公开(公告)号：US20240373697A1

公开(公告)日：2024-11-07

申请号：US18630976

申请日：2024-04-09

Applicant: Samsung Display Co., LTD.

Inventor： Seok Hyun LIM ,  Ju Hoon KANG ,  Hyung Keun PARK ,  Eun Ho SONG ,  Sang Hee JANG ,  Joo Hee JEON ,  Mi Yeon CHO ,  Gun Hee KIM ,  Dae Ho SONG ,  Sun Young JUNG

IPC: H10K59/131 ,  H10K59/121 ,  H10K59/126 ,  H10K59/38 ,  H10K59/88 ,  H10K102/00

Abstract: A display device includes: a substrate; a first pixel electrode and a second pixel electrode on the substrate; a dummy pixel electrode between the first pixel electrode and the second pixel electrode, and to receive a dummy voltage; an emissive layer on the first pixel electrode, the second pixel electrode, and the dummy pixel electrode; and a common electrode on the emissive layer. The first pixel electrode is to receive a pixel voltage different from the dummy voltage.

公开(公告)号：US20230298378A1

公开(公告)日：2023-09-21

申请号：US18104580

申请日：2023-02-01

Applicant: Samsung Display Co., LTD.

Inventor： Kwang Soo BAE ,  Gun Hee KIM ,  Dae Young LEE ,  Min Oh CHOI

IPC: G06V40/13 ,  H10K39/34 ,  H10K59/40 ,  G06F3/041

CPC classification number: G06V40/1318 ,  H10K39/34 ,  H10K59/40 ,  G06F3/0412 ,  H10K59/35

Abstract: A display device includes: a sub-pixel on a substrate and including a light emitting element; a photo-sensing pixel on the substrate and including a light-receiving element including a light-receiving layer configured to obtain a sensing signal corresponding to light emitted from the light emitting element; a touch sensor configured to obtain information about a touch input and including a conductive layer, wherein the conductive layer includes a hole area overlapping the light-receiving layer in a plan view.

公开(公告)号：US20190296153A1

公开(公告)日：2019-09-26

申请号：US16354396

申请日：2019-03-15

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Do Hyung KIM ,  Gun Hee KIM ,  Hyeon Sik KIM ,  Sang Ho PARK ,  Joo Hee JEON

IPC: H01L29/786 ,  H01L29/417 ,  H01L29/08 ,  H01L27/32

Abstract: A thin film transistor array panel includes a substrate, a first gate electrode on the substrate, a semiconductor layer on the first gate electrode, the semiconductor layer including a drain region, a source region, a lightly doped drain (LDD) region, and a channel region, a second gate electrode on the semiconductor layer, the first gate electrode and the second gate electrode each overlapping the channel region, a control gate electrode that overlaps the LDD region, and a source electrode and a drain electrode respectively connected with the source region and the drain region of the semiconductor layer.

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：US20230010411A1

公开(公告)日：2023-01-12

申请号：US17752369

申请日：2022-05-24

Applicant: Samsung Display Co., LTD.

Inventor： Ju Chan PARK ,  Sun Ho KIM ,  Gun Hee KIM ,  Chea Eun KIM ,  Sun Hee LEE

IPC: H01L27/32

Abstract: A display device according to an embodiment includes a display area that includes a first and a second display area, a first pixel circuit portion on the first display area, a first light emitting element connected to the first pixel circuit portion; a second pixel circuit portion on the second display area, second light emitting elements connected to the second pixel circuit portion, and a driving circuit portion connected to the first and second pixel circuit portions, and overlapping the second light emitting element. An edge of the display area includes a straight line portion and a rounded portion. An arrangement of the second light emitting elements is different in the straight line portion than in the rounded portion.

公开(公告)号：US20220335895A1

公开(公告)日：2022-10-20

申请号：US17856886

申请日：2022-07-01

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Ju-Won YOON ,  Gun Hee KIM ,  Sang Ho PARK ,  Seung Chan LEE ,  Joo Hee JEON

IPC: G09G3/3258 ,  G09G3/3266 ,  G09G3/3291 ,  H01L27/32 ,  H01L51/52 ,  G09G3/3233

Abstract: An organic light emitting diode display includes: a substrate; an overlapping layer on the substrate; a pixel on the substrate and the overlapping layer; and a scan line, a data line, a driving voltage line, and an initialization voltage line that are connected to the pixel. The pixel includes: an organic light emitting diode; a second transistor connected to the scan line and the data line; a driving transistor including a gate electrode, an input terminal, and an output terminal, and to apply a current to the organic light emitting diode from the output terminal; and a voltage application transistor to apply a voltage to the overlapping layer. An output of the second transistor is connected to the input terminal of the driving transistor, and the overlapping layer is between the driving transistor and the substrate while overlapping with the driving transistor on a plane.

公开(公告)号：US20210264851A1

公开(公告)日：2021-08-26

申请号：US17319424

申请日：2021-05-13

Applicant: Samsung Display Co., Ltd.

Inventor： Yoomin KO ,  Gun Hee KIM ,  Sang Hoon KIM ,  Taehoon YANG ,  Joohee JEON

IPC: G09G3/325 ,  G09G3/3291 ,  G09G3/3266

Abstract: A pixel of an organic light emitting diode (“OLED”) display device includes a switching transistor which transfers a data voltage, a storage capacitor which stores the data voltage transferred by the switching transistor, a driving transistor which generates a driving current based on the data voltage stored in the storage capacitor, an emission control transistor which selectively forms a path for the driving current in response to an emission control signal, an OLED which emits light based on the driving current, and a supplemental electrode overlapping a gate electrode of the driving transistor, the supplemental electrode having a first voltage for a predetermined time period from a time point at which the emission control signal has a turn-on level, and having a second voltage after the predetermined time period.

公开(公告)号：US20210226174A1

公开(公告)日：2021-07-22

申请号：US17122405

申请日：2020-12-15

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Sun Ho KIM ,  Sun Hee LEE ,  Gun Hee KIM ,  Tae Hoon YANG ,  Seung Chan LEE ,  Joo Hee JEON

IPC: H01L51/52 ,  H01L27/32 ,  H04N5/225 ,  G06F3/044 ,  G06F3/041

Abstract: A display device includes a display panel including an antireflection layer on a light emitting element layer which includes a first pixel defining layer in which an opening defining a light emitting area of a first pixel is defined, and a second pixel defining layer in which an opening defining a light emitting area of a second pixel is defined. The antireflection layer includes first and second light blocking layers respectively overlapping the first and second pixel defining layers, and includes a first gap defined by a length of a predetermined direction from an edge of the opening to an edge of an opening of the first light blocking layer, and a second gap defined by a length from an edge of the opening to an edge of an opening of the second light blocking layer in the predetermined direction. The first gap is less than the second gap.

公开(公告)号：US20210118961A1

公开(公告)日：2021-04-22

申请号：US16997540

申请日：2020-08-19

Applicant: Samsung Display Co., Ltd.

Inventor： Seung Chan LEE ,  Dong Hwan SHIM ,  Yoo Min KO ,  Sung Jin HONG ,  Gun Hee KIM

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

Abstract: An organic light-emitting display device includes a pixel area and a transmitting area adjacent to the pixel area. The organic light-emitting display device includes an organic light-emitting diode, a driving power wiring, and a heating pattern adjacent to the driving power wiring. The organic light-emitting diode includes a first electrode disposed in the pixel area, an organic light-emitting layer disposed on the first electrode and a second electrode disposed on the organic light-emitting layer. The driving power wiring is electrically connected to the second electrode. A portion of the organic light-emitting layer is disposed in the transmitting area. The organic light-emitting layer includes an opening area overlapping the heating pattern and at least a portion of the driving power wiring. The second electrode electrically contacts the driving power wiring through the opening area.

公开(公告)号：US20190259822A1

公开(公告)日：2019-08-22

申请号：US16277221

申请日：2019-02-15

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Joohee JEON ,  Gun Hee KIM ,  Do Hyung KIM ,  Hyeonsik KIM ,  Sangho PARK

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

Abstract: An organic light emitting diode display device includes a substrate, a driving transistor, and a sub-pixel structure. The substrate has a first trench. The driving transistor is inside the first trench of the substrate. The sub-pixel structure is on the driving transistor.