Display device

Patent metadata

Field	Value
Publication number	US-12507526-B2
Application number	US-202217992998-A
Country	US
Kind code	B2
Filing date	Nov 23, 2022
Priority date	Nov 23, 2021
Publication date	Dec 23, 2025
Grant date	Dec 23, 2025

Abstract

A display device includes a substrate including a first auxiliary area and a second auxiliary, the first auxiliary area includes first pixel areas disposed in a matrix and first transmission areas disposed between the first pixel areas and the second auxiliary area includes second pixel areas disposed in a matrix and second transmission areas disposed between the second pixel areas; first conductive patterns respectively disposed on the first pixel areas; and second conductive patterns respectively disposed on the second pixel areas, and a number of first conductive patterns per unit area is greater than a number of second conductive patterns per unit area.

First claim

What is claimed is:

1 . A display device comprising:
a substrate including:
a first auxiliary area; and
a second auxiliary area, wherein the first auxiliary area includes first pixel areas disposed in a matrix and first transmission areas disposed between the first pixel areas, and the second auxiliary area includes second pixel areas disposed in a matrix and second transmission areas disposed between the second pixel areas;
first conductive patterns respectively disposed on the first pixel areas; and second conductive patterns respectively disposed on the second pixel areas, wherein a number of first conductive patterns per unit area is greater than a number of second conductive patterns per unit area.

2 . The display device of claim 1 , wherein a size of each of the first conductive patterns is less than a size of each of the second conductive patterns.

3 . The display device of claim 1 , wherein a first separation distance between first conductive patterns adjacent to each other in a row direction or a column direction from among the first conductive patterns is less than a second separation distance between second conductive patterns adjacent to each other in the row direction or the column direction from among the second conductive patterns.

4 . The display device of claim 1 , wherein a size of each of the first transmission areas is less than a size of each of the second transmission areas.

5 . The display device of claim 1 , further comprising:
first auxiliary pixels respectively disposed on the first conductive patterns; and second auxiliary pixels respectively disposed on the second conductive patterns.

6 . The display device of claim 5 , wherein
each of the first auxiliary pixels includes first auxiliary sub-pixels, each of the second auxiliary pixels includes second auxiliary sub-pixels, and a number of first auxiliary sub-pixels in each of the first auxiliary pixels is different from a number of second auxiliary sub-pixels in each of the second auxiliary pixels.

7 . The display device of claim 6 , wherein the number of first auxiliary sub-pixels in each of the first auxiliary pixels is less than the number of second auxiliary sub-pixels in each of the second auxiliary pixels.

8 . The display device of claim 1 , wherein a main area surrounding at least portions of the first auxiliary area and the second auxiliary area is defined on the substrate, a resolution of the main area is higher than a resolution of the first auxiliary area and a resolution of the second auxiliary area, and the resolution of the first auxiliary area is higher than the resolution of the second auxiliary area.

9 . The display device of claim 1 , further comprising:
first connection patterns electrically connecting first conductive patterns adjacent to each other in a row direction from among the first conductive patterns; second connection patterns electrically connecting first conductive patterns adjacent to each other in a column direction from among the first conductive patterns; third connection patterns electrically connecting second conductive patterns adjacent to each other in the row direction from among the second conductive patterns; and fourth connection patterns electrically connecting second conductive patterns adjacent to each other in the column direction from among the second conductive patterns.

10 . The display device of claim 1 , further comprising:
a transistor disposed on the substrate, the transistor including a semiconductor layer and a gate electrode at least partially overlapping the semiconductor layer in a plan view, wherein the first conductive patterns and the second conductive patterns are disposed between the substrate and the semiconductor layer.

11 . The display device of claim 1 , further comprising:
a first component disposed below the first auxiliary area that receives light in a first wavelength band; and a second component disposed below the second auxiliary area that receives light in a second wavelength band that is different from the first wavelength band.

12 . The display device of claim 11 , wherein
the first wavelength band is a visible ray wavelength band, and the second wavelength band is an infrared wavelength band.

13 . A display device comprising:
a substrate including:
a first auxiliary area;
a second auxiliary area; and
a main area, wherein the first auxiliary area includes a first transmission area, the second auxiliary area includes a second transmission area, and the main area surrounds at least portions of the first auxiliary area and the second auxiliary area; main display elements disposed on the main area and emitting light of a first color; first auxiliary display elements disposed on the first auxiliary area and emitting light of the first color; and second auxiliary display elements disposed in the second auxiliary area and emitting light of the first color, wherein a number of main display elements per unit area is greater than a number of first auxiliary display elements per unit area and a number of second auxiliary display elements per unit area, and the number of first auxiliary display elements per unit area is less than the number of second auxiliary display elements per unit area.

14 . The display device of claim 13 , wherein
an emission area of each of the main display elements is less than an emission area of each of the first auxiliary display elements and an emission area of each of the second auxiliary display elements, and the emission area of each of the first auxiliary display elements is different from the emission area of each of the second auxiliary display elements.

15 . The display device of claim 14 , wherein the emission area of each of the first auxiliary display elements is greater than the emission area of each of the second auxiliary display elements.

16 . The display device of claim 13 , further comprising:
main pixel circuits electrically connected to the main display elements, respectively; first auxiliary pixel circuits electrically connected to the first auxiliary display elements, respectively; and second auxiliary pixel circuits electrically connected to the second auxiliary display elements, respectively, wherein the main display elements at least partially overlap the main pixel circuits in a plan view, the first auxiliary display elements are spaced apart from the first auxiliary pixel circuits, and the second auxiliary display elements are spaced apart from the second auxiliary pixel circuits.

17 . The display device of claim 16 , wherein a first length of each of the first auxiliary pixel circuits in a direction is greater than a second length of each of the second auxiliary pixel circuits in the direction.

18 . The display device of claim 16 , further comprising:
first connection lines respectively electrically connecting the first auxiliary display elements to the first auxiliary pixel circuits and at least partially overlapping the first auxiliary area in the plan view; and second connection lines respectively electrically connecting the second auxiliary display elements to the second auxiliary pixel circuits and at least partially overlapping the second auxiliary area in the plan view, wherein the first connection lines and the second connection lines include a transparent conductive oxide.

19 . The display device of claim 13 , further comprising:
a first component disposed below the first auxiliary area that receives light in a first wavelength ban

Assignees

• Samsung Display Co Ltd

Inventors

• BOK Seunglyong
• Yoo Jewon
• Baek Seungin

Classifications

• H10K59/65

  OLEDs integrated with inorganic image sensors · CPC title

• H10K59/131

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

• H10K59/60

  OLEDs integrated with inorganic light-sensitive elements, e.g. with inorganic solar cells or inorganic photodiodes · CPC title

• H10K59/179

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

• H10K59/352

  the areas of the RGB subpixels being different · CPC title