公开(公告)号：US12211423B2

公开(公告)日：2025-01-28

申请号：US18391087

申请日：2023-12-20

Applicant: Samsung Display Co., LTD.

Inventor： Danwon Lim ,  Hyunjoon Kim ,  Jaeyong Jang ,  Bon-Yong Koo

IPC: G09G3/20 ,  G09G3/3233

Abstract: A display panel includes: sub-pixels each including a storage capacitor configured to have a data voltage written thereto; a capacitor node line connected to the storage capacitor of at least one of the sub-pixels; a compensation reference voltage line configured to receive a compensation reference voltage; a first power supply voltage line configured to receive a first power supply voltage; a first connection transistor configured to connect the compensation reference voltage line to the capacitor node line based on an emission signal; and a second connection transistor configured to connect the first power supply voltage line to the capacitor node line based on the emission signal.

公开(公告)号：US20240312415A1

公开(公告)日：2024-09-19

申请号：US18395743

申请日：2023-12-26

Applicant: Samsung Display Co., Ltd.

Inventor： Danwon Lim ,  Hyunjoon Kim ,  Bonyong Koo ,  Jaeyong Jang

IPC: G09G3/325 ,  H10K59/123 ,  H10K59/179 ,  H10K59/70

CPC classification number: G09G3/325 ,  H10K59/123 ,  H10K59/179 ,  H10K59/70 ,  G09G2300/0426 ,  G09G2320/0233

Abstract: A display apparatus includes a light-emitting diode, a driving transistor configured to control a driving current supplied to the light-emitting diode, a compensation transistor connected between a second terminal of the driving transistor and a gate electrode of the driving transistor and configured to compensate for a threshold voltage of the driving transistor, a first connection electrode configured to connect the gate electrode of the driving transistor and a first terminal of the compensation transistor to each other, and a driving voltage line on an insulating layer covering the first connection electrode, covering the gate electrode of the driving transistor, and having an opening overlapping the first connection electrode.

公开(公告)号：US10658452B2

公开(公告)日：2020-05-19

申请号：US16363145

申请日：2019-03-25

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Chulhyun Choi ,  Zail Lhee ,  Keunsoo Lee ,  Kyungchan Chae ,  Kwangmin Kim ,  Wonkyu Kwak ,  Kiwook Kim ,  Yangwan Kim ,  Hyunjoon Kim ,  Jisu Na ,  Joongsoo Moon

IPC: H01L27/32 ,  H01L51/52

Abstract: A display apparatus includes a substrate including a display area and a peripheral area disposed outside of the display area, a plurality of wiring lines disposed in the peripheral area, and an interlayer insulating layer covering the plurality of wiring lines. The interlayer insulating layer includes an upper surface having a first concave-convex surface corresponding to the plurality of wiring lines. The display apparatus further includes a first conductive layer disposed on the interlayer insulating layer and including a second upper surface having a second concave-convex surface corresponding to the first concave-convex surface, a planarization layer disposed on the first conductive layer and having a flat upper surface, a second conductive layer disposed on the planarization layer and having a flat upper surface, and a polarization plate disposed on the second conductive layer.

公开(公告)号：US09899429B2

公开(公告)日：2018-02-20

申请号：US15272140

申请日：2016-09-21

Applicant: Samsung Display Co., Ltd.

Inventor： Jangmi Kang ,  Meehye Jung ,  Hyunjoon Kim ,  Cheolgon Lee ,  Sehyoung Cho ,  Injae Hwang

IPC: H01L27/14 ,  H01L27/32 ,  H01L27/12 ,  H01L23/00 ,  H01L29/786 ,  H01L51/05

CPC classification number: H01L27/1244 ,  H01L24/05 ,  H01L27/127 ,  H01L27/3223 ,  H01L27/3262 ,  H01L27/3276 ,  H01L29/78666 ,  H01L29/78675 ,  H01L51/0541 ,  H01L2224/02251 ,  H01L2224/02255 ,  H01L2224/06135 ,  H01L2224/06155 ,  H01L2227/323 ,  H01L2251/5392 ,  H01L2924/381

Abstract: A display device includes a substrate including a display region, and a peripheral region that is outside of the display region, a plurality of dummy pads at the peripheral region, an insulating layer covering the plurality of dummy pads, wherein top surfaces of first portions of the insulating layer above the plurality of dummy pads are higher than top surfaces of second portions of the insulating layer between the plurality of dummy pads, and a plurality of pads over the second portions of the insulating layer at the peripheral region.

公开(公告)号：US12112701B2

公开(公告)日：2024-10-08

申请号：US18321900

申请日：2023-05-23

Applicant: Samsung Display Co., Ltd.

Inventor： Danwon Lim ,  Hyunjoon Kim ,  Bon-Yong Koo

IPC: G09G3/3233 ,  H10K59/131

CPC classification number: G09G3/3233 ,  H10K59/131 ,  G09G2300/0426 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/08

Abstract: A display device includes a display panel including a first pixel, a second pixel, and a connection line connecting the first pixel and the second pixel. Each of the first pixel and the second pixel includes a light emitting element, a first transistor including a first electrode, a second electrode electrically connected to the light emitting element, and a gate electrode, a second transistor connected between a first driving voltage line and a connection node and including a gate electrode connected to an emission line, a third transistor connected between a second driving voltage line and the connection node and including a gate electrode connected to the emission line, and a capacitor connected between the gate electrode of the first transistor and the connection node. The connection node of the first pixel is electrically connected to the connection node of the second pixel through the connection line.

公开(公告)号：US20240011913A1

公开(公告)日：2024-01-11

申请号：US18297737

申请日：2023-04-10

Applicant: Samsung Display Co., Ltd.

Inventor： Jinwook Lee ,  Changyun Moon ,  Hyunjoon Kim

IPC: G01N21/88 ,  G09G3/00

CPC classification number: G01N21/88 ,  G09G3/006 ,  G09G2360/145

Abstract: A method of determining whether a display manufacturing facility is abnormal includes a first step of obtaining facility information data of facilities used to manufacture a display panel, a second step of preparing a display module by attaching a printed circuit board and a driving chip to the display panel, a third step of obtaining preliminary inspection data through an on-off test on the display module, a fourth step of associating the facility information data with the preliminary inspection data, establishing a database by repeatedly performing the first step to the fourth step, obtaining real-time inspection data through an on-off test on a display module to be inspected, determining whether the display module to be inspected is normal, and determining a facility causing abnormality of the display module, from the real-time inspection data by using the database, in case that the display module to be inspected is abnormal is determined.

公开(公告)号：US10466529B2

公开(公告)日：2019-11-05

申请号：US15830993

申请日：2017-12-04

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Kyungbae Kim ,  Ilgon Kim ,  Hyunjoon Kim

IPC: G02F1/1335 ,  G02F1/1368 ,  G02F1/1343 ,  G02F1/1339 ,  G02F1/1362

Abstract: A display device is capable of improving image quality including: a first and second substrate; a first and second color layer adjacent to each other between the first and second substrate, and arranged along a first direction; a third color layer including a first divided color layer adjacent to the first color layer in a second direction and a second divided color layer adjacent to the first divided color layer the first direction and adjacent to the second color layer in the second direction; a light blocking layer including a light blocking portion between the first and second color layer and a light blocking portion between the first and second divided color layer. The first, second and third color layer emit lights of different colors and at least two of them have different sizes. A width of the first and second light blocking portion is substantially equal.

公开(公告)号：US10431606B2

公开(公告)日：2019-10-01

申请号：US15871103

申请日：2018-01-15

Applicant: Samsung Display Co., Ltd.

Inventor： Jangmi Kang ,  Meehye Jung ,  Hyunjoon Kim ,  Cheolgon Lee ,  Sehyoung Cho ,  Injae Hwang

IPC: H01L27/12 ,  H01L23/00 ,  H01L27/32 ,  H01L29/786 ,  H01L51/05

Abstract: A display device includes a substrate including a display region, and a peripheral region that is outside of the display region, a plurality of dummy pads at the peripheral region, an insulating layer covering the plurality of dummy pads, wherein top surfaces of first portions of the insulating layer above the plurality of dummy pads are higher than top surfaces of second portions of the insulating layer between the plurality of dummy pads, and a plurality of pads over the second portions of the insulating layer at the peripheral region.

公开(公告)号：US09857640B2

公开(公告)日：2018-01-02

申请号：US15132309

申请日：2016-04-19

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Nakcho Choi ,  Injae Hwang ,  Hyunjoon Kim ,  Taekyung Yim ,  Joonggun Chong

IPC: G02F1/1343 ,  G02F1/1337

CPC classification number: G02F1/134309 ,  G02F1/133707 ,  G02F2001/134345

Abstract: A liquid crystal display device includes: a first substrate; a second substrate opposing the first substrate; and a plurality of pixels on the first substrate, a pixel of the plurality of pixels includes: a switching element connected to a gate line and a data line on the first substrate; a first pixel electrode connected to the switching element; and a second pixel electrode connected to the switching element and overlapping the first pixel electrode.

公开(公告)号：US20170125451A1

公开(公告)日：2017-05-04

申请号：US15272140

申请日：2016-09-21

Applicant: Samsung Display Co., Ltd.

Inventor： Jangmi Kang ,  Meehye Jung ,  Hyunjoon Kim ,  Cheolgon Lee ,  Sehyoung Cho ,  Injae Hwang

IPC: H01L27/12 ,  H01L23/00

CPC classification number: H01L27/1244 ,  H01L24/05 ,  H01L27/127 ,  H01L27/3223 ,  H01L27/3262 ,  H01L27/3276 ,  H01L29/78666 ,  H01L29/78675 ,  H01L51/0541 ,  H01L2224/02251 ,  H01L2224/02255 ,  H01L2224/06135 ,  H01L2224/06155 ,  H01L2227/323 ,  H01L2251/5392 ,  H01L2924/381

Abstract: A display device includes a substrate including a display region, and a peripheral region that is outside of the display region, a plurality of dummy pads at the peripheral region, an insulating layer covering the plurality of dummy pads, wherein top surfaces of first portions of the insulating layer above the plurality of dummy pads are higher than top surfaces of second portions of the insulating layer between the plurality of dummy pads, and a plurality of pads over the second portions of the insulating layer at the peripheral region.