US-12622144-B2 - Display device

Abstract

Disclosed is a display device including a first pixel including three subpixels respectively connected to first to third data lines arranged in a first direction and connected to a first gate line arranged in a second direction, a second pixel including three subpixels respectively connected to the first to third data lines and connected to a second gate line, a third pixel including three subpixels respectively connected to the first to third data lines and connected to a third gate line, and a fourth pixel including three subpixels respectively connected to the first to third data lines and connected to a fourth gate line, wherein emission areas and circuit areas included in the first pixel and the fourth pixel are inverted compared to emission areas and circuit areas included in the second pixel and the third pixel.

Inventors

• Seung Hwan SHIN
• Byung Sam MIN
• In Yeong KONG

Assignees

• LG DISPLAY CO., LTD.

Dates

Publication Date

20260505

Application Date

20241119

Priority Date

20231228

Claims (17)

1. 1 . A display device comprising: a first pixel including three subpixels respectively connected to a first data line, a second data line, and a third data line that are arranged in a first direction and connected to a first gate line arranged in a second direction; a second pixel including three subpixels respectively connected to the first data line, the second data line, and the third data line and connected to a second gate line spaced apart from the first gate line in the second direction; a third pixel including three subpixels respectively connected to the first data line, the second data line, and the third data line and connected to a third gate line spaced apart from the second gate line in the second direction; and a fourth pixel including three subpixels respectively connected to the first data line, the second data line, and the third data line and connected to a fourth gate line spaced apart from the third gate line in the second direction, wherein emission areas and circuit areas included in the first pixel and the fourth pixel are inverted compared to emission areas and circuit areas included in the second pixel and the third pixel.
2. 2 . The display device according to claim 1 , wherein at least one of the first data line, the second data line, or the third gate line traverses the emission areas.
3. 3 . The display device according to claim 1 , wherein each of the first data line, the second data line, and the third data line includes a plurality of data connection lines arranged in the second direction that provides electrical connection to the three subpixels included in each of the first pixel, the second pixel, and the third pixel, wherein the data connection lines traverse the emission areas.
4. 4 . The display device according to claim 3 , wherein: the first data line, the second data line, and the third data line are formed based on a lower metal layer located as a lowermost layer on a substrate; and the data connection lines are formed based on a semiconductor layer located above the lower metal layer.
5. 5 . The display device according to claim 1 , wherein each of the first data line, the second data line, and the third data line includes: two data lines spaced apart from each other; and a connection electrode that electrically connects the two data lines.
6. 6 . The display device according to claim 1 , further comprising: a first reference line, a second reference line, and a third reference line arranged in the first direction and respectively connected to the first pixel, the second pixel, and the third pixel, wherein: each of the first reference line, the second reference line, and the third reference line includes a plurality of reference connection lines arranged in the second direction that provides electrical connection to the first pixel, the second pixel, and the third pixel; and the reference connection lines traverse the emission areas.
7. 7 . The display device according to claim 6 , wherein: the first data line, the second data line, and the third data line are formed based on a lower metal layer located as a lowermost layer on a substrate; and the reference connection lines are formed based on a semiconductor layer located above the lower metal layer.
8. 8 . A display device comprising: a display panel including a plurality of pixels, each of the pixels including a red subpixel, a green subpixel, and a blue subpixel; and a driver that, in operation, drives the display panel, wherein: a plurality of red data connection lines and a plurality of blue data connection lines that respectively connect the red subpixels and the blue subpixels to a red data line and a blue data line are completely symmetrical to each other horizontally and vertically; and a plurality of green data connection lines that connect the green subpixels to a green data line are pseudosymmetrical horizontally and vertically with respect to the green data line.
9. 9 . The display device according to claim 8 , wherein the display panel includes: a plurality of gate lines respectively connected to the pixels; a plurality of data connection lines that connect the pixels to the red data line, the blue data line, and the green data line; and a plurality of reference connection lines that connect the pixels to a plurality of reference lines, and wherein at least one of the gate lines, at least one of the data connection lines, and at least one of the reference connection lines traverse emission areas of the pixels.
10. 10 . The display device according to claim 9 , wherein: the pixels include a first pixel arranged adjacent to a first data line, a second pixel arranged adjacent to a second data line, and a third pixel arranged adjacent to a third data line; and the pixels are charged with a data voltage output from the driver in an order of the third pixel, the first pixel, and the second pixel.
11. 11 . A method of manufacturing a display device, the method comprising: connecting three subpixels included in a first pixel to a first data line, a second data line, and a third data line, respectively, wherein the first data line, the second data line, and the third data line are arranged in a first direction; connecting the three subpixels included in the first pixel to a first gate line arranged in a second direction; connecting three subpixels included in a second pixel to the first data line, the second data line, and the third data line, respectively; connecting the three subpixels included in the second pixel to a second gate line spaced apart from the first gate line in the second direction; connecting three subpixels included in a third pixel to the first data line, the second data line, and the third data line, respectively; connecting the three subpixels included in the third pixel to a third gate line spaced apart from the second gate line in the second direction; connecting three subpixels included in a fourth pixel to the first data line, the second data line, and the third data line, respectively; and connecting the three subpixels included in the fourth pixel to a fourth gate line spaced apart from the third gate line in the second direction, wherein emission areas and circuit areas included in the first pixel and the fourth pixel are inverted compared to emission areas and circuit areas included in the second pixel and the third pixel.
12. 12 . The method according to claim 11 , wherein at least one of the first data line, the second data line, or the third gate line traverses the emission areas.
13. 13 . The method according to claim 11 , wherein each of the first data line, the second data line, and the third data line includes a plurality of data connection lines arranged in the second direction that provides electrical connection to the three subpixels included in each of the first pixel, the second pixel, and the third pixel, wherein the data connection lines traverse the emission areas.
14. 14 . The method according to claim 13 , further comprising: forming the first data line, the second data line, and the third data line based on a lower metal layer located as a lowermost layer on a substrate; and forming the data connection lines based on a semiconductor layer located above the lower metal layer.
15. 15 . The method according to claim 11 , wherein each of the first data line, the second data line, and the third data line includes: two data lines spaced apart from each other; and a connection electrode that electrically connects the two data lines.
16. 16 . The method according to claim 11 , further comprising: connecting a first reference line, a second reference line, and a third reference line arranged in the first direction to the first pixel, the second pixel, and the third pixel, respectively, wherein: each of the first reference line, the second reference line, and the third reference line includes a plurality of reference connection lines arranged in the second direction that provides electrical connection to the first pixel, the second pixel, and the third pixel; and the reference connection lines traverse the emission areas.
17. 17 . The according to claim 16 , further comprising: forming the first data line, the second data line, and the third data line based on a lower metal layer located as a lowermost layer on a substrate; and forming the reference connection lines based on a semiconductor layer located above the lower metal layer.

Description

CROSS-REFERENCE TO RELATED APPLICATION(S) This application claims the benefit of Korean Patent Application No. 10-2023-0194619, filed on Dec. 28, 2023, which is hereby incorporated by reference as if fully set forth herein. BACKGROUND Technical Field The present disclosure relates to a display device. Description of the Related Art As information technology develops, the market for display devices, which are connection media between users and information, is growing. Accordingly, use of display devices, such as a light emitting display device (LED), a quantum dot display device (QDD), and a liquid crystal display device (LCD), is increasing. The above-described display devices include a display panel including subpixels, drivers which output driving signals to drive the display panel, and a power supply which generates power to be supplied to the display panel or the driver. In the above display devices, when the driving signals, such as scan and data signals, are supplied to the subpixels formed in the display panels, the selected subpixels transmit light or directly emit light, and thereby, the display devices display images. BRIEF SUMMARY Accordingly, the present disclosure is directed to a display device that substantially obviates one or more problems due to limitations and disadvantages of the related art. An object of the present disclosure is to minimize an increase in RC delay of data lines while being capable of defining and changing the charging order of a data voltage to enable column inversion. Another object of the present disclosure is to provide a structure which prevents twisting and short-circuit between wires, maximizes an opening ratio, minimizes the possibility of occurrence of short-circuit due to an increase in the number of connection lines (connection electrodes), and is easy to repair. Additional advantages, objects, and features of the disclosure will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the disclosure. The objectives and other advantages of the disclosure may be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings. To achieve these objects and other advantages and in accordance with the purpose of the disclosure, as embodied and broadly described herein, a display device includes a first pixel including three subpixels respectively connected to a first data line, a second data line, and a third data line that are arranged in a first direction and connected to a first gate line arranged in a second direction, a second pixel including three subpixels respectively connected to the first data line, the second data line, and the third data line and connected to a second gate line spaced apart from the first gate line in the second direction, a third pixel including three subpixels respectively connected to the first data line, the second data line, and the third data line and connected to a third gate line spaced apart from the second gate line in the second direction, and a fourth pixel including three subpixels respectively connected to the first data line, the second data line, and the third data line and connected to a fourth gate line spaced apart from the third gate line in the second direction, wherein emission areas and circuit areas of the first pixel and the fourth pixel are inverted compared to emission areas and circuit areas of the second pixel and the third pixel. By way of example, at least one of the first data line, the second data line, or the third gate line traverses the emission areas. By way of example, each of the first data line, the second data line, and the third data line includes a plurality of data connection lines arranged in the second direction that provides electrical connection to the three subpixels included in each of the first pixel, the second pixel, and the third pixel, and the data connection lines traverse the emission areas. By way of example, each of the first data line, the second data line, and the third data line includes two data lines spaced apart from each other, and a connection electrode that electrically connects the two data lines. By way of example, the display device further includes a first reference line, a second reference line, and a third reference line arranged in the first direction and respectively connected to the first pixel, the second pixel, and the third pixel, wherein each of the first reference line, the second reference line, and the third reference line includes a plurality of reference connection lines arranged in the second direction that provides electrical connection to the first pixel, the second pixel, and the third pixel, and the reference connection lines traverse the emission areas. By way of example, the first data line, the second data line, and the third da