KR-20260065104-A - DISPLAY DEVICE AND ELECTRONIC APPARATUS INCLUDING THE SAME

Abstract

One embodiment of the present invention comprises a first-1 electrode pad and a first-2 electrode pad spaced apart from each other along a first direction, a second electrode pad spaced apart from the first-1 electrode pad and the first-2 electrode pad along a second direction intersecting the first direction, and including a first portion, a second portion adjacent to the first portion along the first direction, and a first connecting portion connecting the first portion and the second portion, a first light-emitting element electrically connected to the first-1 electrode pad through a first bump metal and electrically connected to the first portion of the second electrode pad through a second bump metal, and a second light-emitting element electrically connected to the first-2 electrode pad through a third bump metal and electrically connected to the second portion of the second electrode pad through the second bump metal, wherein the width of the first connecting portion in the second direction is smaller than the width of the first portion in the second direction. Starts.

Inventors

• 태창일
• 이규정
• 전형일

Assignees

• 삼성디스플레이 주식회사

Dates

Publication Date

20260508

Application Date

20241031

Claims (20)

1. A first-1 electrode pad and a first-2 electrode pad spaced apart from each other along a first direction; A second electrode pad spaced apart from the first-1 electrode pad and the first-2 electrode pad along a second direction intersecting the first direction, the second electrode pad is, Part 1; A second part adjacent to the first part along the first direction; and Includes a first connecting part connecting the first part and the second part ; A first light-emitting element electrically connected to the first-1 electrode pad through a first bump metal and electrically connected to the first portion of the second electrode pad through a second bump metal; and A second light-emitting element electrically connected to the first and second electrode pads through the third bump metal and electrically connected to the second portion of the second electrode pad through the second bump metal; A display device in which the width of the first connecting part in the second direction is smaller than the width of the first part in the second direction.
2. In paragraph 1, A common voltage line electrically connected to the second electrode pad; and It further includes an insulating layer between the second electrode pad and the common voltage line; A display device in which the first connection portion or the second connection portion of the second electrode pad is electrically connected to the common voltage line through the contact hole of the insulating layer.
3. In paragraph 1, The width of the first portion of the second electrode pad in the first direction is, A display device having substantially the same width as the first-1 electrode pad in the first direction.
4. In paragraph 1, The first portion of the second electrode pad is, A first-1 portion relatively close to the first-1 electrode pad; and It includes a first-2 portion relatively far from the first-1 electrode pad; and A display device in which the width of the first-1 portion in the first direction is smaller than the width of the first-2 portion in the first direction.
5. In paragraph 4, A display device in which the width of the second portion of the second electrode pad in the first direction is greater than the width of the first-1 portion in the first direction.
6. In paragraph 4, The second portion of the second electrode pad is, A 2-1 portion relatively close to the above 1-2 electrode pad; and It includes a second-2 portion relatively far from the first-2 electrode pad; and A display device in which the width of the 2-1 portion in the first direction is smaller than the width of the 2-2 portion in the first direction.
7. In paragraph 4, The width in the first direction of the portion relatively close to the first portion of the second electrode pad among the first-1 electrode pads is, A display device having a width in the first direction of a portion relatively far from the first portion of the second electrode pad among the first-1 electrode pads, which is smaller than the width of the first portion of the second electrode pad.
8. In Paragraph 7, The width in the first direction of the portion relatively close to the first portion of the second electrode pad among the first-1 electrode pads is, A display device having substantially the same width as the first-1 portion in the first direction.
9. In paragraph 1, The above second bump metal is a display device comprising gold, nickel, or indium.
10. In Paragraph 7, A display device in which the first bump metal and the third bump metal each comprise the same material as the second bump metal.
11. A display device comprising a display area and a non-display area outside the display area, A first island section located in the above-mentioned display area; A first bridge section connecting the first island section and another first island section adjacent to the first island section; First electrode pads disposed in the first island portion and spaced apart from each other along a first direction; A second electrode pad disposed in the first island portion and spaced apart from the first electrode pads along a second direction intersecting the first direction, the second electrode pad is, A first part, a second part, and a third part spaced apart from each other along the first direction above; A first connecting part connecting the first part and the second part; and Includes a second connecting part connecting the second part and the third part; Light-emitting elements electrically connected to the corresponding first electrode pad among the first electrode pads and the corresponding portion among the first to third portions of the second electrode pad; A display device in which the width of the first connecting part in the second direction and the width of the second connecting part in the second direction are each smaller than the width of the second part in the second direction.
12. In Paragraph 11, It further includes a common voltage line electrically connected to the second electrode pad, and A display device in which the connection point between the second electrode pad and the common voltage line corresponds to at least one of the first connection portion and the second connection portion of the second electrode pad.
13. In Paragraph 11, The first portion of the second electrode pad is, A first-1 portion relatively close to the first electrode pads; and It includes a first-2 portion relatively far from the first electrode pads; A display device in which the width of the first-1 portion in the first direction is smaller than the width of the first-2 portion in the first direction.
14. In Paragraph 13, A display device in which the width of the second portion of the second electrode pad in the first direction is greater than the width of the first-1 portion in the first direction.
15. In Paragraph 13, The second portion of the second electrode pad is, A second-1 portion relatively close to the first electrode pads; and It includes a second-2 portion relatively far from the first electrode pads; A display device in which the width of the 2-1 portion in the first direction is smaller than the width of the 2-2 portion in the first direction.
16. In Paragraph 13, Among the first electrode pads above, the first electrode pad adjacent to the first portion of the second electrode pad is, It includes a portion relatively close to the first portion of the second electrode pad and a portion relatively far from the first portion of the second electrode pad. The width in the first direction of the portion of the second electrode pad that is relatively close to the first portion is, A display device having a width in the first direction of a portion relatively far from the first portion of the second electrode pad that is smaller than the width of the second portion.
17. In Paragraph 11, The above second bump metal is a display device comprising gold, nickel, or indium.
18. As an electronic device including a display unit, the electronic device is, A display device is included, wherein the display device is, A first-1 electrode pad and a first-2 electrode pad spaced apart from each other along a first direction; A second electrode pad spaced apart from the first-1 electrode pad and the first-2 electrode pad along a second direction intersecting the first direction, and comprising a first portion, a second portion adjacent to the first portion along the first direction, and a first connecting portion connecting the first portion and the second portion; A first light-emitting element electrically connected to the first-1 electrode pad through a first bump metal and electrically connected to the first portion of the second electrode pad through a second bump metal; and A second light-emitting element electrically connected to the first and second electrode pads through the third bump metal and electrically connected to the second portion of the second electrode pad through the second bump metal; An electronic device in which the width of the first connecting part in the second direction is smaller than the width of the first part in the second direction.
19. In Paragraph 18, The above display device is, A common voltage line electrically connected to the second electrode pad; and It further includes an insulating layer between the second electrode pad and the common voltage line; An electronic device in which the first connecting portion of the second electrode pad is electrically connected to the common voltage line through the contact hole of the insulating layer.
20. In paragraph 20, The electronic device wherein the first bump metal, the second bump metal, and the third bump metal each comprise gold, nickel, or indium.

Description

Display device and electronic apparatus including the same Embodiments of the present invention relate to a display device, such as a flexible display device, and an electronic device including the same. As display devices that visually display electrical signals advance, various display devices with excellent characteristics such as thinness, lightness, and low power consumption are being introduced. For example, flexible display devices that can be folded or rolled into a roll shape are being introduced. Recently, research and development on display devices of various structures, such as stretchable display devices that can change into various shapes, is actively underway. FIG. 1 is a schematic perspective view of a display device according to one embodiment of the present invention. FIGS. 2a and FIGS. 2b are perspective views showing the display device of FIG. 1 extended in a first direction. FIG. 2c is a perspective view showing the display device of FIG. 1 extended in a second direction. FIG. 2d is a perspective view showing the display device of FIG. 1 extended in the first direction and the second direction. FIG. 2e is a perspective view showing the display device of FIG. 1 extended in a third direction. FIG. 3 is a schematic plan view of a display device according to one embodiment of the present invention. FIG. 4a is a plan view of part IV of FIG. 3 as a part of a display device according to one embodiment of the present invention. FIG. 4b is a plan view of part IV of FIG. 3 as a part of a display device according to one embodiment of the present invention. FIG. 4c is a plan view of the IV portion of FIG. 3 as a part of a display device according to one embodiment of the present invention. FIG. 5 is a cross-sectional view schematically showing a first island portion and a first bridge portion disposed in the display area of a display device according to one embodiment of the present invention. FIGS. 6a to 6c are equivalent circuit diagrams of subpixels of a display device according to one embodiment of the present invention. FIG. 7 is a schematic plan view showing the first island portion of a display device according to one embodiment of the present invention. FIG. 8 is a cross-sectional view of a first island portion of a display device according to one embodiment of the present invention, corresponding to a cross-sectional view along line VIII-VIII' of FIG. 7. FIG. 9 is a plan view showing the first and second electrode pads and light-emitting diodes arranged in the first island portion of a display device according to one embodiment of the present invention. FIG. 10 is a plan view showing first and second electrode pads and light-emitting diodes arranged in the first island portion of a display device according to one embodiment of the present invention. FIG. 11 is a plan view showing first and second electrode pads and light-emitting diodes arranged in a first island portion of a display device according to an embodiment of the present invention. FIG. 12 is a plan view showing the first and second electrode pads and light-emitting diodes arranged in the first island portion of a display device according to one embodiment of the present invention. FIGS. 13a to 13g are schematic perspective views illustrating embodiments of an electronic device including a display device according to one embodiment of the present invention. The present invention is capable of various modifications and may have various embodiments; specific embodiments are illustrated in the drawings and described in detail in the detailed description. The effects and features of the present invention, and the methods for achieving them, will become clear by referring to the embodiments described below in detail together with the drawings. However, the present invention is not limited to the embodiments disclosed below but can be implemented in various forms. Hereinafter, embodiments of the present invention will be described in detail with reference to the attached drawings. When describing with reference to the drawings, identical or corresponding components are given the same reference numerals, and redundant descriptions thereof will be omitted. In the following examples, terms such as first, second, etc. are used not in a limiting sense, but for the purpose of distinguishing one component from another component. In the following examples, singular expressions include plural expressions unless the context clearly indicates otherwise. In the following embodiments, terms such as "include" or "have" mean that the features or components described in the specification are present, and do not preclude the possibility that one or more other features or components may be added. In the following embodiments, when a part such as a film, region, or component is described as being on or above another part, it includes not only cases where it is directly on top of another part, but also cases where another film, region, or component is in