ITMI922220A0 - BACKLIT INDICATOR DEVICE AND PROCEDURE FOR CREATING A DIFFUSER FILM FOR THIS INDICATOR DEVICE - Google Patents
BACKLIT INDICATOR DEVICE AND PROCEDURE FOR CREATING A DIFFUSER FILM FOR THIS INDICATOR DEVICEInfo
- Publication number
- ITMI922220A0 ITMI922220A0 IT92MI2220A ITMI922220A ITMI922220A0 IT MI922220 A0 ITMI922220 A0 IT MI922220A0 IT 92MI2220 A IT92MI2220 A IT 92MI2220A IT MI922220 A ITMI922220 A IT MI922220A IT MI922220 A0 ITMI922220 A0 IT MI922220A0
- Authority
- IT
- Italy
- Prior art keywords
- indicator device
- creating
- procedure
- backlit
- diffuser film
- Prior art date
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
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
- G02B6/0051—Diffusing sheet or layer
-
- 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
- G02B6/0065—Manufacturing aspects; Material aspects
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Optical Elements Other Than Lenses (AREA)
- Liquid Crystal (AREA)
- Light Guides In General And Applications Therefor (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4135506A DE4135506C2 (en) | 1991-10-28 | 1991-10-28 | Backlit display device and method for manufacturing a diffusing sheet for such a display device |
Publications (3)
Publication Number | Publication Date |
---|---|
ITMI922220A0 true ITMI922220A0 (en) | 1992-09-25 |
ITMI922220A1 ITMI922220A1 (en) | 1994-03-25 |
IT1255835B IT1255835B (en) | 1995-11-17 |
Family
ID=6443588
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ITMI922220A IT1255835B (en) | 1991-10-28 | 1992-09-25 | INDICATOR DEVICE ILLUMINATED IN BACKLIGHT AND PROCEDURE FOR THE REALIZATION OF A DIFFUSER FILM FOR SUCH INDICATOR DEVICE |
Country Status (7)
Country | Link |
---|---|
JP (1) | JPH0675223A (en) |
CH (1) | CH686463A5 (en) |
DE (1) | DE4135506C2 (en) |
FR (1) | FR2683071A1 (en) |
GB (1) | GB2261100B (en) |
IT (1) | IT1255835B (en) |
SE (1) | SE9202761L (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2287553A (en) * | 1994-03-10 | 1995-09-20 | Sharp Kk | A method of manufacturing a diffuser |
DE19536825A1 (en) * | 1995-09-20 | 1997-03-27 | Dsd Dynamisch Statische Displa | Brighter, lower-cost optical display unit for e.g. traffic warnings |
DE10250675A1 (en) * | 2002-10-31 | 2004-05-19 | Hella Kg Hueck & Co. | Display unit, especially for motor vehicles, has illumination element with diffusing coating that is joined to smoked glass coating over their areas |
JP2004221254A (en) * | 2003-01-14 | 2004-08-05 | Ran Technical Service Kk | Apparatus and method of pasting substrates |
DE202005005306U1 (en) * | 2005-04-04 | 2006-08-10 | Aeg Gesellschaft für Moderne Informationssysteme mbH | Transreflective LCD device, has diffusing panel arranged behind LCD-unit, LED arranged in border area surrounding panel and unit, and light reflecting device having reflector concavely curved from LED to reflect light to panel/unit |
JP7079333B2 (en) * | 2018-01-10 | 2022-06-01 | コーニンクレッカ フィリップス エヌ ヴェ | Laser-enhanced optics |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4206501A (en) * | 1978-06-12 | 1980-06-03 | Motorola, Inc. | Apparatus and methods for back illuminating a display surface |
US4267489A (en) * | 1978-12-01 | 1981-05-12 | Ohno Research And Development Laboratories Company Limited | Thin schaukasten |
DE2951207A1 (en) * | 1978-12-26 | 1980-07-10 | Canon Kk | METHOD FOR THE OPTICAL PRODUCTION OF A SPREADING PLATE |
US4229783A (en) * | 1979-03-12 | 1980-10-21 | Timex Corporation | Backlight for electrooptic display |
DE2946235C3 (en) * | 1979-11-16 | 1982-04-08 | Dr. Johannes Heidenhain Gmbh, 8225 Traunreut | Method for producing an exposure mask for producing matt-scattering structures in addition to opaque and / or transparent structures |
DE3145127C3 (en) * | 1981-03-13 | 1996-08-01 | Bosch Gmbh Robert | Method for producing a film for a device for the gradient-free illumination of passive display devices |
US4616295A (en) * | 1984-07-03 | 1986-10-07 | Hewlett-Packard Company | Apparatus for mounting and illuminating liquid crystal displays |
JPS63309918A (en) * | 1988-04-25 | 1988-12-19 | Tatsuji Mizobe | Back light device |
JP2595067B2 (en) * | 1988-08-18 | 1997-03-26 | 東ソー株式会社 | Backlight for LCD panel |
JP2620981B2 (en) * | 1989-09-30 | 1997-06-18 | 株式会社 明拓システム | Edge light panel for LCD backlight |
JP3086325B2 (en) * | 1992-05-26 | 2000-09-11 | 沖電気工業株式会社 | Method for measuring IV characteristics of field effect transistor |
-
1991
- 1991-10-28 DE DE4135506A patent/DE4135506C2/en not_active Expired - Fee Related
-
1992
- 1992-08-28 CH CH267792A patent/CH686463A5/en not_active IP Right Cessation
- 1992-09-24 SE SE9202761A patent/SE9202761L/en not_active Application Discontinuation
- 1992-09-25 IT ITMI922220A patent/IT1255835B/en active IP Right Grant
- 1992-10-05 GB GB9220928A patent/GB2261100B/en not_active Expired - Fee Related
- 1992-10-26 FR FR9212753A patent/FR2683071A1/en active Granted
- 1992-10-27 JP JP4289035A patent/JPH0675223A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
SE9202761D0 (en) | 1992-09-24 |
GB2261100B (en) | 1995-10-04 |
DE4135506C2 (en) | 1994-06-16 |
GB2261100A (en) | 1993-05-05 |
DE4135506A1 (en) | 1993-04-29 |
GB9220928D0 (en) | 1992-11-18 |
FR2683071A1 (en) | 1993-04-30 |
JPH0675223A (en) | 1994-03-18 |
CH686463A5 (en) | 1996-03-29 |
FR2683071B1 (en) | 1995-01-27 |
ITMI922220A1 (en) | 1994-03-25 |
SE9202761L (en) | 1993-04-29 |
IT1255835B (en) | 1995-11-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted | ||
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19970930 |