Display with controlled formation of bubbles
First Claim
Patent Images
1. A display apparatus comprising;
- a first substrate supporting an array of light modulators;
a second substrate separated from the first substrate by a gap;
a fluid substantially filling the gap;
sealing material joining the first substrate to the second substrate; and
a bubble trapping region within a space enclosed by the sealing material for substantially constraining a location of a bubble trapped within the gap,wherein the bubble trapping region extends along a majority of a side of at least one of the substrates.
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Abstract
The invention relates to a display apparatus including a first substrate supporting an array of light modulators, a second substrate separated from the first substrate by a gap, a fluid substantially filling the gap, sealing material joining the first substrate to the second substrate, and a bubble trapping region within a space enclosed by the sealing material for substantially constraining a location of a bubble trapped within the gap. In some embodiments, the bubble trapping region extends along a majority of a side of at least one of the substrates. In some embodiments, the fluid has a viscosity less than 70 centipoise.
60 Citations
41 Claims
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1. A display apparatus comprising;
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a first substrate supporting an array of light modulators; a second substrate separated from the first substrate by a gap; a fluid substantially filling the gap; sealing material joining the first substrate to the second substrate; and a bubble trapping region within a space enclosed by the sealing material for substantially constraining a location of a bubble trapped within the gap, wherein the bubble trapping region extends along a majority of a side of at least one of the substrates. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A display apparatus comprising;
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a first substrate supporting an array of light modulators; a second substrate separated from the first substrate by a gap; a fluid substantially filling the gap; sealing material joining the first substrate to the second substrate; and a bubble trapping region within a space enclosed by the sealing material for substantially constraining a location of a bubble trapped within the gap, wherein the fluid has a viscosity less than 70 centipoise. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32)
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33. A method of manufacturing an assembly comprising the steps of;
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providing a first substrate; providing a second substrate separated from the first substrate by a gap; forming of at least one bubble trapping region on at least one portion of one of the substrate surfaces; joining both substrates by placing a sealing material partially around the periphery; substantially filling the space created by the sealing material with a working fluid; inducing the formation of a bubble at or near a bubble trapping region to position the bubble within the bubble trapping region; and sealing the space. - View Dependent Claims (34, 35, 36, 37, 38, 39, 40, 41)
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Specification