Dimmable dimming attenuator for liquid crystal displays

LORRAIN SYSTEMS provides modular data centers, thermal containment, intelligent PDU, 800G transceivers, liquid cooling, AI interconnects, and edge networking solutions for sustaina...

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Dec 02, 2025

An Adaptive Algorithm of Local dimming for Liquid

Abstract and Figures The local dimming backlight technique enables liquid crystal display to present images with high contrast ratio and low power

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Sep 12, 2025

A clipping reduction algorithm using backlight luminance

Local dimming techniques cause clipping artifacts in liquid crystal displays. To overcome the problems associated with the artifacts, the backlight luminance should be adjusted, but this process increases

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Dec 22, 2025

Low power active dimming liquid crystal display with high resolution

A new low power active dimming algorithm in LCD applications with high resolution backlights such as 1-D and 2-D is demonstrated. Simulation results verify that the proposed

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Apr 17, 2026

A Liquid Crystal-Based Tunable Millimeter-Wave Attenuator Design

This article introduces a novel design for a tunable millimeter-wave (MMW) attenuator utilizing liquid crystal (LC) material. The design features a microstrip transmission line integrated with multiple,

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Jun 13, 2026

Pixel-by-pixel local dimming for high-dynamic-range

We propose a high dynamic range (HDR) liquid crystal display (LCD) with pixel-level local dimming. The device structure consists of a pixelated LCD

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Nov 12, 2025

CES & AR/VR/MR Pt. 4 – FlexEnable''s Dimming,

FlexEnable has many device structures for making interesting optical technologies that combine custom liquid crystal (LC), Tri-acetyl cellulose (TAC)

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Aug 31, 2025

Electrochromic devices for dimming and display in augmented reality

Assembly of dimmable black ZECDs is feasible via pairing complementary ECLs, and they can be employed as dimming devices for ARSGs under various luminance levels while fulfilling

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May 30, 2026

How to reduce light leakage and clipping in local‐dimming liquid

“RGB color systems for LED backlight in IPS-LCD TVs” “Dynamic contrast enhancement of liquid-crystal displays with backlight modulation,” Intl. Conf. on Consumer Electronics Digest of

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Feb 17, 2026

A backlight dimming algorithm based on visual perception for liquid

We propose an algorithm to dim the backlight of liquid crystal displays to reduce power consumption by finding a gray level that minimizes the change of luminance and combining conventional algorithm

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Jun 12, 2026

Dynamic backlight dimming using multiple histograms for low power

This paper presents a dynamic backlight dimming algorithm that uses multiple histograms. The proposed method greatly reduces gray-level error for some pixels wh

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Jan 15, 2026

Plasmonic Variable Optical Attenuator Based on Liquid-Crystal

A long-range surface plasmon polariton variable optical attenuator based on available nematic liquid crystals and polymers is proposed and theoretically investigated. It is demonstrated

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Jan 29, 2026

Compact laser module with a high-speed liquid crystal attenuator for

Many kinds of head mount displays (HMDs) and head up displays (HUDs) have been appeared on the HMD / HUD early adaptor market. Many of them have become equipped with see-through capability

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Aug 13, 2025

Advanced liquid crystal-based switchable optical devices for light

Second, we introduce several classes of light modulation principles based on liquid crystal materials and demonstrate the feasibility of using them for light protection.

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Mar 08, 2026

Local Backlight Dimming for Liquid Crystal Displays via Convolutional

This paper presents a new local backlight dimming (LBD) for liquid crystal displays (LCD) method based on a convolutional neural network (CNN). Many previous LB.

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Jun 15, 2026

How to reduce light leakage and clipping in local

High dynamic range (HDR) displays based on liquid crystal panels require local dimming algorithms to reproduce content with high fidelity and HDR.

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Feb 26, 2026

Liquid Crystal Variable Attenuator

Meadowlark Optics'' Liquid Crystal Variable Attenuator (LCVA) offers real-time, continuous control of light intensity. Our attenuator consists of an LC Variable Retarder (with attached compensator) operating

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Sep 13, 2025

Optimized mini-LED backlight local dimming algorithm for high

Until now, there is no suitable local dimming algorithm for LCDs with mini-LED backlight, which can take into account the display performance and power consumption when displaying

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Aug 09, 2025

Improving Edge Quality of Liquid Crystal Display 3D Printing Using

The burgeoning advancements in Light Emitting Diode (LED) technology have opened avenues for applications beyond traditional display and lighting, notably in the realm of 3D printing. This study

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Mar 24, 2026

Toward effective local dimming-driven liquid crystal displays: a deep

Local backlight dimming (LBD) is a promising technique for improving the contrast ratio and saving power consumption for liquid crystal displays. LBD consists of two crucial parts, i.e., backlight

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Mar 09, 2026

42‐2: Invited Paper: Advanced LC dimmer technology for AR glasses

We introduce the first dynamic liquid crystal dimmer for AR headsets, enabling adaptive ambient light control. The system''s segmented dimming capability selectively adjusts display areas to

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Mar 21, 2026

High Performance Liquid Crystal Devices for Augmented Reality and

A dual-stimuli polarizer-free dye-doped liquid crystal (LC) device is demonstrated as a dimmer. Upon UV/blue light exposure, the LC directors and dye molecules turn from initially vertical alignment (high

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Mar 27, 2026

Adaptive one-dimensional dimming technique for liquid

In this paper, we propose an adaptive 1-D dimming technique for reducing the power consumption and increasing the image quality of LCDs.

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Jun 10, 2026

A Novel Local Dimming Approach by Controlling LCD

The purpose of this study is to explore how to optimize the local dimming method of LCD to achieve higher contrast and lower power consumption

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Mar 02, 2026

High dynamic range liquid crystal displays with a mini-LED backlight

Abstract: 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

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