公开(公告)号：US11423846B2

公开(公告)日：2022-08-23

申请号：US17240111

申请日：2021-04-26

Applicant: Samsung Display Co., Ltd.

Inventor： Changnoh Yoon ,  Sangan Kwon ,  Soon-Dong Kim ,  Taehoon Kim ,  Hui Nam ,  Eun Sil Yun ,  Seungjae Lee

IPC: G09G3/3275 ,  G09G3/3266

Abstract: A display device includes a display panel, a data driving circuit which drives a plurality of data lines, a scan driving circuit which drives a plurality of scan lines, and a driving controller which controls the data driving circuit and the scan driving circuit such that the display panel is divided into a first display region and a second display region during a multi-frequency mode and the first display region and the second display region are respectively operated at different frequencies, where the driving controller changes an operation mode to a normal mode when a still image and a moving image are simultaneously displayed in the first display region during the multi-frequency mode and the duration of the still image reaches a predetermined time.

公开(公告)号：US11244989B2

公开(公告)日：2022-02-08

申请号：US16928869

申请日：2020-07-14

Applicant: Samsung Display Co., Ltd.

Inventor： Seungwoo Seo ,  Seungjae Lee ,  Ji Hwang Lee ,  Sohra Han

IPC: G06F3/044 ,  H01L27/32 ,  H01L51/52

Abstract: A display device includes a base layer, a circuit layer, a light emitting element layer, and a thin film encapsulation layer. The base layer includes a display area and a non-display area. The circuit layer includes a plurality of insulating layers, at least one of which has an opening. The light emitting element layer includes a light emitting area overlapping the display area, a valley area overlapping the opening and having a concave shape, and a peak area overlapping the non-display area and being on the circuit layer. The thin film encapsulation layer includes an organic encapsulation layer that covers the light emitting area, the valley area, and at least a portion of the peak area.

公开(公告)号：US20180287085A1

公开(公告)日：2018-10-04

申请号：US15846015

申请日：2017-12-18

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jaeheung Ha ,  Jongwoo Kim ,  Byoungduk Lee ,  Seungjae Lee ,  Yoonhyeung Cho ,  Youngcheol Joo

IPC: H01L51/50 ,  B32B27/06 ,  C23C14/32 ,  C23C14/54 ,  H01L31/049 ,  H01L51/52

Abstract: A display device includes a organic light emitting device and an encapsulation structure disposed on the organic light emitting device that seals the organic light emitting device. The encapsulation structure includes a first inorganic encapsulation layer disposed on the organic light emitting device, an organic layer disposed on the first inorganic encapsulation layer, and a second inorganic encapsulation layer disposed on the organic layer. The organic layer includes a first organic layer disposed on the first inorganic encapsulation layer and a second organic layer disposed on the first organic layer. An atomic ratio of carbon to silicon in the first organic layer is less than an atomic ratio of carbon to silicon in the second organic layer.

公开(公告)号：US12046198B2

公开(公告)日：2024-07-23

申请号：US17981599

申请日：2022-11-07

Applicant: Samsung Display Co., Ltd.

Inventor： Sangan Kwon ,  Hui Nam ,  Soon-Dong Kim ,  Changnoh Yoon ,  Seungjae Lee

IPC: G09G3/3233 ,  G09G3/00 ,  G09G5/14

CPC classification number: G09G3/3233 ,  G09G5/14 ,  G09G3/035 ,  G09G2300/0426 ,  G09G2300/0819 ,  G09G2310/0213 ,  G09G2320/10

Abstract: A display device includes a plurality of pixels arranged in m rows and n columns, where the pixels receive write scan signals, data voltages and compensation scan signals, a plurality of write scan lines which provides the write scan signals to the pixels, a plurality of data lines which provides the data voltages to the pixels, and a plurality of compensation scan lines which provides the compensation scan signals to the pixels, wherein in h-th to p-th frames, the data voltages are applied to pixels arranged in first to i-th rows, and in h-th to (h+k)-th frames, the data voltages are applied to pixels of a row unit by increasing sequentially the number of the row unit to which the data voltages are applied in at least one row unit from an i-th row to an (i+1)-th row.

公开(公告)号：US11974450B2

公开(公告)日：2024-04-30

申请号：US17136743

申请日：2020-12-29

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Seungjae Lee ,  Hyesoo Jee ,  Wongeun Lee ,  Hansoo Kim ,  Kyungmin Park

IPC: H10K50/842 ,  H10K59/122

CPC classification number: H10K50/8423 ,  H10K59/122

Abstract: The present disclosure provides a display panel including a first substrate, pixels arranged on the first substrate and configured to define a display area, a second substrate facing the first substrate, an insulating layer on the first substrate and including an edge that is closer to the display area than an edge of the first substrate, a conductive layer on the insulating layer, and a sealing member between the first substrate and the second substrate and surrounding the display area.

公开(公告)号：US11854496B2

公开(公告)日：2023-12-26

申请号：US17981762

申请日：2022-11-07

Applicant: Samsung Display Co., Ltd.

Inventor： Soon-Dong Kim ,  Sangan Kwon ,  Changnoh Yoon ,  Seungjae Lee

IPC: G09G3/3291 ,  G09G3/3266

CPC classification number: G09G3/3291 ,  G09G3/3266 ,  G09G2310/027 ,  G09G2320/0285

Abstract: The display device includes a display panel in which a first display area and a second display area adjacent to the first display area are defined, a data driving circuit which drives the plurality of data lines, a scan driving circuit which drives the plurality of scan lines, and a driving controller which receives an image signal and a control signal, and controls the data driving circuit and the scan driving circuit based on an operation mode, where the driving controller includes a luminance deviation compensation unit which compensates for luminance deviation of the first display area and the second display area when the operation mode is a multi-frequency mode in which the first display area is driven at a first frequency and the second display area is driven at a second frequency different from the first frequency.

公开(公告)号：US11711935B2

公开(公告)日：2023-07-25

申请号：US17221703

申请日：2021-04-02

Applicant: Samsung Display Co., Ltd.

Inventor： Seokhoon Seo ,  Seungjae Lee

IPC: H10K50/822 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K50/844 ,  H10K59/131 ,  H10K71/00 ,  H10K59/122 ,  H10K59/124

CPC classification number: H10K50/822 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K50/171 ,  H10K50/844 ,  H10K59/131 ,  H10K71/00 ,  H10K59/122 ,  H10K59/124

Abstract: A display panel includes: a display area and a peripheral area outside the display area; a substrate; a plurality of pixel electrodes spaced apart from each other on the substrate in the display area; a plurality of emission layers respectively arranged on the plurality of pixel electrodes; an opposite electrode on the plurality of emission layers and overlapping the display area; and a thin-film encapsulation layer on the opposite electrode and comprising at least one organic encapsulation layer and at least one inorganic encapsulation layer, wherein edges of the opposite electrode comprise a concave edge recessed from the peripheral area toward the display area and a convex edge protruding from the display area toward the peripheral area in a plan view.

公开(公告)号：US20220076634A1

公开(公告)日：2022-03-10

申请号：US17326570

申请日：2021-05-21

Applicant: Samsung Display Co., Ltd.

Inventor： Changnoh Yoon ,  Soon-Dong Kim ,  Sangan Kwon ,  Seungjae Lee ,  Junheyung Jung

IPC: G09G3/3275 ,  G09G3/3266

Abstract: A display device includes a display panel including pixels connected to data lines and scan lines, a data driving circuit which drives the data lines, a scan driving circuit which drives the scan lines, and a driving controller divides the display panel into first and second display regions, controls the data driving circuit and the scan driving circuit to drive the first display region at a first driving frequency and to drive the second display region at a second driving frequency lower than the first driving frequency, and sets third driving frequencies respectively corresponding to horizontal lines in a boundary region, which is defined by a portion of the second display region adjacent to the first display region, during a multi-frequency mode. Each of the third driving frequencies has a frequency level between the first driving frequency and the second driving frequency.

公开(公告)号：US11062656B2

公开(公告)日：2021-07-13

申请号：US16931966

申请日：2020-07-17

Applicant: Samsung Display Co., Ltd.

Inventor： Seungjae Lee ,  Soon-Dong Kim ,  Changnoh Yoon ,  Jun Heyung Jung

IPC: G09G3/3258 ,  G09G3/3291 ,  G09G3/00

Abstract: A display apparatus includes: a display panel comprising a gate line, a data line and a plurality of display areas; a gate driver configured to output a gate signal to the gate line; a data driver configured to output a data voltage to the data line; a time sensor configured to sense an operation time of the display panel; and a voltage controller configured to adjust a back gate voltage according to the operation time sensed by the time sensor and the display areas.

公开(公告)号：US20190288235A1

公开(公告)日：2019-09-19

申请号：US16421187

申请日：2019-05-23

Applicant: Samsung Display Co., Ltd.

Inventor： Minho Oh ,  Jongwoo Kim ,  Jiyoung Moon ,  Seungjae Lee ,  Yoonhyeung Cho ,  Youngcheol Joo ,  Jaeheung Ha

IPC: H01L51/52 ,  H01L27/12 ,  H01L27/32 ,  H01L51/56 ,  G02F1/1362

Abstract: A display device includes a display substrate including at least one step portion, and a thin film encapsulation layer above the display substrate, the thin film encapsulation layer including a buffer layer configured to reduce a height difference due to the at least one step portion and a barrier layer above the buffer layer, the buffer layer including a plurality of sub-layers and interfaces between the plurality of sub-layers, and the interfaces including a curved surface changing from a concave shape to a convex shape toward a portion overlapping the step portion from an outer portion of the step portion.