Base board, preparation method thereof, display panel and display device

A technology for display panels and substrates, applied in semiconductor/solid-state device manufacturing, electrical components, electric solid-state devices, etc., can solve problems such as detecting the luminance of organic electroluminescent layers

Active Publication Date: 2019-06-07
BOE TECH GRP CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Embodiments of the present invention provide a substrate and its preparation method, a display panel, and a dis

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  • Base board, preparation method thereof, display panel and display device
  • Base board, preparation method thereof, display panel and display device
  • Base board, preparation method thereof, display panel and display device

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Embodiment Construction

[0037] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0038] Unless otherwise defined, the technical terms or scientific terms used herein shall have the usual meanings understood by those skilled in the art. "First", "second" and similar words used in the patent application specification and claims of the present invention do not indicate any order, quantity or importance, but are only used to distinguish different components. "Comprising" or "comprising" and similar words indicate that the elements or items app...

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Abstract

The invention provides a base board, a preparation method thereof, a display panel and a display device, relates to the field of display technologies and aims to solve the problem of how to detect theluminance of an organic electroluminescent layer in real time. The base board comprises a substrate and an electroluminescent layer arranged on the substrate; the base board also comprises a first reflective electrode layer, a buffer layer and a second reflective electrode layer which are sequentially arranged at the side, away from the substrate, of the electroluminescent layer; and a first hollowed-out region is formed in the buffer layer, a second hollowed-out region is formed in the second reflective electrode layer, and the overlapping region of the first hollowed-out region and the second hollowed-out region is used for transmitting light emitted by the electroluminescent layer.

Description

technical field [0001] The invention relates to the field of display technology, in particular to a substrate and a preparation method thereof, a display panel, and a display device. Background technique [0002] OLED (Organic Light-Emitting Diode, organic electroluminescent diode) display device has thin, light, wide viewing angle, active light emission, continuously adjustable light color, low cost, high color gamut, high contrast, fast response speed, and low energy consumption. The advantages of small size, low driving voltage, wide operating temperature range, simple production process, high luminous efficiency, and flexible display have been listed as promising next-generation display technologies, but there are still some problems to be solved. [0003] OLED devices rely on the organic electroluminescent layer (EL) to emit light. During use, the organic electroluminescent layer will age, and the luminous efficiency will gradually decrease, resulting in changes in lumi...

Claims

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Application Information

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IPC IPC(8): H01L27/32H01L51/52
CPCH01L25/167H10K59/60H10K59/13H10K59/122H10K50/826H10K50/822H10K59/1201H01L25/18H01L27/1443
Inventor 廖峰林允植严允晟张舜航刘立伟王洪润张慧贾玉娥侯凯
Owner BOE TECH GRP CO LTD
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