公开(公告)号：US20240079420A1

公开(公告)日：2024-03-07

申请号：US18226986

申请日：2023-07-27

Applicant: Samsung Display Co., LTD.

Inventor： KEUNWOO KIM ,  TAEWOOK KANG ,  DOO-NA KIM ,  HANBIT KIM ,  JIYEONG SHIN ,  JUN HYUNG LIM

IPC: H01L27/12 ,  G09G3/3233 ,  H01L29/40 ,  H01L29/66 ,  H01L29/786

CPC classification number: H01L27/1296 ,  G09G3/3233 ,  H01L27/1222 ,  H01L27/1237 ,  H01L29/408 ,  H01L29/66757 ,  H01L29/78675 ,  G09G2300/0819 ,  G09G2300/0842

Abstract: A display device includes a transistor including an active layer including first and second active areas, where the first active area includes a first drain area, a source area, and a first channel area between the source area and the first drain area, and the second active area includes the source area, a second drain area, and a second channel area between the source area and the second drain area, a gate insulating layer on the active layer, first and second charge layers at an interface between the first channel area and the gate insulating layer and at an interface between the second channel area and the gate insulating layer, where the first charge layer is adjacent to the source area, and the second charge layer is adjacent to the first and second drain areas and has a charge opposite to a charge of a first charge layer.

公开(公告)号：US20230026562A1

公开(公告)日：2023-01-26

申请号：US17739501

申请日：2022-05-09

Applicant: Samsung Display Co., Ltd.

Inventor： KEUNWOO KIM ,  TAEWOOK KANG ,  JANG-HYUN KIM ,  JOON WOO BAE ,  JAESEOB LEE ,  DONGGYU JIN ,  SANGGUN CHOI

IPC: H01L27/32

Abstract: A display device includes a first transistor, a second transistor electrically connected thereto, n third transistors electrically connected to a gate of the first transistor and connected to each other in series, a capacitor to be charged with a voltage corresponding to a data signal, and a light emitting element, wherein the third transistors include a semiconductor area including a channel area, a source area, a drain area, and a gate overlapping the channel area, wherein the source area or the drain area that is closer to the gate of the first transistor, and that is of the third transistor closest to the gate of the first transistor, includes a first area, and a second area between the first area and the channel area, having a doping concentration that is lower than that of the first area, and having a width that is less than that of the first area.

公开(公告)号：US20210367209A1

公开(公告)日：2021-11-25

申请号：US17228586

申请日：2021-04-12

Applicant: Samsung Display Co., Ltd.

Inventor： KEUNWOO KIM ,  HYENA KWAK ,  TAEWOOK KANG ,  JIYEONG SHIN ,  JAESEOB LEE

IPC: H01L51/52

Abstract: A display device includes: a base substrate including a first polymeric film; an active pattern on the base substrate and including a first channel region; and a first gate electrode overlapping the first channel region, wherein the first polymeric film has a first thickness in a first area overlapping the first channel region and a second thickness, which is smaller than the first thickness, in a second area different from the first area.

公开(公告)号：US20210134913A1

公开(公告)日：2021-05-06

申请号：US17094247

申请日：2020-11-10

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： YU-GWANG JEONG ,  TAEWOOK KANG ,  WOOYONG SUNG

IPC: H01L27/32 ,  H01L51/56 ,  H01L51/52 ,  H01L51/00 ,  H01L51/50

Abstract: A method of manufacturing a display panel includes providing an insulating substrate that includes a hole area, a display area that surrounds the hole area, and a peripheral area adjacent to the display area, forming a semiconductor pattern in the display area, forming an insulating layer, forming contact holes in the insulating layer that expose portions of the semiconductor pattern, and forming a module hole by etching a portion of the insulating layer and a portion of the insulating substrate that overlap the hole area.

公开(公告)号：US20240215322A1

公开(公告)日：2024-06-27

申请号：US18368294

申请日：2023-09-14

Applicant: Samsung Display Co., LTD.

Inventor： SUBIN BAE ,  DAWOON JUNG ,  YU-GWANG JEONG ,  TAEWOOK KANG ,  SANGGAB KIM

IPC: H10K59/122 ,  H10K59/12 ,  H10K59/80 ,  H10K71/20

CPC classification number: H10K59/122 ,  H10K59/1201 ,  H10K59/873 ,  H10K71/231

Abstract: A display panel which includes a base layer, a pixel defining layer defining a first light-emitting opening and a second light-emitting opening therein, a barrier wall including a first barrier wall portion that defines a first barrier opening that overlaps the first light-emitting opening and a second barrier wall portion that defines a second barrier opening that overlaps the second light-emitting opening, a first light-emitting element that is disposed in the first barrier opening and that includes a first anode, a first emission pattern, and a first cathode that contacts the first barrier wall portion, and a second light-emitting element that is disposed in the second barrier opening and that includes a second anode, a second emission pattern, and a second cathode that contacts the second barrier wall portion. A recess is defined in the barrier wall between the first barrier wall portion and the second barrier wall portion.

公开(公告)号：US20240147772A1

公开(公告)日：2024-05-02

申请号：US18463648

申请日：2023-09-08

Applicant: Samsung Display Co., Ltd.

Inventor： SUBIN BAE ,  DAWOON JUNG ,  YU-GWANG JEONG ,  TAEWOOK KANG ,  SANGGAB KIM ,  SUNGWON CHO

IPC: H10K59/122 ,  H10K59/12 ,  H10K59/35 ,  H10K59/80 ,  H10K59/88

CPC classification number: H10K59/122 ,  H10K59/1201 ,  H10K59/35 ,  H10K59/873 ,  H10K59/88 ,  H10K2102/351

Abstract: A display panel includes a base layer, a circuit layer, a light emitting element layer, and an encapsulation layer. The light emitting element layer includes a lower electrode on the circuit layer, a lower pixel defining film that covers a portion of the lower electrode to define a light emitting opening portion and is on the circuit layer, a light emitting pattern inside the light emitting opening portion and on the lower electrode, an upper electrode on the light emitting pattern, and an upper pixel defining film that defines an upper opening portion and is on the lower pixel defining film. The encapsulation layer includes a first inorganic encapsulation film on the upper electrode and the upper pixel defining film, and a transparent conductive oxide film on the first inorganic encapsulation film.

公开(公告)号：US20240145635A1

公开(公告)日：2024-05-02

申请号：US18235253

申请日：2023-08-17

Applicant: Samsung Display Co., LTD.

Inventor： JUHYUN LEE ,  HYUNEOK SHIN ,  JUNHYUK WOO ,  TAEWOOK KANG ,  YUNG BIN CHUNG

IPC: H01L33/44

CPC classification number: H01L33/44

Abstract: A display device includes a substrate, a first transparent pattern disposed on the substrate, where a first opening is defined through the first transparent pattern, and a first light absorbing layer overlapping a side surface of the first transparent pattern defining the first opening, where the first light absorbing layer includes a metal oxide including a first metal element, which is selected from molybdenum (Mo), copper (Cu) and chromium (Cr), and a second metal element of Group 15, and the first light absorbing layer has a thickness in a range of about 500 Å to about 10000 Å.

公开(公告)号：US20240074286A1

公开(公告)日：2024-02-29

申请号：US18229225

申请日：2023-08-02

Applicant: Samsung Display Co., LTD.

Inventor： HYUNEOK SHIN ,  TAEWOOK KANG ,  SUNGJOO KWON ,  JOONYONG PARK ,  JUHYUN LEE ,  CHANGHEE LEE ,  SAMTAE JEONG ,  YUNG BIN CHUNG

IPC: H10K59/80 ,  H10K59/12 ,  H10K59/121 ,  H10K59/122 ,  H10K59/124 ,  H10K71/20 ,  H10K71/60

CPC classification number: H10K59/80517 ,  H10K59/1201 ,  H10K59/1213 ,  H10K59/122 ,  H10K59/124 ,  H10K71/231 ,  H10K71/60 ,  H10K2102/103

Abstract: A display device includes a circuit layer and a display element layer on the circuit layer. The display element layer includes a light-emitting element and a pixel-defining film, through which a pixel opening is defined, and the light-emitting element includes a first electrode exposed through the pixel opening, a second electrode disposed opposite to the first electrode, and a light-emitting layer disposed between the first electrode and the second electrode. The first electrode includes a metal layer and a graphene layer disposed on an upper surface of the metal layer, and the metal layer and the graphene layer each have a hexagonal closed packed structure.

公开(公告)号：US20240029655A1

公开(公告)日：2024-01-25

申请号：US18376160

申请日：2023-10-03

Applicant: Samsung Display Co., Ltd.

Inventor： HANBIT KIM ,  TAEWOOK KANG ,  DOO-NA KIM ,  SANGSUB KIM ,  YUNJUNG OH ,  DOKYEONG LEE ,  JAEHWAN CHU

IPC: G09G3/3241 ,  G09G3/3291

CPC classification number: G09G3/3241 ,  G09G3/3291 ,  G09G2300/0426 ,  G09G2310/027 ,  G09G2330/021 ,  G09G2300/0842

Abstract: A pixel includes an organic light-emitting diode, a driving transistor, a first dual gate transistor, a first capacitor, and a compensation transistor. The organic light-emitting diode includes first and second terminals. The driving transistor generates the driving current and includes a first terminal to which a first power supply voltage is applied, a second terminal connected to the first terminal of the organic light-emitting diode, and a gate terminal. The first dual gate transistor is connected between the gate terminal of the driving transistor and the second terminal of the driving transistor and includes first and second sub-transistors. The first capacitor includes a first electrode to which the first power supply voltage is applied, and a second electrode connected to a first node that connects the first and second sub-transistors to each other. The compensation transistor includes a terminal connected between the second electrode and the first node.

公开(公告)号：US20230075763A1

公开(公告)日：2023-03-09

申请号：US17900625

申请日：2022-08-31

Applicant: Samsung Display Co., LTD.

Inventor： KEUNWOO KIM ,  TAEWOOK KANG ,  JOON WOO BAE ,  YU-GWANG JEONG ,  SUNGWON CHO ,  JAEHWAN CHU ,  SANGGUN CHOI

IPC: H01L27/32 ,  G09G3/3233 ,  G09G3/20 ,  H01L51/56

Abstract: A display device includes: a substrate; and a plurality of pixel circuits on the substrate comprising: an active layer including a first region and a second region; a gate insulating layer on the active layer, the gate insulating layer including a first insulating layer overlapping the first region and the second region, a second insulating layer on the first insulating layer and overlapping the first region, and a third insulating layer on the second insulating layer and overlapping the first region and the second region; and a first conductive layer on the gate insulating layer, the first conductive layer including a first gate electrode overlapping the first region to form a driving transistor, and a second gate electrode overlapping the second region to form a switching transistor.