Invention Grant
- Patent Title: Light emitting device and electronic equipment provided with the light emitting device
- Patent Title (中): 配有发光装置的发光装置和电子设备
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Application No.: US11988652Application Date: 2006-07-11
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Publication No.: US08212471B2Publication Date: 2012-07-03
- Inventor: Masayasu Miyata , Yuji Shinohara
- Applicant: Masayasu Miyata , Yuji Shinohara
- Applicant Address: JP Tokyo
- Assignee: Seiko Epson Corporation
- Current Assignee: Seiko Epson Corporation
- Current Assignee Address: JP Tokyo
- Agency: Oliff & Berridge, PLC
- Priority: JP2005-206550 20050715
- International Application: PCT/JP2006/314127 WO 20060711
- International Announcement: WO2007/010880 WO 20070125
- Main IPC: H01J1/62
- IPC: H01J1/62 ; H01J63/04

Abstract:
A light emitting device having excellent characteristics such as light emitting efficiency and the like and electrical equipment provided with such a light emitting device and having high reliability are provided. The light emitting device includes a light emitting layer 42 formed of a first organic semiconductor material, a hole transport layer (carrier transport layer) 41 formed of a second organic semiconductor material and provided in contact with the light emitting layer 42, and particles 411 provided in contact with both the light emitting layer 42 and the hole transport layer 41, wherein an entire of or a part of each of the particles 411 is embedded in the light emitting layer (the other layer) 42 so that the particles 411 can contain the second organic semiconductor material (organic semiconductor material which constitutes the other layer).
Public/Granted literature
- US20090102359A1 Light emitting device and electronic equipment provided with the light emitting device Public/Granted day:2009-04-23
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