Abstract: A light emitting device package includes a reflective unit having a first surface and a second surface opposing the first surface and having a through hole formed in a central portion of the reflective unit to penetrate through the first and second surfaces, a light emitting device disposed in the through hole and externally exposed to one of the first and second surfaces, and an optical device disposed on the first surface of the reflective unit to cover the light emitting device. The optical device allows light generated by the light emitting device to be partially transmitted and partially reflected to be emitted externally.

Abstract: The present invention relates to a novel acid dianhydride, a method for preparing the same, and a polyimide prepared therefrom. More specifically, the acid dianhydride according to the present invention is useful as a colorless transparent polyimide unit exhibiting excellent thermal stability and a low dielectric ratio, and the polyimide of the present invention has excellent solubility to an organic solvent compared with the conventional polyimide.

Abstract: The present invention relates to a novel acid dianhydride, a method for preparing the same, and a polyimide prepared therefrom. More specifically, the acid dianhydride according to the present invention is useful as a colorless transparent polyimide unit exhibiting excellent thermal stability and a low dielectric ratio, and the polyimide of the present invention has excellent solubility to an organic solvent compared with the conventional polyimide.

Abstract: This invention relates to a polyimide and a film using the same and, more particularly, to a polyimide, which can exhibit a low dielectric constant while retaining the superior properties thereof, and can thus be utilized as electronic materials such as protective materials or insulating materials for liquid crystal displays or semiconductors, and optical communication materials such as optical waveguide materials, and to a polyimide film including the same.

Abstract: A display device including a data line disposed on a substrate; a first pigment layer formed to cover the data line; a second pigment layer disposed by a side of the first pigment layer and formed to have a first region which corresponds to an overlap region of the first and second pigment layers; and common electrodes arranged on second regions in which the first and second pigment layers do not overlap with each other.

Abstract: This invention relates to a polyimide and a film using the same and, more particularly, to a polyimide, which can exhibit a low dielectric constant while retaining the superior properties thereof, and can thus be utilized as electronic materials such as protective materials or insulating materials for liquid crystal displays or semiconductors, and optical communication materials such as optical waveguide materials, and to a polyimide film including the same.

Abstract: The present invention relates to a novel acid dianhydride, a method for preparing the same, and a polyimide prepared therefrom. More specifically, the acid dianhydride according to the present invention is useful as a colorless transparent polyimide unit exhibiting excellent thermal stability and a low dielectric ratio, and the polyimide of the present invention has excellent solubility to an organic solvent compared with the conventional polyimide.

Abstract: The present invention relates to a novel acid dianhydride, a method for preparing the same, and a polyimide prepared therefrom. More specifically, the acid dianhydride according to the present invention is useful as a colorless transparent polyimide unit exhibiting excellent thermal stability and a low dielectric ratio, and the polyimide of the present invention has excellent solubility to an organic solvent compared with the conventional polyimide.

Abstract: A light emitting device package includes a reflective unit having a first surface and a second surface opposing the first surface and having a through hole formed in a central portion of the reflective unit to penetrate through the first and second surfaces, a light emitting device disposed in the through hole and externally exposed to one of the first and second surfaces, and an optical device disposed on the first surface of the reflective unit to cover the light emitting device. The optical device allows light generated by the light emitting device to be partially transmitted and partially reflected to be emitted externally.

Abstract: There is provided a method of manufacturing a light emitting device including preparing a light source including a wavelength conversion unit and an optical member applied to the light source. Light is irradiated to the wavelength conversion unit to excite the wavelength conversion unit and positional information regarding the light source is obtained from light emitted from the wavelength conversion unit. A mounting position of the optical member is determined based on the obtained positional information regarding the light source. The method of manufacturing a light emitting device having excellent light characteristics can be obtained.

Abstract: A display device including a data line disposed on a substrate; a first pigment layer formed to cover the data line; a second pigment layer disposed by a side of the first pigment layer and formed to have a first region which corresponds to an overlap region of the first and second pigment layers; and common electrodes arranged on second regions in which the first and second pigment layers do not overlap with each other.

Abstract: There is provided a method of manufacturing a light emitting device including preparing a light source including a wavelength conversion unit and an optical member applied to the light source. Light is irradiated to the wavelength conversion unit to excite the wavelength conversion unit and positional information regarding the light source is obtained from light emitted from the wavelength conversion unit. A mounting position of the optical member is determined based on the obtained positional information regarding the light source. The method of manufacturing a light emitting device having excellent light characteristics can be obtained.

Abstract: There is provided a light-emitting device including a substrate body, a winding pattern unit including a plurality of mounting parts formed as conductive thin films covering a portion of an upper surface of the substrate body and spaced apart from one another and a connection line formed to have a width narrower than that of each of the mounting parts so as to electrically connect the plurality of mounting parts and light sources, at least one light source being disposed on at least one of the plurality of mounting parts.

Abstract: An electrophoretic display device is described. The device includes a substrate, first electrodes, an electrophoretic film having electrophoretic particles, and second electrodes. The substrate is has a plurality of pixel regions. First electrodes are disposed respectively on each pixel region, and include first patterns separated from one another and second patterns connected to the first patterns. The second electrode is disposed on the electrophoretic film. The area of one of the electrodes, opposing the other of the electrodes has apertures formed therein, reducing the contact area between the electrode and the electrophoretic film.

Abstract: A tiling mode display device is disclosed. The display device includes a first substrate having at least two lower substrates connected to each other at a boundary region between the lower substrates using a first adhesion member; a first seal pattern formed at peripheries of the lower substrates, and a second seal pattern formed at the boundary region between the lower substrates; and a second substrate attached to the first substrate by the first and second seal patterns.

Abstract: An electrophoretic display device is described. The device includes a substrate, first electrodes, an electrophoretic film having electrophoretic particles, and second electrodes. The substrate is has a plurality of pixel regions. First electrodes are disposed respectively on each pixel region, and include first patterns separated from one another and second patterns connected to the first patterns. The second electrode is disposed on the electrophoretic film. The area of one of the electrodes, opposing the other of the electrodes has apertures formed therein, reducing the contact area between the electrode and the electrophoretic film.

Abstract: An electrophoretic display device is described. The device includes a substrate, first electrodes, an electrophoretic film having electrophoretic particles, and second electrodes. The substrate is has a plurality of pixel regions. First electrodes are disposed respectively on each pixel region, and include first patterns separated from one another and second patterns connected to the first patterns. The second electrode is disposed on the electrophoretic film. The area of one of the electrodes, opposing the other of the electrodes has apertures formed therein, reducing the contact area between the electrode and the electrophoretic film.

Abstract: An array substrate for a liquid crystal display device includes gate and data lines crossing on a substrate, common lines parallel to and between the gate lines, thin film transistors at crossing portions of the gate and data lines, and a pixel electrode. The common lines define pixel regions, which are each divided into first and second regions by the corresponding gate line. The thin film transistors each include a gate electrode in a first direction, a semiconductor layer on the gate electrode, and source and drain electrodes on the semiconductor layer in a second direction. The source and drain electrodes cross the gate electrode in each of the first and second regions. The pixel electrode is connected to the drain electrode.

Abstract: An array substrate for a liquid crystal display device includes gate and data lines crossing on a substrate, common lines parallel to and between the gate lines, thin film transistors at crossing portions of the gate and data lines, and a pixel electrode. The common lines define pixel regions, which are each divided into first and second regions by the corresponding gate line. The thin film transistors each include a gate electrode in a first direction, a semiconductor layer on the gate electrode, and source and drain electrodes on the semiconductor layer in a second direction. The source and drain electrodes cross the gate electrode in each of the first and second regions. The pixel electrode is connected to the drain electrode.