Abstract:
Flexible electronic devices may be provided. A flexible electronic device may include a flexible display, a flexible housing and one or more flexible internal components configured to allow the flexible electronic device to be deformed. Flexible displays may include flexible display layers, flexible touch-sensitive layers, and flexible display cover layers. The flexible housing may be a multi-stable flexible housing having one or more stable positions. The flexible housing may include a configurable support structure that, when engaged, provides a rigid support structure for the flexible housing. The flexible internal components may include flexible batteries, flexible printed circuits or other flexible components. A flexible battery may include flexible and rigid portions or may include a lubricious separator layer that provides flexibility for the flexible battery. A flexible printed circuit may include flexible and rigid portions or openings that allow some rigid portions to flex with respect to other rigid portions.
Abstract:
An electronic device may have a display. The display may have an active region in which display pixels are used to display images. The display may have one or more openings and may be mounted in a housing associated with the electronic device. An electronic component may be mounted in alignment with the openings in the display. The electronic component may include a camera, a light sensor, a light-based proximity sensor, status indicator lights, a light-based touch sensor array, a secondary display that has display pixels that may be viewed through the openings, antenna structures, a speaker, a microphone, or other acoustic, electromagnetic, or light-based component. One or more openings in the display may form a window through which a user of the device may view an external object. Display pixels in the window region may be used in forming a heads-up display.
Abstract:
A portable computing device is disclosed. The portable computing device can take many forms such as a laptop computer, a tablet computer, and no on. The portable computing device can include a single piece housing formed from a radio opaque material with a cover formed from a radio transparent material. To implement a wireless interface, an antenna stack-up can be provided that allows an antenna to be mounted to a bottom of the cover. Methods and apparatus are provided for improving wireless performance. For instance, in one embodiment, a metal housing can be thinned to improve antenna performance. As another example, a faraday cage can be formed around speaker drivers to improve antenna performance.
Abstract:
Glue-free hinge assemblies including press-fit pins are disclosed. A press-fit pin of one material can mechanically attach to a workpiece of another material during a press fit operation. The press-fit pin can include a pin shaft having a chamfered first end, a notched portion, a grooved portion having axial grooves, a clinching feature, and a sealing feature. The chamfered first end can guide the press-fit pin into a counter-bored receiving hole in the workpiece. The axial grooves can etch the workpiece material to rotationally lock the press fit-pin into the receiving hole. The clinching feature can plastically deform workpiece material into the notched portion to axially lock the press-fit pin into receiving hole without causing substantial axial expansion of the workpiece. The sealing feature can form a stepped fit between an outer diameter of the press-fit pin and an outer diameter of the counter-bored receiving hole.
Abstract:
An electronic device may have a liquid crystal display with backlight structures. The backlight structures may produce backlight that passes through the display layers in the display. The display layers may include a layer of liquid crystal material interposed between a color filter layer and a thin-film transistor layer. The backlight structures may include a light guide plate. A plurality of light-emitting diodes mounted on a flexible printed circuit may be coupled to an edge of the light guide plate. The flexible printed circuit may be curled into a spring element to bias the light-emitting diodes against the edge of the light guide plate. A plurality of gaps may be formed in the flexible printed circuit and may be used to separate and mechanically decouple adjacent light-emitting diodes. Individual light-emitting diodes may independently register to the light guide plate to maximize optical efficiency in the display.
Abstract:
A magnetic assembly for use in a housing of an electronic device can include a first and a second magnet and a magnetic shield. The magnetic shield can reduce magnetic flux density from the first and the second magnets that can appear on the outside of the housing. A magnetic hinge assembly can include magnets configured to correlate with the first and second magnets. The magnetic hinge can magnetically attach to the housing by cooperating with the first and second magnets with magnets that can be included in the magnetic hinge.
Abstract:
Electronic devices may include displays having backlight structures and display layers. The display layers may include alignment features. The backlight structure may include alignment features. The alignment features on the backlight structures may include transparent portions of the backlight structures. The alignment features on the display layers may include alignment marks that are visible through the transparent portions of the backlight structures. The transparent portions of the backlight structures may include openings that extend from a first surface of the backlight structures to an opposing second surface of the backlight structures. The openings may be filled by transparent members formed from plastic or glass. The transparent members may include additional alignment marks. The transparent members may include lensing portions that magnify the alignment marks on the display layers when viewed through the lensing portions.
Abstract:
An electronic device may be provided with a display. The display may include display layers characterized by an active area and backlight structures that provide backlight to the active area. To accommodate components such as a button, an edge portion of a light guide plate in the backlight structures that does not overlap the active area is bent out of the plane of the light guide plate. The bent edge portion of the light guide plate may be formed by molding clear plastic in a die or by bending a flexible sheet of clear polymer. Flared structures may be formed on the flexible sheet of clear polymer to help guide light from light-emitting diodes into the flexible sheet of clear polymer. The flared structures may be formed by applying resin coating layers to the flexible sheet of clear polymer.
Abstract:
Electronic devices may include displays. A display may include backlight components that provide backlight illumination for the display. Backlight components may include a light guide plate that distributes light from a light source across the display. A plastic display chassis may be used to support display layers and backlight components. A light blocking material such as a layer of metal or opaque coating material may be formed on a surface of the plastic display chassis and may be used to reduce light leakage from the backlight components to the exterior of the electronic device. A metal barrier structure may be formed on a surface of the support structure and may be used to ground a conductive display layer to a conductive support structure such as a metal display chassis or a metal housing member. The plastic display chassis may be insert molded around a light barrier structure.
Abstract:
Electronic devices may include displays. A display may include backlight components such as a light guide plate that distributes light from a light source across the display. The light source may include a plurality of light-emitting diodes mounted on a printed circuit substrate. A portion of the light guide plate may be attached to the printed circuit substrate using adhesive. The adhesive may be a supported adhesive that includes a lining of reflective material. A reflective coating such as a layer of white coverlay may be formed on the surface of the printed circuit substrate and may be configured to reflect light into the light guide plate. The reflective coating may serve as a solder mask. The printed circuit substrate may be attached to a metal display chassis using adhesive. A shim may be used to raise the height of the light source relative to the printed circuit substrate.