Abstract: Devices, systems, and methods are provided for generating a wide angle frontlight for use with reflective displays. A display device may include a first end and a second end opposite the first end, and a first side and a second side opposite the first side. The display device may include a first light source, and a first light guide able to receive first light from the first light source. The display device may include a reflective display, the first light guide including a first refractive device, the first refractive device refracts a first portion of the first light toward the reflective display in a first direction toward the first side and to refract a second portion of the first light toward the reflective display in a second direction toward the second side, and the first direction separated from the second direction by a first angle of at least forty degrees.

Abstract: An electronic device includes a stack assembly and a cover glass. The stack assembly includes an electrophoretic display sub-assembly for rendering content, a front light sub-assembly comprising a light guide, a light FPC, and a plurality of light sources, and a capacitive touch sensing sub-assembly for detecting touch inputs. A yellow-pigmented tape is applied over the light sources and an edge of the light guide. A stiffener member is coupled to the light FPC opposite the yellow-pigmented tape.

Abstract: A content item to be displayed via a display of an electronic device may be associated with a first set of grey values or a set of color values. The electronic device may generate, maintain, or at least have access to one or more mappings that map the set of color values and/or the first set of grey values to a second set of grey values. Based on the one or more mappings, the electronic device may convert a color value of the set of color values or a first grey value of the first set of grey values to a second grey value of the second set of grey values. The content item may then be displayed utilizing the second grey value.

Abstract: Described herein are electrically printable media. The electrically printable medium includes a first flexible structural layer, a second flexible structural layer, and an electronic ink layer comprising a plurality of cells that include charged particles in a fluid. The electronic ink layer is disposed above the first flexible structural layer. The second flexible structural layer is disposed over the electronic ink layer. The electrically printable medium is adapted to have content rendered visible thereon based on electrical signals supplied by a printer.

Abstract: An electronic device includes a stack assembly and a cover glass. The stack assembly includes an electrophoretic display sub-assembly for rendering content, a front light sub-assembly comprising a light guide, a light FPC, and a plurality of light sources, and a capacitive touch sensing sub-assembly for detecting touch inputs. A yellow-pigmented tape is applied over the light sources and an edge of the light guide. A stiffener member is coupled to the light FPC opposite the yellow-pigmented tape.

Abstract: This application describes techniques for erasing (e.g., smudging, rendering illegible, etc.) images that are presented on display mediums, such as electronic-paper displays. Electronic-paper displays include a layer of electronic ink comprising charged particles suspended in a fluid. When a voltage differential is created across the reading surface, the charged colored particles may rise to the reading surface, retreat to the opposite surface, or suspend somewhere there between, thereby creating a visible image. In some instances described herein, a common electrode is partitioned into at least two sets of elements interleaved with one another. To erase an image, a voltage differential may be driven between these two sets of elements, creating an in-plane electrical field that erases the image.

Abstract: An electronic device includes a stack assembly and a cover glass. The stack assembly includes an electrophoretic display sub-assembly for rendering content, a front light sub-assembly comprising a light guide, a light FPC, and a plurality of light sources, and a capacitive touch sensing sub-assembly for detecting touch inputs. A yellow-pigmented tape is applied over the light sources and an edge of the light guide. A stiffener member is coupled to the light FPC opposite the yellow-pigmented tape.

Abstract: A content item to be displayed via a display of an electronic device may be associated with a first set of grey values or a set of color values. The electronic device may generate, maintain, or at least have access to one or more mappings that map the set of color values and/or the first set of grey values to a second set of grey values. Based on the one or more mappings, the electronic device may convert a color value of the set of color values or a first grey value of the first set of grey values to a second grey value of the second set of grey values. The content item may then be displayed utilizing the second grey value.

Abstract: An electronic device includes a stack assembly and a cover glass. The stack assembly includes an electrophoretic display sub-assembly for rendering content, a front light sub-assembly comprising a light guide, a light FPC, and a plurality of light sources, and a capacitive touch sensing sub-assembly for detecting touch inputs. A yellow-pigmented tape is applied over the light sources and an edge of the light guide. A stiffener member is coupled to the light FPC opposite the yellow-pigmented tape.

Abstract: This disclosure relates to, among other things, devices, systems, methods, computer-readable media, techniques, and methodologies that utilize and/or incorporate display components capable of being configured to detect light.

Abstract: Described herein are electronic devices that includes a display stack having a cover component atop a lightguide component and a display component below the lightguide component. In some instances, the cover component including an antiglare etching applied to a top surface of a coverglass and a touch pattern applied to a bottom surface of the coverglass. In some cases, an optically clear adhesive layer formed from two types of optically clear adhesive may be located between the cover component and the lightguide component and a ring adhesive may be applied to around an outer edge of the cover component, the optically clear adhesive and the lightguide component.

Abstract: This disclosure describes electronic devices that include displays for rendering content, touch sensors disposed beneath the displays for detecting touch inputs, and antiglare components for reducing glare caused by ambient light. In some embodiments, the displays include a single transparent substrate, a thin film transistor array connected to a bottom surface of the transparent substrate, a conductive substrate, and a front plane laminate connected to the conductive substrate. In such embodiments, the front plane laminate is connected to the thin film transistor array, and the array comprises a plurality of transparent electrodes. This disclosure also describes techniques for manufacturing displays utilized with electronic devices.

Abstract: The subject matter disclosed herein relates to an electrowetting display comprising pixels that include colored subpixels that comprise: a colored reflective layer on a support plate; an electrode; a hydrophobic layer; and a liquid region including an electrolyte, and dark electrowetting oil and white electrowetting oil both being immiscible with the electrolyte. A coverage area of the dark electrowetting oil on the hydrophobic layer and a coverage area of the white electrowetting oil on the hydrophobic layer are individually electronically adjustable to affect light transmission to the colored reflective material.

Abstract: A display includes a lightguide having an array of light extraction features that can be actively controlled to direct varying amounts of light received from one or more light sources arranged at the edge of the display. The light extraction features include two fluids with different refractive indices. The relative positions of the fluids in each light extraction feature are controlled, e.g., by electrowetting, to control the amount of light directed toward the display.

Abstract: A printer for printing to electrically printable media is described. During printing, a drum surface having first and second portions is charged to a first voltage, and the second portions of the surface are selectively discharged. A transfer electrode has a uniform voltage applied thereon. A first erase electrode and a second erase electrode have a fixed voltage differential between them. The printer receives the electrically printable medium between the first erase electrode and the second erase electrode to expose the electrically printable medium to the fixed voltage differential, and to move the electrically printable medium proximal to the drum and the transfer electrode to expose the electrically printable medium to a first voltage differential that results from the first voltage of the first portions and the uniform voltage, and a second voltage differential that results from the second voltage of the second portions and the uniform voltage.

Abstract: This disclosure describes electronic devices that include displays for rendering content, touch sensors disposed beneath the displays for detecting touch inputs, and antiglare components for reducing glare caused by ambient light. In some embodiments, the displays include a single transparent substrate, a thin film transistor array connected to a bottom surface of the transparent substrate, a conductive substrate, and a front plane laminate connected to the conductive substrate. In such embodiments, the front plane laminate is connected to the thin film transistor array, and the array comprises a plurality of transparent electrodes. This disclosure also describes techniques for manufacturing displays utilized with electronic devices.

Abstract: Apparatus for generating a pixel clock to control the timing of data pulses in an optical scanning device. A VCO is utilized to generate the pixel clock. The control voltage for the VCO is provided by a digital-to-analog converter ("DAC") which converts the count generated by a pixel reference location counter driven by a reference clock. The output of the DAC is fed back as the reference voltage for the DAC. The effect is to either increase or decrease the DAC reference voltage depending on whether positive or negative feedback is implemented, thereby varying the pixel clock frequency for the image data stream as a function of pixel position. By selecting the appropriate feedback and feedback gain, the pixel placement can be made uniform across the scan line.

Abstract: A scanner system includes a light source and scanning components for moving a spot of light across a surface along a scan line of predetermined length. An electronic control system is included for controlling the light beam in order to produce a plurality of pixels on the surface along the scan line. It is configured to control the position and exposure of each of the pixels in order to compensate for pixel position distortion and pixel exposure distortion caused by variations in spot velocity. Preferably, the control system produces a digital scan clock signal or other control signal that defines a pixel interval and an exposure interval for each of a plurality of desired pixel positions along the scan line according to stored pixel interval and exposure interval data.