公开(公告)号：US20190051694A1

公开(公告)日：2019-02-14

申请号：US16153482

申请日：2018-10-05

Applicant: LG Display Co., Ltd.

Inventor： Kyoseop CHOO ,  Guensik LEE ,  Manhyeop HAN

IPC: H01L27/146 ,  H04N3/14 ,  H01L29/786 ,  H01L27/12 ,  H01L29/45 ,  H01L29/417

CPC classification number: H01L27/14678 ,  H01L27/1225 ,  H01L27/124 ,  H01L27/1251 ,  H01L27/1255 ,  H01L27/14632 ,  H01L27/14687 ,  H01L29/41733 ,  H01L29/458 ,  H01L29/78633 ,  H01L29/78669 ,  H01L29/7869 ,  H04N3/155 ,  H04N5/374

Abstract: 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.

公开(公告)号：US20180322325A1

公开(公告)日：2018-11-08

申请号：US15969600

申请日：2018-05-02

Applicant: LG DISPLAY CO., LTD.

Inventor： Guensik LEE ,  Kyoseop CHOO ,  Seungman RYU

IPC: G06K9/00 ,  G02F1/1333 ,  H01L27/32 ,  G02B5/32 ,  F21V8/00

CPC classification number: G06K9/0004 ,  G02B5/3083 ,  G02B5/32 ,  G02B6/005 ,  G02B6/0055 ,  G02F1/13338 ,  G02F1/133528 ,  G06F21/32 ,  H01L27/307 ,  H01L27/3234

Abstract: 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.

公开(公告)号：US20180314206A1

公开(公告)日：2018-11-01

申请号：US15964023

申请日：2018-04-26

Applicant: LG Display Co., Ltd.

Inventor： Guensik LEE ,  Kyoseop CHOO ,  Seungman RYU ,  Junghoon LEE

IPC: G03H1/22 ,  G06K9/00 ,  G03H1/02 ,  G02B27/09

Abstract: 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.

公开(公告)号：US20180130844A1

公开(公告)日：2018-05-10

申请号：US15806151

申请日：2017-11-07

Applicant: LG DISPLAY CO., LTD.

Inventor： Kyoseop CHOO ,  Guensik LEE ,  Manhyeop HAN

IPC: H01L27/146 ,  H04N3/14 ,  H01L27/12 ,  H01L29/417 ,  H01L29/45 ,  H01L29/786

CPC classification number: H01L27/14678 ,  H01L27/1255 ,  H01L29/41733 ,  H01L29/458 ,  H01L29/78633 ,  H01L29/7869 ,  H04N3/155

Abstract: 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.

公开(公告)号：US20180113558A1

公开(公告)日：2018-04-26

申请号：US15789852

申请日：2017-10-20

Applicant: LG DISPLAY CO., LTD.

Inventor： Jiho CHO ,  Kyoseop CHOO ,  Manhyeop HAN

IPC: G06F3/041 ,  G06F3/044 ,  G06K9/00

CPC classification number: G06F3/0416 ,  G06F3/044 ,  G06F2203/04103 ,  G06F2203/04106 ,  G06K9/0002

Abstract: 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.

公开(公告)号：US20190080140A1

公开(公告)日：2019-03-14

申请号：US16126943

申请日：2018-09-10

Applicant: LG Display Co., Ltd.

Inventor： Guensik LEE ,  Kyoseop CHOO ,  Manhyeop HAN ,  Junghoon LEE

IPC: G06K9/00 ,  G06F1/16 ,  H05K1/18 ,  G06F3/041

Abstract: 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.

公开(公告)号：US20180151656A1

公开(公告)日：2018-05-31

申请号：US15807295

申请日：2017-11-08

Applicant: LG DISPLAY CO., LTD.

Inventor： Kyoseop CHOO ,  Guensik LEE ,  Manhyeop HAN

IPC: H01L27/32 ,  G09G3/3291

Abstract: 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.

公开(公告)号：US20180151641A1

公开(公告)日：2018-05-31

申请号：US15818027

申请日：2017-11-20

Applicant: LG DISPLAY CO., LTD.

Inventor： Kyoseop CHOO ,  Buyeol LEE ,  Jonghee HWANG ,  Guensik LEE

IPC: H01L27/32 ,  H01L51/52 ,  H01L51/00 ,  G06K9/00

Abstract: 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.

公开(公告)号：US20180113548A1

公开(公告)日：2018-04-26

申请号：US15791747

申请日：2017-10-24

Applicant: LG Display Co., Ltd.

Inventor： Junghoon LEE ,  Kyoseop CHOO ,  Jiho CHO ,  Manhyeop HAN

IPC: G06F3/041 ,  G06F3/044 ,  G06K9/00

CPC classification number: G06F3/0412 ,  G06F3/0416 ,  G06F3/044 ,  G06F2203/04106 ,  G06F2203/04112 ,  G06K9/0002 ,  G06K9/0008 ,  G09G2310/0264

Abstract: 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.

公开(公告)号：US20170344148A1

公开(公告)日：2017-11-30

申请号：US15377182

申请日：2016-12-13

Applicant: LG Display Co., Ltd.

Inventor： Manhyeop HAN ,  Kyoseop CHOO ,  Buyeol LEE ,  Moonbong SONG ,  Jiho CHO

IPC: G06F3/044 ,  G06K9/00 ,  G06F3/041

CPC classification number: G06F3/044 ,  G06F3/0416 ,  G06F3/04886 ,  G06F2203/0338 ,  G06F2203/04103 ,  G06K9/00013 ,  G06K9/0002

Abstract: 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.