Manufacturing method of organic light-emitting diode (OLED) device, OLED device and display panel

A device manufacturing method and device technology, which are applied in semiconductor/solid-state device manufacturing, electric solid-state devices, semiconductor devices, etc., can solve the problems of RGB three-color crosstalk, lighting voltage difference, and high carrier lateral transmission rate, and achieve Effects of reducing interference and reducing crosstalk situations

Inactive Publication Date: 2017-09-08
BOE TECH GRP CO LTD
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  • Abstract
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Problems solved by technology

[0003] The OLED display panel includes sub-pixels of different colors (such as RGB three colors) distributed in an array. When evaporating each OLED device in the OLED display panel, the hole injection layer (HIL) and the hole transport layer (HTL) often Evaporation is completed through a mask, and the lateral transport rate of carriers in the hole injection material used for evaporation is relatively high, and the lighting voltage between sub-pixels of different colors has a large difference, that is, the voltage difference, so it is easy to Cause the directional transmission of carriers, and make the sub-pixels of other colors light up at the same time, so in the high-resolution display, it is easy to cause the crosstalk of RGB three colors

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  • Manufacturing method of organic light-emitting diode (OLED) device, OLED device and display panel
  • Manufacturing method of organic light-emitting diode (OLED) device, OLED device and display panel
  • Manufacturing method of organic light-emitting diode (OLED) device, OLED device and display panel

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Embodiment Construction

[0038] Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided in order to give a thorough understanding of embodiments of the present disclosure. However, those skilled in the art will appreciate that the technical solutions of the present disclosure may be practiced without one or more of the specific details being omitted, or other methods, components, devices, steps, etc. may be adopted. In other instances, well-known technical solutio...

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Abstract

The invention relates to a manufacturing method of an organic light-emitting diode (OLED) device, an OLED device and a display panel. The method comprises the steps of forming a first electrode layer on a substrate; forming one or more layer(s) of inorganic film(s) at a position, corresponding to a pixel defining layer, on the first electrode layer; adjusting an etching angle of one or more layer(s) of inorganic film(s) by an etching mode so that a first organic layer is broken at the etching angle during formation of the first organic layer; forming the pixel defining layer on the inorganic film(s); forming the first organic layer on the first electrode layer, the inorganic film(s) and the pixel defining layer; and sequentially forming a light-emitting layer, a second organic layer and a second electrode layer on the first organic layer. By the method, horizontal transmission of carriers of the first organic layer among pixels can be prevented, and the crosstalk among RGB pixels is reduced.

Description

technical field [0001] The present disclosure relates to the field of display technology, in particular, to a method for manufacturing an OLED device, an OLED device, and a display panel. Background technique [0002] In recent years, OLED (Organic Light-Emitting Diode, Organic Light-Emitting Diode) display technology, as a new type of flat panel display technology, has gradually received more attention. Due to the characteristics of active light emission, high luminous brightness, high resolution, wide viewing angle, fast response speed, low energy consumption and flexibility, OLED display panel has become the next-generation display technology that may replace liquid crystal display. [0003] The OLED display panel includes sub-pixels of different colors (such as RGB three colors) distributed in an array. When evaporating each OLED device in the OLED display panel, the hole injection layer (HIL) and the hole transport layer (HTL) often Evaporation is completed through a m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L27/32H01L51/50H01L51/56
CPCH10K59/122H10K50/00H10K71/00H10K50/805H10K59/32
Inventor 李晓虎
Owner BOE TECH GRP CO LTD
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