公开(公告)号：US11916178B2

公开(公告)日：2024-02-27

申请号：US17297326

申请日：2019-08-23

Applicant: Samsung Display Co., LTD.

Inventor： Jin Oh Kwag ,  Dae Hyun Kim ,  Keun Kyu Song ,  Sung Chan Jo ,  Hyun Min Cho

IPC: H01L33/58 ,  H01L27/15 ,  H01L33/38 ,  H01L33/50

CPC classification number: H01L33/58 ,  H01L27/156 ,  H01L33/382 ,  H01L33/50

Abstract: A display device includes a first electrode and a second electrode that are spaced apart from and facing each other; a light-blocking layer disposed above the first electrode and the second electrode; and at least one light-emitting element disposed between the first electrode and the second electrode. The light-blocking layer includes a light-blocking portion absorbing light and an opening pattern. The light-blocking portion includes an area partially overlapping the first electrode and the second electrode. The at least one opening pattern exposes portions of the first and second electrodes facing each other and at least a portion of an area between the first and second electrodes facing each other. The at least one light-emitting element overlaps the at least one opening pattern.

公开(公告)号：US11894470B2

公开(公告)日：2024-02-06

申请号：US16991853

申请日：2020-08-12

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Ki June Lee ,  Jung Ha Son ,  Tae Sung Kim ,  Jae Ik Lim ,  Hyun Min Cho

IPC: H01L27/146 ,  H01L31/0216 ,  H01L27/144

CPC classification number: H01L31/02161 ,  H01L27/1443 ,  H01L27/14678 ,  H01L27/14612 ,  H01L27/14623 ,  H01L27/14625

Abstract: An optical sensor includes a substrate, a photoelectric element disposed on the substrate and that includes a first electrode, an intermediate layer disposed on the first electrode, and a second electrode disposed on the intermediate layer, a barrier layer disposed on the second electrode, an insulating layer that covers the photoelectric element and the barrier layer, and a bias electrode disposed on the insulating layer and electrically connected to the second electrode. The barrier layer is spaced apart from the first electrode.

公开(公告)号：US11869425B2

公开(公告)日：2024-01-09

申请号：US17434271

申请日：2019-12-30

Applicant: Samsung Display Co., LTD.

Inventor： Won Sik Oh ,  Hyun Min Cho ,  Sin Chul Kang ,  Dae Hyun Kim

IPC: G09G3/3233 ,  H01L25/16 ,  H01L27/12 ,  H01L33/62

CPC classification number: G09G3/3233 ,  H01L25/167 ,  H01L27/124 ,  H01L33/62 ,  G09G2300/0426 ,  G09G2300/0452 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2320/0233

Abstract: A display device may include a first power line; a second power line; a data line that transmits a data signal; a scan line that transmits a scan signal; and pixels electrically connected to the first power line, the second power line, the data line, and the scan line. Each of the pixels may include light emitting elements electrically connected between the first power line and the second power line; and a first transistor that provides driving current to the light emitting elements in response to the data signal.

公开(公告)号：US11682693B2

公开(公告)日：2023-06-20

申请号：US17316339

申请日：2021-05-10

Applicant: Samsung Display Co., Ltd.

Inventor： Dong Uk Kim ,  Hyun Min Cho ,  Keun Kyu Song ,  Dae Hyun Kim ,  Jung Hong Min ,  Seung A Lee ,  Hyung Rae Cha

IPC: H01L27/15 ,  H01L33/50 ,  H01L33/60

CPC classification number: H01L27/156 ,  H01L33/504 ,  H01L33/60 ,  H01L2933/0041 ,  H01L2933/0058

Abstract: A display device includes a first pixel and a second pixel; a light emitting layer; a color conversion layer on the light emitting layer; and a color filter layer on the color conversion layer, the light emitting layer including one or more light emitting elements in the first pixel and the second pixel, the color conversion layer including a first color conversion layer in the first pixel and a second color conversion layer in the second pixel. The color filter layer includes a first color filter layer in the first pixel and a second color filter layer in the second pixel, the light emitting elements capable of emitting a first light having a first wavelength, each of the first color conversion layer and the second color conversion layer including first color conversion particles and second color conversion particles.

公开(公告)号：US11594171B2

公开(公告)日：2023-02-28

申请号：US17277264

申请日：2019-07-08

Applicant: Samsung Display Co., Ltd.

Inventor： Sin Chul Kang ,  Won Sik Oh ,  Yo Han Lee ,  Hee Keun Lee ,  Hyun Min Cho

IPC: G09G3/32 ,  H01L25/075 ,  H01L33/00 ,  H01L33/62

Abstract: A method for manufacturing a display device including a substrate including a display area and a non-display area located outside the display area, the display area including pixel areas, is provided. First switching elements are formed in the pixel areas, respectively, and a circuit element layer that includes reference voltage wire in the non-display area and electrically connected to the first switching elements is formed. Pixel electrodes that include first pixel electrodes in the pixel areas on the circuit element layer, respectively, and electrically connected through the first switching elements to the reference voltage wire, and second pixel electrodes facing the first pixel electrodes, are formed. A plurality of light emitting elements are arranged between the first pixel electrodes and the second pixel electrodes. A first source voltage is applied to the reference voltage wire and a second source voltage is applied to the second pixel electrodes.

公开(公告)号：US11120739B2

公开(公告)日：2021-09-14

申请号：US17013516

申请日：2020-09-04

Applicant: Samsung Display Co., Ltd.

Inventor： Hyun Min Cho ,  Dae Hyun Kim ,  Sung Chul Kim ,  Hye Yong Chu ,  Keun Kyu Song

IPC: H01L33/38 ,  G09G3/3225 ,  H01L33/20 ,  G06F3/042 ,  H01L33/32 ,  G06F3/041 ,  H01L33/00

Abstract: A display device including a substrate and a plurality of pixels in a display region of the substrate. Each of the pixels includes first and second sub-pixels, and each of the first and second sub-pixels has a light emitting region for emitting light. The first sub-pixel includes a first light emitting element in the light emitting region and configured to emit visible light. The second sub-pixel includes a second light emitting element in the light emitting region and configured to emit infrared light and a light receiving element configured to receive the infrared light emitted from the second light emitting element to detect a user's touch. The second light emitting element and the light receiving element in the second sub-pixel are electrically insulated from and optically coupled to each other to form a photo-coupler.

公开(公告)号：US20210193885A1

公开(公告)日：2021-06-24

申请号：US17195428

申请日：2021-03-08

Applicant: Samsung Display Co., Ltd.

Inventor： Hyun Deok Im ,  Jong Hyuk Kang ,  Dae Hyun Kim ,  Joo Yeol Lee ,  Hyun Min Cho

IPC: H01L33/52 ,  H01L33/56 ,  H01L33/48 ,  H01L33/38 ,  H01L25/075 ,  H01L33/58

Abstract: A light emitting device includes: a base substrate; a plurality of unit regions provided on the base substrate; a barrier disposed at a boundary of the unit regions to surround each of the unit regions; a dam disposed in each of the unit regions to be spaced apart from the barrier; a first electrode provided in each of unit light emitting regions surrounded by the dam; a second electrode disposed in each of the unit light emitting regions, the second electrode of which at least one region is provided opposite to the first electrode; and one or more LEDs provided in each of the unit light emitting regions, the one or more LEDs being electrically connected between the first electrode and the second electrode.

公开(公告)号：US10944029B2

公开(公告)日：2021-03-09

申请号：US16805880

申请日：2020-03-02

Applicant: Samsung Display Co., Ltd.

Inventor： Hyun Deok Im ,  Jong Hyuk Kang ,  Dae Hyun Kim ,  Joo Yeol Lee ,  Hyun Min Cho

IPC: H01L33/52 ,  H01L33/38 ,  H01L33/48 ,  H01L33/56 ,  H01L33/58 ,  H01L25/075 ,  H01L25/16 ,  H01L27/12 ,  H01L33/20 ,  H01L33/32 ,  H01L33/54 ,  H01L33/62

Abstract: A light emitting device includes: a base substrate; a plurality of unit regions provided on the base substrate; a barrier disposed at a boundary of the unit regions to surround each of the unit regions; a dam disposed in each of the unit regions to be spaced apart from the barrier; a first electrode provided in each of unit light emitting regions surrounded by the dam; a second electrode disposed in each of the unit light emitting regions, the second electrode of which at least one region is provided opposite to the first electrode; and one or more LEDs provided in each of the unit light emitting regions, the one or more LEDs being electrically connected between the first electrode and the second electrode.

公开(公告)号：US10672799B2

公开(公告)日：2020-06-02

申请号：US15465154

申请日：2017-03-21

Applicant: Samsung Display Co. Ltd.

Inventor： Yu Gwang Jeong ,  Su Bin Bae ,  Hyun Min Cho ,  Sang Gab Kim

IPC: H01L51/50 ,  H01L29/786 ,  H01L27/12

Abstract: A display device may include a substrate, an active pattern layer, a gate insulating layer, a first metal pattern layer, an interlayer insulating layer, a second metal pattern layer, and a passivation film. The active pattern layer may be disposed on the substrate. The gate insulating layer may be disposed on the active pattern layer. The first metal pattern layer may be disposed on the gate insulating layer. The interlayer insulating layer may be disposed on the first metal pattern layer. The second metal pattern layer may be disposed on the interlayer insulating layer. The passivation film may be disposed on the side wall of the second metal pattern layer.

公开(公告)号：US20200043998A1

公开(公告)日：2020-02-06

申请号：US16374706

申请日：2019-04-03

Applicant: Samsung Display Co., Ltd.

Inventor： Dae Won Choi ,  Tae Wook Kang ,  Kyeong Su Ko ,  Sang Gab Kim ,  Tae Sung Kim ,  Joon Geol Lee ,  Hyun Min Cho

IPC: H01L27/32 ,  H01L51/52 ,  H01L51/50

Abstract: An organic light-emitting diode display device includes a pixel electrode, a pixel-defining layer, an organic emission layer, and a counter electrode. The pixel-defining layer includes an opening partially exposing the pixel electrode. The organic emission layer is disposed on the pixel electrode. The organic emission layer is disposed in the opening. The counter electrode is disposed on the organic emission layer. The counter electrode opposes the pixel electrode. The pixel-defining layer includes a first pixel-defining layer and a second pixel-defining layer. The first pixel-defining layer is disposed on the pixel electrode and includes an inorganic material. The second pixel-defining layer is disposed on the first pixel-defining layer and includes an organic material. A sidewall of the first pixel-defining layer that is closest to the opening is aligned with a sidewall of the second pixel-defining layer that is closest to the opening.