公开(公告)号：US20180322844A1

公开(公告)日：2018-11-08

申请号：US15935812

申请日：2018-03-26

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jae Hoon LEE ,  Jai Hyun KOH ,  Heen Dol KIM ,  Bong Hyun YOU ,  Soo Yeon LEE ,  Seok Ha HONG

IPC: G09G3/36 ,  G09G5/10

CPC classification number: G09G3/3696 ,  G09G5/10 ,  G09G2300/0413 ,  G09G2320/0247 ,  G09G2320/029

Abstract: A display device may include display pixels configured to emit light at a luminance corresponding to a data signal, at least one auxiliary pixel configured to store an auxiliary voltage, a gate driver configured to supply a gate signal to the display pixels and the auxiliary pixel, a data driver configured to convert image data into the data signal, and supply an auxiliary voltage having a preset level to the auxiliary pixel. A sensing circuit is configured to sense a change in the auxiliary pixel for each frame, and generate compensation voltage information. A timing controller is configured to convert an image signal into the image data, and generate a driving voltage control signal. A voltage generation unit is configured to generate a driving voltage corresponding to the driving voltage control signal, and generate the reference gamma voltage based on the driving voltage.

公开(公告)号：US20240029659A1

公开(公告)日：2024-01-25

申请号：US18376340

申请日：2023-10-03

Applicant: Samsung Display Co., Ltd.

Inventor： Jong Hee KIM ,  Soo Yeon LEE

IPC: G09G3/3266 ,  G09G3/36

CPC classification number: G09G3/3266 ,  G09G3/3677 ,  G09G2310/08

Abstract: A scan driver for a display device may include a plurality of scan stage groups, each of the scan stage groups including a first scan stage and a second scan stage. The first scan stage may include: a first transistor including a gate electrode coupled to a first Q node, one electrode coupled to a first scan clock line, and another electrode coupled to a first scan line; a second transistor including a gate electrode and one electrode, which are coupled to a first scan carry line, and another electrode coupled to the first Q node; a third transistor including a gate electrode coupled to a first control line and one electrode coupled to a first sensing carry line; a fourth transistor including a gate electrode coupled to the other electrode of the third transistor, one electrode coupled to a second control line, and another electrode coupled to a first node; a first capacitor including one electrode coupled to the one electrode of the fourth transistor and another electrode coupled to the gate electrode of the fourth transistor; a fifth transistor including a gate electrode coupled to a third control line, one electrode coupled to the first node, and another electrode coupled to the first Q node; and a sixth transistor including a gate electrode coupled to the first Q node, one electrode coupled to the second control line, and another electrode coupled to the first node.

公开(公告)号：US20220319436A1

公开(公告)日：2022-10-06

申请号：US17699943

申请日：2022-03-21

Applicant: Samsung Display Co., Ltd.

Inventor： Jong Hee KIM ,  Soo Yeon LEE

IPC: G09G3/3266 ,  G09G3/36

Abstract: A scan driver for a display device includes a plurality of scan stage groups, each of the scan stage groups including a first scan stage and a second scan stage. The first scan stage includes: a first transistor including a gate electrode coupled to a first Q node, one electrode coupled to a first scan clock line, and another electrode coupled to a first scan line; a second transistor including a gate electrode and one electrode, which are coupled to a first scan carry line, and another electrode coupled to the first Q node; a third transistor including a gate electrode coupled to a first control line and one electrode coupled to a first sensing carry line; a fourth transistor including a gate electrode coupled to the other electrode of the third transistor, one electrode coupled to a second control line, and another electrode coupled to a first node; a first capacitor including one electrode coupled to the one electrode of the fourth transistor and another electrode coupled to the gate electrode of the fourth transistor; a fifth transistor including a gate electrode coupled to a third control line, one electrode coupled to the first node, and another electrode coupled to the first Q node; and a sixth transistor including a gate electrode coupled to the first Q node, one electrode coupled to the second control line, and another electrode coupled to the first node.

公开(公告)号：US20200243018A1

公开(公告)日：2020-07-30

申请号：US16744009

申请日：2020-01-15

Applicant: Samsung Display Co., Ltd.

Inventor： Jong Hee KIM ,  Soo Yeon LEE

IPC: G09G3/3266 ,  G09G3/36

Abstract: A scan driver for a display device includes a plurality of scan stage groups, each of the scan stage groups including a first scan stage and a second scan stage. The first scan stage includes: a first transistor including a gate electrode coupled to a first Q node, one electrode coupled to a first scan clock line, and another electrode coupled to a first scan line; a second transistor including a gate electrode and one electrode, which are coupled to a first scan carry line, and another electrode coupled to the first Q node; a third transistor including a gate electrode coupled to a first control line and one electrode coupled to a first sensing carry line; a fourth transistor including a gate electrode coupled to the other electrode of the third transistor, one electrode coupled to a second control line, and another electrode coupled to a first node; a first capacitor including one electrode coupled to the one electrode of the fourth transistor and another electrode coupled to the gate electrode of the fourth transistor; a fifth transistor including a gate electrode coupled to a third control line, one electrode coupled to the first node, and another electrode coupled to the first Q node; and a sixth transistor including a gate electrode coupled to the first Q node, one electrode coupled to the second control line, and another electrode coupled to the first node.