CN203467037U - LED light source module with adjustable color temperature - Google Patents
LED light source module with adjustable color temperature Download PDFInfo
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- CN203467037U CN203467037U CN201320589919.XU CN201320589919U CN203467037U CN 203467037 U CN203467037 U CN 203467037U CN 201320589919 U CN201320589919 U CN 201320589919U CN 203467037 U CN203467037 U CN 203467037U
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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
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- 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
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The utility model discloses an LED light source module with adjustable color temperature. The LED light source module is formed by a driving power supply, a section switch unit and an LED light source. The LED light source is formed by a first LED chip group and a second LED chip group with different color temperature. The driving power supply is used for driving the first LED chip group and the second LED chip group to emit light. The first control output end of the section switch unit is connected to a first light source circuit, and the second control output end of the section switch unit is connected to a second light source circuit. The section switch unit controls the first LED chip group to emit warm light with a 3000K color temperaturevalue separately, or controls the second LED chip group to emit white light with a 6000K color temperature value separately, or controls the first LED chip group and the second LED chip group to emit light at the same time, a warm white light with a 4500K color temperature value is emitted through color mixing, a user can select and use light of three different color temperature values, and a different atmosphere is created.
Description
Technical field
The utility model relates to LED lighting field, particularly a kind of LED light source assembly of adjustable color temperature.
Background technology
At present, LED light source is long, pollution-free with the life-span, light efficiency high just progressively replace incandescent and fluorescent light, so there is the LED light fixture as light source with LED.Colour temperature is that colour temperature may be interpreted as for weighing the photochromic value of light source: the color of source emissioning light and black matrix be the radiant light form and aspect while at a certain temperature, and the temperature of black matrix is called the colour temperature of this light source.Light source color temperature is different, and photochromic also just different, colour temperature has steady atmosphere once at 3300K, warm sensation; Colour temperature is middle colour temperature at 3000-5000K, has frank sensation; Colour temperature has cold sensation more than 5000K.The light source of different-colour can bring user different impressions, and the hobby of colour temperature is also because people determines, but the light source of existing LED lamp can only send a kind of colour temperature, and user can not regulate colour temperature.
Utility model content
Main purpose of the present utility model is to provide a kind of LED light source assembly of adjustable color temperature, is intended to the colour temperature of light source to carry out three sections of adjustings, and for user provides three kinds of different colour temperatures illuminations, and the regular tap that can directly connect family expenses controls, and is user-friendly to.
The utility model proposes a kind of LED light source assembly of adjustable color temperature, comprise LED light source and driving power, described LED light source is comprised of LED chip group-the first LED chip group and the second LED chip group of two groups of different-colours, the first LED chip that described the first LED chip group is 3000K by several color temperature values is composed in series, the second LED chip that described the second LED chip group is 6000K by several color temperature values is composed in series, the quantity of described the first LED chip is identical with the quantity of described the second LED chip, the output of described driving power and described the first LED chip group are electrically connected, form the first light source loop, the output of described driving power and described the second LED chip group are electrically connected, form secondary light source loop, described LED light source assembly also comprises block switch unit, the first control output end of described block switch unit is connected in described the first light source loop, the second control output end of described block switch unit is connected in described secondary light source loop, described in described block switch unit controls, the first LED chip group is sent separately the light of the first color temperature value, or control the light that described the second LED chip group is sent separately the second color temperature value, or control described the first LED chip group and described the second LED chip group is simultaneously luminous, through colour mixture, send the light of the 3rd color temperature value.
Preferably, described block switch unit is connected with AC power, described block switch unit comprises mains switch, with the AC-DC power circuit of described mains switch electrical connection, being TC2608 with the model of the output electrical connection of described AC-DC power circuit, segmentation is controlled IC and is subject to described segmentation to control the first relay and the second relay that IC controls, the first output electrical connection of IC is controlled in the coil-end of described the first relay and described segmentation, and the tip side of described the first relay is the first control output end of described block switch unit; The second output electrical connection of IC is controlled in the coil-end of described the second relay and described segmentation, and the tip side of described the second relay is the second control output end of described block switch unit.
Preferably, described AC-DC power circuit is comprised of the first reduction voltage circuit, the first bridge rectifier and the first filter regulator circuit, described the first reduction voltage circuit is comprised of the first decompression capacitor and the first bleeder resistance, described the first bridge rectifier is comprised of four rectifier diodes, and described the first filter regulator circuit is comprised of an electrolytic capacitor, the second bleeder resistance and a voltage stabilizing didoe.
Preferably, described driving power is connected with AC power, described driving power comprises that the second reduction voltage circuit, the second bridge rectifier, filter capacitor and the LED that are electrically connected successively drive chip, and described filter capacitor is in parallel with the output of described the second bridge rectifier.
Preferably, arrange described the first LED chip and described the second LED chip space.
The LED light source assembly of adjustable color temperature of the present utility model is by driving power, block switch unit and LED light source form, LED light source is comprised of LED chip group-the first LED chip group and the second LED chip group of two groups of different-colours, driving power be used for driving the first LED chip group and the second LED chip group luminous, the first LED chip that the first LED chip group is 3000K by several color temperature values is composed in series, the second LED chip that the second LED chip group is 6000K by several color temperature values is composed in series, the quantity of the first LED chip is identical with the quantity of the second LED chip, the first LED chip group is independent when luminous, sending color temperature value is the warm light of 3000K, the second LED chip group is independent when luminous, sends the white light that color temperature value is 6000K, when the first LED chip group and the second LED chip group are simultaneously luminous, the warm white that the colour temperature that energy colour mixture draws is 4500K.
The first control output end of block switch unit is connected in the first light source loop, the second control output end of block switch unit is connected in secondary light source loop, block switch unit is for carrying out segmentation control to LED light source, control the first LED chip group and send separately the warm light of 3000K color temperature value, or control the white light that the second LED chip group is sent separately 6000K color temperature value, or it is simultaneously luminous to control the first LED chip group and the second LED chip group, through colour mixture, send the warm white of 4500K color temperature value.The light of different-colour value can bring user different impressions, and user can carry out choice for use in the light of 3000K, 4500K, these three kinds of different-colour values of 6000K, can build different atmosphere, gives the different impression of people.
Block switch unit is connected with AC power, block switch unit comprises mains switch, with the AC-DC power circuit of mains switch electrical connection, being TC2608 with the model of the output electrical connection of AC-DC power circuit, segmentation is controlled IC and is subject to segmentation to control the first relay and the second relay that IC controls, the first output electrical connection of IC is controlled in the coil-end of the first relay and segmentation, the tip side of the first relay is the first control output end of block switch unit, be connected in the first light source loop, for controlling the switching in the first light source loop; The second output electrical connection of IC is controlled in the coil-end of the second relay and segmentation, and the tip side of the second relay is the second control output end of block switch unit, is connected in secondary light source loop, for controlling the switching in secondary light source loop.
For the first time during closed electrical source switch, be communicated with external ac power source, AC power is exported constant DC power supply through AC-DC power circuit, for IC power supply is controlled in segmentation, now, segmentation is controlled IC and is entered initialization state, control the first output output low level, control the second output output high level, the coil circuit of the first relay is connected, the coil circuit of the second relay disconnects, thereby make the tip side adhesive of the first relay, the tip side of the second relay disconnects, thereby connect the first light source loop, disconnect secondary light source loop, make the first LED chip group luminous separately, now, LED light source sends the warm light that color temperature value is 3000K, then disconnecting power switch in 2 seconds for the second time during closed electrical source switch, segmentation is controlled IC and is controlled the first output output high level, control the second output output low level, thereby the first relay is disconnected, the coil circuit of the second relay is switched on, make the tip side adhesive of the second relay, the tip side of the first relay disconnects, thereby secondary light source loop is connected, the first light source loop disconnects, the second LED chip group is luminous separately, and now, LED light source sends the white light that color temperature value is 6000K, then disconnecting power switch in 2 seconds for the third time during closed electrical source switch again, segmentation is controlled IC and is controlled the first output and the equal output low level of the second output, the coil circuit of the first relay and the second relay is connected, thereby the equal adhesive of the tip side of the first relay and the second relay, the first light source loop and secondary light source loop are all connected, the first LED chip group and the second LED chip group are simultaneously luminous, and now, LED light source sends the warm white that color temperature value is 4500K.The colour temperature adjustment operation of LED light source is simple, user-friendly.
Wherein, mains switch is common contact switch, the same with normal domestic use switch, thereby mains switch can replace with normal domestic use switch, LED light source assembly can directly be connected with the switch of normal domestic use, can control by the switch of normal domestic use, be beneficial to the utility model LED light source assembly and come into ordinary citizen house.
Accompanying drawing explanation
Fig. 1 is the circuit block diagram of LED light source assembly in the embodiment of LED light source assembly of the utility model adjustable color temperature;
Fig. 2 is the circuit diagram of LED light source assembly in the embodiment of LED light source assembly of the utility model adjustable color temperature.
The realization of the utility model object, functional characteristics and advantage, in connection with embodiment, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
See figures.1.and.2, one embodiment of the LED light source assembly of adjustable color temperature of the present utility model is proposed, the LED light source assembly of this adjustable color temperature is comprised of driving power 10, block switch unit 20 and LED light source 30, the input of driving power 10 is connected with 220V AC power, the output of driving power 10 and LED light source 30 are electrically connected, driving power 10 is LED light source 30 power supplies for 220V AC power being converted to the DC power supply of voltage stabilization, and driving LED light source 30 is luminous.LED light source 30 is comprised of LED chip group-the first LED chip group 31 and the second LED chip group 32 of two groups of different-colours, the output of driving power 10 and the first LED chip group 31 are electrically connected, form the first light source loop, the output of driving power 10 and the second LED chip group 32 are electrically connected, form secondary light source loop, the first LED chip group 31 is in parallel with the second LED chip group 32, and driving power 10 is for driving the first LED chip group 31 and the second LED chip group 32 luminous.The first LED chip LED1 that the first LED chip group 31 is 3000K by several color temperature values is composed in series, the second LED chip LED2 that the second LED chip group 32 is 6000K by several color temperature values is composed in series, the quantity of the first LED chip LED1 is identical with the quantity of the second LED chip LED2, the first LED chip group 31 is independent when luminous, and sending color temperature value is the warm light of 3000K; The second LED chip group 32 is independent when luminous, sends the white light that color temperature value is 6000K; When the first LED chip group 31 and the second LED chip group 32 are simultaneously luminous, by colour mixture, send the warm white that colour temperature is 4500K.
The first control output end of block switch unit 20 is connected in the first light source loop, the second control output end of block switch unit 20 is connected in secondary light source loop, block switch unit 20 is for carrying out segmentation control to LED light source 30, can control the first LED chip group 31 and send separately the warm light of 3000K color temperature value, or control the white light that the second LED chip group 32 is sent separately 6000K color temperature value, or control the first LED chip group 31 and the second LED chip group 32 is simultaneously luminous, send the warm white of 4500K color temperature value.The light of different-colour value can bring user different impressions, the LED light source assembly of this adjustable color temperature can carry out choice for use for user in the light of 3000K, 4500K, these three kinds of different-colour values of 6000K, the light of different-colour value can be built different atmosphere, gives the different impression of people.
Arrange the first LED chip LED1 and the second LED chip LED2 space, and when so arrangement can make the first LED chip LED1 and the second LED chip LED2 while luminous, light fully mixes, and sends uniform light.
This driving power 10 comprises that the second reduction voltage circuit, the second bridge rectifier, filter capacitor and the LED that are electrically connected successively drive chip 11, the second reduction voltage circuits to be comprised of dropping resistor R1, for the High Level AC Voltage of input is carried out to step-down.The second bridge rectifier is comprised of four diode D1, D2, D3, D4, and filter capacitor C1 is in parallel with the output of the second bridge rectifier.High-voltage ac power is through dropping resistor R1 step-down, again through the second bridge rectifier and filter capacitor C1 rectifying and wave-filtering output dc voltage, and then drive the constant voltage of chip 11 output through LED, the first LED chip group 31 and the second LED chip group 32 are worked under constant voltage and current drives, realize even, stable luminous of LED light source 30.
The input of block switch unit 20 is connected with 220V AC power, block switch unit 20 comprises mains switch K0, AC-DC power circuit with mains switch K0 electrical connection, control IC and be subject to segmentation to control the first relay K 1 and the second relay K 2 that IC controls with the segmentation that the model of the output electrical connection of AC-DC power circuit is TC2608, the first output electrical connection of IC is controlled in the coil-end of the first relay K 1 and segmentation, the tip side K1-1 of the first relay K 1 is the first control output end of block switch unit 20, be connected in the first light source loop, for controlling the logical of the first light source loop, disconnected, the second output electrical connection of IC is controlled in the coil-end of the second relay K 2 and segmentation, the tip side K2-1 of the second relay K 2 is the second control output end of block switch unit 20, be connected in secondary light source loop, for controlling the switching in secondary light source loop.
Mains switch K0 is contact switch, and for controlling the power supply switching of block switch unit 20, when mains switch K0 disconnects, whole circuit and power supply disconnect.AC-DC power circuit is comprised of the first reduction voltage circuit, the first bridge rectifier and the first filter regulator circuit.The first reduction voltage circuit is comprised of the first decompression capacitor C3 and the first bleeder resistance R12, the first decompression capacitor C3 is polypropylene capactive, for the 220V High Level AC Voltage of input is carried out to step-down, the first bleeder resistance R12 is connected in parallel on the two ends of the first decompression capacitor C3, for the first decompression capacitor C3 provides the path of releasing, so that after the first decompression capacitor C3 quits work, the electric energy of its two ends storage of releasing.The input of the first bridge rectifier is connected with the output of the first reduction voltage circuit, and the first bridge rectifier is comprised of four rectifier diode D7, D8, D9 and D10, for the direct voltage that is unidirectional pulsation by AC voltage conversion.The first filter regulator circuit is comprised of an electrolytic capacitor C4, the second bleeder resistance R13 and a voltage stabilizing didoe D11, this electrolytic capacitor C4 is connected with the output of the first bridge rectifier, alternating component for the unidirectional pulsating dc voltage after filtering rectification, makes it to become level and smooth direct voltage; The second bleeder resistance R13 is connected in parallel on the two ends of electrolytic capacitor C4, is used to electrolytic capacitor C4 that the path of releasing is provided.This voltage stabilizing didoe D11 is connected with the output of this first bridge rectifier, for voltage stabilizing.When mains switch K0 is closed, the 220V High Level AC Voltage of input is exported to the first bridge rectifier after the first reduction voltage circuit step-down, by the first bridge rectifier, carry out rectification, export the direct voltage of unidirectional pulsation, then after electrolytic capacitor C4 and voltage stabilizing didoe D11 filtering, voltage stabilizing, for TC2608 segmentation, control the direct voltage of IC output smoothing.
TC2608 segmentation is controlled IC and is comprised 8 pins, is called: power cathode pin 1, the first output pin 2, the second output pin 8, the 3rd output pin 7, reset terminal pin 3, input end of clock pin 4, positive source pin 5 and model selection pin 6 by pin function.Block switch unit 20 also comprises and the peripheral circuit of IC collocation is controlled in segmentation, and this peripheral circuit comprises three resistance R 14, R15, R16, diode D12 and three capacitor C5, C6, C7.
Resistance R 14 is current-limiting resistances, and the output of the first bridge rectifier connects voltage stabilizing didoe D11, diode D12 and resistance R 16 through resistance R 14.The positive source pin 5 of diode D12 connection TC2608 segmentation control IC and capacitor C5, capacitor C6, resistance R 15, for step-down current limliting.The other end of resistance R 16 is connected with the input end of clock pin 4 that IC is controlled in TC2608 segmentation, for providing high level to input end of clock pin 4.The power output end negative pole that this input end of clock pin 4 connects capacitor C7 and is connected to AC-DC power circuit through capacitor C7, capacitor C7 is for anti-tampering.Power cathode pin 1, reset terminal pin 3, model selection pin 6, the 3rd output pin 7 that IC is controlled in TC2608 segmentation are all connected with the other end of capacitor C5, capacitor C6, resistance R 15, capacitor C5 and capacitor C6 strobe, resistance R 15 is bleeder resistance, is used to capacitor C5 and capacitor C6 that electric energy leakage path is provided.
The first output pin 2 electrical connections of IC are controlled in the coil-end of the first relay K 1 and TC2608 segmentation, and the second output pin 8 electrical connections of IC are controlled in the coil-end of the second relay K 2 and TC2608 segmentation.One of the coil two ends of the first relay K 1 parallel connected in reverse phase, can form with the first relay K 1 the diode D13 of short time continuous current circuit, one of the coil two ends of the second relay K 2 parallel connected in reverse phase, can form the diode D14 of short time continuous current circuit with the second relay K 2, diode D13 and diode D14 can adopt switching diode, rectifier diode or fast recovery diode.Diode D13 and diode D14 are all used for protecting TC2608 segmentation to control IC itself, in the first relay K 1, from adhesive, become moment of release, the coil of the first relay K 1 will form the continuous current circuit of short time by diode D13, make the not mutagenesis of electric current in this coil, thereby avoided the generation of back electromotive force in this coil, guaranteed the safety of TC2608 segmentation control IC; In the second relay K 2, from adhesive, become moment of release, the coil of the second relay K 2 will form the continuous current circuit of short time by diode D14, make the not mutagenesis of electric current in this coil, thereby avoided the generation of back electromotive force in this coil, guarantee the safety of TC2608 segmentation control IC.
For the first time during closed electrical source switch K0, be communicated with external ac power source, AC power is exported constant DC power supply through AC-DC power circuit, for IC power supply is controlled in segmentation, now, segmentation is controlled IC and is entered initialization state, control the first output output low level, control the second output output high level, the coil circuit of the first relay K 1 is connected, the coil circuit of the second relay K 2 disconnects, thereby make the tip side K1-1 adhesive of the first relay K 1, the tip side K2-1 of the second relay K 2 disconnects, thereby connect the first light source loop, disconnect secondary light source loop, make the first LED chip group 31 luminous separately, now, LED light source 30 sends the warm light that color temperature value is 3000K, then disconnecting power switch K0 in 2 seconds for the second time during closed electrical source switch K0, segmentation is controlled IC and is controlled the first output output high level, control the second output output low level, thereby the first relay K 1 is disconnected, the coil circuit of the second relay K 2 is switched on, make the tip side K2-1 adhesive of the second relay K 2, the tip side K1-1 of the first relay K 1 disconnects, thereby secondary light source loop is connected, the first light source loop disconnects, the second LED chip group 32 is luminous separately, and now, LED light source 30 sends the white light that color temperature value is 6000K, then disconnecting power switch K0 in 2 seconds for the third time during closed electrical source switch K0 again, segmentation is controlled IC and is controlled the first output and the equal output low level of the second output, the coil circuit of the first relay K 1 and the second relay K 2 is connected, thereby the equal adhesive of tip side K1-1, K2-1 of the first relay K 1 and the second relay K 2, the first light source loop and secondary light source loop are all connected, the first LED chip group 31 and the second LED chip group 32 are simultaneously luminous, now, LED light source 30 sends the warm white that color temperature value is 4500K.The colour temperature adjustment operation of LED light source 30 is simple, user-friendly.
Wherein, mains switch K0 is common contact switch, the same with normal domestic use switch, thereby mains switch K0 can replace with normal domestic use switch, LED light source assembly can directly be connected with the switch of normal domestic use, can control by the switch of normal domestic use, be beneficial to the utility model LED light source assembly and come into ordinary citizen house.
The foregoing is only preferred embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure transformation that utilizes the utility model specification and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (5)
1. the LED light source assembly of an adjustable color temperature, comprise LED light source and driving power, it is characterized in that, described LED light source is comprised of LED chip group-the first LED chip group and the second LED chip group of two groups of different-colours, the first LED chip that described the first LED chip group is 3000K by several color temperature values is composed in series, the second LED chip that described the second LED chip group is 6000K by several color temperature values is composed in series, the quantity of described the first LED chip is identical with the quantity of described the second LED chip, the output of described driving power and described the first LED chip group are electrically connected, form the first light source loop, the output of described driving power and described the second LED chip group are electrically connected, form secondary light source loop, described LED light source assembly also comprises block switch unit, the first control output end of described block switch unit is connected in described the first light source loop, the second control output end of described block switch unit is connected in described secondary light source loop, described in described block switch unit controls, the first LED chip group is sent separately the light of the first color temperature value, or control the light that described the second LED chip group is sent separately the second color temperature value, or control described the first LED chip group and described the second LED chip group is simultaneously luminous, through colour mixture, send the light of the 3rd color temperature value.
2. the LED light source assembly of adjustable color temperature according to claim 1, it is characterized in that, described block switch unit is connected with AC power, described block switch unit comprises mains switch, AC-DC power circuit with described mains switch electrical connection, control IC and be subject to described segmentation to control the first relay and the second relay that IC controls with the segmentation that the model of the output electrical connection of described AC-DC power circuit is TC2608, the first output electrical connection of IC is controlled in the coil-end of described the first relay and described segmentation, the tip side of described the first relay is the first control output end of described block switch unit, the second output electrical connection of IC is controlled in the coil-end of described the second relay and described segmentation, and the tip side of described the second relay is the second control output end of described block switch unit.
3. the LED light source assembly of adjustable color temperature according to claim 2, it is characterized in that, described AC-DC power circuit is comprised of the first reduction voltage circuit, the first bridge rectifier and the first filter regulator circuit, described the first reduction voltage circuit is comprised of the first decompression capacitor and the first bleeder resistance, described the first bridge rectifier is comprised of four rectifier diodes, and described the first filter regulator circuit is comprised of an electrolytic capacitor, the second bleeder resistance and a voltage stabilizing didoe.
4. the LED light source assembly of adjustable color temperature according to claim 1, it is characterized in that, described driving power is connected with AC power, described driving power comprises that the second reduction voltage circuit, the second bridge rectifier, filter capacitor and the LED that are electrically connected successively drive chip, and described filter capacitor is in parallel with the output of described the second bridge rectifier.
5. the LED light source assembly of adjustable color temperature according to claim 1, is characterized in that, arrange described the first LED chip and described the second LED chip space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201320589919.XU CN203467037U (en) | 2013-09-24 | 2013-09-24 | LED light source module with adjustable color temperature |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320589919.XU CN203467037U (en) | 2013-09-24 | 2013-09-24 | LED light source module with adjustable color temperature |
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| CN203467037U true CN203467037U (en) | 2014-03-05 |
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| CN201320589919.XU Expired - Fee Related CN203467037U (en) | 2013-09-24 | 2013-09-24 | LED light source module with adjustable color temperature |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103471027A (en) * | 2013-09-25 | 2013-12-25 | 黄诵卫 | Adjustable-color-temperature LED (Light Emitting Diode) light source module |
| CN105805690A (en) * | 2016-05-09 | 2016-07-27 | 东莞市类行星照明科技有限公司 | Lamp tube capable of adjusting color temperature |
| CN109099326A (en) * | 2018-09-20 | 2018-12-28 | 横店集团得邦照明股份有限公司 | A kind of spectrum stage by stage promotes the LED light and its implementation of plant growth |
-
2013
- 2013-09-24 CN CN201320589919.XU patent/CN203467037U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103471027A (en) * | 2013-09-25 | 2013-12-25 | 黄诵卫 | Adjustable-color-temperature LED (Light Emitting Diode) light source module |
| CN105805690A (en) * | 2016-05-09 | 2016-07-27 | 东莞市类行星照明科技有限公司 | Lamp tube capable of adjusting color temperature |
| CN109099326A (en) * | 2018-09-20 | 2018-12-28 | 横店集团得邦照明股份有限公司 | A kind of spectrum stage by stage promotes the LED light and its implementation of plant growth |
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