FR2683071A1 - Dispositif d'affichage retroeclaire, notamment afficheur a cristaux liquides retroeclaire, et procede de fabrication d'une feuille diffusante pour un tel dispositif. - Google Patents
Dispositif d'affichage retroeclaire, notamment afficheur a cristaux liquides retroeclaire, et procede de fabrication d'une feuille diffusante pour un tel dispositif. Download PDFInfo
- Publication number
- FR2683071A1 FR2683071A1 FR9212753A FR9212753A FR2683071A1 FR 2683071 A1 FR2683071 A1 FR 2683071A1 FR 9212753 A FR9212753 A FR 9212753A FR 9212753 A FR9212753 A FR 9212753A FR 2683071 A1 FR2683071 A1 FR 2683071A1
- Authority
- FR
- France
- Prior art keywords
- sheet
- diffusing
- display device
- light
- transparent
- 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.)
- Granted
Links
- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title claims description 19
- 238000004519 manufacturing process Methods 0.000 title claims description 11
- 238000009826 distribution Methods 0.000 claims abstract description 15
- 238000009304 pastoral farming Methods 0.000 claims abstract description 4
- 230000002745 absorbent Effects 0.000 claims description 17
- 239000002250 absorbent Substances 0.000 claims description 17
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- 230000005855 radiation Effects 0.000 claims description 3
- 238000005286 illumination Methods 0.000 abstract description 12
- 230000000694 effects Effects 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 5
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 5
- 239000004926 polymethyl methacrylate Substances 0.000 description 5
- 229910052709 silver Inorganic materials 0.000 description 5
- 239000004332 silver Substances 0.000 description 5
- 230000007423 decrease Effects 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- 238000000149 argon plasma sintering Methods 0.000 description 2
- 238000002508 contact lithography Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000386 microscopy Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000004584 weight gain Effects 0.000 description 1
- 235000019786 weight gain Nutrition 0.000 description 1
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 (de) | 1991-10-28 | 1991-10-28 | Hintergrundbeleuchtete Anzeigevorrichtung und Verfahren zur Herstellung einer Streufolie für eine solche Anzeigevorrichtung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2683071A1 true FR2683071A1 (fr) | 1993-04-30 |
| FR2683071B1 FR2683071B1 (enrdf_load_stackoverflow) | 1995-01-27 |
Family
ID=6443588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR9212753A Granted FR2683071A1 (fr) | 1991-10-28 | 1992-10-26 | Dispositif d'affichage retroeclaire, notamment afficheur a cristaux liquides retroeclaire, et procede de fabrication d'une feuille diffusante pour un tel dispositif. |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPH0675223A (enrdf_load_stackoverflow) |
| CH (1) | CH686463A5 (enrdf_load_stackoverflow) |
| DE (1) | DE4135506C2 (enrdf_load_stackoverflow) |
| FR (1) | FR2683071A1 (enrdf_load_stackoverflow) |
| GB (1) | GB2261100B (enrdf_load_stackoverflow) |
| IT (1) | IT1255835B (enrdf_load_stackoverflow) |
| SE (1) | SE9202761L (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11406481B2 (en) * | 2018-01-10 | 2022-08-09 | Koninklijke Philips N.V. | Laser-enhanced optical element |
Families Citing this family (5)
| 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 (de) * | 1995-09-20 | 1997-03-27 | Dsd Dynamisch Statische Displa | Lichtsteuer-Anzeigevorrichtung für transflektiven Betrieb |
| DE10250675A1 (de) * | 2002-10-31 | 2004-05-19 | Hella Kg Hueck & Co. | Anzeigeneinheit, isbesondere für Kraftfahrzeuge |
| JP2004221254A (ja) * | 2003-01-14 | 2004-08-05 | Ran Technical Service Kk | 基板の貼り合わせ装置及び貼り合わせ方法 |
| DE202005005306U1 (de) * | 2005-04-04 | 2006-08-10 | Aeg Gesellschaft für Moderne Informationssysteme mbH | Flüssigkristallanzeigeeinrichtung sowie Flüssigkristallanzeigeanordnung mit einer Mehrzahl von solchen Flüssigkristallanzeigeeinrichtungen |
Citations (6)
| 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 |
| GB2161309A (en) * | 1984-07-03 | 1986-01-08 | Hewlett Packard Co | Apparatus for illuminating a liquid crystal display |
| JPS63309918A (ja) * | 1988-04-25 | 1988-12-19 | Tatsuji Mizobe | バックライト装置 |
| EP0355064A2 (en) * | 1988-08-18 | 1990-02-21 | Tosoh Corporation | Back lighting device for a liquid crystal panel |
| FR2652667A1 (fr) * | 1989-09-30 | 1991-04-05 | Meitaku Syst Kk | Panneau a source lumineuse superficielle. |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2951207A1 (de) * | 1978-12-26 | 1980-07-10 | Canon Kk | Verfahren zur optischen herstellung einer streuplatte |
| US4229783A (en) * | 1979-03-12 | 1980-10-21 | Timex Corporation | Backlight for electrooptic display |
| DE2946235C3 (de) * | 1979-11-16 | 1982-04-08 | Dr. Johannes Heidenhain Gmbh, 8225 Traunreut | Verfahren zur Erzeugung einer Belichtungsmaske zur Herstellung von mattstreuenden Strukturen neben opaken und/oder transparenten Strukturen |
| DE3145127C3 (de) * | 1981-03-13 | 1996-08-01 | Bosch Gmbh Robert | Verfahren zur Herstellung einer Folie für eine Vorrichtung zur gradientenfreien Ausleuchtung von passiven Anzeigevorrichtungen |
| JP3086325B2 (ja) * | 1992-05-26 | 2000-09-11 | 沖電気工業株式会社 | 電界効果トランジスタのｉ−ｖ特性の測定方法 |
-
1991
- 1991-10-28 DE DE4135506A patent/DE4135506C2/de not_active Expired - Fee Related
-
1992
- 1992-08-28 CH CH267792A patent/CH686463A5/de not_active IP Right Cessation
- 1992-09-24 SE SE9202761A patent/SE9202761L/ not_active Application Discontinuation
- 1992-09-25 IT ITMI922220A patent/IT1255835B/it active IP Right Grant
- 1992-10-05 GB GB9220928A patent/GB2261100B/en not_active Expired - Fee Related
- 1992-10-26 FR FR9212753A patent/FR2683071A1/fr active Granted
- 1992-10-27 JP JP4289035A patent/JPH0675223A/ja active Pending
Patent Citations (6)
| 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 |
| GB2161309A (en) * | 1984-07-03 | 1986-01-08 | Hewlett Packard Co | Apparatus for illuminating a liquid crystal display |
| JPS63309918A (ja) * | 1988-04-25 | 1988-12-19 | Tatsuji Mizobe | バックライト装置 |
| EP0355064A2 (en) * | 1988-08-18 | 1990-02-21 | Tosoh Corporation | Back lighting device for a liquid crystal panel |
| FR2652667A1 (fr) * | 1989-09-30 | 1991-04-05 | Meitaku Syst Kk | Panneau a source lumineuse superficielle. |
Non-Patent Citations (1)
| Title |
|---|
| PATENT ABSTRACTS OF JAPAN vol. 13, no. 146 (P - 854)<3494> 11 April 1989 (1989-04-11) * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11406481B2 (en) * | 2018-01-10 | 2022-08-09 | Koninklijke Philips N.V. | Laser-enhanced optical element |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0675223A (ja) | 1994-03-18 |
| FR2683071B1 (enrdf_load_stackoverflow) | 1995-01-27 |
| ITMI922220A0 (it) | 1992-09-25 |
| SE9202761D0 (sv) | 1992-09-24 |
| DE4135506C2 (de) | 1994-06-16 |
| GB2261100B (en) | 1995-10-04 |
| ITMI922220A1 (it) | 1994-03-25 |
| GB2261100A (en) | 1993-05-05 |
| IT1255835B (it) | 1995-11-17 |
| GB9220928D0 (en) | 1992-11-18 |
| CH686463A5 (de) | 1996-03-29 |
| SE9202761L (sv) | 1993-04-29 |
| DE4135506A1 (de) | 1993-04-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |