Articles tagged with Display Technology
The study found that an 80% concentration of zirconium dioxide (ZrO2) and specific solvents leads to the highest pattern transfer efficiency. The conversion efficiency reaches impressive levels in the ultraviolet spectrum, paving the way for commercial viability of metasurfaces.
Researchers from the Institute for Basic Science created QLEDs using a ternary nanocomposite film that enhances carrier delivery to quantum dots, resulting in optimal device performance. The devices exhibit high brightness and low threshold voltage, with no damage when stretched up to 1.5 times.
The team created ten holograms with varying colors and shapes using an inverse design technique driven by artificial intelligence. They integrated an oblique helicoidal cholesterics-based wavelength modulator to accurately implement the designed holograms, enabling the establishment of an optical security system.
Researchers at Linképing University have developed a digital display screen where LEDs react to touch, light, fingerprints, and the user's pulse, among other things. The screen can also be charged through the screen due to its ability to act as solar cells.
Researchers pioneer technique to control polaritons, unlocking potential for next-generation materials and surpassing performance limitations of optical displays. The breakthrough enables stable generation of polariton particles with enhanced brightness and color control.
Conventional projection mapping systems work only in dark environments due to surrounding illumination. Researchers from Osaka University developed a method to control both image and illumination, allowing for realistic projections in bright environments. This technology enables interactive displays with multiple viewers under natural ...
Researchers at UNIST have developed a groundbreaking technology that enables the real-time display of colors and shapes through changes in nanostructures. Utilizing block copolymers, they achieved the self-assembly of photonic crystal structures on a large scale, mimicking natural phenomena observed in butterfly wings and bird feathers.
A team of researchers created an optical display technology using afterglow luminescent particles, enabling writing and erasure of messages underwater. The device exhibits resistance to humidity and maintains functionality even when submerged for prolonged periods.
Scientists have designed a highly luminescent electrogenerated chemiluminescence cell using an iridium complex and a mediator. The cell achieves peak luminance exceeding 100 cd/m² and maximum current efficiency of 2.84 cd/A⁻¹, representing the highest values reported for ECL cells based on an iridium complex.
Researchers developed a high-speed modulation system combining digital display with super-resolution imaging, significantly improving lateral and axial resolution. This enables detailed study of subcellular structures in animal cells and plant ultrastructures, paving the way for future biological discoveries.
Scientists at Durham University have found an unexpected way to achieve brighter, more efficient, and stable blue organic light-emitting diodes (OLEDs). The new design strategy uses 'hyperfluorescent' OLEDs, where energy is transferred from a 'sensitiser' molecule to a separate 'emitter' molecule.
GIST researchers develop tunable optical properties in nanostructures, enabling applications in wound healing, drug delivery, and secure verification. A clock-inspired design featuring magnesium nano-rotamers demonstrates programmable polarization-resolved coloration.
A team of scientists developed a color liquid crystal grating based 3D display system with a large viewing angle, eliminating chromatic aberration. The proposed system enables vivid reconstruction of 3D color objects without limitations.
A new NIL Metalens array enables the creation of next-generation true-3D near-eye displays with high resolution and wide field of view. The metalens array combines a commercial micro-display and achieves a see-through effect for augmented reality applications.
Researchers create supramolecular ink, a game-changing technology for OLED display manufacturing, enabling more affordable and environmentally sustainable products. The material can also be used in wearable devices, luminescent art, and 3D printing.
Researchers at KAIST have developed a micro-vacuum assisted selective transfer printing (µVAST) technology to improve the transfer of microLED chips. The technology uses laser-induced etching to create micro-hole arrays on glass substrates, allowing for precise alignment and higher adhesion switchability.
Researchers at the University of Michigan have developed blue phosphorescent OLEDs (PHOLEDs) that can maintain 90% of their blue light intensity for 10-14 times longer than other designs, making them potentially commercially viable. This breakthrough could enable the widespread use of blue PHOLEDs in OLED displays and lighting.
Waveguide combiners enable lightweight, high-performance augmented reality displays with expanded field of views. Designing waveguide combiner technology poses several challenges, including optimizing optical performance, manufacturability, and cost.
Researchers developed an innovative reflective display method using electro-microfluidic assembly of particles, enabling multicolored displays with high reversibility and viewing angles. The technique offers advantages in fabrication, response speed, and color performance, making it a promising candidate for green display technology.
Advances in VR display technology have overcome the 'screen door effect' by introducing 2117 PPI LCDs with high partition mini LED backlighting. This enhances contrast, color accuracy, and viewing angles, making VR experiences more immersive.
A research team at UNIST has developed a groundbreaking stretchable high-resolution multicolor synesthesia display that generates synchronized sound and light. This technology shatters preconceived boundaries in multifunctional displays, offering unparalleled optical performance and precise sound pressure levels.
Researchers at Osaka University developed a water-repelling nanostructured light diffuser that surpasses the functionality of other common diffusers. The diffuser uses randomly arranged self-cleaning nanopatterns to produce high transmittance and wide angular spread, making it useful for visual displays and energy-saving windows.
A new holographic 3D display system has been developed with a wider viewing angle of 73.4°, significantly improving over previously proposed systems. The system uses SLMs and liquid crystal grating to achieve this improvement.
Researchers have developed a new flexible adhesive with improved recovery capabilities and high adhesive strength, enabling applications in foldable displays and medical devices. The adhesive demonstrated remarkable stability under repeated deformation and strain, making it suitable for fields requiring flexibility and optical clarity.
Researchers have developed high-resolution near-eye displays with integrated light field technology, overcoming limitations of earlier displays. The new designs feature improved resolution, pixel density, and vision correction capabilities, resulting in enhanced visual comfort and immersive VR experiences.
Researchers from Meijo University and King Abdullah University of Science and Technology have developed high-performance micro-LEDs capable of meeting the brightness and definition demands of modern immersive reality technologies. The LEDs use gallium indium nitride semiconductors and can produce full-color imaging at high resolution.
Researchers have developed a new class of molecules that form a molecular highway for electrons, eliminating charge trapping and improving the efficiency of blue OLEDs. This design simplifies the production of high-efficiency blue light-emitting diodes.
A KAIST research team created a water-resistant, transparent, and flexible OLED using MXene nanotechnology. The material can emit and transmit light even when exposed to water. The study focused on producing an adequate encapsulation structure and suitable process design to improve the reliability of MXene OLED.
A KAUST-led team has developed a proton-mediated approach that produces multiple phase transitions in ferroelectric materials, potentially leading to high-performance memory devices. The method enables the creation of multilevel memory devices with substantial storage capacity, operating below 0.4 volts.
A new approach enables the precise transfer of thousands of microscopic semiconductor devices in a single shot, paving the way for large-scale arrays of optical components. The method is scalable, inexpensive, and can be used to manufacture micro-LED displays with high accuracy and resolution.
Researchers at the University of Illinois have developed a new type of flexible display that uses capillary-controlled robotic flapping fins and liquid droplets to create switchable optical and infrared light multipixel displays. The displays are 1,000 times more energy efficient than traditional LED screens.
A team of researchers developed an acoustic metasurface-based holography technique that uses a deep learning algorithm to generate and iteratively improve a hologram of the Mona Lisa. The technique successfully reconstructed the painting, with even greater detail in her left eye.
Researchers developed a new integral imaging-based tabletop light field 3D display with a large viewing angle of 68.7°, enabling users to view correct 3D images from large oblique positions. The display's compound lens array balances depth of field and 3D spatial resolution, resulting in superior imaging quality.
A POSTECH research team has successfully mass-produced metalenses for visible light, overcoming previous limitations in fabrication and efficiency. By combining photolithography and nanoimprint lithography, the team achieved high-speed production of high-performance lenses with improved efficiency up to 90%.
Researchers at UChicago found a surprising connection between photosynthesis and exciton condensates, a state that allows frictionless energy flow. The discovery could lead to more efficient materials and technologies, such as superconductors.
Scientists at Tokyo University of Science created a fracture-resistant alloy through heat-treatment, exhibiting improved elastocaloric properties and resistance to cyclical loads. The Cu-Zn-Al alloy showed significant increases in grain size, leading to enhanced cooling capabilities and paving the way for innovative refrigeration systems.
Scientists at the University of Chicago have created a new material that can bend in half or stretch to twice its original length while still emitting light. The stretchable OLED display has applications in wearable electronics, health sensors, and foldable computer screens.
Researchers have developed a new way to create dynamic ultrahigh-density 3D holographic projections, overcoming two long-existing bottlenecks in current digital holographic techniques. The new method enables realistic representations of the world around us for use in virtual reality and other applications.
Researchers have created a spray-on electronic component using zinc oxide nanocrystals, enabling flexible displays and devices. The material is versatile, biocompatible, and abundant, making it suitable for various applications in electronics, energy, sensing technologies, and more.
Researchers have developed a smart contact lens capable of implementing AR-based navigation using a novel electrochromic display technology. The device uses Prussian blue to display directions to the user in real-time, overcame limitations of existing AR devices.
Researchers developed a new prototype treatment using a human antibody that neutralizes neurotoxins from African and Asian elapid snakes, with potential for broader cross-reactivity. The treatment showed promising results in preventing death from venom envenoming in mice.
The article reviews the outlook of atomic layer deposition (ALD) based oxide semiconductor thin film transistors (TFTs), highlighting four benefits: in-situ composition control, vertical structure engineering, chemical reaction and film properties, and insulator and interface engineering. Despite these advantages, challenging issues re...
A new crosslinking strategy for organic-inorganic hybrid dielectric layers improves TFT performance by reducing leakage current and increasing stability. This approach enables low-power driving and easy manufacturing through solution processing, contributing to next-generation flexible electronic devices.
Georgia Tech researchers develop new process using 2D materials to create LED displays with smaller pixels, achieving an array density of 5,100 pixels per inch. The technology enables full-color realization of micro-LED displays, with potential applications in virtual and augmented reality.
The team developed a way to stack red, green, and blue light-emitting diodes to create vertical, multicolored pixels, enabling higher-resolution displays. This technique could enable fully immersive virtual reality experiences and improve digital screens' sharpness and resolution.
Researchers at Columbia Engineering's Lipson Nanophotonics Group create tunable and narrow-linewidth chip-scale lasers emitting light of different colors, including green, blue, and violet. These inexpensive lasers have the smallest footprint and shortest wavelength of any tunable and narrow-linewidth integrated laser emitting visible ...
Researchers at POSTECH have created a humidity-responsive display that changes brightness and color depending on humidity levels, allowing for infinite imaging capabilities. The technology uses polyvinyl alcohol (PVA) and single-step nanoimprinting to achieve high-tunability of holographic images.
Researchers at POSTECH developed high-performance n-type semiconductor Bi2S3 and p-type Te semiconductor through thermal evaporation, reducing energy consumption and environmental impact. This method can be integrated into standard OLED manufacturing, lowering production costs and contributing to the growth of sustainable electronics.
Researchers have summarized the latest developments in mass transfer techniques for large-scale and high-density microLED arrays. The techniques address key challenges such as interfacial adhesion mechanisms and process parameters to achieve high reliability and efficiency.
A team of researchers from Pohang University of Science & Technology (POSTECH) has created a fixed LiDAR sensor that can see objects in all directions. The new sensor uses a metasurface to expand its viewing angle, allowing for 360° recognition and three-dimensional imaging.
A team at Nagoya University has created a new type of mechanochromic material, fluorenylidene-acridane (FA), which changes color in response to mechanical pressure. The material's unique properties allow it to be quantitatively analyzed, enabling the measurement of its color change and structural changes with high spatial resolution.
Engineers at Rice University have discovered a way to manipulate light at the nanoscale that surpasses the traditional Moss rule for optical materials. The researchers found that iron pyrite has a high refractive index, making it suitable for applications such as virtual reality and 3D displays.
A novel metaholographic platform has been developed to detect light exposure, addressing concerns about light damage to vaccines and other biomedical substances. The technology can be used in intelligent packaging and labeling to prevent counterfeits and verify authenticity of products.
A new study from Tokyo Institute of Technology introduces a novel crystal engineering strategy to design ultrabright fluorescent solid dyes. This approach allows for monomeric emission and suppressed intermolecular interactions, enabling the creation of highly dense crystalline structures with controlled electronic properties.
Researchers from the Polish Academy of Sciences propose nitrogen-doped polycyclic aromatic hydrocarbons as potential OLED emitters, offering improved energy efficiency and color purity. The new compounds achieve high external quantum efficiencies, outperforming existing donor-acceptor emitters.
Researchers developed a color filter with metasurfaces that can display vivid images on a filter as thin as three strands of hair. The filter offers 120-170 times higher resolution than high-end smartphone screens and can control individual pixel colors for various applications.
Researchers at Aalto University developed a method to produce colors using gold nanocylinders suspended in a gel, controlled by custom DNA molecules. The technique uses polarized light to transmit specific colors depending on the orientation of the nanoparticles.
Scientists at Seoul National University created highly efficient large-area perovskite light-emitting diodes with an external quantum efficiency of 22.5%. The breakthrough technology uses colloidal perovskite nanocrystals, overcoming previous limitations in uniformity and mass production.
Researchers developed a 3D imaging technique that captures thin peripheral blood vessels, aiding in diagnosing and treating peripheral vascular diseases. The new modality provides functional diagnostic values for blood supply to tissues without contrast agents.
Scientists at Stanford University have created a stretchy display that can change shape in response to user interaction. The display uses elastic light-emitting polymers and has a maximum brightness two times that of a typical cellphone, allowing it to be stretched up to twice its original length without tearing.