DURHAM, N.C. and BOSTON, March 23 -- Semiconductor company Cree Inc. and Boston University (BU) announced they reached a settlement last week in a lawsuit brought against AXT Inc., of Fremont, Calif., in June 2003, alleging infringement of US Patent No. 5,686,738. The parties have agreed to dismissal of all claims and counterclaims. Financial terms were not disclosed. The patent, which Cree licenses from BU, relates to technology developed by Professor Theodore Moustakas for gallium nitride-based buffer layers used with sapphire and other substrates. Cree and the university alleged...Read full articleRelated content from Photonics MediaArticlesPolar Light Technologies Touts Micro-LED DevelopmentPolar Light Technologies has reported the development of 625 nm red light based on the company's non-etching, bottom-up fabrication concept. According to the company, the successful demonstration...Photonics.com 1/1/2025Active-passive GaN Scheme Shows Promise for Photonic IntegrationResearchers from Nanjing University have proposed an active-passive photonic integration scheme that showcases a photonic integrated circuit chip that combines a light source, modulator, photodiode,...Photonics Spectra September 2023 IssueBluGlass Secures $10.2M, Launches Entitlement OfferSemiconductor technology company and laser developer BluGlass has received $10.2 million in commitments from international and Australian investors via a share placement at an issue price of $0.06...Photonics.com 3/21/2023BluGlass Names its Company President Haden as CEOSemiconductor technology company BluGlass Ltd. has appointed company president Jim Haden to the position of CEO. Haden joined the company in September 2021. BluGlass named laser industry...BioPhotonics May/Jun 2023 IssueProductsWarm White LEDsThe SFT-40 series from Luminus Devices are high power warm white LEDs for applications including stadium, architectural, studio, stage, indoor directional, and surgical lighting. The LEDs utilize...Photonics Spectra January 2025 IssueRGB Mini Projector LEDsThe series of colored LEDs from ams OSRAM are RGB versions of the previously released OSTAR® Projection Compact LEDs. Using a 2-mm² chip, the LEDs have a high luminous output, with the...Photonics Spectra March 2024 IssueRGB LED ChipsetThe SFT-03X chipset from Luminus Devices is a red-green-blue (RGB) LED for industrial and consumer applications such as AR wearable displays, companion projectors for smartphones, screenless...Photonics.com 7/16/2024Masthead LightThe Contour Masthead Combination Light from Lumitec is an LED masthead/anchor light meant for nautical navigation applications. The light uses a lighter optical array design for combination with...Photonics.com 10/14/2024Photonics Handbook ArticlesIntegrating Spheres: Collecting and Uniformly Distributing LightAn integrating sphere’s function is to spatially integrate radiant flux (light). However, before one can optimize a sphere design for a particular application, it is important to understand how...Photonics HandbookMachine Vision Lighting: A First-Order ConsiderationIn the beginning, automated inspection focused on the camera and optics, the algorithms, the interface hardware and the processor. Only rarely was attention paid to the lighting system or lighting...Photonics HandbookImaging Colorimetry: Accuracy in Display and Light Source MetrologyThe market for flat panel displays (FPDs) has undergone tremendous growth, driven mostly by increased demand for televisions, cell phones, computers, digital cameras and MP3 players. Similarly,...Photonics HandbookColorimetry: How to Measure Color DifferencesThe use and importance of colorimetry has grown in unison with the increase of global manufacturing and processing. When plastic automotive trim produced on one continent must match a painted metal...Photonics HandbookWhite PapersPhotoluminescence and Electroluminescence Confocal Imaging of an OLEDThe optoelectronic properties of an OLED device are mapped using an RMS1000 Confocal Raman Microscope in spectral and time-resolved photoluminescence and electroluminescence imaging modes. These...Photonics.com 10/16/2023Tunable Bandpass Filters with Wide Deep Out-of-Band BlockingThis technical white paper describes how tunable bandpass filters with wide and deep out-of-band blocking can be built using continuously variable edge filters combined with homogeneous blocking...Photonics.com 4/3/2024Laser Light Engine Output StabilityIn this white paper, Dr. Iain Johnson, Lumencor’s Director of Technical Support, tests Lumencor’s laser-based CELESTA Light Engine for consistency, power, and stability using continuous wave...Photonics.com 1/10/2024Accuracy in Optical DesignAnswering some common questions new users of optical design and analysis software have are “How accurate are the results?” or “Can I trust the results I get?” and discussing the importance of...Photonics.com 9/29/2023WebinarsNew Directions in Microscopy IlluminationBelow is Michael Walsh's presentation - Join us for a FREE webinar: Wednesday, Aug. 13, 2014, 1 p.m. EDT New Directions in Microscopy Illumination In optical microscopy, light is...Photonics.com 8/13/2014OLED Display Technology Update and ForecastBarry Young, CEO of the OLED Association and an authority on the technology, presents a broad look at display applications utilizing OLEDs. In 2015, OLED displays had revenues of US$13.5b and it is...Photonics.com 5/12/2016Introduction to Display Metrology: Evaluating the Quality of Displays Using Scientific Systems and MethodsDisplay screens — on instruments ranging from smart devices to automotive displays to augmented and virtual reality headsets — influence the way individuals connect to the world....Photonics.com 11/17/2022OCT and Ophthalmology in the Age of Artificial IntelligenceThis webinar will provide an executive overview for leaders in imaging and ophthalmology on how artificial intelligence (AI) is transforming the field of medical imaging. Presenter Nishant Mohan will...Photonics.com 10/8/2019Photonics Dictionary TermsGaN-based LEDsGallium nitride-based light-emitting diodes (GaN-based LEDs) are semiconductor devices that emit light when an electric current passes through them. These LEDs are constructed using gallium nitride...Photonics DictionaryGaN distributed feedback lasersGaN (gallium nitride) distributed feedback (DFB) lasers refer to a specific type of semiconductor laser based on Gallium Nitride materials and designed with a distributed feedback structure. These...Photonics Dictionarysilicon carbide light-emitting diodesSilicon carbide (SiC) light-emitting diodes (LEDs) are semiconductor devices that emit light when an electric current is applied to them. These LEDs are made using silicon carbide as the...Photonics Dictionarygallium nitrideGallium nitride (GaN) is a compound made up of gallium (Ga) and nitrogen (N). It is a wide-bandgap semiconductor material that exhibits unique electrical and optical properties. Gallium nitride is...Photonics DictionaryMediaFaster Fiber & Telescopic Contacts - LIGHT MATTERS 07.03.2013-New Twist on Fiber - Fluorescent Fingerpringint - Cloaking This week on Light Matters: a new optical fiber puts a twist on data transmission, a telescopic contact lens helps the impaired see,...Photonics.com 7/3/2013Smart Vision Lights offers a hidden benefit at VISION 2024A top designer and manufacturer in machine vision lighting, Smart Vision Lights brought a list of new items to Stuttgart. Hidden Strobe solves the issues of strobing LEDs without complicated...Photonics.com 10/24/2024Breaking News: China Responds to U.S. Restrictions with Export Bans, VDMA Branch Elects New Chairperson, Executive BoardTensions between the U.S. and China are escalating. Chinese officials have announced new export bans after White House officials increased export restrictions on several Chinese companies. VDMA R+A...Photonics.com 12/5/2024Light Matters Extra: Center for Lighting Enabled Systems and Applications (LESA) - 08.2017On this episode of Light Matters Extra we take you to Rensselaer Polytechnic Institute (RPI) in Troy, New York, and introduce you to researchers at LESA -- the Center for Lighting Enabled Systems and...Photonics.com 8/28/2017Photonics Buyers' Guide CategoriesLenticular ScreensA lenticular screen is a rear or front projection screen composed of minute optical surfaces that introduce a spread to the light beam that conforms approximately to the light distribution...Nonsilica Glass Fiber Optic FibersFluorescent Light SourcesA fluorescent light source is a tube containing mercury vapor and lined with a phosphor. When current is passed through the vapor the strong ultraviolet emission excites the phosphor, which emits...Miniature Light SourcesCompaniesOxford InstrumentsOxford Instruments provides market-leading scientific technology and expertise to academic and commercial organizations worldwide. Oxford Instruments provides diverse solutions across photonics...Photonics Buyers' GuideIncom Inc.Incom is known as the world’s largest supplier of fused fiber optics solutions. We enable innovation in the medical, scientific, display, and defense industries. Combining the most progressive...Photonics Buyers' GuideIPG Photonics CorporationIPG Photonics is the world's leading provider of high power fiber lasers and fiber amplifiers that are revolutionizing performance and utility in a remarkable array of materials processing,...Photonics Buyers' GuideApre InstrumentsStay ahead of your competition with interferometers the meet today's manufacturing challenges. Äpre interferometers have the highest resolution, largest native aperture range, and lowest retrace...Photonics Buyers' Guide