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Dear my friend I am so happy to send you all this information . december is the last mouth of 2017 .and the Christmas festival is coming soon .here i blessing you and your family have a good time in this vacation . and i also wish all of my friends have earned what he wanted and desired in 2017 .sincerely send my blessing : Happy Merry Christmas my friend . Jack

Dear my global Led lighting business man . Have a good day to you ! . As a professional led designing and producing enterprise . we are in this industry over 10 years. with rich experience . our mainly advantages is : we can offer a series custom lighting solutions for any special outdoor project and with the actual project case for your reference . we are the original product manufacturer , for any product we promoted are designed by myself . non-standard custom led lamps , fast make samples and mass productions . low cost but reasonable quality .that why we can develop well for 10 years .and now the trends become better and better . Nowadays , as a manufacturer who must donate money and energy to research and develop his product , each mouth or quarter ,they must promote many new models on the market to keep competitive . we also so done like this way : On October we promote this new kinds of custom outdoor lamps for pillar and trees , this lamps can really help you solve a lot of problems about the tree and pillar lighting solutions , pls check the advertising board about the details : this lamps will be promoted on Hong Kong international lighting fair . hope you are interested . welcome you to inquiry from us.

The Autumn Lighting Fair and the concurrent HKTDC Hong Kong International Outdoor and Tech Light Expo 2017, together form the world`s largest lighting marketplace. The Outdoor and Tech Light Expo will run from 26-29 Oct 2017 at the AsiaWorld-Expo (AWE). Outdoor and Tech Light Expo 2017, organised by the Hong Kong Trade Development Council (HKTDC) presents outdoor lighting, professional and industrial lighting, advertising lighting and in a new zone, lighting solutions and systems, from specialist suppliers of lighting for commercial/industrial use. Shenzhen Relay lighting Electrical Appliance Co.,Ltd , As a professional outdoor project lighting manufacturer over 10 years in this industry , we have reach experience in designing and producing in many outdoor led product , including : led wall washer light, led flood light , led underground lamps, led underwater lamps, window lamps and many other custom lamps , solar powered lamps series : led street light , led garden light , led fence lamps, led lantern. now we want to expand the world market in outdoor project lighting . so we plan to join many world famous lighting fair , such as this one "Hong Kong International Outdoor and Tech Light Expo 2017 " . we also have good policy for this guys who come to our booth , Sincerely hope we can talk business face to face this time . Kind regards Jack

Shenzhen relay lighting electrical appliance Co.,Ltd is a LED design and production enterprise . With over 10 years experience in this industry .we can provide a series high quality service for our business partner . Each mouth our company promote many new patented go on market , mainly of our product are widely applied to outdoor project lighting solutions including : led wall washer light, led flood light ,led underwater light ,roof light , window light , led point light ,and solar powered lamps : solar street light ,solar wall light , solar garden light, solar lawn light . there is a new project case we have finished in September we adopt led point light ,pls check the picture : The lighting effect is really good , get high reviews from customer . hope this case can workable for lighting man ,as a real reference .

The EU had tasked SCHEER with studying the issue exhaustively with the specific direction to evaluate the impact of blue energy on human eyes and skin. The committee determined that typical human exposure to such blue energy from lighting and displays is far lower than exposure safety limits that have been previously established. And the report said the lack of ultraviolet (UV) light in LED sources may reduce the risk humans face from UV in other light sources including the Sun. The LightingEurope organization has immediately championed the report. [LightingEurope welcomes the conclusion by the Committee that there is no evidence of direct adverse health effects from LEDs in normal use by the general population," said Ourania Georgoutsakou, secretary general of LightingEurope. [One of the key objectives of LightingEurope is to inform the market on good quality lighting and to support consumers in making informed choices. Of course, the report is in draft stage, and Georgoutsakou added, [We welcome the initiative of SCHEER to launch a public consultation period, which gives the opportunity for interested stakeholders to provide their feedback." The report does warn of potential issues with LEDs including discomfort and disability glare associated with SSL implementations in auto headlamps and other applications. Those issues are solely present in LEDs. The report also mentions glare related to street lighting but points out that glare has been a problem primarily where lighting design and luminaire selection has favored energy efficiency over quality. In any case, the glare issue is said to have a temporary and not permanent impact on healthy humans. The report further concludes that some LED products can have a greater impact on circadian rhythm relative to legacy sources, yet it goes on to say that there is no current evidence that circadian disturbance leads to adverse health effects. That sure runs contrary to what we hear from many scientists and will be a primary topic at our Lighting for Health and Well being Conference on July 27.

With the development of LED industry,there are more and more countries and regions in the world that accept and use led lighting technology Led lamps and lanterns, have unlimited wide market. as a manufacturer in the led lighting industry for more than ten years .whether it's design, manufacturing, or specialization is quite mature,we are constantly trying to get our professional services and high quality outdoor lighting products through various channels. especially the industry lamps and lanterns exhibition to the world. In the first half of 2017, we participated in the domestic guangzhou guangya exhibition. In the second half of the year, we will invest in the Hong Kong international outdoor and technology lighting fair, and dubai's professional lighting exhibition. all the exhibitions we have are outdoor lamps and new kinds of solar lamps.specific include: outdoor washing wall lamp, linear wall washer lamp, led floor lamp, underwater lamp.Solar lamps include: solar street lamps, solar wall lamps, solar garden lamps, solar fence lamp, solar buried lamps.all the products we promoted are through previous market research, Both are very popular and new styles in the market.the product design and research and development are our own team, the market share is very high.we welcome buyers from all over the world to visit our products in the coming of the exhibition.

Since we developed our company in 2007 , our company are in led outdoor lighting and project lighting for 10 years, Shenzhen relay lighting Electrical appliance Co.,Ltd is a professional led products designing and producing high-tech enterprise . Our company specializes in producing high-power flood light, wall lights, underwater lights, buried lights, spotlights and LED tube, LED spot light, LED advertising module and other products. The company has a bright and spacious factory, after years of development, has a strong technical team and advanced research and development, production, testing equipment, the establishment of efficient supply chain management system and strict quality management system, processes, standardized management At present, our products have been used in many countries and regions, for customers to create attractive lighting effects and reliable operations that we will continue with integrity and pragmatic attitude of doing things, product innovation and optimization of service attention to detail and excellence, is committed to creating value for customers, in order to meet customers needs, and progressive efforts to build industry-leading brands. We have been committed to providing customers with high quality ,cost-effective product and the most professional outdoor lighting project solutions .we can offer the most favorable policies to the wholesales and engineers who want to cooperate with us . each mouth our company can develop two kinds of new patented lamps go on market , maybe not too much , but i think it can satisfy some of my business friend . and we are factory , led manufacturer for 10 years . reach experience and deep market knowledge ,really can help you in chinese market . If you are planning to project lighting and outdoor lighting industry . I am we would be your best partner in the near future . Sincerely hope for your future business .

Welcome to Guangzhou International Lighting Exhibition! Based on positive feedback from the industry, the [THINKLIGHT" show concept was a resounding success and will continue to develop at the 2017 show under the theme [The convergent future". In the LED era, lighting carries wider capabilities that extend pass basic on/off and dimming functions. The totality of lighting has moved beyond the scope of illumination and the industry is witnessing the creation of a future that converges different sectors and elements that revolve around human wellbeing. Product category Lighting accessories, component & equipment Lighting accessories LED packaging components Electronic components Optical component Measurement equipment LED packaging equipment Testing equipment LED Technology LED & light sources Power supply, drivers and electronics LED specialty applications Luminaries Residential lighting Commercial lighting / Industrial lighting Urban lighting / Architectural lighting Smart lighting Electric lights LED display and signage Travel to Guangzhou Train Visitors can access Guangzhou by taking the cross-border train from Hung Hom MTR Station (Kowloon, Hong Kong). The journey takes 2 hours to reach Guangzhou East Railway Station. Click here to view the schedule and fee Road In just 3.5 hours, visitors can arrive in Guangzhou by taking the cross-border coach from Hong Kong International Airport (mainland coach station at Terminal 2). The coach service runs daily 07:00 to 23:00. Click here to view the schedule Air Guangzhou Baiyun International Airport is about 28km from the city centre of Guangzhou. Click here to check the detail of Baiyun International Airport Our team Shenzhen Relay lighting Co., Ltd will be looking forward to having you and share your valuable comments while presenting our new product lines of outdoor light series.

LEDs do two things really well. They emit light and heat, in roughly equal measures. The light is generally useful, the heat less so. Heat and LEDs do not make good bedfellows so when designing a solidstate light source, as much care needs to be taken in removing the heat as managing the photons. Keeping LEDs cool is a relatively straightforward endeavour requiring some form of thermally conductive pathway between the semiconductor junction and the heat sink. This pathway needs to have a thermal resistance as far as possible below some maximum, which can be calculated using a finite element or similar thermal model simulator. Unfortunately licences for these sophisticated computer programs do not come cheap, particularly if the requirement is only for a few designs each year. Rule of thumbWithout access to suitable computer models, the LED thermal designer is forced to resort to using `rules of thumb`. The most common is that heat spreads at 45 degrees. When applied to lumps of homogeneous material this rule works better than a wild guess and at least gives an answer in the right ball park. The problem is that the typical thermal path between an LED and a heat sink is not a solid lump of homogeneous material. Usually it comprises a complex stack of materials, such as the LED package, die attach solder, circuit board, thermal interface material, heat spreader and many more. Each of these structures will have radically different dimensions, thermal conductivities and specific heat capacities, with various interface resistances between all the different layers. The net result is that applying the 45 degree rule is decidedly dodgy. Any LED capable of producing a respectable number of Lumens will be mounted on a metal-in-board PCB. Typically, these comprise a copper circuit layer on an aluminium plate separated by a dielectric. Depending on the grade of the board the thermal conductivity of the dielectric can range from 3–10 W/mK, with the more important metric of thermal resistance also taking into account the thickness of the layer. LEDs soldered to the copper dissipate heat through a combination of axial conduction through the thickness and radial spreading. This dual approach to cooling makes these boards particularly suitable for the new generation of chip sized LEDs (i.e. CSP) as the small dimensions and medium power necessitates management of intense thermal flux. By running a finite element model on a metal-in-board PCB it is possible to come up with a useful rule of thumb. That is, for a CSP LED on a board carrying 1oz copper (35μm thick) and possessing respectable thermal attributes, the useful copper area is a disc about 35mm diameter. This provides the lowest thermal resistance path by optimising the balance between the axial and radial conduction. If the copper area is smaller, too much reliance is placed on axial conduction so the thermal resistance goes up. This means that close packing of CSP LEDs can result in thermal as well as optical problems. Conversely making the copper area larger has little benefit because of the in-plane thermal resistance of the thin copper layer. The oft-cited approach to improving the cooling of CSP LEDs, namely doubling the thickness of the copper does not change the optimum copper area because the in-plane thermal conductivity of a 70um thick plane of copper on a decent quality of metal-in-board PCB is still low relative to the high axial thermal conductivity of the dielectric. While experienced designers of thermal management systems for LEDs will be uncomfortable with sticking with a [35 um/35 mm" rule of thumb, if your only design tool is a sharp pencil and the back of an envelope, it is better than guesswork and hot LEDs.

Shenzhen Relay Lighting Electrical Appliance Co., Ltd engaged in outdoor lighting project lighting production has been eight years .Especially good at non-stand customer made lamps .sampling speed , to a deep understanding of customer needs .Our main products are LED wall washer , led flood lamps , led underground lamps , led underwater lamps . Lamps mostly private mold products ,We have a professional team that can provide thoughtful and unique service for you . we are sincerely invite you come to my booth : Hope we can be a good business partner in the near future , this is the first steps to know each other , a better opportunity . Look forward to your coming .