Abstract: The present invention relates to a novel polycyclic compound employed in an organic layer of an organoelectro luminescent device, wherein the organoelectro luminescent device employing the compound according to the present invention has remarkably improved luminous efficiency and a long lifespan. According to the present invention, it is possible to implement a highly efficient and long-life organoelectro luminescent device that can be effectively applied to various display devices.

Abstract: A display device, includes: a substrate including pixel areas and a transmissive area between the pixel areas; a pixel circuit layer including at least one transistor on each of the pixel areas; and a light-emitting element layer on the pixel circuit layer and including at least one light-emitting element at each of the pixel areas and coupled to the at least one transistor, and a transparent organic layer at the transmissive area, wherein the light-emitting element layer further includes: a first electrode at the pixel areas, a first inorganic layer at the first electrode, an organic layer covering the first inorganic layer and the transparent organic layer, and a second inorganic layer on the organic layer.

Abstract: A method of controlling the sensor cleaning system includes detecting contamination of an environmental sensor, determining a contamination source of the contamination when contamination of the environmental sensor is detected, and adjusting operation of an air cleaning system of the sensor cleaning system based on the determined contamination source.

Abstract: The present invention relates to a novel polycyclic compound employed by an organic layer of an organic light-emitting device, and an organic light-emitting device employing the compound according to the present invention has markedly improved luminous efficiency. According to the present invention, it is possible to achieve a highly efficient organic light-emitting device which can be effectively applied to a variety of display devices.

Abstract: A display device includes a display panel sliding in a first direction. A panel storage compartment is configured to accommodate the display panel therein and to assist a sliding operation of the display panel in the first direction. A plurality of segments are attached to a lower surface of the display panel, each of the plurality of segments are extended in a second direction intersecting the first direction, and are spaced apart from one another in the first direction. Bearings are disposed inside the plurality of segments and are at least partially exposed by the plurality of segments. The panel storage compartment includes guide rails engaged with the bearings.

Abstract: A display device includes a substrate including a display area including a plurality of main pixels, and a sensor area including a plurality of auxiliary pixels and a plurality of transmission portions; and a plurality of wirings arranged along edges of the plurality of transmission portions and electrically connecting the plurality of auxiliary pixels to each other. The plurality of wrings includes a first directional wirings extending in a first direction and arranged in a second direction crossing the first direction, and a second directional wirings extending in the second direction and arranged in the first direction, and a wiring adjacent to the transmission portion from among the first directional wirings includes a first extension portion.

Abstract: A display device includes a via layer disposed on a substrate and including a via groove having a shape recessed from a first surface to a second surface of the via layer. A first electrode is disposed on the first surface. A pixel-defining film is disposed on the via layer and the first electrode. A first pixel-defining film through-hole passes through the pixel-defining film in a thickness direction and exposes the first electrode. A second pixel-defining film through-hole passes through the pixel-defining film in the thickness direction. The second pixel-defining film through-hole is spaced apart from the first pixel-defining film through-hole and overlaps the via groove. An emission layer is disposed on an exposed portion of the first electrode. A protrusion is disposed on the pixel-defining film and includes a protrusion through-hole which passes through the protrusion in the thickness direction and overlaps the second pixel-defining film through-hole.

Abstract: An inspecting device of a display panel includes a contact including first probe pins that contact to data pads of a display panel and second probe pins that contact to common voltage pads of the display panel, a signal generator coupled to the first probe pins, the signal generator configured to generate a first data voltage corresponding to a first gray level and a second data voltage corresponding to a second gray level, a power generator coupled to the second probe pins, the power generator configured to generate a first common voltage and a second common voltage of which a voltage level is different from a voltage level of the second common voltage, and a defect detector configured to detect a defect of the display panel by removing a contact noise generated due to contact failure of the first probe pins and the second probe pins.

Abstract: A display panel inspection system includes a camera to image respective frames of a mother substrate in a frame-by-frame manner, a stage to move the mother substrate relative to the camera, an image obtaining unit to store frames imaged by the camera, a gray level extracting unit that obtains gray level values of the frames, a frame matching unit that searches and matches two frames that match each other among the frames imaged by the camera, a correcting unit that performs correction on one of two frames matched with each other in consideration of an alignment error and an image distortion between the two frames, and a comparing unit that compares the gray level values of the two frames matched with each other, after the correction.

Abstract: A method for manufacturing a display device includes preparing a target panel including a first substrate and a second substrate disposed on one surface of the first substrate, the target panel including a sealing area between the first substrate and the second substrate, making sealing light be incident in the sealing area and receiving at least a part of the sealing light reflected from the sealing area, generating first data including at least one parameter of intensity, energy, current, and voltage, and determining whether sealing is defective by comparing the first data and prestored second data.

Abstract: In a device for detecting a defect, the device includes: an image pickup unit including pixels, the image pickup unit generating a substrate image by picking up an image of a substrate having patterns formed on a top surface thereof; and a controller for detecting a defect located on the substrate, based on the substrate image, wherein the substrate image includes pattern images corresponding to the patterns, wherein each of the pattern images includes pixel values, wherein the controller detects the defect by comparing weights of pixel values for each of the pattern images.

Abstract: According to an exemplary embodiment, a display substrate includes a gate metal pattern comprising a gate electrode, an active pattern disposed on the gate pattern and a source metal pattern disposed on the active pattern. The source metal pattern includes a first lower pattern disposed on the active pattern, a second lower pattern disposed on the first lower pattern, a low-resistance metal pattern disposed on the second lower pattern, and an upper pattern disposed on the low-resistance metal pattern. The first lower pattern, the second lower pattern, and the upper pattern each include a material that is the same.

Abstract: A liquid crystal display includes: a lower display panel including a lower polarizing plate disposed between a lower transparent substrate and a passivation layer of the lower display panel; and an upper display panel including an upper polarizing plate disposed between an upper transparent substrate and a passivation layer of the upper display panel, wherein at least one of the lower polarizing plate and the upper polarizing plate is a reflection type polarizing plate and includes a plurality of linear patterns arranged so as to be extended in one direction and a hydrophobic layer covering at least portion of side wall portions of the linear patterns.

Abstract: An inspecting device of a display panel includes a contact including first probe pins that contact to data pads of a display panel and second probe pins that contact to common voltage pads of the display panel, a signal generator coupled to the first probe pins, the signal generator configured to generate a first data voltage corresponding to a first gray level and a second data voltage corresponding to a second gray level, a power generator coupled to the second probe pins, the power generator configured to generate a first common voltage and a second common voltage of which a voltage level is different from a voltage level of the second common voltage, and a defect detector configured to detect a defect of the display panel by removing a contact noise generated due to contact failure of the first probe pins and the second probe pins.

Abstract: A display panel inspection system includes a camera to image respective frames of a mother substrate in a frame-by-frame manner, a stage to move the mother substrate relative to the camera, an image obtaining unit to store frames imaged by the camera, a gray level extracting unit that obtains gray level values of the frames, a frame matching unit that searches and matches two frames that match each other among the frames imaged by the camera, a correcting unit that performs correction on one of two frames matched with each other in consideration of an alignment error and an image distortion between the two frames, and a comparing unit that compares the gray level values of the two frames matched with each other, after the correction.

Abstract: A method for manufacturing a display device includes preparing a target panel including a first substrate and a second substrate disposed on one surface of the first substrate, the target panel including a sealing area between the first substrate and the second substrate, making sealing light be incident in the sealing area and receiving at least a part of the sealing light reflected from the sealing area, generating first data including at least one parameter of intensity, energy, current, and voltage, and determining whether sealing is defective by comparing the first data and prestored second data.

Abstract: According to an exemplary embodiment, a display substrate includes a gate metal pattern comprising a gate electrode, an active pattern disposed on the gate pattern and a source metal pattern disposed on the active pattern. The source metal pattern includes a first lower pattern disposed on the active pattern, a second lower pattern disposed on the first lower pattern, a low-resistance metal pattern disposed on the second lower pattern, and an upper pattern disposed on the low-resistance metal pattern. The first lower pattern, the second lower pattern, and the upper pattern each include a material that is the same.

Abstract: According to an exemplary embodiment, a display substrate includes a gate metal pattern comprising a gate electrode, an active pattern disposed on the gate pattern and a source metal pattern disposed on the active pattern. The source metal pattern includes a first lower pattern disposed on the active pattern, a second lower pattern disposed on the first lower pattern, a low-resistance metal pattern disposed on the second lower pattern, and an upper pattern disposed on the low-resistance metal pattern. The first lower pattern, the second lower pattern, and the upper pattern each include a material that is the same.

Abstract: In a device for detecting a defect, the device includes: an image pickup unit including pixels, the image pickup unit generating a substrate image by picking up an image of a substrate having patterns formed on a top surface thereof; and a controller for detecting a defect located on the substrate, based on the substrate image, wherein the substrate image includes pattern images corresponding to the patterns, wherein each of the pattern images includes pixel values, wherein the controller detects the defect by comparing weights of pixel values for each of the pattern images.

Abstract: A laser crystallization measuring apparatus including a spectrometer configured to measure actual data of a spectrum of an actual polycrystalline silicon layer crystallized by a laser crystallization device, and a simulation device that is connected to the spectrometer and is configured to determine simulation data of a spectrum of a virtual polycrystalline silicon layer according to a shape of a virtual protrusion formed in the virtual polycrystalline silicon layer, wherein a shape of an actual protrusion formed in the actual polycrystalline silicon layer is determined by using final data determined by selecting simulation data that is approximate to the actual data.