US6419306B2
Expired / Lapsed
US
⏱️ 0.0 years remaining
Illuminating plate for car
Assignee: Toyoda Gosei Co Ltd
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Filing: 2000-12-11
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Granted: 2002-07-16
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Expires: 2020-12-11
Abstract
Abstract An illuminating plate for a car has a light guide plate; a cover provided with at least one light transmitting window, and disposed on the light guide plate; and light reflecting layer formed on the rear surface of the light guide plate. The light reflecting layer is formed to cover an area where the light is projected onto the rear surface of the light guide plate through the corresponding light transmitting window, and the light reflecting layer being slightly larger than the area.
Inventors
- 👤 Yoshio Sano
- 👤 Osamu Yamanaka
- 👤 Yasumasa Tatewaki
- 👤 Minoru Shibata
- 👤 Katuhiro Katagiri
- 👤 Kazumichi Shigeno
- 👤 Hiroshi Suyama
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:36
CPC Classifications
B; B60; B60R; B60R13/00; B60Q; B60Q1/00; B60Q1/26; B60Q1/32; B60Q1/325; B60R13/02; G; G09; G09F; G09F13/00; G09F13/18; B60R2013/0287; B60R13/04; B60R2013/046; G09F13/04; G09F13/0418; G09F13/044
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
122 words
An illuminating plate for a car, comprising: a light guide plate; a light source which is located on a side end of said light guide plate; a cover disposed on a front surface of said light guide plate and provided with at least one light transmitting window; and at least one light reflecting layer formed on a rear surface of said light guide plate so as to cover at least a corresponding area where said light transmitting window is projected onto said rear surface, and said light reflecting layer not covering all over the rear surface of said light guide plate, wherein said light reflecting layer has a shape which is schematically similar to a predetermined shape of said light transmitting window.
Claim 2
Dependent Claim
122 words
An illuminating plate for a car, comprising: a light guide plate; a light source which is located on a side end of said light guide plate; a cover disposed on a front surface of said light guide plate and provided with at least one light transmitting window; and at least one light reflecting layer formed on a rear surface of said light guide plate so as to cover at least a corresponding area where said light transmitting window is projected onto said rear surface, and said light reflecting layer not covering all over the rear surface of said light guide plate, wherein said light reflecting layer has a shape which is schematically similar to a predetermined shape of said light transmitting window.
Claim 3
Dependent Claim
27 words
An illuminating plate according to claim 1 , wherein said illuminating plate is a scuff plate to be disposed in a side step portion of a car.
Claim 4
Dependent Claim
18 words
An illuminating plate according to claim 1 , wherein said light reflecting layer is formed by white printing.
Claim 5
Dependent Claim
17 words
An illuminating plate according to claim 1 , wherein said light source is constituted by an LED.
Claim 6
Dependent Claim
121 words
An illuminating plate for a car, comprising: a light guide plate; a light source which is located on a side end of said light guide plate; a cover disposed on a front surface of said light guide plate and provided with light transmitting window; and at least one light reflecting layer formed on a rear surface of said light guide plate so as to cover at least a corresponding area where said light transmitting window is projected onto said rear surface, and said light reflecting layer not covering all over the rear surface of said light guide plate; wherein at least one of said front surface and said rear surface of said light guide plate is subjected to half mirror treatment.
Claim 7
Dependent Claim
121 words
An illuminating plate for a car, comprising: a light guide plate; a light source which is located on a side end of said light guide plate; a cover disposed on a front surface of said light guide plate and provided with light transmitting window; and at least one light reflecting layer formed on a rear surface of said light guide plate so as to cover at least a corresponding area where said light transmitting window is projected onto said rear surface, and said light reflecting layer not covering all over the rear surface of said light guide plate; wherein at least one of said front surface and said rear surface of said light guide plate is subjected to half mirror treatment.
Claim 8
Dependent Claim
29 words
An illuminating plate according to claim 5 , wherein said light reflecting layer has a shape which is schematically similar to a predetermined shape of said light transmitting window.
Claim 9
Dependent Claim
20 words
An illuminating plate according to claim 5 , wherein each of said light reflecting layer is formed by white printing.
Claim 10
Dependent Claim
17 words
An illuminating plate according to claim 5 , wherein said light source is constituted by an LED.
Claim 11
Dependent Claim
27 words
An illuminating plate according to claim 5 , wherein said illuminating plate is a scuff plate to be disposed in a side step portion of a car.
Claim 12
Dependent Claim
23 words
An illuminating plate according to claim 5 , wherein said half mirror treatment comprising: a metal layer disposed on said light guide plate.
Claim 13
Dependent Claim
26 words
An illuminating plate according to claim 5 , wherein said half mirror treatment comprising: a metal layer disposed between said guide plate and said reflecting layer.
References Cited (Backward Citations)
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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) | 2005-07-15 | 2006-01-14 | 2006-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2009-07-15 | 2010-01-14 | 2010-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2013-07-15 | 2014-01-14 | 2014-07-16 | $7700.00 | Window Closed / Lapsed |