Invention Grant
- Patent Title: Organic EL display device
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Application No.: US14497365Application Date: 2014-09-26
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Publication No.: US09825102B2Publication Date: 2017-11-21
- Inventor: Hironori Toyoda , Toshihiro Sato
- Applicant: Japan Display Inc.
- Applicant Address: JP Tokyo
- Assignee: Japan Display Inc.
- Current Assignee: Japan Display Inc.
- Current Assignee Address: JP Tokyo
- Agency: Typha IP LLC
- Priority: JP2013-201397 20130927
- Main IPC: H01L29/08
- IPC: H01L29/08 ; H01L27/32 ; H01L51/52

Abstract:
An organic EL display device includes: a TFT substrate that includes a display area in which pixels are arranged in a matrix; and a color filter substrate that is provided to face the TFT substrate and includes an area transmitting light in a predetermined wavelength range for each of the pixels. Each of the pixels of the TFT substrate includes a pair of electrodes, at least two light emission layers that are arranged between the pair of electrodes, and a charge generation layer that is arranged between the at least two light emission layers, is a layer to generate a pair of positive and negative charges, and has different film thicknesses in accordance with the predetermined wavelength range of the corresponding area.
Public/Granted literature
- US20150090986A1 ORGANIC EL DISPLAY DEVICE Public/Granted day:2015-04-02
Information query
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