公开(公告)号：US11974449B2

公开(公告)日：2024-04-30

申请号：US17374517

申请日：2021-07-13

Applicant: Samsung Display Co., Ltd.

Inventor： Seokjae Lee ,  Yunjae Kim ,  Jungkyun Kim ,  Hyungu Kim ,  Bohun Park ,  Jin Woo Park ,  Jungjin Yang ,  Bum Suk Lee ,  Sunhye Lee ,  Jaejin Lee

IPC: H10K50/19 ,  H10K50/13 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K50/805 ,  H10K102/00

CPC classification number: H10K50/805 ,  H10K50/131 ,  H10K50/15 ,  H10K50/16 ,  H10K50/171 ,  H10K50/19 ,  H10K2102/351

Abstract: A light-emitting element may include a first electrode, a second electrode facing the first electrode, a first hole transport layer disposed above the first electrode, a first electron transport layer disposed between the first hole transport layer and the second electrode. A first light-emitting part and a second light-emitting part that emit different light may be disposed between the first hole transport layer and the first electron transport layer. The first light-emitting part may include a first blue emission layer, a second electron transport layer, a charge generation layer, and a second blue emission layer, and the first blue emission layer may be disposed above the first hole transport layer. At least one of the first electron transport layer and the second electron transport layer may be directly disposed above at least one of the first blue emission layer and the second blue emission layer.

公开(公告)号：US11853119B2

公开(公告)日：2023-12-26

申请号：US17705812

申请日：2022-03-28

Applicant: Samsung Display Co., Ltd.

Inventor： Bugyoon Yoo ,  Yunjae Kim

IPC: G06F1/16

CPC classification number: G06F1/1616 ,  G06F1/1643 ,  G06F1/1656 ,  G06F1/1686

Abstract: A display device includes a display panel including a first non-folding region, a second non-folding region, and a folding region between the first and second non-folding regions, and a lower member below the display panel. The lower member includes a support layer below the display panel and including a first support part which overlaps the first non-folding region, a second support part which overlaps the second non-folding region, and a folding part which overlaps the folding region, where openings are defined in the folding part, a digitizer below the support layer and corresponding to the first and support parts, a cover layer between the support layer and the digitizer and attached below the folding part, and a lower adhesion layer between the support layer and the digitizer. The lower adhesion layer is between the first and second support parts.

公开(公告)号：US11570920B2

公开(公告)日：2023-01-31

申请号：US17331038

申请日：2021-05-26

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Yunjae Kim ,  Minseop Kim ,  Bugyoon Yoo ,  Munsik Ham

IPC: H05K5/02 ,  H05K5/03

Abstract: A display device includes a window, a display module on a rear surface of the window, and including a folding area, and a non-folding area adjacent to the folding area, and a protective cover on a rear surface of the display module, and including a cover portion configured to cover the folding area and the non-folding area of the display module, and holding portions extending in a first direction, or in a second direction crossing the first direction, from the cover portion, and protruding outside the display module when viewed in a plane.

公开(公告)号：US11216029B2

公开(公告)日：2022-01-04

申请号：US17089701

申请日：2020-11-04

Applicant: Samsung Display Co., Ltd.

Inventor： Bugyoon Yoo ,  Yunjae Kim

IPC: G06F1/16 ,  G06F1/20

Abstract: Provided is a display device including a display module in which a folding region and first and second non-folding regions facing each other and a heat dissipation sheet disposed on one surface thereof. The heat dissipation sheet includes a first heat dissipation adhesive layer including a first adhesive portion overlapping the first non-folding region and a second adhesive portion overlapping the second non-folding region, a second heat dissipation adhesive layer including a third adhesive portion overlapping the first adhesive portion and a fourth adhesive portion overlapping the second adhesive portion, a heat dissipation layer including a first heat dissipation portion disposed between the first adhesive portion and the third adhesive portion and a second heat dissipation portion disposed between the second adhesive portion and the fourth adhesive portion, and an auxiliary adhesive layer including a first auxiliary adhesive portion disposed between the first adhesive portion and the third adhesive portion.

公开(公告)号：US12253881B2

公开(公告)日：2025-03-18

申请号：US17821845

申请日：2022-08-24

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Yunjae Kim ,  Hoseung Kang ,  Jong-Hyun Lee

IPC: G06F1/16

Abstract: A foldable display device includes a display module including a first non-folding area, a second non-folding area, and a folding area between the first non-folding area and the second non-folding area, a support member disposed below the display module and including a first support layer overlapping the first non-folding area, a second support layer overlapping the second non-folding area, and a pattern layer overlapping the folding area, surrounding the first support layer and the second support layer, and including a conductive metal material, and a digitizer disposed below the support member.

公开(公告)号：US12242306B2

公开(公告)日：2025-03-04

申请号：US18159520

申请日：2023-01-25

Applicant: Samsung Display Co., Ltd.

Inventor： Yunjae Kim ,  Joonhyuk Jang ,  Munsik Ham

IPC: G06F1/16

Abstract: A display module includes: a display unit to be folded along a virtual folding axis, and including: a front surface; and a rear surface opposite to the front surface; a protection cover on the front surface of the display unit; a cover member on the rear surface of the display unit, and including a cutting part to be separable from the cover member and overlapping with a portion of the folding axis; and a cover pad below the cover member.

公开(公告)号：US12217634B2

公开(公告)日：2025-02-04

申请号：US17303022

申请日：2021-05-18

Applicant: Samsung Display Co., Ltd.

Inventor： Bugyoon Yoo ,  Joonhyuk Jang ,  Hoseung Kang ,  Minseop Kim ,  Yunjae Kim ,  Munsik Ham

IPC: G09F9/30 ,  H10K50/844 ,  H10K71/00 ,  H10K77/10 ,  H10K102/00

Abstract: A release film includes: a first release film; and a second release film below the first release film, wherein the second release film comprises: a first sub release film below the first release film; and a second sub release film below the first sub release film and comprising a first portion and a second portion around the first portion, wherein the first portion is attached to and detached from the first sub release film.

公开(公告)号：US12197689B2

公开(公告)日：2025-01-14

申请号：US18325167

申请日：2023-05-30

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Bugyoon Yoo ,  Yunjae Kim

IPC: G06F3/046 ,  H10K59/126 ,  H10K59/40 ,  H10K59/65 ,  H10K77/10 ,  G06F3/041 ,  H10K102/00

Abstract: A display device includes a display panel with a folding area between two non-folding areas. A window is on the display panel. A first adhesive layer is between the window and the display panel, and has a first thickness. A lower structure is under the display panel. The lower structure includes a first support layer overlapping the first non-folding area and the second-non-folding area, a digitizer under the first support layer, including a loop coil, and overlapping the first non-folding area and the second non-folding area, an electromagnetic shielding layer under the digitizer having a second thickness, a metal layer under the electromagnetic shielding layer, and an insulating second support layer under the metal layer. The first thickness is about 75 μm to about 100 μm, and the second thickness is about 30 μm to about 60 μm.

公开(公告)号：US20240069684A1

公开(公告)日：2024-02-29

申请号：US18325167

申请日：2023-05-30

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Bugyoon Yoo ,  Yunjae Kim

IPC: G06F3/046 ,  H10K59/126 ,  H10K59/40 ,  H10K59/65 ,  H10K77/10

CPC classification number: G06F3/046 ,  H10K59/126 ,  H10K59/40 ,  H10K59/65 ,  H10K77/111 ,  G06F3/0412 ,  G06F2203/04102 ,  G06F2203/04107

Abstract: A display device includes a display panel with a folding area between two non-folding areas. A window is on the display panel. A first adhesive layer is between the window and the display panel, and has a first thickness. A lower structure is under the display panel. The lower structure includes a first support layer overlapping the first non-folding area and the second-non-folding area, a digitizer under the first support layer, including a loop coil, and overlapping the first non-folding area and the second non-folding area, an electromagnetic shielding layer under the digitizer having a second thickness, a metal layer under the electromagnetic shielding layer, and an insulating second support layer under the metal layer. The first thickness is about 75 μm to about 100 μm, and the second thickness is about 30 μm to about 60 μm.

公开(公告)号：US20220100229A1

公开(公告)日：2022-03-31

申请号：US17536065

申请日：2021-11-28

Applicant: Samsung Display Co., Ltd.

Inventor： BUGYOON YOO ,  Yunjae Kim

IPC: G06F1/16 ,  G06F1/20

Abstract: Provided is a display device including a display module in which a folding region and first and second non-folding regions facing each other and a heat dissipation sheet disposed on one surface thereof. The heat dissipation sheet includes a first heat dissipation adhesive layer including a first adhesive portion overlapping the first non-folding region and a second adhesive portion overlapping the second non-folding region, a second heat dissipation adhesive layer including a third adhesive portion overlapping the first adhesive portion and a fourth adhesive portion overlapping the second adhesive portion, a heat dissipation layer including a first heat dissipation portion disposed between the first adhesive portion and the third adhesive portion and a second heat dissipation portion disposed between the second adhesive portion and the fourth adhesive portion, and an auxiliary adhesive layer including a first auxiliary adhesive portion disposed between the first adhesive portion and the third adhesive portion.