公开(公告)号：US20200075871A1

公开(公告)日：2020-03-05

申请号：US16676561

申请日：2019-11-07

Applicant: Japan Display Inc.

Inventor： Satoshi MARUYAMA

IPC: H01L51/00 ,  H01L27/12 ,  H01L27/32 ,  H01L51/05

Abstract: A display device having an improved display characteristics and reduced manufacturing cost is provided. The display device includes a plurality of pixels arranged on a surface of a substrate. The plurality of pixels each include: a light-emitting element; a driving transistor; a selecting transistor; and a retention capacitor. The driving transistor has a bottom-gate structure. The driving transistor has a semiconductor layer containing a first semiconductor. The retention capacitor has a first electrode and a second electrode. The first electrode doubles as a gate of the driving transistor. The second electrode is disposed at a lower layer than the first electrode and contains a second semiconductor.

公开(公告)号：US20200035938A1

公开(公告)日：2020-01-30

申请号：US16594143

申请日：2019-10-07

Applicant: Japan Display Inc.

Inventor： Kohei KURATA ,  Satoshi MARUYAMA

IPC: H01L51/50 ,  H01L27/32 ,  H01L27/12 ,  H01L51/52

Abstract: A display device according to the present invention includes a substrate, and a plurality of pixels arranged in the substrate, wherein each of the plurality of pixels includes a light emitting element, a first transistor, a second transistor, a first insulation layer and a second insulation layer, the first transistor includes a first semiconductor layer, the second transistor includes a second semiconductor layer, the first insulation layer is arranged across the plurality of pixels between the first semiconductor layer and the second semiconductor layer, the second insulation layer is arranged between the first insulation layer and the second semiconductor layer, the first semiconductor layer is arranged on the substrate side sandwiching the first insulation layer with respect to the second semiconductor layer, the first insulation layer includes a silicon oxide layer; and the second insulation layer includes an aluminum oxide layer.

公开(公告)号：US20240423013A1

公开(公告)日：2024-12-19

申请号：US18816133

申请日：2024-08-27

Applicant: Japan Display Inc.

Inventor： Satoshi MARUYAMA

IPC: H10K50/844 ,  H10K50/842 ,  H10K71/00 ,  H10K102/00

Abstract: The display device includes a substrate including a first resin layer, a second resin layer overlapping the first resin layer, and a first inorganic insulating layer between the first resin layer and the second resin layer, and having flexibility, a display region provided on the substrate, a terminal region arranged outside the display region on the substrate, and a bending region arranged between the display region and the terminal region. A thickness of the second resin layer is larger than a thickness of the first resin layer. The substrate includes a first region and a second region. The first resin layer, the first inorganic insulating layer, and the second resin layer are laminated in the first region. The first resin layer and the second resin layer are laminated in the second region and the first inorganic insulating layer is not laminated in the second region.

公开(公告)号：US20240365588A1

公开(公告)日：2024-10-31

申请号：US18766944

申请日：2024-07-09

Applicant: Japan Display Inc.

Inventor： Satoshi MARUYAMA

IPC: H10K59/121 ,  H01L27/06 ,  H01L27/12 ,  H01L29/66 ,  H01L29/786 ,  H10K59/12 ,  H10K59/131

CPC classification number: H10K59/1213 ,  H01L27/1225 ,  H01L27/1251 ,  H01L27/1255 ,  H01L27/1259 ,  H10K59/1216 ,  H10K59/131 ,  H01L27/0688 ,  H01L27/1222 ,  H01L27/124 ,  H01L27/1262 ,  H01L29/66757 ,  H01L29/66969 ,  H01L29/78675 ,  H01L29/7869 ,  H10K59/1201

Abstract: A plurality of thin film transistors provided in a peripheral region are first staggered thin film transistors where a first channel layer configured of low-temperature polysilicon is included, and the first channel layer is not interposed between a first source electrode and a first gate electrode, and between a first drain electrode and the first gate electrode. A plurality of thin film transistors provided in a display region are second staggered thin film transistors where a second channel layer configured of an oxide semiconductor is included, and the second channel layer is not interposed between a second source electrode and a second gate electrode, and between a second drain electrode and the second gate electrode. The first thin film transistor is located below the second thin film transistor.

公开(公告)号：US20210028377A1

公开(公告)日：2021-01-28

申请号：US17071378

申请日：2020-10-15

Applicant: Japan Display Inc.

Inventor： Satoshi MARUYAMA

IPC: H01L51/00 ,  H01L27/12 ,  H01L27/32 ,  H01L51/05

Abstract: A display device having an improved display characteristics and reduced manufacturing cost is provided. The display device includes a plurality of pixels arranged on a surface of a substrate. The plurality of pixels each include: a light-emitting element; a driving transistor; a selecting transistor; and a retention capacitor. The driving transistor has a bottom-gate structure. The driving transistor has a semiconductor layer containing a first semiconductor. The retention capacitor has a first electrode and a second electrode. The first electrode doubles as a gate of the driving transistor. The second electrode is disposed at a lower layer than the first electrode and contains a second semiconductor.

公开(公告)号：US20190067603A1

公开(公告)日：2019-02-28

申请号：US16174376

申请日：2018-10-30

Applicant: Japan Display Inc.

Inventor： Satoshi MARUYAMA

IPC: H01L51/00 ,  H01L27/12 ,  H01L27/32 ,  H01L51/05

Abstract: A display device having an improved display characteristics and reduced manufacturing cost is provided. The display device includes a plurality of pixels arranged on a surface of a substrate. The plurality of pixels each include: a light-emitting element; a driving transistor; a selecting transistor; and a retention capacitor. The driving transistor has a bottom-gate structure. The driving transistor has a semiconductor layer containing a first semiconductor. The retention capacitor has a first electrode and a second electrode. The first electrode doubles as a gate of the driving transistor. The second electrode is disposed at a lower layer than the first electrode and contains a second semiconductor.

公开(公告)号：US20160293878A1

公开(公告)日：2016-10-06

申请号：US15091927

申请日：2016-04-06

Applicant: Japan Display Inc.

Inventor： Satoshi MARUYAMA ,  Masakazu KAIDA ,  Hirohisa TANAKA ,  Takanobu TAKENAKA ,  Noriyoshi KANDA

IPC: H01L51/50 ,  H01L51/56 ,  H01L51/52

CPC classification number: H01L51/5012 ,  H01L27/3246 ,  H01L51/5056 ,  H01L51/5212 ,  H01L51/5228 ,  H01L51/5271 ,  H01L51/56 ,  H01L2251/308

Abstract: An organic EL display device includes in order from a substrate side: a metal layer; an insulating layer formed on the metal layer; a first electrode layer formed on the insulating layer; an organic layer formed on the first electrode layer; and a second electrode layer formed on the organic layer. The metal layer is for use as a reflective layer configured to reflect, on a surface of the metal layer, light generated from the organic layer by applying a voltage between the first electrode layer and the second electrode layer.

Abstract translation: 有机EL显示装置从基板侧依次包括：金属层; 形成在所述金属层上的绝缘层; 形成在绝缘层上的第一电极层; 形成在所述第一电极层上的有机层; 以及形成在有机层上的第二电极层。 金属层用作反射层，其被配置为通过在第一电极层和第二电极层之间施加电压，在金属层的表面上反射从有机层产生的光。

公开(公告)号：US20230363197A1

公开(公告)日：2023-11-09

申请号：US18354745

申请日：2023-07-19

Applicant: Japan Display Inc.

Inventor： Satoshi MARUYAMA

IPC: H10K50/844 ,  H10K50/842 ,  H10K71/00

CPC classification number: H10K50/844 ,  H10K50/8426 ,  H10K71/00 ,  H10K2102/00

Abstract: The display device includes a substrate including a first resin layer, a second resin layer overlapping the first resin layer, and a first inorganic insulating layer between the first resin layer and the second resin layer, and having flexibility, a display region provided on the substrate, a terminal region arranged outside the display region on the substrate, and a bending region arranged between the display region and the terminal region. A thickness of the second resin layer is larger than a thickness of the first resin layer. The substrate includes a first region and a second region. The first resin layer, the first inorganic insulating layer, and the second resin layer are laminated in the first region. The first resin layer and the second resin layer are laminated in the second region and the first inorganic insulating layer is not laminated in the second region.

公开(公告)号：US20220199954A1

公开(公告)日：2022-06-23

申请号：US17689375

申请日：2022-03-08

Applicant: Japan Display Inc.

Inventor： Satoshi MARUYAMA

IPC: H01L51/52 ,  H01L51/56

Abstract: The display device includes a substrate including a first resin layer, a second resin layer overlapping the first resin layer, and a first inorganic insulating layer between the first resin layer and the second resin layer, and having flexibility, a display region provided on the substrate, a terminal region arranged outside the display region on the substrate, and a bending region arranged between the display region and the terminal region. A thickness of the second resin layer is larger than a thickness of the first resin layer. The substrate includes a first region and a second region. The first resin layer, the first inorganic insulating layer, and the second resin layer are laminated in the first region. The first resin layer and the second resin layer are laminated in the second region and the first inorganic insulating layer is not laminated in the second region.

公开(公告)号：US20200243782A1

公开(公告)日：2020-07-30

申请号：US16846478

申请日：2020-04-13

Applicant: Japan Display Inc.

Inventor： Satoshi MARUYAMA

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

Abstract: A display device includes a flexible substrate, and a display region having a plurality of pixels on the flexible substrate. The substrate includes a resin layer, a first inorganic insulating layer provided on the first resin layer, and a second resin layer provided on the first insulating layer. A thickness of the second resin layer is larger than a thickness of the first resin layer, and the first resin layer is a resin layer baked at a higher baking temperature than the second resin layer.