Abstract: A light emitting device of an embodiment includes a substrate, a light emitting structure disposed under the substrate, the light emitting structure including a first conductive semiconductor layer, an active layer, and a second conductive semiconductor layer, first and second electrodes respectively connected to the first and second conductive semiconductor layers, a metal reflecting layer disposed under the light emitting structure, and a first insulating layers disposed between the first electrode and the light emitting structure, between the first electrode and the second electrode, and between the first electrode and the metal reflecting layer, wherein the metal reflecting layer includes a first segment overlapped with the second electrode in a thickness direction of the light emitting structure and a second segment disposed with extending from the first segment.

Abstract: A light emitting device package according to an embodiment comprises: a light emitting device comprising a light emitting structure including a first conductive semiconductor layer, an active layer, and a second conductive semiconductor layer; first and second lead frames disposed to be spaced apart from each other; first and second solder portions disposed on the first and second lead frames, respectively; and first and second pads disposed between the first and second solder portions and the first and second conductive semiconductor layers, respectively, wherein at least one of the first or second pad comprises at least one of a rounding portion and a chamfer portion, wherein the first pad comprises a first-first edge and a first-second edge being positioned farther than the first-first edge from the center of the light emitting device, wherein the second pad comprises a second-first edge and a second-second edge being positioned farther than the second-first edge from the center of the light emitting devic

Abstract: A light emitting device and a light emitting device package are provided. The light emitting device may include a substrate, a light emitting structure provided under the substrate and including a first conductive semiconductor layer, an active layer, and a second conductive semiconductor layer, a first insulating layer configured to expose the second conductive semiconductor layer and provided on a lower edge of the light emitting structure, a first light permeable electrode layer provided under the second conductive semiconductor layer exposed by the first insulating layer, a second light permeable electrode layer provided under the first insulating layer and the first light permeable electrode layer, and a reflective layer provided under the second light permeable electrode layer.

Abstract: A light emitting device and a light emitting device package are provided. The light emitting device may include a substrate, a light emitting structure provided under the substrate and including a first conductive semiconductor layer, an active layer, and a second conductive semiconductor layer, a first insulating layer configured to expose the second conductive semiconductor layer and provided on a lower edge of the light emitting structure, a first light permeable electrode layer provided under the second conductive semiconductor layer exposed by the first insulating layer, a second light permeable electrode layer provided under the first insulating layer and the first light permeable electrode layer, and a reflective layer provided under the second light permeable electrode layer.

Abstract: A light outputting device includes, a substrate, a vertical cavity surface emitting laser (VCSEL) provided on a surface of the substrate, including a light emitting surface which emits a light, and a monitoring detector provided on the light emitting surface of the VCSEL to receive a part of the light emitted from the VCSEL so as to monitor the amount of the light emitted from the VCSEL.

Abstract: A display panel includes a base substrate, a first linear pattern on the base substrate along a first direction and a second linear pattern on the first linear pattern along a second direction crossing the first direction. The display panel further includes a color filter layer on the first linear pattern and an overcoat layer on the second linear pattern. The color filter layer includes a number of color filter patterns disposed along the first direction. The first direction is perpendicular to the second direction. The invention also discloses a fabrication method of the display panel. The method includes forming the first linear pattern and forming the second linear pattern. Here, a gravure printing forms the first and the second linear patterns. The fabrication method further includes forming the color filter layer. The method further includes flattening the color filter layer and forming an overcoat layer on the second linear pattern.

Abstract: A light outputting device includes, a substrate, a vertical cavity surface emitting laser (VCSEL) provided on a surface of the substrate, including a light emitting surface which emits a light, and a monitoring detector provided on the light emitting surface of the VCSEL to receive a part of the light emitted from the VCSEL so as to monitor the amount of the light emitted from the VCSEL.

Abstract: The present invention relates to a gravure printing method comprising providing a printing substrate where a plurality of recessed cells are formed adjacently each other; filling the recessed cells with ink using an ink jet apparatus which includes a plurality of nozzle heads to jet different colors of inks; and transferring the ink in the recessed cells to an insulating substrate. Thus, the present invention provides a gravure printing method which has a simple process and an improved yield.

Abstract: A display panel includes a base substrate, a first linear pattern on the base substrate along a first direction and a second linear pattern on the first linear pattern along a second direction crossing the first direction. The display panel further includes a color filter layer on the first linear pattern and an overcoat layer on the second linear pattern. The color filter layer includes a number of color filter patterns disposed along the first direction. The first direction is perpendicular to the second direction. The invention also discloses a fabrication method of the display panel. The method includes forming the first linear pattern and forming the second linear pattern. Here, a gravure printing forms the first and the second linear patterns. The fabrication method further includes forming the color filter layer. The method further includes flattening the color filter layer and forming an overcoat layer on the second linear pattern.

Abstract: A planar light waveguide circuit includes a plurality of landmarks arranged on the planar light waveguide circuit at intervals of a specific gap starting from a cut section of the planar light waveguide circuit so as to increase the uniformity of a coupling loss that occurs when connecting the planar light waveguide circuit in alignment with optical fiber blocks, wherein the landmarks are formed onto the planar light waveguide circuit so as to enable an operator to monitor a permissible angle error, and wherein Arabic numerals or specific symbols are marked in association with the landmarks to help the operator distinguish the landmarks.

Abstract: A planar light waveguide circuit includes a plurality of landmarks arranged on the planar light waveguide circuit at intervals of a specific gap starting from a cut section of the planar light waveguide circuit so as to increase the uniformity of a coupling loss that occurs when connecting the planar light waveguide circuit in alignment with optical fiber blocks, wherein the landmarks are formed onto the planar light waveguide circuit so as to enable an operator to monitor a permissible angle error, and wherein Arabic numerals or specific symbols are marked in association with the landmarks to help the operator distinguish the landmarks.

Abstract: A hybrid shaft adapted to be used as a drive shaft of an automobile transmission system comprises a unitary cylindrical hybrid stem formed from a metal tube and a composite material layer adhered to the metal tube. The metal tube provides torque-transmission strength to the hybrid shaft while the composite material layer increases a specific modulus of the hybrid shaft. The hybrid shaft is produced by stacking a composite material layer on a metal tube, putting a thermal shrinkage tube on the composite material layer, and co-curing the metal tube and the composite material layer while exerting a longitudinal compression force on the metal tube to prevent it from being thermally expanded.

Abstract: The present invention provides a method for fabricating spindle and roller empying rotation axes made of a composite material, which comprises a step of inserting a front metal part and an end metal part into a front and an end of a rotation axis made of a composite material. In accordance with the present invention, spindle and roller with easy control of balancing and less inertia on rotation, can be fabricated, by employing rotation axes made of a composite material which has a high stiffness, superior torque transfer capability and natural frequency.