公开(公告)号：US11004383B2

公开(公告)日：2021-05-11

申请号：US16210587

申请日：2018-12-05

Applicant: LG Display Co., Ltd.

Inventor： Yongho Jang ,  Kwangll Chun

IPC: G09G3/32 ,  G09G3/3233

Abstract: A light emitting display apparatus includes a light emitting display panel including a plurality of pixels each operating in order of an initialization period, a sampling period, an offset voltage formation period, a data writing period, and a light emission period; a data driving circuit configured to supply data voltage to each of the pixels; a gate driving circuit configured to provide, to each of the pixels, a control signal having voltage levels determined for the initialization period, the sampling period, the offset voltage formation period, the data writing period, and the light emission period of a corresponding pixel; and a timing controller configured to control the data driving circuit and the gate driving circuit, wherein the offset voltage formation period is longer than the sampling period.

公开(公告)号：US11127353B2

公开(公告)日：2021-09-21

申请号：US16690815

申请日：2019-11-21

Applicant: LG Display Co., Ltd.

Inventor： Dohyung Lee ,  ChanYong Jeong ,  JuHeyuck Baeck ,  Kwangll Chun

IPC: G09G3/3241 ,  G09G3/3266 ,  H01L27/12

Abstract: A display device and a signal inversion device are provided. A display device includes: a display panel including: sub-pixels, and scan lines respectively connected to each of the sub-pixels, and light emission control lines respectively connected to each of the sub-pixels, a scan driver circuit for outputting respective scan signals to the scan lines, and a light emission control driver circuit for outputting respective light emission control signals to the light emission control lines, the light emission control driver circuit including: a resistance device electrically connected between: a first voltage node for receiving a first voltage, and an output node electrically connected to the light emission control lines, and a transistor electrically connected between the output node and a second voltage node for receiving a second voltage that is different from the first voltage, wherein an on/off operation of the transistor is controlled according to an input signal.