Patent US5861929A successfully refreshed from Google Patents.
US5861929A
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Active matrix color display with multiple cells and connection through substrate
Assignee: Kopin Corp
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Filing: 1992-11-04
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Granted: 1999-01-19
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Expires: 2012-11-04
Abstract
Abstract A color active matrix display system including a plurality of active matrix arrays that are stacked around a liquid crystal material, vertically aligned and interconnected to provide a high resolution color display system.
Inventors
- 👤 Mark B. Spitzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 19:30
CPC Classifications
H; H10; H10D; H10D86/00; H10D86/01; H10D86/021; H10D86/0214; G; G02; G02B; G02B27/00; G02B27/0093; G02F; G02F1/00; G02F1/01; G02F1/13; G02F1/133; G02F1/1333; G02F1/1347; G09; G09G; G09G3/00; G09G3/20; G09G3/22; G09G3/30; G09G3/34; G09G3/36; H04; H04N; H04N9/00; H04N9/12; H04N9/31; H04N9/3141; H10D30/00; H10D30/60; H10D30/67; H10D30/6758; H10D86/40; H10D86/60; H10H; H10H29/00; H10H29/10; H10H29/14; H10H29/142; G02B27/01; G02B2027/0192; G02B2027/0198; G02F1/1345; G02F1/13454; G02F1/13471; G02F1/13473; G02F1/136; G02F1/13613; G02F1/1362; G02F1/136209; G09G2300/00; G09G2300/02; G09G2300/023; G09G2300/08; G09G2300/0809; G09G2300/0842; G09G2310/00; G09G2310/02; G09G2310/0243; G09G2310/0259; G09G2320/00; G09G2320/02; G09G2320/0233; G09G2320/04; G09G2320/041; G09G2320/043; G09G2340/00; G09G2340/04; G09G2340/0464; G09G3/3607; G09G3/3611; G09G3/3614; G09G3/3648; H04N5/00; H04N5/66; H04N5/70; H04N5/74; H04N5/7416; H04N5/7441; H04N5/7475; H04N5/7491; H10P; H10P72/00; H10P72/70; H10P72/74; H10P72/7426; H10P72/743
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
234 words
A liquid crystal subtractive color display comprising: a first active matrix array of first pixel SOI circuits and first pixel electrodes, the first pixel circuits being formed in a first thin film of single crystal silicon that is bonded to a first optically transmissive substrate with and adhesive layer; a first driver circuit formed with the first thin film of single crystal silicon that is bonded to the first optically transmissive substrate, the first driver circuit having a row driver and a column driver; a second active matrix array of second pixel SOI circuits and second pixel electrodes, the second pixel electrodes, the second pixel circuits being formed in a second thin film of single crystal silicon and bonded to a second optically transmissive substrate with an adhesive layer, the second active matrix array being aligned with the first active matrix array; a second circuit formed with the second thin film of single crystal silicon that is bonded to the second optically transmissive substrate, the second driver circuit having a second row driver and a second column driver; an interconnect between the first driver circuit and the second driver circuit that extends through the second optically transmissive substrate; and a first layer of liquid crystal material actuated by the first active matrix and a second layer of liquid crystal material actuated by the second active matrix to provide a subtractive color liquid crystal display.
Claim 2
Dependent Claim
234 words
A liquid crystal subtractive color display comprising: a first active matrix array of first pixel SOI circuits and first pixel electrodes, the first pixel circuits being formed in a first thin film of single crystal silicon that is bonded to a first optically transmissive substrate with and adhesive layer; a first driver circuit formed with the first thin film of single crystal silicon that is bonded to the first optically transmissive substrate, the first driver circuit having a row driver and a column driver; a second active matrix array of second pixel SOI circuits and second pixel electrodes, the second pixel electrodes, the second pixel circuits being formed in a second thin film of single crystal silicon and bonded to a second optically transmissive substrate with an adhesive layer, the second active matrix array being aligned with the first active matrix array; a second circuit formed with the second thin film of single crystal silicon that is bonded to the second optically transmissive substrate, the second driver circuit having a second row driver and a second column driver; an interconnect between the first driver circuit and the second driver circuit that extends through the second optically transmissive substrate; and a first layer of liquid crystal material actuated by the first active matrix and a second layer of liquid crystal material actuated by the second active matrix to provide a subtractive color liquid crystal display.
Claim 3
Dependent Claim
38 words
The liquid crystal display of claim 1 further comprising a third active matrix array having third pixel circuits and third pixel electrodes, the third active matrix array being formed in a third thin film of single crystal silicon.
Claim 4
Dependent Claim
21 words
The liquid crystal display of claim 2 further comprising a third layer of liquid crystal material adjacent the third active matrix.
Claim 5
Dependent Claim
23 words
The liquid crystal display of claim 2 further comprising a third driver circuit formed in the third thin film of single crystal silicon.
Claim 6
Dependent Claim
23 words
The liquid crystal display of claim 1 further comprising an optical interconnect circuit between the first active matrix and the second active matrix.
Claim 7
Independent Claim
206 words
A method of making a liquid crystal subtractive color driver comprising: forming a first active matrix array of first pixel SOI circuits, second driver circuits and first pixel electrodes, the first pixel circuits and first driver circuits being formed in a first thin film of single crystal silicon that is bonded to a first optically transmissive substrate; forming a second active matrix array of second pixel SOI circuits, second driver circuits and second pixel electrodes, the second pixel circuits and second driver circuits being formed in a second thin film of single crystal silicon that is bonded to a second optically transmissive substrate; aligning the second active matrix array over the first active matrix array to form a stacked display structure; interconnecting the first driver circuit and the second driver circuit with an interconnect extending through the second optically transmissive substrate such that the first driver circuit drives the first pixel SOI circuits and the second driver circuit drives the second pixel SOI circuits; and positioning a first layer of liquid crystal material in a cavity adjacent to by the first active matrix and positioning a second layer of liquid crystal material adjacent to the second active matrix to provide a subtractive color liquid crystal display.
Claim 8
Independent Claim
206 words
A method of making a liquid crystal subtractive color driver comprising: forming a first active matrix array of first pixel SOI circuits, second driver circuits and first pixel electrodes, the first pixel circuits and first driver circuits being formed in a first thin film of single crystal silicon that is bonded to a first optically transmissive substrate; forming a second active matrix array of second pixel SOI circuits, second driver circuits and second pixel electrodes, the second pixel circuits and second driver circuits being formed in a second thin film of single crystal silicon that is bonded to a second optically transmissive substrate; aligning the second active matrix array over the first active matrix array to form a stacked display structure; interconnecting the first driver circuit and the second driver circuit with an interconnect extending through the second optically transmissive substrate such that the first driver circuit drives the first pixel SOI circuits and the second driver circuit drives the second pixel SOI circuits; and positioning a first layer of liquid crystal material in a cavity adjacent to by the first active matrix and positioning a second layer of liquid crystal material adjacent to the second active matrix to provide a subtractive color liquid crystal display.
Claim 9
Dependent Claim
36 words
The method of claim 6 further forming a third active matrix array having third pixel circuits and third pixel electrodes, the third active matrix array being formed in a third thin film of single crystal silicon.
Claim 10
Dependent Claim
20 words
The method of claim 7 further comprising positioning a third layer of liquid crystal material adjacent the third active matrix.
Claim 11
Dependent Claim
37 words
The method of claim 7 further comprising forming the first active matrix array with a thin film of single crystal silicon over an insulating substrate and transferring the single crystal material onto the first optially transmissive substrate.
Claim 12
Dependent Claim
22 words
The method of claim 6 further comprising forming an optical interconnect circuit between the first active matrix and the second active matrix.
Claim 13
Independent Claim
229 words
A method of making a liquid crystal subtractive color display comprising: providing a light source; forming a first active matrix array of first pixel circuits, a first SOI driver circuit and first pixel electrodes, the first driver and the first pixel circuits being formed in a first thin film of single crystal silicon that is bonded to a first optically transmissive substrate with an adhesive layer to provide a first display element; forming a second active matrix array of second pixel circuits, a second SOI driver circuit, and second pixel electrodes, the second driver circuit and the second pixel circuits being formed in second thin film of single crystal silicon and bonded to a second optically transmissive substrate with a second adhesive layer to provide a second display element; aligning the second active matrix over the first active matrix array and bonding the first display element to the second display element with a third adhesive layer to form a stacked display structure; interconnecting the first SOI driver circuit and the second SOI driver circuit with an interconnect extending through the second optically transmissive substrate; and positioning a liquid crystal material in a cavity adjacent to the first active matrix and positioning a second layer of liquid crystal material adjacent to the second active matrix to provide a color liquid crystal display that is optically coupled to the light source.
Claim 14
Independent Claim
229 words
A method of making a liquid crystal subtractive color display comprising: providing a light source; forming a first active matrix array of first pixel circuits, a first SOI driver circuit and first pixel electrodes, the first driver and the first pixel circuits being formed in a first thin film of single crystal silicon that is bonded to a first optically transmissive substrate with an adhesive layer to provide a first display element; forming a second active matrix array of second pixel circuits, a second SOI driver circuit, and second pixel electrodes, the second driver circuit and the second pixel circuits being formed in second thin film of single crystal silicon and bonded to a second optically transmissive substrate with a second adhesive layer to provide a second display element; aligning the second active matrix over the first active matrix array and bonding the first display element to the second display element with a third adhesive layer to form a stacked display structure; interconnecting the first SOI driver circuit and the second SOI driver circuit with an interconnect extending through the second optically transmissive substrate; and positioning a liquid crystal material in a cavity adjacent to the first active matrix and positioning a second layer of liquid crystal material adjacent to the second active matrix to provide a color liquid crystal display that is optically coupled to the light source.
Claim 15
Dependent Claim
36 words
The method of claim 11 further forming a third active matrix array having third pixel circuits and third pixel electrodes, the third active matrix array being formed in a third thin film of single crystal silicon.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2002-01-18 | 2002-07-20 | 2003-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2006-01-18 | 2006-07-20 | 2007-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2010-01-18 | 2010-07-20 | 2011-01-19 | $7700.00 | Window Closed / Lapsed |