公开(公告)号：US20240372045A1

公开(公告)日：2024-11-07

申请号：US18421690

申请日：2024-01-24

Applicant: Samsung Display Co., LTD.

Inventor： Kyeong Woo JANG ,  Se Wan SON ,  Sung Ho KIM ,  Min Woo WOO ,  Seung Hyun LEE ,  Wang Woo LEE ,  Ji Seon LEE ,  Sug Woo JUNG ,  Hye Ri CHO

IPC: H01L33/54 ,  H01L25/075

Abstract: A display device includes a substrate including a display area surrounded by a non-display area, a bank structure disposed on the substrate in the display area and including a plurality of openings, a plurality of light emitting elements disposed in the openings, a first dam disposed on the substrate in the non-display area and spaced apart from the bank structure, and a second dam spaced apart from the first dam in the non-display area, wherein the bank structure includes a first bank layer and a second bank layer disposed on the first bank layer, wherein the first dam includes a first sub-dam structure and a second sub-dam structure disposed on the first sub-dam structure, and the second bank layer includes tips protruding from sidewalls of the first bank layer, and the second sub-dam structure includes tips protruding from sidewalls of the first sub-dam structure.

公开(公告)号：US20250075305A1

公开(公告)日：2025-03-06

申请号：US18642578

申请日：2024-04-22

Applicant: Samsung Display Co., LTD.

Inventor： Jin Woo LEE ,  Jeong Kuk KIM ,  Duck Jung LEE ,  Sug Woo JUNG ,  Sung Won CHO ,  Jun Ho JO

IPC: C23C14/04 ,  H10K71/16

Abstract: A method for manufacturing a deposition mask includes depositing a seed metal layer on a front surface of a silicon substrate, forming a first photoresist pattern defining first openings on the seed metal layer, growing a plating layer in the first openings of the first photoresist pattern, forming a mask membrane by removing the first photoresist pattern and leaving the plating layer, depositing a protection layer to cover a front surface of the mask membrane, forming a second photoresist pattern defining cell opening corresponding to unit masks, respectively, on a back surface of the silicon substrate, exposing the seed metal layer by etching the back surface of the silicon substrate using the second photoresist pattern as a mask, exposing a back surface of the mask membrane by etching the seed metal layer using the second photoresist pattern as a mask, and removing the protection layer.

公开(公告)号：US20250059637A1

公开(公告)日：2025-02-20

申请号：US18636359

申请日：2024-04-16

Applicant: Samsung Display Co., LTD.

Inventor： Jun Ho JO ,  Sung Woon KIM ,  Jeong Kuk KIM ,  Duck Jung LEE ,  Il Soo LEE ,  Jin Woo LEE ,  Sug Woo JUNG ,  Sung Won CHO

IPC: C23C14/04 ,  H10K59/12

Abstract: A deposition mask includes a mask body including a silicon substrate, where a plurality of holes is defined through the mask body, and the mask body further includes mask grids extending to define the holes. A cross section of each mask grid has a reverse tapered shape having a width increasing from a back surface to an upper surface of the deposition mask, and each side surface of each mask grid defining a hole includes a first concave curved surface.

公开(公告)号：US20250048907A1

公开(公告)日：2025-02-06

申请号：US18677598

申请日：2024-05-29

Applicant: Samsung Display Co., Ltd.

Inventor： Ji Hye HAN ,  Chul Min BAE ,  Soo Jin JUNG ,  Sug Woo JUNG

IPC: H10K59/80 ,  G02B27/01 ,  H10K59/122 ,  H10K59/131 ,  H10K59/35

Abstract: A display device is provided. The display device may include a substrate, a driving element layer on the substrate, and a light emitting element layer on the driving element layer. The light emitting element layer may include a pixel defining layer delimiting sub-pixels, a first electrode of each sub-pixel in an opening of the pixel defining layer, a heating line disposed on the pixel defining layer to surround the first electrode of each sub-pixel, an intermediate layer covering the first electrode in the opening and the pixel defining layer and being partially disconnected above the heating line, and a second electrode continuously covering the intermediate layer and the heating line between adjacent sub-pixels while covering the intermediate layer in the opening. The heating line surrounds a pair of first electrodes corresponding to the adjacent sub-pixels in a form of a Eulerian trail.

公开(公告)号：US20220109038A1

公开(公告)日：2022-04-07

申请号：US17216918

申请日：2021-03-30

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Kwang Hyeok KIM ,  Sang Hyun JUN ,  Mi Young KIM ,  So Yeon PARK ,  Yong Hwan PARK ,  Sug Woo JUNG

IPC: H01L27/32 ,  G06F3/044 ,  G09G5/10 ,  G06F3/041

Abstract: A display device according to an embodiment of the present disclosure includes a display panel including a display region and a non-display region, and a sensor unit which is disposed on the display panel and includes a sensing region and a non-sensing region. The sensor unit includes a touch sensor unit which detects a touch input in the sensing region and a photo sensor unit which detects ambient illuminance.

公开(公告)号：US20240407245A1

公开(公告)日：2024-12-05

申请号：US18418645

申请日：2024-01-22

Applicant: Samsung Display Co., LTD.

Inventor： Jeong Kuk KIM ,  Sung Woon KIM ,  Sug Woo JUNG ,  Sung Won CHO

IPC: H10K71/16 ,  H10K50/11 ,  H10K59/12

Abstract: A deposition mask, method for manufacturing the same, and display device manufactured using the same. The deposition mask includes a mask substrate including an opening, and a mask pattern disposed on the mask substrate and including multiple hole patterns spaced apart from each other, wherein the mask pattern includes a first portion on the mask substrate, and a second portion protruding from the first portion in a direction opposite to the mask substrate, the second portion includes a first protruding portion and a second protruding portion disposed to be adjacent to the hole patterns, and a recessed portion disposed between the first protruding portion and the second protruding portion, and a height of the recessed portion may be smaller than heights of the first protruding portion and the second protruding portion.

公开(公告)号：US20240179978A1

公开(公告)日：2024-05-30

申请号：US18437088

申请日：2024-02-08

Applicant: Samsung Display Co., Ltd.

Inventor： Jin Sung AN ,  Sung Ho KIM ,  Yong Jae KIM ,  Yun Hwan PARK ,  Yoon Jee SHIN ,  Sug Woo JUNG ,  Hyun Wook CHOI

IPC: H10K59/131 ,  G09G3/3233 ,  H10K59/88

CPC classification number: H10K59/131 ,  G09G3/3233 ,  H10K59/88 ,  G09G2300/0413 ,  G09G2300/0426 ,  G09G2300/0819 ,  G09G2300/0861 ,  G09G2310/02

Abstract: A display device comprises a substrate; a circuit array layer comprising pixel drivers, data lines, first dummy lines, and second dummy lines; and a light emitting array layer. The display area comprises middle, first side, and second side regions. The data lines comprise first, second, and third data lines disposed in the middle, first side, and second side regions, respectively. The first dummy lines comprise a first data detour line disposed in the first side region and adjacent to a part of the second data line, and auxiliary lines. The second dummy lines comprise a second data detour line configured to connect the first data detour line to the third data line, and additional lines. The auxiliary lines comprise a bias auxiliary line to which a bias power is applied; and a second power auxiliary line to which a second power is applied.

公开(公告)号：US20240088158A1

公开(公告)日：2024-03-14

申请号：US18508227

申请日：2023-11-13

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Ki Hyun KIM ,  Young Gil PARK ,  Jin Suk LEE ,  Jai Sun KYOUNG ,  Sug Woo JUNG

IPC: H01L27/12

CPC classification number: H01L27/1218 ,  H01L27/1225 ,  H01L27/1248

Abstract: A display device includes: a substrate; a polycrystalline silicon film on the substrate; and a first buffer film between the substrate and the polycrystalline silicon film and having one surface contacting the polycrystalline silicon film and another surface opposite to the one surface, wherein the one surface of the first buffer film has a first root mean square (RMS) roughness range, and the first RMS roughness range is 1.5 nm or less.

公开(公告)号：US20240057411A1

公开(公告)日：2024-02-15

申请号：US18143402

申请日：2023-05-04

Applicant: Samsung Display Co., Ltd.

Inventor： Jin Sung AN ,  Sung Ho KIM ,  Yong Jae KIM ,  Yun Hwan PARK ,  Yoon Jee SHIN ,  Sug Woo JUNG ,  Hyun Wook CHOI

IPC: H10K59/131 ,  H10K59/88 ,  G09G3/3233

CPC classification number: H10K59/131 ,  H10K59/88 ,  G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0861 ,  G09G2300/0413 ,  G09G2300/0426 ,  G09G2310/02

Abstract: A display device comprises a substrate; a circuit array layer comprising pixel drivers, data lines, first dummy lines, and second dummy lines; and a light emitting array layer. The display area comprises middle, first side, and second side regions. The data lines comprise first, second, and third data lines disposed in the middle, first side, and second side regions, respectively. The first dummy lines comprise a first data detour line disposed in the first side region and adjacent to a part of the second data line, and auxiliary lines. The second dummy lines comprise a second data detour line configured to connect the first data detour line to the third data line, and additional lines. The auxiliary lines comprise a bias auxiliary line to which a bias power is applied; and a second power auxiliary line to which a second power is applied.

公开(公告)号：US20210257426A1

公开(公告)日：2021-08-19

申请号：US17160562

申请日：2021-01-28

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Tetsuhiro TANAKA ,  Yeong-Gyu KIM ,  Tae Sik KIM ,  Hee Yeon KIM ,  Ki Seong SEO ,  Seung Hyun LEE ,  Kyeong Woo JANG ,  Sug Woo JUNG

IPC: H01L27/32 ,  H01L29/786

Abstract: A display device includes a first thin film transistor disposed on a substrate. A first insulating interlayer covers lire first thin film transistor. An active pattern is disposed on the first insulating interlayer. The active pattern includes indium-gallium-zinc oxide (IGZO) having a thickness in a range of about 150 Å to about 400 Å. A gate insulation layer covers the active pattern A gate pattern is disposed on the gate insulation layer. A second insulating interlayer covers the gate pattern.