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1. US20170287993 - Display panel and method for manufacturing same

Office United States of America
Application Number 15471286
Application Date 28.03.2017
Publication Number 20170287993
Publication Date 05.10.2017
Grant Number 10163993
Grant Date 25.12.2018
Publication Kind B2
IPC
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
H01L 51/00
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
H01L 51/50
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)
CPC
H01L 27/3211
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]
3206Multi-colour light emission
3211using RGB sub-pixels
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 51/0005
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
0001Processes specially adapted for the manufacture or treatment of devices or of parts thereof
0002Deposition of organic semiconductor materials on a substrate
0003using liquid deposition, e.g. spin coating
0004using printing techniques, e.g. ink-jet printing, screen printing
0005ink-jet printing
H01L 51/5056
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]
5048Carrier transporting layer
5056Hole transporting layer
H01L 51/5072
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]
5048Carrier transporting layer
5072Electron transporting layer
H01L 51/5088
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]
5088Carrier injection layer
Applicants JOLED INC.
Inventors Masakazu Takata
Agents Greenblum & Bernstein, P.L.C.
Priority Data 2016072150 31.03.2016 JP
Title
(EN) Display panel and method for manufacturing same
Abstract
(EN)

A display panel including a substrate; first, second, and third lower electrodes; first and second column banks; first, second, and third organic light-emitting layers; and an upper electrode. When a first ink for forming the first organic light-emitting layer, a second ink for forming the second organic light-emitting layer, and a third ink for forming the third organic light-emitting layer are applied, ink-separating capability of the first column bank for separating the first ink and the second ink is lower than ink-separating capability of the second column bank for separating the second ink and the third ink, and ink-separating capability depends on: (i) a height of the first and second column banks, or (ii) liquid repellency of the first column bank against the first ink and the second ink and liquid repellency of the second column bank against the second ink and the third ink.

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