公开(公告)号：US20240373718A1

公开(公告)日：2024-11-07

申请号：US18599404

申请日：2024-03-08

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Tae Kyung AHN ,  Sang Woo KIM ,  Hyang A PARK ,  Kwang Soo BAE ,  Soo Yeong HONG

IPC: H10K59/65 ,  G09G3/3233 ,  H10K59/121

Abstract: A display device includes a first pixel emitting visible light, a second pixel emitting infrared light, and a photo sensor receiving light. The first pixel includes a first light emitting element, an emission control transistor forming a current movement path passing through the first light emitting element, and a first transistor controlling a first driving current flowing through the first light emitting element. The second pixel includes a second light emitting element, an eleventh transistor controlling a second driving current flowing through the second light emitting element, and a twelfth transistor electrically connected between a sensor data line and a gate electrode of the eleventh transistor. A gate electrode of the emission control transistor and a gate electrode of the twelfth transistor are electrically connected to each other.

公开(公告)号：US20240130164A1

公开(公告)日：2024-04-18

申请号：US18353681

申请日：2023-07-17

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Byung Han YOO ,  Jung Woo PARK ,  Tae Kyung AHN ,  Gun Hee KIM ,  Dae Young LEE

IPC: H10K59/122 ,  H10K39/34 ,  H10K59/35

CPC classification number: H10K59/122 ,  H10K39/34 ,  H10K59/353

Abstract: A display device includes a substrate and a plurality of unit pixels disposed on the substrate. Each unit pixel includes a plurality of sub-pixels, a plurality of light sensing pixels, and a plurality of partition wall members. Each of the sub-pixels includes a light emitting element that emits light and a light emitting area from which the light is emitted. Each of the light sensing pixels includes a light receiving element that outputs a sensing signal corresponding to the light and a light receiving area that receives the light. In a plan view, each of the partition wall members surrounds the corresponding light receiving area and overlaps at least some of the sub-pixels.

公开(公告)号：US20240290132A1

公开(公告)日：2024-08-29

申请号：US18523607

申请日：2023-11-29

Applicant: Samsung Display Co., Ltd.

Inventor： Kwang Soo BAE ,  Hyang A PARK ,  Tae Kyung AHN ,  Hyun Dae LEE ,  Kang Bin JO ,  Soo Yeong HONG

IPC: G06V40/13

CPC classification number: G06V40/1318

Abstract: A display device includes: a base; light emitting element groups on one surface of the base, and each including a plurality of light emitting elements arranged in a first direction; and light receiving element groups on the one surface of the base, and each including a plurality of light receiving elements arranged in the first direction, wherein the light emitting element groups are arranged in a second direction, wherein the light receiving element groups are adjacent and parallel to the light emitting element groups, and wherein, based on a first light emitting element group among the light emitting element groups emitting light, first sensing data is obtained, without emission of a second light emitting element group arranged in the second direction from the first light emitting element group, by using at least one first light receiving element group adjacent to the second light emitting element group.

公开(公告)号：US20230317007A1

公开(公告)日：2023-10-05

申请号：US18146228

申请日：2022-12-23

Applicant: Samsung Display Co., Ltd.

Inventor： Hyeon Sik KIM ,  Gun Hee KIM ,  Tae Kyung AHN ,  Dae Young LEE ,  Sang Woo KIM

IPC: G09G3/3233 ,  G09G3/3266 ,  G06V40/13 ,  G06F3/041 ,  H10K59/40 ,  H10K59/131

CPC classification number: G09G3/3233 ,  G09G3/3266 ,  G06V40/1318 ,  G06F3/0412 ,  H10K59/40 ,  H10K59/131 ,  G09G2330/021 ,  G09G2320/043 ,  G09G2354/00

Abstract: A display device includes a pixel including a display driver configured to apply a driving current to a light-emitting element; and an optical sensor including a sensing driver configured to apply a sensing current to a read-out line based on a photocurrent from the photoelectric conversion element, wherein the pixel further includes, a driving transistor configured to control the driving current, a first transistor configured to apply a first initialization voltage to an anode of the light-emitting element based on an emission control signal, and a second transistor configured to connect the anode of the light-emitting element to a first electrode of the driving transistor in accordance with the emission control signal, and wherein a channel of the first transistor is a different material from channels of the driving transistor and the second transistor.

公开(公告)号：US20180335868A1

公开(公告)日：2018-11-22

申请号：US15866147

申请日：2018-01-09

Applicant: Samsung Display Co., Ltd.

Inventor： Han Yung JUNG ,  Chaun Gi CHOI ,  Ji Hun RYU ,  Jung Ha SON ,  Tae Kyung AHN

IPC: G06F3/044 ,  G06F3/041 ,  H01L27/32

Abstract: A touch sensor includes: a first insulating layer disposed on a substrate; a plurality of first touch sensing cells disposed on the first insulating layer and coupled to each other in a first direction by first coupling patterns; a plurality of second touch sensing cells disposed on the first insulating layer and coupled to each other in a second direction by second coupling patterns; and a second insulating layer disposed on the first touch sensing cells and the second touch sensing cells. At least one of the first insulating layer or the second insulating layer includes a piezoelectric material.

公开(公告)号：US20250046113A1

公开(公告)日：2025-02-06

申请号：US18659283

申请日：2024-05-09

Applicant: Samsung Display Co., Ltd.

Inventor： Hyang A PARK ,  Tae Kyung AHN ,  Byung Han YOO ,  Soo Yeong HONG

IPC: G06V40/13 ,  H10K59/121 ,  H10K59/122 ,  H10K59/131 ,  H10K59/65

Abstract: A display device includes a display panel partitioned into pixel rows, and the display panel includes pixels and fingerprint sensors arranged on the pixel rows, a panel driver for driving the pixels, and a sensor driver for detecting a user fingerprint, based on a sensing signal from the fingerprint sensors. The fingerprint sensors may include first fingerprint sensors on an odd-numbered pixel row and second fingerprint sensors on an even-numbered pixel row, and an area of an anode electrode of a light receiving element in each of the first fingerprint sensors may be equal to an area of an anode electrode of a light receiving element included in each of the second fingerprint sensors.

公开(公告)号：US20230377524A1

公开(公告)日：2023-11-23

申请号：US18176702

申请日：2023-03-01

Applicant: SAMSUNG DISPLAY CO., LTD

Inventor： Bo Kwang SONG ,  Tae Kyung AHN ,  Gun Hee KIM ,  Dae Young LEE

IPC: G09G3/3291 ,  G06V40/13

CPC classification number: G09G3/3291 ,  G06V40/1318 ,  G09G2360/14 ,  G09G2310/08

Abstract: A display device includes light emitting pixels that emit light, photosensors each controlling a sensed current according to an incident light, and a read-out circuit that senses the sensed current of each of the photosensors and converts the sensed current into digital sensed data. In a sensing mode including a first frame period and a second frame period, the light emitting pixels include first sensing pixels that emit the light during the first frame period and second sensing pixels that do not emit the light during the first frame period, the photosensors include first photosensors and second photosensors, and a first distance between any one of the first sensing pixels and a first photosensor adjacent to the first sensing pixel among the first photosensors is greater than a second distance between the first sensing pixel and a second photosensor adjacent to the first sensing pixel among the second photosensors.

公开(公告)号：US20220077427A1

公开(公告)日：2022-03-10

申请号：US17416359

申请日：2019-10-25

Applicant: Samsung Display Co., Ltd.

Inventor： Ki June LEE ,  Sang Woo KIM ,  Jung Ha SON ,  Byung Han YOO ,  Gee Bum KIM ,  Tae Kyung AHN ,  Jae Ik LIM ,  Chaun Gi CHOI

IPC: H01L51/52 ,  H01L27/32 ,  H01L51/56

Abstract: A display device includes: a substrate; a bank layer on the substrate, and defining a light-emitting area; an organic light-emitting layer in the light-emitting area; a thin-film sealing layer covering the organic light-emitting layer and the bank layer; an inorganic layer including a base part on the thin-film sealing layer, and a protruding pattern part protruding from the base part in a thickness direction and including a lateral surface having a reverse taper angle; a first low refractive organic layer on the base part of the inorganic layer; and a high refractive organic layer covering the first low refractive organic layer and the inorganic layer. A lateral surface of the first low refractive organic layer contacts the lateral surface of the protruding pattern part, and an upper surface of the first low refractive organic layer protrudes more than an upper surface of the protruding pattern part in the thickness direction.