公开(公告)号：US11062967B2

公开(公告)日：2021-07-13

申请号：US16727266

申请日：2019-12-26

Applicant: Samsung Display Co., Ltd.

Inventor： Hyun Woong Kim ,  Won Kyu Kwak ,  Seung-Kyu Lee

IPC: H01L27/12 ,  H01L27/32 ,  H01L21/66 ,  G09G3/00

Abstract: A display device includes a display area, a peripheral area, a pad portion, a bending area, a first crack detection circuit, and a first crack detection line. The display area includes pixels and data lines. The peripheral area is disposed outside the display area. The pad portion is disposed in the peripheral area. The bending area is disposed in the peripheral area. The bending area is bendable or in a bent state. The first crack detection circuit is disposed between the display area and the pad portion. The first crack detection circuit includes switches. The first crack detection line includes a first curved portion disposed in the bending area. The first crack detection line is connected between the pad portion and the first crack detection circuit.

公开(公告)号：US20190228707A1

公开(公告)日：2019-07-25

申请号：US16255636

申请日：2019-01-23

Applicant: Samsung Display Co., Ltd.

Inventor： Jong Won PARK ,  Seung-Kyu Lee ,  Hyun Woong Kim

IPC: G09G3/3233 ,  G09G3/3258

Abstract: A display device includes: an organic light emitting diode (OLED); a pixel circuit configured to control an amount of a current flowing from a first power voltage to the OLED; and a gate line and a data line that are connected to the pixel circuit, the pixel circuit including: an auxiliary transistor including a gate electrode electrically connected to the data line and a first electrode and a second electrodes connected to the gate line, the first electrode and the second electrode of the auxiliary transistor being electrically connected to each other.

公开(公告)号：US12020995B2

公开(公告)日：2024-06-25

申请号：US18137235

申请日：2023-04-20

Applicant: Samsung Display Co., Ltd.

Inventor： Hyun Woong Kim ,  Won Kyu Kwak ,  Seung-Kyu Lee

IPC: G09G3/00 ,  H01L21/66 ,  H01L27/12

CPC classification number: H01L22/32 ,  G09G3/006 ,  H01L22/12 ,  H01L22/34 ,  H01L27/124 ,  H01L27/1255 ,  G09G2300/0426 ,  G09G2300/0452 ,  G09G2330/12

Abstract: A display device includes a display area, a peripheral area, a pad portion, a bending area, a first crack detection circuit, and a first crack detection line. The display area includes pixels and data lines. The peripheral area is disposed outside the display area. The pad portion is disposed in the peripheral area. The bending area is disposed in the peripheral area. The bending area is bendable or in a bent state. The first crack detection circuit is disposed between the display area and the pad portion. The first crack detection circuit includes switches. The first crack detection line includes a first curved portion disposed in the bending area. The first crack detection line is connected between the pad portion and the first crack detection circuit.

公开(公告)号：US11957005B2

公开(公告)日：2024-04-09

申请号：US16937412

申请日：2020-07-23

Applicant: Samsung Display Co., Ltd.

Inventor： Seo Won Choe ,  Ki Wook Kim ,  Yang Wan Kim ,  Hyun Woong Kim ,  Eun Byul Jo

IPC: G09G3/32 ,  G09G3/3266 ,  H10K59/121 ,  H10K59/126 ,  H10K59/131 ,  H10K59/40 ,  G06F3/044

CPC classification number: H10K59/131 ,  G09G3/3266 ,  H10K59/1216 ,  H10K59/126 ,  H10K59/40 ,  G06F3/0446

Abstract: A display device includes: a substrate; scan lines extending in a first direction, and arranged along a second direction crossing the first direction on the substrate; data lines extending in the second direction, and arranged along the first direction on the substrate; a display area including pixels connected to the scan lines and the data lines; and a non-display area around the display area, and including compensation capacitors connected to some scan lines from among the scan lines. A sum of a capacitance of q odd scan lines or q even scan lines that are adjacent to each other from among the scan lines increases in the second direction, where q is a positive integer.

公开(公告)号：US11664284B2

公开(公告)日：2023-05-30

申请号：US17373756

申请日：2021-07-12

Applicant: Samsung Display Co., Ltd.

Inventor： Hyun Woong Kim ,  Won Kyu Kwak ,  Seung-Kyu Lee

IPC: H01L27/32 ,  H01L27/12 ,  H01L21/66 ,  G09G3/00

CPC classification number: H01L22/32 ,  G09G3/006 ,  H01L22/12 ,  H01L22/34 ,  H01L27/124 ,  H01L27/1255 ,  G09G2300/0426 ,  G09G2300/0452 ,  G09G2330/12

Abstract: A display device includes a display area, a peripheral area, a pad portion, a bending area, a first crack detection circuit, and a first crack detection line. The display area includes pixels and data lines. The peripheral area is disposed outside the display area. The pad portion is disposed in the peripheral area. The bending area is disposed in the peripheral area. The bending area is bendable or in a bent state. The first crack detection circuit is disposed between the display area and the pad portion. The first crack detection circuit includes switches. The first crack detection line includes a first curved portion disposed in the bending area. The first crack detection line is connected between the pad portion and the first crack detection circuit.

公开(公告)号：US10650749B2

公开(公告)日：2020-05-12

申请号：US15865949

申请日：2018-01-09

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyun Duck Cho ,  Seung-Kyu Lee ,  Hyun Woong Kim

IPC: G09G3/3258 ,  H01L51/52 ,  H01L27/12 ,  H01L27/32 ,  H01L29/786 ,  G09G3/3233

Abstract: An embodiment provides an organic light emitting diode display including: a substrate; a scan line disposed on the substrate to transfer a scan signal; a data line disposed on the substrate to transfer a data signal; a driving voltage line disposed on the substrate to transfer a driving voltage; a switching transistor connected with the scan line and the data line; a driving transistor connected with the switching transistor; and an organic light emitting diode electrically connected to the driving transistor, wherein the driving transistor includes a gate electrode, a source electrode, a drain electrode, and a plurality of channels, and each of the channels includes a plurality of curved portions.

公开(公告)号：US20180330672A1

公开(公告)日：2018-11-15

申请号：US15868961

申请日：2018-01-11

Applicant: Samsung Display Co., Ltd.

Inventor： Jong Won PARK ,  Seung Kyu Lee ,  Hyun Woong Kim

IPC: G09G3/3266 ,  H01L27/32 ,  G09G3/3225

CPC classification number: G09G3/3266 ,  G09G3/3225 ,  G09G2300/0413 ,  G09G2300/0426 ,  G09G2320/0233 ,  H01L27/3223 ,  H01L27/3276

Abstract: A display device includes: pixels provided in a display area; data lines connected to the pixels, the data lines providing data signals to the pixels; scan lines connected to the pixels, the scan lines providing scan signals to the pixels; and dummy scan lines intersecting the data lines in a peripheral area surrounding the display area.

公开(公告)号：US11270637B2

公开(公告)日：2022-03-08

申请号：US16929030

申请日：2020-07-14

Applicant: Samsung Display Co., Ltd.

Inventor： Jong Won Park ,  Seung-Kyu Lee ,  Hyun Woong Kim

IPC: G09G3/3233 ,  G09G3/3258

Abstract: A display device includes: an organic light emitting diode (OLED); a pixel circuit configured to control an amount of a current flowing from a first power voltage to the OLED; and a gate line and a data line that are connected to the pixel circuit, the pixel circuit including: an auxiliary transistor including a gate electrode electrically connected to the data line and a first electrode and a second electrodes connected to the gate line, the first electrode and the second electrode of the auxiliary transistor being electrically connected to each other.

公开(公告)号：US11264442B2

公开(公告)日：2022-03-01

申请号：US16161648

申请日：2018-10-16

Applicant: Samsung Display CO., LTD.

Inventor： Young Taeg Jung ,  Seung Kyu Lee ,  Hyun Woong Kim ,  Hyun Chol Bang

IPC: H01L27/32 ,  G09G3/00 ,  G09G3/3275 ,  G09G3/3266 ,  G06F3/041

Abstract: A flat panel display includes a substrate including a display region and a non-display region disposed outside of the display region, a display unit disposed in the display region that displays an image, a plurality of first pads disposed in the non-display region that receive driving signals for driving the display unit, a plurality of second pads disposed in the non-display region that receive inspection signals for inspecting the display unit, a plurality of third pads disposed in the non-display region that receive alignment confirmation signals for confirming alignment, and a resistor coupled between at least two third pads of the plurality of third pads.

公开(公告)号：US10891900B2

公开(公告)日：2021-01-12

申请号：US16369740

申请日：2019-03-29

Applicant: Samsung Display Co., Ltd.

Inventor： Hyun Woong Kim ,  Seung Kyu Lee ,  Won Mi Hwang

IPC: G09G3/3258

Abstract: An emission driver according to example embodiments includes a plurality of stages each having an input block; an output block; a first signal processing block controlling a voltage of a first node; a second signal processing block controlling a voltage of a fourth node in response to the signal supplied to a third input terminal and a voltage of a fifth node; a third signal processing block controlling the voltage of the fourth node; a fourth signal processing block controlling the voltage of the third node; and a stabilization block electrically connected between the input block and the output block to limit a voltage drop between the first node and the third node. The stabilization block may limit a voltage drop between a second node and the fourth node by lowering a voltage of a second power source to the fifth node.