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Electronic equipment panel and electronic equipment comprising same

A technology for electronic equipment and panels, used in glass manufacturing equipment, glass molding, manufacturing tools, etc., can solve the problems of glass strength and fracture toughness, broken screen and other problems that are not mentioned, achieve excellent light transmittance, improve fracture toughness, The effect of reducing the probability of "broken screen"

Active Publication Date: 2019-07-12
INST OF PROCESS ENG CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, at present, the main problem faced by the panel glass of electronic equipment is the problem of "broken screen", which needs to be solved by improving the strength and toughness of the glass. CN105601116A only improves the hardness of the glass, and does not mention the strength and fracture toughness of the glass, so it cannot be solved. Solve the problem of "broken screen"
[0007] To sum up, the glass panels for electronic equipment disclosed in the prior art cannot combine excellent bending strength, fracture toughness and high light transmittance. Therefore, it is necessary to provide a new type of glass panel to meet the practical application requirements for avoiding broken screens, Increased service life of glass panels and demand for good image display functions

Method used

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  • Electronic equipment panel and electronic equipment comprising same
  • Electronic equipment panel and electronic equipment comprising same
  • Electronic equipment panel and electronic equipment comprising same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1～5

[0074] A lithium silicate glass-ceramic plate, the preparation method of which comprises the steps of:

[0075] (1) According to the amount of each component listed in Table 1, take analytically pure SiO 2 , Li 2 CO 3 、K 2 CO 3 、Al 2 o 3 、TiO 2 and CeO 2 , after fully mixing and grinding with a planetary ball mill, take it out and dry it; put the powder obtained after drying in a platinum alloy crucible, put it in a box-type resistance furnace, raise the temperature to 1550°C in an air atmosphere, keep the temperature for 3 hours, and then Take out and cast the basic glass plate at 1400°C; the weight of the basic glass sheet obtained by casting is about 80 grams;

[0076] (2) After heat-treating the basic glass plate obtained in step (1) at 500-750° C. for 1-60 minutes, a single crystal phase of lithium silicate is precipitated to obtain lithium silicate glass-ceramics.

[0077] Table 1 has provided the formula and process condition of the basic glass that embodiment ...

Embodiment 6～8

[0090] The difference with embodiment 5 is only that a heat treatment temperature and time are different:

Embodiment 6

[0091] Embodiment 6: the primary heat treatment temperature is 550°C, and the time is 20min;

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Abstract

The invention relates to an electronic equipment panel. The electronic equipment panel is lithium silicate glass-ceramic. The electronic equipment panel adopts the lithium silicate glass-ceramic, hashigher strength and breaking tenacity than common glass, integrates excellent light transmittance performance, can prevent electronic equipment from cracking under the condition of external impact, prevents produced cracks from further expanding, and guarantees that the electronic equipment has a good image display function.

Description

technical field [0001] The invention belongs to the field of display technology, and relates to lithium silicate glass-ceramics and its preparation method and application, in particular to lithium silicate glass-ceramics with high strength, high fracture toughness and high light transmittance and its application as panel glass. Background technique [0002] Electronic devices with touch screens, such as LCD TVs and smart phones, have become more and more popular in people's daily life, and glass is one of the indispensable components in these electronic devices. Electronic equipment panel glass not only has high requirements on strength and toughness, but also has excellent light transmittance to meet the requirements of its practical application. [0003] Taking a smart phone as an example, the front of the phone is panel glass, which is used to protect the touch screen of the phone. However, since glass is a brittle material, its strength is generally about 90MPa, and its...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C3/083C03C3/095C03C1/04C03B19/02
CPCC03B19/02C03C1/04C03C3/083C03C3/095
Inventor 彭练朱庆山
Owner INST OF PROCESS ENG CHINESE ACAD OF SCI