公开(公告)号：US20220085137A1

公开(公告)日：2022-03-17

申请号：US17532732

申请日：2021-11-22

Applicant: Samsung Display Co., LTD.

Inventor： Jun Hyun PARK ,  Kang Moon JO ,  Dong Woo KIM

IPC: H01L27/32

Abstract: A display device includes: a substrate; a first conductive layer including a lower pattern disposed on the substrate; an active layer including a first active pattern disposed on the first conductive layer; and a second conductive layer including a first gate electrode disposed on the active layer, wherein the first gate electrode overlaps a first channel region included in the first active pattern, the lower pattern overlaps the first active pattern, and the first active pattern does not cross an edge of the lower pattern.

公开(公告)号：US20210327341A1

公开(公告)日：2021-10-21

申请号：US17148369

申请日：2021-01-13

Applicant: Samsung Display Co., Ltd.

Inventor： Dong Woo KIM ,  Min Kyu WOO

IPC: G09G3/32 ,  H01L27/12 ,  H01L29/786

Abstract: A display device including: a first power line; a second power line; a data line; a first scan line; a second scan line; a light emitting element connected between the first power line and a first node; a first transistor connected between the first node and the second power line and including a gate electrode connected to a second node; a second transistor connected between the data line and the second node and including a gate electrode connected to the first scan line; and a fourth transistor connected between the first power line and the first node and including a gate electrode connected to the second scan line.

公开(公告)号：US20210264856A1

公开(公告)日：2021-08-26

申请号：US17318564

申请日：2021-05-12

Applicant: Samsung Display Co., Ltd.

Inventor： Chong Chul CHAI ,  Dong Woo KIM ,  Kyoung Ju SHIN ,  Bo Yong CHUNG

IPC: G09G3/3233 ,  G09G3/3266 ,  G09G3/3275 ,  G09G3/3258

Abstract: A pixel includes a plurality of transistors, a storage capacitor, and an organic light emitting diode. A first transistor controls the amount of current from a first driving power source to the organic light emitting diode based on a data voltage. A second transistor is connected to a data line and is turned on based on a scan signal. A third transistor coupled to the first transistor and is turned on based on the scan signal. A first stabilizing transistor is coupled to the third transistor or between the first and third transistors and is turned off when the third transistor is turned off.

公开(公告)号：US20210043717A1

公开(公告)日：2021-02-11

申请号：US16925186

申请日：2020-07-09

Applicant: Samsung Display Co., LTD.

Inventor： Jun Hyun PARK ,  Dong Woo KIM ,  Sung Jae MOON ,  Kang Moon JO

IPC: H01L27/32

Abstract: An organic light emitting diode display includes a clock wiring circuit including a first signal line and a second signal line, a resistance adjusting circuit including a first lower resistance line and a first upper resistance line connected to the first signal line and a second lower resistance line and a second upper resistance line connected to the second signal line, and a gate driving circuit connected to the resistance adjusting circuit. The second signal line is disposed closer to the gate driving circuit than the first signal line, the first lower resistance line and the second lower resistance line have higher resistivity than the first upper resistance line and the second upper resistance line, respectively, the first lower resistance line is shorter than the second lower resistance line, and the first upper resistance line is longer than the second upper resistance line.

公开(公告)号：US20200381507A1

公开(公告)日：2020-12-03

申请号：US16869673

申请日：2020-05-08

Applicant: Samsung Display Co., Ltd.

Inventor： Jun Hyun PARK ,  Dong Woo KIM ,  Sung Jae MOON ,  Kang Moon JO

IPC: H01L27/32 ,  H01L49/02

Abstract: The present disclosure relates to a display device, and the display device according to an exemplary embodiment of the present inventive concept includes: a first pixel circuit portion including at least one transistor; a second pixel circuit portion including at least one transistor; a first pixel electrode electrically connected to the first pixel circuit portion; a second pixel electrode electrically connected to the second pixel circuit portion; a first data line electrically connected to the first pixel circuit portion; and a second data line electrically connected to the second pixel circuit portion, wherein the first data line and the second data line are arranged adjacent to each other along a first direction, and the second pixel electrode overlaps the first data line and the second data line in a plan view.

公开(公告)号：US20200266260A1

公开(公告)日：2020-08-20

申请号：US16782899

申请日：2020-02-05

Applicant: Samsung Display Co., LTD.

Inventor： Jun Hyun PARK ,  Kang Moon JO ,  Dong Woo KIM

IPC: H01L27/32 ,  H01L27/12

Abstract: A display device includes: a substrate; a first conductive layer including a lower pattern disposed on the substrate; an active layer including a first active pattern disposed on the first conductive layer; and a second conductive layer including a first gate electrode disposed on the active layer, wherein the first gate electrode overlaps a first channel region included in the first active pattern, the lower pattern overlaps the first active pattern, and the first active pattern does not cross an edge of the lower pattern.

公开(公告)号：US20200219962A1

公开(公告)日：2020-07-09

申请号：US16735990

申请日：2020-01-07

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jun Hyun PARK ,  Dong Woo KIM ,  Sung Jae MOON ,  Kang Moon JO

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

Abstract: An organic light emitting diode display according to exemplary embodiments includes: a data wire including a data line disposed in a display area and a first data line disposed in a peripheral area; a driving voltage wire including a driving voltage line disposed in the display area and a first driving voltage line disposed in the peripheral area and extending in a first direction; and a driving low voltage wire including a cathode covering the display area and formed to the peripheral area and a first driving low voltage connection portion connected to the cathode and disposed in the peripheral area, wherein the first driving low voltage connection portion includes a first portion and a second portion having a different width than the first portion.

公开(公告)号：US20200184898A1

公开(公告)日：2020-06-11

申请号：US16707994

申请日：2019-12-09

Applicant: Samsung Display Co., Ltd.

Inventor： Yang Hwa CHOI ,  Jun Hyun PARK ,  Dong Woo KIM ,  Kang Moon JO ,  Sung Jae MOON ,  An Su LEE ,  Woong Sik CHOI

IPC: G09G3/3266 ,  G09G3/3258 ,  G09G3/3275

Abstract: A stage of a scan driver includes: a first driving controller for controlling a voltage of a first node and a voltage of a second node; a second driving controller for controlling a voltage of a first driving node, based on a sensing-on signal, a next carry signal, a first control clock signal, a second control clock signal, the voltage of the first node, and a voltage of a sampling node, and controlling a voltage of a second driving node, based on the voltage of the sampling node and the voltage of the first driving node; an output buffer for outputting a carry signal, the first scan signal, and the second scan signal; and a coupling controller. The second driving controller maintains the voltage of the first driving node as a gate-off voltage in response to the voltage of the second driving node and a third control clock signal.

公开(公告)号：US20160202540A1

公开(公告)日：2016-07-14

申请号：US14737270

申请日：2015-06-11

Applicant: Samsung Display Co., Ltd.

Inventor： Hee Keun LEE ,  Dong Woo KIM ,  Dong Youb OH

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

CPC classification number: G02F1/133377 ,  G02F1/1341

Abstract: A display device that can simplify the manufacturing process thereof is provided. The display device includes: a substrate; a thin film transistor disposed on the substrate; a pixel electrode connected to the thin film transistor; a roof layer formed above the pixel electrode in such a manner so as to be spaced apart from the pixel electrode with a microcavity interposed therebetween; a liquid crystal layer disposed in the microcavity; and an encapsulation layer disposed on the roof layer and sealing the microcavity, wherein the roof layer has an L-shape.

Abstract translation: 提供了一种可以简化其制造过程的显示装置。 显示装置包括：基板; 设置在所述基板上的薄膜晶体管; 连接到薄膜晶体管的像素电极; 形成在所述像素电极上方的屋顶层，以便与所述像素电极间隔开一个微腔; 设置在微腔中的液晶层; 以及设置在屋顶层上并密封微腔的封装层，其中屋顶层具有L形形状。

公开(公告)号：US20240304146A1

公开(公告)日：2024-09-12

申请号：US18590704

申请日：2024-02-28

Applicant: Samsung Display Co., LTD.

Inventor： Won Jun LEE ,  Yeon Kyung KIM ,  Kwi Hyun KIM ,  Dong Woo KIM

IPC: G09G3/3233

CPC classification number: G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2320/0233

Abstract: The present disclosure relates to a display device, and more particularly, to a display device capable of improving image quality and a method for driving the same. The display device includes a data line; a driving transistor connected to the data line through a first node; a pixel electrode connected to the driving transistor; and an initialization transistor connected between the data line and the pixel electrode, wherein one of a source electrode or a drain electrode of the initialization transistor is directly connected to the data line, and an other one of the source electrode or the drain electrode of the initialization transistor is directly connected to the pixel electrode.