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    • Denggle > Lighting News >

    Osram Quantum Dots Make LEDs Even More Efficient

    Osram Quantum Dots Make LEDs Even More Efficient

    Source： led-professional.com 04 Aug 2019
    LED Quantum Dot

    QDs are nanometer-sized semiconductor particles, which means they are about 10,000 times smaller than the diameter of a human hair. Due to their very small size, the light that is re-emitted when blue LED light hits the nanoparticles depends on the size of the particles. For example, QD particles that are roughly three nanometers in size produce green light, while particles around seven nanometers emit red light.

     

     

    Osram Quantum Dots Make LEDs Even More Efficient

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    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.

    “Popcorn” Structured Quantum Dot Material with 21 Times Higher Luminous Intensity to Reduce Micro LED Cost

    A research team of The Korea Advanced Institute of Science and Technology (KAIST) developed a new light-emitting material which combines quantum dot with a polymer medium filled with popcorn-like air bag. The new material, compared to conventional pure quantum dot films, perform 21 times better luminous intensity and 45% better durability.

    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

    Quantum Dot LED Development Achieves Milestone of Exceeding One Year On-time Test

    Quantum Materials Corp, a U.S. based quantum dot manufacturer, has announced its achievement of exceeding 7,000 hour continuous on-time durability test for the company's cadmium-free quantum dots in a remote LED.

    Introduction to LED Double-headed Spotlight

    Have you heard of LED double-headed spotlight? If you are observant, you must have found that many buildings are equipped with LED double-headed spotlights on the external walls, which can create various atmospheres according to different environments and lighting needs. This kind of double-headed spotlight is widely applied to pavilions, pillars, bridges, corridors, indoor and outdoor walls and able to accommodate the lighting needs of each kind of environment. Next, the author will give a detailed introduction to this LED double-headed spotlight.

    What Are Advantages of Outdoor Spot Light? How to Choose Outdoor Spot Light?

    Spot lights, without the main light or fixed scale, are often installed indoors to create a bright lighting atmosphere and transform splendid patterns. But with the development of urban nightscape lighting engineering construction and people’s higher requirements on artistic level and cultural taste, new requirements need to be met for nightscape lighting for urban high-rise buildings, roads and bridges, squares and gardens, and other ancillary facilities. In such case, outdoor spot lights come into being. But what kind of outdoor spot light to choose? How to choose outdoor spot light? Below is the introduction for your reference.

    Infrared LED Efficiency Increased with Colloidal Quantum Dots

    Researchers at the Barcelona Institute of Science and Technology have developed LEDs comprising infrared colloidal quantum dots that enable high efficiency and low cost CMOS integration.

    How Should The Aluminium Guardrail Tube Be Installed?

    You should not be unfamiliar with the aluminium guardrail tube, right? Especially in the process of urban road construction can not be separated from the use of aluminium guardrail tube, with this guardrail tube of the protection of vehicles can be in accordance with the right track. Especially when night falls, with the protection of this guardrail, the city will become safer. Guardrail tube has many different styles and specifications. If you choose some exquisite and fashionable styles, it can also play a role in beautifying the city and bring more colors to the city at night. Let's see how to install this kind of aluminium guardrail tube.

    Fashionable Light Source Options of LED Double-head Square Down Light

    With various brands of LED double-head square down light emerging on the market, it seems like users have more options. However, actually, people feel difficult to make a choice, because they don’t know what brand supplies beautiful lights and what light source is the most suitable. Next, the author will explain how to select the light source of LED double-head square down light.

    Led Dual - head Spotlights Related Information

    Have you ever heard of led dual head spotlights? Careful friends must be able to find a lot of buildings on the wall will be installed LED double head spotlights, according to the different environment, different lighting needs to create a different atmosphere. This kind of double head shoots the use range of the light is more extensive, summerhouse, column, bridge, corridor, the wall body of indoor and outdoor can be installed. Meet the different lighting needs of the environment. Now that will follow small make up together to understand the details of this led double head spotlights on the information it.

    Which Fashion Light Source Choices Do Led Square Dual Head Tube Lamps Have

    Different brands of LED square double-headed drum lamps appear in the market. It seems that users have more selectivity. In fact, it also brings us a comprehensive selection difficulty. I don't know what brand lamps look good, and what kind of light source is the most suitable? With regard to the selection of light source for LED square double-headed tube lamp, let's take a look at how Xiaobian explains it to you in detail.

    What Are the Advantages and Characteristics of Double- Head Surface Mounted Spotlights?

    There are many types of surface mounted spotlights on the market today. Consumers need to understand the differences and advantages between these different lights in order to choose the right one. After understanding the advantages and characteristics of double- head surface mounted spotlights, consumers can buy them with confidence. Good quality lights generally do not have potential safety hazards. The advantages of double- head surface mounted spotlights are described below.

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