公开(公告)号：US20200185489A1

公开(公告)日：2020-06-11

申请号：US16596952

申请日：2019-10-09

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： KANG MOON JO ,  Dong Woo Kim ,  Sung Jae Moon ,  Jun Hyun Park ,  An Su Lee

IPC: H01L27/32 ,  H01L51/52

Abstract: A display device including: a substrate; an active layer disposed on the substrate and including active patterns; a first conductive layer disposed on the active layer; a second conductive layer disposed on the first conductive layer and including a data line; a third conductive layer disposed on the second conductive layer; and a light-emitting element disposed on the third conductive layer, wherein the first conductive layer includes a scan line, a first voltage line, and a second voltage line, the third conductive layer includes a third voltage line connected to the first voltage line and a fourth voltage line connected to the second voltage line, the first voltage line and the second voltage line extend in a first direction, the third voltage line and the fourth voltage line extend in a second direction, and the third voltage line and the fourth voltage line are alternately arranged in the first direction.

公开(公告)号：US10657913B2

公开(公告)日：2020-05-19

申请号：US15152173

申请日：2016-05-11

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jun Hyun Park ,  Kyoung-Ju Shin

IPC: G09G3/36

Abstract: A display panel includes a gate line, first and second data lines, first and second gate control lines, and first and second pixels. The first pixel includes a double-gate switching element including a gate electrode connected to the gate line, a source electrode connected to the first data line, and another gate electrode connected to the first gate control line. The second pixel includes a double-gate switching element including a gate electrode connected to the gate line, a source electrode connected to the second data line, and a gate electrode connected to the second gate control line. A data voltage having a first polarity is applied to the first data line, another data voltage having a second polarity is applied to the second data line, and first and second gate control voltages are respectively applied to the first and second gate control lines.

公开(公告)号：US09837036B2

公开(公告)日：2017-12-05

申请号：US14862388

申请日：2015-09-23

Applicant: Samsung Display Co., Ltd.

Inventor： Tadashi Amino ,  Jong Hee Kim ,  Masataka Kano ,  Jun Hyun Park

IPC: G09G3/36 ,  H01L27/12 ,  G11C19/18 ,  G11C19/28

CPC classification number: G09G3/3677 ,  G09G2300/0408 ,  G09G2300/0417 ,  G11C19/184 ,  G11C19/28 ,  H01L27/124 ,  H01L27/1255

Abstract: A gate driving circuit including: a plurality of stages outputting signals to gate lines, the stages includes a first transistor of which one end and a control terminal are connected, one end and the control terminal are connected with a first input terminal, and the other end is connected to a second node, a second transistor including a control terminal connected to a first node, connected with a clock input terminal, and the other end connected to a first output terminal, a first capacitor of which one end is connected to the first node, the other end is connected to the other end of the second transistor and the first output terminal, and a third transistor of which one end is connected to the other end of the first transistor, the other end is connected with the first node, and a control terminal is connected to a third node.

公开(公告)号：US12004384B2

公开(公告)日：2024-06-04

申请号：US18051951

申请日：2022-11-02

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jun Hyun Park ,  Hyeong Seok Kim ,  Young Wan Seo ,  Yu Jin Lee ,  Cheol Gon Lee

IPC: H10K59/126 ,  G09G3/3233 ,  H01L27/12

CPC classification number: H10K59/126 ,  G09G3/3233 ,  H01L27/1248 ,  G09G2300/0426 ,  G09G2300/0809 ,  G09G2320/0233

Abstract: A display device includes a display panel having a general area including first subpixels, and a sensor area including second subpixels and light-transmitting area. Each of the first subpixels and the second subpixels includes a first active layer disposed on a substrate and formed of a first material, a first gate layer disposed on the first active layer, a second gate layer disposed on the first gate layer, a second active layer disposed on the second gate layer and formed of a second material different from the first material, a third gate layer disposed on the second active layer, and a light-blocking layer disposed between the substrate and the first active layer and overlapping the second active layer in a thickness direction.

公开(公告)号：US11871627B2

公开(公告)日：2024-01-09

申请号：US17532732

申请日：2021-11-22

Applicant: Samsung Display Co., LTD.

Inventor： Jun Hyun Park ,  Kang Moon Jo ,  Dong Woo Kim

IPC: H01L29/12 ,  H10K59/131 ,  H10K59/121 ,  H01L27/12

CPC classification number: H10K59/131 ,  H10K59/1213 ,  H10K59/1216 ,  H01L27/124

Abstract: A display device includes: a substrate; a first conductive layer including a lower pattern disposed on the substrate; an active layer including a first active pattern disposed on the first conductive layer; and a second conductive layer including a first gate electrode disposed on the active layer, wherein the first gate electrode overlaps a first channel region included in the first active pattern, the lower pattern overlaps the first active pattern, and the first active pattern does not cross an edge of the lower pattern.

公开(公告)号：US11508796B2

公开(公告)日：2022-11-22

申请号：US16886075

申请日：2020-05-28

Applicant: Samsung Display Co., LTD.

Inventor： Jun Hyun Park ,  Dong Woo Kim ,  Kang Moon Jo ,  Sung Jae Moon

IPC: H01L27/32

Abstract: A display device including a substrate including a display area and an opening area therein, a data conductive layer on the substrate and including a source electrode and a voltage wiring in the opening area, a protective layer on the data conductive layer and covering the source electrode and the voltage wiring, a pixel electrode layer including a pixel electrode connected to the source electrode through a first contact hole, and an electrode pattern connected to the voltage wiring through a second contact hole, a pixel defining layer including an opening exposing the pixel electrode and a hole exposing the electrode pattern, a light emitting layer on the pixel defining layer and a common electrode on the light emitting layer, wherein the hole does not overlap the first and second contact holes.

公开(公告)号：US11430849B2

公开(公告)日：2022-08-30

申请号：US17206932

申请日：2021-03-19

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jun Hyun Park ,  Kang Moon Jo ,  Dong Woo Kim ,  Sung Jae Moon ,  An Su Lee ,  Woong-Sik Choi

IPC: H01L27/32 ,  H01L27/12 ,  G09G3/3233 ,  H01L29/786 ,  G09G3/3291 ,  G09G3/3266

Abstract: According to an exemplary embodiment, an organic light emitting diode display includes: a substrate; a semiconductor layer; a first gate insulating layer disposed on the oxide semiconductor layer; a first gate layer disposed on the first gate insulating layer; a first interlayer insulating layer disposed on the first gate layer; a first data layer disposed on the first interlayer insulating layer; a second interlayer insulating layer disposed on the first data layer; a driving voltage line and a driving low voltage line disposed on the second interlayer insulating layer and separated from each other; an upper insulating layer covering the driving voltage line and the driving low voltage line; and an anode disposed on the upper insulating layer and overlapping the driving voltage line or the driving low voltage line.

公开(公告)号：US11387306B2

公开(公告)日：2022-07-12

申请号：US16815778

申请日：2020-03-11

Applicant: Samsung Display Co., Ltd.

Inventor： Jun Hyun Park ,  Dong Woo Kim ,  Sung Jae Moon ,  Kang Moon Jo

IPC: H01L27/32 ,  G09G3/3266 ,  H01L27/02

Abstract: A display device may include a substrate including a display area and a non-display area, pixels provided in the display area and each pixel including a pixel transistor and a light emitting element connected to the pixel transistor, a first driver provided in the non-display area and configured to provide a scan signal to the pixel, a scan line configured to transfer the scan signal to the pixel, a first fan-out line provided in the non-display area and connected to the scan line, and a first electrostatic discharge portion provided in the non-display area and located between the first fan-out line and the scan line. The first electrostatic discharge portion may include a bottom metal layer disposed on the substrate and a transistor disposed on and electrically connected to the bottom metal layer.

公开(公告)号：US11295673B2

公开(公告)日：2022-04-05

申请号：US17070438

申请日：2020-10-14

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jun Hyun Park ,  Bon Yong Koo ,  Byung Chang Yu ,  Yu Jin Lee ,  Kyung Hoon Chung

IPC: G09G3/3233 ,  G09G3/3258 ,  G09G3/3266 ,  G09G3/3275

Abstract: A display device includes a display panel including a plurality of pixels, a timing controller which generates an emission start signal, an emission driver which supplies an emission control signal to the plurality of pixels based on the emission start signal received from the timing controller, a first scan driver which supplies a first scan signal to the plurality of pixels, a second scan driver which supplies a second scan signal to the plurality of pixels, and a data driver which supplies a data signal to the plurality of pixels. The timing controller adjusts a period in which the emission start signal is supplied based on a change of a driving frequency.

公开(公告)号：US11205380B2

公开(公告)日：2021-12-21

申请号：US16852630

申请日：2020-04-20

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jun Hyun Park ,  Bon Yong Koo ,  Yu Jin Lee ,  Kyung Hoon Chung ,  Chong Chul Chai

IPC: G09G3/325 ,  G09G3/36 ,  G09G3/3291

Abstract: A pixel including: a light-emitting element; a first transistor including a first electrode coupled to a power source and a second electrode coupled to the light-emitting element; a first capacitor between a second and a third node; a second transistor between the third node and a data line and turned on by a scan signal; a third transistor between a first node and the second node and turned on by a first control signal; a fourth transistor between the power source and the third node and turned on by a second control signal; a fifth transistor between the power source and the first electrode of the first transistor and turned on by an emission control signal; a sixth transistor between the second node and the light-emitting element and turned on by a previous emission control signal; and a second capacitor between the power source and the first node.