WO2025211522A1 - 표시 장치 - Google Patents
표시 장치Info
- Publication number
- WO2025211522A1 WO2025211522A1 PCT/KR2024/016878 KR2024016878W WO2025211522A1 WO 2025211522 A1 WO2025211522 A1 WO 2025211522A1 KR 2024016878 W KR2024016878 W KR 2024016878W WO 2025211522 A1 WO2025211522 A1 WO 2025211522A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- common line
- lines
- display area
- adjacent
- initialization
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/131—Interconnections, e.g. wiring lines or terminals
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
- G09G3/3225—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
- G09G3/3266—Details of drivers for scan electrodes
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
- H10K71/861—Repairing
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
- G09G2330/08—Fault-tolerant or redundant circuits, or circuits in which repair of defects is prepared
Definitions
- the present invention relates to a display device.
- Electronic devices that typically provide images to users, such as smartphones, digital cameras, laptops, navigation systems, and smart televisions, include a display device for displaying the images.
- the display device generates images and presents the generated images to the user through a display screen.
- An object of the present invention is to provide a display device capable of improving display quality by uniformly forming line resistances for pixels in a display area.
- a display device may include a plurality of pixels arranged in a display area, a plurality of scan lines connected to the pixels, a plurality of data lines connected to the pixels, a plurality of vertical initialization lines connected to the pixels, and a common line arranged in a non-display area around the display area.
- the display area may include a first side extending in a first direction, a second side extending in a second direction intersecting the first direction adjacent to one end of the first side, and a first round corner connecting the one end of the first side to an end of the second side adjacent to the one end of the first side.
- the common line may be adjacent to the first side and the first round corner
- the vertical initialization lines may be adjacent to the first side and the first round corner, connected to the common line, and extend from the common line in the second direction.
- a display device may include a plurality of pixels arranged in a display area, a plurality of scan lines connected to the pixels, a plurality of data lines connected to the pixels, a common line arranged in a non-display area around the display area, and a plurality of vertical initialization lines connected to the pixels.
- the display area may include a first side extending in a first direction, a second side and a third side extending in a second direction intersecting the first direction, respectively adjacent to both ends of the first side, a first round corner connecting the first side and the second side, and a second round corner connecting the first side and the second side.
- the common line may be adjacent to the first side, the first round corner, and the second round corner
- the vertical initialization lines may be adjacent to the first side, the first round corner, and the second round corner, connected to the common line, and extend in the second direction from the common line.
- a display device may include a plurality of pixels arranged in a display area including sides of a rectangle extending in a first direction and a second direction intersecting the first direction and round corners connecting the sides, a plurality of scan lines connected to the pixels, a plurality of data lines connected to the pixels, a common line arranged in a non-display area around the display area and adjacent to at least one side and at least one round corner, and a plurality of vertical initialization lines arranged adjacent to the at least one side and the at least one round corner and connected to the pixels and the common line.
- the vertical initialization lines may extend from the common line in a direction intersecting an extension direction of the at least one side.
- vertical initialization lines connected to pixels are arranged not only on a first side extending in a first direction, but also on first and second round corners connected to both ends of the first side, so that line resistances for pixels in a display area can be uniformly formed. Accordingly, the display quality of the display device can be improved.
- Figure 1 is a perspective view of a display device according to an embodiment of the present invention.
- FIG. 2 is a drawing illustrating an example of a cross-section of the display device illustrated in FIG. 1.
- FIG. 3 is a drawing illustrating an example of a cross-section of the display panel illustrated in FIG. 2.
- Figure 4 is a block diagram of the display device shown in Figure 1.
- FIG. 6 is a timing diagram of scanning signals and emission signals for explaining the operation of the pixel illustrated in FIG. 5.
- FIG. 10 is a separate drawing showing the configuration of the second initialization line arranged on the display panel illustrated in FIG. 8.
- FIGS. 11c and 11d are enlarged views of portions of the display panel adjacent to the third round corners illustrated in FIG. 9.
- Figure 12a is a plan view showing the connection configuration of the first and second initialization lines and pixels at the center of the display panel.
- Figure 12b is a plan view showing the connection configuration of the first and second initialization lines and pixels adjacent to the first round corner.
- FIG. 13 is a drawing showing a cross-section of a first vertical initialization line and a first horizontal initialization line corresponding to one of the contact holes illustrated in FIG. 9.
- Fig. 14 is a drawing showing the configuration of a comparison display panel according to a comparative example.
- FIGS. 15 to 17 are drawings showing configurations of common lines according to various embodiments of the present invention.
- a component or region, layer, portion, etc.
- a component or region, layer, portion, etc.
- it means that it can be directly disposed/connected/coupled to the other component, or a third component may be disposed between them.
- first and second may be used to describe various components, these components should not be limited by these terms. These terms are used solely to distinguish one component from another. For example, without departing from the scope of the present invention, a first component may be referred to as a "second component,” and similarly, a second component may also be referred to as a "first component.” Singular expressions include plural expressions unless the context clearly indicates otherwise.
- Figure 1 is a perspective view of a display device according to an embodiment of the present invention.
- a display device (DD) may have long sides extending parallel to a first direction (DR1) and short sides extending parallel to a second direction (DR2) intersecting the first direction (DR1).
- the corners of the display device (DD) connecting the long sides and the short sides may have a curved shape.
- the corners of the display device (DD) having a curved shape may be defined as rounded corners.
- the shape of the display device (DD) may be defined as a rounded corner rectangle.
- a direction substantially perpendicular to the plane defined by the first direction (DR1) and the second direction (DR2) is defined as a third direction (DR3).
- the meaning of when viewed on a plane is defined as a state viewed from the third direction (DR3).
- the front surface of the display device (DD) can be defined as a display surface (DS) and can have a plane defined by a first direction (DR1) and a second direction (DR2). Images (IM) generated in the display device (DD) can be provided to a user through the display surface (DS).
- DR1 first direction
- DR2 second direction
- Images (IM) generated in the display device (DD) can be provided to a user through the display surface (DS).
- a display surface (DS) may include a display area (DA) and a non-display area (NDA) surrounding the display area (DA).
- the display area (DA) may display an image, and the non-display area (NDA) may not display an image.
- the non-display area (NDA) may define a border of the display device (DD) that surrounds the display area (DA) and is printed in a predetermined color.
- the display area (DA) may have a rounded-corner rectangular shape, depending on the shape of the display device (DD).
- the display area (DA) may include rectangular sides extending in a first direction (DR1) and a second direction (DR2) and rounded corners connecting the sides.
- the sides extending in the first direction (DR1) may be defined as long sides
- the sides extending in the second direction (DR2) may be defined as short sides.
- the display device (DD) can detect inputs applied from outside the display device (DD).
- the display device (DD) can detect a first input by a touch pen (PEN) and a second input by a touch (TC).
- the touch pen (PEN) can be defined as an input device.
- the display device (DD) and the touch pen (PEN) can communicate bidirectionally.
- the display device (DD) can provide an uplink signal to the touch pen (PEN).
- the uplink signal can include, but is not limited to, information such as panel information and protocol version.
- the display device (DD) can be used in large electronic devices such as televisions, monitors, or outdoor billboards. Furthermore, the display device (DD) can also be used in small and medium-sized electronic devices such as personal computers, laptop computers, personal digital assistants, car navigation systems, game consoles, smartphones, tablets, or cameras. However, these are presented as exemplary embodiments only, and the display device (DD) can be used in other electronic devices without departing from the scope of the present invention.
- FIG. 2 is a drawing illustrating an example of a cross-section of the display device illustrated in FIG. 1.
- FIG. 2 shows a cross-section of the display device (DD) as viewed from the second direction (DR2).
- the display panel (DP) may be an emissive display panel.
- the display panel (DP) may be an organic light-emitting display panel or an inorganic light-emitting display panel.
- the light-emitting layer of the organic light-emitting display panel may include an organic light-emitting material.
- the light-emitting layer of the inorganic light-emitting display panel may include quantum dots, quantum rods, and the like.
- the display panel (DP) is described as an organic light-emitting display panel.
- An anti-reflection layer (RPL) can be defined as an external light anti-reflection film.
- the anti-reflection layer (RPL) can reduce the reflectance of external light incident from above the display device (DD) toward the display panel (DP). The external light can be prevented from being perceived by the user due to the anti-reflection layer (RPL).
- the anti-reflection layer (RPL) may include a plurality of color filters that display the same color as the pixels of the display panel (DP).
- Color filters can filter external light to the same color as the pixels. In this case, the external light may not be visible to the user.
- the anti-reflection layer may include a phase retarder and/or a polarizer to reduce the reflectance of external light.
- the window (WIN) can be placed on an anti-reflection layer (RPL).
- the window (WIN) can protect the display panel (DP), the input sensing unit (ISP), and the anti-reflection layer (RPL) from external scratches and impacts.
- a panel protection film may be placed under the display panel (DP).
- the panel protection film (PPF) may protect the lower portion of the display panel (DP).
- the panel protection film (PPF) may include a flexible plastic material such as polyethylene terephthalate (PET).
- a first adhesive layer (AL1) is disposed between a display panel (DP) and a panel protection film (PPF), and the display panel (DP) and the panel protection film (PPF) can be bonded to each other by the first adhesive layer (AL1).
- a second adhesive layer (AL2) is disposed between a window (WIN) and an anti-reflection layer (RPL), and the window (WIN) and the anti-reflection layer (RPL) can be bonded to each other by the second adhesive layer (AL2).
- FIG. 3 is a drawing illustrating an example of a cross-section of the display panel illustrated in FIG. 2.
- FIG. 3 shows a cross-section of the display panel (DP) viewed from the second direction (DR2).
- the display panel (DP) may include a substrate (SUB), a circuit element layer (DP-CL) disposed on the substrate (SUB), a display element layer (DP-OLED) disposed on the circuit element layer (DP-CL), and a thin film encapsulation layer (TFE) disposed on the display element layer (DP-OLED).
- DP-CL circuit element layer
- DP-OLED display element layer
- TFE thin film encapsulation layer
- the substrate (SUB) may include a display area (DA) and a non-display area (NDA) surrounding the display area (DA).
- the substrate (SUB) may include glass or a flexible plastic material such as polyimide (PI).
- PI polyimide
- a display element layer (DP-OLED) may be disposed on the display area (DA).
- a thin film encapsulation layer can be disposed on a circuit element layer (DP-CL) to cover a display element layer (DP-OLED).
- the thin film encapsulation layer (TFE) can protect pixels from moisture, oxygen, and external foreign substances.
- Figure 4 is a block diagram of the display device shown in Figure 1.
- the display device (DD) may include a display panel (DP), a timing controller (T-C), a scan driver (SDV), a data driver (DDV), a light emission driver (EDV), and a voltage generator (VG).
- DP display panel
- T-C timing controller
- SDV scan driver
- DDV data driver
- EDV light emission driver
- VG voltage generator
- the pixels (PX) can be electrically connected to scan lines (GIL1 to GILm, GCL1 to GCLm, GWL1 to GWLm, GBL1 to GBLm), emission lines (EML1 to EMLm), and data lines (DL1 to DLn), respectively.
- Each of the pixels (PX) can be electrically connected to four corresponding scan lines, one corresponding data line, and one corresponding emission line.
- the scan lines may include a plurality of initialization scan lines (GIL1 to GILm), a plurality of compensation scan lines (GCL1 to GCLm), a plurality of write scan lines (GWL1 to GWLm), and a plurality of bias scan lines (GBL1 to GBLm).
- Each of the pixels (PX) can be connected to a corresponding one of the initialization scan lines (GIL1 to GILm), a corresponding one of the compensation scan lines (GCL1 to GCLm), a corresponding one of the write scan lines (GWL1 to GWLm), and a corresponding one of the bias scan lines (GBL1 to GBLm).
- the scan lines (GIL1 to GILm, GCL1 to GCLm, GWL1 to GWLm, GBL1 to GBLm) are connected to the scan driver (SDV), extend in a first direction (DR1), and can be arranged in a second direction (DR2).
- the light emitting lines (EML1 to EMLm) are connected to the light emitting driver (EDV), extend in a first direction (DR1), and can be arranged in a second direction (DR2).
- the data lines (DL1 to DLn) are connected to the data driver (DDV), extend in a second direction (DR2), and can be arranged in the first direction (DR1).
- the scanning driver (SDV), the emission driver (EDV), and the data driver (DDV) can be substantially arranged on the display panel (DP), and this configuration will be illustrated in FIG. 8 below.
- the timing controller (T-C) can receive a video signal (RGB) and a control signal (CTRL).
- the timing controller (T-C) can generate a video data signal (DAS) by converting the data format of the video signal (RGB) to meet the interface specifications with the data driver (DDV).
- the timing controller (T-C) can output a scan control signal (SCS), a data control signal (DCS), and an emission control signal (ECS) in response to the control signal (CTRL).
- SCS scan control signal
- DCS data control signal
- ECS emission control signal
- a voltage generator (VG) can generate voltages required for the operation of a display panel (DP).
- the voltage generator (VG) can generate a first driving voltage (ELVDD), a second driving voltage (ELVSS), a first initialization voltage (VINT), and a second initialization voltage (VAINT).
- the first driving voltage (ELVDD), the second driving voltage (ELVSS), the first initialization voltage (VINT), and the second initialization voltage (VAINT) can be applied to pixels (PX).
- the data driver (DDV) can receive a data control signal (DCS) and an image data signal (DAS) from a timing controller (T-C).
- the data driver (DDV) can convert the image data signal (DAS) into data signals and output them.
- the data signals can be defined as analog voltages corresponding to the grayscale levels of the image data signal (DAS).
- the data signals can be applied to the pixels (PX) through data lines (DL1 to DLn).
- the emission driver (EDV) can receive an emission control signal (ECS) from a timing controller (T-C).
- ECS emission control signal
- the emission driver (EDV) can output emission signals to the emission lines (EML1 to EMLm) in response to the emission control signal (ECS).
- the emission signals can be applied to the pixels (PX) through the emission lines (EML1 to EMLm).
- Pixels (PX) can receive data voltages in response to scanning signals. Pixels (PX) can display images by emitting light with a brightness corresponding to the data voltages in response to light emission signals.
- FIG. 5 is a diagram showing an equivalent circuit of one of the pixels illustrated in FIG. 4.
- FIG. 5 illustrates a pixel (PXij) connected to the jth data line (DLj), the ith scan lines (GWLi, GCLi, GILi, GBLi), and the ith emission line (EMLi).
- i and j are natural numbers.
- a pixel may include a pixel circuit (PC) and a light-emitting element (OLED) connected to the pixel circuit (PC).
- the pixel circuit (PC) may drive the light-emitting element (OLED).
- the pixel circuit (PC) may include a plurality of transistors (T1 to T8) and a capacitor (CST).
- the transistors (T1 to T8) and the capacitor (CST) may control the amount of current flowing to the light-emitting element (OLED).
- the light-emitting element (OLED) may generate light having a predetermined brightness depending on the amount of current supplied.
- the ith write scan line (GWLi) can receive the ith write scan signal (GWi)
- the ith compensation scan line (GCLi) can receive the ith compensation scan signal (GCi)
- the ith initialization scan line (GILi) can receive the ith initialization scan signal (GIi)
- the ith bias scan line (GBLi) can receive the ith bias scan signal (GBi)
- the ith emission line (EMLi) can receive the ith emission signal (EMi).
- a pixel (PXij) can be connected to a j-th data line (DLj), an i-th write scan line (GWLi), an i-th compensation scan line (GCLi), an i-th initialization scan line (GILi), an i-th bias scan line (GBLi), an i-th emission line (EMLi), a first initialization line (VIL1), a second initialization line (VIL2), a bias line (VBL), and first and second power lines (PL1, PL2).
- the first initialization line (VIL1) can receive the first initialization voltage (VINT), and the second initialization line (VIL2) can receive the second initialization voltage (VAINT).
- the bias line (VBL) can receive the bias voltage (VBIAS).
- the first power line (PL1) can receive the first driving voltage (ELVDD), and the second power line (PL2) can receive the second driving voltage (ELVSS).
- Each of the transistors may include a source electrode, a drain electrode, and a gate electrode.
- a source electrode for convenience, one of the source electrode and the drain electrode is defined as the first electrode, and the other is defined as the second electrode.
- the gate electrode is defined as the control electrode.
- the first transistor (T1) may be defined as a driving transistor
- the second transistor (T2) may be defined as a switching transistor
- the third transistor (T3) may be defined as a compensation transistor
- the fourth transistor (T4) and the seventh transistor (T7) may be defined as initialization transistors
- the fifth transistor (T5) and the sixth transistor (T6) may be defined as light-emitting control transistors
- the eighth transistor (T8) may be defined as a bias transistor.
- the light-emitting element may be defined as an organic light-emitting element.
- the light-emitting element may include an anode (AE) and a cathode (CE).
- the anode (AE) may receive a first driving voltage (ELVDD) through the fifth, first, and sixth transistors (T5, T1, T6).
- the first driving voltage (ELVDD) may be applied to the pixel circuit (PC) through the first power line (PL1).
- the cathode (CE) can receive a second driving voltage (ELVSS) having a lower level than the first driving voltage (ELVDD).
- the second driving voltage (ELVSS) can be applied to the pixel circuit (PC) through a second power line (PL2).
- a first transistor (T1) is disposed between a fifth transistor (T5) and a sixth transistor (T6), and can be connected to the fifth transistor (T5) and the sixth transistor (T6).
- the first transistor (T1) can be connected to a first power line (PL1) through the fifth transistor (T5), and to an anode (AE) through the sixth transistor (T6).
- the first transistor (T1) may include a first electrode connected to the first power line (PL1) via a fifth transistor (T5), a second electrode connected to the anode (AE) via a sixth transistor (T6), and a control electrode connected to the first node (N1).
- a first electrode of a first transistor (T1) may be connected to a fifth transistor (T5), and a second electrode of the first transistor (T1) may be connected to a sixth transistor (T6).
- the first transistor (T1) may control the amount of current flowing to the light-emitting element (OLED) according to the voltage of the first node (N1) applied to the control electrode of the first transistor (T1).
- a second transistor (T2) may be disposed between the first transistor (T1) and the j-th data line (DLj) and may be connected to the first transistor (T1) and the j-th data line (DLj).
- the second transistor (T2) may include a first electrode connected to the j-th data line (DLj), a second electrode connected to the first electrode of the first transistor (T1), and a control electrode connected to the i-th write scan line (GWLi).
- the second transistor (T2) can be turned on by the i-th write scan signal (GWi) applied through the i-th write scan line (GWLi) to electrically connect the j-th data line (DLj) and the first electrode of the first transistor (T1).
- the second transistor (T2) can perform a switching operation of providing the data voltage (VD) (corresponding to the aforementioned data signal) applied through the j-th data line (DLj) to the first electrode of the first transistor (T1).
- a third transistor (T3) may be connected to the second electrode of the first transistor (T1) and the first node (N1).
- the third transistor (T3) may include a first electrode connected to the second electrode of the first transistor (T1), a second electrode connected to the first node (N1), and a control electrode connected to the ith compensation scan line (GCLi).
- the third transistor (T3) can be turned on by the i-th compensation scan signal (GCi) applied through the i-th compensation scan line (GCLi) to electrically connect the second electrode of the first transistor (T1) and the control electrode of the first transistor (T1).
- the third transistor (T3) is turned on, the first transistor (T1) and the third transistor (T3) can be connected in a diode form.
- a fourth transistor (T4) may be connected to a first node (N1).
- the fourth transistor (T4) may include a first electrode connected to the first node (N1), a second electrode connected to a first initialization line (VIL1), and a control electrode connected to an ith initialization scan line (GILi).
- the fourth transistor (T4) may be turned on by an ith initialization scan signal (GIi) applied through the ith initialization scan line (GILi) and may provide a first initialization voltage (VINT) applied through the first initialization line (VIL1) to the first node (N1).
- GIi ith initialization scan signal
- VINT first initialization voltage
- the fifth transistor (T5) may include a first electrode connected to the first power line (PL1), a second electrode connected to the first electrode of the first transistor (T1), and a control electrode connected to the ith light emitting line (EMLi).
- the fifth transistor (T5) and the sixth transistor (T6) can be turned on by the ith light-emitting signal (EMi) applied through the ith light-emitting line (EMLi).
- the first driving voltage (ELVDD) is provided to the light-emitting element (OLED) by the turned-on fifth transistor (T5) and sixth transistor (T6), so that a driving current can flow to the light-emitting element (OLED). Therefore, the light-emitting element (OLED) can emit light.
- the seventh transistor (T7) may include a first electrode connected to the anode (AE), a second electrode connected to the second initialization line (VIL2), and a control electrode connected to the ith bias scan line (GBLi).
- the seventh transistor (T7) may be turned on by the ith bias scan signal (GBi) applied through the ith bias scan line (GBLi), and may provide the second initialization voltage (VAINT) received through the second initialization line (VIL2) to the anode (AE) of the light-emitting element (OLED).
- the second initialization voltage (VAINT) may have a different level from the first initialization voltage (VINT), but is not limited thereto and may have the same level as the first initialization voltage (VINT).
- FIG. 6 is a timing diagram of scanning signals and emission signals for explaining the operation of the pixel illustrated in FIG. 5.
- the i-th emission signal can have a high level during a non-emission period (NLP) and a low level during a emission period (LP).
- the activation period of each of the ith write scan signal (GWi) and the ith bias scan signal (GBi) can be defined as the low level of each of the ith write scan signal (GWi) and the ith bias scan signal (GBi).
- the activation period of each of the ith compensation injection signal (GCi) and the ith initialization injection signal (GIi) can be defined as the high level of each of the ith compensation injection signal (GCi) and the ith initialization injection signal (GIi).
- the ith compensation scan signal (GCi) and the ith write scan signal (GWi) may be activated. Thereafter, the ith bias scan signal (GBi) may be activated.
- the ith initialization scan signal (GIi) may be applied to the fourth transistor (T4), thereby turning on the fourth transistor (T4).
- the first initialization voltage (VINT) may be provided to the node (N1) through the fourth transistor (T4). Accordingly, the first initialization voltage (VINT) may be applied to the control electrode of the first transistor (T1), and the first transistor (T1) may be initialized by the first initialization voltage (VINT). This operation may be defined as an initialization operation.
- the ith write scan signal (GWi) may be applied to the second transistor (T2) to turn on the second transistor (T2).
- the ith compensation scan signal (GCi) may be applied to the third transistor (T3) to turn on the third transistor (T3).
- a first voltage (ELVDD) and a compensation voltage (Vd-Vth) can be applied to the first electrode and the second electrode of the capacitor (CST), respectively.
- a charge corresponding to a voltage difference between the first electrode of the capacitor (CST) and the second electrode of the capacitor (CST) can be stored in the capacitor (CST).
- the i-th bias scan signal (GBi) may be applied to the seventh and eighth transistors (T7, T8), so that the seventh and eighth transistors (T7, T8) may be turned on.
- the second initialization voltage (VAINT) may be provided to the anode (AE) through the seventh transistor (T7), so that the anode (AE) may be initialized with the second initialization voltage (VAINT).
- the bias voltage (VBIAS) may be applied to the first electrode of the first transistor (T1) through the eighth transistor (T8).
- the ith emission signal (EMi) may be applied to the fifth transistor (T5) and the sixth transistor (T6) through the ith emission line (EMLi), so that the fifth transistor (T5) and the sixth transistor (T6) may be turned on.
- a driving current (Id) corresponding to a voltage difference between the voltage of the control electrode of the first transistor (T1) and the first voltage (ELVDD) may be generated.
- the driving current (Id) may be provided to the light-emitting element (OLED) through the sixth transistor (T6), so that the light-emitting element (OLED) may emit light.
- the threshold voltage (Vth) When Vgs is substituted into the current and voltage relationship, the threshold voltage (Vth) is eliminated, and the driving current (Id) can be proportional to the square of the value of the first voltage (ELVDD) minus the data voltage (VD) (ELVDD-Vd) 2 . Therefore, the driving current (Id) can be determined regardless of the threshold voltage (Vth) of the first transistor (T1). This operation can be defined as a threshold voltage compensation operation.
- a bias voltage (VBIAS) can be applied to the first electrode of the first transistor (T1) through the eighth transistor (T8) before the light-emitting element (OLED) emits light after the threshold voltage of the first transistor (T1) is compensated.
- the shift of the hysteresis curve of the first transistor (T1) can be suppressed by the bias voltage (VBIAS). This operation can be defined as a bias operation.
- FIG. 7 is a drawing exemplarily showing a cross-section of the light-emitting element, the first transistor, the fourth transistor, and the sixth transistor of the pixel illustrated in FIG. 5.
- the light emitting element may include a first electrode (AE), a second electrode (CE), a hole control layer (HCL), an electron control layer (ECL), and an emission layer (EML).
- the first electrode (AE) may be the anode (AE) illustrated in FIG. 5, and the second electrode (CE) may be the cathode (CE) illustrated in FIG. 5.
- the second electrode (CE) may be disposed on the first electrode (AE), and the hole control layer (HCL), the electron control layer (ECL), and the emission layer (EML) may be disposed between the first electrode (AE) and the second electrode (CE).
- a lower metal layer (BML) may be disposed on a substrate (SUB).
- the lower metal layer (BML) may overlap a first transistor (T1).
- a constant voltage may be applied to the lower metal layer (BML).
- Vth threshold voltage
- T1 the threshold voltage (Vth) value of the first transistor (T1) disposed on the lower metal layer (BML) may be maintained without change.
- the lower metal layer (BML) can block light incident on the first transistor (T1) from below the lower metal layer (BML).
- the lower metal layer (BML) can include a reflective metal.
- the lower metal layer (BML) can be omitted.
- a buffer layer (BFL) is disposed on a substrate (SUB), and the buffer layer (BFL) may be an inorganic layer.
- the buffer layer (BFL) may cover a lower metal layer (BML).
- a semiconductor layer (S1, A1, D1) of a first transistor (T1) and a semiconductor layer (S6, A6, D6) of a sixth transistor (T6) may be disposed on the buffer layer (BFL).
- the semiconductor layers (S1, A1, D1, S6, A6, D6) may include polysilicon.
- the present invention is not limited thereto, and the semiconductor layers (S1, A1, D1, S6, A6, D6) may include amorphous silicon.
- the semiconductor layers (S1, A1, D1, S6, A6, D6) may be doped with an N-type dopant or a P-type dopant.
- the semiconductor layers (S1, A1, D1, S6, A6, D6) may include a high-doping region and a low-doping region.
- the conductivity of the high-doping region is greater than that of the low-doping region, and may substantially function as a source electrode and a drain electrode of the first and sixth transistors (T1, T6).
- the low-doping region may substantially correspond to an active (or channel) of the first and sixth transistors (T1, T6).
- the first source region (S1), the first channel region (A1), and the first drain region (D1) of the first transistor (T1) may be formed from semiconductor layers (S1, A1, D1).
- the sixth source region (S6), the sixth channel region (A6), and the sixth drain region (D6) of the sixth transistor (T6) may be formed from semiconductor layers (S6, A6, D6).
- the first channel region (A1) may be disposed between the first source region (S1) and the first drain region (D1).
- the sixth channel region (A6) may be disposed between the sixth source region (S6) and the sixth drain region (D6).
- a first insulating layer (INS1) may be disposed on a buffer layer (BFL) to cover the semiconductor layers (S1, A1, D1, S6, A6, D6).
- a first gate electrode (G1) (or control electrode) of a first transistor (T1) and a sixth gate electrode (G6) (or control electrode) of sixth transistors (T6) may be disposed on the first insulating layer (INS1).
- the first gate electrode (G1) may overlap the first channel region (A1)
- the sixth gate electrode (G6) may overlap the sixth channel region (A6).
- each of the second, fifth, and seventh transistors may be substantially the same as that of the first and sixth transistors (T1, T6).
- a second insulating layer may be disposed on the first insulating layer (INS1) to cover the first and sixth gate electrodes (G1, G6).
- a dummy electrode (DME) may be disposed on the second insulating layer (INS2).
- the dummy electrode (DME) is disposed on the first gate electrode (G1) and may overlap the first gate electrode (G1) when viewed in a plan view.
- the dummy electrode (DME) may form the aforementioned capacitor (CST) together with the first gate electrode (G1).
- a third insulating layer (INS3) may be disposed on the second insulating layer (INS2) to cover the dummy electrode (DME).
- a semiconductor layer (S4, A4, D4) of the fourth transistor (T4) may be disposed on the third insulating layer (INS3).
- the semiconductor layers (S4, A4, D4) may include an oxide semiconductor formed of a metal oxide.
- the oxide semiconductor may include a crystalline or amorphous oxide semiconductor.
- the semiconductor layer (S4, A4, D4) may include a plurality of regions that are distinguished depending on whether the metal oxide is reduced.
- the region where the metal oxide is reduced (hereinafter, referred to as the reduced region) may have higher conductivity than the region where the metal oxide is not reduced (hereinafter, referred to as the non-reduced region).
- the reduced region may substantially function as a source electrode or a drain electrode of the fourth transistor (T4).
- the non-reduced region may substantially correspond to the active (or channel) of the fourth transistor (T4).
- a fourth insulating layer (INS4) may be disposed on the third insulating layer (INS3) to cover the semiconductor layers (S4, A4, D4).
- a fourth gate electrode (G4) of a fourth transistor (T4) may be disposed on the fourth insulating layer (INS4). When viewed in plan view, the fourth gate electrode (G4) may overlap the fourth channel region (A4).
- the third and fifth insulating layers may include a plurality of inorganic insulating layers including different materials and stacked on each other.
- the third insulating layer (INS3) may include a silicon nitride layer and a silicon oxide layer stacked sequentially
- the fifth insulating layer (INS5) may include a silicon oxide layer and a silicon nitride layer stacked sequentially.
- the thickness of each of the third and fifth insulating layers (INS3, INS5) may be greater than the thickness of each of the buffer layer (BFL) and the first, second, and fourth insulating layers (INS1, INS2, INS4).
- a connection electrode (CNE) may be disposed between the sixth transistor (T6) and the light-emitting element (OLED).
- the connection electrode (CNE) may electrically connect the sixth transistor (T6) and the light-emitting element (OLED).
- the connection electrode (CNE) may include a first connection electrode (CNE1) and a second connection electrode (CNE2) disposed on the first connection electrode (CNE1).
- the first connection electrode (CNE1) may be disposed on the fifth insulating layer (INS5) and connected to the sixth drain region (D6) through the first contact hole (CH1) defined in the first to fifth insulating layers (INS1 to INS5).
- a sixth insulating layer (INS6) may be disposed on the fifth insulating layer (INS5) to cover the first connection electrode (CNE1).
- a seventh insulating layer may be disposed on the sixth insulating layer (INS6) to cover the second connecting electrode (CNE2).
- the sixth and seventh insulating layers may include an inorganic layer or an organic layer.
- a first electrode (AE) may be disposed on the seventh insulating layer (INS7).
- the first electrode (AE) may be electrically connected to the second connection electrode (CNE2) through a third contact hole (CH3) defined in the seventh insulating layer (INS7).
- a pixel defining layer (PDL) exposing a predetermined portion of the first electrode (AE) may be disposed on the first electrode (AE) and the seventh insulating layer (INS7).
- An opening (PX_OP) for exposing a predetermined portion of the first electrode (AE) may be defined in the pixel defining layer (PDL).
- a hole control layer may be disposed on the first electrode (AE) and the pixel defining layer (PDL).
- the hole control layer (HCL) may be disposed commonly in the light emitting area (LEA) and the non-light emitting area (NLEA).
- the hole control layer (HCL) may include a hole transport layer and a hole injection layer.
- An electron control layer may be disposed on the emissive layer (EML) and the hole control layer (HCL).
- the electron control layer (ECL) may be disposed commonly in the emissive area (LEA) and the non-emissive area (NLEA).
- the electron control layer (ECL) may include an electron transport layer and an electron injection layer.
- the second electrode (CE) may be disposed on the electronic control layer (ECL).
- the second electrode (CE) may be disposed commonly on the pixels (PX). That is, the second electrode (CE) may be disposed commonly on the light-emitting layers (EML) of the pixels (PX).
- the layer from the buffer layer (BFL) to the seventh insulating layer (INS7) can be defined as a circuit element layer (DP-CL).
- the layer on which the light-emitting element (OLED) is arranged can be defined as a display element layer (DP-OLED).
- a thin film encapsulation layer may be disposed on a light-emitting device (OLED).
- the TFE may include sequentially stacked inorganic layers, organic layers, and inorganic layers.
- the inorganic layers include inorganic materials and may protect pixels from moisture/oxygen.
- the organic layers include organic materials and may protect pixels (PX) from foreign substances such as dust particles.
- a first voltage (ELVDD) may be applied to the first electrode (AE), and a second voltage (ELVSS) may be applied to the second electrode (CE).
- EML light-emitting layer
- CE second electrode
- Holes and electrons injected into the light-emitting layer (EML) combine to form excitons, and when the excitons transition to the ground state, the light-emitting element (OLED) may emit light.
- the light-emitting element (OLED) emits light, and an image may be displayed.
- Figure 8 is a plan view of the display panel illustrated in Figure 4.
- Fig. 4 is a drawing mainly showing the functional blocks of the display device (DD), and Fig. 8 is a drawing mainly showing the planar structure of the display panel (DP).
- the display device (DD) may include a display panel (DP), a scan driver (SDV), a plurality of data drivers (DDV), an emission driver (EDV), and a plurality of pads (PD).
- the display panel (DP) may have a rounded corner rectangular shape corresponding to the shape of the display device (DD).
- the display area (DA) may include first to fourth sides (SI1 to SI4) and first to third rounded corners (CR1 to CR3).
- the first to fourth sides (SI1 to SI4) may define four sides of the rectangle.
- the first to third rounded corners (CR1 to CR3) may define four rounded corners of the rectangle.
- the first side (SI1) and the fourth side (SI4) may extend parallel to the first direction (DR1) and face each other in the second direction (DR2).
- the second side (SI2) and the third side (SI3) may extend parallel to the second direction (DR2) and face each other in the first direction (DR1).
- the first side (SI1) and the fourth side (SI4) may extend longer than the second side (SI2) and the third side (SI3).
- the first side (SI1) and the fourth side (SI4) may be defined as long sides, and the second side (SI2) and the third side (SI3) may be defined as short sides.
- the first repair initialization lines (RVIL1) are connected to the repair pixel circuits (RPC) so that the first initialization voltage (VINT) can be applied to the repair pixel circuits (RPC).
- the second vertical initialization lines (VL2) may extend in the second direction (DR2) adjacent to the first side (SI1), the first round corner (CR1), and the second round corner (CR2).
- the second horizontal initialization lines (HL2) may extend in the first direction (DR1) adjacent to the first round corner (CR1), the second side (SI2), and the third round corner (CR3) connected to the second side (SI2).
- the second-first common line (CL2-1') and the second-second common line (CL2-2') may extend from the first common line (CL1').
- the second vertical initialization lines (VL2) may extend to the non-display area (NDA) and be connected to the first common line (CL1'), the second-first common line (CL2-1'), and the second-second common line (CL2-2').
- the second vertical initialization lines (VL2) may extend in the second direction (DR2) from the first common line (CL1'), the second-first common line (CL2-1'), and the second-second common line (CL2-2') and be connected to the pixels (PX) within the display area (DA).
- the first common line (CL1') may be arranged adjacent to the lower side of the display panel (DP) and connected to second pads (PD2) that receive the second initialization voltage (VAINT).
- the second repair initialization lines (VIL2) may extend between the display area (DA) and the scan driver (SDV) and between the display area (DA) and the emission driver (EDV), respectively.
- the second repair initialization lines (VIL2) may be adjacent to the scan driver (SDV) and the emission driver (EDV), respectively.
- the second repair initialization lines (VIL2) may extend outward from the second-first common line (CL2-1') and the second-second common line (CL2-2'), respectively.
- the second repair initialization lines may also be connected to the repair pixel circuits (RPC) illustrated in FIGS. 11A to 11D, like the first repair initialization lines (VIL1). Accordingly, the repair pixel circuits (RPC) may receive the second initialization voltage (VAINT) through the second repair initialization lines (VIL2).
- Fig. 12a is a plan view showing the connection configuration of the first and second initialization lines and pixels at the center of the display panel.
- Fig. 12b is a plan view showing the connection configuration of the first and second initialization lines and pixels adjacent to the first round corner.
- the display panel (DP) may include a plurality of pixel groups (PG).
- the pixel groups (PG) may be arranged in a matrix form, with the pixel groups (PG) being arranged in a first direction (DR1) and a second direction (DR2).
- the first direction (DR1) may correspond to a row
- the second direction (DR2) may correspond to a column.
- the pixel groups (PG) may be arranged in a plurality of rows and a plurality of columns.
- the first vertical initialization line (VL1) and the first horizontal initialization line (HL1) may be arranged on different layers.
- the first vertical initialization line (VL1) may be arranged above the first horizontal initialization line (HL1).
- Fig. 14 is a drawing showing the configuration of a comparison display panel according to a comparative example.
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Abstract
Description
Claims (21)
- 표시 영역에 배치된 복수개의 화소들;상기 화소들에 연결된 복수개의 주사 라인들;상기 화소들에 연결된 복수개의 데이터 라인들;상기 화소들에 연결된 복수개의 수직 초기화 라인들; 및상기 표시 영역 주변의 비표시 영역에 배치된 공통 라인을 포함하고,상기 표시 영역은, 제1 방향으로 연장하는 제1 변, 상기 제1 변의 일단에 인접하여 상기 제1 방향과 교차하는 제2 방향으로 연장하는 제2 변, 및 상기 제1 변의 상기 일단을 상기 제1 변의 상기 일단에 인접한 상기 제2 변의 일단에 연결하는 제1 라운드 코너를 포함하고,상기 공통 라인은 상기 제1 변 및 상기 제1 라운드 코너에 인접하고,상기 수직 초기화 라인들은 상기 제1 변 및 상기 제1 라운드 코너에 인접하고, 상기 공통 라인에 연결되고, 상기 공통 라인으로부터 상기 제2 방향으로 연장하는 표시 장치.
- 제 1 항에 있어서,상기 공통 라인은 상기 제2 변에 인접한 비표시 영역에 배치되지 않는 표시 장치.
- 제 1 항에 있어서,상기 공통 라인은,상기 비표시 영역에 배치되고, 상기 제1 변에 인접한 제1 공통 라인; 및상기 비표시 영역에 배치되고, 상기 제1 라운드 코너에 인접한 제2-1 공통 라인을 포함하는 표시 장치.
- 제 3 항에 있어서,상기 제1 공통 라인은 상기 제1 방향으로 연장하고, 상기 제2-1 공통 라인은 상기 제1 공통 라인으로부터 연장되어 상기 제1 라운드 코너에 대응하는 곡선 형상을 갖는 표시 장치.
- 제 3 항에 있어서,상기 제1 공통 라인은 초기화 전압을 수신하는 패드에 연결되는 표시 장치.
- 제 3 항에 있어서,상기 비표시 영역에 배치되고, 상기 제2 변 및 상기 제1 라운드 코너에 인접하여, 상기 주사 라인들에 연결된 주사 구동부를 더 포함하는 표시 장치.
- 제 6 항에 있어서,상기 제2-1 공통 라인은 상기 주사 구동부와 상기 제1 라운드 코너 사이에 배치되는 표시 장치.
- 제 6 항에 있어서,상기 제1 공통 라인으로부터 상기 표시 영역과 상기 주사 라인들 사이로 연장하는 리페어 초기화 라인; 및상기 표시 영역과 상기 주사 라인 사이에 배치되고 상기 주사 구동부에 인접한 리페어 화소 회로를 더 포함하고,상기 리페어 초기화 라인은 상기 화소 회로에 연결되는 표시 장치.
- 제 3 항에 있어서,상기 표시 영역은, 상기 제1 변의 타단에 인접하여 상기 제2 방향으로 연장하는 제3 변, 및 상기 제1 변의 상기 타단을 상기 제1 변의 상기 타단에 인접한 상기 제3 변의 일단에 연결하는 제2 라운드 코너를 더 포함하고,상기 공통 라인은,상기 비표시 영역에 배치되고, 상기 제2 라운드 코너에 인접한 제2-2 공통 라인을 더 포함하고,상기 수직 초기화 라인들은, 상기 제2 라운드 코너에 인접하게 더 배치되어, 상기 제2-2 공통 라인에 더 연결되고, 상기 제2-2 공통 라인으로부터 상기 제2 방향으로 연장하는 표시 장치.
- 제 9 항에 있어서,상기 공통 라인은 상기 제3 변에 인접한 비표시 영역에 배치되지 않는 표시 장치.
- 제 9 항에 있어서,상기 제2-2 공통 라인은 상기 제1 공통 라인으로부터 연장되고, 상기 제2 라운드 코너에 대응하는 곡선 형상을 갖는 표시 장치.
- 제 9 항에 있어서,상기 화소들에 연결된 복수개의 발광 라인들; 및상기 비표시 영역에 배치되고, 상기 제3 변 및 상기 제2 라운드 코너에 인접하여, 상기 발광 라인들에 연결된 발광 구동부를 더 포함하는 표시 장치.
- 제 12 항에 있어서,상기 제2-2 공통 라인은 상기 발광 구동부와 상기 제2 라운드 코너 사이에 배치되는 표시 장치.
- 제 1 항에 있어서,상기 표시 영역에 배치되고, 상기 수직 초기화 라인들과 교차하도록 연장하는 복수개의 수평 초기화 라인들을 더 포함하는 표시 장치.
- 제 14 항에 있어서,상기 수평 초기화 라인들은 상기 수직 초기화 라인들 및 상기 화소들에 연결된 표시 장치.
- 제 15 항에 있어서,상기 수직 초기화 라인들과 상기 수평 초기화 라인들은 서로 다른층에 배치되는 표시 장치.
- 제 16 항에 있어서,상기 수직 초기화 라인들은 상기 수평 초기화 라인들보다 위에 배치되는 표시 장치.
- 제 14 항에 있어서,상기 공통 라인은 상기 표시 영역을 둘러싸도록 배치되고,상기 수직 초기화 라인들 및 상기 수평 초기화 라인들은 상기 비표시 영역으로 연장하여 상기 공통 라인에 연결된 표시 장치.
- 표시 영역 내에 배치된 복수개의 화소들;상기 화소들에 연결된 복수개의 주사 라인들;상기 화소들에 연결된 복수개의 데이터 라인들;상기 표시 영역 주변의 비표시 영역에 배치된 공통 라인; 및상기 화소들에 연결된 복수개의 수직 초기화 라인들을 포함하고,상기 표시 영역은,제1 방향으로 연장하는 제1 변, 상기 제1 변의 양단들에 각각 인접하여 상기 제1 방향과 교차하는 제2 방향으로 연장하는 제2 변 및 제3 변, 상기 제1 변과 상기 제2 변을 연결하는 제1 라운드 코너, 및 상기 제1 변과 상기 제2 변을 연결하는 제2 라운드 코너를 포함하고,상기 공통 라인은 상기 제1 변, 상기 제1 라운드 코너, 및 상기 제2 라운드 코너에 인접하고,상기 수직 초기화 라인들은 상기 제1 변, 상기 제1 라운드 코너, 및 상기 제2 라운드 코너에 인접하고, 상기 공통 라인에 연결되고, 상기 공통 라인으로부터 상기 제2 방향으로 연장하는 표시 장치.
- 제 19 항에 있어서,상기 공통 라인은 상기 제2 변 및 상기 제3 변에 인접한 비표시 영역에 배치되지 않는 표시 장치.
- 제1 방향 및 상기 제1 방향과 교차하는 제2 방향으로 연장하는 사각형의 변들 및 상기 변들을 잇는 라운드 코너들을 포함하는 표시 영역 내에 배치된 복수개의 화소들;상기 화소들에 연결된 복수개의 주사 라인들;상기 화소들에 연결된 복수개의 데이터 라인들;상기 표시 영역 주변의 비표시 영역에 배치되고, 상기 변들 및 상기 라운드 코너들 중 서로 인접한 적어도 하나의 변 및 적어도 하나의 라운드 코너에 인접한 공통 라인; 및상기 적어도 하나의 변 및 상기 적어도 하나의 라운드 코너에 인접하게 배치되어 상기 화소들 및 상기 공통 라인에 연결된 복수개의 수직 초기화 라인들을 포함하고,상기 수직 초기화 라인들은 상기 공통 라인으로부터 상기 적어도 하나의 변의 연장 방향과 교차하는 방향으로 연장하는 표시 장치.
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| KR20170131762A (ko) * | 2016-05-19 | 2017-11-30 | 삼성디스플레이 주식회사 | 표시 장치 |
| KR20200082072A (ko) * | 2018-12-28 | 2020-07-08 | 엘지디스플레이 주식회사 | 전계 발광 표시 장치 |
| KR20220127426A (ko) * | 2021-03-10 | 2022-09-20 | 삼성디스플레이 주식회사 | 표시 장치 |
| KR102469224B1 (ko) * | 2017-09-15 | 2022-11-18 | 엘지디스플레이 주식회사 | 표시 장치 |
| KR102612296B1 (ko) * | 2018-01-11 | 2023-12-13 | 삼성디스플레이 주식회사 | 표시패널 |
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- 2024-04-03 KR KR1020240045426A patent/KR20250147994A/ko active Pending
- 2024-10-31 WO PCT/KR2024/016878 patent/WO2025211522A1/ko active Pending
- 2024-12-02 US US18/965,932 patent/US20250318375A1/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20170131762A (ko) * | 2016-05-19 | 2017-11-30 | 삼성디스플레이 주식회사 | 표시 장치 |
| KR102469224B1 (ko) * | 2017-09-15 | 2022-11-18 | 엘지디스플레이 주식회사 | 표시 장치 |
| KR102612296B1 (ko) * | 2018-01-11 | 2023-12-13 | 삼성디스플레이 주식회사 | 표시패널 |
| KR20200082072A (ko) * | 2018-12-28 | 2020-07-08 | 엘지디스플레이 주식회사 | 전계 발광 표시 장치 |
| KR20220127426A (ko) * | 2021-03-10 | 2022-09-20 | 삼성디스플레이 주식회사 | 표시 장치 |
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| US20250318375A1 (en) | 2025-10-09 |
| KR20250147994A (ko) | 2025-10-14 |
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