Display panel and smart contact lens including the display panel

Patent metadata

Field	Value
Publication number	US-12411359-B2
Application number	US-202117515678-A
Country	US
Kind code	B2
Filing date	Nov 1, 2021
Priority date	Feb 22, 2021
Publication date	Sep 9, 2025
Grant date	Sep 9, 2025

Abstract

A display panel includes: a substrate including a first substrate region, a second substrate region surrounding at least a portion of the first substrate region, and a third substrate region being arranged between the first substrate region and the second substrate region and including a plurality of through portions spaced apart from each other; a display element arranged in the first substrate region, a connection wiring electrically connected to the display element and extending from the first substrate region to the second substrate region, and a pixel circuit arranged in the second substrate region, electrically connected to the connection wiring. An edge of the substrate that defines at least a portion of one of the plurality of through portions extends from the first substrate region to the second substrate region, and an extension direction of the edge changes at least twice in the third substrate region.

First claim

What is claimed is:

1. A display panel comprising:
a substrate including A smart contact lens comprising:
a first contact lens including an upper surface that includes a first region and a second region surrounding the first region; and
a display panel arranged on the upper surface of the first contact lens,
wherein the display panel includes:
a substrate including a first substrate region and a second substrate region, the first substrate region overlapping the first region, and the second substrate region overlapping the second region;
a display element arranged in the first substrate region;
a connection wiring electrically connected to the display element and extending from the first substrate region to the second substrate region; and
a pixel circuit arranged in the second substrate region, electrically connected to the connection wiring, and including at least one thin-film transistor and a storage capacitor, and
wherein the connection wiring is provided in a plurality and the plurality of connection wirings each extend from the first substrate region to the second substrate region.

2. A display panel comprising:
a substrate including The smart contact lens of claim 1 , wherein the display panel further includes a conductive pattern arranged in the first substrate region and electrically connected to the display element, the conductive pattern is electrically connected to the connection wiring, and a light transmittance of the conductive pattern is greater than a light transmittance of the connection wiring.

3. A display panel comprising:
a substrate including The smart contact lens of claim 1 , wherein the display panel further includes a data line and a scan line, the data line being configured to transfer a data signal, and the scan line being configured to transfer a scan signal, and
wherein the at least one thin-film transistor includes a switching thin-film transistor electrically connected to the data line and the scan line, and a driving thin-film transistor electrically connected to the switching thin-film transistor and the connection wiring.

4. A display panel comprising:
a substrate including The smart contact lens of claim 1 , wherein the upper surface of the first contact lens further includes a third region arranged between the first region and the second region,
wherein the substrate further includes a third substrate region overlapping the third region,
wherein the third substrate region includes a plurality of through portions spaced apart from each other, and
wherein an edge of the substrate that defines at least a portion of one of the plurality of through portions extends from the first substrate region to the second substrate region, and an extension direction of the edge changes at least twice in the third substrate region.

5. A display panel comprising:
a substrate including The smart contact lens of claim 1 , wherein the upper surface of the first contact lens further includes a third region arranged between the first region and the second region,
wherein the substrate further includes a third substrate region overlapping the third region,
wherein the display panel further includes an inorganic insulating layer arranged between the substrate and the display element, and
wherein the inorganic insulating layer includes an opening that overlaps the third substrate region.

6. A display panel comprising:
a substrate including The smart contact lens of claim 1 , further comprising:
a radio frequency antenna arranged in the second region; and
a battery arranged in the second region.

7. A display panel comprising:
a substrate including The smart contact lens of claim 1 , further comprising a second contact lens covering the display panel,
wherein the second contact lens includes a transmission area and a peripheral area, the transmission area overlapping the first region, and the peripheral area overlapping the second region, and
wherein a light transmittance of the second contact lens in the transmission area is greater than a light transmittance of the second contact lens in the peripheral area.

8. A display panel comprising:
a substrate including The smart contact lens of claim 1 , wherein the first contact lens includes elastomer.

9. A display panel comprising:
a substrate including The smart contact lens of claim 1 , wherein the plurality of connection wirings each extend in a serpentine shape from the first substrate region to the second substrate region.

10. A display panel comprising:
a substrate including The smart contact lens of claim 9 , wherein the display element is provided in a plurality and the plurality of display elements each include a pixel electrode, an intermediate layer, and an opposite electrode, and
wherein the opposite electrode of each of the plurality of display elements is provided as one body and is electrically connected to one of the plurality of connection wirings.

11. A display panel comprising:
a substrate including a first substrate region, a second substrate region, and a third substrate region, the second substrate region surrounding at least a portion of the first substrate region, and the third substrate region being arranged between the first substrate region and the second substrate region and including a plurality of through portions spaced apart from each other;
a display element arranged in the first substrate region;
a connection wiring electrically connected to the display element and extending from the first substrate region to second substrate region; and
a pixel circuit arranged in the second substrate region, electrically connected to the connection wiring and including at least one thin-film transistor and a storage capacitor,
wherein an edge of the substrate that defines at least a portion of one of the plurality of through portions extends from the first substrate region to the second substrate region, and an extension direction of the edge changes at least twice in the third substrate region.

12. A display panel comprising:
a substrate including The display panel of claim 11 , further comprising a conductive pattern arranged in the first substrate region and electrically connected to the display element,
wherein the conductive pattern is electrically connected to the connection wiring and a light transmittance of the conductive pattern is greater than a light transmittance of the connection wiring.

13. A display panel comprising:
a substrate including The display panel of claim 11 , further comprising:
a data line configured to transfer a data signal; and
a scan line configured to transfer a scan signal,
wherein the at least one thin-film transistor includes a switching thin-film transistor electrically connected to the data line and the scan line, and a driving thin-film transistor electrically connected to the switching thin-film transistor and the connection wiring.

14. A display panel comprising:
a substrate including The display panel of claim 11 , wherein the connection wiring extends in a serpentine shape.

15. A display panel comprising:
a substrate including The display panel of claim 11 , wherein the connection wiring is provided in a plurality, and
wherein the plurality of connection wirings each extend from the first substrate region to the second substrate region.

16. A display panel comprising:
a substrate including The display panel of claim 15 , wherein the display element is provided in a plurality and the plurality of display elements each include a pixel electrode, an intermediate layer, and an opposite electrode, and
wherein t

Assignees

• Samsung Display Co Ltd

Inventors

• Lee Junghun
• Lee Jiheon

Classifications

• H10K50/844

  Encapsulations · CPC title

• H10K59/00

  Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00 · CPC title

• H10D86/60

  wherein the TFTs are in active matrices · CPC title

• H10D86/443

  adapted for preventing breakage, peeling or short circuiting · CPC title

• H10D86/441

  Interconnections, e.g. scanning lines · CPC title