Display panel and display apparatus including the same

Patent metadata

Field	Value
Publication number	US-2024184390-A1
Application number	US-202418414930-A
Country	US
Kind code	A1
Filing date	Jan 17, 2024
Priority date	Dec 24, 2019
Publication date	Jun 6, 2024
Grant date	—

Abstract

A display panel includes a main display area, and a component area including a transmission area. The display panel includes a substrate including a groove disposed in the transmission area in a depth direction of the substrate; main display elements disposed above the substrate in the main display area; main pixel circuits electrically connected to the main display elements; and auxiliary display elements disposed above the substrate in the component area; and auxiliary pixel circuits electrically connected to the auxiliary display elements.

First claim

What is claimed is:

1 . A display panel comprising:
a substrate including a main display area and a component area, the component area including a transmission area; main display elements disposed on the substrate in the main display area, the main display elements arranged in a pentile matrix structure; main pixel circuits electrically connected to the main display elements; auxiliary display elements disposed on the substrate in the component area, the auxiliary display elements arranged in a pentile matrix structure; auxiliary pixel circuits electrically connected to the auxiliary display elements; a transparent electrode layer disposed on the substrate in the component area connecting one of the auxiliary pixel circuits to one of the auxiliary display elements; a thin-film encapsulation layer disposed over the main display elements and the auxiliary display elements and comprising a first inorganic encapsulation layer, an organic encapsulation layer, and a second inorganic encapsulation layer; a touch buffer layer directly disposed on the thin-film encapsulation layer; and a touch electrode disposed on the touch buffer layer, wherein at least one of light emitting areas of the auxiliary display elements does not overlap with the auxiliary pixel circuits in a plan view, and a portion of the touch electrode is not disposed in the transmission area.

2 . The display panel of claim 1 , wherein
the main display elements include at least four main subpixels comprising a red main subpixel, a blue main subpixel and two green main subpixels, the red main subpixel and the blue main subpixel are arranged on a first row, the two green main subpixels are arranged on a second row, the auxiliary display elements include at least four auxiliary subpixels comprising a red auxiliary subpixel, a blue auxiliary subpixel and two green auxiliary subpixels, the red auxiliary subpixel and the blue auxiliary subpixel are arranged on the first row, and the two green auxiliary subpixels are arranged on the second row.

3 . The display panel of claim 2 , wherein
the four main subpixels arranged at a four vertexes of a virtual main parallelogram, and the four auxiliary subpixels arranged at a four vertexes of a virtual auxiliary parallelogram.

4 . The display panel of claim 3 , wherein a resolution of the main display area is about 400 ppi.

5 . The display panel of claim 1 , wherein each of the auxiliary display elements and each of the main display elements are an organic light-emitting diode, the organic light-emitting diode includes a stack of a pixel electrode, an emission layer, and an opposite electrode.

6 . The display panel of claim 1 , further comprising:
a camera below the substrate.

7 . A display panel comprising:
a substrate including a main display area and a component area, the component area including a transmission area; main display elements disposed on the substrate in the main display area, the main display elements arranged in a first pixel arrangement; main pixel circuits electrically connected to the main display elements; auxiliary display elements disposed on the substrate in the component area, the auxiliary display elements arranged in a second pixel arrangement; auxiliary pixel circuits electrically connected to the auxiliary display elements; a thin-film encapsulation layer disposed over the main display elements and the auxiliary display elements and comprising a first inorganic encapsulation layer, an organic encapsulation layer, and a second inorganic encapsulation layer; a touch buffer layer directly disposed on the thin-film encapsulation layer; a touch screen layer disposed on the touch buffer layer in the main display area and in the component area; a color filter and a black matrix on the touch screen layer in the main display area and in the component area; and a bottom metal layer disposed between the substrate and the auxiliary pixel circuit, wherein the bottom metal layer comprises a bottom-hole in the transmission area, the bottom-hole has a polygonal shape having eight or more sides or has a circular shape in a plan view, the auxiliary pixel circuits overlap with the auxiliary display elements in a plan view, the auxiliary display elements include auxiliary subpixels which include a first auxiliary subpixel emitting a first color, the main display elements include main subpixels which include a first main subpixel emitting the first color, a size of the first auxiliary subpixel is greater than a size of the first main subpixel, and the first pixel arrangement structure is different from the second pixel arrangement structure.

8 . The display panel of claim 7 , wherein
a plurality of pixel groups corresponding to groups of the auxiliary display elements are disposed in the component area, and the plurality of pixel groups and the plurality of transmission areas alternate with each other.

9 . The display panel of claim 7 , further comprising:
an opposite electrode that is disposed in the main display elements and the auxiliary display elements, wherein the opposite electrode comprises a first opening in the transmission area.

10 . The display panel of claim 7 , further comprising:
data lines and scan lines in the main display area and in the component area, wherein the data lines and scan lines overlap with the bottom metal layer in the component area in a plan view.

11 . The display panel of claim 10 , wherein at least two adjacent data lines or at least two adjacent scan lines are gathered in the component area to expand the transmission area.

12 . The display panel of claim 11 , wherein a predetermined number of the scan lines are disposed on a different layer form the layer on which the scan lines.

13 . The display panel of claim 7 , wherein
the main display elements include at least four main subpixels comprising a red main subpixel, a blue main subpixel and two green main subpixels, the red main subpixel and the blue main subpixel are arranged on a first row, and the two green main subpixels are arranged on a second row.

14 . The display panel of claim 13 , wherein
the auxiliary display elements include at least three auxiliary subpixels comprising a red auxiliary subpixel, a blue auxiliary subpixel and a green auxiliary subpixel, the second pixel arrangement is a pentile matrix structure, a S-stripe structure, a stripe structure, a mosaic arrangement structure or delta arrangement structure, and at least one of the auxiliary subpixels is substantially rectangular shape.

15 . A display panel comprising:
a substrate including a main display area and a component area, the component area including a transmission area; main display elements disposed on the substrate in the main display area, the main display elements arranged in a pentile matrix structure; main pixel circuits electrically connected to the main display elements; auxiliary display elements disposed on the substrate in the component area, the auxiliary display elements arranged in a pentile matrix structure; auxiliary pixel circuits electrically connected to the auxiliary display elements; a thin-film encapsulation layer disposed over the main display elements and the auxiliary display elements and comprising a first inorganic encapsulation layer, an organic encapsulation layer, and a second inorganic encapsulation layer; a touch buffer layer directly disposed on the thin-film encapsulation layer; a touch electrode disposed on the touch buffer layer; and a bottom metal layer disposed between the substrate and the auxi

Assignees

• Samsung Display Co Ltd

Inventors

• BOK Seunglyong
• Jeon Yongje
• Kim Songi
• Park Okkyung
• Son Youngran
• Lee Dongho
• Lee Seunghoon

Classifications

• Y02E10/549

  Organic PV cells · CPC title

• G09G2300/0452

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

• G09G2300/0426

  Layout of electrodes and connections · CPC title

• G06F2203/04112

  Electrode mesh in capacitive digitiser: electrode for touch sensing is formed of a mesh of very fine, normally metallic, interconnected lines that are almost invisible to see. This provides a quite large but transparent electrode surface, without need for ITO or similar transparent conductive material · CPC title

• G09G3/3233

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