公开(公告)号：US11925092B2

公开(公告)日：2024-03-05

申请号：US18071151

申请日：2022-11-29

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Shintack Kang ,  Yujin Kim ,  Hyunseok Kim ,  Kunhee Jo

IPC: H10K59/38 ,  H10K50/844 ,  H10K59/12 ,  H10K71/00

CPC classification number: H10K59/38 ,  H10K50/844 ,  H10K59/12 ,  H10K71/00 ,  H10K59/1201

Abstract: A method of manufacturing a display apparatus includes: forming a display element layer above a lower substrate, where the display element layer includes first to third display elements; forming an encapsulation layer on the display element layer; forming first partition walls on the encapsulation layer to define first to third color regions, where the first to third color regions overlap the first to third display elements, respectively, in a view in a direction perpendicular to the lower substrate; forming second partition walls on the first partition walls; forming a quantum dot layer, which includes forming a second color quantum dot layer in the second color region and forming a third color quantum dot layer in the third color region; and removing the second partition walls.

公开(公告)号：US20230085978A1

公开(公告)日：2023-03-23

申请号：US18071151

申请日：2022-11-29

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Shintack Kang ,  Yujin Kim ,  Hyunseok Kim ,  Kunhee Jo

IPC: H01L27/32 ,  H01L51/52 ,  H01L51/56

Abstract: A method of manufacturing a display apparatus includes: forming a display element layer above a lower substrate, where the display element layer includes first to third display elements; forming an encapsulation layer on the display element layer; forming first partition walls on the encapsulation layer to define first to third color regions, where the first to third color regions overlap the first to third display elements, respectively, in a view in a direction perpendicular to the lower substrate; forming second partition walls on the first partition walls; forming a quantum dot layer, which includes forming a second color quantum dot layer in the second color region and forming a third color quantum dot layer in the third color region; and removing the second partition walls.

公开(公告)号：US20180061336A1

公开(公告)日：2018-03-01

申请号：US15635121

申请日：2017-06-27

Applicant: Samsung Display Co., Ltd.

Inventor： Taehyeong An ,  Jeongbong Lee ,  Yujin Kim ,  Gyuhun Han

IPC: G09G3/36

CPC classification number: G09G3/3614 ,  G09G3/3677 ,  G09G3/3688 ,  G09G2310/08 ,  G09G2320/0653 ,  G09G2340/0435

Abstract: A display apparatus including a display panel, a gate driving part and a data driving part. The display panel is configured to display an image, and includes a gate line and a data line. The gate driving part is configured to output a gate signal to the gate line. The data driving part is configured to output a data signal to the data line, and to change a transition time when the data signal transits from a low level to a high level, according to at least one of a change of an inversion method for driving the display panel, and a change of a frame frequency of the image.

公开(公告)号：US12213347B2

公开(公告)日：2025-01-28

申请号：US17574729

申请日：2022-01-13

Applicant: Samsung Display Co., Ltd.

Inventor： Yujin Kim ,  Dasom Kang ,  Shin Tack Kang

IPC: H01L27/32 ,  H01L51/50 ,  H01L51/52 ,  H10K50/115 ,  H10K50/844 ,  H10K59/122 ,  H10K59/38

Abstract: A display panel including: a display region including pixels and a non-display region, each pixel including an emission element including a first electrode, an emission layer, and a second electrode; a pixel definition layer including a first opening; a first encapsulation layer on the pixel definition layer and overlapping the emission element; a partition wall on the first encapsulation layer and including a second opening and a dummy opening; a light control pattern in the second opening; a second encapsulation layer on the partition wall and overlapping the light control pattern; and a color filter on the second encapsulation layer and overlapping the light control pattern, the second encapsulation layer includes: a first encapsulation inorganic layer on the partition wall; an encapsulation organic layer on the first encapsulation inorganic layer and including an edge overlapping the dummy opening; and a second encapsulation inorganic layer on the encapsulation organic layer.

公开(公告)号：US12156444B2

公开(公告)日：2024-11-26

申请号：US17447046

申请日：2021-09-07

Applicant: Samsung Display Co., Ltd.

Inventor： Shinhyuk Yang ,  Donghan Kang ,  Soonwook Hong ,  Yujin Kim ,  Jeehoon Kim ,  Hanhee Yoon

IPC: H10K50/84 ,  H10K59/12 ,  H10K59/13 ,  H10K59/131 ,  H10K50/844 ,  H10K59/121

Abstract: A display apparatus includes: a substrate including a display area, and a peripheral area; and a pad unit at the peripheral area, the pad unit including: a first conductive layer; a second conductive layer on the first conductive layer, and having a first opening; a third conductive layer on the second conductive layer, and having a second opening overlapping with the first opening, the second opening having an area less than an area of the first opening at a top surface of the second conductive layer; an organic protective layer filling the first opening, and having a third opening overlapping with the second opening; and an additional metal layer covering a top surface of the first conductive layer exposed through the first opening, an inner surface of the second opening, an inner surface of the third opening, and a portion of a top surface of the third conductive layer.

公开(公告)号：US20230395763A1

公开(公告)日：2023-12-07

申请号：US18206548

申请日：2023-06-06

Applicant: Samsung Display Co., Ltd.

Inventor： Junhan Lee ,  Yunha Ryu ,  Dasom Kang ,  Shintack Kang ,  Kyungbin Kim ,  Yujin Kim ,  Kisoo Park ,  Seungjun Yu ,  Hongmin Yoon

IPC: H01L33/58 ,  H01L33/50

CPC classification number: H01L33/58 ,  H01L33/502

Abstract: A display apparatus includes: a light-emitting device layer including a first light-emitting device; a light control layer arranged on the light-emitting device layer and including a first light control unit; and an optical functional layer arranged on the light control layer and configured to reduce near-infrared transmittance, wherein the first light-emitting device is configured to emit first-color light of a near-infrared region and the light control layer is configured to emit second-color light of a visible region.

公开(公告)号：US20170110068A1

公开(公告)日：2017-04-20

申请号：US15209655

申请日：2016-07-13

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jeongbong Lee ,  Yujin Kim

IPC: G09G3/34 ,  G09G3/36

CPC classification number: G09G3/3648 ,  G09G3/342 ,  G09G2300/0426 ,  G09G2320/0233 ,  G09G2320/064 ,  G09G2320/0646 ,  G09G2320/0653

Abstract: There is provided a backlight unit including a backlight configured to generate light, and a backlight driving circuit configured to drive the backlight in a dimming mode on a basis of a dimming signal, the backlight driving circuit including a first comparator configured to detect a frequency of the dimming signal and to compare the frequency of the dimming signal with a reference frequency to determine a compared result, and a driver configured to selectively drive the backlight, based on the compared result, in an analog dimming mode in which a driving current of the backlight is controlled, or a mixed dimming mode by mixing the analog dimming mode and a digital dimming mode in which an on state and an off state of the backlight is controlled.

公开(公告)号：US20230209926A1

公开(公告)日：2023-06-29

申请号：US17951977

申请日：2022-09-23

Applicant: Samsung Display Co., Ltd.

Inventor： Shinhyuk Yang ,  Donghan Kang ,  Yujin Kim ,  Jeehoon Kim ,  Junki Lee

IPC: H01L27/32 ,  H01L23/00 ,  H01L51/56

CPC classification number: H01L27/3276 ,  H01L24/05 ,  H01L51/56 ,  H01L2227/323 ,  H01L2224/0345 ,  H01L2224/03614 ,  H01L2224/0381 ,  H01L2224/05573 ,  H01L2224/05016 ,  H01L2224/05027 ,  H01L2224/05083 ,  H01L2224/05187 ,  H01L2224/05188 ,  H01L2224/05166 ,  H01L2224/0518 ,  H01L2224/05184 ,  H01L2224/05147 ,  H01L2224/05557 ,  H01L2224/05686 ,  H01L2924/0549 ,  H01L2224/05571 ,  H01L2224/05562 ,  H01L2924/0542 ,  H01L2924/0543

Abstract: A display apparatus is disclosed that includes a substrate, a display element, a transistor, and a pad. The substrate includes a display area and a peripheral area. The display element is disposed on the display area. The transistor is electrically connected to the display element. The pad is disposed on the peripheral area and having a multilayered structure. The pad includes a pad metal layer, a first pad protective layer disposed on the pad metal layer, and a second pad protective layer interposed between the pad metal layer and the first pad protective layer. The second pad protective layer includes a different material from the first pad protective layer. The transistor includes a semiconductor layer disposed on the substrate, a gate electrode disposed on a gate insulating layer that covers the semiconductor layer, and a connection electrode arranged on an interlayer insulating layer covering the gate electrode. The connection electrode has the same multilayered structure as the multilayered structure of the pad, and the connection electrode is connected to the semiconductor layer.

公开(公告)号：US11527581B2

公开(公告)日：2022-12-13

申请号：US17136690

申请日：2020-12-29

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Shintack Kang ,  Yujin Kim ,  Hyunseok Kim ,  Kunhee Jo

IPC: H01L21/00 ,  H01L27/32 ,  H01L51/52 ,  H01L51/56

Abstract: A method of manufacturing a display apparatus includes: forming a display element layer above a lower substrate, where the display element layer includes first to third display elements; forming an encapsulation layer on the display element layer; forming first partition walls on the encapsulation layer to define first to third color regions, where the first to third color regions overlap the first to third display elements, respectively, in a view in a direction perpendicular to the lower substrate; forming second partition walls on the first partition walls; forming a quantum dot layer, which includes forming a second color quantum dot layer in the second color region and forming a third color quantum dot layer in the third color region; and removing the second partition walls.

公开(公告)号：US10684713B2

公开(公告)日：2020-06-16

申请号：US15482268

申请日：2017-04-07

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyeyoung Ryu ,  Yujin Kim ,  Soyeon Park ,  Yousik Shin

IPC: G06F3/041 ,  G06F3/044 ,  H01L27/12 ,  H01L29/66 ,  G02F1/1333 ,  G02F1/1343 ,  G02F1/1362 ,  H01L29/786

Abstract: A display device includes: a substrate; a touch electrode disposed on the substrate; a routing wiring disposed on the touch electrode; a light blocking layer disposed on the touch electrode; a semiconductor layer disposed on the light blocking layer; a source electrode and a drain electrode spaced apart from each other and disposed on the semiconductor layer; and a gate electrode disposed on the source electrode and the drain electrode.