Display apparatus

Patent metadata

Field	Value
Publication number	US-12550552-B2
Application number	US-202217978833-A
Country	US
Kind code	B2
Filing date	Nov 1, 2022
Priority date	Jan 17, 2022
Publication date	Feb 10, 2026
Grant date	Feb 10, 2026

Abstract

A display apparatus includes a substrate including a component area, a first adjacent area and a second adjacent area arranged with the component area therebetween, and a main area at least partially surrounding the component area and the adjacent areas in plan view, a first display element in the component area and including a pixel electrode, an emission layer on the pixel electrode, and a counter electrode, a second display element, a first pixel circuit electrically connected to the first display element, and a second pixel circuit electrically connected to the second display element, in the adjacent area, a signal wiring in the component area, adjacent to the pixel electrode, and extending in a first direction from a boundary where the component area contacts the first adjacent area, and a connection wiring adjacent to the pixel electrode and electrically connecting the first display element to the first pixel circuit.

First claim

What is claimed is:

1 . A display apparatus comprising: a substrate comprising a component area, an adjacent area comprising a first adjacent area and a second adjacent area, wherein the component area is arranged between the first adjacent area and the second adjacent area, and a main area at least partially surrounding the component area and the adjacent area in plan view, the component area, the first adjacent area, the second adjacent area respectively comprising pixels for displaying an image, and the component area having a transmittance that is greater than a transmittance of the first adjacent area or the second adjacent area; a first display element in the component area and comprising a pixel electrode, an emission layer on the pixel electrode, and a counter electrode; a second display element, a first pixel circuit electrically connected to the first display element, and a second pixel circuit electrically connected to the second display element, in the adjacent area; a signal wiring in the component area, adjacent to the pixel electrode, and extending in a first direction from a boundary where the component area contacts the first adjacent area; and a connection wiring adjacent to the pixel electrode and electrically connecting the first display element to the first pixel circuit.

2 . The display apparatus of claim 1 , wherein the first pixel circuit comprises a first thin film transistor and a second thin film transistor,
wherein the first thin film transistor comprises a first semiconductor layer, a first gate electrode, an upper electrode, and a first source-drain electrode, wherein the second thin film transistor comprises a second semiconductor layer, a second gate electrode, and a second source-drain electrode, and wherein the connection wiring comprises connection wiring lines comprising a same material as the first gate electrode, the upper electrode, the second gate electrode, or the first source-drain electrode.

3 . The display apparatus of claim 2 , further comprising a first organic insulating layer, a second organic insulating layer, and a third organic insulating layer that are sequentially stacked between the first pixel circuit and the first display element,
wherein the connection wiring lines further comprise a transparent connection wiring between the second organic insulating layer and the third organic insulating layer and comprising a transparent conductive material.

4 . The display apparatus of claim 3 , wherein the component area comprises a first boundary area contacting the first adjacent area, a second boundary area contacting the second adjacent area, and a central area between the first boundary area and the second boundary area,
wherein one of the connection wiring lines having an end portion in the central area comprises a transparent conductive material, and wherein another of the connection wiring lines having an end portion in the first boundary area or the second boundary area comprises a metal material.

5 . The display apparatus of claim 2 , wherein the signal wiring comprises signal wiring lines comprising a same material as the first gate electrode, the upper electrode, or the second gate electrode.

6 . The display apparatus of claim 5 , wherein some of the connection wiring lines and some of the signal wiring lines overlap each other in the plan view.

7 . The display apparatus of claim 5 , wherein some of the connection wiring lines comprise partial connection wiring lines comprising a same material as the first gate electrode, the upper electrode, the second gate electrode, or the first source-drain electrode.

8 . The display apparatus of claim 1 , wherein the signal wiring comprises signal wiring lines, and
wherein a number of the signal wiring lines is the same at a boundary where the component area contacts the first adjacent area as at the boundary where the component area contacts the second adjacent area.

9 . The display apparatus of claim 1 , further comprising connection data lines arranged in the component area and extending in a second direction crossing the first direction,
wherein the component area comprises a first boundary area contacting the first adjacent area, a second boundary area contacting the second adjacent area, and a central area between the first boundary area and the second boundary area, and wherein the connection data lines overlap the first boundary area or the second boundary area.

10 . The display apparatus of claim 9 , further comprising a first organic insulating layer and a second organic insulating layer that are sequentially stacked between the first pixel circuit and the first display element,
wherein the connection data lines comprise a lower data line below the first organic insulating layer, and an upper data line between the first organic insulating layer and the second organic insulating layer.

11 . The display apparatus of claim 1 , further comprising:
a first adjacent data line in the adjacent area and electrically connected to the first pixel circuit; and a second adjacent data line in the adjacent area and electrically connected to the second pixel circuit.

12 . The display apparatus of claim 11 , wherein the first adjacent data line and the second adjacent data line respectively comprise first adjacent data lines and second adjacent data lines that are alternately arranged.

13 . The display apparatus of claim 11 , wherein the first adjacent data line is integrated circuit (IC) mapped corresponding to a location of the first display element.

14 . The display apparatus of claim 1 , wherein the first display element comprises first display elements, and
wherein the display apparatus further comprises an auxiliary wiring that electrically connects any one of the first display elements to another of the first display elements.

15 . A display apparatus comprising:
a substrate comprising a component area, an adjacent area comprising a first adjacent area and a second adjacent area, wherein the component area is arranged between the first adjacent area and the second adjacent area, and a main area at least partially surrounding the component area and the adjacent area in plan view; a first display element in the component area and comprising a pixel electrode, an emission layer on the pixel electrode, and a counter electrode; a second display element, a first pixel circuit electrically connected to the first display element, and a second pixel circuit electrically connected to the second display element, in the adjacent area; a signal wiring in the component area, adjacent to the pixel electrode, and extending in a first direction from a boundary where the component area contacts the first adjacent area; and a connection wiring adjacent to the pixel electrode and electrically connecting the first display element to the first pixel circuit, wherein the connection wiring comprises connection wiring lines, and wherein a number of the connection wiring lines decreases as a distance from any one of respective boundaries, where the component area contacts the first adjacent area and the second adjacent area, toward a center of the component area increases.

16 . A display apparatus comprising:
a substrate comprising a component area, an adjacent area comprising a first adjacent area and a second adjacent area, wherein the component area is arranged between the first adjacent area and the second adjacent area, and a main area at least partially surrounding the component area and the adjacent area in plan view; a first display element in the component area and com

Assignees

• Samsung Display Co Ltd

Inventors

• Park Hyungjun
• Moon Joongsoo
• An Junyong
• Um Nuree

Classifications

• H10K59/121 Primary

  characterised by the geometry or disposition of pixel elements · CPC title

• H10K59/80515

  characterised by their shape · CPC title

• G09G2300/0426

  Layout of electrodes and connections · CPC title

• G09G3/3233

  with pixel circuitry controlling the current through the light-emitting element · CPC title

• H10K59/131 Primary

  Interconnections, e.g. wiring lines or terminals · CPC title