Title:
POLYESTER COMPOSITION FOR LED REFLECTION PLATES, LED REFLECTION PLATE FORMED FROM SAID COMPOSITION, AND LIGHT EMITTING DEVICE PROVIDED WITH SAID REFLECTION PLATE
Document Type and Number:
WIPO Patent Application WO/2018/235821
Kind Code:
A1
Abstract:
A polyester composition for LED reflection plates, which contains a polyester (A) and a surface-coated titanium oxide (B), and wherein 50% by mole or more of dicarboxylic acid units is composed of terephthalic acid units and 50% by mole or more of diol units is composed of 1, 4-cyclohexane dimethanol units in the polyester (A), the ignition loss of the titanium oxide (B) is 0.50-1.20% by mass, and the content of the titanium oxide (B) is 10-90 parts by mass relative to 100 parts by mass of the polyester (A); and an LED reflection plate which is formed from this composition; and a light emitting device which is provided with this reflection plate.
Inventors:
KANAI SHIMON (JP)
SHIGEMATSU TAKAHARU (JP)
ITO YUKI (JP)
SHIGEMATSU TAKAHARU (JP)
ITO YUKI (JP)
Application Number:
PCT/JP2018/023320
Publication Date:
December 27, 2018
Filing Date:
June 19, 2018
Export Citation:
Assignee:
KURARAY CO (JP)
International Classes:
H01L33/60; C08K3/22; C08L67/02
Domestic Patent References:
| WO2017086334A1 | 2017-05-26 |
Foreign References:
| JP2013097221A | 2013-05-20 | |||
| JP2009507990A | 2009-02-26 | |||
| US20150299429A1 | 2015-10-22 |
Attorney, Agent or Firm:
ARINAGA, Shun (JP)
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