Optical path control member and display device comprising same
US-2024411201-A1 · Dec 12, 2024 · US
US2016349591A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2016349591-A1 |
| Application number | US-201415114471-A |
| Country | US |
| Kind code | A1 |
| Filing date | Jan 31, 2014 |
| Priority date | Jan 31, 2014 |
| Publication date | Dec 1, 2016 |
| Grant date | — |
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A media includes a frame and an e-paper display recessed relative to a portion of the frame.
Opening claim text (preview).
1 . A display media comprising: a frame including a top surface defining at least a first aperture; and a re-writable, passive e-paper display embedded within at least a portion of the frame and including an imaging surface exposed within, and recessed relative to, the first aperture. 2 . The display media of claim 1 , wherein the top surface of the frame is a generally planar flat surface and is sized and shaped to slidably receive at least one contact portion of a writing module to perform external through-the-air imaging of the imaging surface of the e-paper display. 3 . The display media of claim 1 , wherein the frame includes: a first structural support having a length and a width greater than a length and a width of the electronic paper display; and a second structural support on opposite ends and on opposite side edges of the e-paper display, the second structural support having a thickness greater than a thickness of the e-paper display such that a top surface of the e-paper display is recessed relative to a top surface of the second structural support by a first distance, wherein the top surface of the second structural support corresponds to a top surface of the frame. 4 . The display media of claim 3 , wherein the first structural support includes an at least translucent portion having a width and a length generally corresponding to the width and the length of the electronic paper display with the at least translucent portion being on an opposite side of the electronic paper than the imaging surface, wherein information written on the electronic paper display is viewable through the at least translucent portion. 5 . The display media of claim 3 , wherein the first structural support includes a second aperture generally aligned with the e-paper display, wherein information written on the electronic paper display is viewable through the at least translucent portion, and wherein the top surface of the e-paper display exposed within the first aperture is generally opaque. 6 . The display media of claim 3 , wherein the first structural support is generally opaque, wherein information written on the electronic paper display is viewable through the aperture in the second structural support. 7 . The display media of claim 1 , comprising: a ground electrode sheet sandwiched between a top surface of the first structural support and the electronic paper display, and sandwiched between the top surface of the first structural support and a bottom portion of the second structural support. 8 . The display media of claim 7 , wherein the second structural support includes at least a third aperture spaced laterally from the e-paper display, wherein the third aperture exposes a portion of the ground electrode sheet to provide a ground access path. 9 . A method of manufacturing a display media, the method comprising: securing a passive e-paper display on a top surface of a first structural support; and forming a second structural support onto the top surface of the first structural support, including arranging a top surface of the second structural support to be vertically spaced apart from an imaging surface of the e-paper display and to define an aperture through which the imaging surface is exposed. 10 . The method of claim 9 , comprising: arranging the top surface of the second structural support as a generally planar flat surface to receive slidable engagement of a contact portion of writing module for non-contact, through-the-air deposition of charges onto the exposed imaging surface of the e-paper display; and arranging the vertical space between the imaging surface and the top surface of the second structural support to maintain a substantially uniform and constant gap between the imaging surface and an imaging head of the writing module. 11 . The method of claim 10 , wherein the e-paper display includes a bottom conductive layer, comprising: prior to the forming, printing conductive portions onto the first structural support and laterally to the bottom conductive layer of the e-paper display to establish connectivity between the conductive portions and the bottom conductive layer; and forming the second structural support adjacent edges of the e-paper display and at least partially on top of the conductive portions while exposing at least one conductive surface accessible relative to the top surface of the second structural support. 12 . The method of claim 9 , comprising: providing the first structural support to include a transparent portion aligned with the e-paper display; providing a bottom conductive layer of the e-paper display as a transparent member; and providing a top layer of the e-paper display as an opaque element. 13 . The method of claim 9 , comprising: providing the first structural support as an opaque member; and providing the top layer of the e-paper display as a transparent member. 14 . An imaging system comprising: a writing module including: a contact portion to be slidably engageable relative to a frame of a media; and an imaging head recessed relative to the contact portion and oriented to emit charges at a spaced distance relative to an imaging surface of a passive e-paper display recessed within the media frame. 15 . The imaging system of claim 14 , wherein the media comprises: the frame including a top surface defining at least a first aperture; and the re-writable, passive e-paper display embedded within at least a portion of the frame and including the imaging surface exposed within, and recessed relative to, the first aperture.
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