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    • Denggle > Lighting News >

    Scientists Develop Color Tunable GaN LED with Potential to Improve Micro LED Display Technology

    Scientists Develop Color Tunable GaN LED with Potential to Improve Micro LED Display Technology

    Source： ledinside.com 08 May 2019
    GaN LED Micro LED Micro LED display color tunable GaN LED

    An international research team demonstrated the possibility of tuning the color of a GaN LED by changing the time sequence at which the operation current is provided to the device.

     

    Scientists from Lehigh University, West Chester University, Osaka University and the University of Amsterdam have collaborated to develop a new technique of color tuning for GaN LED by controlling current injection to monitor the intensity ratios of emission atomic. The research, titled “Color-Tunablility in GaN LEDs Based on Atomic Emission Manipulation under Current Injection,” was published in ACS Photonics on April 17.

     

    Scientists Develop Color Tunable GaN LED with Potential to Improve Micro LED Display Technology

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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.

    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

    Universal Display Corporation announced an OLED evaluation agreement with Royole Corporation

    Universal Display Corporation announced an OLED evaluation agreement with Royole Corporation, a developer of advanced flexible OLED displays, flexible sensors, and smart device electronics. Under this agreement, Universal Display (UDC) will collaborate with Royole Corporation and supply its proprietary UniversalPHOLED phosphorescent OLED materials and technology for Royole’s display applications. Details and financial terms of the agreement have not been disclosed.

    Casambi names new CEO, founder to focus on product management

    Finish light control solutions provider Casambi has made changes to its senior management team. Kari Mettälä now serves as Chief Executive Officer (CEO), a move instigated by Founder Timo Pakkala, Casambi’s former CEO, who continues with the company in a product management role.

    Is The LED Display And The OLED Display Just A Word Difference? Big Mistake

    When people hear the LED display and the OLED display, their heads are paralyzed. Isn’t this the same? In fact, they are not only the difference between a letter, they are completely different imaging technologies. LED display is a combination of microelectronics technology, computer technology and information processing. It is known for its bright colors, wide dynamic range, high brightness, long life and reliable working stability. It is also the most popular public display media. With the continuous development and innovation of LED display technology, the LED display industry starts with products and then products, so that the overall solution can be provided in the future.

    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.

    Josep Xuclà on Decorative Lighting for Exterior Applications

    Sophisticated landscape illumination.

    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.

    JBD Devises New Micro LED Technology to Make Ultra-Compact Micro LED Microdisplays.

    More and more companies, big and small, have utilized their self-developed methods to produce Micro LED products, whether they are Micro LED TVs, display modules, head-up displays (HUDs), or microdisplays. Through numerous collaborations between LED manufacturers and equipment providers, the production of Micro LED chips started to slightly increase. Research institutions have been trying to realize their ideas, trial after trial, to improve mass transfer technologies. As for young startups, they also devised several intricate technologies that can effectively address some of the technology barriers, which is attractive enough to get them helpful partners.

    LG Display Introduces Cutting-edge Large UHD Rollable OLED Display at CES 2018

    LG Display Introduces Cutting-edge Large UHD Rollable OLED Display at CES 2018，and this OLED displays will be used in various aspects of everyday life,The newly-unveiled 65-inch rollable UHD OLED display especially highlights the distinctive technological edges and unlimited potential of OLEDs.

    What is the Function of Tunnel Projection Lamp

    When we drive through the tunnel, some people may be in a very dreamy state, while others are not uncommon. In fact, no matter what kind of people drive through the tunnel, safety comes first. Because when we enter the tunnel, we must drive at a specified speed, and there are restrictions on the lights of our cars, but careful people will find that when we drive into the tunnel, there are often tunnel projection lamps in the tunnel. There is no doubt that the tunnel projection lamp plays an illumination role first, but what is the use of the tunnel projection lamp besides illumination? Many people want to understand this problem.

    Are Splicing Module Tunnel Lights and Their Price Good?

    There are many different types of tunnel lights. Splicing module tunnel lights are one of them. When choosing, you need to make some comparison to find out whether the tunnel lights are good and suitable for you. The following points can help you learn about the performance of splicing module tunnel lights, whether the tunnel lights’ market price is high, and how to choose a good splicing module tunnel light.

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