KR-20260063369-A - DISPLAY PANEL AND DISPLAY DEVICE INCLUDING THE SAME

Abstract

The present embodiment discloses a display panel and a display device including the same, wherein the first pixel area, the second pixel area, and the boundary pixel area disposed between the first pixel area and the second pixel area are each composed of a plurality of pixels, and the boundary pixel area and the second pixel area are each composed of a plurality of subpixels, and the boundary pixel area and the second pixel area are each composed of a plurality of light-emitting portions between the plurality of subpixels, and a plurality of first lenses, a plurality of second lenses, and a plurality of third lenses are each disposed on the plurality of subpixels of the first pixel area, the boundary pixel area, and the second pixel area, and the lens size gradually increases from the plurality of first lenses to the plurality of second lenses and the plurality of third lenses.

Inventors

• 최광현
• 김창수
• 김성영

Assignees

• 엘지디스플레이 주식회사

Dates

Publication Date

20260507

Application Date

20241030

Claims (20)

1. It includes a first pixel area, a second pixel area, and a boundary pixel area disposed between the first pixel area and the second pixel area, The first pixel region, the boundary pixel region, and the second pixel region include a plurality of pixels composed of a plurality of sub-pixels, and The above boundary pixel region and the above second pixel region include a plurality of light-emitting portions between the plurality of subpixels, and A plurality of first lenses are disposed in the first pixel area, a plurality of second lenses are disposed in the boundary pixel area, and a plurality of third lenses are disposed in the second pixel area. A display panel in which the lens size gradually increases from the plurality of first lenses to the plurality of second lenses and the plurality of third lenses.
2. In paragraph 1, A display panel in which the lengths of the first to third lenses are arranged to become longer as they go from the first lenses through the second lenses to the third lenses.
3. In paragraph 1, A display panel in which the thickness of the first to third lenses is arranged to become thicker as it goes from the first lens through the second lens to the third lens.
4. In paragraph 1, A display panel in which the areas of the first to third lenses are arranged to become larger as they go from the first lenses through the second lenses to the third lenses.
5. In paragraph 1, The first to third lenses above comprise a stacked structure of a high-refractive index material layer and a low-refractive index flattening layer, forming a display panel.
6. In paragraph 1, The first to third lenses above are a display panel comprising a plurality of share lenses and switchable privacy mode lenses (SPML).
7. In paragraph 6, A display panel in which the plurality of share lenses include bar-type lenses, and the plurality of switchable privacy lenses include hemispherical-type lenses.
8. In paragraph 1, A display panel in which the plurality of first lenses are disposed on the subpixel of the first pixel area, the plurality of second lenses are disposed on the subpixel of the boundary pixel area, and the plurality of third lenses are disposed on the subpixel of the second pixel area.
9. In paragraph 1, A display device wherein the plurality of first to third lenses comprises at least one hemispherical lens and a bar-type lens.
10. In paragraph 1, A display panel further comprising a plurality of dummy lenses disposed in a first light-emitting portion of the above boundary pixel area.
11. In Paragraph 10, A display panel further comprising a plurality of dummy lenses disposed in a second light-emitting portion of the second pixel area.
12. A display panel comprising a first pixel area, a second pixel area, and a boundary pixel area disposed between the first pixel area and the second pixel area; and A circuit layer connected to pixels disposed in the first and second pixel regions and the boundary pixel region of the display panel; comprising The pixels of the first pixel region, the boundary pixel region, and the second pixel region include a plurality of subpixels, The above boundary pixel region and the above second pixel region include a plurality of light-emitting portions between the plurality of subpixels, and A plurality of first lenses are disposed in the first pixel area, a plurality of second lenses are disposed in the boundary pixel area, and a plurality of third lenses are disposed in the second pixel area. A display device in which the lens size increases in a gradient from the plurality of first lenses to the plurality of second lenses and the plurality of third lenses.
13. In Paragraph 11, A display device in which the lengths of the first to third lenses are arranged to become longer as they go from the first lenses through the second lenses to the third lenses.
14. In Paragraph 11, A display device in which the thickness of the first to third lenses is arranged to become thicker as it goes from the first lens through the second lens to the third lens.
15. In Paragraph 12, A display device comprising the first to third lenses and at least one switchable privacy mode lens (SPML) and a share lens.
16. In paragraph 15, A display device wherein the above-mentioned share lens includes a bar-type lens, and the above-mentioned at least one switchable privacy lens includes a hemispherical-type lens.
17. In Paragraph 12, A display device wherein the plurality of first lenses are disposed on the subpixel of the first pixel area, the plurality of second lenses are disposed on the subpixel of the boundary pixel area, and the plurality of third lenses are disposed on the subpixel of the second pixel area.
18. In Paragraph 12, A display device wherein the plurality of first to third lenses comprises at least one hemispherical lens and a bar-type lens.
19. In Article 12, A display device further comprising a plurality of dummy lenses disposed in a first light-emitting portion of the boundary pixel area.
20. In Article 19, A display device further comprising a plurality of dummy lenses disposed in a second light-emitting portion of the second pixel area.

Description

Display panel and display device including the same This specification relates to a display panel and a display device including the same. Electroluminescent display devices are broadly classified into inorganic light-emitting displays and organic light-emitting displays depending on the material of the light-emitting layer. Active matrix type organic light-emitting displays include self-emissive Organic Light Emitting Diodes (hereinafter referred to as “OLED”) and have the advantages of fast response speed, high luminous efficiency, brightness, and high viewing angle. In organic light-emitting displays, an OLED (Organic Light Emitting Diode, referred to as “OLED”) is formed on each pixel. Organic light-emitting displays not only have fast response speeds, excellent luminous efficiency, brightness, and viewing angles, but also excellent contrast ratio and color reproduction because they can express black gradations as perfect black. FIG. 1 is a drawing showing an optical element that overlaps with a second pixel area of a display panel according to an embodiment of the present specification. FIG. 2 is a drawing showing an example of optical elements arranged in a second pixel area and a notch area of a display panel according to an embodiment of the present specification. FIG. 3 is an enlarged plan view of a portion of a display panel according to one embodiment of the present specification. FIG. 4 is a plan view of the arrangement of a plurality of lenses of a display panel according to one embodiment of the present specification. FIG. 5 is an enlarged plan view of the arrangement of a plurality of lenses of a display panel according to one embodiment of the present specification. FIG. 6 is a cross-sectional view showing first and second pixel regions and boundary pixel regions in a display panel according to one embodiment of the present specification. FIG. 7 is an enlarged cross-sectional view showing lenses arranged in a gradation in each pixel area of a display panel according to one embodiment of the present specification. FIG. 8 is an enlarged cross-sectional view showing a pixel area and a light-emitting part of a display panel according to one embodiment of the present specification. FIG. 9 is a drawing showing the color difference improvement effect of the boundary pixel area of a display panel according to one embodiment of the present specification. FIG. 10 is a plan view of the arrangement of a plurality of lenses of a display panel according to another embodiment of the present specification. FIG. 11 is an enlarged plan view of the arrangement of a plurality of lenses in each pixel area of a display panel according to another embodiment of the present specification. FIG. 12 is a cross-sectional view of each pixel area of a display panel according to another embodiment of the present specification. FIG. 13 is an enlarged cross-sectional view showing lenses arranged in a gradation in each pixel area of a display panel according to another embodiment of the present specification. FIG. 14 is a drawing showing first to third panel sections in a full dashboard type display device according to another embodiment of the present specification. FIG. 15 is a cross-sectional view showing the first and second pixel regions and the boundary pixel region of the first and second panel portions of FIG. 14. FIG. 16 is an enlarged cross-sectional view showing lenses arranged in a gradation in each pixel area of the display panel of FIG. 15. FIG. 17 is a cross-sectional view showing the first and second pixel regions and the boundary pixel region of the third panel portion of FIG. 14. FIG. 18 is an enlarged cross-sectional view showing lenses arranged in a gradation in each pixel area of the third panel section of FIG. 17. The advantages and features of this specification and the methods for achieving them will become clear by referring to the embodiments described below in detail together with the accompanying drawings. However, this specification is not limited to the embodiments disclosed below but may be implemented in various different forms, and these embodiments are provided merely to ensure that the disclosure of this specification is complete and to fully inform those skilled in the art of the scope of the invention. Shapes, sizes, ratios, angles, numbers, etc. disclosed in the drawings for explaining the embodiments of this specification are exemplary and are not limited to the depicted items. Throughout the specification, the same reference numerals refer to the same components. Furthermore, in describing this specification, if it is determined that a detailed description of related prior art could unnecessarily obscure the essence of this specification, such detailed description is omitted. Where terms such as “comprising,” “having,” or “consisting of” are used in this specification, other parts may be added unless terms such as “only” are used. Where a component is expressed in the singular, it inclu