CN201318587Y - Tricolor LED energy-saving desk lamp - Google Patents

Tricolor LED energy-saving desk lamp Download PDF

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Publication number
CN201318587Y
CN201318587Y CNU2008201787620U CN200820178762U CN201318587Y CN 201318587 Y CN201318587 Y CN 201318587Y CN U2008201787620 U CNU2008201787620 U CN U2008201787620U CN 200820178762 U CN200820178762 U CN 200820178762U CN 201318587 Y CN201318587 Y CN 201318587Y
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CN
China
Prior art keywords
led
drive circuit
indicator lamp
lamp
output end
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Expired - Fee Related
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CNU2008201787620U
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Chinese (zh)
Inventor
李中旺
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SHENZHEN DEPUWEI TECHNOLOGY DEVELOPMENT Co Ltd
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SHENZHEN DEPUWEI TECHNOLOGY DEVELOPMENT Co Ltd
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Priority to CNU2008201787620U priority Critical patent/CN201318587Y/en
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Publication of CN201318587Y publication Critical patent/CN201318587Y/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/40Control techniques providing energy savings, e.g. smart controller or presence detection

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Abstract

The utility model discloses a tricolor LED energy-saving desk lamp and relates to a lighting lamp in daily life. The tricolor LED energy-saving desk lamp comprises a desk lamp main body, a light source body and a circuit unit which drives the light source body. The light source body is an RGB tricolor LED, and the circuit unit is a driving circuit board which drives the RGB tricolor LED. By adopting the RGB tricolor LED, the tricolor LED energy-saving desk lamp can adjust light colors according to different scenes, so as to satisfy the psychological and physiological needs of people. The tricolor LED energy-saving desk lamp not only solves the disadvantages that an incandescent lamp has high heat productivity, more electrical consumption and low lighting efficiency, but also solves the disadvantages that a fluorescent lamp tube has poor color rendering (the light spectrum is discontinuous) and has the stroboscopic effect.

Description

The three-primary color LED energy-saving desk lamp
Technical field
The utility model relates to a kind of daily life lighting, particularly a kind of three-primary color LED energy-saving desk lamp.
Background technology
Desk lamp is the auxiliary lamp of room lighting, and desk lamp is many by with on the bedside cupboard, on the desk, desk.At present, the light source of tradition desk lamp mainly contains two kinds of incandescent lamp (heat radiation light source) and fluorescent tubes (glow discharge spot lamp), wherein, incandescent desk lamp is generally used 40w~60w, and can guarantee has enough illumination on the working face, and fluorescent desk lamp is many with metal cap opaque and can be reflective, surface lacquer, ray can increase the illumination of work, and metal cap should have certain shading angle, so both made the illumination on the working face more even, again the unlikely direct stimulation eyes of the light that fluorescent tube is sent.But there is following shortcoming in the light source of above-mentioned two kinds of desk lamps:
1. the shortcoming of incandescent lamp is that caloric value is big, power consumption, luminous efficiency be lower, and service life is short;
2. the shortcoming of fluorescent tube is relatively poor (spectrum is interrupted), particularly its stroboscopic effect of colour rendering, and it is tired that human eye is produced, therefore, need take appropriate measures to eliminate stroboscopic effect when design, this has just increased the design work amount, has increased design cost accordingly; Exist poisonous mercuryvapour in addition in the fluorescent tube, be unfavorable for environmental protection.
The utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art part, and providing a kind of is the novel energy-conserving desk lamp of light source with the RGB three-primary color LED.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of three-primary color LED energy-saving desk lamp comprises the circuit unit of desk lamp body, light source body and driving light source body, and described light source body is the RGB three-primary color LED, and described circuit unit is for driving the drive circuit board of RGB three-primary color LED.
Preferably, described drive circuit board comprises main control unit and three drive circuits, and three drive circuits are respectively red LED drive circuit, green LED drive circuit, blue led drive circuit; Wherein, main control unit is provided with the control signal input port, be electrically connected with the trigger button on being arranged on the desk lamp body, with three luminous intensity control ports, be red LED luminous intensity control port, green LED luminous intensity control port and blue led luminous intensity control port, be connected with the control end of corresponding red LED drive circuit, green LED drive circuit, blue led drive circuit with it respectively.
Preferably, described drive circuit comprises that a LED drives chip, LED drives chip and has control electric current port and LED access interface, insert a power switch between described control electric current port and the ground, and, control electric current port is connected with the working power of drive circuit board by the 4th resistance, inserts the LED lamp between described LED access interface and the described working power; Described red LED drive circuit, the LED lamp that inserts in described drive circuit is a red LED lamp, the control end of its power switch is connected with red LED luminous intensity control port as the control end of red LED drive circuit; Described green LED drive circuit, the LED lamp that inserts in described drive circuit is a green LED lamp, the control end of its power switch is connected with green LED luminous intensity control port as the control end of green LED drive circuit; Described blue led drive circuit, the LED lamp that inserts in described drive circuit is the blue led lamp, the control end of its power switch is connected with blue led luminous intensity control port as the control end of blue led drive circuit.
Preferably, described trigger button comprises that power switch button, RGB switching button, model selection button, electric current reduce button, and the electric current increasing button; Described control signal input port comprises that power control signal input port, RGB changeover control signal input port, mode control signal input port, electric current reduce the control signal input port, and electric current increases the control signal input port, each port respectively and corresponding with it power switch button, RGB switching button, model selection button, electric current reduce button, and the electric current increasing button is electrically connected.
Preferably, described drive circuit board comprises that RGB selects indicating circuit, comprise red LED indicator lamp, green LED indicator lamp and blue led indicator lamp, described main control unit is provided with red indication control output end mouth, green indication control output end mouth and blue indication control output end mouth, and is electrically connected with red LED indicator lamp, green LED indicator lamp and blue led indicator lamp respectively.
Preferably, described drive circuit board comprises startup and suspends indicating circuit, comprises and suspends indicator lamp and startup indicator lamp; Described main control unit is provided with to suspend and indicates the control output end mouth and start indication control output end mouth, and is electrically connected with described time-out indicator lamp and startup indicator lamp respectively.
Preferably, described time-out indication control output end mouth and the multiplexing port of startup indication control output end mouth suspend indication control output end mouth for starting; Described startup with the circuit connection structure that suspends indicating circuit is: first resistance connect with suspending indicator lamp or start indicator lamp, and is in parallel with second resistance again, connects with startup indicator lamp or time-out indicator lamp and the 3rd resistance successively after the parallel connection; Described startup suspends indication control output end mouth and is electrically connected with the potential point of suspending indicator lamp and start between the indicator lamp.
Preferably, described drive circuit board comprises the model selection indicating circuit, comprises manual mode indicator lamp, fixed mode indicator lamp; Described main control unit is provided with manual mode indication control output end mouth and fixed mode indication control output end mouth, respectively and corresponding with it manual mode indicator lamp, fixed mode indicator lamp be electrically connected.
Preferably, described fixed mode indicator lamp comprises just white indicator lamp and warm white indicator lamp; Described fixed mode indication control output end mouth comprises indicates control output end mouth and the warm white indication of warm white indication control output end mouth just in vain, respectively and corresponding with it just white indicator lamp and warm white indicator lamp be electrically connected.
Preferably, be provided with battery and DC socket in the desk lamp body, described battery is the drive circuit board power supply; Provide working power by described DC socket to battery charge with for drive circuit board.
The utlity model has following advantage:
At first, adopt the RGB three-primary color LED, can be according to different scenes, regulate photochromicly, satisfy people's psychology and physiological requirements; Secondly, adopt constant current to drive, eliminate luminous stroboscopic, energy is vision protection effectively, pre-myopia prevention; Once more, by the mixed white light that the RGB three primary colours are accessed, color rendering properties of light source is good, near natural daylight, make the object more beautiful, true to nature, light is softer, the usefulness of local lighting and amusement such as be suitable for work, read, write; At last, dispose the accumulate battery, can charge repeatedly,, when commercial power supply disconnects, can transfer to by the accumulate powered battery at ordinary times by mains-supplied.
Description of drawings
Fig. 1 is the structural representation of three-primary color LED energy-saving desk lamp described in the utility model;
Fig. 2 is the cutaway view of Fig. 1;
Fig. 3 is the circuit diagram of drive circuit board shown in Figure 2.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
A kind of three-primary color LED energy-saving desk lamp as depicted in figs. 1 and 2, comprises the drive circuit board 30 of desk lamp body 10, RGB three-primary color LED 20 and driving RGB three-primary color LED 20.Wherein, desk lamp body 10 comprises shell 16 and fore shell 11, can connect by a flexible pipe 15 between fore shell 11 and the shell 16.Be connected with desk lamp translucent cover 12 in the port of fore shell 11, in the cavity that desk lamp translucent cover 12 and fore shell 11 are formed desk lamp reflector 13 be installed, the center of desk lamp reflector 13 is equipped with RGB three-primary color LED 20.Radiator 14 can be installed in neighboring at desk lamp reflector 13.Drive circuit board 30 is installed in the inboard of shell 16.
Described drive circuit board 30, as shown in Figure 3, comprise main control unit 31, main control unit 31 is provided with the control signal input port, comprise power control signal input port P3.7, RGB changeover control signal input port P3.4, mode control signal input port P3.5, electric current reduces control signal input port P3.3, and electric current increases control signal input port P3.2, insert the power switch button S5 in the corresponding with it trigger button between above-mentioned port and the ground respectively, RGB switching button S3, model selection button S4, electric current reduces button S2, and electric current increasing button S1.Main control unit 31 receives the various control signals that trigger by trigger button by the control signal input port, with the various states by the programme-control three-primary color LED energy-saving desk lamp that configured in the main control unit 31.
Corresponding with RGB three-primary color LED 20, have three drive circuits on the drive circuit board 30, be respectively red LED drive circuit 32, green LED drive circuit 33 and blue led drive circuit 34.Main control unit 31 is provided with three luminous intensity control ports, is respectively red LED luminous intensity control port P1.0, green LED luminous intensity control port P1.1 and blue led luminous intensity control port P1.2.
Described drive circuit comprises that a LED drives chip, LED drives chip and has control electric current port and LED access interface, can select LED to drive chip CN5611 in the present embodiment, described control electric current port-for-port Is, described LED access interface is port LED.Wherein, insert a power switch between port Is and the ground, can select triode in the present embodiment, the colelctor electrode of triode is connected with port Is, emitter stage is connected with ground, and base stage is connected with the luminous intensity control port by the 5th resistance R 5 as the control end of power switch, in addition, port Is is connected with the working power VCC of drive circuit board by the 4th resistance R 4.Insert LED lamp, pressure limiting diode D2 between described working power VCC and the port LED successively.Wherein, described red LED drive circuit 32, the LED lamp that inserts in above-mentioned drive circuit is red LED lamp L1, the control end of its power switch is connected with red LED luminous intensity control port P1.0 by pull-up resistor R15 as the control end of red LED drive circuit 31, in addition, also be serially connected with pressure limiting resistance D1 between working power VCC and the port LED.Described green LED drive circuit 32, can comprise two drive circuits that connect side by side, and the LED lamp that inserts in two drive circuits is green LED lamp L2, and the control end of two power switch all is connected with green LED luminous intensity control port P1.1 by pull-up resistor R16 as the control end of green LED drive circuit.Described blue led drive circuit 34, the LED lamp that inserts in described drive circuit is blue led lamp L3, and the control end of its power switch is connected with blue led luminous intensity control port P1.2 by pull-up resistor R17 as the control end of blue led drive circuit.
Described drive circuit board 30 comprises that RGB selects indicating circuit 37, comprise red LED indicator lamp L8, green LED indicator lamp L9 and blue led indicator lamp L10, described main control unit is provided with red indication control output end mouth P1.3, green indication control output end mouth P1.4 and blue indication control output end mouth P1.5.Wherein, red LED indicator lamp L8 and blue led indicator lamp L10 all are electrically connected with redness indication control output end mouth P1.3 and blue indication control output end mouth P1.5 respectively by pull-up resistor R14, and green LED indicator lamp L9 is electrically connected with green LED indicator lamp L9 by pull-up resistor R18.
Described drive circuit board 30 can comprise startup and suspend indicating circuit 36, comprises and suspends indicator lamp L11 and startup indicator lamp L12.Described main control unit 31 is provided with to suspend and indicates the control output end mouth and start indication control output end mouth, and is electrically connected with described time-out indicator lamp L11 and startup indicator lamp L12 respectively.Wherein, described time-out indication control output end mouth and start indication control output end mouth can a multiplexing port, be to start to suspend indication control output end mouth P1.6.Start with the circuit connection structure that suspends indicating circuit and be: first resistance R 1 is connected with time-out indicator lamp L11 (perhaps starting indicator lamp), in parallel with second resistance R 2 again, connect with startup indicator lamp L12 (perhaps suspending indicator lamp) and the 3rd resistance R 3 successively after the parallel connection.Described startup suspends indication control output end mouth P1.6 and is electrically connected with the potential point of suspending indicator lamp L11 and start between the indicator lamp L12.
Described drive circuit board 30 can comprise model selection indicating circuit 35, comprise manual mode indicator lamp L5 (can be red LED) and fixed mode indicator lamp, described main control unit 31 is provided with manual mode indication control output end mouth P3.0 and fixed mode indication control output end mouth, wherein fixed mode comprises two kinds of patterns, be respectively positive white mode and warm white mode (red, green, blue of positive white mode is respectively by force, in, a little less than; The red, green, blue of warm white mode is respectively by force, in, weak), so the fixed mode indicator lamp comprises just white indicator lamp L6 (can be green LED) and warms up white indicator lamp L7 (can be blue led).Described fixed mode indication control output end mouth comprises indicates control output end mouth P3.1 and warm white indication control output end mouth P1.7 just in vain.Described manual mode indicator lamp L5, just white indicator lamp L6 and warm white indicator lamp L7 all indicate control output end mouth P3.0, indicate control output end mouth P3.1 and warm white indication control output end mouth P1.7 to be electrically connected just in vain with manual mode respectively by pull-up resistor R10.
In addition, be provided with battery 40 in the shell 16, can be chosen as the lead-acid battery of 4.8V 10AH, shell 16 is provided with DC socket.Can insert direct current to battery 40 chargings with for drive circuit board 30 provides working power by described DC socket, when DC socket inserts direct current, not provide working power for drive circuit board by battery 40.
Three-primary color LED energy-saving desk lamp described in the utility model, as shown in Figure 3, its work characteristics is as follows:
At first, as pushing power switch button S5, when making it be in closure state, trigger a low level by power control signal input port P3.7, indicate high level of control output end mouth P1.6 output to make startup indicator lamp L12 bright by starting to suspend behind main control unit 31 these signals of reception, the prompting custom system starts, can begin other operation, correspondingly, if pushing power switch button S5 once more, when making it be in off-state, trigger a high level by power control signal input port P3.7, indicate low level of control output end mouth P1.6 output to make time-out indicator lamp L11 bright by starting to suspend behind main control unit 31 these signals of reception, the prompting custom system is closed.
After the three-primary color LED energy-saving desk lamp starts, select the pattern of current needs by model selection button S4.Enter manual mode by a pattern selector button S4, this moment, main control unit 31 was bright by manual mode indication control output end mouth P3.0 control manual mode indicator lamp L5, after entering manual mode, S3 enters the RGB state by the RGB switching button, press for the first time RGB switching button S3, main control unit 31 is bright by red indication control output end mouth P1.3 control red LED indicator lamp L8, reduce button S2 or electric current increasing button S1 by electric current this moment, main control unit 31 is by the shutoff and the conducting of the triode of red LED luminous intensity control port P1.0 control red LED drive circuit 32, control flows into the electric current of port Is, and then reconciles the photochromic of red LED lamp L1; In like manner, press RGB switching button S3 for the second time, green LED indicator lamp L9 shows green, and reduce button S2 or electric current increasing button S1 by electric current this moment, and main control unit 31 is reconciled the photochromic of green LED lamp L2 by green LED luminous intensity control port P1.1; Press RGB switching button S3 for the third time, blue led indicator lamp L10 shows green, reduce button S2 or electric current increasing button S1 by electric current this moment, main control unit 31 is reconciled the photochromic of green LED lamp L3 by blue led luminous intensity control port P1.2, realize the conversion of RGB color, it is needed photochromic to regulate current environment, also adjustable photochromic near lamp.When pressing RGB switching button S3 once more, above-mentioned three kinds of states circulate.
If continuously by quadratic modes selector button S4, then enter positive white mode, indicator lamp L6 is bright just in vain by indicating control output end mouth P3.1 control just in vain for main control unit 31, and controls the brightness of red LED lamp L1, green LED lamp L2 and blue led lamp L3 according to the following three kinds of light intensities of predefined positive white mode.If press tertiary mode selector button S4 continuously, then enter warm white mode, main control unit 31 is bright by warming up the warm white indicator lamp L7 of white indication control output end mouth P1.7 control, and controls the brightness of red LED lamp L1, green LED lamp L2 and blue led lamp L3 according to the following three kinds of light intensities of predefined warm white mode.During once more by model selection button S4, above-mentioned three kinds of patterns circulate.
In addition, press power switch button S5 and open the three-primary color LED energy-saving desk lamp, the pattern during unlatching is the mode state when closing desk lamp last time.
Being the utility model preferred embodiment only in sum, is not to be used for limiting practical range of the present utility model.Be that all equivalences of doing according to the content of the utility model claim change and modification, all should belong to technology category of the present utility model.

Claims (10)

1. three-primary color LED energy-saving desk lamp comprises the circuit unit of desk lamp body, light source body and driving light source body, and it is characterized in that: described light source body is the RGB three-primary color LED, and described circuit unit is for driving the drive circuit board of RGB three-primary color LED.
2. three-primary color LED energy-saving desk lamp according to claim 1, it is characterized in that: described drive circuit board comprises main control unit and three drive circuits, and three drive circuits are respectively red LED drive circuit, green LED drive circuit, blue led drive circuit; Wherein, main control unit is provided with the control signal input port, be electrically connected with the trigger button on being arranged on the desk lamp body, with three luminous intensity control ports, be red LED luminous intensity control port, green LED luminous intensity control port and blue led luminous intensity control port, be connected with the control end of corresponding red LED drive circuit, green LED drive circuit, blue led drive circuit with it respectively.
3. three-primary color LED energy-saving desk lamp according to claim 2, it is characterized in that: described drive circuit comprises that a LED drives chip, LED drives chip and has control electric current port and LED access interface, insert a power switch between described control electric current port and the ground, and, control electric current port is connected with the working power of drive circuit board by the 4th resistance, inserts the LED lamp between described LED access interface and the described working power; Described red LED drive circuit, the LED lamp that inserts in described drive circuit is a red LED lamp, the control end of its power switch is connected with red LED luminous intensity control port as the control end of red LED drive circuit; Described green LED drive circuit, the LED lamp that inserts in described drive circuit is a green LED lamp, the control end of its power switch is connected with green LED luminous intensity control port as the control end of green LED drive circuit; Described blue led drive circuit, the LED lamp that inserts in described drive circuit is the blue led lamp, the control end of its power switch is connected with blue led luminous intensity control port as the control end of blue led drive circuit.
4. three-primary color LED energy-saving desk lamp according to claim 2 is characterized in that: described trigger button comprises that power switch button, RGB switching button, model selection button, electric current reduce button, and the electric current increasing button; Described control signal input port comprises that power control signal input port, RGB changeover control signal input port, mode control signal input port, electric current reduce the control signal input port, and electric current increases the control signal input port, each port respectively and corresponding with it power switch button, RGB switching button, model selection button, electric current reduce button, and the electric current increasing button is electrically connected.
5. three-primary color LED energy-saving desk lamp according to claim 4, it is characterized in that: described drive circuit board comprises that RGB selects indicating circuit, comprise red LED indicator lamp, green LED indicator lamp and blue led indicator lamp, described main control unit is provided with red indication control output end mouth, green indication control output end mouth and blue indication control output end mouth, and is electrically connected with red LED indicator lamp, green LED indicator lamp and blue led indicator lamp respectively.
6. three-primary color LED energy-saving desk lamp according to claim 4 is characterized in that: described drive circuit board comprises startup and suspends indicating circuit, comprises and suspends indicator lamp and startup indicator lamp; Described main control unit is provided with to suspend and indicates the control output end mouth and start indication control output end mouth, and is electrically connected with described time-out indicator lamp and startup indicator lamp respectively.
7. three-primary color LED energy-saving desk lamp according to claim 6 is characterized in that: described time-out indication control output end mouth and the multiplexing port of startup indication control output end mouth, suspend indication control output end mouth for starting; Described startup with the circuit connection structure that suspends indicating circuit is: first resistance connect with suspending indicator lamp or start indicator lamp, and is in parallel with second resistance again, connects with startup indicator lamp or time-out indicator lamp and the 3rd resistance successively after the parallel connection; Described startup suspends indication control output end mouth and is electrically connected with the potential point of suspending indicator lamp and start between the indicator lamp.
8. three-primary color LED energy-saving desk lamp according to claim 4 is characterized in that: described drive circuit board comprises the model selection indicating circuit, comprises manual mode indicator lamp, fixed mode indicator lamp; Described main control unit is provided with manual mode indication control output end mouth and fixed mode indication control output end mouth, respectively and corresponding with it manual mode indicator lamp, fixed mode indicator lamp be electrically connected.
9. three-primary color LED energy-saving desk lamp according to claim 8 is characterized in that: described fixed mode indicator lamp comprises just white indicator lamp and warm white indicator lamp; Described fixed mode indication control output end mouth comprises indicates control output end mouth and the warm white indication of warm white indication control output end mouth just in vain, respectively and corresponding with it just white indicator lamp and warm white indicator lamp be electrically connected.
10. according to the described three-primary color LED energy-saving desk lamp of arbitrary claim in the claim 1 to 9, it is characterized in that: be provided with battery and DC socket in the desk lamp body, described battery is the drive circuit board power supply; Provide working power by described DC socket to battery charge with for drive circuit board.
CNU2008201787620U 2008-11-13 2008-11-13 Tricolor LED energy-saving desk lamp Expired - Fee Related CN201318587Y (en)

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Application Number Priority Date Filing Date Title
CNU2008201787620U CN201318587Y (en) 2008-11-13 2008-11-13 Tricolor LED energy-saving desk lamp

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Application Number Priority Date Filing Date Title
CNU2008201787620U CN201318587Y (en) 2008-11-13 2008-11-13 Tricolor LED energy-saving desk lamp

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105371158A (en) * 2015-12-03 2016-03-02 中航航空电子有限公司 Intelligent eye protection table lamp having sitting posture detecting function and sitting posture detecting method
CN107869688A (en) * 2016-09-28 2018-04-03 松下知识产权经营株式会社 Lighting device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105371158A (en) * 2015-12-03 2016-03-02 中航航空电子有限公司 Intelligent eye protection table lamp having sitting posture detecting function and sitting posture detecting method
CN107869688A (en) * 2016-09-28 2018-04-03 松下知识产权经营株式会社 Lighting device
CN107869688B (en) * 2016-09-28 2021-06-15 松下知识产权经营株式会社 Lighting device

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