KR-102962710-B1 - Display device and electric apparatus

KR102962710B1KR 102962710 B1KR102962710 B1KR 102962710B1KR-102962710-B1

Abstract

According to one aspect of the present invention, a display device is provided having a substrate having a first display area, a second display area including transparent areas, and a non-display area; main pixel electrodes located on the substrate in the first display area; auxiliary pixel electrodes located on the substrate in the second display area; a first metal layer; and at least one reflection-reducing layer overlapping with the first metal layer, and a shielding layer located between the substrate and the auxiliary pixel electrodes and having an opening overlapping with the transparent areas.

Inventors

심용섭
한연호
홍종범
김리향
유영준

Assignees

삼성디스플레이 주식회사

Dates

Publication Date: 20260508
Application Date: 20201105

Claims (20)

A substrate having a first display area, a second display area including transparent areas, and a non-display area; Main pixel electrodes located on the upper part of the substrate in the first display area; Auxiliary pixel electrodes located on the upper surface of the substrate in the second display area; and A shielding layer comprising a first metal layer and at least one reflection-reducing layer overlapping the first metal layer, positioned between the substrate and the auxiliary pixel electrodes, and having an opening overlapping the transmission regions; Equipped with, The above at least one reflection-reducing layer is, A display device comprising a second metal layer located below the first metal layer and an inorganic layer located between the first metal layer and the second metal layer.
In paragraph 1, The above at least one reflection-reducing layer is, A display device comprising a light absorption layer located between the first metal layer and the substrate, wherein the light absorption rate is greater than the light absorption rate of the first metal layer.
In paragraph 2, A display device comprising amorphous silicon, wherein the light absorption layer described above comprises amorphous silicon.
In paragraph 2, A display device in which, when viewed from a direction perpendicular to the upper surface of the substrate, the edge of the first metal layer coincides with the edge of the light absorption layer.
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In paragraph 1, A display device in which the thickness of the second metal layer in a direction perpendicular to the upper surface of the substrate is thinner than the thickness of the first metal layer in a direction perpendicular to the upper surface of the substrate.
In paragraph 6, A display device comprising the same material as the first metal layer and the second metal layer.
In paragraph 1, The above at least one reflection-reducing layer is, A display device further comprising a light absorption layer located between the first metal layer and the inorganic layer, the light absorption rate being greater than the light absorption rate of the first metal layer.
In paragraph 8, A display device comprising amorphous silicon in the light absorption layer above.
In paragraph 8, A display device in which, when viewed from a direction perpendicular to the upper surface of the substrate, the edge of the first metal layer coincides with the edge of the light absorption layer and the edge of the inorganic layer coincides with the edge of the light absorption layer.
In paragraph 1, The above substrate is, A display device comprising a first base layer, a first barrier layer located on the first base layer, a second base layer located on the first barrier layer, a second barrier layer located on the second base layer, and a third barrier layer located on the second barrier layer with a refractive index smaller than the refractive index of the second barrier layer.
In Paragraph 11, The above at least one reflection-reducing layer is, A display device comprising a high-refractive index layer located between the first metal layer and the third barrier layer, the high-refractive index of which is greater than the refractive index of the third barrier layer.
In Paragraph 12, The difference between the refractive index of the third barrier layer and the refractive index of the second barrier layer is 0.3 or greater, and A display device in which the difference between the refractive index of the third barrier layer and the refractive index of the high refractive index layer is 0.3 or greater.
In Paragraph 12, A display device in which, when viewed from a direction perpendicular to the upper surface of the substrate, the edge of the high-refractive index layer coincides with the edge of the first metal layer.
In Paragraph 12, The above at least one reflection-reducing layer is, A display device further comprising a light absorption layer located between the first metal layer and the high refractive index layer, the light absorption rate being greater than the light absorption rate of the first metal layer.
In paragraph 15, A display device comprising amorphous silicon in the light absorption layer above.
In paragraph 15, A display device in which, when viewed from a direction perpendicular to the upper surface of the substrate, the edge of the first metal layer coincides with the edge of the light absorption layer, and the edge of the high refractive index layer coincides with the edge of the light absorption layer.
In paragraph 1, A bottom absorption layer located on the lower surface of the substrate and overlapping with the shielding layer when viewed from a direction perpendicular to the upper surface of the substrate; A display device further comprising
In Paragraph 18, A display device in which the above-mentioned lower absorption layer comprises MTO (molybdenum tantalum oxide).
In Paragraph 18, A lower inorganic layer located on the lower surface of the above-mentioned lower absorption layer; A display device further comprising

Description

Display device and electric apparatus Embodiments of the present invention relate to display devices and electronic devices, and more specifically, to a display device having a transparent area and an electronic device equipped with the same. Recently, display devices have become more diverse in their applications. In addition, there is a trend of display devices becoming thinner and lighter, expanding their range of use. As the display area occupied by display devices expands, various functions integrated or linked to the display device are being added. As a means to add diverse functions while expanding the area, research is continuing on display devices that possess an area for adding various functions, in addition to the function of displaying images within the display area. FIG. 1 is a perspective view schematically illustrating a display device according to one embodiment of the present invention. FIG. 2 is a cross-sectional view schematically illustrating a portion of the cross-section of a display device according to one embodiment of the present invention. FIG. 3 is a plan view schematically illustrating a part of a display panel equipped with a display device according to one embodiment of the present invention. FIG. 4 is an equivalent circuit diagram of a pixel circuit provided by a display device according to one embodiment of the present invention. FIG. 5 is a plan view schematically illustrating a part of a display device according to one embodiment of the present invention. FIG. 6 is a cross-sectional view schematically illustrating a part of a display device according to one embodiment of the present invention. FIG. 7 is a cross-sectional view schematically illustrating a portion of a shielding layer provided by a display device according to one embodiment of the present invention. FIG. 8 is a cross-sectional view schematically illustrating a portion of a shielding layer provided by a display device according to another embodiment of the present invention. FIG. 9 is a cross-sectional view schematically illustrating a portion of a shielding layer provided by a display device according to another embodiment of the present invention. FIG. 10 is a cross-sectional view schematically illustrating a portion of a shielding layer provided by a display device according to another embodiment of the present invention. FIG. 11 is a cross-sectional view schematically illustrating a portion of a shielding layer provided by a display device according to another embodiment of the present invention. FIG. 12 is a cross-sectional view schematically illustrating a portion of the lower absorption layer provided by a display device according to one embodiment of the present invention. FIG. 13 is a cross-sectional view schematically illustrating a portion of the lower absorption layer provided by a display device according to another embodiment of the present invention. FIG. 14 is a plan view schematically illustrating a part of a display panel equipped with a display device according to one embodiment of the present invention. FIG. 15 is a cross-sectional view schematically illustrating a part of 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 embodiments, 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 interposed in between. In the drawings, the size of components may be exaggerated or reduced for convenience of explanation. For example, the size and thickness of each component