US2020316931A1PendingUtilityA1

Optical bonding method

70
Assignee: PREC VALVE & AUTOMATION INCPriority: Jan 19, 2011Filed: Mar 13, 2020Published: Oct 8, 2020
Est. expiryJan 19, 2031(~4.5 yrs left)· nominal 20-yr term from priority
Inventors:Andrew John NallyJonathan Neal UrquhartJeffrey James VannordenWilliam Edward Berkheiser, Iii
B32B 17/10807Y10T156/10Y10T156/17B32B 38/18B05C 5/0279B32B 37/14B32B 2551/00B32B 37/12
70
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Claims

Abstract

Optically bonding a first substrate to a second substrate, or vice versa, by contacting an adhesive on the second substrate with a fill material of the first substrate.

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
         1 . A method of optical bonding comprising:
 dispensing a fill material on a surface of a first substrate;   applying an amount of adhesive to a surface of a second substrate; and   contacting the first substrate with a second substrate to optically bond the first substrate with the second substrate without a frame body located between the first substrate and the second substrate.   
     
     
         2 . The method of  claim 1 , further comprising: moving at least one of the first substrate and the second substrate to position the first substrate and the second substrate proximate each other. 
     
     
         3 . The method of  claim 2 , wherein the moving is in at least a horizontal direction. 
     
     
         4 . The method of  claim 2 , wherein the moving is in at least a horizontal direction and a vertical direction. 
     
     
         5 . The method of  claim 1 , wherein the fill material is dispensed on the surface of the first substrate such that a largest fill height is proximate a center of the first substrate and a lowest fill height is proximate one or more corners of the first substrate. 
     
     
         6 . The method of  claim 1 , wherein at least one of the first substrate and the second substrate is a transparent substrate. 
     
     
         7 . The method of  claim 1 , wherein the fill material is an optically clear adhesive. 
     
     
         8 . The method of  claim 1 , further comprising: dispensing a dam material around a perimeter of the first substrate to form a dam. 
     
     
         9 . The method of  claim 8 , wherein the dam includes one or more vents to allow air to escape as the second substrate is contacted with the first substrate. 
     
     
         10 . The method of  claim 1 , wherein contacting the first substrate with the second substrate forces the fill material to create a capillary effect as the fill material flows across the surface of the first substrate. 
     
     
         11 . A method comprising:
 dispensing a fill material on a first frameless substrate; and   contacting the first frameless substrate with a second frameless substrate to optically bond the first frameless substrate with the second frameless substrate;   wherein the second frameless substrate includes an amount of adhesive on a side of the second frameless substrate, and the fill material contacts the adhesive on the second frameless substrate prior to a surface of the second frameless substrate.   
     
     
         12 . The method of  claim 11 , further comprising: moving at least one of the first frameless substrate and the second frameless substrate to position the first frameless substrate and the second frameless substrate proximate each other. 
     
     
         13 . The method of  claim 12 , wherein the moving is in at least a horizontal direction. 
     
     
         14 . The method of  claim 12 , wherein the moving is in at least a horizontal direction and a vertical direction. 
     
     
         15 . The method of  claim 11 , wherein the contacting results in the first frameless substrate being optically bonded to the second frameless substrate without a frame body located between the first substrate and the second substrate. 
     
     
         16 . The method of  claim 11 , wherein at least one of the first substrate and the second substrate is a transparent substrate. 
     
     
         17 . The method of  claim 11 , wherein the fill material is an optically clear adhesive. 
     
     
         18 . A method comprising:
 dispensing a fill material on a first frameless substrate;   applying an amount of adhesive on a side of a second frameless substrate; and   bonding the first frameless substrate with the second frameless substrate by contacting the adhesive of the second frameless substrate with the fill material of the first frameless substrate.   
     
     
         19 . The method of  claim 18 , further comprising: moving at least one of the first substrate and the second substrate to position the first substrate and the second substrate proximate each other. 
     
     
         20 . The method of  claim 18 , wherein a contact between the adhesive and the fill material occurs prior to a contact between a surface of the second frameless substrate and at least one of: the fill material and a surface of the first frameless substrate. 
     
     
         21 . A method comprising:
 optically bonding a first frameless substrate to a second frameless substrate by contacting an adhesive on the second frameless substrate with a fill material of the first frameless substrate.   
     
     
         22 . The method of  claim 20 , wherein a contact between the adhesive and the fill material occurs prior to a contact between a surface of the second frameless substrate and at least one of:
 the fill material and a surface of the first frameless substrate.   
     
     
         23 . The method of  claim 21 , wherein the first frameless substrate and the second frameless substrate are transparent substrates without a frame body surrounding the substrates. 
     
     
         24 . The method of  claim 21 , wherein the fill material is an optically clear adhesive. 
     
     
         25 . The method of  claim 21 , wherein the first frameless substrate is optically bonded to the second frameless substrate without a frame body located between the first frameless substrate and the second frameless substrate. 
     
     
         26 . A method of optical bonding comprising:
 dispensing a fill material on a surface of a first substrate;   applying an amount of adhesive to a surface of a second substrate; and   contacting the first substrate with a second substrate to optically bond the first substrate with the second substrate, causing a flow of the fill material between the first substrate and the second substrate, which is contained between the first substrate and the second substrate without the use of a non-liquid object between the first substrate and the second substrate.

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