[go: up one dir, main page]

CN113038656A - Method for realizing multi-gear brightness adjustment of LED signal lamp - Google Patents

Method for realizing multi-gear brightness adjustment of LED signal lamp Download PDF

Info

Publication number
CN113038656A
CN113038656A CN201911248545.3A CN201911248545A CN113038656A CN 113038656 A CN113038656 A CN 113038656A CN 201911248545 A CN201911248545 A CN 201911248545A CN 113038656 A CN113038656 A CN 113038656A
Authority
CN
China
Prior art keywords
led
brightness
voltage
signal lamp
day
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
Application number
CN201911248545.3A
Other languages
Chinese (zh)
Inventor
刘克刚
尚田田
徐永攀
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Aviation Electric Co Ltd
Original Assignee
Shanghai Aviation Electric Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shanghai Aviation Electric Co Ltd filed Critical Shanghai Aviation Electric Co Ltd
Priority to CN201911248545.3A priority Critical patent/CN113038656A/en
Publication of CN113038656A publication Critical patent/CN113038656A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection

Landscapes

  • Circuit Arrangement For Electric Light Sources In General (AREA)

Abstract

本发明专利涉及一种实现LED信号灯多档位亮度调节方法，按照以下步骤进行，包括：直接点亮信号灯LED，获得各电流下对应的亮度、电压指标；根据电压和亮度档位需求，选择合适的信号灯调光模式；根据调光模式，输入电压、电流和亮度，获得所需各元器件数值。本发明的有益效果在于：能根据信号灯亮度指标要求，合理的选择调光模式和元器件参数；解决数据较为离散的难题，大幅减少了反复测试的时间，提高经济上和社会效益。

Figure 201911248545

The patent of the present invention relates to a method for realizing multi-level brightness adjustment of an LED signal light, which is performed according to the following steps, including: directly lighting the signal light LED to obtain the corresponding brightness and voltage indicators under each current; According to the dimming mode, input voltage, current and brightness, obtain the required value of each component. The beneficial effects of the invention are: according to the requirements of the signal lamp brightness index, the dimming mode and component parameters can be reasonably selected;

Figure 201911248545

Description

Method for realizing multi-gear brightness adjustment of LED signal lamp
Technical Field
The invention relates to a brightness adjusting method, in particular to a method for realizing multi-gear brightness adjustment of an LED signal lamp.
Technical Field
With the more and more complex operation of a human-computer interface in a cockpit, the mental workload of a pilot is larger and larger, and the brightness and the light color of the lighting environment influence the psychology and the physiology of the pilot, so that the optical property of the cockpit device design must be enabled to be capable of meeting the requirements of the pilot, and the requirements of different functional attributes of the cockpit are met. The existing LED signal lamp products have wide application range and large batch in a cabin, aiming at the individualized brightness control requirements of different machine types and different hosts, the LED signal lamp adopts manual brightness measurement after circuits are manually built in the design process, then the parameters of components are adjusted, and the brightness measurement is carried out on the adjusted circuits again, so that a large amount of repeated work exists in the process, and unnecessary time and cost waste is caused; meanwhile, the same type of LED adopted by the existing signal lamp has a plurality of brightness grades, so that when the signal lamp is manufactured, an adjustable component in the circuit is required to be adjusted according to the brightness difference of the LED.
Disclosure of Invention
The method aims to overcome the problems of repeated testing and the like in the design and production processes of the existing signal lamp products, solve the defects, improve the efficiency in the design and production processes of the LED signal lamp products, and meet the requirements of accuracy, standardization and individuation of brightness adjustment of the LED signal lamp. The invention provides a method for realizing multi-gear brightness adjustment of an LED signal lamp.
In order to achieve the purpose, the method for realizing multi-gear brightness adjustment of the LED signal lamp provided by the invention comprises the following steps of:
step S1: and determining the signal lamp brightness indexes of the LEDs under different voltages and current values corresponding to different brightnesses to form an LED basic database.
Step S2: according to the LED signal lamp voltage and the brightness index requirements, maximum value points and minimum value points in the brightness index range under each voltage are drawn out, and whether the maximum value and the minimum value are distributed on two sides of a certain straight line under the same voltage is analyzed.
Step S3: and according to the signal lamp voltage-brightness index analysis in the step S2, selecting a corresponding signal lamp multi-gear dimming mode circuit, establishing a maximum four-gear voltage regulation mode, and constructing an LED signal lamp matrix characteristic mathematical model.
A: if the signal lamp is in single gear P1Point index requirement, voltage-brightness index is U1—L1. According to the basic database in the above step S1, the current is I1And then:
VD1+VLED+I1×Rday(s)＝U1
Figure BDA0002308374570000021
B：If the signal lamp has two gears P2、P2' Point index requirement, Voltage-luminance index is U2—L2And U2’—L2'. According to the basic database in the above step S1, the current is I2And I2', then:
a) when D is presentGlow bodyAct, RNight、DCrutchWhen the device does not work:
VD1+VLED+Vglow body+I2×RDay(s)＝U2
VD1+VLED’+VGlow body+I2’×RDay(s)＝U2’
Figure BDA0002308374570000022
Figure BDA0002308374570000023
b) When R isNight、DCrutchAct, DGlow bodyWhen the device does not work:
VD1+VLED+I2×Rday(s)+I2×RNight＝U2
VD1+VLED’+I2’×RDay(s)+VCrutch＝U2’
Figure BDA0002308374570000024
Figure BDA0002308374570000025
C: if three gears P3、P3’、P3"Point Voltage Brightness index requirement, Voltage-Brightness index is U3—L3、U3’—L3' and U3”—L3". According to the basic database in the above step S1, the current is I3、I3' and I3", then:
VD1+VLED+I3×Rday(s)+I3×RNight+VGlow body＝U3
VD1+VLED’+I3’×RDay(s)+I3’×RNight+VGlow body＝U3’
VD1+VLED”+I3”×RDay(s)+VGlow body+VCrutch＝U3”
Figure BDA0002308374570000031
Figure BDA0002308374570000032
D: if four gears P4、P4’、P4”、P4"' Voltage Brightness index requirement, Voltage-Brightness index is U4—L4、U4’—L4’、U4”—L4' and U4”’—L4"'. According to the basic database in the above step S1, the current is I4、I4’、I4"and I4"', then:
VD1+VLED+I4×Rday(s)+I4×RNight+VGlow body＝U4
VD1+VLED’+I4’×RDay(s)+I4’×RNight+VGlow body＝U4’
VD1+VLED”+I4”×RDay(s)+VGlow body+VCrutch＝U4”
VD1+VLED”’+I4”’×RDay(s)+VGlow body+VCrutch＝U4”’
Figure BDA0002308374570000033
Figure BDA0002308374570000034
Wherein:
U0representing the LED starting voltage;
Rday(s)And RNightAdjusting the slope of the voltage brightness index of the signal lamp;
VcrutchAdjusting the inflection point voltage of the signal lamp;
Vglow bodyThe starting voltage of the signal lamp is adjusted.
If the maximum and minimum values are distributed on both sides of a line under the same voltage, i.e. the voltage-brightness index P in the range0、P0’、P0”、P0"' on a straight line, can be calculated using the single gear circuit adjustment mode of the above steps.
The invention has the following remarkable effects: the method for realizing the multi-gear brightness adjustment of the LED signal lamp is provided, the accuracy, the standardization and the individuation of the brightness adjustment of the LED signal lamp are realized by selecting a multi-gear brightness adjustment circuit mode according to different voltage-brightness index requirements, the repeated measurement and debugging time in the product design and production process is reduced, the working efficiency is improved, and the economic and social benefits are saved.
In addition to the technical problems addressed by the present invention, the technical features constituting the technical solutions, and the advantageous effects brought by the technical features of the technical solutions described above, other technical problems solved by the present invention, other technical features included in the technical solutions, and advantageous effects brought by the technical features will be described in further detail with reference to the accompanying drawings.
Drawings
Fig. 1 is a circuit diagram of a multi-gear dimming mode of an LED signal lamp according to the present invention.
Fig. 2 is a schematic diagram of a voltage brightness adjustment method for a first gear of an LED signal lamp according to the present invention.
FIG. 3 is a schematic diagram of a method for adjusting the voltage and brightness of two gears of an LED signal lamp according to the present invention.
FIG. 4 is a schematic diagram of a method for adjusting the voltage and brightness of two gears of an LED signal lamp according to the present invention.
FIG. 5 is a schematic diagram of a method for adjusting the voltage and brightness of three gears of an LED signal lamp according to the present invention.
FIG. 6 is a schematic diagram of a method for adjusting the brightness of four-step voltage of an LED signal lamp according to the present invention.
FIG. 7 is a schematic diagram of a method for adjusting the voltage brightness and the slope of the fourth gear of the LED signal lamp according to the present invention.
Detailed Description
The invention is described in detail below with reference to the figures and examples. Here, the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Referring to fig. 1, a method for adjusting brightness of an LED signal lamp in multiple steps is shown. The LED circuit has a diode D1, an LED, a resistor R day, and a resistor R night. The method comprises the following steps of:
step S1: and determining the signal lamp brightness indexes of the LEDs under different voltages and current values corresponding to different brightnesses to form an LED basic database.
Step S2: according to the signal lamp voltage and the brightness index requirement of the LED, maximum value points and minimum value points in the brightness index range under each voltage are drawn out, and whether the maximum value and the minimum value are distributed on two sides of a certain straight line under the same voltage is analyzed.
Step S3: and according to the signal lamp voltage-brightness index analysis in the step S2, selecting a corresponding signal lamp multi-gear dimming mode circuit, establishing a maximum four-gear voltage regulation mode, and constructing an LED signal lamp matrix characteristic mathematical model.
Please refer to fig. 2, if the signal lamp is in single gear P1Point index requirement, voltage-brightness index is U1—L1. According to the basic database in the above step S1, the current is I1And then:
VD1+VLED+I1×Rday(s)＝U1
Figure BDA0002308374570000051
Please refer to fig. 3 and 4, if the signal lamp is in two gears P2、P2' Point index requirement, Voltage-luminance index is U2—L2And U2’—L2'. According to the basic database in the above step S1, the current is I2And I2', then:
a) when D is presentGlow bodyAct, RNight、DCrutchWhen the device does not work:
VD1+VLED+Vglow body+I2×RDay(s)＝U2
VD1+VLED’+VGlow body+I2’×RDay(s)＝U2’
Figure BDA0002308374570000052
Figure BDA0002308374570000053
b) When R isNight、DCrutchAct, DGlow bodyWhen the device does not work:
VD1+VLED+I2×Rday(s)+I2×RNight＝U2
VD1+VLED’+I2’×RDay(s)+VCrutch＝U2’
Figure BDA0002308374570000054
Figure BDA0002308374570000055
Please refer to fig. 5, if three shift positions P are provided3、P3’、P3"Point Voltage Brightness index requirement, Voltage-Brightness index is U3—L3、U3’—L3' and U3”—L3". According to the basic database in the above step S1, the current is I3、I3' and I3", then:
VD1+VLED+I3×Rday(s)+I3×RNight+VGlow body＝U3
VD1+VLED’+I3’×RDay(s)+I3’×RNight+VGlow body＝U3’
VD1+VLED”+I3”×RDay(s)+VGlow body+VCrutch＝U3”
Figure BDA0002308374570000056
Figure BDA0002308374570000061
Referring to fig. 6 and 7, if there are four shift positions P4、P4’、P4”、P4"' Voltage Brightness index requirement, Voltage-Brightness index is U4—L4、U4’—L4’、U4”—L4' and U4”’—L4"'. According to the basic database in the above step S1, the current is I4、I4’、I4"and I4"', then:
VD1+VLED+I4×Rday(s)+I4×RNight+VGlow body＝U4
VD1+VLED’+I4’×RDay(s)+I4’×RNight+VGlow body＝U4’
VD1+VLED”+I4”×RDay(s)+VGlow body+VCrutch＝U4”
VD1+VLED”’+I4”’×RDay(s)+VGlow body+VCrutch＝U4”’
Figure BDA0002308374570000062
Figure BDA0002308374570000063
Wherein:
U0representing the LED starting voltage;
Rday(s)And RNightAdjusting the slope of the voltage brightness index of the signal lamp;
VcrutchAdjusting the inflection point voltage of the signal lamp;
Vglow bodyThe starting voltage of the signal lamp is adjusted.
If the maximum and minimum values are distributed on both sides of a line under the same voltage, i.e. the voltage-brightness index P in the range0、P0’、P0”、P0"' on a straight line, can be calculated using the single gear circuit adjustment mode of the above steps.
The above embodiments are only for describing the patent of the present invention, and the description is more specific and detailed, but not to be construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (6)

1.一种实现LED信号灯多档位亮度调节方法，其特征在于，包含有以下步骤并且依次执行，1. A method for realizing multi-level brightness adjustment of an LED signal lamp, characterized in that, the following steps are included and executed in sequence, 步骤S1：确定LED在不同电压下的信号灯亮度指标以及不同亮度所对应的电流值，形成LED基础数据库；Step S1: determine the LED signal lamp brightness indicators under different voltages and the current values corresponding to the different brightness, and form the LED basic database; 步骤S2：根据LED的信号灯电压和亮度指标需求，将各电压下亮度指标范围中的最大值点和最小值点进行描出，分析同一电压下最大值和最小值是否分布于某一直线两侧；以及，Step S2: according to the signal lamp voltage and brightness index requirements of the LED, trace the maximum point and the minimum point in the brightness index range under each voltage, and analyze whether the maximum value and the minimum value under the same voltage are distributed on both sides of a straight line; as well as, 步骤S3：根据上述步骤S2中信号灯电压—亮度指标分析，选用对应的信号灯多档位调光模式电路，建立最多四档位电压调节模式，构建LED信号灯矩阵特征数学模型。Step S3: According to the signal lamp voltage-brightness index analysis in the above step S2, select the corresponding signal lamp multi-gear dimming mode circuit, establish a maximum four-gear voltage adjustment mode, and construct the LED signal lamp matrix characteristic mathematical model. 2.根据权利要求1所述的一种实现LED信号灯多档位亮度调节方法，其特征在于：若信号灯为单档位P1点指标需求，电压—亮度指标为U1—L1，根据上述步骤S1中基础数据库，其电流为I1，则：2. A method for realizing multi-stage brightness adjustment of LED signal lights according to claim 1, characterized in that: if the signal light is a single-stage P 1 point index requirement, and the voltage-brightness index is U 1 -L 1 , according to the above In the basic database in step S1, its current is I 1 , then: VD1+VLED+I1×R昼＝U1 V D1 +V LED +I 1 ×R day =U 1
Figure FDA0002308374560000011
Figure FDA0002308374560000011
 3.根据权利要求1所述的一种实现LED信号灯多档位亮度调节方法，其特征在于：若信号灯为两个档位P2、P2’点指标需求，电压—亮度指标为U2—L2和U2’—L2’，根据上述步骤S1中基础数据库，其电流为I2和I2’，则：3. a kind of realization LED signal light multi-stage brightness adjustment method according to claim 1, is characterized in that: if signal light is two gear positions P 2 , P 2 ' point index demand, voltage-brightness index is U 2 — L 2 and U 2 '-L 2 ', according to the basic database in the above step S1, its currents are I 2 and I 2 ', then: a)当D辉起作用，R夜、D拐不起作用时：a) When D Hui works, R night and D crutches do not work: VD1+VLED+V辉+I2×R昼＝U2 V D1 +V LED +V light +I 2 ×R day = U 2 VD1+VLED’+V辉+I2’×R昼＝U2’V D1 +V LED '+V hui +I 2 '×R day =U 2 '
Figure FDA0002308374560000012
Figure FDA0002308374560000012
Figure FDA0002308374560000013
Figure FDA0002308374560000013
 b)当R夜、D拐起作用，D辉不起作用时：b) When R night and D crutch work and D Hui does not work: VD1+VLED+I2×R昼+I2×R夜＝U2 V D1 +V LED +I 2 × Rday +I 2 × Rnight =U 2 VD1+VLED’+I2’×R昼+V拐＝U2’V D1 +V LED '+I 2 '×R day +V turn =U 2 '
Figure FDA0002308374560000021
Figure FDA0002308374560000021
Figure FDA0002308374560000022
Figure FDA0002308374560000022
 4.根据权利要求1所述的一种实现LED信号灯多档位亮度调节方法，其特征在于：若为三个档位P3、P3’、P3”点电压亮度指标需求，电压—亮度指标为U3—L3、U3’—L3’和U3”—L3”，根据上述步骤S1中基础数据库，其电流为I3、I3’和I3”，则：4. a kind of realization LED signal light multi-level brightness adjustment method according to claim 1, is characterized in that: if it is three gears P 3 , P 3 ', P 3 " point voltage brightness index demand, voltage-brightness The indicators are U 3 -L 3 , U 3 '-L 3 ' and U 3 '-L 3 ', according to the basic database in the above step S1, the currents are I 3 , I 3 ' and I 3 '', then: VD1+VLED+I3×R昼+I3×R夜+V辉＝U3 V D1 +V LED +I 3 ×R day +I 3 ×R night +V brightness =U 3 VD1+VLED’+I3’×R昼+I3’×R夜+V辉＝U3’V D1 +V LED '+ I3 '× Rday + I3 '× Rnight + Vlight = U3 ' VD1+VLED”+I3”×R昼+V辉+V拐＝U3”V D1 +V LED ”+I 3 ”×R day +V brightness +V turn =U 3 ”
Figure FDA0002308374560000023
Figure FDA0002308374560000023
Figure FDA0002308374560000024
Figure FDA0002308374560000024
 5.根据权利要求1所述的一种实现LED信号灯多档位亮度调节方法，其特征在于：若为四个档位P4、P4’、P4”、P4”’电压亮度指标需求，电压—亮度指标为U4—L4、U4’—L4’、U4”—L4”和U4”’—L4”’，根据上述步骤S1中基础数据库，其电流为I4、I4’、I4”和I4”’，则：5. A method for realizing multi-level brightness adjustment of LED signal lights according to claim 1, wherein: if it is four gear levels P 4 , P 4 ', P 4 ", P 4 "' voltage brightness index requirements , the voltage-brightness index is U 4 -L 4 , U 4 '-L 4 ', U 4 "-L 4 " and U 4 "'-L 4 "', according to the basic database in the above step S1, its current is I 4 , I 4 ', I 4 ", and I 4 "', then: VD1+VLED+I4×R昼+I4×R夜+V辉＝U4 V D1 +V LED +I 4 × Rday +I 4 × Rnight + Vbright =U 4 VD1+VLED’+I4’×R昼+I4’×R夜+V辉＝U4’V D1 +V LED '+I 4 '×R day +I 4 '×R night +V light =U 4 ' VD1+VLED”+I4”×R昼+V辉+V拐＝U4”V D1 +V LED ”+I 4 ”×R day +V brightness +V turn =U 4 ” VD1+VLED”’+I4”’×R昼+V辉+V拐＝U4”’V D1 +V LED ”'+I 4 ”'×R day +V brightness +V turn =U 4 ”'
Figure FDA0002308374560000031
Figure FDA0002308374560000031
Figure FDA0002308374560000032
Figure FDA0002308374560000032
 其中：in: U0表示LED起辉电压；U 0 represents the LED ignition voltage; R昼和R夜调节信号灯电压亮度指标斜率；R day and R night adjust the slope of the signal lamp voltage brightness index; V拐调节信号灯拐点电压；V -knee adjusts the corner voltage of the signal lamp; V辉调节信号灯起辉电压。V glow adjusts the starting voltage of the signal lamp. 6.根据权利要求1所述的一种实现LED信号灯多档位亮度调节方法，其特征在于：若同一电压下最大值和最小值分布于某一直线两侧，即范围内的电压—亮度指标P0、P0’、P0”、P0”’在一条直线上，可采用上述步骤中的单档位电路调节模式进行计算。6. A method for realizing multi-level brightness adjustment of LED signal lights according to claim 1, characterized in that: if the maximum value and the minimum value under the same voltage are distributed on both sides of a certain straight line, that is, the voltage-brightness index within the range P 0 , P 0 ', P 0 '', P 0 ''' are on a straight line, and can be calculated using the single-gear circuit adjustment mode in the above steps.
CN201911248545.3A 2019-12-09 2019-12-09 Method for realizing multi-gear brightness adjustment of LED signal lamp Pending CN113038656A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911248545.3A CN113038656A (en) 2019-12-09 2019-12-09 Method for realizing multi-gear brightness adjustment of LED signal lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911248545.3A CN113038656A (en) 2019-12-09 2019-12-09 Method for realizing multi-gear brightness adjustment of LED signal lamp

Publications (1)

Publication Number Publication Date
CN113038656A true CN113038656A (en) 2021-06-25

Family

ID=76450862

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911248545.3A Pending CN113038656A (en) 2019-12-09 2019-12-09 Method for realizing multi-gear brightness adjustment of LED signal lamp

Country Status (1)

Country Link
CN (1) CN113038656A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1390720A (en) * 2001-06-09 2003-01-15 周卫华 Light-adjusting brightening protector of headlight for motor-driven vehicle
CN201336745Y (en) * 2007-12-21 2009-10-28 成都飞机工业集团电子科技有限公司 Continuously adjustable stepless light-dimming device of alarm lamp
RU95446U1 (en) * 2010-04-02 2010-06-27 Федеральное государственное унитарное предприятие "Головное особое конструкторское бюро "Прожектор" LIGHT AERODROM SYSTEM
CN105657928A (en) * 2014-11-28 2016-06-08 上海航空电器有限公司 Adjusting circuit for adjusting LED light sources with different colors to have same brightness
CN106576409A (en) * 2014-08-18 2017-04-19 艾酷瑞克有限责任公司 Ballast circuit

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1390720A (en) * 2001-06-09 2003-01-15 周卫华 Light-adjusting brightening protector of headlight for motor-driven vehicle
CN201336745Y (en) * 2007-12-21 2009-10-28 成都飞机工业集团电子科技有限公司 Continuously adjustable stepless light-dimming device of alarm lamp
RU95446U1 (en) * 2010-04-02 2010-06-27 Федеральное государственное унитарное предприятие "Головное особое конструкторское бюро "Прожектор" LIGHT AERODROM SYSTEM
CN106576409A (en) * 2014-08-18 2017-04-19 艾酷瑞克有限责任公司 Ballast circuit
CN105657928A (en) * 2014-11-28 2016-06-08 上海航空电器有限公司 Adjusting circuit for adjusting LED light sources with different colors to have same brightness

Similar Documents

Publication Publication Date Title
CN109819546B (en) Wide color gamut dimming and mixing method and atmosphere lamp
CN101707052B (en) RGB-based method for adjusting white balance of LED backlight
US20150289339A1 (en) Light regulation method, light regulation apparatus and adjustable light source
CN201207271Y (en) Working current regulating circuit of LED module
CN104540263B (en) A kind of method and device for simulating daylight change
CN104768280B (en) Color temperature compensation method for LED lamp
CN107333359A (en) An LED mixed light lighting system with adjustable color temperature and its dimming method
CN102966899A (en) Method for improving work efficiency and sleep quality by LED illumination and lamp
WO2020156130A1 (en) Method for simulating cie standard illuminant using multi-channel leds and illumination system
CN101022687A (en) Device and method for adjusting luminous diode brightness
CN201688311U (en) True-color backlight of motorcycle instrument
CN201191933Y (en) LED regulating device with color temperature and color rendering adjustable
CN100501953C (en) Luminous diode color matching method
CN102541950A (en) Method and device for establishing color temperature database of combined light and method for realizing combined light
CN103079305B (en) Light-emitting diode (LED) illuminating device and light regulation method thereof
CN113038656A (en) Method for realizing multi-gear brightness adjustment of LED signal lamp
EP2138012B1 (en) Operating device and method for the combined operation of gas discharge lamps and semiconductor light sources
CN106332358B (en) A kind of polychrome illumination apparatus of plant incubator
CN102005186A (en) How to adjust the chromaticity of liquid crystal display
CN207678050U (en) A kind of LED lamp improving white light efficiency
CN204242564U (en) Display with direct-lit LED backlight module
CN203457366U (en) LED driver controller and LED driver
CN101968172A (en) Color temperature variable white LED module and application method thereof
CN216980096U (en) Liquid crystal display rapid dimming circuit and liquid crystal display backlight device
CN202406354U (en) Adjustable Grow Lights

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