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Display Device and Sensor Device
| Content Provider | The Lens |
|---|---|
| Abstract | According to one embodiment, a display device includes a display panel, a cover member includes an opening which opposes the display panel and a sensor device provided around the opening in the cover member, and the sensor device includes a button portion includes a plurality of first sensors arranged at a first interval along a first direction, a bar portion includes plurality of second sensors arranged at a second interval along the first direction, the second sensors being smaller than the first sensors and a volume portion formed into a ring shape and including a plurality of third sensors arranged along a circumferential direction thereof. |
| Related Links | https://www.lens.org/lens/patent/009-960-308-958-975/frontpage |
| Language | English |
| Publisher Date | 2019-03-07 |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Patent |
| Jurisdiction | United States of America |
| Date Applied | 2018-09-05 |
| Applicant | Japan Display Inc |
| Application No. | 201816122411 |
| Claim | A display device comprising: a display panel; a cover member comprising an opening which opposes the display panel; and a sensor device provided around the opening in the cover member, the sensor device comprising: a button portion comprising a plurality of first sensors arranged at a first interval along a first direction; a bar portion comprising plurality of second sensors arranged at a second interval along the first direction, the second sensors being smaller than the first sensors; and a volume portion formed into a ring shape and comprising a plurality of third sensors arranged along a circumferential direction thereof. The device of claim 1 , wherein the sensor device further comprises a first drive wiring line connected to each of the plurality of first sensors, a second drive wiring line connected to each of the plurality of second sensors, and a third drive wiring line connected to each of the plurality of third sensors, and the first to third drive wiring lines are located between the button portion and the bar portion. The device of claim 2 , wherein the sensor device further comprises a first shield wiring line and a second shield wiring line, the first shield wiring line and the second shield wiring line are at ground potential, and the first to third drive wiring lines are located between the first shield wiring line and the second shield wiring line. The device of claim 3 , wherein the sensor device further comprises first detection wiring lines respectively connected to the first sensors, second detection wiring lines respectively connected to the second sensors, and third detection wiring lines respectively connected to the third sensors, the first shield wiring line is located between the first detection wiring lines and the first to third drive wiring lines, and the second shield wiring line is located between the second and third detection wiring lines and the first to third drive wiring lines. The device of claim 4 , wherein the first to third drive wiring lines, the first to third detection wiring lines, and the first to second shield wiring lines are all located on a same plane. The device of claim 5 , wherein the first to third drive wiring lines, the first to third detection wiring lines, and the first to second shield wiring lines are all formed from an identical materia The device of claim 6 , wherein the first to third drive wiring lines, the first to third detection wiring lines, and the first to second shield wiring lines are not located in the opening. The device of claim 7 , wherein the second interval is less than the first interva A display device comprising: a display panel; a cover member comprising an opening which opposes the display panel; a first sensor device provide around the opening in the cover member; and a second sensor device provided in the display panel and superimposed on the opening, the first sensor device comprising a shield wiring line at a ground potential, provided along the opening. The device of claim 9 , wherein the first sensor device comprises: a sensor; a detection wiring line located between the shield wiring line and the sensor and connected to the sensor; and a drive wiring line connected to the sensor, and the sensor is located between the detection wiring line and the drive wiring line. The device of claim 10 , wherein the sensor comprises: a first electrode; and a second electrode located on an outer side to the first electrode, surrounding the first electrode, and comprising one end portion and another end portion opposing each other with a gap therebetween, the first electrode is connected to one of the detection wiring line and the drive wiring line passing through between the one end portion and the other end portion, and the second electrode is connected to the other wiring line of the detection wiring line and the drive wiring line. The device of claim 11 , wherein the first electrode comprises a hole in a central portion thereof, the first electrode has a line width greater than that of the one of the wiring lines, and the second electrode has a line width greater than that of the other one of the wiring lines. The device of claim 9 , further comprising: a wiring board; a first flexible wiring board which electrically connects the first sensor device and the wiring board to each other; a second flexible wiring board which electrically connects the second sensor device and the wiring board to each other; and a sensor controller provided on the wiring board, which controls the first sensor device and the second sensor device, the display panel is located between the cover member and the wiring board. The display device of claim 13 , wherein the wiring board comprises a first connector and a second connector, and the first flexible wiring board extend along the first direction, and is bent by a first bending line along a second direction crossing the first direction and connected to the first connector, and the second flexible wiring board extends along the second direction, and is bent by a second bending line along the first direction, and connected to the second connector. A sensor device comprising: an annular drive electrode; and a plurality of detection electrodes located on an outer side of the drive electrode on a same plane as that of the drive electrode, and arranged at intervals along an entire circumference of the drive electrode, wherein the sensor detects contacting or approaching of an object in a circular sensor area based on electrostatic capacitance between the drive electrode and the plurality of detection electrodes. The device of claim 15 , wherein the drive electrode further comprises: an annular base; a driver located on an outer side of the base and opposing one of the plurality of detection electrodes; and a connector which connects the base and the driver to each other, and the detection electrode surrounds the driver. The device of claim 15 , further comprising: a first shield wiring line and a second shield wiring line located between each adjacent pair of the plurality of detection electrodes; and a drive wiring line connected to the base, wherein the first shield wiring line and the second shield wiring line are at ground potential, and the drive wiring line is located between the first shield wiring line and the second shield wiring line. The device of claim 15 , further comprising: a base material comprising a first surface opposing the sensors containing the drive electrode and the detection electrode, and a second surface on an opposite side to the first surface, and the base material comprises a groove portion superimposed on the sensor in the second surface. The device of claim 18 , further comprising: a mark located between the base material and the sensors and superimposed on the groove portion. |
| CPC Classification | ELECTRIC DIGITAL DATA PROCESSING 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 PRINTED CIRCUITS;CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS;MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS ORGANIC ELECTRIC SOLID-STATE DEVICES |
| Extended Family | 141-058-380-920-217 194-435-230-252-35X 060-642-084-663-566 145-297-766-082-985 009-960-308-958-975 065-440-921-767-132 |
| Patent ID | 20190073056 |
| Inventor/Author | Takada Naoki |
| IPC | G06F3/044 G02F1/1343 G06F3/041 H01L27/32 H05K1/18 |
| Status | Active |
| Owner | Japan Display Inc |
| Simple Family | 141-058-380-920-217 194-435-230-252-35X 060-642-084-663-566 145-297-766-082-985 009-960-308-958-975 065-440-921-767-132 |
| CPC (with Group) | G06F3/0445 G06F3/0412 G06F3/0446 G06F2203/0339 G02F1/1343 G02F2201/123 G06F3/0416 G06F3/044 G06F2203/04107 G06F2203/04108 G06F2203/04111 H05K1/18 H10K59/131 |
| Issuing Authority | United States Patent and Trademark Office (USPTO) |
| Kind | Patent Application Publication |
