公开(公告)号：US12046199B2

公开(公告)日：2024-07-23

申请号：US18066981

申请日：2022-12-15

Applicant: Samsung Display Co., LTD.

Inventor： Dae Youn Cho ,  Jong Woo Park ,  Sang Kil Kim ,  Ji Ho Moon ,  Young Tae Choi

IPC: G09G3/3233

CPC classification number: G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/0202 ,  G09G2310/08 ,  G09G2320/0233 ,  G09G2320/043 ,  G09G2320/045 ,  G09G2330/028

Abstract: A pixel including: a light emitting element; a first transistor connected between a first node and a second node, and to generate a driving current to flow from a first power line to a second power line through the light emitting element; a second transistor connected between a data line and the first node; a third transistor connected between the second node and a third node corresponding to a gate electrode of the first transistor; a fourth transistor connected between the third node and a third power line; a fifth transistor connected between the first power line and the first node; a sixth transistor connected between the second node and a fourth node corresponding to a first electrode of the light emitting element; a seventh transistor connected between the fourth node and a fourth power line; and an eighth transistor connected between the fourth node and a fifth power line.

公开(公告)号：US11270610B2

公开(公告)日：2022-03-08

申请号：US16952637

申请日：2020-11-19

Applicant: Samsung Display Co., Ltd.

Inventor： Chan Wook Shim ,  Ji Ho Moon ,  In Cheol Song ,  Chang Gil Oh ,  Seong Keun Cho ,  Sae Mi Han

IPC: G09G3/00

Abstract: A display panel inspecting apparatus includes a first inspecting transistor including a control electrode for receiving a first test gate signal, an input electrode for receiving a first voltage and an output electrode connected to an outermost data line disposed in an outermost area of a display region of a display panel, a second inspecting transistor including a control electrode for receiving the first test gate signal, an input electrode for receiving a second voltage and an output electrode connected to a normal data line disposed out of the outermost area of the display region, and a third inspecting transistor including a control electrode for receiving the first test gate signal, an input electrode for receiving a third voltage and an output electrode connected to a module crack inspecting data line disposed out of the outermost area of the display region.

公开(公告)号：US12082443B2

公开(公告)日：2024-09-03

申请号：US18085076

申请日：2022-12-20

Applicant: Samsung Display Co., LTD.

Inventor： June Hwan Kim ,  Tae Young Kim ,  Jong Woo Park ,  Ki Ju Im ,  Ji Ho Moon ,  Hyun Cheol Hwang

IPC: H01L29/08 ,  G09G3/3233 ,  H10K59/121 ,  H10K59/131 ,  H10K71/00 ,  H01L27/12 ,  H01L29/66 ,  H01L29/786 ,  H10K59/12

CPC classification number: H10K59/1213 ,  G09G3/3233 ,  H10K59/1216 ,  H10K59/131 ,  H10K71/00 ,  G09G2300/0809 ,  H01L27/1222 ,  H01L27/124 ,  H01L27/1255 ,  H01L27/127 ,  H01L29/66757 ,  H01L29/78675 ,  H10K59/1201

Abstract: A display device includes an organic light emitting diode, a first transistor driving the organic light emitting diode, a second transistor transmitting a data signal to the first transistor, a third transistor transmitting a first power voltage to the first transistor, wherein a semiconductor pattern of the first transistor is disposed over a semiconductor pattern of the second transistor, a semiconductor pattern of the third transistor is disposed over the semiconductor pattern of the first transistor, a lower transistor insulating film is disposed between the semiconductor pattern of the first transistor and the semiconductor pattern of the second transistor, and an upper transistor insulating film is disposed between the semiconductor pattern of the first transistor and the semiconductor pattern of the third transistor.

公开(公告)号：US11538879B2

公开(公告)日：2022-12-27

申请号：US16952787

申请日：2020-11-19

Applicant: Samsung Display Co., LTD.

Inventor： June Hwan Kim ,  Tae Young Kim ,  Jong Woo Park ,  Ki Ju Im ,  Ji Ho Moon ,  Hyun Cheol Hwang

IPC: H01L29/08 ,  H01L27/32 ,  G09G3/3233 ,  H01L51/56 ,  H01L29/66 ,  H01L27/12 ,  H01L29/786

Abstract: A display device includes an organic light emitting diode, a first transistor driving the organic light emitting diode, a second transistor transmitting a data signal to the first transistor, a third transistor transmitting a first power voltage to the first transistor, wherein a semiconductor pattern of the first transistor is disposed over a semiconductor pattern of the second transistor, a semiconductor pattern of the third transistor is disposed over the semiconductor pattern of the first transistor, a lower transistor insulating film is disposed between the semiconductor pattern of the first transistor and the semiconductor pattern of the second transistor, and an upper transistor insulating film is disposed between the semiconductor pattern of the first transistor and the semiconductor pattern of the third transistor.

公开(公告)号：US11448550B2

公开(公告)日：2022-09-20

申请号：US17153678

申请日：2021-01-20

Applicant: Samsung Display Co., LTD.

Inventor： Dae Youn Cho ,  Eu Gene Kim ,  Ji Ho Moon ,  Jong Woo Park ,  Young Tae Choi

IPC: G01J1/42 ,  G09G3/3275

Abstract: An optical measurement device includes an optical sensor which measures an optical waveform of a reference object or a measurement object, a learner which receives a first optical waveform of the reference object from the optical sensor and learns frequency characteristics of the first optical waveform, a filter generator which analyzes the frequency characteristics of the first optical waveform and generates a frequency filter, a frequency modeling unit which receives a second optical waveform of the measurement object from the optical sensor and models frequency characteristics of the second optical waveform, and an optical characteristic detector which calculates an optical characteristic index of the second optical waveform based on an output value of the frequency modeling unit and the frequency filter.

公开(公告)号：US11315482B2

公开(公告)日：2022-04-26

申请号：US16813982

申请日：2020-03-10

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Dae Youn Cho ,  Ji Ho Moon ,  Jong Woo Park ,  Young Tae Choi

IPC: G09G3/30 ,  G09G3/32

Abstract: A pixel includes a light emitting device, a first transistor for controlling an amount of current flowing from a first power source to a second power source via the light emitting device, in response to a voltage applied to a first node, a second transistor coupled between a data line and a second node corresponding to a first electrode of the first transistor, and including a gate electrode coupled to a first scan line, a third transistor coupled between the first node and a third node corresponding to a second electrode of the first transistor, and including a gate electrode coupled to the first scan line, and a fourth transistor coupled between the third transistor and the third node, and configured to maintain a turn-on state.

公开(公告)号：US20200327850A1

公开(公告)日：2020-10-15

申请号：US16813982

申请日：2020-03-10

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Dae Youn Cho ,  Ji Ho Moon ,  Jong Woo Park ,  Young Tae Choi

IPC: G09G3/32

Abstract: A pixel includes a light emitting device, a first transistor for controlling an amount of current flowing from a first power source to a second power source via the light emitting device, in response to a voltage applied to a first node, a second transistor coupled between a data line and a second node corresponding to a first electrode of the first transistor, and including a gate electrode coupled to a first scan line, a third transistor coupled between the first node and a third node corresponding to a second electrode of the first transistor, and including a gate electrode coupled to the first scan line, and a fourth transistor coupled between the third transistor and the third node, and configured to maintain a turn-on state.