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Color film substrate and preparation method thereof

A technology of color film substrate and substrate, which is applied in the field of color film substrate and its preparation, can solve the problems affecting the preparation of quantum dot light conversion layer, the inability to achieve inkjet printing height, and affecting OLED blue light conversion, etc., to achieve enhanced structural support , The preparation method is simple, and the effect of improving stability

Inactive Publication Date: 2020-04-24
SHENZHEN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD
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AI Technical Summary

Problems solved by technology

However, the pixel definition layer prepared in the prior art has a single-layer structure, which cannot achieve the height required by inkjet printing, and is prone to undercutting, which affects the preparation of the quantum dot light conversion layer and affects the OLED blue light. conversion

Method used

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  • Color film substrate and preparation method thereof
  • Color film substrate and preparation method thereof
  • Color film substrate and preparation method thereof

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Embodiment Construction

[0036] The following describes the preferred embodiments of the present invention with reference to the accompanying drawings to prove that the present invention can be implemented. The embodiments of the invention can fully introduce the present invention to those skilled in the art, making its technical content clearer and easier to understand. The present invention can be embodied by many different forms of invention embodiments, and the protection scope of the present invention is not limited to the embodiments mentioned herein.

[0037] In the drawings, components with the same structure are denoted by the same numerals, and components with similar structures or functions are denoted by similar numerals. The size and thickness of each component shown in the drawings are arbitrarily shown, and the present invention does not limit the size and thickness of each component. In order to make the illustration clearer, the thickness of parts is appropriately exaggerated in some ...

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Abstract

The invention provides a color film substrate and a preparation method thereof. The color film substrate is provided with a pixel limiting layer. The pixel limiting layer is provided with a first pixel limiting structure and a second pixel limiting structure, and the second pixel limiting structure wraps the first pixel limiting structure. According to the pixel limiting layer, the structural supporting force of the pixel limiting layer is enhanced while the shading performance and the hydrophobicity of the pixel limiting layer are guaranteed; the pixel limiting layer can reach the target height; and the undercut phenomenon is not likely to happen.

Description

technical field [0001] The invention relates to the display field, in particular to a color filter substrate and a preparation method thereof. Background technique [0002] Organic Light Emitting Diode (OLED) has self-illumination, low driving voltage, high luminous efficiency, short response time, high definition and contrast, nearly 180° viewing angle, wide operating temperature range, flexible display and With many advantages such as large-area full-color display, it is recognized by the industry as an emerging application technology for next-generation flat-panel displays. [0003] At present, due to the excellent properties of high color purity and continuous adjustable spectrum of quantum dot materials (Quantum Dot, QD) itself, it has become the most excellent luminescent material in the 21st century, which can greatly improve the display color gamut of existing liquid crystals. The color performance of the display, so its display application has been extensively stud...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L27/32
CPCH10K59/35H10K59/38G02B5/223G02B1/14G02B1/18H10K59/122H10K50/865H10K59/1201H10K2102/331G02B5/201H10K71/00
Inventor 张良芬
Owner SHENZHEN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD
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