公开(公告)号：US12039937B2

公开(公告)日：2024-07-16

申请号：US18064801

申请日：2022-12-12

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Sung Hwan Kim ,  Won Kyu Kwak ,  Jung Hoon Shim ,  Yun Kyeong In

IPC: G09G3/3266

CPC classification number: G09G3/3266 ,  G09G2300/0876

Abstract: A display device includes: a display unit including a first display area, and a second display area; a scan driver configured to provide a scan signal to each scan line connected to the plurality of first pixels and the plurality of second pixels; and an emission controller configured to provide an emission control signal to each emission control line connected to the plurality of first pixels and the plurality of second pixels, wherein the plurality of first pixels have a first density in the first display area, the plurality of second pixels have a second density less than the first density in the second display area, and the plurality of second pixels include at least one sub pixel including one boosting capacitor.

公开(公告)号：US11921946B2

公开(公告)日：2024-03-05

申请号：US17821455

申请日：2022-08-22

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Do Ik Kim ,  Gwang Bum Ko ,  Sung Hwan Kim

IPC: G06F3/041 ,  G06F3/043 ,  H10K50/84 ,  H10K59/40 ,  H10N30/30 ,  G06F3/044 ,  G06F3/046 ,  H10K59/12

CPC classification number: G06F3/0414 ,  G06F3/04144 ,  G06F3/0416 ,  G06F3/043 ,  H10K50/841 ,  H10K59/40 ,  H10N30/302 ,  G06F3/0412 ,  G06F3/044 ,  G06F3/046 ,  G06F2203/04101 ,  G06F2203/04105 ,  H10K59/12

Abstract: A display device that senses externally applied pressure and a change in the resonant frequency of a piezoelectric element. The display device includes a piezoelectric sensor layer including a piezoelectric sensor; and a display panel disposed on the piezoelectric sensor layer. The piezoelectric sensor includes: a piezoelectric element having a first electrode, a second electrode facing the first electrode, and a piezoelectric material disposed between the first electrode and the second electrode; an alternating current (AC) voltage generator connected to the first electrode and applies a voltage having a resonance frequency to the piezoelectric element. A sensing circuit connected to the second electrode is configured to measure a change in impedance of the piezoelectric element.

公开(公告)号：US11527206B2

公开(公告)日：2022-12-13

申请号：US17145638

申请日：2021-01-11

Applicant: Samsung Display Co., Ltd.

Inventor： Sung Hwan Kim ,  Won Kyu Kwak ,  Jung Hoon Shim ,  Yun Kyeong In

IPC: G09G3/3266

Abstract: A display device includes: a display unit including a first display area, and a second display area; a scan driver configured to provide a scan signal to each scan line connected to the plurality of first pixels and the plurality of second pixels; and an emission controller configured to provide an emission control signal to each emission control line connected to the plurality of first pixels and the plurality of second pixels, wherein the plurality of first pixels have a first density in the first display area, the plurality of second pixels have a second density less than the first density in the second display area, and the plurality of second pixels include at least one sub pixel including one boosting capacitor.

公开(公告)号：US11468826B2

公开(公告)日：2022-10-11

申请号：US17339808

申请日：2021-06-04

Applicant: Samsung Display Co., Ltd.

Inventor： Chui Kyu Kang ,  Sung Hwan Kim ,  Soo Hee Oh ,  Dong Sun Lee ,  Sang Moo Choi

IPC: G09G3/3266 ,  G09G3/32

Abstract: A scan driver includes: a first transistor having a first electrode coupled to an output scan line, a second electrode coupled to a first power line, and a gate electrode coupled to a first node; a second transistor having a first electrode coupled to a first clock line, a second electrode coupled to the output scan line, and a gate electrode coupled to a second node; a third transistor having a first electrode coupled to the first node, a second electrode coupled to a first input scan line, and a gate electrode coupled to a second clock line; and a fourth transistor having a first electrode coupled to the second node and a second electrode and a gate electrode, which are coupled to a second input scan line, wherein the first input scan line and the second input scan line are different from each other.

公开(公告)号：US11301074B2

公开(公告)日：2022-04-12

申请号：US17151765

申请日：2021-01-19

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： In Nam Lee ,  Young Sik Kim ,  Hyun Jae Lee ,  Mi Young Kim ,  Sung Hwan Kim ,  Chang Bum Kim ,  Hyung Chul Kim

IPC: G06F3/041 ,  G06F3/044 ,  G01L1/14 ,  G01L1/22

Abstract: An input sensing device includes a first base layer, a plurality of first sensing electrodes, a plurality of second sensing electrodes, a plurality of third sensing electrodes, and a plurality of fourth sensing electrodes. The first sensing electrodes are arranged on the first base layer along a first direction. The second sensing electrodes are arranged on the first base layer in different rows from the first sensing electrodes. The third sensing electrodes are arranged on the second sensing electrodes along a second direction different from the first direction. The third sensing electrodes overlap the second sensing electrodes. The fourth sensing electrodes are arranged on the same layer as the third sensing electrodes and overlap the first sensing electrodes. A constant voltage is applied to the third sensing electrodes during a touch pressure sensing operation.

公开(公告)号：US20210165519A1

公开(公告)日：2021-06-03

申请号：US17151765

申请日：2021-01-19

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： In Nam Lee ,  Young Sik Kim ,  Hyun Jae Lee ,  Mi Young Kim ,  Sung Hwan Kim ,  Chang Bum Kim ,  Hyung Chul Kim

IPC: G06F3/041 ,  G01L1/14 ,  G01L1/22 ,  G06F3/044

Abstract: An input sensing device includes a first base layer, a plurality of first sensing electrodes, a plurality of second sensing electrodes, a plurality of third sensing electrodes, and a plurality of fourth sensing electrodes. The first sensing electrodes are arranged on the first base layer along a first direction. The second sensing electrodes are arranged on the first base layer in different rows from the first sensing electrodes. The third sensing electrodes are arranged on the second sensing electrodes along a second direction different from the first direction. The third sensing electrodes overlap the second sensing electrodes. The fourth sensing electrodes are arranged on the same layer as the third sensing electrodes and overlap the first sensing electrodes. A constant voltage is applied to the third sensing electrodes during a touch pressure sensing operation.

公开(公告)号：US10975274B2

公开(公告)日：2021-04-13

申请号：US15654943

申请日：2017-07-20

Applicant: SAMSUNG DISPLAY CO., LTD. ,  DONGGUAN DYT ELECTRONIC TAPE CO., LTD.

Inventor： Sung Kim ,  Hyun Sook Kim ,  Jang Hwan Jeong ,  Sung Chan Jo ,  Kyung Lae Rho ,  Soo Im Jeong ,  Oh Jung Kwon ,  Sung Hwan Kim ,  Oh Nam Kwon ,  Jae Gwan Lee ,  Jung Hun Kim

IPC: C09J133/06 ,  C09J7/20 ,  B32B7/06 ,  B32B7/12 ,  B32B27/30 ,  C09J11/04 ,  C09J11/08

Abstract: Disclosed is an acrylic adhesive, including an acrylic polymer obtained by polymerizing a mixture of about 120 parts by weight to about 250 parts by weight of acrylic monomers with about 0.1 parts by weight to about 1 parts by weight of an azo initiator, about 0.5 parts by weight to about 1 parts by weight of a filler, about 1.5 parts by weight to about 2.5 parts by weight of a crosslinking agent, and about 0.5 parts by weight to 1 parts by weight of an anti-static agent.

公开(公告)号：US10964263B2

公开(公告)日：2021-03-30

申请号：US16563530

申请日：2019-09-06

Applicant: Samsung Display Co., Ltd.

Inventor： Sung Hwan Kim ,  Kyung Man Kim

IPC: G09G3/3233 ,  G09G3/3266 ,  G09G3/3275

Abstract: A display device includes a display panel including a pixel coupled to a data line, a read-out line, a scan line, and a sensing line, a scan driver for generating scan and sensing signals to be supplied to the scan and sensing lines, a voltage controller for controlling a gate-on voltage of each of the scan and sensing signals to be supplied to the pixel during a mobility sensing period, a data driver for supplying a data signal to the data line, and a compensator for sensing current flowing from the pixel to the read-out line and compensate for the data signal, wherein the mobility sensing period includes a period during which each of the scan and sensing signals has a first voltage, a period during which the gate-on voltage of the scan and sensing signals changes, and a period during which the sensing signal has the first voltage.

公开(公告)号：US10546536B2

公开(公告)日：2020-01-28

申请号：US15626305

申请日：2017-06-19

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Sung Hwan Kim ,  Jun Hyun Park ,  Kyoung Ju Shin

IPC: G09G3/3266

Abstract: A stage includes first, second, and third outputs and first and second signal processors. The first output supplies a scan signal to a first output terminal based on signals to first and second input terminals and the voltage of a first node. The second output is connected to a first power source and supplies an emission control signal to a second output terminal based on signals to the first input terminal, the first output terminal, and a third input terminal. The third output is connected to the first power source and supplies an inverted emission control signal to a third output terminal based on signals to the first input terminal and second output terminal. The first signal processor controls the first node voltage based on a signal to a fourth input terminal. The second signal processor controls the first node voltage based on the signal to the second input terminal.

公开(公告)号：US20160365052A1

公开(公告)日：2016-12-15

申请号：US15172060

申请日：2016-06-02

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jun Hyun Park ,  Sung Hwan Kim ,  Kyoung Ju Shin

IPC: G09G3/36 ,  G09G3/3258

CPC classification number: G09G3/3677 ,  G09G2310/0286 ,  G09G2330/021

Abstract: A gate driving circuit including a plurality of stage circuits to output a plurality of gate signals, a N-th stage circuit of the plurality of stage circuits includes: an output pull-up part including a control electrode connected to a first node, the first node being configured to have a potential increase in response to a (N−1)-th control signal received from a previous stage circuit of the N-th stage circuit, the output pull-up part to receive a clock signal to output a gate signal of the N-th stage circuit; a control node pull-up part to control the potential of the first node by using the (N−1)-th control signal; and a control node pull-down part to discharge the first node to a second low voltage according to a (N+1)-th control signal, wherein the output pull-up part is to discharge the gate signal of the N-th stage circuit in a (N+2)-th stage circuit.

Abstract translation: 一种栅极驱动电路，包括输出多个栅极信号的多个级电路，所述多级级电路的第N级电路包括：输出上拉部分，包括连接到第一节点的控制电极，所述第一级 节点被配置为响应于从第N级电路的先前级电路接收的第（N-1）个控制信号而具有电位增加，所述输出上拉部分接收时钟信号以输出门 N级电路的信号; 控制节点上拉部分，通过使用第（N-1）个控制信号来控制第一节点的电位; 以及控制节点下拉部分，以根据第（N + 1）个控制信号将所述第一节点放电到第二低电压，其中所述输出上拉部分将所述第N级的所述门信号 （N + 2）级电路中的电路。