Patents by Inventor Nam-deog Kim
Nam-deog 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).
-
Patent number: 8305332Abstract: A backlight unit of a liquid crystal display device supplies light to one or more corresponding pixels of a liquid crystal display panel. The backlight unit includes a plurality of blocks formed into a matrix shape. Each block includes a light emitting diode module. The blocks in a row of the matrix are driven by a same row driving signal and the blocks in a column of the matrix are driven by a same column driving signal, to adjust luminance of the light supplied to the corresponding pixels.Type: GrantFiled: August 8, 2008Date of Patent: November 6, 2012Assignees: Samsung Display Co., Ltd., Korea Advanced Institute Science & TechnologyInventors: Mun-Soo Park, Gun-Woo Moon, Won-Sik Oh, Dae-Youn Cho, Kyu-Min Cho, Nam-Deog Kim, Seung-Hwan Moon
-
Patent number: 8022900Abstract: An OLED display includes a pixel having a first sub-pixel, a second sub-pixel, a third sub-pixel, and a fourth sub-pixel, each of which displays a different color, a gate line for transmitting gate signals to the pixel, a data line for transmitting data signals to the pixel, a first driving voltage line that transmits a driving voltage to the pixel and is substantially parallel to the data line, and a second driving voltage line that is connected to the first driving voltage line and is substantially parallel to the gate line.Type: GrantFiled: November 17, 2006Date of Patent: September 20, 2011Assignee: Samsung Electronics Co., Ltd.Inventors: Byung-Sik Koh, Nam-Deog Kim, Beohm-Rock Choi, Kyeng-Eun Roh, Kwang-Chul Jung, Joon-Hoo Choi, Jong-Moo Huh, Seung-Kyu Park, Joon-Chul Goh, Young-Soo Yoon
-
Patent number: 7990047Abstract: A method of manufacturing an organic light emitting diode display includes forming a plurality of signal lines and a plurality of TFTs on a substrate, forming a passivation layer on the signal lines and the TFTs, forming a photosensitive layer having a plurality of openings on the passivation layer, etching the passivation layer using the photosensitive layer as a mask, forming a first electrode by depositing and etching a conductive layer on substantially the entire surface including the photosensitive layer, forming a light emitting member in portions of the openings, and forming a second electrode on the light emitting member and the photosensitive layer.Type: GrantFiled: September 26, 2006Date of Patent: August 2, 2011Assignee: Samsung Electronics Co., Ltd.Inventors: Seung-Kyu Park, Jong-Moo Huh, Nam-Deog Kim, Kyoung-Ju Shin
-
Patent number: 7965263Abstract: A display device and a method of driving the same, win which the display device includes a light emitting element and a driving transistor supplying a driving current to the light emitting element, and in which one of a data voltage or a reverse bias voltage is applied to the driving transistor in an alternating manner, and the reverse bias voltage is an AC voltage.Type: GrantFiled: April 4, 2007Date of Patent: June 21, 2011Assignee: Samsung Electronics Co., Ltd.Inventors: Kunjal Parikh, Kyuha Chung, Nam-Deog Kim, Beohm-Rock Choi, Joon-Chul Goh, Joon-Hoo Choi
-
Patent number: 7915822Abstract: A display device includes a first substrate, a second substrate and a blocking member. The first substrate has a light emitting element. The second substrate faces the first substrate. The blocking member is arranged between the first and second substrates. The blocking member includes a first blocking layer and a second blocking layer.Type: GrantFiled: July 10, 2008Date of Patent: March 29, 2011Assignee: Samsung Electronics Co., Ltd.Inventors: Hoon Kim, Nam-Deog Kim, Jae-Hoon Chung
-
Patent number: 7883921Abstract: The present invention relates to an OLED display and a manufacturing method thereof, including a substrate, a control electrode formed on the substrate, a polysilicon semiconductor formed on the control electrode, a data line including an input electrode at least partially overlapping the polysilicon semiconductor and an output electrode facing the input electrode, an insulating layer covering the data line and the output electrode and having a contact hole, a gate line connected to the control electrode through the contact hole, and a pixel electrode connected to the output electrode.Type: GrantFiled: March 16, 2010Date of Patent: February 8, 2011Assignee: Samsung Electronics Co., Ltd.Inventors: Jong-Moo Huh, Seung-Kyu Park, Nam-Deog Kim, Joon-Hoo Choi
-
Publication number: 20100301341Abstract: The present invention relates to an OLED display and a manufacturing method thereof, including a substrate, a control electrode formed on the substrate, a polysilicon semiconductor formed on the control electrode, a data line including an input electrode at least partially overlapping the polysilicon semiconductor and an output electrode facing the input electrode, an insulating layer covering the data line and the output electrode and having a contact hole, a gate line connected to the control electrode through the contact hole, and a pixel electrode connected to the output electrode.Type: ApplicationFiled: March 16, 2010Publication date: December 2, 2010Applicant: SAMSUNG ELECTRONICS CO., LTDInventors: Jong-Moo HUH, Seung-Kyu PARK, Nam-Deog KIM, Joon-Hoo CHOI
-
Patent number: 7791268Abstract: A display device includes; a thin film transistor formed on a insulating substrate, a pixel electrode electrically connected to the thin film transistor, an organic layer formed on the pixel electrode, a wall surrounding the organic layer, a reflective film formed on the wall, and a common electrode formed on the organic layer.Type: GrantFiled: August 15, 2007Date of Patent: September 7, 2010Assignee: Samsung Electronics Co., Ltd.Inventors: Jae-hoon Jung, Nam-deog Kim
-
Patent number: 7767474Abstract: A drive film, a drive package for an organic light emitting diode display, an organic light emitting diode display including the same, and a method thereof are provided wherein the drive film includes a base film having an input terminal and an output terminal, a plurality of first signal lines formed on the base film, and a plurality of second signal lines formed on the base film and disposed between the first signal lines at the output terminal.Type: GrantFiled: June 20, 2006Date of Patent: August 3, 2010Assignee: Samsung Electronics Co., Ltd.Inventors: Chun-Seok Ko, Nam-Deog Kim
-
Patent number: 7742025Abstract: A display apparatus includes a plurality of pixels arranged in a matrix. Each pixel includes a light emitting device, a driving transistor for supplying a driving current to the light emitting device, a first switching transistor coupled with the control terminal of the driving transistor to transmit a data voltage, and a second switching transistor coupled with the control terminal of the driving transistor to transmit a reverse voltage. The first and second switching transistors are alternately coupled with scanning lines driven by one of two scanning drivers, and are alternately turned on at different times. The display apparatus periodically applies the reverse voltage to the driving transistors to turn off the diving transistors and to compensate for variation of the threshold voltage of the driving transistors.Type: GrantFiled: September 26, 2006Date of Patent: June 22, 2010Assignee: Samsung Electronics Co., Ltd.Inventors: Si-Duk Sung, Kyong-Tae Park, Nam-Deog Kim, Chun-Seok Ko
-
Patent number: 7709838Abstract: The present invention relates to an OLED display and a manufacturing method thereof, including a substrate, a control electrode formed on the substrate, a polysilicon semiconductor formed on the control electrode, a data line including an input electrode at least partially overlapping the polysilicon semiconductor and an output electrode facing the input electrode, an insulating layer covering the data line and the output electrode and having a contact hole, a gate line connected to the control electrode through the contact hole, and a pixel electrode connected to the output electrode.Type: GrantFiled: October 17, 2006Date of Patent: May 4, 2010Assignee: Samsung Electronics Co., Ltd.Inventors: Jong-Moo Huh, Seung-Kyu Park, Nam-Deog Kim, Joon-Hoo Choi
-
Patent number: 7710019Abstract: An organic light-emitting diode (OLED) display includes a substrate, an auxiliary electrode disposed on the substrate, a first signal line disposed on the substrate, a second signal line crossing the first signal line, a driving voltage line disposed on the substrate, a first thin film transistor connected to the first signal line and the second signal line, a second thin film transistor connected to the first thin film transistor and the driving voltage line, a first electrode connected to the second thin film transistor, a second electrode facing the first electrode, and a light-emitting member disposed between the first electrode and the second electrode. The auxiliary electrode is connected to one of the driving voltage line and the second electrode.Type: GrantFiled: November 7, 2006Date of Patent: May 4, 2010Assignee: Samsung Electronics Co., Ltd.Inventors: Kwang-Chul Jung, Beohm-Rock Choi, Nam-Deog Kim
-
Patent number: 7663147Abstract: A display apparatus and method of forming the same comprise an insulating substrate; a thin film transistor formed on the insulating substrate; a first electrode electrically connected to the thin film transistor and having a first maximum roughness; a buffer layer formed on the first electrode and having a second maximum roughness lower than the first maximum roughness; an organic emission layer formed on the buffer layer; and a second electrode formed on the organic emission layer. Accordingly, it is an aspect of the present invention to provide a display apparatus and method of manufacturing the same which reduce the number of defects due to roughness of a pixel electrode.Type: GrantFiled: September 5, 2006Date of Patent: February 16, 2010Assignee: Samsung Electronics Co., Ltd.Inventors: Jae-hoon Jung, Nam-deog Kim
-
Patent number: 7649312Abstract: An organic light emitting diode (OLED) display device with improved hole injection efficiency is presented, along with a method of making the display device. A thin film transistor (TFT) is formed on an insulating substrate. A pixel electrode is electrically connected to the TFT, and a hydrophilic wall is formed between the pixel electrode and an adjacent pixel electrode. A hole injecting layer and a first organic light emitting layer covering the pixel electrode and the hydrophilic wall and formed. Then, a second organic light emitting layer and a third organic light emitting layer are formed to partly cover the first organic light emitting layer.Type: GrantFiled: April 21, 2006Date of Patent: January 19, 2010Assignee: Samsung Electronics Co., Ltd.Inventors: Ameen Khalil Saafir, Jin-koo Chung, Nam-deog Kim
-
Publication number: 20090058792Abstract: A backlight unit of a liquid crystal display device supplies light to one or more corresponding pixels of a liquid crystal display panel. The backlight unit includes a plurality of blocks formed into a matrix shape. Each block includes a light emitting diode module. The blocks in a row of the matrix are driven by a same row driving signal and the blocks in a column of the matrix are driven by a same column driving signal, to adjust luminance of the light supplied to the corresponding pixels.Type: ApplicationFiled: August 8, 2008Publication date: March 5, 2009Inventors: Mun-Soo PARK, Gun-Woo Moon, Won-Sik Oh, Dae-Youn Cho, Kyu-Min Cho, Nam-Deog Kim, Seung-Hwan Moon
-
Publication number: 20080265764Abstract: A display device includes a first substrate, a second substrate and a blocking member. The first substrate has a light emitting element. The second substrate faces the first substrate. The blocking member is arranged between the first and second substrates. The blocking member includes a first blocking layer and a second blocking layer.Type: ApplicationFiled: July 10, 2008Publication date: October 30, 2008Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hoon KIM, Nam-Deog KIM, Jae-Hoon CHUNG
-
Publication number: 20080116792Abstract: An organic light emitting diode display includes an insulating layer, a stress buffer disposed on the insulating layer, a first electrode disposed on the stress buffer, an organic light emitting member disposed on the first electrode, and a second electrode disposed on the organic light emitting member.Type: ApplicationFiled: January 30, 2008Publication date: May 22, 2008Inventors: Jae-Hoon Chung, Nam-Deog Kim, Jung-Soo Rhee, Beohm-Rock Choi, Jong-Sun Lim, Chang-Oh Jeong
-
Publication number: 20080094320Abstract: A display device and a method of driving the same, win which the display device includes a light emitting element and a driving transistor supplying a driving current to the light emitting element, and in which one of a data voltage or a reverse bias voltage is applied to the driving transistor in an alternating manner, and the reverse bias voltage is an AC voltage.Type: ApplicationFiled: April 4, 2007Publication date: April 24, 2008Inventors: Kunjal Parikh, Kyuha Chung, Nam-Deog Kim, Beohm-Rock Choi, Joon-Chul Goh, Joon-Hoo Choi
-
Patent number: 7345314Abstract: An organic light emitting diode display includes an insulating layer, a stress buffer disposed on the insulating layer, a first electrode disposed on the stress buffer, an organic light emitting member disposed on the first electrode, and a second electrode disposed on the organic light emitting member.Type: GrantFiled: August 11, 2005Date of Patent: March 18, 2008Assignee: Samsung Electronics Co., Ltd.Inventors: Jae-Hoon Chung, Nam-Deog Kim, Jung-Soo Rhee, Beohm-Rock Choi, Jong-Sun Lim, Chang-Oh Jeong
-
Publication number: 20080024476Abstract: A display device and a driving method thereof include a plurality of light emitting elements arranged in a matrix form, for emitting different colors of light from each other, a plurality of driving transistors which supply a driving current to the light emitting elements, and photosensors which sense the amount of light emitted from the light emitting elements and produce a sense signal according to the sensed amount of light, the photosensors being positioned at a space between the plurality of light emitting elements.Type: ApplicationFiled: February 21, 2007Publication date: January 31, 2008Applicant: SAMSUNG ELECTRONICS CO., LTDInventors: Joon-Hoo CHOI, Kyuha CHUNG, Nam-Deog KIM, Byung-Seong BAE