公开(公告)号：US20230215983A1

公开(公告)日：2023-07-06

申请号：US18093959

申请日：2023-01-06

Applicant: Samsung Display Co., LTD.

Inventor： Mi Hyang SHEEN ,  Yun Hyuk KO ,  Dong Uk KIM ,  Na Ri AHN ,  Chang Hee LEE ,  Do Hyung KIM ,  Ran KIM ,  In Pyo KIM ,  Ki Young YEON ,  Je Won YOO ,  Joo Hee LEE ,  Sang Ho JEON ,  Jung Woon JUNG ,  Chan Woo JOO ,  Jin Young CHOI ,  Na Mi HONG ,  Jong Il KIM ,  Jin Ho BYUN ,  Sang Ho OH ,  Jae Kwang LEE ,  Yong Seok CHOI ,  Jong Hoon HA

IPC: H01L33/38 ,  H01L25/075 ,  H01L33/20 ,  H01L33/00 ,  H01L33/62

CPC classification number: H01L33/382 ,  H01L25/0753 ,  H01L33/20 ,  H01L33/005 ,  H01L33/62 ,  H01L2933/0016

Abstract: A method for fabricating a light emitting element includes preparing a substrate, and forming a first semiconductor material layer, a light emitting material layer, a second semiconductor material layer and an electrode material layer on the substrate, forming semiconductor rods spaced apart from each other by etching the first semiconductor material layer, the light emitting material layer, the second semiconductor material layer and the electrode material layer in a direction perpendicular to an upper surface of the substrate, forming an insulating layer surrounding sides of the semiconductor rods through a sol-gel process by immersing the substrate, including the semiconductor rods, in a solution containing a precursor material, and forming light emitting elements by separating the semiconductor rods, including the insulating layer, from the substrate, and the light emitting elements have an external quantum efficiency of 20.2±0.6%.

公开(公告)号：US20230130149A1

公开(公告)日：2023-04-27

申请号：US17972310

申请日：2022-10-24

Applicant: Samsung Display Co., LTD.

Inventor： Sung Jin LEE ,  Won Tae KIM ,  Je Won YOO ,  Yong Sik HWANG

IPC: H01L33/62 ,  H01L25/16

Abstract: According to one or more embodiments of the present disclosure, a display device including a first extension area and a second extension area, the display device including: a first electrode and a second electrode on a substrate and spaced from each other in a first direction; and a first light emitting element on the first electrode and the second electrode, wherein: the first extension area extends in the first direction and includes a separation area in which the first electrode is not located, and the second extension area extends in a second direction crossing the first direction, the second extension area being an area in which the first electrode and the second electrode are not located.

公开(公告)号：US20230014830A1

公开(公告)日：2023-01-19

申请号：US17743366

申请日：2022-05-12

Applicant: Samsung Display Co., LTD.

Inventor： Hoon KIM ,  Je Won YOO ,  Yong Sik HWANG

IPC: H01L25/16 ,  H01L33/62 ,  H01L23/00

Abstract: A pixel may include first and second electrodes spaced apart from each other along a first direction, first light emitting elements arranged along a second direction in a first area between the first electrode and the second electrode, and including a first end portion adjacent to the first electrode and a second end portion adjacent to the second electrode, a first contact electrode on the first end portions of the first light emitting elements, and including a transparent electrode layer, a second contact electrode on the second end portions of the first light emitting elements, and including a reflective electrode layer, a first bank pattern overlapping a portion of the first electrode beneath the first electrode, and a second bank pattern overlapping a portion of the second electrode beneath the second electrode, wherein the first and second bank patterns are spaced apart from the first area by different distances.

公开(公告)号：US20220199863A1

公开(公告)日：2022-06-23

申请号：US17513302

申请日：2021-10-28

Applicant: Samsung Display Co., LTD.

Inventor： Se Hun KIM ,  Chang Hee LEE ,  Yun Hyuk KO ,  Jun Bo SIM ,  Jae Kook HA ,  Dong Uk KIM ,  In Pyo KIM ,  Je Won YOO ,  Hyun Min CHO ,  Chan Woo JOO ,  Na Mi HONG

IPC: H01L33/44 ,  H01L27/15 ,  H01L33/00 ,  H01L33/24

Abstract: A method for manufacturing a light emitting element includes forming a first semiconductor layer on a substrate, the first semiconductor layer including a semiconductor of a first type; forming an active layer on the first semiconductor layer; forming a second semiconductor layer on the active layer, the second semiconductor layer including a semiconductor of a second type different from the first type; performing an etching process of removing at least a portion of each of the first semiconductor layer, the active layer, and the second semiconductor layer in a direction toward the first semiconductor layer from the second semiconductor layer; and forming a first insulating layer to surround an outer surface of the active layer. The first insulating layer is formed by a wet process.

公开(公告)号：US20210351171A1

公开(公告)日：2021-11-11

申请号：US17278114

申请日：2019-03-21

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Je Won YOO ,  Dae Hyun KIM ,  Bek Hyun LIM ,  Myeong Hee KIM ,  Chang Il TAE ,  Hyun Min CHO ,  Keun Kyu SONG ,  Jin Oh KWAG

IPC: H01L25/16 ,  H01L33/54 ,  H01L33/44 ,  H01L23/00

Abstract: A display device may include: a substrate including a display area and a non-display area; and pixels disposed on the display area, and each including sub-pixels, each sub-pixel including a pixel circuit layer, and a display element layer including a light emitting element. The display element layer includes first and second electrodes spaced apart from each other; a first insulating layer disposed between the pixel circuit layer and the light emitting element; and a second insulating layer disposed on the light emitting element and filling spaces between the first insulating layer and ends of the light emitting element. The light emitting element includes a first conductive semiconductor layer, an active layer enclosing at least one side of the first conductive semiconductor layer, a second conductive semiconductor layer enclosing the active layer, an electrode layer enclosing the second conductive semiconductor layer, and an insulating film covering the electrode layer.

公开(公告)号：US20210296550A1

公开(公告)日：2021-09-23

申请号：US17266387

申请日：2019-02-07

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Xinxing LI ,  Dae Hyun KIM ,  Myeong Hee KIM ,  Veidhes BASRUR ,  Je Won YOO ,  Bek Hyun LIM

IPC: H01L33/62 ,  G09G3/32 ,  H01L33/38 ,  H01L27/15 ,  H01L33/00

Abstract: A display device may include a substrate including a display area and a non-display area; and pixels provided in the display area, each of the plurality of pixels comprising sub-pixels. Each of the plurality of sub-pixels may include a pixel circuit layer including at least one transistor, and a display element layer including an emission area and a peripheral area, a first electrode provided in the emission area, a second electrode spaced apart from the first electrode, at least one light emitting element provided in the emission area, and including a first end electrically connected to the first electrode, and a second end electrically connected to the second electrode; a first connection line provided in the peripheral area; and a bridge pattern provided in the peripheral area, and diverging from the first connection line. The bridge pattern may be electrically disconnected from each of the first and second electrodes.

公开(公告)号：US20170060299A1

公开(公告)日：2017-03-02

申请号：US15072958

申请日：2016-03-17

Applicant: Samsung Display Co., Ltd.

Inventor： Won Il CHOI ,  Je Won YOO ,  Jong Ho HONG ,  Hye Jin JOO

IPC: G06F3/044 ,  H05K3/10 ,  H05K1/09 ,  H05K1/02 ,  H05K1/03

CPC classification number: G06F3/044 ,  G06F2203/04103 ,  H05K1/0283 ,  H05K1/0298 ,  H05K1/0326 ,  H05K1/0346 ,  H05K1/09 ,  H05K3/101 ,  H05K3/107

Abstract: A touch sensor including a first substrate which extends in a first direction and on which first channels may be formed and stretched, a first conductive liquid injected into the first channels, a second substrate which extends in a second direction which intersects with the first direction and on which second channels may be formed and stretched, and a second conductive liquid injected into the second channels.

Abstract translation: 一种触摸传感器，包括：第一基板，其沿第一方向延伸并且可以在其上形成并拉伸第一通道;第一导电液体，其注入到所述第一通道中;第二基板，沿与第一方向相交的第二方向延伸， 其上可以形成和拉伸第二通道，并将第二导电液体注入第二通道。

公开(公告)号：US20250056981A1

公开(公告)日：2025-02-13

申请号：US18630547

申请日：2024-04-09

Applicant: Samsung Display Co., LTD.

Inventor： Seung Min LEE ,  Dong Jo KIM ,  Hyun KIM ,  Seong Geun WON ,  Je Won YOO ,  Dan Bi CHOI ,  Souk June HWANG

IPC: H10K59/127 ,  H10K59/80 ,  H10K77/10 ,  H10K102/00

Abstract: A display device includes a first substrate including a first surface and a second surface, which are opposite to each other, where the first substrate includes a rigid material, a second substrate disposed on the first surface of the first substrate, where the second substrate includes a flexible material, and a plurality of light-emitting elements disposed on the second substrate, where the first substrate further include first side surfaces disposed between the first and second surfaces, and first inclined surfaces disposed between the first surface and the first side surfaces, where the first side surfaces and the first inclined surfaces are at edges of the first substrate in a bending area where the second substrate is bent, and the display device further includes a filler disposed between a bottom surface of the second substrate and the first side surfaces of the first substrate, in the bending area.

公开(公告)号：US20240341138A1

公开(公告)日：2024-10-10

申请号：US18511349

申请日：2023-11-16

Applicant: Samsung Display Co., LTD.

Inventor： Seung Min LEE ,  Dong Jo KIM ,  Young Ji KIM ,  Hyun KIM ,  Si Joon SONG ,  Je Won YOO

IPC: H10K59/131 ,  H10K59/12 ,  H10K59/80 ,  H10K71/60

CPC classification number: H10K59/131 ,  H10K59/1201 ,  H10K59/871 ,  H10K59/873 ,  H10K71/60

Abstract: A display device includes: a substrate comprising an open portion; a pad portion on the substrate and exposed through the open portion; a fanout line integrally formed with the pad portion; a data line electrically connected to the fanout line; a flexible film under the substrate and comprising a lead electrode inserted into the open portion of the substrate to directly contact the pad portion; and a contact portion covering a lower surface of the lead electrode and a lower surface of the pad portion to electrically connect the lead electrode and the pad portion.

公开(公告)号：US20240102921A1

公开(公告)日：2024-03-28

申请号：US18532379

申请日：2023-12-07

Applicant: Samsung Display Co., LTD.

Inventor： Je Won YOO ,  Basrur VEIDHES ,  Dae Hyun KIM ,  Hyun Min CHO ,  Jong Won LEE ,  Joo Yeol LEE

IPC: G01N21/25 ,  G01N21/17 ,  G01R31/26 ,  G01R31/265 ,  G02B21/06 ,  G02B21/26 ,  G02B21/36

CPC classification number: G01N21/255 ,  G01N21/1717 ,  G01R31/2635 ,  G01R31/2656 ,  G02B21/06 ,  G02B21/26 ,  G02B21/361 ,  G01N2021/1721

Abstract: An optical inspection apparatus includes a stage that supports a target substrate, the target substrate including a plurality of light emitting elements, a jig that applies an electrical signal to the target substrate, the jig including a regulation resistor, a microscope that generates magnified image data of the target substrate, a camera that captures the magnified image data to generate a color image of the target substrate, and an optical measurement unit that captures the magnified image data of the target substrate to generate a spectrum image and measure optical characteristics of the target substrate.