A Liquid Crystal Multifilter System for Diascopic Microscopy

Temperature Tunability of Dielectric/ Liquid Crystal / Dielectric Photonic Crystal Structures

Recently, photonic crystals doped with liquid crystal (LC) material havegained much research interest. In this article new ternary one-dimensional photoniccrystal introduced and studied. The liquid crystal layer of 5CB and 5PCH is sandwichedby two dielectric layers. For the first time, we use four structures SiO2/UCF35/CaF2,SiO2/5CB/CaF2, NFK51/UCF35/NPSK53 and NFK51/5CB/NPSK53. The effect ofte...

Columnar liquid crystal as a unique ferroelectric liquid crystal

Automatic vision system for final test of liquid crystal displays

This paper describes algorithms and hardware of the automatic output check system for liquid crystal dismain algorithmic dificulty of LCD check problem is detection of little defects in real time. To do this, the algorithm utilizing a priori information was designed. The methods used for functional LCD check do not require any human interference for its accommodation to new LCD types.

High Performance Buffer Amplifier for Liquid Crystal Display System

A high performance and buffer amplifier for liquid crystal display system is presented here. The proposed architecture contains self biased RAIL TO RAIL complementary differential pair , and class B output driving stage which is suitable for large and small size liquid crystal display, compensation capacitor and resistance are used to improve the settling time and slew rate of the buffer amplif...

Automatic Mura Detection System for Liquid Crystal Display Panels

In this paper, we propose an automatic inspection system, which can automatically detect four types of muras on an LCD panel: cluster mura, v-band mura, rubbing mura, and light leakage mura. To detect cluster muras, the Laplacian of Gaussian (LOG) filter is used. A multi-resolution approach is proposed to detect cluster muras of different scales. To speed up the processing speed, this multi-res...