Patent application number | Description | Published |
20090091239 | LIGHT-EMITTING CHIP AND METHOD OF MANUFACTURING THE SAME - A light-emitting chip includes a light-emitting part, a first color-converting part and a second color-converting part. The light-emitting part includes a first electrode and a second electrode, and generates first light of a first wavelength. The first color-converting part is formed on a light-emitting surface of the light-emitting part. The first color-converting part converts at least a portion of the first light into second light of a second wavelength. The second color-converting part is formed on the first color-converting part. The second color-converting part converts at least a portion of the first light into third light of a third wavelength that is shorter than the second wavelength. Thus, a fluorescent substance of a long wavelength and a fluorescent substance of a short wavelength are sequentially formed on a light-emitting surface of a light-emitting part, so that the color reproducibility of a light-emitting chip may be enhanced. | 04-09-2009 |
20090109517 | DISPLAY DEVICE - A display device includes a first electrode, a second electrode facing the first electrode, a first layer of material disposed between the first electrode and the second electrode, a second layer of material disposed on the first layer of material, and a light source unit emitting blue light incident to the first electrode toward the second electrode. At least one color converting member receives the blue light and generate light having a wavelength different from the wavelength of the blue light. The second layer of material is positioned on the second electrode and is movable along with the second electrode by an attraction force between the first electrode and the second electrode. | 04-30-2009 |
20090121628 | INORGANIC LIGHT EMITTING DEVICE - An inorganic light emitting device includes a first emission layer that includes a first electrode, a first dielectric layer, a first sub-emission layer, a second dielectric layer and a first auxiliary electrode sequentially stacked on a substrate, a second emission layer that includes the first auxiliary electrode and a third dielectric layer, a second sub-emission layer, a fourth dielectric layer and a second auxiliary electrode sequentially stacked on the first auxiliary electrode, and a third emission layer that includes the second auxiliary electrode and a fifth dielectric layer, a third sub-emission layer, a sixth dielectric layer and a second electrode sequentially stacked on the second auxiliary electrode. | 05-14-2009 |
20100079704 | LIQUID CRYSTAL DISPLAY - A liquid crystal display includes, among others, a light diffusion layer comprising a color conversion media layer and a non-conversion layer arranged on the second substrate and a backlight assembly to supply light to the first substrate and the second substrate. The backlight assembly supplies various wavelengths of lights, including blue light or UV ray. The blue rights through the liquid crystal layer enters the color conversion media layers and may generates red lights and green lights. In this case, blue lights go through non-conversion layer and diffuse and scatter out blue lights. The UV rays through the liquid crystal layer enters the color conversion media layers and may generates red light, green lights and blue lights. | 04-01-2010 |
20100123947 | FLAT PANEL DISPLAY AND MANUFACTURING METHOD THEREOF - A flat panel display includes a first substrate, a thin film transistor formed on the first substrate, a second substrate facing the first substrate, and a light controller formed on the second substrate, wherein the light controller is electrically connected to the thin film transistor, wherein the light controller includes an opening plate having a plurality of first openings and a light blocker moving horizontally with respect to the opening plate to selectively pass light through the first openings. | 05-20-2010 |
20100155705 | Display Device Including Organic Light-Emitting Transistor And Method Of Fabricating The Display Device - Provided are a display device, which has a longer life and can be fabricated simply relative to conventional display devices, and a method of fabricating the display device. The display device includes a substrate which includes first through third subpixel regions, first through third organic light-emitting transistors which are disposed in the first through third subpixel regions, respectively, and are operable to emit light of a first color, and a first fluorescent pattern which is formed on the first organic light-emitting transistor and is operable to cause light of a second color to be emitted. | 06-24-2010 |
20100225993 | LIGHT GUIDE UNIT AND DISPLAY DEVICE HAVING THE SAME - A light guide unit includes a light guide plate and a plurality of light-exiting protrusions. The light guide plate includes a light-entering surface, an upper surface connected to the light-entering surface and a lower surface facing the upper surface. The light-exiting protrusions protrude from the upper surface of the light guide plate to have a cylindrical shape in which a cross-section size thereof increases in a direction away from the upper surface of the light guide plate, the light-exiting protrusions being disposed in a light control area which is turned on or off by a microelectromechanical system shutter. Light guided by the light guide unit to the light control area exits through the light-exiting protrusions. | 09-09-2010 |
20110001738 | DISPLAY DEVICE AND DRIVING METHOD THEREOF - A display device includes a gate line, a data line, a switching transistor connected to the data line, a variable resistance unit, a first capacitor connected to the variable resistance unit and a micro-shutter connected to the resistance unit and the first capacitor. The switching transistor is controlled by a gate-on voltage supplied by the gate line, and a resistance of the variable resistance unit is changed based on a data voltage supplied to the variable resistance unit from the data line via the switching transistor. The micro-shutter electrode executes a shutoff operation based on a voltage at a connection node between the variable resistance unit and the first capacitor. | 01-06-2011 |
20110032246 | DISPLAY DEVICE USING MEMS AND DRIVING METHOD THEREOF - A display device using a microelectromechanical system (“MEMS”) element includes; a display panel including the MEMS element having at least three states, the at least three states including an on state, a half-on state, and an off state and a backlight unit which provides light to the display panel. | 02-10-2011 |
20110102876 | DISPLAY DEVICE USING MEMS ELEMENT AND MANUFACTURING METHOD THEREOF - The present invention relates to a display device using a microelectromechanical system (MEMS) and to a manufacturing method thereof. A display device using a MEMS includes a first substrate comprising a first index of refraction; a second substrate facing the first substrate; a reflective layer formed on the first substrate and having a first aperture; a transparent layer covering the first aperture and comprising a second refractive index; and a shutter arranged on the second substrate, wherein a difference between the first refractive index and the second refractive index is equal to or less than 0.1. | 05-05-2011 |
20110216041 | TOUCH PANEL AND TOUCH POSITION DETECTION METHOD OF TOUCH PANEL - A touch panel and a touch position detection method are presented. The touch panel includes: a touch unit, a light source unit array positioned along a first edge of the touch unit and including a first light source and a second light source; and a detection unit array positioned along a second edge and including a detection unit generating a detection signal by detecting light from the light source unit array. The first light source radiates light having a first optical axis, the first optical axis extending in a first direction that makes a first angle with respect to a reference direction, and the second light source radiates light having a second optical axis, the second optical axis extending in a second direction that makes the first angle with respect to the reference direction. The reference direction is perpendicular to the second edge. | 09-08-2011 |
20110235147 | MEMS SHUTTER AND DISPLAY APPARATUS HAVING THE SAME - The display apparatus including a microelectromechanical (MEMS) shutter is disclosed. The MEMS shutter is shifted by the switching element in a horizontal direction corresponding to the light control area to turn on or turn off the light control area. A first slit transmits light generated from the light source to the MEMS shutter of a first substrate and a second slit of a second substrate corresponding to the first slit provides apertures by overlapping the first slit and the second slit. The apertures of the MEMS shutter are distributed on a two dimensional plane and form a geometrically symmetric pattern that are capable of enhancing light-use efficiency. | 09-29-2011 |
20120293852 | DISPLAY SUBSTRATE, METHOD OF MANUFACTURING THE SAME AND DISPLAY PANEL HAVING THE SAME - A display substrate includes a base substrate, a micro shutter, a first driving electrode, a second driving electrode, and a plurality of anchors. The micro shutter includes a flat portion having at least one opening, a main concave portion adjacent to the opening and extending in from the flat portion to a first depth, and at least one sub-concave portion extending in from a bottom surface of the main concave portion to second depth. The first driving electrode is connected to a first side of the micro shutter. The second driving electrode is connected to a second side of the micro shutter. The second side is positioned opposite to the first side. The anchors fix the first and second driving electrodes on the base substrate. | 11-22-2012 |
20140375931 | DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF - A display device may include a substrate, a first roof layer formed of a material, a second roof layer formed of the material and spaced from the substrate, and a subpixel electrode disposed between the substrate and the first roof layer. The display device may further include a common electrode member disposed between the subpixel electrode and the first roof layer. The common electrode member may overlap the first roof layer in a first direction without extending beyond the first roof layer in a second direction. The first direction may be perpendicular to a surface of the substrate. The second direction may be parallel to the surface of the substrate. The display device may further include a liquid crystal set disposed between the subpixel electrode and the common electrode member. | 12-25-2014 |