Dongwoo Fine-chem Co., Ltd.

Do Hyoung Kwon

Sung Jin Noh

Jun Gu Lee

Sang Jin Park

Cheol Hun Lee

Han Tae Ryu

Ki Deok Lee

Yoon Ho Huh

Ki Joon Park

Jong Hee Kim

A sensor device package includes a sensor device including touch sensing electrodes and an antenna unit, and a circuit board bonded to the sensor device. The circuit board includes a core layer including a first surface and a second surface which face each other, a first conductive layer including first touch sensor signal lines and a first antenna signal line distributed at the same level on the first surface, a second conductive layer including second touch sensor signal lines and a second antenna signal line distributed at the same level on the second surface, an antenna via structure which penetrates the core layer to connect the first antenna signal line and the second antenna signal line with each other, and a touch sensor via structure which penetrates the core layer to connect the first touch sensor signal lines and the second touch sensor signal lines to each other, respectively.

Sensor device package and image display device including the same

A circuit board for a light-emitting diode assembly according to an embodiment includes a substrate layer, dimming zones formed on one surface of the substrate layer, each of the dimming zones comprising a predetermined number of LED landing pads, and a wiring bundle disposed between the dimming zones neighboring in a row direction to extend in a column direction, the wiring bundle including wirings connected to the LED landing pads at the same level.

Circuit board for light-emitting diode assembly, backlight unit including the same and image display device including the same

A circuit board for a light-emitting diode assembly includes a substrate layer, a dimming zone column disposed on one surface of the substrate layer, the dimming zone column including dimming zones, each of the dimming zones including a predetermined number of LED landing pads. The dimming zones includes a predetermined number of first dimming zones and a predetermined number of second dimming zones, a first common wiring commonly connected to the first dimming zones and disposed at a first lateral side in a row direction of the dimming zone column, a second common wiring connected to the second dimming zones and disposed at a second lateral side in the row direction opposite to the first lateral side of the dimming zone column, and an individual wiring connected to each of the dimming zones.

A circuit board for a light-emitting diode assembly according to an embodiment includes a substrate layer having a first surface and a second surface facing each other, a conductive circuit layer disposed on the first surface of the substrate layer and having a single-layered structure, and an insulating layer formed on the first surface of the substrate layer to cover the conductive circuit layer. Channel resistance, luminous efficiency and luminous uniformity can be improved through a side connection of a dimming zone while vias or contacts are omitted.

A touch sensor according to an embodiment of the present invention includes a substrate layer, and sensing electrodes which are disposed on the substrate layer, and have etching regions formed therein in a periodically repeated manner and respectively having a width of 5 to 15 &#x3bc;m. Through the etching regions, transmittance may be improved and optical interference with an image display device may be reduced. The present invention also provides a window stack structure and an image display device including the touch sensor.

Touch sensor, window stack structure including the same and image display device including the same

A touch sensor according to an embodiment of the present invention includes a substrate layer, sensing electrodes disposed on the substrate layer, an insulating layer covering the sensing electrodes on the substrate layer, a bridge electrode electrically connecting neighboring sensing electrodes of the sensing electrodes on the insulating layer, and floating electrodes distributed around the bridge electrode on the insulating layer.

Touch sensor and image display device including the same

A touch sensor according to an embodiment of the present invention includes a base layer, a bridge electrode disposed on a top surface of the base layer, auxiliary electrodes disposed around the bridge electrode to be physically spaced apart from the bridge electrode, first sensing electrodes electrically connected to each other via the bridge electrode, and second sensing electrodes electrically separated from the first sensing electrodes and arranged in a direction different from an arrangement direction of the first sensing electrodes. A resistance may be decreased and a visual recognition of the bridge electrode may be suppressed using the auxiliary electrodes.

A touch sensor includes a substrate, and an electrode formed from a conductive stack structure including a first conductive oxide layer, a copper-containing metal layer and a second conductive oxide layer sequentially stacked from the substrate. The first conductive oxide layer and the second conductive oxide layer each include a copper-metal oxide. Chemical and mechanical stability of an electrode may be improved by the first and second conductive oxide layers.

Touch sensor, method of manufacturing the same and image display device including the same

A touch sensor according to an embodiment of the present invention includes a substrate layer, sensing electrodes arranged on a top surface of the substrate layer, the sensing electrodes having boundaries in which a plurality of convex portions are connected, and a dummy electrode disposed between the sensing electrodes, the dummy electrode having a boundary in which a plurality of convex portions are connected. The sensing electrodes include a first sensing electrode arranged in a column direction and a second sensing electrode arranged in a row direction. A convex portion in a region where the first sensing electrode, the second sensing electrode and the dummy electrode are adjacent to each other has a radius of curvature less than that of a convex portion in other regions.

A touch sensor according to an embodiment of the present invention includes a base layer, a first electrode layer including first dummy electrodes and first sensing electrodes including first holes therein arranged on a top surface of the base layer, the first sensing electrodes, an insulating interlayer formed on the base layer and covering the first electrode layer, and a second electrode layer including second dummy electrodes and second sensing electrodes including second holes therein arranged on a top surface of the insulating interlayer. An electrode visual recognition can be suppressed by an overlapping arrangement of the holes and the electrode patterns.

A touch sensor according to an embodiment of the present invention includes a substrate layer, and sensing electrodes arranged on the substrate layer. The sensing electrodes includes a stacked structure of a transparent oxide electrode layer and a metal layer, and has an optical ratio of 5 or less. A structure of high transmittance and low reflectance can be implemented by a control of the optical ratio of the sensing electrodes.

An improved touch sensor comprising a first sensing electrode unit formed on a substrate in a first direction and a second sensing electrode unit formed on the substrate in a second direction crossing the first direction. A plurality of fine etching patterns are formed in boundary portions of unit transparent electrodes included in the first sensing electrode unit and the second sensing electrode unit. Each unit transparent electrode may have a shape in which a portion of a curved line connecting the vertices of a polygon is removed. Adjacent unit transparent electrodes may be electrically connected to one another. The improved touch sensor prevents a transparent electrode from being visible to a user sensor and also results in the prevention of a reduction in light transmittance caused by the transparent electrode as well as the prevention a reduction in optical quality due to a moir&#xe9; phenomenon.

Touch sensor

Touch sensor including a first detection electrode portion formed on a substrate in a first direction, and a second detection electrode portion formed on the substrate in a second direction intersecting the first direction, wherein a plurality of fine etched patterns are formed in a boundary portion between unit transparent electrodes included in the first detection electrode portion and the second detection electrode portion, the unit transparent electrode has a shape in which a part of the boundary portion having a polygonal shape is removed by fine etched patterns, and the adjacent unit transparent electrodes are electrically connected. The transparent electrode may be visually hidden due to differences in optical properties between electrode regions wherein the transparent electrode is formed and inter-electrode regions wherein a transparent electrode is not formed, and a phenomenon wherein light transmittance of the touch sensor decreases due to the transparent electrode may also be prevented.

A touch sensor includes a base layer, sensing electrodes arranged on the base layer, a bridge electrode and a connecting portion. The sensing electrode layer includes first sensing electrodes arranged along a first direction parallel to a top surface of the base layer, and second sensing electrodes arranged along a second direction parallel to the top surface of the base layer. The bridge electrode is disposed on the sensing electrodes to electrically connect the first sensing electrodes neighboring in the first direction to each other. The bridge electrode includes an extension portion and expanded portions formed both ends of the extension portion. The expanded portion has a width greater than that of the extension portion. The connecting portion electrically connects the second sensing electrodes neighboring in the second direction and includes at least one etched region.

A touch sensor includes a substrate layer, sensing electrodes on the substrate layer, and optical compensation patterns. The sensing electrodes include electrode lines therein which extend in different directions to cross each other. The sensing electrodes are defined by separation regions at which portions of the electrode lines are cut. The optical compensation patterns are disposed at a different level or a different plane from that of the sensing electrodes. The optical compensation pattern at least partially fills the separation regions in a planar view. Optical properties of the touch sensor are improved by the optical compensation pattern, and visibility of electrodes is prevented.

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Gyeonggi-do, South Korea

Do Hyoung Kwon