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1. US20180331325 - OLED DISPLAY PANEL, MANUFACTURING METHOD THEREOF, AND DISPLAY DEVICE

Office United States of America
Application Number 15839972
Application Date 13.12.2017
Publication Number 20180331325
Publication Date 15.11.2018
Publication Kind A1
IPC
H01L 51/52
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
51Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof
50specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
52Details of devices
H01L 51/56
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
51Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof
50specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
56Processes or apparatus specially adapted for the manufacture or treatment of such devices or of parts thereof
H01L 27/32
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
27Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
28including components using organic materials as the active part, or using a combination of organic materials with other materials as the active part
32with components specially adapted for light emission, e.g. flat-panel displays using organic light-emitting diodes
CPC
H01L 2251/558
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
2251Indexing scheme relating to organic semiconductor devices covered by group H01L51/00
50Organic light emitting devices
55characterised by parameters
558Thickness
H01L 27/3246
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
27Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
28including components using organic materials as the active part, or using a combination of organic materials with other materials as the active part
32with components specially adapted for light emission, e.g. flat-panel displays using organic light-emitting diodes [OLED]
3241Matrix-type displays
3244Active matrix displays
3246Pixel defining structures, e.g. banks
H01L 51/5209
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
51Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof
50specially adapted for light emission, e.g. organic light emitting diodes [OLED] or polymer light emitting devices [PLED]
52Details of devices
5203Electrodes
5206Anodes, i.e. with high work-function material
5209characterised by the shape
H01L 51/5218
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
51Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof
50specially adapted for light emission, e.g. organic light emitting diodes [OLED] or polymer light emitting devices [PLED]
52Details of devices
5203Electrodes
5206Anodes, i.e. with high work-function material
5218Reflective anodes, e.g. ITO combined with thick metallic layer
H01L 51/5234
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
51Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof
50specially adapted for light emission, e.g. organic light emitting diodes [OLED] or polymer light emitting devices [PLED]
52Details of devices
5203Electrodes
5221Cathodes, i.e. with low work-function material
5234Transparent, e.g. including thin metal film
H01L 51/5271
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
51Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof
50specially adapted for light emission, e.g. organic light emitting diodes [OLED] or polymer light emitting devices [PLED]
52Details of devices
5262Arrangements for extracting light from the device
5271Reflective means
Applicants BOE Technology Group Co., Ltd.

Inventors Wei Zhang
Title
(EN) OLED DISPLAY PANEL, MANUFACTURING METHOD THEREOF, AND DISPLAY DEVICE
Abstract
(EN)

An OLED display panel, a manufacturing method thereof and a display device is provided. The OLED display panel includes a basal substrate as well as a first pixel definition layer and a plurality of OLEDs arranged on the basal substrate. The first pixel definition layer is provided with a plurality of openings and each opening is correspondingly provided with an OLED. Each OLED includes a first electrode, a light emitting layer and a second electrode. Each first electrode is arranged on the bottom and the sidewall of the corresponding opening. The light emitting layer and the second electrode are sequentially arranged on the first electrode. The first electrode is configured to reflect the light emitted by the OLED towards the side of the OLED that is away from the basal substrate. Thus, the brightness and the light extracting efficiency of the display panel is improved.