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smartphones News
Hyperfluorescent Blue OLEDs Boost Display Efficiency, Stability
DURHAM, England, Feb. 22, 2024 — Commercial OLED applications such as display technologies require blue emitters that are more stable and efficient. This need has been intensified by newly proposed power-efficient OLED display architectures that only use blue pixels with external fluorescent color conversion layers. A Durham University team took an unexpected approach to improving blue light emission in OLEDs. The team used sensitizer molecules long considered poor emitters, like ACRSA, to enable brighter, more efficient
Material Offers Efficient, Sustainable Emission for OLEDs
BERKELEY, Calif., Feb. 6, 2024 — A new, 3D-printable material that is a highly efficient emitter could lead to cheaper, more sustainable manufacturing processes for OLED devices. The material, called supramolecular ink, demonstrated the ability to convert nearly all absorbed light...
Mobile-Based Image Reconstruction App Can Be Used at Point of Care
AMES, Iowa, May 2, 2023 — A mobile phone application for photoacoustic tomography (PAT) image reconstruction has demonstrated performance comparable to that of applications implemented on laptop computers and workstations. The first-of-its-kind application was developed by a...
Seeing Red: InGaN Microdisplay Sharpens AR Glasses
CAMBRIDGE, England, Oct. 25, 2021 — A microdisplay developed by University of Cambridge spinout Porotech is expected to accelerate the development and commercialization of augmented reality glasses. The company reports that the microdisplay is the first based on native red indium...
Smartphone-Measured Photoplethysmography Serves as Digital Biomarker of Diabetes
SAN FRANCISCO, Aug. 24, 2020 — A noninvasive digital biomarker is being developed at the University of California, San Francisco (UCSF) for detecting Type 2 diabetes using a smartphone camera and deep learning algorithm. This innovation could provide a low-cost, in-home...
Sony Image Sensor Comes with Built-In AI
TOKYO, May 22, 2020 — Sony Corp. has presented the world’s first image sensors with built-in artificial intelligence, saying the technology will make data-gathering tasks faster and more secure. Calling it the first of its kind, Sony said the technology would give...
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Advancements in Holography Usher In Sci-Fi-Inspired Devices
Dec 3, 2019 — The 1971 Nobel Prize in physics was awarded to the Hungarian-British electrical engineer Dennis Gabor for inventing the field of holography. It wasn’t until six years later, however, that the discipline would gain widespread recognition. In...
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New Lens Could Provide Thermal Imaging Capabilities in More Compact Camera
SALT LAKE CITY, Oct. 15, 2019 — University of Utah researchers have developed a new kind of flat optical lens that is much thinner and lighter than conventional camera lenses. While conventional lenses for smartphone cameras are a couple of millimeters thick, the ultrathin lens is...
Face Recognition Systems and Consumer Devices
Sep 3, 2019 — Many forms of biometric authentication are technically feasible, but one in particular has won acceptance in use cases that call for high security and minimal intrusiveness for the user: face recognition. Today, most people’s interactions with face...
AI-Based Portable App Could Help Growers Prevent Production Losses
CALI, Colombia, Aug. 14, 2019 — Deep convolutional neural networks (DCNN) and transfer learning are being applied to just-in-time crop disease detection, through the introduction of a new smartphone tool developed for banana farmers that scans plants for signs of disease and...
Display Manufacturing Enriches Consumer Products
Jul 16, 2019 — Consumer electronics are growing more sophisticated, at breakneck speed and with remarkable advancements in technology and refinement. A highly visible example is the ever-increasing picture clarity in large-screen TVs, and in the evolution of...
Optical Device for Remote Diagnoses Stores Retina Images in the Cloud
SÃO CARLOS, Brazil, July 1, 2019 — Phelcom Technologies has created a portable device that is connected to a smartphone and that takes precise images of the retina to detect back-of-the-eye (fundus) disease. Called the Eyer, the optical device, which is connected to the...
Optically Invisible Antennas Could Empower 5G Devices
POHANG, South Korea, May 7, 2019 — Researchers at Pohang University of Science & Technology (POSTECH) developed a way to build optically invisible antennas that could be embedded within superresolution displays. The Antenna-on-Display (AoD) technology could provide an alternative...
Low-Powered VCSELs Find a Wide Variety of Uses
Oct 25, 2018 — By the end of 2018, nearly 1 million sq ft of new production space will have opened in the previous two years — space dedicated to making some of the world’s smallest and least power-hungry lasers. Known as vertical-cavity...
Display Manufacturing Enriches High-Tech Products
Oct 24, 2018 — Consumer electronics are growing more sophisticated, at breakneck speed and with remarkable advances in technology and refinement. A highly visible example is the ever-increasing picture clarity in large-screen TVs, and in the evolution of...
PHADE in: pedestrian surveillance with sensors, cameras
Oct 4, 2018 — The Governors Highway Safety Association reports that 5984 pedestrians were killed in 2017 by cars or other moving vehicles, a 33-year high, while other kinds of traffic deaths have decreased. This is a growing problem in the U.S. as more and more...
ams VCSEL Used for Android Face Recognition
PREMSTAETTEN, Austria, Aug. 11, 2018 — Sensor supplier ams AG announced that its low-power IR vertical-cavity surface-emitting laser (VCSEL) emitter, the PMSIL, is enabling the world’s first implementation of user face recognition in a smartphone based on the Android platform....
Image Sensor Imperfection Thwarts Cybercriminals’ Best Efforts
Jan 31, 2018 — The digital cameras in smartphones are built to be identical for each model of phone. However, manufacturing imperfections create tiny variations in each camera’s image sensors. These imperfections could prevent identity theft more safely than...
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Delivering Optical Devices to the Medical Market
Mar 1, 2016 — Medical optics is big business. The global market for medical device technologies is expected to reach $538.7 billion in 2018, registering a compound annual growth rate (CAGR) of 5.5 percent over five years, according to market analysts at BCC...
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Consumers and Cost Are Driving Infrared Imagers into New Markets
Apr 3, 2015 — Once the exclusive domain of the military, infrared imagers are now taking commercial applications by storm, thanks to lower prices and better technology. In fact, it seems the only limit to this flourishing technology is our imagination....
Silicon Labs Unveils First Digital UV Index Sensors
AUSTIN, Texas, Feb. 10, 2014 — The demand for UV detection in consumer electronics is growing, challenging researchers industrywide to create a compact, efficient and accurate sensor. Silicon Labs has done just that.
DOC to Cease Manufacturing
SAN JOSE, Calif., Jan. 17, 2014 — DigitalOptics (DOC) will cease its remaining mems|cam manufacturing operations as it restructures, cutting hundreds of jobs, parent company Tessera Technologies Inc. said Thursday. The company, with operating subsidiaries in Intellectual Property...
Glasses-free 3-D could be coming to a mobile display near you
PALO ALTO, Calif. – While developing optical interconnect technology, engineers at Hewlett-Packard Laboratories realized what they had created could be much more: a multiangle, glasses-free 3-D display technology for mobile devices. Dr. David Fattal is a member of...
Glasses-Free 3-D Display Well Suited for Mobile Devices
PALO ALTO, Calif., March 27, 2013 — A new glasses-free 3-D display based on diffractive optics modulates at video rates and shows images that can be viewed from multiple angles even when the display is tilted, making it well suited for mobile devices.
Photonics Accelerates Bandwidth Race
Feb 1, 2013 — Technological developments in photonics are the future of mobile communications, from speedy interconnects to novel types of fibers and lasers. How remarkable that the first iPhone was released just over five years ago, back in the...
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April 2024
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