US5719752A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid crystal apparatus
Assignee: Canon Inc
•
Filing: 1996-02-05
•
Granted: 1998-02-17
•
Expires: 2016-02-05
Abstract
Abstract A liquid crystal apparatus is constituted by a display device for data display, a drive circuit unit for driving the display device, a unit substrate for supplying electric signals to the drive circuit unit, and a tape-form film carrier comprising an insulating substrate and a conductor covered with the insulating substrate for connecting the display device, the drive circuit unit and the unit substrate. A part of the film carrier is provided with a blank portion where the insulating substrate is locally removed to absorb a stress applied to the film carrier. A unit substrate constituting the drive circuit unit is screwed to a supporting member so as to allow a movement thereof relative to the supporting member by use of a space regulating means surrounding the screw shank.
Inventors
- 👤 Hideo Mori
- 👤 Hisao Tajima
- 👤 Hiroshi Takabayashi
- 👤 Toshiaki Itazawa
- 👤 Masanori Takahashi
- 👤 Kenji Niibori
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:08
CPC Classifications
H; H05; H05K; H05K3/00; H05K3/0058; G; G02; G02F; G02F1/00; G02F1/01; G02F1/13; G02F1/133; G02F1/1333; G02F1/1345; G02F1/13452; H05K1/00; H05K1/02; H05K1/0277; H05K1/028; H05K2201/00; H05K2201/01; H05K2201/0104; H05K2201/0133; H05K2201/03; H05K2201/0332; H05K2201/0388; H05K2201/0394; H05K2201/09; H05K2201/09009; H05K2201/09063; H05K2201/09209; H05K2201/09218; H05K2201/09281; H05K2201/10; H05K2201/10007; H05K2201/10128; H05K2201/10136; H05K2201/10227; H05K2201/10409; H05K2201/10431; H05K2201/10598; H05K2201/10613; H05K2201/10621; H05K2201/10681; H05K3/36; H05K3/361
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
171 words
A liquid crystal apparatus, comprising: a display device for data display, a unit substrate for supplying electric signals, and a film carrier loaded with a drive IC for driving the display device and connecting the display device and the unit substrate, wherein said unit substrate has a planar extension and a fixing hole and is fastened to a supporting member, and a screw having a head and a shank inserted through the fixing hole, the shank having a smaller diameter than the diameter of the fixing hole, wherein a space regulating means is disposed between the screw head and the supporting member so as to leave an allowance between the screw head and the unit substrate, thereby allowing movement of the unit substrate relative to the supporting member and the screw in a direction parallel to the planar extension thereof, and wherein the screw head suppresses movement of the unit substrate relative to the supporting member and the screw in a direction perpendicular to the planar extension of the unit substrate.
Claim 2
Dependent Claim
171 words
A liquid crystal apparatus, comprising: a display device for data display, a unit substrate for supplying electric signals, and a film carrier loaded with a drive IC for driving the display device and connecting the display device and the unit substrate, wherein said unit substrate has a planar extension and a fixing hole and is fastened to a supporting member, and a screw having a head and a shank inserted through the fixing hole, the shank having a smaller diameter than the diameter of the fixing hole, wherein a space regulating means is disposed between the screw head and the supporting member so as to leave an allowance between the screw head and the unit substrate, thereby allowing movement of the unit substrate relative to the supporting member and the screw in a direction parallel to the planar extension thereof, and wherein the screw head suppresses movement of the unit substrate relative to the supporting member and the screw in a direction perpendicular to the planar extension of the unit substrate.
Claim 3
Dependent Claim
59 words
An apparatus according to claim 1, wherein said space regulating means comprises a hollow cylindrical insert metal inserted into the supporting member so as to allow tightening of the screw thereinto, said insert metal having a height slightly larger than the thickness of the unit substrate and having an outer diameter smaller than the diameter of the fixing hole.
Claim 4
Dependent Claim
50 words
An apparatus according to claim 1, wherein said screw has a thread portion having threads and a shank disposed between the thread portion and the head and having a diameter which is smaller than the diameter of the fixing hole but substantially larger than the diameter of the thread portion.
Claim 5
Dependent Claim
62 words
An apparatus according to claim 1, wherein a washer having an outer diameter larger than the diameter of the fixing hole of the unit substrate is disposed between the screw head and the unit substrate so as to assist the screw head to suppress the movement of the unit substrate in a direction perpendicular to the planar extension of the unit substrate.
Claim 6
Dependent Claim
49 words
An apparatus according to claim 1, wherein said screw head has an outer diameter larger than the diameter of the fixing hole of the unit substrate and functions to suppress the movement of the unit substrate in a direction perpendicular to the planar extension of the unit substrate itself.
Claim 7
Dependent Claim
151 words
A liquid crystal apparatus, comprising: a display device for data display, a unit substrate for supplying electric signals, and a film carrier loaded with a drive IC for driving the display device and connecting the display device and the unit substrate, wherein said unit substrate has a fixing hole and is fastened to a supporting member with a screw having a head and a shank inserted through the fixing hole, wherein a space regulating means is disposed between the screw head and the supporting member so as to leave an allowance between the screw head and the unit substrate, thereby allowing movement of the unit substrate relative to the supporting member, and wherein said space regulating means comprises a boss provided to the supporting member and having a height which is slightly larger than the thickness of the unit substrate and a diameter smaller than the diameter of the fixing hole.
Claim 8
Dependent Claim
151 words
A liquid crystal apparatus, comprising: a display device for data display, a unit substrate for supplying electric signals, and a film carrier loaded with a drive IC for driving the display device and connecting the display device and the unit substrate, wherein said unit substrate has a fixing hole and is fastened to a supporting member with a screw having a head and a shank inserted through the fixing hole, wherein a space regulating means is disposed between the screw head and the supporting member so as to leave an allowance between the screw head and the unit substrate, thereby allowing movement of the unit substrate relative to the supporting member, and wherein said space regulating means comprises a boss provided to the supporting member and having a height which is slightly larger than the thickness of the unit substrate and a diameter smaller than the diameter of the fixing hole.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2001-02-16 | 2001-08-18 | 2002-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2005-02-16 | 2005-08-18 | 2006-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2009-02-16 | 2009-08-18 | 2010-02-17 | $7700.00 | Window Closed / Lapsed |