A method of determining a filling level of a product contained in a tank using a level gauge system, comprising the steps of: transmitting a first signal towards a surface of the product; receiving a first echo signal; determining a present echo characteristic value based on the first echo signal; and comparing the present echo characteristic value and a stored echo characteristic value. If a difference between the present echo characteristic value and the stored echo characteristic value is greater than a predefined value, the method further comprises transmitting at least a second transmit signal towards the surface; receiving at least a second echo signal; and determining the filling level based on the at least second electromagnetic echo signal.

A control circuit for a blender provides low-cost power conditioning through the use of a high resistance which provides temporary power for operation of low-voltage logic circuitry and low-voltage switches for a time sufficient to switch the motor on, and a lower resistance which provides sufficient power for maintaining the motor on state indefinitely as instructed by the low-voltage logic circuitry. Low average power dissipation is provided by powering the low-voltage logic circuitry and low-voltage switches using the high resistance in a standby mode and switching in the lower resistance only when the motor is activated.

The existing diodes in an LED or laser diode package are used to measure the junction temperature of the LED or laser diode. The light or laser emissions of a diode are switched off by removing the operational drive current applied to the diode package. A reference current, which can be lower the operational drive current, is applied to the diode package. The resulting forward voltage of the diode is measured using a voltage measurement circuit. Using the inherent current-voltage-temperature relationship of the diode, the actual junction temperature of the diode can be determined. The resulting forward voltage can be used in a feedback loop to provide temperature regulation of the diode package, with or without determining the actual junction temperature. The measured forward voltage of a photodiode or the emissions diode in a diode package can be used to determine the junction temperature of the emissions diode.

A fiber coupled semiconductor device and a method of manufacturing of such a device are disclosed. The method provides an improved stability of optical coupling during assembly of the device, whereby a higher optical power levels and higher overall efficiency of the fiber coupled device can be achieved. The improvement is achieved by attaching the optical fiber to a vertical mounting surface of a fiber mount. The platform holding the semiconductor chip and the optical fiber can be mounted onto a spacer mounted on a base. The spacer has an area smaller than the area of the platform, for mechanical decoupling of thermally induced deformation of the base from a deformation of the platform of the semiconductor device. Optionally, attaching the fiber mount to a submount of the semiconductor chip further improves thermal stability of the packaged device.

The invention provides a laser converter for converting a laser radiation of shorter wavelength to a laser radiation of longer wavelength using a single stage conversion. The laser converter comprises a laser diode for emitting a laser radiation in a first wavelength range, a cylindrical microlens for transferring and focusing the laser radiation to a laser chip and the laser chip for absorbing the laser radiation and emitting the laser radiation in a second wavelength range.

There is provided a surface emitting laser allowing a direction of a far-field pattern (FFP) centroid to be inclined from a normal direction of a substrate providing the surface emitting laser, comprising: a substrate; a lower reflecting mirror, an active layer, an upper reflecting mirror stacked on the substrate; and a surface relief structure located in an upper portion of a light emitting surface of the upper reflecting mirror, the surface relief structure being made of a material allowing at least some beams emitted from the surface emitting laser to be transmitted therethrough, a plurality of regions having a predetermined optical thickness in a normal direction of the substrate being formed in contact with other region in an in-plane direction of the substrate, and a distribution of the optical thickness in the in-plane direction of the substrate is asymmetric to a central axis of the light emitting regions.

Improved brightness and feedback multi-emitter laser diode modules and methods are provided. A plurality of laser diode emitters emit broad-area light beams in a beam direction. In cross-section, each beam is broad in its slow axis and narrow in its fast axis. Groups of downstream optical components collimate, shape, stack and direct the beams along a light path towards a beam spot (which may be fiber-coupled). After collimating, stacking and directing, the beams are Fourier transformed in the fast-axis through a lens feature having a fast-axis focal length less than about 3 millimeters. In some embodiments, the fast-axis focal length is between about 0.1 and 2.0 millimeters. Astigmatism may be introduced between the fast axis and the slow axis in the beams upstream of the lens feature and in accordance with the fast axis focal length of the lens feature. The emitters may receive feedback including wavelength locking feedback.

A semiconductor laser produces infrared radiation suitable for jamming a heat seeking missile, wherein a wavelength of the radiation is in a range of 2-5 microns, and the laser has a semiconductor lasing medium of Pb1-xSexPb1-xSnxSe or Ga0.84In0.16As0.14Sb0.86. These materials can be doped to provide a p/n junction, wherein the laser is excitable by electric current passing through the p/n junction. The third one of these materials can be constructed also as a uniform undoped slab which is excitable optically. Cooling of the lasing medium is accomplished by use of a lithium heat sink thermally coupled to the lasing medium by a diamond thermal diffuser which conducts heat from the relatively small region of the laser to spread out the thermal energy along a relatively large surface of the heat sink. Modulation circuitry is connected to the excitation apparatus to provide a pulse train of the radiation.

Disclosed are a phase locked loop (PLL) of a digital scheme and a method thereof. More specifically, disclosed are a digital phase locked loop having a time-to-digital converter (TDC), a digital loop filter (DLF), and a digitally controlled oscillator (DCO), and that is designed to have a constant jitter characteristic at all times even though an operating condition of a circuit varies according to a process, voltage, temperature (PVT) change, and a method thereof.

A method for manufacturing a light-emitting device includes a step of forming an etching resistant protection layer on a substrate provided with an organic planarizing layer, a step of forming a plurality of electrodes on the etching resistant protection layer, a step of forming an organic compound layer on the substrate provided with the plurality of electrodes, a step of forming a resist layer on the organic compound layer formed on parts of electrodes among the plurality of electrodes using a photolithographic method, and a step of removing the organic compound layer in a region not covered with the resist layer by dry etching, wherein an entire surface of the organic planarizing layer on the substrate on which steps up to the step of forming the plurality of electrodes have been performed is covered with at least one of the etching resistant protection layer and the electrode.

A light-emitting device in which reduction in performance due to moisture is suppressed is provided. The light-emitting device has a structure in which a partition having a porous structure surrounds each of light-emitting elements. The partition having a porous structure physically adsorbs moisture; therefore, in the light-emitting device, the partition functions as a hygroscopic film at a portion extremely close to the light-emitting element, so that moisture or water vapor remaining in the light-emitting device or entering from the outside can be effectively adsorbed. Thus, reduction in performance of the light-emitting device due to moisture or water vapor can be effectively suppressed.

A fitting for a vehicle seat is disclosed, in particular for a motor vehicle seat. First and second fitting parts are geared with one another via a meshing gearwheel and gear rim. A peripheral eccentric is driven by a drive element for driving a relative rolling movement of the gearwheel and the gear rim, and the first fitting part receives the eccentric which is supported on the second fitting part. A blocking element blocks the eccentric in the non-driven state of the fitting via toothing on the first fitting part, and releases the eccentric when driven. The gear rim is formed on the first fitting part and the gearwheel is formed on the second fitting part.

In a fitting for a vehicle seat, a catch assembly has a pivot axis, and the catch assembly has a catch and a lever which can be pivoted relative to one another about an axis spaced from the pivot axis. The catch has a hook-like contour and in the pivoted-out position of the backrest engages with a catch locking element for locking in a punctiform or linear contact region. The catch cooperates with a spring. The lever is mounted pivotably about the pivot axis and the lever rotatably mounts the catch. In the unloaded pivoted-out position, the perpendicular in the contact region runs on one side of the pivot axis or through the pivot axis. When a return pivoting force is imposed on the backrest in the pivoted-out position, the perpendicular in the contact region runs on the opposing side of or outside of the pivot axis.

With a fitting for a vehicle seat, in particular for a motor vehicle seat, having a first fitting part and a second fitting part, which are rotatable relative to one another and are in geared connection with each other, an enclosing ring, which axially holds together the first fitting part and the second fitting part, forming a disc-shaped unit, and which is fixed to the first fitting part and engages over the second fitting part radially outside, and a third fitting part which is pivotably mounted relative to the first fitting part and which can be locked by means of a toothed pawl with a latching element which is provided on the first fitting part, the toothed latching element is formed on the first fitting part.

A light emitting diode (LED) driving apparatus is provided, which includes a power conversion circuit for receiving and converting an input power so as to generate a DC voltage to simultaneously drive a plurality of LED strings arranged in parallel; and a plurality of current regulation chips each having a single regulation channel and respectively corresponding to the LED strings, wherein an ith current regulation chip is only used for regulating a current flowing through an ith LED string, where i is a positive integer.

An object is to prevent an operation defect and to reduce an influence of fluctuation in threshold voltage of a field-effect transistor. A field-effect transistor, a switch, and a capacitor are provided. The field-effect transistor includes a first gate and a second gate which overlap with each other with a channel formation region therebetween, and the threshold voltage of the field-effect transistor varies depending on the potential of the second gate. The switch has a function of determining whether electrical connection between one of a source and a drain of the field-effect transistor and the second gate of the field-effect transistor is established. The capacitor has a function of holding a voltage between the second gate of the field-effect transistor and the other of the source and the drain of the field-effect transistor.

Provided are a bake hardening steel having a crystalline grain size of ASTM No. 9 or more and a method for preparing the bake hardening steel by controlling the winding, rolling and cooling conditions. The bake hardening steel includes: C:0.0016˜0.0025%, Si:0.02% or less, P:0.01˜0.05%, S:0.01% or less, sol.Al:0.08˜0.12%, N:0.0025% or less, Ti:0.003% or less, Nb:0.003˜0.011%, Mo:0.01˜0.1%, B:0.0005˜0.0015% or less, balance Fe and other inevitable impurities, wherein % is weight %, and Mn and P satisfy the relation of −30(° C.)≧803P−24.4Mn−58.

A system for lifting a vehicle via multiple slings comprises a vehicle not engineered with structural facility to withstand lifting forces, including a frame which unmodified will deform in response to vertically imposed lifting forces, frame reinforcing elements affixed to the frame at selected locations which are subject to lifting deformation, at least two lifting members at spaced-apart forward frame locations, at least two lifting members at spaced-apart rearward frame locations, and a plurality of elongate slings extending respectively between each lifting member and a common lifting vertex. Each lifting member has an enlarged lower base portion rigidly affixed to the frame and an upper lifting portion. The frame reinforcing elements resist deformation of the frame in response to vertically imposed lifting forces. The enlarged base portions of the lifting members apply forces over a correspondingly enlarged area of the frame and the reinforcing elements without deforming the frame.

A circuit includes a first power node at a first voltage level, a second power node at a second voltage level, a first voltage driver, a first current driver, and a control unit. The first voltage driver is configured to electrically couple a first output node to the first power node when a first input signal at the first input node is at a first logic state, and electrically couple a first output node to the second power node when the first input signal is at a second logic state. The first current driver is configured to inject or extract a first adjustment current into or out of a first output node. The control unit is configured to generate a measurement result of the first voltage level, and to set the first adjustment current according to the measurement result.

A semiconductor apparatus is provided herein for reducing power when transmitting data between a first device and a second device in the semiconductor apparatus. Additional circuitry is added to the semiconductor apparatus to create a communication system that decreases a number of state changes for each signal line of a data bus between the first device and the second device for all communications. The additional circuitry includes a decoder coupled to receive and convert a value from the first device for transmission over the data bus to an encoder that provides a recovered (i.e., re-encoded) version of the value to the second device. One or more multiplexers may also be included in the additional circuitry to support any number of devices.

A mudguard gritter that can be easily installed on trucks, school buses, delivery trucks and semitrailers. It can be fixed to supports of existing mudguards. The mudguard gritter comprises a container forming a hopper having the shape of a conventional aileron, with a top rectangular opening of 150 mm per 600 mm and a bottom opening of 25 mm per 600 mm. The top site has a door with hinges that make it possible to fill up the container with fine gravel. A rake supports eccentric vertical stems, which meet through an intermediate guide, at the bottom, on a mobile plate driven by a dual action cylinder powered by compressed air passing through a valve whose control is on the dashboard of the vehicle.

An organic light emitting display device and a method of manufacturing the same are provided. The organic light emitting display device includes: a substrate including a display portion displaying an image as a plurality of sub-pixels that are arranged, and a non-display portion extending at an edge of the display portion; and a sealant formed along a periphery of the display portion, wherein an organic film having an emissive layer is formed on the plurality of sub-pixels, and an emissive layer storage unit storing an emissive layer coated on the non-display portion is formed between the display portion and the sealant. By forming the emissive layer storage unit by removing at least a part of a pixel defining layer on an edge of the substrate, a raw material of the emissive layer coated on the non-display portion on the substrate is easily processed via the emissive layer storage unit.

Disclosed is an organic light-emitting display device in which the substrate and the encapsulation substrate are attached to each other by using a frit. The organic light-emitting display device includes a first substrate including a pixel region in which an organic light-emitting diode is formed, and a non-pixel region. The organic light-emitting diode includes an organic light-emitting layer between a first electrode and a second electrode. A second substrate attached to the first substrate. A frit is provided between the non-pixel region of the first substrate and the second substrate to attach the first substrate and the second substrate. A reinforcement material of resin is formed outside the frit.

A light emitting display device and a method of fabricating the same are disclosed. The light emitting display device comprises: a substrate comprising an active region in which a plurality of active pixels for displaying images are formed and a first dummy region disposed outside the active region and in which a plurality of first dummy pixels is formed; a first electrode formed on the substrate in each pixel; a pixel defining layer having an opening that exposes the first electrode; a surface treatment layer formed on the first electrode and having a plurality of grooves in each of the first dummy pixels; a light emitting layer formed on the surface treatment layer; and a second electrode formed on the light emitting layer in each of the active pixels.

An OLED device is disclosed that enhances display quality by minimizing capacitance deviation between data lines of the OLED device. The capacitance deviation may be minimized by utilizing an expansion portion of a power line of the OLED device. The capacitance deviation may also by minimized by utilizing an overlap pattern that overlaps a plurality of the data lines.

A light-emitting device includes a light-emitting element with a pair of element electrodes as a first element electrode and a second element electrode positioned at the lower surface of the light-emitting element; a phosphor plate disposed on the upper surface of the light-emitting element; a first resin covering the lower surface and the peripheral side surface of the light-emitting element with the first element electrode and the second element electrode partly appearing from the first resin; and a second resin provided in the phosphor plate.

An organic light emitting display apparatus includes a pixel part including a pixel electrode, a light emitting layer and an opposite electrode, and a contact part in which the opposite electrode contacts a power line, wherein a first thickness of the opposite electrode in the pixel part is different from a second thickness of the opposite electrode in the contact part.

Disclosed is a method of producing an organic light emitting device, an organic light emitting device produced by using the method, and an apparatus used in the method. The method includes preparing a first electrode, forming one or more organic material layers on the first electrode, and forming a second electrode on the organic material layers, wherein the method includes changing functions of predetermined pattern regions of one or more layers of the organic material layers or the electrodes.

To provide a light emitting device that has a structure in which a light emitting element is sandwiched by two substrates to prevent moisture from penetrating into the light emitting element, and a method for manufacturing thereof. In addition, a gap between the two substrates can be controlled precisely. In the light emitting device according to the present invention, an airtight space surrounded by a sealing material with a closed pattern is kept under reduced pressure by attaching the pair of substrates under reduced pressure. A columnar or wall-shaped structure is formed between light emitting regions inside of the sealing material, in a region overlapping with the sealing material, or in a region outside of the sealing material so that the gap between the pair of substrates can be maintained precisely.

An organic light emitting diode device can have an enhanced thin film encapsulation layer for preventing moisture from permeating from the outside. The thin film encapsulation layer can have a multilayered structure in which one or more inorganic layers and one or more organic layers are alternately laminated. A barrier can be formed outside of a portion of the substrate on which the organic light emitting diode is formed. The organic layers of the thin film encapsulation layer can be formed inside an area defined by the barrier.

A manufacturing method of light emitting devices, comprises a substrate-forming step of forming a planar-shaped substrate, a frame-forming step of forming a closed frame on the substrate, an element-mounting step of mounting multiple light emitting elements in an inside of the frame, a sealing step of injecting a liquid material that is to be a sealing member to the inside of the frame so as to seal the multiple light emitting elements, and a dividing step of dividing the multiple light emitting elements together with the substrate and the sealing member so as to obtain multiple light emitting devices with the sealing member exposed from a side surface thereof.

An apparatus and a method of manufacturing a thin film semiconductor device having a thin film transistor with improved electrical properties in organic light-emitting display apparatus are described.

It is an object of the present invention to provide a light-emitting element with high light emission efficiency and with a long lifetime. A light-emitting device comprises a first electrode, a second electrode, a light-emitting layer, a first layer, and a second layer, wherein the first layer is provided between the light-emitting layer and the first electrode, the second layer is provided between the light-emitting layer and the second electrode, the first layer is a layer for controlling the hole transport, the second layer is a layer for controlling the electron transport, and light emission from the light-emitting layer is obtained when voltage is applied to the first electrode and the second electrode so that potential of the first electrode is higher than potential of the second electrode.

A window or door fitting for actuation of a mechanism integrated in a window or a door has a stop body that can be attached to the window or the door, a handle, that is rotatably mounted on the stop body in an axially fixed manner, a polygonal element for the mechanical coupling of the fitting to the mechanism integrated in the window of the door, and a coupling configuration formed between the handle and the polygonal element, with which a torque transference from the handle to the polygonal element can be effected, but can be blocked in the direction from the polygonal element to the handle. The coupling configuration has two driving elements for this, wherein a first diving element is connected to the handle in a rotationally locked manner, while a second driving element accommodates the polygon in a rotationally fixed manner.

A method of transmitting a training signal in a Wireless Local Area Network (WLAN) system includes generating one or more first training signals for a first destination station and one or more second training signals for a second destination station by applying a mapping matrix P to a training signal generation sequence, mapping the first training signals and the second training signals to a plurality of antennas according to an antenna mapping matrix, and performing Inverse Fast Fourier Transform (IFFT) on each of the first training signals and the second training signals mapped to the plurality of antennas and transmitting the training signals through the plurality of antennas.

The disclosure provides a method and device for retransmitting data under antenna gain imbalance, and the method includes: determining that gains of multiple antennas at a transmission terminal are imbalanced; using a better spatial sub-channel in the multiple antennas to retransmit data when streams transmitted by the multiple antennas adopt a same Modulation and Coding Scheme; and using a better spatial sub-channel in the multiple antennas to retransmit data and/or using a single-stream approach to retransmit data when the streams transmitted by the multiple antennas adopt different Modulation and Coding Schemes. The disclosure selects a corresponding retransmission approach according to the condition of a spatial sub-channel on which streams have an error, thus improving and ensuring success rate for retransmitting a stream.

Transmission quality is improved in an environment in which direct waves dominate in a transmission method for transmitting a plurality of modulated signals from a plurality of antennas at the same time. All data symbols used in data transmission of a modulated signal are precoded by hopping between precoding matrices so that the precoding matrix used to precode each data symbol and the precoding matrices used to precode data symbols that are adjacent to the data symbol in the frequency domain and the time domain all differ. A modulated signal with such data symbols arranged therein is transmitted.

A transport stream (TS) generating apparatus, a transmitting apparatus, a receiving apparatus, a digital broadcast system having the above, and a method thereof are provided. The digital broadcast system includes a transport stream (TS) generating apparatus which generates a multi transport stream (TS) by multiplexing a normal stream and a turbo stream having a variable coding rate, a transmitting apparatus which re-constructs the multi TS by processing the turbo stream, and transmits the re-constructed multi TS, and a receiving apparatus which receives the re-constructed multi TS, and decodes the normal stream and the turbo stream respectively, to recover normal data and turbo data. Accordingly, a multi TS, which includes normal stream and a turbo stream of various coding rates, can be transmitted and received efficiently.

Charge corresponding to a potential difference between electrodes of an electroluminescence element is accumulated in a period in which the electroluminescence element emits light; the potential difference is detected without decrease in the luminance at the time of light emission of the electroluminescence element; and a reference potential of one electrode of the electroluminescence element is changed based on the detected potential difference, so that reduction in luminance of the electroluminescence element due to deterioration of the electroluminescence element is compensated.

An organic light emitting display device includes: a scan driver; a data driver; a display unit including pixels located at crossing regions of scan lines and data lines; first power lines coupled between a first power supply and the pixels; at least one second power line located outside the display unit and coupled to a second power supply having a voltage different from a voltage of the first power supply; at least one third power line coupled to a third power supply having a voltage different from the voltage of the first power supply; and fourth power lines coupled to the pixels, wherein the pixels are charged with voltages corresponding to the data signals and the third power supply and are configured to control the amount of current flowing from the first power supply in response to the voltages charges in the pixels.

Embodiments of the present invention provide a filter, a receiver, a transmitter, and a transceiver. The filter includes a resonant cavity component, a microstrip filtering component, and two connecting pieces, where the resonant cavity component includes at least two resonant cavities connected in parallel, each resonant cavity is provided with a resonator and a tuning screw, the microstrip filtering component includes a dielectric substrate and a microstrip positioned on the dielectric substrate, one of the connecting pieces matches and connects one end of the microstrip to the resonator on one resonant cavity, the other connecting piece matches and connects the other end of the microstrip to the resonator on another resonant cavity, and impedance of the resonant cavity component is less than impedance of the microstrip filtering component.

A direct feeding apparatus for impedance matching of a wireless power transmission device includes a helical type resonator, and a feeding unit configured to directly feed power to a region having a relatively small current value as compared to a center of a conductive line of the resonator.

The invention relates to a device for inductively transmitting electrical energy to displaceable consumers (F1-F13) that can be moved along a track, having a primary conductor arrangement (2) divided into route segments (3-7) that are electrically separated from each other, and extending along the track, wherein individual route segments (3-7) are each associated with at least one current source (3'-7') for imprinting a continuous current into each of the route segments (3-7), and to a corresponding method. The aim of the invention is to supply the displaceable consumers in an energy-saving manner with electric energy matched to demand, and to allow short reaction times when operating the device. This aim is achieved by providing the device with a means (11) for determining the total power of the displaceable consumers (F1-F13) present in each of the individual route segments (3-7) and with a means (11) for actuating the current sources (3'-7') for applying the electrical continuous current corresponding to the total power required for each route segment (3-7), or by determining, according to the method, the required total power of the displaceable consumers (F1-F13) present in each route segment and applying an electrical continuous current to each route segment (3-7) by means of the associated current source (3'-7'), said current corresponding to the total power required therein.

Group III nitride based light emitting devices and methods of fabricating Group III nitride based light emitting devices are provided. The emitting devices include an n-type Group III nitride layer, a Group III nitride based active region on the n-type Group III nitride layer and comprising at least one quantum well structure, a Group III nitride layer including indium on the active region, a p-type Group III nitride layer including aluminum on the Group III nitride layer including indium, a first contact on the n-type Group III nitride layer and a second contact on the p-type Group III nitride layer. The Group III nitride layer including indium may also include aluminum.

A light emitting device package is provided comprising a light emitting device including at least one light emitting diode and a body including a first lead frame on which the light emitting device is mounted and a second lead frame spaced apart from the first lead frame, wherein at least one of the first and second lead frames is extending to a bending region in a first direction by a predetermined length on the basis of an outer surface of the body and is bent in a second direction intersecting the first direction.

An organic light emitting display device includes a light shield layer formed on a substrate and a buffer layer formed on an entire surface of the substrate, an oxide semiconductor layer and first electrode formed on the buffer layer, a gate insulation film and gate electrode formed on the oxide semiconductor layer while being deposited to expose both edges of the oxide semiconductor layer, an interlayer insulation film formed to expose both the exposed edges of the oxide semiconductor layer and the first electrode, source and drain electrodes connected with one edge and the other edge of the oxide semiconductor layer, respectively, and a protective film formed to cover the source and drain electrodes while exposing a region of the first electrode so as to define a luminescent region and a non-luminescent region.

A semiconductor light-emitting device includes a lamination of semiconductor layers including a first layer of a first conductivity type, an active layer, and a second layer of a second conductivity type; a transparent conductive film formed on a principal surface of the lamination and having an opening; a pad electrode formed on part the opening; and a wiring electrode connected with the pad electrode, formed on another part of the opening while partially overlapping the transparent conductive film; wherein contact resistance between the transparent conductive film and the lamination is larger than contact resistance between the wiring electrode and the lamination. Field concentration at the wiring electrode upon application of high voltage is mitigated by the overlapping transparent conductive film.

There is provided a substrate for light-emitting element, including a mounting surface on which a light-emitting element is to be mounted, the mounting surface being one of two opposed main surfaces of the substrate. The substrate of the present invention is provided with a protection element for the light-emitting element, the protection element comprising a voltage-dependent resistive layer embedded in a body of the substrate, and comprising a first electrode and a second electrode each of which is in connection with the voltage-dependent resistive layer wherein the light-emitting element is to be mounted such that it is positioned in an overlapping relation with the voltage-dependent resistive layer.

According to one embodiment, a semiconductor light emitting device includes a stacked structure body, a first electrode, a second electrode, and a dielectric body part. The stacked structure body includes a first semiconductor layer, having a first portion and a second portion juxtaposed with the first portion, a light emitting layer provided on the second portion, a second semiconductor layer provided on the light emitting layer. The first electrode includes a contact part provided on the first portion and contacting the first layer. The second electrode includes a first part provided on the second semiconductor layer and contacting the second layer, and a second part electrically connected with the first part and including a portion overlapping with the contact part when viewed from the first layer toward the second layer. The dielectric body part is provided between the contact part and the second part.

A light emitting device including a light emitting structure having a first conduction type semiconductor layer, an active layer, and a second conduction type semiconductor layer, a transparent conductive layer disposed on the light emitting structure, a metal filter having an irregular pattern disposed between the light emitting structure and the transparent conductive layer, and openings disposed between the irregular patterns in the metal filter.