WO2006106194A9 - Dispositif de support d’ecran comportant des sources lumineuses pour illuminer un ecran - Google Patents
Dispositif de support d’ecran comportant des sources lumineuses pour illuminer un ecranInfo
- Publication number
- WO2006106194A9 WO2006106194A9 PCT/FR2006/000407 FR2006000407W WO2006106194A9 WO 2006106194 A9 WO2006106194 A9 WO 2006106194A9 FR 2006000407 W FR2006000407 W FR 2006000407W WO 2006106194 A9 WO2006106194 A9 WO 2006106194A9
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- screen
- light sources
- diffusion
- support
- transparent
- Prior art date
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/46—Special adaptation of floors for transmission of light, e.g. by inserts of glass
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F19/00—Advertising or display means not otherwise provided for
- G09F19/22—Advertising or display means on roads, walls or similar surfaces, e.g. illuminated
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F2290/00—Specially adapted covering, lining or flooring elements not otherwise provided for
- E04F2290/02—Specially adapted covering, lining or flooring elements not otherwise provided for for accommodating service installations or utility lines, e.g. heating conduits, electrical lines, lighting devices or service outlets
- E04F2290/026—Specially adapted covering, lining or flooring elements not otherwise provided for for accommodating service installations or utility lines, e.g. heating conduits, electrical lines, lighting devices or service outlets for lighting
Definitions
- the present invention relates to a device for representing an image comprising a screen supported by a support structure. More particularly, the present invention relates to a device comprising a support structure, comprising supporting elements for supporting said screen, each of said support elements being in contact with said screen in a contact zone, said device also comprising light sources. to illuminate each illuminated area on said screen.
- the object of the present invention is therefore to be able to use a device making it possible to create a surface intended to project an image or a video, adaptable to scenes of spectacles or tracks of different sizes and of different forms and not having to resort to the use of very thick glass plates without the possibility of support at the image level.
- the object of the present invention is therefore a device for representing an image according to the introduction, wherein said light sources are positioned so that said illuminated areas generated by light sources neighboring each other overlap and thus create a zone of light. overlap, the contact areas between said support elements and said screen overlapping said overlapping areas.
- said screen comprises a light diffusion means for diffusing the light emitted by said light sources so that each illuminated area is thus composed of a central illumination zone surrounded by a diffusion halo and are created at the same time. level of said broadcast means. This makes it possible to visualize precise light points on the diffusion means. These points correspond to the central lighting zone. This makes it possible to define a pixel of the image represented.
- the diffusion halos make it possible to make visual transitions between each of the pixels.
- said screen comprises a transparent portion of a thickness e, located between said support member and said light diffusion means.
- This transparent part makes it possible to increase the extent of the broadcast on the broadcasting medium.
- said transparent portion is a transparent element, such as glass or plexiglass, comprising a first and a second face, said contact zones being on said first face, and said diffusion means is a translucent element, such as a retro projection canvas, located on said second face of said transparent element.
- a transparent element such as glass or plexiglass
- said diffusion means is a translucent element, such as a retro projection canvas, located on said second face of said transparent element.
- said device comprises a second transparent element, said diffusion means being located between said first transparent element and said second transparent element.
- said device comprises at least one holding means for maintaining said light sources, said holding means being located at a distance d from said support elements and at a distance from said screen thus defining a space between said holding means and said support members, and between said holding means and said screen, so that vibrations of said screen are not transmitted to said light sources directly or through said support members.
- said holding means for holding said light sources is a plate comprising said light sources, said plate comprising through holes for passing said support elements.
- the device has the shape of a box comprising walls. This protects all light sources, during transport or installation. This also allows several devices to be joined side by side, to cover a surface by means of several devices according to the present invention.
- said walls comprise at least one passage to allow the passage of cables.
- said device comprises a control means for controlling the parameters of the light emitted by said light sources. This allows in particular to control said device to represent an image or part of an image.
- the structure of the device according to the present invention comprises partitions for isolating said control means from the rest of the device.
- said device comprises connection means for connecting said device to at least one other device according to the present invention.
- a second object of the present invention is an assembly of at least two devices according to the present invention, the devices being contiguous so that the edge of one of the devices is adjacent to the edge of the other device, so that the screens of the two devices constitute a composite screen whose surface corresponds to the sum of the surfaces of each screen of each device.
- said assembly comprises a global control means, connected to all the devices of said assembly, to control all of said devices for projecting an image on said composite screen.
- FIG. 1 represents a perspective view of a part of the device according to the invention
- FIG. 2 represents a cross-section of the device according to the invention
- FIG. 3 represents a detail view in section of the device according to the invention
- FIG. 4 represents a view from below of the device according to the invention.
- the device comprises a structure 10 comprising support elements 12.
- the device also comprises light sources 2, 3, 4 and 5 which are supported by at least one holding means 1.
- this holding means 1 is a plate which comprises said light sources 2, 3, 4 and 5.
- This plate comprises holes for pass the support elements 12.
- the plate 1 is supported by support means 15 such that for example tenons, as shown in Figure 1.
- said plate 1 is fixed to said support means 15.
- Figure 1 shows two holding means 1.
- all of the holding means 1 or the means maintenance (when there is only one) covers the entire device. For the sake of clarity in Figure 1, only half of the device is covered by the holding means 1 and thus by light sources.
- the holding means is a printed circuit to which the light sources 2, 3, 4 and 5 are connected.
- each support means 12 is surrounded by a group of light sources, corresponding to the closest light sources 2, 3, 4 and 5.
- the light sources of this group are each at a distance equal to the support element 12.
- the device according to the present invention comprises walls 30 and 17.
- the device has the shape of a box and comprises a wall 30 on each of its edges and a plate 17.
- the edges 30 will make it possible to protect the sides of the device and in particular the lighting means which comprise the light sources 2, 3, 4 and 5.
- the plate 17 also makes it possible to protect the underside of these devices. lighting means.
- the plate 17 has at least one passage 18 to allow the passage of cables.
- the walls 30 have passages 16 to allow the passage of cables. These cables are, for example, connection cables making it possible to feed light sources 2, 3, 4 and 5.
- the walls 30 also preferably comprise a flange 32 and / or a border 33, preferably extending over the entire length of the wall 30 and inside the device.
- the rim 32 has the same height as the support elements 12.
- Figure 2 shows a sectional view of the device according to the present invention.
- the section was made along an axis passing through the support elements 12 in their middle.
- the screen 9 is supported by the support elements 12.
- the part of the screen 9 which is in contact with the support element 12 is defined as being the contact zone 13.
- the support element 12 has the shape of a tenon whose summit is flat. As shown in Figure 2, this flat top is fully in contact with said screen 9 and therefore corresponds to said contact zone 13.
- the screen 9 consists of a transparent portion 6 of a thickness e.
- transparent we mean a material allowing light to pass through and making it possible to clearly distinguish the objects through its thickness.
- the first face of this transparent portion 6 is in contact with the support elements 12 to the contact zones 13.
- the screen 9 also comprises a diffusion means 7 at the second face of said transparent portion 6.
- the light sources 2, 3 will illuminate the diffusion means 7 through the transparent portion 6.
- An illuminated area will thus created on the means of diffusion.
- This zone will be composed of a central illumination zone corresponding to the direct illumination of the diffusion means by the light sources and of a diffusion halo around the central illumination zone.
- This diffusion halo is created by the diffusion means.
- the transparent element 6 may be a glass plate, the second face is sandblasted and thus diffuses the light. In this case, the second face of the transparent element 6 constitutes the diffusion means.
- the transparent portion is a transparent element, such as a transparent glass plate
- the diffusion means 7 is a translucent element, such as a retro-projection fabric, located on said second face of said transparent element 6.
- Translucent means a material allowing light to pass, without, however, making it possible to clearly distinguish the outline of the objects through its thickness.
- a second transparent element 8 is placed on the other side of the diffusion means 7.
- the diffusion means 7 is thus located between the first transparent element 6 and the second transparent element 8.
- This second transparent element makes it possible to protect the medium 7.
- the transparent elements 6 and 8 are made of glass, they have the same thickness, which makes it possible to increase the resistance of the screen 9.
- the rim 32 makes it possible to further support said screen.
- the border 33 makes it possible to adjust the closure of the box constituted by said structure 10 by means of the screen 9.
- Said structure 10 preferably comprises partitions 24.
- a large portion of the support members 12 extend directly to the support surface 100 against which said device is supported. So the forces that will apply on the screen 9 in the direction of said support surface 100 will be distributed over all the support elements 12 and will be transmitted directly against the support surface 100. This reinforces the strength of said device by relieving the stresses at the screen 9.
- Figure 3 shows how the present invention works. This is an enlarged representation of one of the support elements 12 as shown in FIG. 2. Since it is a sectional view passing through the support element 12, only two light sources 2 and 3 are visible. For the sake of simplicity, the second transparent element 8 has not been shown.
- the light sources 2 and 3 generate a light beam that will illuminate the diffusion means 7.
- the light source 2 generates an illuminated area 52 and the light source 3 generates an illuminated area 53.
- these illuminated areas 52 and 53 overlap and thus create an overlap area 50.
- the contact area 13 is superimposed on the overlap area 50. Thus, the contact area 13 will not be visible or appear little at the illuminated areas 52 and 53.
- each illuminated area 52 and 53 within each illuminated area 52 and 53 is a dotted circle arc.
- the central illumination zone 56 or 57 within this dashed circle corresponds to the direct illumination of the diffusion means 7 by the corresponding light source 2 or 3.
- the light emitted by said light source 2 or 3 passes through the transparent element 6 and directly reaches the diffusion means 7.
- This brightness is nevertheless diffused by the diffusion means 7 on the sides of the central illumination areas 56 and 57, so that a diffusion halo 58 or 59 surrounds each central illumination area 56 or 57, which enlarges the illuminated area 52 or 53
- each central illumination zone 56 or 57 may constitute a point of the image represented on the screen, that is to say, correspond to a pixel.
- the diffusion halos 58 and 59 constitute a transition from one pixel to another.
- FIG. 3 it can be seen that the diffusion halos 58 and 59 make it possible to create an overlap zone 50 preferably having a size equal to or greater than the contact zone 13, in order to have a superposition that makes it possible to mask the contact area 13.
- the thickness e of the transparent element 6 will make it possible to increase the diffusion.
- the direct light beam of a light source is not strictly limited.
- a light source such as a diode electroluminescent, is defined as having a direct illumination angle ⁇ .
- the light beam included within this angle corresponds to a percentage of brightness, defined with respect to the total brightness of the source, generally greater than 50%.
- the beam included within this angle is defined as the direct light beam. Nevertheless outside this angle, a certain brightness exists.
- the thickness e will allow this brightness out of the direct light beams emitted by the light sources 2 and 3 to pass between the contact zone 13 and the diffusion means 7, thus extending the diffusion halos 58 and 59.
- the overlap zone 50 is totally superimposed with the contact zone 13 and therefore has a size greater than or equal to this contact zone 13.
- the central illumination zones 56 and 57 do not overlap.
- L is the distance between each support element 12 and the light sources 2, 3, 4, and 5 closest thereto,
- ⁇ is the direct illumination angle of the light sources 2, 3, 4 and 5.
- the overlap zone 50 is composed only by the overlap of the diffusion halos 58 and 59. These halos thus allow the transition from a central illumination zone 5 ⁇ to a central illumination zone 57 and the masking of the element contact 13.
- each support element 12 is surrounded by four light sources 2, 3, 4 and 5.
- Another advantage of this invention is that by allowing the multiplication of the support elements 12, said invention allows the screen 9 to undergo stresses exerted in the direction of the support surface 100, all of these constraints being distributed over all the support elements 12. According to the intensity of the constraints which the screen 9 will be intended to be subjected, it will suffice to multiply by the same number of support elements 12.
- the holding means 1 is situated at a distance d from the support element 12 and at a distance from the screen 9. It thus defines a space 14 situated between the support element 12 and the means of support. 1 and between the screen 9 and the holding means 1.
- the vibrations to which the screen 9 will be subjected will not be transmitted directly from the screen 9 to the holding means 1 or the support member 12 to the holding means 1.
- the holding means 1 is a plate
- the latter comprises holes for let the support elements 12 and whose edges are not in contact with the support elements 12.
- the support member 12 is a stud whose diameter at the plate 1 is lower to the hole inside which he passes.
- the support means 15 will comprise an elastic means in contact with the plate 1 to prevent the transmission of vibrations to the plate 1 by said holding means 15.
- Figure 4 shows a bottom view of the device according to the present invention.
- said device comprises a control means 40 making it possible to control the parameters of the light emitted by said light sources 2, 3, 4 and 5.
- This control means will make it possible to control the luminous intensity of each of the light sources 2, 3 , 4 or 5 or the color emitted by them.
- An image can therefore be broadcast on the screen 9 of said device, each light source corresponding to a pixel of the image represented on the screen 9.
- the light sources 2, 3, 4 and 5 are light-emitting diodes (LEDs). ).
- the device comprises partitions 24 making it possible to isolate said control means 40 from the remainder of the device as it appears in FIGS. 1, 2 and 4.
- the plate 17 will make it possible to isolate the control means 40 from the light sources. 2, 3, 4 and 5.
- the holes 18 allowing passage of the connection means of the light sources to the control means 40.
- said device comprises connection means 42 and 44 to be able to connect it to another device according to the present invention.
- the connection means 42 and 44 will allow the connection of cables to connect said device.
- these cables have not been shown in FIG. 4.
- said device has the shape of a box, passages 16 inside the edges 30 allow the passage of cables or electrical connections to connect them.
- these connection means 42 and 44 are directly connected to the control means 40.
- connection of two devices allows the realization of an assembly of at least two devices.
- the two devices are then preferably contiguous so that the edge of one of the devices is adjacent to the edge of the other device.
- the two screens of the two devices will constitute a composite screen, the surface of which corresponds to the sum of the surfaces of each screen of each device.
- the previously described assembly is connected to a global control means connected to all the devices of the assembly to control all the devices.
- This overall control means will allow control of all the light sources of each of the devices and will thus project an image on the screen composed.
- the present invention will thus make it possible to create a composite screen whose size is adjustable.
- the area of the screen composed will be a function of the number of devices selected.
- the present invention thus allows the realization of modular screens that can be pressed against a support surface 100.
- a support surface 100 For example it may be a dance floor on which will be arranged said devices, contiguous to each other. This will provide a track that can support a large number of people. This track will be a screen to broadcast an image.
- the weight of the dancers will be distributed over all the support elements 12. Depending on the weight that the whole of this track will have to bear, the devices will comprise more or less support elements 12, the present invention making it possible to mask those elements. this.
- the screen preferably comprises two transparent elements 6 and 8 as previously described, these transparent elements being constituted, for example, laminated glass plates or plexiglass.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Architecture (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Marketing (AREA)
- Theoretical Computer Science (AREA)
- Accounting & Taxation (AREA)
- Business, Economics & Management (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Overhead Projectors And Projection Screens (AREA)
- Projection Apparatus (AREA)
- Securing Globes, Refractors, Reflectors Or The Like (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008504791A JP2008537287A (ja) | 2005-04-05 | 2006-02-23 | 画面を照射する光源を備える画面支持装置 |
CA002603854A CA2603854A1 (fr) | 2005-04-05 | 2006-02-23 | Dispositif de support d'ecran comportant des sources lumineuses pour illuminer un ecran |
EP06709367A EP1866899A1 (fr) | 2005-04-05 | 2006-02-23 | Dispositif de support d ecran comportant des sources lumineuses pour illuminer un ecran |
US11/887,855 US20090103280A1 (en) | 2005-04-05 | 2006-02-23 | Screen Supporting Device Provided With Screen Illuminating Light Sources |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0503355A FR2884026B1 (fr) | 2005-04-05 | 2005-04-05 | Dispositif de support d'ecran comportant des sources lumineuses pour illuminer l'ecran |
FR0503355 | 2005-04-05 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2006106194A1 WO2006106194A1 (fr) | 2006-10-12 |
WO2006106194A9 true WO2006106194A9 (fr) | 2007-11-01 |
Family
ID=35385361
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2006/000407 WO2006106194A1 (fr) | 2005-04-05 | 2006-02-23 | Dispositif de support d’ecran comportant des sources lumineuses pour illuminer un ecran |
Country Status (7)
Country | Link |
---|---|
US (1) | US20090103280A1 (fr) |
EP (1) | EP1866899A1 (fr) |
JP (1) | JP2008537287A (fr) |
CN (1) | CN101176137A (fr) |
CA (1) | CA2603854A1 (fr) |
FR (1) | FR2884026B1 (fr) |
WO (1) | WO2006106194A1 (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009044180B4 (de) * | 2009-10-05 | 2011-07-14 | Saint-Gobain Deutsche Glas GmbH, 52066 | Beleuchteter Hallenfußboden |
WO2012014598A1 (fr) * | 2010-07-30 | 2012-02-02 | シャープ株式会社 | Dispositif d'éclairage, dispositif d'affichage et dispositif de réception de télévision |
US20120293994A1 (en) * | 2011-05-16 | 2012-11-22 | Alva Light | LED Lighting Fixture |
FR3078767B1 (fr) * | 2018-03-09 | 2020-09-25 | Valeo Comfort & Driving Assistance | Dispositif de retro-eclairage et dispositif d'affichage associe |
WO2020181551A1 (fr) * | 2019-03-14 | 2020-09-17 | 深圳市光祥科技股份有限公司 | Écran de carreau de sol |
CN111028707A (zh) * | 2019-11-19 | 2020-04-17 | 深圳市光祥科技股份有限公司 | Led地砖显示屏 |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4329739A (en) * | 1979-03-16 | 1982-05-11 | William Loebner | Lighted disco dance floor |
US4340929A (en) * | 1979-12-10 | 1982-07-20 | Sico Incorporated | Illuminated portable floor |
US4303969A (en) * | 1980-05-12 | 1981-12-01 | Hamilton Jerrol D | Portable dance floor system |
US4544993A (en) * | 1985-01-09 | 1985-10-01 | Kirk Johnie C | Floor illuminating bedside light unit |
US4631647A (en) * | 1986-02-24 | 1986-12-23 | Robert Ranney | Wall and ceiling light device |
GB9006767D0 (en) * | 1990-03-27 | 1990-05-23 | French Stephen | Illuminated portable dance floor system |
US5377086A (en) * | 1992-04-03 | 1994-12-27 | Sportlite, Inc. | Lighting apparatus |
US5309277A (en) * | 1992-06-19 | 1994-05-03 | Zygo Corporation | High intensity illuminator |
FR2752912B1 (fr) * | 1996-09-02 | 1998-11-20 | Perrault Philippe Maurice | Dispositif de sol lumineux |
SE9802781D0 (sv) * | 1998-08-18 | 1998-08-18 | Sandra Jaerlebro | Apparat |
GB9922263D0 (en) * | 1999-09-22 | 1999-11-17 | Russell Michael G | Lighting panel |
US6257735B1 (en) * | 2000-02-19 | 2001-07-10 | Smartlite, Inc. | Fluorescent light reflector |
US20010036072A1 (en) * | 2000-03-06 | 2001-11-01 | Baker Paul W. | Theater aisle lighting system |
US6727864B1 (en) * | 2000-07-13 | 2004-04-27 | Honeywell International Inc. | Method and apparatus for an optical function generator for seamless tiled displays |
KR100640987B1 (ko) * | 2000-10-14 | 2006-11-02 | 엘지.필립스 엘시디 주식회사 | 액정표시장치의 직하형 백라이트 어셈블리 |
TW594196B (en) * | 2003-02-10 | 2004-06-21 | Au Optronics Corp | Improved support for backlight module |
TW591300B (en) * | 2003-06-19 | 2004-06-11 | Au Optronics Corp | Backlight module |
US7570227B2 (en) * | 2003-10-17 | 2009-08-04 | Palo Alto Research Center Incorporated | Systems and methods for managing seams |
US7738036B2 (en) * | 2003-12-30 | 2010-06-15 | Thomson Licensing | System and method for smoothing seams in tiled displays |
US7237925B2 (en) * | 2004-02-18 | 2007-07-03 | Lumination Llc | Lighting apparatus for creating a substantially homogenous lit appearance |
TWI282886B (en) * | 2004-04-01 | 2007-06-21 | Au Optronics Corp | Backlight module |
US7441902B2 (en) * | 2004-10-27 | 2008-10-28 | Symbol Technologies, Inc. | Large size image projection |
-
2005
- 2005-04-05 FR FR0503355A patent/FR2884026B1/fr active Active
-
2006
- 2006-02-23 CA CA002603854A patent/CA2603854A1/fr not_active Abandoned
- 2006-02-23 JP JP2008504791A patent/JP2008537287A/ja active Pending
- 2006-02-23 WO PCT/FR2006/000407 patent/WO2006106194A1/fr active Application Filing
- 2006-02-23 US US11/887,855 patent/US20090103280A1/en not_active Abandoned
- 2006-02-23 CN CNA2006800108005A patent/CN101176137A/zh active Pending
- 2006-02-23 EP EP06709367A patent/EP1866899A1/fr not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
CA2603854A1 (fr) | 2006-10-12 |
EP1866899A1 (fr) | 2007-12-19 |
CN101176137A (zh) | 2008-05-07 |
FR2884026A1 (fr) | 2006-10-06 |
FR2884026B1 (fr) | 2007-06-08 |
WO2006106194A1 (fr) | 2006-10-12 |
US20090103280A1 (en) | 2009-04-23 |
JP2008537287A (ja) | 2008-09-11 |
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