公开(公告)号：US20240038952A1

公开(公告)日：2024-02-01

申请号：US18116513

申请日：2023-03-02

Applicant: Samsung Display Co., LTD.

Inventor： In Woo KIM ,  Yong Tae CHO ,  Kook Hyun CHOI ,  Chang Woo KWON ,  Dae Cheol KIM ,  Jong Hwan PARK ,  Ji Hyeon SON

IPC: H01L33/62 ,  H01L33/38 ,  H01L33/00

CPC classification number: H01L33/62 ,  H01L33/382 ,  H01L33/005 ,  H01L2933/0016 ,  H01L2933/0066

Abstract: A display device comprises a thin film transistor layer comprising a first metal layer disposed on a substrate and a thin film transistor disposed on the first metal layer, first and second electrodes disposed in a display area on the thin film transistor layer and extending in parallel in a direction, a plurality of light emitting elements disposed between the first and second electrodes, and an alignment line disposed in a non-display area disposed adjacent to the display area and electrically connected to the first and second electrodes. The alignment line comprises metal patterns disposed in the first metal layer and spaced apart from each other, and a bridge portion disposed on the first metal layer and electrically connected to the metal patterns.

公开(公告)号：US20220328528A1

公开(公告)日：2022-10-13

申请号：US17550429

申请日：2021-12-14

Applicant: Samsung Display Co., LTD.

Inventor： Jong Chan LEE ,  Hyun KIM ,  Jeong Su PARK ,  Jeong Kook WANG ,  Hyun Wook LEE ,  Yong Tae CHO

IPC: H01L27/12 ,  H01L25/16 ,  H01L33/60

Abstract: A display device includes a first electrode and a second electrode spaced apart from each other, each of the first electrode and the second electrode including an electrode base layer, a main electrode layer disposed on the electrode base layer, and an electrode upper layer disposed on a portion of the main electrode layer, a first insulating layer disposed on the first electrode and the second electrode, light-emitting elements disposed on the first electrode and the second electrode on the first insulating layer, a first connecting electrode electrically contacting the light-emitting elements, and a second connecting electrode electrically contacting the light-emitting elements. The first electrode includes a first part, the second electrode includes a second part, and the light-emitting elements are disposed on the first part and the second part.

公开(公告)号：US20170153515A1

公开(公告)日：2017-06-01

申请号：US15217922

申请日：2016-07-22

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： In Woo KIM ,  Joong Tae KIM ,  Da Young LEE ,  Ki Hun JEONG ,  Yong Tae CHO ,  Min Ha HWANG

IPC: G02F1/1343

CPC classification number: G02F1/134327 ,  G02F1/133707 ,  G02F1/134336 ,  G02F1/13624 ,  G02F2001/136222 ,  G02F2201/121 ,  G02F2201/123 ,  G02F2201/128

Abstract: An LCD includes: pixel electrodes; a common electrode including a plurality of slits; and a liquid crystal layer interposed between the pixel electrodes and the common electrode. The plurality of slits include a first slit and a second slit that are disposed adjacent to each other in a first direction. The first slit includes a first central portion and a first extension portion extending from the first central portion toward the second slit, and the second slit includes a second central portion and a first extension portion extending from the second central portion toward the first slit. An end of the first extension portion of the first slit and an end of the first extension portion of the second slit are spaced apart from each other; and disposed, in a staggered manner, on opposite sides of an imaginary center line connecting the first central portion and the second central portion.

公开(公告)号：US20240136488A1

公开(公告)日：2024-04-25

申请号：US18488705

申请日：2023-10-16

Applicant: Samsung Display Co., Ltd.

Inventor： Jin Taek KIM ,  Veidhes BASRUR ,  Ki Nyeng KANG ,  Ock Soo SON ,  Yong Tae CHO ,  Jong Hwan CHA

IPC: H01L33/62 ,  H01L25/16

CPC classification number: H01L33/62 ,  H01L25/167

Abstract: A pixel may include: an emission area and a non-emission area; a first bank in the non-emission area, the first bank including an opening corresponding to the emission area; a first electrode, a second electrode, and an intermediate electrode that are spaced from each other; light emitting elements in the emission area, each of the light emitting elements including one end portion electrically connected to one of the first electrode, the second electrode, or the intermediate electrode and an other end portion electrically connected to another one of the first electrode, the second electrode, or the intermediate electrode; and a sub-bank located in the opening of the first bank, the sub-bank being spaced from the first bank. The intermediate electrode may be around at least a portion of the sub-bank.

公开(公告)号：US20240096903A1

公开(公告)日：2024-03-21

申请号：US18317327

申请日：2023-05-15

Applicant: Samsung Display Co., LTD.

Inventor： Veidhes BASRUR ,  Jin Taek KIM ,  Ki Nyeng KANG ,  Yong Tae CHO

IPC: H01L27/12 ,  H01L23/00 ,  H01L25/16

CPC classification number: H01L27/124 ,  H01L24/05 ,  H01L24/29 ,  H01L24/32 ,  H01L25/167 ,  H01L27/1288 ,  H01L2224/05573 ,  H01L2224/29028 ,  H01L2224/32225

Abstract: A display device includes electrodes spaced apart from each other in a display area, an insulating layer disposed on the electrodes, light emitting elements disposed between the electrodes on the insulating layer, a signal line electrically connected to the light emitting elements, and a pad electrode electrically connected to the signal line, the pad electrode and the electrodes being disposed on a same layer in a non-display area. The insulating layer includes an opening exposing the pad electrode, and the signal line does not overlap the opening of the insulating layer in plan view.

公开(公告)号：US20230091726A1

公开(公告)日：2023-03-23

申请号：US17945373

申请日：2022-09-15

Applicant: Samsung Display Co., LTD.

Inventor： Do Yeong PARK ,  In Woo KIM ,  Chong Chul CHAI ,  Chang Woo KWON ,  Kyung Bae KIM ,  Dae Cheol KIM ,  Jong Hwan PARK ,  Yong Tae CHO ,  Kook Hyun CHOI

IPC: H01L33/62 ,  H01L27/15 ,  H01L33/38

Abstract: A display device includes a substrate including a display area and a non-display area; pixels disposed in the display area and including respective light emitting units; a first conductive pattern disposed between the pixels; and a power source line disposed in the non-display area and electrically connected to the first conductive pattern. Each of the light emitting units includes a light emitting element, a first pixel electrode disposed on a first end of the light emitting element, and a second pixel electrode disposed on a second end of the light emitting element. The first conductive pattern and the second pixel electrode are disposed on a same layer.

公开(公告)号：US20180182748A1

公开(公告)日：2018-06-28

申请号：US15798921

申请日：2017-10-31

Applicant: Samsung Display Co., Ltd.

Inventor： Jee Hoon HAN ,  Won Jun LEE ,  Kyung Suk JUNG ,  Yong Tae CHO ,  O Sung SEO ,  Yun Seok LEE

IPC: H01L27/02 ,  H01L27/12 ,  H01L29/417 ,  H01L29/49 ,  G09G3/36

Abstract: A scan driver has a plurality of stages configured to supply a scan signal to scan lines. The plurality of stages include a stage coupled to a scan line of the scan lines. The stage includes a first transistor including a gate electrode, a drain electrode and a source electrode and is configured to output the scan signal to the scan line; a second transistor provided on a side of the first transistor and connected to the drain electrode; a third transistor provided on the side of the first transistor and connected to the source electrode; a capacitor provided between the scan line and the first transistor; a first dummy transistor provided between the first transistor and the capacitor and connected to the capacitor; and a second dummy transistor provided between the first transistor and the second transistor and connected to both the first transistor and the second transistor.

公开(公告)号：US20250160128A1

公开(公告)日：2025-05-15

申请号：US18823522

申请日：2024-09-03

Applicant: Samsung Display Co., LTD.

Inventor： Suk Hoon KU ,  Dae Yong KIM ,  Sang Yeol KIM ,  Jin Taek KIM ,  Yong Tae CHO ,  Hyung Uk CHO

IPC: H10K59/122

Abstract: A display device includes: a first electrode; a pixel defining layer on the first electrode; a separation layer on the pixel defining layer; an emission structure on the first electrode and the separation layer; and a second electrode on the emission structure, wherein the separation layer comprises a first separation layer on the pixel defining layer and having a first width, and a second separation layer on the first separation layer and having a second width greater than the first width, wherein the emission structure includes a first layer having a first thickness, and a second layer having a second thickness greater than the first thickness, and wherein the second separation layer is between the first layer and the second layer.

公开(公告)号：US20240145643A1

公开(公告)日：2024-05-02

申请号：US18494692

申请日：2023-10-25

Applicant: Samsung Display Co., Ltd.

Inventor： Jin Taek KIM ,  Ki Nyeng KANG ,  Veidhes BASRUR ,  Ock Soo SON ,  Yong Tae CHO

IPC: H01L33/50 ,  H01L25/16 ,  H01L27/12

CPC classification number: H01L33/507 ,  H01L25/167 ,  H01L27/1248 ,  H01L27/1259 ,  H01L33/502 ,  H01L2933/0041

Abstract: A display device includes a substrate including a display area and a first surface and a second surface opposite each other; and pixels in the display area and including an emission area and a non-emission area, respectively. Each of the pixels may include: a pixel circuit layer including one or more transistors on the first surface of the substrate in the non-emission area, and a first insulating layer, a second insulating layer, a third insulating layer and a fourth insulating layers that are sequentially stacked on the first surface of the substrate and respectively include an opening exposing the first surface of the substrate in the emission area; an optical layer on the pixel circuit layer; and a light emitting element layer on the optical layer. The optical layer may fill the opening of each of the first to fourth insulating layers in at least the emission area.

公开(公告)号：US20230317762A1

公开(公告)日：2023-10-05

申请号：US17969085

申请日：2022-10-19

Applicant: Samsung Display Co., LTD.

Inventor： In Woo KIM ,  Yong Tae CHO ,  Kook Hyun CHOI

IPC: H01L27/15 ,  H01L33/24 ,  H01L33/44

CPC classification number: H01L27/156 ,  H01L33/24 ,  H01L33/44

Abstract: A display device includes a display area and a pad area. The display device may include a pixel on a base layer in the display area, the pixel including a light emitting element, and pads on the base layer in the pad area. The pads may include pad lines including first and second pad lines and first and second electrode parts. The pads may include a first contact area and a second contact area. The first pad line and the second pad line may be electrically connected to each other in the first contact area. The second pad line and the second electrode part may be electrically connected in the second contact area. The first electrode part may overlap the second pad line in a plan view. The first and second electrode parts may be electrically separated from each other by a pad insulating pattern.