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：US10162238B2

公开(公告)日：2018-12-25

申请号：US15052742

申请日：2016-02-24

Applicant: Samsung Display Co., Ltd.

Inventor： Kwang Soo Bae ,  Min Jeong Oh ,  Hae Ju Yun ,  Dae Ho Song ,  Taimei Kodaira ,  Yu Jin Kim

IPC: G02F1/1339 ,  G02F1/1362 ,  G02F1/1368 ,  G02F1/1333 ,  G02F1/1341 ,  G02F1/1343 ,  G02F1/1337

Abstract: A display device according to an exemplary embodiment of the present inventive concept includes: a substrate; a data line and a thin film transistor disposed on the substrate; a common electrode and a pixel electrode disposed on the thin film transistor and overlapping each other by interposing an insulating layer therebetween; a roof layer formed to be separated from the pixel electrode and the common electrode while interposing a microcavity therebetween and having an injection hole partially exposing the microcavity; a liquid crystal layer filling the microcavity; an overcoat formed on the roof layer to cover the injection hole and sealing the microcavity. The pixel electrode includes an auxiliary electrode that is formed on the data line, the auxiliary electrode overlapping and being insulated from the data line.

公开(公告)号：US10139672B2

公开(公告)日：2018-11-27

申请号：US15347109

申请日：2016-11-09

Applicant: Samsung Display Co., Ltd.

Inventor： Min-Woo Lee ,  Dae Ho Song ,  Woo Jae Lee

IPC: G02F1/1335 ,  G02F1/1341 ,  G02F1/1333 ,  G02F1/1343 ,  G02F1/1368 ,  G02F1/1337 ,  G02F1/1362

Abstract: A liquid crystal display includes: a substrate including a plurality of pixel areas; a TFT disposed on the substrate; a pixel electrode connected with the TFT and disposed on the TFT; a common electrode positioned on the pixel electrode and separated from the pixel electrode by a microcavity; a roof layer disposed on the common electrode; an injection hole disposed in the common electrode and the roof layer along a long-axial direction of the substrate to expose a part of the microcavity; a liquid crystal layer filling the microcavity; a first polarizer having a polarization axis in a short-axial direction of the substrate on the roof layer; and a second polarizer having a polarization axis in a long-axial direction of the substrate below the substrate, in which heights of edges in the long-axial and short-axial directions of the substrate are larger than a height of the center of the substrate.

公开(公告)号：US09746714B2

公开(公告)日：2017-08-29

申请号：US15017875

申请日：2016-02-08

Applicant: Samsung Display Co., Ltd.

Inventor： Dae Ho Song ,  Jae Cheol Park ,  Seong Gyu Kwon ,  You Young Jin

IPC: G02F1/1337 ,  G02F1/1333 ,  G02F1/1341 ,  C09K19/56 ,  C09K19/54

CPC classification number: G02F1/133711 ,  C09K19/56 ,  C09K2019/548 ,  G02F1/133377 ,  G02F1/1341 ,  G02F2001/133746 ,  Y10T428/10 ,  Y10T428/1005

Abstract: A display device includes a substrate, a thin film transistor positioned on the substrate, a pixel electrode connected to the thin film transistor, an alignment layer positioned on the pixel electrode, a liquid crystal layer including liquid crystal molecules formed on the alignment layer and positioned in a plurality of microcavities, a roof layer positioned such that the roof layer is spaced apart from the pixel electrode with a microcavity interposed therebetween, and an overcoat positioned on the roof layer and covering a trench positioned between the plurality of microcavities, in which in the liquid crystal layer, a pre-tilt angle manifestation group positioned to be adjacent to the alignment layer is formed, and the pre-tilt angle manifestation group includes a polymer of a compound represented by Chemical Formula 1.

公开(公告)号：US09612469B2

公开(公告)日：2017-04-04

申请号：US14472146

申请日：2014-08-28

Applicant: Samsung Display Co., Ltd.

Inventor： Jung Suk Bang ,  Dae Ho Song ,  Seok-Joon Hong

IPC: G02F1/1333 ,  G02F1/1341

CPC classification number: G02F1/1341 ,  G02F1/133345 ,  G02F1/133377 ,  G02F1/134309 ,  G02F1/13439 ,  G02F1/1368 ,  G02F2201/121 ,  G02F2201/123 ,  G02F2201/56

Abstract: Provided is a display device, including a substrate including pixel areas which are disposed in a matrix form including pixel rows and pixel columns, a thin film transistor formed on the substrate, a pixel electrode connected to the thin film transistor, a common electrode formed on the pixel electrode to be spaced apart from the pixel electrode with a microcavity therebetween, a liquid crystal layer filling the microcavity between the pixel electrode and the common electrode, a roof layer formed on the common electrode, a liquid crystal injection hole formed in the common electrode and the roof layer to expose a part of the microcavity, and an overcoat formed on the roof layer so as to cover the liquid crystal injection hole to seal the microcavity. A cross section of the microcavity has a reverse-tapered trapezoidal shape in which an upper width is larger than a lower width.

公开(公告)号：US20150160509A1

公开(公告)日：2015-06-11

申请号：US14461617

申请日：2014-08-18

Applicant: Samsung Display Co., Ltd.

Inventor： Min-Woo Lee ,  Dae Ho Song ,  Woo Jae Lee

IPC: G02F1/1335 ,  G02F1/1341 ,  H01L27/12 ,  G02F1/1368

CPC classification number: G02F1/133528 ,  G02F1/133345 ,  G02F1/133377 ,  G02F1/133514 ,  G02F1/133711 ,  G02F1/1341 ,  G02F1/134336 ,  G02F1/136286 ,  G02F1/1368 ,  G02F2001/133531 ,  G02F2001/133742 ,  G02F2001/134345 ,  G02F2201/121 ,  G02F2201/123 ,  G02F2201/56 ,  G02F2202/28

Abstract: A liquid crystal display includes: a substrate including a plurality of pixel areas; a TFT disposed on the substrate; a pixel electrode connected with the TFT and disposed on the TFT; a common electrode positioned on the pixel electrode and separated from the pixel electrode by a microcavity; a roof layer disposed on the common electrode; an injection hole disposed in the common electrode and the roof layer along a long-axial direction of the substrate to expose a part of the microcavity; a liquid crystal layer filling the microcavity; a first polarizer having a polarization axis in a short-axial direction of the substrate on the roof layer; and a second polarizer having a polarization axis in a long-axial direction of the substrate below the substrate, in which heights of edges in the long-axial and short-axial directions of the substrate are larger than a height of the center of the substrate.

Abstract translation: 液晶显示器包括：包括多个像素区域的基板; 设置在所述基板上的TFT; 与TFT连接并设置在TFT上的像素电极; 位于像素电极上并通过微腔与像素电极分离的公共电极; 设置在公共电极上的屋顶层; 注入孔，沿着所述基板的长轴方向设置在所述公共电极和所述屋顶层中，以暴露所述微腔的一部分; 填充微腔的液晶层; 第一偏振器，其在屋顶层上的基板的短轴方向上具有偏振轴; 以及第二偏振器，其具有在基板的下方的基板的长轴方向的偏振轴，其中基板的长轴方向和短轴方向的边缘高度大于基板的中心高度 。

公开(公告)号：US12272768B2

公开(公告)日：2025-04-08

申请号：US17552152

申请日：2021-12-15

Applicant: Samsung Display Co., LTD.

Inventor： Jin Woo Choi ,  Sung Kook Park ,  Dae Ho Song ,  Tae Hee Lee ,  Hae Yun Choi

IPC: H01L33/38 ,  H01L27/15 ,  H01L33/00 ,  H01L33/10 ,  H01L33/32 ,  H01L33/50

Abstract: There is provided a display device comprising a substrate, a pixel electrode on the substrate, a light emitting element on the pixel electrode, and extending in a thickness direction of the substrate, a common electrode on the light emitting element, a wavelength conversion layer on the common electrode, including wavelength conversion particles for converting first light emitted from the light emitting element into second light, and a selective transmission film on an upper surface and on sides of the wavelength conversion layer, and configured to reflect the first light, and to transmit the second light.