Panel for electronic device and electronic device

Patent metadata

Field	Value
Publication number	US-2025098390-A1
Application number	US-202418653130-A
Country	US
Kind code	A1
Filing date	May 2, 2024
Priority date	Sep 18, 2023
Publication date	Mar 20, 2025
Grant date	—

Abstract

A panel includes: a substrate, unit pixels arranged repeatedly on the substrate, and unit pixel circuits including a unit pixel circuit repeatedly arranged on the substrate and electrically connected to a unit pixel. Each unit pixel includes a red sub-pixel including a red optoelectronic element configured to display red color or detect red light, a green sub-pixel including a green optoelectronic element configured to display green color or detect green light, and a blue sub-pixel including a blue optoelectronic element configured to display blue color or detect blue light. Each unit pixel circuit includes a red pixel circuit electrically connected to the red optoelectronic element, a green pixel circuit electrically connected to the green optoelectronic element, and a blue pixel circuit electrically connected to the blue optoelectronic element. The red pixel circuit, the green pixel circuit, and the blue pixel circuit are stacked along a thickness direction of the substrate.

First claim

What is claimed is:

1 . A panel for an electronic device comprising:
a substrate, a plurality of unit pixels arranged repeatedly along a direction parallel to a major surface of the substrate, and a plurality of unit pixel circuits including a unit pixel circuit that is repeatedly arranged along the direction parallel to the major surface of the substrate and electrically connected to a corresponding unit pixel among the plurality of unit pixels, wherein each unit pixel includes:
a red sub-pixel including a red optoelectronic element configured to display red color or detect light in a red wavelength spectrum,
a green sub-pixel including a green optoelectronic element configured to display green color or detect light in a green wavelength spectrum, and
a blue sub-pixel including a blue optoelectronic element configured to display blue color or detect light in a blue wavelength spectrum,
wherein each unit pixel circuit includes:
a red pixel circuit electrically connected to the red optoelectronic element,
a green pixel circuit electrically connected to the green optoelectronic element, and
a blue pixel circuit electrically connected to the blue optoelectronic element, and
wherein the red pixel circuit, the green pixel circuit, and the blue pixel circuit are stacked each other along a thickness direction of the substrate.

2 . The panel for the electronic device of claim 1 , wherein
the red optoelectronic element, the green optoelectronic element, and the blue optoelectronic element are arranged side by side along the direction parallel to the major surface of the substrate, the red pixel circuit overlaps with the red optoelectronic element along the thickness direction of the substrate and additionally overlaps with at least one of the green optoelectronic element or the blue optoelectronic element, the green pixel circuit overlaps with the green optoelectronic element along the thickness direction of the substrate and additionally overlaps with at least one of the red optoelectronic element or the blue optoelectronic element, and the blue pixel circuit overlaps with the blue optoelectronic element along the thickness direction of the substrate and additionally overlaps with at least one of the red optoelectronic element or the green optoelectronic element.

3 . The panel for the electronic device of claim 2 , wherein
the red pixel circuit overlaps about 50% to about 100% of a total area of the red optoelectronic element, the green optoelectronic element, and the blue optoelectronic element, the green pixel circuit overlaps about 50% to about 100% of the total area of the red optoelectronic element, the green optoelectronic element, and the blue optoelectronic element, and the blue pixel circuit overlaps about 50% to about 100% of the total area of the red optoelectronic element, the green optoelectronic element, and the blue optoelectronic element.

4 . The panel for the electronic device of claim 1 , wherein each active layer of the red pixel circuit, the green pixel circuit, and the blue pixel circuit includes a two-dimensional material, oxide, silicon, an organic material, or a combination thereof.

5 . The panel for the electronic device of claim 4 , wherein each active layer of the red pixel circuit, the green pixel circuit, and the blue pixel circuit includes a monocrystalline or a monocrystalline-like two-dimensional material configured to be grown or deposited at temperatures from about 25° C. to about 400° C.

6 . The panel for the electronic device of claim 4 , wherein the two-dimensional material includes a two-dimensional inorganic compound, graphene, borophene, germanene, stanene, phosphorene, bismuthene, tellurene, metal chalcogenide, boron nitride, black phosphorus, a two-dimensional organic compound, a two-dimensional organic/inorganic compound or combinations thereof.

7 . The panel for the electronic device of claim 4 , wherein each active layer of the red pixel circuit, the green pixel circuit, and the blue pixel circuit includes 1 to 10 monolayers made of the two-dimensional material.

8 . The panel for the electronic device of claim 1 , wherein each thickness of the red pixel circuit, the green pixel circuit, and the blue pixel circuit is about 0.1 nanometers (nm) to about 3 micrometers (μm).

9 . The panel for the electronic device of claim 1 , wherein
the red pixel circuit, the green pixel circuit, and the blue pixel circuit are separated by an insulation layer, and each of the red pixel circuit, the green pixel circuit, and the blue pixel circuit is electrically connected to corresponding one of the red optoelectronic element, the green optoelectronic element, the blue optoelectronic element through a conductive material filled in a via-hole in the insulation layer.

10 . The panel for the electronic device of claim 1 , wherein
the plurality of unit pixel circuits includes a first unit pixel circuit and a second unit pixel circuit adjacent to each other in the thickness direction of the substrate, and the red pixel circuit, the green pixel circuit, and the blue pixel circuit included in the first unit pixel circuit, and the red pixel circuit, the green pixel circuit, and the blue pixel circuit included in the second unit pixel circuit are stacked each other along the thickness direction of the substrate.

11 . The panel for the electronic device of claim 10 , wherein
the plurality of unit pixels includes a first unit pixel and a second unit pixel adjacent to each other, the red optoelectronic element, the green optoelectronic element, and the blue optoelectronic element included the first unit pixel, and the red optoelectronic element, the green optoelectronic element, and the blue optoelectronic element included in the second unit pixel are arranged side by side along the direction parallel to the major surface of the substrate, the red pixel circuit of the first unit pixel circuit overlaps with about 50% to about 100% of a total area of the red optoelectronic element, the green optoelectronic element, and the blue optoelectronic element included the first unit pixel, and the red optoelectronic element, the green optoelectronic element, and the blue optoelectronic element included in the second unit pixel, the green pixel circuit of the first unit pixel circuit overlaps with about 50% to about 100% of the total area of the red optoelectronic element, the green optoelectronic element, and the blue optoelectronic element included the first unit pixel, and the red optoelectronic element, the green optoelectronic element, and the blue optoelectronic element included in the second unit pixel, and the blue pixel circuit of the first unit pixel circuit overlaps with about 50% to about 100% of the total area of the red optoelectronic element, the green optoelectronic element, and the blue optoelectronic element included the first unit pixel, and the red optoelectronic element, the green optoelectronic element, and the blue optoelectronic element included in the second unit pixel.

12 . The panel for the electronic device of claim 1 , wherein
each of the red optoelectronic element, the green optoelectronic element, the blue optoelectronic element is a light emitting diode or a photoelectric conversion diode, and each of the red pixel circuit, the green pixel circuit, and the blue pixel circuit includes a switching thin film transistor, a driving thin film transistor, a capacitor, or a combination thereof.

13 . The panel for the electronic device of claim 1 , further comprising a control circuit electrically connected to the plurality of unit pixel circuits,
wherein the control circuit inc

Assignees

• Samsung Electronics Co Ltd

Inventors

• Kim Joonseok
• Kim Joonyun
• Ryu Huije
• Lee Chang Seok
• Hu Luhing

Classifications

• H10W90/00

  Package configurations · CPC title

• G09G2300/0452

  Details of colour pixel setup, e.g. pixel composed of a red, a blue and two green components · CPC title

• H10D86/60

  wherein the TFTs are in active matrices · CPC title

• H10K59/124

  Insulating layers formed between TFT elements and OLED elements · CPC title

• H10K59/353

  characterised by the geometrical arrangement of the RGB subpixels · CPC title