CN109302768A - A kind of brightness-adjusting of LED light source and the device of colour temperature - Google Patents
A kind of brightness-adjusting of LED light source and the device of colour temperature Download PDFInfo
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- CN109302768A CN109302768A CN201811095368.5A CN201811095368A CN109302768A CN 109302768 A CN109302768 A CN 109302768A CN 201811095368 A CN201811095368 A CN 201811095368A CN 109302768 A CN109302768 A CN 109302768A
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- led light
- color temperature
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- brightness
- adjusting
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- 230000000694 effects Effects 0.000 abstract description 4
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- 239000003990 capacitor Substances 0.000 description 4
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- 238000004891 communication Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
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- 101000773153 Homo sapiens Thioredoxin-like protein 4A Proteins 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/10—Controlling the intensity of the light
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
A kind of brightness-adjusting of LED light source and the device of colour temperature, described device includes: governor circuit, high color temperature LED drive circuit, low color temperature LED drive circuit, high color temperature LED, low color temperature LED；Wherein, the first output end of one end connection governor circuit of the high color temperature LED drive circuit, the other end connect high color temperature LED；The second output terminal of one end connection governor circuit of the low color temperature LED drive circuit, the other end connect low color temperature LED.It is of the invention novel in design, it adjusts control simply, realizes the brightness and color temperature adjustment of LED light source, selection is suitble to the light of oneself in working and learning, thus it is possible to vary the atmosphere of work and study environment, and then achieve the effect that eyeshield.
Description
Technical field
The present invention relates to optics, person in electronics, the brightness-adjusting of specifically a kind of LED light source and the dress of colour temperature
It sets.
Background technique
Present LED light source has been succeeded in developing, and luminous efficiency is suitable with fluorescent lamp, and the service life is but up to 50,000 hours, saves very much
Electricity can be widely applied to desk lamp and room lighting.However the brightness of common LED light source is all using simple ballast control
System, brightness are not adjustable, and colour temperature is less adjustable, and is not able to satisfy the further application demand of illumination.
Currently, having some newly developed LED etc. that can adjust colour temperature and brightness, for example, Chinese invention patent
CN207573680U is related to a kind of colour temperature and the adjustable intelligent LED street lamp of brightness, including power module and at least one set of LED light
Group, further includes wireless communication module, the first pwm circuit and the second pwm circuit, and the wireless communication module receives colour temperature adjustment letter
Number, colour temperature adjustment signal is transferred to the first pwm circuit and the second pwm circuit, the adjustment of the first pwm circuit by wireless communication module
First actuator power changes the first colour temperature LED lamp group colour temperature, and the second pwm circuit adjusts the second actuator power and changes second
Colour temperature LED light group colour temperature passes through the color of the first colour temperature LED light group and the second colour temperature LED light group colour temperature Mixed adjustment LED street lamp
Temperature, and by wireless regulative mode, it realizes remote adjustment function, improves the practicability of intelligent LED street lamp.
In another example Chinese invention patent CN108093507A discloses a kind of band memory adjustable color temperature, brightness LED illumination
Control circuit, including fuse F1, capacitor CX1 and rectifier bridge DB1, the one end the switch POWER connect 220V alternating current fire wire
End, the switch POWER other end connect fuse F1, and the fuse F1 other end is separately connected the one end capacitor CX1, inductance L2 and resistance
R1, the resistance R1 other end are separately connected the inductance L2 other end and an input terminal of rectifier bridge DB1, rectifier bridge DB1 another
Input terminal is separately connected resistance R2 and inductance L3, the inductance L3 other end be separately connected the resistance R2 other end, the capacitor CX1 other end and
220V alternating current zero line side, mono- output end of rectifier bridge DB1 are separately connected capacitor CE1, inductance L1 and resistance R7.
However, the technical solution circuit in above-mentioned existing patent is complex, higher cost.
Summary of the invention
The purpose of the present invention is what is be achieved through the following technical solutions.
In order to overcome the shortcomings of above-mentioned LED light source higher cost, the present invention provides a kind of LED light sources being simple and efficient
Brightness-adjusting and colour temperature device.
Specifically, according to an aspect of the present invention, a kind of brightness-adjusting of LED light source and the dress of colour temperature are disclosed
It sets, described device includes: governor circuit, high color temperature LED drive circuit, low color temperature LED drive circuit, high color temperature LED, low color temperature
LED；
Wherein, the first output end of one end connection governor circuit of the high color temperature LED drive circuit, other end connection are high
Colour temperature LED；
The second output terminal of one end connection governor circuit of the low color temperature LED drive circuit, the other end connect low color temperature
LED。
Preferably, the governor circuit includes: single-chip microcontroller, ON/OFF switch, brightness regulation with ADC and PWM function
Rotary switch and color temperature adjustment rotary switch；Wherein,
The ON/OFF switch, brightness regulation knob switch, color temperature adjustment rotary switch connect the single-chip microcontroller respectively
The port ADC1, ADC2, ADC3；
One end of the high color temperature LED drive circuit connects the port PWM1 of the single-chip microcontroller, and the low color temperature LED drives
One end of dynamic circuit connects the port PWM2 of the single-chip microcontroller.
Preferably, the model STC12C5615AD32 model of the single-chip microcontroller.
Preferably, the high color temperature LED drive circuit includes: the first LED light driving chip with DIM control, wherein
The end DIM of the first LED light driving chip connects the end PWM1 of the single-chip microcontroller, and the end Vin connects low-voltage dc power supply, Sw
The anode of the first driving current output end of end connection, FBThe cathode of the first driving current output end of end connection.
Preferably, the high color temperature LED drive circuit further comprises: the first inductance, first diode, first resistor；
Wherein,
One end of first inductance connects the end Vin of the first LED light driving chip, and the other end connects the first LED light and drives
The end Sw of dynamic chip；
One end of the first diode connects the end Sw of the first LED light driving chip, the first driving current of another termination
The anode of output end；
One end of the first resistor connects the F of the first LED light driving chipBEnd, other end ground connection.
Preferably, the low color temperature LED drive circuit includes: the second LED light driving chip with DIM control, wherein
The end DIM of the second LED light driving chip connects the end PWM2 of the single-chip microcontroller, and the end Vin connects low-voltage dc power supply, Sw
The anode of the second driving current output end of end connection, FBThe cathode of the second driving current output end of end connection.
Preferably, the low color temperature LED drive circuit further comprises: the second inductance, the second diode, second resistance；
Wherein,
One end of second inductance connects the end Vin of the second LED light driving chip, and the other end connects the second LED light and drives
The end Sw of dynamic chip；
One end of second diode connects the end Sw of the second LED light driving chip, the second driving current of another termination
The anode of output end；
One end of the second resistance connects the F of the second LED light driving chipBEnd, other end ground connection.
Preferably, the model TPS61165 chip of the first, second LED light driving chip.
Preferably, the high color temperature LED is connected across between the anode and cathode of the first driving current output end；The low color
Warm LED is connected across between the anode and cathode of the second driving current output end, and the high color temperature LED and low high color temperature LED
It is arranged on LED light support plate, is alternately distributed and adjacent to each other.
Preferably, when ON/OFF switch is opens, the voltage of the monolithic machine testing ADC2, according to the height of voltage
The size of PWM1 and PWM2 output pulse signal duty ratio is arranged in difference, realizes the adjusting of LED light brightness；It is switched in ON/OFF
When to open, the voltage of monolithic machine testing ADC3 is different according to the height of voltage, is arranged between PWM1 and PWM2 output pulse signal
The ratio of duty ratio realizes the adjusting of LED light colour temperature.
The invention proposes the devices of a kind of brightness-adjusting of LED light source and colour temperature, novel in design, adjust control letter
It is single, the brightness and color temperature adjustment of LED light source are realized, selection is suitble to the light of oneself in working and learning, thus it is possible to vary work
Make the atmosphere of academic environment, and then achievees the effect that eyeshield, meanwhile, the regulatory function of brightness and colour temperature can also be widely used in
On other lighting sources, such as eye-protecting desk lamp, ceiling lamp etc..
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field
Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as to the present invention
Limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings:
Attached drawing 1 shows the device of the brightness-adjusting and colour temperature of a kind of LED light source of embodiment according to the present invention
Functional block diagram；
Attached drawing 2 shows the device of the brightness-adjusting and colour temperature of a kind of LED light source of embodiment according to the present invention
Circuit diagram.
Specific embodiment
The illustrative embodiments of the disclosure are more fully described below with reference to accompanying drawings.Although showing this public affairs in attached drawing
The illustrative embodiments opened, it being understood, however, that may be realized in various forms the disclosure without the reality that should be illustrated here
The mode of applying is limited.It is to be able to thoroughly understand the disclosure on the contrary, providing these embodiments, and can be by this public affairs
The range opened is fully disclosed to those skilled in the art.
Fig. 1 shows a kind of original of the device of the brightness-adjusting and colour temperature of LED light source of embodiment according to the present invention
Manage block diagram；As shown in Figure 1, described device includes: governor circuit, high color temperature LED drive circuit, low color temperature LED drive circuit, height
Colour temperature LED, low color temperature LED；Wherein, the first output end of one end connection governor circuit of the high color temperature LED drive circuit, separately
One end connects high color temperature LED；The second output terminal of one end connection governor circuit of the low color temperature LED driving circuit, the other end
Connect low color temperature LED.
Specific circuit structure is as shown in Figure 2.
Referring to attached drawing 2, the brightness-adjusting of the LED light source and the device of colour temperature, main includes having ADC and PWM function
Single-chip microcontroller U1 and for realize function of the MCU peripheral circuit, ON/OFF switch, brightness regulation knob switch 1, color temperature adjustment
Rotary switch 2, with DIM control LED light driving chip U2/U3 and peripheral circuit, can load high color temperature LED light string and
The LED light support plate U4 and low-voltage dc power supply VCC of low color temperature LED light string.Wherein, U1 selects STC12C5615AD32 model
Single-chip microcontroller, LED light driving chip U2/U3 use the TPS61165 chip of TI company, and high color temperature LED light string is using 0.1w's or so
Low-power LED lamp of the colour temperature in 7500k is connected in series, and low color temperature LED light string uses the colour temperature of 0.1w or so in the small function of 2500k
Rate LED light is connected in series, and ON/OFF switch, brightness regulation knob switch 1, color temperature adjustment rotary switch 2 connect single-chip microcontroller respectively
The port PWM1 and PWM2 of the port ADC1, ADC2, ADC3, single-chip microcontroller connects the port DIM1 and DIM2 of LED drive chip respectively,
High color temperature LED light string positive and negative terminal connects with the positive and negative anodes of the driving current output end of LED drive chip U2 respectively, low color temperature LED
Lamp string positive and negative terminal connects with the positive and negative anodes of the driving current output end of LED drive chip U3 respectively.High color temperature LED light string and low color
Warm LED light string is arranged alternately on LED light support plate and adjacent to each other, and the angle between high low color temperature LED light string is big
Small is between 0 °~180 °.
It wherein, include: inductance L1 in the peripheral circuit of high color temperature LED light driving chip U2, one end connects LED light driving
The end Vin of chip U2, the other end connect the end Sw of LED light driving chip U2；Diode D1, one end connect the end Sw of U2, separately
The anode of one termination driving current output end；Resistance R1, one end connect the F of U2BEnd, other end ground connection or other electronics devices
Part.
It wherein, include: inductance L2 in the peripheral circuit of low color temperature LED light driving chip U3, one end connects LED light driving
The end Vin of chip U3, the other end connect the end Sw of LED light driving chip U3；Diode D2, one end connect the end Sw of U3, separately
The anode of one termination driving current output end；Resistance R2, one end connect the F of U3BEnd, other end ground connection or other electronics devices
Part.
In the present invention, LED light string is driven by LED drive chip, and driving current size is controlled by resistance R1 and R2, is passed through
The resistance value for changing R1 and R2 can realize the size of driving current, and then determine the brightness of LED light string.Driving chip has
DIM control function, the effect of the function are exactly to control conducting and the pass of driving current by the duty ratio of the pwm pulse of input
The ratio of disconnected time, visually caused by influence to be exactly that the brightness of LED light string becomes larger or becomes smaller, when PWM duty cycle is smaller,
Brightness becomes smaller, and when duty ratio becomes larger, brightness brightens.The size that PWM duty cycle is controlled by single-chip microcontroller, is achieved that LED light source
Brightness regulation.
When ON/OFF switch is closes, by the signal input low level of the port ADC1, single-chip microcontroller passes through after detecting
Program is cashed, so that it is low level that PWM1 and PWM2 is exported simultaneously, driving chip is in off position, to keep LED light
In OFF state.When ON/OFF switch is opens, by the signal input high level of the port ADC1, after single-chip microcontroller detects
It is cashed by program, so that the pulse signal that PWM1 and PWM2 is exported simultaneously as certain duty ratio, driving chip are in work shape
State, so that LED light be kept to be in illuminating state.When ON/OFF switch is opens, the voltage of monolithic machine testing ADC2, according to voltage
Height it is different, the size of PWM1 and PWM2 output pulse signal duty ratio is set, realizes the adjusting of LED light brightness.In ON/
OFF switch is when opening, and the voltage of monolithic machine testing ADC3 is different according to the height of voltage, and PWM1 and PWM2 is arranged and exports pulse
The ratio of duty ratio between signal realizes the adjusting of LED light colour temperature.
When high color temperature and low color temperature LED light source are close to each other, the illumination effect of light source will be overlapped, and it is existing that colour mixture occurs
As the colour temperature that overall performance comes out will change, and if necessary to low color temperature, be increased by the brightness of low color temperature LED light string, drop
The brightness of low high color temperature LED light string；If necessary to high color temperature, it is increased by the brightness of high color temperature LED light string, reduces low color temperature LED
The brightness of lamp string.
When colour temperature is less than 3000k, issue warm colour light, to people feel be it is light and comfortable, when colour temperature 4000~
It is soft white light when 5000k, when being greater than 6000k, just close to the picture coloured light of cool tone.It is defeated by two groups of PWM of control
The ratio of duty ratio can realize the adjusting of different-colour out, by the size for controlling two groups of PWM output duty cycles, so that it may
Realize the brightness regulation of LED light source.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of the claim
Subject to enclosing.
Claims (10)
1. a kind of brightness-adjusting of LED light source and the device of colour temperature, which is characterized in that
Described device includes: governor circuit, high color temperature LED drive circuit, low color temperature LED drive circuit, high color temperature LED, low color
Warm LED；
Wherein, the first output end of one end connection governor circuit of the high color temperature LED drive circuit, the other end connect high color temperature
LED；
The second output terminal of one end connection governor circuit of the low color temperature LED drive circuit, the other end connect low color temperature LED.
2. the brightness-adjusting of LED light source according to claim 1 and the device of colour temperature, which is characterized in that
The governor circuit include: single-chip microcontroller with ADC and PWM function, ON/OFF switch, brightness regulation knob switch and
Color temperature adjustment rotary switch；Wherein,
ON/OFF switch, brightness regulation knob switch, color temperature adjustment rotary switch connect respectively the single-chip microcontroller ADC1,
The port ADC2, ADC3；
One end of the high color temperature LED drive circuit connects the port PWM1 of the single-chip microcontroller, the low color temperature LED drive circuit
One end connect the port PWM2 of the single-chip microcontroller.
3. the brightness-adjusting of LED light source according to claim 2 and the device of colour temperature, which is characterized in that
The model STC12C5615AD32 model of the single-chip microcontroller.
4. the brightness-adjusting of LED light source according to any one of claims 1 to 3 and the device of colour temperature, feature exist
In,
The high color temperature LED drive circuit includes: the first LED light driving chip with DIM control, wherein the first LED
The end DIM of lamp driving chip connects the end PWM1 of the single-chip microcontroller, and the end Vin connects low-voltage dc power supply, and the end Sw connection first is driven
The anode of streaming current output end, FBThe cathode of the first driving current output end of end connection.
5. the brightness-adjusting of LED light source according to claim 4 and the device of colour temperature, which is characterized in that
The high color temperature LED drive circuit further comprises: the first inductance, first diode, first resistor；Wherein,
One end of first inductance connects the end Vin of the first LED light driving chip, and the other end connects the first LED light and drives core
The end Sw of piece；
One end of the first diode connects the end Sw of the first LED light driving chip, the output of the first driving current of another termination
The anode at end；
One end of the first resistor connects the F of the first LED light driving chipBEnd, other end ground connection.
6. the brightness-adjusting of LED light source according to any one of claims 1 to 3 and the device of colour temperature, feature exist
In,
The low color temperature LED drive circuit includes: the second LED light driving chip with DIM control, wherein the 2nd LED
The end DIM of lamp driving chip connects the end PWM2 of the single-chip microcontroller, and the end Vin connects low-voltage dc power supply, and the end Sw connection second is driven
The anode of streaming current output end, FBThe cathode of the second driving current output end of end connection.
7. the brightness-adjusting of LED light source according to claim 6 and the device of colour temperature, which is characterized in that
The low color temperature LED drive circuit further comprises: the second inductance, the second diode, second resistance；Wherein,
One end of second inductance connects the end Vin of the second LED light driving chip, and the other end connects the second LED light and drives core
The end Sw of piece；
One end of second diode connects the end Sw of the second LED light driving chip, the output of the second driving current of another termination
The anode at end；
One end of the second resistance connects the F of the second LED light driving chipBEnd, other end ground connection.
8. the brightness-adjusting of the LED light source according to claim 5 or 7 and the device of colour temperature, which is characterized in that
The model TPS61165 chip of the first, second LED light driving chip.
9. the brightness-adjusting of LED light source according to claim 8 and the device of colour temperature, which is characterized in that
The high color temperature LED is connected across between the anode and cathode of the first driving current output end；The low color temperature LED is connected across
Between the anode and cathode of second driving current output end, and the high color temperature LED and low high color temperature LED are arranged in LED light
On support plate, it is alternately distributed and adjacent to each other.
10. the brightness-adjusting of LED light source according to claim 2 and the device of colour temperature, which is characterized in that
When ON/OFF switch is opens, the voltage of the monolithic machine testing ADC2 is different according to the height of voltage, setting
The size of PWM1 and PWM2 output pulse signal duty ratio realizes the adjusting of LED light brightness；It is single when ON/OFF switch is opens
The voltage of piece machine testing ADC3, it is different according to the height of voltage, duty ratio between PWM1 and PWM2 output pulse signal is set
Ratio realizes the adjusting of LED light colour temperature.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811095368.5A CN109302768A (en) | 2018-09-19 | 2018-09-19 | A kind of brightness-adjusting of LED light source and the device of colour temperature |
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|---|---|---|---|
| CN201811095368.5A CN109302768A (en) | 2018-09-19 | 2018-09-19 | A kind of brightness-adjusting of LED light source and the device of colour temperature |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115499968A (en) * | 2022-11-21 | 2022-12-20 | 四川世纪和光科技发展有限公司 | LED lamp with adjustable eye axis and use method thereof |
| CN115665919A (en) * | 2022-11-21 | 2023-01-31 | 四川世纪和光科技发展有限公司 | LED color temperature adjustable device and use method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202514101U (en) * | 2011-11-16 | 2012-10-31 | 南京中电熊猫照明有限公司 | Dimming and toning illumination system |
| CN103596336A (en) * | 2013-11-20 | 2014-02-19 | 深圳市九洲光电科技有限公司 | LED dimming and color adjusting circuit |
| CN104125686A (en) * | 2014-06-24 | 2014-10-29 | 深圳市九洲光电科技有限公司 | Safe-isolated and full-color LED lamp circuit and dimming method |
| CN204062606U (en) * | 2014-09-10 | 2014-12-31 | 南京视威电子科技股份有限公司 | The LED lamp of adjustable color temperature |
| CN107816694A (en) * | 2017-10-31 | 2018-03-20 | 梁志远 | A kind of meal lamp with contextual model switching |
| CN209659659U (en) * | 2018-09-19 | 2019-11-19 | 章奕 | A kind of brightness-adjusting of LED light source and the device of colour temperature |
-
2018
- 2018-09-19 CN CN201811095368.5A patent/CN109302768A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202514101U (en) * | 2011-11-16 | 2012-10-31 | 南京中电熊猫照明有限公司 | Dimming and toning illumination system |
| CN103596336A (en) * | 2013-11-20 | 2014-02-19 | 深圳市九洲光电科技有限公司 | LED dimming and color adjusting circuit |
| CN104125686A (en) * | 2014-06-24 | 2014-10-29 | 深圳市九洲光电科技有限公司 | Safe-isolated and full-color LED lamp circuit and dimming method |
| CN204062606U (en) * | 2014-09-10 | 2014-12-31 | 南京视威电子科技股份有限公司 | The LED lamp of adjustable color temperature |
| CN107816694A (en) * | 2017-10-31 | 2018-03-20 | 梁志远 | A kind of meal lamp with contextual model switching |
| CN209659659U (en) * | 2018-09-19 | 2019-11-19 | 章奕 | A kind of brightness-adjusting of LED light source and the device of colour temperature |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115499968A (en) * | 2022-11-21 | 2022-12-20 | 四川世纪和光科技发展有限公司 | LED lamp with adjustable eye axis and use method thereof |
| CN115665919A (en) * | 2022-11-21 | 2023-01-31 | 四川世纪和光科技发展有限公司 | LED color temperature adjustable device and use method |
| CN115665919B (en) * | 2022-11-21 | 2023-05-02 | 四川世纪和光科技发展有限公司 | LED adjustable temperature device and use method |
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