公开(公告)号：US12219810B2

公开(公告)日：2025-02-04

申请号：US17521546

申请日：2021-11-08

Applicant: Samsung Display Co., LTD.

Inventor： Jin Woo Choi ,  Min Woo Kim ,  Sung Kook Park ,  Dae Ho Song ,  Byung Choon Yang ,  Hyung Il Jeon

IPC: H10K59/121 ,  H10K50/856 ,  H10K50/86 ,  H10K59/12 ,  H10K71/00

Abstract: The display device includes a substrate including a plurality of pixel areas; and a pixel in each of the plurality of pixel areas. The pixel may include a pixel circuit layer on the substrate and including at least one transistor; a first electrode on the pixel circuit layer and electrically connected to the transistor; a plurality of light emitting elements on the first electrode and electrically connected to the first electrode; a second electrode on the plurality of light emitting elements; and a light blocking pattern on the second electrode and including a plurality of openings corresponding to each of the plurality of light emitting elements. Here, each of the plurality of pixel areas may include an emission area corresponding to each of the plurality of openings and a non-emission area excluding the emission area.

公开(公告)号：US11430759B2

公开(公告)日：2022-08-30

申请号：US17028365

申请日：2020-09-22

Applicant: Samsung Display Co., LTD.

Inventor： Dae Ho Song ,  Min Woo Kim ,  Byung Choon Yang ,  Hyung Il Jeon ,  Jin Woo Choi

IPC: H01L23/00 ,  H01L25/16

Abstract: A display device and a method of manufacturing the same are provided. The display device includes a first electrode disposed on a substrate, an adhesive auxiliary layer disposed on the first electrode and including a self-assembled monolayer, a light emitting element disposed on the adhesive auxiliary layer, and a contact electrode disposed between the adhesive auxiliary layer and the light emitting element. The light emitting element includes a first semiconductor layer, a second semiconductor layer disposed on the first semiconductor layer, and an intermediate layer disposed between the first semiconductor layer and the second semiconductor layer.

公开(公告)号：US12255272B2

公开(公告)日：2025-03-18

申请号：US17520118

申请日：2021-11-05

Applicant: Samsung Display Co., Ltd.

Inventor： Jin Woo Choi ,  Min Woo Kim ,  Sung Kook Park ,  Dae Ho Song ,  Byung Choon Yang ,  Hyung Il Jeon

IPC: H01L33/54 ,  H01L33/00 ,  H01L33/10 ,  H01L33/50 ,  H01L33/62

Abstract: A display device includes a substrate, and a display element part on the substrate, and including a light emitting element configured to emit light in a display direction, and a bank pattern that protrudes in the display direction, wherein the bank pattern and the light emitting element include a same material.

公开(公告)号：US12015048B2

公开(公告)日：2024-06-18

申请号：US17570112

申请日：2022-01-06

Applicant: Samsung Display Co., LTD.

Inventor： Joo Woan Cho ,  Dae Ho Song ,  Tae Hee Lee ,  Hyung Il Jeon ,  Byeong Hwa Choi

IPC: H01L23/00 ,  H01L23/48 ,  H01L25/18 ,  H01L27/15 ,  H01L27/105

CPC classification number: H01L27/156 ,  H01L23/481 ,  H01L24/06 ,  H01L25/18 ,  H01L24/05 ,  H01L24/08 ,  H01L24/16 ,  H01L24/48 ,  H01L27/105 ,  H01L2224/05025 ,  H01L2224/05541 ,  H01L2224/0613 ,  H01L2224/06181 ,  H01L2224/08225 ,  H01L2224/16145 ,  H01L2224/48229

Abstract: A display device includes a first substrate including a display area, a non-display area, and a plurality of pixel circuit units in the display area and the non-display area, a plurality of light emitting elements on the first substrate in the display area, the plurality of light emitting elements being electrically connected to the pixel circuit units, a hole mask layer on the first substrate and including a plurality of holes corresponding to the light emitting elements, a second substrate on the hole mask layer and including a plurality of open holes corresponding to the plurality of holes, and a plurality of light exit patterns in the plurality of the open holes of the second substrate corresponding to the plurality of holes, wherein each of the light exit patterns includes a first part in one of the plurality of open holes.

公开(公告)号：US11996395B2

公开(公告)日：2024-05-28

申请号：US17285328

申请日：2018-12-13

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jin Woo Choi ,  Min Woo Kim ,  Dae Ho Song ,  Hyung Il Jeon

IPC: H01L21/683 ,  H01L23/00 ,  H01L25/16

CPC classification number: H01L25/167 ,  H01L21/6835 ,  H01L24/95 ,  H01L2221/68368 ,  H01L2221/68381 ,  H01L2224/95001

Abstract: A display device and a method of manufacturing the display device are proposed. The method may include disposing light emitting elements on a first transfer film; stretching the first transfer film so that the plurality of light emitting elements are spaced apart from each other; transferring the light emitting elements onto a thin film transistor array substrate; and removing the transfer film from the light emitting elements.

公开(公告)号：US11682659B2

公开(公告)日：2023-06-20

申请号：US17154594

申请日：2021-01-21

Applicant: Samsung Display Co., LTD.

Inventor： Hyung Il Jeon ,  Min Woo Kim ,  Dae Ho Song ,  Jin Woo Choi

IPC: H01L25/075 ,  H01L27/12 ,  H01L33/50 ,  H01L33/60 ,  H01L33/64 ,  H01L33/62

CPC classification number: H01L25/0753 ,  H01L27/1214 ,  H01L33/505 ,  H01L33/60 ,  H01L33/62 ,  H01L33/64 ,  H01L33/641 ,  H01L33/642 ,  H01L2933/0041 ,  H01L2933/0058 ,  H01L2933/0066 ,  H01L2933/0075

Abstract: A display device and a method of fabricating the same are disclosed, the display device includes a first metal layer on a substrate; light emitting elements emitting light of a first color, each of the light emitting elements having a first end contacting the first metal layer; an insulating layer disposed on the first metal layer and including holes exposing a second end of each of the light emitting elements facing the first metal layer; and a light conversion layer disposed in at least one of the holes and overlapping the light emitting elements. The light conversion layer converts the light of the first color emitted from the light emitting elements into light of a second color.

公开(公告)号：US11009755B2

公开(公告)日：2021-05-18

申请号：US16364127

申请日：2019-03-25

Applicant: Samsung Display Co. Ltd.

Inventor： Hyung Il Jeon ,  Sang Hee Jang ,  Byung Seok Choi

IPC: G02F1/136 ,  G02F1/1362 ,  H01L27/12 ,  H01L29/786 ,  G02F1/1368 ,  G02F1/1333

Abstract: A display device includes: a semiconductor layer including source (SR), drain (DR), and channel (CR) regions; a first insulating layer (FIL) on the semiconductor layer; a gate line on the FIL and overlapping the CR; a second insulating layer (SIL) on the gate line; a first contact hole (FCH) in the FIL and the SIL, and exposing the SR; a data line on the SIL and contacting the SR; a third insulating layer (TIL) on the data line; a second contact hole (SCH) in the first to third insulating layers and exposing the DR; a drain electrode on the TIL and contacting the DR; a color filter on the TIL and not overlapping the SCH; a pixel electrode (PE) on the color filter and contacting the drain electrode; and an organic layer on the TIL and the PE. Upper surfaces of the organic layer and the PE are substantially coplanar.

公开(公告)号：US12142709B2

公开(公告)日：2024-11-12

申请号：US17449928

申请日：2021-10-04

Applicant: Samsung Display Co., Ltd.

Inventor： Hyung Il Jeon ,  Min Woo Kim ,  Sung Kook Park ,  Dae Ho Song ,  Byung Choon Yang ,  Jin Woo Choi

IPC: H01L33/42 ,  H01L25/075 ,  H01L33/40 ,  H01L33/58

Abstract: A display device includes: a substrate; a transparent electrode on one surface of the substrate; a reflective electrode on the transparent electrode; a transistor on the reflective electrode; and a light emitting element between the transparent electrode and the reflective electrode. The transistor overlaps the light emitting element.

公开(公告)号：US10276630B2

公开(公告)日：2019-04-30

申请号：US15585559

申请日：2017-05-03

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyun Sup Lee ,  Jung Hun Noh ,  Sang Hee Jang ,  Hyung Il Jeon ,  Byung Seok Choi

IPC: H01L21/00 ,  H01L27/15 ,  F21S4/28 ,  H01L33/36 ,  H05B33/08 ,  G02F1/1333

Abstract: A light emitting device includes a first electrode, an insulating layer, a second electrode, and a bar-type light emitting diode (LED). The insulating layer includes a plurality of protruding parts protruding from the first electrode and at least one hole between the protruding parts. The second electrode on the insulating layer. The bar-type LED is in the at least one hole. The bar-type LED has a first end and a second end in the length direction. One of the first or second ends is connected to the first electrode and the other of the first or second ends is connected to the second electrode.

公开(公告)号：US20190229148A1

公开(公告)日：2019-07-25

申请号：US16374003

申请日：2019-04-03

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyun Sup Lee ,  Jung Hun Noh ,  Sang Hee Jang ,  Hyung Il Jeon ,  Byung Seok Choi

IPC: H01L27/15 ,  H01L33/36 ,  F21S4/28 ,  H05B33/08

Abstract: A light emitting device includes a first electrode, an insulating layer, a second electrode, and a bar-type light emitting diode (LED). The insulating layer includes a plurality of protruding parts protruding from the first electrode and at least one hole between the protruding parts. The second electrode on the insulating layer. The bar-type LED is in the at least one hole. The bar-type LED has a first end and a second end in the length direction. One of the first or second ends is connected to the first electrode and the other of the first or second ends is connected to the second electrode.