KR-102962125-B1 - DISPLAY DEVICE

KR102962125B1KR 102962125 B1KR102962125 B1KR 102962125B1KR-102962125-B1

Abstract

A display device according to one embodiment includes a display panel comprising a pixel, a display area including a scan driving unit connected to the pixel, and a non-display area disposed around the display area; and a first chip-on-film attached to an end of the display panel, wherein the non-display area includes a horizontal line area disposed between the first chip-on-film and the display area on a plane, and the horizontal line area includes a first horizontal line area and a second horizontal line area spaced apart from each other in a first direction.

Inventors

최동호
심다혜
김성훈
정용민

Assignees

엘지디스플레이 주식회사

Dates

Publication Date: 20260511
Application Date: 20221230

Claims (15)

A display panel comprising a pixel, a display area including a scan driving unit connected to the pixel, and a non-display area disposed around the display area; and It includes a first chip-on-film attached to the end of the above-mentioned display panel, and The above non-display area includes a horizontal line area disposed between the first chip-on-film and the display area on a plane, and The above horizontal line area includes a first horizontal line area and a second horizontal line area spaced apart from each other in a first direction, and A display device comprising at least one horizontal line that extends along a first direction and is electrically connected to the scan driving unit, wherein the first horizontal line area and the second horizontal line area are a display device.
In Article 1, A display device wherein the above display area includes a first horizontal line area and a first stage area corresponding to a second direction intersecting the first direction, and a second stage area corresponding to the second horizontal line area and the second direction, wherein a first stage circuit part is disposed in the first stage area and a second stage circuit part different from the first stage circuit part is disposed in the second stage area.
In Article 2, A display device in which the first stage circuit section comprises a first branch circuit, a third branch circuit, and a fourth branch circuit, and the second stage circuit section comprises a second branch circuit and a fifth branch circuit.
In Paragraph 3, A display device wherein the first branch circuit outputs a first scan line connected to the pixel, the second branch circuit outputs a second scan line connected to the pixel, the third branch circuit outputs a third scan line connected to the pixel, the fourth branch circuit outputs a fourth scan line connected to the pixel, and the fifth branch circuit outputs a light emission control signal line connected to the pixel.
In Paragraph 4, The above horizontal lines include a first horizontal line, a second horizontal line, a third horizontal line, a fourth horizontal line, and a fifth horizontal line, and A display device comprising, in the first horizontal line area, a first horizontal line connected to the first branch circuit, a third horizontal line connected to the third branch circuit, and a fourth horizontal line connected to the fourth branch circuit, and in the second horizontal line area, a second horizontal line connected to the second branch circuit and a fifth horizontal line connected to the fifth branch circuit.
In Article 5, A display device in which the first to fifth horizontal lines each include a plurality of shift clock lines, and the number of shift clock lines of the second horizontal line is greater than the number of shift clock lines of the first horizontal line and the third to fifth horizontal lines.
In Article 5, A display device further comprising the first chip-on-film and a second chip-on-film spaced apart from the first direction.
In Article 7, The display device comprises a first display area corresponding to the first chip-on-film and the second direction, and a second display area corresponding to the second chip-on-film and the second direction, wherein the first and second horizontal line areas are each provided as two.
In Article 8, The first display area and the second horizontal line area corresponding in the second direction are a display device disposed between the first horizontal line area corresponding in the second direction and the second display area and the first horizontal line area corresponding in the second direction.
In Article 8, The first display area and the second horizontal line area corresponding in the second direction are a display device disposed between the first display area and the first horizontal line area corresponding in the second direction and the second display area and the second horizontal line area corresponding in the second direction.
In Article 8, A display device in which the first display area and the second horizontal line area corresponding in the second direction and the second horizontal line area corresponding in the second direction are formed integrally with each other, and the second horizontal line and the fifth horizontal line, respectively disposed in the second horizontal line area corresponding in the second direction and the second display area and the second horizontal line area corresponding in the second direction, are respectively extended integrally.
In Article 8, A display device positioned between the first display area and the first horizontal line area corresponding in the second direction, the second horizontal line area corresponding in the second direction, and the second display area and the second horizontal line area corresponding in the second direction.
In Article 8, The first horizontal line area corresponding to the first display area and the second direction is a display device disposed between the second horizontal line area corresponding to the first display area and the second direction and the first horizontal line area corresponding to the second direction.
In Article 8, A display device in which the first horizontal line area corresponding to the first display area in the second direction and the first horizontal line area corresponding to the second display area in the second direction are formed integrally with each other, and the first horizontal line, the third horizontal line, and the fourth horizontal line, each disposed in the first horizontal line area corresponding to the first display area in the second direction and the first horizontal line area corresponding to the second display area in the second direction are each integrally extended.
In Article 1, At least one first driving voltage line disposed in the horizontal line area of the above non-display area and supplying voltage to the pixel, and It further includes a second driving voltage line connected to at least one first driving voltage line and intersecting the horizontal line, and The above second driving voltage line is a display device that intersects the above horizontal line and the above non-display area.

Description

Display Device This specification relates to a display device. The display panel of the display device may be equipped with a display element for displaying an image, a driving element for driving the display element, and lines for transmitting various signals to the display element and the driving element. The display element may be defined differently depending on the type of display panel; for example, if the display panel is an organic light-emitting display panel, the display element may be an organic light-emitting element comprising an anode, a light-emitting layer, and a cathode. FIG. 1 is a block diagram schematically showing a display device according to one embodiment. FIG. 2 is a cross-sectional view showing the stacked form of a display device according to one embodiment. FIG. 3 is a diagram showing the configuration of a scan driving unit in a display device according to one embodiment. FIG. 4 is a diagram of a pixel circuit in a display device according to one embodiment. FIGS. 5a to 5c are diagrams illustrating the operation of the scan signal and the light emission control signal during the refresh period and the hold period in the pixel circuit shown in FIG. 4. FIG. 6 is a planar layout of a display device according to one embodiment. FIG. 7 is a detailed planar layout of a display device according to FIG. 6. FIG. 8 is a detailed planar layout of the first display area according to FIG. 7. Figure 9 is an enlarged plan view of area A of Figure 6. FIG. 10 is a drawing showing a first horizontal line area and a second horizontal line area according to one embodiment. FIG. 11 is a planar layout of a display device according to another embodiment. FIG. 12 is a planar layout of a display device according to another embodiment. FIG. 13 is a planar layout of a display device according to another embodiment. FIG. 14 is a planar layout of a display device according to another embodiment. FIG. 15 is a planar layout of a display device according to another embodiment. FIG. 16 is a detailed planar layout of a first display area according to another embodiment. The advantages and features, 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 following embodiments but may be implemented in various different forms; these embodiments are provided merely to ensure that the disclosure is complete and to fully inform those skilled in the art of the scope of the disclosure, and the specification is defined only by the scope of the claims. Throughout the specification, the same reference numerals refer to the same components. When one component is referred to as being "connected to" or "coupled to" another component, it includes cases where it is directly connected or coupled to the other component, or cases where another component is interposed. Conversely, when one component is referred to as being "directly connected to" or "directly coupled to" another component, it indicates that no other component is interposed. "And/or" includes each of the mentioned items and all combinations of one or more of them. The terms used herein are for describing embodiments and are not intended to limit the specification. In this specification, the singular form includes the plural form unless specifically stated otherwise in the text. As used herein, "comprises" and/or "comprising" do not exclude the presence or addition of one or more other components, steps, actions, and/or elements to the mentioned components, steps, actions, and/or elements. Although terms such as first, second, etc. are used to describe various components, it goes without saying that these components are not limited by these terms. These terms are used merely to distinguish one component from another. Therefore, it goes without saying that the first component mentioned below may be the second component within the technical concept. Unless otherwise defined, all terms used in this specification (including technical and scientific terms) may be used in a meaning that is commonly understood by those skilled in the art to which this specification belongs. Furthermore, terms defined in commonly used dictionaries are not to be interpreted ideally or excessively unless explicitly and specifically defined otherwise. FIG. 1 is a block diagram schematically showing a display device according to one embodiment. Referring to FIG. 1, the display device (10) includes a display panel (100) including a plurality of pixels (P), a controller (200), a scan driving unit (150) that supplies a gate signal to each of the plurality of pixels (P), a data driving unit (400) that supplies a data signal to each of the plurality of pixels (P), and a power supply unit (500) that supplies power required for driving to each of the plurality of pixels (P). The display panel (100) includes a display area (AA) where a pixel (P) is located a