公开(公告)号：US12041824B2

公开(公告)日：2024-07-16

申请号：US17479125

申请日：2021-09-20

Applicant: Samsung Display Co., Ltd.

Inventor： Ji-Sun Kim ,  Jang Mi Kang ,  Sun Hwa Lee ,  Mu Kyung Jeon

IPC: H10K59/126 ,  G09G3/00 ,  G09G3/3233 ,  G09G3/3258 ,  H01L27/12 ,  H01L29/786 ,  H10K59/121 ,  H10K59/131

CPC classification number: H10K59/126 ,  G09G3/00 ,  G09G3/3233 ,  G09G3/3258 ,  H01L27/1225 ,  H01L27/124 ,  H01L27/1251 ,  H01L27/1255 ,  H01L29/78633 ,  H01L29/78675 ,  H01L29/7869 ,  H10K59/1213 ,  H10K59/131 ,  G09G2300/0465 ,  G09G2300/0814 ,  G09G2300/0819 ,  G09G2310/0251 ,  G09G2320/0247 ,  G09G2330/021

Abstract: A display device includes a substrate, first and second transistors on the substrate, a first electrode connected to one of the first and second transistors, a second electrode facing the first electrode, and a light emission member between the first and second electrodes, where the first transistor includes a first channel including a polycrystalline semiconductor member on the substrate, a first source electrode and a first drain electrode at respective opposite sides of the first channel, a first gate electrode overlapping the first channel, and a first insulating layer covering the first gate electrode, the second transistor includes a second gate electrode on the first insulating layer, a second channel including an oxide semiconductor member on the second gate electrode, second source and drain electrodes on the second channel, and an external light blocking member on the second source and drain electrodes and overlapping the second channel.

公开(公告)号：US11574497B2

公开(公告)日：2023-02-07

申请号：US17532887

申请日：2021-11-22

Applicant: Samsung Display Co., LTD.

Inventor： Sun Hwa Lee ,  Ki June Lee ,  Mu Kyung Jeon

IPC: G06V40/13 ,  H01L27/32

Abstract: A fingerprint sensor and a display device include a substrate. A circuit element layer is disposed on a first surface of the substrate and includes a semiconductor layer, conductive layers and at least one opening portion. A light emitting element layer is disposed on the circuit element layer and includes at least one light emitting element. A sensor layer is disposed on a second surface of the substrate and includes at least one light sensor corresponding to the opening portion. The opening portion is defined by non-overlapping of the semiconductor layer and the conductive layers, the opening portion has a closed loop shape in plan view, and at least a portion of the closed loop shape includes a curve, or an internal angle of the at least a portion of the closed loop shape is an obtuse angle.

公开(公告)号：US11437459B2

公开(公告)日：2022-09-06

申请号：US17003365

申请日：2020-08-26

Applicant: Samsung Display Co., Ltd.

Inventor： Sun Hwa Lee ,  Mu Kyung Jeon ,  Il Nam Kim ,  Ji Hun Ryu ,  Ki Hyun Pyo

IPC: H01L27/32 ,  H01L25/18 ,  G09G3/3258 ,  G09G3/3233 ,  G06F3/041 ,  G06V40/13 ,  G06F3/044

Abstract: Embodiments of the present disclosure provide a display device comprising: a substrate; a thin film transistor layer on a first surface of the substrate and including a first hole; a light emitting element layer on the thin film transistor layer and including a light emitting element; a first light blocking layer between the substrate and the thin film transistor layer and including a second hole overlapping the first hole in a thickness direction of the substrate; and a second light blocking layer between the thin film transistor layer and the light emitting element layer and including a third hole overlapping the first hole and the second hole in the thickness direction of the substrate.

公开(公告)号：US11182584B2

公开(公告)日：2021-11-23

申请号：US16996764

申请日：2020-08-18

Applicant: Samsung Display Co., LTD.

Inventor： Sun Hwa Lee ,  Ki June Lee ,  Mu Kyung Jeon

IPC: G06K9/00 ,  H01L27/32

Abstract: A fingerprint sensor and a display device include a substrate. A circuit element layer is disposed on a first surface of the substrate and includes a semiconductor layer, conductive layers and at least one opening portion. A light emitting element layer is disposed on the circuit element layer and includes at least one light emitting element. A sensor layer is disposed on a second surface of the substrate and includes at least one light sensor corresponding to the opening portion. The opening portion is defined by non-overlapping of the semiconductor layer and the conductive layers, the opening portion has a closed loop shape in plan view, and at least a portion of the closed loop shape includes a curve, or an internal angle of the at least a portion of the closed loop shape is an obtuse angle.

公开(公告)号：US10892307B2

公开(公告)日：2021-01-12

申请号：US16750151

申请日：2020-01-23

Applicant: Samsung Display Co., Ltd.

Inventor： Sun Hwa Lee ,  Mu Kyung Jeon ,  Il Gon Kim

IPC: H05B33/08 ,  G06F3/042 ,  G02F1/33 ,  H01L29/24 ,  H01L27/12 ,  H01L27/32 ,  G06K9/00 ,  H01L51/52 ,  G09G3/3233 ,  G06F3/041 ,  G09G3/20 ,  H01L27/146

Abstract: A display device includes a display pixel and a sensor pixel. The display pixel includes a light-emitting element including a first pixel electrode. The display pixel further includes a pixel circuit electrically coupled to the light-emitting element. The sensor pixel includes a sensor electrode overlapping the first pixel electrode. The sensor pixel further includes a sensor circuit electrically coupled to the sensor electrode. The first pixel electrode includes a first opening in a region overlapping the sensor electrode.

公开(公告)号：US20200227502A1

公开(公告)日：2020-07-16

申请号：US16829085

申请日：2020-03-25

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hee Rim Song ,  Mu Kyung Jeon ,  Chong Chul Chai

IPC: H01L27/32 ,  G09G3/3233 ,  H01L51/52

Abstract: An organic light-emitting diode display is disclosed. In one aspect, the display includes a plurality of pixels formed in a plurality of intersection areas of a plurality of data lines and a plurality of scan lines. Each of the pixels includes a storage capacitor configured to store a data voltage, at least one target transistor having one end electrically connected to a current path of the storage capacitor, an organic light emitting layer, and a first electrode of an OLED formed over the organic light emitting layer. The first electrode includes a first electrode extension configured to block at least a portion of the target transistor from light.

公开(公告)号：US09972242B2

公开(公告)日：2018-05-15

申请号：US15078876

申请日：2016-03-23

Applicant: Samsung Display Co., Ltd.

Inventor： Jae Keun Lim ,  Hee Rim Song ,  Mu Kyung Jeon ,  Chong Chul Chai

IPC: G09G3/3233 ,  H01L27/32

CPC classification number: G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/08 ,  G09G2320/0214 ,  G09G2320/0219 ,  G09G2320/0233 ,  H01L27/3262 ,  H01L27/3265 ,  H01L27/3276

Abstract: A pixel includes: an organic light emitting diode including a cathode electrode connected to a second power source; a first transistor including a first electrode connected to a first power source, and to control an amount of current flowing from the first power source to the second power source via the organic light emitting diode in response to a data signal; a plurality of second transistors connected in series between a gate electrode of the first transistor and an initialization power source, and to be turned on when a scan signal is supplied to an i−1-th (i is a natural number) scan line; and a first capacitor connected between a voltage source and a first node, the first node being between the plurality of second transistors.

公开(公告)号：USRE50012E1

公开(公告)日：2024-06-11

申请号：US17713314

申请日：2022-04-05

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hee Rim Song ,  Mu Kyung Jeon ,  Chong Chul Chai

IPC: H01L27/32 ,  G09G3/3233 ,  H01L51/52 ,  H10K50/813 ,  H10K50/818 ,  H10K59/121 ,  H10K59/126 ,  H10K59/35

CPC classification number: H10K59/126 ,  G09G3/3233 ,  H10K50/813 ,  H10K50/818 ,  H10K59/1213 ,  G09G2300/0861 ,  G09G2320/0238 ,  H10K59/1216 ,  H10K59/35

Abstract: An organic light-emitting diode display is disclosed. In one aspect, the display includes a plurality of pixels formed in a plurality of intersection areas of a plurality of data lines and a plurality of scan lines. Each of the pixels includes a storage capacitor configured to store a data voltage, at least one target transistor having one end electrically connected to a current path of the storage capacitor, an organic light emitting layer, and a first electrode of an OLED formed over the organic light emitting layer. The first electrode includes a first electrode extension configured to block at least a portion of the target transistor from light.

公开(公告)号：US11961425B2

公开(公告)日：2024-04-16

申请号：US18084939

申请日：2022-12-20

Applicant: Samsung Display Co., Ltd.

Inventor： Hee Rim Song ,  Gyung Soon Park ,  Mu Kyung Jeon

IPC: G09G3/20 ,  G02F1/1333 ,  G09F9/30 ,  H10K59/121 ,  H10K59/131 ,  H10K77/10 ,  H10K102/00

CPC classification number: G09F9/301 ,  G02F1/133305 ,  H10K59/121 ,  H10K59/131 ,  H10K77/111 ,  G02F2202/02 ,  G09G2300/0426 ,  H10K2102/311

Abstract: A display device may include a first pixel, a second pixel, a first data line electrically connected to the first pixel, a second data line electrically connected to the second pixel and electrically insulated from the first data line, a first signal wire electrically connected to the first data line, a second signal wire electrically connected to the second data line, and a connecting wire electrically connecting the second data line to the second signal wire. The connecting wire may include a first section and a second section. The second section may be directly connected to the first section, may overlap the first pixel, may overlap the first data line, and may be oblique relative to each of the first data line and the second data line in a plan view of the display device.

公开(公告)号：US11783783B2

公开(公告)日：2023-10-10

申请号：US17888487

申请日：2022-08-16

Applicant: Samsung Display Co., Ltd.

Inventor： Jang Mi Kang ,  Ji Sun Kim ,  Mu Kyung Jeon

IPC: G09G3/20 ,  G09G3/3283 ,  G09G3/3291 ,  G09G3/3266 ,  G09G3/3233 ,  G09G3/3258 ,  H01L27/12 ,  H10K59/12 ,  H10K59/131 ,  H10K59/121

CPC classification number: G09G3/3283 ,  G09G3/3233 ,  G09G3/3258 ,  G09G3/3266 ,  G09G3/3291 ,  H01L27/124 ,  H01L27/1222 ,  H01L27/1225 ,  H01L27/1251 ,  H01L27/1255 ,  H10K59/12 ,  G09G2300/043 ,  G09G2300/0426 ,  G09G2310/0264 ,  H10K59/1216 ,  H10K59/131

Abstract: A display device including a light-emitting diode, a first transistor, a second transistor, a data line connected to the second transistor and configured to transmit a data signal, a third transistor, a first signal line connected to a gate electrode of the second transistor and configured to transmit a first signal, a second signal line connected to a gate electrode of the third transistor and configured to transmit a second signal, and a connect portion connected to a gate electrode of the first transistor and an electrode of the third transistor, in which the connect portion overlaps the first signal line and the second signal line, and an overlapping area between the connect portion and the first signal line is different from an overlapping area between the connect portion and the second signal line.