Patents by Inventor Yong-mo Choi

Yong-mo Choi 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: 20150114447
    Abstract: A junction box connected to a photoelectric converter and including a body with a diode. The body includes first parts that are parallel to each other, a second part connecting ends of the first parts, and a bridge connecting the first parts. The diode is in the bridge, and the second part is spaced from the bridge to form an opening.
    Type: Application
    Filed: September 4, 2014
    Publication date: April 30, 2015
    Inventors: Yoon-Mook KANG, Jae-Hoon LEE, Jong-Chul LEE, Sun-Dong CHOI, Chan-Yoon JUNG, Bum-Rae KIM, Yong-Mo CHOI, Seung-Hee LEE, Jong-San IM, Jeong-Ho SON
  • Patent number: 8952876
    Abstract: A display substrate includes a base substrate, a first insulating layer formed on a base substrate, a pixel including a pixel electrode having the first insulating layer, and a circuit including a circuit transistor disposed on a peripheral area to drive the pixel. The pixel includes a first channel formed on the base substrate having the first insulating layer formed thereon. The first channel includes a poly-silicon layer, a first source electrode and a first drain electrode formed on the first channel that are spaced apart from each other, and a first gate electrode formed on the first source electrode and the first drain electrode corresponding to the first channel which is formed of the transparent conductive material. The poly-silicon layer is formed at a front channel portion of the first channel proximal to the first gate electrode through the first gate electrode.
    Type: Grant
    Filed: October 8, 2010
    Date of Patent: February 10, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyung-Jun Kim, Sung-Haeng Cho, Yong-Mo Choi
  • Publication number: 20150020882
    Abstract: A sealing member according to an exemplary embodiment of the present invention includes a first plate having a predetermined width with a plate shape, and a second plate with a plate shape connected to both ends of the first plate, wherein the first plate and the second plate have the same plate shape and form a closed line.
    Type: Application
    Filed: November 13, 2013
    Publication date: January 22, 2015
    Applicant: SAMSUNG SDI CO., LTD.
    Inventors: Jong-Chul Lee, Chan-Yoon Jung, Yoon-Mook Kang, Yong-Mo Choi, Seung-Hee Lee, Jae-Hoon Lee, Do-Hyun Baek, Jong-San Im, Jeong-Ho Son, Sun-Dong Choi, Soon-Pil Hyeon, Bum-Rae Kim
  • Patent number: 8932917
    Abstract: A manufacturing method of a thin film transistor (TFT) includes forming a gate electrode including a metal that can be combined with silicon to form silicide on a substrate and forming a gate insulation layer by supplying a gas which includes silicon to the gate electrode at a temperature below about 280° C. The method further includes forming a semiconductor on the gate insulation layer, forming a data line and a drain electrode on the semiconductor and forming a pixel electrode connected to the drain electrode.
    Type: Grant
    Filed: July 12, 2013
    Date of Patent: January 13, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Byoung-June Kim, Jae-Ho Choi, Chang-Oh Jeong, Sung-Hoon Yang, Je-Hun Lee, Do-Hyun Kim, Hwa-Yeul Oh, Yong-Mo Choi
  • Patent number: 8755019
    Abstract: A method of manufacturing a liquid crystal display includes: forming a gate line including a gate electrode on a first substrate; forming a gate insulating layer on the gate line; sequentially forming a semiconductor layer, an amorphous silicon layer, and a data metal layer on the entire surface of the gate insulating layer; aligning the edges of the semiconductor layer and the data metal layer; forming a transparent conductive layer on the gate insulating layer and the data metal layer; forming a first pixel electrode and a second pixel electrode by patterning the transparent conductive layer; and forming a data line including a source electrode, a drain electrode, and an ohmic contact layer by etching the data metal layer and the amorphous silicon layer, using the first pixel electrode and the second pixel electrode as a mask, and exposing the semiconductor between the source electrode and the drain electrode.
    Type: Grant
    Filed: July 28, 2011
    Date of Patent: June 17, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ji-Young Park, Sang Gab Kim, Yong-Mo Choi, Hyung Jun Kim, Sung-Haeng Cho, Hong-Sick Park, Byeong-Jin Lee, Soo-Wan Yoon
  • Publication number: 20130295731
    Abstract: A manufacturing method of a thin film transistor (TFT) includes forming a gate electrode including a metal that can be combined with silicon to form silicide on a substrate and forming a gate insulation layer by supplying a gas which includes silicon to the gate electrode at a temperature below about 280° C. The method further includes forming a semiconductor on the gate insulation layer, forming a data line and a drain electrode on the semiconductor and forming a pixel electrode connected to the drain electrode.
    Type: Application
    Filed: July 12, 2013
    Publication date: November 7, 2013
    Inventors: BYOUNG-JUNE KIM, Jae-Ho Choi, Chang-Oh Jeong, Sung-Hoon Yang, Je-Hun Lee, Do-Hyun Kim, Hwa-Yeul Oh, Yong-Mo Choi
  • Patent number: 8486775
    Abstract: A manufacturing method of a thin film transistor (TFT) includes forming a gate electrode including a metal that can be combined with silicon to form silicide on a substrate and forming a gate insulation layer by supplying a gas which includes silicon to the gate electrode at a temperature below about 280° C. The method further includes forming a semiconductor on the gate insulation layer, forming a data line and a drain electrode on the semiconductor and forming a pixel electrode connected to the drain electrode.
    Type: Grant
    Filed: February 3, 2011
    Date of Patent: July 16, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Byoung-June Kim, Jae-Ho Choi, Chang-Oh Jeong, Sung-Hoon Yang, Je-Hun Lee, Do-Hyun Kim, Hwa-Yeul Oh, Yong-Mo Choi
  • Patent number: 8450129
    Abstract: A thin film transistor (TFT) substrate is provided in which a sufficiently large contact area between conductive materials is provided in a contact portion and a method of fabricating the TFT substrate. The TFT substrate includes a gate interconnection line formed on an insulating substrate, a gate insulating layer covering the gate interconnection line, a semiconductor layer arranged on the gate insulating layer, a data interconnection line including a data line, a source electrode and a drain electrode formed on the semiconductor layer, a first passivation layer formed on the data interconnection line and exposing the drain electrode, a second passivation layer formed on the first passivation film and a pixel electrode electrically connected to the drain electrode. An outer sidewall of the second passivation layer is positioned inside an outer sidewall of the first passivation layer.
    Type: Grant
    Filed: September 13, 2011
    Date of Patent: May 28, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hong-Kee Chin, Sang-Gab Kim, Woong-Kwon Kim, Yong-Mo Choi, Seung-Ha Choi, Shin-Il Choi, Ho-Jun Lee, Jung-Suk Bang, Yu-Gwang Jeong
  • Patent number: 8409916
    Abstract: A thin film transistor substrate includes an insulating plate; a gate electrode disposed on the insulating plate; a semiconductor layer comprising a metal oxide, wherein the metal oxide has oxygen defects of less than or equal to 3%, and wherein the metal oxide comprises about 0.01 mole/cm3 to about 0.3 mole/cm3 of a 3d transition metal; a gate insulating layer disposed between the gate electrode and the semiconductor layer; and a source electrode and a drain electrode disposed on the semiconductor layer. Also described is a display substrate. The metal oxide has oxygen defects of less than or equal to 3%, and is doped with about 0.01 mole/cm3 to about 0.3 mole/cm3 of 3d transition metal. The metal oxide comprises indium oxide or titanium oxide. The 3d transition metal includes at least one 3d transition metal selected from the group consisting of chromium, cobalt, nickel, iron, manganese, and mixtures thereof.
    Type: Grant
    Filed: September 15, 2011
    Date of Patent: April 2, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kap-Soo Yoon, Sung-Hoon Yang, Byoung-June Kim, Czang-Ho Lee, Sung-Ryul Kim, Hwa-Yeul Oh, Jae-Ho Choi, Yong-Mo Choi
  • Patent number: 8319905
    Abstract: Provided are a display substrate and a display device including the same. The display substrate includes: gate wiring; a first semiconductor pattern formed on the gate wiring and having a first energy bandgap; a second semiconductor pattern formed on the first semiconductor pattern and having a second energy bandgap which is greater than the first energy bandgap; data wiring formed on the first semiconductor pattern; and a pixel electrode electrically connected to the data wiring. Because the second energy bandgap is larger than the first energy bandgap, a quantum well is formed in the first semiconductor pattern, enhancing electron mobility therein.
    Type: Grant
    Filed: January 13, 2009
    Date of Patent: November 27, 2012
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kap-Soo Yoon, Sung-Hoon Yang, Sung-Ryul Kim, Hwa-Yeul Oh, Jae-Ho Choi, Yong-Mo Choi
  • Publication number: 20120133873
    Abstract: A method of manufacturing a liquid crystal display includes: forming a gate line including a gate electrode on a first substrate; forming a gate insulating layer on the gate line; sequentially forming a semiconductor layer, an amorphous silicon layer, and a data metal layer on the entire surface of the gate insulating layer; aligning the edges of the semiconductor layer and the data metal layer; forming a transparent conductive layer on the gate insulating layer and the data metal layer; forming a first pixel electrode and a second pixel electrode by patterning the transparent conductive layer; and forming a data line including a source electrode, a drain electrode, and an ohmic contact layer by etching the data metal layer and the amorphous silicon layer, using the first pixel electrode and the second pixel electrode as a mask, and exposing the semiconductor between the source electrode and the drain electrode.
    Type: Application
    Filed: July 28, 2011
    Publication date: May 31, 2012
    Inventors: Ji-Young PARK, Sang Gab Kim, Yong-Mo Choi, Hyung Jun Kim, Sung-Haeng Cho, Hong-Sick Park, Byeong-Jin Lee, Soo-Wan Yoon
  • Patent number: 8189131
    Abstract: A thin-film transistor (TFT) includes a gate electrode, a semiconductor pattern, a source electrode, and a drain electrode. The semiconductor pattern includes an active layer being overlapped with the gate electrode and a low band gap portion having a lower energy band gap than the active layer. The source and drain electrodes are spaced apart from each other to be overlapped with the semiconductor pattern. Therefore, the semiconductor pattern includes a low band gap portion having a lower energy band gap than the active layer, so that electron mobility may be increased in a channel formed along the low band gap portion so that electric characteristics of the TFT may be enhanced.
    Type: Grant
    Filed: August 8, 2008
    Date of Patent: May 29, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kap-Soo Yoon, Sung-Hoon Yang, Sung-Ryul Kim, Hwa-Yeul Oh, Jae-Ho Choi, Yong-Mo Choi
  • Patent number: 8183570
    Abstract: A thin film transistor array panel, in which a middle storage electrode and a storage electrode overlapping a drain electrode of a thin film transistor thereby forming a storage capacitance are formed. Accordingly, sufficient storage capacitance may be formed without a decrease of the aperture ratio and light transmittance of a liquid crystal display. Also, the capacitance may be sufficiently formed through the connecting member connected to a gate metal layer.
    Type: Grant
    Filed: November 16, 2010
    Date of Patent: May 22, 2012
    Assignee: Samsung Electronics Oc., Ltd.
    Inventors: Dong-Gyu Kim, Sung-Haeng Cho, Hyung-Jun Kim, Sung-Ryul Kim, Yong-Mo Choi
  • Patent number: 8174660
    Abstract: Provided are a metal line, a method of forming the same, and a display using the same. To increase resistance of a metal line having a multilayered structure of CuO/Cu and prevent blister formation, a plasma treatment is performed using a nitrogen-containing gas and a silicon-containing gas or using a hydrogen or argon as and the silicon-containing gas. Accordingly, a plasma treatment layer such as a SiNx or Si layer is thinly formed on the copper layer, thereby preventing an increase in resistance of the copper layer and also preventing blister formation caused by the damage of a copper oxide layer. Consequently, it is possible to improve the reliability of a copper line and thus enhance the reliability of a device.
    Type: Grant
    Filed: December 10, 2008
    Date of Patent: May 8, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung Ryul Kim, Yong-Mo Choi, Sung-Hoon Yang, Hwa-Yeul Oh, Kap-Soo Yoon, Jae-Ho Choi, Seong-Hun Kim
  • Publication number: 20120003768
    Abstract: A thin film transistor (TFT) substrate is provided in which a sufficiently large contact area between conductive materials is provided in a contact portion and a method of fabricating the TFT substrate. The TFT substrate includes a gate interconnection line formed on an insulating substrate, a gate insulating layer covering the gate interconnection line, a semiconductor layer arranged on the gate insulating layer, a data interconnection line including a data line, a source electrode and a drain electrode formed on the semiconductor layer, a first passivation layer formed on the data interconnection line and exposing the drain electrode, a second passivation layer formed on the first passivation film and a pixel electrode electrically connected to the drain electrode. An outer sidewall of the second passivation layer is positioned inside an outer sidewall of the first passivation layer.
    Type: Application
    Filed: September 13, 2011
    Publication date: January 5, 2012
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hong-Kee CHIN, Sang-Gab KIM, Woong-Kwon KIM, Yong-Mo CHOI, Seung-Ha CHOI, Shin-Il CHOI, Ho-Jun LEE, Jung-Suk BANG, Yu-Gwang JEONG
  • Publication number: 20120003769
    Abstract: A thin film transistor substrate includes an insulating plate; a gate electrode disposed on the insulating plate; a semiconductor layer comprising a metal oxide, wherein the metal oxide has oxygen defects of less than or equal to 3%, and wherein the metal oxide comprises about 0.01 mole/cm3 to about 0.3 mole/cm3 of a 3d transition metal; a gate insulating layer disposed between the gate electrode and the semiconductor layer; and a source electrode and a drain electrode disposed on the semiconductor layer. Also described is a display substrate. The metal oxide has oxygen defects of less than or equal to 3%, and is doped with about 0.01 mole/cm3 to about 0.3 mole/cm3 of 3d transition metal. The metal oxide comprises indium oxide or titanium oxide. The 3d transition metal includes at least one 3d transition metal selected from the group consisting of chromium, cobalt, nickel, iron, manganese, and mixtures thereof.
    Type: Application
    Filed: September 15, 2011
    Publication date: January 5, 2012
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kap-Soo YOON, Sung-Hoon YANG, Byoung-June KIM, Czang-Ho LEE, Sung-Ryul KIM, Hwa-Yeul OH, Jae-Ho CHOI, Yong-Mo CHOI
  • Patent number: 8088653
    Abstract: A TFT includes a gate electrode, an active layer, a source electrode, a drain electrode, and a buffer layer. The gate electrode is formed on the substrate; the active layer is formed on the gate electrode. The source and drain electrodes, formed on the active layer, are separated by a predetermined distance. The buffer layer is formed between the active layer and the source and drain electrodes. The buffer layer has a substantially continuously varying content ratio corresponding to a buffer layer thickness. The buffer layer is formed to suppress oxidation of the active layer, and reduce contact resistance.
    Type: Grant
    Filed: October 22, 2009
    Date of Patent: January 3, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Byoung-June Kim, Sung-Hoon Yang, Min-Seok Oh, Jae-Ho Choi, Yong-Mo Choi
  • Patent number: 8044405
    Abstract: A thin film transistor (TFT) substrate is provided in which a sufficiently large contact area between conductive materials is provided in a contact portion and a method of fabricating the TFT substrate. The TFT substrate includes a gate interconnection line formed on an insulating substrate, a gate insulating layer covering the gate interconnection line, a semiconductor layer arranged on the gate insulating layer, a data interconnection line including a data line, a source electrode and a drain electrode formed on the semiconductor layer, a first passivation layer formed on the data interconnection line and exposing the drain electrode, a second passivation layer formed on the first passivation film and a pixel electrode electrically connected to the drain electrode. An outer sidewall of the second passivation layer is positioned inside an outer sidewall of the first passivation layer.
    Type: Grant
    Filed: April 24, 2009
    Date of Patent: October 25, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hong-Kee Chin, Sang-Gab Kim, Woong-Kwon Kim, Yong-Mo Choi, Seung-Ha Choi, Shin-Il Choi, Ho-Jun Lee, Jung-Suk Bang, Yu-Gwang Jeong
  • Patent number: 8035100
    Abstract: A thin film transistor substrate includes an insulating plate; a gate electrode disposed on the insulating plate; a semiconductor layer comprising a metal oxide, wherein the metal oxide has oxygen defects of less than or equal to 3%, and wherein the metal oxide comprises about 0.01 mole/cm3 to about 0.3 mole/cm3 of a 3d transition metal; a gate insulating layer disposed between the gate electrode and the semiconductor layer; and a source electrode and a drain electrode disposed on the semiconductor layer. Also described is a display substrate. The metal oxide has oxygen defects of less than or equal to 3%, and is doped with about 0.01 mole/cm3 to about 0.3 mole/cm3 of 3d transition metal. The metal oxide comprises indium oxide or titanium oxide. The 3d transition metal includes at least one 3d transition metal selected from the group consisting of chromium, cobalt, nickel, iron, manganese, and mixtures thereof.
    Type: Grant
    Filed: August 25, 2008
    Date of Patent: October 11, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kap-Soo Yoon, Sung-Hoon Yang, Byoung-June Kim, Czang-Ho Lee, Sung-Ryul Kim, Hwa-Yeul Oh, Jae-Ho Choi, Yong-Mo Choi
  • Publication number: 20110183463
    Abstract: A method of manufacturing a thin film transistor (“TFT”) substrate includes forming a first conductive pattern group including a gate electrode on a substrate, forming a gate insulating layer on the first conductive pattern group, forming a semiconductor layer and an ohmic contact layer on the gate insulating layer by patterning an amorphous silicon layer and an oxide semiconductor layer, forming a second conductive pattern group including a source electrode and a drain electrode on the ohmic contact layer by patterning a data metal layer, forming a protection layer including a contact hole on the second conductive pattern group, and forming a pixel electrode on the contact hole of the protection layer. The TFT substrate including the ohmic contact layer formed of an oxide semiconductor is further provided.
    Type: Application
    Filed: December 6, 2010
    Publication date: July 28, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sung-Ryul KIM, Sung-Hoon YANG, Byoung-June KIM, Czang-Ho LEE, Jae-Ho CHOI, Hwa-Yeul OH, Yong-Mo CHOI