Junyu Zou
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View article: An Analysis of Translation Strategies Used in External Publicity News from China Daily Based on Functional Equivalence Theory
An Analysis of Translation Strategies Used in External Publicity News from China Daily Based on Functional Equivalence Theory Open
As one of Chinas most influential news media, China Daily is also an important window for people worldwide to know about the country. This research aims to select four news reports from China Daily and their corresponding English translati…
View article: 52‐1: Ultracompact Virtual Reality System
52‐1: Ultracompact Virtual Reality System Open
We demonstrate an ultracompact virtual reality (VR) system with thickness of about 1‐cm. In this system, the imaging optics consists of a lenslet array, a deflector array, and a Pancharatnam‐Berry deflector (PBD). We have experimentally de…
View article: Reducing the Power Consumption of VR Displays with a Field Sequential Color LCD
Reducing the Power Consumption of VR Displays with a Field Sequential Color LCD Open
To achieve 60 pixels per degree (PPD) and 100° field of view (FoV) while keeping a reasonably high aperture ratio for active-matrix liquid crystal displays (LCDs), field sequential color (FSC) is a promising approach. We evaluate the physi…
View article: Ultracompact virtual reality system with a Pancharatnam–Berry phase deflector
Ultracompact virtual reality system with a Pancharatnam–Berry phase deflector Open
We propose an ultracompact virtual reality (VR) system with three optical components: a lenslet array, a Pancharatnam-Berry phase deflector (PBD), and a deflector array. The lenslet array aims to collect and collimate the input light from …
View article: Correcting the wavelength-induced phase deviation of Pancharatnam-Berry lenses
Correcting the wavelength-induced phase deviation of Pancharatnam-Berry lenses Open
Liquid-crystal-based Pancharatnam-Berry optical elements are widely used in virtual reality and augmented reality. However, the mismatch between exposure wavelength and operating wavelength leads to an undesirable phase deviation to the le…
View article: Advanced liquid crystal devices for augmented reality and virtual reality displays: principles and applications
Advanced liquid crystal devices for augmented reality and virtual reality displays: principles and applications Open
Liquid crystal displays (LCDs) and photonic devices play a pivotal role to augmented reality (AR) and virtual reality (VR). The recently emerging high-dynamic-range (HDR) mini-LED backlit LCDs significantly boost the image quality and brig…
View article: Gaze‐Matched Pupil Steering Maxwellian‐View Augmented Reality Display with Large Angle Diffractive Liquid Crystal Lenses
Gaze‐Matched Pupil Steering Maxwellian‐View Augmented Reality Display with Large Angle Diffractive Liquid Crystal Lenses Open
Maxwellian‐view structure exhibits several advantages in augmented reality (AR) displays, such as high efficiency, always‐in‐focus (no vergence‐accommodation conflict (VAC)), and simple optical structure. However, the bottleneck of Maxwell…
View article: Optimizing the display performance for virtual reality systems
Optimizing the display performance for virtual reality systems Open
We propose a systematic optimization method for two commonly used display devices, organic light-emitting diode (OLED) display and liquid crystal display (LCD), for virtual reality (VR) headsets. An optical simulation model for the VR syst…
View article: Fast-Response Liquid Crystals for 6G Optical Communications
Fast-Response Liquid Crystals for 6G Optical Communications Open
We report two high birefringence and low viscosity nematic mixtures for phase-only liquid-crystal-on-silicon spatial light modulators. The measured response time (on + off) of a test cell with 2π phase change at 1550 nm, 5 V operation volt…
View article: Doubling the optical efficiency of VR systems with a directional backlight and a diffractive deflection film
Doubling the optical efficiency of VR systems with a directional backlight and a diffractive deflection film Open
We demonstrate an approach to double the optical efficiency of virtual reality (VR) systems based on a directional backlight and a diffractive deflection film (DDF). The directional backlight consists of a commercial collimated light-emitt…
View article: Virtual reality and augmented reality displays: advances and future perspectives
Virtual reality and augmented reality displays: advances and future perspectives Open
Virtual reality (VR) and augmented reality (AR) are revolutionizing the ways we perceive and interact with various types of digital information. These near-eye displays have attracted significant attention and efforts due to their ability …
View article: Fast-Response Liquid Crystal for Spatial Light Modulator and LiDAR Applications
Fast-Response Liquid Crystal for Spatial Light Modulator and LiDAR Applications Open
We report a new nematic mixture for liquid-crystal-on-silicon spatial light modulator (SLM) and light detection and ranging (LiDAR) applications. The mixture exhibits a relatively high birefringence (Δn), moderate dielectric anisotropy (Δɛ…
View article: Maxwellian near-eye display with an expanded eyebox
Maxwellian near-eye display with an expanded eyebox Open
Maxwellian view systems can be employed to circumvent the vergence-accommodation conflict in near-eye displays (NEDs), which directly project images onto the retina regardless of the human eye’s depth of focus. However, Maxwellian view opt…
View article: Halo effect in high-dynamic-range mini-LED backlit LCDs
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…
View article: Fast-Response Liquid Crystal Phase Modulators with an Excellent Photostability
Fast-Response Liquid Crystal Phase Modulators with an Excellent Photostability Open
We report a new mixture, which is modified from Merck TL-216, for liquid-crystal-on-silicon spatial light modulators (SLMs). To achieve 2π phase change at λ = 633 nm with 5 V operation voltage, the measured response time is about 3 ms at 5…
View article: High dynamic range head-up displays
High dynamic range head-up displays Open
We demonstrate a full-color high dynamic range head-up display (HUD) based on a polarization selective optical combiner, which is a three-layer cholesteric liquid crystal (CLC) film. Such a CLC film has three reflection bands corresponding…
View article: Issue Information
Issue Information Open
No abstract is available for this article.
View article: Multifocal displays: review and prospect
Multifocal displays: review and prospect Open
Conventional stereoscopic three-dimensional displays suffer from vergence- accommodation conflict because the stimulus to accommodation is fixed by the display panel and viewing optics, but that to vergence changes with image contents. Wit…
View article: Broadband wide-view Pancharatnam–Berry phase deflector
Broadband wide-view Pancharatnam–Berry phase deflector Open
We demonstrate a high-efficiency achromatic, wide-view Pancharatnam–Berry phase deflector (PBD) based on a three-layer multi-twist structure. A practical method to measure the thickness and twist angle of liquid crystal (LC) polymer films …
View article: Supplementary document for Halo effect in high-dynamic-range mini-LED backlit LCDs - 4935452.pdf
Supplementary document for Halo effect in high-dynamic-range mini-LED backlit LCDs - 4935452.pdf Open
Supplement 1
View article: Practical Chromatic Aberration Correction in Virtual Reality Displays Enabled by Cost‐Effective Ultra‐Broadband Liquid Crystal Polymer Lenses
Practical Chromatic Aberration Correction in Virtual Reality Displays Enabled by Cost‐Effective Ultra‐Broadband Liquid Crystal Polymer Lenses Open
Chromatic aberration (CA) is a critical issue in immersive virtual reality displays. The current digital compensation method can reduce the CA by pre‐processing the image contents but at the cost of extra memory space, processing time, and…
View article: Wavelength-multiplexed multi-focal-plane seethrough near-eye displays
Wavelength-multiplexed multi-focal-plane seethrough near-eye displays Open
We demonstrate a multi-focal-plane see-through near-eye display with effective focus cues enabled by wavelength multiplexing. A spectral notch filter is implemented as the wavelength-sensitive depth separation element. The vergence-accommo…