Wan Ho
Wan Ho Jang, Anyang KR
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20140075182 | METHOD FOR PROVIDING DATA TO A PERSONAL PORTABLE DEVICE VIA NETWORK AND A SYSTEM THEREOF - Disclosed are a method and a system for synchronizing and providing data requiring digital rights protection, to a portable device, wherein a contents providing server is connected with a contents synchronization server to which the portable device is connected. | 03-13-2014 |
20150019860 | METHOD FOR PROVIDING DATA TO A PERSONAL PORTABLE DEVICE VIA NETWORK AND A SYSTEM THEREOF - Disclosed are a method and a system for synchronizing and providing data requiring digital rights protection, to a portable device, wherein a contents providing server is connected with a contents synchronization server to which the portable device is connected. | 01-15-2015 |
Wan Ho Lee, Gyeonggi-Do KR
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20130113005 | SEMICONDUCTOR LIGHT EMITTING DEVICE AND FABRICATION METHOD THEREOF - A semiconductor light emitting device and a fabrication method thereof are provided. The semiconductor light emitting device includes a light emitting structure including a first conductivity-type semiconductor layer, an active layer, and a second conductivity-type semiconductor layer. A reflective structure is formed on the light emitting structure and includes a nano-rod layer comprised of a plurality of nano-rods and air filling space between the plurality of nano-rods and a reflective metal layer formed on the nano-rod layer. | 05-09-2013 |
20130307007 | SEMICONDUCTOR LIGHT EMITTING DEVICE - A light emitting device includes a first semiconductor layer, an active layer, and a second semiconductor layer, and first and second electrodes electrically connected to the first and second semiconductor layers, respectively. The second electrode includes a reflective pad portion, a transparent electrode layer, a reflective finger portion and an electrode pad portion. The reflective pad portion is disposed in a region of an upper surface of the second semiconductor layer. The transparent electrode layer is disposed on the second semiconductor layer and has an opening encompassing the reflective pad portion such that the transparent electrode layer is not in contact with the reflective pad portion. The reflective finger portion extends from the reflective pad portion and has at least a portion thereof disposed on the transparent electrode layer. The electrode pad portion covers the reflective pad portion to be in contact with the transparent electrode layer. | 11-21-2013 |
Wan Ho Lee, Suwon-Si KR
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20140199095 | IMAGE FORMING APPARATUS - An image forming apparatus has an improved structure which avoids additional expenses associated with packing a developing unit and allows the developing unit to be stably stored. The image forming apparatus may include a body, a first developing unit accommodating portion and a second developing unit accommodating portion disposed at different positions in the body, and a developing unit which is allowed to be detachably accommodated in the first developing unit accommodating portion and the second developing unit accommodating portion. When accommodated in the first developing unit accommodating portion, the developing unit may be disposed such that it does not perform image formation. When accommodated in the second developing unit accommodating portion, the developing unit may be disposed to perform image formation. | 07-17-2014 |
Wan Ho Oh, Daejeon KR
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20130063970 | MULTI-SECTIONED, BILLBOARD-MOUNTED LIGHT-EMITTING DEVICE - The present invention relates to a multi-sectioned, billboard-mounted light-emitting device comprising: a mounting frame onto which one or a plurality of partition pieces are joined by being slotted in a detachable fashion, and on the front of which are formed a plurality of billboard housing space parts; a light-emitting-diode module in which a plurality of LEDs are provided at predetermined intervals; a light-guide plate which surface emits due to the LEDs; a back-surface plate devised such that the light generated from the light-guide plate is emitted towards the front surface; and a billboard plate which is provided on the front surface of the light-guide plate while being received in a detachable fashion at a size matched to each of the billboard housing space parts which are section bared by means of the partition pieces. | 03-14-2013 |
20130083559 | DETACHABLE LIGHT EMITTING DEVICE USING LIGHT EMITTING DIODE MODULES - The present invention relates to a detachable light emitting device using light emitting diode modules, and the detachable light emitting device comprises: a body casing, in which a front frame is mounted on the front thereof, and in which one or a plurality of detachable parts is or are installed on an upper side or a lower side of the body casing; radiation stands which are vertically erected on both left and right sides inside the body casing, and have front cutting grooves; light guide plate stands which are vertically inserted and coupled in the front cutting grooves of each of the radiation stands, respectively, and in which side mounting grooves are formed on each one side thereof; LED module mounting stands which are vertically inserted and coupled in the side mounting grooves of each of the light guide plate stands, respectively, and in which LED mounting grooves are vertically formed on each one side thereof; LED modules, in which printed circuit boards having a plurality of LEDs thereon are vertically inserted and coupled in the LED mounting grooves of each of the LED module mounting stands, respectively; light guide plates which show surface emission effects when the LEDs of the LED modules are adjacent thereto; and a front plate which is installed on the front side inside the body casing, wherein various characters or drawings, photos and the like are printed thereon. | 04-04-2013 |
Wan-Ho Lee, Seoul KR
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20120132374 | INSULATED GLASS WITH INTEGRAL BLIND - MANUALLY CONTROLLABLE - A sealed blind for a double window is provided. A double window is installed in a frame formed by upper, lower and side frames in which an inner glass plate and an outer glass plate are installed spaced apart by a predetermined interval. A blind is installed inside the double window. An elevating shaft is connected to the blind and is configured to wind and unwind the blind. A sealed rotating unit is configured to rotate the elevating shaft. A first side of the rotating unit is installed in the elevating shaft and a second side of the rotating unit is disposed at an outer side of the side frame of the double window, such that outside air and dust are not introduced. An elevating wire is wound around the rotating unit and is configured to operate the rotating unit. | 05-31-2012 |
Wan-Ho Lee, Hwaseong-Si KR
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20140231849 | SEMICONDUCTOR LIGHT-EMITTING DEVICES - Semiconductor light-emitting devices including a semiconductor region that includes a light-emitting structure; and an electrode layer including a first reflection metal layer that contacts a first portion of the semiconductor region and being configured to reflect light from the light-emitting structure and a second reflection metal layer that contacts a second portion of the semiconductor region and being configured to reflect light from the light-emitting structure, wherein the second reflection metal layer is spaced apart from the first reflection metal layer and at least partially covers the first reflection metal layer. | 08-21-2014 |
20150126022 | METHOD FOR FORMING ELECTRODE OF N-TYPE NITRIDE SEMICONDUCTOR, NITRIDE SEMICONDUCTOR DEVICE, AND MANUFACTURING METHOD THEREOF - According to an example embodiment, a method includes forming a nitrogen vacancy surface layer by treating a surface of an n-type nitride semiconductor with inert gas plasma, and forming an oxygen-added nitride film by treating a surface of the nitrogen vacancy surface layer with oxygen-containing gas plasma, and forming an electrode on the oxygen-added nitride film. The nitrogen vacancy surface layer lacks a nitrogen element. | 05-07-2015 |
Wan-Ho Park, Asan-Si KR
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20160035698 | STACK PACKAGE - A stack package includes a substrate, a stack of semiconductor chips mounted to the substrate, a side semiconductor chip disposed on one side of the stack, and adhesive interposed between the lower surface of the side semiconductor chip and the stack of semiconductor chips and which attaches the side semiconductor chip to the stack. | 02-04-2016 |
Wan-Ho Shin, Daejeon KR
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20130113125 | ROTATING UNIT-BASED MICRO-SIZED BUBBLE GENERATOR - The present invention relates to a micro-sized bubble generator. A micro-sized bubble generator using a highly-dissoved solution based on a rotating unit according to an exemplary embodiment of the present includes: a rotating unit receiving a mixture of water and gas and discharging a solution while making the water and gas collide with each other and rotating the same; a dissolving tank storing the solution discharged from the rotating unit; and a nozzle unit receiving the solution and generating micro-sized bubbles in the water. Accordingly, a massive amount of micro-sized bubbles less than 100 nm in size can be generated. | 05-09-2013 |