Xiamen Eco Lighting Co. Ltd.

Xiamen Leedarson Lighting Co., Ltd

Xiamen Oamic Biotechnology Co., Ltd.

Xiamen Forbetter Sanitary Ware Co., Ltd.

Ruijie Networks Co., Ltd.

Wei Liu

Qiyuan Wang

Hemu Ye

Liangliang Cao

Hongkui Jiang

Feihua He

Qiqiang Lin

Yibin Chen

Hong Jiang

Huiwu Chen

Qi Bin Liu

Yongjun Bao

Xijing Zhao

Chenguang Xing

Fengyu Yan

Cantian Wu

Yanzeng Gao

Xiaobo Chen

Liping Lin

Mouyong Lin

Yanbiao Chen

Zongyan Liu

Fujie Chen

Hui Chen

Yan Biao Chen

Zhiqiang Huang

Xingui Zhang

Jie Zhang

Jiaqing Zhuang

Wenchang Huang

Zongjin Liu

Yongqiang Wu

Haipeng Xiao

Gang Liu

Zhimin Deng

Jun Wang

Cuiping Chen

Yarou Zeng

Hongcan Gong

Huanyan Lan

Xiaolong Lv

Guohong Lai

Xiaohong Chen

Qi Liu

Zuqing Chen

Liuyun Huang

This application discloses a heat dissipation structure for an optoelectronic module and an electronic device. The heat dissipation structure includes: an electronic chip; a plurality of optical engines, the plurality of optical engines being distributed along a periphery of the electronic chip; and a cold plate. The cold plate includes: a main cold plate for dissipating heat for the electronic chip; a secondary cold plate for dissipating heat for at least one of the plurality of optical engines; and a heat pipe assembly corresponding to the secondary cold plate. The heat pipe assembly includes at least one heat pipe, which has an evaporating end connected to the secondary cold plate and a condensing end connected to the main cold plate. The main cold plate is equipped with a flow channel for dissipating heat for the heat pipe assembly, and the secondary cold plate has a maintenance operation position.

Heat dissipation structure for optoelectronic module and electronic device

An illuminating system includes a power source, an on/off switch, an examining module, an illuminating module and a master module. The power source supplies power. The on/off switch switches on or switches off the power from the power source. The examining module detects whether the on/off switch is switched off and whether the on/off switch's switched-off state lasts over a predetermined time interval. In addition, the examining module generates an adjust signal corresponding to a result of detecting the on/off switch. The illuminating module includes a plurality of illuminating elements. The master module adjusts a total current forwarded to and current ratios among the plurality of illuminating elements according to the adjust signal.

Illuminating system and luminance adjusting method thereof

A lighting apparatus includes a power circuit, multiple light sources, a power failure detection circuit, a wall switch decoder and a controller. The power circuit converts an external power source to multiple driving currents. The multiple light sources respectively receive the multiple driving currents to generate a required mixed light. The power failure detection circuit is coupled to the power circuit for detecting a predetermined power failure pattern. When the predetermined power failure pattern is detected, the power failure detection circuit generates a failure signal. The wall switch decoder is coupled to a wall switch via a signal wire for converting a manual operation to a corresponding switch parameter. The failure signal activates a mode switch in the controller to select a working mode. The switch parameter is interpreted with different setting instructions under different working modes.

Lighting apparatus

The lighting apparatus includes a LED module, a constant current source, a bridge rectifier, a silicon-controlled rectifier, a wireless module and a detector. The lighting apparatus receives an alternating current power to generate a light. The constant current source provides a driving current to the LED module. The bridge rectifier converts the alternating current power of a first frequency to a direct current power with a second frequency. The second frequency is two times of the first frequency. The silicon-controlled rectifier is connected to the alternating current power and the bridge rectifier for adjusting the direct current power with a chopping signal. The wireless module receives an external control signal. The detector generates a dimming control signal supplied to the constant current source to adjust the driving current according to both the external control signal and the chopping signal.

A lighting apparatus includes a rectifier, a constant current circuit, a first LED series, a second LED series, a third LED series and a controller. The rectifier converts an alternating current power to a direct current power. The constant current circuit generates a first driving current, a second driving current and a third driving current derived from the direct current power. The controller has a first mode to only turn on the first LED series and to turn off the second LED series and the third LED series. The controller has a second mode to adjust the first PWM signal, the second PWM signal and the third PWM signal to generate a corresponding color temperature.

A faucet installation tool includes at least two coupling units. Every adjacent two of the coupling units are detachably connected together. A hollow area is formed between middle portions of the coupling units. Tops of the coupling units are formed with a first socket portion. The first socket portion is configured to receive a lock nut used for installing and fixing a threaded connecting pipe of a faucet, improving the connection strength between the first socket portion and the lock nut. The faucet installation tool does not require a large lateral space and is convenient to tighten the lock nut when in use.

Faucet installation tool

The present disclosure discloses a method for preparing vanillin by fermentation with eugenol as a substrate, preparing vanillin by a mixed fermentation ofOMK-68 andsp. OMK-69, its potency reached 35 g/L, the mass conversion rate of eugenol reaches 83.3%.OMK-68 in the present disclosure can use eugenol as a substrate for fermentation to prepare coniferyl alcohol, and its fermentation effect and substrate utilization rate are far better than wild-typeThesp. OMK-69 in the present disclosure can use coniferyl alcohol as a substrate for fermentation to prepare vanillin, and its fermentation effect and substrate utilization rate are far better than wild-typesp.

Method for preparing vanillin by fermentation with eugenol as substrate

A LED light apparatus includes a substrate, LED modules, a driver circuit, a fluorescent layer, a connector and a light passing shell. The LED modules are mounted on the substrate. The fluorescent layer covers the driver circuit and the LED modules. The connector has a first end electrically connecting to the driver circuit. The light passing shell encapsulates the substrate, the plurality of first LED modules, the driver circuit, the first fluorescent layer and at least a part of the connector. The connector has a second end connecting to an external power source.

LED light apparatus

A linear luminance adjusting circuit includes a rectifying circuit, a constant voltage circuit, a control module, a linear constant current circuit and a hybrid luminance circuit. The rectifying circuit rectifies power from the AC power source to generated a rectified voltage. The constant voltage circuit transforms the rectified voltage into a constant voltage. The control module is electrically coupled to the constant voltage circuit. The control module generates a control signal using the constant voltage. The linear constant current circuit is electrically coupled to the rectifying circuit and the control module. The linear constant current circuit is powered up using the rectifying voltage. And the linear constant current circuit generates a linear current using the control signal. The hybrid luminance circuit is electrically coupled to the rectifying circuit and the linear constant current circuit. The hybrid luminance circuit illuminates using the linear current.

Linear luminance adjusting circuit

A lighting apparatus includes a first LED module, a second LED module, a third LED module, a constant current generator, a first switch, a third switch and a driver. The constant current generator is used for generating a constant current according to a major PWM signal. The first LED module and the third LED module are connected in parallel and share the constant current. The constant current is adjusted by changing a major duty ratio of the major PWM signal. The driver is used for generating the major PWM signal, a first PWM signal and a third PWM signal. The first color temperature profile, the second color temperature profile and the third color temperature profile have different spectrum distributions.

A smart LED lighting apparatus with communication capabilities. The lighting apparatus includes a main body, a bulb body, a head body, a LED module for emitting light, and a communication module for providing wireless communication. The bulb body is connected to a first end of the main body. The head body is connected to a second end of the main body and configured to be connected to an electrical socket for receiving power. The lighting apparatus further includes a composite printed circuit board having a first sub-board and a second sub-board physically coupled to the first sub-board. The communication module is located on the first sub-board and the light LED module is located on the second sub-board.

LED lighting apparatus

A lighting apparatus includes a light source module, a light source plate, a wireless module, a fiberglass plate and external electrodes. The light source module includes a LED module. The light source plate is used for mounting the light source module. The wireless module includes an antenna and a radio frequency circuit for wirelessly communicating with an external device. The radio frequency circuit is electrically connected to the light source module. The fiberglass plate is used for mounting the wireless module. The antenna is disposed on an external surface of the fiberglass plate. The external electrodes for passing an external power source to the light source module.

Lighting apparatus having enhanced wireless single capability

A LED lighting apparatus has a circuit board and a base. The base is a hollow structure. The base with lateral wall has a conducting element. The circuit board is in the base and has a LED power driving circuit and a LED source. The LED power driving circuit has a full-bridge rectification. A &#x3c0;-filter circuit and a non-isolated switch driving circuit connected in order. An output terminal of the non-isolated switch driving circuit is connected with the LED source. The full-bridge rectification, the &#x3c0;-filter circuit and the non-isolated switch driving circuit are common grounded to form a power ground. The power ground is electronically connected with the conducting element in order to reduce the interference of an electromagnetic energy generated by the high-frequency switch signal to other appliances.

Lighting apparatus a pi-filter and non-isolated switch driving circuit and a base comprising a metal connector

A lighting apparatus includes a light source, a power converter, an optical coupler, a light sensor, a frequency detector and a controller. The light source includes a LED module. The light switch is connected to the LED module in series. The light switch selectively turns on and turning off the LED module according to a second PWM signal. The power converter converts an alternating current power source with a working frequency to a direct current power. The optical coupler controls the power converter to work in a constant current mode or a constant voltage mode according to a first PWM signal.

An elongated lamp tube has an elongated tube shell, two caps, a LED light source, a first power supply circuit, a second power supply circuit and a frequency switch circuit. The elongated lamp tube may be connected to first electrodes of a lamp fixture without a ballast or a lamp fixture with a ballast. The ballast converts an external power of an industrial frequency to a converted power of a working frequency. The frequency switch circuit is connected to the first power supply and the second power supply for blocking one of the first power supply circuit and the second power supply to supply driving current to the LED light source according to an input frequency of a received power.

LED light tube

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Xiamen, China

Wei Liu