Patents by Inventor Duck-su Kim
Duck-su Kim has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
-
Publication number: 20210147716Abstract: The present disclosure relates generally to a double-sided adhesive tape having improved impact strength for a display device. More particularly, the double-sided adhesive tape includes a base layer, a foam adhesive layer formed on one surface of the base layer and made of acrylic foam, and an adhesive layer formed on the other surface of the base layer. The double-sided adhesive tape having improved impact strength for the display device having the above structure in which the foam adhesive layer having excellent impact strength is formed, thereby suppressing occurrence of cracking on a glass surface of the display device due to external impacts and exhibiting an excellent waterproofing effect.Type: ApplicationFiled: July 11, 2019Publication date: May 20, 2021Inventors: Tae Wook Koo, Duck Su Kim, Cho Won Jo, Soon Hwa Hong, Min Soo Park, Tae Ho Kim
-
Patent number: 9392548Abstract: In various embodiments, a method for controlling device transmission power is disclosed. The method may include performing communication at first transmission power using a first communication module, performing communication at a second transmission power using a second communication module, and/or adjusting a transmission power of the first communication module from the first transmission power to a second transmission power for at least a part of time while performing communication using the second communication module.Type: GrantFiled: April 10, 2015Date of Patent: July 12, 2016Assignee: Samsung Electronics Co., Ltd.Inventors: Jong Won Lee, Soon Park, Yong Jun Park, Hyun Ju Hong, Jong Hyun Park, Ki Joong Kwon, Duck Su Kim
-
Publication number: 20150296460Abstract: In various embodiments, a method for controlling device transmission power is disclosed. The method may include performing communication at first transmission power using a first communication module, performing communication at a second transmission power using a second communication module, and/or adjusting a transmission power of the first communication module from the first transmission power to a second transmission power for at least a part of time while performing communication using the second communication module.Type: ApplicationFiled: April 10, 2015Publication date: October 15, 2015Inventors: Jong Won LEE, Soon PARK, Yong Jun PARK, Hyun Ju HONG, Jong Hyun PARK, Ki Joong KWON, Duck Su KIM
-
Patent number: 8045093Abstract: A backlight unit for slimmed structure and exhibiting uniform brightness through the improvement of its luminance efficiency and the quality in appearance of which is improved by the removal of bright lines, and a liquid crystal display device having the same are disclosed. The backlight unit includes a plurality of light emitting lamps disposed above a cover bottom such that the light emitting lamps are arranged at regular intervals, a diffusion plate disposed above the light emitting lamps, the diffusion plate including a substrate, a light control part formed on the bottom surface of the substrate corresponding to the light emitting lamps, and lens parts mounted on the top surface of the substrate, and an optical film disposed above the diffusion plate.Type: GrantFiled: February 29, 2008Date of Patent: October 25, 2011Assignee: LG Display Co., Ltd.Inventors: Se Chang Won, Duck Su Kim, Min Joo Kim, Eun Ju Kim, Hyeuk Chan Kwon, Jae Jung Han, Dong Seok Lee
-
Patent number: 7625693Abstract: A method of fabricating a one-way transparent optical system by which external light is effectively intercepted and internal light passes nearly without loss is provided. The method includes: forming a silver halide on a transparent substrate; aligning a mask in which a predetermined pattern is formed, on the transparent substrate and exposing the silver halide using the mask; developing and fixing the exposed silver halide and forming a plurality of light-absorbing materials on the transparent substrate; and forming protrusion structures having a shape of a convex lens shape for refracting incident light toward a corresponding light-absorbing material of the light-absorbing materials, on the transparent substrate on which the light-absorbing materials are formed.Type: GrantFiled: December 7, 2005Date of Patent: December 1, 2009Assignee: Samsung Electronics Co., Ltd.Inventors: O-gweon Seo, Kae-dong Back, Chang-seung Lee, Kyu-sik Kim, Duck-su Kim, Byoung-ho Cheong
-
Publication number: 20080239202Abstract: A backlight unit for slimmed structure and exhibiting uniform brightness through the improvement of its luminance efficiency and the quality in appearance of which is improved by the removal of bright lines, and a liquid crystal display device having the same are disclosed. The backlight unit includes a plurality of light emitting lamps disposed above a cover bottom such that the light emitting lamps are arranged at regular intervals, a diffusion plate disposed above the light emitting lamps, the diffusion plate including a substrate, a light control part formed on the bottom surface of the substrate corresponding to the light emitting lamps, and lens parts mounted on the top surface of the substrate, and an optical film disposed above the diffusion plate.Type: ApplicationFiled: February 29, 2008Publication date: October 2, 2008Applicant: LG.PHILIPS LCD CO., LTD.Inventors: Se Chang Won, Duck Su Kim, Min Joo Kim, Eun Ju Kim, Hyeuk Chan Kwon, Jae Jung Han, Dong Seok Lee
-
Publication number: 20070134928Abstract: A silicon wet etching method to form at least two elements having different shapes in a silicon substrate using at least two wet etching processes includes forming a first etch mask made of parylene on a surface of the silicon substrate, forming a first element in the substrate by wet etching the silicon substrate for a first time using the first etch mask, forming a second etch mask made of a silicon oxide layer on the surface of the silicon substrate, and forming a second element by wet etching the silicon substrate for a second time using the second etch mask.Type: ApplicationFiled: August 17, 2006Publication date: June 14, 2007Applicant: SAMSUNG Electronics Co., Ltd.Inventors: Jae-chang Lee, Chang-seung Lee, Jae-woo Chung, Duck-su Kim, Kyo-yeol Lee
-
Patent number: 7122950Abstract: The present invention relates to a color cathode ray tube and electron gun, and more particularly, to a color cathode ray tube and electron gun to improve deflection aberration efficiently using magnetic material formed at the electron gun and to improve a resolution of a display screen.Type: GrantFiled: October 2, 2003Date of Patent: October 17, 2006Assignee: LG.Philips Displays Korea Co., Ltd.Inventors: Soo Keun Lee, Duck Su Kim, Jeong Geung Lee
-
Publication number: 20060134533Abstract: A method of fabricating a one-way transparent optical system by which external light is effectively intercepted and internal light passes nearly without loss is provided. The method includes: forming a silver halide on a transparent substrate; aligning a mask in which a predetermined pattern is formed, on the transparent substrate and exposing the silver halide using the mask; developing and fixing the exposed silver halide and forming a plurality of light-absorbing materials on the transparent substrate; and forming protrusion structures having a shape of a convex lens shape for refracting incident light toward a corresponding light-absorbing material of the light-absorbing materials, on the transparent substrate on which the light-absorbing materials are formed.Type: ApplicationFiled: December 7, 2005Publication date: June 22, 2006Inventors: O-gweon Seo, Kae-dong Back, Chang-seung Lee, Kyu-sik Kim, Duck-su Kim, Byoung-ho Cheong
-
Patent number: 6590473Abstract: A thin-film bandpass filter is provided. The thin-film bandpass filter includes a substrate, a plurality of first capacitors formed on the substrate, each being electrically connected in series, at least one second capacitor electrically connected to branch terminals positioned between the plurality of first capacitors, an inductor electrically connected in parallel to the second capacitor, and a plurality of supports for propping up the inductor so that the inductor is separated a predetermined space above the substrate and/or the second capacitor. The first and second capacitors, respectively, include a first metal layer, a dielectric layer, and a second metal layer, all of which are sequentially formed on the substrate. The inductor is comprised of a predetermined pattern of a thin-film metal layer propped by the plurality of supports, to both ends of which are electrically connected to the first and second metal layers of the second capacitor, and suspended by the substrate and/or the second capacitor.Type: GrantFiled: October 13, 2000Date of Patent: July 8, 2003Assignee: Samsung Electronics Co., Ltd.Inventors: O-Gweon Seo, Duck-Su Kim
-
Patent number: 6195049Abstract: A micro-strip patch antenna for a radiotelephone transceiver includes a dielectric ceramic module for transmission and reception having a first ground plate, just one dielectric ceramic part for synchronizing frequencies, a conductive patch on the dielectric ceramic part for transmitting and receiving electromagnetic waves, transmission and reception power supply terminals projecting from different sides of the conductive patch. The antenna also has printed circuit board having a base, a second ground plate on the base to contact the first, and strip lines formed on the base so as to be adjacent but spaced from to the ground plates. The strip lines take care of impedance matching, and antenna provides for the use of a single channel power supply without modification.Type: GrantFiled: September 10, 1999Date of Patent: February 27, 2001Assignee: Samsung Electronics Co., Ltd.Inventors: Young-eil Kim, Duck-su Kim, Sung-soo Lee