Apparatus Having Touch and Bending Sensing Functions
US-2016253031-A1 · Sep 1, 2016 · US
Flexible touch panel including a bonding layer
US9977524B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9977524-B2 |
| Application number | US-201514643166-A |
| Country | US |
| Kind code | B2 |
| Filing date | Mar 10, 2015 |
| Priority date | Mar 13, 2014 |
| Publication date | May 22, 2018 |
| Grant date | May 22, 2018 |
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- Title
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- Abstract
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- Assignees and inventors
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- First independent claim
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- CPC / IPC classifications
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- Citations and related patents
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Abstract
Official abstract text for this publication.
A flexible touch panel that achieves both thinness and high detection sensitivity. In the flexible touch panel obtained by attaching a flexible display panel and a flexible touch sensor with a bonding layer, the bonding layer has a Young's modulus of 1 kPa to 300 kPa, a thickness of 0.1 mm to 1 mm, and a transmittance of 70% or more.
First claim
Opening claim text (preview).
What is claimed is: 1. A flexible touch panel comprising: a display panel; a touch sensor; and a bonding layer, wherein the display panel and the touch sensor are flexible, wherein the bonding layer is between the display panel and the touch sensor, wherein the bonding layer has a Young's modulus greater than or equal to 1 kPa and less than or equal to 50 kPa, and wherein the bonding layer has a thickness greater than or equal to 0.1 mm and less than or equal to 1 mm. 2. The flexible touch panel according to claim 1 , wherein the touch sensor is a capacitive touch sensor. 3. The flexible touch panel according to claim 1 , wherein the display panel comprises an organic EL element. 4. The flexible touch panel according to claim 1 , wherein the bonding layer has a compression set of 50% or less. 5. The flexible touch panel according to claim 4 , wherein the bonding layer has a penetration greater than 75. 6. The flexible touch panel according to claim 1 , wherein the bonding layer is a gel. 7. The flexible touch panel according to claim 1 , wherein the bonding layer has a transmittance of 90% or more. 8. A flexible touch panel comprising: a display panel comprising: a pixel portion comprising a first transistor over a flexible substrate; and a driver portion comprising a second transistor over the flexible substrate; a touch sensor; and a bonding layer, wherein the display panel and the touch sensor are flexible, wherein the bonding layer is between the display panel and the touch sensor, wherein the bonding layer has a Young's modulus greater than or equal to 1 kPa and less than or equal to 50 kPa, wherein the bonding layer has a thickness greater than or equal to 0.1 mm and less than or equal to 1 mm, wherein the touch sensor is a capacitive touch sensor, and wherein the display panel comprises an organic EL element. 9. The flexible touch panel according to claim 8 , wherein the bonding layer has a compression set of 50% or less. 10. The flexible touch panel according to claim 9 , wherein the bonding layer has a penetration greater than 75. 11. The flexible touch panel according to claim 8 , wherein the bonding layer is a gel. 12. The flexible touch panel according to claim 8 , wherein the bonding layer has a transmittance of 90% or more. 13. The flexible touch panel according to claim 8 , wherein the first transistor and the second transistor comprise an oxide semiconductor. 14. A flexible touch panel comprising: a display panel comprising a first transistor; a touch sensor comprising a second transistor and a capacitor; and a bonding layer, wherein the display panel and the touch sensor are flexible, wherein the bonding layer is between the display panel and the touch sensor, wherein the bonding layer has a Young's modulus greater than or equal to 1 kPa and less than or equal to 50 kPa, and wherein the bonding layer has a thickness greater than or equal to 0.1 mm and less than or equal to 1 mm. 15. The flexible touch panel according to claim 14 , wherein the touch sensor is a capacitive touch sensor. 16. The flexible touch panel according to claim 14 , wherein the display panel comprises an organic EL element. 17. The flexible touch panel according to claim 14 , wherein the bonding layer has a compression set of 50% or less. 18. The flexible touch panel according to claim 17 , wherein the bonding layer has a penetration greater than 75. 19. The flexible touch panel according to claim 14 , wherein the bonding layer is a gel. 20. The flexible touch panel according to claim 14 , wherein the bonding layer has a transmittance of 90% or more. 21. The flexible touch panel according to claim 14 , wherein the first transistor and the second transistor comprise an oxide semiconductor.
Assignees
Inventors
Classifications
Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices · CPC title
- G06F3/0412Primary
Digitisers structurally integrated in a display · CPC title
Flexible digitiser, i.e. constructional details for allowing the whole digitising part of a device to be flexed or rolled like a sheet of paper · CPC title
- G06F3/044Primary
by capacitive means · CPC title
OLEDs integrated with touch screens · CPC title
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What does patent US9977524B2 cover?
- A flexible touch panel that achieves both thinness and high detection sensitivity. In the flexible touch panel obtained by attaching a flexible display panel and a flexible touch sensor with a bonding layer, the bonding layer has a Young's modulus of 1 kPa to 300 kPa, a thickness of 0.1 mm to 1 mm, and a transmittance of 70% or more.
- Who is the assignee on this patent?
- Semiconductor Energy Lab
- What technology area does this patent fall under?
- Primary CPC classification G06F3/0412. Mapped technology areas include Physics.
- When was this patent published?
- Publication date Tue May 22 2018 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 3 related publications on this page (citations in our corpus or others sharing the same primary CPC).