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Glass substrates and methods for forming glass substrates are disclosed. The glass substrates include a planar A-side surface having a surface roughness Ra1 of less than 0.5 nm and a planar B-side having a surface roughness Ra2 wherein the ratio Ra2:Ra1 is greater than or equal to about 1.5. A plura

Glass substrates and methods for forming glass substrates are disclosed. The glass substrates include a planar A-side surface having a surface roughness Ra1 of less than 0.5 nm and a planar B-side having a surface roughness Ra2 wherein the ratio Ra2:Ra1 is greater than or equal to about 1.5. A plurality of texturing features are formed in the B-side surface. The plurality of texturing features have a peak-to-valley height H such that 0.05 μm≦H≦3.75 μm. The texturing features are distributed in the B-side surface such that a center-to-center pitch P between adjacent texturing features is at least 1.5 mm in at least one direction. The plurality of texturing features are formed in the B-side surface while the glass substrate is at a temperature T1, wherein 600° C.≦T1≦1200° C. and a viscosity of the glass substrate is from greater than 150,000 Poise and less than 1013 Poise.

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1. A glass substrate comprising: a planar A-side surface having a surface roughness Ra1 of less than 0.5 nm;a planar B-side surface opposed to the A-side surface, the B-side surface comprising: a surface roughness Ra2 such that a ratio Ra2:Ra1 is greater than or equal to about 1.5;a plurality of tex

1. A glass substrate comprising: a planar A-side surface having a surface roughness Ra1 of less than 0.5 nm;a planar B-side surface opposed to the A-side surface, the B-side surface comprising: a surface roughness Ra2 such that a ratio Ra2:Ra1 is greater than or equal to about 1.5;a plurality of texturing features formed in the B-side surface such that the texturing features extend from the B-side surface into a thickness S of the glass substrate without extending through the thickness S of the glass substrate, the plurality of texturing features having a peak-to-valley height H such that 0.05 μm≦H≦3.75 μm; anda center-to-center pitch P between adjacent texturing features is at least 1.5 mm in at least one direction. 2. The glass substrate of claim 1, wherein H≦0.04*S. 3. The glass substrate of claim 1, wherein the center-to-center pitch P between adjacent texturing features is less than or equal to 25 mm. 4. The glass substrate of claim 1, wherein the B-side surface of the glass substrate has a planar area A and a contact surface area C, wherein C≦0.5*A. 5. A method for forming a glass substrate, the method comprising: melting glass batch materials to form molten glass;forming the molten glass into a glass substrate having a planar A-side surface and a planar B-side surface opposed to the A-side surface, wherein the glass substrate is formed without mechanically contacting at least the A-side surface prior to the glass substrate solidifying to a viscosity greater than 1013 Poise, wherein the planar A-side surface has a surface roughness Ra1 of less than 0.5 nm after solidification;drawing the glass substrate in a downward direction;forming a plurality of texturing features into the B-side surface of the glass substrate while the glass substrate is at a temperature T1, wherein: 600° C.≦T1≦1200° C.;the texturing features extend from the B-side surface into a thickness of the glass substrate without extending through the thickness of the glass substrate;the plurality of texturing features have a peak-to-valley height H such that 0.05 μm≦H≦3.75 μm;a center-to-center pitch P between adjacent texturing features is at least 1.5 mm in at least one direction; andthe B-side surface has a surface roughness Ra2 such that a ratio Ra2:Ra1 is greater than or equal to about 1.5. 6. The method of claim 5, wherein the plurality of texturing features have a first size D1 while the glass substrate is at the temperature T1 and a second size D2 when the glass substrate is cooled to room temperature, wherein D1>D2. 7. The method of claim 5, wherein the texturing features are formed by selectively drawing heat from the surface of the glass substrate as the glass substrate is drawn in the downward direction. 8. The method of claim 5, wherein the plurality of texturing features are formed in the B-side surface of the glass substrate by directing at least one stream of compressed gas onto the B-side surface of the glass substrate as the glass substrate is drawn in the downward direction. 9. The method of claim 5, wherein the plurality of texturing features are formed in the B-side surface of the glass substrate by contacting the B-side surface of the glass substrate with a texturing roller, wherein at least a portion of a contact surface of the texturing roller comprises a plurality of patterning features corresponding to the texturing features imprinted on the B-side surface. 10. The method of claim 9, wherein a temperature T2 of the texturing roller is actively controlled such that T2