公开(公告)号：US20200081344A1

公开(公告)日：2020-03-12

申请号：US16465939

申请日：2017-12-15

Applicant: TORAY INDUSTRIES, INC.

Inventor： Akihiro ISHIKAWA ,  Kazuto MIYOSHI

IPC: G03F7/037 ,  H01L51/00

Abstract: An organic EL display device having excellent light-emitting reliability while it has pixel division layer (8) and/or planarization layer (4) having excellent optical properties is provided.An organic EL display device comprising first electrode (10), the pixel division layer (8), light emitting pixel (9), second electrode (5), the planarization layer (4), and substrate (6) wherein the pixel division layer (8) and/or the planarization layer (4) contains a yellow pigment having the benzimidazolone structure represented by the structural formula (1):

公开(公告)号：US20230127537A1

公开(公告)日：2023-04-27

申请号：US17777731

申请日：2020-11-17

Applicant: TORAY INDUSTRIES, INC.

Inventor： Akihiro ISHIKAWA ,  Takashi HONMA ,  Yoko MOMIYAMA

IPC: G03F7/004 ,  G03F7/038 ,  C09C3/12 ,  G03F7/105 ,  H10K59/122

Abstract: The present invention provides a photosensitive composition which can suppress the generation of a development residue on the surface of an electrode and the corrosion of the electrode to form a black pixel division layer, and also can suppress the generation of off-pixel in an organic EL display device comprising the pixel division layer. Disclosed is a photosensitive composition comprising (a) a pigment, (b) a resin having two or more tertiary amino groups in the molecule, and (c) a photosensitive agent, wherein the component (b) contains a resin having a structure represented by the general formula (1).

公开(公告)号：US20200033728A1

公开(公告)日：2020-01-30

申请号：US16491497

申请日：2018-03-15

Applicant: TORAY INDUSTRIES, INC.

Inventor： Akihiro ISHIKAWA ,  Kazuto MIYOSHI

IPC: G03F7/038 ,  G03F7/028 ,  G03F7/004 ,  H01L51/50

Abstract: A photosensitive composition containing at least one compound selected from the group of the following (a-1) to (a-3) and containing (b) a photosensitizer: (a-1) an epoxy compound having a C9-C19 long-chain alkyl group, (a-2) a resin having a structure represented by the following general formula (1), and (a-3) a resin having a structure represented by the following general formula (2). A photosensitive composition capable of forming a pixel division layer that has high flexibility and affords excellent light emission reliability to an organic EL display device is provided.

公开(公告)号：US20190258164A1

公开(公告)日：2019-08-22

申请号：US16333449

申请日：2017-08-22

Applicant: TORAY INDUSTRIES, INC.

Inventor： Yugo TANIGAKI ,  Akihiro ISHIKAWA ,  Kazuto MIYOSHI

IPC: G03F7/038 ,  G03F7/037 ,  G03F7/032 ,  G03F7/023 ,  G03F7/075 ,  G03F7/16 ,  G03F7/20 ,  G03F7/32 ,  G03F7/40 ,  H01L51/00 ,  H01L27/32 ,  G02F1/1339 ,  G02F1/1335 ,  H01L51/52

Abstract: The present invention provides a negative-type photosensitive resin composition capable of obtaining a cured film suppressing generation of development residues caused by a pigment and having high sensitivity and excellent heat resistance and light blocking capability. A negative-type photosensitive resin composition contains an alkali-soluble resin (A), a radical-polymerizable compound (B), a photopolymerization initiator (C1), and a pigment (D1). In this resin composition, the radical-polymerizable compound (B) contains a flexible chain-containing radical-polymerizable compound (B1), the flexible chain-containing radical-polymerizable compound (B1) contains a compound having (I) a structure derived from a compound having at least three hydroxyl groups in the molecule, (II) at least three ethylenically unsaturated double bond groups, and (III) at least one aliphatic chain, the aliphatic chain has an average molecular weight of 40 to 500, and the content of the pigment (D1) is 5 to 70 mass % of the total solid content.

公开(公告)号：US20150378258A1

公开(公告)日：2015-12-31

申请号：US14758101

申请日：2014-02-07

Applicant: TORAY INDUSTRIES, INC.

Inventor： Hitoshi ARAKI ,  Mitsuhito SUWA ,  Toru OKAZAWA ,  Yoshihiko INOUE ,  Akihiro ISHIKAWA ,  Akinori SAEKI

IPC: G03F7/075 ,  G06F3/041 ,  G03F7/32 ,  G03F7/40 ,  G03F7/16 ,  G03F7/20

CPC classification number: G03F7/0757 ,  G03F7/027 ,  G03F7/029 ,  G03F7/038 ,  G03F7/0755 ,  G03F7/105 ,  G03F7/168 ,  G03F7/20 ,  G03F7/32 ,  G03F7/40 ,  G06F3/041 ,  G06F2203/04103 ,  G06F2203/04107

Abstract: The purpose of the present invention is to provide a negative-type photosensitive coloring composition ideal for forming a white, light-blocking pattern and which not only has excellent chemical resistance, but also has extremely excellent heat resistance and does not yellow or crack even when undergoing high-temperature processing. This negative-type photosensitive coloring composition contains (A) a white pigment, (B) a polysiloxane obtained by co-hydrolyzate condensation of an alkoxysilane compound containing a compound of a specific structure, (C) polyfunctional acrylic monomers, (D) a photoradical polymerization initiator and (E) an organic solvent.

Abstract translation: 本发明的目的是提供一种理想的用于形成白色，阻光图案的负型感光着色组合物，其不仅具有优异的耐化学性，而且具有非常优异的耐热性，并且即使当 经历高温处理。 该负型感光性着色组合物含有（A）白色颜料，（B）通过含有特定结构的化合物的烷氧基硅烷化合物的共水解缩合得到的聚硅氧烷，（C）多官能丙烯酸类单体，（D）光自由基 聚合引发剂和（E）有机溶剂。

公开(公告)号：US20190218396A1

公开(公告)日：2019-07-18

申请号：US16327162

申请日：2017-08-22

Applicant: TORAY INDUSTRIES, INC.

Inventor： Akihiro ISHIKAWA ,  Yugo TANIGAKI ,  Kazuto MIYOSHI

IPC: C09B67/08 ,  G03F7/004 ,  G03F7/023 ,  C08K5/00 ,  C08K5/1535 ,  C08K5/3417 ,  C08L79/08 ,  C08K3/22 ,  C08K3/36 ,  C09B67/46 ,  C09B5/62 ,  C09B29/40 ,  C09B57/00

Abstract: Provided is a black pigment that enables pattern formation of pixel division layer while suppressing generation of development residue. The black pigment comprises (a) a core containing at least one organic black pigment selected from the group consisting of benzodifuranone-based black pigments, perylene-based black pigments, azo-based black pigments, and isomers thereof and (b) a coating layer containing silica and/or a metal oxide and/or a metal hydroxide.

公开(公告)号：US20230097238A1

公开(公告)日：2023-03-30

申请号：US17908344

申请日：2021-03-10

Applicant: TORAY INDUSTRIES, INC.

Inventor： Ryosuke AIHARA ,  Takashi HONMA ,  Akihiro ISHIKAWA

IPC: H10K59/122 ,  H10K59/38 ,  H10K50/86 ,  G03F7/039 ,  G03F7/004

Abstract: An organic EL display device including a substrate, and a planarization layer, a first electrode, a pixel division layer, a light emitting pixel and a second electrode formed on the substrate, wherein the planarization layer and/or the pixel division layer contain(s) zirconium nitride particles, and a crystallite size of the zirconium nitride particles determined from a half width of a peak derived from a (111) plane in an X-ray diffraction spectrum using a CuKα ray as an X-ray source is 5 nm or more 20 nm or less. Provided are an organic EL display device with excellent visibility and fewer display defects, and a cured film which is excellent in storage stability of a photosensitive resin composition capable of being applied on an insulating layer of the organic EL display device, and which has high sensitivity and high visible light-shielding property and is also free from residue in the opening.