Invention Grant
- Patent Title: Organic EL display device and method of manufacturing the same
- Patent Title (中): 有机EL显示装置及其制造方法
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Application No.: US12408993Application Date: 2009-03-23
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Publication No.: US07915813B2Publication Date: 2011-03-29
- Inventor: Shuhei Yokoyama , Masuyuki Oota , Satoshi Okutani , Takanobu Takenaka
- Applicant: Shuhei Yokoyama , Masuyuki Oota , Satoshi Okutani , Takanobu Takenaka
- Applicant Address: JP Tokyo
- Assignee: Toshiba Matsushita Display Technology Co., Ltd.
- Current Assignee: Toshiba Matsushita Display Technology Co., Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- Priority: JP2008-093438 20080331; JP2008-115802 20080425
- Main IPC: H05B33/00
- IPC: H05B33/00

Abstract:
An organic EL display device includes a first light emission layer which includes a first dopant material having a first absorbance peak in absorbance spectrum characteristics and a first host material having a first absorbance bottom on a shorter wavelength side than the first absorbance peak, the first light emission layer extending over the first to third organic EL elements and being disposed above pixel electrodes of the first to third organic EL elements, and a second light emission layer which includes a second dopant material having a second absorbance peak in absorbance spectrum characteristics and a second host material having a second absorbance bottom on a shorter wavelength side than the first absorbance peak and than the second absorbance peak, the second light emission layer extending over the first to third organic EL elements and being disposed above the first light emission layer.
Public/Granted literature
- US20090243466A1 ORGANIC EL DISPLAY DEVICE AND METHOD OF MANUFACTURING THE SAME Public/Granted day:2009-10-01
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