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Eung-Yeoul Yoon, Suwon-Si KR

Eung-Yeoul Yoon, Suwon-Si KR

Patent application numberDescriptionPublished
20090092927IMAGE DRUM AND FABRICATING METHOD THEREOF - A method of fabricating an image drum includes preparing a hollow drum body having a slot extending in a longitudinal direction, preparing a printed circuit board (PCB) having a plurality of board terminals, mounting the PCB inside the hollow drum body with a fixing member such that the board terminals of the PCB are placed in the slot of the hollow drum body, coating a first insulating layer on an outer circumference of the hollow drum body, forming a plurality of ring electrodes on the first insulating layer corresponding to the board terminals of the PCB, in which a portion of ring electrodes which corresponds to the board terminals of the PCB is non-continuous, exposing the board terminals below non-continuous area of the ring electrodes by etching the first insulating layer with the ring electrodes as an etching mask, and forming a connecting electrode to electrically connect the board terminals to the ring electrodes.04-09-2009
20090145317METHOD OF FABRICATING IMAGE FORMING ELEMENT USING IMPRINTING PROCESS, IMAGE FORMING ELEMENT FABRICATED BY THE METHOD, AND IMPRINTING SYSTEM - A method of fabricating an image forming element includes preparing an image drum, transferring conductive ink as a pre-form of a plurality of ring electrodes on an outer circumference of the image drum using an imprinting process, solidifying the conductive ink on the outer circumference of the image drum to form the plurality of ring electrodes, and forming an outer insulating layer on the outer circumference of the image drum having the plurality of ring electrodes.06-11-2009
20100020153IMAGE DRUM AND METHOD OF MANUFACTURING THE SAME - Provided are an image drum and a method of manufacturing the image drum. The image drum includes multiple ring electrodes arranged along a longitudinal direction of a drum body and on an outer circumferential surface of the drum body. The ring electrodes are separated from each other. Between the ring electrodes there are ring insulator molds. The image drum can be manufactured by patterning a seed layer on the outer surface of the drum body, forming multiple ring insulator molds on the seed layer, and depositing a conductive material between the ring insulator molds to form the ring electrodes.01-28-2010
20100181287BACKLIGHT HAVING ALL-IN-ONE TYPE LIGHT GUIDE PLATE AND METHOD OF MANUFACTURING ALL-IN-ONE TYPE LIGHT GUIDE PLATE - Provided is an all-in-one type light guide plate including a plurality of prism-shaped structures that are integrally formed on the all-in-one light guide plate and which totally internally reflect light incident from a light source and emit the totally internally reflected light.07-22-2010
20110045620Light emitting diode integrated with lens, line printer head, and method of manufacturing the light emitting diode - Provided are a light emitting diode unit including a light emitting diode integrated with a lens, a line printer head using the light emitting diode, and a method of manufacturing the light emitting diode. The light emitting diode unit includes the light emitting diode layer bonded to a transparent substrate after removing a growth substrate on which the light emitting layer is grown, and a lens that refracts light emitted from the light emitting diode is formed on the transparent substrate.02-24-2011
20110096134Light emitting diode array including apertures, line printer head, and method of manufacturing the light emitting diode array - A light emitting diode array including apertures, a line printer head using the light emitting diode array, and a method of manufacturing the light emitting diode array. The light emitting diode array includes the apertures that are formed in a substrate and restrict tunnels of light emitted from a plurality of light emitting diodes. Also, a lens that refracts the light transmitted through the plurality of apertures is included.04-28-2011
20110097113Light emitting diode array integrated with lens, line printer head, and method of manufacturing the light emitting diode array - A lens integrated light emitting diode array, a line printer head using the light emitting diode array, and a method of manufacturing the light emitting diode array. The light emitting diode array includes a plurality of light emitting diodes formed on a surface of a transparent substrate and a plurality of lenses formed on another surface opposite to the surface of the transparent substrate, wherein the plurality of light emitting diodes are divided into a plurality of groups to be arranged to respectively correspond to the plurality of lenses.04-28-2011
20120006077Detergent feeding apparatus and washing machine having the same - A washing machine having a detergent feeding apparatus to stably feed a required amount of liquid detergent based on the amount of laundry in an automated manner. The washing machine includes a cabinet defining an external appearance of the washing machine, a drum placed in the cabinet, a detergent box connected to the drum, a liquid detergent reservoir placed below the detergent box and to store liquid detergent therein, and a detergent feeding apparatus connected to the detergent box and the liquid detergent reservoir and to feed the liquid detergent stored in the liquid detergent reservoir to the detergent box. The detergent feeding apparatus includes a cylinder which the liquid detergent is introduced into or discharged from, and a pressure regulating unit connected to the cylinder and to introduce the liquid detergent into the cylinder or discharge the introduced liquid detergent from the cylinder.01-12-2012

Patent applications by Eung-Yeoul Yoon, Suwon-Si KR