公开(公告)号：US20160300528A1

公开(公告)日：2016-10-13

申请号：US15184599

申请日：2016-06-16

Applicant: LG DISPLAY CO., LTD.

Inventor： Namyong Kong ,  Woosup Shin ,  Kwonshik Park ,  Chonghun Park ,  Uijin Chung

IPC: G09G3/3233 ,  H01L29/786 ,  G09G3/325 ,  H01L27/32 ,  G09G3/3266 ,  G09G3/3283

CPC classification number: G09G3/3233 ,  G09G3/325 ,  G09G3/3266 ,  G09G3/3283 ,  G09G2300/043 ,  G09G2300/0469 ,  G09G2300/0809 ,  G09G2300/0842 ,  G09G2320/0233 ,  G09G2320/0295 ,  G09G2320/043 ,  H01L27/1214 ,  H01L27/3262 ,  H01L27/3265 ,  H01L29/78645

Abstract: An organic light emitting display includes a display panel, which includes a plurality of pixels and displays an image, and a data driving circuit differently outputting a compensation voltage depending on a sensing value based on a driving current. Each of the plurality of pixels includes an organic light emitting diode, a driving thin film transistor (TFT) having a double gate structure including a main gate electrode and a sub-gate electrode, a switching TFT applying a data voltage determining the driving current to the main gate electrode of the driving TFT, and a compensation TFT applying the compensation voltage for compensating for a shift amount of a threshold voltage of the driving TFT to the sub-gate electrode of the driving TFT.

Abstract translation: 有机发光显示器包括：显示面板，其包括多个像素并显示图像;以及数据驱动电路，其基于驱动电流根据感测值不同地输出补偿电压。 多个像素中的每一个包括有机发光二极管，具有包括主栅电极和子栅电极的双栅极结构的驱动薄膜晶体管（TFT），施加确定驱动电流的数据电压的开关TFT 驱动TFT的主栅电极和补偿TFT，其补偿用于补偿驱动TFT的阈值电压的偏移量到驱动TFT的子栅电极的补偿电压。

公开(公告)号：US09396679B2

公开(公告)日：2016-07-19

申请号：US14078796

申请日：2013-11-13

Applicant: LG DISPLAY CO., LTD.

Inventor： Namyong Kong ,  Woosup Shin ,  Kwonshik Park ,  Chonghun Park ,  Uijin Chung

IPC: G09G3/32

CPC classification number: G09G3/3233 ,  G09G3/325 ,  G09G3/3266 ,  G09G3/3283 ,  G09G2300/043 ,  G09G2300/0469 ,  G09G2300/0809 ,  G09G2300/0842 ,  G09G2320/0233 ,  G09G2320/0295 ,  G09G2320/043 ,  H01L27/1214 ,  H01L27/3262 ,  H01L27/3265 ,  H01L29/78645

Abstract: An organic light emitting display includes a display panel, which includes a plurality of pixels and displays an image, and a data driving circuit differently outputting a compensation voltage depending on a sensing value based on a driving current. Each of the plurality of pixels includes an organic light emitting diode, a driving thin film transistor (TFT) having a double gate structure including a main gate electrode and a sub-gate electrode, a switching TFT applying a data voltage determining the driving current to the main gate electrode of the driving TFT, and a compensation TFT applying the compensation voltage for compensating for a shift amount of a threshold voltage of the driving TFT to the sub-gate electrode of the driving TFT.

Abstract translation: 有机发光显示器包括：显示面板，其包括多个像素并显示图像;以及数据驱动电路，其基于驱动电流根据感测值不同地输出补偿电压。 多个像素中的每一个包括有机发光二极管，具有包括主栅电极和子栅电极的双栅极结构的驱动薄膜晶体管（TFT），施加确定驱动电流的数据电压的开关TFT 驱动TFT的主栅电极和补偿TFT，其补偿用于补偿驱动TFT的阈值电压的偏移量到驱动TFT的子栅电极的补偿电压。

公开(公告)号：US10930715B2

公开(公告)日：2021-02-23

申请号：US16146126

申请日：2018-09-28

Applicant: LG Display Co., Ltd.

Inventor： Hangsup Cho ,  Seongeun Park ,  Woosup Shin ,  Hyeonwoo Lee ,  Bongchul Kim

IPC: H01L27/32 ,  G06F1/16 ,  H01L51/00 ,  H01L51/56 ,  H01L51/52

Abstract: A flexible display device and a method for manufacturing a flexible display device are provided. A flexible display device includes: a support substrate having a first thickness and including a first material, the support substrate further including first and second main faces opposite to each other, a buffer substrate on the first main face of the support substrate, the buffer substrate having a second thickness smaller than the first thickness, and the buffer substrate including a second material more flexible than the first material, a thin-film transistor array on the buffer substrate, such that the buffer substrate is between the thin-film transistor array and the support substrate, and a sealing substrate fixed above the thin-film transistor array, the thin-film transistor array being between the buffer substrate and the sealing substrate.

公开(公告)号：US09202690B2

公开(公告)日：2015-12-01

申请号：US14137717

申请日：2013-12-20

Applicant: Intermolecular, Inc. ,  LG Display Co., Ltd.

Inventor： Sang Lee ,  Stuart Brinkley ,  Yoon-Kyung Chang ,  Seon-Mee Cho ,  Min-Cheol Kim ,  Kwon-Sik Park ,  Woosup Shin

IPC: H01L21/00 ,  H01L21/16 ,  H01L29/10 ,  H01L29/12 ,  H01L21/02 ,  H01L29/786 ,  H01L29/66

CPC classification number: H01L21/02667 ,  H01L21/02554 ,  H01L21/02565 ,  H01L29/66969 ,  H01L29/7869

Abstract: Embodiments described herein provide method for forming crystalline indium-gallium-zinc oxide (IGZO). A substrate is provided. An IGZO layer is formed above the substrate. The IGZO layer is annealed in an environment consisting essentially of nitrogen gas.

Abstract translation: 本文所述的实施方案提供了形成晶体铟镓锌氧化物（IGZO）的方法。 提供基板。 在基板上形成IGZO层。 IGZO层在基本上由氮气组成的环境中退火。

公开(公告)号：US20150179448A1

公开(公告)日：2015-06-25

申请号：US14137717

申请日：2013-12-20

Applicant: LG Display Co., Ltd. ,  Intermolecular, Inc.

Inventor： Sang Lee ,  Stuart Brinkley ,  Yoon-Kyung Chang ,  Seon-Mee Cho ,  Min-Cheol Kim ,  Kwon-Sik Park ,  Woosup Shin

IPC: H01L21/02 ,  H01L29/66 ,  H01L29/786

CPC classification number: H01L21/02667 ,  H01L21/02554 ,  H01L21/02565 ,  H01L29/66969 ,  H01L29/7869

Abstract: Embodiments described herein provide method for forming crystalline indium-gallium-zinc oxide (IGZO). A substrate is provided. An IGZO layer is formed above the substrate. The IGZO layer is annealed in an environment consisting essentially of nitrogen gas.

Abstract translation: 本文所述的实施方案提供了形成晶体铟镓锌氧化物（IGZO）的方法。 提供基板。 在基板上形成IGZO层。 IGZO层在基本上由氮气组成的环境中退火。

公开(公告)号：US09722049B2

公开(公告)日：2017-08-01

申请号：US14138750

申请日：2013-12-23

Applicant: Intermolecular Inc. ,  LG Display Co., Ltd.

Inventor： Sang Lee ,  Khaled Ahmed ,  Youn-Gyoung Chang ,  Min-Cheol Kim ,  Minh Huu Le ,  Kwon-Sik Park ,  Woosup Shin

IPC: H01L21/00 ,  H01L29/66

CPC classification number: H01L29/66742 ,  H01L29/66969 ,  H01L29/7869 ,  H01L29/78696

Abstract: Embodiments described herein provide method for forming crystalline indium-gallium-zinc oxide (IGZO). A substrate is provided. A seed layer is formed above the substrate. The seed layer has a crystalline structure that is substantially dominant along the c-axis. An IGZO layer is formed above the seed layer. The seed layer may include zinc oxide. A stack of alternating seed layers and IGZO layers may be formed.

公开(公告)号：US20150179446A1

公开(公告)日：2015-06-25

申请号：US14137749

申请日：2013-12-20

Applicant: LG DISPLAY CO., LTD. ,  INTERMOLECULAR, INC.

Inventor： Sang Lee ,  Stuart Brinkley ,  Yoon-Kyung Chang ,  Seon-Mee Cho ,  Min-Cheol Kim ,  Kwon-Sik Park ,  Woosup Shin

IPC: H01L21/02 ,  H01L29/66 ,  H01L29/786

CPC classification number: H01L29/66969 ,  H01L21/02554 ,  H01L21/02565 ,  H01L21/02631 ,  H01L21/02667 ,  H01L29/7869

Abstract: Embodiments described herein provide method for forming crystalline indium-gallium-zinc oxide (IGZO). A substrate is provided. A layer is formed above the substrate using a PVD process. The layer includes indium, gallium, zinc, or a combination thereof. The PVD process is performed in a gaseous environment having a pressure of between about 1 mT and about 5 mT and including between about 20% and about 100% oxygen gas. The PVD process may be performed at a processing temperature between about 25° C. and about 400° C. The duty cycle of the PVD process may be between about 70% and about 100%.

Abstract translation: 本文所述的实施方案提供了形成晶体铟镓锌氧化物（IGZO）的方法。 提供基板。 使用PVD工艺在衬底上形成一层。 该层包括铟，镓，锌或其组合。 PVD工艺在压力为约1mT至约5mT，包括约20％至约100％氧气的气态环境中进行。 PVD工艺可以在约25℃至约400℃的加工温度下进行.RPC工艺的占空比可以在约70％至约100％之间。

公开(公告)号：US20150179444A1

公开(公告)日：2015-06-25

申请号：US14139195

申请日：2013-12-23

Applicant: LG Display Co., Ltd. ,  Intermolecular, Inc.

Inventor： Sang Lee ,  Yoon-Kyung Chang ,  Seon-Mee Cho ,  Min-Cheol Kim ,  Kwon-Sik Park ,  Woosup Shin

IPC: H01L21/02 ,  H01L29/786 ,  H01L29/66

CPC classification number: H01L21/02554 ,  H01L21/02565 ,  H01L21/0262 ,  H01L21/02631 ,  H01L29/66969 ,  H01L29/7869

Abstract: Embodiments described herein provide method for forming crystalline indium-gallium-zinc oxide (IGZO). A substrate is positioned relative to at least one target. The at least one target includes indium, gallium, zinc, or a combination thereof. A substantially constant voltage is provided across the substrate and the at least one target to cause a plasma species to impact the at least one target. The impacting of the plasma species on the at least one target causes material to be ejected from the at least one target to form an IGZO layer above the substrate.

Abstract translation: 本文所述的实施方案提供了形成晶体铟镓锌氧化物（IGZO）的方法。 衬底相对于至少一个靶定位。 所述至少一个靶包括铟，镓，锌或其组合。 在衬底和至少一个靶上提供基本上恒定的电压，以使等离子体物质影响至少一个靶。 等离子体物质对至少一个靶材的影响使材料从至少一个靶材喷出，以在基底上方形成IGZO层。

公开(公告)号：US20150179442A1

公开(公告)日：2015-06-25

申请号：US14138750

申请日：2013-12-23

Applicant: LG Display Co., Ltd. ,  Intermolecular Inc.

Inventor： Sang Lee ,  Khaled Ahmed ,  Yoon-Kyung Chang ,  Min-Cheol Kim ,  Minh Huu Le ,  Kwon-Sik Park ,  Woosup Shin

IPC: H01L21/02 ,  H01L29/66

CPC classification number: H01L29/66742 ,  H01L29/66969 ,  H01L29/7869 ,  H01L29/78696

Abstract: Embodiments described herein provide method for forming crystalline indium-gallium-zinc oxide (IGZO). A substrate is provided. A seed layer is formed above the substrate. The seed layer has a crystalline structure that is substantially dominant along the c-axis. An IGZO layer is formed above the seed layer. The seed layer may include zinc oxide. A stack of alternating seed layers and IGZO layers may be formed.

Abstract translation: 本文所述的实施方案提供了形成晶体铟镓锌氧化物（IGZO）的方法。 提供基板。 种子层形成在衬底上。 种子层具有沿着c轴基本上占优势的晶体结构。 在种子层上方形成IGZO层。 种子层可以包括氧化锌。 可以形成交替种子层和IGZO层的堆叠。

公开(公告)号：US08937690B2

公开(公告)日：2015-01-20

申请号：US13689448

申请日：2012-11-29

Applicant: LG Display Co., Ltd.

Inventor： Seunghee Nam ,  Woosup Shin ,  Soonsung Yoo ,  Namkook Kim

IPC: G02F1/1335 ,  G02F1/1333 ,  G06F3/041 ,  G02F1/1362 ,  G02F1/1343

CPC classification number: G02F1/136286 ,  G02F1/13338 ,  G02F1/134363 ,  G06F3/0412 ,  G06F3/044

Abstract: A liquid crystal display device including a touch panel having a simple structure and minimized thickness is provided. The liquid crystal display (LCD) device according to an embodiment includes a liquid crystal panel and a touch panel structure. The liquid crystal panel includes a thin film transistor (TFT) array substrate, a color filter substrate having a black matrix therein, and a liquid crystal layer disposed between the TFT array substrate and the color filter substrate. The touch panel structure includes at least one touch sensor. Each touch sensor includes a first electrode disposed within the liquid crystal panel, and a second electrode disposed outside the liquid crystal panel.

Abstract translation: 提供了一种包括具有简单结构和最小厚度的触摸面板的液晶显示装置。 根据实施例的液晶显示器（LCD）装置包括液晶面板和触摸面板结构。 液晶面板包括薄膜晶体管（TFT）阵列基板，其中具有黑矩阵的滤色器基板和设置在TFT阵列基板和滤色器基板之间的液晶层。 触摸面板结构包括至少一个触摸传感器。 每个触摸传感器包括设置在液晶面板内的第一电极和设置在液晶面板外部的第二电极。