公开(公告)号：US20210143361A1

公开(公告)日：2021-05-13

申请号：US17151215

申请日：2021-01-18

Applicant: JOLED Inc.

Inventor： Yuichi IWASE ,  Yasunori KIJIMA ,  Jiro YAMADA

IPC: H01L51/52 ,  H01L27/32 ,  H01L51/56 ,  H01L33/08 ,  H01L51/50

Abstract: Provided is a display apparatus and a method of manufacture. The display apparatus includes a first substrate with a plurality of organic electroluminescence devices, a second substrate with a color filter, the second substrate facing the first substrate, and an adhesive layer disposed between the first substrate and the second substrate so as to cover the plurality of organic electroluminescence devices, the adhesive layer being made of a material selected from the group consisting of a phenol resin, a melanin resin, an unsaturated polyester resin, an epoxy resin, a silicon resin and a polyurethane resin.

公开(公告)号：US20210083194A1

公开(公告)日：2021-03-18

申请号：US17106846

申请日：2020-11-30

Applicant: Idemitsu Kosan Co., Ltd. ,  JOLED Inc.

Inventor： MASAHIRO KAWAMURA ,  Emiko KAMBE ,  Akifumi NAKAMURA ,  Yasunori KIJIMA ,  Tadahiko YOSHINAGA ,  Shigeyuki MATSUNAMI

IPC: H01L51/00 ,  C09K11/06 ,  C07D209/86 ,  C09K11/02

Abstract: A compound of formula (9) is provided. wherein, B1 and B2 are a methyl group, Z1 and Z2 are a hydrogen atom, X1 is an N-carbazolyl group, X2 is a —NAr21′Ar22′ group, Ar21′ is a 2-phenylphenyl group, a 3-phenylphenyl group, or a 4-phenylphenyl group, and Ar22′ is a 1-naphthyl group, a 2-naphthyl group, a 2-phenylphenyl group, a 3-phenylphenyl group, a 4-phenylphenyl group, a 2-fluorenyl group, a 9,9-dimethyl-2-fluorenyl group or a phenanthryl group. Also provided is an organic electroluminescent device comprising a compound of formula (9).

公开(公告)号：US20210376247A1

公开(公告)日：2021-12-02

申请号：US17396820

申请日：2021-08-09

Applicant: Idemitsu Kosan Co., Ltd. ,  JOLED Inc.

Inventor： Masahiro KAWAMURA ,  Emiko KAMBE ,  Akifumi NAKAMURA ,  Yasunori KIJIMA ,  Tadahiko YOSHINAGA ,  Shigeyuki MATSUNAMI

IPC: H01L51/00 ,  C09K11/06 ,  C07D209/86 ,  C09K11/02

Abstract: A compound of formula (7) is provided wherein L4 is a linking group selected from the group consisting of: provided that an asterisk (*) indicates the position bonding to the nitrogen atom of the carbazolyl group, R6 to R13 are independently a hydrogen atom, or a phenyl group, Ar17 is an unsubstituted phenylphenyl group, and Ar18 is a phenylphenyl group which may be substituted by a phenyl group or a naphthyl group, or a phenyl group which may be substituted by a naphthyl group.