Glass and method for producing same

A manufacturing method and glass technology, applied in glass manufacturing equipment, manufacturing tools, glass production, etc., can solve problems such as brightness not reaching a practical level

Active Publication Date: 2016-03-02
NIPPON ELECTRIC GLASS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, in order to apply organic EL elements to light sources for lighting, the luminance has not yet reached a practical level, and further improvement in luminous efficiency is required

Method used

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  • Glass and method for producing same
  • Glass and method for producing same
  • Glass and method for producing same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0194] Hereinafter, the present invention (first present invention) will be described in detail based on examples. It should be noted that the following examples are merely examples. The present invention (first present invention) is not limited at all by the following examples.

[0195] Tables 1 and 2 show sample Nos. 1 to 20.

[0196] 【Table 1】

[0197] (wt%)

No.1

No.2

No.3

No.4

No.5

No.6

No.7

No.8

No.9

No.10

SiO 2

55.0

47.0

39.0

39.0

47.0

47.0

43.0

39.0

39.0

55.0

al 2 o 3

15.0

15.0

15.0

10.0

15.0

15.0

15.0

15.0

23.0

7.0

B 2 o 3

22.0

22.0

22.0

22.0

22.0

22.0

22.0

22.0

22.0

22.0

MgO

6.4

6.4

6.4

6.4

6.4

6.4

6.4

6.4

6.4

6.4

CaO

1.5

1.5

1.5

1.5

1.5

1.5

1.5

1.5

1.5

1.5

SrO

-

...

Embodiment 2

[0213] Sample Nos. 2 and 9 to 20 not subjected to the above-mentioned heat treatment were immersed in a 1 M hydrochloric acid solution for 10 minutes, and then the surface of the sample was observed with a scanning electron microscope (S-4300SE manufactured by Hitachi High-Tech Co., Ltd.). The results are shown in the Figure 1-13 . Figure 1-13 Scanning electron microscope images of the surfaces of sample Nos. 2 and 9 to 20 are shown, respectively. As a result, samples No.2, 9, 10, 12-20 have a phase-separated structure and are rich in B 2 o 3 phase (second phase: lack of SiO 2 layer) was dissolved by hydrochloric acid solution. It should be noted that richer than B 2 o 3 The phase is dissolved by hydrochloric acid solution, and rich in SiO 2 phase is insoluble in hydrochloric acid solution.

Embodiment 3

[0215] Samples Nos. 2, 12, and 19 that were not subjected to the above-mentioned heat treatment were processed so that the plate thickness became 1.0mm or 0.7mm, and both surfaces were mirror-polished, and the wavelengths in the table were measured by a spectrophotometer ( The total light transmittance and diffuse transmittance in the thickness direction were measured with a spectrophotometer UV-2500PC manufactured by Tsu Seisakusho. The results are shown in Tables 3-5.

[0216] 【table 3】

[0217]

[0218] 【Table 4】

[0219]

[0220] 【table 5】

[0221]

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Abstract

A glass which is characterized by having a phase-separated structure comprising at least a first phase and a second phase, wherein the amount of SiO2 contained in the first phase is larger than the amount of SiO2 contained in the second phase. The glass is also characterized in that the glass can be used in an organic EL device.

Description

technical field [0001] The present invention relates to glass and a manufacturing method thereof, specifically, to a phase-separated glass having a light-scattering function, and a manufacturing method thereof, and further to a glass phase-separated by heat treatment. Background technique [0002] In recent years, the energy consumed in living spaces such as homes has been increasing due to reasons such as popularization, upsizing, and multifunctionalization of home appliances. In particular, energy consumption of lighting equipment is increasing. Therefore, efficient lighting is being actively studied. [0003] Light sources for illumination are classified into "directional light sources" that irradiate a limited range and "diffusion light sources" that irradiate a wide range. LED lighting is equivalent to a "directional light source" and has been continuously adopted as an alternative to incandescent lamps. On the other hand, a substitute light source for a fluorescent ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C27/12C03C3/064C03C3/089C03C3/091C03C3/093G02B1/00H01L51/50H05B33/02
CPCY02P40/57C03B17/02C03B17/067C03C17/42C03C2217/948Y02E10/549C03B17/064C03C3/064C03C3/093H10K77/10
Inventor 虫明笃细田洋平村田隆
Owner NIPPON ELECTRIC GLASS CO LTD
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