公开(公告)号：US11670233B2

公开(公告)日：2023-06-06

申请号：US17735204

申请日：2022-05-03

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Young-In Hwang ,  Sung Ho Kim ,  Yong Ho Yang ,  Seong Min Wang

IPC: G09G3/3233 ,  H01L51/00 ,  H01L27/32 ,  G09G3/3258 ,  H01L27/12 ,  H01L29/786

CPC classification number: G09G3/3233 ,  G09G3/3258 ,  H01L27/3262 ,  H01L27/3276 ,  H01L51/0097 ,  G09G2300/0819 ,  G09G2320/0257 ,  H01L27/124 ,  H01L27/1222 ,  H01L29/78648 ,  H01L29/78675 ,  H01L2251/5338

Abstract: An organic light emitting diode display includes a driving transistor and a compensation transistor. The driving transistor includes a first gate electrode disposed on a substrate, a polycrystalline semiconductor layer disposed on the first gate electrode of the driving transistor and including a first electrode, a second electrode, and a channel, and a second gate electrode disposed on the polycrystalline semiconductor layer of the driving transistor. The compensation transistor includes a polycrystalline semiconductor layer including a first electrode, a second electrode, and a channel, and a gate electrode disposed on the polycrystalline semiconductor layer of the compensation transistor.

公开(公告)号：US10942385B2

公开(公告)日：2021-03-09

申请号：US16203614

申请日：2018-11-29

Applicant: Samsung Display Co., Ltd.

Inventor： Seong Min Wang ,  Beohm Rock Choi ,  Yong Ho Yang

IPC: G09G5/00 ,  G02F1/1333 ,  G06K9/00 ,  H01L27/32 ,  H01L51/52

Abstract: A display device includes a display panel having a first side including a display area configured to emit light and a second side opposite the first side, an auxiliary layer disposed on the second side of the display area and including an opening, a sensor overlapping the opening, and an adhesive layer connected between the sensor and the auxiliary layer.

公开(公告)号：US12154505B2

公开(公告)日：2024-11-26

申请号：US18226355

申请日：2023-07-26

Applicant: Samsung Display Co., Ltd.

Inventor： Young-In Hwang ,  Sung Ho Kim ,  Eung Taek Kim ,  Yong Ho Yang ,  Seong Min Wang ,  Jung-Mi Choi

IPC: G09G3/3233 ,  G09G3/3258 ,  G09G3/3266 ,  G09G3/3291 ,  H10K59/131

Abstract: A pixel includes: an organic light emitting diode; a first transistor including a gate that is connected to a first node, wherein the first transistor is connected between a second node and a third node; a second transistor including a gate that is connected to a corresponding scan line, wherein the second transistor is connected between a data line and the second node; a storage capacitor connected between the first node and a first voltage; a third transistor including a gate that is connected to the corresponding scan line, the third transistor is connected between the first node and the third node; and a fourth transistor connected between a first end of the first transistor and a second voltage.

公开(公告)号：US11839117B2

公开(公告)日：2023-12-05

申请号：US17197449

申请日：2021-03-10

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Kohei Ebisuno ,  Yong Ho Yang ,  Jun Hee Lee ,  Nak Cho Choi

IPC: H10K59/126 ,  H10K50/86 ,  H10K59/121 ,  H10K59/124 ,  H10K59/131 ,  H10K102/00 ,  H01L27/12

CPC classification number: H10K59/126 ,  H10K50/86 ,  H10K59/121 ,  H10K59/124 ,  H10K59/1213 ,  H10K59/131 ,  H01L27/1214 ,  H10K2102/3026

Abstract: An organic light emitting diode display includes a substrate, a plurality of pixels disposed on the substrate, a plurality of transmissive windows spaced apart from the pixels, and a light blocking member disposed between one of the pixels and one of the transmissive windows. The pixels display an image, and light is transmitted through the transmissive windows. Each pixel includes a transistor including a plurality of electrode members disposed in different layers on the substrate. The light blocking member includes a plurality of light blocking sub-members respectively disposed in the same layers as the plurality of electrode members.

公开(公告)号：US11380746B2

公开(公告)日：2022-07-05

申请号：US17208571

申请日：2021-03-22

Applicant: Samsung Display Co., Ltd.

Inventor： Seong Min Wang ,  Young-In Hwang ,  Yong Ho Yang ,  Yong Su Lee ,  Jae Seob Lee ,  Gyoo Chul Jo

IPC: H01L27/32 ,  H01L51/52 ,  G09G3/3233 ,  G09G3/3258 ,  H01L51/00

Abstract: A display may include flexible substrate, a blocking layer on the flexible substrate, a pixel on the flexible substrate and the blocking layer, and a scan line, a data line, a driving voltage line, and an initialization voltage line connected to the pixel. The pixel may include an organic light emitting diode, a switching transistor connected to the scan line, and a driving transistor to apply a current to the organic light emitting diode. The blocking layer is in an area that overlaps the switching transistor on a plane, and between the switching transistor and the flexible substrate, and receives a voltage through a contact hole that exposes the blocking layer.

公开(公告)号：US11335260B2

公开(公告)日：2022-05-17

申请号：US17191782

申请日：2021-03-04

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Young-In Hwang ,  Sung Ho Kim ,  Yong Ho Yang ,  Seong Min Wang

IPC: G09G3/3233 ,  H01L51/00 ,  H01L27/32 ,  G09G3/3258 ,  H01L27/12 ,  H01L29/786

Abstract: An organic light emitting diode display includes a driving transistor and a compensation transistor. The driving transistor includes a first gate electrode disposed on a substrate, a polycrystalline semiconductor layer disposed on the first gate electrode of the driving transistor and including a first electrode, a second electrode, and a channel, and a second gate electrode disposed on the polycrystalline semiconductor layer of the driving transistor. The compensation transistor includes a polycrystalline semiconductor layer including a first electrode, a second electrode, and a channel, and a gate electrode disposed on the polycrystalline semiconductor layer of the compensation transistor.

公开(公告)号：US10885847B2

公开(公告)日：2021-01-05

申请号：US16269858

申请日：2019-02-07

Applicant: Samsung Display Co., Ltd.

Inventor： Seong Min Wang ,  Yong Ho Yang ,  Sung Ho Kim ,  Young-In Hwang

IPC: G09G3/32 ,  G09G3/3258 ,  G09G3/20 ,  H01L27/32 ,  H01L51/00

Abstract: An organic light emitting diode display includes a flexible substrate, a semiconductor layer on the flexible substrate, and an overlapping layer. The transistor includes a driving transistor, a second transistor to transmit a data voltage transmitted through the data line to an input electrode of the driving transistor, and a third transistor including a gate electrode connected to the scan line, a first electrode connected to an output electrode of the driving transistor, and a second electrode connected to a gate electrode of the driving transistor. The third transistor includes two transistors connected in series to each other and connected to each other at a third node, the third node is formed in the semiconductor layer, an additional capacitance portion is formed in the semiconductor layer in the vicinity of the third node, and the overlapping layer overlaps the third node and the capacitance portion of the semiconductor layer.

公开(公告)号：US10074710B2

公开(公告)日：2018-09-11

申请号：US15490661

申请日：2017-04-18

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Kohei Ebisuno ,  Ae Shin ,  Yong Ho Yang ,  Jun Hee Lee ,  Nak Cho Choi

IPC: H01L27/32

CPC classification number: H01L27/3272 ,  H01L27/3216 ,  H01L27/3246 ,  H01L27/326 ,  H01L27/3262 ,  H01L27/3265 ,  H01L27/3276

Abstract: An organic light emitting diode display includes a substrate, a plurality of pixels disposed on the substrate, and a plurality of transmitting windows configured to transmit light therethrough. The plurality of transmitting windows is spaced apart from the plurality of pixels. Each of the plurality of pixels includes a transistor and a capacitor. The transistor includes a light-blocking electrode disposed on the substrate and a plurality of electrode members disposed at different layers on the light-blocking electrode. The capacitor includes a first capacitor electrode disposed on a same layer as the light-blocking electrode, and a second capacitor electrode disposed on a same layer as a first one of the plurality of electrode members to overlap the first capacitor electrode.

公开(公告)号：US11423835B2

公开(公告)日：2022-08-23

申请号：US17157768

申请日：2021-01-25

Applicant: Samsung Display Co., Ltd.

Inventor： Young-In Hwang ,  Sung Ho Kim ,  Eung Taek Kim ,  Yong Ho Yang ,  Seong Min Wang ,  Jung-Mi Choi

IPC: G09G3/3233 ,  G09G3/3291 ,  G09G3/3266 ,  H01L27/32 ,  G09G3/3258

Abstract: A pixel includes: an organic light emitting diode; a first transistor including a gate that is connected to a first node, wherein the first transistor is connected between a second node and a third node; a second transistor including a gate that is connected to a corresponding scan line, wherein the second transistor is connected between a data line and the second node; a storage capacitor connected between the first node and a first voltage; a third transistor including a gate that is connected to the corresponding scan line, the third transistor is connected between the first node and the third node; and a fourth transistor connected between a first end of the first transistor and a second voltage.

公开(公告)号：US10985227B2

公开(公告)日：2021-04-20

申请号：US16251639

申请日：2019-01-18

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Seong Min Wang ,  Young-In Hwang ,  Yong Ho Yang ,  Yong Su Lee ,  Jae Seob Lee ,  Gyoo Chul Jo

IPC: H01L27/32 ,  G09G3/3233 ,  H01L51/52 ,  G09G3/3258 ,  H01L51/00

Abstract: A display may include flexible substrate, a blocking layer on the flexible substrate, a pixel on the flexible substrate and the blocking layer, and a scan line, a data line, a driving voltage line, and an initialization voltage line connected to the pixel. The pixel may include an organic light emitting diode, a switching transistor connected to the scan line, and a driving transistor to apply a current to the organic light emitting diode. The blocking layer is in an area that overlaps the switching transistor on a plane, and between the switching transistor and the flexible substrate, and receives a voltage through a contact hole that exposes the blocking layer.