公开(公告)号：US20150325160A1

公开(公告)日：2015-11-12

申请号：US14804250

申请日：2015-07-20

Applicant: Samsung Display Co., Ltd.

Inventor： Ok-Kyung Park ,  Ji-Hyun Ka

IPC: G09G3/00 ,  G09G3/36 ,  G09G3/30

CPC classification number: G09G3/30 ,  G09G3/006 ,  G09G3/3258 ,  G09G3/3291 ,  G09G3/3648 ,  G09G2300/0452 ,  G09G2320/0295 ,  G09G2320/043 ,  G09G2330/12 ,  G09G2360/148 ,  H01L27/3248 ,  H01L2251/562

Abstract: A flat panel display device formed in a pentile structure is provided, which includes a pixel portion and a lighting tester. The pixel portion includes a first pixel column, a second pixel column and a third pixel column. In the first pixel column, first pixels for displaying a first color and second pixels for displaying a second color are alternately arranged in a direction the data lines. In the second pixel column, first and second pixels arranged in reverse order of the first pixel column in a direction parallel to the data lines. In the third pixel column, third pixels for displaying a third color are arranged in a direction parallel to the data lines. The lighting tester applies a first voltage to the first pixel column and applies a second voltage to the second pixel column during a first time period. The lighting tester applies the second voltage to the first pixel column and applies the first voltage to the second pixel column during a second time period.

Abstract translation: 提供了一种形成为戊二烯结构的平板显示装置，其包括像素部分和照明测试器。 像素部分包括第一像素列，第二像素列和第三像素列。 在第一像素列中，用于显示第一颜色的第一像素和用于显示第二颜色的第二像素在数据线的方向上交替布置。 在第二像素列中，第一和第二像素在与数据线平行的方向上以与第一像素列相反的顺序排列。 在第三像素列中，用于显示第三颜色的第三像素沿与数据线平行的方向排列。 照明测试仪将第一电压施加到第一像素列，并且在第一时间段期间将第二电压施加到第二像素列。 照明测试仪将第二电压施加到第一像素列，并且在第二时间段期间将第一电压施加到第二像素列。

公开(公告)号：US08981378B2

公开(公告)日：2015-03-17

申请号：US14219763

申请日：2014-03-19

Applicant: Samsung Display Co., Ltd.

Inventor： Kwang-Min Kim ,  Won-Kyu Kwak ,  Jin-Tae Jeong ,  Ji-Hyun Ka

IPC: H01L27/14 ,  H01L27/12 ,  H01L21/66

CPC classification number: H01L27/124 ,  H01L22/32 ,  H01L27/1255

Abstract: A mother substrate for an organic light-emitting display apparatus. The mother substrate has a panel area and a peripheral area surrounding the panel area, pixels disposed in a display area of the panel area, pads that are disposed in a non-display area of the panel area and are coupled to the pixels, test wirings disposed in the peripheral area, a local buffer electrically connected to the test wirings, a bridge wiring connecting the local buffer to one of the pads, and a dummy resistance layer having one end in contact with the bridge wiring and another end in contact with one of the test wirings.

Abstract translation: 用于有机发光显示装置的母基板。 母基板具有面板区域和围绕面板区域的周边区域，设置在面板区域的显示区域中的像素，设置在面板区域的非显示区域中并耦合到像素的测试布线 设置在周边区域中，电连接到测试布线的局部缓冲器，将本地缓冲器连接到其中一个焊盘的桥接布线，以及具有与桥接布线接触的一端的虚拟电阻层， 的测试线。

公开(公告)号：US20140049454A1

公开(公告)日：2014-02-20

申请号：US13680988

申请日：2012-11-19

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Ji-Hyun Ka

IPC: G09G3/32

CPC classification number: G09G3/3208 ,  G09G3/3233 ,  G09G2300/0814 ,  G09G2300/0819 ,  G09G2300/0861 ,  G09G2320/0238

Abstract: A pixel capable of increasing a contrast ratio includes an organic light emitting diode (OLED), a first transistor for controlling an amount of current supplied from a first node coupled to a first electrode thereof to the OLED coupled to a second electrode thereof so as to correspond to a voltage applied to a second node, a second transistor coupled between the second electrode of the first transistor and the OLED and turned off when an emission control signal is supplied to an emission control line, and a capacitor coupled between the second electrode of the first transistor and the emission control line.

Abstract translation: 能够增加对比度的像素包括有机发光二极管（OLED），第一晶体管，用于控制从耦合到其第一电极的第一节点耦合到其第二电极的OLED提供的电流量，以便 对应于施加到第二节点的电压，耦合在第一晶体管的第二电极和OLED之间的第二晶体管，并且当发射控制信号被提供给发射控制线时被截止;以及电容器，耦合在第二电极的第二电极 第一个晶体管和排放控制线。

公开(公告)号：USRE50207E1

公开(公告)日：2024-11-12

申请号：US17751469

申请日：2022-05-23

Applicant: Samsung Display Co., Ltd.

Inventor： Ok-Kyung Park ,  Ji-Hyun Ka

IPC: G09G3/30 ,  G09G3/00 ,  G09G3/3258 ,  G09G3/3291 ,  G09G3/36 ,  H01L27/32 ,  H10K59/123 ,  H10K71/00

Abstract: A flat panel display device formed in a pentile structure is provided, which includes a pixel portion and a lighting tester. The pixel portion includes a first pixel column, a second pixel column and a third pixel column. In the first pixel column, first pixels for displaying a first color and second pixels for displaying a second color are alternately arranged in a direction the data lines. In the second pixel column, first and second pixels arranged in reverse order of the first pixel column in a direction parallel to the data lines. In the third pixel column, third pixels for displaying a third color are arranged in a direction parallel to the data lines. The lighting tester applies a first voltage to the first pixel column and applies a second voltage to the second pixel column during a first time period. The lighting tester applies the second voltage to the first pixel column and applies the first voltage to the second pixel column during a second time period.

公开(公告)号：US12029082B2

公开(公告)日：2024-07-02

申请号：US17090056

申请日：2020-11-05

Applicant: Samsung Display Co., Ltd.

Inventor： Ji-Hyun Ka ,  Taehoon Kwon ,  Ji-Eun Lee ,  Minhee Choi

IPC: H10K59/131 ,  H10K50/844

CPC classification number: H10K59/131 ,  H10K50/844

Abstract: A display device includes: a base layer comprising a first portion, a second portion extending from the first portion, and a third portion extending from the second portion; a first light emitting element disposed on the first portion; a first front signal line electrically connected to the first light emitting element and disposed on the first portion; a second front signal line electrically connected to the first front signal line, disposed on the first portion, disposed in a different layer from the first front signal line, and overlapping the first front signal line; a first connection line electrically connected to the first and second front signal lines, disposed on the second portion, and disposed in a different layer from the first and second front signal lines; and a first rear signal line electrically connected to the first connection line and disposed on the third portion.

公开(公告)号：US11696377B2

公开(公告)日：2023-07-04

申请号：US17392183

申请日：2021-08-02

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Ji-Hyun Ka ,  Won-Kyu Kwak

IPC: H05B33/22 ,  G06F1/16 ,  G06F3/041 ,  H01L51/00 ,  H01L51/52 ,  H01L27/32 ,  H05B33/04 ,  H10K50/844 ,  H10K59/131 ,  H10K77/10 ,  G02F1/1333 ,  H10K102/00

CPC classification number: H05B33/22 ,  G06F1/1601 ,  G06F1/1637 ,  G06F1/1643 ,  G06F1/1652 ,  G06F3/041 ,  G06F3/0412 ,  H05B33/04 ,  H10K50/844 ,  H10K59/131 ,  H10K77/111 ,  G02F1/133308 ,  G06F2203/04102 ,  H10K2102/311 ,  Y02E10/549

Abstract: A flexible display panel and a display apparatus including the flexible display panel are disclosed. The flexible display panel includes an encapsulated panel, a first protective film on one side of the encapsulated panel, and a second protective film on another side of the encapsulated panel. The encapsulated panel includes a flexible panel and a flexible encapsulation member on the flexible panel. The flexible panel includes a first region on a first plane and that includes a display region, and a second region on a second plane that is bent with respect to the first plane and that includes a non-display region. The flexible encapsulation member encapsulates the display region. The display apparatus also includes a support unit for maintaining a shape of the flexible panel.

公开(公告)号：US11690259B2

公开(公告)日：2023-06-27

申请号：US17235058

申请日：2021-04-20

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Dongsoo Kim ,  Ji-Hyun Ka

IPC: H01L27/12 ,  H01L29/786 ,  G09G3/3233 ,  H10K59/126 ,  H10K59/131 ,  H10K59/121 ,  H10K59/12

CPC classification number: H10K59/126 ,  G09G3/3233 ,  H10K59/1213 ,  H10K59/131 ,  G09G2310/0262 ,  G09G2320/045 ,  H01L27/1225 ,  H01L29/7869 ,  H01L29/78672 ,  H10K59/1201

Abstract: An organic light emitting display (OLED) device includes an organic light emitting diode having an anode and a cathode. The organic light emitting diode is configured to receive a reference voltage. A control transistor includes a first control electrode and a first semiconductor active layer. The control transistor is configured to receive a control signal. A driving transistor includes a second control electrode that is electrically connected to the control transistor, an input electrode that is configured to receive a power voltage, an output electrode that is electrically connected to the anode of the organic light emitting diode, and a second semiconductor active layer that includes a different material from that of the first semiconductor active layer. A shielding electrode is disposed on the second semiconductor active layer, overlapping the driving transistor, and configured to receive the power voltage.

公开(公告)号：US11631730B2

公开(公告)日：2023-04-18

申请号：US17090493

申请日：2020-11-05

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Ji-Hyun Ka ,  Seung-Kyu Lee ,  Hwan-Soo Jang ,  Jin-Tae Jeong

IPC: H01L27/32 ,  H01L51/56

Abstract: A display apparatus includes a substrate including a display area, a peripheral area surrounding the display area, a function-adding area, of which at least a portion is surrounded by the display area, and a detour area disposed between tine display area and the function-adding area. The display apparatus includes a plurality of pixel circuits disposed in the display area. A plurality of driving lines are electrically connected to the pixel circuits and extend in a direction in the display area. A first detour line is disposed in the detour area and is electrically connected to a first driving line. A second detour line is disposed in the detour area. The second detour line is electrically connected to a second driving line and is disposed in a different layer from the first detour line.

公开(公告)号：US11587513B2

公开(公告)日：2023-02-21

申请号：US17321825

申请日：2021-05-17

Applicant: Samsung Display Co., Ltd.

Inventor： Hai-Jung In ,  Kimyeong Eom ,  Ji-Hyun Ka

IPC: G09G3/3291

Abstract: An emission driver includes a plurality of stages. A stage of the plurality of stages receives a start signal, a first clock signal, a second clock signal, a protection signal, a first gate power voltage and a second gate power voltage and outputs an emission signal. The stage of the plurality of stages includes a pull-up switching element connected between a first gate power voltage terminal which receives the first gate power voltage and an emission signal output terminal which outputs the emission signal, a pull-down switching element connected between a second gate power voltage terminal which receives the second gate power voltage and the emission signal output terminal and a protection switching element which applies the first gate power voltage to a control electrode of the pull-down switching element in response to the protection signal.

公开(公告)号：US11574594B2

公开(公告)日：2023-02-07

申请号：US17199851

申请日：2021-03-12

Applicant: Samsung Display Co., Ltd.

Inventor： Ji-Hyun Ka ,  Nackhyeon Keum ,  Kimyeong Eom

IPC: G09G3/3258 ,  G09G3/3291 ,  G09G3/3266

Abstract: A display panel of an OLED display device includes a first pixel configured to emit first color light, a second pixel configured to emit second color light, and a third pixel configured to emit third color light. Each of the first, second and third pixels includes at least two transistors, at least one capacitor and an organic light emitting diode. At least one of at least two transistors or at least one capacitor included in the third pixel has a size different from a size of a corresponding one at least two transistors or at least one capacitor included in the first pixel or the second pixel.