# US 7,609,436 B2 · Electro-optically active device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 7,609,436 B2 - Document ID: US7609436B2 - Status: Granted - Kind: B2 - Application number: 11/935,754 - Filed: 2007-11-06 - Published: 2008-04-17 - Granted: 2009-10-27 - Earliest claimed: 2002-06-13 - Assignees: Koninklijke Philips Electronics N.V. - Inventors: Mark Thomas Johnson; Alexander Victor Henzen; Hugo Johan Cornelissen - Web page: https://patentgrep.com/patent/US7609436B2 ## CPC - G02F 1/133512: {Light shielding layers, e.g. black matrix (G02F1/136209 takes precedence)} - G02F 1/167: by electrophoresis - G02F 1/1677: Structural association of cells with optical devices, e.g. reflectors or illuminating devices - G02F: OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS ## Abstract An electro-optically active display device including at least one individually addressable pixel, each pixel being provided with an obstructing element, such as a reservoir light shield, a black matrix or a mirror element. A portion of at least one electrical component is positioned beneath the obstructing element in such a way that the portion is not visible for a viewer of the display device. ## Claims ### Claim 1 Electro-optically active display device with physical transport of the electro-optically active medium through the device, comprising at least one individually addressable pixel, each pixel being provided with an obstructing element, wherein a portion of at least one component, being one of an electrical component other than an electrode and electrode driving lines, is positioned beneath the obstructing element in such a way that the portion is not visible for a viewer of the display device. ### Claim 2 (depends on 1) The display device according to claim 1, wherein said at least one component is one of a storage capacitor, a sensor or a thin film transistor. ### Claim 3 (depends on 1) The display device according to claim 1, wherein said display is a reservoir electrophoretic display device, comprising a reservoir light shield, beneath which one or more of an electrode, a storage capacitor, a sensor, and a thin film transistor is positioned. ### Claim 4 (depends on 3) The display device according to claim 3, said pixel further comprising a reflective element for enabling transflective operation, whereby a portion of an additional component is positioned beneath the reflective element, in such a way that the portion of the additional component is not visible for a viewer of the display device. ### Claim 5 (depends on 1) The display device according to claim 1, wherein said display is one of an electrophoretic display, an electro-wetting display or an electro-mechanical display. ### Claim 6 (depends on 1) The display device according to claim 1, wherein a portion of a mechanical component is positioned beneath the obstructing element in such a way that the portion of the mechanical component is not visible for a viewer of the display device. ### Claim 7 (depends on 6) The display device according to claim 6, wherein the mechanical component is at least one of a spacer and a barrier. ### Claim 8 (depends on 1) The display device according to claim 1, wherein the obstructing element is arranged behind a front substrate. ### Claim 9 (depends on 1) The display device according to claim 1, wherein a portion of a spacer is positioned beneath the obstructing element. ### Claim 10 (depends on 1) The display device according to claim 1, wherein a portion of each of at least two electrical components are positioned beneath the obstructing element. ### Claim 11 (depends on 1) The display device according to claim 1, wherein a portion of at least one of a gate line and an electrode is positioned beneath the obstructing element. ### Claim 12 (depends on 1) The display device according to claim 1, wherein the at least one component is arranged perpendicular to a viewing direction. ### Claim 13 (depends on 1) The display device according to claim 1, wherein the obstructing element is one of a reservoir light shield, a black matrix and a reflecting element. ### Claim 14 A reservoir electrophoretic display device, comprising at least one individually addressable pixel, said pixel having a reservoir light shield, said pixel further comprising a reflective element for enabling transflective operation, wherein at least a portion of an electrical component is positioned beneath the reflective element in such a way that the portion is not visible for a viewer of the display device. ### Claim 15 (depends on 14) The display device according to claim 14, wherein the electrical component is one or more of an electrode, a storage capacitor, a sensor, a source line and a thin film transistor. ### Claim 16 (depends on 14) The display device according to claim 14, wherein at least a portion of a mechanical component is positioned beneath the reflective element in such a way that the portion of the mechanical component is not visible for a viewer of the display device. ### Claim 17 (depends on 14) The display device according to claim 14, wherein a portion of at least one of an electrical or a mechanical component is positioned beneath the reservoir light shield in such a way that the portion is not visible for a viewer of the display device. ### Claim 18 (depends on 17) The display device according to claim 17, wherein the portion of the at least one of an electrical or a mechanical component is a portion of the electrical component and wherein the electrical component is one or more of an electrode, a storage capacitor, a sensor, a source line and a thin film transistor. ### Claim 19 (depends on 17) The display device according to claim 17, wherein the portion of the at least one of an electrical or a mechanical component is a portion of the mechanical component and wherein the mechanical component is one or more of a spacer and a barrier.