CN206963144U - It is switched fast colour temperature LED information display system - Google Patents
It is switched fast colour temperature LED information display system Download PDFInfo
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- CN206963144U CN206963144U CN201720735592.0U CN201720735592U CN206963144U CN 206963144 U CN206963144 U CN 206963144U CN 201720735592 U CN201720735592 U CN 201720735592U CN 206963144 U CN206963144 U CN 206963144U
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- colour temperature
- lamp bead
- temperature lamp
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- 239000011324 bead Substances 0.000 claims abstract description 148
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 16
- 239000004411 aluminium Substances 0.000 claims abstract description 16
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
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Abstract
The utility model discloses one kind and is switched fast colour temperature LED information display system, including dual-colored LED lamp bar, driving power and light adjusting controller, and dual-colored LED lamp bar includes the aluminium base and the first colour temperature lamp bead group and the second colour temperature lamp bead group of strip；Driving power has the first DC output end and the second DC output end electrically connected respectively with the first colour temperature lamp bead group and the second colour temperature lamp bead group；Light adjusting controller is connected with driving power, and it, which has, is used to send light modulation button of the different colour temperature Regulate signals to driving power respectively, so that driving power controls the brightness ratio of the first colour temperature lamp bead group and the second colour temperature lamp bead group according to colour temperature Regulate signal.The utility model controls the brightness ratio of the first LED lamp bead group and the second LED lamp bead group by the light adjusting controller with multiple light modulation buttons, so as to change the mixed light component that the first LED lamp bead group and the second LED lamp bead group are formed, and then the photochromic colour temperature that multiple LED light bars are formed quickly is adjusted, reach the purpose of quick regulation light source color temperature.
Description
Technical field
LED light source technical field is the utility model is related to, more particularly to one kind is switched fast colour temperature LED information display system.
Background technology
LED light source is widely used because it has many advantages, such as small volume, low in energy consumption, luminous efficiency is high, long lifespan
In various different fields, mainly there are illumination and display screen etc..Light-source system only has single used by existing LED illumination device
The LED light source of individual fixed colour temperature, it is impossible to be adjusted according to the demand of user, it is impossible to realize the regulation of light source color temperature, it is difficult to suitable
Mixed colours using needs of the family for varying environment.
Utility model content
The purpose of this utility model is solve deficiency of the prior art at least to some extent, there is provided one kind is quickly cut
Colour changing temperature LED information display system.
To achieve the above object, it is provided by the utility model to be switched fast colour temperature LED information display system, including：
Dual-colored LED lamp bar, the dual-colored LED lamp bar include the aluminium base of strip and are arranged on the aluminium base
First colour temperature lamp bead group and the second colour temperature lamp bead group；
Driving power, the driving power have the first DC output end for being electrically connected with the first colour temperature lamp bead group with
And the second DC output end electrically connected with the second colour temperature lamp bead group；
Light adjusting controller, the light adjusting controller are connected with the driving power, and it has multiple light modulation buttons, described more
Individual light modulation button is used to send different colour temperature Regulate signals respectively to the driving power, so that the driving power is according to institute
State the brightness ratio that colour temperature Regulate signal controls the first colour temperature lamp bead group and the second colour temperature lamp bead group.
Preferably, the driving power includes：
Ac-dc converter circuit, its input are electrically connected with city, are available for dual-colored LED lamp bar to make alternating current to be converted to
Constant dc；
First constant-current drive circuit, its input are connected with the output end of the ac-dc converter circuit, and output end is institute
The first DC output end is stated, it is electrically connected with the first colour temperature lamp bead group, to export the first direct current to first color
Warm lamp bead group, and the size of first direct current is controlled to control first color temperature lamp according to the colour temperature Regulate signal
The brightness of pearl group；
Second constant-current drive circuit, its input are connected with the output end of the ac-dc converter circuit, and output end is institute
The second DC output end is stated, it is electrically connected with the second colour temperature lamp bead group, to export the second direct current to second color
Warm lamp bead group, and the size of second direct current is controlled to control second color temperature lamp according to the colour temperature Regulate signal
The brightness of pearl group.
Preferably, the first colour temperature lamp bead group includes multiple the first colour temperature lamp beads being serially connected, second colour temperature
Lamp bead group includes multiple the second colour temperature lamp beads being serially connected.
Preferably, the quantity of the first colour temperature lamp bead is identical with the quantity of the second colour temperature lamp bead.
Preferably, the length direction along the aluminium base of the first colour temperature lamp bead group and the second colour temperature lamp bead group side by side
It is arranged at intervals.
Preferably, multiple first colour temperature lamp beads with multiple second colour temperature lamp beads into two rows with alternate intervals arrangement mode
It is arranged on the aluminium base.
Preferably, the first colour temperature lamp bead is yellow warm light lamp bead, and the second colour temperature lamp bead is candoluminescence lamp bead.
Preferably, the dual-colored LED lamp bar can be multiple, the first colour temperature lamp bead group of multiple dual-colored LED lamp bars
In parallel is connected with first constant-current drive circuit, the second colour temperature lamp bead group of multiple dual-colored LED lamp bars it is in parallel with
Second constant-current drive circuit is connected.
Technical solutions of the utility model control first LED by the light adjusting controller with multiple light modulation buttons
The brightness ratio of pearl group and the second LED lamp bead group, so as to change the mixing that the first LED lamp bead group and the second LED lamp bead group are formed
Light component, and then the photochromic colour temperature that multiple LED light bars are formed quickly is adjusted, reach the mesh of quick regulation light source color temperature
's.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to the structure shown in these accompanying drawings.
Fig. 1 is the structural representation that the utility model is switched fast colour temperature LED information display system；
Fig. 2 is the embodiment schematic diagram that the utility model is switched fast dual-colored LED lamp bar in colour temperature LED information display system；
Fig. 3 is another embodiment schematic diagram that the utility model is switched fast dual-colored LED lamp bar in colour temperature LED information display system；
Fig. 4 is the structural representation that the utility model is switched fast driving power in colour temperature LED information display system.
Realization, functional characteristics and the advantage of the utility model purpose will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is the element of same or like function.Below by ginseng
The embodiment for examining accompanying drawing description is exemplary, it is intended to for explaining the utility model, and it is not intended that to the utility model
Limitation, based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " suitable
The orientation or position relationship of the instruction such as hour hands ", " counterclockwise " " axial direction ", " circumference ", " radial direction " are based on orientation shown in the drawings
Or position relationship, be for only for ease of description the utility model and simplify and describe, rather than instruction or imply signified device or
Element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limit of the present utility model
System.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include one or more this feature.In description of the present utility model, " multiple " are meant that two or two
More than, unless otherwise specifically defined.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. term should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning in the utility model.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or it
" under " can directly be contacted including the first and second features, it is not directly to contact but lead to that can also include the first and second features
The other characterisation contact crossed between them.Moreover, fisrt feature second feature " on ", " top " and " above " include the
One feature is directly over second feature and oblique upper, or is merely representative of fisrt feature level height and is higher than second feature.First is special
Sign second feature " under ", " lower section " and " below " including fisrt feature immediately below second feature and obliquely downward, or only
Represent that fisrt feature level height is less than second feature.
That the utility model embodiment is described in detail with reference to the accompanying drawings is switched fast colour temperature LED information display system.
As shown in Figures 1 to 4, colour temperature LED information display system, including at least a pair of are switched fast according to the utility model embodiment
Color LED light bar 10, driving power 30 and light adjusting controller 20.
Wherein, the dual-colored LED lamp bar 10 includes the aluminium base 11 of strip and is arranged on the aluminium base 11
First colour temperature lamp bead group 12 and the second colour temperature lamp bead group 13, the first colour temperature lamp bead group 12 include the more of connection in series-parallel mixing connection
Individual first colour temperature lamp bead 121, the second colour temperature lamp bead group 13 include multiple second colour temperature lamp beads of connection in series-parallel mixing connection
131；The driving power 30 have the first DC output end for being electrically connected with the first colour temperature lamp bead group 12 and with it is described
Second DC output end of the second colour temperature lamp bead group 13 electrical connection；The light adjusting controller 20 is connected with the driving power 30,
It has multiple light modulation buttons 21, and the multiple light modulation button 21 is used to send different colour temperature Regulate signals respectively to the drive
Dynamic power supply 30, so that the driving power 30 controls the first colour temperature lamp bead group 12 and second according to the colour temperature Regulate signal
The brightness ratio of colour temperature lamp bead group 13, so as to change the mixed light that the first colour temperature lamp bead group 12 and the second colour temperature lamp bead group 13 are formed
Component, reach the purpose of the colour temperature of quick regulation dual-colored LED lamp bar 10.
Dual-colored LED lamp bar 10, driving power 30 and light adjusting controller 20 in the present embodiment are being electrically connected with each other
Body, installation settings can be carried out according to being actually needed, the scope of application is flexible and changeable.
As preferred embodiment of the present utility model, as shown in figure 4, the driving power 30 includes ac-dc converter circuit
31st, the first constant-current drive circuit 32 and the second constant-current drive circuit 33.
Wherein, the input of the ac-dc converter circuit 31 is electrically connected with city, to alternating current is converted to be available for it is double
The constant dc that color LED light bar 10 uses.Ac-dc converter circuit 31 is prior art known in the art, general bag
EMI protection circuits, prime current rectifying and wave filtering circuit, high frequency conversion circuit, transformer and rear class current rectifying etc. are included, its is specific
Structure and working principle is known to those skilled in the art, no further details to be given herein.
The input of first constant-current drive circuit 32 is connected with the output end of the ac-dc converter circuit 31, and output end is
First DC output end, it is electrically connected with the first colour temperature lamp bead group 12, to export the first direct current to described
Color temperature lamp bead group 12, and the size of first direct current is controlled to control described first according to the colour temperature Regulate signal
The brightness of colour temperature lamp bead group 12.
The input of second constant-current drive circuit 33 is connected with the output end of the ac-dc converter circuit 31, and output end is
Second DC output end, it is electrically connected with the second colour temperature lamp bead group 13, to export the second direct current to described
Two colour temperature lamp bead groups 13, and the size of second direct current is controlled to control described second according to the colour temperature Regulate signal
The brightness of colour temperature lamp bead group 13.
Colour temperature LED information display system is switched fast according to the present embodiment, multiple light modulation buttons 21 of light adjusting controller 20 are corresponding not
Same colour temperature Regulate signal, the first constant-current drive circuit 32 and second is respectively sent to including two-way per color temperature Regulate signal
The two-way voltage pulse drive signal of constant-current drive circuit 33, the virtual value of the voltage pulse drive signal is bigger, corresponding control
The first colour temperature lamp bead group 12 or the second colour temperature lamp bead group 13 brightness it is higher, so as to by switching different colour temperature Regulate signals
So that the mixed color of two groups of lamp beads and brightness produce change, reach the purpose of colour temperature regulation.It is preferred that light adjusting controller 20
Include five light modulation buttons 21, that is to say, that can realize that five the quick of gear colour temperature cut by this five light modulation buttons 21
Change, such as can be switched fast between colour temperature 1500K, 3000K, 4500K, 6000K, 7000K, certainly, according to actual need
Also the colour temperature dimmed corresponding to button 21 can be set to other colour temperatures.
In one embodiment of the present utility model, as shown in Figures 2 and 3, two in the first colour temperature lamp bead group 12
Individual or more than two first colour temperature lamp beads 121 and be series connection between being unified into first in parallel group, multiple first in parallel groups；Described
Two or more second colour temperature lamp beads 131 in two colour temperature lamp bead groups 13 are simultaneously unified into second in parallel group, and multiple second simultaneously
It is series connection between connection group；So ensure that each first colour temperature lamp bead 121 electric current is roughly the same and the second colour temperature lamp bead 131
Electric current it is roughly the same, make the brightness of each first colour temperature lamp bead 121 consistent, the brightness of each second colour temperature lamp bead 131 is consistent, so as to
Make mixed photochromic uniform colorless poor.
Certainly, the connection in series-parallel mixing connecting mode in multiple first colour temperature lamp beads 121 and multiple second colour temperature lamp beads
Outside 131 connection in series-parallel mixing connecting mode, also first can be connected into using two or more first colour temperature lamp beads 121
Series connection group, it is in parallel between multiple first series connection groups；Two or more second colour temperature lamp beads 131 are connected into the second series connection
Group, it is in parallel between multiple second series connection groups.This connecting mode is roughly the same with the effect of above-mentioned connecting mode, no longer superfluous herein
State.
The first colour temperature lamp bead group 12 includes multiple the first colour temperature lamp beads 121 being serially connected, second color temperature lamp
Pearl group 13 includes multiple the second colour temperature lamp beads 131 being serially connected, and the quantity and described second of the first colour temperature lamp bead 121
The quantity of colour temperature lamp bead 131 is identical.In this way, can make the first colour temperature lamp bead group 12 and that the second colour temperature lamp bead group 13 is sent is photochromic mixed
Colour temperature obtained by after conjunction is uniform, does not produce aberration.
As the preferred embodiment of the present embodiment, as shown in Fig. 2 the first colour temperature lamp bead group 12 and second of the present embodiment
The length direction along the aluminium base 11 of colour temperature lamp bead group 13 side by side is arranged at intervals.That is, multiple first colour temperature lamp beads
121 along aluminium base 11 spaced arrangement form the first colour temperature lamp bead group 12 of length direction, multiple second colour temperature lamp beads 131
The second colour temperature lamp bead group 13, and the first colour temperature lamp bead group 12 and second are arranged in along the length direction of aluminium base 11 is spaced
Colour temperature lamp bead group 13 is relatively parallel；In this way, can make the first colour temperature lamp bead group 12 and the second colour temperature lamp bead group 13 is sent photochromic melts
Close better, obtained light source color temperature is more uniform.
As another implementation of the present embodiment, as shown in figure 3, multiple first colour temperature lamp beads 121 and multiple second
Colour temperature lamp bead 131 is arranged on the aluminium base 11 into two rows with alternate intervals arrangement mode.That is, two on aluminium base 11
Any two is respectively a first colour temperature lamp bead 121 and a second colour temperature lamp bead 131 in the colour temperature lamp bead of row, in this way, can
Make the photochromic syncretizing effect that the first colour temperature lamp bead group 12 and the second colour temperature lamp bead group 13 are sent more preferably, obtained light source color temperature is more
Uniformly.
Further, the first colour temperature lamp bead 121 is yellow warm light lamp bead, and the second colour temperature lamp bead 131 is candoluminescence
Lamp bead.When needing standard color temperature, selecting wherein to correspond to two-way voltage pulse drive signal by light adjusting controller 20 has phase
With the light modulation button 21 of dutycycle, make the first colour temperature lamp bead group 12 and the second colour temperature lamp bead group 13 because brightness is identical, so as to institute's shape
Into light source be standard color temperature light；When needing cool colour temperature, wherein the second colour temperature lamp bead is selected by light adjusting controller 20
131 voltage pulse drive signal dutycycle is more than the light modulation button 21 of the voltage pulse drive signal of the first colour temperature lamp bead 121,
Make the candoluminescence brightness of the second colour temperature lamp bead group 13 increase, the yellow warm light brightness of the first colour temperature lamp bead group 12 is reduced, so as to institute's shape
Into light source color temperature it is colder；Similarly, when needing warm colour temperature, wherein the first colour temperature lamp bead 121 is selected by light adjusting controller 20
Voltage pulse drive signal dutycycle be more than the second colour temperature lamp bead 131 voltage pulse drive signal light modulation button 21, make
The yellow warm light brightness increase of first colour temperature lamp bead group 12, the candoluminescence brightness of the second colour temperature lamp bead group 13 is reduced, so as to be formed
Light source color temperature it is partially warm.
In some embodiments of the utility model, the dual-colored LED lamp bar 10 can be it is multiple, it is multiple described double-colored
The first colour temperature lamp bead group 12 of LED light bar 10 is in parallel to be connected with first constant-current drive circuit 32, multiple dual-colored LEDs
The second colour temperature lamp bead group 13 of lamp bar 10 is in parallel to be connected with second constant-current drive circuit 33.An in this way, driving power
30 can be powered for multiple dual-colored LED lamp bars 10 simultaneously, and can adjust all first in multiple dual-colored LED lamp bars 10 simultaneously
The colour temperature change of colour temperature lamp bead group 12 and the colour temperature change of all second colour temperature lamp bead groups 13, so that of the present utility model fast
The application more light of speed switching colour temperature LED information display system.
Preferred embodiment of the present utility model is the foregoing is only, not thereby limits the scope of the claims of the present utility model,
Every equivalent structure change under inventive concept of the present utility model, made using the utility model specification and accompanying drawing content
Change, or directly/be used in other related technical areas indirectly and be included in scope of patent protection of the present utility model.
Claims (8)
1. one kind is switched fast colour temperature LED information display system, it is characterised in that including：
Dual-colored LED lamp bar, the dual-colored LED lamp bar include the aluminium base of strip and be arranged on the aluminium base first
Colour temperature lamp bead group and the second colour temperature lamp bead group, the first colour temperature lamp bead group include multiple first colour temperatures of connection in series-parallel mixing connection
Lamp bead, the second colour temperature lamp bead group include multiple second colour temperature lamp beads of connection in series-parallel mixing connection；
Driving power, the driving power have the first DC output end for being electrically connected with the first colour temperature lamp bead group and with
Second DC output end of the second colour temperature lamp bead group electrical connection；
Light adjusting controller, the light adjusting controller are connected with the driving power, and it has multiple light modulation buttons, the multiple tune
Light button is used to send different colour temperature Regulate signals respectively to the driving power, so that the driving power is according to the color
Warm Regulate signal controls the brightness ratio of the first colour temperature lamp bead group and the second colour temperature lamp bead group.
2. it is switched fast colour temperature LED information display system as claimed in claim 1, it is characterised in that the driving power includes：
Ac-dc converter circuit, its input are electrically connected with city, are available for what dual-colored LED lamp bar used alternating current to be converted to
Constant dc；
First constant-current drive circuit, its input are connected with the output end of the ac-dc converter circuit, and output end is described the
One DC output end, it is electrically connected with the first colour temperature lamp bead group, to export the first direct current to first color temperature lamp
Pearl group, and the size of first direct current is controlled to control the first colour temperature lamp bead group according to the colour temperature Regulate signal
Brightness；
Second constant-current drive circuit, its input are connected with the output end of the ac-dc converter circuit, and output end is described the
Two DC output ends, it is electrically connected with the second colour temperature lamp bead group, to export the second direct current to second color temperature lamp
Pearl group, and the size of second direct current is controlled to control the second colour temperature lamp bead group according to the colour temperature Regulate signal
Brightness.
3. it is switched fast colour temperature LED information display system as claimed in claim 2, it is characterised in that in the first colour temperature lamp bead group
Two or more first colour temperature lamp bead parallel connections are series connection between multiple first in parallel groups into first in parallel group；Described
Two or more second colour temperature lamp bead parallel connections in two colour temperature lamp bead groups into second in parallel group, multiple second groups in parallel
Between for series connection；
Or,
Two or more first color temperature lamp bead strings in the first colour temperature lamp bead group are unified into the first series connection group, Duo Ge
It is in parallel between one series connection group；Two or more second color temperature lamp bead strings in the second colour temperature lamp bead group are unified into
Two series connection groups, it is in parallel between multiple second series connection groups.
4. it is switched fast colour temperature LED information display system as claimed in claim 3, it is characterised in that the quantity of the first colour temperature lamp bead
It is identical with the quantity of the second colour temperature lamp bead.
5. it is switched fast colour temperature LED information display system as claimed in claim 4, it is characterised in that the first colour temperature lamp bead group and
The length direction along the aluminium base of two colour temperature lamp bead groups side by side is arranged at intervals.
6. be switched fast colour temperature LED information display system as claimed in claim 4, it is characterised in that multiple first colour temperature lamp beads and
Multiple second colour temperature lamp beads are arranged on the aluminium base into two rows with alternate intervals arrangement mode.
7. it is switched fast colour temperature LED information display system as described in claim 3-6 is any, it is characterised in that the first colour temperature lamp bead
For yellow warm light lamp bead, the second colour temperature lamp bead is candoluminescence lamp bead.
8. it is switched fast colour temperature LED information display system as claimed in claim 7, it is characterised in that the dual-colored LED lamp bar can be more
Individual, the first colour temperature lamp bead group of multiple dual-colored LED lamp bars is in parallel to be connected with first constant-current drive circuit, Duo Gesuo
State being connected with second constant-current drive circuit for the second colour temperature lamp bead group parallel connection of dual-colored LED lamp bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720735592.0U CN206963144U (en) | 2017-06-22 | 2017-06-22 | It is switched fast colour temperature LED information display system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720735592.0U CN206963144U (en) | 2017-06-22 | 2017-06-22 | It is switched fast colour temperature LED information display system |
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| Publication Number | Publication Date |
|---|---|
| CN206963144U true CN206963144U (en) | 2018-02-02 |
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ID=61385982
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720735592.0U Expired - Fee Related CN206963144U (en) | 2017-06-22 | 2017-06-22 | It is switched fast colour temperature LED information display system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108601159A (en) * | 2018-06-27 | 2018-09-28 | 中山市鑫辉电子有限公司 | A kind of touch control and the block switch of pulse output modulation LED operations |
| CN109143119A (en) * | 2018-10-22 | 2019-01-04 | 陈广焕 | A kind of LED light bar detection device and detection method |
| CN113934054A (en) * | 2021-10-26 | 2022-01-14 | 嘉视(山东)电子科技有限公司 | Display with regional dimming function, dimming method and backlight module |
-
2017
- 2017-06-22 CN CN201720735592.0U patent/CN206963144U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108601159A (en) * | 2018-06-27 | 2018-09-28 | 中山市鑫辉电子有限公司 | A kind of touch control and the block switch of pulse output modulation LED operations |
| CN109143119A (en) * | 2018-10-22 | 2019-01-04 | 陈广焕 | A kind of LED light bar detection device and detection method |
| CN109143119B (en) * | 2018-10-22 | 2020-11-06 | 浙江顶亚工贸有限公司 | LED light bar detection device and detection method |
| CN113934054A (en) * | 2021-10-26 | 2022-01-14 | 嘉视(山东)电子科技有限公司 | Display with regional dimming function, dimming method and backlight module |
| CN113934054B (en) * | 2021-10-26 | 2022-05-17 | 嘉视(山东)电子科技有限公司 | Display with regional dimming function, dimming method and backlight module |
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