Patents by Inventor Manhyeop Han
Manhyeop Han 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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Publication number: 20230359313Abstract: A touch sensor integrated display device is provided comprising gate lines and data lines formed on a substrate to be intersected with each other, a plurality of pixel electrodes formed at intersections between the gate lines and the data lines, and a common electrode formed to overlap the plurality of pixel electrodes through an insulating film disposed between the common electrode and the plurality of pixel electrodes, wherein the common electrode includes at least two touch electrodes, each of which is connected to at least one of signal lines arranged in one of a first direction and a second direction crossing the first direction.Type: ApplicationFiled: July 13, 2023Publication date: November 9, 2023Applicant: LG DISPLAY CO., LTD.Inventors: Cheolse KIM, Buyeol LEE, Sunjung LEE, Sangsoo HWANG, Yoonhwan WOO, Manhyeop HAN
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Patent number: 11740749Abstract: A touch sensor integrated display device is provided comprising gate lines and data lines formed on a substrate to be intersected with each other, a plurality of pixel electrodes formed at intersections between the gate lines and the data lines, and a common electrode formed to overlap the plurality of pixel electrodes through an insulating film disposed between the common electrode and the plurality of pixel electrodes, wherein the common electrode includes at least two touch electrodes, each of which is connected to at least one of signal lines arranged in one of a first direction and a second direction crossing the first direction.Type: GrantFiled: October 25, 2021Date of Patent: August 29, 2023Assignee: LG Display Co., Ltd.Inventors: Cheolse Kim, Buyeol Lee, Sunjung Lee, Sangsoo Hwang, Yoonhwan Woo, Manhyeop Han
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Patent number: 11314960Abstract: A display apparatus including a large-area fingerprint sensor includes a display panel displaying an image; a touch panel sensing a touch of a finger; a fingerprint sensor including a plurality of fingerprint pixels and recognizing a fingerprint of the finger; a fingerprint sensor driver driving the fingerprint sensor and including a driver driving the fingerprint sensor and a fingerprint recognizer recognizing a fingerprint by using sensing signals received from the fingerprint sensor; and a touch driver driving the touch panel, wherein the driver of the fingerprint sensor driver provides a sensing gate signal to sensing gate lines included in a first touch block determined being touched by touch position information received from the touch driver, among m (where m being an integer of 2 or greater) number of sensing gate lines included in the fingerprint sensor.Type: GrantFiled: June 26, 2020Date of Patent: April 26, 2022Assignee: LG DISPLAY CO., LTD.Inventors: Ji-Ho Cho, ManHyeop Han, Yongkyun Choi, Junghoon Lee
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Publication number: 20220113840Abstract: A touch sensor integrated display device is provided comprising gate lines and data lines formed on a substrate to be intersected with each other, a plurality of pixel electrodes formed at intersections between the gate lines and the data lines, and a common electrode formed to overlap the plurality of pixel electrodes through an insulating film disposed between the common electrode and the plurality of pixel electrodes, wherein the common electrode includes at least two touch electrodes, each of which is connected to at least one of signal lines arranged in one of a first direction and a second direction crossing the first direction.Type: ApplicationFiled: October 25, 2021Publication date: April 14, 2022Applicant: LG DISPLAY CO., LTD.Inventors: Cheolse KIM, Buyeol LEE, Sunjung LEE, Sangsoo HWANG, Yoonhwan WOO, Manhyeop HAN
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Patent number: 11216634Abstract: An ultrasonic sensor and a display device and may drive a plurality of sensing pixels disposed in the ultrasonic sensor simultaneously to transmit an ultrasonic wave, may make a first electrode disposed in a sensing pixel to be floated at a timing receiving a reflected signal to store the signal, and then may perform a sensing sequentially. Therefore, as an accurate sensing may be possible while reducing a duration and a number of an ultrasonic wave transmitting, a sensitivity and an accuracy of a sensing may be maintained while improving a driving efficiency of the ultrasonic sensor.Type: GrantFiled: November 30, 2020Date of Patent: January 4, 2022Assignee: LG Display Co., Ltd.Inventors: Yongkyun Choi, KiDuk Kim, JiHo Cho, ManHyeop Han, Junghoon Lee
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Patent number: 11157123Abstract: A touch sensor integrated display device is provided comprising gate lines and data lines formed on a substrate to be intersected with each other, a plurality of pixel electrodes formed at intersections between the gate lines and the data lines, and a common electrode formed to overlap the plurality of pixel electrodes through an insulating film disposed between the common electrode and the plurality of pixel electrodes, wherein the common electrode includes at least two touch electrodes, each of which is connected to at least one of signal lines arranged in one of a first direction and a second direction crossing the first direction.Type: GrantFiled: April 13, 2020Date of Patent: October 26, 2021Assignee: LG Display Co., Ltd.Inventors: Cheolse Kim, Buyeol Lee, Sunjung Lee, Sangsoo Hwang, Yoonhwan Woo, Manhyeop Han
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Publication number: 20210165988Abstract: An ultrasonic sensor and a display device and may drive a plurality of sensing pixels disposed in the ultrasonic sensor simultaneously to transmit an ultrasonic wave, may make a first electrode disposed in a sensing pixel to be floated at a timing receiving a reflected signal to store the signal, and then may perform a sensing sequentially. Therefore, as an accurate sensing may be possible while reducing a duration and a number of an ultrasonic wave transmitting, a sensitivity and an accuracy of a sensing may be maintained while improving a driving efficiency of the ultrasonic sensor.Type: ApplicationFiled: November 30, 2020Publication date: June 3, 2021Applicant: LG Display Co., Ltd.Inventors: Yongkyun CHOI, KiDuk KIM, JiHo CHO, ManHyeop HAN, Junghoon LEE
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Patent number: 10956705Abstract: A fingerprint recognition system may comprise: a display panel configured to display an image on a screen; a light source device configured to irradiate light onto a transparent substrate disposed on the screen of the display panel; an image sensor configured to obtain a fingerprint image with light reflected from a fingerprint contacting the transparent substrate on the screen; and an image sensor controller configured to control an exposure time of the image sensor to obtain the fingerprint image based on a contrast ratio of the fingerprint image.Type: GrantFiled: December 18, 2018Date of Patent: March 23, 2021Assignee: LG Display Co., Ltd.Inventors: Manhyeop Han, Jiho Cho
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Publication number: 20210019489Abstract: A display apparatus including a large-area fingerprint sensor includes a display panel displaying an image; a touch panel sensing a touch of a finger; a fingerprint sensor including a plurality of fingerprint pixels and recognizing a fingerprint of the finger; a fingerprint sensor driver driving the fingerprint sensor and including a driver driving the fingerprint sensor and a fingerprint recognizer recognizing a fingerprint by using sensing signals received from the fingerprint sensor; and a touch driver driving the touch panel, wherein the driver of the fingerprint sensor driver provides a sensing gate signal to sensing gate lines included in a first touch block determined being touched by touch position information received from the touch driver, among m (where m being an integer of 2 or greater) number of sensing gate lines included in the fingerprint sensor.Type: ApplicationFiled: June 26, 2020Publication date: January 21, 2021Applicant: LG Display Co., Ltd.Inventors: Ji-Ho CHO, ManHyeop HAN, Yongkyun CHOI, Junghoon LEE
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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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Publication number: 20200241686Abstract: A touch sensor integrated display device is provided comprising gate lines and data lines formed on a substrate to be intersected with each other, a plurality of pixel electrodes formed at intersections between the gate lines and the data lines, and a common electrode formed to overlap the plurality of pixel electrodes through an insulating film disposed between the common electrode and the plurality of pixel electrodes, wherein the common electrode includes at least two touch electrodes, each of which is connected to at least one of signal lines arranged in one of a first direction and a second direction crossing the first direction.Type: ApplicationFiled: April 13, 2020Publication date: July 30, 2020Applicant: LG DISPLAY CO., LTD.Inventors: Cheolse KIM, Buyeol LEE, Sunjung LEE, Sangsoo HWANG, Yoonhwan WOO, Manhyeop HAN
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Patent number: 10719172Abstract: A display device with a built-in optical image sensor includes a display panel, a cover substrate, and an optical image sensor. The cover substrate has light transmissivity and covers the display panel. The optical image sensor is coupled to the display panel and senses an image of a body of a user using light reflected from the body of the user in contact with the cover substrate. The display panel includes a base substrate, a pixel portion, an encapsulation film, and a touch sensing layer. The touch sensing layer includes the touch electrode portion and is disposed on the encapsulation film covering a pixel portion. A plurality of pinholes are defined in at least one layer having light absorptivity or light reflectivity of the pixel portion. The plurality of pinholes overlap the optical image sensor. Further, openings overlapping the plurality of pinholes are defined in the touch electrode portion.Type: GrantFiled: June 26, 2019Date of Patent: July 21, 2020Assignee: LG Display Co., Ltd.Inventors: ManHyeop Han, KyoSeop Choo, BuYeol Lee, SeungMan Ryu
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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: 10649575Abstract: A touch sensor integrated display device is provided comprising gate lines and data lines formed on a substrate to be intersected with each other, a plurality of pixel electrodes formed at intersections between the gate lines and the data lines, and a common electrode formed to overlap the plurality of pixel electrodes through an insulating film disposed between the common electrode and the plurality of pixel electrodes, wherein the common electrode includes at least two touch electrodes, each of which is connected to at least one of signal lines arranged in one of a first direction and a second direction crossing the first direction.Type: GrantFiled: November 27, 2018Date of Patent: May 12, 2020Assignee: LG Display Co., Ltd.Inventors: Cheolse Kim, Buyeol Lee, Sunjung Lee, Sangsoo Hwang, Yoonhwan Woo, Manhyeop Han
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Patent number: 10627938Abstract: A touch screen device with an integrated fingerprint sensor comprises: a touch screen having a fingerprint recognition area with fingerprint sensors and a touch recognition area with touch sensors physically separated from the fingerprint sensors; and a touch IC that drives the touch sensors and the fingerprint sensors in fingerprint sensing mode to sense fingerprint recognition information from the fingerprint sensors and touch recognition information from the touch sensors.Type: GrantFiled: October 24, 2017Date of Patent: April 21, 2020Assignee: LG Display Co., Ltd.Inventors: Junghoon Lee, Kyoseop Choo, Jiho Cho, Manhyeop Han
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Patent number: 10613677Abstract: The present disclosure provides a touchscreen device with an integrated fingerprint sensor. The touchscreen device including a touchscreen having a touch area for touch sensing and a fingerprint and touch area for touch sensing and fingerprint sensing, the touch area having Tx electrodes arranged in a first direction and Rx electrodes arranged in a second direction, and the fingerprint and touch area having FTx electrodes arranged in the first direction and FRx electrodes arranged in the second direction, and a touch IC that performs touch sensing through the touch area and the fingerprint and touch area and performs fingerprint sensing through the fingerprint and touch area, wherein the Rx electrodes form a plurality of groups, and the groups are individually and separately connected to Rx lines in the boundary region between the touch area and the fingerprint and touch area.Type: GrantFiled: October 20, 2017Date of Patent: April 7, 2020Assignee: LG DISPLAY CO., LTD.Inventors: Jiho Cho, Kyoseop Choo, Manhyeop Han
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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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Publication number: 20200004381Abstract: A display device with a built-in optical image sensor includes a display panel, a cover substrate, and an optical image sensor. The cover substrate has light transmissivity and covers the display panel. The optical image sensor is coupled to the display panel and senses an image of a body of a user using light reflected from the body of the user in contact with the cover substrate. The display panel includes a base substrate, a pixel portion, an encapsulation film, and a touch sensing layer. The touch sensing layer includes the touch electrode portion and is disposed on the encapsulation film covering a pixel portion. A plurality of pinholes are defined in at least one layer having light absorptivity or light reflectivity of the pixel portion. The plurality of pinholes overlap the optical image sensor. Further, openings overlapping the plurality of pinholes are defined in the touch electrode portion.Type: ApplicationFiled: June 26, 2019Publication date: January 2, 2020Inventors: ManHyeop HAN, KyoSeop CHOO, BuYeol LEE, SeungMan RYU
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Patent number: 10481741Abstract: A display device including a sensor screen having a touch recognition function and a fingerprint recognition function is disclosed. The display device includes a display panel having a first display area and a second display area that are adjacent to each other, a first touch sensor being disposed in the first display area, and a sensor screen having a first transparent substrate and a second transparent substrate that are sequentially disposed on the display panel, and a fingerprint sensor and a second touch sensor that are disposed between the first transparent substrate and the second transparent of the sensor screen corresponding to the second display area of the display panel.Type: GrantFiled: December 13, 2016Date of Patent: November 19, 2019Assignee: LG Display Co., Ltd.Inventors: Manhyeop Han, Kyoseop Choo, Buyeol Lee, Moonbong Song, Jiho Cho