GB1166442A - Bulb-Lit Panels - Google Patents
Bulb-Lit PanelsInfo
- Publication number
- GB1166442A GB1166442A GB543966A GB543966A GB1166442A GB 1166442 A GB1166442 A GB 1166442A GB 543966 A GB543966 A GB 543966A GB 543966 A GB543966 A GB 543966A GB 1166442 A GB1166442 A GB 1166442A
- Authority
- GB
- United Kingdom
- Prior art keywords
- base
- recesses
- encapsulating material
- bulb
- bulbs
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B15/00—Supervisory desks or panels for centralised control or display
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F13/00—Illuminated signs; Luminous advertising
- G09F13/18—Edge-illuminated signs
- G09F2013/1804—Achieving homogeneous illumination
- G09F2013/1831—Achieving homogeneous illumination using more than one light source
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Abstract
1,166,442. Indicator lamps. ENGLISH ELECTRIC CO. Ltd. 6 Feb., 1967 [8 Feb., 1966], No. 5439/66. Heading F4R. An illuminated panel comprises a base member 10 containing one or more electric lamp bulbs 14 encapsulated in translucent material 15. The base 10 is preferably made of rigid transparent material carrying a front panel 11 bearing indicia, and the bulbs are located in recesses 21, 22 in the back of the base, which may be covered with a reflecting layer 20 of white paint and a further layer 23 of the encapsulating material. The bulb leads 14A are attached to a printed circuit 24 which may be applied to the back of the layer 20. The encapsulating material is preferably a plastic and may be moulded around the bulbs before or after they are placed in the recesses. Either the encapsulating material or the base may be coloured. The recesses may contain more than one bulb and may extend right through the base, in which case the latter may be opaque. In an alternative embodiment the recesses are formed in the front of the base 10 and the printed circuit, which may be covered with encapsulating material, is situated between the base and the front panel 11.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB543966A GB1166442A (en) | 1966-02-08 | 1966-02-08 | Bulb-Lit Panels |
FR92739A FR1514425A (en) | 1966-02-08 | 1967-01-27 | Bulb illuminated panel |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB543966A GB1166442A (en) | 1966-02-08 | 1966-02-08 | Bulb-Lit Panels |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1166442A true GB1166442A (en) | 1969-10-08 |
Family
ID=9796232
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB543966A Expired GB1166442A (en) | 1966-02-08 | 1966-02-08 | Bulb-Lit Panels |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR1514425A (en) |
GB (1) | GB1166442A (en) |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2529286A1 (en) * | 1975-05-09 | 1976-11-18 | Sutter Aldo | LUMINAIRE WITH ONE OR MORE LIGHT SOURCES AND THEIR USE |
DE2531968A1 (en) * | 1975-07-17 | 1977-02-03 | Stahl Niederlassung Kuenzelsau | Explosion proofed lighting unit with protected interior - has solid state light source and housing filled with cast resin material |
JPS5449189U (en) * | 1974-07-11 | 1979-04-05 | ||
DE3147113A1 (en) * | 1981-11-27 | 1983-06-01 | Siegfried 8000 München Saumweber | Double plate having luminous elements |
GB2144842A (en) * | 1983-08-12 | 1985-03-13 | Irwin Measuring Tool | Illuminated instruments |
DE3602819A1 (en) * | 1985-01-30 | 1986-07-31 | Toshiba Kawasaki Kk | DISPLAY PANEL LIGHTING DEVICE |
US4603496A (en) * | 1985-02-04 | 1986-08-05 | Adaptive Micro Systems, Inc. | Electronic display with lens matrix |
DE3723073A1 (en) * | 1987-07-11 | 1989-01-19 | Loewe Opta Gmbh | Display for alphanumeric characters and symbols |
DE3833315A1 (en) * | 1988-09-30 | 1990-04-05 | Siemens Ag | Light-emitting diode (LED) display device |
WO1990013885A1 (en) * | 1989-05-02 | 1990-11-15 | Lydia Wustlich Vertrieb Elektronischer Bauteile | Surface display for illuminating background surfaces |
US5440460A (en) * | 1992-10-16 | 1995-08-08 | Technor As | Light ledge for a level glass |
DE102021131390A1 (en) | 2021-11-30 | 2023-06-01 | Ambright GmbH | LIGHTING DEVICE |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2289842A1 (en) * | 1974-10-28 | 1976-05-28 | Int Vibration Engineer | LIGHTING DEVICE |
DE4023281A1 (en) * | 1990-07-21 | 1992-01-23 | Miele & Cie | Lighting for control panels of domestic electric appliances |
-
1966
- 1966-02-08 GB GB543966A patent/GB1166442A/en not_active Expired
-
1967
- 1967-01-27 FR FR92739A patent/FR1514425A/en not_active Expired
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5449189U (en) * | 1974-07-11 | 1979-04-05 | ||
DE2529286A1 (en) * | 1975-05-09 | 1976-11-18 | Sutter Aldo | LUMINAIRE WITH ONE OR MORE LIGHT SOURCES AND THEIR USE |
DE2531968A1 (en) * | 1975-07-17 | 1977-02-03 | Stahl Niederlassung Kuenzelsau | Explosion proofed lighting unit with protected interior - has solid state light source and housing filled with cast resin material |
DE3147113A1 (en) * | 1981-11-27 | 1983-06-01 | Siegfried 8000 München Saumweber | Double plate having luminous elements |
GB2144842A (en) * | 1983-08-12 | 1985-03-13 | Irwin Measuring Tool | Illuminated instruments |
US4729185A (en) * | 1985-01-30 | 1988-03-08 | Kabushiki Kaisha Toshiba | Display panel illumination device |
DE3602819A1 (en) * | 1985-01-30 | 1986-07-31 | Toshiba Kawasaki Kk | DISPLAY PANEL LIGHTING DEVICE |
US4603496A (en) * | 1985-02-04 | 1986-08-05 | Adaptive Micro Systems, Inc. | Electronic display with lens matrix |
DE3723073A1 (en) * | 1987-07-11 | 1989-01-19 | Loewe Opta Gmbh | Display for alphanumeric characters and symbols |
DE3833315A1 (en) * | 1988-09-30 | 1990-04-05 | Siemens Ag | Light-emitting diode (LED) display device |
WO1990013885A1 (en) * | 1989-05-02 | 1990-11-15 | Lydia Wustlich Vertrieb Elektronischer Bauteile | Surface display for illuminating background surfaces |
US5440460A (en) * | 1992-10-16 | 1995-08-08 | Technor As | Light ledge for a level glass |
DE102021131390A1 (en) | 2021-11-30 | 2023-06-01 | Ambright GmbH | LIGHTING DEVICE |
Also Published As
Publication number | Publication date |
---|---|
FR1514425A (en) | 1968-02-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PLNP | Patent lapsed through nonpayment of renewal fees |