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Mini-LED, Micro-LED and OLED displays: present status and future perspectives Open
Presently, liquid crystal displays (LCDs) and organic light-emitting diode (OLED) displays are two dominant flat panel display technologies. Recently, inorganic mini-LEDs (mLEDs) and micro-LEDs (μLEDs) have emerged by significantly enhanci…
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Mini-LED and Micro-LED: Promising Candidates for the Next Generation Display Technology Open
Displays based on inorganic light-emitting diodes (LED) are considered as the most promising one among the display technologies for the next-generation. The chip for LED display bears similar features to those currently in use for general …
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Aluminum‐Doped Cesium Lead Bromide Perovskite Nanocrystals with Stable Blue Photoluminescence Used for Display Backlight Open
Bright and stable blue emitters with narrow full‐width at half‐maxima are particularly desirable for applications in television displays and related technologies. Here, this study shows that doping aluminum (Al 3+ ) ion into CsPbBr 3 nanoc…
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Realizing Rec 2020 color gamut with quantum dot displays Open
We analyze how to realize Rec. 2020 wide color gamut with quantum dots. For photoluminescence, our simulation indicates that we are able to achieve over 97% of the Rec. 2020 standard with quantum dots by optimizing the emission spectra and…
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Ceramic-like stable CsPbBr3 nanocrystals encapsulated in silica derived from molecular sieve templates Open
Achieving good stability while maintaining excellent properties is one of the main challenges for enhancing the competitiveness of luminescent perovskite CsPbX 3 (X=Cl, Br, I) nanocrystals (NCs). Here, we propose a facile strategy to synth…
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Micro-LEDs, a Manufacturability Perspective Open
Compared with conventional display technologies, liquid crystal display (LCD), and organic light emitting diode (OLED), micro-LED displays possess potential advantages such as high contrast, fast response, and relatively wide color gamut, …
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Recent Progress in Micro‐LED‐Based Display Technologies Open
The demand for high‐performance displays is continuously increasing because of their wide range of applications in smart devices (smartphones/watches), augmented reality, virtual reality, and naked eye 3D projection. High‐resolution, trans…
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Hybrid Metal Halides with Multiple Photoluminescence Centers Open
Very little is known about the realm of solid‐state metal halide compounds comprising two or more halometalate anions. Such compounds would be of great interest if their optical and electronic properties could be rationally designed. Herei…
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High dynamic range liquid crystal displays with a mini-LED backlight Open
We analyze the performance of high dynamic range liquid crystal displays (LCDs) using a two-dimensional local dimming mini-LED backlight. The halo effect of such a HDR display system is investigated by both numerical simulation and human v…
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Going beyond the limit of an LCD’s color gamut Open
In this study, we analyze how a backlight's peak wavelength, full-width at half-maximum (FWHM), and color filters affect the color gamut of a liquid crystal display (LCD) device and establish a theoretical limit, even if the FWHM approache…
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Full-Color Realization of Micro-LED Displays Open
Emerging technologies, such as smart wearable devices, augmented reality (AR)/virtual reality (VR) displays, and naked-eye 3D projection, have gradually entered our lives, accompanied by an urgent market demand for high-end display technol…
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Highly efficient narrow-band green and red phosphors enabling wider color-gamut LED backlight for more brilliant displays Open
In this contribution, we propose to combine both narrow-band green (β-sialon:Eu(2+)) and red (K(2)SiF(6):Mn(4+)) phosphors with a blue InGaN chip to achieve white light-emitting diodes (wLEDs) with a large color gamut and a high efficiency…
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Analysis of circadian properties and healthy levels of blue light from smartphones at night Open
This study proposes representative figures of merit for circadian and vision performance for healthy and efficient use of smartphone displays. The recently developed figures of merit for circadian luminous efficacy of radiation (CER) and c…
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Holographic optics for thin and lightweight virtual reality Open
We present a class of display designs combining holographic optics, directional backlighting, laser illumination, and polarization-based optical folding to achieve thin, lightweight, and high performance near-eye displays for virtual reali…
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Effect of the mounting membrane on shape in inertial confinement fusion implosions Open
The performance of Inertial Confinement Fusion targets relies on the symmetric implosion of highly compressed fuel. X-ray area-backlit imaging is used to assess in-flight low mode 2D asymmetries of the shell. These time-resolved images of …
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High-Brightness and Color-Tunable FAPbBr<sub>3</sub> Perovskite Nanocrystals 2.0 Enable Ultrapure Green Luminescence for Achieving Recommendation 2020 Displays Open
To best catch human eyes in next-generation displays, the updated recommendation 2020 (Rec. 2020) standard has called for ultrapure green emitters to be qualified with a narrow emission of 525-535 nm with a full width at half-maximum (fwhm…
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Hybrid downconverters with green perovskite-polymer composite films for wide color gamut displays Open
We propose to use a hybrid downconverter system comprising low-cost green perovskite-polymer composite films for liquid crystal display (LCD) backlight unit (BLU) to realize wide color gamut. Recently, ultrastable, highly luminescent CH3NH…
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Analysis of wide color gamut of green/red bilayered freestanding phosphor film-capped white LEDs for LCD backlight Open
In this study, we propose green/red bilayered freestanding phosphor film-capped white light-emitting diodes (W-LEDs) using InGaN blue LEDs and narrowband red and green phosphors to realize a wide color gamut in a liquid crystal display (LC…
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Halo effect in high-dynamic-range mini-LED backlit LCDs Open
We develop an optical model including the glare effect in the human vision system to analyze the halo effect of high-dynamic-range (HDR) mini-LED backlit liquid crystal displays (LCDs). In our model, an objective function is first introduc…
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Pixel-by-pixel local dimming for high-dynamic-range liquid crystal displays Open
We propose a high dynamic range (HDR) liquid crystal display (LCD) with pixel-level local dimming. The device structure consists of a pixelated LCD dimming panel to control the backlight intensity entering the master LCD panel. According t…
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Efficient All‐Perovskite White Light‐Emitting Diodes Made of In Situ Grown Perovskite‐Mesoporous Silica Nanocomposites Open
Metal halide perovskite quantum dots (QDs) have emerged as potential materials for high brightness, wide color gamut, and cost‐effective backlight emission due to their high photoluminescence quantum yields, narrow emission linewidths, and…
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A platform for studying the Rayleigh–Taylor and Richtmyer–Meshkov instabilities in a planar geometry at high energy density at the National Ignition Facility Open
A new experimental platform has been developed at the National Ignition Facility (NIF) for studying the Rayleigh–Taylor (RT) and Richtmyer–Meshkov (RM) instabilities in a planar geometry at high-energy-densities. The platform uses 60 beams…
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Realization of 95% of the Rec 2020 color gamut in a highly efficient LCD using a patterned quantum dot film Open
An optically efficient liquid-crystal display (LCD) structure using a patterned quantum dot (QD) film and a short-pass filter (SPF) was proposed and fabricated. The patterned QD film contributed to the generation of 95% in the area ratio (…
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Perovskite Quantum Dots for Emerging Displays: Recent Progress and Perspectives Open
The excellent luminescence properties of perovskite quantum dots (PQDs), including wide excitation wavelength range, adjustable emission wavelength, narrow full width at half maximum (FWHM), and high photoluminescence quantum yield (PLQY),…
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Engineering of Semiconductor Nanocrystals for Light Emitting Applications Open
Semiconductor nanocrystals are rapidly spreading into the display and lighting markets. Compared with liquid crystal and organic LED displays, nanocrystalline quantum dots (QDs) provide highly saturated colors, wide color gamut, resolution…
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Perovskite Emitters as a Platform Material for Down‐Conversion Applications Open
Methods to overcome the instability of perovskites to moisture, light, and heat in down‐converted displays (DCDs), in which films of perovskite emitters are placed on top of the backlight unit and convert its light to a desired color, are …
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Flexible/curved backlight module with quantum-dots microstructure array for liquid crystal displays Open
We present a backlight module (BLM) employing a photoluminescent quantum-dot microstructure array for flexible/curved liquid crystal displays (LCDs). Differently sized quantum-dot (QD) BLMs were prepared based on the theoretical spectral m…
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From Focal Stack to Tensor Light-Field Display Open
We propose a method of using a focal stack, i.e., a set of differently focused images, as the input for a novel light field display called a "tensor display." Although this display consists of only a few light attenuating layers located in…
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Ultra‐Stable Yellow Monolithic Perovskite Quantum Dots Film for Backlit Display Open
Perovskite quantum dots (PeQDs) are seen as the credible alternative to traditional QDs ascolor converter in liquid crystal display (LCD). Unfortunately, PeQDs sufferfrom instability and color separation, and the prepared PeQDs enhanced fi…
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Change of blue light hazard and circadian effect of LED backlight displayer with color temperature and age Open
In order to provide a theoretical reference for the personalized design and color temperature adjustment of LED backlight displayer, the spectral distribution of the LED backlight displayer at different color temperatures (1200-6500K) was …