Microcrystalline glass, microcrystalline glass product and manufacturing method thereof

Abstract

A microcrystalline glass product. The microcrystalline glass product includes the following components in percentage by weight: SiO2: 45-70%; Al2O3: 8-18%; Li2O: 10-25%; ZrO2: 5-15%; P2O5: 2-10%; and Y2O3: greater than 0 but less than or equal to 8%. Through reasonable component design, the microcrystalline glass and the microcrystalline glass product have excellent mechanical and optical properties and are suitable for electronic devices or display devices.

1 - 77 . (canceled) 
     
     
         78 . A microcrystalline glass product, comprising following components in percentage by weight: SiO 2 : 45-70%; Al 2 O 3 : 8-18%; Li 2 O: 10-25%; ZrO 2 : 5-15%; P 2 O 5 : 2-10%; and Y 2 O 3 : greater than 0 but less than or equal to 8%. 
     
     
         79 . The microcrystalline glass product according to  claim 78 , further comprising the following components in percentage by weight: K 2 O: 0-5%; and/or MgO: 0-2%; and/or ZnO: 0-2%; and/or Na 2 O: 0-6%; and/or SrO: 0-5%; and/or BaO: 0-5%; and/or CaO: 0-5%; and/or TiO 2 : 0-5%; and/or B 2 O 3 : 0-5%; and/or Ln 2 O 3 : 0-5%; and/or a clarifying agent: 0-2%, wherein Ln 2 O 3  is one or more of La 2 O 3 , Gd 2 O 3 , and Yb 2 O 3 , and the clarifying agent is one or more of Sb 2 O 3 , SnO 2 , SnO, CeO 2 , F, Cl, and Br. 
     
     
         80 . The microcrystalline glass product, comprising following components: SiO 2 , Al 2 O 3 , Li 2 O, ZrO 2 , P 2 O 5  and Y 2 O 3 , wherein a crystal phase of the microcrystalline glass product comprises lithium monosilicate, the lithium monosilicate has a higher weight percentage than other crystal phases. 
     
     
         81 . The microcrystalline glass product according to  claim 80 , comprising following components in percentage by weight: SiO 2 : 45-70%; and/or Al 2 O 3 : 8-18%; and/or Li 2 O: 10-25%; and/or ZrO 2 : 5-15%; and/or P 2 O 5 : 2-10%; and/or Y 2 O 3 : greater than 0 but less than or equal to 8%; and/or K 2 O: 0-5%; and/or MgO: 0-2%; and/or ZnO: 0-2%; and/or Na 2 O: 0-6%; and/or SrO: 0-5%; and/or BaO: 0-5%; and/or CaO: 0-5%; and/or TiO 2 : 0-5%; and/or B 2 O 3 : 0-5%; and/or Ln 2 O 3 : 0-5%; and/or a clarifying agent: 0-2%, wherein Ln 2 O 3  is one or more of La 2 O 3 , Gd 2 O 3 , and Yb 2 O 3 , and the clarifying agent is one or more of Sb 2 O 3 , SnO 2 , SnO, CeO 2 , F, Cl, and Br. 
     
     
         82 . The microcrystalline glass product according to  claim 80 , wherein the components are expressed in percentage by weight, and a content of each component satisfies more than one of following five situations:
 1) Y 2 O 3 /ZrO 2  is greater than 0;   2) (Li 2 O+ZrO 2 +P 2 O 5 )/Y 2 O 3  is 2.5-50.0;   3) Al 2 O 3 /(Li 2 O+ZrO 2 +P 2 O 5 ) is 0.16-0.9;   4) Na 2 O/Y 2 O 3  is 6.0 or less;   5) Y 2 O 3 /(Al 2 O 3 +SiO 2 ) is greater than 0 but less than or equal to 0.15.   
     
     
         83 . The microcrystalline glass product according to  claim 78 , wherein the components are expressed in percentage by weight, and a content of each component satisfies more than one of following five situations:
 1) Y 2 O 3 /ZrO 2  is greater than 0;   2) (Li 2 O+ZrO 2 +P 2 O 5 )/Y 2 O 3  is 2.5-50.0;   3) Al 2 O 3 /(Li 2 O+ZrO 2 +P 2 O 5 ) is 0.16-0.9;   4) Na 2 O/Y 2 O 3  is 6.0 or less;   5) Y 2 O 3 /(Al 2 O 3 +SiO 2 ) is greater than 0 but less than or equal to 0.15.   
     
     
         84 . The microcrystalline glass product according to  claim 78 , comprising the following components in percentage by weight: SiO 2 : 50-65%; and/or Al 2 O 3 : 8-15%;
 and/or Li 2 O: 13-22%; and/or ZrO 2 : 6-12%; and/or P 2 O 5 : 3.5-9%; and/or K 2 O: 0-4%; and/or   MgO: 0-1%; and/or ZnO: 0-1%; and/or Na 2 O: 1-5%; and/or Y 2 O 3 : 1-7%; and/or SrO: 0-3%; and/or BaO: 0-3%; and/or CaO: 0-3%; and/or TiO 2 : 0-3%; and/or B 2 O 3 : 0-3%; and/or   Ln 2 O 3 : 0-4%; and/or a clarifying agent: 0-1%, wherein Ln 2 O 3  is one or more of La 2 O 3 , Gd 2 O 3 , and Yb 2 O 3 , and the clarifying agent is one or more of Sb 2 O 3 , SnO 2 , SnO, CeO 2 , F, Cl, and Br.   
     
     
         85 . The microcrystalline glass product according to  claim 78 , wherein the components are expressed in percentage by weight, and a content of each component satisfies more than one of following five situations:
 1) Y 2 O 3 /ZrO 2  is 0.1-1.0;   2) (Li 2 O+ZrO 2 +P 2 O 5 )/Y 2 O 3  is 3.0-40.0;   3) Al 2 O 3 /(Li 2 O+ZrO 2 +P 2 O 5 ) is 0.18-0.6;   4) Na 2 O/Y 2 O 3  is 0.1-5.0;   5) Y 2 O 3 /(Al 2 O 3 +SiO 2 ) is 0.01-0.12.   
     
     
         86 . The microcrystalline glass product according to  claim 78 , comprising the following components in percentage by weight: SiO 2 : 53-63%; and/or Al 2 O 3 : 8-12%; and/or Li 2 O: 14-21%; and/or ZrO 2 : 7-12%; and/or P 2 O 5 : 4-8%; and/or K 2 O: 0-2%; and/or Y 2 O 3 : 2-6%; and/or B 2 O 3 : 0-2%; and/or Na 2 O: 1.5-4%; and/or SrO: 0-1%; and/or TiO 2 : 0-1%; and/or BaO: 0-1%; and/or CaO: 0-1%; and/or Ln 2 O 3 : 0-3%; and/or a clarifying agent: 0-0.5%, wherein Ln 2 O 3  is one or more of La 2 O 3 , Gd 2 O 3 , and Yb 2 O 3 , and the clarifying agent is one or more of Sb 2 O 3 , SnO 2 , SnO, CeO 2 , F, Cl, and Br. 
     
     
         87 . The microcrystalline glass product according to  claim 78 , wherein the components are expressed in percentage by weight, and a content of each component satisfies more than one of the following five situations:
 1) Y 2 O 3 /ZrO 2  is 0.2-0.6;   2) (Li 2 O+ZrO 2 +P 2 O 5 )/Y 2 O 3  is 4.0-21.0;   3) Al 2 O 3 /(Li 2 O+ZrO 2 +P 2 O 5 ) is 0.19-0.5;   4) Na 2 O/Y 2 O 3  is 0.3-2.0;   5) Y 2 O 3 /(Al 2 O 3 +SiO 2 ) is 0.03-0.09.   
     
     
         88 . The microcrystalline glass product according to  claim 78 , wherein a crystal phase of the microcrystalline glass product mainly comprises lithium monosilicate; lithium monosilicate has a higher weight percentage than other crystal phases, and lithium monosilicate accounts for 10-63.5% by weight of the microcrystalline glass product. 
     
     
         89 . The microcrystalline glass product according to  claim 78 , wherein a crystal phase of the microcrystalline glass product mainly comprises lithium monosilicate; lithium monosilicate has a higher weight percentage than other crystal phases, and lithium monosilicate accounts for 15-55% by weight of the microcrystalline glass product. 
     
     
         90 . The microcrystalline glass product according to  claim 78 , wherein the microcrystalline glass product comprises a lithium phosphate crystal phase, and the lithium phosphate crystal phase accounts for 3-15% by weight of the microcrystalline glass product. 
     
     
         91 . The microcrystalline glass product according to  claim 78 , wherein a surface stress of the microcrystalline glass product is 600 MPa or more; and/or a four-point bending strength is 600 MPa or more; and/or an ion-exchange layer depth is 20 μm or more; and/or a drop ball test height is 1300 mm or more; and/or a fracture toughness is 1 MPa·m 1/2  or more; and/or a Vickers hardness is 700 kgf/mm 2  or more; and/or a crystallinity is 50% or more; and/or a crystal grain size is 50 nm or less; and/or a haze of the microcrystalline glass product with a thickness of 1 mm or less is 0.15% or less; and/or an average transmittance of the microcrystalline glass product with the thickness of 1 mm or less at a wavelength of 400-800 nm is 89% or more; and/or a transmittance of the microcrystalline glass product with the thickness of 1 mm or less at the wavelength of 550 nm is 91% or more; and/or an average light |B value of the microcrystalline glass product with the thickness of 1 mm or less at 400-800 nm is 0.6 or less. 
     
     
         92 . The microcrystalline glass product according to  claim 78 , wherein a surface stress of the microcrystalline glass product is 700 MPa or more; and/or a four-point bending strength is 700 MPa or more; and/or an ion-exchange layer depth is 40 μm or more; and/or a drop ball test height is 1500 mm or more; and/or a fracture toughness is 1.2 MPa·m 1/2  or more; and/or a Vickers hardness is 730 kgf/mm 2  or more; and/or a crystallinity is 70% or more; and/or a crystal grain size is 30 nm or less; and/or a haze of the microcrystalline glass product with a thickness of 1 mm or less is 0.1% or less; and/or an average light |B value of the microcrystalline glass product with the thickness of 1 mm or less at 400-800 nm is 0.5 or less. 
     
     
         93 . The microcrystalline glass product according to  claim 91 , wherein the thickness of the microcrystalline glass product is 0.2-1 mm. 
     
     
         94 . The microcrystalline glass product according to  claim 78 , wherein the microcrystalline glass product includes a colorant, the colorant comprises following components in percentage by weight: NiO: 0-4%; and/or Ni 2 O 3 : 0-4%; and/or CoO: 0-2%; and/or Co 2 O 3 : 0-2%; and/or Fe 2 O 3 : 0-7%; and/or MnO 2 : 0-4%; and/or Er 2 O 3 : 0-8%; and/or Nd 2 O 3 : 0-8%; and/or Cu 2 O: 0-4%; and/or Pr 2 O 3 : 0-8%; and/or CeO 2 : 0-4%. 
     
     
         95 . Microcrystalline glass, comprising following components in percentage by weight: SiO 2 : 45-70%; Al 2 O 3 : 8-18%; Li 2 O: 10-25%; ZrO 2 : 5-15%; P 2 O 5 : 2-10%; and Y 2 O 3 : greater than 0 but less than or equal to 8%. 
     
     
         96 . The microcrystalline glass according to  claim 95 , further comprising the following components in percentage by weight: K 2 O: 0-5%; and/or MgO: 0-2%; and/or ZnO: 0-2%; and/or Na 2 O: 0-6%; and/or SrO: 0-5%; and/or BaO: 0-5%; and/or TiO 2 : 0-5%; and/or CaO: 0-5%; and/or B 2 O 3 : 0-5%; and/or Ln 2 O 3 : 0-5%; and/or a clarifying agent: 0-2%, wherein Ln 2 O 3  is one or more of La 2 O 3 , Gd 2 O 3 , and Yb 2 O 3 , and the clarifying agent is one or more of Sb 2 O 3 , SnO 2 , SnO, CeO 2 , F, Cl, and Br. 
     
     
         97 . The microcrystalline glass, comprising following components: SiO 2 , Al 2 O 3 , Li 2 O, ZrO 2 , P 2 O 5  and Y 2 O 3 , wherein a crystal phase of the microcrystalline glass comprises lithium monosilicate, the lithium monosilicate has a higher weight percentage than other crystal phases. 
     
     
         98 . The microcrystalline glass product according to  claim 97 , comprising following components in percentage by weight: SiO 2 : 45-70%; and/or Al 2 O 3 : 8-18%; and/or Li 2 O: 10-25%; and/or ZrO 2 : 5-15%; and/or P 2 O 5 : 2-10%; and/or Y 2 O 3 : greater than 0 but less than or equal to 8%; and/or K 2 O: 0-5%; and/or MgO: 0-2%; and/or ZnO: 0-2%; and/or Na 2 O: 0-6%; and/or SrO: 0-5%; and/or BaO: 0-5%; and/or CaO: 0-5%; and/or TiO 2 : 0-5%; and/or B 2 O 3 : 0-5%; and/or Ln 2 O 3 : 0-5%; and/or a clarifying agent: 0-2%, wherein Ln 2 O 3  is one or more of La 2 O 3 , Gd 2 O 3 , and Yb 2 O 3 , and the clarifying agent is one or more of Sb 2 O 3 , SnO 2 , SnO, CeO 2 , F, Cl, and Br. 
     
     
         99 . The microcrystalline glass according to  claim 97 , wherein the components are expressed in percentage by weight, and a content of each component satisfies more than one of following five situations:
 1) Y 2 O 3 /ZrO 2  is greater than 0;   2) (Li 2 O+ZrO 2 +P 2 O 5 )/Y 2 O 3  is 2.5-50.0;   3) Al 2 O 3 /(Li 2 O+ZrO 2 +P 2 O 5 ) is 0.16-0.9;   4) Na 2 O/Y 2 O 3  is 6.0 or less;   5) Y 2 O 3 /(Al 2 O 3 +SiO 2 ) is greater than 0 but less than or equal to 0.15.   
     
     
         100 . The microcrystalline glass according to  claim 95 , wherein the components are expressed in percentage by weight, and a content of each component satisfies more than one of following five situations:
 1) Y 2 O 3 /ZrO 2  is greater than 0;   2) (Li 2 O+ZrO 2 +P 2 O 5 )/Y 2 O 3  is 2.5-50.0;   3) Al 2 O 3 /(Li 2 O+ZrO 2 +P 2 O 5 ) is 0.16-0.9;   4) Na 2 O/Y 2 O 3  is 6.0 or less;   5) Y 2 O 3 /(Al 2 O 3 +SiO 2 ) is greater than 0 but less than or equal to 0.15.   
     
     
         101 . The microcrystalline glass according to  claim 95 , comprising the following components in percentage by weight: SiO 2 : 50-65%; and/or Al 2 O 3 : 8-15%; and/or Li 2 O: 13-22%; and/or ZrO 2 : 6-12%; and/or P 2 O 5 : 3.5-9%; and/or K 2 O: 0-4%; and/or MgO 0-1%; and/or ZnO: 0-1%; and/or Na 2 O: 1-5%; and/or Y 2 O 3 : 1-7%; and/or SrO: 0-3%; and/or TiO 2 : 0-3%; and/or BaO: 0-3%; and/or CaO: 0-3%; and/or B 2 O 3 : 0-3%; and/or Ln 2 O 3 : 0-4%; and/or a clarifying agent: 0-1%, wherein Ln 2 O 3  is one or more of La 2 O 3 , Gd 2 O 3 , and Yb 2 O 3 , and the clarifying agent is one or more of Sb 2 O 3 , SnO 2 , SnO, CeO 2 , F, Cl, and Br. 
     
     
         102 . The microcrystalline glass according to  claim 95 , wherein the components are expressed in percentage by weight, and a content of each component satisfies more than one of following five situations:
 1) Y 2 O 3 /ZrO 2  is 0.1-1.0;   2) (Li 2 O+ZrO 2 +P 2 O 5 )/Y 2 O 3  is 3.0-40.0;   3) Al 2 O 3 /(Li 2 O+ZrO 2 +P 2 O 5 ) is 0.18-0.6;   4) Na 2 O/Y 2 O 3  is 0.1-5.0;   5) Y 2 O 3 /(Al 2 O 3 +SiO 2 ) is 0.01-0.12.   
     
     
         103 . The microcrystalline glass according to  claim 95 , comprising the following components in percentage by weight: SiO 2 : 53-63%; and/or Al 2 O 3 : 8-12%; and/or Li 2 O: 14-21%; and/or ZrO 2 : 7-12%; and/or P 2 O 5 : 4-8%; and/or K 2 O: 0-2%; and/or Y 2 O 3 : 2-6%; and/or B 2 O 3 : 0-2%; and/or Na 2 O: 1.5-4%; and/or SrO: 0-1%; and/or TiO 2 : 0-1%; and/or BaO: 0-1%; and/or CaO: 0-1%; and/or Ln 2 O 3 : 0-3%; and/or a clarifying agent: 0-0.5%, wherein Ln 2 O 3  is one or more of La 2 O 3 , Gd 2 O 3 , and Yb 2 O 3 , and the clarifying agent is one or more of Sb 2 O 3 , SnO 2 , SnO, CeO 2 , F, Cl, and Br. 
     
     
         104 . The microcrystalline glass according to  claim 95 , wherein the components are expressed in percentage by weight, and a content of each component satisfies more than one of following five situations:
 1) Y 2 O 3 /ZrO 2  is 0.2-0.6;   2) (Li 2 O+ZrO 2 +P 2 O 5 )/Y 2 O 3  is 4.0-21.0;   3) Al 2 O 3 /(Li 2 O+ZrO 2 +P 2 O 5 ) is 0.19-0.5;   4) Na 2 O/Y 2 O 3  is 0.3-2.0;   5) Y 2 O 3 /(Al 2 O 3 +SiO 2 ) is 0.03-0.09.   
     
     
         105 . The microcrystalline glass according to  claim 95 , wherein a crystal phase of the microcrystalline glass mainly comprises lithium monosilicate; lithium monosilicate has a higher weight percentage than other crystal phases, and lithium monosilicate accounts for 10-63.5% by weight of the microcrystalline glass. 
     
     
         106 . The microcrystalline glass according to  claim 95 , wherein a crystal phase of the microcrystalline glass mainly comprises lithium monosilicate; lithium monosilicate has a higher weight percentage than other crystal phases, and lithium monosilicate accounts for 15-55% by weight of the microcrystalline glass. 
     
     
         107 . The microcrystalline glass according to  claim 95 , wherein the microcrystalline glass comprises a lithium phosphate crystal phase, and the lithium phosphate crystal phase accounts for 3-15% by weight of the microcrystalline glass. 
     
     
         108 . The microcrystalline glass according to  claim 95 , wherein a crystallinity of the microcrystalline glass is 50% or more; and/or a crystalgrain size is 50 nm or less; and/or a coefficient of thermal expansion is 75-95×10 −7 /K; and/or a refractive index is 1.5700-1.5800; and/or a body drop height of the microcrystalline glass is 1000 mm or more; and/or a Vickers hardness is 650 kgf/mm 2  or more; and/or a haze of the microcrystalline glass with a thickness of 1 mm or less is 0.15% or less; and/or an average transmittance of the microcrystalline glass with the thickness of 1 mm or less at a wavelength of 400-800 nm is 89% or more; and/or a transmittance of the microcrystalline glass with the thickness of 1 mm or less at the wavelength of 550 nm is 91% or more; and/or an average light |B value of the microcrystalline glass with the thickness of 1 mm or less at 400-800 nm is 0.6 or less. 
     
     
         109 . The microcrystalline glass according to  claim 95 , wherein a crystallinity of the microcrystalline glass is 70% or more; and/or a crystalgrain size is 30 nm or less; and/or body drop height of the microcrystalline glass is 1200 mm or more; and/or a Vickers hardness is 700 kgf/mm 2  or more; and/or a haze of the microcrystalline glass with a thickness of 1 mm or less is 0.1% or less; and/or an average light |B value of the microcrystalline glass with the thickness of 1 mm or less at 400-800 nm is 0.5 or less. 
     
     
         110 . The microcrystalline glass according to  claim 108 , wherein the thickness of the microcrystalline glass is 0.2-1 mm. 
     
     
         111 . The microcrystalline glass according to  claim 95 , wherein the microcrystalline glass includes a colorant, the colorant comprises the following components in percentage by weight: NiO: 0-4%; and/or Ni 2 O 3 : 0-4%; and/or CoO: 0-2%; and/or Co 2 O 3 : 0-2%; and/or Fe 2 O 3 : 0-7%; and/or MnO 2 : 0-4%; and/or Er 2 O 3 : 0-8%; and/or Nd 2 O 3 : 0-8%; and/or Cu 2 O: 0-4%; and/or Pr 2 O 3 : 0-8%; and/or CeO 2 : 0-4%. 
     
     
         112 . Matrix glass, comprising following components in percentage by weight: SiO 2 : 45-70%; Al 2 O 3 : 8-18%; Li 2 O: 10-25%; ZrO 2 : 5-15%; P 2 O 5 : 2-10%; and Y 2 O 3 : greater than 0 but less than or equal to 8%. 
     
     
         113 . The matrix glass according to  claim 112 , further comprising the following components in percentage by weight: K 2 O: 0-5%; and/or MgO: 0-2%; and/or ZnO: 0-2%; and/or Na 2 O: 0-6%; and/or SrO: 0-5%; and/or BaO: 0-5%; and/or CaO: 0-5%; and/or TiO 2 : 0-5%; and/or B 2 O 3 : 0-5%; and/or Ln 2 O 3 : 0-5%; and/or a clarifying agent: 0-2%, wherein Ln 2 O 3  is one or more of La 2 O 3 , Gd 2 O 3 , and Yb 2 O 3 , and the clarifying agent is one or more of Sb 2 O 3 , SnO 2 , SnO, CeO 2 , F, Cl, and Br. 
     
     
         114 . The matrix glass according to  claim 112 , wherein the components are expressed in percentage by weight, and a content of each component satisfies more than one of following five situations:
 1) Y 2 O 3 /ZrO 2  is greater than 0;   2) (Li 2 O+ZrO 2 +P 2 O 5 )/Y 2 O 3  is 2.5-50.0;   3) Al 2 O 3 /(Li 2 O+ZrO 2 +P 2 O 5 ) is 0.16-0.9;   4) Na 2 O/Y 2 O 3  is 6.0 or less;   5) Y 2 O 3 /(Al 2 O 3 +SiO 2 ) is greater than 0 but less than or equal to 0.15.   
     
     
         115 . The matrix glass according to  claim 112 , wherein the components are expressed in percentage by weight, and a content of each component satisfies more than one of following five situations:
 1) Y 2 O 3 /ZrO 2  is 0.1-1.0;   2) (Li 2 O+ZrO 2 +P 2 O 5 )/Y 2 O 3  is 3.0-40.0;   3) Al 2 O 3 /(Li 2 O+ZrO 2 +P 2 O 5 ) is 0.18-0.6;   4) Na 2 O/Y 2 O 3  is 0.1-5.0;   5) Y 2 O 3 /(Al 2 O 3 +SiO 2 ) is 0.01-0.12.   
     
     
         116 . The matrix glass according to  claim 112 , wherein the components are expressed in percentage by weight, and a content of each component satisfies more than one of following five situations:
 1) Y 2 O 3 /ZrO 2  is 0.2-0.6;   2) (Li 2 O+ZrO 2 +P 2 O 5 )/Y 2 O 3  is 4.0-21.0;   3) Al 2 O 3 /(Li 2 O+ZrO 2 +P 2 O 5 ) is 0.19-0.5;   4) Na 2 O/Y 2 O 3  is 0.3-2.0;   5) Y 2 O 3 /(Al 2 O 3 +SiO 2 ) is 0.03-0.09.   
     
     
         117 . The matrix glass according to  claim 112 , comprising the following components in percentage by weight: SiO 2 : 50-65%; and/or Al 2 O 3 : 8-15%; and/or Li 2 O: 13-22%; and/or ZrO 2 : 6-12%; and/or P 2 O 5 : 3.5-9%; and/or K 2 O: 0-4%; and/or MgO: 0-1%; and/or ZnO: 0-1%; and/or Na 2 O: 1-5%; and/or Y 2 O 3 : 1-7%; and/or SrO: 0-3%; and/or BaO: 0-3%; and/or TiO 2 : 0-3%; and/or CaO: 0-3%; and/or B 2 O 3 : 0-3%; and/or Ln 2 O 3 : 0-4%; and/or a clarifying agent: 0-1%, wherein Ln 2 O 3  is one or more of La 2 O 3 , Gd 2 O 3 , and Yb 2 O 3 , and the clarifying agent is one or more of Sb 2 O 3 , SnO 2 , SnO, CeO 2 , F, Cl, and Br. 
     
     
         118 . The matrix glass according to  claim 112 , comprising the following components in percentage by weight: SiO 2 : 53-63%; and/or Al 2 O 3 : 8-12%; and/or Li 2 O: 14-21%; and/or ZrO 2 : 7-12%; and/or P 2 O 5 : 4-8%; and/or K 2 O: 0-2%; and/or Na 2 O: 1.5-4%; and/or Y 2 O 3 : 2-6%; and/or SrO: 0-1%; and/or BaO: 0-1%; and/or TiO 2 : 0-1%; and/or CaO: 0-1%; and/or B 2 O 3 : 0-2%; and/or Ln 2 O 3 : 0-3%; and/or a clarifying agent: 0-0.5%, wherein Ln 2 O 3  is one or more of La 2 O 3 , Gd 2 O 3 , and Yb 2 O 3 , and the clarifying agent is one or more of Sb 2 O 3 , SnO 2 , SnO, CeO 2 , F, Cl, and Br. 
     
     
         119 . The matrix glass according to  claim 112 , wherein the matrix glass includes a colorant, the colorant comprises the following components in percentage by weight: NiO: 0-4%; and/or Ni 2 O 3 : 0-4%; and/or CoO: 0-2%; and/or Co 2 O 3 : 0-2%; and/or Fe 2 O 3 : 0-7%; and/or MnO 2 : 0-4%; and/or Er 2 O 3 : 0-8%; and/or Nd 2 O 3 : 0-8%; and/or Cu 2 O: 0-4%; and/or Pr 2 O 3 : 0-8%; and/or CeO 2 : 0-4%. 
     
     
         120 . A glass cover plate, comprising the microcrystalline glass product according to  claim 78 , and/or the microcrystalline glass comprising following components in percentage by weight: SiO 2 : 45-70%; Al 2 O 3 : 8-18%; Li 2 O: 10-25%; ZrO 2 : 5-15%; P 2 O 5 : 2-10%; and Y 2 O 3 : greater than 0 but less than or equal to 8%, and/or the matrix glass comprising following components in percentage by weight: SiO 2 : 45-70%; Al 2 O 3 : 8-18%; Li 2 O: 10-25%; ZrO 2 : 5-15%; P 2 O 5 : 2-10%; and Y 2 O 3 : greater than 0 but less than or equal to 8%. 
     
     
         121 . A glass component, comprising the microcrystalline glass product according to  claim 78 , and/or the microcrystalline glass comprising following components in percentage by weight: SiO 2 : 45-70%; Al 2 O 3 : 8-18%; Li 2 O: 10-25%; ZrO 2 : 5-15%; P 2 O 5 : 2-10%; and Y 2 O 3 : greater than 0 but less than or equal to 8%, and/or the matrix glass comprising following components in percentage by weight: SiO 2 : 45-70%; Al 2 O 3 : 8-18%; Li 2 O: 10-25%; ZrO 2 : 5-15%; P 2 O 5 : 2-10%; and Y 2 O 3 : greater than 0 but less than or equal to 8%. 
     
     
         122 . A display device, comprising the microcrystalline glass product according to  claim 78 , and/or the microcrystalline glass comprising following components in percentage by weight: SiO 2 : 45-70%; Al 2 O 3 : 8-18%; Li 2 O: 10-25%; ZrO 2 : 5-15%; P 2 O 5 : 2-10%; and Y 2 O 3 : greater than 0 but less than or equal to 8%, and/or the matrix glass comprising following components in percentage by weight: SiO 2 : 45-70%; Al 2 O 3 : 8-18%; Li 2 O: 10-25%; ZrO 2 : 5-15%; P 2 O 5 : 2-10%; and Y 2 O 3 : greater than 0 but less than or equal to 8%. 
     
     
         123 . An electronic device, comprising the microcrystalline glass product according to  claim 78 , and/or the microcrystalline glass comprising following components in percentage by weight: SiO 2 : 45-70%; Al 2 O 3 : 8-18%; Li 2 O: 10-25%; ZrO 2 : 5-15%; P 2 O 5 : 2-10%; and Y 2 O 3 : greater than 0 but less than or equal to 8%, and/or the matrix glass comprising following components in percentage by weight: SiO 2 : 45-70%; Al 2 O 3 : 8-18%; Li 2 O: 10-25%; ZrO 2 : 5-15%; P 2 O 5 : 2-10%; and Y 2 O 3 : greater than 0 but less than or equal to 8%.