Lg Display Co., Ltd.

DeukSu Lee

Ruda Rhe

Jaegyun Lee

SuChang An

Jihyun Jung

Hyangmyoung Gwon

Yangsik Lee

KwangJo Hwang

JiHyun Jung

JaeGyun Lee

Sangkyu Kim

Jeonghoon Lee

YangSik Lee

Jaeseung Kim

Taeyun Kim

Taehwan Kim

SeungRok Shin

Seungrok Shin

Yoonnara Jang

Suhwan Moon

Kyohyuck Choo

Ilho Kim

Shinkwon Park

Changkeun Park

Minkyung Lee

Miyoung Do

Su Chang An

SungChul Kim

BuYeol Lee

HwiDeuk Lee

Hwideuk Lee

Kwon-Shik Park

JongHee Hwang

SeungHee Nam

Suchang An

A display device and a display panel may comprise a substrate comprising a display area including a plurality of subpixels and a non-display area including a pad area spaced apart from the display area in a first direction, a first sensor electrode in the display area and extending in a second direction crossing the first direction, a second sensor electrode in the display area and extending in the second direction, a first pad in the pad area, a second pad in the pad area, a first trace line electrically connecting the first sensor electrode and the first pad and a second trace line electrically connecting the second sensor electrode and the second pad. The second sensor electrode may be positioned closer to the pad area than the first sensor electrode. The first trace line overlaps the second sensor electrode, and the second trace line may include a first meandering portion.

Display device and display panel

A touch display device is disclosed. By arranging a part of a touch routing line for a driving of a touch electrode on an active area and electrically connecting the touch routing line to an auxiliary routing pattern that overlaps the touch routing line, an area where the touch routing line is disposed and a load of the touch routing line can be reduced.

Touch display device

Embodiments of the present disclosure are related to a display device, as an active area overlapping a light detecting sensor positioned on a rear surface of a display panel has a low resolution and includes a plurality of holes that an insulating layer is etched, thus the display device that the light detecting sensor detects an object positioned in front of the display panel can be provided. Furthermore, as a light blocking pattern is disposed on an area overlapping an inclined surface inside of the hole, thus a distortion of a light entered to the inclined surface inside of the hole can be prevented and a detecting performance of the light detecting sensor positioned on the rear surface of the display panel can be improved.

Display device with multi-resolution

A display device according to an embodiment comprises a substrate including a display area where subpixels are disposed and a non-display area outside the display area, each of the subpixels including an anode electrode, a light emitting layer, and a cathode electrode for displaying an image, an encapsulation layer positioned on the substrate, a shielding electrode positioned on the encapsulation layer, an intermediate organic layer positioned on the shielding electrode, a touch electrode positioned on the intermediate organic layer, a touch insulation layer positioned on the touch electrode, a shielding electrode line electrically connected with the shielding electrode, and a shielding electrode pad electrically connected with the shielding electrode line. The shielding electrode receives a voltage through the shielding electrode pad.

Display device

A touch display device is disclosed. The touch display device includes a touch electrode and a touch routing line that are disposed on an area that is different from an area where a spacer is disposed. Thus, a touch sensing function can be provided in the touch display device while reducing an influence that a touch sensor structure affects a viewing angle of an image.

Touch display device including spacers

Embodiments of the disclosure may provide a touch display device in which in a structure in which touch electrodes are separately disposed in a first sub area and a second sub area of an active area, X-touch electrodes disposed in the first sub area and the second sub area are electrically connected with each other, and Y-touch electrodes are electrically separated from each other. It is possible to reduce the load by a structure in which touch electrodes are divided for each sub area and to reduce the number of channels by driving the X-touch electrodes in the first sub area and second sub area by the same number of channels.

A method for sensing contactless touch using a touch sensor structure that senses contacting touch by operating some of touch electrode lines operating as touch driving electrodes and some of touch electrode lines operating as touch sensing electrodes upon contacting touch driving, as touch driving electrodes for sensing contactless touch, in a contactless touch driving period distinct from a contacting touch driving period.

Touch driving circuit and touch display device

Embodiments of the present disclosure are related to a touch display device. As a shape of a touch electrode adjacent to a boundary of an active area is implemented according to an arrangement structure of a light-emitting area of a subpixel, a touch sensing structure can be disposed to be suitable to an image display structure of a display panel.

The present disclosure is directed to a touch display device that is capable of reducing a load of a touch sensor structure disposed in a display panel and improving the accuracy of touch sensing capabilities of the touch display device. In one aspect, touch electrode lines disposed on an active area are disposed to be separated into a plurality of sub-areas. A number of touch routing lines connected to the touch electrode lines are disposed on the active area, thus a touch sensor structure with a reduced load can be provided while minimizing an increase of a non-active area due to an arrangement of the touch routing lines.

A touch display device and a touchscreen panel. Even in the case in which touch electrodes have different sizes or shapes or a located in different positions, a difference in capacitance is not formed among the touch electrodes. High touch sensitivity can be obtained. The touch display device comprises a plurality of touch electrodes, wherein a first touch electrode of the plurality of touch electrodes occupies a first area and comprises first mesh-shaped electrode metal. The touch display device comprises first dummy metal in a same layer as the first mesh-shaped electrode metal and in the first area occupied by the first touch electrode, the first dummy metal being electrically disconnected from the first mesh-shaped electrode metal.

Touch display device and touchscreen panel

The disclosure is related to a touch display device including a display panel. By dividing an active area of the display panel into a plurality of sub-areas, and driving a touch electrode disposed on each of the plurality of sub-areas separately, a load of the touch electrodes is reduced depending on a size of the display panel and a performance of a touch sensing can be improved.

The present disclosure provides a touch display device having a structure in which at least one touch electrode is disposed on an encapsulation layer, and including a noise shielding layer located between a layer in which the signal line under the encapsulation layer is disposed and a layer in which at least one light emitting element is disposed. The noise shielding layer can block coupling between the signal line and an electrode of the light emitting element, and reduce or prevent a fluctuation in the voltage of the electrode of the light emitting element from causing noise to occur in a touch sensing signal detected by the at least one touch electrode on the encapsulation layer.

A touch display device is disclosed. By making at least one of a thickness or an angle of inclination of an insulating layer disposed on an area where a touch routing line is disposed on a non-active area of a display panel and an area that lacks the touch routing line to be different from each other, a short circuit between touch routing lines due to a defect in a process arranging the touch routing lines can be reduced.

Embodiments of the present disclosure are related to a touch display device that includes a touch sensor. The touch sensor has a touch sensor structure that prevents or at least reduces a defect of a touch routing line that electrically connects a touch electrode and a touch pad. The defect is prevented or at least reduced due to a reduction of a height difference between a dam disposed between an active area and a pad area and a peripheral area thereof.

Growing community of inventors

Paju-si, South Korea

DeukSu Lee