摘要:
By repeating a purification process of a light-emitting organic compound several times, a thin film made of the light-emitting organic compound to be used in an EL display device contains ionic impurities at the concentration of 0.1 ppm or lower and has a volume resistivity in the range of 3×1010 &OHgr;cm or larger. By using such a thin film as a light-emitting layer in the EL device, a current caused by reasons other than the carrier recombination can be prevented from flowing through the thin film, and deterioration caused by unnecessary heat generation can be suppressed. Accordingly, it is possible to obtain an EL display device with high reliability.
摘要:
A liquid crystal electro-optical device comprising a pair of substrates at least one of them is light-transmitting, electrodes being provided on said substrates, and an electro-optical modulating layer being supported by said pair of substrates, provided that said electro-optical modulating layer comprises an anti-ferroelectric liquid crystal material or a smectic liquid crystal material which exhibits anti-ferroelectricity, and a transparent material.
摘要:
A first pair electrodes consisting of an anode to which a plurality of wiring lines to be anodized are connected and a cathode that is opposed to the anode, and a second pair electrodes for collecting impurities in a forming solution are immersed in a forming solution. A voltage is applied to the plurality of wiring lines in such a manner that at least one of the plurality of wiring lines receives the voltage for a different period than the other wiring lines.
摘要:
A liquid crystal electro-optical device which is a dispersion-type liquid crystal electro-optical device including an electro-optical modulating layer containing a liquid crystal material and a light-transmitting support, characterized by that there is established a force-relaxation portion for relaxing interfacial attractive force between said liquid crystal material and said light-transmitting support, and a process for fabricating the same. The dispersion-type liquid crystal electro-optical device according to the present invention can be driven with a low driving voltage and provides an extremely high contrast display.
摘要:
A display unit includes an optical modulation element for subjecting an incident light beam to optical modulation, and a coolant disposed in contact with an output side of the optical modulation element, wherein a focal distance of an output light beam of the optical modulation element is set to a predetermined distance in accordance with a length of the output light beam of the optical modulation element, which passes through the coolant.
摘要:
An electro-optical liquid crystal device comprises a pair of glass substrates, a liquid crystal layer disposed between the substrates, a transparent electrode arrangement formed on inside surfaces of the substrates in order to apply an electric field to the liquid crystal layer to modulate the optical characteristics of the liquid crystal layer. The liquid crystal layer consists of a number of liquid crystal capsules dispersed in a carrier which includes a dielectric material having a high dielectric constant. The dielectric constant of the liquid crystal layer is adjusted by selecting the amount of the dielectric material contained in the liquid crystal layer.
摘要:
A liquid crystal electro-optical device which is a dispersion-type liquid crystal electro-optical device comprising an electro-optical modulating layer containing a liquid crystal material and a light-transmitting support, characterized by that there is established a force-relaxation portion for relaxing interfacial attractive force between said liquid crystal material and said light-transmitting support, and a process for fabricating the same. The force-relaxation portion can be an uncured transparent resinous material, a material obtained by decomposing the liquid crystal, a reformed surface portion, or a material selected from the group selected from lecithin, stearic acid, hexadecyltrimethylammonium bromide, octadecylmalonic acid, dibasic fatty acids, crown ethers, octadecylamine hydrochloride, and hexamethyldisilazane.
摘要:
A liquid crystal electro-optical device based on a dispersion-type liquid crystal, comprising a pair of substrates at least one of which is light-transmitting, having established thereon electrodes and an electro-optical modulating layer having incorporated between said pair of substrates, said electro-optical modulating layer being composed of a resin support having dispersed therein a liquid crystal material, wherein, the liquid crystal material as viewed in the cross section is dispersed in the resin support as droplets flattened along the direction parallel to the substrates. The dispersion-type liquid crystal electro-optical device according to the present invention has a high scattering efficiency and provides an excellent light-transmittance upon application of an electric field.
摘要:
A method of forming an insulated, non-linear, multi-layered, electronic element on a transparent substrate by surrounding the element with a photosensitive organic resin layer and exposing the photosensitive layer to light from the side of the transparent substrate, the photosensitive layer being heat-hardened before and after the light exposure thereof so that the resulting insulating layer prevents electrical short circuits between the layers of the non-linear, multi-layered, electronic element.
摘要:
An improved liquid crystal filling device is shown. Prior to joining a substrate with another substrate between which the liquid crystal is to be charged, the liquid crystal is dropped on the substrate and then the other substrate is superimposed on the substrate under pressure. Sandwiched between the substrates, the liquid crystal spreads at high temperature.