CN106885166A - For the novel modularized light source of lamp box - Google Patents
For the novel modularized light source of lamp box Download PDFInfo
- Publication number
- CN106885166A CN106885166A CN201510935358.8A CN201510935358A CN106885166A CN 106885166 A CN106885166 A CN 106885166A CN 201510935358 A CN201510935358 A CN 201510935358A CN 106885166 A CN106885166 A CN 106885166A
- Authority
- CN
- China
- Prior art keywords
- light source
- led chip
- led
- chipset
- power module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/06—Arrangement of electric circuit elements in or on lighting devices the elements being coupling devices, e.g. connectors
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The present invention relates to lighting lamphouse technical field, specifically related to a kind of novel modularized light source for lamp box, including some LED light source bars being arranged side by side, the LED light source bar includes substrate and some settings LED chip on the substrate, LED chip on each substrate is divided at least two groups, each group of LED chip is conductively connected with a power module, and each power module is conductively connected with external power source respectively.In the such scheme of the application, each LED light source bar includes at least two groups LED chips, each group LED chip connects power module respectively, so that, the LED chip of the different groups on same LED light source bar can be individually controlled, when needing light source offer to be illuminated compared with decreased light, one of which or several groups of LED chips can suitably be closed, and then enable that light source provides weaker light and illuminates, in this way, realizing the regulation of the application light source illumination intensity.
Description
Technical field
The present invention relates to lighting lamphouse technical field, and in particular to a kind of novel modularized light source for lamp box.
Background technology
In large-scale all kinds of markets, bus platform, subway station, or even some small-sized StoreFronts, commodity are introduced and publicized often through the mode for setting advertising lamp box.
Current lamp box structure, it mainly includes protecgulum, casing, and the light source assembly being arranged in casing closes power supply module etc., in the weaker place of ambient light, lighted by its internal light source assembly, illuminate advertisement picture, so that advertisement picture is eye-catching, it is easy to come into the picture, and then reach good propaganda objective；Meanwhile, illuminating road is yet played, facilitate the effect of passerby and vehicle.
Casing is typically to constitute the cavity of closing with protecgulum, light source assembly is encapsulated in cavity, in actual use, light source assembly is in running order for a long time, particularly in underground or indoor environment, light source assembly lies substantially in the illumination condition not powered off, so, for correspondence lamp box structure, light source assembly is easy failed part.
In current lamp box, it illuminates, and intensity is unadjustable, and user can not carry out the regulation of brightness according to actually used situation, or ambient conditions, reduce the scope of application of lamp box.
On the other hand, when light source assembly breaks down, wait it is to be repaired during, lamp box can not all provide any illumination, so causing during lamp box damage is to be repaired, great inconvenience to be brought to pedestrian or vehicle, and in maintenance process, also the illumination of other lighting apparatus provided auxiliaries is also needed to, the maintenance of light source assembly can be carried out, so also causing maintenance and inconvenience.
So, needing one kind badly at present can either adjust brightness of illumination, and later period maintenance cost can be facilitated again and the lamp box structure of maintenance difficulty is reduced.
The content of the invention
It is an object of the invention to：Have that illumination intensity is unadjustable for current lamp box structure, the inconvenient problem of later period maintenance, there is provided one kind can either adjust brightness of illumination can facilitate later period maintenance cost and reduce the modularized light source of maintenance difficulty again.
A kind of novel modularized light source for lamp box, including some LED light source bars being arranged side by side, the LED light source bar includes substrate and some settings LED chip on the substrate, LED chip on each substrate is divided at least two groups, each group of LED chip is conductively connected with a power module, and each power module is conductively connected with external power source respectively.
In the such scheme of the application, the modularized light source of the application includes some LED light source bars being arranged side by side, facilitate the installation of light source, especially for bulky lamp box structure, also facilitate the carrying of light source, light source is set to some LED light source bars, each LED light source bar corresponds to different power modules respectively, allow that each LED light source bar independently lights, it is ensured that the reliability of light source；Each LED light source bar includes at least two groups LED chips, each group LED chip connects power module respectively, so that, the LED chip of the different groups on same LED light source bar can be individually controlled, when needing lamp box offer to be illuminated compared with high light line, each group LED chip is enabled together, while luminous, there is provided stronger illuminating ray；And when needing light source offer to be illuminated compared with decreased light, one of which or several groups of LED chips can be suitably closed, and then enable that light source provides weaker light and illuminates, in this way, realizing the regulation of the application light source illumination intensity；On the other hand, when one of LED light source bar or LED chip group break down, remaining LED light source bar or LED chip group still can provide illumination output with impregnable, so, on the one hand cause, during lamp box etc. is to be repaired, lamp box can still provide illumination, and in maintenance process, illuminating ray can also be provided, convenient maintenance, so not only causes that lamp box has reliability higher, and also reduce the maintenance difficulty and maintenance cost in later stage.
Preferably, on same LED light source bar, the corresponding LED chip quantity of each group LED chip is identical.
In the such scheme of the application, the corresponding LED chip quantity of each group of LED chip is identical, it is ensured that each group LED chip intensity of illumination is identical, is easy to the control to light source illumination intensity.
As it is another preferably, on same LED light source bar, the corresponding LED chip quantity of each group LED chip is different.
In the such scheme of the application, the corresponding LED chip quantity of each group LED chip is different, and then cause that the intensity of illumination of each group LED chip is also differed, so, by the different opening and closing to each group LED chip, allow that the light source of the application provides various different illumination intensities, the further controllability for increasing the application light-source brightness.
Preferably, the LED chip set on the substrate is divided into the first chipset and the second chipset.
Preferably, the first chipset of each LED light source bar is conductively connected with same power module；Second chipset of each LED light source bar is conductively connected with same power module.
In the such scheme of the application, the LED chip set on substrate is divided into the first chipset and the second chipset, each first chipset is conductively connected with same power module, and each second chipset is conductively connected with same power module, so facilitates the regulation of the application light-source brightness.
Preferably, the corresponding LED chip of first chipset and the corresponding LED chip of the second chipset linear arrangement respectively, first chipset is arranged in parallel with second chipset.
In the such scheme of the application, the first chipset is arranged in parallel with second chipset so that each LED chip arrangement is uniform, it is ensured that the light that the application light source sends has good uniformity, and then ensures the good illuminating effect of lamp box；And also facilitate the making of the application light source.
As it is another preferably, the corresponding LED chip of first chipset and the corresponding LED chip arrangement of the second chipset on the same line, the corresponding LED chip of the first chipset spaced arrangement of LED chip corresponding with the second chipset.
In the such scheme of the application, the corresponding LED chip of the first chipset spaced arrangement of LED chip corresponding with the second chipset, when one of which LED chip is closed, the light that another group of LED chip sends also has preferable uniformity, so also ensure that the illuminating effect of lamp box, on the other hand, it is also due to the corresponding LED chip of the first chipset spaced arrangement of LED chip corresponding with the second chipset, when one of which LED chip is closed, being spaced apart of another group of LED chip has larger distance, so, when only one of which LED chip works, the light source of the application also has preferable radiating effect.
Preferably, being also associated with controlling the switching device of external power source and power module conducting between the power module and external power source.
Preferably, the spacing between adjacent two rows LED chip is identical.
In the such scheme of the application, the spacing between adjacent two rows LED chip is identical, the further uniformity for ensureing the application light source luminescent.
In sum, by adopting the above-described technical solution, the beneficial effect of the application is：
1st, the modularized light source of the application includes some LED light source bars being arranged side by side, facilitate the installation of light source, especially for bulky lamp box structure, also facilitate the carrying of light source, light source is set to some LED light source bars, each LED light source bar corresponds to different power modules respectively so that each LED light source bar can independently light, it is ensured that the reliability of light source；
2nd, each LED light source bar includes at least two groups LED chips, each group LED chip connects power module respectively, so that, the LED chip of the different groups on same LED light source bar can be individually controlled, when needing lamp box offer to be illuminated compared with high light line, each group LED chip is enabled together, while luminous, there is provided stronger illuminating ray；And when needing light source offer to be illuminated compared with decreased light, one of which or several groups of LED chips can be suitably closed, and then enable that light source provides weaker light and illuminates, in this way, realizing the regulation of the application light source illumination intensity；
3rd, when one of LED light source bar or LED chip group break down, remaining LED light source bar or LED chip group still can provide illumination output with impregnable, in this way, on the one hand cause, during lamp box etc. is to be repaired, lamp box can still provide illumination, and in maintenance process, additionally it is possible to illuminating ray, convenient maintenance are provided, so not only cause that lamp box has reliability higher, and also reduce the maintenance difficulty and maintenance cost in later stage.
Brief description of the drawings
Fig. 1 talks about the structural representation of light source for the module of the application；
Fig. 2 is the structural representation that power module coordinates with LED light source bar；
Fig. 3 is the structural representation of LED light source bar,
Marked in figure：1-LED light source strips, 2- substrates, 3-LED chips, 4- power modules, the chipsets of 5- first, the chipsets of 6- second, 7- switching devices.
Specific embodiment
Below in conjunction with the accompanying drawings, the present invention is described in detail.
In order to make the purpose , technical scheme and advantage of the present invention be clearer, below in conjunction with drawings and Examples, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used to explain the present invention, it is not intended to limit the present invention.
Embodiment 1：As shown in Figure 1,2 and 3,
A kind of novel modularized light source for lamp box, including some LED light source bars 1 being arranged side by side, the LED light source bar 1 includes substrate 2 and some LED chips 3 being arranged on the substrate 2,3 points of LED chip on each substrate 2 is at least two groups, each group of LED chip 3 is conductively connected with a power module 4, and each power module 4 is conductively connected with external power source respectively.
In the such scheme of the present embodiment, the modularized light source of the present embodiment includes some LED light source bars 1 being arranged side by side, facilitate the installation of light source, especially for bulky lamp box structure, also facilitate the carrying of light source, light source is set to some LED light source bars 1, each LED light source bar 1 corresponds to different power modules 4 respectively, allow that each LED light source bar 1 independently lights, it is ensured that the reliability of light source；Each LED light source bar 1 includes at least two groups LED chips 3, each group LED chip 3 connects power module 4 respectively, so that, the LED chip 3 of the different groups on same LED light source bar 1 can be individually controlled, when needing lamp box offer to be illuminated compared with high light line, each group LED chip 3 is enabled together, while luminous, there is provided stronger illuminating ray；And when needing light source offer to be illuminated compared with decreased light, one of which or several groups of LED chips 3 can be suitably closed, and then enable that light source provides weaker light and illuminates, in this way, realizing the regulation of the present embodiment light source illumination intensity；On the other hand, when the 3 groups of failures of one of LED light source bar 1 or LED chip, 3 groups of remaining LED light source bar 1 or LED chip still can provide illumination output with impregnable, so, on the one hand cause, during lamp box etc. is to be repaired, lamp box can still provide illumination, and in maintenance process, illuminating ray can also be provided, convenient maintenance, so not only causes that lamp box has reliability higher, and also reduce the maintenance difficulty and maintenance cost in later stage.
Embodiment 2, as shown in Figure 1,2 and 3,
Novel modularized light source as described in Example 1, on same LED light source bar 1, the corresponding quantity of LED chip 3 of each group LED chip 3 is identical.
In the such scheme of the present embodiment, the corresponding quantity of LED chip 3 of each group of LED chip 3 is identical, it is ensured that the intensity of illumination of each group LED chip 3 is identical, is easy to the control to light source illumination intensity.
Embodiment 3, as shown in Figure 1,2 and 3,
Novel modularized light source as described in Example 1, on same LED light source bar 1, the corresponding quantity of LED chip 3 of each group LED chip 3 is different.
In the such scheme of the present embodiment, the corresponding quantity of LED chip 3 of each group LED chip 3 is different, and then cause that the intensity of illumination of each group LED chip 3 is also differed, so, by the different opening and closing to each group LED chip 3, allow that the light source of the present embodiment provides various different illumination intensities, the further controllability for increasing the present embodiment light-source brightness.
Embodiment 4, as shown in Figure 1,2 and 3,
Novel modularized light source as described in Example 2,3 points of the LED chip set on the substrate 2 is the first chipset 5 and the second chipset 6, and the first chipset 5 and the same power module 4 of each LED light source bar 1 are conductively connected；Second chipset 6 and the same power module 4 of each LED light source bar 1 are conductively connected.
In the such scheme of the present embodiment, 3 points of the LED chip set on substrate 2 is the first chipset 5 and the second chipset 6, each first chipset 5 is conductively connected with same power module 4, each second chipset 6 is conductively connected with same power module 4, so facilitates the regulation of the present embodiment light-source brightness.
Embodiment 5, as shown in Figure 1,2 and 3,
Novel modularized light source as described in Example 4, the corresponding 3 and second 6 corresponding LED chip of chipset of LED chip 3 of first chipset 5 linear arrangement respectively, first chipset 5 is arranged in parallel with second chipset 6.
In the such scheme of the present embodiment, the first chipset 5 is arranged in parallel with second chipset 6 so that each LED chip 3 is arranged uniformly, it is ensured that the light that the present embodiment light source sends has good uniformity, and then ensures the good illuminating effect of lamp box；And also facilitate the making of the present embodiment light source.
In the such scheme of the present embodiment, the corresponding LED chip 3 of first chipset 5 and the spaced arrangement of 6 corresponding LED chip of the second chipset 3, when one of which LED chip 3 is closed, the light that another group of LED chip 3 sends also has preferable uniformity, so also ensure that the illuminating effect of lamp box, on the other hand, the corresponding LED chip 3 of the first chipset 5 is also due to the spaced arrangement of 6 corresponding LED chip of the second chipset 3, when one of which LED chip 3 is closed, being spaced apart of another group of LED chip 3 has larger distance, so, when only one of which LED chip 3 works, the light source of the present embodiment also has preferable radiating effect.
Embodiment 6, as shown in Figure 1,2 and 3,
Novel modularized light source as described in Example 5, is also associated with controlling the switching device 7 of external power source and the conducting of power module 4 between the power module 4 and external power source, the spacing between adjacent two rows LED chip 3 is identical.
In the such scheme of the present embodiment, the spacing between adjacent two rows LED chip 3 is identical, the further uniformity for ensureing the present embodiment light source luminescent.
All any modification, equivalent and improvement made within the spirit and principles in the present invention etc., should be included within the scope of the present invention.
Claims (9)
1. the novel modularized light source of lamp box is used for, it is characterised in that：Including some LED light source bars being arranged side by side, the LED light source bar includes substrate and some settings LED chip on the substrate, LED chip on each substrate is divided at least two groups, each group of LED chip is conductively connected with a power module, and each power module is conductively connected with external power source respectively.
2. novel modularized light source according to claim 1, it is characterised in that：On same LED light source bar, the corresponding LED chip quantity of each group LED chip is identical.
3. novel modularized light source according to claim 1, it is characterised in that：On same LED light source bar, the corresponding LED chip quantity of each group LED chip is different.
4. novel modularized light source according to claim 2, it is characterised in that：The LED chip set on the substrate is divided into the first chipset and the second chipset.
5. novel modularized light source according to claim 4, it is characterised in that：First chipset of each LED light source bar is conductively connected with same power module.
6. novel modularized light source according to claim 5, it is characterised in that：Second chipset of each LED light source bar is conductively connected with same power module.
7. novel modularized light source according to claim 6, it is characterised in that：The corresponding LED chip of first chipset and the corresponding LED chip of the second chipset linear arrangement respectively, first chipset are arranged in parallel with second chipset.
8. the novel modularized light source according to claim 1-7 any one, it is characterised in that：It is also associated with controlling the switching device of external power source and power module conducting between the power module and external power source.
9. novel modularized light source according to claim 8, it is characterised in that：Spacing between adjacent two rows LED chip is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510935358.8A CN106885166A (en) | 2015-12-15 | 2015-12-15 | For the novel modularized light source of lamp box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510935358.8A CN106885166A (en) | 2015-12-15 | 2015-12-15 | For the novel modularized light source of lamp box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106885166A true CN106885166A (en) | 2017-06-23 |
Family
ID=59174484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510935358.8A Pending CN106885166A (en) | 2015-12-15 | 2015-12-15 | For the novel modularized light source of lamp box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106885166A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020133048A1 (en) * | 2018-12-27 | 2020-07-02 | 深圳配天智能技术研究院有限公司 | Robot, and machine vision light source system and light source device thereof |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201322280Y (en) * | 2008-12-22 | 2009-10-07 | 四川新力光源有限公司 | LED brightness-adjusting lighting device |
| CN201368370Y (en) * | 2009-02-17 | 2009-12-23 | 深圳鸿森光电有限公司 | LED (light emitting diode) lamp bar and assembling type LED lamp |
| CN201413612Y (en) * | 2009-06-17 | 2010-02-24 | 吴小刚 | LED display screen |
| CN202152958U (en) * | 2011-06-17 | 2012-02-29 | 上海通冠市政设施科技有限公司 | Lattice distributed light-emitting diode (LED) lamp box |
| CN202274461U (en) * | 2011-09-28 | 2012-06-13 | 黄云建 | LED (Light-Emitting Diode) lamp and circuit thereof |
| CN102748725A (en) * | 2012-01-10 | 2012-10-24 | 上海赢奔晶体科技有限公司 | Light-emitting diode (LED) lamp box provided with constant-current power supply devices |
| CN202957005U (en) * | 2012-12-28 | 2013-05-29 | 许植彬 | Light emitting diode (LED) light box |
| CN103345893A (en) * | 2013-07-29 | 2013-10-09 | 上海嘉塘电子有限公司 | Large-specification light emitting diode (LED) advertising lamp box |
| CN103742807A (en) * | 2014-01-10 | 2014-04-23 | 江门市俊光线路板有限公司 | LED (light-emitting diode) light strip soft board facilitating testing |
| CN103974525A (en) * | 2014-04-28 | 2014-08-06 | 鹤山丽得电子实业有限公司 | Flexible circuit board, flexible LED lamp bar and manufacturing method of flexible LED lamp bar |
| CN203797523U (en) * | 2014-03-31 | 2014-08-27 | 浙江沪乐电气设备制造有限公司 | LED ceiling lamp |
| CN203797501U (en) * | 2014-03-31 | 2014-08-27 | 浙江沪乐电气设备制造有限公司 | Anti-explosion light-emitting diode (LED) ceiling light |
| CN204042794U (en) * | 2014-09-15 | 2014-12-24 | 李伟 | Constant current source LED lamp box lamp bar and ultra-thin light guide board lamp box and showcase and panel light |
| CN204062697U (en) * | 2014-08-27 | 2014-12-31 | 得实光电实业（江门）有限公司 | A kind of simple connection formula plate lamp |
| CN205191314U (en) * | 2015-12-15 | 2016-04-27 | 四川新力光源股份有限公司 | A novel modularization light source for lamp house |
-
2015
- 2015-12-15 CN CN201510935358.8A patent/CN106885166A/en active Pending
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201322280Y (en) * | 2008-12-22 | 2009-10-07 | 四川新力光源有限公司 | LED brightness-adjusting lighting device |
| CN201368370Y (en) * | 2009-02-17 | 2009-12-23 | 深圳鸿森光电有限公司 | LED (light emitting diode) lamp bar and assembling type LED lamp |
| CN201413612Y (en) * | 2009-06-17 | 2010-02-24 | 吴小刚 | LED display screen |
| CN202152958U (en) * | 2011-06-17 | 2012-02-29 | 上海通冠市政设施科技有限公司 | Lattice distributed light-emitting diode (LED) lamp box |
| CN202274461U (en) * | 2011-09-28 | 2012-06-13 | 黄云建 | LED (Light-Emitting Diode) lamp and circuit thereof |
| CN102748725A (en) * | 2012-01-10 | 2012-10-24 | 上海赢奔晶体科技有限公司 | Light-emitting diode (LED) lamp box provided with constant-current power supply devices |
| CN202957005U (en) * | 2012-12-28 | 2013-05-29 | 许植彬 | Light emitting diode (LED) light box |
| CN103345893A (en) * | 2013-07-29 | 2013-10-09 | 上海嘉塘电子有限公司 | Large-specification light emitting diode (LED) advertising lamp box |
| CN103742807A (en) * | 2014-01-10 | 2014-04-23 | 江门市俊光线路板有限公司 | LED (light-emitting diode) light strip soft board facilitating testing |
| CN203797523U (en) * | 2014-03-31 | 2014-08-27 | 浙江沪乐电气设备制造有限公司 | LED ceiling lamp |
| CN203797501U (en) * | 2014-03-31 | 2014-08-27 | 浙江沪乐电气设备制造有限公司 | Anti-explosion light-emitting diode (LED) ceiling light |
| CN103974525A (en) * | 2014-04-28 | 2014-08-06 | 鹤山丽得电子实业有限公司 | Flexible circuit board, flexible LED lamp bar and manufacturing method of flexible LED lamp bar |
| CN204062697U (en) * | 2014-08-27 | 2014-12-31 | 得实光电实业（江门）有限公司 | A kind of simple connection formula plate lamp |
| CN204042794U (en) * | 2014-09-15 | 2014-12-24 | 李伟 | Constant current source LED lamp box lamp bar and ultra-thin light guide board lamp box and showcase and panel light |
| CN205191314U (en) * | 2015-12-15 | 2016-04-27 | 四川新力光源股份有限公司 | A novel modularization light source for lamp house |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020133048A1 (en) * | 2018-12-27 | 2020-07-02 | 深圳配天智能技术研究院有限公司 | Robot, and machine vision light source system and light source device thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201696959U (en) | COB packaging structure for eliminating lighting dark space of LED lamp and LED lamp | |
| CN115004860A (en) | Dynamically adjusted micro LED pixel array | |
| CN102325401B (en) | LED driving device, lamp strip and backlight device | |
| CN106885166A (en) | For the novel modularized light source of lamp box | |
| CN205191314U (en) | A novel modularization light source for lamp house | |
| CN206207081U (en) | Light source module and lighting device | |
| CN203511062U (en) | Blackboard capable of automatically adjusting backlight | |
| CN102750912A (en) | LED backlight dynamic control device and control method thereof | |
| CN106887199A (en) | The adjustable modular lamp box of brightness | |
| CN205194267U (en) | Luminance adjustable modularization lamp house | |
| TWM522441U (en) | Vehicle malfunction warning lamp | |
| CN206272899U (en) | The LED matrix of two-way colour temperature is controlled using single channel pwm circuit | |
| CN106524081A (en) | LED matrix illumination drive and control system | |
| CN203027560U (en) | Brightness adjusting device and intelligent light-emitting system thereof | |
| CN201901065U (en) | Vehicle-mounted flashing alarm lamp | |
| CN206619370U (en) | A kind of municipal energy-saving signboard of band illumination functions | |
| CN103807621B (en) | A kind of Intelligent lamp | |
| CN106887198A (en) | Radiating advertising lamp box | |
| CN108597455B (en) | Threshold value burning device and method and threshold value burning system and method | |
| CN101994942B (en) | LED lamp bulb with multiple light-emitting sides | |
| CN205726552U (en) | A kind of control circuit of the light fixture with multibeam optical system | |
| CN205227066U (en) | Lamp house convenient to light source heat dissipation | |
| CN102069753A (en) | Vehicle-mounted flashing alarm lamp | |
| CN202931613U (en) | Non-linear light modulation LED illuminating lamp | |
| KR102643676B1 (en) | Led driver and vehicle lamp having the same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170623 |
|
| RJ01 | Rejection of invention patent application after publication |