Electronic display with a relief

Patent metadata

Field	Value
Publication number	US-9996158-B2
Application number	US-201715585146-A
Country	US
Kind code	B2
Filing date	May 2, 2017
Priority date	Sep 15, 2016
Publication date	Jun 12, 2018
Grant date	Jun 12, 2018

Abstract

Introduced here are methods and systems to create a relief on an electronic display. In one embodiment, the relief is created by micro-electromechanical systems (MEMS) placed above a cover layer of the electronic display. Each MEMS when activated can protrude or depress, thus creating the relief on the electronic display. In another embodiment, the relief is created by a plurality of resistors placed beneath the cover layer. The cover layer is made out of an elastically deformable material that, when heated, expands, thus creating a protrusion on the electronic display. Each resistor when activated heats a section of the cover layer, causing the cover layer to protrude.

First claim

The invention claimed is:

1. An apparatus to create a relief associated with an electronic display, the apparatus comprising:
a haptic layer disposed proximate to an outer surface associated with the electronic display, the haptic layer comprising a plurality of micro-electromechanical systems (MEMS) to create the relief associated with the electronic display, the relief comprising at least one of a depression or a protrusion on the electronic display, a MEMS in the plurality of MEMS comprising:
a thin piezoelectric membrane configured to bend when a voltage is applied to the thin piezoelectric membrane;
an anchor to support the thin piezoelectric membrane at a proximal end of the anchor, and the anchor to prevent the thin piezoelectric membrane from bending at points of contact;
two electrodes in contact with the thin piezoelectric membrane to apply the voltage to the thin piezoelectric membrane without a third electrode disposed at a distal end of the anchor; and

a controller coupled to the haptic layer, the controller to activate at least one MEMS in the plurality of MEMS associated with the haptic layer.

2. The apparatus of claim 1 , the haptic layer comprising a plurality of electrodes corresponding to the plurality of MEMS, wherein activating at least two electrodes in the plurality of electrodes causes the corresponding one or more MEMS to create at least one of the depression or the protrusion.

3. The apparatus of claim 2 , a resolution associated with the plurality of electrodes corresponding to a resolution associated with the electronic display.

4. The apparatus of claim 1 , wherein the haptic layer comprises an optically transparent material.

5. The apparatus of claim 1 , comprising:
a cover layer defining the outer surface associated with the electronic display, the cover layer to create at least one of the depression or the protrusion when activated;
a touch sensor layer disposed beneath the cover layer; and
the haptic layer disposed between the cover layer and the touch sensor layer, the haptic layer to exert pressure on the cover layer to cause the cover layer to create at least one of the depression or the protrusion.

6. The apparatus of claim 1 , wherein the haptic layer defines the outer surface associated with the electronic display.

7. The apparatus of claim 1 , further comprising:
a processor coupled to the haptic layer, the processor configured to send an instruction to the controller to activate at least one MEMS in the plurality of MEMS, the instruction comprising an ID associated with at least two electrodes.

8. The apparatus of claim 7 , wherein the instruction further comprises the instruction to protrude, or the instruction to depress.

9. An apparatus to create a relief associated with an electronic display, the apparatus comprising:
a haptic layer disposed proximate to an outer surface associated with the electronic display, the haptic layer comprising a plurality of haptic elements to create the relief associated with the electronic display, the relief comprising a depression or a protrusion on the electronic display, a haptic element in the plurality of haptic elements comprising:
a thin piezoelectric membrane configured to bend when a voltage is applied to the thin piezoelectric membrane;
an anchor to support the thin piezoelectric membrane at a proximal end of the anchor, and the anchor to prevent the thin piezoelectric membrane from bending at points of contact;
two electrodes in contact with the thin piezoelectric membrane to apply the voltage to the thin piezoelectric membrane without a third electrode disposed at a distal end of the anchor; and

a controller coupled to the haptic layer, the controller to activate at least one haptic element in the plurality of haptic elements associated with the haptic layer.

10. The apparatus of claim 9 , the haptic layer comprising a plurality of electrodes corresponding to the plurality of haptic elements, wherein activating at least two electrodes in the plurality of electrodes causes the corresponding one or more haptic elements to create at least one of the depression or the protrusion, wherein the plurality of electrodes are communicatively coupled to the controller.

11. The apparatus of claim 9 , wherein the haptic layer comprises an optically transparent material.

12. The apparatus of claim 9 , wherein the haptic layer comprises:
a cover layer defining the outer surface associated with the electronic display, the cover layer comprising an elastically deformable material, the elastically deformable material to create the relief when activated.

13. The apparatus of claim 9 , wherein the haptic layer comprises:
a cover layer defining the outer surface associated with the electronic display, the cover layer comprising a plurality of substantially thermally insulated cells, each cell in the plurality of substantially thermally insulated cells comprising an elastically deformable material, the elastically deformable material to protrude in response to heat;
a thermal layer comprising a plurality of thermal elements, the plurality of thermal elements corresponding to the plurality of substantially thermally insulated cells, each thermal element in the plurality of thermal elements configured, when activated, to heat the corresponding thermally insulated cell; and
an electrode layer comprising a plurality of electrodes corresponding to the plurality of thermal elements, the plurality of electrodes to activate a thermal element in the plurality of thermal elements.

14. The apparatus of claim 9 , wherein the haptic layer comprises:
a device layer comprising a plurality of devices, each device in the plurality of devices configured, when activated, to protrude, or to depress;
a cover layer defining the outer surface associated with the electronic display, the cover layer coupled to the device layer, the cover layer to deform in response to the plurality of devices creating the relief; and
an electrode layer comprising a plurality of electrodes corresponding to the plurality of devices, the plurality of electrodes to activate a device in the plurality of devices.

15. The apparatus of claim 9 , wherein the haptic layer comprises:
a cover layer defining the outer surface associated with the electronic display, the cover layer comprising a plurality of substantially thermally insulated cells, each cell in the plurality of substantially thermally insulated cells comprising an elastically deformable material, the elastically deformable material to protrude in response to heat;
a thermal layer comprising a plurality of thermal elements, the plurality of thermal elements corresponding to the plurality of substantially thermally insulated cells, each thermal element in the plurality of thermal elements configured, when activated, to heat the corresponding thermally insulated cell;
a device layer comprising a plurality of devices, the plurality of devices corresponding to the plurality of substantially thermally insulated cells, each device in the plurality of devices configured, when activated, to protrude, or to depress; and
an electrode layer comprising a plurality of electrodes corresponding to the plurality of thermal elements, the plurality of electrodes to activate a thermal element in the plurality of thermal elements and to activate a device in the plurality of devices.

16. The apparatus of claim 9 , further comprising:
a processor coupled to the haptic layer, the processor configured to send an instruction to the controller to activate at least one haptic element in the plurality of haptic elements,

Assignees

• Essential Products Inc

Inventors

• Evans V David John
• Rubin Andrew E
• Jiang Xinrui
• Miao Xiaoyu
• Tate Joseph Anthony
• Hershenson Matthew
• Gagne-Keats Jason Sean
• Kolb Michael

Classifications

• H04N1/00411

  the display also being used for user input, e.g. touch screen · CPC title

• G06F3/016 Primary

  Input arrangements with force or tactile feedback as computer generated output to the user · CPC title

• G06F3/041

  Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means · CPC title

• G09G3/035

  for flexible display surfaces · CPC title

• G09B21/004

  Details of particular tactile cells, e.g. electro-mechanical or mechanical layout · CPC title