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Luminous ITO (Indium Tin Oxide) glass substrate and preparation method thereof

A glass substrate and light-emitting layer technology, applied in optics, nonlinear optics, instruments, etc., can solve the problems of power consumption and limited life of the backlight source, increase the production cost of liquid crystal displays, and cannot fully meet the display requirements, and achieve a simple structure. , Wide range of use, the effect of reducing thickness

Pending Publication Date: 2019-04-23
江西轩宜智能技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the backlight consumes electric energy and has a limited lifespan, which cannot fully meet the display requirements, and also increases the thickness of the liquid crystal display, increasing the production cost of the liquid crystal display

Method used

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  • Luminous ITO (Indium Tin Oxide) glass substrate and preparation method thereof
  • Luminous ITO (Indium Tin Oxide) glass substrate and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] The preparation method of the upper luminous ITO glass substrate 2 and the lower luminous ITO glass substrate 4 comprises the following steps:

[0031] (1) After pre-soaking, pre-PR cleaning, photoresist coating, exposure, development, film hardening, etching, stripping, and pre-PI cleaning procedures, conventional ITO glass is sent to a tunnel furnace to dry the glass surface moisture. Prepare for printing of the luminescent layer;

[0032] (2) Preparation of light-emitting layer materials: use NMP, add nano-particle alkaline earth aluminate long afterglow material, nano-particle alkaline earth aluminate long afterglow material is mainly based on aluminate, mixed with rare earth elements to spread Eu 2+ As an activator, and add Dy 3+ or Nd 3+ As an auxiliary activator, the addition amount is 1%-20% of NMP, and a dispersant is added. The dispersant is sodium tripolyphosphate, and the addition amount is 0.1%-6% of the total amount of materials in the light-emitting lay...

Embodiment 2

[0039] The preparation method of the upper luminous ITO glass substrate 2 and the lower luminous ITO glass substrate 4 comprises the following steps:

[0040] (1) After pre-soaking, pre-PR cleaning, photoresist coating, exposure, development, film hardening, etching, stripping, and pre-PI cleaning procedures, conventional ITO glass is sent to a tunnel furnace to dry the glass surface moisture. Prepare for printing of the luminescent layer;

[0041] (2) Preparation of light-emitting layer materials: use PI polymers, the PI polymers are one or more of soluble PI polymers, add nano-particle alkaline earth aluminate long afterglow materials, nano-particle alkaline earth aluminate long afterglow materials The material is mainly based on aluminate, doped with rare earth elements to pave Eu 2+ As an activator, and add Dy 3+ or Nd 3+ As an auxiliary activator, the addition amount is 1%-20% of the PI polymer, adding a dispersant, the dispersant is sodium hexametaphosphate and sodium...

Embodiment 3

[0048] The preparation method of the upper luminous ITO glass substrate 2 and the lower luminous ITO glass substrate 4 comprises the following steps:

[0049] (1) After pre-soaking, pre-PR cleaning, photoresist coating, exposure, development, film hardening, etching, stripping, and pre-PI cleaning procedures, conventional ITO glass is sent to a tunnel furnace to dry the glass surface moisture. Prepare for printing of the luminescent layer;

[0050] (2) Prepare the light-emitting layer material: mix PI polymer and NMP, the PI polymer is one or more of soluble PI polymers, add nano-particle alkaline earth aluminate long afterglow material, nano-particle alkaline earth aluminate Salt long afterglow materials are mainly based on aluminate, doped with rare earth elements to cover Eu 2+ As an activator, and add Dy 3+ or Nd 3+ As an auxiliary activator, the addition amount is 1%-20% of the mixture of PI polymer and NMP, and the dispersant is added. The dispersant is triethylhexyl ...

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Abstract

The invention discloses a luminous ITO (Indium Tin Oxide) glass substrate and a preparation method thereof. The luminous ITO glass substrate comprises glass substrates, ITO conducting films and PI (Polyimide) orientation layers, wherein the ITO conducting films are arranged on the lower surfaces of the glass substrates; the PI orientation layers are arranged on the lower surfaces of the ITO conducting films. The luminous ITO glass substrate is characterized in that luminous layers and insulating layers are arranged between the ITO conducting films and the PI orientation layers in sequence; theluminous layers adopt a nanoparticle alkali earth aluminate long persistence photoluminescence material, the insulating layers adopt SiO2, and the luminous ITO glass substrate is obtained by furthercontrolling a proportion of raw materials and the preparation steps. The luminous ITO glass substrate disclosed by the invention is simple in structure, a common backlight source is removed, and the luminous layers are arranged on both upper and lower glass substrates, so that displaying of display information of an LCD (Liquid Crystal Display) under the situation without adding a backlight sourceis realized; energy consumption of the LCD is reduced, the thickness of the LCD is reduced, the service life of the LCD is prolonged, and the manufacturing cost is reduced.

Description

technical field [0001] The invention relates to the technical field of displays, in particular to a light-emitting ITO glass substrate and a preparation method thereof. Background technique [0002] With the progress of the times and the development of society, various high-tech products have entered our lives, and the usage of liquid crystal displays has also increased year-on-year. The display method of the liquid crystal display is: an electric field is formed between the upper ITO conductive film (203) and the lower ITO conductive film (403), so that the alignment direction of the liquid crystal molecules (3) changes under the action of the electric field, so that the external light source The transmittance is changed to complete the display. Traditional liquid crystal displays use a reflective polarizer or install a backlight to highlight the displayed content. The former is limited to the environment (such as: the display cannot be seen in low light or dim conditions...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02F1/13357G02F1/1333
CPCG02F1/1333G02F1/133617
Inventor 薛念红
Owner 江西轩宜智能技术有限公司
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