CN102853290A - Light-emitting device - Google Patents

Light-emitting device Download PDF

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Publication number
CN102853290A
CN102853290A CN2012100884179A CN201210088417A CN102853290A CN 102853290 A CN102853290 A CN 102853290A CN 2012100884179 A CN2012100884179 A CN 2012100884179A CN 201210088417 A CN201210088417 A CN 201210088417A CN 102853290 A CN102853290 A CN 102853290A
Authority
CN
China
Prior art keywords
light
emitting device
guide device
light source
characterized
Prior art date
Application number
CN2012100884179A
Other languages
Chinese (zh)
Inventor
邹东兴
Original Assignee
明基电通有限公司
明基电通股份有限公司
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 明基电通有限公司, 明基电通股份有限公司 filed Critical 明基电通有限公司
Priority to CN2012100884179A priority Critical patent/CN102853290A/en
Publication of CN102853290A publication Critical patent/CN102853290A/en

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21KNON-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
    • F21K9/00Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/20Light sources comprising attachment means
    • F21K9/23Retrofit 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
    • F21K9/232Retrofit 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21YINDEXING 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
    • F21Y2115/00Light-generating elements of semiconductor light sources
    • F21Y2115/10Light-emitting diodes [LED]

Abstract

The invention discloses a light-emitting device. The light-emitting device comprises a light-guiding element, a substrate, a photomask housing, a first light source and a second light source, wherein the light-emitting element is provided with a lower edge and divided into a bottom surface central region and a side surface region by the lower edge, the side surface region is provided with a reflecting layer, the substrate is arranged below the light-guiding element, the first light source is arranged on the substrate and positioned in a projection region right below the bottom surface central region, the majority of first light emitted by the first light source is transmitted out of the light-emitting device through the upward side of the light-emitting element after permeating the bottom surface central region and entering the light-emitting element, the second light source is arranged on the substrate and exceeds the projection region right below the bottom surface central region, second light emitted by the second light source is blocked by the reflecting layer and can not enter the light-emitting element, and the second light is transmitted out of the light-emitting device by permeating the photomask housing after being perpendicular incident or reflected. Compared with the prior art, the light-emitting device has larger light emergency range.

Description

Light-emitting device

Technical field

The present invention is relevant for a kind of light-emitting device, and particularly relevant for a kind of light-emitting device that goes out greatly optical range.

Background technology

The tradition light emitting diode bulb comprises shell, light shield shell and light emitting diode.The light shield shell mostly is the semi-round ball housing, and it only is located on the shell with the closed ring bottom surface.

Yet, being subject to the profile of light shield shell, the light that light emitting diode is launched is limited between 120 to 150 degree via the optical range that goes out that the light shield shell penetrates, or even less than 120 degree.This is little to go out the scope of application that optical range has limited light emitting diode bulb.

Summary of the invention

The present invention is relevant for a kind of light-emitting device, and it is large that it goes out optical range.In an embodiment, the optical range that goes out of light-emitting device can be greater than 180 degree.

The invention provides a kind of light-emitting device, comprising: light-guide device, have lower edge, bottom surface central area and side district are divided into by this lower edge in the bottom surface of this light-guide device, and this side district has the reflecting layer: substrate is arranged at the below of this light-guide device, and has outer rim; The light shield shell, extend towards this outer rim of this substrate the side of this light-guide device certainly; The first light source, be arranged on this substrate and be positioned at this bottom surface central area under projected area, the first light major part that this first light source is launched, is delivered to outside this light-emitting device via this light-guide device top after entering in this light-guide device seeing through this bottom surface central area; And secondary light source, be arranged on this substrate and exceed this bottom surface central area under projected area, the second light that this secondary light source is launched is subject to stopping of this reflecting layer and can't enters in this light-guide device, sees through this light shield shell after this second light direct projection or the reflection and is delivered to outside this light-emitting device.

Preferably, have depression in this bottom surface central area, this first light source is positioned under this depression, and this first light is most of to be entered in this light-guide device through this depression.

Preferably, this bottom surface central area partly is connected to this substrate, and this first light source is accommodating to be somebody's turn to do in the depression.

Preferably, the light of this secondary light source emission is mainly advanced along optical axis, this reflecting layer is the evagination taper seat, the cross section of this evagination taper seat is two uneven convex outer curve, angle between this evagination taper seat and this optical axis is between 5 ° to 85 °, and perhaps, this reflecting layer is the indent taper seat, the cross section of this indent taper seat is two uneven inner concave curves, and the angle between this indent taper seat and this optical axis is between 5 ° to 85 °.

Preferably, the light of this secondary light source emission is mainly advanced along optical axis, this reflecting layer is evagination taper seat or indent taper seat, the cross section of this evagination taper seat is two uneven convex outer curve, the cross section of this indent taper seat is two uneven inner concave curves, and the angle between this curved surface and this optical axis is between 5 ° to 85 °.

Preferably, this first light source by one or the plural number light emitting diode consisted of, this first light major part is advanced along the normal direction of this substrate.

Preferably, this secondary light source is made of a plural number light emitting diode, and those light emitting diodes distribute around this bottom surface central area, and before by this reflective layer reflects, this second light major part is advanced along the normal direction of this substrate.

Preferably, this light-guide device and this light shield shell are integrally formed.

Preferably, this light-guide device has corresponding combining mechanism separately with this light shield shell, and this light-guide device and this light shield shell are connected to each other by those combining mechanisms.

Preferably, this light-emitting device more comprises: jointing material, coat between this light-guide device those combining mechanisms corresponding with this light shield shell.

Preferably, these light shield shell central authorities have in conjunction with opening, and this combining mechanism of this light shield shell is the ring-type inner fovea part, and this combining mechanism of this light-guide device is the ring-type male part, this light-guide device insert from the top this light shield shell should be in conjunction with opening the time, this ring-type inner fovea part and this ring-type male part align combination.

Preferably, this light-guide device material is selected from polymethyl methacrylate, Merlon or glass.

Preferably, this light-emitting device more comprises: radiation shell be arranged at this substrate below, and the lower edge of this light shield shell is incorporated into this radiation shell; Wherein, form annulus between this light shield shell and this light-guide device, accommodating this secondary light source of this annulus.

Preferably, this light-emitting device more comprises: light source driving circuit, in order to drive this first light source and this secondary light source, this light source driving circuit is arranged in this radiation shell.

Preferably, this reflecting layer is coated in this side district by reflecting material, or this reflecting layer is bonded in this side district by reflective film and forms.

Preferably, the upper surface of this light-guide device is selected from the plane, inner sunken face and outer convex surface one of them, use the optical range that goes out of adjusting this first light.

Compared with prior art, light-emitting device of the present invention to go out optical range larger.

Below in embodiment, be described in detail detailed features of the present invention and advantage, its content is enough to make those skilled in the art to understand technology contents of the present invention and implements according to this, and according to the disclosed content of this specification, claim and diagram, those skilled in the art can understand purpose and the advantage that the present invention is correlated with easily.

Description of drawings

Figure 1A illustrates the exploded view according to the light-emitting device of one embodiment of the invention;

Figure 1B illustrates the vertical figure of group of Figure 1A;

Fig. 2 illustrates the partial sectional view of the light-emitting device of Figure 1B;

Fig. 3 illustrates the top view of Fig. 2;

Fig. 4 illustrates the cutaway view according to the light-guide device of another embodiment of the present invention;

Fig. 5 illustrates the cutaway view according to the light-guide device of another embodiment of the present invention;

Fig. 6 illustrates the stereogram of light-guide device among Figure 1A.

The specific embodiment

For making purpose of the present invention, structure, feature and function thereof there are further understanding, hereby cooperate embodiment to be described in detail as follows.

Please refer to Figure 1A, it illustrates the exploded view according to the light-emitting device of one embodiment of the invention.Light-emitting device 100 comprises light source driving circuit 110, substrate 120, radiation shell 130, light shield shell 140, the first light source 150 and secondary light source 160 and light-guide device 170.

Light source driving circuit 110 is luminous with secondary light source 160 in order to drive the first light source 150, and is located in the radiation shell 130.Light source driving circuit 110 also can be arranged on the circuit board, then together is arranged in the radiation shell 130 with circuit board.

Please refer to Figure 1B, it illustrates the vertical figure of group of Figure 1A.Substrate 120 for example is aluminium base, the below that it can be located at the upper surface of radiation shell 130 and be positioned at light-guide device 170.In addition, substrate 120 has outer rim 120s.

After the lower edge of light shield shell 140 is incorporated into radiation shell 130, form annulus C between light shield shell 140 and the light-guide device 170, this annulus C can accommodating secondary light source 160.In addition, light-guide device 170 has lower edge 170e, and light-guide device 170 is divided into bottom surface central area 170b and side district 170c by lower edge 170e, wherein the border of lower edge 170e definition bottom surface central area 170b.In addition, at least part of side district 170c has reflecting layer 173.

Please refer to Figure 1B, the outer rim 120s towards substrate 120 extends light shield shell 140 from the side district of light-guide device 170 170c (not being illustrated in Figure 1B) upper end, and is incorporated into radiation shell 130 outer rims, is to enlarge gradually the shape curved surface downwards.Although figure does not illustrate, the outer surface of light shield shell 140 also can be the combination of plane or plane and curved surface.

Please refer to Fig. 2, it illustrates the partial sectional view of the light-emitting device of Figure 1B.Light shield shell 140 respectively has corresponding combining mechanism with light-guide device 170, and light-guide device 170 is connected to each other by these a little combining mechanisms with light shield shell 140.In present embodiment, light shield shell 140 central authorities have in conjunction with opening 140a, and the combining mechanism of light shield shell 140 is ring-type inner fovea part 141, and light-guide device 170 combining mechanisms are ring-type male part 171.When light-guide device 170 insert from the top light shield shell 140 in conjunction with opening 140a the time, ring-type inner fovea part 141 and ring-type male part 171 align combination, fixedly the relative position of light-guide device 170 and light shield shell 140.In addition can be between ring-type inner fovea part 141 and ring-type male part 171 coat binding the material 180 or screw thread snap fastener is set, with closely in conjunction with light-guide device 170 and light shield shell 140.

Among another embodiment, can adopt ejection formation, light-guide device 170 and light shield shell 140 are one of the forming, so light-guide device 170 is not two mechanism's parts that separate with light shield shell 140, and can omit bonding material 180 or engaging screw thread, reduce the material or the mechanism that affect outgoing light homogeneity.

As shown in Figure 2, the first light source 150 be arranged on the substrate 120 and be positioned at light-guide device 170 bottom surface central area 170b under projected area, in this example, has at least one depression 170r in the bottom surface central area 170b of light-guide device 170, the first light source 150 is positioned under the depression 170r, and the first at least part of light source 150 is placed in the depression 170r.In the present embodiment, the first light source 150 is made of many light emitting diodes, and so among another embodiment, the first light source 150 can be made of single light emitting diode.

As shown in Figure 2, the first light source 150 first light L1 major part of launching is advanced along the normal direction (this normal direction is perpendicular to the bearing of trend of substrate 120) of substrate 120.The first light L1 major part enter seeing through bottom surface central area 170b light-guide device 170 interior after, be delivered to outside the light-emitting device 100 via light-guide device 170 tops.

Secondary light source 160 be arranged on the substrate 120 and exceed bottom surface central area 170b under projected area.The second light L2 that secondary light source 160 is launched is before being reflected layer 173 reflection, and the second light L2 major part is advanced along the normal direction of substrate 120.The second light L2 is subject to the stopping of reflecting layer 173 of light-guide device 170 and can't enters in the light-guide device 170, sees through light shield shell 140 after the second light L2 direct projection or the reflection and is delivered to outside the light-emitting device 100.

As shown in Figure 2, can see through adjust secondary light source 160 and change with respect to the position in reflecting layer 173 and optical range, the optical range that goes out herein refers to the regional extent that rising angle or rising angle are contained.For example, in the time of away from secondary light source 160 is healed from the distance H 1 in reflecting layer 173, go out optical range A1 less (for example: the secondary light source 160 and the second light L2 that represent with solid line).Otherwise distance H between secondary light source 160 and the reflecting layer 173 1 more hour goes out optical range A1 larger (for example: the secondary light source 160 that is represented by dotted lines and the second light L2).

Please refer to Fig. 3, it illustrates the top view of Fig. 2.Secondary light source 160 is made of many light emitting diodes that are arranged on the substrate 120, and these a little light emitting diodes evenly distribute around bottom surface central area 170b (Fig. 2), and the spacing of adjacent two light emitting diodes equates haply.

The light of secondary light source 160 emission is mainly along optical axis AX advance (in Fig. 2 embodiment), please note, optical axis refers to the center line of the maximum illumination scope that the light of light emitting diode generation can shine, and the contoured surface in reflecting layer 173 is taper seat (cross section is two uneven straight lines).Included angle A 2 (Fig. 2) between this taper seat and optical axis AX is between about 5 ° to 85 °.

In the following example, the contoured surface in the reflecting layer 173 of light-guide device 170 can be evagination circular cone or indent taper seat, below illustrates for example.

Please refer to Fig. 4, it illustrates the profile according to the light-guide device of another embodiment of the present invention.The contoured surface in reflecting layer 173 is evagination taper seat (cross section is two uneven convex outer curve), and the angle between the dome conical surface and AX optical axis is between about 5 ° to 85 ° in addition.By the in addition design of the dome conical surface, use optical range A1 and reduce and be less than 180 degree (concentrate spotlight effect obvious).

Please refer to Fig. 5, it illustrates the cutaway view according to the light-guide device of another embodiment of the present invention.The contoured surface in reflecting layer 173 can be indent taper seat (cross section is two uneven inner concave curves), and the included angle A 2 between this indent taper seat and optical axis AX is between about 5 ° to 85 °.By the design of this indent taper seat, can make this embodiment go out optical range and surpass 180 degree.

As shown in Figure 5, reflecting layer 173 is coated on the side district 170c by reflecting material, or reflective film is bonded on the side district 170c and forms.Wherein, reflecting material for example is metal, and reflective film for example is metallic film.

Be example explanation although the upper surface 170u of the light-guide device 170 of present embodiment is the plane, so among another embodiment, the upper surface of light-guide device 170 also can be curved surface (not illustrating), for example is inner sunken face or outer convex surface.When upper surface 170u is inner sunken face, then can produce spotlight effect; When upper surface 170u was outer convex surface, it was larger then to go out optical range.

As shown in Figure 5, but the bottom surface central area 170b non-contravention of light-guide device 170 to substrate 120 and and form the gap between the substrate 120.This gap can accommodating light-guide device 170 and thermal expansion amount or the heat distortion amount of substrate 120, avoids interfering with each other after light-guide device 170 and substrate 120 thermal expansions or the thermal deformation.Among another embodiment, the bottom surface central area 170b of light-guide device 170 also can partly abut to substrate 120, and light-guide device 170 can be fixed on the substrate 120.

Please refer to Fig. 6, it illustrates the stereogram of light-guide device among Figure 1A.In this example, light-guide device 170 comprises rising wood 1721 and main body 1722, and wherein rising wood 1721 is circular dull and stereotyped, and main body 1722 is the cone on amputation summit.

In addition, light-guide device 170 materials are selected from polymethyl methacrylate (Polymethylmethacrylate, PMMA), polycarbonate resin (Polycarbonate, PC) or glass.

The present invention is described by above-mentioned related embodiment, yet above-described embodiment is only for implementing example of the present invention.Must be pointed out that the embodiment that has disclosed does not limit the scope of the invention.On the contrary, the change of doing without departing from the spirit and scope of the present invention and retouching all belong to scope of patent protection of the present invention.

Claims (16)

1. a light-emitting device is characterized in that, comprising:
Light-guide device has lower edge, and bottom surface central area and side district are divided into by this lower edge in the bottom surface of this light-guide device, and this side district has the reflecting layer:
Substrate is arranged at the below of this light-guide device, and has outer rim;
The light shield shell, extend towards this outer rim of this substrate the side of this light-guide device certainly;
The first light source, be arranged on this substrate and be positioned at this bottom surface central area under projected area, the first light major part that this first light source is launched, is delivered to outside this light-emitting device via this light-guide device top after entering in this light-guide device seeing through this bottom surface central area; And
Secondary light source, be arranged on this substrate and exceed this bottom surface central area under projected area, the second light that this secondary light source is launched is subject to stopping of this reflecting layer and can't enters in this light-guide device, sees through this light shield shell after this second light direct projection or the reflection and is delivered to outside this light-emitting device.
2. such as claim 1 a described light-emitting device, it is characterized in that have depression in this bottom surface central area, this first light source is positioned under this depression, this first light is most of to be entered in this light-guide device through this depression.
3. such as claim 2 a described light-emitting device, it is characterized in that this bottom surface central area partly is connected to this substrate, this first light source is accommodating to be somebody's turn to do in the depression.
4. such as claim 1 a described light-emitting device, it is characterized in that the light of this secondary light source emission is mainly advanced along optical axis, this reflecting layer is taper seat, this taper seat cross section is two uneven straight lines, and the angle between this taper seat and this optical axis is between 5 ° to 85 °.
5. such as claim 1 a described light-emitting device, it is characterized in that, the light of this secondary light source emission is mainly advanced along optical axis, this reflecting layer is the evagination taper seat, the cross section of this evagination taper seat is two uneven convex outer curve, angle between this evagination taper seat and this optical axis is between 5 ° to 85 °, perhaps, this reflecting layer is the indent taper seat, the cross section of this indent taper seat is two uneven inner concave curves, and the angle between this indent taper seat and this optical axis is between 5 ° to 85 °.
6. such as claim 1 a described light-emitting device, it is characterized in that, this first light source by one or the plural number light emitting diode consisted of, this first light major part is advanced along the normal direction of this substrate.
7. such as claim 1 a described light-emitting device, it is characterized in that this secondary light source is made of a plural number light emitting diode, those light emitting diodes distribute around this bottom surface central area, before by this reflective layer reflects, this second light major part is advanced along the normal direction of this substrate.
8. such as claim 1 a described light-emitting device, it is characterized in that this light-guide device and this light shield shell are integrally formed.
9. such as claim 1 a described light-emitting device, it is characterized in that this light-guide device has corresponding combining mechanism separately with this light shield shell, this light-guide device and this light shield shell are connected to each other by those combining mechanisms.
10. such as claim 9 a described light-emitting device, it is characterized in that, more comprise:
Jointing material is coated between this light-guide device those combining mechanisms corresponding with this light shield shell.
11. such as claim 9 a described light-emitting device, it is characterized in that, these light shield shell central authorities have in conjunction with opening, this combining mechanism of this light shield shell is the ring-type inner fovea part, this combining mechanism of this light-guide device is the ring-type male part, this light-guide device insert from the top this light shield shell should be in conjunction with opening the time, this ring-type inner fovea part and this ring-type male part align combination.
12., it is characterized in that this light-guide device material is selected from polymethyl methacrylate, Merlon or glass such as claim 1 a described light-emitting device.
13. such as claim 1 a described light-emitting device, it is characterized in that, more comprise:
Radiation shell be arranged at this substrate below, and the lower edge of this light shield shell is incorporated into this radiation shell;
Wherein, form annulus between this light shield shell and this light-guide device, accommodating this secondary light source of this annulus.
14. such as claim 13 a described light-emitting device, it is characterized in that, more comprise:
Light source driving circuit, in order to drive this first light source and this secondary light source, this light source driving circuit is arranged in this radiation shell.
15., it is characterized in that this reflecting layer is coated in this side district by reflecting material such as claim 1 a described light-emitting device, or this reflecting layer is bonded in this side district by reflective film and forms.
16. such as claim 1 a described light-emitting device, it is characterized in that the upper surface of this light-guide device is selected from the plane, inner sunken face and outer convex surface one of them, use the optical range that goes out of adjusting this first light.
CN2012100884179A 2012-03-30 2012-03-30 Light-emitting device CN102853290A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012100884179A CN102853290A (en) 2012-03-30 2012-03-30 Light-emitting device

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Application Number Priority Date Filing Date Title
CN2012100884179A CN102853290A (en) 2012-03-30 2012-03-30 Light-emitting device

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103398344A (en) * 2013-08-30 2013-11-20 中山市琪朗灯饰厂有限公司 Optical lamp cover and LED (Light Emitting Diode) lamp applied by optical lamp cover
CN104235635A (en) * 2013-06-17 2014-12-24 欧普照明股份有限公司 LED lamp
CN104456162A (en) * 2013-09-23 2015-03-25 欧普照明股份有限公司 Lighting lamp and lighting optical module thereof
CN108006448A (en) * 2017-10-28 2018-05-08 肖志蓝 A kind of light-focusing type LED bulb with backlight effect

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6464373B1 (en) * 2000-11-03 2002-10-15 Twr Lighting, Inc. Light emitting diode lighting with frustoconical reflector
CN101883946A (en) * 2007-08-22 2010-11-10 量子跃进研究公司 Lighting assembly featuring a plurality of light sources with a windage and elevation control mechanism therefor
CN102102848A (en) * 2009-12-16 2011-06-22 富准精密工业(深圳)有限公司 Lens and light emitting diode module applying same
US20110149579A1 (en) * 2009-12-21 2011-06-23 Compal Electronics, Inc. Electromagnetic Interference Preventing Module
DE102010001046A1 (en) * 2010-01-20 2011-07-21 Osram Gesellschaft mit beschränkter Haftung, 81543 lighting device
WO2011152038A1 (en) * 2010-06-02 2011-12-08 パナソニック株式会社 Lamp and lighting device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6464373B1 (en) * 2000-11-03 2002-10-15 Twr Lighting, Inc. Light emitting diode lighting with frustoconical reflector
CN101883946A (en) * 2007-08-22 2010-11-10 量子跃进研究公司 Lighting assembly featuring a plurality of light sources with a windage and elevation control mechanism therefor
CN102102848A (en) * 2009-12-16 2011-06-22 富准精密工业(深圳)有限公司 Lens and light emitting diode module applying same
US20110149579A1 (en) * 2009-12-21 2011-06-23 Compal Electronics, Inc. Electromagnetic Interference Preventing Module
DE102010001046A1 (en) * 2010-01-20 2011-07-21 Osram Gesellschaft mit beschränkter Haftung, 81543 lighting device
WO2011152038A1 (en) * 2010-06-02 2011-12-08 パナソニック株式会社 Lamp and lighting device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104235635A (en) * 2013-06-17 2014-12-24 欧普照明股份有限公司 LED lamp
WO2014201598A1 (en) * 2013-06-17 2014-12-24 欧普照明股份有限公司 Led lamp
CN103398344A (en) * 2013-08-30 2013-11-20 中山市琪朗灯饰厂有限公司 Optical lamp cover and LED (Light Emitting Diode) lamp applied by optical lamp cover
CN104456162A (en) * 2013-09-23 2015-03-25 欧普照明股份有限公司 Lighting lamp and lighting optical module thereof
CN108006448A (en) * 2017-10-28 2018-05-08 肖志蓝 A kind of light-focusing type LED bulb with backlight effect

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Application publication date: 20130102