公开(公告)号：US11985854B2

公开(公告)日：2024-05-14

申请号：US16719418

申请日：2019-12-18

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Woori Seo ,  Injun Bae ,  Donghwi Kim ,  Chulho Kim ,  Yunhwan Park ,  Dongbeom Lee ,  Jin Jeon

IPC: H01L51/00 ,  G09G3/3225 ,  G09G3/3266 ,  H10K59/121 ,  H10K59/131 ,  H10K77/10 ,  H01L27/12

CPC classification number: H10K59/1213 ,  G09G3/3225 ,  G09G3/3266 ,  H10K59/1216 ,  H10K59/131 ,  H10K77/10 ,  G09G2300/0426 ,  G09G2300/0439 ,  H01L27/1225 ,  H01L27/1255

Abstract: A display panel includes: a substrate that includes a display area and a sensor area, where the display area includes a main pixel and the sensor area includes an auxiliary pixel, where the main pixel is electrically connected to a main pixel circuit and the auxiliary pixel is electrically connected to an auxiliary pixel circuit, where the auxiliary pixel circuit includes a first auxiliary thin film transistor that includes a first semiconductor layer that includes an oxide semiconductor material and a first gate electrode that overlaps the first semiconductor layer, and a second auxiliary thin film transistor that including a second semiconductor layer that includes Low Temperature Poly-Silicon (LTPS) and a second gate electrode that overlaps the second semiconductor layer.

公开(公告)号：US11903271B2

公开(公告)日：2024-02-13

申请号：US17239027

申请日：2021-04-23

Applicant: Samsung Display Co., Ltd.

Inventor： Mi Hae Kim ,  Min Ho Ko ,  Seung Woo Sung ,  Ki Myeong Eom ,  Jin Jeon

IPC: H10K59/131 ,  G09G3/3225 ,  H10K59/124 ,  H10K59/121 ,  G09G3/3233 ,  H01L29/786

CPC classification number: H10K59/131 ,  G09G3/3225 ,  G09G3/3233 ,  H10K59/124 ,  H10K59/1213 ,  H10K59/1216 ,  G09G2300/0819 ,  G09G2310/0262 ,  G09G2320/0238 ,  G09G2320/0276 ,  G09G2320/045 ,  H01L29/78696

Abstract: An organic light emitting diode display includes a plurality of pixels. At least one pixel is connected to a scan line receive a scan signal, a data line to receive a data signal, and voltage line to receive a driving voltage. The at least one pixel includes a switching transistor including a switching drain electrode to output the data voltage, a driving transistor including a driving source electrode connected to the switching drain electrode, and an organic light emitting diode connected to a driving drain electrode of the driving transistor. The driving source electrode is separated from the data line.

公开(公告)号：US11798465B2

公开(公告)日：2023-10-24

申请号：US17936916

申请日：2022-09-30

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Dong Hwi Kim ,  Jin Jeon

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2310/0278 ,  G09G2320/0247 ,  G09G2330/021

Abstract: A display device includes a pixel including a first transistor connected between a first node and a second node, an emission driver supplying an emission control signal to an emission control line, a scan driver supplying first to fourth scan signals respectively to first to fourth scan lines, and a data driver supplying a data signal to a data line. The first scan signal controls a timing at which a voltage of a first power source is supplied to the first node, the second scan signal controls a timing at which the second node and a gate electrode of the first transistor are connected to each other, and the third scan signal controls a timing at which a voltage of a second power source is supplied to the gate electrode of the first transistor. The second scan signal overlaps the first scan signal and the third scan signal.

公开(公告)号：US11783781B2

公开(公告)日：2023-10-10

申请号：US17891455

申请日：2022-08-19

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Yong Jae Kim ,  Jin Jeon

IPC: G09G3/3266 ,  G09G3/3233 ,  G09G3/3275 ,  G09G3/3291

CPC classification number: G09G3/3266 ,  G09G3/3233 ,  G09G3/3275 ,  G09G3/3291 ,  G09G2300/0809 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/0251 ,  G09G2310/0262 ,  G09G2310/06 ,  G09G2310/08 ,  G09G2340/0435

Abstract: In an organic light emitting display device which displays an image in a first mode or a second mode, the organic light emitting display device includes: a first scan driver which supplies a first scan signal having a first voltage to first scan lines; a second scan driver which supplies a second scan signal having a second voltage larger than the first voltage to second scan lines; and a pixel unit including pixels each coupled to a corresponding first scan line and a corresponding second scan line. When a first image displayed in the second mode is changed to a second image to be displayed in the second mode, the second image is displayed in the first mode during a predetermined portion of a period, in which the second image is displayed, and is displayed in the second mode during the remaining portion of the period.

公开(公告)号：US11682344B2

公开(公告)日：2023-06-20

申请号：US17740965

申请日：2022-05-10

Applicant: Samsung Display Co., LTD.

Inventor： Na Young Kim ,  Dong Hwi Kim ,  Jin Jeon

IPC: G09G3/32 ,  G09G3/3233 ,  G09G3/3266 ,  G09G3/3225 ,  G09G3/3258

CPC classification number: G09G3/32 ,  G09G3/3225 ,  G09G3/3233 ,  G09G3/3258 ,  G09G3/3266 ,  G09G2310/0278 ,  G09G2320/0247 ,  G09G2330/028

Abstract: A pixel for a display device includes a light-emitting element, a first transistor including a first electrode electrically connected to a first node and controlling a driving current, a second transistor electrically connected between a data line and the first node and being turned on in response to a first scan signal supplied through a first scan line, a third transistor electrically connected between the second node and a third node electrically connected to a second electrode of the first transistor and being turned on in response to the first scan signal, and a fourth transistor being turned on in response to a second scan signal supplied through a second scan line, and applying a bias voltage to the first transistor. The fourth transistor is turned on at a first frequency. The second and third transistors are turned on at a second frequency different from the first frequency.

公开(公告)号：US11670644B2

公开(公告)日：2023-06-06

申请号：US17555370

申请日：2021-12-17

Applicant: Samsung Display Co., LTD.

Inventor： Dong-Hwi Kim ,  Jin Jeon

IPC: G09G3/32 ,  H01L27/12 ,  H01L27/15 ,  H01L27/32

CPC classification number: H01L27/124 ,  G09G3/32 ,  G09G2300/0426 ,  G09G2300/0809 ,  G09G2310/0243 ,  G09G2310/0267 ,  H01L27/156 ,  H01L27/3211 ,  H01L27/3262 ,  H01L27/3265 ,  H01L27/3276

Abstract: A display device includes a first region and a second region each including a plurality of pixels, and a plurality of wires connected to the plurality of pixels, respectively, to transmit a signal, where the number of pixels per unit area in the second region is less than the number of pixels per unit area in the first region, and the number of wires per unit area in the second region is less than the number of wires per unit area in the first region.

公开(公告)号：US11605350B2

公开(公告)日：2023-03-14

申请号：US17745661

申请日：2022-05-16

Applicant: Samsung Display Co., Ltd.

Inventor： Jin Jeon

IPC: G09G3/3258 ,  G09G3/3225 ,  G09G3/3266 ,  G09G3/3275

Abstract: An organic light emitting display device may include a display panel, a power supply, and a display driver. The display panel may comprise a plurality of scan lines, a plurality of data lines, and a plurality of pixels connected to the scan lines and to the data lines. The power supply may supply a first pixel voltage and a second pixel voltage to the pixels. The display driver may control the display panel. The display panel may display a first image in a first frame frequency during a first driving mode, and display a second image in a second frame frequency that is lower than the first frame frequency during a second driving mode, according to a control by the display driver

公开(公告)号：US11538408B2

公开(公告)日：2022-12-27

申请号：US17196120

申请日：2021-03-09

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jin Jeon

IPC: G09G3/3233 ,  H01L27/32

Abstract: An organic light emitting diode (OLED) display is disclosed. In one aspect, the display includes a scan line transmitting a scan signal, a data line crossing the scan line and transmitting a data voltage, and a driving voltage line crossing the scan line and configured to transmit a driving voltage. The display also includes a switching transistor electrically connected to the scan line and the data line. The display further includes a driving transistor and a compensation transistor. A driving gate electrode and a driving drain electrode are respectively connected to a compensation source electrode and a compensation drain electrode. The display also includes a light blocking layer at least partially covering the compensation transistor and an OLED electrically connected to the driving transistor.

公开(公告)号：US11373588B2

公开(公告)日：2022-06-28

申请号：US17350042

申请日：2021-06-17

Applicant: Samsung Display Co., Ltd.

Inventor： Dong Hwi Kim ,  Na Young Kim ,  Jin Jeon

IPC: G09G3/32

Abstract: A display device includes pixels which are connected to first scan lines, second scan lines, third scan lines, emission control lines, and data lines; a scan driver which supplies a bias scan signal to each of the third scan lines at a first frequency and supplies a scan signal to each of the first scan line and the second scan line at a second frequency which corresponds to an image refresh rate of each of the pixels; an emission driver which supplies an emission control signal to each of the emission control lines at the first frequency; a data driver which supplies a data signal to each of the data lines at the second frequency; and a timing controller which controls driving of the scan driver, the emission driver, and the data driver.

公开(公告)号：US11361728B2

公开(公告)日：2022-06-14

申请号：US17091317

申请日：2020-11-06

Applicant: Samsung Display Co., Ltd.

Inventor： Jin Jeon ,  Hyung Guel Kim ,  Dong Hwan Kim

IPC: G09G3/36 ,  G11C19/28 ,  G06F3/14 ,  G09G3/3225

Abstract: A liquid crystal display apparatus including a gate driving circuit disposed on a liquid crystal display is provided. The apparatus further includes a data driving chip, disposed on the liquid crystal display panel, to apply data driving signals to data lines. The gate driving circuit includes a plurality of stages connected to one another in parallel. The odd-numbered stages of the stages each apply gate driving signals to odd-numbered gate lines of the gate lines, in response to a first clock signal and the even-numbered stages of the stages each apply the gate driving signals to even-numbered gate lines of the gate lines, in response to a second clock signal having an opposite phase from a phase of the first clock signal.