公开(公告)号：US10580822B2

公开(公告)日：2020-03-03

申请号：US16153482

申请日：2018-10-05

申请人： LG Display Co., Ltd.

发明人： Kyoseop Choo ,  Guensik Lee ,  Manhyeop Han

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

摘要： 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：US10579854B2

公开(公告)日：2020-03-03

申请号：US15822170

申请日：2017-11-26

申请人： LG Display Co., Ltd.

发明人： Kyoseop Choo ,  Hongchul Kim ,  Hoon Kang ,  Buyeol Lee ,  Seungman Ryu

IPC分类号： G06F3/042 ,  G09G3/3233 ,  H01L27/32 ,  G06K9/00 ,  G06F3/041

摘要： An electroluminescent display device integrated with a fingerprint sensor comprises: a display panel comprising a plurality of display pixels; a transparent substrate bonded to the top of the display panel; and an image sensor bonded to the bottom of the display panel, wherein each of the display pixels in at least some part of the pixel array on the display panel comprises a light transmission area, the image sensor comprises a plurality of photosensors, one or more of the photosensors are exposed within the light transmission area, and the resolution of the image sensor is higher than or equal to the resolution of the display panel.

公开(公告)号：US10134800B2

公开(公告)日：2018-11-20

申请号：US15806151

申请日：2017-11-07

申请人： LG DISPLAY CO., LTD.

发明人： Kyoseop Choo ,  Guensik Lee ,  Manhyeop Han

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

摘要： 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：US10747980B2

公开(公告)日：2020-08-18

申请号：US16103553

申请日：2018-08-14

申请人： LG Display Co., Ltd.

发明人： Joobong Hyun ,  Kyoseop Choo ,  Seungman Ryu ,  Ara Yoon

IPC分类号： G06K9/00 ,  G02B6/42 ,  H01L27/146

摘要： Disclosed herein is a display device capable of recognizing a fine fingerprint without a complicated construction such as a bulky optical device. The display device comprises a display panel having a display area and a non-display area outside the display area; a light source disposed below the non-display area of the display panel to irradiate the display panel with light; a directional light unit disposed on an upper portion of the display panel, refracting the light supplied from the light source at a first angle to travel from the non-display area to the display area in total internal reflection, reflecting some of the totally internally reflected light at a second angle, and then supplying a light reflected by an object having biometric information to the display panel; and an optical sensor disposed below the display panel and receiving the light exited from the directional light unit.

公开(公告)号：US10481741B2

公开(公告)日：2019-11-19

申请号：US15377182

申请日：2016-12-13

申请人： LG Display Co., Ltd.

发明人： Manhyeop Han ,  Kyoseop Choo ,  Buyeol Lee ,  Moonbong Song ,  Jiho Cho

IPC分类号： G06F3/044 ,  G06F3/041 ,  G06K9/00 ,  G06F3/0488 ,  G09G3/00

摘要： 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.

公开(公告)号：US10037452B2

公开(公告)日：2018-07-31

申请号：US14982158

申请日：2015-12-29

申请人： LG Display Co., Ltd.

发明人： Manhyeop Han ,  Kyoseop Choo ,  Jiho Cho

IPC分类号： G06K9/00 ,  G06F3/041

CPC分类号： G06K9/0002 ,  G06F3/041 ,  G06F3/0416 ,  G06F3/044 ,  G06F2203/04111 ,  G06F2203/04112

摘要： Provided are a fingerprint sensor and a display device including the same. A fingerprint sensor array includes: a plurality of first electrodes arranged in a first direction, each of the plurality of first electrodes including at least one of: a first transparent electrode including a transparent conductive material and a first metal electrode including a low-resistance metal material; a plurality of second electrodes arranged in a second direction crossing the first direction, each of the plurality of second electrodes including at least one of: a second transparent electrode including the transparent conductive material and a second metal electrode including the low-resistance metal material; and an insulating layer between the plurality of first electrodes and the plurality of second electrodes to insulate the first electrodes from the second electrodes.

公开(公告)号：US10747175B2

公开(公告)日：2020-08-18

申请号：US15964023

申请日：2018-04-26

申请人： LG Display Co., Ltd.

发明人： Guensik Lee ,  Kyoseop Choo ,  Seungman Ryu ,  Junghoon Lee

IPC分类号： G03H1/22 ,  G06K9/00 ,  G02B27/09 ,  G03H1/02 ,  G06K9/76 ,  G02B5/32 ,  G06F3/042 ,  G03H1/04 ,  G06F3/041 ,  G03H1/26

摘要： 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：US10395086B2

公开(公告)日：2019-08-27

申请号：US15969600

申请日：2018-05-02

申请人： LG DISPLAY CO., LTD.

发明人： Guensik Lee ,  Kyoseop Choo ,  Seungman Ryu

IPC分类号： G06K9/00 ,  G02F1/1333 ,  H01L27/00 ,  G02B5/32 ,  F21V8/00 ,  H01L27/32 ,  G06F21/32 ,  H01L27/30 ,  G02F1/1335

摘要： 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：US10002278B2

公开(公告)日：2018-06-19

申请号：US15014551

申请日：2016-02-03

申请人： LG DISPLAY CO., LTD.

发明人： Moonbong Song ,  Kyoseop Choo

IPC分类号： G06K9/00 ,  G06F3/044 ,  G06F1/16 ,  G06F21/32 ,  H05K1/11 ,  H05K1/18

CPC分类号： G06K9/0002 ,  G06F1/1637 ,  G06F1/1684 ,  G06F3/044 ,  G06F21/32 ,  H05K1/118 ,  H05K1/189 ,  H05K2201/10128 ,  H05K2201/10151

摘要： A sensor screen and a display device including the same are discussed. The sensor screen can include a first base member including a first active area and a first bezel area and having a first thickness, a second base member positioned opposite the first base member and having a second thickness less than the first thickness; and a fingerprint sensor disposed on one of the first and second base members which are positioned opposite each other. The fingerprint sensor can include a first group of fingerprint electrodes, which are arranged in a first direction in a portion of the first active area, and a second group of fingerprint electrodes, which are insulated from the first group of fingerprint electrodes and are arranged in a second direction crossing the first direction.

公开(公告)号：US20180149792A1

公开(公告)日：2018-05-31

申请号：US15819992

申请日：2017-11-21

申请人： LG DISPLAY CO., LTD.

发明人： Guensik Lee ,  Kyoseop Choo

IPC分类号： F21V8/00 ,  G06K9/00 ,  G02B5/32

摘要： 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.