Patent US5557353A successfully refreshed from Google Patents.
US5557353A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pixel compensated electro-optical display system
Assignee: LUMAVISION DISPLAY Inc
•
Filing: 1994-04-22
•
Granted: 1996-09-17
•
Expires: 2014-04-22
Abstract
Abstract A pixel compensated electro-optical display system utilizing a pixel compensator to correct image problems. The pixel compensator comprises pixels having elongated geometric shapes that compensate for distortions normally occurring in optical systems utilizing one or more reflective surfaces. The pixels are configured so that when the image plane is viewed at a particular angle, the image is substantially corrected without complex optical refiguring. The pixel compensated electro-optical display system of the present invention accordingly minimizes the need to correct the reflected image. The optical system of the present invention finds utility in applications that require a reflected image because of spatial and other constrictions. The optical system of the present invention finds particular application in vehicle "heads up" display systems as well as in virtual reality and total immersion display systems.
Inventors
- 👤 Thomas D. Stahl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 01:03
CPC Classifications
G; G02; G02B; G02B27/00; G02B27/01; G02B27/0101; G02F; G02F1/00; G02F1/01; G02F1/13; G02F1/133; G02F1/1333; G02F1/1343; G02F1/134309; G02F1/134336; G03; G03B; G03B21/00; G03B21/14; G03B21/28; H; H04; H04N; H04N3/00; H04N3/10; H04N3/16; H04N3/22; H04N3/23; H04N3/233; H04N5/00; H04N5/74; H04N5/7475; H04N5/7491; H04N9/00; H04N9/12; H04N9/31; H04N9/3141; H04N9/3147; H04N9/3179; H04N9/3185; G02B2027/011
Claims Analysis
Total Claims: 23
Claim 1
Independent Claim
115 words
A pixel compensated electro-optical display system, said system comprising: a light source; at least one reflective image display plane, said plane comprising a plurality of pixels, each of said pixels having a front surface, said front surface of each of said pixels having a length and a width, said length of said front surface being greater than said width of said front surface, said reflective image display plane being disposed at an acute angle with respect to said light source; a first surface mirror; and at least one projection surface; whereby said at least one reflective image display plane substantially compensates for image distortion between said light source and said at least one projection surface.
Claim 2
Dependent Claim
115 words
A pixel compensated electro-optical display system, said system comprising: a light source; at least one reflective image display plane, said plane comprising a plurality of pixels, each of said pixels having a front surface, said front surface of each of said pixels having a length and a width, said length of said front surface being greater than said width of said front surface, said reflective image display plane being disposed at an acute angle with respect to said light source; a first surface mirror; and at least one projection surface; whereby said at least one reflective image display plane substantially compensates for image distortion between said light source and said at least one projection surface.
Claim 3
Dependent Claim
19 words
The display system of claim 1 wherein said front surface of each of said pixels has a rectangular shape.
Claim 4
Dependent Claim
19 words
The display system of claim 1 wherein said front surface of each of said pixels has a diamond shape.
Claim 5
Dependent Claim
35 words
The display system of claim 1 wherein each of said pixels has a long axis said pixels being aligned so that said long axis of each pixel is parallel with each of the other pixels.
Claim 6
Dependent Claim
13 words
The display system of claim 1 further including a head mounted display unit.
Claim 7
Dependent Claim
13 words
The display system of claim 1 wherein said light source generates columnated light.
Claim 8
Dependent Claim
13 words
The display system of claim 1 wherein said light source generates polarized light.
Claim 9
Dependent Claim
21 words
The display system of claim 1 wherein said system includes a color filter and wherein said light source generates white light.
Claim 10
Dependent Claim
13 words
The display system of claim 1 wherein said light source generates colored light.
Claim 11
Dependent Claim
10 words
The display system of claim 9 further including a polarizer.
Claim 12
Dependent Claim
19 words
The display system of claim 1 wherein said light source is comprised of a plurality of light emitting diodes.
Claim 13
Dependent Claim
19 words
The display system of claim 11 wherein said plurality of light emitting diodes include red, green, and blue diodes.
Claim 14
Dependent Claim
21 words
The display system of claim 1 further including a plurality of dichroic plates and a plurality of said image display planes.
Claim 15
Dependent Claim
14 words
The display system of claim 1 further including a plurality of said projection surfaces.
Claim 16
Dependent Claim
48 words
The display system of claim 14 further including a structure having an internal space, said internal space being of such dimension to permit the entry of the head of a human, said structure having a peripheral wall said plurality of projection surfaces being disposed on said peripheral wall.
Claim 17
Dependent Claim
83 words
A pixel compensated electro-optical display system, said system comprising: a light projection source; a reflective image display plane, said plane comprising a plurality of pixels, each of said pixels having a length and a width, said length being greater than said width, said reflective image display plane being disposed at an acute angle with respect to said light source; and a projection surface; wherein said reflective image display plane substantially compensates for image distortion between said light projection source and said projection surface.
Claim 18
Dependent Claim
83 words
A pixel compensated electro-optical display system, said system comprising: a light projection source; a reflective image display plane, said plane comprising a plurality of pixels, each of said pixels having a length and a width, said length being greater than said width, said reflective image display plane being disposed at an acute angle with respect to said light source; and a projection surface; wherein said reflective image display plane substantially compensates for image distortion between said light projection source and said projection surface.
Claim 19
Dependent Claim
36 words
The display system of claim 16 further including a head mounted display unit, each of said light projection source, said reflective image display plane, and said projection surface being incorporated into said head mounted display unit.
Claim 20
Dependent Claim
79 words
A reflective image display plane for use in an optical system having a light source and a projection surface, said plane comprising: a front imaging surface disposed at an acute angle with respect to said light source for compensating for image distoration between the light source and the projection surface, said front imaging surface comprising a plurality of pixels, each of said pixels having a long axis and a short axis, said pixels being aligned along their long axes.
Claim 21
Dependent Claim
79 words
A reflective image display plane for use in an optical system having a light source and a projection surface, said plane comprising: a front imaging surface disposed at an acute angle with respect to said light source for compensating for image distoration between the light source and the projection surface, said front imaging surface comprising a plurality of pixels, each of said pixels having a long axis and a short axis, said pixels being aligned along their long axes.
Claim 22
Dependent Claim
38 words
The reflective image display plane of claim 18 wherein each of said pixels has at least four sides, at least one of said four sides having a length greater than at least one other of said four sides.
Claim 23
Dependent Claim
21 words
The reflective image display plane of claim 19 wherein the front imaging surface of each of said pixels is rectangularly shaped.
References Cited (Backward Citations)
US5027576A
Cited
US5022750A
Cited
US5024524A
Cited
US5164848A
Cited
US5101279A
Cited
US5150138A
Cited
US5389982A
Cited
US5398086A
Cited
US5359345A
Cited
US5299063A
Cited
US5309169A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1999-09-17 | 2000-03-18 | 2000-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2003-09-17 | 2004-03-18 | 2004-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2007-09-17 | 2008-03-18 | 2008-09-17 | $7700.00 | Window Closed / Lapsed |