KR-20260062482-A - DISPLAY DEVICE

Abstract

Embodiments of the present disclosure relate to a display device, and more specifically, can provide a display device that reduces a boundary line and grid sensation visible between a first region and a second region by placing a first region including a first unit region including M active regions, a second region including a second unit region including N active regions and through which light can be transmitted, and a first boundary region including K active regions between the first region and the second region.

Inventors

• 김유훈
• 강찬규

Assignees

• 엘지디스플레이 주식회사

Dates

Publication Date

20260507

Application Date

20241029

Claims (20)

1. A substrate including a display area where an image is displayed; and It includes a plurality of pixels disposed on the above substrate, and The above display area is, A first region including a first unit region comprising M first active regions; A second unit region comprising N second active regions, and a second region through which light can be transmitted; and It includes a first boundary region located between the second region and the first region, and including a third unit region containing K third active regions, and A display device in which the first unit area, the second unit area, and the third unit area have the same size, and N is less than M, and K is greater than or equal to N and less than M.
2. In paragraph 1, The first unit area of the first area above is, It includes pixels placed in the M first active regions, and The second unit area of the second area mentioned above is, It includes pixels placed in the N second active regions mentioned above, and The regions excluding the above N second active regions do not include pixels but include transparent regions, and The third unit area of the first boundary area is, Pixels placed in the above K third active regions, and A display device comprising pixels placed in an area excluding the above K third active areas.
3. In paragraph 2, A display device in which pixels placed in areas excluding the above K third active areas are in a non-emissive state.
4. In paragraph 1, A display device in which the average brightness of the first unit area, the average brightness of the second unit area, and the average brightness of the third unit area are the same.
5. In paragraph 1, It further includes a second boundary region between the second region and the first boundary region, The above second boundary area includes a fourth unit area, and The above-mentioned fourth unit area is a display device comprising the above-mentioned N fourth active areas.
6. In the above paragraph 5, A display device in which the average brightness of the first unit area, the average brightness of the second unit area, the average brightness of the third unit area, and the average brightness of the fourth unit area are the same.
7. In paragraph 5, The fourth unit area of the second boundary area is, Pixels placed in the above N fourth active regions, and It includes pixels placed in the area excluding the above N fourth active areas, and A display device in which pixels placed in the area excluding the N fourth active areas among the above fourth unit areas are in a non-emissive state.
8. In paragraph 5, It further includes a third boundary region between the second boundary region and the first boundary region, The above third boundary area includes a fifth unit area, and The above-mentioned fifth unit area is a display device comprising the above-mentioned K fifth active areas.
9. In paragraph 7, the fifth unit area of the third boundary area is, Pixels placed in the above K fifth active regions, and It includes pixels placed in the area excluding the above K fifth active areas, A display device in which pixels placed in the area excluding the K fifth active areas among the above fifth unit areas are in a non-emissive state.
10. In the above Clause 9, A display device in which the average brightness of the first unit area, the average brightness of the second unit area, the average brightness of the third unit area, and the average brightness of the fifth unit area are the same as each other.
11. In Paragraph 9, The pixels placed in the N fourth active regions and the pixels placed in the region excluding the N fourth active regions are arranged in 2 rows and 2 columns within the fourth unit region, and The pixels placed in the K fifth active regions and the pixels placed in the region excluding the K fifth active regions are arranged in 2 rows and 2 columns within the fifth unit region, and The pixel in row 1, column 1 of the fourth unit area is brighter than the pixel in row 1, column 1 of the fifth unit area, and A display device in which the pixels in row 2, column 2 of the fourth unit area are darker than the pixels in row 2, column 2 of the fifth unit area.
12. In Paragraph 9, The pixels placed in the K fifth active regions and the pixels placed in the region excluding the K fifth active regions are arranged in 2 rows and 2 columns within the fifth unit region, and The pixels placed in the K third active regions and the pixels placed in the region excluding the K third active regions are arranged in 2 rows and 2 columns within the third unit region, and The pixel in row 1, column 1 of the fifth unit area is brighter than the pixel in row 1, column 1 of the third unit area, and A display device in which the pixels in row 2, column 2 of the fifth unit area are darker than the pixels in row 2, column 2 of the third unit area.
13. In paragraph 2, It further includes a fourth boundary region between the first boundary region and the first region, and The above-mentioned fourth boundary area includes a sixth unit area, and The above-mentioned sixth unit area is a display device comprising the above-mentioned M sixth active areas.
14. In the above Clause 13, The average brightness of the first unit area, the average brightness of the second unit area, the average brightness of the third unit area, and the average brightness of the sixth unit area are the same display device.
15. In Paragraph 13, The sixth unit area of the fourth boundary area is, A display device comprising pixels disposed in the M sixth active areas.
16. In paragraph 15, The pixels placed in the K third active regions and the pixels placed in the region excluding the K third active regions are arranged in 2 rows and 2 columns within the third unit region, and The pixels placed in the M sixth active regions are arranged in 2 rows and 2 columns within the sixth unit region, and The pixel in row 1, column 1 of the third unit area is brighter than the pixel in row 1, column 1 of the sixth unit area, and The pixel in row 1, column 2 of the third unit area is darker than the pixel in row 1, column 2 of the sixth unit area, and The pixel in row 2, column 1 of the third unit area is darker than the pixel in row 2, column 1 of the sixth unit area, and A display device in which the pixels in the 2nd row and 2nd column of the 3rd unit area are brighter than the pixels in the 2nd row and 2nd column of the 6th unit area.
17. In paragraph 15, The pixels placed in the M sixth active regions are arranged in 2 rows and 2 columns within the sixth unit region, and The pixels placed in the M first active regions are arranged in 2 rows and 2 columns within the first unit region, and The pixel in row 1, column 1 of the above-mentioned sixth unit area is brighter than the pixel in row 1, column 1 of the above-mentioned first unit area, and The pixel in row 1, column 2 of the above-mentioned sixth unit area is darker than the pixel in row 1, column 2 of the above-mentioned first unit area, and The pixel in row 2, column 1 of the above-mentioned sixth unit area is darker than the pixel in row 2, column 1 of the above-mentioned first unit area, and A display device in which the pixels in the 2nd row and 2nd column of the 6th unit area are brighter than the pixels in the 2nd row and 2nd column of the 1st unit area.
18. In paragraph 1, It further includes an electronic device disposed on the back surface of the above substrate, and The above electronic device is, A display device that overlaps with the second region and performs a predefined operation using light transmitted through the second region.
19. A substrate including a display area where an image is displayed; and It includes a plurality of pixels disposed on the above substrate, and The above display area is, A first region having a first resolution; A second region having a second resolution lower than the first resolution; and It includes a first boundary region having a third resolution lower than the first resolution and higher than the second resolution, and The number of pixels per unit area of the second region is less than the number of pixels per unit area of the first region, and A display device in which the number of pixels per unit area of the first boundary region is the same as the number of pixels per unit area of the first region.
20. In Paragraph 19, The average brightness of a unit area within the first region, the average brightness of a unit area within the second region, and the average brightness of a unit area within the first boundary region are the same display device.

Description

Display Device The embodiments of the present disclosure relate to a display device. As the information society develops, the demand for display devices to display images is increasing in various forms, and recently, various display devices such as liquid crystal displays and organic light-emitting diodes (OLEDs) are being utilized. In addition, the display device may provide a sensing function to perform functions based on the light of the surrounding environment. To this end, the display device must be equipped with various electronic devices (optical electronic devices), such as sensing sensors and image sensors (cameras). Since the electronic device must receive light from the front of the display device, a transparent area with a cathode hole formed in the cathode electrode of the area where the electronic device is placed is positioned. Since the transmission region replaces the light-emitting region where light-emitting elements are conventionally placed, the light-emitting characteristics of the region where the electronic device is placed differ from those of the region where it is not placed, so a boundary line between the two regions can be seen. FIG. 1 is a drawing showing a display device according to embodiments of the present disclosure. FIG. 2 is a drawing showing a case where a display device according to embodiments of the present disclosure is applied to a vehicle. FIG. 3 is a system configuration diagram of a display device according to embodiments of the present disclosure. FIG. 4 is a drawing showing a display panel according to embodiments of the present disclosure. FIG. 5 is a diagram showing the arrangement of pixels in a general area and an optical area included in the display area of a display panel according to embodiments of the present disclosure. Figure 6 is a cross-sectional view taken along the dashed line AA' of the general area and the dashed line BB' of the optical area shown in Figure 5. Figure 7 is a drawing showing an enlarged view of the Y region shown in Figure 5. FIG. 8 is a drawing showing a boundary region disposed between a general region and an optical region according to embodiments of the present disclosure. FIG. 9 is a diagram showing the luminance of pixels in each of the general area, optical area, and boundary area according to the embodiment shown in FIG. 8. FIG. 10 is a graph showing the change in brightness of pixels in each unit area included in the general area, optical area, and boundary area according to the embodiment shown in FIG. 8. FIG. 11 is a drawing showing a boundary region disposed between a general region and an optical region according to embodiments of the present disclosure. FIG. 12 is a diagram showing the luminance of pixels in each of the general area, optical area, and boundary area according to the embodiment shown in FIG. 11. FIG. 13 is a drawing showing another example of pixels placed in each of the general area, optical area, and boundary area according to the embodiment shown in FIG. 11. FIG. 14 is a graph showing the change in brightness of pixels in each of the general area, optical area, and boundary area according to the embodiment shown in FIG. 11. FIG. 15 is a drawing illustrating the effect of resolving the grid sensation in a boundary area according to embodiments of the present disclosure. FIG. 16 is a flowchart illustrating a method for calculating the luminance of each pixel of a boundary region according to embodiments of the present disclosure. Hereinafter, some embodiments of the present disclosure will be described in detail with reference to the exemplary drawings. In assigning reference numerals to the components of each drawing, the same components may have the same reference numeral as much as possible, even if they are shown in different drawings. Furthermore, in describing the present disclosure, if it is determined that a detailed description of related known components or functions may obscure the essence of the present disclosure, such detailed description may be omitted. Where terms such as "comprising," "having," or "consisting of" are used in this specification, other parts may be added unless "only" is used. Where a component is expressed in the singular, it may include a plural unless there is a special explicit description otherwise. Additionally, terms such as first, second, A, B, (a), (b), etc., may be used to describe the components of the present disclosure. These terms are used merely to distinguish the components from other components, and the nature, order, sequence, or number of the components are not limited by such terms. In describing the positional relationship of components, where it is stated that two or more components are "connected," "combined," or "joined," it should be understood that while the two or more components may be directly "connected," "combined," or "joined," they may also be "connected," "combined," or "joined" with other components "intervened." Here, the other comp