公开(公告)号：US20230050455A1

公开(公告)日：2023-02-16

申请号：US17682561

申请日：2022-02-28

Applicant: Samsung Display Co., Ltd.

Inventor： Chang Woo SHIM ,  Ju Yeon KIM ,  Won Sang PARK ,  Gi Na YOO ,  Seong Jun LEE

IPC: H01L27/32 ,  H01L51/52

Abstract: Provided is a display device comprising a first substrate, a thin film transistor layer disposed on the first substrate and including a plurality of thin film transistors, a pixel defining layer disposed on the thin film transistor layer and defining a plurality of emission areas, a pixel electrode disposed in each of the emission areas on the thin film transistor layer, a plurality of spacers disposed on the pixel defining layer and distinguished from the pixel defining layer and the pixel electrode with respect to light of a specific wavelength, a touch electrode disposed on the plurality of spacers and configured to receive an input from an outside, and a code pattern having position information determined by a planar shape of each of the plurality of spacers.

公开(公告)号：US20210335954A1

公开(公告)日：2021-10-28

申请号：US17106230

申请日：2020-11-30

Applicant: Samsung Display Co., Ltd.

Inventor： Se Wan SON ,  Moo Soon KO ,  Jin Sung AN ,  Jin Seok OH ,  Min Woo WOO ,  Seong Jun LEE ,  Wang Woo LEE ,  Ji Seon LEE

IPC: H01L27/32

Abstract: Provided is a display device. The display device comprises a first active layer disposed on a substrate and made of a first material, a second active layer disposed on the first active layer and made of a second material different from the first material, a first gate layer disposed on the second active layer, and an inorganic pattern disposed below the second active layer and overlapping a portion of the first gate layer. The second active layer includes a conductor portion disposed between a portion of the first gate layer and the inorganic pattern.

公开(公告)号：US20200235176A1

公开(公告)日：2020-07-23

申请号：US16843236

申请日：2020-04-08

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Ji Seon LEE ,  Moo Soon KO ,  Se Wan SON ,  Jin Sung AN ,  Seong Jun LEE ,  Wang Woo LEE

IPC: H01L27/32

Abstract: A display device includes: a substrate that includes a first area and a second area; a plurality of pixels included in the first area; and a dummy pattern included in the second area, wherein a size of the dummy pattern is smaller than a pixel area corresponding to a first pixel among the plurality of pixels, a ratio of an area occupied by a pixel pattern of the first pixel with respect to the pixel area is a first value, a ratio of an area occupied by the dummy pattern with respect to a dummy area is a second value that is greater than the first value, and the dummy area and the pixel area have the same size as each other.

公开(公告)号：US20200058723A1

公开(公告)日：2020-02-20

申请号：US16367589

申请日：2019-03-28

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Wang Woo LEE ,  Moo Soon KO ,  Hyeon Sik KIM ,  Young Woo PARK ,  Se Wan SON ,  Jin Sung AN ,  Min Woo WOO ,  Seong Jun LEE ,  Jeong Soo LEE ,  Ji Seon LEE ,  Deuk Myung JI

IPC: H01L27/32

Abstract: A display device includes a substrate, a semiconductor layer on the substrate, a first insulating layer on the semiconductor layer, a first conductive layer on the semiconductor layer, a second insulating layer on the first conductive layer, a first contact hole penetrating the first insulating layer and the second insulating layer, a second conductive layer on the second insulating layer, connected to the semiconductor layer through the first contact hole, and including a hydrogen barrier material, and a third insulating layer on the second conductive layer.

公开(公告)号：US20180341357A1

公开(公告)日：2018-11-29

申请号：US15983427

申请日：2018-05-18

Applicant: Samsung Display Co., Ltd.

Inventor： Se Wan SON ,  Moo Soon KO ,  Jung Hwa KIM ,  Jin Sung AN ,  Seong Jun LEE ,  Wang Woo LEE ,  Ji Seon LEE

IPC: G06F3/041 ,  G06F3/044 ,  G06F3/047 ,  G09G3/3258

Abstract: A touch sensor includes: a plurality of sensor pixels; a sensor scan driver for supplying sensor scan signals to the sensor pixels through sensor scan lines; a power supply unit for supplying common voltages to the sensor pixels through common lines; and a read-out circuit connected to the sensor pixels through the common lines, the read-out circuit configured to sense a touch by using an output signal output through the common lines, wherein two sensor pixels adjacent to each other among the sensor pixels share one common line.

公开(公告)号：US20240355835A1

公开(公告)日：2024-10-24

申请号：US18760784

申请日：2024-07-01

Applicant: Samsung Display Co., Ltd.

Inventor： Jin Sung AN ,  Seok Je SEONG ,  Seong Jun LEE ,  Ji Seon LEE

IPC: H01L27/12 ,  G09G3/3291 ,  H10K59/131

CPC classification number: H01L27/124 ,  G09G3/3291 ,  G09G2300/0426 ,  H10K59/131

Abstract: A display device includes a first active pattern, a first conductive pattern including a gate electrode overlapping the first active pattern, a first gate line overlapping the first active pattern and extending in a first direction, and a second gate line extending in the first direction, a second conductive pattern disposed on the first conductive pattern and including a third gate line extending in the first direction and a fourth gate line extending in the first direction, a second active pattern disposed on the second conductive pattern and including a material different from a material of the first active pattern, and a third conductive pattern disposed on the second active pattern and including a first upper electrode overlapping the third gate line and connected to the third gate line, and a second upper electrode overlapping the fourth gate line and connected to the fourth gate line.

公开(公告)号：US20230389371A1

公开(公告)日：2023-11-30

申请号：US18446874

申请日：2023-08-09

Applicant: Samsung Display Co., LTD.

Inventor： Yoon-Jong CHO ,  Seok Je SEONG ,  Seong Jun LEE

IPC: H10K59/126 ,  G09G3/3233 ,  H10K59/121

CPC classification number: H10K59/126 ,  G09G3/3233 ,  H10K59/1213 ,  G09G2310/0254 ,  H01L27/1225

Abstract: A display device includes a polycrystalline semiconductor including a channel and electrodes of a driving transistor; a gate electrode of the driving transistor on the channel of the driving transistor; a first storage electrode on the gate electrode of the driving transistor; a light blocking layer of a first transistor and a light blocking layer of a second transistor; an oxide semiconductor including a channel and electrodes of the first transistor, and a channel and electrodes of the second transistor; a gate electrode of the first transistor on the channel of the first transistor; and a gate electrode of the second transistor on the channel of the second transistor. The light blocking layer of the first transistor and the first storage electrode are on a same layer, and the light blocking layer of the second transistor and the gate electrode of the driving transistor are on a same layer.

公开(公告)号：US20230363219A1

公开(公告)日：2023-11-09

申请号：US18139725

申请日：2023-04-26

Applicant: Samsung Display Co., LTD.

Inventor： Seung Chan LEE ,  Jaechung KIM ,  Beom Soo PARK ,  Seong Jun LEE

IPC: H10K59/131 ,  H10K59/80

CPC classification number: H10K59/131 ,  H10K59/8791

Abstract: A display device includes a substrate including a display area and a component area, and first and second signal lines disposed on the substrate, in which each of the display area and the component area includes a first semiconductor layer, a first gate conductive layer and a second gate conductive layer on the first semiconductor layer, a second semiconductor layer on the second gate conductive layer, a third gate conductive layer on the second semiconductor layer, an insulating layer in which openings surrounding the first semiconductor layer, the second gate conductive layer, the second semiconductor layer and the third gate conductive layer are defined, and first and second data conductive layers on the insulating layer, in which the first signal line in the first data conductive layer and the second signal line in the second data conductive layer respectively extend in perpendicular directions.

公开(公告)号：US20230280871A1

公开(公告)日：2023-09-07

申请号：US18056370

申请日：2022-11-17

Applicant: Samsung Display Co., Ltd.

Inventor： Gi Na YOO ,  Ju Yeon KIM ,  Won Sang Park ,  Chang Woo Shim ,  Seong Jun LEE

IPC: G06F3/044 ,  G06F3/041

CPC classification number: G06F3/0446 ,  G06F3/0412 ,  G06F3/0448 ,  G06F2203/04112 ,  H01L27/3244

Abstract: A display device includes a pixel having a plurality of emission areas, a plurality of touch electrodes disposed between the plurality of emission areas to sense a touch, a plurality of position code patterns covering a partial front surface of at least one of the plurality of touch electrodes in a preset code shape, and a light blocking pattern disposed on front surfaces of the plurality of touch electrodes on which the plurality of position code patterns are not formed. A width or size of the plurality of position code patterns is greater than a width or size of the light blocking pattern.

公开(公告)号：US20230229269A1

公开(公告)日：2023-07-20

申请号：US17821202

申请日：2022-08-22

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Gi Na YOO ,  Ju Yeon KIM ,  Won Sang PARK ,  Chang Woo SHIM ,  Seong Jun LEE

IPC: G06F3/044 ,  H01L27/32 ,  H01L51/52

CPC classification number: G06F3/0441 ,  H01L27/323 ,  H01L27/322 ,  H01L51/5284 ,  G06F3/0446 ,  G06F2203/04112

Abstract: A display device and a touch input system are provided, the display device comprising a display unit including a plurality of light emission areas; a plurality of touch electrodes disposed between the plurality of light emission areas to sense a touch input; at least one light shielding pattern formed by covering at least a portion of a front surface of at least one of the plurality of touch electrodes; and one of a first set of color filters comprising first to third colors or a second set of color filters comprising first to fourth colors, which are alternately disposed in the plurality of light emission areas, wherein the color filters of one of the first or second set of color filters are used as code patterns by including an infrared absorbing pigment.