched between 40 degrees and 25 degrees. The conversion of two angles of the same lamp.
  • the COB light source fixing base includes a COB light source fixing base body, the COB light source fixing base body is provided with a first convex part in the middle, and a COB light source mounting part for installing the COB light source is provided on the first convex part ,
  • the COB light source fixing base body is provided with more than two longitudinal uprights around the body, and the longitudinal uprights are provided with bosses;
  • the COB light source fixing base body is a circular structure, and the COB light source fixing base body is evenly distributed with 3 longitudinal uprights around the body;
  • the COB light source fixing base includes a COB light source fixing base body, the COB light source fixing base body is provided with a through groove matching with the boss obliquely upward, and the COB light source fixing base body is provided with a first buckle connected with the lens;
  • the lens includes Lens mounting body, the upper part of the lens mounting body is provided with a buckle that is matched with the lens fixing ring, and the middle part of the lens mounting body is provided with a
  • the lens body includes a light-receiving surface through which light from a light source is projected into the lens body.
  • the light in the lens body refracts the light exit surface of the lens body, and the reflecting surface used to reflect part of the light entering the body from the light collection surface to the light exit surface; below the lens is a COB light source;
  • the lens fixing ring is a ring structure with an inner
  • a plurality of lens fixing ring buckles connected with the lens mounting body are arranged on the ring circumference; a tooth-like part is arranged in the through groove, and fixing holes are arranged at both ends of the through groove; the lower part of the through groove is a hollow structure.
  • the present invention has the following advantages and effects:
  • the present invention includes a lamp housing, the bottom of the lamp housing is connected to a lamp cap, a driving circuit is provided inside the lamp housing, a heat sink is also provided in the lamp housing, a COB light source fixing base is connected to the heat sink, and a COB light source is arranged in the COB light source fixing base.
  • the COB light source is connected to the drive circuit, the lens holder and the COB light source holder form a relative up and down movement setting, the lens holder is arranged in the lens holder, and the upper part of the lens is connected with the lens holder ring. It has simple structure, low cost, simple zoom method of the same lamp and heat dissipation. Good sex and other characteristics.
  • the COB light source fixing base in the present invention includes a COB light source fixing base body, the middle of the COB light source fixing base body is provided with a first convex part, the first convex part is provided with a COB light source mounting part for installing a COB light source, and a COB light source fixing base
  • Two or more longitudinal uprights are arranged around the main body, and the longitudinal uprights are provided with bosses; the structure is simple, the axial movement is realized, and the zoom can be performed.
  • the lens holder in the present invention includes a lens holder body, the lens holder body is provided with a through groove matching with the boss obliquely upwards, and the lens holder body is provided with a first buckle connected with the lens; To move, the buckle connection method is simple, and the assembly is convenient.
  • the lens of the present invention includes a lens mounting body, the upper part of the lens mounting body is provided with a buckle that is matched with the lens fixing ring, and the middle part of the lens mounting body is provided with a lens body with a convex and concave sides.
  • the lens body includes a light source for light projection.
  • the light-receiving surface of the lens body has a light-emitting surface that refracts light from the lens body and a reflective surface that reflects part of the light entering the body from the light-receiving surface to the light-emitting surface; below the lens is a COB light source;
  • the angle range is switched between 40 degrees and 25 degrees. In order to achieve the conversion of two angles of the same lamp, this greatly reduces the user's purchase cost and covers the needs of two user scenarios.
  • the lens holder of the present invention can rotate and expand along the axis of the product with the light source fixing seat; the lens holder and the lens ring clamp the lens and use a buckle connection to achieve a fixed connection, and the lens ring is grasped by fingers to rotate the lens clockwise or counterclockwise
  • the ring realizes telescopic movement to achieve the purpose of driving the lens to perform axial telescopic movement; the lens holder is connected to the three-section spiral tooth groove on the light source fixing seat through three circular protrusions on the body, and through three circular protrusions
  • the spiral movement in the spiral tooth groove realizes the telescopic movement; the light source is pressed and fitted on the heat sink through the light source fixing seat, and the lens covers the light source.
  • the overall structural components of this scheme are easy to assemble, simple to operate, and high in production efficiency.
  • the present invention uses a thermally conductive plastic shell without spraying.
  • the internal matching 1060 pure aluminum material only needs to be cleaned.
  • the die-cast aluminum is light in weight, low in price, cheap in processing costs, and also saves the cost of surface spraying.
  • the lamp has low power and high lumens, more energy saving and consumption reduction; and it has high assembly efficiency, simple operation, high production efficiency, high material qualification rate, and low process control cost. It is better than the same type of products on the market in all aspects, and is extremely popular with customers. , Which is conducive to sustainable development.
  • Figure 1 is a schematic diagram of the explosive structure of a zoom PAR lamp
  • FIG. 2 is a schematic diagram of the connection structure between the COB light source fixing seat and the lens fixing seat in the present invention
  • Figure 3 is a schematic diagram of the structure of the COB light source fixing seat in the present invention.
  • Fig. 4 is a schematic diagram of the structure of the lens holder in the present invention.
  • FIG. 5 is a schematic diagram of the structure of the lens in the present invention.
  • FIG. 6 is a schematic diagram of the structure when the light-emitting angle is 25 degrees in the present invention.
  • FIG. 7 is a schematic diagram of the structure when the light-emitting angle is 40 degrees in the present invention.
  • a zoom PAR lamp includes a lamp housing, the bottom of the lamp housing is connected to a lamp holder, a drive circuit is provided inside the lamp housing, a heat sink is also provided in the lamp housing, and a COB light source fixing seat is connected to the heat sink ,
  • the COB light source is arranged in the COB light source fixing seat, the COB light source is connected with the driving circuit, the lens fixing seat and the COB light source fixing seat form a relative up and down movement setting, the lens is arranged in the lens fixing seat, and the upper part of the lens is connected with the lens fixing ring.
  • the driving circuit in this embodiment is built-in, adopting the 18W non-isolated driving QX9911 produced by Shenzhen Lijiasheng Electronics Co., Ltd., and the COB light source adopts the SP16 COB light source produced by Jinko Factory.
  • the COB light source fixing base in this embodiment includes a COB light source fixing base body, the middle of the COB light source fixing base body is provided with a first convex part, and the first convex part is provided with a COB light source mounted with the COB light source
  • the installation part there are more than two vertical columns around the body of the COB light source fixing base, and there are bosses on the vertical columns; the body of the COB light source fixing base has a circular structure, and there are 3 longitudinal columns evenly distributed around the body of the COB light source fixing base.
  • the lens holder in this embodiment includes a lens holder body, the lens holder body is provided with a through groove matching the boss obliquely upward, and the lens holder body is provided with a first lens connected to the lens.
  • a buckle a toothed part is arranged in the through groove, and two ends of the through groove are provided with fixing holes; the lower part of the through groove is a hollow structure.
  • the lens in this embodiment includes a lens mounting body, the upper part of the lens mounting body is provided with a buckle that is matched with the lens fixing ring, and the middle part of the lens mounting body is provided with a convex lens body with two concave sides.
  • the lens body includes The light from the light source is projected into the light-receiving surface of the lens body, the light in the lens body is refracted out of the light-emitting surface of the lens body, and the reflecting surface used to reflect part of the light from the light-receiving surface into the body to the light-emitting surface; under the lens is COB light source.
  • the lens fixing ring in this embodiment has a ring structure, and a plurality of lens fixing ring buckles connected with the lens mounting body are provided on the circumference of the inner ring.
  • the lens holder is fastened to the lens by a buckle.
  • the lens holder is connected and fixed with three bosses on the COB light source holder through three through grooves.
  • the COB light source is attached to the heat sink and passes through the COB light source through screws.
  • the fixing seat is locked on the radiating seat and pressed and fixed, the radiating seat is installed in the shell, and the drive circuit is installed in the shell, and the shell is screwed and riveted with the lamp cap through the thread.
  • the lens holder can rotate and retract along the axis of the product with the COB light source holder; the lens holder and the lens holder ring clamp the lens and use 3 sets of buckle connections to realize the fixed connection.
  • the lens fixing seat is connected to the light source fixing seat through the three-section spiral tooth groove on the body (with toothed part through groove)
  • the three circular bosses are connected, and the telescopic movement is realized by the spiral movement of the three circular bosses in the spiral tooth groove.
  • the COB light source is pressed and fitted on the heat sink through the light source fixing seat, and the lens covers the COB light source.
  • the implementation method of the aforementioned zoom PAR light includes the following steps:
  • the COB light source emits light
  • the light from the COB light source is projected into the light-receiving surface of the lens
  • the light in the lens is refracted out of the light-emitting surface of the lens
  • part of the light used to enter the light-receiving surface into the lens is reflected
  • the lens moves axially with respect to the COB of the light source, and the movement stroke is fixed. Before and after the axial movement of the lens, the beam angles of the light beams from the two top end light exit surfaces of the movement stroke are correspondingly larger and smaller;
  • the light-emitting angle is 25 degrees; 60% of the light emitted by the light source radiates to the cup-shaped reflective walls on both sides, and the reflected light forms an illumination angle Small, forming a beam angle of 25 degrees; when the light source COB and the lens are relatively close, the light-emitting angle is 40 degrees, 70% of the light emitted by the light source is concentrated upward, and the light is refracted through the middle to form a large irradiation angle, forming a 40-degree beam angle;
  • the angle range can be switched between 40 degrees and 25 degrees, which can realize the conversion of two angles of the same lamp.
  • the COB light source fixing seat in this embodiment is provided with two longitudinal columns around the body, and they are arranged symmetrically; the shell adopts a thermally conductive plastic shell without spraying, and the interior is matched with 1060 pure aluminum material. It only needs to be cleaned.
  • the die-cast aluminum is light in weight, low in price, and cheap in processing costs. It also saves the cost of surface spraying.
  • the single lamp has low power and high lumen.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Securing Globes, Refractors, Reflectors Or The Like (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

L'invention concerne une lampe PAR à focale variable et son procédé de mise en œuvre, comprenant un boîtier (1), une douille (2) est relié au fond du boîtier (1), un circuit d'attaque (3) est disposé à l'intérieur du boîtier (1), un siège rayonnant (4) est disposé à l'intérieur du boîtier (1), un porte-source de lumière COB (5) est connecté à l'intérieur du siège rayonnant (4), une source de lumière COB (6) est disposée dans le porte-source de lumière COB (5) et est connecté au circuit d'attaque (3), un support de lentille (7) et le porte-source de lumière COB (5) peuvent se déplacer vers le haut et vers le bas l'un par rapport à l'autre, une lentille (8) est disposée dans le support de lentille (7), la partie supérieure de la lentille (8) est reliée à un anneau de fixation de lentille (9). La lampe présente les caractéristiques d'une structure simple, d'un faible coût de fabrication, d'un moyen de variation de mise au point simple de ladite lampe, d'une bonne propriété de dissipation de chaleur, etc.
PCT/CN2019/124987 2019-05-15 2019-12-13 Lampe par à focale variable et son procédé de mise en œuvre WO2020228315A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910402159.9A CN110030516A (zh) 2019-05-15 2019-05-15 一种变焦par灯及其实现方法
CN201910402159.9 2019-05-15

Publications (1)

Publication Number Publication Date
WO2020228315A1 true WO2020228315A1 (fr) 2020-11-19

Family

ID=67242177

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2019/124987 WO2020228315A1 (fr) 2019-05-15 2019-12-13 Lampe par à focale variable et son procédé de mise en œuvre

Country Status (2)

Country Link
CN (1) CN110030516A (fr)
WO (1) WO2020228315A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110030516A (zh) * 2019-05-15 2019-07-19 横店集团得邦照明股份有限公司 一种变焦par灯及其实现方法
CN111271662A (zh) * 2020-03-24 2020-06-12 横店集团得邦照明股份有限公司 一种光束可调par灯及其实现方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105135370A (zh) * 2015-08-25 2015-12-09 广东凯西欧照明有限公司 一种可应用于不同灯具上的安装壳体及其应用的灯具
CN105371126A (zh) * 2015-12-08 2016-03-02 厦门通士达照明有限公司 一种可变光束角的led射灯
CN207635166U (zh) * 2018-01-05 2018-07-20 广东凯西欧照明有限公司 一种组装方便的变焦灯
CN208457873U (zh) * 2018-08-09 2019-02-01 李江 一种可调焦距的灯具
US10208935B2 (en) * 2015-12-15 2019-02-19 Wangs Alliance Corporation LED lighting apparatus with adjustable beam angle lens
CN110030516A (zh) * 2019-05-15 2019-07-19 横店集团得邦照明股份有限公司 一种变焦par灯及其实现方法
CN209762834U (zh) * 2019-05-15 2019-12-10 横店集团得邦照明股份有限公司 一种变焦par灯

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202546284U (zh) * 2012-02-03 2012-11-21 张淑元 一种强光手电筒
CN205299121U (zh) * 2016-01-20 2016-06-08 厦门理工学院 一种变焦led灯
CN205618998U (zh) * 2016-03-14 2016-10-05 深圳市埃克苏照明系统有限公司 可调光束角的照明系统
CN106838824A (zh) * 2017-01-19 2017-06-13 成都恒坤光电科技有限公司 一种变焦透镜、变焦光学系统及变焦灯具

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105135370A (zh) * 2015-08-25 2015-12-09 广东凯西欧照明有限公司 一种可应用于不同灯具上的安装壳体及其应用的灯具
CN105371126A (zh) * 2015-12-08 2016-03-02 厦门通士达照明有限公司 一种可变光束角的led射灯
US10208935B2 (en) * 2015-12-15 2019-02-19 Wangs Alliance Corporation LED lighting apparatus with adjustable beam angle lens
CN207635166U (zh) * 2018-01-05 2018-07-20 广东凯西欧照明有限公司 一种组装方便的变焦灯
CN208457873U (zh) * 2018-08-09 2019-02-01 李江 一种可调焦距的灯具
CN110030516A (zh) * 2019-05-15 2019-07-19 横店集团得邦照明股份有限公司 一种变焦par灯及其实现方法
CN209762834U (zh) * 2019-05-15 2019-12-10 横店集团得邦照明股份有限公司 一种变焦par灯

Also Published As

Publication number Publication date
CN110030516A (zh) 2019-07-19

Similar Documents

Publication Publication Date Title
CN209762834U (zh) 一种变焦par灯
US10161570B2 (en) Lighting device and luminaire
CN101936466A (zh) 发光二极管灯具
JP2006202612A (ja) 発光装置及び照明装置
US8899778B2 (en) Optical cavity structure of LED lighting apparatus
JP2010170977A (ja) Ｌｅｄ反射ランプ
WO2020228315A1 (fr) Lampe par à focale variable et son procédé de mise en œuvre
CN201836765U (zh) Led射灯
JP2008117558A (ja) 照明用反射体および光源装置
CN102287727A (zh) Led筒灯及其灯体
WO2011091615A1 (fr) Dispositif de source lumineuse de type à régulation
TW201326667A (zh) Led球泡燈及led照明燈具
WO2013131385A1 (fr) Structure lumineuse et lampe à led équipée de celle-ci
CN202209602U (zh) 一种可变焦的led射灯
JP6628480B2 (ja) 照明器具
CN202140922U (zh) Led射灯
KR101863233B1 (ko) 배광각 조절기능이 구비된 led 투광기
TW201144691A (en) Lighting device with micro-structure brightness enhancement film
CN201866628U (zh) 发光角度可调的射灯
WO2009056000A1 (fr) Lentille combinée et luminaire l'utilisant
CN210891093U (zh) 照明模组和灯具
US20130114266A1 (en) Reflective unit and light source module having the same
CN202182358U (zh) 一种热管散热led反射灯
WO2019144613A1 (fr) Lampe à del vers le bas
CN101737740A (zh) 无影照明灯

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: 19928604

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: 19928604

Country of ref document: EP

Kind code of ref document: A1