A dynamically flexible article or device, such as a wristband, an armband, a rollable e-reader, or a belt, includes a flexible electronic component (e.g., a flexible display) and a support structure coupled to the flexible electronic component. The support structure is configured to limit bending of the flexible electronic component to a range within a bending tolerance of the flexible electronic component.

A resin composition containing (A) a polyimide having acidic functional groups and (B) a compound having functional groups that react with the acidic functional groups, where (a) a solution rate in 3 mass % aqueous sodium hydroxide at 45 C. is 0.95 or more after a heat history of 90 C. for 10 minutes with the solution rate before the heat history assumed to be 1, (b) the solution rate in 3 mass % aqueous sodium hydroxide at 45 C. ranges from 0.001 m/sec to 0.02 m/sec after the heat history of 180 C. for 60 minutes, (c) a bleed-out amount is 50 mg/m.sup.2 or less in storing at 40 C. for 2 weeks after the heat history of 180 C. for 60 minutes, and (d) a thermogravimetric decrease at 260 C. is 2.0% or less in measuring on a temperature rising condition of 10 C./min from 40 C. by thermogravimetric analysis (TG). When a multilayer flexible wiring board is manufactured using the resin composition, it is possible to obtain the resin layer excellent in alkali processability, embeddability in press, heat resistance, bendability, insulation reliability, and adhesion to the conductive layer.

A lighting module (100) is disclosed, comprising an elongated member (110) having an inner surface (112) at least in part delimiting a light-guiding region (114) within the elongated member, wherein the elongated member has a first end (116) a second end (118) and is configured to permit passage of fluid through the light-guiding region (114) and into and out of the first end and the second end, respectively. Light can be out-coupled from the light-guiding region (114) via at least one of the first end (116) and the second end (118). The elongated member (110) includes a carrier which is at least in part flexible and has a first side (131) and a second side (132) opposite to the first side (131). At least one light-emitting element (120) is coupled to the first side (131) of the carrier on a first portion (151) of the carrier. The carrier is arranged such that the second side (132) of the first portion (151) of the carrier at least partially faces the second side (132) of a second portion (152) of the carrier, such that the first side (131) of the first portion (151) of the carrier at least in part constitures the inner surfave (112) of the elongated member (110). By way of such arrangement of the carrier, the at least one light-emitting element (120) can be arranged within the elongated member (110), and may hence emit light into the light-guiding region (114). A lighting device (200) comprising the lighting module (100) is also disclosed.

A display device including: a flexible display panel; a first housing having an outer peripheral surface around which the flexible display panel is rolled; a jig in the first housing and connected to a first end of the flexible display panel, wherein the flexible display panel is configured to be rolled around the jig; and a second housing accommodating the first housing, wherein the jig and the first housing are configured to be rotated in different directions.

A driving board folding machine comprises a machine housing, a movable table and one or more pre-folding stations for holding an unfolded flexible circuit and a circuit housing. When the driving board folding machine is activated, the one or more pre-folding stations are moved to a folding station located within the machine housing and the flexible circuit is folded and inserted within the circuit housing. The driving board folding station is able to comprise multiple pre-folding stations on one or more sides of the movable table. A holding pin holds the flexible circuit in place while a forming press moves in order to preform the flexible circuit, fold the flexible circuit and move the circuit housing to insert the flexible circuit into the housing.

A catheter for canceling magnetic interference is disclosed. The catheter includes a catheter shaft having a distal end with sensors and a handle with electronics and non-magnetic sensors. Inside the catheter shaft is at least one flexible substrate having conductive traces. Another flexible substrate is wrapped around a component in the catheter shaft. The catheter further includes a plurality of connectors. A first connector connects the sensors to one end of the at least one flexible substrate. A third connector connects the non-magnetic sensors to one end of the other flexible substrate. A second connector and a fourth connector both connect the electronics to another end of the at least one flexible substrate.

A resilient substrate structure, which can be rolled up around an axis, includes a substrate, a working patterned layer and a resilient structure. The substrate has a first surface and a second surface. The substrate is defined with a first edge and a second edge in a direction parallel to the axis. The working patterned layer is arranged on the substrate. The resilient structure is arranged on the second surface. The resilient structure includes a composite layer and a supporting layer, which keep attaching to each other. The composite layer has curve-able segments, each of which is parallel to the axis and connects to the first and second edges. The resilient structure is transformed to contain multiple wavy segments when the resilient substrate structure is at the retraction state. An electronic device including the resilient substrate structure and electronic elements is also disclosed.

A light emitting diode (LED) lighting device includes at least one LED assembly comprising a substrate and two or more LEDs configured to generate light spaced apart along the substrate. A cured structural coating is disposed on at least a portion of the LED assembly, wherein the cured structural coating is configured to maintain the LED assembly in a predetermined shape. The substrate of the LED assembly may comprise an elongated and/or flexible substrate.

A dynamically flexible article or device, such as a wristband, an armband, a rollable e-reader, or a belt, includes a flexible electronic component (e.g., a flexible display) and a support structure coupled to the flexible electronic component. The support structure is configured to limit bending of the flexible electronic component to a range within a bending tolerance of the flexible electronic component.

One embodiment of the present invention provides a highly reliable display device. In particular, a display device to which a signal or a power supply potential can be supplied stably is provided. Further, a bendable display device to which a signal or a power supply potential can be supplied stably is provided. The display device includes, over a flexible substrate, a display portion, a plurality of connection terminals to which a signal from an outside can be input, and a plurality of wirings. One of the plurality of wirings electrically connects one of the plurality of connection terminals to the display portion. The one of the plurality of wirings includes a first portion including a plurality of separate lines and a second portion in which the plurality of lines converge.