摘要:
An organic electroluminescence (EL) device including an electron transport layer formed between a pair of electrodes, wherein the electron transport layer contains 50˜99.9 wt % of alcohol-soluble polymer and 0.1˜50 wt % of electron transporting material. In the EL device according to the present invention, the electron transport layer can be formed through a spin-coating without damage to the light-emitting layer. Thus, the manufacture process for the organic EL device is simplified, and the time and cost required for the manufacture are reduced.
摘要:
A light-emitting compound and a display device adopting the light-emitting compound as a color-developing substance. When the display device adopts an organic layer formed of such light-emitting compound as a blue light-emitting material, luminous efficiency of the display device is improved.
摘要:
A light-emitting compound and a display device adopting the light-emitting compound as a color-developing substance. When an organic layer such as a light-emitting layer is formed using the light-emitting compound as a blue light-emitting material, an organic electro-luminescence device having improved luminous efficiency and luminance characteristics can be obtained.
摘要:
A blue-light emitting compound having fluorene side chains and an organic electroluminescence (EL) device adopting the blue-light emitting compound as a color developing substance. The blue-light emitting compound with fluorene side chains has the formula (1) The compound having the formula (1) hereinabove, as a blue light-emitting substance, is useful as a color developing substance for a display device with improved emission efficiency. The organic EL device adopts the compound having the formula (1) for its organic layer, for example, the emitter layer, which results in improved emission efficiency and luminance, compared to common blue light-emitting compounds.
摘要:
A light-emitting compound and a display device adopting the light-emitting compounds as a color-developing substance. When the display device adopts an organic layer formed of the light-emitting compound, such as a light-emitting layer or an electron transport layer, as a blue light-emitting material, it can display blue and has good luminous efficiency and driving voltage characteristics.
摘要:
A light-emitting compound and a display device adopting the light-emitting compound as a color-developing substance. The light-emitting compound, as a blue luminous material, is good in luminous efficiency. When the display device adopts an organic layer such as a light-emitting layer, formed of the light-emitting compound, an organic organic electro-luminescence (EL) device displaying blue can be obtained.
摘要:
A light-emitting compound and a display device adopting the light-emitting compounds as a color-developing substance. When the display device adopts an organic layer formed of the light-emitting compound, such as a light-emitting layer or an electron transport layer, as a blue light-emitting material, it can display blue and has good luminous efficiency and driving voltage characteristics.
摘要:
An optical alignment polymer and an optical alignment composition having the same are provided. The optical alignment polymer has a compound selected from the group consisting of poly(maleimide), poly(vinyl acetal), poly(phenylene oxide), poly(maleimide styrene) and their derivatives in its main chain, and a photosensitive group at its side chain. The optical alignment polymer can have high level of optical alignment performance and high thermal stability.
摘要:
An optical alignment composition, an alignment layer formed using the same with an excellent thermal stability, and an LCD having the alignment layer are provided. The optical alignment composition includes a multifunctional cinnamate compound and a cinnamate group containing polymer in a weight ratio of 1:9 to 2:8. Thus, an optical alignment composition and an alignment layer each having excellent thermal stability and alignment property can be obtained while adopting a non-destructive optical alignment method. Accordingly, an LCD with improved performance can be obtained.
摘要:
An optical alignment composition including self-photosensitive polyimide having a benzophenone moiety and an active hydrogen moiety, and an LCD having the alignment layer formed of the optical alignment composition are provided. Since the alignment layer with excellent thermal stability and improved pretilt angle is obtained, the LCD having excellent performance can be manufactured.