Abstract: An electrical element, such as a thin-film transistor, is defined on a flexible substrate, in that the substrate is attached to a carrier by an adhesive layer, and is delaminated after definition of the transistor. This is for instance due to illumination by UV-radiation. An opaque coating is provided to protect any semiconductor material. A heat treatment is preferably given before application of the layers of the transistor to reduce stress in the adhesive layer.

Abstract: A semiconductor device is described that comprises an integrated circuit substrate comprising a plurality of bonding pads for enabling electrical connectivity to a chip circuit. The bonding pads are at least partially covered by a passivation layer having pre-manufactured holes. The device also includes a chip having a plurality of bumps atop the bonding pads, wherein areas of the bumps are larger than respective areas of cooperating holes in the passivation layer.

Abstract: The invention relates to a structure 20 comprising a substrate 12, a chip 16 bonded to the substrate by means of a bonding adhesive, wherein the bonding adhesive comprises light absorbing and/or light reflecting particles for protecting the chip from the ambient light. The adhesive may be used to fill all cavities 13a, 13b, 13c between the chip 16 and the substrate 12. The invention further relates to a display and an electronic apparatus comprising said structure.

Abstract: According to one aspect, the invention provides a device with a flexible display screen. The flexible display screen is rollable around an axis between a rolled-up state and an unrolled state. For stiffening the screen, stiffening elements are attached to the flexible display screen. The stiffening elements are compressible. They are compressed when the display screen is in a rolled-up state, so as to decrease the size of the rolled-up display device. Therefore, the invention strengthens the display, while at the same time retains a reasonable size of the display in the rolled-up state.

Abstract: The invention relates to a flexible display (40) comprising a frontplane (42), positioned on top of the backplane (44). Preferably, the frontplane (44) is laminated on top of the backplane (42). The flexible display (40) further comprises a bonding area (48). In accordance to the invention the frontplane (44) extends over an area (46) substantially corresponding with the bonding area (48). Preferably, the frontplane in the region of the bonding are (48) is provided with spacings (47) for arrangement of suitable electrical contacts for enabling a connectivity to the array of electronic pixels and/or to the array of electro-optic elements. The spacings (47) may be of any suitable shape being arranged individually or being interconnected with each-other to form a sole spacing on top of the bonding area (48).

Abstract: A stacked display (20b) comprises superposed regions for changing between a reflective color state (R, G, B) and a transparent state, which regions form part of a˜bended substrate (20). The substrate (20) may comprise a sequence of portions (1-6) which forms regions having pre-defined color. Each portion (1-6) is electrically connected to a further portion in the sequence by interconnect regions (b?, c?, d?) which form an oversized loop between the regions (1-2, 3-4, 5-6) when the substrate (20) is bent. The regions (1-2, 3-4, 5-6) are filled with a suitable optoelectronic color material (R, G, B).

Abstract: An electrical element, such as a thin-film transistor, is defined on a flexible substrate, in that the substrate is attached to a carrier by an adhesive layer, and is delaminated after definition of the transistor. This is for instance due to illumination by UV-radiation. An opaque coating is provided to protect any semiconductor material. A heat treatment is preferably given before application of the layers of the transistor to reduce stress in the adhesive layer.

Abstract: The invention relates to an arrangement 10 comprising a flexible carrier 6 having a front surface and a back surface; a component 2 adhered to the front surface of the flexible carrier, and a stiffener 8 extending at least partially over said front surface or said back surface for protecting at least a portion of the front surface or the back surface of the flexible carrier 6, wherein the stiffener 8 comprises a first region 8c extending over an area covered by the component 2 and a second region 8a, 8b extending over an area not covered by the component 2, the second region being more flexible than the first region.

Abstract: The invention relates to a flexible display comprising a first flexible layer configured to comprise pixels 5 of the flexible display, a second flexible layer superposed on the first flexible layer, which second flexible layer comprises a color filter with a plurality of color elements 1, 2, 3, 4 associated with said pixels, wherein the pixels comprise color sub-pixels 1a, 2a, 3a, 4a, the color elements and/or color sub-pixels being discontinuously arranged to counteract misalignment between respective color sub-pixels and color elements. The color elements 1, 2, 3, 4 are arranged to substantially overlap respective sub-pixels 1a, 2a, 3a, 4a whereby the buffer zones 6a, 6b, 6c, 6d are arranged to overlap a portion of said sub-pixels as well. The invention further relates to a method of manufacturing a flexible display.

Abstract: A method of controlling an electronic display having a plurality of pixels settable in a first operating level, a second operating level and an intermediate operating level, the method comprising the step of setting the pixels in a preparatory intermediate operating level immediately prior to setting the pixels in a desired intermediate operating state. At an end of a frame i?1, for example, it is possible to drive a pixel from a level P0 further towards white to reach reflection level Pn or to stop driving it, or to switch a control voltage to an apposite polarity and arrive at a lower level. Levels P1 and P2 present embodiments of preparatory intermediate levels used to drive pixels in accordance with the invention. For example, levels 2, 4, and 6 may be obtained from the preparatory level P1. Levels 3, 5, and 7 may be obtained from the preparatory level P2.

Abstract: The electronic device comprises a data processing facility (8), a flexible panel (3), and a facility (4,5) for arranging the panel at least into an extended shape (FIG. 1A) and into a compact shape (FIG. 1B). The flexible panel includes—a display structure (20) responsive to output signals (Sout) from the data processing facility (8), —a touch sensitive structure (22) arranged for providing input signals 10 (Sin) to the data processing facility (8) indicative for a change of capacitance at a position where a pointing device approaches the panel (3).

Abstract: The invention relates to an electronic apparatus 10 comprising with a flexible display 2, which may be extendable from a housing 5 upon use. In accordance with the invention, the edge portions 3 are provided with an edge protector having an upper surface P1 and a lower surface P2, said edge protector being comprised of segments 6a, 6b, 6c, 6d, 8a, 8b, 8c, 8d, which may be interconnected by hinges 9a, 9b, 9c. The segments of the edge protector are arranged above and below the edge portions of the flexible display 2 and are preferably displaceable during translation of the flexible display from a collapsed to an extended state and back. Preferably, the hinges 9a, 9b, 9c are arranged for enabling a vertical V and/or a horizontal H displacement of the segments. The segmented edge protector is arranged for being moved together with the display and to be stored together with it, so that the segments 6a, 6b, 6c, 6d, 8a, 8b, 8c, 8d substantially do not loose contact with the edge portion during storage.

Abstract: A display panel is described that includes a picture element controllable by an active matrix drive comprising at least one structural element (a), wherein the at least one structural element (a) comprises a plurality of sub-units (b1, b2, b3) whose electrical connectivity (c1, c2, c3) is alterable for repairing of an electrical malformation related to the structural element (a).

Abstract: A display apparatus is described comprising a plurality of electrofluidic chromatophore (EFC) pixel cells. Each pixel cell comprises a fluid holder for holding a polar fluid and a non-polar fluid having differing display properties. The fluid holder comprises a fluid reservoir with a geometry having a small visible area onto the polar fluid, and a channel with a geometry having a large visible area onto the polar fluid. The channel is connected to the reservoir to enable free movement of the polar fluid and non-polar fluid between the channel and the reservoir. At least part of a surface of the channel comprises a wetting property responsive to a supply voltage. The pixel cell comprises at least one further pixel cell terminal that is coupled to a further electrode to supply a direct voltage to the pixel cell.

Abstract: The invention relates to an electronic apparatus comprising a flexible display 12 cooperating with a housing 15 and conceived to be alternated between an at least partially collapsed state and an at least partially extended state, said housing 15 comprising a substantially rigid portion 16a, 16b, 16c conceived to at least partially support an outer region of a surface of the flexible display in the extended state, wherein said rigid portion 16a, 16b, 16c is arranged for at least partially receiving a functional module 18a, 18b, 18c of the electronic apparatus.

Abstract: A display apparatus is disclosed comprising a plurality of electrofluidic chromatophore (EFC) pixel cells, each pixel cell comprising a fluid holder for holding a polar fluid and a non-polar fluid having differing display properties. The fluid holder comprises a fluid reservoir and a channel. The channel is connected to the reservoir so as to enable movement of the polar fluid and non-polar fluid between the channel and the reservoir. A supply voltage applied to the channel results in a movement of the polar fluid to change a cell display property. A circuit board supplies an electrical charge to the pixel cells to generate the supply voltage. A display controller comprises a state lookup table storing, for a respective pixel cell, the current pixel cell display property. The display controller calculates the electrical charge as a function of the current pixel cell display property and the new pixel cell display property.

Abstract: An electronic component, notably one including, for example, a TFT, a storage capacitor, or a crossing between electrically conductive layers of a stack device is disclosed. The electronic component comprises a substrate whereon a first electrically conductive layer forming electrode is provided. A second electrode formed by a second electrically conductive layer is separated from the first electrode by at least a dielectric layer, comprising an interlayer of an electrically insulating material, preferably having high resistance against view (a) electrical breakdown and a further layer of a photo-patternable electrically insulating material.

Abstract: The invention relates to an electronic apparatus comprising a collapsible electronic display (20) having an active region (21) conceived to be extendable and comprising a substantially deformable area (24a, 24b) and a substantially non-deformable area in use; and electronic components for enabling electrical connectivity for the electronic display, wherein the electronic components are arranged on the substantially non-deformable area (23a, 23b, 23c) outside the active region (21).

Abstract: A display has reduced moire interference. The display has a backplane with a regular array of pixels and a frontplane with a regular array of cells. The backplane and frontplane are laminated together. The width of the distribution of aperture (the total inner cell area above an active pixel area divided by total pixel area) over the display is reduced. Sinusoidally curved walls or other curved pixel edges may be used in the frontplane or backplane to control the distribution.

Abstract: The device of the invention comprises a thin film transistor of an organic semiconductor material. This semiconductor material is patterned by applying first a protective layer and thereafter a photoresist. As a result hereof, the transistor of the invention (A) shows a very low leakage current and a low threshold voltage in comparison with prior art transistors (B,C).