公开(公告)号：US20190352765A1

公开(公告)日：2019-11-21

申请号：US16527717

申请日：2019-07-31

Applicant: Japan Display Inc.

Inventor： Keisuke ONO ,  Atsushi TAKEDA ,  Tetsuyuki YAMADA ,  Mototsugu NARIYA ,  Mitsugu TAMEKAWA ,  Takeshi OOKAWARA ,  Naoto HIRASAKA ,  Taiki WATANABE

IPC: C23C14/04 ,  C25D1/10 ,  C23C14/34

Abstract: A deposition mask according to an embodiment of the present invention includes: a mask main body including a pattern portion formed with a pattern opening, and a frame portion surrounding the pattern portion; a mask frame supporting the frame portion of the mask main body; and an intermediate member having a shape corresponding to the mask frame, the intermediate member being disposed between the mask main body and the mask frame. The mask main body and a first face of the intermediate member are joined together, and the mask frame and a face of the intermediate member on the side opposite to the first face are joined together.

公开(公告)号：US20230371337A1

公开(公告)日：2023-11-16

申请号：US18313396

申请日：2023-05-08

Applicant: Japan Display Inc.

Inventor： Sho YANAGISAWA ,  Mitsugu TAMEKAWA ,  Kota MAKISHI

IPC: H10K59/35

CPC classification number: H10K59/353

Abstract: A display device according to an embodiment of the present disclosure comprises a display area arranged with a plurality of pixels including a first pixel containing a first deposition material and a second pixel containing a second deposition material and having the same size as the first pixel and a non-display area located around the display area including a first area adjacent to one side of the display area and a second area adjacent to the other side opposite the one side of the display area. The first area is arranged with a first deposition pattern containing the first deposition material, and the second area is arranged with a second deposition pattern containing the second deposition material and having the same size as the first deposition pattern. The second deposition pattern is not arranged in the first area.

公开(公告)号：US20250017092A1

公开(公告)日：2025-01-09

申请号：US18763281

申请日：2024-07-03

Applicant: Japan Display Inc.

Inventor： Naoya IWAHASHI ,  Sho YANAGISAWA ,  Mitsugu TAMEKAWA

IPC: H10K71/16 ,  C23C14/04 ,  C23C14/12 ,  C23C14/24

Abstract: According to one embodiment, a method of manufacturing a display device includes depositing an organic EL material from an evaporation source onto the substrate via the vapor deposition mask by heating the evaporation source, thereby forming an organic EL layer, wherein the vapor deposition mask comprises a plurality of thin-film regions and a retaining frame, each of the plurality of thin-film regions includes a plurality of mask regions and connection regions, each of the plurality of thin-film regions has a propeller shape, each of the plurality of mask regions has a circular shape, and each of the plurality of mask regions comprises a plurality of aperture regions.

公开(公告)号：US20200095668A1

公开(公告)日：2020-03-26

申请号：US16693454

申请日：2019-11-25

Applicant: Japan Display Inc.

Inventor： Noriyoshi KANDA ,  Takeshi OOKAWARA ,  Mitsugu TAMEKAWA

IPC: C23C14/04 ,  H01L51/00

Abstract: A vapor deposition mask includes a frame and a metal film supported by the frame, wherein the metal film includes a mask region arranged with a plurality of pixel opening parts corresponding to a display region of a display device, and an alignment region arranged in a periphery of the mask region, the alignment region includes a first opening part and a plurality of second opening parts arranged in a periphery of the first opening part, and a maximum width of the second opening part is smaller than a maximum width of the first opening part.

公开(公告)号：US20170279071A1

公开(公告)日：2017-09-28

申请号：US15440478

申请日：2017-02-23

Applicant: Japan Display Inc.

Inventor： Mitsugu TAMEKAWA ,  Shiro SUMITA

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

CPC classification number: H01L51/5237 ,  H01L27/3244 ,  H01L27/3258 ,  H01L51/5203 ,  H01L51/524 ,  H01L51/5246 ,  H01L51/56 ,  H01L2227/323 ,  H01L2251/566

Abstract: A manufacturing method of a display device in an embodiment according to the present invention, the method includes forming a terminal electrode in a terminal part of a first substrate, forming a pixel electrode corresponding to each pixel in a pixel part of the first substrate, forming a first intermediate layer in a region including the terminal electrode of the terminal part, forming an organic layer above the pixel electrode in the pixel part, forming a counter electrode layer above the first substrate including the pixel part and the terminal part, forming a passivation layer above the counter electrode layer, arranging a second substrate opposing the pixel part and bonding the first substrate and the second substrate using a sealing member enclosing the pixel part, and removing the first intermediate layer, the counter electrode layer and the passivation layer in the terminal part.