公开(公告)号：US11710461B2

公开(公告)日：2023-07-25

申请号：US17545992

申请日：2021-12-08

Applicant: Samsung Display Co., LTD.

Inventor： Geon Hwi Park ,  Jung Eon An ,  Ki Hyun Pyun

IPC: G09G3/3291 ,  G09G3/3266

CPC classification number: G09G3/3291 ,  G09G3/3266 ,  G09G2320/0276 ,  G09G2320/0673

Abstract: A gamma measurement method of a display device includes: storing a current value that is measured during gamma tuning of a display panel; resetting a target current of global current management (GCM) by referring to the current value; and measuring gamma of the display panel while applying the target current of the GCM.