CN107781735A - Lighting device - Google Patents
Lighting device Download PDFInfo
- Publication number
- CN107781735A CN107781735A CN201710155934.6A CN201710155934A CN107781735A CN 107781735 A CN107781735 A CN 107781735A CN 201710155934 A CN201710155934 A CN 201710155934A CN 107781735 A CN107781735 A CN 107781735A
- Authority
- CN
- China
- Prior art keywords
- led
- lens
- light source
- light
- led 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.)
- Pending
Links
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
- F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
- F21V13/02—Combinations of only two kinds of elements
-
- 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
- F21V17/104—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 using feather joints, e.g. tongues and grooves, with or without friction
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
Abstract
The present invention provides a kind of reduction, the efficient lighting device of exit dose of suppression light from lens cap to diffused reflector.The lighting device includes：The substrate of LED light source is installed；Lens cap with the lens section for covering above-mentioned LED light source and the connecting portion for connecting the lens section；With the diffused reflector with curved surface for covering above-mentioned LED light source and said lens cover, above-mentioned connecting portion has flat part and concave shaped portion, and above-mentioned concave shaped portion is located at the end of said lens.
Description
Technical field
The present invention relates to lighting device.
Background technology
In recent years, using feelings of the LED (Light Emitting Diode, light emitting diode) as the light source of lighting device
Condition is becoming more.As the light source of the interior illuminator of the type installed in ceiling, also begin to replace fluorescence using LED
Pipe.And then LED light device makes the emergent light from LED have directive property sometimes.In patent document 1 into patent document 4,
Disclose the optical system for making the emergent light from LED that there is directive property.
Prior art literature
Patent document
Patent document 1：Japanese Unexamined Patent Publication 2014-154461 publications
Patent document 2：Japanese Unexamined Patent Publication 2014-135233 publications
Patent document 3：Japanese Unexamined Patent Publication 2011-204397 publications
Patent document 4：Japanese Unexamined Patent Publication 2013-145685 publications
The content of the invention
The invention technical task to be solved
A kind of lighting device be present, it, which is used, has lens shape corresponding with the multiple LED configured on light source substrate
Lens cap, illuminate the overall unit of diffused reflector well as the light diffusion from LED outgoing, efficiency is made.But lens cap needs
The connecting portion that lens shape corresponding with multiple LED is connected with each other, and in order to ensure the mobile performance of moulding material, connect
Socket part needs a certain degree of thickness.Therefore, will not be emitted from a part for the light of LED outgoing from lens to diffused reflector, but
Connecting portion is oriented to, exit dose of the light from lens cap to diffused reflector is reduced.
It is an object of the invention to provide a kind of illumination dress of the reduction of exit dose of suppression light from lens cap to diffused reflector
Put.
In order to solve above-mentioned problem, the invention is characterised in that, including：The substrate of LED light source is installed；It is above-mentioned with covering
The lens cap of the connecting portion of the lens section and connection of the LED light source lens section；Above-mentioned with covering LED light source and said lens cover
Diffused reflector with curved surface, above-mentioned connecting portion include flat part and concave shaped portion；Above-mentioned concave shaped portion is located at the end of said lens.
In accordance with the invention it is possible to provide reduction, the high efficiency of a kind of exit dose of suppression light from lens cap to diffused reflector
Lighting device.
Brief description of the drawings
Fig. 1 is the figure for the LED light device for representing embodiments of the present invention, is represented from outer when obliquely downward is from
See stereogram.
Fig. 2 is the stereoscopic figure of state when representing the LED light device from oblique direction.
Fig. 3 is the exploded perspective view for representing the state from obliquely downward from during LED light device.
Fig. 4 is the stereogram for the LED light device for unloading the part that lower lamp shade to represent LED hood with section.
Fig. 5 is a part for the median vertical section figure for unloading the LED light device after lower lamp shade.
Fig. 6 is the figure of one for representing LED light source substrate.
Fig. 7 is Fig. 5 A portions enlarged drawing.
Fig. 8 is Fig. 5 A portions enlarged drawing, is the figure for representing present embodiment.
Symbol description
1 ... LED light device
11 ... supportings are key
11a ... adapter mounting holes
12 ... adapter supporting members (insulation board)
12a ... fixed parts
12b ... cylindrical portions
13 ... power supply boards
13a ... power connectors
13b ... light source connectors
14 ... heat sinks
14a ... substrate supporting portions
14b ... through holes
14c ... annulus
14d ... erects wall portion
14e ... electric wire through holes
14f ... housing recess
14g ... periphery walls
15 ... LED light source substrates
15a ... wiring substrates
15b ... LED elements group (LED element)
15b1 ... colors of sunshine LED
The incandescent light color LED of 15b2 ...
15b3 ... blue leds
15b4 ... security lamps LED
15c ... protrusion tabs
15d ... connector portions
15e ... remote control light accepting parts
16 ... lens caps
16a ... lens sections
16a1 ... domed shapes portion
16a2 ... lens measures face
16a3 ... concave shaped portions
16a4 ... male portions
16b ... connecting portions
16b1 ... through holes
16c ... wall portions
16c1 ... ends
17 ... center covers
18 ... lampshades
19 ... reflector plates
19a ... hole shapes
20 ... power supply wire harness
21 ... light source wire harness
22 ... supporting members
23 ... escutcheons
24 ... sensor units
Embodiment
It is appropriate to carry out referring to the drawings specifically for the LED light device (LED ceiling lamp) of embodiments of the present invention
It is bright.Wherein, in present embodiment, as one of LED light device 1, enumerate and overlook to be carried out exemplified by circular lighting device
Illustrate, but shape is not limited to this, such as can also apply to the lighting device of the polygons such as quadrangle, hexagon, octagon.
In addition, in present embodiment, below by having used LED light device 1 of the light emitting diode (LED) as main light source to be said
It is bright, but main light source is not limited to LED.
LED light device 1 shown in Fig. 1 and Fig. 2, such as via the hanging ceiling block set on the ceiling surface with house
Or the mounting adaptation device (omitting diagram) of the house service such as ceiling rose utensil (omitting diagram) engaging, connect with external power source
Connect and be fixed on the assigned position of ceiling surface for use.LED light device 1 is, for example, (this implementations such as round or square
It is round in mode).In addition, in following explanation, on the basis of the state being arranged on by LED light device 1 on ceiling surface, paper
Upside is ceiling side (top surface side), is floor side (following side) on the downside of paper.
As shown in figure 3, LED light device 1 has supporting backbone 11, adapter support 12 (insulation board), power supply board
13rd, heat sink 14, LED light source substrate 15, lens cap 16, center cover 17, lampshade (shade) 18, escutcheon 23, sensor unit
24 grades are formed.
Supporting backbone 11 is that steel plate (such as SECC (plated steel sheet)) is shaped into substrate parts for circular,
Spill (dish type) is shaped generally as in a manner of concave surface is towards floor side.In addition, in the center of supporting backbone 11, form and be used for
Engage the adapter mounting hole 11a of mounting adaptation device (omitting diagram).
Synthetic resin (such as PP of the adapter support 12 (insulation board) with flame retardancy and electrical insulating property：Polypropylene
Resin etc.) formed, there is annular fixed part 12a that the lower surface bolt in supporting backbone 11 is fixed and from fixed part 12a
The cylindrical portion 12b that extends to floor side (lower section) of Inner peripheral portions.
As shown in figure 3, power supply board 13, which has, includes lighting circuit of control unit etc., by adapter support 12 (absolutely
Listrium) it is bolted on supporting backbone 11.Thus, power supply board 13 with maintain the state of electrical insulating property configuration by supporting
In the heat-dissipating space that backbone 11 and heat sink described later 14 surround.
In addition, power supply board 13 electrically connects, said power via power supply wire harness 20 with mounting adaptation device (omit and illustrate)
The power connector 13a of lower surface of the beam 20 with being fixed on the power supply board 13 is connected.
Light source connector 13b is used to power supply board 13 being connected by light source wire harness 21 with LED light source substrate 15.
Thus, LED light device 1 is configured to (omit via house service utensil (omit and illustrate), mounting adaptation device respectively
Diagram), power supply wire harness 20, light source wire harness 21, power supply board 13 power.
Heat sink 14 is to play the power supply board 13 to be generated heat when making work and be mounted with multiple LED LED light source substrate 15
Heat radiating and cool down effect metal part.LED element group 15b described later LED has the weak property of temperature capability.
In addition, LED flows through the high current of low-voltage and carries out high brightness and light when in use, so as the luminous caused heating makes
LED itself and the part of surrounding deteriorate, so realizing long-life, high reliability to suppress the deterioration, it is desirable to which it is appropriate to carry out
Radiating.
Heat sink 14 is that steel plate processing is shaped generally as into circle, and forms the base of the truncated cone prominent to floor side
Plate support 14a.In addition, heat sink 14 is formed such as the good metal of the thermal conductivity with galvanized steel plain sheet, added by applying drawing
Work, and it is jointlessly integrally formed, realize that intensity improves.In addition, to be formed as 11 diameters more key than supporting big for heat sink 14, with than
Key 11 modes prominent to radial outside of supporting are arranged on supporting backbone 11.For heat sink 14, in the heat sink 14
Following side is configured with LED light source substrate 15 in a manner of multiple LED elements (LED element group 15b) of main light source are aimed downwardly light.
Supplementary notes, the side below heat sink 14 of LED light source substrate 15 configures in a manner of along (being close to) lower surface.
In addition, the center of the radial direction in heat sink 14, in position shape corresponding with the cylindrical portion 12b of adapter support 12
Into the through hole 14b for having circle.In addition, in the peripheral part of heat sink 14, have the circular annulus 14c that is horizontally formed and
In the perpendicular wall portion 14d that annulus 14c peripheral part is formed.In annulus 14c lower surface, it is spaced at 3 and is mounted with 120 °
For engaging the supporting member 22 of lampshade 18 described later (with reference to figure 3).
As shown in figure 4, electric wire inserting hole 14e is made up of the through hole perforated on housing recess 14f periphery wall 14g,
Above-mentioned housing recess 14f is formed as the inclined concave shape in a manner of being expanded to the upper side direction of heat sink 14.In electric wire
In inserting hole 14e, multiple light sources wire harness 21 is configured with.
Housing recess 14f be it is internal set be connected with power supply wire harness 20, light source wire harness 21 power supply board 13 storage it is empty
Between (with reference to figure 5).
LED light source substrate 15 includes：The annular wiring base that side configures across heat sink 14 below supporting backbone 11
Plate 15a；With a wiring substrate 15a surface side (floor side) by weld etc. configure with being mounted with concentric circles it is more
The LED element group 15b of individual LED main light source (with reference to figure 3).Wherein, LED element group 15b details are described further below.
Wiring substrate 15a by the substantially a ring-shaped metallic plate in aluminium alloy such as forming insulating barrier and copper foil pattern
And form, or by forming copper foil pattern, resistance on the flat board of the good resin of thermal conductivity (such as polyimide resin etc.)
Solder flux etc. and form.
In present embodiment, by the supporting backbone 11 with structure as described above and heat sink 14, and increase radiating
The volume (amount of the air of increase heat-dissipating space) in space, realizes the radiating efficiency of power supply board 13 and LED light source substrate 15
Improve.The result is that, it is possible to increase LED element group 15b luminous efficiency.
LED light source substrate 15 shown in Fig. 6 indicates the LED of 14 pieces of seats (the close seat of 14 pieces of couch couch) pattern of rows and columns
One.LED element group 15b includes：Send multiple color of sunshine LED (Light Emitting of the light of color of sunshine (D colors)
Diode)15b1；Send multiple incandescent light color LED15b2 of the light of incandescent light color (L colors)；Send multiple bluenesss of blue light
LED15b3；Main light source is formed with security lamp LED15b4.In addition, the outer circumference end in LED light source substrate 15 has：Outside pleurapophysis
The protrusion tab 15c of the substantially circular shape formed with going out；Carry 2 be connected with light source wire harness 21 connections for being located at protrusion tab 15c
Device portion 15d；With remote control light accepting part 15e.
Color of sunshine LED15b1 peak wavelength is 430nm~460nm, is configured from outer circumferential side to inner circumferential side concentric circles
There is multiple row (such as 8 row).
Incandescent light color LED15b2 peak wavelength is 550nm~650nm, is configured with concentric circles in each row of multiple row
Configure with clipping color of sunshine LED15b1.That is, incandescent light color LED15b2 is in each row of concentric circles, sandwich in the circumferential
Configure 2 color of sunshine LED15b1.Wherein, including present embodiment, color of sunshine LED15b1 and incandescent light color LED15b2 matches somebody with somebody
Systematicness can also not had by putting quantitative relation.In addition, color of sunshine LED15b1 and incandescent light color LED15b2 are in concentric circles
In each row, configure at equal intervals or at substantially equal intervals in the circumferential.
Blue led 15b3 peak wavelength is 470nm~480nm, in concentric circles is configured with the color of sunshine of multiple row
Between LED15b1 and incandescent light color LED15b2 most peripheral and most inner circumferential, annular shape is configured at spaced intervals in the circumferential.
In the embodiment of fig. 6, the row that blue led 15b3 is configured, it is to be configured from the center concentric circles of annular shape the
Two row and the 4th row.
LED element group 15b shown in Fig. 6, for example, by 168 color of sunshine LED15b1,76 incandescent light color LED15b2 and
32 blue led 15b3 are formed.Blue led 15b3 quantity is preferably color of sunshine LED15b1 and incandescent light color LED15b2 conjunction
10% degree of count number.
In addition, on heat sink 14, entered with the white coating for making light to floor lateral reflection from LED element group 15b irradiations
Row is reflective coated.In present embodiment, in order to further improve reflection efficiency, in the surface of LED light source substrate 15 (floor side),
There is the reflector plate 19 as high reflection part in a manner of avoiding LED element group 15b, the reflector plate 19 has and LED element
The emptying aperture shape 19a of group 15b equivalent amounts, the light from LED element group 15b irradiations is as a result set more efficiently to be reflected to lampshade 18,
Thus suppress the luminance nonuniformity of lampshade 18, and be favorably improved efficiency.Additionally, it is preferred that the reflectivity of reflector plate 19 90% with
On.
As shown in figure 5, lens cap 16 is pressed on the substrate supporting of heat sink 14 across LED light source substrate 15 and reflector plate 19
Portion 14a.In order to compress, lens cap 16 is bolted on heat sink 14.Thus, the one side of LED light source substrate 15 is (above
Side) improved with substrate supporting portion 14a adaptation (degree of being close to).
Lens cap 16 with LED element group 15b by accordingly configuring multiple lens section 16a and by multiple lens section 16a phases
The flat connecting portion 16b to connect is formed.In present embodiment, 1 LED group is housed in a lens section 16a, but
The LED housed in lens section 16a quantity is not limited to this.For example, in a lens section 16a in 2 LED of configuration group,
One side is color of sunshine LED15b1, and the opposing party is incandescent light color LED15b2.
In connecting portion 16b peripheral part, formed with being substantially orthogonal by upward surface side (top surface side) in a manner of the wall portion that is formed
16c.In present embodiment, the wall portion 16c end face shape in a manner of the periphery wall 14g of the inclined plane shape with heat sink 14 is abutted
Into.Thus, it is not necessary to wall portion 16c is extended to the annulus 14c of heat sink 14 in upper face side, can cut down moulding material into
This, and inside can accommodate LED light source substrate 15 and reflector plate 19.
Lens cap 16 has such as with polystyrene (PS), makrolon (PC), polymethyl methacrylate (PMMA)
The resin of translucency and electrical insulating property, by injection molded etc. and integrally formed.Particularly, in the transparency, cost and formability
Aspect preferably use polystyrene.In addition, the material used in lens cap 16, as long as possessing translucency and electrical insulating property, just
It is not limited to resin or glass etc..
Center cover 17 is the part for being covered in the mounting adaptation device (omitting diagram) exposed in the center of apparatus main body, such as with
Synthetic resin (such as PP with flame retardancy：Acrylic resin) formed.In addition, center cover 17 is formed as discoideus, can be certainly
By handling it is arranged on the circular through hole 16b1 of the central portion for the radial direction for being formed at lens cap 16.
Lampshade 18 is resin-made (such as the polymethylacrylic acid for having translucency (including transparent, translucent or milky)
Methyl esters or polystyrene etc.) diffuser, be configured to dome-shaped.Lampshade 18 makes the light beam projected from light source (LED element group 15b)
Diffusion, play dazzling the eyes (dazzling) sense, making space there is provided LED light device 1 when mitigating the direct view led lighting device 1 of user
Brightness uniformity effect.Lampshade 18 can engage holding with freely loading and unloading by the supporting member 22 installed in heat sink 14.
Escutcheon 23 is maintained at the outer circumferential side and ring for the lampshade 18 being made up of light transmissive material with the inner circumferential side of annulus
The outer circumferential side in the shape portion mode more prominent than the periphery of lampshade 18 is formed (with reference to figure 3).Escutcheon 23, which is used, has printing opacity
The material of property is formed.
As shown in Figures 2 and 3, sensor unit 24 for example provides and is provided with the environment (space) of LED light device 1
Brightness correspondingly changes the supply electric power to LED element group 15b so that the work(of certain illumination is obtained under LED light device 1
Energy.Also, detect the illumination under LED light device 1.
Then, the lens section 16a of the lens cap 16 of embodiments of the present invention is described in detail.
As shown in fig. 7, in the lens section 16a' face relative with wiring substrate 15a, respectively to cover LED element group
15b mode, form the domed shape portion 16a'1 with smooth surface.
For the light irradiated from LED element 15b, such as it is set as θ a1, by entering from domed shape portion 16a'1 surfaces
It is mapped in lens 16a', and makes its diffusion using lens effect, turns into afterwards from smooth lens measure face 16a'2 to lampshade 18
The light θ a2 of outgoing.But similarly from a part of light θ b1 of LED illumination, because guide-lighting to connecting portion 16b', and turn into
The light θ b2 of loss.In addition, guide-lighting light θ b2 are emitted etc. from wall portion 16c' end 16c'1, when being irradiated to lampshade 18 into
For light inequality the reason for.
As shown in figure 8, in the lens section 16a face relative with wiring substrate 15a, respectively to cover LED element group 15b
Mode, form the domed shape portion 16a1 with smooth surface.
For the light irradiated from LED element 15b, such as it is set as θ a1, by entering from domed shape portion 16a1 surfaces
It is mapped in lens section 16a, and makes its diffusion using lens effect, turns into afterwards from smooth lens measure face 16a2 to lampshade 18
The light θ a2 of outgoing.
Herein, it is different from the lens section 16a' shown in Fig. 7, as shown in figure 8, in present embodiment, in the saturating of lens section 16a
Mirror surface element 16a2 sides outer edge forms concave shaped portion 16a3, thus, it is possible to by because from the light that LED element 15b is irradiated to connection
Portion 16b is guide-lighting and is utilized as the light θ b1 of loss as light θ a2.That is, the light efficiency from LED element 15b can be made good
Lampshade 18 is emitted well, as a result can develop big light beam, efficient product.
Consideration with injection molding formed lens cap 16 when material mobility when, be provided with lens section 16a outer edges
Concave shaped portion 16a3, thus material from connecting portion 16b flow to lens section 16a when thickness diminish.Thus, when forming lens section 16a
There may be cob webbings such as depressions, but in present embodiment, in domed shape portion 16a1 with wiring substrate 15a opposite sides
Outer edge, there is provided the male portion 16a4 formed in a manner of surrounding LED element 15b, thus taking prevents thinning cause
Cob webbing countermeasure.Multiple LED are equably fixed the male portion 16a4 set in a manner of surrounding LED element 15b
Element 15b, it is set to be difficult to influenceing for the deformation of LED light source substrate 15 by lens cap 16 and installation LED element 15b.
(the reference of small gap d is provided between the wiring substrate 15a (and reflector plate 19) relative with connecting portion 16b
Fig. 8).This be in order to avoid be arranged on wiring substrate 15a on part (such as installed to cross Wiring pattern bridging member
Part etc.).Male portion 16a4, which also has, utilizes LED element 15b peripheral part when lens cap 16 is arranged on into substrate supporting portion 14a
The function of wiring substrate 15a and reflector plate 19 is compressed, not only improves wiring substrate 15a and substrate supporting portion 14a adaptation, separately
Outside, the outer edge of the hole shape 19a on the reflector plate 19 set near LED element 15b is suppressed by using male portion 16a4, can
Suppress because warpage of reflector plate 19 etc. block from the light of LED element 15b irradiations and caused by lampshade 18 light is uneven and shade with
And the reduction of light beam value.
Claims (2)
- A kind of 1. lighting device, it is characterised in that：Including：The substrate of LED light source is installed；With the lens section for covering the LED light source and the connecting portion for connecting the lens section Lens cap；With the diffused reflector with curved surface for covering the LED light source and the lens cap,The connecting portion includes flat part and concave shaped portion,The concave shaped portion is located at the end of the lens.
- 2. lighting device as claimed in claim 1, it is characterised in that：In the outer edge of the side relative with the substrate of the lens, have and set in a manner of surrounding the LED light source Male portion.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016-167485 | 2016-08-30 | ||
| JP2016167485A JP2018037177A (en) | 2016-08-30 | 2016-08-30 | Luminaire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107781735A true CN107781735A (en) | 2018-03-09 |
Family
ID=61437703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710155934.6A Pending CN107781735A (en) | 2016-08-30 | 2017-03-14 | Lighting device |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2018037177A (en) |
| CN (1) | CN107781735A (en) |
| TW (1) | TWI640719B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019212452A (en) * | 2018-06-01 | 2019-12-12 | パナソニックＩｐマネジメント株式会社 | Lighting device |
| CN115003952A (en) | 2020-01-20 | 2022-09-02 | 昕诺飞控股有限公司 | Luminaire comprising identical curved LED modules and LED modules suitable for said luminaire |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013045604A (en) * | 2011-08-24 | 2013-03-04 | Panasonic Corp | Lighting fixture |
| CN104676462A (en) * | 2013-11-29 | 2015-06-03 | 全亿大科技（佛山）有限公司 | Lens and lighting device |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4981600B2 (en) * | 2007-09-20 | 2012-07-25 | パナソニック株式会社 | lighting equipment |
| JP5220693B2 (en) * | 2009-06-18 | 2013-06-26 | 長島鋳物株式会社 | Design iron cover for underground structures |
| JP5804588B2 (en) * | 2010-10-12 | 2015-11-04 | 東芝ライテック株式会社 | lighting equipment |
| JP5842440B2 (en) * | 2011-01-11 | 2016-01-13 | 東芝ライテック株式会社 | lighting equipment |
| CN108548134A (en) * | 2012-08-31 | 2018-09-18 | 东芝照明技术株式会社 | Lighting device |
| JP6112395B2 (en) * | 2013-02-13 | 2017-04-12 | パナソニックＩｐマネジメント株式会社 | lighting equipment |
| CN204693230U (en) * | 2015-05-29 | 2015-10-07 | 深圳市洲明科技股份有限公司 | LED lamp affixed to the ceiling |
-
2016
- 2016-08-30 JP JP2016167485A patent/JP2018037177A/en active Pending
-
2017
- 2017-03-14 CN CN201710155934.6A patent/CN107781735A/en active Pending
- 2017-04-19 TW TW106113132A patent/TWI640719B/en not_active IP Right Cessation
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013045604A (en) * | 2011-08-24 | 2013-03-04 | Panasonic Corp | Lighting fixture |
| CN104676462A (en) * | 2013-11-29 | 2015-06-03 | 全亿大科技（佛山）有限公司 | Lens and lighting device |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201819815A (en) | 2018-06-01 |
| JP2018037177A (en) | 2018-03-08 |
| TWI640719B (en) | 2018-11-11 |
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| JP7108013B2 (en) | LED lighting device |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: Tokyo, Japan, Japan Applicant after: Hitachi Global Living Program Co., Ltd. Address before: Tokyo, Japan, Japan Applicant before: Hitachi Household Electric Appliance Co. |
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180309 |