公开(公告)号：US12118924B2

公开(公告)日：2024-10-15

申请号：US18231719

申请日：2023-08-08

Applicant: Samsung Display Co., LTD.

Inventor： Kyong Hwan Oh ,  Jin Tae Jeong ,  Ji Hyun Ka ,  Won Kyu Kwak ,  Hyung Jun Park ,  Chang Soo Pyon ,  Ji Eun Lee ,  Hai Jung In ,  Won Mi Hwang

IPC: G09G3/32 ,  G09G3/3233

CPC classification number: G09G3/32 ,  G09G3/3233 ,  G09G2310/0278 ,  G09G2330/028

Abstract: A display device includes pixels, and a power supply to supply a first initialization voltage to the pixels through a first initialization power line, and to supply a second initialization voltage to the pixels through a second initialization power line. At least one of the pixels includes a first transistor, a second transistor, a third transistor, and a light emitting element.

公开(公告)号：US11700754B2

公开(公告)日：2023-07-11

申请号：US17013181

申请日：2020-09-04

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Yang Wan Kim ,  Ji Hyun Ka ,  Tae Hoon Kwon ,  Byung Sun Kim ,  Hyung Jun Park ,  Su Jin Lee ,  Jae Yong Lee ,  Jin Tae Jeong ,  Seung Ji Cha

IPC: H10K59/131 ,  H10K50/84 ,  H10K50/818 ,  H10K50/828 ,  H10K59/88 ,  H10K59/126 ,  H10K59/121 ,  G09G3/3233 ,  H10K59/124 ,  H10K102/00

CPC classification number: H10K59/131 ,  G09G3/3233 ,  H10K50/818 ,  H10K50/828 ,  H10K50/84 ,  H10K59/126 ,  H10K59/1216 ,  H10K59/88 ,  H10K59/124 ,  H10K2102/3031

Abstract: A display device includes a substrate having a display area and a non-display area, a plurality of pixels in the display area, scan lines for supplying a scan signal to the pixels, the scan lines extending in a first direction, data lines for supplying a data signal to the pixels, the data lines extending in a second direction crossing the first direction, and a first dummy part in the non-display area, adjacent to an outermost pixel, connected to an outermost data line of the display area, forming a parasitic capacitor with the outermost pixel, and including a first dummy data line and a first dummy power pattern extending in parallel to the data lines.

公开(公告)号：US11423836B2

公开(公告)日：2022-08-23

申请号：US17170554

申请日：2021-02-08

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Tae Hoon Kwon ,  Ji Hyun Ka ,  Min Ku Lee ,  Seung Ji Cha ,  Hyun Uk Oh ,  Jin Tae Jeong

IPC: G09G3/30 ,  G09G3/3233 ,  G09G3/20 ,  G09G3/3266 ,  G09G3/3275

Abstract: A display device including a first pixel area including first pixels, a second pixel area including second pixels, a third pixel area including third pixels, and a display driver configured to control image display operations of the first pixel area, the second pixel area, and the third pixel area according to a first mode or a second mode, wherein the first pixel area includes a first sub-pixel area, and a second sub-pixel area between the first sub-pixel area and the second pixel area, and wherein the first sub-pixel area is configured to display a black image in the first mode, and the second sub-pixel area is configured to display a dummy image.

公开(公告)号：US11257422B2

公开(公告)日：2022-02-22

申请号：US17078088

申请日：2020-10-22

Applicant: Samsung Display Co., LTD.

Inventor： Kyong Hwan Oh ,  Jin Tae Jeong ,  Ji Hyun Ka ,  Won Kyu Kwak ,  Hyung Jun Park ,  Chang Soo Pyon ,  Ji Eun Lee ,  Hai Jung In ,  Won Mi Hwang

IPC: G09G3/30 ,  G09G3/32

Abstract: A display device includes a power supply to supply a first initialization power source to the pixels through a first initialization and to supply a second initialization power source to the pixels through a second power line.

公开(公告)号：US20200234638A1

公开(公告)日：2020-07-23

申请号：US16840689

申请日：2020-04-06

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Seung Kyu Lee ,  Seung Ji Cha ,  Ji Hyun Ka ,  Tae Hoon Kwon ,  Min Ku Lee ,  Jin Tae Jeong

IPC: G09G3/3225 ,  G09G3/3275 ,  G09G3/3266 ,  G09G3/3233

Abstract: A stage includes an output, an input, signal processors, and a stabilizer. The output supplies a voltage of a first or second power source to an output terminal based on voltages of first and second nodes. The input controls voltages of third and fourth nodes based on signals to a first and second input terminals. A first signal processor controls the voltage of the first node based on the voltage of the second node. A second signal processor is connected to a fifth node and controls the voltage of the first node based on a signal to a third input terminal. A third signal processor controls the voltage of the fourth node based on the voltage of the third node and the signal to the third input terminal. The stabilizer is connected between the second signal processor and input to control voltage drop widths of the third and fourth nodes.

公开(公告)号：US10380943B2

公开(公告)日：2019-08-13

申请号：US15907144

申请日：2018-02-27

Applicant: Samsung Display Co., Ltd.

Inventor： Sang Moo Choi ,  Ji Hyun Ka ,  Won Kyu Kwak ,  Jin Jeon ,  Jin Tae Jeong

IPC: G09G5/10 ,  G09G3/3233

Abstract: An organic light emitting display device includes pixels connected to scan lines, data lines, and emission control lines to emit light components in response to amounts of current that flow from a first driving power source to a second driving power source, a sensing unit connected between the first or second driving power source and the pixels to measure to at least one of current and voltage, a controller to sense a control signal in response to at least one of the current and the voltage measured by the sensing unit, a timing controller to supply a plurality of emission start signals with different widths in a one frame period in response to the control signal when the organic light emitting display device is driven at a low frequency, and an emission driver to supply emission control signals to the emission control lines in response to the emission start signals.

公开(公告)号：US10198997B2

公开(公告)日：2019-02-05

申请号：US14855692

申请日：2015-09-16

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jin Tae Jeong ,  Ji Su Na

IPC: G09G3/3266 ,  G06F1/04 ,  G09G3/3233 ,  G11C19/18

Abstract: A scan driving circuit includes a plurality of stages, each having a shift register and a scan signal output unit. The shift register has a first node to receive a first driving voltage according to a control signal and a second node to receive the first driving voltage according to a reset signal. The scan signal output unit outputs scan signals to respective scan lines. The scan signal output unit has a plurality of clock switches controlled according to a voltage of the first node and a plurality of switches controlled according to a voltage of the second node. The clock switches sequentially output clock signals to respective third nodes, which are connected to respective scan lines. The switches output a second driving voltage to the third nodes.

公开(公告)号：US11895884B2

公开(公告)日：2024-02-06

申请号：US17537237

申请日：2021-11-29

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Keon Woo Kim ,  Ji Hyun Ka ,  Tae Hoon Kwon ,  Ho Kyoon Kwon ,  Min Ku Lee ,  Zail Lhee ,  Jin Tae Jeong ,  Seung Ji Cha ,  Byung Du Ahn ,  Jeong Ho Lee

IPC: H10K59/131 ,  G09G3/3233 ,  H10K59/88 ,  H10K59/121 ,  H10K59/124 ,  H10K77/10 ,  H01L27/12

CPC classification number: H10K59/131 ,  G09G3/3233 ,  H10K59/121 ,  H10K59/124 ,  H10K59/1213 ,  H10K59/1216 ,  H10K59/88 ,  H10K77/10 ,  G09G2300/0413 ,  G09G2300/0426 ,  G09G2300/0861 ,  G09G2310/0251 ,  G09G2310/0262 ,  H01L27/124

Abstract: A display device includes a substrate including a first pixel region, a second pixel region having an area smaller than that of the first pixel region, and a peripheral region surrounding the first pixel region and the second pixel region, a second pixel provided in the second pixel region, a second line connected to the second pixel, an extension line extended to the peripheral region, a dummy part located in the peripheral region to overlap with the extension line, a power line connected to the first and second pixel regions, and a connection line located in the peripheral region to be connected to the dummy part, the connection line being electrically connected to a portion of the second pixel region, wherein the second pixel region includes a first sub-pixel region connected to the connection line and a second sub-pixel region except the first sub-pixel region.

公开(公告)号：US11735083B2

公开(公告)日：2023-08-22

申请号：US17501526

申请日：2021-10-14

Applicant: SAMSUNG DISPLAY CO. LTD.

Inventor： Tae Hoon Kwon ,  Ji Hyun Ka ,  Byung Sun Kim ,  Yang Wan Kim ,  Hyung Jun Park ,  Su Jin Lee ,  Jae Yong Lee ,  Jin Tae Jeong ,  Seung Ji Cha

IPC: H05K1/00 ,  H05K1/02 ,  G09G3/20 ,  G09G3/293 ,  G09G3/296 ,  G09G3/3233 ,  G02F1/1345 ,  H05K1/11 ,  H10K99/00 ,  H05K1/18 ,  H10K59/88

CPC classification number: G09G3/20 ,  G02F1/13452 ,  H05K1/111 ,  H05K1/115 ,  H05K1/118 ,  H10K99/00 ,  G09G2300/0413 ,  G09G2300/0426 ,  G09G2310/0243 ,  G09G2330/08 ,  H05K1/189 ,  H05K2201/09781 ,  H05K2201/10128 ,  H10K59/88

Abstract: A display device is provided. The display device comprises a display panel including a plurality of signal pads and one or more dummy pads, and at least one flexible wiring board providing signals to the signal pads, wherein a maximum bias period of signals provided to a pair of adjacent signal pads with at least one dummy pad interposed therebetween is longer than a maximum bias period of signals provided to a pair of adjacent signal pads with no dummy pad disposed therebetween.

公开(公告)号：US11455938B2

公开(公告)日：2022-09-27

申请号：US17367396

申请日：2021-07-04

Applicant: Samsung Display Co., Ltd.

Inventor： Kyong Hwan Oh ,  Ji Hyun Ka ,  Ki Myeong Eom ,  Hai Jung In ,  Jin Jeon ,  Won Kyu Kwak ,  Hyun Lee ,  Hwan Soo Jang ,  Jin Tae Jeong

IPC: G09G3/20 ,  G09G3/3233

Abstract: A display device includes pixels coupled to first scan lines, second scan lines, emission control lines, and data lines; a first scan driver to supply a scan signal to each of the first scan lines at a first frequency to drive the display device at a first driving frequency, and to supply the scan signal to each of the first scan lines at a second frequency to drive the display device at a second driving frequency lower than the first driving frequency; a second scan driver to supply a scan signal to each of the second scan lines at the first frequency to drive the display device at the first driving frequency, and to supply the scan signal to each of the second scan lines at the second frequency to drive the display device at the second driving frequency; an emission driver to supply an emission control signal to each of the emission control lines at the first frequency; and a data driver to supply a data signal to each of the data lines in response to the scan signal supplied to each of the first scan lines.