公开(公告)号：US09568796B2

公开(公告)日：2017-02-14

申请号：US13890585

申请日：2013-05-09

Applicant: Samsung Display Co., Ltd.

Inventor： Se Hyoung Cho ,  Mee Hye Jung ,  Sun Hwa Lee ,  Kwang-Chul Jung ,  Chong Chul Chai

IPC: G02F1/1368 ,  G02F1/1333 ,  G02F1/1341 ,  G02F1/1362

CPC classification number: G02F1/1368 ,  G02F1/133377 ,  G02F1/1341 ,  G02F1/136227 ,  G02F2001/136222

Abstract: A liquid crystal display includes: a substrate; a thin film transistor on the substrate; a pixel electrode connected with a terminal of the thin film transistor; a microcavity on the pixel electrode, and including a plurality of regions corresponding a pixel area; a liquid crystal layer in the microcavity; a liquid crystal injection hole exposing the microcavity; a common electrode on the microcavity; a supporting member on the common electrode; and a capping layer on the supporting member and covering the liquid crystal injection hole. The pixel electrode is connected with the terminal of the thin film transistor through a contact hole, and the contact hole is within the pixel area.

Abstract translation: 液晶显示器包括：基板; 衬底上的薄膜晶体管; 与所述薄膜晶体管的端子连接的像素电极; 像素电极上的微腔，并且包括对应于像素区域的多个区域; 微腔中的液晶层; 暴露微腔的液晶注入孔; 微腔上的公共电极; 公共电极上的支撑构件; 以及在所述支撑构件上的盖层，并且覆盖所述液晶注入孔。 像素电极通过接触孔与薄膜晶体管的端子连接，并且接触孔在像素区域内。

公开(公告)号：US12217686B2

公开(公告)日：2025-02-04

申请号：US18473549

申请日：2023-09-25

Applicant: Samsung Display Co., Ltd.

Inventor： Chong Chul Chai ,  Dong Woo Kim ,  Kyoung Ju Shin ,  Bo Yong Chung

IPC: G09G3/3233 ,  G09G3/3258 ,  H01L27/12 ,  H01L29/786 ,  G09G3/3266 ,  G09G3/3275 ,  G09G3/36

Abstract: A pixel includes a plurality of transistors, a storage capacitor, and an organic light emitting diode. A first transistor controls the amount of current from a first driving power source to the organic light emitting diode based on a data voltage. A second transistor is connected to a data line and is turned on based on a scan signal. A third transistor coupled to the first transistor and is turned on based on the scan signal. A first stabilizing transistor is coupled to the third transistor or between the first and third transistors and is turned off when the third transistor is turned off.

公开(公告)号：US12095009B2

公开(公告)日：2024-09-17

申请号：US17448157

申请日：2021-09-20

Applicant: Samsung Display Co., Ltd.

Inventor： Do Yeong Park ,  No Kyung Park ,  Chong Chul Chai

IPC: H01L33/38 ,  H01L27/15 ,  H01L33/62

CPC classification number: H01L33/382 ,  H01L27/156 ,  H01L33/62

Abstract: A display device may include a pixel. The pixel may include: an emission area, a non-emission area, and a split area spaced from the emission area with the non-emission area interposed therebetween; a first pattern and a second pattern spaced from each other in a first direction, and each extending in a second direction; a first light emitting element aligned between the first and second patterns; a first electrode connected to a first end of the first light emitting element; a second electrode connected to a second end of the first light emitting element; a bank located in the non-emission area and defining the emission area and the split area; and an insulating pattern located between the first and second electrodes and overlapping the first light emitting element. Only two of the first pattern, the bank, and the insulating pattern may overlap each other.

公开(公告)号：US12035592B2

公开(公告)日：2024-07-09

申请号：US17864532

申请日：2022-07-14

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Kang Moon Jo ,  Young Wan Seo ,  Chong Chul Chai

IPC: H01L29/08 ,  H10K59/121 ,  H10K59/131 ,  G09G3/32

CPC classification number: H10K59/131 ,  H10K59/1213 ,  H10K59/1216 ,  G09G3/32 ,  G09G2300/0426 ,  G09G2320/0233

Abstract: A display device includes a first pixel including a first transistor, a second transistor, and a third transistor, a second pixel disposed adjacent to the first pixel in a first direction, and including a first transistor, a second transistor, and a third transistor, and an initialization voltage line disposed between the first pixel and the second pixel, and extending in a second direction crossing the first direction. The second transistor of the first pixel and the second transistor of the second pixel are connected to the initialization voltage line. The first, second, and third transistors of the first pixel and the first, second, and third transistors of the second pixel are symmetrical with respect to the initialization voltage line.

公开(公告)号：US11817046B2

公开(公告)日：2023-11-14

申请号：US18058725

申请日：2022-11-23

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Min Jae Jeong ,  Kyung Bae Kim ,  Chong Chul Chai ,  Kyung Hoon Chung

IPC: G09G3/32 ,  H01L33/36 ,  H01L25/075 ,  H01L33/62

CPC classification number: G09G3/32 ,  H01L25/0753 ,  H01L33/36 ,  H01L33/62 ,  G09G2300/0426 ,  G09G2310/0278 ,  H01L2933/0016 ,  H01L2933/0066

Abstract: A display device includes a light-emitting diode including a first conductivity-type semiconductor, an active layer, and a second conductivity-type semiconductor; a first voltage line to which a first voltage is applied; a second voltage line to which a second voltage is applied; a first transistor including a source electrode electrically connected to the first voltage line and a drain electrode electrically connected to a first electrode of the light-emitting diode and to the first conductivity-type semiconductor; a second transistor including a drain electrode electrically connected to a gate electrode of the first transistor and a source electrode electrically connected to a data line to apply a data signal; a capacitor electrically connected to the gate electrode of the first transistor and the first electrode; and a third transistor including a source electrode electrically connected to the second voltage line and a drain electrode electrically connected to the first electrode.

公开(公告)号：US11424288B2

公开(公告)日：2022-08-23

申请号：US16784935

申请日：2020-02-07

Applicant: Samsung Display Co., Ltd.

Inventor： Chong Chul Chai ,  Kyung Bae Kim ,  Mee Hye Jung ,  Jin Oh Kwag ,  Min Jae Jeong

IPC: G09G3/32 ,  H01L33/62 ,  H01L27/15 ,  H01L27/12 ,  H01L49/02 ,  H01L23/552 ,  H01L33/06 ,  H01L33/00 ,  H01L33/32

Abstract: A display device includes: a substrate including a pixel; a scan line for supplying a scan signal to the pixel; a data line for supplying a data signal to the pixel; a first power line for supplying a first driving power source to the pixel; a second power line for supplying a second driving power source to the pixel; and a third power line for supplying a ground voltage to the pixel. The pixel includes: first and second electrodes spaced apart from each other on the substrate; a plurality of light emitting elements, each of the light emitting elements having first and second end portions in a length direction thereof and being arranged between the first electrode and the second electrode; and a first switch electrically connected between the third power line and the first electrode. The first switch is configured to be turned on by a control signal.

公开(公告)号：US20220238757A1

公开(公告)日：2022-07-28

申请号：US17448157

申请日：2021-09-20

Applicant: Samsung Display Co., Ltd.

Inventor： Do Yeong Park ,  No Kyung Park ,  Chong Chul Chai

IPC: H01L33/38 ,  H01L27/15 ,  H01L33/62

Abstract: A display device may include a pixel. The pixel may include: an emission area, a non-emission area, and a split area spaced from the emission area with the non-emission area interposed therebetween; a first pattern and a second pattern spaced from each other in a first direction, and each extending in a second direction; a first light emitting element aligned between the first and second patterns; a first electrode connected to a first end of the first light emitting element; a second electrode connected to a second end of the first light emitting element; a bank located in the non-emission area and defining the emission area and the split area; and an insulating pattern located between the first and second electrodes and overlapping the first light emitting element. Only two of the first pattern, the bank, and the insulating pattern may overlap each other.

公开(公告)号：US11341878B2

公开(公告)日：2022-05-24

申请号：US16821706

申请日：2020-03-17

Applicant: Samsung Display Co., LTD.

Inventor： Hyun Joon Kim ,  Jun Ki Jeong ,  Kyung Hoon Chung ,  Kyung Bae Kim ,  Seung Chan Lee ,  Chong Chul Chai

IPC: G09G3/00

Abstract: A method of testing a display panel including a pixel coupled to first, second, and third power lines, a data line, scan lines, an emission control line, and a test line, the method includes: applying a first power supply voltage to the first power line; applying a test voltage having a turn-on voltage level to the second power line; applying a scan signal having a turn-on voltage level sequentially to the scan lines and an emission control signal having a turn-on voltage level to the emission control line; applying a gate signal to the test line to turn on a test transistor coupled between two electrode of a light emitting element included in the pixel; measuring a sensing voltage output through the data line; and determining whether the pixel is defective, based on a voltage level of the measured sensing voltage.

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.

公开(公告)号：US11114033B2

公开(公告)日：2021-09-07

申请号：US16855038

申请日：2020-04-22

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 ,  G09G3/3266

Abstract: A pixel including: a light emitter; a first transistor including first and second electrodes respectively connected to power and the light emitter, the first transistor controlling driving current; a first capacitor between a second and third node; a second transistor between the third node and data line and turned on by a scan signal; a third transistor between a first and second node, and turned on by a control signal; a fourth transistor between power and the third node, and turned on by a emission control signal; a fifth transistor between power and the first electrode, and turned on by the emission control signal; a sixth transistor between the second node and the light emitter, and turned on by another emission control signal; and a second capacitor between power and the first node, wherein the fourth, fifth and sixth transistors turn-on/off at least four times in a non-emission period.