CN208901122U - A kind of LED light of sectional dimming - Google Patents
A kind of LED light of sectional dimming Download PDFInfo
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- CN208901122U CN208901122U CN201821229935.7U CN201821229935U CN208901122U CN 208901122 U CN208901122 U CN 208901122U CN 201821229935 U CN201821229935 U CN 201821229935U CN 208901122 U CN208901122 U CN 208901122U
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Abstract
The utility model discloses a kind of LED light of sectional dimming, it include: lamp body component, the lamp body component includes lampshade, lamp plate component, gland, driving power, lamp body, three sections of lamp caps, the open end of the lampshade is embedded in setting on the lamp body top, and the lamp plate component and the gland are fixed at the inside of the lamp body；The inside of the lamp body is fixedly installed driving power；The lower part of three sections of lamp caps is arranged in the dimming components, the dimming components are connected by the light modulation seat and three sections of lamp caps rotation, the LED light control circuit board is electrically connected by the driving power in the lamp cap and the connector being arranged in the lamp cap and the lamp body component, the LED light control circuit board includes: control chip, bridge rectifier.The utility model structure is simple, and it is manually adjustable that adjusting knob is provided on lamp cap.Light can be adjusted acording to the requirement of user using the LED light of the utility model sectional dimming, it is convenient and practical.
Description
Technical field
The utility model relates to LED lamp field more particularly to a kind of LED light of sectional dimming.
Background technique
LED light have it is energy-efficient, luminance is high, little power consumption, long service life, it is photochromic it is pure, stability is high, safety
By force, the incomparable advantage of many conventional light sources such as environmental protection, be a kind of low-carbon, green, environmental protection lighting source.
Existing LED lamp usually has following two light distributing method: 1, LED lamp bead being welded in heat sink at spacing arrangement
On, heat sink is placed in lamp housing, and Transparent lamp shade is covered on lamp housing；2, several paster LED lamp beads are adhered closely to radiate
On plate, heat sink is placed in lamp housing, and Transparent lamp shade is covered on lamp housing.In first method, since LED lamp bead is arranged at spacing
Column, light are mapped to the external world through Transparent lamp shade, in this way, light emitted by lamps and lanterns is not uniform, in bright, dark alternate
Effect influences illuminating effect.Second method then solves the problems, such as that light is non-uniform in first method, still, paster LED
Lamp bead power is small, needs to be electrically connected with each other in the form of concatenated, in this way, if wherein a lamp bead burn out or open circuit, can lead
All lamp beads are caused all to be unable to normal luminous, moreover, since used lamp bead quantity is more in this method, especially for needing to send out
The big lamps and lanterns of luminous intensity, required lamp interior space is big, manufacturing process is complicated, cost is also high.
Therefore it provides the problem of a kind of LED light that can conveniently realize sectional dimming is the utility model urgent need to resolve.
Utility model content
For the deficiency of the technology, problem to be solved in the utility model, it is simple to provide a kind of structure, easy to use
The LED light of sectional dimming.
To achieve the above object, the utility model is realized by following scheme
A kind of LED light of sectional dimming, comprising:
Lamp body component, the lamp body component include lampshade, lamp plate component, gland, driving power, lamp body, three sections of lamp caps,
In:
The lampshade be it is hemispherical, the open end of the lampshade be embedded in be arranged on the lamp body top；
The lower part of the lamp body is equipped with three sections of lamp caps, and the lamp body is fixedly connected with three sections of lamp caps；
The lamp plate component includes lamp plate and multiple lamp beads for being fixed on the lamp plate, and the lamp plate component is fixed
The upper surface of described gland is set, and the lamp plate component and the gland are fixed at the inside of the lamp body；
If the inside of the lamp body is fixedly installed the driving power；
Dimming components, the dimming components include light modulation seat, light-control knob and LED light control circuit board, the light modulation group
The lower part of three sections of lamp caps is arranged in part, and the dimming components are connected by the light modulation seat and three sections of lamp caps rotation.
Preferably, the LED light control circuit board is fixed in the light modulation seat.
Preferably, multiple lamp beads and the driving power are electrically connected.
Preferably, the one side wall of the light modulation seat is equipped with a circular hole, and the light-control knob passes through the circular hole and the LED
Lamp control circuit plate is flexibly connected.
Preferably, the LED light control circuit board passes through the lamp cap and the connector being arranged in the lamp cap and institute
The driving power stated in lamp body component is electrically connected.
Preferably, LED light control circuit board includes:
Chip is controlled, the control chip is equipped with the first pin, second pin, third pin；4th pin, the 5th draw
Foot, the 6th pin, the 8th pin；
Bridge rectifier, the bridge rectifier include: the first bridge rectifier and the second bridge rectifier,
The first end of the first end and second end of first bridge rectifier and second bridge rectifier and
Second end is separately connected lamp cap；
The third end of first bridge rectifier connects after connecting with the third end of second bridge rectifier
To ground terminal；
4th end of first bridge rectifier passes through after connecting with the 4th end of second bridge rectifier
One inductance is connect with the 8th pin of the control chip；
The grid of first metal-oxide-semiconductor, first metal-oxide-semiconductor is connected by the 6th pin of first resistor and the control chip
It connects；
The drain electrode of second metal-oxide-semiconductor, second metal-oxide-semiconductor is connect by second resistance with the source electrode of first metal-oxide-semiconductor；
The drain electrode of third metal-oxide-semiconductor, the third metal-oxide-semiconductor is connect by 3rd resistor with the source electrode of first metal-oxide-semiconductor；
The drain electrode of 4th metal-oxide-semiconductor, the 4th metal-oxide-semiconductor is connect by the 4th resistance with the source electrode of first metal-oxide-semiconductor；
Second metal-oxide-semiconductor, the third metal-oxide-semiconductor, the 4th metal-oxide-semiconductor sources connected in parallel after pass through the 5th resistance and institute
State the 4th pin connection of control chip；
The grid of 5th metal-oxide-semiconductor, the 5th metal-oxide-semiconductor is connect by six resistance with ground terminal, the leakage of the 5th metal-oxide-semiconductor
Pole is connect with LED light, and the source electrode of the 5th metal-oxide-semiconductor is connected to ground terminal；
The grid of 6th metal-oxide-semiconductor, the 6th metal-oxide-semiconductor is connected by the source electrode of a zener diode and the 6th metal-oxide-semiconductor
It connects, the drain electrode of the 6th metal-oxide-semiconductor is connect with LED light, and the source electrode of the 6th metal-oxide-semiconductor is connected to ground terminal.
Preferably, LED light control circuit board further include:
First triode, the base stage of first triode and a first diode Opposite direction connection, first triode
Emitter connect with the base stage of first triode by one the 7th resistance, the collector of first triode and ground connection
End connection；
Second triode, the base stage of second triode and one second diode Opposite direction connection, second triode
Emitter connect with the base stage of second triode by one the 8th resistance, the collector of second triode and ground connection
End connection；
Third transistor, the collector of the third transistor are connected to the of the control chip by one the 9th resistance
The emitter of one pin, the third transistor is connect by 1 the tenth resistance with the control chip third pin；
The base stage of 4th triode, the 4th triode is concatenated with the base stage of the third transistor, the quadrupole
The emitter of pipe is connect by a thirteenth resistor with the second pin of the control chip, the collector of the 4th triode
It is connect with the 5th pin of control chip.
Preferably, the LED light control circuit board further include:
First foot of the first photoelectrical coupler, first photoelectrical coupler is connected to ground connection by an eleventh resistor
End, the crus secunda of first photoelectrical coupler are connected to ground terminal, and the third foot of first photoelectrical coupler passes through described
First diode is connect with the base stage of the first triode, and the 4th foot of first photoelectrical coupler is connected to operating voltage end.
First foot of the second photoelectrical coupler, second photoelectrical coupler passes through a twelfth resistor and the 5th metal-oxide-semiconductor
Grid connection, the crus secunda of second photoelectrical coupler is connected to ground terminal, the third foot of second photoelectrical coupler
It is connect by the second diode with the base stage of the second triode, the 4th foot of second photoelectrical coupler and operating voltage end connect
It connects.
Preferably, the LED light control circuit board a further include: charging capacitor, the charging capacitor and 1 the 14th electricity
Resistance is in parallel, and one end of the charging capacitor is connect with ground terminal, and the other end is connect with the LED light.
The utility model has the advantage of
The utility model structure is simple, easy to use, and the utility model uses three sections of lamp caps, and tune is provided on lamp cap
It is manually adjustable to save knob, light can be adjusted acording to the requirement of user, it is convenient and practical.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is a kind of explosive view of the LED light embodiment of sectional dimming of the utility model；
Fig. 2 is a kind of circuit diagram of the LED light embodiment of sectional dimming of the utility model.
Appended drawing reference indicates explanation in description above:
1, lampshade；2, lamp plate component；3, gland；4, driving power；5, lamp body；6, three sections of lamp caps；7, seat is dimmed；8, it dims
Knob；
L1, inductance；Q1, the first metal-oxide-semiconductor；Q2, the second metal-oxide-semiconductor；Q3, third metal-oxide-semiconductor；Q4, the 4th metal-oxide-semiconductor；Q5, the 5th
Metal-oxide-semiconductor；Q6, the 6th metal-oxide-semiconductor；IC1, control chip；M1, the first triode；M2, the second triode；M3, the second triode；M4,
Second triode；
ZD1, zener diode；C1, charging capacitor；U1, the first photoelectrical coupler；U2, the second photoelectrical coupler；R1,
One resistance；R2, second resistance；R3,3rd resistor；R4, the 4th resistance；R5, the 5th resistance；R6, the 6th resistance；R7, the 7th electricity
Resistance；R8, the 8th resistance；R9, the 9th resistance；
R10, the tenth resistance；R11, eleventh resistor；R12, twelfth resistor；R13, thirteenth resistor；R14, the 14th
Resistance.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are in the premise for not making creative work
Under every other embodiment obtained, fall within the protection scope of the utility model.
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
The utility model is described in further detail in the following with reference to the drawings and specific embodiments, but not as the utility model
It limits.
As shown in Figs. 1-2, in the utility model preferred embodiment, according to problem of the existing technology, one is now provided
The LED light of kind sectional dimming, comprising:
Lamp body component, lamp body component include lampshade 1,5, three sections of lamp plate component 2, gland 3, driving power 4, lamp body lamp caps 6,
Wherein:
Lampshade 1 be it is hemispherical, the open end of lampshade 1 is embedded in the top that lamp body 5 is arranged in；
The lower part of lamp body 5 is equipped with three sections of lamp caps 6, and lamp body 5 is fixedly connected with three sections of lamp caps 6；
Lamp plate component 2 includes lamp plate and the multiple lamp beads being fixed on lamp plate, and lamp plate component 2 is fixed at gland
The upper surface of 3, lamp plate component 2 and gland 3 are fixed at the inside of lamp body 5；
The inside of lamp body 5 is fixedly installed driving power 4；
Dimming components, dimming components include light modulation seat 7, light-control knob 8 and LED light control circuit board, dimming components setting
In the lower part of three sections of lamp caps 6, dimming components are connected by light modulation seat 7 and three sections of rotations of lamp cap 6.
In the utility model preferred embodiment, LED light control circuit board is fixed in light modulation seat 7.
In the utility model preferred embodiment, multiple lamp beads and driving power 4 are electrically connected.
In the utility model preferred embodiment, the one side wall of light modulation seat 7 is equipped with a circular hole, and light-control knob 8 passes through circular hole
It is flexibly connected with LED light control circuit board.
In the utility model preferred embodiment, LED light control circuit board passes through lamp cap and the connection being arranged in lamp cap
Driving power 4 in part and lamp body component is electrically connected.
In the utility model preferred embodiment, LED light control circuit board includes:
Chip is controlled, control chip is equipped with the first pin, second pin, third pin；4th pin, the 5th pin,
Six pins, the 8th pin；
Bridge rectifier, bridge rectifier include: the first bridge rectifier and the second bridge rectifier,
The first end and second end of first bridge rectifier and the first end and second end of the second bridge rectifier point
It Lian Jie not lamp cap；
The third end of first bridge rectifier is connected to ground terminal after connecting with the third end of the second bridge rectifier；
4th end of the first bridge rectifier connect with the 4th end of the second bridge rectifier after by an inductance with
Control the 8th pin connection of chip；
The grid of first metal-oxide-semiconductor Q1, the first metal-oxide-semiconductor Q1 is connected by the 6th pin of first resistor R1 and control chip IC 1
It connects；
The drain electrode of second metal-oxide-semiconductor Q2, the second metal-oxide-semiconductor Q2 is connect by second resistance R2 with the source electrode of the first metal-oxide-semiconductor Q1；
The drain electrode of third metal-oxide-semiconductor Q3, third metal-oxide-semiconductor Q3 are connect by 3rd resistor R3 with the source electrode of the first metal-oxide-semiconductor Q1；
The drain electrode of 4th metal-oxide-semiconductor Q4, the 4th metal-oxide-semiconductor Q4 are connect by the 4th resistance Q4 with the source electrode of the first metal-oxide-semiconductor Q1；
Second metal-oxide-semiconductor Q2, third metal-oxide-semiconductor Q3, the 4th metal-oxide-semiconductor Q4 sources connected in parallel after by the 5th resistance R5 and control core
The 4th pin of piece IC1 connects；
The grid of 5th metal-oxide-semiconductor Q5, the 5th metal-oxide-semiconductor Q5 are connect by six resistance R6 with ground terminal, the leakage of the 5th metal-oxide-semiconductor Q5
Pole is connect with LED light, and the source electrode of the 5th metal-oxide-semiconductor Q5 is connected to ground terminal；
The grid of 6th metal-oxide-semiconductor Q6, the 6th metal-oxide-semiconductor Q6 are connected by the source electrode of a zener diode ZD1 and the 6th metal-oxide-semiconductor Q6
It connects, the drain electrode of the 6th metal-oxide-semiconductor Q6 is connect with LED light, and the source electrode of the 6th metal-oxide-semiconductor Q6 is connected to ground terminal.
Specifically, the utility model control chip IC 1 is existing control chip.
In the utility model preferred embodiment, LED light control circuit board further include:
First triode M1, the base stage of the first triode M1 and a first diode D1 Opposite direction connection, the first triode M1
Emitter connect with the base stage of the first triode M1 by the 7th resistance R7, collector and the ground terminal company of the first triode M1
It connects；
Second triode M2, the base stage of the second triode M2 and one second diode D2 Opposite direction connection, the second triode M2
Emitter connect with the base stage of the second triode M2 by one the 8th resistance R8, the collector and ground terminal of the second triode M2
Connection；
The collector of third transistor M3, third transistor M3 are connected to control chip IC 1 by one the 9th resistance R9
The emitter of first pin, third transistor M3 is connect by 1 the tenth resistance R11 with control 1 third pin of chip IC；
The base stage of 4th triode M4, the 4th triode M4 are concatenated with the base stage of third transistor M3, tetrode M4's
Emitter is connect by a thirteenth resistor R13 with the second pin for controlling chip IC 1, the collector of the 4th triode M4 and control
The connection of the 5th pin of coremaking piece IC1.
In the utility model preferred embodiment, LED light control circuit board further include:
The first foot of first photoelectrical coupler U1, the first photoelectrical coupler U1 is connected to by an eleventh resistor R11 to be connect
Ground terminal, the crus secunda of the first photoelectrical coupler U1 are connected to ground terminal, and the third foot of the first photoelectrical coupler U1 passes through the one or two
Pole pipe D1 is connect with the base stage of the first triode M1, and the 4th foot of the first photoelectrical coupler U1 is connected to operating voltage end.
The first foot of second photoelectrical coupler U2, the second photoelectrical coupler U2 passes through a twelfth resistor R12 and the 5th MOS
The grid of pipe Q5 connects, and the crus secunda of the second photoelectrical coupler U2 is connected to ground terminal, the third foot of the second photoelectrical coupler U2
It is connect by the second diode D2 with the base stage of the second triode M2, the 4th foot of the second photoelectrical coupler U2 and operating voltage end
Connection.
In the utility model preferred embodiment, LED light control circuit board further include: a charging capacitor C1, charging capacitor
C1 is in parallel with 1 the 14th resistance R14, and one end of charging capacitor C1 is connect with ground terminal, and the other end is connect with LED light.
The beneficial effects of the utility model are
The utility model structure is simple, easy to use, and the utility model uses three sections of lamp caps, and tune is provided on lamp cap
It is manually adjustable to save knob, light can be adjusted acording to the requirement of user, it is convenient and practical.
The foregoing is merely the utility model preferred embodiment, be not intended to limit the embodiments of the present invention and
Protection scope should can appreciate that all in the utility model specification and diagram to those skilled in the art
Hold made equivalent replacement and obviously change obtained scheme, the protection model of the utility model should all be included in
In enclosing.
Claims (9)
1. a kind of LED light of sectional dimming characterized by comprising
Lamp body component, the lamp body component include lampshade, lamp plate component, gland, driving power, lamp body, three sections of lamp caps, in which:
The lampshade be it is hemispherical, the open end of the lampshade is embedded in the top that the lamp body is arranged in；
The lower part of the lamp body is equipped with three sections of lamp caps, and the lamp body is fixedly connected with three sections of lamp caps；
The lamp plate component includes lamp plate and multiple lamp beads for being fixed on the lamp plate, the lamp plate component fixed setting
In the upper surface of described gland, the lamp plate component and the gland are fixed at the inside of the lamp body；
The driving power is fixed at the inside of the lamp body；
Dimming components, the dimming components include that light modulation seat, light-control knob and LED light control circuit board, the dimming components are set
It sets in the lower part of three sections of lamp caps, the dimming components are connected by the light modulation seat and three sections of lamp caps rotation.
2. a kind of LED light of sectional dimming according to claim 1, which is characterized in that the LED light control circuit board is solid
It is fixed to be arranged in the light modulation seat.
3. a kind of LED light of sectional dimming according to claim 1, which is characterized in that multiple lamp beads and the drive
Dynamic power supply is electrically connected.
4. a kind of LED light of sectional dimming according to claim 1, which is characterized in that the one side wall of the light modulation seat is set
There is a circular hole, the light-control knob passes through the circular hole and is flexibly connected with the LED light control circuit board.
5. a kind of LED light of sectional dimming according to claim 1, which is characterized in that the LED light control circuit board is logical
The driving power crossed in the lamp cap and the connector being arranged in the lamp cap and the lamp body component is electrically connected.
6. a kind of LED light of sectional dimming according to claim 1, which is characterized in that the LED light control circuit board packet
It includes:
Chip is controlled, the control chip is equipped with the first pin, second pin, third pin；4th pin, the 5th pin,
Six pins, the 8th pin；
Bridge rectifier includes: the first bridge rectifier and the second bridge rectifier,
The first end and second of the first end and second end of first bridge rectifier and second bridge rectifier
End is separately connected the lamp cap；
The third end of first bridge rectifier is connected to after connecting with the third end of second bridge rectifier and connects
Ground terminal；
4th end of first bridge rectifier is electric by one after connecting with the 4th end of second bridge rectifier
Feel and being connect with the 8th pin of the control chip；
The grid of first metal-oxide-semiconductor, first metal-oxide-semiconductor is connect by first resistor with the 6th pin of the control chip；
The drain electrode of second metal-oxide-semiconductor, second metal-oxide-semiconductor is connect by second resistance with the source electrode of first metal-oxide-semiconductor；
The drain electrode of third metal-oxide-semiconductor, the third metal-oxide-semiconductor is connect by 3rd resistor with the source electrode of first metal-oxide-semiconductor；
The drain electrode of 4th metal-oxide-semiconductor, the 4th metal-oxide-semiconductor is connect by the 4th resistance with the source electrode of first metal-oxide-semiconductor；
Second metal-oxide-semiconductor, the third metal-oxide-semiconductor, the 4th metal-oxide-semiconductor sources connected in parallel after pass through the 5th resistance and the control
4th pin of coremaking piece connects；
5th metal-oxide-semiconductor, the grid of the 5th metal-oxide-semiconductor are connect by six resistance with ground terminal, the drain electrode of the 5th metal-oxide-semiconductor and
LED light connection, the source electrode of the 5th metal-oxide-semiconductor are connected to ground terminal；
The grid of 6th metal-oxide-semiconductor, the 6th metal-oxide-semiconductor is connect by a zener diode with the source electrode of the 6th metal-oxide-semiconductor, institute
The drain electrode for stating the 6th metal-oxide-semiconductor is connect with LED light, and the source electrode of the 6th metal-oxide-semiconductor is connected to ground terminal.
7. a kind of LED light of sectional dimming according to claim 6, which is characterized in that the LED light control circuit board is also
Include:
First triode, the base stage of first triode and a first diode Opposite direction connection, the hair of first triode
Emitter-base bandgap grading is connect by the 7th resistance with the base stage of first triode, and the collector and ground terminal of first triode connect
It connects；
Second triode, the base stage of second triode and one second diode Opposite direction connection, the hair of second triode
Emitter-base bandgap grading is connect by one the 8th resistance with the base stage of second triode, and the collector and ground terminal of second triode connect
It connects；
Third transistor, the collector of the third transistor are drawn by first that one the 9th resistance is connected to the control chip
The emitter of foot, the third transistor is connect by 1 the tenth resistance with the control chip third pin；
The base stage of 4th triode, the 4th triode is concatenated with the base stage of the third transistor, the 4th triode
Emitter by a thirteenth resistor with it is described control chip second pin connect, the collector of the 4th triode and
The 5th pin of the control chip connection.
8. a kind of LED light of sectional dimming according to claim 7, which is characterized in that the LED light control circuit board is also
Include:
First foot of the first photoelectrical coupler, first photoelectrical coupler is connected to ground terminal by an eleventh resistor, institute
The crus secunda for stating the first photoelectrical coupler is connected to ground terminal, and the third foot of first photoelectrical coupler passes through the described 1st
Pole pipe is connect with the base stage of first triode, and the 4th foot of first photoelectrical coupler is connected to operating voltage end；
Second photoelectrical coupler, the first foot of second photoelectrical coupler pass through the grid of a twelfth resistor and the 5th metal-oxide-semiconductor
Pole connection, the crus secunda of second photoelectrical coupler are connected to ground terminal, and the third foot of second photoelectrical coupler passes through
Second diode is connect with the base stage of second triode, and the 4th foot of second photoelectrical coupler and operating voltage end connect
It connects.
9. a kind of LED light of sectional dimming according to claim 6, which is characterized in that the LED light control circuit board is also
It include: a charging capacitor, the charging capacitor and 1 the 14th resistor coupled in parallel, one end of the charging capacitor and ground terminal connect
It connects, the charging capacitor other end is connect with the LED light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821229935.7U CN208901122U (en) | 2018-08-01 | 2018-08-01 | A kind of LED light of sectional dimming |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821229935.7U CN208901122U (en) | 2018-08-01 | 2018-08-01 | A kind of LED light of sectional dimming |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208901122U true CN208901122U (en) | 2019-05-24 |
Family
ID=66568518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821229935.7U Expired - Fee Related CN208901122U (en) | 2018-08-01 | 2018-08-01 | A kind of LED light of sectional dimming |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208901122U (en) |
-
2018
- 2018-08-01 CN CN201821229935.7U patent/CN208901122U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Room 1534, No. 498 GuoShoujing Road, Pudong Software Park, Pudong New Area, Shanghai, 201203 Patentee after: Kotya lighting (Shanghai) Co.,Ltd. Address before: 201203 Shanghai Guo Shou Jing Road, Zhangjiang High Tech Park of Pudong New Area No. 498 Pudong Software Park Building 1, room 1534 Patentee before: SHANGHAI DANGOO ELECTRONICS Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190524 Termination date: 20210801 |
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| CF01 | Termination of patent right due to non-payment of annual fee |