Title:
ブロック共重合体及び組成物、並びにそれらを用いた発光素子
Document Type and Number:
Japanese Patent JP7215957
Kind Code:
B2
Abstract:
To provide a block copolymer useful in manufacturing a luminous element excellent in a luminance life.SOLUTION: A fluorescent block copolymer includes: a terminal group; a block bonded to a terminal group; and two or more kinds of blocks not bonded to the terminal group. The two or more kinds of blocks not bonded to the terminal group are a first block and a second block. The first block includes at least one type of a constitutional unit selected from a group consisting of a constitutional unit expressed by a formula (X) and a constitutional unit expressed by a formula (Z). When a total number of constitutional units expressed by the formula (X) and a total number of constitutional units expressed by the formula (Z) in the first block are Xand Z, respectively, and a total number of constitutional units expressed by the formula (X) and a total number of constitutional units expressed by the formula (Z) in the block bonded to the terminal group are Xand Z, respectively, at least one of a formula (i):X>X, a formula (ii):Z>Zand a formula (iii):X+Z>X+Zis satisfied.SELECTED DRAWING: None
Inventors:
Yoshinori Aoyama
Daisuke Fukushima
Ken Kashima
Shohei Matsushita
Katsuhiro Suenobu
Tomoya Nakatani
Hidenobu Kakimoto
Toshihiro Yomogidai
Daisuke Fukushima
Ken Kashima
Shohei Matsushita
Katsuhiro Suenobu
Tomoya Nakatani
Hidenobu Kakimoto
Toshihiro Yomogidai
Application Number:
JP2019082908A
Publication Date:
January 31, 2023
Filing Date:
April 24, 2019
Export Citation:
Assignee:
Sumitomo Chemical Co., Ltd.
International Classes:
C08G61/12; C08L65/00; C09K11/06; H10K50/00
Domestic Patent References:
| JP2012131995A |
Attorney, Agent or Firm:
Patent Attorney Fukami Patent Office