CN106555981A - Variable color-temperature LED automobile headlight - Google Patents
Variable color-temperature LED automobile headlight Download PDFInfo
- Publication number
- CN106555981A CN106555981A CN201510610996.2A CN201510610996A CN106555981A CN 106555981 A CN106555981 A CN 106555981A CN 201510610996 A CN201510610996 A CN 201510610996A CN 106555981 A CN106555981 A CN 106555981A
- Authority
- CN
- China
- Prior art keywords
- headlight
- luminous zone
- led chip
- lamppost
- control circuit
- 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
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 11
- 230000008859 change Effects 0.000 claims abstract description 11
- 238000002347 injection Methods 0.000 claims description 7
- 239000007924 injection Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 13
- 238000002156 mixing Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 201000009310 astigmatism Diseases 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 150000002367 halogens Chemical class 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000004313 glare Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
- F21V19/0015—Fastening arrangements intended to retain light sources
- F21V19/0025—Fastening arrangements intended to retain light sources the fastening means engaging the conductors of the light source, i.e. providing simultaneous fastening of the light sources and their electric connections
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
- F21V19/0015—Fastening arrangements intended to retain light sources
- F21V19/002—Fastening arrangements intended to retain light sources the fastening means engaging the encapsulation or the packaging of the semiconductor device
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
The invention discloses a kind of LED variable color-temperatures auto lamp and its technical scheme.Including：Lamppost, the lamppost top are provided with luminous zone, and the luminous zone is provided with two LED chip groups.Concavity cup is set inside the luminous zone, and the luminous zone bottom is cup bottom, and the cup bottom is arranged to two different planes of the depth.One is deep layer face, and another is shallow-layer face.Described two LED chip groups one are attached at the deep layer face, and one is attached at the shallow-layer face.The be coated with phosphor gel in the luminous zone, it is thick to be attached at the phosphor gel covered by the LED chip group in deep layer face, can produce low color temperature white light.It is attached at the fluorescent material covered by the LED chip group in shallow-layer face thin, high color temperature white light can be produced.Headlight for vehicles variable color-temperature control program of the present invention is that power-supply controller of electric changes power-supply controller of electric two-way circuit output working condition by and off switch on-off, make two LED chip group change work so that the headlight for vehicles produces multiple color temperatures white light.
Description
Technical field：
The present invention relates to field of LED illumination, big before more particularly to a kind of variable color-temperature LED automobile
Lamp
Background technology：
For automotive lighting, due to the uncertainty of weather environment in vehicle traveling process, sometimes fine day,
Sometimes misty rain weather, when fine day, it usually needs high color temperature illuminates (general 5500～8000K colour temperatures).This
Sample concentrates can driver, energetic.When misty rain weather is met, it usually needs low colour temperature
Illumination (general 2700～4200K colour temperatures).So low colour temperature has higher penetration power, allows driver in rain
That what is can seen during greasy weather gas is more clear, farther.And present automobile is all the white light for sending out fixed colour temperature, for example, halogen
Plain lamp color temperature 3000K or so, than relatively low, xenon lamp color temperature 6000K or so, comparison is high, but they
Colour temperature can not all control change.Requirement of the driver to Changes in weather cannot so be met.
It is necessary to provide that a kind of automobile front of variable color-temperature allows driver tackle different days
Gas changes.
Variable color-temperature light generally requires and is mixed to produce by two or more different-colour light.For existing
For color mixing method, light-emitting area can be caused to cause greatly very much auto lamp astigmatism because two kinds of light sources merge, in addition
Colour mixture can be caused uneven, and produce yellow one piece, white one piece of ill effect.
Based on this, it is necessary to provide a kind of good mixing effect, light-emitting area is reduced, optically focused effect can be produced
The variable color-temperature LED automobile headlight of fruit.
Its technical scheme is as follows：A kind of variable color-temperature LED automobile headlight (hereinafter referred to as headlight for vehicles),
Including lamppost, the lamppost is four sides cylindricality, and has conductive and heat-conductive function.The lamppost side wall upper part sets
Luminous zone is equipped with, the luminous zone is provided with LED chip, and the LED chip has multiple, multiple LED
Chip constitutes two LED chip groups by connection in series-parallel.Described two LED chip groups be provided with anelectrode and
Negative electrode.
Below technical scheme is described further, in one of which embodiment, the wiring board
Conducting wire is provided with, the conducting wire two ends are provided with a common line contact, two control circuits
Contact.The anelectrode is connected to the common line contact, and the negative electrode is connected respectively to two controls
Line contacts.
Negative electrode described in one of which embodiment is connected to the common line contact, it is described just
Electrode is connected respectively to two control circuit contacts.
In one of which embodiment, the anelectrode is connected on the lamppost, the negative electrode
It is connected respectively to described two control circuit contacts.
In one of which embodiment, the negative electrode is connected on the lamppost, the anelectrode
It is connected respectively to described two control circuit contacts.
In one of which embodiment, concavity cup is set inside the luminous zone.Described
Guang Qu bottoms are cup bottom, and the cup bottom is arranged to two different planes of the depth.One be deep layer face, deep layer
The part that face is connected is deep layer region.Another is shallow-layer face, and the part that shallow-layer face is connected is shallow-layer area.It is described
Two LED chip groups one are attached at the deep layer face, and another is attached at the shallow-layer face.
In one of which embodiment, the luminous zone is coated with phosphor gel, the phosphor gel
The luminous zone is covered by once injection.
In one of which embodiment, the phosphor gel covers the deep layer region by once injection,
The luminous zone is covered by secondary injection.
In one of which embodiment, a face of lamppost side wall is provided with the luminous zone.
In one of which embodiment, two faces of lamppost side wall are provided with the luminous zone.
In one of which embodiment, three faces of lamppost side wall are provided with the luminous zone.
In one of which embodiment, four faces of lamppost side wall are provided with the luminous zone.
In one of which embodiment, the power-supply controller of electric is provided with power input, the electricity
Source input is provided with power line and attaching plug.The attaching plug is connected with automobile power source.
In one of which embodiment, the power-supply controller of electric is set to two tunnel controllable constant-current power supplys.
In one of which embodiment, the power-supply controller of electric is provided with outfan, the outfan
It is provided with a common line outfan, two control circuit outfans.
In one of which embodiment, the common line outfan connects described public by circuit
Line contacts, the control circuit outfan are respectively communicated with described two control circuit contacts.
In one of which embodiment, the common line outfan connects the lamppost by circuit
On, the control circuit outfan is respectively communicated with described two control circuit contacts.
Further to technology contents of the invention, the variable color-temperature control program of headlight for vehicles is illustrated.
Headlight for vehicles arranges control program：Power-supply controller of electric is set to connect switching by input power
Come two output circuit working conditions of change, and then controls the LED chip group change work, so passes through
The opening of control car steering position headlight for vehicles switch reaches the purpose for changing headlight for vehicles colour temperature with closing.Letter
It is single practical, it is convenient and swift.Concrete variable color-temperature control method arranges as follows：
(N is can flexibly to arrange numerical value, general 1 second -- between 30 seconds)
Below principle of the invention and excellent results etc. are illustrated
Headlight for vehicles of the present invention, as luminous zone is provided with headlight lamppost, sets in luminous zone
It is equipped with two chipsets, it is different that two chipsets are set to light emission color temperature during work, by power supply two
Chipset working condition reaches the purpose for changing colour temperature.Due to directly employing LED chip group concentrated setting,
Because chip volume itself is small, program color blending effect is good, and brightness is high, and light shape is good, effectively overcomes common LED
Light volume source is big, and inconvenience is installed, the shortcomings of colour mixture is bad.This sample plan headlight for vehicles illuminant color floats
It is bright uniform.Colour temperature changes notable, does not produce veiling glare, is conducive to tackling various Changes in weather uses.
The wiring board is provided with a common line contact, two control circuit contacts, by two LED
Chipset connects into common anode or common cathode circuit, can so reduce control circuit cost, it is ensured that the headlight for vehicles
Export constant in various colour temperature state powers.So that it is guaranteed that the headlight for vehicles illuminates using effect.
Inside the luminous zone arrange concavity cup, the luminous zone bottom be cup bottom, the cup
Bottom is set to two different planes of the depth, and then LED chip group is respectively provided to different two of height and puts down
Ingenious way is played in face, this design, between two chipsets, no box dam interval.Two are furthered directly
Chipset distance, beneficial to colour mixture.Second, two groups of chip is one high and one low, not on a plane, can during work
Reduction is interfered, and keeps the independence of two groups of colour temperatures, increases color change interval, so as to improve color changeable effect.
3rd, disposably dispensing double-colored temperature can be obtained, improve production efficiency reduces production cost.
The luminous zone arranges various ways, meets various market demands.Four sides arranges light source, realizes
360 light, and no dark space, brightness are high, meet Popular Aesthetics idea, and market prospect is good.
The power-supply controller of electric is provided with power input, the power input be provided with power line and
Attaching plug, the attaching plug are connected with automobile power source, so install simple and convenient, stable and reliable in work,
Low cost, market prospect are good.
The power-supply controller of electric is set to two tunnel controllable constant-current power supplys, and circuit is simple, exports constant, protects
Hold under various colour temperature states, light output is consistent.
The power-supply controller of electric is provided with outfan.The outfan is provided with a common line output
End, the common line outfan is by connection to the common line contact.The outfan is arranged
There are two control circuit outfans, described two control circuit outfans are by connection to described two controls
Line contacts processed.
Headlight for vehicles of the present invention, its control mode are set to：By power supply appliance mains switch
Connecting and disconnecting change two LED chip group working conditions, so by controlling operator seat headlight for vehicles switch
Opening and closing mode reach the purpose of variable color-temperature, it is simple and convenient, it is practical quick.
Description of the drawings
Fig. 1 Fig. 2 Fig. 3 implements luminous zone described in the car light for the present invention and arranges schematic diagram
Fig. 4 implements cup bottom described in the car light for the present invention and arranges schematic diagram
Fig. 5 implements power-supply controller of electric described in the car light and system connection diagram for the present invention
Fig. 6 implements power controller circuit schematic diagram described in the car light for the present invention
Description of reference numerals：
10th, lamppost, 12, luminous zone, 13, shallow-layer face, 14, deep layer face, 20, LED chip group,
30th, wiring board, 31, control circuit contact, 32, common line contact, 33, conducting wire, 40, deep
Floor area, 41, shallow-layer area, 50, phosphor gel.
Specific embodiment
Below embodiments of the invention are described in detail：
As shown in Figure 1 and Figure 2, car light of the present invention, including lamppost 10,10 side of the lamppost
Wall top is provided with luminous zone 12, and the luminous zone 12 is provided with LED chip, and the LED chip has many
Individual, multiple LED chip connection in series-parallel constitute two LED chip groups 20, and a LED chip group 20 is sent out low
Color temperature white light, 20 high color temperature white lights of another LED chip group.The LED chip group 20 passes through power supply
Controller control can send the white light of different-colour, play a part of car light variable color-temperature of the present invention.
As shown in Figure 1 and Figure 2, the wiring board 30 is provided with conducting wire, the conducting wire 33
Two ends are provided with a common line contact 32, two control circuit contacts 31.Two anelectrodes are connected to
The common line contact 32, two negative electrodes are coupled with two control line contacts 31.Realize described
Connection of the LED chip group 20 to the power-supply controller of electric.
As shown in figure 4, spill cup inside the luminous zone 12, is set to, while being provided with deep layer
Face 14, shallow-layer face 13, the one of which in the LED chip group 20 are arranged on the deep layer face 14,
Another group is arranged on the shallow-layer face 13.So arrange and LED chip group 20 is reduced mutually when working
Interference, is conducive to controlling colour temperature, the color changeable effect for having reached.Another advantage is exactly to reduce LED chip
Horizontal range between group 20, the color blending effect for having reached so that white light is pure, uniformly.
As shown in figure 4, the luminous zone 12 is coated with phosphor gel 50.The phosphor gel 50 is led to
Cross once injection and cover the luminous zone 12, so, be attached to the LED chip in the deep layer face 14
The fluorescent material covered by group 20 is thick, can send out low color temperature white light.In the same manner, it is attached to the institute in the shallow-layer face 13
State the fluorescent material covered by LED chip group 20 thin, high color temperature white light can be sent out.So, simple production process,
Production cost can be reduced.
As shown in figure 3, a face of 10 side wall of the lamppost is provided with the luminous zone 12；Or,
Two faces of 10 side wall of the lamppost are provided with the luminous zone 12；Or, the three of 10 side wall of the lamppost
Individual face is provided with the luminous zone 12；Or, four faces of 10 side wall of the lamppost are provided with the luminous zone
12.So, can select according to demand to make the variable color-temperature headlight for vehicles product of different lighting angles.
As shown in Fig. 5 Fig. 6, the power-supply controller of electric is provided with power input, the power input
End is provided with power line, and attaching plug, attaching plug are connected with automobile power source, and power-supply controller of electric is designed as
Input power is connected, and disconnection connects to change output conducting and off state again, as shown in fig. 6, so setting
Meter, headlight of the present invention are electrically connected with automobile power source completely as traditional Halogen light, be can be achieved with
The effect of variable color-temperature, it is simple and convenient, it is practical quick, there is broad mass market prospect.Power supply described in headlight for vehicles
Controller output end is provided with a common line outfan, connects the common line contact 32, arranges two
Individual control circuit outfan, is respectively communicated with the control circuit contact 31.So, control circuit is succinct, into
This is low, exports reliable and stable.
To sum up, the invention has the advantages that：
1, headlight for vehicles of the present invention arranges luminous zone 12 on lamppost 10, and luminous zone 12 is arranged
Two LED chip groups 20, two 20 anelectrodes of LED chip group are commonly connected to the common line of wiring board
Contact 32, is connected to power-supply controller of electric common line outfan by wiring board 30.Two LED chip groups
20 negative electrodes are connected respectively to the control circuit contact 32 of wiring board 30, are connected to electricity by conducting wire 33
Source controller control circuit outfan.Two LED chip groups 20 can send out the white light of different-colour when working,
By two work variable conditions of LED chip groups 20 of power controller controls, headlight for vehicles colour temperature can be made
Change is produced, so, the frame personnel of sailing can easily tackle Changes in weather, and the colour temperature of headlight for vehicles is adjusted
It is whole, reach best frame and sail effect.For the high power light source for requiring optically focused, light is combined with chip
Source is preferable.Double group color mixing light sources are done especially.With common packaged LED light source, due to usual body
Product causes astigmatism, it is impossible to the effect made than larger.
2, headlight for vehicles of the present invention, wiring board 30 are set to three-line, simple structure.
3, allow chip to be arranged on different plan-positions, send out different-colour white light, elimination is interfered,
Reasonable effect can be produced.
4, multiple color temperatures white light is sent inside a light source body.
5, headlight for vehicles of the present invention, designed control program arrange electricity by power-supply controller of electric
Change two paths of LED chipset working condition during source switch connecting and disconnecting, can not make any changes on former car
In the case of, simple operationss headlight for vehicles switch can just reach the function of variable color-temperature, it is so not only simple but also
Practicality, making use cost be not high, can reach a good effect, headlight for vehicles of the present invention, tool again
There is extensive market development prospect.
6, each technical characteristic of embodiment described above can carry out combination in any, to make description succinct,
It is not all possible to each technical characteristic in above-described embodiment combination be all described, as long as however, this
There is no contradiction in the combination of a little technical characteristics, be all considered to be the scope of this specification record.
Embodiment described above only expresses the several embodiments of the present invention, its description it is more concrete and
Detail, but therefore can not be construed as limiting the scope of the patent.It should be pointed out that for this
For the those of ordinary skill in field, without departing from the inventive concept of the premise, some changes can also be made
Shape and improvement, these belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be with
Claims are defined.
Claims (9)
1. a kind of variable color-temperature LED automobile headlight (hereinafter referred to as headlight for vehicles), it is characterised in that including lamppost, the lamppost are in four sides cylindricality, and have conductive and heat-conductive function.The lamppost side wall upper part is provided with luminous zone, and the luminous zone is provided with LED chip, and the LED chip has multiple, and multiple LED chips constitute two LED chip groups by connection in series-parallel, and described two LED chip groups are provided with anelectrode and negative electrode.
2. headlight for vehicles according to claim 1, is further characterized in that：Wiring board, the wiring board are provided with conducting wire, and the conducting wire two ends are provided with a common line contact, two control circuit contacts.The anelectrode is connected to the common line contact, and the negative electrode is connected respectively to two control circuit contacts.Or the negative electrode is connected to the common line contact, the anelectrode is connected respectively to two control circuit contacts.Or the anelectrode is connected on the lamppost, the negative electrode is connected respectively to described two control circuit contacts.Or the negative electrode is connected on the lamppost, the anelectrode is connected respectively to described two control circuit contacts.
3. headlight for vehicles according to claim 1, it is further characterized in that, concavity cup is set inside the luminous zone, the luminous zone bottom is cup bottom, the cup bottom is set to two different planes of the depth, one is deep layer face, and another is shallow-layer face, and the region that deep layer face is connected is deep layer region.The region that shallow-layer face is connected is shallow-layer area.The LED chip group one is attached at the deep layer face, and another is attached at the shallow-layer face.
4. headlight for vehicles according to claim 3, is further characterized in that, the luminous zone is coated with phosphor gel.The phosphor gel covers the luminous zone by once injection.Or, the phosphor gel covers the deep layer region by once injection, covers the luminous zone by secondary injection.
5. headlight for vehicles according to claim 1, is further characterized in that, a face of lamppost side wall is provided with the luminous zone.Or two faces of lamppost side wall are provided with the luminous zone.Or three faces of lamppost side wall are provided with the luminous zone.Or four faces of lamppost side wall are provided with the luminous zone.
6. the headlight for vehicles according to claim 1-5, it is characterised in that power-supply controller of electric, the power-supply controller of electric are provided with power input.The power input is provided with power line and attaching plug, and the attaching plug is connected with automobile power source.
7. headlight for vehicles according to claim 6, the power-supply controller of electric are set to two tunnels output controllable constant-current power supply.
8. the headlight for vehicles according to claim 6-7, the power-supply controller of electric are provided with outfan, and the outfan is provided with a common line outfan, two control circuit outfans.The common line outfan connects the common line contact by circuit, and described two control circuit outfans are respectively communicated with described two control circuit contacts.Or, by connection on the lamppost, described two control circuit outfans are respectively communicated with described two control circuit contacts to the common line outfan.
9. the headlight for vehicles according to claim 1-8, is further characterized in that：The headlight for vehicles is provided with control program, and the control program is：Change two LED chip group working conditions by controlling the connecting and disconnecting of power supply appliance mains switch, the connecting and disconnecting for so controlling car steering position headlight for vehicles switch reach change headlight for vehicles colour temperature purpose.Concrete variable color-temperature control method arranges as follows：
①
②
③
(N is can flexibly to arrange numerical value, general 1 second -- between 30 seconds).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510610996.2A CN106555981A (en) | 2015-09-21 | 2015-09-21 | Variable color-temperature LED automobile headlight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510610996.2A CN106555981A (en) | 2015-09-21 | 2015-09-21 | Variable color-temperature LED automobile headlight |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106555981A true CN106555981A (en) | 2017-04-05 |
Family
ID=58413435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510610996.2A Pending CN106555981A (en) | 2015-09-21 | 2015-09-21 | Variable color-temperature LED automobile headlight |
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| Country | Link |
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| US10448471B1 (en) | 2018-06-29 | 2019-10-15 | Abl Ip Holding Llc | Lighting system with configurable dimming |
| US10674579B2 (en) | 2018-01-26 | 2020-06-02 | Abl Ip Holding Llc | Lighting fixture with selectable color temperature |
| US10856384B2 (en) | 2018-05-29 | 2020-12-01 | Abl Ip Holding Llc | Lighting system with configurable color temperatures |
| US10874006B1 (en) | 2019-03-08 | 2020-12-22 | Abl Ip Holding Llc | Lighting fixture controller for controlling color temperature and intensity |
| US10952292B2 (en) | 2018-08-09 | 2021-03-16 | Abl Ip Holding Llc | Programmable driver for variable light intensity |
| US11083061B1 (en) | 2020-10-16 | 2021-08-03 | Abl Ip Holding Llc | Systems to control light output characteristics of a lighting device |
| CN113491574A (en) * | 2021-06-30 | 2021-10-12 | 深圳可思美科技有限公司 | LED light-emitting depilation device |
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