权利要求：
Claims
1 . A screen or illumination apparatus, characterized in that the apparatus comprises:
- at least one module (1 1 , 20) where each module comprises a layer arrange- ment of at least one layer (41 a-d, 51 a-e, 61 a-d, 81-85, 86a-c, 87a-c), where at least one layer is at least partly made of a polymer,
- the layer arrangement comprises a LED layer arrangement of at least one LED layer (41 a-b, 51 a-e, 81 ) which comprises a plurality of LEDs (43a-d, 52, 84L, 85L, 86L, 87L), where each single LED layer comprises electrically conduc- tive patterns (60a-b), where the LEDs are electrically coupled with the electrically conductive patterns, and in case at least one module (1 1 , 20) comprises at least two layers:
- the layers are stacked on top of each other for each module (1 1 , 20) in order to form the layer arrangement for the at least one module (1 1 , 20), and in case at least two modules (1 1 , 20) are formed,
- connecting the at least two modules (1 1 , 20) together in order to form the apparatus.
2. The screen or illumination apparatus according to claim 1 , characterized in that the layer arrangement as such is at least partly flexible.
3. The screen or illumination apparatus according to claim 1 or 2, characterized in that the layer arrangement as such is at least partly transparent. 4. The screen or illumination apparatus according to any one of claims 1-3, characterized in that in the apparatus, when the apparatus is set in a planar form,
- a first part of the LEDs (85L, 86L) are directed to a first viewing direction and a second part of the LEDs (84L, 87L) are directed to a second viewing direction opposite to the first direction, resulting in a dual-sided display or illumination de- vice.
5. The screen or illumination apparatus according to any one of claims 1-4, characterized in that the apparatus further comprises a plurality of holes in at least one layer in order to enhance transparency for the apparatus, and/or for providing spaces for LEDs of an adjacent layer.
6. The screen or illumination apparatus according to any of claims 1-5, characterized in that the functionality of a single layer is selected from a group of: a LED layer, a solar panel layer, an electrically conductive pattern layer, a battery layer, a holed film layer, a physical support layer, a protective layer, a thermally conductive layer, a thermally insulating layer, a diffuser layer, a reflective layer, an electroluminescent emission layer, or a sensor layer comprising at least one dedicated sensor.
7. The screen or illumination apparatus according to any of claims 1-6, char- acterized in that the apparatus further comprises:
- a plurality of modules (1 1 , 20) placed adjacently side by side with a butt joint, or fixed together by the connecting means (64, 67a).
8. The screen or illumination apparatus according to any one of claims 1-7, characterized in that the protective layer or means (30, 86d, 87d) further comprises:
- protective polymer strips of film placed adjacently to one another, or a layer of film, on at least a part of the surface area of the apparatus, or
- a single protective strip provided on top of the seam between two adjacent modules of the apparatus, or
a sprayed material on at least a part of the surface area of the apparatus, or
- a polymer material which has been injection molded on at least a part of the surface area of the apparatus. 9. The screen or illumination apparatus according to any of claims 1-8, characterized in that the apparatus further comprises:
- a frame structure (12) where the at least one module (1 1 , 20) is fixed to, and wherein the frame structure (12) comprises electrically conductive wires which are connectable to the selected locations of the modules (1 1 , 20) through connecting means (64, 67a).
10. The screen or illumination apparatus according to any one of claims 1-9, characterized in that selected layers of a single module, and/or selected layers of adjacent modules are fixed and/or electrically coupled by connecting means (64, 67a), where the connecting means is made of an electrically conductive material.
1 1 . The screen or illumination apparatus according to any of the claims 1-10, characterized in that the electrically conductive pattern of the selected layer is electrically coupled to the connecting means (64, 67a) by a connection securing means when the connecting means is in place, and where the connecting means (64, 67a) is conductive, and where the connection securing means is an additional section (68) of electrically conductive wire pressing onto the connecting means (64, 67a), and/or conductive adhesive (69) placed around the connecting means (64, 67a). 12. The screen or illumination apparatus according to any of claims 1-1 1 , characterized in that the apparatus comprises:
- one or two LED layer arrangements (81 ),
one or two solar panel layers (82), and
at least one battery layer (83),
- arranged in an order, where the solar panel layer or layers are able to collect light energy either directly as an outermost layer or through the at least partly transparent layers of the screen or illumination apparatus, resulting into a one- or dual-sided screen or illumination apparatus. 13. The screen or illumination apparatus according to claim 12, characterized in that the LED layer arrangement (81 ) is combined with another LED layer arrangement (81 ), where the latter LED layer arrangement (81 ) has been flipped 180 degrees before the combining, in order to achieve a dual-sided LED screen or illumination apparatus.
14. The screen or illumination apparatus according to any of the claims 1-13, characterized in that the apparatus further comprises wireless connectivity means. 15. The screen or illumination apparatus according to claim 14, characterized in that the apparatus further comprises loT connectivity means.
16. A manufacturing method for a screen or illumination apparatus, characterized in that the manufacturing method comprises the steps of:
- manufacturing at least one LED layer (41 a-d, 51 a-e, 61 a-d, 81 , 84, 85, 86a- b, 87a-b), each LED layer comprising a plurality of LEDs (43a-d, 52, 84L, 85L, 86L, 87L), where at least one LED layer is at least partly made of a polymer,
- where each single LED layer comprises electrically conductive patterns (60a- b), where the LEDs are electrically coupled with the electrically conductive patterns,
- creating a layer arrangement for a single module (1 1 , 20) by stacking the at least one LED layer and possible other layers in a desired order, and repeating the creating step in case of a plurality of modules are desired; and in case at least two modules (1 1 , 20) are formed,
- connecting the at least two modules (1 1 , 20) together in order to form the apparatus.
17. The manufacturing method according to claim 16, characterized in that printing the electrically conductive patterns and component assembling steps are performed with a roll-to-roll method. 18. The manufacturing method according to claim 16 or 17, characterized in that the manufacturing method further comprises:
- stacking the layers on top of one another, where each LED of a LED layer will be accommodated in a corresponding hole of a next layer, or vice versa. 19. The manufacturing method according to any one of claims 16-18, characterized in that the manufacturing method further comprises:
placing or spraying or injection molding a protective layer (30, 86d, 87d) on at least a part of the surface area of the apparatus. 20. The manufacturing method according to any one of claims 16-19, characterized in that the manufacturing method further comprises:
- stacking a first layer arrangement in order to achieve a first single-view apparatus with at least one LED layer,
- stacking a second layer arrangement in order to achieve a second single- view apparatus with at least one LED layer,
- flipping the second layer arrangement 180 degrees, and
- attaching the first layer arrangement with the flipped second layer arrangement in order to achieve a dual-view apparatus. 21 . The manufacturing method according to any one of claims 16-20, characterized in that the manufacturing method further comprises:
- stacking four LED layers (41 a-d), with each LED layer having a first distance between LEDs in both X- and Y-directions on the surface of the LED layer, on top of one another so that a first (41 a) and a second (41 b) LED layer have a misplacement in an X-direction, and a third (41 c) and a fourth (41 d) LED layer have a misplacement in an X-direction, and stacking these two pairs of LED layers with a misplacement in a Y-direction, resulting in a LED layer structure (42) which has half of the first distance between LEDs in both X- and Y-directions on the surface of the LED layer structure. 22. The manufacturing method according to any one of claims 16-21 , characterized in that the manufacturing method further comprises:
stacking a plurality of LED layers (51 a-e), where LEDs (52) on each of the LED layers (51 a-e) have an identical distribution, and when stacking the LED layers (51 a-e) in a misplaced manner,
- achieving a LED layer structure where the LEDs (52) have a uniform distribution in X- and Y-directions on the surface of the LED layer structure.
23. The manufacturing method according to any one of claims 16-22, characterized in that the possible other layers are taken from the group of: a solar panel layer, an electrically conductive pattern layer, a battery layer, a holed film layer, a physical support layer, a protective layer, a thermally conductive layer, a thermally insulating layer, a diffuser layer, a reflective layer, an electroluminescent emission layer, or a sensor layer comprising at least one dedicated sensor.