公开(公告)号：US20220181420A1

公开(公告)日：2022-06-09

申请号：US17471849

申请日：2021-09-10

Applicant: Samsung Display Co., Ltd.

Inventor： KEUNWOO KIM ,  MEEJAE KANG ,  THANH TIEN NGUYEN ,  HYENA KWAK ,  JAEHWAN CHU

IPC: H01L27/32

Abstract: A display device may include a substrate, a first transistor disposed on the substrate and including a first gate electrode, a first conductive pattern disposed on the first gate electrode such that the first conductive pattern and the first gate electrode constitute a first capacitor, a second conductive pattern disposed on the first capacitor, a third conductive pattern disposed on the second conductive pattern such that the third conductive pattern and the second conductive pattern constitute a second capacitor, and a light emitting structure disposed on the second capacitor.

公开(公告)号：US20210391401A1

公开(公告)日：2021-12-16

申请号：US17244013

申请日：2021-04-29

Applicant: Samsung Display Co., Ltd.

Inventor： KEUNWOO KIM ,  DOO-NA KIM ,  MEEJAE KANG ,  THANH TIEN NGUYEN

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

Abstract: A display device includes a pixel including a pixel driving transistor and a pixel switching transistor, the pixel driving transistor including a first active layer including a first channel area having a first length, a first gate insulating layer on the first active layer, a first gate electrode on the first gate insulating layer, a first source electrode and a first drain electrode above the first gate electrode, the pixel switching transistor including a second active layer including a second channel area having a second length that is shorter than the first length, a second gate insulating layer on the second active layer, a second gate electrode on the second gate insulating layer, a second source and a second drain electrode above the second gate electrode, and wherein the pixel driving transistor and the pixel switching transistor each include a P-MOS transistor.

公开(公告)号：US20170084774A1

公开(公告)日：2017-03-23

申请号：US15152980

申请日：2016-05-12

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： KI JU IM ,  MIN-SUNG KIM ,  THANH TIEN NGUYEN ,  JAE SEOB LEE

IPC: H01L31/153 ,  H01L31/0296 ,  H01L31/0232 ,  H01L27/12

CPC classification number: H01L31/153 ,  H01L27/1225 ,  H01L27/3262 ,  H01L31/02327 ,  H01L31/0296

Abstract: A disclosed photosensor includes: a first electrode layer including a reflection part having an inclination surface; a first semiconductor layer positioned on the first electrode layer; a second electrode layer positioned on the first semiconductor layer; and a first dielectric layer and a second dielectric layer sequentially positioned on the second electrode layer, wherein the first dielectric layer and the second dielectric layer have different dielectric constant values. Further, the disclosed display device includes a plurality of pixel areas positioned on a substrate, and a sensor unit formed in at least some pixel areas among the plurality of pixel areas.