公开(公告)号：US12218142B2

公开(公告)日：2025-02-04

申请号：US18508227

申请日：2023-11-13

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Ki Hyun Kim ,  Young Gil Park ,  Jin Suk Lee ,  Jai Sun Kyoung ,  Sug Woo Jung

IPC: H01L27/12 ,  H01L21/02 ,  H10K59/121 ,  H10K77/10

Abstract: A display device includes: a substrate; a polycrystalline silicon film on the substrate; and a first buffer film between the substrate and the polycrystalline silicon film and having one surface contacting the polycrystalline silicon film and another surface opposite to the one surface, wherein the one surface of the first buffer film has a first root mean square (RMS) roughness range, and the first RMS roughness range is 1.5 nm or less.

公开(公告)号：US12218115B2

公开(公告)日：2025-02-04

申请号：US17575099

申请日：2022-01-13

Applicant: Samsung Display Co., LTD.

Inventor： Young Min Park ,  Hyuk Hwan Kim

IPC: H01L25/16 ,  H10K50/858 ,  H10K50/86 ,  H10K59/122

Abstract: A display device includes a display element part disposed on a substrate, the display element part including a light emitting element, and an upper film layer disposed on the display element part, the upper film layer including an anti-electrostatic pattern. The anti-electrostatic pattern includes a conductive pattern and an anti-reflection pattern, and the conductive pattern and the anti-reflection pattern overlap each other.

公开(公告)号：US12217703B2

公开(公告)日：2025-02-04

申请号：US18366762

申请日：2023-08-08

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： So-Young Park ,  Soongyu Lee

IPC: G09G3/32 ,  G06F3/044 ,  G09G3/3275

Abstract: An electronic device includes a display layer configured to display an image, a sensor layer disposed on the display layer and including a plurality of first electrodes and a plurality of second electrodes, and a sensor driver configured to drive the sensor layer and selectively operate in a first mode or a second mode different from the first mode. When operating in the second mode, the sensor driver is configured to selectively operate in a first driving mode to simultaneously output a plurality of first transmission signals to the plurality of first electrodes or in a second driving mode to simultaneously output a plurality of second transmission signals different from the plurality of first transmission signals to the plurality of first electrodes.

公开(公告)号：US12217699B2

公开(公告)日：2025-02-04

申请号：US18502554

申请日：2023-11-06

Applicant: Samsung Display Co., Ltd.

Inventor： Gyungsoon Park ,  Sunhwa Lee ,  Hyunjoon Kim ,  Jaeyong Jang ,  Kyunghoon Chung

IPC: G09G3/3266 ,  G09G3/36 ,  H10K59/121 ,  H10K59/123 ,  H10K59/131

Abstract: A display apparatus includes a pixel part including a plurality of pixels, and a gate driving circuit. Each of the plurality of pixels is driven in one first scan period and one or more second scan periods during one frame in a driving mode driven at a first driving frequency lower than a maximum driving frequency.

公开(公告)号：US12217694B2

公开(公告)日：2025-02-04

申请号：US16849882

申请日：2020-04-15

Applicant: Samsung Display Co., Ltd.

Inventor： Keun Woo Kim ,  Mee Jae Kang ,  Doo Na Kim ,  Yun Jung Oh ,  Yong Su Lee ,  Jae Hwan Chu

IPC: G09G3/3266 ,  G09G3/20 ,  H01L27/12

Abstract: A display device includes: a plurality of pixels connected to gate lines and data lines; a gate driver to supply a gate signal to the gate lines; and a data driver to supply a data signal to the data lines. The gate driver includes: a first transistor including a first active layer at a first layer; and a second transistor including a second active layer at a second layer on the first layer.

公开(公告)号：US12217692B2

公开(公告)日：2025-02-04

申请号：US18119419

申请日：2023-03-09

Applicant: Samsung Display Co., Ltd.

Inventor： Ji Su Na ,  Joong-Soo Moon ,  Chae Han Hyun ,  Yang Wan Kim

IPC: G09G3/325 ,  G09G3/3266 ,  G09G3/3291

Abstract: An organic light emitting diode (“OLED”) display includes a semiconductor layer on a substrate, first and second signal lines on the semiconductor layer, a shield layer on the first and second signal lines, a data line on the shield layer, and an OLED on the data line, where the transistor includes a driving transistor, a second transistor connected to the first signal line and the data line, and a third transistor including a gate electrode connected to the first signal line, a third electrode connected to a second electrode of the driving transistor, and a fourth electrode connected to a gate electrode of the driving transistor, the shield layer includes an overlapped portion overlapping at least a part of the connection portion and non-overlaps the second transistor, and the shield layer is separated from the first and second signal lines with a gap therebetween in a plan view.

公开(公告)号：US12217685B2

公开(公告)日：2025-02-04

申请号：US18450786

申请日：2023-08-16

Applicant: Samsung Display Co., Ltd.

Inventor： Heerim Song ,  Cheol-Gon Lee ,  Mukyung Jeon

IPC: G09G3/3233 ,  G06F3/041 ,  G06F3/042 ,  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. A sensor driving circuit included in at least one of sensors includes a reset transistor configured to output a reset signal to a first sensing node in response to a reset control signal, an amplification transistor connected to first and second sensing nodes and configured to receive a sensor driving voltage, a first output transistor connected between the second sensing node and a readout line and configured to receive a first output control signal, and a second output transistor connected between the second sensing node and the readout line and configured to receive a second output control signal.

公开(公告)号：US12217680B2

公开(公告)日：2025-02-04

申请号：US18359965

申请日：2023-07-27

Applicant: Samsung Display Co., LTD.

Inventor： Dong Hee Shin ,  Sun Kwun Son ,  Sang Yong No

IPC: G09G3/32 ,  G09G3/3233 ,  G09G3/3283

Abstract: A display device includes a first vertical power line extending in a first direction and receiving a first power source; and a first horizontal power line extending in a second direction intersecting the first direction between a first pixel and a second pixel and receiving the first power source, each of the first pixel and the second pixel includes first to third sub-pixels sequentially disposed in the first direction, the first pixel includes a first common pattern between the first sub-pixel and the second sub-pixel extending in the second direction, the first sub-pixel of the first pixel and the second sub-pixel of the first pixel share the first common pattern and are connected to the first vertical power line, and the third sub-pixel of the first pixel shares the first horizontal power line with the first sub-pixel of the second pixel.

公开(公告)号：US12216859B2

公开(公告)日：2025-02-04

申请号：US17833919

申请日：2022-06-07

Applicant: Samsung Display Co., LTD.

Inventor： Soon Gyu Lee

IPC: G09G5/00 ,  G06F3/041 ,  G06F3/044 ,  H10K59/40

Abstract: A display device includes a display panel. The display panel includes pixels. A sensor layer overlaps the display panel and includes sensors. A sensor driver is configured to transmit a driving signal to the sensors and receive sensing signals from the sensors. The sensor driver is configured to transmit a first driving signal to the sensors to detect a first sensing area where a touch occurs in a first mode, and to transmit a second driving signal to at least a portion of the sensors corresponding to a second sensing area different from the first sensing area in a second mode.

公开(公告)号：US12216825B2

公开(公告)日：2025-02-04

申请号：US17896254

申请日：2022-08-26

Applicant: Samsung Display Co., Ltd.

Inventor： Yi Joon Ahn ,  Jung Hun Noh ,  Jae Woo Im

IPC: G06F3/01 ,  G06F1/16 ,  H04M1/02 ,  H04R1/24 ,  H04R3/12 ,  H10N30/20 ,  G06F3/16 ,  H04M1/03 ,  H04R1/02 ,  H04R17/00

Abstract: A display device includes a display panel displaying an image, a lower frame disposed under the display panel, a first vibration element attached to a lower surface of the display panel and which generates a first vibration based on a first vibration signal, a second vibration element disposed under the lower frame and which generates a second vibration based on a second vibration signal, and a first vibration driver circuit which provides the first vibration signal to the first vibration element, where a phase of the second vibration signal is opposite to a phase of the first vibration signal.