US4390810A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semiconductor light-emitting display device
Assignee: Toshiba Corp
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Filing: 1980-06-24
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Granted: 1983-06-28
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Expires: 2000-06-24
Abstract
Abstract A semiconductor light-emitting display device comprising a casing having a display portion, a light-emitting assembly housed in the casing, and a resin layer sealing the gap between the casing and the light-emitting assembly. The casing is provided with a resin reservoir serving to store the resin flowing toward the display portion through the gap. The resin reservoir prevents the flowing resin from reaching the display portion.
Inventors
- 👤 Takeshi Biwa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:09
CPC Classifications
H; H01; H01R; H01R13/00; H01R13/46; H01R13/52; H01R13/5216
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
227 words
A semiconductor light-emitting display device, comprising: a casing having a display portion formed in a bottom wall thereof, side walls defining a predetermined number of corners, and an opening cut in the side opposite to the display portion, said display portion being formed of a transparent material; a light-emitting assembly for emitting light through the display portion, the light-emitting assembly being housed in the casing and including at least one semiconductor light-emitting element provided with a light-emitting pattern; a reflector disposed between the light-emitting assembly and the display portion of the casing for guiding the light emitted from the semiconductor light-emitting element to the display portion; a resin layer sealing the gap between the light-emitting assembly and the casing near the opening for protecting the semiconductor light-emitting element from the external environment; partition means mounted to the bottom wall for isolating a first space including at least one corner of the casing from a second space around said display portion; and a resin reservoir formed by said partition means, the side walls of the casing, and the bottom wall of the casing for storing resin flowing toward said display portion through the corners of the casing when sealing the gap between the light-emitting assembly and the casing with said resin layer whereby flowing resin is prevented from reaching the display portion of the semiconductor light-emitting display device.
Claim 2
Dependent Claim
227 words
A semiconductor light-emitting display device, comprising: a casing having a display portion formed in a bottom wall thereof, side walls defining a predetermined number of corners, and an opening cut in the side opposite to the display portion, said display portion being formed of a transparent material; a light-emitting assembly for emitting light through the display portion, the light-emitting assembly being housed in the casing and including at least one semiconductor light-emitting element provided with a light-emitting pattern; a reflector disposed between the light-emitting assembly and the display portion of the casing for guiding the light emitted from the semiconductor light-emitting element to the display portion; a resin layer sealing the gap between the light-emitting assembly and the casing near the opening for protecting the semiconductor light-emitting element from the external environment; partition means mounted to the bottom wall for isolating a first space including at least one corner of the casing from a second space around said display portion; and a resin reservoir formed by said partition means, the side walls of the casing, and the bottom wall of the casing for storing resin flowing toward said display portion through the corners of the casing when sealing the gap between the light-emitting assembly and the casing with said resin layer whereby flowing resin is prevented from reaching the display portion of the semiconductor light-emitting display device.
Claim 3
Dependent Claim
42 words
The device according to claim 1, wherein the partition means includes partition walls mounted to the the bottom wall, and said resin reservoir is formed by the partition walls, the side walls of the casing, and the bottom wall of the casing.
Claim 4
Dependent Claim
36 words
The device according to claim 2, wherein the casing is rectangular in cross section and the resin reservoir defined by the partition walls and walls of the casing covers at four corner portions of the casing.
Claim 5
Dependent Claim
31 words
The device according to claim 3, wherein the partition means is constituted by two partition walls each involved in forming a single resin reservoir covering two corner portions of the casing.
Claim 6
Dependent Claim
31 words
The device according to claim 3, wherein the partition means is constituted by four partition walls each involved in forming a single resin reservoir covering one corner portion of the casing.
Claim 7
Dependent Claim
25 words
The device according to claim 5, wherein the resin reservoir defined by the partition wall and walls of the casing is triangular in cross section.
Claim 8
Dependent Claim
25 words
The device according to claim 5, wherein the resin reservoir defined by the partition wall and walls of the casing is rectangular in cross section.
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) | 1986-06-27 | 1986-12-27 | 1987-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-06-27 | 1990-12-27 | 1991-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-06-27 | 1994-12-27 | 1995-06-28 | $7700.00 | Window Closed / Lapsed |