Abstract: A display panel includes a first substrate and a second substrate. The first substrate includes a first base substrate having a plurality of touch cells, a plurality of gate lines formed on the first base substrate and disposed in the touch cells, and a plurality of sense lines disposed in the touch cells and respectively overlapping with at least two gate lines among the gate lines. The second substrate includes a second base substrate facing the first base substrate. Thus, a touch sense rate of the display panel and a display apparatus may be increased.

Abstract: A sensor substrate includes a base substrate, a black matrix pattern, a sensing electrode pattern, a driving electrode pattern, and at least one bridge line. The black matrix pattern is disposed on the base substrate and divides the base substrate into a light transmission area and a light blocking area. The sensing electrode pattern includes a plurality of first unit patterns arranged in association with a first direction. The driving electrode pattern includes a plurality of second unit patterns arranged in association with a second direction and disposed adjacent to the plurality of first unit patterns. The at least one bridge line is connected between at least two of the plurality of first unit patterns or between at least two of the plurality of second unit patterns.

Abstract: A light source assembly including a light source part, a light guide plate and a light-condensing sheet. The light source assembly generates light and includes at least one light source. The light guide plate includes an incident surface to which the light is incident, an opposing surface which is opposite to the incident surface, and an exiting surface which emits the light, and has a thickness which is gradually increased from the incident surface to the opposing surface. The light-condensing sheet includes a plurality of reverse prism patterns which protrude toward the exiting surface, extend along an arc of a circle, and are arranged in a concentric circle structure.

Abstract: A 3D image display includes a display panel operated in 2D and 3D driving modes and a barrier panel turned off in the 2D driving mode and turned on in the 3D driving mode to separate an image output from the display panel to left and right-eye images. The barrier panel includes a reference electrode, first barrier electrodes arranged in a first direction, second barrier electrodes alternately arranged with the first barrier electrodes along the first direction, and a liquid crystal layer interposed between the reference electrode and the first and second barrier electrodes. Each first barrier electrode includes first electrode pieces arranged in a zigzag fashion along a second direction different from the first direction, and each second barrier electrode includes second electrode pieces arranged in the zigzag fashion.

Abstract: A parallax barrier panel includes a first and second substrate and a fluidic layer disposed therebetween. The first substrate includes first electrode parts, a water-repellent layer and a partition wall. Each of the first electrode parts includes a main electrode and a first notch electrode and a second notch electrode. The main electrode extends in a first direction on a first base substrate. The first and second notch electrodes are adjacent to respective ends of the main electrode. The first and second notch electrodes extend along the main electrode in the first direction. The second substrate includes a second electrode part and a second base substrate, the second electrode part being disposed on the second base substrate. The second base substrate is disposed opposite to the first base substrate. The fluidic layer controls a light transmittance according to a voltage difference between the first and second electrode parts.

Abstract: Method of detecting a touched position on a touch display of a display apparatus includes determining an amount of an electrical charge generated by a touch on the touch display panel of a display apparatus, determining a difference between the amount of the electrical charge generated from the touch and an amount of a reference electrical charge and comparing this difference to a threshold value, detecting the position of the touch if it is determined that the difference between the amount of the electrical charge generated from the touch and the amount of the reference electrical charge is substantially the same as or larger than the threshold value and detecting the touched position using a pressure according to the touch if it is determined that difference between the amount of the electrical charge and the amount of the reference voltage is smaller than the threshold value.

Abstract: A liquid crystal display includes a first substrate, a second substrate having a first surface and a second surface facing the first substrate, a liquid crystal layer between the first and second substrates, and a touch sensor layer on the first surface. The touch sensor layer includes a first electrode in a first direction on the first surface, a second electrode in a second direction crossing the first direction on the first surface and including first and second portions that are separated by the first electrode, a bridge wire including first and second contacts on the first surface. The first contact is electrically connected to the first portion of the second electrode, and the second contact is electrically connected to the second portion of the second electrode. An insulating layer insulates the bridge wire from the first electrode and exposes the first contact and the second contact.

Abstract: A polarized light emitting light guide plate includes: a transparent substrate of optically isotropic material, in which the light incident through a lateral side thereof travels; an anisotropic liquid crystal polymer layer formed on an upper surface of the substrate and having first and second refractive indices with respect to first and second perpendicular polarization components; and a polarization separation microstructure formed at an interface between the transparent substrate and the liquid crystal polymer layer, which refracts or reflects the first polarization component and transmits the second polarization component. The refractive index of the polarization separation microstructure is substantially equal to the refractive index of the substrate; the first refractive index of the liquid crystal polymer layer is greater than the refractive index of the substrate, and the second refractive index of the liquid crystal polymer layer light is substantially equal to the refractive index of the substrate.

Abstract: A light sensing assembly includes a first light guide plate (“LGP”), a light-emitting diode (“LED”) part, an infrared LED part, a second LGP and a first sensor array. The LED part is at a side portion of the first LGP and emits white lights of a displayed image. The infrared LED part emits infrared lights of a detected touch. The second LGP is below the first LGP. The second LGP guides a path of the infrared lights of the detected touch inputted in accordance with a touch operation. The first sensor array is at a side portion of the second LGP and senses the reflected infrared lights which are guided by the second LGP.

Abstract: A liquid crystal display is provided that includes: a first display panel including a thin film transistor and a plurality of pixel electrodes; a second display panel facing the first display panel with a cell gap therebetween; a lower resistive layer disposed on the first display panel; an upper resistive layer disposed on the second display panel; and a sensing spacer connecting the lower resistive layer and the upper resistive layer.

Abstract: A polarization converting system and a method of manufacturing the same are provided. The polarization converting system includes a polarization splitting unit splitting incident unpolarized light into two orthogonal polarizations and a polarization converting unit converting incident light into specific polarized light. The polarization converting unit has first and second regions that correspond to the polarization splitting unit and are different in a polarization converting extent from each other.

Abstract: A method of determining a touch coordinate in a touch panel includes detecting a touch cell among a plurality of touch cells, wherein the plurality of touch cells are defined by a plurality of areas in the touch panel in which a first touch electrode and a second touch electrode overlap with each other, detecting a touch position in the detected touch cell based on a first electrical signal measured at least one of a plurality of terminals of the first and second touch electrodes, determining a number of touches based on a distance between a first touch and a second touch, determining expected touch coordinates corresponding to the number of touches, and determining the touch coordinate based on a second electrical signal measured at least one of the plurality of terminals of the first and second touch electrodes and the expected touch coordinates.

Abstract: A liquid crystal display includes a first substrate, a second substrate having a first surface and a second surface facing the first substrate, a liquid crystal layer between the first and second substrates, and a touch sensor layer on the first surface. The touch sensor layer includes a first electrode in a first direction on the first surface, a second electrode in a second direction crossing the first direction on the first surface and including first and second portions that are separated by the first electrode, a bridge wire including first and second contacts on the first surface. The first contact is electrically connected to the first portion of the second electrode, and the second contact is electrically connected to the second portion of the second electrode. An insulating layer insulates the bridge wire from the first electrode and exposes the first contact and the second contact.

Abstract: An object-sensing device is presented. The device includes a waveguide and a substrate holding a liquid crystal layer, wherein radiation propagates through the waveguide via total internal reflection. A radiation emitting element is positioned along a radiation input surface of the waveguide, and a radiation receiving element is positioned to receive radiation exiting the waveguide. The radiation receiving element may be positioned across the waveguide from the radiation emitting element. Alternatively, the radiation receiving element may be positioned on a surface that contacts the radiation input surface of the waveguide that is optically coupled to the radiation emitting element.

Abstract: A touch panel includes a first substrate and a second substrate facing each other, a plurality of first transparent resistance films formed on the first substrate and extending in a first direction, a plurality of second transparent resistance films formed on the second substrate and extending in a second direction crossing the first direction, a plurality of first signal lines respectively connected to first terminals at first ends of the plurality of first transparent resistance films, a plurality of second signal lines respectively connected to second terminals at second ends of the plurality of first transparent resistance films, a plurality of third signal lines respectively connected to third terminals at first ends of the plurality of second transparent resistance films, and a fourth signal line commonly connected to fourth terminals at second ends of at least two second transparent resistance films among the plurality of the second transparent resistance films.

Abstract: A touch panel includes first and second normally spaced apart substrates. The first substrate includes first spaced apart touch electrodes extended in a first direction and each having a first width (W1). The second substrate includes second spaced apart touch electrodes extended in a different second direction and each having a second width (W2) which is substantially narrower than the first width. One of the substrates can be flexed so that momentary shorting contact is established between corresponding first and second touch electrodes at positions where pressing touch is provided. A combination of interconnect wirings and interrogation circuits are provided for automatically determining where and when the temporary shorting contacts were made, even if plural ones are simultaneously made. The disclosed embodiments include ones where the number of interconnect wirings are reduced.

Abstract: A polarized light emitting light guide plate includes: a transparent substrate of optically isotropic material, in which the light incident through a lateral side thereof travels; an anisotropic liquid crystal polymer layer formed on an upper surface of the substrate and having first and second refractive indices with respect to first and second perpendicular polarization components; and a polarization separation microstructure formed at an interface between the transparent substrate and the liquid crystal polymer layer, which refracts or reflects the first polarization component and transmits the second polarization component. The refractive index of the polarization separation microstructure is substantially equal to the refractive index of the substrate; the first refractive index of the liquid crystal polymer layer is greater than the refractive index of the substrate, and the second refractive index of the liquid crystal polymer layer light is substantially equal to the refractive index of the substrate.

Abstract: A liquid crystal display (LCD) device that is switchable between a transmissive mode and a reflective mode is provided. The LCD device includes a backlight; an active reflective polarizer which operates as a reflector that reflects incident light or as a reflective polarizer that reflects light of a first polarization and transmits light of a second polarization perpendicular to the first polarization, based on whether a magnetic field is applied; and a liquid crystal panel that modulates incident light to form images. The liquid crystal panel includes a liquid crystal layer, a first polarizer that is disposed on a rear surface of the liquid crystal layer and faces the active reflective polarizer, and a second polarizer that is disposed on a front surface of the liquid crystal layer.

Abstract: A polarization converting system and a method of manufacturing the same are provided. The polarization converting system includes a polarization splitting unit splitting incident unpolarized light into two orthogonal polarizations and a polarization converting unit converting incident light into specific polarized light. The polarization converting unit has first and second regions that correspond to the polarization splitting unit and are different in a polarization converting extent from each other.

Abstract: A polarized light emitting light guide plate includes: a transparent substrate of optically isotropic material, in which the light incident through a lateral side thereof travels; an anisotropic liquid crystal polymer layer formed on an upper surface of the substrate and having first and second refractive indices with respect to first and second perpendicular polarization components; and a polarization separation microstructure formed at an interface between the transparent substrate and the liquid crystal polymer layer, which refracts or reflects the first polarization component and transmits the second polarization component. The refractive index of the polarization separation microstructure is substantially equal to the refractive index of the substrate; the first refractive index of the liquid crystal polymer layer is greater than the refractive index of the substrate, and the second refractive index of the liquid crystal polymer layer light is substantially equal to the refractive index of the substrate.