公开(公告)号：US20200219960A1

公开(公告)日：2020-07-09

申请号：US16717171

申请日：2019-12-17

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Junhyun Park ,  Dongwoo Kim ,  Sungjae Moon ,  Kangmoon Jo

IPC: H01L27/32 ,  H01L51/52

Abstract: A display apparatus includes a base substrate that includes a display area in which pixels are formed and a peripheral area that is a non-display area that surrounds the display area, a first conductive pattern layer disposed on the base substrate, a first insulating layer disposed on the first conductive pattern layer, a second conductive pattern layer disposed on the first insulating layer, a second insulating layer disposed on the second conductive pattern layer, and a third conductive pattern layer disposed on the second insulating layer. The peripheral area includes a first wiring area and a circuit area.

公开(公告)号：US20200073040A1

公开(公告)日：2020-03-05

申请号：US16542365

申请日：2019-08-16

Applicant: Samsung Display Co., Ltd.

Inventor： Seongyeon LEE ,  Taewoo Lim ,  Dongwoo Kim ,  Minsu Kim ,  Cheonjae Maeng ,  Keunwoo Park ,  Hongbeom Lee

IPC: F21V8/00

Abstract: A light source member including a guide panel, a light source disposed adjacent to at least one side of the guide panel, a low refractive layer disposed on the guide panel, and a color converting layer disposed on the low refractive layer and including a base resin and a quantum dot dispersed in the base resin, in which the low refractive layer includes a matrix part, a plurality of low refractive substances dispersed in the matrix part, and a void disposed in the matrix part, and an area occupied by the void is less than about 20% of an entire area of the low refractive layer.

公开(公告)号：US10482817B2

公开(公告)日：2019-11-19

申请号：US15798812

申请日：2017-10-31

Applicant: Samsung Display Co., Ltd.

Inventor： Keunwoo Kim ,  Sooyoung Park ,  Joonghyun Park ,  Dongwoo Kim ,  Kyoung-Ju Shin

IPC: G09G3/36 ,  G09G3/3233 ,  G09G3/3283 ,  H05B33/08

Abstract: A display device includes pixels configured to emit light of various intensity in accordance with driving signals, data lines, scan lines, and a power supply unit configured to supply at least one driving voltage to the pixels. At least one of the pixels may comprise a switching transistor having a first electrode connected to one of the data lines and a second electrode connected to a first node, and a gate electrode connected to one of the scan lines, a driving transistor connected between the power supply unit and an organic light emitting diode, a storage capacitor having a first terminal connected to the first node and a second terminal connected to a gate electrode of the driving transistor, and a first transistor connected between the first node and a first electrode of the driving transistor.

公开(公告)号：US09786243B2

公开(公告)日：2017-10-10

申请号：US14936434

申请日：2015-11-09

Applicant: Samsung Display Co., Ltd.

Inventor： Sehyoung Cho ,  Kyung-hoon Kim ,  Dongwoo Kim ,  Ilgon Kim ,  Kangmoon Jo

IPC: H03K17/687 ,  G09G3/36

CPC classification number: G09G3/3677 ,  G09G3/3614 ,  G09G3/3696 ,  G09G2310/0251 ,  G09G2310/08

Abstract: A gate driving circuit includes a plurality of stages for providing gate signals, wherein a k-th stage (k is a natural number greater than 3) includes a first output transistor including a control electrode connected to a first node, an input electrode for receiving a clock signal, and an output electrode for outputting a k-th gate signal, a second output transistor including a control electrode connected to the first node, an input electrode for receiving the clock signal, and an output electrode for outputting a k-th carry signal, a pull-down unit connected to a discharge node to pull down the output electrode of the first output transistor in response to a signal of the discharge node, and a discharge unit configured to output a (k−1)-th carry signal output from a (k−1)-th stage to the discharge node in response to a (k+1)-th carry signal output from a (k+1)-th stage.

公开(公告)号：US09734785B2

公开(公告)日：2017-08-15

申请号：US14821329

申请日：2015-08-07

Applicant: Samsung Display Co., LTD.

Inventor： Sehyoung Cho ,  Kyung-hoon Kim ,  Dongwoo Kim ,  Ilgon Kim ,  Meehye Jung ,  Kangmoon Jo

IPC: G09G3/36 ,  G09G3/3266 ,  H03K17/56

CPC classification number: G09G3/3677 ,  G09G3/3266 ,  G09G2300/0413 ,  G09G2300/0426 ,  G09G2310/0267 ,  G09G2310/0286 ,  G09G2330/08 ,  H03K17/56

Abstract: Provided is a gate driving unit including: a plurality of stages configured to be activated sequentially so as to generate gate signals; and a plurality of repair blocks having sizes smaller than the corresponding stages and configured to repair defects of the stages. Each of the repair blocks is disposed proximate to two or more stages so as to be configured to repair defects in the two or more stages.

公开(公告)号：US12274146B2

公开(公告)日：2025-04-08

申请号：US17405266

申请日：2021-08-18

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Kangmoon Jo ,  Dongwoo Kim ,  Youngmin Kim ,  Sungjae Moon ,  Kisoo Park ,  Junhyun Park ,  Ansu Lee

IPC: H10K59/38 ,  H10K50/844 ,  H10K50/86 ,  H10K59/121 ,  H10K59/124 ,  H10K59/35 ,  H10K59/50 ,  H10K59/80 ,  H10K71/00

Abstract: An organic light-emitting display apparatus includes a display layer including a first non-light-emitting area in which a pixel-defining layer surrounding a light-emitting area is arranged, and a second non-light-emitting area further including a spacer on the pixel-defining layer; a light shield layer including a first black matrix and a second matrix covering the first non-light-emitting area and the second non-light-emitting area, respectively, and having different dielectric constants; and a touchscreen electrode including a touch electrode on a position corresponding to the first black matrix and the second matrix.

公开(公告)号：US12112704B2

公开(公告)日：2024-10-08

申请号：US18501031

申请日：2023-11-03

Applicant: Samsung Display Co., Ltd.

Inventor： Yeonkyung Kim ,  Kwihyun Kim ,  Dongwoo Kim

IPC: G09G3/3233

CPC classification number: G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2310/08 ,  G09G2320/045 ,  G09G2330/021

Abstract: A pixel circuit is disclosed that includes first through sixth transistors, first and second capacitors, and a light emitting element. A gate electrode of the second transistor receives a first gate signal. A gate electrode of the third transistor receive a second gate signal. Gate electrodes of each of the fourth and fifth transistors receive a third gate signal. A gate electrode of the sixth transistor receives an emission signal. First electrodes of the first transistor and the first capacitor each receive a first power supply voltage. A cathode electrode of the light emitting element receives a second power supply voltage. A first electrode of the fourth transistor receives an initialization voltage.

公开(公告)号：US11749198B2

公开(公告)日：2023-09-05

申请号：US18045761

申请日：2022-10-11

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Dongwoo Kim ,  Sunghwan Kim ,  Kyoungju Shin ,  Cheol-Gon Lee ,  Sang-Uk Lim

IPC: G09G3/3233 ,  G09G3/3266 ,  G09G3/3283 ,  H01L27/12 ,  G01N11/02 ,  G01N27/416 ,  G01N33/18 ,  H10K59/131 ,  H10K59/121 ,  H01L29/786

CPC classification number: G09G3/3233 ,  G01N11/02 ,  G01N27/4161 ,  G01N27/4166 ,  G01N33/18 ,  G09G3/3266 ,  G09G3/3283 ,  H01L27/1222 ,  H10K59/1216 ,  H10K59/131 ,  G09G2300/0426 ,  G09G2300/0819 ,  G09G2300/0823 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2320/0214 ,  G09G2320/0219 ,  G09G2320/0238 ,  H01L27/124 ,  H01L27/1225 ,  H01L27/1255 ,  H01L29/7869 ,  H01L29/78675 ,  H10K59/1213

Abstract: An organic light emitting display device includes a plurality of pixels. Each of the pixels includes an organic light emitting diode, first to third transistors, a storage capacitor, and a first capacitor. The second transistor includes a gate electrode receiving a first scan signal, a first electrode receiving a data signal, and a second electrode connected to a first electrode of the first transistor. The third transistor includes a gate electrode receiving a second scan signal, a first electrode connected to a second electrode of the first transistor, and a second electrode connected to a gate electrode of the first transistor. The storage capacitor includes a first electrode receiving a power voltage and a second electrode connected to the gate electrode of the first transistor. The first capacitor includes a first electrode connected to the gate electrode of the third transistor and a second electrode receiving the power voltage.

公开(公告)号：US20220101792A1

公开(公告)日：2022-03-31

申请号：US17547560

申请日：2021-12-10

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Junhyun Park ,  Dongwoo Kim ,  Sungjae Moon ,  Kangmoon Jo

IPC: G09G3/3233 ,  G09G3/3275 ,  G09G3/3266 ,  G09G3/20 ,  G09G3/36

Abstract: A display apparatus includes a first transistor including a semiconductor layer, a first electrode and a second electrode, the first electrode and the second electrode respectively electrically connected to a source area and a drain area of the semiconductor layer, and a first gate electrode and a second gate electrode corresponding to a channel area of the semiconductor layer and facing each other, and a capacitor including a first capacitor electrode, a second capacitor electrode above the first capacitor electrode, and a third capacitor electrode below the first capacitor electrode.

公开(公告)号：US11227545B2

公开(公告)日：2022-01-18

申请号：US16589718

申请日：2019-10-01

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Junhyun Park ,  Dongwoo Kim ,  Sungjae Moon ,  Kangmoon Jo

IPC: G06F3/038 ,  G09G3/3233 ,  G09G3/3275 ,  G09G3/3266 ,  G09G3/20 ,  G09G3/36

Abstract: A display apparatus includes a first transistor including a semiconductor layer, a first electrode and a second electrode, the first electrode and the second electrode respectively electrically connected to a source area and a drain area of the semiconductor layer, and a first gate electrode and a second gate electrode corresponding to a channel area of the semiconductor layer and facing each other, and a capacitor including a first capacitor electrode, a second capacitor electrode above the first capacitor electrode, and a third capacitor electrode below the first capacitor electrode.