公开(公告)号：US10276123B2

公开(公告)日：2019-04-30

申请号：US15051621

申请日：2016-02-23

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Junhyun Park ,  Sunghwan Kim ,  Seyoung Song ,  Kyoungju Shin

IPC: G09G5/00 ,  G09G3/36

Abstract: A display apparatus includes: a display panel including pixels respectively connected to gate lines and data lines; a data driving circuit to output a data output signal in response to a data signal; a demultiplexer circuit to provide first and second data lines from among the data lines with the data output signal, in response to control signals; and a driving controller to provide the data signal and the control signals. The demultiplexer circuit includes: a switching transistor including a first electrode to receive the data output signal, a second electrode connected to the first data line, and a gate electrode connected to a first node; and a switching control circuit to charge the first node to turn on the switching transistor during a first interval of a first horizontal period, and to discharge the first node during a second interval of the first horizontal period.

公开(公告)号：US20180061922A1

公开(公告)日：2018-03-01

申请号：US15689050

申请日：2017-08-29

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Sunghwan Kim ,  Junhyun Park ,  Kyoungju Shin ,  Ansu Lee ,  Byunggeun Jun ,  Chongchul Chai

IPC: H01L27/32 ,  H01L27/12 ,  H01L29/786 ,  H01L51/56

CPC classification number: H01L27/3262 ,  H01L27/1251 ,  H01L27/1255 ,  H01L27/3265 ,  H01L29/7869 ,  H01L51/56 ,  H01L2227/323

Abstract: An organic light emitting device includes an organic light emitting diode including an anode and a cathode, a driving transistor including a first semiconductor layer, wherein the driving transistor is electrically connected to the anode of the organic light emitting diode, and a control transistor including a second semiconductor layer including a different material from the first semiconductor layer and configured to control the driving transistor. The first semiconductor layer includes a first channel part, and first and second contact parts, and the second semiconductor layer includes a second channel part, and third and fourth contact parts. One of the first and second contact parts directly contacts one of the third and fourth contact parts.

公开(公告)号：US20160380064A1

公开(公告)日：2016-12-29

申请号：US14989923

申请日：2016-01-07

Applicant: Samsung Display Co., Ltd.

Inventor： Junhyun Park ,  Sunghwan Kim ,  Seyoung Song ,  Kyoungju Shin

IPC: H01L29/417 ,  H01L29/786 ,  H01L29/10 ,  H01L27/12

CPC classification number: H01L29/41733 ,  H01L27/124 ,  H01L29/1033 ,  H01L29/78618 ,  H01L29/78669 ,  H01L29/78678 ,  H01L29/7869

Abstract: A thin film transistor substrate includes: a substrate; and a thin film transistor including a gate electrode on the substrate, an active layer on the gate electrode, and a source electrode and a drain electrode on the active layer. Within the thin film transistor, at least one of the source electrode and the drain electrode defines a plurality of branch electrodes thereof and a main electrode to which the plurality of branch electrodes is commonly connected. Each of the plurality of branch electrodes overlaps the gate electrode.

Abstract translation: 薄膜晶体管衬底包括：衬底; 以及薄膜晶体管，其在基板上包括栅电极，栅电极上的有源层以及有源层上的源电极和漏电极。 在薄膜晶体管内，源电极和漏电极中的至少一个限定了多个分支电极和多个分支电极共同连接的主电极。 多个分支电极中的每一个与栅电极重叠。

公开(公告)号：US20130271687A1

公开(公告)日：2013-10-17

申请号：US13782823

申请日：2013-03-01

Applicant: KOOMIN UNIVERSITY INDUSTRY ACADEMY COOPERATION FOUNDATION ,  SAMSUNG DISPLAY CO., LTD.

Inventor： Jihun Lim ,  Byung Du Ahn ,  Gun Hee Kim ,  Junhyun Park ,  Jehun Lee ,  Jaewoo Park ,  Dae Hwan Kim ,  Hyunkwang Jung ,  Jaehyeong Kim

IPC: G02F1/1368 ,  H01L29/786

CPC classification number: G02F1/1368 ,  G02F1/1362 ,  G02F1/136286 ,  H01L29/41725 ,  H01L29/41733 ,  H01L29/41783 ,  H01L29/7869 ,  H01L51/105

Abstract: A thin film transistor includes a gate electrode, a first insulating layer disposed to cover the gate electrode, a semiconductor layer disposed on the first insulating layer that includes a first side surface portion, a source electrode disposed on the semiconductor layer, and a drain electrode disposed on the first insulating layer that includes a second side surface portion. The first side surface portion makes contact with the second side surface portion.

Abstract translation: 薄膜晶体管包括栅电极，设置为覆盖栅电极的第一绝缘层，设置在第一绝缘层上的半导体层，其包括第一侧表面部分，设置在半导体层上的源电极和漏电极 设置在包括第二侧表面部分的第一绝缘层上。 第一侧面部与第二侧面部接触。

公开(公告)号：US20240324376A1

公开(公告)日：2024-09-26

申请号：US18614528

申请日：2024-03-22

Applicant: Samsung Display Co., Ltd.

Inventor： Junhyun Park

IPC: H10K59/131 ,  H10K59/121

CPC classification number: H10K59/1315 ,  H10K59/1213 ,  H10K59/1216

Abstract: A display panel includes: a substrate including: a transmission area; and a display area; a first pixel circuit at the display area; a second pixel circuit at a same row as that of the first pixel circuit, and spaced from the first pixel circuit in a first direction with the transmission area therebetween; a first horizontal conductive line spaced from the transmission area in a second direction; a second horizontal conductive line including: a first portion overlapping the first pixel circuit; and a second portion spaced from the first portion with the transmission area therebetween, and overlapping the second pixel circuit; a first vertical conductive line overlapping the first pixel circuit, and electrically connected to the first horizontal conductive line and the first portion; and a second vertical conductive line overlapping the second pixel circuit, and electrically connected to the first horizontal conductive line and the second portion.

公开(公告)号：US20240321202A1

公开(公告)日：2024-09-26

申请号：US18503216

申请日：2023-11-07

Applicant: Samsung Display Co., Ltd.

Inventor： Junhyun Park

IPC: G09G3/3233

CPC classification number: G09G3/3233 ,  G09G2300/0426 ,  G09G2300/0852 ,  G09G2300/0861

Abstract: A display device including a plurality of pixels that includes a first pixel and a second pixel that are disposed adjacent to each other in a same row. The first pixel and the second pixel share a same emission control transistor. The emission control transistor is electrically connected to a voltage line and to a common node. The common node is electrically connected to first terminals of driving transistors of both the first pixel and the second pixel.

公开(公告)号：US12035607B2

公开(公告)日：2024-07-09

申请号：US18313198

申请日：2023-05-05

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Junhyun Park ,  Sunkwang Kim ,  Kangmoon Jo

IPC: H10K59/88 ,  H10K50/844 ,  H10K59/122 ,  H10K77/10

CPC classification number: H10K59/88 ,  H10K50/844 ,  H10K59/122 ,  H10K77/10

Abstract: A display device includes a substrate, a first insulating layer disposed on the substrate, a through portion passing through the substrate and the first insulating layer, a display unit disposed on the first insulating layer and including a plurality of pixels surrounding at least a portion of the through portion, and a dummy pixel unit. Each pixel includes a light-emitting element including a pixel electrode and an opposite electrode facing each other, and an emission layer disposed between the pixel electrode and the opposite electrode. The dummy pixel unit includes a plurality of dummy pixels disposed between the through portion and the display unit, and including a metal pattern including a same material as the pixel electrode. The dummy pixels are disposed adjacent to the display unit.

公开(公告)号：US12027110B2

公开(公告)日：2024-07-02

申请号：US18363556

申请日：2023-08-01

Applicant: Samsung Display Co., LTD.

Inventor： Junhyun Park ,  Jangmi Kang ,  Hyeongseok Kim ,  Minjae Jeong ,  Mukyung Jeon

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2300/0842 ,  G09G2310/0267 ,  G09G2310/0275 ,  G09G2320/0247

Abstract: A display apparatus includes a display panel including a pixel, a gate driver providing a gate signal to the pixel, a data driver providing a data voltage to the pixel and an emission driver providing an emission signal to the pixel. The pixel includes a driving switching element applying a driving current to the light emitting element, a storage capacitor connected to the driving switching element, a bias capacitor connected to the storage capacitor and receiving a bias gate signal, a threshold voltage compensation switching element connected to an electrode of the driving switching element and a light emitting element initialization switching element connected to an electrode of the light emitting element. A control signal applied to an electrode of the threshold voltage compensation switching element and a control signal applied to an electrode of the light emitting element initialization switching element are generated from different signal generators.

公开(公告)号：US20240215363A1

公开(公告)日：2024-06-27

申请号：US18467582

申请日：2023-09-14

Applicant: Samsung Display Co., Ltd.

Inventor： Sunhwa Lee ,  Heejean Park ,  Hyeongseok Kim ,  Junhyun Park

IPC: H10K59/131 ,  H10K59/121

CPC classification number: H10K59/1315 ,  H10K59/1213 ,  H10K59/1216

Abstract: A display apparatus includes a display area configured to display an image using a pixel, and a peripheral area at least partially surrounding the display area, a pad portion in the peripheral area, and including pads, a first power voltage line between the display area and the pad portion in plan view, and including first power patterns spaced apart from each other, and a fan-out wire portion connected between the pad portion and the display area, and overlapping at least a portion of the first power patterns, wherein the fan-out wire portion includes a first fan-out wire, a second fan-out wire, and a third fan-out wire, the second fan-out wire being at a different layer from the first fan-out wire, and the third fan-out wire being at a different layer from the first fan-out wire and from the second fan-out wire.

公开(公告)号：US11727864B2

公开(公告)日：2023-08-15

申请号：US17748521

申请日：2022-05-19

Applicant: Samsung Display Co., Ltd.

Inventor： Jangmi Kang ,  Junhyun Park ,  Minjae Jeong ,  Hyeongseok Kim

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2300/0842 ,  G09G2310/027

Abstract: A pixel circuit includes a light emitting element, a write transistor configured to apply a data voltage to an input node in response to a write gate signal, a storage capacitor configured to store the data voltage, a driving transistor configured to apply a driving current to the light emitting element based on the data voltage, a first compensation transistor configured to compensate for a threshold voltage of the driving transistor in response to a compensation gate signal, a first initialization transistor configured to apply a first initialization voltage to a control electrode of the driving transistor in response to an initialization gate signal, and a boost capacitor including a first electrode to which a previous initialization gate signal applied to a previous pixel row is applied and a second electrode connected to the control electrode of the driving transistor.