公开(公告)号：US20230162679A1

公开(公告)日：2023-05-25

申请号：US17990813

申请日：2022-11-21

Applicant: Samsung Display Co., LTD.

Inventor： Byung Chang YU ,  Hyun Joon KIM ,  Hae Min KIM ,  Myunghoon PARK ,  Dong-Hoon LEE

IPC: G09G3/3233

CPC classification number: G09G3/3233 ,  H01L27/3276

Abstract: A light emitting display device includes a light emitting diode including a first electrode and a second electrode to which a driving voltage is applied, a driving transistor, a second transistor receiving a data voltage and connected to a D node, a storage capacitor connected to the driving transistor and an N node, a hold capacitor connected to the D node and the N node, a third transistor connected to the D node and the driving transistor, a fourth transistor receiving a reference voltage and connected to the driving transistor, a fifth transistor connected to the driving transistor and the N node, a sixth transistor receiving a driving low voltage and connected to the driving transistor, a seventh transistor receiving an initialization voltage and connected the driving transistor, and an eighth transistor connected to the driving transistor and the first electrode of the light emitting diode.

公开(公告)号：US20240233645A1

公开(公告)日：2024-07-11

申请号：US18613312

申请日：2024-03-22

Applicant: Samsung Display Co., LTD.

Inventor： Byung Chang YU ,  Hyun Joon KIM ,  Hae Min KIM ,  Myunghoon PARK ,  Dong-Hoon LEE

IPC: G09G3/3233 ,  H10K59/131

CPC classification number: G09G3/3233 ,  G09G2300/0426 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2320/0626 ,  H10K59/131

Abstract: A light emitting display device includes a light emitting diode including a first electrode and a second electrode to which a driving voltage is applied, a driving transistor, a second transistor receiving a data voltage and connected to a D node, a storage capacitor connected to the driving transistor and an N node, a hold capacitor connected to the D node and the N node, a third transistor connected to the D node and the driving transistor, a fourth transistor receiving a reference voltage and connected to the driving transistor, a fifth transistor connected to the driving transistor and the N node, a sixth transistor receiving a driving low voltage and connected to the driving transistor, a seventh transistor receiving an initialization voltage and connected the driving transistor, and an eighth transistor connected to the driving transistor and the first electrode of the light emitting diode.

公开(公告)号：US20230049684A1

公开(公告)日：2023-02-16

申请号：US17731225

申请日：2022-04-27

Applicant: Samsung Display Co., Ltd.

Inventor： Hyunjoon KIM ,  Haemin KIM ,  Myunghoon PARK ,  Byungchang YU ,  Donghoon LEE

IPC: H01L27/32

Abstract: A pixel that emits light at brightness corresponding to the amount of a driving current regardless of a threshold voltage of a driving transistor, and secure sufficient compensation time by separating an operation of compensating for the threshold voltage of the driving transistor and an operation of writing a data signal, and a display apparatus including the pixel.