KR-102963143-B1 - DISPLAY DEVICE

KR102963143B1KR 102963143 B1KR102963143 B1KR 102963143B1KR-102963143-B1

Abstract

A display device includes a light-emitting region in which a light-emitting element is disposed and a non-light-emitting region adjacent to the light-emitting region, and includes an input sensor comprising a display panel for displaying an image and a sensing electrode disposed on the display panel and having an opening defined to partially expose the light-emitting region, wherein the sensing electrode includes a first touch electrode disposed in overlap with the non-light-emitting region and a second touch electrode that overlaps the light-emitting region and the non-light-emitting region and is electrically connected to the first touch electrode.

Inventors

박용환
박소연
김광혁
김미영
전상현

Assignees

삼성디스플레이 주식회사

Dates

Publication Date: 20260512
Application Date: 20201005

Claims (20)

A display panel that displays an image, comprising a light-emitting region in which a light-emitting element is disposed and a non-light-emitting region adjacent to the light-emitting region; and It includes an input sensor comprising a sensing electrode disposed on the above-mentioned display panel and having an opening defined therein that partially exposes the light-emitting region, and The above sensing electrode is, A first touch electrode disposed overlapping the above non-luminous region; A second touch electrode superimposed on the light-emitting region and the non-light-emitting region and electrically connected to the first touch electrode; and It includes a sensing insulating layer disposed on the first touch electrode and the second touch electrode, and The second touch electrode includes a lower surface adjacent to the display panel, an upper surface facing the lower surface, and a side surface connecting the lower surface and the upper surface. The above side is a display device that contacts the sensing insulating layer in the light-emitting region.
In claim 1, the light-emitting element is, A first light-emitting element that emits a first light of a first wavelength band; A second light-emitting element that emits second light in a second wavelength band different from the first wavelength band; and It includes a third light-emitting element that emits third light in a third wavelength band different from the first and second wavelength bands, and The above-mentioned light-emitting region is, A first light-emitting region in which the first light-emitting element is disposed; A second light-emitting region in which the second light-emitting element is disposed; and A display device comprising a third light-emitting region in which the above-mentioned third light-emitting element is disposed.
In claim 2, the second touch electrode is, A first sensing portion overlapping at least one of the first to third light-emitting regions; and A display device comprising a second sensing portion connected to the first sensing portion and overlapping with the non-luminous region.
In claim 3, the second sensing portion is a display device positioned spaced apart from the first touch electrode and the non-luminous region.
In claim 2, the second touch electrode is, A first portion overlapping the first light-emitting region; A second portion overlapping the second light-emitting region; and A display device comprising a third portion that overlaps the third light-emitting region.
In Article 5, A display device in which the width of at least one of the first to third parts is wider than the width of the other parts.
In Article 6, The first light is red light, the second light is green light, and the third light is blue light, and The width of the third part is wider than the width of the first and second parts, and A display device in which the width of the first part is wider than the width of the second part.
In Article 7, The area of the third light-emitting region is larger than the area of the first light-emitting region and the area of the second light-emitting region, and A display device in which the area of the first light-emitting region is larger than the area of the second light-emitting region.
In claim 1, the display panel is, A display device further comprising an encapsulation layer disposed on the light-emitting element.
In claim 9, the input sensor is a display device directly disposed on the encapsulation layer.
A display device according to claim 1, further comprising an adhesive film disposed between the display panel and the input sensor.
A display panel that displays an image, comprising a light-emitting region in which a light-emitting element is disposed and a non-light-emitting region adjacent to the light-emitting region; and It includes an input sensor comprising a sensing electrode disposed on the above-mentioned display panel and having an opening defined therein that partially exposes the light-emitting region, and The sensing electrode above is a touch electrode disposed overlapping the light-emitting region and the non-light-emitting region; and It includes a sensing insulating layer disposed on the above-mentioned touch electrode, and The touch electrode includes a lower surface adjacent to the display panel, an upper surface facing the lower surface, and a side surface connecting the lower surface and the upper surface. The above side is a display device that contacts the sensing insulating layer in the light-emitting region.
In claim 12, the light-emitting element is, A first light-emitting element that emits a first light of a first wavelength band; A second light-emitting element that emits second light in a second wavelength band different from the first wavelength band; and It includes a third light-emitting element that emits third light in a third wavelength band different from the first and second wavelength bands, and The above-mentioned light-emitting region is, A first light-emitting region in which the first light-emitting element is disposed; A second light-emitting region in which the second light-emitting element is disposed; and A display device comprising a third light-emitting region in which the above-mentioned third light-emitting element is disposed.
In claim 13, the touch electrode is, A first sensing portion overlapping at least one of the first to third light-emitting regions; and A display device comprising a second sensing portion connected to the first sensing portion and overlapping with the non-luminous region.
In claim 13, the touch electrode is, A first portion overlapping the first light-emitting region; A second portion overlapping the second light-emitting region; and A display device comprising a third portion that overlaps the third light-emitting region.
In Article 15, A display device in which the width of at least one of the first to third parts is wider than the width of the other parts.
In Article 16, The first light is red light, the second light is green light, and the third light is blue light, and The width of the third part is wider than the width of the first and second parts, and A display device in which the width of the first part is wider than the width of the second part.
In Article 17, The area of the third light-emitting region is larger than the area of the first light-emitting region and the area of the second light-emitting region, and A display device in which the area of the first light-emitting region is larger than the area of the second light-emitting region.
In claim 12, the display panel is, It further includes an encapsulation layer disposed on the light-emitting element, and The above input sensor is a display device placed directly on the above encapsulation layer.
A display device according to claim 12, further comprising an adhesive film disposed between the display panel and the input sensor.

Description

Display Device The present invention relates to a display device, and more specifically, to a display device having an input sensor. Multimedia electronic devices such as televisions, mobile phones, tablet computers, navigation systems, and game consoles are equipped with display devices for displaying images. In addition to conventional input methods such as buttons, keyboards, and mice, these electronic devices may be equipped with input sensors that provide a touch-based input method, enabling users to easily and intuitively input information or commands. FIG. 1 is a perspective view of a display device according to one embodiment of the present invention. FIG. 2 is an exploded perspective view of a display device according to one embodiment of the present invention. FIG. 3 is a cross-sectional view of a display device cut along the cutting line I-I' shown in FIG. 2. FIG. 4 is a plan view of a display panel according to one embodiment of the present invention. FIG. 5 is a plan view of an input sensor according to one embodiment of the present invention. FIG. 6 is a cross-sectional view of a display panel according to one embodiment of the present invention. FIGS. 7a to 7c are enlarged plan views showing a portion of the input sensor corresponding to FF' in FIG. 5. FIG. 8a is a cross-sectional view of a display module cut along the cutting line II-II' shown in FIG. 7a. FIG. 8b is a cross-sectional view of a display module cut along the cutting line Ⅲ-Ⅲ' shown in FIG. 7c. FIGS. 9a to 10b are enlarged plan views illustrating a portion of an input sensor corresponding to FF' of FIG. 5 according to an embodiment of the present invention. FIG. 11 is an enlarged plan view showing a portion of an input sensor corresponding to FF' of FIG. 5 according to an embodiment of the present invention. FIG. 12 is a plan view of an input sensor according to one embodiment of the present invention. FIG. 13 is a cross-sectional view of an input sensor according to one embodiment of the present invention. FIG. 14 is a cross-sectional view of a display module cut along the cutting line Ⅳ-Ⅳ' shown in FIG. 12. In this specification, where a component (or region, layer, part, etc.) is described as being "on," "connected," or "combined" with another component, it means that it may be directly placed/connected/combined with the other component, or that a third component may be placed between them. Identical reference numerals denote identical components. Additionally, in the drawings, the thicknesses, proportions, and dimensions of the components are exaggerated for the effective illustration of the technical content. "And/or" includes all one or more combinations that the associated configurations can define. Terms such as "first," "second," etc., may be used to describe various components, but said components should not be limited by said terms. These terms are used solely for the purpose of distinguishing one component from another. For example, without departing from the scope of the present invention, the first component may be named the second component, and similarly, the second component may be named the first component. A singular expression includes a plural expression unless the context clearly indicates otherwise. Additionally, terms such as "below," "lower side," "above," and "upper side" are used to describe the relationships between the components depicted in the drawings. These terms are relative concepts and are described based on the directions indicated in the drawings. Unless otherwise defined, all terms used herein (including technical and scientific terms) have the same meaning as generally understood by those skilled in the art to which the present invention pertains. Additionally, terms such as those defined in commonly used dictionaries should be interpreted as having a meaning consistent with their meaning in the context of the relevant technology, and may be explicitly defined herein unless interpreted in an ideal or overly formal sense. Terms such as "include" or "have" are intended to specify the existence of the features, numbers, steps, actions, components, parts, or combinations thereof described in the specification, and should be understood as not precluding the existence or addition of one or more other features, numbers, steps, actions, components, parts, or combinations thereof. Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a perspective view of a display device according to one embodiment of the present invention, and FIG. 2 is an exploded perspective view of a display device according to one embodiment of the present invention. FIG. 3 is a cross-sectional view of a display device cut along the cutting line I-I' shown in FIG. 2. Referring to FIGS. 1 to 3, the display device (DD) may be a device that is activated according to an electrical signal. The display device (DD) may include various embodiments. For example, the display devic