公开(公告)号：US20240412693A1

公开(公告)日：2024-12-12

申请号：US18809281

申请日：2024-08-19

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： WONJUN LEE ,  CHOLHO KIM ,  MIHYEON JO

IPC: G09G3/3233 ,  G06V40/13

Abstract: A display device includes a plurality of pixels, each of which includes a light emitting element and a pixel driving circuit and a plurality of sensors, each of which includes a light receiving element and a sensor driving circuit. The sensor driving circuit includes a first reset transistor, a second reset transistor, a sensing capacitor, an amplification transistor, and an output transistor. The first reset transistor includes a first electrode receiving a reset voltage, a second electrode connected to a first sensing node, and a third electrode receiving a reset control signal. The second reset transistor includes a first electrode receiving the reset voltage, a second electrode connected to a second sensing node, and a third electrode receiving the reset control signal. The sensing capacitor is positioned between the first sensing node and the second sensing node.

公开(公告)号：US20240411415A1

公开(公告)日：2024-12-12

申请号：US18809278

申请日：2024-08-19

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Ki Cheol KIM ,  Gyeong Nam BANG ,  Hwan Hee JEONG

IPC: G06F3/045

Abstract: A display device including a substrate having an active area and a non-active area and including a pad region and a bending region disposed between the active area and the pad region, light-emitting elements disposed on the substrate, and a touch layer having a main touch area corresponding to the active area, in which the touch layer includes touch electrodes disposed in the main touch area and touch lines connected to the touch electrodes, the main touch area corresponding to the active area and a portion of the touch lines corresponding to the non-active area, and the touch lines include a first touch line part disposed on an upper portion of the bending region, and a second touch line part disposed on a lower portion of the bending region, the upper portion of the bending region disposed between the active area and the lower portion of the bending region.

公开(公告)号：US20240411405A1

公开(公告)日：2024-12-12

申请号：US18596873

申请日：2024-03-06

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Seung Rok LEE

IPC: G06F3/041 ,  G06F3/044

Abstract: An inspection method including: determining first test correction capacitances using mutual capacitances of a first test boundary line channel of a test panel and a candidate coefficient; determining second test correction capacitances using mutual capacitances of a second test boundary line channel of the test panel and the candidate coefficient; determining test channel gaps of the first test boundary line channel using the first and second test correction capacitances; determining reference channel gaps based on mutual capacitances of a test non-boundary line channel; determining the candidate coefficient as a correction coefficient based on the reference and test channel gaps; determining first correction capacitances of a first boundary line channel of the touch panel; determining second correction capacitances of the second boundary line channel of the touch panel; determining channel gaps of the first boundary line channel using the first and second correction capacitances; and inspecting the first boundary line channel.

公开(公告)号：US20240411193A1

公开(公告)日：2024-12-12

申请号：US18807910

申请日：2024-08-16

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Sung Jin HONG ,  Sang Hoon KIM ,  Tae Hoon YANG ,  Seung Chan LEE

IPC: G02F1/155 ,  G02F1/1343 ,  H10K59/131

Abstract: A display device includes a substrate including a display area including a plurality of main pixels, and a sensor area including a plurality of auxiliary pixels and a plurality of transmission portions; and a plurality of wirings arranged along edges of the plurality of transmission portions and electrically connecting the plurality of auxiliary pixels to each other. The plurality of wrings includes a first directional wirings extending in a first direction and arranged in a second direction crossing the first direction, and a second directional wirings extending in the second direction and arranged in the first direction, and a wiring adjacent to the transmission portion from among the first directional wirings includes a first extension portion.

公开(公告)号：US20240408894A1

公开(公告)日：2024-12-12

申请号：US18442110

申请日：2024-02-15

Applicant: Samsung Display Co., Ltd.

Inventor： Jeong Woo MOON ,  Sung Yong KANG ,  GOUNAM PARK ,  JIHOON KIM ,  Jong Sung YOU

IPC: B41J3/407 ,  B41J29/377

Abstract: An inkjet printing apparatus according to an embodiment includes a stage for supporting a substrate and an inkjet head disposed above the stage and discharging resin toward the stage. The stage includes a first stage part having a first thermal conductivity, and a second stage part disposed around the first stage part and surrounding at least a portion of the first stage part, wherein the second stage part has a second thermal conductivity that is greater than the first thermal conductivity.

公开(公告)号：US12167683B2

公开(公告)日：2024-12-10

申请号：US17027113

申请日：2020-09-21

Applicant: Samsung Display Co., Ltd.

Inventor： Tetsuji Hayano

IPC: H01L51/00 ,  C07F5/02 ,  C09K11/06 ,  H10K85/60 ,  H10K50/11 ,  H10K101/10

Abstract: An organic electroluminescence device includes a first electrode, a hole transport region disposed on the first electrode, an emission layer disposed on the hole transport region, an electron transport region disposed on the emission layer, and a second electrode disposed on the electron transport region. The emission layer includes a polycyclic compound represented by Formula 1 to thereby achieve high luminous efficiency:

公开(公告)号：US12167667B2

公开(公告)日：2024-12-10

申请号：US17443417

申请日：2021-07-26

Applicant: Samsung Display Co., Ltd.

Inventor： Soyeon Joo ,  Hanho Park ,  Jeongeun Park ,  Jeongmin Ban ,  Joongmok Lee ,  Chungseok Lee ,  Seoungbum Pyoun

IPC: H10K71/00

Abstract: An apparatus for manufacturing a display device, includes: a stage; a temperature controlling portion on the stage, and to receive a member seated on the temperature controlling portion; and a jig portion facing the temperature controlling portion, the jig portion to move linearly, and to receive an adhesive member. The jig portion includes: a first support plate; a second support plate facing the first support plate; and a pressurization plate on the first support plate and the second support plate, the pressurization plate to receive the adhesive member thereon. An end of the pressurization plate is spaced further from the member than an end of the first support plate and an end of the second support plate when the member is seated on the temperature controlling portion.

公开(公告)号：US12167658B2

公开(公告)日：2024-12-10

申请号：US18368569

申请日：2023-09-15

Applicant: Samsung Display Co., Ltd.

Inventor： Sunghwan Kim ,  Wonkyu Kwak

IPC: H01L29/08 ,  H10K59/121 ,  H10K59/124 ,  H10K59/131 ,  H10K59/65

Abstract: A display apparatus in which a display area is expanded so that an image may be displayed even in an area where components are arranged is provided. The display apparatus includes a substrate including a first area in which a transmissive portion is located and a second area adjacent to the first area, a pixel circuit unit arranged in the first area and including a pixel circuit, a first pixel electrode arranged in the first area and electrically connected to the pixel circuit, the first pixel electrode having a first portion overlapping the pixel circuit unit and a second portion not overlapping the pixel circuit unit, and a metal pattern layer arranged between the substrate and the first pixel electrode and corresponding to the second portion.

公开(公告)号：US12167655B2

公开(公告)日：2024-12-10

申请号：US18136817

申请日：2023-04-19

Applicant: Samsung Display Co., Ltd.

Inventor： Sangmin Hong ,  Heeseong Jeong

IPC: H10K59/131 ,  G09G3/3233 ,  H01L27/12 ,  H10K50/813 ,  H10K59/121 ,  H10K59/122 ,  H10K59/123 ,  H10K59/124 ,  H10K59/173 ,  H10K59/35

Abstract: An organic light-emitting display device includes a plurality of pixels, each of which includes an organic light-emitting device including a pixel electrode, an organic emission layer, and an opposing electrode; a pixel defining layer covering an edge of the pixel electrode and being configured to define a light-emission region by having an opening which exposes a portion of the pixel electrode; and a reference line overlapping the pixel electrode with an insulating layer between the reference line and the pixel electrode and extending in a first direction. The reference line overlaps with a center point of the opening, and the opening is shifted to one side of the pixel electrode in a second direction perpendicular to the first direction.

公开(公告)号：US12167619B2

公开(公告)日：2024-12-10

申请号：US17380547

申请日：2021-07-20

Applicant: Samsung Display Co., Ltd.

Inventor： Hyomin Ko ,  Ilsoo Oh

IPC: H10K50/15 ,  H10K50/11 ,  H10K50/852 ,  H10K59/12 ,  H10K59/35 ,  H10K85/30 ,  H10K85/60 ,  H10K101/40 ,  H10K102/00

Abstract: Provided is an organic electroluminescence device including a first electrode, a hole transport region disposed on the first electrode, an emission layer disposed on the hole transport region, an electron transport region disposed on the emission layer, and a second electrode disposed on the electron transport region. The hole transport region includes a first hole transport layer disposed adjacent to the first electrode, the first hole transport layer including a first organic compound having a first dielectric constant and a second hole transport layer disposed between the first hole transport layer and the emission layer, the second hole transport layer including a second organic having a second dielectric constant which is greater than the first dielectric constant.