Patents by Inventor Ho Sik Jeon

Ho Sik Jeon 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: 9996179
    Abstract: A display apparatus capable of image scanning is provided including a contact sensor arranged in each unit pixel. The contact sensor includes a pixel electrode forming a contact capacitance by contact with a contact means; a reset transistor where a drain electrode is connected to a node where the contact capacitance is formed, and each of a gate electrode and a source electrode is connected to a first scan line to which a selective signal is applied; an amplifying transistor where a gate electrode is connected to the drain electrode of the reset transistor; and a detecting transistor where a drain electrode is connected to the drain electrode of the amplifying transistor, a gate electrode is connected to a second scan line to which a selective signal is applied, and a source electrode is connected to a readout line detecting a current corresponding to the contact capacitance.
    Type: Grant
    Filed: September 1, 2017
    Date of Patent: June 12, 2018
    Assignee: Crucialtec Co., Ltd.
    Inventors: Byung Seong Bae, Ho Sik Jeon, Woo Young Choi, Jong Uk Kim, Jun Suk Lee, So Hyun Jeong, Ju An Yoon, Sang A Oh
  • Patent number: 9891746
    Abstract: A display apparatus capable of image scanning and a driving method thereof are provided. A display apparatus capable of image scanning includes a plurality of contact sensors each of which includes an N-type transistor, a P-type transistor connected to a gate electrode of the N-type transistor, and a sensing capacitor, the plurality of contact sensors being arranged so as not to cover a unit color pixel area of a color filter layer; a first scan line to which a selective signal is periodically applied, the first scan line being connected to a source electrode of the N-type transistor; a second scan line to which a selective signal is applied followed by the first scan line, the second scan line being connected to the gate electrode and source electrode of the P-type transistor; and a readout line connected to the drain electrode of the N-type transistor.
    Type: Grant
    Filed: November 11, 2015
    Date of Patent: February 13, 2018
    Assignee: CRUCIALTEC CO., LTD.
    Inventors: Byung Seong Bae, Ho Sik Jeon, Woo Young Choi, Jong Uk Kim, Jun Suk Lee, So Hyun Jeong, Ju An Yoon, Sang A Oh
  • Patent number: 9864448
    Abstract: A display apparatus capable of image scanning is provided including a contact sensor arranged in each unit pixel. The contact sensor includes a pixel electrode forming a contact capacitance by contact with a contact means; a reset transistor where a drain electrode is connected to a node where the contact capacitance is formed, and each of a gate electrode and a source electrode is connected to a first scan line to which a selective signal is applied; an amplifying transistor where a gate electrode is connected to the drain electrode of the reset transistor; and a detecting transistor where a drain electrode is connected to the drain electrode of the amplifying transistor, a gate electrode is connected to a second scan line to which a selective signal is applied, and a source electrode is connected to a readout line detecting a current corresponding to the contact capacitance.
    Type: Grant
    Filed: May 8, 2017
    Date of Patent: January 9, 2018
    Assignee: Crucialtec Co., Ltd.
    Inventors: Byung Seong Bae, Ho Sik Jeon, Woo Young Choi, Jong Uk Kim, Jun Suk Lee, So Hyun Jeong, Ju An Yoon, Sang A Oh
  • Publication number: 20170364188
    Abstract: A display apparatus capable of image scanning is provided including a contact sensor arranged in each unit pixel. The contact sensor includes a pixel electrode forming a contact capacitance by contact with a contact means; a reset transistor where a drain electrode is connected to a node where the contact capacitance is formed, and each of a gate electrode and a source electrode is connected to a first scan line to which a selective signal is applied; an amplifying transistor where a gate electrode is connected to the drain electrode of the reset transistor; and a detecting transistor where a drain electrode is connected to the drain electrode of the amplifying transistor, a gate electrode is connected to a second scan line to which a selective signal is applied, and a source electrode is connected to a readout line detecting a current corresponding to the contact capacitance.
    Type: Application
    Filed: September 1, 2017
    Publication date: December 21, 2017
    Inventors: Byung Seong BAE, Ho Sik JEON, Woo Young CHOI, Jong Uk KIM, Jun Suk LEE, So Hyun JEONG, Ju An YOON, Sang A OH
  • Publication number: 20170351364
    Abstract: Disclosed in the present specification is a method for driving a display device capable of scanning an image, the display device comprising: a display module including a plurality of unit pixels arranged in a display area in which an image is displayed; and a contact sensor module forming a sensing area, which overlaps with the display area, and including at least one contact sensor respectively corresponding to the unit pixels, and the method comprising: a sensing mode identification step of identifying a sensing mode of the display device; a contact sensor selection step of selecting contact sensors to be activated, according to the identified sensing mode; and a contact sensor activation and sensing step of activating the selected contact sensors and receiving sensing signals from the activated contact sensors.
    Type: Application
    Filed: November 10, 2015
    Publication date: December 7, 2017
    Inventors: Jong Uk KIM, Ho Sik Jeon
  • Patent number: 9823771
    Abstract: According to an embodiment, the present invention provides a display apparatus capable of image scanning and a driving method thereof. According to an embodiment, the present invention provides a display apparatus capable of image scanning, including a plurality of contact sensors, each of them being arranged so as not to overlap a unit color pixel of a color filter layer and including only one sensing transistor generating a leakage current corresponding to the strength of light reflected from an outside object, a scan line applied with a selective signal selecting at least a part of the contact sensors among the plurality of contact sensors, and a readout line receiving an output signal corresponding to the amount of electric charge charged in a parasitic capacitance of the sensing transistor by the leakage current from a contact sensor applied with the selective signal.
    Type: Grant
    Filed: November 11, 2015
    Date of Patent: November 21, 2017
    Assignee: CRUCIALTEC CO., LTD.
    Inventors: Byung Seong Bae, Ho Sik Jeon, Woo Young Choi, Jong Uk Kim, Jun Suk Lee, So Hyun Jeong, Ju An Yoon, Sang A Oh
  • Publication number: 20170242516
    Abstract: A display apparatus capable of image scanning is provided including a contact sensor arranged in each unit pixel. The contact sensor includes a pixel electrode forming a contact capacitance by contact with a contact means; a reset transistor where a drain electrode is connected to a node where the contact capacitance is formed, and each of a gate electrode and a source electrode is connected to a first scan line to which a selective signal is applied; an amplifying transistor where a gate electrode is connected to the drain electrode of the reset transistor; and a detecting transistor where a drain electrode is connected to the drain electrode of the amplifying transistor, a gate electrode is connected to a second scan line to which a selective signal is applied, and a source electrode is connected to a readout line detecting a current corresponding to the contact capacitance.
    Type: Application
    Filed: May 8, 2017
    Publication date: August 24, 2017
    Inventors: Byung Seong BAE, Ho Sik JEON, Woo Young CHOI, Jong Uk KIM, Jun Suk LEE, So Hyun JEONG, Ju An YOON, Sang A OH
  • Patent number: 9679182
    Abstract: According to an embodiment of the present invention, a display apparatus capable of image scanning and a method for driving the same are provided. According to an embodiment of the present invention, a display apparatus capable of image scanning is provided including a contact sensor arranged in each unit pixel.
    Type: Grant
    Filed: November 11, 2015
    Date of Patent: June 13, 2017
    Assignee: CRUCIALTEC CO., LTD.
    Inventors: Byung Seong Bae, Ho Sik Jeon, Woo Young Choi, Jong Uk Kim, Jun Suk Lee, So Hyun Jeong, Ju An Yoon, Sang A Oh
  • Publication number: 20160266695
    Abstract: Disclosed is a fingerprint-sensing display capable of sensing a fingerprint on a display screen. The display apparatus having an image scanning function includes an optical amplification cover, one side of which forms a display surface, including a transparent optical amplification layer configured to amplify an optical pattern generated by a fingerprint of a user in contact with the display surface and a cover window for reinforcement, a thin film transistor (TFT) array configured to drive a plurality of pixels forming an image, and an optical sensor array disposed between the optical amplification cover and the TFT array and configured to sense the optical pattern amplified by the optical amplification cover.
    Type: Application
    Filed: March 10, 2016
    Publication date: September 15, 2016
    Inventors: Byung Seong Bae, Jong Uk Kim, Jae Heung Kim, Chang Sup Shim, Ga Won Choi, Ho Sik Jeon, Woo Young Choi, Jun Suk Lee, So Hyun Jeong, Ju An Yoon, Sang A Oh
  • Publication number: 20160132177
    Abstract: According to an embodiment, the present invention provides a display apparatus capable of image scanning and a driving method thereof. According to an embodiment, the present invention provides a display apparatus capable of image scanning, including a plurality of contact sensors, each of them being arranged so as not to overlap a unit color pixel of a color filter layer and including only one sensing transistor generating a leakage current corresponding to the strength of light reflected from an outside object, a scan line applied with a selective signal selecting at least a part of the contact sensors among the plurality of contact sensors, and a readout line receiving an output signal corresponding to the amount of electric charge charged in a parasitic capacitance of the sensing transistor by the leakage current from a contact sensor applied with the selective signal.
    Type: Application
    Filed: November 11, 2015
    Publication date: May 12, 2016
    Inventors: Byung Seong Bae, Ho Sik Jeon, Woo Young Choi, Jong Uk Kim, Jun Suk Lee, So Hyun Jeong, Ju An Yoon, Sang A Oh
  • Publication number: 20160132176
    Abstract: According to an embodiment, a display apparatus capable of image scanning and a driving method thereof is provided. According to an embodiment, a display apparatus capable of image scanning, which includes a plurality of contact sensors each of which includes an N-type transistor, a P-type transistor connected to a gate electrode of the N-type transistor, and a sensing capacitor one end of which is connected to a drain electrode of the N-type transistor, the plurality of contact sensors being arranged so as not to cover a unit color pixel area of a color filter layer; a first scan line to which a selective signal is periodically applied, the first scan line being connected to a source electrode of the N-type transistor; a second scan line to which a selective signal is applied followed by the first scan line, the second scan line being connected to the gate electrode and source electrode of the P-type transistor; and a readout line connected to the drain electrode of the N-type transistor.
    Type: Application
    Filed: November 11, 2015
    Publication date: May 12, 2016
    Inventors: Byung Seong Bae, Ho Sik Jeon, Woo Young Choi, Jong Uk Kim, Jun Suk Lee, So Hyun Jeong, Ju An Yoon, Sang A Oh
  • Publication number: 20160132713
    Abstract: According to an embodiment of the present invention, a display apparatus capable of image scanning and a method for driving the same are provided. According to an embodiment of the present invention, a display apparatus capable of image scanning is provided including a contact sensor arranged in each unit pixel.
    Type: Application
    Filed: November 11, 2015
    Publication date: May 12, 2016
    Inventors: Byung Seong Bae, Ho Sik Jeon, Woo Young Choi, Jong Uk Kim, Jun Suk Lee, So Hyun Jeong, Ju An Yoon, Sang A Oh
  • Patent number: 9214106
    Abstract: Provided are a photo sensor, a display device including the same, and a driving method thereof. The photo sensor includes: an amplifying element including an input terminal coupled to a scan line for receiving a scan signal, an output terminal configured to output a sensing signal, and a control terminal connected to a first node; a sensing capacitor connected with the first node; a photosensitive sensing element including a control terminal connected with a terminal of a first control signal, an output terminal connected with the first node, and an input terminal; and a reset element connected with the output terminal of the amplifying element and resetting the output terminal of the amplifying element to second voltage according to a reset control signal.
    Type: Grant
    Filed: June 21, 2012
    Date of Patent: December 15, 2015
    Assignees: HOSEO UNIVERSITY ACADEMIC COOPERATION FOUNDATION, SAMSUNG DISPLAY CO., LTD.
    Inventors: Sang Youn Han, Byung Seong Bae, Jun Ho Song, Sung Hoon Yang, Ho Sik Jeon
  • Publication number: 20130208261
    Abstract: Provided are a photo sensor, a display device including the same, and a driving method thereof The photo sensor includes: an amplifying element including an input terminal coupled to a scan line for receiving a scan signal, an output terminal configured to output a sensing signal, and a control terminal connected to a first node; a sensing capacitor connected with the first node; a photosensitive sensing element including a control terminal connected with a terminal of a first control signal, an output terminal connected with the first node, and an input terminal; and a reset element connected with the output terminal of the amplifying element and resetting the output terminal of the amplifying element to second voltage according to a reset control signal.
    Type: Application
    Filed: June 21, 2012
    Publication date: August 15, 2013
    Applicants: HOSEO UNIVERSITY ACADEMIC COOPERATION FOUNDATION, SAMSUNG DISPLAY CO., LTD.
    Inventors: Sang Youn HAN, Byung Seong BAE, Jun Ho SONG, Sung Hoon YANG, Ho Sik JEON
  • Patent number: 7564116
    Abstract: A printed circuit board having embedded capacitors includes a double-sided copper-clad laminate including first circuit layers formed in the outer layers thereof, the first circuit layers including bottom electrodes and circuit patterns; dielectric layers formed by depositing alumina films on the first circuit layers by atomic layer deposition; second circuit layers formed on the dielectric layers and including top electrodes and circuit patterns; one-sided copper-clad laminates formed on the second circuit layers; blind via-holes and through-holes formed in predetermined portions of the one-sided copper-clad laminates; and plating layers formed in the blind via-holes and the through-holes. The manufacturing method of the printed circuit board is also disclosed.
    Type: Grant
    Filed: January 18, 2008
    Date of Patent: July 21, 2009
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Jin Yong Ahn, Cheol Seong Hwang, Sung Kun Kim, Chang Sup Ryu, Suk-Hyeon Cho, Ho Sik Jeon
  • Patent number: 7378326
    Abstract: A printed circuit board having embedded capacitors includes a double-sided copper-clad laminate including first circuit layers formed in the outer layers thereof, the first circuit layers including bottom electrodes and circuit patterns; dielectric layers formed by depositing alumina films on the first circuit layers by atomic layer deposition; second circuit layers formed on the dielectric layers and including top electrodes and circuit patterns; one-sided copper-clad laminates formed on the second circuit layers; blind via-holes and through-holes formed in predetermined portions of the one-sided copper-clad laminates; and plating layers formed in the blind via-holes and the through-holes. The manufacturing method of the printed circuit board is also disclosed.
    Type: Grant
    Filed: February 28, 2006
    Date of Patent: May 27, 2008
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Jin Yong Ahn, Cheol Seong Hwang, Sung Kun Kim, Chang Sup Ryu, Suk Hyeon Cho, Ho Sik Jeon