US4900981A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flat-shaped display apparatus
Assignee: Panasonic Holdings Corp
•
Filing: 1986-12-19
•
Granted: 1990-02-13
•
Expires: 2006-12-19
Abstract
Abstract In a flat-shaped display apparatus has a face plate, a rear plate, side plates, and necessary electrodes therein, a supporting plate and plural supporting rods which are connected to an edge of the supporting plate at intervals of a certain distance are provided between the face plate and the rear plate. The supporting rods are made of metal and all bonded parts are covered by guide plates so that no adhesive is exposed to the electron beams. Therefore, over-scanning of the electron beams can be made, without the electron beams impinging on the adhesive thereby enabling effective distortion compensation.
Inventors
- 👤 Fumio Yamazaki
- 👤 Kaoru Tomii
- 👤 Hiroshi Miyama
- 👤 Toshifumi Nakatani
- 👤 Kiyoshi Saeki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:28
CPC Classifications
H; H01; H01J; H01J31/00; H01J31/08; H01J31/10; H01J31/12; H01J29/00; H01J29/02; H01J29/028; H01J29/86; H01J31/123; H01J31/125; H01J31/126; H01J2329/00; H01J2329/86; H01J2329/8625; H01J2329/863; H01J2329/864; H01J2329/8645
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
162 words
A display apparatus comprising: a face plate having a phosphor screen on an inner surface thereof, a rear plate provided apart from said face plate in parallel, side plates for forming a vacuum cavity by connecting said face plate and said rear plate with a given space therebetween, electron beam emitting means within said cavity for emitting electron beams, and plural rectangular supporting plates disposed in parallel to each other between said face plate and said rear plate, and substantially perpendicular to said face plate, wherein each respective supporting plate is supported by a plurality of column-shaped supporting rods, one end of each of said supporting rods being bonded by adhesive on an end of each respective supporting plate facing said face plate, said supporting rods being bonded at intervals of a certain distance in a lengthwise direction of each respective supporting plate, the other end of each of said supporting rods being tapered and touching said face plate at predetermined points.
Claim 2
Dependent Claim
162 words
A display apparatus comprising: a face plate having a phosphor screen on an inner surface thereof, a rear plate provided apart from said face plate in parallel, side plates for forming a vacuum cavity by connecting said face plate and said rear plate with a given space therebetween, electron beam emitting means within said cavity for emitting electron beams, and plural rectangular supporting plates disposed in parallel to each other between said face plate and said rear plate, and substantially perpendicular to said face plate, wherein each respective supporting plate is supported by a plurality of column-shaped supporting rods, one end of each of said supporting rods being bonded by adhesive on an end of each respective supporting plate facing said face plate, said supporting rods being bonded at intervals of a certain distance in a lengthwise direction of each respective supporting plate, the other end of each of said supporting rods being tapered and touching said face plate at predetermined points.
Claim 3
Dependent Claim
16 words
A display apparatus in accordance with claim 1, wherein said supporting rods are made of metal.
Claim 4
Dependent Claim
182 words
A display apparatus comprising: a face plate having a phosphor screen on an inner surface thereof, a rear plate provided apart from said face plate in parallel, side plates for forming a vacuum cavity by connecting said face plate and said rear plate with a given space therebetween, electron beam emitting means within said cavity for emitting electron beams, plural rectangular supporting plates disposed in parallel to each other between said face plate and said rear plate, and substantially perpendicular to said face plate, wherein each respective supporting plate is supported by a plurality of column-shaped supporting rods, one end of each of said supporting rods being bonded by adhesive on an end of each respective supporting plate facing said face plate, said supporting rods being bonded at intervals of a certain distance in a lengthwise direction of each respective supporting plate, the other end of each of said supporting rods being tapered and touching said face plate at predetermined points, and guide means respectively disposed on both sides of said supporting plates for guiding said supporting rods and covering said adhesive.
Claim 5
Dependent Claim
182 words
A display apparatus comprising: a face plate having a phosphor screen on an inner surface thereof, a rear plate provided apart from said face plate in parallel, side plates for forming a vacuum cavity by connecting said face plate and said rear plate with a given space therebetween, electron beam emitting means within said cavity for emitting electron beams, plural rectangular supporting plates disposed in parallel to each other between said face plate and said rear plate, and substantially perpendicular to said face plate, wherein each respective supporting plate is supported by a plurality of column-shaped supporting rods, one end of each of said supporting rods being bonded by adhesive on an end of each respective supporting plate facing said face plate, said supporting rods being bonded at intervals of a certain distance in a lengthwise direction of each respective supporting plate, the other end of each of said supporting rods being tapered and touching said face plate at predetermined points, and guide means respectively disposed on both sides of said supporting plates for guiding said supporting rods and covering said adhesive.
Claim 6
Dependent Claim
131 words
A display apparatus comprising: a face plate having a phosphor screen on an inner surface thereof, a rear plate provided apart from said face plate in parallel, side plates for forming a vacuum cavity by connecting said face plate and said rear plate with a given space therebetween, electron beam emitting means within said cavity for emitting electron beams, plural supporting means disposed in parallel to each other between said face plate and said rear plate, and substantially perpendicular to said face plate, for supporting said face plate against atmospheric pressure outside said vacuum cavity, and respective electrode means including one electrode provided apart from respective surfaces of each of said supporting means by a space by using spacer means and adhesive along the paths of each of said electron beams.
Claim 7
Dependent Claim
131 words
A display apparatus comprising: a face plate having a phosphor screen on an inner surface thereof, a rear plate provided apart from said face plate in parallel, side plates for forming a vacuum cavity by connecting said face plate and said rear plate with a given space therebetween, electron beam emitting means within said cavity for emitting electron beams, plural supporting means disposed in parallel to each other between said face plate and said rear plate, and substantially perpendicular to said face plate, for supporting said face plate against atmospheric pressure outside said vacuum cavity, and respective electrode means including one electrode provided apart from respective surfaces of each of said supporting means by a space by using spacer means and adhesive along the paths of each of said electron beams.
Claim 8
Dependent Claim
39 words
A display apparatus in accordance with claim 4, wherein each said electrode means includes a pair of other electrodes, hung over said space between said supporting means and said electrode means, formed on respective surfaces of said supporting means.
Claim 9
Dependent Claim
204 words
A display apparatus comprising: a face plate having a phosphor screen on an inner surface thereof, a rear plate provided apart from said face plate in parallel, side plates for forming a vacuum cavity by connecting said face plate and said rear plate with a given space therebetween, electron beam emitting means within said cavity for emitting electron beams, plural supporting means disposed in parallel to each other between said face plate and said rear plate, and substantially perpendicular to said face plate, for supporting said face plate against atmospheric pressure outside said vacuum cavity, and each supporting means including a plurality of beam deflection electrodes, each beam deflection electrode having almost the same length as each other beam deflection electrode along the paths of each of said electron beams and also having almost the same length as each supporting means in a lengthwise direction thereof, each beam deflection electrode being disposed on a respective surface of each of said supporting means, and one of more than one of said beam deflection electrodes disposed on the same surface of one of said supporting means being bonded to a spacer member which is also bonded to said surface of said one supporting means by adhesive.
Claim 10
Dependent Claim
204 words
A display apparatus comprising: a face plate having a phosphor screen on an inner surface thereof, a rear plate provided apart from said face plate in parallel, side plates for forming a vacuum cavity by connecting said face plate and said rear plate with a given space therebetween, electron beam emitting means within said cavity for emitting electron beams, plural supporting means disposed in parallel to each other between said face plate and said rear plate, and substantially perpendicular to said face plate, for supporting said face plate against atmospheric pressure outside said vacuum cavity, and each supporting means including a plurality of beam deflection electrodes, each beam deflection electrode having almost the same length as each other beam deflection electrode along the paths of each of said electron beams and also having almost the same length as each supporting means in a lengthwise direction thereof, each beam deflection electrode being disposed on a respective surface of each of said supporting means, and one of more than one of said beam deflection electrodes disposed on the same surface of one of said supporting means being bonded to a spacer member which is also bonded to said surface of said one supporting means by adhesive.
Claim 11
Dependent Claim
34 words
A display apparatus in accordance with claim 6, wherein said one beam deflection electrode bonded to said spacer member spatially overlaps other beam deflection electrodes on the same surface of said one supporting means.
Claim 12
Dependent Claim
33 words
A display apparatus in accordance with claim 6, wherein said one beam deflection electrode bonded to said spacer member functions as warp removing means for removing a warp of said one supporting means.
Claim 13
Dependent Claim
36 words
A display apparatus in accordance with claim 6, wherein said spacer member contacts an insulative part of said one beam deflection electrode bonded to said spacer member and an insulative part of said one supporting means.
Claim 14
Dependent Claim
228 words
A display apparatus comprising: a face plate having a phosphor screen on an inner surface thereof, a rear plate provided apart from said face plate in parallel, side plates for forming a vacuum cavity by connecting said face plate and said rear plate with a given space therebetween, electron beam emitting means within said cavity for emitting electron beams, plural rectangular supporting plates disposed in parallel to each other between said face plate and said rear plate, and substantially perpendicular to said face plate, wherein each respective supporting plate is supported by a plurality of column-shaped supporting rods, one end of each of said supporting rods being bonded by adhesive on an end of each respective supporting plate facing said face plate, said supporting rods being bonded at intervals of a certain distance in a lengthwise direction of each respective supporting plate, the other end of each of said supporting rods being tapered and touching said face plate at predetermined points, and each supporting plate including a plurality of beam deflection electrodes, each beam deflection electrode having almost the same length as each other beam deflection electrode along the paths of each of said electron beams and also having almost the same length as each supporting plate in a lengthwise direction thereof, each beam deflection electrode being disposed on a respective surface of each of said supporting plates.
Claim 15
Dependent Claim
228 words
A display apparatus comprising: a face plate having a phosphor screen on an inner surface thereof, a rear plate provided apart from said face plate in parallel, side plates for forming a vacuum cavity by connecting said face plate and said rear plate with a given space therebetween, electron beam emitting means within said cavity for emitting electron beams, plural rectangular supporting plates disposed in parallel to each other between said face plate and said rear plate, and substantially perpendicular to said face plate, wherein each respective supporting plate is supported by a plurality of column-shaped supporting rods, one end of each of said supporting rods being bonded by adhesive on an end of each respective supporting plate facing said face plate, said supporting rods being bonded at intervals of a certain distance in a lengthwise direction of each respective supporting plate, the other end of each of said supporting rods being tapered and touching said face plate at predetermined points, and each supporting plate including a plurality of beam deflection electrodes, each beam deflection electrode having almost the same length as each other beam deflection electrode along the paths of each of said electron beams and also having almost the same length as each supporting plate in a lengthwise direction thereof, each beam deflection electrode being disposed on a respective surface of each of said supporting plates.
Claim 16
Dependent Claim
270 words
A display apparatus comprising: a face plate having a phosphor screen on an inner surface thereof, a rear plate provided apart from said face plate in parallel, side plates for forming a vacuum cavity by connecting said face plate and said rear plate with a given space therebetween, electron beam emitting means within said cavity for emitting electron beams, plural rectangular supporting plates disposed in parallel to each other between said face plate and said rear plate, and substantially perpendicular to said face plate, wherein each respective supporting plate is supported by a plurality of column-shaped supporting rods, one end of each of said supporting rods being bonded by adhesive on an end of each respective supporting plate facing said face plate, said supporting rods being bonded at intervals of a certain distance in a lengthwise direction of each respective supporting plate, the other end of each of said supporting rods being tapered and touching said face plate at predetermined points, and each supporting plate including a plurality of beam deflection electrodes, each beam deflection electrode having almost the same length as each other beam deflection electrode along the paths of each of said electron beams and also having almost the same length as each supporting plate in a lengthwise direction thereof, each beam deflection electrode being disposed on a respective surface of each of said supporting plates, and one of more than one of said beam deflection electrodes disposed on the same surface of one of said supporting plates being bonded to a spacer member which is also bonded to said surface of said one supporting plate by adhesive.
Claim 17
Dependent Claim
270 words
A display apparatus comprising: a face plate having a phosphor screen on an inner surface thereof, a rear plate provided apart from said face plate in parallel, side plates for forming a vacuum cavity by connecting said face plate and said rear plate with a given space therebetween, electron beam emitting means within said cavity for emitting electron beams, plural rectangular supporting plates disposed in parallel to each other between said face plate and said rear plate, and substantially perpendicular to said face plate, wherein each respective supporting plate is supported by a plurality of column-shaped supporting rods, one end of each of said supporting rods being bonded by adhesive on an end of each respective supporting plate facing said face plate, said supporting rods being bonded at intervals of a certain distance in a lengthwise direction of each respective supporting plate, the other end of each of said supporting rods being tapered and touching said face plate at predetermined points, and each supporting plate including a plurality of beam deflection electrodes, each beam deflection electrode having almost the same length as each other beam deflection electrode along the paths of each of said electron beams and also having almost the same length as each supporting plate in a lengthwise direction thereof, each beam deflection electrode being disposed on a respective surface of each of said supporting plates, and one of more than one of said beam deflection electrodes disposed on the same surface of one of said supporting plates being bonded to a spacer member which is also bonded to said surface of said one supporting plate by adhesive.
Claim 18
Dependent Claim
34 words
A display apparatus in accordance with claim 11, wherein said one beam deflection electrode bonded to said spacer member spatially overlaps other beam deflection electrodes on the same surface of said one supporting plate.
Claim 19
Dependent Claim
33 words
A display apparatus in accordance with claim 11, wherein said one beam deflection electrode bonded to said spacer member functions as warp removing means for removing a warp of said one supporting plate.
Claim 20
Dependent Claim
36 words
A display apparatus in accordance with claim 11, wherein said spacer member contacts an insulative part of said one beam deflection electrode bonded to said spacer member and an insulative part of said one supporting plate.
References Cited (Backward Citations)
US3935500A
Cited
JPS53141571A
Cited
US4145633A
Cited
US4325489A
Cited
US4451759A
Cited
US4525653A
Cited
US4752721A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-02-12 | 1993-08-14 | 1994-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-02-12 | 1997-08-14 | 1998-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-02-12 | 2001-08-14 | 2002-02-13 | $7700.00 | Window Closed / Lapsed |