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    • Denggle > Lighting News >

    Research Unveils the Effect of Age on White LED Perception

    Research Unveils the Effect of Age on White LED Perception

    Source： ledinside.com 26 Oct 2019
    LED Lgihting Research White LED Age

    People become more and more aware of how lighting can affect human well-being and are paying attention to the quality of lighting. For enhancing light quality, researchers found out people have different perception of light sources depending on their age and highlighted the importance of taking age factor into consideration when designing white LED lighting.

    A study published in The Optical Society (OSA) journal Optics Express investigated the perception variability related to short-wavelength effects and confirmed that the perception of white LEDs is affected by the viewer’s age and the variability in their short-wavelength spectrum.

     

    LED Lighting Research

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    Before：AMS Launches New Takeover Offer to Osram with Same Price and Lower Acceptance Rate
    Next：Exposure to Blue Light Might Accelerate Aging

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    Mads Odgård designs "simplest possible lamp" for Carl Hansen & Son

    Danish designer Mads Odgård stripped away anything unnecessary when creating this series of minimal lamps for Carl Hansen & Son, which feature hemispherical shades that intersect with simple metal tubes.

    Héctor Esrawe Introduces Félix Candela's Parabolas Into Lighting Design

    publish your work esrawe studio (17 articles) esrawe studio introduces félix candela's parabolas into lighting design esrawe studio introduces félix candela's parabolas into lighting designfeb 25, 2019 esrawe studio intervalo furniture collection exhibits at mexico design week esrawe studio intervalo furniture collection exhibits at mexico design weekoct 12, 2018 esrawe designs brass and copper bar at auditorio nacional in mexico city esrawe designs brass and copper bar at auditorio nacional in mexico citysep 21, 2018 nouvel limited reveals blown glass collection by mexican designers at design miami/basel nouvel limited reveals blown glass collection by mexican designers at design miami/baseljun 26, 2018 esrawe studio fits out taquería in mexico city with new interiors and brand identity esrawe studio fits out taquería in mexico city with new interiors and brand identityfeb 25, 2018 popular now design! LE GRAND PRIX DU CARRÉ HERMÈS call-for-entries now open! LE GRAND PRIX DU CARRÉ HERMÈS call-for-entries now open! 27k views 'less and more' illustrates the functional design of dieter rams 'less and more' illustrates the functional design of dieter rams 19k views naoto fukasawa designs 11-piece cutlery set 'itsumo' for alessi naoto fukasawa designs 11-piece cutlery set 'itsumo' for alessi 19k views the polydrop trailer is a lightweight portable living space for comfortable travelling the polydrop trailer is a lightweight portable living space for comfortable travelling 23k views kengo kuma completes the world's largest starbucks reserve roastery in tokyo kengo kuma completes the world's largest starbucks reserve roastery in tokyo 24k views lighting design (224 articles) night book emits warm, soft light when pulled from bookcase night book emits warm, soft light when pulled from bookcasemar 05, 2019 simone crestani turns japanese paintings into glass lighting installations at milan design week simone crestani turns japanese paintings into glass lighting installations at milan design weekfeb 28, 2019 esrawe studio introduces félix candela's parabolas into lighting design esrawe studio introduces félix candela's parabolas into lighting designfeb 25, 2019 kamaro’an weaves lighting and stationary out of umbrella sedge plants kamaro’an weaves lighting and stationary out of umbrella sedge plantsfeb 20, 2019 creative studio idea3di launches levitating marble lamp 'levia' creative studio idea3di launches levitating marble lamp 'levia'feb 11, 2019 322 122 46 50 héctor esrawe has designed lighting fixtures that create a reflection based on how the light travels through a solid surface — from the beginning to the end, through the darkness in the parabolas of félix candela. the path of the light in each of the versions is conditioned by the metal, in its scale, its surface and in its expression, also on its repetition, which builds an architectonic quality for each one of them.

    The Colour Of Light: Spectrally Optimised Light From BÄRO

    Light creates an atmosphere – and it supports the attractive presentation of all kinds of objects and products. From fresh foodstuffs or dishes in a restaurant, non-food products, fashion and leisure articles – lighting with a coordinated spectral composition can render the colour, material and surface properties of products in a way that shows them off to best advantage to customers and users. Successful sales-promoting lighting therefore deliberately engages with expectations and visual habits – and triggers positive associations.

    China CDC publishes multilingual epidemic control manuals for COVID-19

    To allow timely sharing with other countries of the most up-to-date COVID-19 control and prevention information, particularly as developing countries often have weaker healthcare systems and resources, a critical multilingual manual has been published in both English and French by the Chinese Center for Disease Control and Prevention. To comprehensively disseminate education on control and prevention of COVID-19 globally, based on the latest authoritative materials from China CDC, the World Health Organization and related periodicals -- with first-hand information from China, China CDC has organized experts and translators to develop the set of color publicity manuals containing FAQs regarding control and prevention of the epidemic(www.chinacdc.cn/en/COVID19). The compilation consists of such chapters as General Questions, Maternal and Child Health, Personal and Other Types of Protection, Diagnosis and Treatment. The manual, in a Q&A format, clarifies principal concerns of the general public in a systematic and focused manner, and has different color sketches tailored to African, ASEAN and South Asian countries, and is applicable for use by medical professionals and the general public alike. It can also be downloaded from the website to be circulated, or printed for distribution by Chinese embassies and consulates abroad, public health institutions of countries in Africa and other continents, foreign counterparts and the general public. At the same time, the manuals can also serve as materials to be used by Chinese experts when they go abroad for exchanges and training programs.

    What are the Advantages of Using Strong Searchlights

    Generally, the power of searchlights used in daily life is usually not too large, but for some special places, strong searchlights may be needed. The so-called strong light searchlight is very powerful, A class of lamps that emit very strong light. This type of lamps is usually specially designed for the development of outdoor security monitoring fields and is widely used in national defense, military affairs, justice, water conservancy and electric power departments and large-scale engineering construction sites, oil fields, airports, sea or some places for field search and rescue. Then the searchlight used in these cases has many other excellent characteristics besides strong light, which is briefly introduced below.

    Tunable white lighting in the classroom: The new ROI is ROO

    Throughout the past few years, we at LEDs Magazine have seen more solid-state lighting (SSL) product development targeted at educational environments. School officials, especially in the public-school arena, must manage strict budgets and plan strategically to obtain the best return on investment (ROI) possible, so the potential financial implications are important factors — first, the cost of premium equipment and installation, but then balanced against the possible payback due to energy efficiency initiatives and less maintenance. One consideration beyond the established cost reductions of SSL in institutional buildings such as schools is the possible impact of tunable white lighting in the classroom. Naturally, dimmability and other controls features such as granularity of color temperature can be customized to various classroom tasks and increase visual acuity. But what’s becoming even more appealing to educational administrators is the ability to influence less “visible” factors in the classroom, such as mood, behavior, and concentration. Strategies in Light, co-located with The LED Show and Lightspace California, will draw more attention to so-called human-centric lighting applications as this, also known as lighting for health and wellbeing. One such presentation, “Lighting for pupils…Tunable white lighting in the classroom and the new ROI,” by Tricia Foster of Acuity Brands Lighting and Catherine Hollenshead of Estes, McClure & Associates (EMA), will feature a case study on a Texas school district’s first-hand experience using tunable white lighting in several classrooms. Here the speakers give a glimpse into the new classroom experience. They will offer up additional details during SIL on how ROI has evolved into “return on objective” (ROO) in such installations. — Carrie Meadows

    Considerations for the Purchase of Waterproof Searchlight

    Many aspects like the protective performance shall be considered clearly when purchasing the waterproof searchlight. Generally, this kind of searchlight is used outdoors, so the waterproof performance shall be ensured in case of rain or falling into water. In such case, the quality of waterproof searchlight is of great importance. Consumers shall not purchase the extremely cheap searchlights, as they cannot bring good using effect and may even directly affect lighting.

    What Are The Major Searchlights Brands In The Industry And Mining Industry? How To Select The Searchlights?

    searchlights have powerful light sources and concave mirror devices that can focus lights on specific directions. It is mainly used for search and long distance lighting. What are the brands of industrial and mining large searchlights? How to choose a searchlight? In view of these problems, let's take a detailed look at them.

    The 20th China (Guzhen) International Lighting Fair, Covering Lighting Design, Lighting Engineering, and Intelligent Manufacturing, Will Set Sail from a New Starting Point

    Co-hosted by China Association of Lighting Industry and China’s Lighting Capital – Guzhen Town, the 20th China (Guzhen) International Lighting Fair (hereinafter referred to as GILF) was held concurrently with the Guzhen Lighting Manufacturing, Supply & Services Expo 2017 (hereinafter referred to as Guzhen Manufacturing Expo 2017) at Guzhen Convention & Exhibition Center, Zhongshan, China today (on October 30). Relying on the Guzhen lighting manufacturing & trading industry clusters with an output value of 100 billion yuan, committing to serving small- and medium-sized enterprises, and focusing on sales in both domestic and international markets, the fair continues to join hands with sub venues (one main venue + seven sub venues) to gather more than 2000 high-quality brand enterprises with exhibits covering the whole lighting industry chain to build up an exhibition area of over 1,500,000 m2 in total. The fair focuses on lighting engineering and lighting design and shows shaper insights on the potential of the intelligent manufacturing market, aiming to lead a new development trend of the lighting industry.

    What Should Be Considered When Purchasing a Waterproof Searchlight?

    When buying waterproof searchlights, there are many aspects that need to be considered clearly, such as protection. Generally, such a searchlight is used outdoors, so if it is rain or falling in the water, it must be A good waterproofness is required, so in such a situation, the quality of the waterproof searchlight is very important. Consumers should never buy some low-priced waterproof searchlights, because such a searchlight, there is no way to bring good results, and even directly affect the final lighting.

    Samsung and LG Showcases LED Signage Solutions at ISE 2019

    Last week at Integrated Systems Europe (ISE) 2019 in Amsterdam, Korean electronics producers LG and Samsung both introduced their latest LED and OLED technologies for signage applications. Samsung presented a range of 8K digital signage products including QLED displays and the 2019 version of The Wall display while LG demonstrate a transparent and curving OLED signage as well as a full lineup of LED products.

    LG Electronics Wons CES 2018 'Best TV Product' Honors for LG AI OLED C8 TV

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