EP1075686B1 - Ecran matriciel souple et tactile - Google Patents
Ecran matriciel souple et tactile Download PDFInfo
- Publication number
- EP1075686B1 EP1075686B1 EP99919311A EP99919311A EP1075686B1 EP 1075686 B1 EP1075686 B1 EP 1075686B1 EP 99919311 A EP99919311 A EP 99919311A EP 99919311 A EP99919311 A EP 99919311A EP 1075686 B1 EP1075686 B1 EP 1075686B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- nanotubes
- screen according
- matrix screen
- constituted
- matrix
- 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 - Lifetime
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Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
Definitions
- the present invention relates to touch matrix screens and, more particularly, such screens produced by implementing a plurality of nanotubes.
- entering data is carried out by means of a keyboard or mouse type device, while the visualization is obtained by means of a screen of the tube type cathodic or liquid crystal or plasma type.
- CRT screens are heavy and bulky, and have a high radiation harmful to the user.
- Crystal screens liquids or plasma are smaller, but they are very fragile and do not have a very high gloss.
- the screens field effect dishes remain very expensive due to manufacturing necessarily noticeably artisanal.
- the fact that the seizure body is usually separated from the display means leads, with the computer means, to a disjunction between the grasping hand and the gaze that controls, unlike a traced on paper where the hand and the eye operate simultaneously in the same place.
- touch screens by pointing a finger or a stylus on a screen to control a computer.
- these systems remain heavy and do not allow a very good resolution, for example when entering a drawing or text using a stylus.
- some flat screens do not tolerate pressure local, even minimal, of a finger or a stylus is applied to them.
- the object of the present invention is to obviate the drawbacks aforementioned by determining a flexible matrix screen and light touch allowing a precise input.
- the invention uses a plurality of nanotubes.
- nanotubes are tubes formed of carbonaceous sheets arranged in hollow concentric cylinders and uncovered in 1991 by Sumio Lijima.
- a nanotube is a compound polymer only carbon and it is a periodic unidirectional crystal.
- the present invention is situated in this context and makes it possible to remedy the limitations of traditional screens and, as a result, contribute, in particular but not exclusively, for better domestic use and IT professional.
- the primary object of the present invention is to determine a screen tactile matrix not having the aforementioned drawbacks.
- Another object of the invention is to determine such a matrix screen touchscreen of very small thickness and which is flexible and not very fragile.
- a screen tactile matrix for data entry and display in color including a plurality of carbon nanotubes determining a plurality of elements image and a plurality of input elements.
- this touch matrix screen consists of a dot matrix each comprising a picture element and a captured, each picture element being constituted by an end of at least three nanotubes parallel to each other and each emitting in one of three fundamental colors, the input element being constituted by the end of minus a fourth nanotube.
- each point is constituted by a plurality of nanotube ends of which at least four are made active.
- the nanotubes of each point are separated and held in position by means of a filling material which is, for example, consisting of a plurality of non-active nanotubes.
- each image element comprises a multiple of three active nanotubes respectively connected in parallel.
- each active nanotube of each picture element is covered with a phosphor of one of the colors fundamental.
- the diameter of a nanotube is of the order of twenty nanometers (20 x 10 -9 m), while the elementary pitch of a screen point is of the order of 0.2 millimeter (200 x 10 -6 m).
- FIG 1 we have partially and schematically shown seen from above, i.e. seen from the part observed by the user, a corner of a screen 10 according to the invention.
- This screen 10 has a large plurality of points 12 substantially, but not necessarily, square in shape with a side of about 200 ⁇ m.
- Each point 12 includes an image element and an capture.
- the picture element consists of at least a set of three separate nanotubes parallel to each other 14, 16, 18, each emitting in one fundamental colors used in television screens or computer, namely red, green and blue.
- each image element of each point 12 comprises a multiple of three active nanotubes respectively connected in parallel.
- the gripping element consists of a fourth nanotube 20 whose apparent end then functions as the drain of an effect transistor field.
- the ends not visible nanotubes are either bundled together in a collector 22 and connected to a socket 24 forming a connector for a central unit forming a control member and a detection member (not shown in the Figures).
- the active nanotubes 14, 16, 18, 20 of each point 12 are separated and held in position by filling material 26.
- This filling material 26 is advantageously constituted by a plurality non-active nanotubes and / or other nanoparticles, for example carbon.
- a luminescent film 30 is placed on the points 12 opposite the user, in particular to protect the latter, while a web 32 of protection is applied on the opposite side.
- Figure 3 which represents, also in schematic section, the screen of Figure 1, the nanotubes 14, 16; 14 ', 16', etc ... are arranged parallel to each other and do not are not bent.
- An electrical conductor 34, 34 ', etc. is connected to each of the nanotubes 14, 16 so as to apply the required electrical voltage to the invisible end of the nanotubes. These drivers are brought back to connector 24 via collector 22.
- a protective fabric 32 is glued to the sheet of conductors 34, 34 'on the invisible underside of the screen 10.
- each of the active nanotubes 14, 16, etc. is covered with a phosphor 36, 36 'emitting in one of the three colors fundamental as described above,
- a transparent plastic film 30 covers the screen. This film is isolated electrically of the opposite ends of the nanotubes. It's a film conductor connected to a reference potential, for example earth 38, so to constitute an anode for the plurality of cathodes formed by the nanotubes of the picture elements.
- the nanotubes 14, 16, etc. are generated directly on and in a woven carbon fiber tablecloth found under the reference 40 in Figure 3, since this tablecloth then acts as maintenance of nanotubes.
- a matrix touch screen 10 having the aforementioned advantages.
- Such a screen can easily be made in all the desired dimensions, for example for a traffic or advertising sign, or for a watch face, or a display screen attached to a plastic card of the smart card type, with possibly a photovoltaic cell allowing an electrical supply autonomous.
- This screen is not fragile, it is even flexible and can therefore be rolled up on itself during transport.
- the low power required to operate it allows it to be used in a rather hostile environment.
- a particular advantage of such a matrix touch screen is that it is possible to use as a table to lay, for example, a plan or a paper document, and very easily obtain a computer input of the plan by simply following the lines drawn with a thin stylus or even on point.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Position Input By Displaying (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Push-Button Switches (AREA)
- Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
- Photoreceptors In Electrophotography (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Laminated Bodies (AREA)
Description
Claims (12)
- Ecran matriciel tactile (10) pour la saisie et l'affichage en couleurs de données comprenant une pluralité de nanotubes de carbone (14, 16, 18, 20) déterminant une pluralité d'éléments d'image et une pluralité d'éléments de saisie,
caractérisé en ce que
il est constitué par une matrice de points (26) comprenant chacun un élément d'image et un élément de saisie, chaque élément d'image étant constitué par une extrémité d'au moins trois nanotubes parallèles entre eux et émettant chacun dans l'une des trois couleurs fondamentales (14, 16, 18), l'élément de saisie étant constitué par l'extrémité d'au moins un quatrième nanotube (20). - Ecran matriciel selon la revendication 1, caractérisé en ce que chaque point (12) est constitué par une pluralité d'extrémités de nanotubes dont au moins quatre (14, 16, 18, 20) sont rendus actifs.
- Ecran matriciel selon la revendication 1 ou 2, caractérisé en ce que les nanotubes de chaque point (12) sont séparés et maintenus en position au moyen d'un matériau de remplissage (26).
- Ecran matriciel selon la revendication 2, caractérisé en ce que le dit matériau de remplissage (26) est constitué par une pluralité de nanotubes non actifs.
- Ecran matriciel selon l'une des revendications 1 à 4, caractérisé en ce que chaque élément d'image comprend un multiple de trois nanotubes actifs (14, 16 18) respectivement connectés en parallèle.
- Ecran matriciel selon l'une quelconque des revendications précédentes, caractérisé en ce que l'extrémité de chaque nanotube actif de chaque élément d'image est recouverte d'un luminophore (36, 36') de l'une des couleurs fondamentales.
- Ecran matriciel selon l'une quelconque des revendications précédentes, caractérisé en ce que les dits nanotubes (14, 16, 18, 20) sont coudés de manière à former un faisceau de nanotubes dont les autres extrémités sont reliées à une unité centrale comprenant un organe de commande des nanotubes constituant les éléments d'image et un organe de détection pour les nanotubes constituant les éléments de saisie.
- Ecran matriciel selon l'une quelconque des revendications 1 à 6, caractérisé en ce que les dits nanotubes (14, 16, 18, 20) sont rectilignes et parallèles entre eux, les extrémités éloignées des dits points étant reliées à une unité centrale comprenant un organe de commande des nanotubes constituant les éléments d'image et un organe de détection pour les nanotubes constituant les éléments de saisie.
- Ecran matriciel selon l'une quelconque des revendications précédentes, caractérisé en ce que la paroi constituée par les dits points (12) est recouverte d'un film plastique transparent (30).
- Ecran matriciel selon la revendication 9, caractérisé en ce que le dit film plastique (30) est un film conducteur formant une pluralité d'anodes en regard de la pluralité correspondante des extrémités formant cathode des nanotubes constituant les éléments d'image (14, 16, 18), et isolé par rapport à ceux-ci.
- Ecran matriciel selon la revendication 9 ou 10, caractérisé en ce que le dit film plastique (30) est luminescent.
- Ecran matriciel selon l'une quelconque des revendications précédentes, caractérisé en ce que les nanotubes (14, 16, 18, 20) sont engendrés sur une nappe tissée en fibres de carbone (40).
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9805471 | 1998-04-30 | ||
FR9805471A FR2778263B1 (fr) | 1998-04-30 | 1998-04-30 | Support souple pour la saisie et l'affichage electroniques de donnees numeriques sur une meme surface |
FR9905440A FR2779859B1 (fr) | 1998-04-30 | 1999-04-29 | Ecran matriciel tactile |
FR9905440 | 1999-04-29 | ||
PCT/FR1999/001029 WO1999057703A1 (fr) | 1998-04-30 | 1999-04-30 | Ecran matriciel souple et tactile |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1075686A1 EP1075686A1 (fr) | 2001-02-14 |
EP1075686B1 true EP1075686B1 (fr) | 2002-03-06 |
Family
ID=26234301
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99919311A Expired - Lifetime EP1075686B1 (fr) | 1998-04-30 | 1999-04-30 | Ecran matriciel souple et tactile |
Country Status (11)
Country | Link |
---|---|
EP (1) | EP1075686B1 (fr) |
JP (1) | JP2002513980A (fr) |
CN (1) | CN1175386C (fr) |
AT (1) | ATE214188T1 (fr) |
AU (1) | AU3713399A (fr) |
CA (1) | CA2332437A1 (fr) |
DE (1) | DE69900983T2 (fr) |
ES (1) | ES2172326T3 (fr) |
FR (1) | FR2779859B1 (fr) |
PT (1) | PT1075686E (fr) |
WO (1) | WO1999057703A1 (fr) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2853985B1 (fr) | 2003-04-19 | 2005-07-08 | Inanov | Ecran flexible a microtubes cathodiques |
US7956287B2 (en) | 2004-04-20 | 2011-06-07 | Takiron Co., Ltd. | Transparent conductive formed article for a touch panel and touch panel |
KR101404543B1 (ko) | 2006-10-30 | 2014-06-10 | 삼성디스플레이 주식회사 | 표시 장치 |
US9575560B2 (en) | 2014-06-03 | 2017-02-21 | Google Inc. | Radar-based gesture-recognition through a wearable device |
US10268321B2 (en) | 2014-08-15 | 2019-04-23 | Google Llc | Interactive textiles within hard objects |
US9588625B2 (en) * | 2014-08-15 | 2017-03-07 | Google Inc. | Interactive textiles |
US9778749B2 (en) | 2014-08-22 | 2017-10-03 | Google Inc. | Occluded gesture recognition |
US11169988B2 (en) | 2014-08-22 | 2021-11-09 | Google Llc | Radar recognition-aided search |
US9600080B2 (en) | 2014-10-02 | 2017-03-21 | Google Inc. | Non-line-of-sight radar-based gesture recognition |
JP6567078B2 (ja) * | 2015-01-12 | 2019-08-28 | ドルビー ラボラトリーズ ライセンシング コーポレイション | 画素タイル構造およびレイアウト |
KR101889953B1 (ko) * | 2015-02-23 | 2018-08-21 | 엘지디스플레이 주식회사 | 측부 구부림 구조를 갖는 무-베젤 표시 패널 |
JP6427279B2 (ja) | 2015-04-30 | 2018-11-21 | グーグル エルエルシー | ジェスチャの追跡および認識のための、rfに基づいた微細動作追跡 |
KR102011992B1 (ko) | 2015-04-30 | 2019-08-19 | 구글 엘엘씨 | 타입-애그노스틱 rf 신호 표현들 |
US10088908B1 (en) | 2015-05-27 | 2018-10-02 | Google Llc | Gesture detection and interactions |
US10817065B1 (en) | 2015-10-06 | 2020-10-27 | Google Llc | Gesture recognition using multiple antenna |
US10492302B2 (en) | 2016-05-03 | 2019-11-26 | Google Llc | Connecting an electronic component to an interactive textile |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1997019208A1 (fr) * | 1995-11-22 | 1997-05-29 | Northwestern University | Procede d'encapsulation d'un materiau dans un nanotube en carbone |
GB2321335A (en) * | 1997-01-16 | 1998-07-22 | Ibm | Display device |
-
1999
- 1999-04-29 FR FR9905440A patent/FR2779859B1/fr not_active Expired - Fee Related
- 1999-04-30 AU AU37133/99A patent/AU3713399A/en not_active Abandoned
- 1999-04-30 CN CNB998056146A patent/CN1175386C/zh not_active Expired - Fee Related
- 1999-04-30 AT AT99919311T patent/ATE214188T1/de not_active IP Right Cessation
- 1999-04-30 ES ES99919311T patent/ES2172326T3/es not_active Expired - Lifetime
- 1999-04-30 CA CA002332437A patent/CA2332437A1/fr not_active Abandoned
- 1999-04-30 WO PCT/FR1999/001029 patent/WO1999057703A1/fr active IP Right Grant
- 1999-04-30 DE DE69900983T patent/DE69900983T2/de not_active Expired - Fee Related
- 1999-04-30 PT PT99919311T patent/PT1075686E/pt unknown
- 1999-04-30 JP JP2000547601A patent/JP2002513980A/ja active Pending
- 1999-04-30 EP EP99919311A patent/EP1075686B1/fr not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JP2002513980A (ja) | 2002-05-14 |
ES2172326T3 (es) | 2002-09-16 |
WO1999057703A1 (fr) | 1999-11-11 |
CN1299501A (zh) | 2001-06-13 |
ATE214188T1 (de) | 2002-03-15 |
CA2332437A1 (fr) | 1999-11-11 |
EP1075686A1 (fr) | 2001-02-14 |
FR2779859A1 (fr) | 1999-12-17 |
AU3713399A (en) | 1999-11-23 |
PT1075686E (pt) | 2002-08-30 |
CN1175386C (zh) | 2004-11-10 |
DE69900983D1 (de) | 2002-04-11 |
DE69900983T2 (de) | 2002-11-28 |
FR2779859B1 (fr) | 2001-06-22 |
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