CN102588793B - Ball bulb lamp - Google Patents

Ball bulb lamp Download PDF

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Publication number
CN102588793B
CN102588793B CN201210047398.5A CN201210047398A CN102588793B CN 102588793 B CN102588793 B CN 102588793B CN 201210047398 A CN201210047398 A CN 201210047398A CN 102588793 B CN102588793 B CN 102588793B
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CN
China
Prior art keywords
lamp housing
described
lampshade
substrate
lamp
Prior art date
Application number
CN201210047398.5A
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Chinese (zh)
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CN102588793A (en
Inventor
萧标颖
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苏州东亚欣业节能照明有限公司
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Priority to CN201210047398.5A priority Critical patent/CN102588793B/en
Publication of CN102588793A publication Critical patent/CN102588793A/en
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Publication of CN102588793B publication Critical patent/CN102588793B/en

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Abstract

The invention discloses a ball bulb lamp which comprises a lamp housing, a lamp cover covering the lamp housing, a base plate and an LED (light-emitting diode) chip arranged on the base plate, wherein the lower part of the lamp cover is positioned on the side wall of the lamp housing, a contact point where the lower part of the lamp cover is in contact with the side wall of the lamp housing is lower than the highest point of the side wall of the lamp housing; and the thickness of the lamp cover is gradually reduced from the center to the edge of the outer side. The ball bulb lamp comprises the lamp housing, the lamp cover covering the lamp housing, the base plate, and the LED chip arranged on the base plate, wherein the lower part of the lamp cover is positioned on the side wall of the lamp housing, the contact point where the lower part of the lamp cover is in contact with the side wall of the lamp housing is lower than the highest point of the side wall of the lamp housing, a plurality of bulges are arranged on the inner wall of the lamp cover, and the thicknesses of the bulges are gradually reduced from the center to the edge of the outer side.

Description

Bulb lamp

Technical field

the present invention relates to a kind of bulb lamp.

Background technology

(Light Emitting Diode), light emitting diode, is a kind of solid-state semiconductor devices, it can directly be converted into light electricity.The heart of LED is a semi-conductive wafer.

light source is due to encapsulation, and the lighting angle of the common LED chip that completes encapsulation is generally 120 degree left and right.In prior art, for the lighting angle that expands LED bulb lamp adopts following several method conventionally:

the outstanding boss of body that forms or be provided with a relative substrate on substrate, is particularly provided with LED light source on sidewall at each face of boss.But because this kind of Structural Tectonics is more complicated, be difficult for producing in enormous quantities processing;

in LED bulb lamp, be provided with lens, although increased to a certain extent lighting angle, also can correspondingly increase owing to being independently provided with lens cost.

Summary of the invention

for the problems referred to above, main purpose of the present invention is to provide a kind of LED bulb lamp, to increase its lighting angle.

in order to solve an above-mentioned difficult problem, the scheme that the present invention takes is: a kind of bulb lamp, it comprises lamp housing, cover on lampshade, substrate on lamp housing, be arranged on the LED chip on substrate, the bottom of described lampshade is positioned on the sidewall of lamp housing, and the contact point that the bottom of lampshade and lamp housing sidewall form is lower than the peak of the sidewall of lamp housing, the thickness of described lampshade from center laterally edge successively decrease gradually.

a kind of bulb lamp, it comprises lamp housing, cover on lampshade, substrate on lamp housing, be arranged on the LED chip on substrate, the bottom of described lampshade is positioned on the sidewall of lamp housing, and the contact point that the bottom of lampshade and lamp housing sidewall form is lower than the peak of the sidewall of lamp housing, on the inwall of described lampshade, be provided with multiple projections, the thickness of multiple projections from center laterally edge reduce gradually.

preferably, the top of described lamp housing has the center arcwall face of its outward flange projection relatively, and described substrate pastes on the arcwall face of described lamp housing.

preferably, the center of described lamp housing is provided with a positioning block, offers the locating hole corresponding with described locating piece on described substrate.

preferably, described lamp housing top edge is provided with clamping block, and the gap between this clamping block and described lamp housing top forms card interface, and the edge of described substrate is provided with the Access Division corresponding with card interface.

preferably, it also comprises a binding agent, and the top of described lamp housing has the center arcwall face of its outward flange projection relatively, and described substrate pastes on the arcwall face of described lamp housing by binding agent.

preferably, described binding agent is the one during epoxy resin, the polyimides glue of modified rubber phenolic resins system, modification are.

preferably, described substrate is made up of elastomeric material.

preferably, described substrate is made up of elastomeric material or flexible material.

preferably, shown in the surface of multiple projections be spherical, and the radius of curvature of described multiple projections from center laterally edge increase gradually.

lampshade has the function of the light diffusion that LED chip is sent, and it can be made up of PC or acrylic or PP material.No matter being directly the thickness of lampshade to be controlled in production technology, or on the inwall of lampshade, being provided with multiple projections, is all that the center thickness in order to make lampshade inwall reduces gradually.

because the bottom of lampshade is positioned at the below on lamp housing top, therefore pasting the light that the LED chip on substrate sends can exhale from the lampshade being positioned at below sidewall peak, simultaneously due to the thickness of lampshade from center laterally edge successively decrease gradually, according to reflection of light and law of refraction, the refraction of thicker position penetrate lampshade light amount fewer, the light amount that lampshade is penetrated in thinner position refraction is more, the light amount that thicker position refraction is reflected back lampshade is more, and the light amount that thinner position is reflected back lampshade is fewer.Therefore, can there is more light to exhale from the lampshade that is positioned at sidewall peak below by said structure.

the present invention adopts above structure, has the following advantages:

1, lighting angle is larger;

2, production technology is simple, and cost is low.

Brief description of the drawings

accompanying drawing 1 is the front view in the first embodiment of the present invention.

accompanying drawing 2 is the top view of the lamp housing in the first embodiment of the present invention.

accompanying drawing 3 is the top view of the substrate in the first embodiment of the present invention.

accompanying drawing 4 is the front view in the second embodiment of the present invention.

accompanying drawing 5 is the local enlarged diagram in the second embodiment of the present invention.

accompanying drawing 6 is the front view in the third embodiment of the present invention.

accompanying drawing 7 is the front view in the fourth embodiment of the present invention.

in accompanying drawing: 1, lamp housing; 2, lampshade; 3, substrate; 31, locating hole; 32, Access Division; 4, LED chip; 5, binding agent; 6, contact point; 7, peak; 8, center; 9, outer ledge; 10, sidewall; 11, arcwall face; 12, locating piece; 13, projection.

Detailed description of the invention

below in conjunction with accompanying drawing 1-7, preferred embodiment of the present invention is described in detail, thereby so that advantages and features of the invention can be easier to be those skilled in the art will recognize that, protection scope of the present invention is made to more explicit defining.

the first embodiment of the present invention is as shown in accompanying drawing 1-3, a kind of LED bulb lamp, it comprises lamp housing 1, cover on lampshade 2, substrate 3 on lamp housing 1, be arranged on the LED chip 4 on substrate 3, the bottom of described lampshade 2 is positioned on the sidewall 10 of lamp housing 1, and the contact point 6 that lampshade 2 and lamp housing 1 form is lower than the peak 7 of the sidewall 10 of lamp housing 1, the thickness of described lampshade 2 from center 8 laterally edge 9 successively decrease gradually.Because the bottom of lampshade 2 is positioned at the below on lamp housing 1 top, therefore pasting the light that the LED chip 4 on substrate 3 sends exhales from the lampshade 2 being positioned at below sidewall 10 peaks 7, simultaneously due to the thickness of lampshade 2 from center 8 laterally edge 9 successively decrease gradually, according to reflection of light and law of refraction, the refraction of thicker position penetrate lampshade 2 light amount fewer, the light amount that lampshade 2 is penetrated in thinner position refraction is more, the light amount that thicker position refraction is reflected back lampshade 2 is more, and the light amount that thinner position is reflected back lampshade 2 is fewer.Therefore, can there is more light to exhale from the lampshade 2 that is positioned at sidewall 10 peak 7 belows by said structure.

the top of described lamp housing 1 has the arcwall face 11 of center 8 relative its outward flange projections, and described substrate 3 pastes on the arcwall face 11 of described lamp housing 1.

lampshade 2 has the function of the light diffusion that LED chip 4 is sent, and it can be made up of PC or acrylic or PP material.

because substrate 3 is made up of elastomeric material, there is certain elasticity, in the time that substrate 3 pastes on the arcwall face 11 of center 8 projections, the surface configuration of substrate 3 also becomes and the corresponding arc of arcwall face 11 of lamp housing 1 from rectangle, and the light that LED light source sends scatters and comes.

the center 8 of lamp housing 1 is provided with locating piece 12, offers the locating hole corresponding with locating piece 12 31 on substrate 3.Preferably, in the time that the locating hole 31 of substrate 3 inserts in locating piece 12, substrate 3 can also rotate around locating hole 31 center 8.Lamp housing 1 top edge is provided with clamping block, and the gap between this clamping block and described lamp housing 1 top forms card interface, and the edge of described substrate 3 is provided with the Access Division corresponding with card interface 32.In substrate 3 rotation processes, the Access Division 32 of substrate 3 can be inserted in the card interface of lamp housing 1, and substrate 3 pastes and is fixed on lamp housing 1.

the second embodiment of the present invention is as shown in accompanying drawing 4-5, a kind of LED bulb lamp, it comprises lamp housing 1, cover on the lampshade 2 on lamp housing 1, substrate 3, be arranged on the LED chip 4 on substrate 3, the bottom of described lampshade 2 is positioned on the sidewall 10 of lamp housing 1, and the contact point 6 that lampshade 2 and lamp housing 1 form is lower than the peak 7 of the sidewall 10 of lamp housing 1, the thickness of described lampshade 2 from center 8 laterally edge 9 successively decrease gradually, it also comprises a binding agent 5, the top of described lamp housing 1 has the arcwall face 11 of center 8 relative its outward flange projections, described substrate 3 pastes on the arcwall face 11 of described lamp housing 1 by binding agent 5.Because the bottom of lampshade 2 is positioned at the below on lamp housing 1 top, therefore pasting the light that the LED chip 4 on substrate 3 sends exhales from the lampshade 2 being positioned at below sidewall 10 peaks 7, simultaneously due to the thickness of lampshade 2 from center 8 laterally edge 9 successively decrease gradually, according to reflection of light and law of refraction, the refraction of thicker position penetrate lampshade 2 light amount fewer, the light amount that lampshade 2 is penetrated in thinner position refraction is more, the light amount that thicker position refraction is reflected back lampshade 2 is more, and the light amount that thinner position is reflected back lampshade 2 is fewer.Therefore, can there is more light to exhale from the lampshade 2 that is positioned at sidewall 10 peak 7 belows by said structure.

lampshade 2 has the function of the light diffusion that LED chip 4 is sent, and it can be made up of PC or acrylic or PP material.

because substrate 3 is made up of elastomeric material, there is certain elasticity, in the time that substrate 3 pastes on the arcwall face 11 of center 8 projections, the surface configuration of substrate 3 also becomes and the corresponding arc of arcwall face 11 of lamp housing 1 from rectangle, and the light that LED light source sends scatters and comes.

substrate 3 also can be made up of flexible material.Flexible, refer to object receiving force distortion, irreplaceable character after active force loses.

in order to ensure the effect of heat radiation, binding agent 5 can adopt the one in epoxy resin, the polyimides glue system of modified rubber phenolic resins system, modification.

rubber toughened phenolic aldehyde is modal toughened system.Rubber toughened phenolic resins belongs to physics blending modification, but in solidification process, has grafting or block copolymerization reaction in various degree, and the addition general control of rubber is at 6 %~15 %.In the mixture of solubility and linear phenol-aldehyde resin, add carboxylic acrylonitrile-butadiene rubber, because the two keys of the butadiene in methylol and acrylonitrile-butadiene rubber in resol resin, carboxyl react, make between phenolic resins and acrylonitrile-butadiene rubber the close-coupled by chemical bond, so can improve the mechanical property of phenolic resins, also can improve its heat resistance.Except acrylonitrile-butadiene rubber, the rubber that contains active group, as epoxy radicals liquid butadiene rubber, carboxy acrylic rubber, epoxy carboxyl butyronitrile addition product can plasticizing phenol formaldehyde, and toughening effect is remarkable.

the epoxy resin of modification is that in epoxy resin, to add nano material be a kind of effective method of modifying.The surperficial non-matching courtyard of nano material is many, large with epoxy resin generation physics or chemically combined possibility, has strengthened the adhesion at particle and interface, so have enhancing, toughness reinforcing performance.

polyimides glue, as PI/SiO 2 nano composite material, its Young's modulus increases, and hot strength and extension at break increase within the specific limits to some extent, SiO 2 material is played and not only strengthened but also toughness reinforcing effect, and the thermal coefficient of expansion of PI reduces.Therefore they can be used for preparing the material of high modulus and intensity, high temperature resistant and low thermal coefficient of expansion, are widely used in microelectronic.

the third embodiment of the present invention is as shown in accompanying drawing 6,2,3, a kind of bulb lamp, it comprises lamp housing 1, cover on lampshade 2, substrate 3 on lamp housing 1, be arranged on the LED chip 4 on substrate 3, the bottom of described lampshade 2 is positioned on the sidewall of lamp housing 1, and the contact point 6 that the bottom of lampshade 2 and lamp housing 1 sidewall 10 form is lower than the peak 7 of the sidewall 10 of lamp housing 1, on the inwall of described lampshade 2, be provided with multiple protruding 13, multiple thickness of protruding 13 from center 8 laterally edge 9 reduce gradually.Because the bottom of lampshade 2 is positioned at the below on lamp housing 1 top, therefore pasting the light that the LED chip 4 on substrate 3 sends exhales from the lampshade 2 being positioned at below sidewall 10 peaks 7, simultaneously due to the thickness of lampshade 2 from center 8 laterally edge 9 successively decrease gradually, according to reflection of light and law of refraction, the refraction of thicker position penetrate lampshade 2 light amount fewer, the light amount that lampshade 2 is penetrated in thinner position refraction is more, the light amount that thicker position refraction is reflected back lampshade 2 is more, and the light amount that thinner position is reflected back lampshade 2 is fewer.Therefore, can there is more light to exhale from the lampshade 2 that is positioned at sidewall 10 peak 7 belows by said structure.

preferably, projection 13 surface is spherical, and described multiple radius of curvature of protruding 13 from center 8 laterally edge 9 increase gradually.Multiple protruding 13 form convex lens further outwards disperses.

the top of described lamp housing 1 has the arcwall face 11 of center 8 relative its outward flange projections, and described substrate 3 pastes on the arcwall face 11 of described lamp housing 1.

lampshade 2 has the function of the light diffusion that LED chip 4 is sent, and it can be made up of PC or acrylic or PP material.

because substrate 3 is made up of elastomeric material, there is certain elasticity, in the time that substrate 3 pastes on the arcwall face 11 of center 8 projections, the surface configuration of substrate 3 also becomes and the corresponding arc of arcwall face 11 of lamp housing 1 from rectangle, and the light that LED light source sends scatters and comes.

the center 8 of lamp housing 1 is provided with locating piece 12, offers the locating hole corresponding with locating piece 12 31 on substrate 3.Preferably, in the time that the locating hole 31 of substrate 3 inserts in locating piece 12, substrate 3 can also rotate around locating hole 31 center 8.Lamp housing 1 top edge is provided with clamping block, and the gap between this clamping block and described lamp housing 1 top forms card interface, and the edge of described substrate 3 is provided with the Access Division corresponding with card interface 32.In substrate 3 rotation processes, the Access Division 32 of substrate 3 can be inserted in the card interface of lamp housing 1, and substrate 3 pastes and is fixed on lamp housing 1.

the fourth embodiment of the present invention is as shown in accompanying drawing 7 and 5, a kind of bulb lamp, it comprises lamp housing 1, cover on lampshade 2, substrate 3 on lamp housing 1, be arranged on the LED chip 4 on substrate 3, the bottom of described lampshade 2 is positioned on the sidewall of lamp housing 1, and the contact point 6 that the bottom of lampshade 2 and lamp housing 1 sidewall 10 form is lower than the peak 7 of the sidewall 10 of lamp housing 1, on the inwall of described lampshade 2, be provided with multiple protruding 13, multiple thickness of protruding 13 from center 8 laterally edge 9 reduce gradually.Because the bottom of lampshade 2 is positioned at the below on lamp housing 1 top, therefore pasting the light that the LED chip 4 on substrate 3 sends exhales from the lampshade 2 being positioned at below sidewall 10 peaks 7, simultaneously due to the thickness of lampshade 2 from center 8 laterally edge 9 successively decrease gradually, according to reflection of light and law of refraction, the refraction of thicker position penetrate lampshade 2 light amount fewer, the light amount that lampshade 2 is penetrated in thinner position refraction is more, the light amount that thicker position refraction is reflected back lampshade 2 is more, and the light amount that thinner position is reflected back lampshade 2 is fewer.Therefore, can there is more light to exhale from the lampshade 2 that is positioned at sidewall 10 peak 7 belows by said structure.

preferably, projection 13 surface is spherical, and described multiple radius of curvature of protruding 13 from center 8 laterally edge 9 increase gradually.Multiple protruding 13 form convex lens further outwards disperses.

lampshade 2 has the function of the light diffusion that LED chip 4 is sent, and it can be made up of PC or acrylic or PP material.

because substrate 3 is made up of elastomeric material, there is certain elasticity, in the time that substrate 3 pastes on the arcwall face 11 of center 8 projections, the surface configuration of substrate 3 also becomes and the corresponding arc of arcwall face 11 of lamp housing 1 from rectangle, and the light that LED light source sends scatters and comes.

substrate 3 also can be made up of flexible material.Flexible, refer to object receiving force distortion, irreplaceable character after active force loses.

in order to ensure the effect of heat radiation, binding agent 5 can adopt the one in epoxy resin, the polyimides glue system of modified rubber phenolic resins system, modification.

rubber toughened phenolic aldehyde is modal toughened system.Rubber toughened phenolic resins belongs to physics blending modification, but in solidification process, has grafting or block copolymerization reaction in various degree, and the addition general control of rubber is at 6 %~15 %.In the mixture of solubility and linear phenol-aldehyde resin, add carboxylic acrylonitrile-butadiene rubber, because the two keys of the butadiene in methylol and acrylonitrile-butadiene rubber in resol resin, carboxyl react, make between phenolic resins and acrylonitrile-butadiene rubber the close-coupled by chemical bond, so can improve the mechanical property of phenolic resins, also can improve its heat resistance.Except acrylonitrile-butadiene rubber, the rubber that contains active group, as epoxy radicals liquid butadiene rubber, carboxy acrylic rubber, epoxy carboxyl butyronitrile addition product can plasticizing phenol formaldehyde, and toughening effect is remarkable.

the epoxy resin of modification is that in epoxy resin, to add nano material be a kind of effective method of modifying.The surperficial non-matching courtyard of nano material is many, large with epoxy resin generation physics or chemically combined possibility, has strengthened the adhesion at particle and interface, so have enhancing, toughness reinforcing performance.

polyimides glue, as PI/SiO 2 nano composite material, its Young's modulus increases, and hot strength and extension at break increase within the specific limits to some extent, SiO 2 material is played and not only strengthened but also toughness reinforcing effect, and the thermal coefficient of expansion of PI reduces.Therefore they can be used for preparing the material of high modulus and intensity, high temperature resistant and low thermal coefficient of expansion, are widely used in microelectronic.

the present invention adopts above structure, has the following advantages:

1, lighting angle is larger;

2, production technology is simple, and cost is low.

above-described embodiment is only explanation technical conceive of the present invention and feature, and its object is to allow person skilled in the art can understand content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalences that Spirit Essence is done according to the present invention change or modify, within all should being encompassed in protection scope of the present invention.

Claims (6)

1. a bulb lamp, it comprises lamp housing, cover on lampshade, substrate on lamp housing, be arranged on the LED chip on substrate, it is characterized in that: the bottom of described lampshade is positioned on the sidewall of lamp housing, and the contact point that the bottom of lampshade and lamp housing sidewall form is lower than the peak of the sidewall of lamp housing, on the inwall of described lampshade, be provided with multiple projections, the thickness of multiple projections from center laterally edge reduce gradually; The top of described lamp housing has the center arcwall face of its outward flange projection relatively, and described substrate pastes on the arcwall face of described lamp housing; Described substrate is made up of elastomeric material or flexible material, the thickness of described lampshade from center laterally edge successively decrease gradually.
2. bulb lamp according to claim 1, is characterized in that: the center of described lamp housing is provided with a positioning block, offers the locating hole corresponding with described locating piece on described substrate.
3. bulb lamp according to claim 1, is characterized in that: described lamp housing top edge is provided with clamping block, and the gap between this clamping block and described lamp housing top forms card interface, and the edge of described substrate is provided with the Access Division corresponding with card interface.
4. according to the bulb lamp described in claim l, it is characterized in that: on described lamp housing, be provided with for substrate being pasted to the binding agent on its arcwall face.
5. bulb lamp according to claim 4, is characterized in that: described binding agent is the one during epoxy resin, the polyimides glue of modified rubber phenolic resins system, modification is.
6. bulb lamp according to claim 1, is characterized in that: the surface of described multiple projections is spherical, and the radius of curvature of described multiple projections from center laterally edge increase gradually.
CN201210047398.5A 2012-02-28 2012-02-28 Ball bulb lamp CN102588793B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210047398.5A CN102588793B (en) 2012-02-28 2012-02-28 Ball bulb lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210047398.5A CN102588793B (en) 2012-02-28 2012-02-28 Ball bulb lamp

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CN102588793A CN102588793A (en) 2012-07-18
CN102588793B true CN102588793B (en) 2014-10-01

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012222476A1 (en) * 2012-12-06 2014-06-12 Osram Gmbh Lighting device with optoelectronic component
CN103899940A (en) * 2012-12-28 2014-07-02 深圳市海洋王照明工程有限公司 Lamp

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CN201237199Y (en) * 2008-07-15 2009-05-13 东莞市贻嘉光电科技有限公司 LED lamp
CN201377709Y (en) * 2009-07-23 2010-01-06 深圳市长方照明工业有限公司 LED bulb
CN201964185U (en) * 2010-12-31 2011-09-07 宁波安迪光电科技有限公司 Lamp fitting and lampshade thereof
CN202008025U (en) * 2011-02-16 2011-10-12 厦门立明光电有限公司 High-luminosity angle bulb with frustum table heat-conduction mounting body
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Effective date of registration: 20180608

Address after: 529080 1, 1, 11 hi-tech East Road, Jianghai District, Jiangmen, Guangdong.

Patentee after: Guangdong Jun Sheng Lighting Technology Co., Ltd.

Address before: 215006 No. 83 Star Road, Suzhou Industrial Park, Jiangsu

Patentee before: Suzhou Glory Green Lighting System Corporation

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