公开(公告)号：US20240265867A1

公开(公告)日：2024-08-08

申请号：US18435919

申请日：2024-02-07

Applicant: Samsung Display Co., Ltd.

Inventor： Jaehoon Lee ,  Jihyun Ka ,  Seokje Seong ,  Joosun Yoon

IPC: G09G3/3233

CPC classification number: G09G3/3233 ,  G09G2300/0452 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2310/08 ,  G09G2320/02 ,  G09G2330/021 ,  G09G2330/028

Abstract: Provided are a pixel configured to receive a first initialization voltage during a first period between a writing period of a first scan period and a first emission period of a frame and to receive a second initialization voltage different from the first initialization voltage from a start time point of a second period before a second emission period of a second scan period subsequent to the first scan period, a display apparatus including the pixel, and a driving method of the display apparatus.

公开(公告)号：US11798459B2

公开(公告)日：2023-10-24

申请号：US17955198

申请日：2022-09-28

Applicant: Samsung Display Co., Ltd.

Inventor： Chang-Soo Lee ,  Joosun Yoon ,  Boyong Chung

IPC: G09G3/20 ,  G09G3/32

CPC classification number: G09G3/2096 ,  G09G3/2007 ,  G09G3/32 ,  G09G2300/0819 ,  G09G2310/08 ,  G09G2320/0233

Abstract: A display apparatus includes a display panel including a plurality of pixels, a data driver to provide data voltages to the plurality of pixels and to sense threshold voltages of the pixels, and a driving controller to generate first difference values by calculating differences between the data voltages for first pixels included in an N-th pixel row and the data voltages for second pixels included in an (N+1)-th pixel row among the plurality of pixels in an initial driving period, to calculate limit offset values for the second pixels based on the first difference values, to generate threshold voltage compensation values for the second pixels based on the threshold voltages of the second pixels, and to compensate input image data for the second pixels based on the threshold voltage compensation values and the limit offset values, where N is an integer greater than 0.

公开(公告)号：US11569308B2

公开(公告)日：2023-01-31

申请号：US17157730

申请日：2021-01-25

Applicant: Samsung Display Co., Ltd.

Inventor： Hyunbae Park ,  Seunghee Lee ,  Wal Jun Kim ,  Kiwan Ahn ,  Joosun Yoon

IPC: H01L27/32 ,  H01L51/50 ,  H01L51/52

Abstract: A color-converting substrate includes a color-converting part including a wavelength-converting particle configured to change a wavelength of an incident light to emit a light having a color different from the incident light, a color filter pattern filtering the light emitted from the color-converting part, and a light-reflective layer disposed between the color-converting part and the color filter pattern to selectively reflect a light having a wavelength same as the wavelength of the incident light.

公开(公告)号：US20220077274A1

公开(公告)日：2022-03-10

申请号：US17526348

申请日：2021-11-15

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： JUCHAN PARK ,  Sunho Kim ,  Younggug Seol ,  Sunhee Lee ,  Joosun Yoon ,  Jonghyuk Lee ,  Jonghyun Choi

IPC: H01L27/32 ,  H01L27/12 ,  H01L51/52 ,  G09G3/3291 ,  G09G3/3266 ,  G09G3/3258 ,  H01L51/00

Abstract: A display device includes a substrate including a display area and a peripheral area disposed outside of the display area. The display area includes a plurality of pixels. The display device further includes an inorganic insulating layer disposed in the display area. The inorganic insulating layer includes a groove disposed in a region between the plurality of pixels. The display device further includes an organic material layer filling the groove, a first connection wiring, and a second connection wiring. The first connection wiring is disposed on the organic material layer, overlaps the plurality of pixels, and extends in a second direction. The second connection wiring is insulated from the first connection wiring, and extends in a first direction that crosses the second direction.

公开(公告)号：US10937854B2

公开(公告)日：2021-03-02

申请号：US16409456

申请日：2019-05-10

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Yun-mo Chung ,  Tak-young Lee ,  Joosun Yoon

IPC: G09G3/3233 ,  H01L27/32 ,  G09G3/3266 ,  H01L27/02 ,  H01L51/52

Abstract: An organic light emitting display apparatus includes a base layer, a circuit element layer, a display element layer, an encapsulation layer, and a sealing member. The circuit element layer includes a power supply line on the base layer and an auxiliary power supply pattern on and connected to the power supply line. The display element layer includes a first electrode, a light emitting layer, and a second electrode, which are sequentially stacked on the circuit element layer. The second electrode is electrically connected to the auxiliary power supply pattern. The sealing member is between the circuit element layer and the encapsulation layer to overlap with the auxiliary power supply pattern when viewed in a plan view.

公开(公告)号：US11908423B2

公开(公告)日：2024-02-20

申请号：US17864764

申请日：2022-07-14

Applicant: Samsung Display Co., Ltd.

Inventor： Boyong Chung ,  Jonghee Kim ,  Hyuk Kim ,  Joosun Yoon ,  Tak-Young Lee

IPC: G09G3/3291 ,  G09G3/3266 ,  G09G3/3275 ,  G09G3/3258

CPC classification number: G09G3/3291 ,  G09G3/3266 ,  G09G3/3275 ,  G09G3/3258 ,  G09G2310/0272 ,  G09G2330/025 ,  G09G2330/026 ,  G09G2330/027 ,  G09G2330/028

Abstract: A display device includes a display panel including a plurality of pixels, a gate driver which provides a gate signal to corresponding pixels of the plurality of pixels, a data driver which provides a data voltage to the corresponding pixels of the plurality of pixels, a power voltage generator which provides a pixel power voltage to each of the plurality of pixels, and provides a gate power voltage to the gate driver, and a controller which provides a gate control signal to the gate driver. The pixel power voltage, the data voltage, and the gate control signal sequentially have a ground voltage level in response to a power-off signal.

公开(公告)号：US11211582B2

公开(公告)日：2021-12-28

申请号：US15383254

申请日：2016-12-19

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Taehyun Kim ,  Seunghwan Cho ,  Sangho Park ,  Seungmin Lee ,  Jungkyu Lee ,  Joosun Yoon ,  Jangdoo Lee

IPC: H01L51/52 ,  H01L27/32 ,  H01L51/50

Abstract: A thin film transistor is disposed on a substrate. A via insulating layer having a via hole covers the thin film transistor. A pixel electrode is disposed on the via insulating layer and electrically connected to the thin film transistor through the via hole. A first protection layer surrounds the pixel electrode. A pixel-defining layer covers an edge region of the pixel electrode and at least a portion of the first protection layer. The pixel-defining layer includes an opening through which an upper surface of the pixel electrode is exposed. An opposite electrode faces the pixel electrode. An intermediate layer is disposed between the pixel electrode and the opposite electrode.

公开(公告)号：US11018210B2

公开(公告)日：2021-05-25

申请号：US17019152

申请日：2020-09-11

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jonghyun Choi ,  Kinyeng Kang ,  Sunkwang Kim ,  Joosun Yoon

IPC: H01L27/32 ,  G09G3/20 ,  G09G3/3225 ,  H01L21/28 ,  H01L51/52 ,  G04C17/00

Abstract: A display device includes a substrate including a first surface, and a second surface opposite the first surface, and defining a through portion passing therethrough, a pixel array including a plurality of pixels surrounding the through portion at the first surface, a plurality of scan lines extending along a first direction for providing scan signals to the pixels, and a plurality of data lines extending along a second direction crossing the first direction for providing data signals to the pixels, the plurality of data lines including first and second data lines adjacent the through portion at different layers, and having at least a portion thereof curved along a perimeter of the through portion.

公开(公告)号：US10756150B2

公开(公告)日：2020-08-25

申请号：US15834711

申请日：2017-12-07

Applicant: Samsung Display Co., Ltd.

Inventor： Sun Hee Lee ,  Younggug Seol ,  Sunho Kim ,  Sangho Park ,  Juchan Park ,  Joosun Yoon ,  Jonghyuk Lee

IPC: H01L27/32 ,  H01L51/52 ,  H01L51/00 ,  H01L29/78 ,  H01L29/786 ,  H01L27/12 ,  H01L27/148 ,  H01L27/146

Abstract: A thin-film transistor substrate may include a substrate, a transistor on the substrate, and including an active pattern, and a gate electrode insulated from the active pattern, and a first protection member on the transistor, and overlapping the transistor in a plan view.

公开(公告)号：US10566402B2

公开(公告)日：2020-02-18

申请号：US15080388

申请日：2016-03-24

Applicant: Samsung Display Co., Ltd.

Inventor： Seunghwan Cho ,  Sangho Park ,  Donghwan Shim ,  Kiwan Ahn ,  Joosun Yoon

IPC: H01L27/32 ,  H01L51/56

Abstract: An organic light-emitting diode (OLED) display is disclosed. In one aspect, the display includes a plurality of pixels, each pixel including a driving circuit that includes a driving transistor and a storage capacitor electrically connected to the driving transistor. The driving transistor includes a driving active layer and a first electrode, the first electrode insulated from the driving active layer and disposed over at least a portion of the driving active layer. The storage capacitor includes a first capacitor including the first electrode and a second electrode facing the first electrode and a second capacitor comprising the second electrode and a third electrode facing the second electrode.