CN105502932B - A kind of guide-lighting glass sheet composition and application thereof - Google Patents
A kind of guide-lighting glass sheet composition and application thereof Download PDFInfo
- Publication number
- CN105502932B CN105502932B CN201511024494.8A CN201511024494A CN105502932B CN 105502932 B CN105502932 B CN 105502932B CN 201511024494 A CN201511024494 A CN 201511024494A CN 105502932 B CN105502932 B CN 105502932B
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- guide plate
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- 239000011521 glass Substances 0.000 title claims abstract description 74
- 239000000203 mixture Substances 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 claims abstract description 11
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 9
- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- MCMNRKCIXSYSNV-UHFFFAOYSA-N ZrO2 Inorganic materials O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims abstract description 7
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052593 corundum Inorganic materials 0.000 claims abstract description 6
- 229910001845 yogo sapphire Inorganic materials 0.000 claims abstract description 6
- FUJCRWPEOMXPAD-UHFFFAOYSA-N Li2O Inorganic materials [Li+].[Li+].[O-2] FUJCRWPEOMXPAD-UHFFFAOYSA-N 0.000 claims description 6
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 claims description 6
- XUCJHNOBJLKZNU-UHFFFAOYSA-M dilithium;hydroxide Chemical compound [Li+].[Li+].[OH-] XUCJHNOBJLKZNU-UHFFFAOYSA-M 0.000 claims description 6
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 claims description 4
- 239000006025 fining agent Substances 0.000 abstract description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract description 8
- 229910000272 alkali metal oxide Inorganic materials 0.000 abstract description 7
- 229910000287 alkaline earth metal oxide Inorganic materials 0.000 abstract description 7
- 229910052681 coesite Inorganic materials 0.000 abstract description 4
- 229910052906 cristobalite Inorganic materials 0.000 abstract description 4
- 239000000377 silicon dioxide Substances 0.000 abstract description 4
- 229910052682 stishovite Inorganic materials 0.000 abstract description 4
- 229910052905 tridymite Inorganic materials 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000005357 flat glass Substances 0.000 abstract 1
- 238000000137 annealing Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 4
- -1 acryl Chemical group 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 230000004927 fusion Effects 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
- 229910001018 Cast iron Inorganic materials 0.000 description 2
- 229910004883 Na2SiF6 Inorganic materials 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 238000007088 Archimedes method Methods 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- XOLBLPGZBRYERU-UHFFFAOYSA-N SnO2 Inorganic materials O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 239000002419 bulk glass Substances 0.000 description 1
- 229910001634 calcium fluoride Inorganic materials 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 150000002222 fluorine compounds Chemical group 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- PXXKQOPKNFECSZ-UHFFFAOYSA-N platinum rhodium Chemical compound [Rh].[Pt] PXXKQOPKNFECSZ-UHFFFAOYSA-N 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000009774 resonance method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/11—Glass compositions containing silica with 40% to 90% silica, by weight containing halogen or nitrogen
- C03C3/112—Glass compositions containing silica with 40% to 90% silica, by weight containing halogen or nitrogen containing fluorine
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/083—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound
- C03C3/085—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/083—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound
- C03C3/085—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal
- C03C3/087—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal containing calcium oxide, e.g. common sheet or container glass
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133524—Light-guides, e.g. fibre-optic bundles, louvered or jalousie light-guides
Abstract
The present invention relates to glass manufacturing area, discloses a kind of guide-lighting glass sheet composition and application thereof.On the basis of the gross weight of glass composition, glass composition of the invention contains 45 68 weight % SiO2, 6 15 weight % Al2O3, 16 36 weight % alkali metal oxide, 7 22 weight % alkaline earth oxide, 0.1 1.5 weight % ZrO2And fining agent.Melted and annealed successively with composition the invention also discloses a kind of method for preparing glass and glass obtained by this method, including by the glass.The application of light guide plate is used as in a liquid crystal display by the use of composition or glass the invention also discloses the glass.By using above-mentioned glass composition, the present invention can obtain the glass with low-density, high index of refraction, high light transmission rate, high-fire resistance, high surface hardness, low thermal coefficient of expansion and low liquidus temperature, light guide plate glass is can be made into overflow downdraw, operation is simple, can be widely applied to be used as light guide plate in liquid crystal display.
Description
Technical field
The present invention relates to glass manufacturing area, in particular it relates to which a kind of glass especially suitable in liquid crystal display is used
Composition and application thereof.
Background technology
In recent years, show that intelligent, in large size, ultrathin etc. is just being done step-by-step in the development trend of industry.Led in display
Domain, LCD need backlight module to provide light source, and this adds increased LCD thickness.At present using acryl tree in backlight module
Fat, and acryl is restricted by prior art, can not realize further slimming.Due to current glass substrate production technology day by day
Maturation, glass substrate is most thin to be had been able to reach 0.1mm thickness, is provided simultaneously with preferable mechanical performance, high light transmission rate etc., is surpassed
Thin glass, which is undoubtedly, substitutes the best selection of acryl resin, therefore glass light guide plate (Glass Guide Light Plate)
Gradually paid attention to by market.
The content of the invention
The purpose of the present invention is overcome the deficiencies in the prior art, there is provided a kind of glass especially suitable in liquid crystal display
With composition and its associated uses.
To achieve these goals, in a first aspect, the invention provides a kind of glass composition, with glass composition
Gross weight on the basis of, the glass composition contains 45-68 weight % SiO2, 6-15 weight % Al2O3, 16-36 weight
Measure % alkali metal oxide, 7-22 weight % alkaline earth oxide, 0.1-1.5 weight % ZrO2And fining agent.
Second aspect, the invention provides a kind of method for preparing glass, this method is included the glass described in first aspect
Glass is melted and annealed successively with composition.
The third aspect, the invention provides the glass as made from the method described in second aspect.
Fourth aspect, the invention provides the glass composition described in first aspect or the glass described in the third aspect to exist
Application in liquid crystal display as light guide plate.
By using above-mentioned glass composition, the present invention can obtain to be passed through with low-density, high index of refraction, bloom
Rate, high-fire resistance, high surface hardness, the glass of low thermal coefficient of expansion and low liquidus temperature, it can be made into overflow downdraw
Guide-lighting glass sheet, operation is simple, can be widely applied to be used as light guide plate in liquid crystal display.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Embodiment
The embodiment of the present invention is described in detail below.It is it should be appreciated that described herein specific
Embodiment is merely to illustrate and explain the present invention, and is not intended to limit the invention.
On the basis of the gross weight of glass composition, glass composition provided by the invention contains 45-68 weight %
The SiO of (preferably 63-67 weight %)2, 6-15 weight % (preferably 6-11 weight %) Al2O3, 16-36 weight % (preferably 18-
27 weight %) alkali metal oxide, 7-22 weight % (preferably 7-17 weight %) alkaline earth oxide, 0.1-1.5 weight
Measure % (preferably 0.1-1 weight %) ZrO2(preferably 0.1-0.5 weight %'s) fining agent.
According to the preferred embodiment of the present invention, on the basis of the gross weight of glass composition, the glass group
Compound contains 45-68 weight % SiO2, 6-11 weight % Al2O3, 18-27 weight % alkali metal oxide, 7-17 weight
Measure % alkaline earth oxide, 0.1-1 weight % ZrO2With 0.1-0.5 weight % fining agent.
According to the present invention, the alkali metal oxide can be the oxide of various alkali metal commonly used in the art.It is preferred that
In the case of, the alkali metal oxide is Li2O、Na2O and K2At least one of O.It is highly preferred that the glass composition
Contain (most preferably 3-5 weight %'s) Li2O, (most preferably 8-18 weight %'s) Na2O and (most preferably 5-13 weight %'s) K2O
(alkali metal oxide is Li2O、Na2O and K2O).It is further preferred that the glass composition contains 3.5-3.6 weights
Measure % Li2O, 9.5-10 weight % Na2O and 5-5.5 weight % K2O。
According to the present invention, the alkaline earth oxide can be the oxide of various alkaline-earth metal commonly used in the art.
Under preferable case, the alkaline earth oxide is at least one of MgO, CaO, SrO and BaO.It is highly preferred that the glass
Contain (most preferably 3-9 weight %'s) MgO, (most preferably 0.05-2 weight %'s) CaO, (most preferably 0.05-2 weights with composition
Measure %'s) SrO and (most preferably 4-9 weight %'s) BaO (alkaline earth oxide is MgO, CaO, SrO and BaO).Enter one
Preferably, the glass composition contains 3-3.5 weight % MgO, 0.1-0.5 weight % CaO, 0.05-0.08 weight to step
Measure % SrO and 4-4.5 weight % BaO.
According to the present invention, species and dosage to the fining agent do not require particularly.As it was previously stated, the fining agent
Content can be 0.1-0.5 weight %, preferably 0.15-0.45 weight %.The fining agent can be that this area is conventional
Fining agent, such as SnO2And/or fluoride.Preferably, the fining agent is fluoride, such as CaF2And/or Na2SiF6.The present invention
In, the weight of fluoride is in terms of fluorine.
According to very particularly preferred embodiment of the invention, on the basis of the gross weight of glass composition, the glass group
Compound contains 63-67 weight % SiO2, 8-9 weight % Al2O3, 3.5-3.6 weight % Li2O, 9.5-10 weight %
Na2O, 5-5.5 weight % K2O, 3-3.5 weight % MgO, 0.1-0.5 weight % CaO, 0.05-0.08 weight %
SrO, 4-4.5 weight % BaO, 0.1-0.5 weight % ZrO2With 0.15-0.2 weight % fluoride.Pass through the preferred reality
Mode is applied, low-density, high index of refraction, high light transmission rate, high-fire resistance, high surface hardness and low thermal coefficient of expansion can ensured
In the case of further improve glass strain point and Vickers hardness.
According to the preferred embodiment of the present invention, the glass is made up of with composition said components.
The method provided by the invention for preparing glass includes above-mentioned glass is melted and annealed successively with composition.Institute
Stating melting and annealing can be carried out according to the conventional method in this area.For example, the mode of the melting can be in 1480-1550
8-12h is incubated at DEG C.The mode of the annealing can be 580-650 DEG C of insulation 0.8-1.5 hour.The annealing can with
Carried out in (stainless steel cast iron) grinding tool of predetermined shape, to obtain the glass with predetermined shape.Room can be cooled to after annealing
Warm (such as 10-35 DEG C), carry out cold work (including grind and polish) and can obtain glass finished-product.
Present invention also offers the glass as made from the above method.The light transmission rate of glass produced by the present invention is 92.5%
More than (such as 92.5-93.7%), strain point more than 610 DEG C (such as 610-630 DEG C), modulus of elasticity in more than 78.5GPa (such as
78.5-81.5GPa), Vickers hardness more than 538 (such as 538-570), density in 2.5g/cm3(such as 2.4-2.5g/cm below3)、
50-350 DEG C of thermal coefficient of expansion is 80 × 10-7/ DEG C below (such as 76.5 × 10-7/ DEG C to 80 × 10-7/ DEG C) and refractive index exist
More than 1.49 (such as 1.49-1.55).The present invention glass fusion temperature can below 1550 DEG C (such as 1480-1510 DEG C) and
Liquidus temperature can be below 1090 DEG C (such as 1050-1090 DEG C).
It is (special as the application of light guide plate in a liquid crystal display by the use of composition or glass present invention also offers above-mentioned glass
It is not the application as liquid crystal display sidelight type backlight module).
The present invention will be described in detail by way of examples below.
Embodiment 1-7 and comparative example 1
(in formula, CaF is used according to the formula in table 1 below2And/or Na2SiF6As fining agent, F is used2Represent) prepare
The test sample of glass, preparation concretely comprise the following steps：Weighing each component is carried out according to formula, mixes, compound is poured into platinum rhodium
In crucible, it is placed under certain temperature in high temperature furnace (fusion temperature for being shown in Table 1) and is incubated 10h, and is stirred using platinum rod to discharge
Bubble；The glass metal melted is poured into stainless steel cast iron grinding tool, defined both bulk glasses product is configured to, then by glass
Glass product is annealed 1.5 hours in 590 DEG C of annealing furnace, closes power supply furnace cooling to 25 DEG C.Glassware is cut,
Grinding, polishing, are then cleaned up and are dried with deionized water, and (thickness is in 0.3-0.5mm scopes for the test sample of obtained glass
It is interior).
The various performances of test sample are measured respectively, as a result see the table below 1.
Wherein, density is measured using Archimedes method；50-350 DEG C of thermal coefficient of expansion is entered using horizontal expander meter
Row measurement, is represented with mean thermal expansion coefficients；Modulus of elasticity (also known as Young's modulus) is tested using resonance method；Strain point is adopted
It is measured with Orton ANS-800 analyzers；Viscosity is determined using OrtonRSV-1600 drum type brakes rotation high-temperature viscosimeter,
And fusion temperature is calculated by Fulcher (also referred to as VFT formula)；Liquidus temperature is determined using normal gradients stove；Falling sphere
Experimental result represents that each glass test sample can sustain the height of 55g steel ball frees impact once, can reflect impact resistance
Intensity, bigger expression impact strength are higher；Vickers hardness (HV) is measured by Vickers hardness instrument；Light transmission rate is using purple
Outside-visible spectrophotometer is tested, unit %；Refractive index (633nm) is measured using Abbe refractometer.
Table 1
As it can be seen from table 1 the glass of the present invention has low-density, high index of refraction, high light transmission rate, high-fire resistance, height
Case hardness, low thermal coefficient of expansion and low liquidus temperature, it disclosure satisfy that the demand of glass light guide plate.
The preferred embodiment of the present invention described in detail above, still, the present invention are not limited in above-mentioned embodiment
Detail, in the range of the technology design of the present invention, a variety of simple variants can be carried out to technical scheme, this
A little simple variants belong to protection scope of the present invention.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should equally be considered as content disclosed in this invention.
Claims (6)
- A kind of 1. glass composition, it is characterised in that on the basis of the gross weight of glass composition, the glass composition SiO containing 63-67 weight %2, 8-9 weight % Al2O3, 3-3.6 weight % Li2O, 9.5-10 weight % Na2O、5- 5.5 weight % K2O, 3-3.5 weight % MgO, 0.1-0.5 weight % CaO, 0.05-0.08 weight % SrO, 4-4.5 Weight % BaO, 0.1-0.5 weight % ZrO2With 0.15-0.2 weight % fluoride.
- A kind of 2. method for preparing glass, it is characterised in that this method include by the glass composition described in claim 1 according to It is secondary to be melted and annealed.
- 3. the glass as made from the method described in claim 2.
- 4. glass according to claim 3, wherein, the light transmission rate of the glass is more than 92.5%, strain point is 610 More than DEG C, modulus of elasticity more than 78.5GPa, Vickers hardness more than 538, density is in 2.5g/cm3Below, 50-350 DEG C Thermal coefficient of expansion is 80 × 10-7/ DEG C below and refractive index more than 1.49.
- 5. the glass according to claim 3 or 4, wherein, the light transmission rate of the glass is 92.5-93.7%, strain point For 610-630 DEG C, modulus of elasticity 78.5-81.5GPa, Vickers hardness 538-570, density 2.4-2.5g/cm3、50- 350 DEG C of thermal coefficient of expansion is 76.5 × 10-7/ DEG C to 80 × 10-7/ DEG C and refractive index be 1.49-1.55.
- 6. the glass in the glass composition or claim 3-5 described in claim 1 described in any one is in liquid crystal display Application in device as light guide plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511024494.8A CN105502932B (en) | 2015-12-30 | 2015-12-30 | A kind of guide-lighting glass sheet composition and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511024494.8A CN105502932B (en) | 2015-12-30 | 2015-12-30 | A kind of guide-lighting glass sheet composition and application thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105502932A CN105502932A (en) | 2016-04-20 |
| CN105502932B true CN105502932B (en) | 2018-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511024494.8A Active CN105502932B (en) | 2015-12-30 | 2015-12-30 | A kind of guide-lighting glass sheet composition and application thereof |
Country Status (1)
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3512815B1 (en) | 2016-09-16 | 2023-12-20 | Corning Incorporated | High transmission glasses with alkaline earth oxides as a modifier |
| CN113466987A (en) * | 2021-07-20 | 2021-10-01 | 拓米(成都)应用技术研究院有限公司 | Light guide plate structure and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5858897A (en) * | 1996-03-14 | 1999-01-12 | Asahi Glass Company Ltd. | Glass composition for a substrate |
| CN102249542A (en) * | 2010-05-18 | 2011-11-23 | 肖特玻璃科技(苏州)有限公司 | Alkali metal aluminosilicate glass for 3D precision moulding and hot bending |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003024992A (en) * | 2001-07-19 | 2003-01-28 | Hitachi Ltd | Granulated body of sludge and plastic |
-
2015
- 2015-12-30 CN CN201511024494.8A patent/CN105502932B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5858897A (en) * | 1996-03-14 | 1999-01-12 | Asahi Glass Company Ltd. | Glass composition for a substrate |
| CN102249542A (en) * | 2010-05-18 | 2011-11-23 | 肖特玻璃科技(苏州)有限公司 | Alkali metal aluminosilicate glass for 3D precision moulding and hot bending |
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| CN105502932A (en) | 2016-04-20 |
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