CN101062834A - LCD sheet glass - Google Patents

LCD sheet glass Download PDF

Info

Publication number
CN101062834A
CN101062834A CNA2007100991625A CN200710099162A CN101062834A CN 101062834 A CN101062834 A CN 101062834A CN A2007100991625 A CNA2007100991625 A CN A2007100991625A CN 200710099162 A CN200710099162 A CN 200710099162A CN 101062834 A CN101062834 A CN 101062834A
Authority
CN
China
Prior art keywords
glass
weight part
oxide
sheet glass
lcd sheet
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CNA2007100991625A
Other languages
Chinese (zh)
Inventor
黄幼榕
崔竹
高锡平
李长久
顾真安
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Building Materials Academy CBMA
Original Assignee
China Building Materials Academy CBMA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Building Materials Academy CBMA filed Critical China Building Materials Academy CBMA
Priority to CNA2007100991625A priority Critical patent/CN101062834A/en
Publication of CN101062834A publication Critical patent/CN101062834A/en
Pending legal-status Critical Current

Links

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
    • C03C3/095—Glass compositions containing silica with 40% to 90% silica, by weight containing rare earths

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Glass Compositions (AREA)

Abstract

The invention discloses a base plate glass with rare-earth element to dope liquid crystal display device (TFT-LCD), which is characterized by the following: comprising glass basic oxide, lanthanum oxide, cerium oxide, neodymium oxide and or yttrium oxide; setting the mass ratio at (60. 5-195):(0. 003-28) of the glass basic oxide and all rare-earth oxide; adding at least three rare-earth oxide; improving the fusion of the glass; accelerating clarification and equalization in the course of formation; preventing glass crystallizer; decreasing the liquid phase temperature; delaying devitrification speed of the glass; fitting for productive technology of float glass; improving chemical stability of the glass; decreasing the expansion coefficient; fitting for large scale float glass procession.

Description

LCD sheet glass
Technical field
The present invention relates to a kind of boroaluminosilicate base plate glass, particularly relate to a kind of boroaluminosilicate alkali-free base plate glass of doped with rare-earth elements, be used to make the display screen of Thin Film Transistor-LCD (TFT-LCD).
Background technology
In the technological process of making Thin Film Transistor-LCD (TFT-LCD), base plate glass will be through thermal treatment repeatedly, and top temperature reaches 625 ℃.Be the dimensional change that prevents that glass deformation from causing, base plate glass must keep rigidity under this temperature, any viscous flow phenomenon can not be arranged, so the strain temperature Tst of glass need be higher than 625 ℃, if add 25 ℃ insurance amount, the strain temperature of glass should reach 650 ℃; Consider the coupling of thermal expansivity, the thermal expansivity of base plate glass should be controlled at 35～40 * 10 -7/ ℃; For alleviating the weight of indicating meter, the density of base plate glass should reduce as far as possible, is generally 2.5～2.6 gram per centimeters 3Because the alkali in the high temperature hypocoxa is easy to cause the pollution of TFT-LCD grid dielectric materials to the circuit layer migration, cause descend device lifetime, again so the alkali content in the glass should be controlled at 1000～2000ppm.For satisfying above-mentioned requirements, make the TFT-LCD LCD sheet glass and adopt non-alkali glass to make usually.As: Corning Incorporated's trade mark is 7059,1733 and 1724 high strain-point non-alkali glasss, and its production technique mainly contains two kinds of float glass technology and overflow downdraw.Owing to alkali-free metal oxide in the glass, so this glass is difficult to fusing, general fusing will be higher than more than 1620 ℃ though these glass have higher strain temperature, because the temperature of fusion height, high temperature viscosity is big, and glass metal is difficult for clarification and homogenization; Because mold temperature is higher relatively, make the molten tin bath temperature raise again, cause the tin liquor volatilization serious, bring very big difficulty to production.
Substantially the problems referred to above have been solved by adding means such as rare-earth elements of lanthanum, cerium, praseodymium and ytterbium before the applicant, but still exist not enough, as still not really desirable at reduction glass melting and clarifying temp, in the glass ware forming process, be easy to generate the crystallization phenomenon, therefore, also need further to address the above problem.
Summary of the invention
The object of the present invention is to provide a kind of combination to improve more and can reduce the liquidus temperature of glass, effectively overcome the LCD sheet glass that the crystallization phenomenon produces.
To achieve these goals, the present invention is by the following technical solutions:
A kind of LCD sheet glass, comprise the basic oxide compound of glass, it is characterized in that: also adding has mixed rare-earth oxide, rare earth element in the described mixed rare-earth oxide is selected in lanthanum, cerium, yttrium and the neodymium at least three kinds for use, the ratio of weight and number 60.5～195: 0.003～18.5 of basic oxide compound of described glass and described mixed rare-earth oxide.
The basic oxide compound of above-mentioned glass contains following component: SiO 250～70 weight parts, Al 2O 36～20 weight parts, B 2O 31～15 weight part, MgO 0～15 weight part, CaO 3～20 weight parts, SrO 0～15 weight part, BaO 0.5～19 weight part, ZnO 0～9 weight part, ZrO 20～2 weight part, SnO 20～5 weight part and TiO 20～5 weight part.
Lanthanum in the above-mentioned mixed rare-earth oxide is lanthanum trioxide La 2O 3, described La 2O 3Content be 0.001～5.0 weight part.
Cerium in the above-mentioned mixed rare-earth oxide is cerium oxide CeO 2, described CeO 2Content be 0.001～8.0 weight part.
Yttrium in the above-mentioned mixed rare-earth oxide is yttrium oxide Y 2O 3, described Y 2O 3Content be 0.001～10.0 weight part.
Neodymium in the above-mentioned mixed rare-earth oxide is Neodymium trioxide Nd 2O 3, described Nd 2O 3Content be 0.001～5.0 weight part.
Beneficial effect of the present invention is:
By in glass ware forming, adding at least three kinds of rare earth elements in cerium oxide, yttrium oxide, lanthanum trioxide and the Neodymium trioxide, can arrange in pairs or groups and use fusing, promotion clarification, the homogenizing of better improving glass, special in the moulding process of glass, can effectively prevent devitrification of glass, reduce the liquidus temperature of glass, delay the devitrification speed of glass, make it to adapt to the production technique of float glass, help following process and use; Simultaneously, can improve the chemical stability of glass, reduce the coefficient of expansion, make glass satisfy the performance requriements of LCD sheet glass.
Embodiment
The present invention still adopts mixed rare-earth oxide doping vario-property technology: and based on following design philosophy: 1. give full play to rare earth oxide in the effect that promotes in glass melting and the clarification, as: cerium oxide is at high temperature emitted oxygen and is promoted the bubble in the glass metal to grow up, bubble is risen discharge glass metal, can be used as the high temperature finings; The yttrium oxide fusing point is low, has the effect that reduces glass melting and clarifying temp; 2. utilize the big characteristics of fusing point height, density of rare earth oxide, can make glass have higher surface hardness so that processing, grinding and polishing can in use be difficult for being scratched again; 3. utilize the good characteristics of rare earth oxide chemical stability, make glass can bear all kinds of humidities and harsh climate condition; 4. utilizing has the electric charge transition, produces the characteristics that lotus moves absorptions, strong absorption is arranged in ultraviolet and near ultraviolet region between Ce elements and the ambient oxygen ion, make glass can strong absorption ultraviolet and do not influence visible light transmissivity; 5. add lanthanum trioxide and can reduce the coefficient of expansion, improve glass thermostability and with the thermodynamics matching of silica-base material; 6. utilize rear earth element nd electric charge height, ionic radius is little and field intensity is big characteristics, the free oxygen in the glass is reduced, the breaking degree of key alleviates, and can stop crystallization, improves the anti-crystallization ability of glass; (7) at least three kinds of rare earth elements in oxidation-containing cerium, yttrium oxide, lanthanum trioxide and the Neodymium trioxide in the glass ingredient, can be reasonably combined so improve glass fusing, promote clarification, homogenizing and moulding, prevent crystallization, make it to adapt to the production technique of float glass, help following process and use; Simultaneously, can improve the chemical stability of glass, reduce the coefficient of expansion, make glass satisfy the performance requriements of LCD sheet glass.
LCD sheet glass of the present invention is by containing quartz sand SiO 2, aluminium oxide Al 2O 3, boric acid H 3BO 3, lime carbonate CaCO 3With barium carbonate BaCO 3Substrate glass material with contain lanthanum trioxide La 2O 3, cerium oxide CeO 2, yttrium oxide Y 2O 3With Neodymium trioxide Nd 2O 3In mixed rare-earth oxide more than at least three kinds or three kinds found after mixing and form; Can also add magnesium oxide MgO, Strontium carbonate powder SrCO in the described substrate glass material 3, zinc oxide ZnO, zircon ZrSiO 4, tindioxide SnO 2With titanium dioxide TiO 2Raw material.Be described further in conjunction with following embodiment with base plate glass performance index after the content of the LCD sheet glass oxide compound of this admixtion production and component, the moulding and concrete processing request.
Embodiment one
Cell furnace adopts two dog-hole negative pressure clarification kilns, adopts existing pure oxygen combustion technology and negative pressure clarification technique to produce, and uses conventional float glass technology moulding.
Concrete operations are: the glass batch of this LCD sheet glass contains quartz sand, aluminum oxide, boric acid, lime carbonate, barium carbonate and rare earth oxide; The content of its basic glass oxide compound is respectively (kilogram): SiO 250, Al 2O 36, B 2O 31, CaO 3, and BaO 0.5, and the content of mixed rare-earth oxide is respectively (kilogram): La 2O 30.5, CeO 25, Y 2O 31, Nd 2O 31.5; The admixtion that will contain above-mentioned oxide compound joins in two dog-hole negative pressure clarification kilns, after in its melting pool, carrying out high temperature melting, enter fining end by dog-hole and clarify homogenizing, enter work pool again, enter in forming part-molten tin bath from chute, form banded sheet glass continuously, after annealing, be cut into finished product.
In implementation process, by adjusting the furnace operation parameter, feed glass liquid was flowed through time of two dog-holes about 6-8 hour, temperature of fusion is 1430 ℃ in this melting pool, and the clarification homogenization temperature is 1480 ℃, and service temperature is 1190 ℃, liquidus temperature is 1050 ℃, and annealing temperature is 710 ℃.Use vacuum pump with the pressure-controlling of glass metal upper space below 200 torrs.Observe and find: glass metal can access sufficient clarification homogenizing, does not occur the crystallization phenomenon in moulding process.Enter work pool then.
The LCD sheet glass that utilizes aforesaid method machine-shaping is carried out performance test, and index is as follows:
(1) strain temperature: 680 ℃
(2) mean coefficient of linear thermal expansion (α 20～300 ℃): 39 * 10 -7/ ℃
(3) density: 2.52g/cm 3
According to These parameters, base plate glass strain temperature of the present invention reaches 680 ℃, is higher than the strain temperature of the LCD sheet glass AN635 of Japan AGC company, mean coefficient of linear thermal expansion 39 * 10 -7/ ℃, satisfy the LCD sheet glass performance requriements; The temperature of fusion of base plate glass of the present invention, clarification and homogenization temperature all are lower than temperature index of the prior art.
In addition, in the float glass, for preventing glass crystallization in moulding process, the difference that requires mold temperature and liquidus temperature is greater than 50 ℃.Mold temperature is 1190 ℃ among the present invention, and liquidus temperature is 1030 ℃, and difference is 160 ℃, is far longer than 50 ℃, has satisfied the processing requirement of float glass.This is owing to after introducing cerium oxide, yttrium oxide, lanthanum trioxide and Neodymium trioxide, has reduced the liquidus temperature of glass, thereby has effectively suppressed the tendency towards devitrification of float glass in moulding is produced.
Embodiment two
The utilization of cell furnace and working method are with embodiment one, its difference is in to be selected for use different in the basic oxide component of the glass of LCD sheet glass with the mixed rare-earth oxide component, the basic glass oxide compound among this embodiment and the weight part unit of mixed rare-earth oxide are kilogram, wherein: SiO 270 weight parts, Al 2O 320 weight parts, B 2O 315 weight parts, MgO 15 weight parts, CaO 20 weight parts, SrO 15 weight parts, BaO19 weight part, ZnO 9 weight parts, ZrO 22 weight parts, SnO 25 weight parts, TiO 25 weight parts, La 2O 35.0 weight part, CeO 20.001 weight part, Y 2O 30.001 weight part.
Observe in the production process and find: glass metal can access sufficient clarification homogenizing, does not have the crystallization phenomenon to occur in the glass ware forming process, and mold temperature is 1150 ℃, and liquidus temperature is 1045 ℃, and difference is 105 ℃, greater than 50 ℃, can be used for float glass.
Embodiment three
The utilization of cell furnace and working method are with embodiment one, its difference is in the basic oxide component of the glass of LCD sheet glass selects difference for use, the basic glass oxide content among this embodiment and the weight part unit of mixed rare-earth oxide are kilogram, wherein: SiO 262 weight parts, Al 2O 320 weight parts, B 2O 38 weight parts, MgO 5.5 weight parts, CaO 4 weight parts, SrO 5 weight parts, BaO 2.2 weight parts, ZnO 2 weight parts, ZrO 21 weight part, La 2O 30.01 weight part, CeO 28 weight parts, Y 2O 32 weight parts, Nd 2O 30.001 weight part.
Observe in the production process and find: glass metal can access sufficient clarification homogenizing, does not have the crystallization phenomenon to occur in the glass ware forming journey.
Embodiment four
The utilization of cell furnace and working method are with embodiment one, its difference is in the basic oxide component of the glass of LCD sheet glass selects difference for use, the basic glass oxide content among this embodiment and the weight part of mixed rare-earth oxide are kilogram, wherein: SiO 265 weight parts, Al 2O 320 weight parts, B 2O 38.5 weight part, MgO 6 weight parts, CaO 3 weight parts, SrO 6 weight parts, BaO 1.2 weight parts, ZnO 2.5 weight parts, ZrO 21 weight part, La 2O 33 weight parts, CeO 20.001 weight part, Nd 2O 35 weight parts.
Observe in the production process and find: glass metal can access sufficient clarification homogenizing, does not have the crystallization phenomenon to occur in the glass ware forming process.
Embodiment five
The utilization of cell furnace and working method are with embodiment one, its difference is in the basic oxide component of the glass of LCD sheet glass selects difference for use, the basic glass oxide content among this embodiment and the weight part of mixed rare-earth oxide are kilogram, wherein: SiO 268 weight parts, Al 2O 318 weight parts, B 2O 37.5 weight part, MgO 5 weight parts, CaO 2 weight parts, SrO 6 weight parts, BaO 2.7 weight parts, ZnO 1.5 weight parts, ZrO 21.5 weight part, La 2O 30.001 weight part, CeO 20.5 weight part, Y 2O 310 weight parts, Nd 2O 31 weight part.
Observe in the production process and find: glass metal can access sufficient clarification homogenizing, does not have the crystallization phenomenon to occur in moulding process.
Embodiment six
The utilization of cell furnace and working method are with embodiment one, and the basic oxide component of glass is with embodiment five, and wherein rare earth oxide contains La 2O 30.001 kilogram, CeO 20.001 kilogram, Y 2O 30.001 kilogram, Nd 2O 30.001 kilogram.
Observe in the production process and find: glass metal can be clarified homogenizing, does not have the crystallization phenomenon to occur in moulding process.
Embodiment seven
The utilization of cell furnace and working method are with embodiment one, and the basic oxide component of glass is with embodiment five, and wherein rare earth oxide contains La 2O 35 kilograms, CeO 28 kilograms, Y 2O 310 kilograms, Nd 2O 35 kilograms.
Observe in the production process and find: glass metal can be clarified homogenizing cmpletely, does not have the crystallization phenomenon to occur in moulding process.
Comparative example one:
Substantially with embodiment two, difference is in the mixed rare-earth oxide component selects difference for use, only adds La 2O 35.0 weight part, Y 2O 30.001 weight part.
Observe in the production process and find: glass metal clarification homogenizing is not really desirable, has slight crystallization phenomenon to occur in moulding process, and mold temperature is 1140 ℃, and liquidus temperature is 1095 ℃, and difference is 45 ℃, less than 50 ℃, can not be used for float glass.
Comparative example two:
Adopt the glass that embodiment one method obtains in the patent application 200410090424.8.
Table 1 further itemizes the processing parameter of above each embodiment and comparative example and obtains the test data of glass properties:
Table 1 embodiment two to embodiment seven, the concrete parameter of comparative example and glass properties
Parameter Embodiment two Embodiment three Embodiment four Embodiment five Embodiment six Embodiment seven Comparative example one Comparative example two
Strain temperature (℃) 676 677 671 675 678 672 665 680
Thermal expansivity (* 10 -7/℃) 37.2 37.4 39.6 37.2 37.8 39.5 38.7 39
Density (g/cm 3) 2.53 2.55 2.55 2.55 2.53 2.54 2.56 2.52
The clarification homogenization temperature (℃) 1589 1585 1580 1593 1588 1591 1590 1590
Mold temperature (℃) 1150 1196 1205 1210 1201 1192 1140 1240
Liquidus temperature (℃) 1045 1032 1040 1050 1045 1044 1095 1130
LCD sheet glass of the present invention, selecting for use of basic oxide compound of glass and rare earth oxide wherein, it limits unit specifically determines according to requirement of client, often is unit with the kilogram in the actual production; The normal gram that adopts is unit in the testing laboratory.
Every physicochemical property requirement that list data shows can be satisfied the requirement of Thin Film Transistor-LCD TFT-LCD display screen substrate technology for making glass fully; Compare with existing TFT-LCD base plate glass, technology is simple, and glass metal is easy to fusing, clarification, homogenizing, can effectively improve glass quality.Simultaneously, mold temperature and liquidus temperature satisfy the requirement of the production technique of float glass, can effectively reduce the volatilization of its tin liquor, are to be fit to the TFT-LCD display base plate glass that extensive floating process is produced.

Claims (9)

1. LCD sheet glass, comprise the basic oxide compound of glass and lanthanum trioxide and cerium oxide, it is characterized in that: also contain Neodymium trioxide and/or yttrium oxide, and the ratio of weight and number of the basic oxide compound of glass and all rare earth oxides is (60.5～195): (0.003～28).
2. LCD sheet glass according to claim 1 is characterized in that: the basic oxide compound of described glass contains following component: SiO 250～70 weight parts, Al 2O 36～20 weight parts, B 2O 31～15 weight part, MgO 0～15 weight part, CaO 3～20 weight parts, SrO 0～15 weight part, BaO 0.5～19 weight part, ZnO 0～9 weight part, ZrO 20～2 weight part, SnO 20～5 weight part and TiO 20～5 weight part.
3. according to the described LCD sheet glass of claim 1, it is characterized in that: lanthanum trioxide La wherein 2O 3Content be 0.001～5.0 weight part.
4. according to the described LCD sheet glass of claim 1, it is characterized in that: described cerium oxide CeO 2Content be 0.001～8.0 weight part.
5. according to the arbitrary described LCD sheet glass of claim 1 to 4, it is characterized in that: described yttrium oxide Y 2O 3Content be 0.001～10.0 weight part.
6. according to the arbitrary described LCD sheet glass of claim 1 to 4, it is characterized in that: described Neodymium trioxide Nd 2O 3Content be 0.001～5.0 weight part.
7, according to the arbitrary described LCD sheet glass of claim 1 to 4, it is characterized in that: wherein each rare earth oxide consumption is lanthanum trioxide 0.001～5.0 weight part, cerium oxide 0.001～8.0 weight part, yttrium oxide 0.001～10.0 weight part, Neodymium trioxide 0.001～5.0 weight part.
8, according to the arbitrary described LCD sheet glass of claim 1 to 4, it is characterized in that: wherein each rare earth oxide consumption is lanthanum trioxide 0.001～5.0 weight part, cerium oxide 0.001～8.0 weight part, Neodymium trioxide 0.1～2.0 weight part.
9, according to the arbitrary described LCD sheet glass of claim 1 to 4, it is characterized in that: wherein each rare earth oxide consumption is lanthanum trioxide 0.001～5.0 weight part, cerium oxide 0.001～8.0 weight part, yttrium oxide 0.5～5.0 weight part, Neodymium trioxide 0.001～5.0 weight part.
CNA2007100991625A 2007-05-15 2007-05-15 LCD sheet glass Pending CN101062834A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNA2007100991625A CN101062834A (en) 2007-05-15 2007-05-15 LCD sheet glass

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNA2007100991625A CN101062834A (en) 2007-05-15 2007-05-15 LCD sheet glass

Publications (1)

Publication Number Publication Date
CN101062834A true CN101062834A (en) 2007-10-31

Family

ID=38964152

Family Applications (1)

Application Number Title Priority Date Filing Date
CNA2007100991625A Pending CN101062834A (en) 2007-05-15 2007-05-15 LCD sheet glass

Country Status (1)

Country Link
CN (1) CN101062834A (en)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102030475A (en) * 2010-10-15 2011-04-27 北京工业大学 Environmentally-friendly alkali-free aluminoborosilicate glass for TFT-LCD
CN102417300A (en) * 2011-08-31 2012-04-18 中国科学院微电子研究所 Glass for liquid crystal display and manufacture method thereof
CN103885633A (en) * 2014-03-05 2014-06-25 江西沃格光电股份有限公司 Touch screen and manufacturing method thereof
CN105859127A (en) * 2016-04-01 2016-08-17 东旭科技集团有限公司 Composition for glass, aluminum silicate glass and preparation method and application thereof
CN105859130A (en) * 2016-05-06 2016-08-17 东莞市银特丰光学玻璃科技有限公司 Silicon-based ultrathin glass and preparation method thereof
CN107244805A (en) * 2017-06-12 2017-10-13 合肥市惠科精密模具有限公司 A kind of TFT LCD substrates frit composition
CN107311450A (en) * 2017-05-19 2017-11-03 合肥市惠科精密模具有限公司 A kind of environmentally friendly base plate glass for TFT LCD screens
CN107324650A (en) * 2017-06-14 2017-11-07 合肥市惠科精密模具有限公司 One kind is used for AMOLED high thermal stability silicate glass containing boron and aluminium without alkali
CN108975693A (en) * 2018-07-02 2018-12-11 芜湖东旭光电装备技术有限公司 Glass composition and scratch resistance clean the windows and its preparation method and application
CN109052928A (en) * 2018-09-04 2018-12-21 中国南玻集团股份有限公司 Glass fining agent, Boroalumino silicate glasses and preparation method thereof, glass substrate and display
CN109455940A (en) * 2019-01-11 2019-03-12 福州布朗新材料技术有限公司 A kind of soft lead-free low-temperature seal glass and preparation method thereof
CN110540361A (en) * 2019-08-22 2019-12-06 株洲醴陵旗滨玻璃有限公司 holographic imaging glass composition, glass substrate and preparation method
CN110550858A (en) * 2019-07-12 2019-12-10 重庆鑫景特种玻璃有限公司 Clarifying agent for float glass
CN113402165A (en) * 2021-07-28 2021-09-17 成都光明光电股份有限公司 Glass composition, chemically strengthened glass, and method for producing same

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102030475B (en) * 2010-10-15 2012-07-25 北京工业大学 Environmentally-friendly alkali-free aluminoborosilicate glass for TFT-LCD
CN102030475A (en) * 2010-10-15 2011-04-27 北京工业大学 Environmentally-friendly alkali-free aluminoborosilicate glass for TFT-LCD
CN102417300A (en) * 2011-08-31 2012-04-18 中国科学院微电子研究所 Glass for liquid crystal display and manufacture method thereof
CN102417300B (en) * 2011-08-31 2013-08-14 中国科学院微电子研究所 Glass for liquid crystal display and manufacture method thereof
CN103885633B (en) * 2014-03-05 2017-12-01 江西沃格光电股份有限公司 Touch-screen and preparation method thereof
CN103885633A (en) * 2014-03-05 2014-06-25 江西沃格光电股份有限公司 Touch screen and manufacturing method thereof
CN105859127A (en) * 2016-04-01 2016-08-17 东旭科技集团有限公司 Composition for glass, aluminum silicate glass and preparation method and application thereof
CN105859127B (en) * 2016-04-01 2018-10-30 东旭科技集团有限公司 A kind of glass composition, alumina silicate glass and its preparation method and application
CN105859130A (en) * 2016-05-06 2016-08-17 东莞市银特丰光学玻璃科技有限公司 Silicon-based ultrathin glass and preparation method thereof
CN107311450A (en) * 2017-05-19 2017-11-03 合肥市惠科精密模具有限公司 A kind of environmentally friendly base plate glass for TFT LCD screens
CN107244805A (en) * 2017-06-12 2017-10-13 合肥市惠科精密模具有限公司 A kind of TFT LCD substrates frit composition
CN107324650A (en) * 2017-06-14 2017-11-07 合肥市惠科精密模具有限公司 One kind is used for AMOLED high thermal stability silicate glass containing boron and aluminium without alkali
CN108975693A (en) * 2018-07-02 2018-12-11 芜湖东旭光电装备技术有限公司 Glass composition and scratch resistance clean the windows and its preparation method and application
CN109052928A (en) * 2018-09-04 2018-12-21 中国南玻集团股份有限公司 Glass fining agent, Boroalumino silicate glasses and preparation method thereof, glass substrate and display
CN109052928B (en) * 2018-09-04 2021-11-05 中国南玻集团股份有限公司 Glass clarifying agent, boroaluminosilicate glass, preparation method of boroaluminosilicate glass, glass substrate and display
CN109455940A (en) * 2019-01-11 2019-03-12 福州布朗新材料技术有限公司 A kind of soft lead-free low-temperature seal glass and preparation method thereof
CN109455940B (en) * 2019-01-11 2021-09-21 河北曜阳新材料技术有限公司 Soft lead-free low-temperature sealing glass and preparation method thereof
CN110550858A (en) * 2019-07-12 2019-12-10 重庆鑫景特种玻璃有限公司 Clarifying agent for float glass
CN110550858B (en) * 2019-07-12 2023-05-23 重庆鑫景特种玻璃有限公司 Float glass clarifier
CN110540361A (en) * 2019-08-22 2019-12-06 株洲醴陵旗滨玻璃有限公司 holographic imaging glass composition, glass substrate and preparation method
CN113402165A (en) * 2021-07-28 2021-09-17 成都光明光电股份有限公司 Glass composition, chemically strengthened glass, and method for producing same

Similar Documents

Publication Publication Date Title
CN101062834A (en) LCD sheet glass
KR101413549B1 (en) Alkali-free glass
CN103313948B (en) Non-alkali glass
CN110668694B (en) Alkali-free glass plate
JP5874316B2 (en) Alkali-free glass
CN1576253A (en) Glass substrate for display and manufacturing method thereof
CN104039727A (en) Alkali-free glass
CN1673140A (en) Glass for display substrate
CN1224699A (en) Alkali metal-free aluminoborosilicate glass and its use
KR20130138304A (en) Glass substrate for liquid crystal lens
JP7307407B2 (en) Alkali-free glass
TWI417265B (en) Photovoltaic low iron flat glass batches containing alkali-free alumino-borosilicate display glass cullet
CN101045607A (en) Boron sikicate aluminum glass
WO2012023470A1 (en) Alkali-free glass
KR20170137031A (en) Glass
JP5377834B2 (en) Aluminoborosilicate glass
CN103011585A (en) Environment-friendly liquid crystal base plate glass and preparation method thereof
WO2020080163A1 (en) Alkali-free glass plate
CN1603904A (en) Liquid crystal display substrate glass
KR20220071262A (en) Alkali-free aluminoborosilicate glass
JP3804111B2 (en) Alkali-free glass and display substrate
CN102417300B (en) Glass for liquid crystal display and manufacture method thereof
CN1264770C (en) Glass substrate of plasma display device
CN112823143A (en) Alkali-free glass plate
JP2012201524A (en) Method for manufacturing glass substrate

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
AD01 Patent right deemed abandoned

Effective date of abandoning: 20071031

C20 Patent right or utility model deemed to be abandoned or is abandoned