Patents by Inventor Guensik Lee
Guensik Lee 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).
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Patent number: 11393244Abstract: The present disclosure relates to a flat panel display embedding an optical imaging sensor such as a fingerprint image sensor.Type: GrantFiled: April 2, 2020Date of Patent: July 19, 2022Assignee: LG DISPLAY CO., LTD.Inventors: Guensik Lee, Seungman Ryu, Ara Yoon, Junghoon Lee
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Patent number: 10921751Abstract: The invention relates to a method for producing a holographic optical element by providing a recording stack comprising at least one recording element laminated on at least one supporting element, irradiating at least a part of the recording stack with at least one recording beam in an irradiating step, wherein during the irradiating step, the recording stack bends, providing a bending deviation threshold for the recording stack, and adjusting at least one first process parameter such that an expected maximum bending deviation of the recording stack does not exceed the bending deviation threshold, wherein the at least one first process parameter influences the bending behaviour of the recording stack during the irradiating step.Type: GrantFiled: August 8, 2018Date of Patent: February 16, 2021Assignees: LG Display Co., Ltd., Covestro Deutschland AGInventors: Hyungseok Bang, Heejin Im, Guensik Lee, Friedrich-Karl Bruder, Thomas Peter Facke, Marc-Stephan Weiser, Rainer Hagen, Thomas Rolle, Horst Berneth, Dennis Honel, Günther Walze
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Patent number: 10877595Abstract: The present disclosure relates to a fingerprint sensor integrated type touch screen panel having at least one fingerprint/touch area and a plurality of touch areas.Type: GrantFiled: October 23, 2017Date of Patent: December 29, 2020Assignee: LG DISPLAY CO., LTD.Inventors: Manhyeop Han, Guensik Lee, Kyoseop Choo
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Patent number: 10776598Abstract: Disclosed herein is an optical image sensor device comprising a light source; a first printed circuit board (PCB) having a first through hole for accommodating the light source; a directional light unit configured to progress a light from the light source through a total refraction, and configured to converge light deviated from the total reflection by an object having biometric information when the object is placed to be adjacent to the directional light unit in a predetermined area, and emit it outside thereof; and an optical sensor between the first PCB and the directional light unit to receive the light emitted from the directional light unit.Type: GrantFiled: December 11, 2017Date of Patent: September 15, 2020Assignee: LG Display Co., Ltd.Inventors: Junghoon Lee, Guensik Lee
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Patent number: 10747175Abstract: A fingerprint sensor integrated display using a holographic optical element and a recording and reconstruction method of the holographic optical element are disclosed. The fingerprint sensor integrated display includes a display panel on which an input image is displayed, a transparent substrate disposed on the display panel, and a light entering element configured to irradiate light from a light source onto the transparent substrate. A particular type of visual information is reconstructed through a holographic element at a location of the light entering element.Type: GrantFiled: April 26, 2018Date of Patent: August 18, 2020Assignee: LG Display Co., Ltd.Inventors: Guensik Lee, Kyoseop Choo, Seungman Ryu, Junghoon Lee
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Patent number: 10741621Abstract: Disclosed is a display device including a display panel configured to be situated under a transparent substrate and display an image on a display area toward the transparent substrate, a fingerprint sensor under the display panel to detect a fingerprint contacting the transparent substrate, and a drive integrated circuit (drive IC) configured to drive the display panel.Type: GrantFiled: November 20, 2017Date of Patent: August 11, 2020Assignee: LG DISPLAY CO., LTD.Inventors: Kyoseop Choo, Buyeol Lee, Jonghee Hwang, Guensik Lee
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Patent number: 10726232Abstract: The present disclosure relates to a flat panel display having an optical imaging sensor such as a fingerprint image sensor. The present disclosure provides a flat panel display having an image sensor comprising: a display panel including a display area and a non-display area, the display panel having a top surface; a directional optical unit attached to the top surface of the display panel, the directional optical unit having a length along a length axis of the display panel, a width along a width axis of the display panel and a thickness along a thickness axis of the display panel; a sensing light control film disposed under the display panel; and an image sensor disposed under the sensing light control film.Type: GrantFiled: May 2, 2018Date of Patent: July 28, 2020Assignee: LG Display Co., Ltd.Inventors: Seungman Ryu, Guensik Lee, Joobong Hyun, Ara Yoon
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Publication number: 20200226345Abstract: The present disclosure relates to a flat panel display embedding an optical imaging sensor such as a fingerprint image sensor.Type: ApplicationFiled: April 2, 2020Publication date: July 16, 2020Applicant: LG Display Co., Ltd.Inventors: Guensik LEE, Seungman RYU, ARa YOON, Junghoon LEE
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Patent number: 10714554Abstract: Disclosed is an electroluminescent display device integrated with image sensors, including: a display panel having a plurality of pixels; a display panel driving circuit configured to write data of an input image into the pixels during a display mode so as to display the input image with the pixels; and a sensor processing circuit configured to apply a reverse bias to Organic Light Emitting Diodes (OLEDs) disposed in at least some of the pixels during a sensor mode so as to process sensor signals received from the pixels.Type: GrantFiled: November 8, 2017Date of Patent: July 14, 2020Assignee: LG Display Co., Ltd.Inventors: Kyoseop Choo, Guensik Lee, Manhyeop Han
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Patent number: 10691910Abstract: A display device and a mobile information terminal including the same are disclosed. The display device includes a display panel on which a fingerprint is touched, and a fingerprint sensor coupled to the display panel configured to sense light reflected from the fingerprint on a display area of the display panel. The fingerprint sensor is attached obliquely on the display panel at a predetermined angle to a reference line parallel to a long axis of the display panel.Type: GrantFiled: September 10, 2018Date of Patent: June 23, 2020Assignee: LG Display Co., Ltd.Inventors: Guensik Lee, Kyoseop Choo, Manhyeop Han, Junghoon Lee
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Patent number: 10657352Abstract: The present disclosure relates to a flat panel display embedding an optical imaging sensor such as a fingerprint image sensor.Type: GrantFiled: December 7, 2017Date of Patent: May 19, 2020Assignee: LG Display Co., Ltd.Inventors: Guensik Lee, Seungman Ryu, ARa Yoon, Junghoon Lee
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Patent number: 10580822Abstract: Disclosed herein is a circuit comprising a first thin film transistor (TFT) and storage capacitor having a first electrode and a second electrode configured to face to each other. A second TFT is coupled to the capacitor, wherein a first gate electrode of the first TFT, a first electrode of the storage capacitor and a second gate electrode of the second TFT are integrally formed.Type: GrantFiled: October 5, 2018Date of Patent: March 3, 2020Assignee: LG DISPLAY CO., LTD.Inventors: Kyoseop Choo, Guensik Lee, Manhyeop Han
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Patent number: 10514488Abstract: The present disclosure relates to a flat panel display embedding an optical imaging sensor such as a fingerprint image sensor. The present disclosure suggests a flat panel display embedding an image sensor comprising: a display panel including a display area and a non-display area; and a directional optical unit having a length and a width corresponding to the display panel and a thickness, and attached on a top surface of the display panel, wherein the directional optical unit provides a sensing light to the display area, and wherein the sensing light is collimated and directionized to a predetermined direction.Type: GrantFiled: November 21, 2017Date of Patent: December 24, 2019Assignee: LG Display Co., Ltd.Inventors: Guensik Lee, Kyoseop Choo
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Patent number: 10395086Abstract: The present disclosure relates to a flat panel display embedding an optical imaging sensor such as a fingerprint image sensor. The present disclosure suggests a flat panel display embedding an image sensor comprising: a display panel including a display area and a non-display area; and a directional optical unit having a length and a width corresponding to the display panel and a thickness, and attached on a top surface of the display panel, wherein the directional optical unit provides a sensing light beam to the display area, and wherein the sensing light is collimated and directionized to a predetermined direction.Type: GrantFiled: May 2, 2018Date of Patent: August 27, 2019Assignee: LG Display Co., Ltd.Inventors: Guensik Lee, Kyoseop Choo, Seungman Ryu
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Publication number: 20190080140Abstract: A display device and a mobile information terminal including the same are disclosed. The display device includes a display panel on which a fingerprint is touched, and a fingerprint sensor coupled to the display panel configured to sense light reflected from the fingerprint on a display area of the display panel. The fingerprint sensor is attached obliquely on the display panel at a predetermined angle to a reference line parallel to a long axis of the display panel.Type: ApplicationFiled: September 10, 2018Publication date: March 14, 2019Inventors: Guensik LEE, Kyoseop CHOO, Manhyeop HAN, Junghoon LEE
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Publication number: 20190051694Abstract: Disclosed herein is a circuit comprising a first thin film transistor (TFT) and storage capacitor having a first electrode and a second electrode configured to face to each other. A second TFT is coupled to the capacitor, wherein a first gate electrode of the first TFT, a first electrode of the storage capacitor and a second gate electrode of the second TFT are integrally formed.Type: ApplicationFiled: October 5, 2018Publication date: February 14, 2019Inventors: Kyoseop CHOO, Guensik LEE, Manhyeop HAN
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Publication number: 20180365475Abstract: Disclosed herein is an optical image sensor device comprising a light source; a first printed circuit board (PCB) having a first through hole for accommodating the light source; a directional light unit configured to progress a light from the light source through a total refraction, and configured to converge light deviated from the total reflection by an object having biometric information when the object is placed to be adjacent to the directional light unit in a predetermined area, and emit it outside thereof; and an optical sensor between the first PCB and the directional light unit to receive the light emitted from the directional light unit.Type: ApplicationFiled: December 11, 2017Publication date: December 20, 2018Inventors: Junghoon LEE, Guensik LEE
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Publication number: 20180348704Abstract: The invention relates to a method for producing a holographic optical element by providing a recording stack comprising at least one recording element laminated on at least one supporting element, irradiating at least a part of the recording stack with at least one recording beam in an irradiating step, wherein during the irradiating step, the recording stack bends, providing a bending deviation threshold for the recording stack, and adjusting at least one first process parameter such that an expected maximum bending deviation of the recording stack does not exceed the bending deviation threshold, wherein the at least one first process parameter influences the bending behaviour of the recording stack during the irradiating step.Type: ApplicationFiled: August 8, 2018Publication date: December 6, 2018Inventors: Hyungseok BANG, Heejin IM, Guensik LEE, Friedrich-Karl BRUDER, Thomas Peter FACKE, Marc-Stephan WEISER, Rainer HAGEN, Thomas ROLLE, Horst BERNETH, Dennis HONEL, Günther WALZE
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Patent number: 10134800Abstract: Disclosed herein is a photo sensor comprising a first thin film transistor (TFT) configured to convert light energy to electric energy; a storage capacitor having a first electrode and a second electrode configured to face to each other, and storing the electric energy from the first TFT as charge; and a second TFT configured to output the charge stored in the storage capacitor according to a control signal, wherein a first gate electrode of the first TFT, a first electrode of the storage capacitor and a second gate electrode of the second TFT are integrally formed.Type: GrantFiled: November 7, 2017Date of Patent: November 20, 2018Assignee: LG DISPLAY CO., LTD.Inventors: Kyoseop Choo, Guensik Lee, Manhyeop Han
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Publication number: 20180322324Abstract: The present disclosure relates to a flat panel display having an optical imaging sensor such as a fingerprint image sensor. The present disclosure provides a flat panel display having an image sensor comprising: a display panel including a display area and a non-display area, the display panel having a top surface; a directional optical unit attached to the top surface of the display panel, the directional optical unit having a length along a length axis of the display panel, a width along a width axis of the display panel and a thickness along a thickness axis of the display panel; a sensing light control film disposed under the display panel; and an image sensor disposed under the sensing light control film.Type: ApplicationFiled: May 2, 2018Publication date: November 8, 2018Inventors: Seungman RYU, Guensik LEE, Joobong HYUN, Ara YOON