公开(公告)号：US11444144B2

公开(公告)日：2022-09-13

申请号：US16856918

申请日：2020-04-23

Applicant: Samsung Display Co., Ltd.

Inventor： Keonwoo Kim ,  Deukjong Kim ,  Dong-Hyun Lee ,  Deok-Young Choi

IPC: H01L27/32 ,  H01L51/52

Abstract: A display device includes first and second signal lines, first and second signal pads, and a pad insulating layer overlapping with the first and second signal lines. The first signal pad includes an intermediate conductive pattern overlapping with and connected to an end portion of the first signal line, and an upper conductive pattern on the intermediate conductive pattern, the upper conductive pattern being exposed through the pad insulating layer. The intermediate conductive pattern includes a first portion overlapping with the end portion of the first signal line, and a second portion between the end portion of the first signal line and an end portion of the second signal line and extending from the first portion. The upper conductive pattern is connected to the second portion of the intermediate conductive pattern.

公开(公告)号：US11322572B2

公开(公告)日：2022-05-03

申请号：US16784844

申请日：2020-02-07

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Dae-Hyun Noh ,  Yong Sung Park ,  Won Jang Ki ,  Dong-Hyun Lee ,  Min Su Lee ,  Seung Bin Lee

IPC: H01L27/32

Abstract: An organic light emitting diode display is described which includes a substrate having a display area and a non-display area; a metal layer disposed on the non-display area of the substrate, an insulating layer, a voltage line disposed on the gate insulating layer and receiving a driving voltage, a second voltage line disposed on the gate insulating layer and receiving a low driving voltage, an organic insulating layer, and a cathode electrode disposed on the organic insulating layer. The second voltage line and the cathode electrode are electrically connected to each other through an opening formed in the organic insulating layer, and the first voltage line or the second voltage line is electrically connected to the metal layer through an opening formed in the gate insulating layer.

公开(公告)号：US11194432B2

公开(公告)日：2021-12-07

申请号：US16850074

申请日：2020-04-16

Applicant: Samsung Display Co., Ltd.

Inventor： Keonwoo Kim ,  Deukjong Kim ,  Hyunwoo Kim ,  Dong-Hyun Lee ,  Sangmi Jeon ,  Joohye Jung

IPC: G06F3/044 ,  H01L27/32

Abstract: A display device includes: a base layer including a display area and a non-display area; a circuit element layer disposed on the base layer; a display element layer disposed on the circuit element layer; a plurality of signal pads disposed on the base layer, wherein the plurality of signal pads are spaced a predetermined interval from each other, and are electrically connected to the circuit element layer; and an input sensing layer including a conductive layer and an input insulation layer, wherein the conductive layer is disposed on the display element layer, and the input insulation layer covers the conductive layer and a portion of each of the signal pads. Each of the signal pads includes a first pad portion and a second pad portion, wherein the first pad portion overlaps the input insulation layer, and the second pad portion does not overlap the input insulation layer.

公开(公告)号：US10971567B2

公开(公告)日：2021-04-06

申请号：US16548656

申请日：2019-08-22

Applicant: Samsung Display Co., Ltd.

Inventor： Jae Hak Lee ,  Ho Kyoon Kwon ,  Deuk Jong Kim ,  Dong-Hyun Lee ,  Ji Hye Heo

IPC: H01L27/32 ,  H01L27/15 ,  H01L51/00

Abstract: An embodiment of the present invention provides a display device including a substrate including a display area, and a peripheral area outside the display area and including a bending area, a first conductive layer including a first signal wire over the substrate, a first insulating layer over the first conductive layer, a second insulating layer in a different layer from the first insulating layer, overlapping the bending area, and having a first edge positioned around the bending area, and a protector over the second insulating layer, wherein the first signal wire is in the peripheral area, crosses the first edge of the second insulating layer, does not overlap the bending area, and includes a first portion not covered by the second insulating layer, and wherein the protector overlaps at least a portion of the first portion, and has an edge that is parallel with an edge of the first portion.

公开(公告)号：US10797121B2

公开(公告)日：2020-10-06

申请号：US16059553

申请日：2018-08-09

Applicant: SAMSUNG DISPLAY CO, LTD.

Inventor： Dong-Hyun Lee ,  Deukjong Kim ,  Jaehak Lee

IPC: H01L27/32 ,  H01L51/52

Abstract: A display apparatus includes a display area in which a plurality of pixels are disposed to display an image and a peripheral area which is a non-display area. The display apparatus includes a first power line which is disposed in the peripheral area and provides a first voltage to the plurality of pixels, and a second power line which is disposed in the peripheral area and provides a second voltage different from the first voltage to the plurality of pixels. At least a portion of the first power line overlaps the second power line in the peripheral area.

公开(公告)号：US10714563B2

公开(公告)日：2020-07-14

申请号：US16175769

申请日：2018-10-30

Applicant: Samsung Display Co., Ltd.

Inventor： Dong-Hyun Lee ,  Hyeon-Do Park ,  Ha Gyeong Song ,  Hyun Young Choi

IPC: G09G3/20 ,  H01L27/32 ,  H01L27/12 ,  G09G3/36 ,  H01L29/786 ,  G09G3/3233 ,  G09G3/3258 ,  H01B7/28 ,  G02F1/1345 ,  G02F1/1333

Abstract: The present disclosure relates to a display device. The display device according to an exemplary embodiment includes a display area comprising a plurality of pixels, a peripheral area that is disposed outside the display area, and a wiring portion in the peripheral area. The wiring portion includes a plurality of signal lines that are adjacent to each other and are arranged along a first direction and each extends in a second direction that is different from the first direction. The plurality of signal lines are arranged in an order of average voltages of signals respectively transmitted by the plurality of signal lines during one frame.

公开(公告)号：US10431640B2

公开(公告)日：2019-10-01

申请号：US15867455

申请日：2018-01-10

Applicant: Samsung Display Co., Ltd.

Inventor： Jae Hak Lee ,  Ho Kyoon Kwon ,  Deuk Jong Kim ,  Dong-Hyun Lee ,  Ji Hye Heo

IPC: H01L27/32 ,  H01L51/00 ,  H01L27/15

Abstract: An embodiment of the present invention provides a display device including a substrate including a display area, and a peripheral area outside the display area and including a bending area, a first conductive layer including a first signal wire over the substrate, a first insulating layer over the first conductive layer, a second insulating layer in a different layer from the first insulating layer, overlapping the bending area, and having a first edge positioned around the bending area, and a protector over the second insulating layer, wherein the first signal wire is in the peripheral area, crosses the first edge of the second insulating layer, does not overlap the bending area, and includes a first portion not covered by the second insulating layer, and wherein the protector overlaps at least a portion of the first portion, and has an edge that is parallel with an edge of the first portion.

公开(公告)号：US10304918B2

公开(公告)日：2019-05-28

申请号：US15703786

申请日：2017-09-13

Applicant: Samsung Display Co., Ltd.

Inventor： Dong-Hyun Lee ,  Jeongho Lee

IPC: H01L27/32 ,  H01L51/00 ,  H01L51/56 ,  G09G3/3225 ,  H01L51/52 ,  G09G3/3233

Abstract: An organic light emitting display device includes: a substrate including an emission region and a non-emission region; a pixel circuit on the substrate, a portion of the pixel circuit overlapping with the emission region; a planarizing conductive member on the pixel circuit; and a pixel electrode on the planarizing conductive member, the pixel electrode having a planarized surface at the emission region.

公开(公告)号：US09576797B2

公开(公告)日：2017-02-21

申请号：US14721621

申请日：2015-05-26

Applicant: Samsung Display Co., Ltd.

Inventor： Dong-Hyun Lee ,  Ki-Yong Lee ,  Jin-Wook Seo ,  Tae-Hoon Yang ,  Yun-Mo Chung ,  Byoung-Keon Park ,  Kil-Won Lee ,  Jong-Ryuk Park ,  Bo-Kyung Choi ,  Byung-Soo So

IPC: H01L21/02 ,  H01L29/786 ,  H01L29/66 ,  H01L27/12 ,  H01L21/477 ,  H01L27/32

CPC classification number: H01L21/02672 ,  H01L21/0206 ,  H01L21/02488 ,  H01L21/02491 ,  H01L21/02532 ,  H01L21/477 ,  H01L27/1277 ,  H01L27/3244 ,  H01L29/66757 ,  H01L29/78603 ,  H01L29/78675

Abstract: A method of fabricating a polysilicon layer includes forming a buffer layer on a substrate, forming a metal catalyst layer on the buffer layer, diffusing a metal catalyst into the metal catalyst layer to the buffer layer, removing the metal catalyst layer, forming an amorphous silicon layer on the buffer layer, and annealing the substrate to crystallize the amorphous silicon layer into a polysilicon layer. The thin film transistor includes a substrate, a buffer layer disposed on the substrate, a semiconductor layer disposed on the buffer layer, a gate insulating layer disposed above the substrate and on the semiconductor layer, a gate electrode disposed on the gate insulating layer, a source electrode and a drain electrode both electrically connected to the semiconductor layer, and a metal silicide disposed between the buffer layer and the semiconductor layer.

Abstract translation: 制造多晶硅层的方法包括在基板上形成缓冲层，在缓冲层上形成金属催化剂层，将金属催化剂向金属催化剂层扩散至缓冲层，除去金属催化剂层，形成非晶硅 层，并且使基板退火以将非晶硅层结晶成多晶硅层。 薄膜晶体管包括基板，设置在基板上的缓冲层，设置在缓冲层上的半导体层，设置在基板上方和半导体层上的栅极绝缘层，设置在栅极绝缘层上的栅电极， 源极电极和漏电极，两者电连接到半导体层，以及设置在缓冲层和半导体层之间的金属硅化物。

公开(公告)号：US09035311B2

公开(公告)日：2015-05-19

申请号：US13841121

申请日：2013-03-15

Applicant: Samsung Display Co., Ltd.

Inventor： Byoung-Keon Park ,  Tae-Hoon Yang ,  Jin-Wook Seo ,  Soo-Beom Jo ,  Dong-Hyun Lee ,  Kil-Won Lee ,  Maxim Lisachenko ,  Yun-Mo Chung ,  Bo-Kyung Choi ,  Jong-Ryuk Park ,  Ki-Yong Lee

IPC: H01L29/12 ,  H01L29/786 ,  H01L51/52 ,  H01L27/32

CPC classification number: H01L51/52 ,  H01L27/3265 ,  H01L2227/323

Abstract: An organic light emitting diode (OLED) display device and a method of fabricating the same are provided. The OLED display device includes a substrate having a thin film transistor region and a capacitor region, a buffer layer disposed on the substrate, a gate insulating layer disposed on the substrate, a lower capacitor electrode disposed on the gate insulating layer in the capacitor region, an interlayer insulating layer disposed on the substrate, and an upper capacitor electrode disposed on the interlayer insulating layer and facing the lower capacitor electrode, wherein regions of each of the buffer layer, the gate insulating layer, the interlayer insulating layer, the lower capacitor electrode, and the upper capacitor electrode have surfaces in which protrusions having the same shape as grain boundaries of the semiconductor layer are formed. The resultant capacitor has an increased surface area, and therefore, an increased capacitance.

Abstract translation: 提供了一种有机发光二极管（OLED）显示装置及其制造方法。 OLED显示装置包括具有薄膜晶体管区域和电容器区域的基板，设置在基板上的缓冲层，设置在基板上的栅极绝缘层，设置在电容器区域的栅极绝缘层上的下部电容电极， 设置在所述基板上的层间绝缘层，以及设置在所述层间绝缘层上并面向所述下部电容电极的上部电容电极，其中，所述缓冲层，所述栅极绝缘层，所述层间绝缘层，所述下部电容电极 并且上部电容器电极具有形成具有与半导体层的晶界相同形状的突起的表面。 所得的电容器具有增加的表面积，因此增加电容。