公开(公告)号：US20190198438A1

公开(公告)日：2019-06-27

申请号：US16215331

申请日：2018-12-10

Applicant: LG Display Co., Ltd.

Inventor： Daekyung KIM ,  Wansik LIM ,  Jaesung JEON ,  Ri YU ,  Cheolho LEE ,  Joohye KANG

IPC: H01L23/498 ,  H01L23/31 ,  H01L23/00

Abstract: A chip on film according to the present disclosure includes a base film, a plurality of signal wirings on an upper surface and a lower surface of the base film to transmit a signal in two signal paths, a driving unit on one surface of the upper surface and the lower surface of the base film, a first pad and a second pad on one surface of the upper surface and the lower surface of the base film, and a plurality of through holes between the first pad and the second pad and electrically connect to the signal wiring.

公开(公告)号：US20240221664A1

公开(公告)日：2024-07-04

申请号：US18543788

申请日：2023-12-18

Applicant: LG Display Co., Ltd.

Inventor： Ri YU ,  Bong-Hwan KIM ,  Un-Seon LEE

IPC: G09G3/3233

CPC classification number: G09G3/3233 ,  G09G2310/08 ,  G09G2340/0435

Abstract: A display device includes a light emitting diode disposed in a pixel; and an emission control transistor disposed in the pixel, and controlling on and off of the light emitting diode according to an emission control signal for each frame, wherein the frame includes a first duty cycle to a K-th duty cycle each of which sets an on-duty period and an off-duty period, and wherein the on-duty period of the first duty cycle is longer than the on-duty period of each of the second to K-th duty cycles.