Organic light emitting diode display device and manufacturing method thereof

US9780150B2 · kind B2 · utility

Assignees

• Shanghai Tianma AM-OLED Co., Ltd. · CN
• TIANMA MICROELECTRONICS CO., LTD. · CN

Inventors

• Song Li · Hubei, CN
• Sheng-Bang Huang · Shanghai, CN
• Ning Yu · Beijing, CN
• Liyuan Luo · Shanghai, CN
• Bojia Lv · Shanghai, CN

Key dates

• Filing date: Jun 26, 2015
• Grant date: Oct 3, 2017
• Expiry date: Aug 6, 2035

Classification

• Technology area (CPC H): Electricity
• CPC primary: H10K59/122

Abstract

An Organic Light Emitting Diode (OLED) display device and a manufacturing method thereof, the OLED display device including: a substrate; a pixel definition layer located on the substrate, wherein a plurality of pixel units arranged together are defined in the pixel definition layer, at least one of the pixel units comprises at least one first sub pixel, at least one second sub pixel and at least one third sub pixel, and the third sub pixel comprises at least two third secondary sub pixels; a first organic light emitting layer arranged in each of the at least one first sub pixel, a second organic light emitting layer arranged in each of the at least one second sub pixel, and third organic light emitting layers arranged in the at least two third secondary sub pixels of the at least one third sub pixel.