公开(公告)号：US12254839B2

公开(公告)日：2025-03-18

申请号：US18313601

申请日：2023-05-08

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyun Joon Kim ,  Jun Ki Jeong

IPC: G09G3/3266

Abstract: A pixel of a light-emitting display device includes a capacitor, a first transistor, a second transistor including a gate receiving a gate writing signal, a third transistor including a gate receiving a scan signal, a fourth transistor including a gate receiving a gate initialization signal, a fifth transistor including a gate receiving a first emission signal, a sixth transistor including a gate receiving a second emission signal, and a light-emitting diode. The scan signal and the gate writing signal may be provided at a first frequency, and the first emission signal, the second emission signal and the gate initialization signal may be provided at a second frequency higher than the first frequency.

公开(公告)号：US12094865B2

公开(公告)日：2024-09-17

申请号：US17841247

申请日：2022-06-15

Applicant: Samsung Display Co. Ltd.

Inventor： Seung Chan Lee ,  Gun Hee Kim ,  Sang Ho Park ,  Ju Won Yoon ,  Joo Hee Jeon ,  Hyun Joon Kim

IPC: H01L25/18 ,  H01L25/00 ,  H10K59/131 ,  H10K59/18 ,  H10K77/10

CPC classification number: H01L25/18 ,  H01L25/50 ,  H10K59/131 ,  H10K59/18 ,  H10K77/10

Abstract: A display device and a method for fabricating the same. The display device includes a substrate including a circuit layer and a first pad unit; an auxiliary substrate disposed below the substrate and comprising a driving circuit and a second pad unit; a light-emitting unit disposed on the circuit layer; and a connection electrode in contact with a side surface of the substrate and electrically connecting the first pad unit with the second pad unit. The method includes forming a circuit layer and a first pad unit on a first surface of a substrate; forming a driving circuit and a second pad unit on a fourth surface of an auxiliary substrate; and attaching a second surface of the substrate opposite the first surface to a third surface of the auxiliary substrate opposite the fourth surface.

公开(公告)号：US20230422557A1

公开(公告)日：2023-12-28

申请号：US18465700

申请日：2023-09-12

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： HEE RIM SONG ,  Hyun Joon Kim ,  Hae Min Kim ,  Mee Hye Jung

IPC: H10K59/121 ,  G09G3/3233 ,  G09G3/3266 ,  G09G3/3283 ,  H10K59/126 ,  H10K59/131

CPC classification number: H10K59/1213 ,  G09G3/3233 ,  G09G3/3266 ,  G09G3/3283 ,  H10K59/126 ,  H10K59/131 ,  H10K59/1216 ,  G09G2300/0426 ,  G09G2330/02 ,  H01L27/1225

Abstract: A display device may include a plurality of pixels each including a light emitting element. A first scan line and a second scan line are disposed in each of the pixels. A data line is disposed in each of the pixels. A power line is disposed in each of the pixels. A reference voltage line is disposed in each of the pixels. A first transistor controls a current of the light emitting element. A second transistor is connected between the data line and a first gate electrode of the first transistor. A third transistor is connected between the reference voltage line and a first electrode of the first transistor. A fourth transistor is connected between the power line and a second electrode of the first transistor. The fourth transistor may be a transistor of a type different from that of the first to third transistors.

公开(公告)号：US20220359577A1

公开(公告)日：2022-11-10

申请号：US17737707

申请日：2022-05-05

Applicant: Samsung Display Co., LTD.

Inventor： Jun Ki Jeong ,  Hyun Joon Kim ,  Mee Hye Jung

IPC: H01L27/12 ,  H01L25/16 ,  G09G3/32

Abstract: A light emitting display device includes a pixel circuit unit, a data distribution unit, a plurality of signal generating units, a unit light emitting diode, and a dummy opening. The pixel circuit unit is configured to generate an output current. The data distribution unit is configured to apply a data voltage to the pixel circuit unit through a data line. The plurality of signal generating units are respectively configured to apply a scan signal and a light emission control signal to the pixel circuit unit through a plurality of signal lines. The unit light emitting diode is configured to receive the output current of the pixel circuit unit and is attached to the pixel circuit unit. The dummy opening is formed in the region where the pixel circuit unit, the data distribution unit, and a plurality of signal generating units are not positioned.

公开(公告)号：US20220101777A1

公开(公告)日：2022-03-31

申请号：US17323213

申请日：2021-05-18

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyun Joon Kim ,  Jang Mi Kang ,  Hae Min Kim ,  Jun Hyun Park ,  Min Jae Jeong ,  Ki Hyun Pyo

IPC: G09G3/32

Abstract: A display device according to an embodiment of the present disclosure includes pixels connected to a first scan line, a second scan line, a third scan line, a data line, a first emission control line, and a second emission control line. Each of the pixels includes a light emitting element; a first transistor connected between a first node connected to a first power source and a second electrode connected to a second node connected to an anode of the light emitting element, and including a gate electrode connected to a third node; a second transistor connected between the data line and a fourth node and including a gate electrode connected to the first scan line; a first capacitor connected between the second node and a fifth node; a second capacitor connected between the fourth node and the fifth node; a fourth transistor connected between the third node and the fifth node, and including a gate electrode connected to the second scan line; and a sixth transistor connected between the third node and the fourth node, and including a gate electrode connected to the first emission control line.

公开(公告)号：US11073718B2

公开(公告)日：2021-07-27

申请号：US15861507

申请日：2018-01-03

Applicant: Samsung Display Co., Ltd.

Inventor： Kyung-Bae Kim ,  Il Gon Kim ,  Hyun Joon Kim

IPC: G02B5/20 ,  G02B5/30 ,  G02F1/1335 ,  G02F2/02 ,  G02F1/13357

Abstract: An exemplary embodiment of the present disclosure provides a color conversion display panel including: a light blocking member and a blue light cutting filter disposed on a color conversion substrate; a first color conversion layer and a second color conversion layer disposed on the blue light cutting filter to include nanocrystals; and a transmission layer disposed on the color conversion substrate, wherein the blue light cutting filter overlaps side surfaces of the first color conversion layer, the second color conversion layer, and the transmission layer.

公开(公告)号：US11069726B2

公开(公告)日：2021-07-20

申请号：US16262715

申请日：2019-01-30

Applicant: Samsung Display Co., Ltd.

Inventor： Hyun Joon Kim ,  Kyung Bae Kim ,  Kyung Hoon Chung ,  Mee Hye Jung

IPC: H01L33/62 ,  H01L27/15 ,  H01L33/36 ,  H01L25/075 ,  H01L33/18 ,  H01L27/12 ,  H01L33/38 ,  H01L25/16 ,  H01L33/00 ,  H01L33/20

Abstract: A method of manufacturing a display device, the method including providing a substrate, forming a first electrode, a second electrode spaced from the first electrode and in a same plane as the first electrode, a first alignment line connected to the first electrode, and a second alignment line connected to the second electrode on the substrate, self-aligning the plurality of light emitting elements by providing a solution containing a plurality of light emitting elements on the substrate, removing the first alignment line and the second alignment line from the substrate on which the plurality of light emitting elements are self-aligned, forming a first contact electrode electrically connecting one end of each light emitting element to the first electrode, and forming a second contact electrode electrically connecting an other end of each light emitting element to the second electrode.

公开(公告)号：US10580362B2

公开(公告)日：2020-03-03

申请号：US16052402

申请日：2018-08-01

Applicant: Samsung Display Co., Ltd.

Inventor： Yong Sung Park ,  Min Woo Byun ,  Kwang Chul Jung ,  Hyun Joon Kim ,  Sung Yoon Kim ,  Hyun Suk Yang ,  Doo Youl Lee

IPC: G09G3/3266

Abstract: A display device includes: first pixels in a first pixel region and connected to first scan lines; second pixels in a second pixel region that is located at a side of the first pixel region and has a width smaller than a width of the first pixel region, and connected to second scan lines; third pixels in a third pixel region that is spaced apart from the second pixel region and has a width smaller than the width of the first pixel region, and connected to third scan lines; a load matching unit in a peripheral region at an outside of the second pixel region and the third pixel region, and configured to match loads of the second scan lines and the third scan lines to that of the first scan lines; and a protection unit connected between the second and third pixels and the load matching unit.

公开(公告)号：US10483341B2

公开(公告)日：2019-11-19

申请号：US15974530

申请日：2018-05-08

Applicant: Samsung Display Co., Ltd.

Inventor： Kwang Chul Jung ,  Hyun Joon Kim ,  Sung Yoon Kim ,  Hyun Suk Yang ,  Doo Youl Lee

IPC: G09G5/02 ,  H01L27/32 ,  G09G3/3233 ,  G09G3/3275 ,  G09G3/3266 ,  G09G3/20

Abstract: A display device includes first pixels in a first pixel area and coupled with first scan lines, first scan stage circuits in a first peripheral area outside the first pixel area, and configured to supply a first scan signal to the first scan lines, second pixels in a second pixel area having a width that is less than a width of the first pixel area, and coupled with second scan lines, second scan stage circuits in a second peripheral area outside the second pixel area, and configured to generate a second scan signal, and first load matching units respectively between the second scan stage circuits, and configured to delay the second scan signal, and to supply the delayed second scan signal to the second scan lines.

公开(公告)号：US10332466B2

公开(公告)日：2019-06-25

申请号：US15135062

申请日：2016-04-21

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Se-Hyoung Cho ,  Hyun Joon Kim ,  Cheol-Gon Lee ,  Jangmi Kang ,  Mee-Hye Jung ,  Jong-Hee Kim

IPC: G09G3/36 ,  G09G3/3275

Abstract: A method of driving a display panel includes providing a positive polarity data signal to a first data line during an odd-numbered frame, and providing a negative polarity data signal to the first data line during an even-numbered frame. The positive polarity data signal has a first polarity. The negative polarity data signal has a second polarity. Output timing of the positive polarity data signal is different from output timing of the negative polarity data signal.