Patent application number | Description | Published |
20140359969 | MOTOR APPARATUS AND CLEANER HAVING THE SAME - A motor apparatus having a high efficiency and reducing manufacturing cost by using a cost effective ferrite permanent magnet includes a rotatable shaft, a fan connected to one side of the shaft to generate a flow of air, a stator including stator cores arranged in a circumferential direction, and a coil wound around the stator core, and a rotor disposed at an inside of the stator and provided in a form of a cylinder having a passage allowing the shaft to pass through the rotor includes a rotor core provided with a protrusion structure and one or more ferrite magnets coupled to the rotor core to provide a magnetic force. By using a ferrite magnet, when compared to a conventional universal motor, a superior efficiency is obtained, and when compared to a BLDC motor using a Nd magnet, a low cost BLDC motor is implemented. | 12-11-2014 |
20150022042 | MOTOR - A motor having an improved structure to enhance durability. The motor includes a stator including stator cores and coils wound on the stator cores, a rotor disposed at the inside of the stator and rotated by electromagnetic interaction with the stator, and a motor shaft combined with the rotor so as to be rotated together with the rotor. The rotor includes a plurality of rotor cores arranged to be separated from each other in the circumferential direction of the rotor, a plurality of rotor slots formed between the plurality of rotor cores, a plurality of permanent magnets inserted into the plurality of rotor slots, molding members filling the plurality of rotor slots so as to cover the outer ends of the plurality of permanent magnets, and a plurality of reception holes provided on the plurality of rotor cores so as to be filled with the molding members. | 01-22-2015 |
20150155747 | MOTOR AND WASHING MACHINE HAVING THE SAME - A washing machine includes a motor configured to rotate a drum, and the motor includes a stator having stator cores and coils wound around the stator cores, and a rotor configured to rotate in electromagnetic interaction with the stator. The rotor includes a plurality of rotor cores arranged spaced apart from each other in a circumferential direction of the rotor, a plurality of rotor slots formed between the plurality of rotor cores, a plurality of permanent magnets inserted into the plurality of rotor slots, and a plurality of connection members disposed outside the permanent magnets in a radial direction of the rotor and configured to connect between the plurality of rotor cores. | 06-04-2015 |
20150211548 | MOTOR - A motor includes a control part assembly having an air inlet through which air is inlet, an air flow path configured to communicate with the air inlet, and a printed circuit board; and a motor part assembly having a stator configured to generate magnetic flux when a current is applied, a rotor structured to be rotated while interacting with the stator electromagnetically, a motor shaft provided to be rotated together with the rotor, and an impeller coupled to the motor shaft and provided to be rotated to generate air flow, and is configured to be detachably coupled to the control part assembly. Through the structure as such, the performance of the motor may be improved. | 07-30-2015 |
20150351599 | VACUUM CLEANER WITH MOTOR ASSEMBLY - Disclosed herein are a motor assembly having an improved arrangement structure in which a motor assembly is arranged to an inside of a vacuum cleaner or having an improved internal structure such that an impeller and a rotor are concentrically disposed, and a vacuum cleaner having the same. | 12-10-2015 |
20150357871 | MOTOR ASSEMBLY AND METHOD FOR PROVIDING THE SAME - A motor assembly having an internal channel passing an interior of a rotor, and a method for producing the same are provided. The motor assembly includes an adhesive flowing along the internal channel, and the rotor can be firmly coupled and improving durability and production efficiency of the rotor. | 12-10-2015 |
20160037984 | VACUUM CLEANER - A vacuum cleaner having an improved structure capable of enhancing suction performance includes a suction unit provided in a main body, the suction unit including an impeller disposed to suck air by rotating about an axis thereof, and a diffuser disposed to guide air discharged from the impeller. The diffuser includes an inner casing, an outer casing disposed to be spaced apart from an outer circumference of the inner casing and to form a path through which the air discharged from the impeller flows, and a plurality of vanes disposed at the inner casing to guide the air discharged from the impeller to the path, and the plurality of vanes protrude toward the outer casing to cross at least a part of the path. | 02-11-2016 |
Patent application number | Description | Published |
20130057103 | MOTOR AND WASHING MACHINE HAVING THE SAME - A motor includes a stator having stator cores, a coil wound around the stator cores, and a rotor disposed at an inner side of the plurality of stator cores. The rotor includes a sleeve, a plurality of rotor cores arranged in a circumferential direction of the rotor, a plurality of bridges arranged to connect the sleeve to each of the plurality of rotor cores, a plurality of permanent magnets provided between the rotor cores to form an interior space with respect to the sleeve while being spaced apart from the sleeve, and a plurality of support protrusions protruding from the sleeve in an outward radial direction of the sleeve to support the plurality of permanent magnets while corresponding to the plurality of permanent magnets, respectively, the plurality of support protrusions being arranged between the bridges while being spaced apart from the bridges in the circumferential direction of the rotor. | 03-07-2013 |
20130061640 | MOTOR AND WASHING MACHINE HAVING THE SAME - A motor having a structure capable of achieving an enhancement in durability and a washing machine, to which the motor is applied. The motor includes a stator including a plurality of stator cores arranged in a circumferential direction, and coils respectively wound around the stator cores, and a rotor rotatably arranged inside or outside the stator. The rotor includes a plurality of rotor cores arranged in a circumferential direction of the rotor, a plurality of magnets each disposed between neighboring ones of the rotor cores, a molded body having a bridge to support the plurality of rotor cores and the plurality of magnets, and a coupler including coupling ribs outwardly extending from an outer circumferential surface of the bridge in a radial direction of the rotor, and coupling grooves formed at inner ends of the rotor cores supported by the bridge, to receive the coupling ribs, respectively. | 03-14-2013 |
20130187486 | MOTOR AND ROTOR THEREOF - A rotor having an improved structure capable of achieving an enhancement in durability and a motor having the rotor are disclosed. The rotor is configured to co-operate with a stator in an electromagnetic manner such that the rotor rotates. The rotor includes a sleeve having a shaft hole, through which the motor shaft extends, rotor cores spaced apart from one another in a circumferential direction of the rotor, and at least one of permanent magnets disposed between adjacent ones of the rotor cores such that the permanent magnets are arranged in a radial manner about the sleeve. First and second cover plates are disposed at opposite sides of the permanent magnets in an axial direction. The first and second cover plates have plate holes respectively corresponding to the through holes of the rotor cores. The rotor cores and the first and second cover plates are coupled by fastening members. | 07-25-2013 |
20130187506 | MOTOR AND ROTOR THEREOF - A rotor having an improved structure capable of achieving enhanced durability is disposed in a motor, the rotor including a sleeve having a shaft hole, through which a motor shaft extends, rotor cores spaced apart from one another in a circumferential direction of the rotor, and permanent magnets each disposed between adjacent ones of the rotor cores such that the permanent magnets are arranged in a radial manner about the sleeve. First and second cover plates may be disposed at opposite sides of the permanent magnets in an axial direction. Each of the first and second cover plates may include a shaft receiving hole to receive the motor shaft. The rotor may include a plurality of support members each having a magnet support portion arranged to support an outer end of a corresponding one of the permanent magnets in a radial direction of the rotor. | 07-25-2013 |
20130199249 | MOTOR AND WASHING MACHINE HAVING THE SAME - A motor includes an enhanced strength of a stator, the stator being formed with a plurality of core plates stacked one on top of another, and a rotor rotatably disposed at an inner side or at an outer side of the stator. Each core plate includes a body provided in a shape of an arc, a plurality of teeth radially extended from the body, and having a coil wound thereto, at least one first slit part formed on the body by being slit in a radial direction of the body, and at least one second slit part formed on the body by being slit in a circumferential direction of the body. | 08-08-2013 |
20130200747 | MOTOR AND WASHING MACHINE HAVING THE SAME - A motor having an improved structure to be driven while maintaining a constant level of performance, and a washing machine having the same, the washing machine including a body, a tub disposed inside the body, a drum rotatably disposed inside the tub, and a motor coupled to a rear surface of the tub to drive the drum, wherein the motor includes a stator, which includes at least one fixing pin inserted into the rear surface of the tub; and at least one fixing hole concentrically disposed with the at least one fixing pin, and a rotor rotatably disposed at an inner side or at an outer side of the stator. | 08-08-2013 |
20140035430 | MOTOR AND WASHING MACHINE HAVING THE SAME - A motor having an improved structure to enhance productivity and assemblability and a washing machine having the same includes a main body, a tub disposed in the main body, a drum rotatably disposed in the tub, and a motor mounted to a surface of the tub to rotate the drum. The motor includes a stator including a stator core and an insulator to cover the stator core, and a rotor rotatably disposed either inside or outside the stator. The insulator includes at least one support protrusion protruding from an inner circumferential surface of the insulator toward a center of the stator in order to support the stator core. | 02-06-2014 |
20140069150 | MOTOR AND WASHING MACHINE HAVING THE SAME - A motor having an improved structure that prevents infiltration of moisture into the motor and a washing machine having the same. A washing machine includes a body, a tub disposed in the body, a drum rotatably disposed in the tub, and a motor including a stator coupled to a rear surface of the tub and a rotor rotatably disposed inside the stator. The stator includes a stator core, a first insulator and a second insulator to cover both ends of the stator core, and at least one moisture infiltration prevention member disposed between the first insulator and the second insulator to prevent infiltration of moisture into the stator core. | 03-13-2014 |
20140070653 | MOTOR - A motor having a structure that enhances durability of the motor. The motor includes a stator and a rotor rotatably disposed at an inside outside of the stator. The rotor includes a plurality of rotor cores radially disposed and a plurality of magnets respectively disposed between rotor cores. The area of a lateral surface of each of the magnets adjoining a lateral surface of a corresponding one of the rotor cores is greater than the area of an imaginary plane connecting one end of an upper end portion of each of the magnets to one end of a lower end portion of each of the magnets. | 03-13-2014 |
20140070657 | MOTOR AND WASHING MACHINE HAVING THE SAME - A washing machine with a motor having a structure with improved performance. The washing machine includes a body, a tub disposed in the body, a drum rotatably disposed in the tub, and a motor including a stator coupled to a rear surface of the tub and a rotor rotatably disposed inside the stator. The stator includes a stator core including a core body and a plurality of core teeth extending inward from an inner circumferential surface of the core body in a radial direction of the core body, a first insulator and a second insulator covering both ends of the core body and the core teeth, a coil wound around the core teeth, and a plurality of insulation films disposed between the first insulator and the second insulator to electrically insulate the stator core and the coil. | 03-13-2014 |
Patent application number | Description | Published |
20120241793 | LIGHT EMITTING DIODE PACKAGE AND METHOD FOR MANUFACTURING THE SAME - Disclosed herein are a light emitting diode package and a method of manufacturing the same. The light emitting diode package includes: a substrate, a light-emitting layer disposed on a surface of the substrate and including a first type semiconductor layer, an active layer, and a second type semiconductor layer, a first bump disposed on the first type semiconductor layer and a second bump disposed the second type semiconductor layer, a protective layer covering at least the light-emitting layer, and a first bump pad and a second bump pad disposed on the protective layer and connected to the first bump and the second bump, respectively. | 09-27-2012 |
20130334560 | LIGHT EMITTING DIODE CHIP - The present invention relates to a light-emitting diode chip. According to the present invention, the light-emitting diode chip comprises: a substrate, the thickness of which is greater than 120 μm; and a light-emitting diode provided on the surface of the substrate, at one side thereof. | 12-19-2013 |
20140167086 | EPITAXIAL LAYER WAFER HAVING VOID FOR SEPARATING GROWTH SUBSTRATE THEREFROM AND SEMICONDUCTOR DEVICE FABRICATED USING THE SAME - An epitaxial wafer having a void for separation of a substrate and a semiconductor device fabricated using the same. The epitaxial wafer includes a substrate, a mask pattern disposed on the substrate and comprising a masking region and an opening region, and an epitaxial layer covering the mask pattern. The epitaxial layer includes a void disposed on the masking region. | 06-19-2014 |
20140179043 | METHOD OF SEPARATING SUBSTRATE AND METHOD OF FABRICATING SEMICONDUCTOR DEVICE USING THE SAME - A method of fabricating a semiconductor device, the method including: forming a first mask pattern including a masking region and an open region on a substrate; forming a sacrificial layer to cover the substrate and the first mask pattern; patterning the sacrificial layer to form a seed layer and to expose the first mask pattern; forming a second mask pattern on the exposed first mask pattern; forming an epitaxial layer on the seed layer and the second mask pattern, and forming a void between the second mask pattern and the epitaxial layer; and separating the substrate from the epitaxial layer. | 06-26-2014 |
20140335677 | METHOD FOR SEPARATING EPITAXIAL LAYER FROM GROWTH SUBSTRATE - The present invention provides a method for separating an epitaxial layer from a growth substrate, comprising growing an epitaxial layer including a plurality of layers on a growth substrate; etching an edge of at least one layer in the epitaxial layer to form a notch; forming a bonding layer on the epitaxial layer, contacting a bonding substrate onto the bonding layer, and then heating the bonding layer to a bonding temperature for joining the epitaxial layer and the bonding substrate; and cooling the bonding layer after the heating of the boding layer, so that the epitaxial layer and the bonding substrate are joined by the bonding layer, and the epitaxial layer is separated from the growth substrate, wherein the separating the epitaxial layer from the growth substrate starts with separation from the at least one layer where the notch is formed. | 11-13-2014 |
20140361327 | LIGHT EMITTING DIODE AND METHOD OF MANUFACTURING THE SAME - The present invention relates to a light emitting diode and a method of manufacturing same. The light emitting diode includes: a first conductive semiconductor layer; a plurality of mesas that are disposed spaced apart from one another on the first conductive semiconductor layer, each mesa including an active layer and a second conductive semiconductor layer; reflective electrodes that are respectively disposed on the plurality of mesas and come into ohmic contact with the second conductive semiconductor layer; openings that cover the plurality of mesas and the first conductive semiconductor layer, are electrically insulated from the mesas, and expose the reflective electrodes to the upper region of each mesa; and a current spreading layer that comes into ohmic contact with the first conductive semiconductor layer. Thus, a light emitting diode that improves current spreading performance may be provided. | 12-11-2014 |
20150091042 | LIGHT EMITTING DIODE CHIP AND LIGHT EMITTING DEVICE HAVING THE SAME - A light emitting diode (LED) chip can include: a first pattern region having one or more curved parts; and a second pattern region at least partially surrounding the first pattern region. The first pattern region can include a first conductive type nitride-based semiconductor layer, an active layer, a second conductive type nitride-based semiconductor layer, a top electrode layer, and a top bump layer stacked over a substrate, the second pattern region can include a first conductive type nitride-based semiconductor layer, a bottom electrode layer, and a bottom bump layer stacked over the substrate, and the first pattern region can include one or more protrusion patterns formed in the one or more curved part. | 04-02-2015 |
20150103634 | WATCH WITH COUNTERFEIT DETECTION FUNCTION - A wearable device such as a watch with a counterfeit detection function that include a display panel configured to display information (e.g., time); a UV LED unit arranged at an edge part of the display panel and configured to provide UV light which reacts with a fluorescent material; and a transparent cover positioned over the display panel so as to focus the UV light. | 04-16-2015 |
20150200334 | LIGHT EMITTING DIODE AND METHOD OF MANUFACTURING THE SAME - A light-emitting diode including a substrate, a first semiconductor layer disposed on the substrate, an active layer disposed on the first semiconductor layer, a second semiconductor layer disposed on the active layer and having a conductivity type different than that of the first semiconductor layer, and a reflective pattern disposed on the second semiconductor layer and configured to reflect light emitted from the active layer, the reflective pattern having heterogeneous metal layers and configured to absorb stress caused by differences in coefficient of thermal expansion between the heterogeneous metal layers. | 07-16-2015 |
20150295132 | EPITAXIAL LAYER WAFER HAVING VOID FOR SEPARATING GROWTH SUBSTRATE THEREFROM AND SEMICONDUCTOR DEVICE FABRICATED USING THE SAME - An epitaxial wafer includes a growth substrate, a mask pattern disposed on the growth substrate and comprising a masking region and an opening region, and an epitaxial layer covering the mask pattern and including a first void disposed on the masking region. The first void includes a lower void disposed between a lower surface of the epitaxial layer and the masking region, and an upper void extending from the lower void into the epitaxial layer, the lower void having a greater width than the upper void. | 10-15-2015 |
20160043282 | LIGHT EMITTING DIODE AND METHOD OF MANUFACTURING THE SAME - The present invention relates to a light emitting diode and a method of manufacturing same. The light emitting diode includes: a first conductive semiconductor layer; a plurality of mesas that are disposed spaced apart from one another on the first conductive semiconductor layer, each mesa including an active layer and a second conductive semiconductor layer; reflective electrodes that are respectively disposed on the plurality of mesas and come into ohmic contact with the second conductive semiconductor layer; openings that cover the plurality of mesas and the first conductive semiconductor layer, are electrically insulated from the mesas, and expose the reflective electrodes to the upper region of each mesa; and a current spreading layer that comes into ohmic contact with the first conductive semiconductor layer. Thus, a light emitting diode that improves current spreading performance may be provided. | 02-11-2016 |
Patent application number | Description | Published |
20140198085 | PIXEL AND ORGANIC LIGHT EMITTING DISPLAY USING THE SAME - A pixel includes an organic light emitting diode, a first driver and a second driver. The second driver controls an amount of current supplied from a first power source to the organic light emitting diode, corresponding to a previous data signal. The first driver stores a current data signal supplied from a data line and supplies the previous data signal to the second driver. In the pixel, the second driver includes a sixth transistor coupled between an initialization power source and a first node coupled to a gate electrode of a first transistor, the sixth transistor being configured to turn on when a first control signal is supplied; and a seventh transistor coupled between the first power source and a second node commonly coupled to the first and second drivers, the seventh transistor being configured to turn on when the first control signal is supplied. | 07-17-2014 |
20140240304 | ORGANIC LIGHT EMITTING DISPLAY AND DRIVING METHOD THEREOF - An organic light emitting display including a repair circuit is disclosed. In one aspect the organic light emitting diode (OLED) display includes a pixel unit having a plurality of pixels positioned at the intersection of scanning lines, data lines, and power lines, The OLED display further includes an organic light emitting diode OLED connected to the pixel circuit, and repair lines disposed in parallel with data lines and repair circuits connected to the repair lines and the power lines. The OLED display further includes a switching unit for selectively connecting output lines of the data driving unit to the repair lines or the data lines. | 08-28-2014 |
20140292826 | DISPLAY PANEL DRIVER, METHOD OF DRIVING DISPLAY PANEL USING THE SAME, AND DISPLAY APPARATUS HAVING THE SAME - A display apparatus includes a display panel, a gate driver, a data driver and a coupling voltage generator. The display panel includes a plurality of pixels. The gate driver provides a gate signal to the display panel. The data driver provides a data voltage to the display panel. The coupling voltage generator provides a coupling voltage to the display panel. The coupling voltage has a plurality of levels. | 10-02-2014 |
20140313106 | ORGANIC LIGHT EMITTING DIODE DISPLAY DEVICE AND DRIVING METHOD THEREOF - An organic light emitting diode (OLED) display device includes a plurality of pixels each having a pixel circuit and an organic light emitting diode coupled to the pixel circuit. The OLED display device includes a scan driver which is configured to supply a scan signal to the scan lines and to supply an emission control signal to an emission control line commonly coupled to the pixels. The OLED display device also includes repair lines and repair circuits coupled to the repair lines. The repair circuits each have an output terminal coupled to an organic light emitting diode in corresponding pixel. A switching unit is configured to allow output lines of the data driver to be selectively coupled to the repair lines or the data lines. | 10-23-2014 |
20140333512 | PIXEL AND ORGANIC LIGHT EMITTING DIODE DISPLAY DEVICE USING THE SAME - A pixel circuit for an organic light emitting diode (OLED) display is disclosed. One inventive aspect includes an organic light emitting diode, a first transistor, a storage unit, a second transistor and a third transistor. The first transistor controls the amount of current flowing from a first power source coupled to a second power source via a second node and the organic light emitting diode in response to a voltage at a first node. The storage unit is connected to a data line, and stores a data signal from the data line. The second transistor is connected to a fourth node and the first node and is turned on when a second control signal is supplied. The third transistor is connected to the first node and a third node and is turned on when a third control signal is supplied. | 11-13-2014 |
20140333515 | PIXEL AND ORGANIC LIGHT EMITTING DISPLAY USING THE SAME - A pixel for an organic light emitting diode (OLED) display is disclosed. One inventive aspect includes an organic light emitting diode, a first transistor, a first capacitor, a second transistor and a second capacitor. The first transistor is configured to control an amount of current flowing from a first power source to a second power source via the organic light emitting diode in response to a voltage of a first node. The first capacitor is connected to a data line and has a first terminal. The second transistor is connected to a second terminal of the first capacitor and a second node and is configured to be turned on when a scan signal is supplied to a scan line. The second capacitor is connected to the second and first nodes. | 11-13-2014 |
20140353605 | THIN FILM TRANSISTOR AND ORGANIC LIGHT EMITTING DIODE DISPLAY INCLUDING THE SAME - A thin film transistor includes a substrate, a semiconductor layer on the substrate, a first insulating layer covering the substrate and the semiconductor layer, a first gate electrode on the first insulating layer and overlapping the semiconductor layer, a second insulating layer covering the first gate electrode and the first insulating layer, a second gate electrode on the second insulating layer and overlapping the semiconductor layer and the first gate electrode, a third insulating layer covering the second gate electrode, a first contact hole defined in the first insulating layer, the second insulating layer and the third insulating layer, and through which a portion of the semiconductor layer is exposed, and a source electrode and a drain electrode connected to the semiconductor layer through the first contact hole. | 12-04-2014 |
20140354517 | PIXEL AND ORGANIC LIGHT EMITTING DISPLAY DEVICE USING THE SAME - A pixel includes an organic light emitting diode (OLED) having a cathode electrode coupled to a second power supply, a pixel circuit configured to control an amount of current supplied to the OLED to correspond to a previous data signal, and a driver configured to store a present data signal supplied from a data line and to supply the previous data signal to the pixel circuit. The OLED, pixel circuit, and driver may be controlled by signals in a frame that includes first through fourth periods, the second power supply may be set to a first voltage in the first and second periods and to a second voltage in the third and fourth periods, and the first voltage may be a voltage at which the OLED does not emit light and the second voltage may be a voltage at which the OLED emits light. | 12-04-2014 |
20140354711 | ORGANIC LIGHT EMITTING DISPLAY DEVICE AND METHOD OF DRIVING THE SAME - An organic light emitting display device includes pixels, a scan driver, a memory configured to store pixel data containing information indicative of threshold voltages and mobilities of first transistors in the pixels, a timing controller configured to modify one or more bits of first data to generate second data, the first data modified in response to the pixel data, a data driver configured to generate data signals based on the second data, and a control driver configured to supply a first control signal to a first control line commonly coupled to the pixels and a second control signal to a second control line, wherein each of the pixels is configured to store a data signal of a current frame and to emit light corresponding to a data signal of a previous frame. | 12-04-2014 |
20150021591 | THIN FILM TRANSISTOR AND THIN FILM TRANSISTOR ARRAY PANEL INCLUDING THE SAME - A thin film transistor is disclosed. In one aspect, the thin film transistor includes a substrate, a semiconductor layer formed on the substrate, and a first gate electrode substantially overlapping the semiconductor layer with a gate insulating layer interposed therebetween. The thin film transistor also includes a second gate electrode substantially overlapping the first gate electrode with an interlayer insulating layer interposed therebetween, and a source electrode and a drain electrode electrically connected to the semiconductor layer, wherein the first gate electrode is electrically connected to the second gate electrode. | 01-22-2015 |
20150103070 | PIXEL AND ORGANIC LIGHT EMITTING DISPLAY INCLUDING THE SAME - A pixel includes a driving circuit, a first organic light emitting diode, a second organic light emitting diode, and a self-repair circuit. The driving circuit supplies current based on a data signal supplied through a data line. The first organic light emitting diode is coupled to the driving circuit through a first current path. The second OLED is coupled to the driving circuit through a second current path. The self-repair circuit interrupts the first current path and supplies the current to the second current path when the first organic light emitting diode has a defect. | 04-16-2015 |
20150243209 | ORGANIC LIGHT EMITTING DISPLAY - An organic light emitting display can improve display quality by securing a charging time of a data signal. An organic light emitting display includes pixels, a data driver, a plurality of data drivers, and a control signal generator. The pixels are respectively positioned at areas defined by scan lines and data lines. The data driver sequentially supplies i (i is a natural number greater than or equal to 2) data signals to each of output lines during one horizontal period. The plurality of data dividers are respectively coupled to the output lines, and supply the i data signals to i data lines. The control signal generator sequentially supplies i control signals to the data dividers, corresponding to the i data signals. In the organic light emitting display, the data dividers supply a corresponding data signal to each data line during the one horizontal period. | 08-27-2015 |
20150243219 | ORGANIC LIGHT EMITTING DISPLAY AND METHOD FOR DRIVING THE SAME - An organic light emitting display includes: a display panel including pixels at crossing regions of data lines and scan lines; a scan driver configured to divide one frame into a plurality of sub-fields, to divide each of the subfields into p (p is a positive integer of 2 or more) periods, and to supply scan signals to the scan lines; and a data driver configured to supply data voltages to the data lines concurrently with supply of respective scan signals, wherein a gray scale voltage from among (P+1) gray scale voltages is supplied as at least one of the data voltages. | 08-27-2015 |
Patent application number | Description | Published |
20150021595 | ELECTRO STATIC DISCHARGE PROTECTION CIRCUIT AND ELECTRONIC DEVICE HAVING THE SAME - An electro static discharge (ESD) protection circuit including a signal transmission line coupled to an external input terminal, the ESD protection circuit including: a first power line coupled to a high voltage power supply; a second power line coupled to a low voltage power supply; a plurality of first oxide thin film transistors coupled in parallel between the first power line and the signal transmission line, the first oxide thin film transistors being diode-connected; and a plurality of second oxide thin film transistors coupled in parallel between the signal transmission line and the second power line, the second oxide thin film transistors being diode-connected. | 01-22-2015 |
20150302793 | DISPLAY DEVICE AND METHOD FOR DRIVING THE SAME - Each pixel of a display device includes: an organic light emitting diode between a first and a second power supply; a first transistor to transmit a drive current based on data signals; a second transistor to couple a gate electrode of the first transistor to the data line in response to a scan signal; a first capacitor between the first power supply and the gate electrode of the first transistor; a light receiving element coupled to a third power supply; a second capacitor between the light receiving element and a fourth power supply; a third transistor between the data line and a first electrode of the second capacitor, the third transistor including a gate electrode coupled to a selection signal line; and a fourth transistor between the fourth power supply and the third transistor, the fourth transistor including a gate electrode coupled to the first electrode of the second capacitor. | 10-22-2015 |
20150348464 | PIXEL CIRCUIT AND ELECTROLUMINESCENT DISPLAY INCLUDING THE SAME - A pixel circuit and an electroluminescent display including the same are disclosed. In one aspect, the pixel circuit includes a scan transistor connected between a data line and a first node and having a gate electrode configured to receive a scan signal, a driving transistor connected between a first power supply voltage and a third node and having a gate electrode connected to a second node, an emission control transistor connected between the third node and a fourth node and having a gate electrode configured to receive an emission control signal, a light-emitting diode connected between the fourth node and a second power supply voltage less than the first power supply voltage, and a compensation circuit initializes the second node to an initial voltage during a first compensation period and electrically connects the second node to the third node during a second compensation period following the first compensation period. | 12-03-2015 |
20160104419 | ORGANIC LIGHT EMITTING DISPLAY AND METHOD FOR DRIVING THE SAME - A pixel of an organic light emitting display includes first through fourth transistors and a capacitor. The first transistor operates based on a scan signal and is connected between a data line and a first node. The capacitor is connected between the first node and a second node. The second transistor operates based on a gate signal and is connected between a first power voltage and a third node. The third transistor operates based on compensation control line signal and is connected between the second node and the third node. The fourth transistor operates based on sensing control line signal and is connected between the data line and the third node. The organic light emitting element is connected between the third node and a second power voltage. | 04-14-2016 |
20160104428 | DISPLAY DEVICE AND DRIVING APPARATUS THEREOF - In a data driving apparatus, a DAC converts digital data output from a holding latch into an analog data voltage. An operational amplifier operates as a buffer which outputs the analog data voltage of the DAC to the signal line during a display period and operates as a comparator which compares the voltage of the signal line with the analog data voltage of the DAC during a sensing period. In addition, a sensing controller controls the holding latch to change the data stored in the holding latch according to a comparison value of the comparator. | 04-14-2016 |
Patent application number | Description | Published |
20130141785 | OPTICAL COMPENSATION FILM - An optical compensation film includes: a first layer having positive birefringence; a second layer on the first layer and having negative birefringence; and a third layer on the second layer and having positive birefringence. A retardation value of the optical compensation film for incident light having a wavelength of about 550 nm is about 135 nm to about 145 nm, and a ratio of a thickness of the first layer or of the third layer to a thickness of the second layer is about 1.1 to 2.2. | 06-06-2013 |
20130172501 | POLYMER FOR OPTICAL FILM, METHOD OF PREPARING SAME, AND OPTICAL FILM INCLUDING SAME - A polymer for an optical film that includes a repeating unit A including a repeating unit represented by the following Chemical Formula 1; and a repeating unit B including a repeating unit represented by the following Chemical Formula 2, | 07-04-2013 |
20130172503 | OPTICAL FILM AND DISPLAY DEVICE INCLUDING SAME - An optical film including a polymer including a repeating unit A including a repeating unit represented by the following Chemical Formulas 1 to 3, or a combination thereof; and a repeating unit B derived from a monomer having an unsaturated bond copolymerizable with the repeating unit A, wherein the optical film has a short wavelength dispersion of an in-plane phase-difference value (R | 07-04-2013 |
20130301129 | MULTILAYERED OPTICAL FILM, MANUFACTURING METHOD THEREOF, AND DISPLAY DEVICE - An optical film includes: a polarization layer; a first phase retardation layer having an optic axis at an angle in a range from about 17 degrees to about 27 degrees or from about −27 degrees to about −17 degrees with respect to a transmission axis of the polarization layer; and a second phase retardation layer having an optic axis at an angle in a range from about 85 degrees to about 95 degrees with respect to the transmission axis of the polarization layer. The polarization layer, the first phase retardation layer, and the second phase retardation layer are deposited in sequence, the first phase retardation layer is a half-wave plate, the second phase retardation layer is a quarter-wave plate, and out-of-plane retardation values of the first phase retardation layer and the second phase retardation layer for incident light having the standard wavelength have opposite signs. | 11-14-2013 |
20140043684 | POLYMER FOR OPTICAL FILM, AND OPTICAL FILM INCLUDING SAME - Disclosed is a polymer comprising a repeating unit represented by Chemical Formula 1, or a polymer comprising a repeating unit represented by Chemical Formula 2: | 02-13-2014 |
20140184052 | MULTILAYERED OPTICAL FILM AND DISPLAY DEVICE INCLUDING OPTICAL FILM - An optical film includes: a liquid crystal coating; and a base layer on the liquid crystal coating, wherein the liquid crystal coating has reversed wavelength dispersion and in-plane retardation for a reference wavelength ranging from 126 nm to 153 nm, and the base layer has in-plane retardation ranging from about 0 to about 50 nm and out-of-plane retardation ranging from about 0 nm to about 100 nm. | 07-03-2014 |
20140185267 | MULTILAYERED OPTICAL FILM AND DISPLAY DEVICE - An optical film includes: a first optical phase retardation layer having a relation nx | 07-03-2014 |
20160060409 | OPTICAL FILM AND DISPLAY DEVICE INCLUDING SAME - An optical film including a polymer including a repeating unit A including a repeating unit represented by the following Chemical Formulas 1 to 3, or a combination thereof; and a repeating unit B derived from a monomer having an unsaturated bond copolymerizable with the repeating unit A, wherein the optical film has a short wavelength dispersion of an in-plane phase-difference value (R | 03-03-2016 |
Patent application number | Description | Published |
20100200054 | Compound for organic photoelectric device and organic photoelectric device including the same - A compound for an organic photoelectric device, represented by the following Chemical Formula 1: | 08-12-2010 |
20110156013 | COMPOUND FOR ORGANIC PHOTOELECTRIC DEVICE AND ORGANIC PHOTOELECTRIC DEVICE INCLUDING THE SAME - A compound for an organic photoelectric device and an organic photoelectric device including the same, the compound being represented by the following Chemical Formula 1: | 06-30-2011 |
20110248257 | COMPOUND FOR AN ORGANIC PHOTOELECTRIC DEVICE, ORGANIC PHOTOELECTRIC DEVICE, AND DISPLAY DEVICE INCLUDING THE SAME - A compound for an organic photoelectric device, an organic photoelectric device, and a display device including the same, the compound being represented by the following Chemical Formula 1: | 10-13-2011 |
20110260153 | COMPOUND FOR ORGANIC PHOTOELECTRIC DEVICE, ORGANIC PHOTOELECTRIC DEVICE INCLUDING THE SAME, AND DISPLAY DEVICE INCLUDING THE SAME - A compound for an organic photoelectric device, an organic photoelectric device including the same, and a display device including the same the compound being represented by the following Chemical Formula 1: | 10-27-2011 |
20110284832 | COMPOUND FOR ORGANIC OPTOELECTRONIC DEVICE, ORGANIC LIGHT EMITTING DIODE INCLUDING THE SAME AND DISPLAY INCLUDING THE ORGANIC LIGHT EMITTING DIODE - A compound for an organic photoelectric device, the compound being represented by the following Chemical Formula 1: | 11-24-2011 |
20120273771 | COMPOUND FOR ORGANIC PHOTOELECTRIC DEVICE AND ORGANIC PHOTOELECTRIC DEVICE INCLUDING THE SAME - A compound for an organic photoelectric device is represented by Chemical Formula 1, | 11-01-2012 |
20130165609 | POLYMER FOR OPTICAL FILM, METHOD OF PREPARING SAME, AND OPTICAL FILM INCLUDING SAME - A polymer for an optical film including: a repeating unit A including a repeating unit represented by the following Chemical Formula 1; and a repeating unit B derived from a monomer including an unsaturated bond copolymerizable with the repeating unit A: | 06-27-2013 |
20150062499 | LIQUID CRYSTAL DISPLAY - The liquid crystal display of the present invention includes: a liquid crystal panel including vertical alignment liquid crystals encapsulated between a first substrate and a second substrate; a first compensation layer stacked on one side of the first layer; a first polarizing layer stacked on one side of the first compensation layer; a second compensation layer stacked on one side of the second substrate; and a second polarizing layer stacked on one side of the second compensation layer, wherein the first compensation layer is comprised of a polyimide copolymer, and the polyimide copolymer is a copolymer of a monomer mixture comprising maleimide compounds and aromatic vinyl compounds. The liquid crystal display provides significantly improved lateral viewing angle. | 03-05-2015 |
Patent application number | Description | Published |
20100288521 | VIBRATION HAMMER - A vibration hammer is provided, including a main body; a striking unit having a piston housing installed to he elevated by a hydraulic pressure controlling valve unit installed in the main body, a hammer guide slidably installed on the main body to be coaxial with the piston housing, and a piston having both ends fixed to the piston housing and a hammer guide and elastically deformable at a predetermined angle with an elevating direction of the piston housing; and a rotating unit installed in the main body and reciprocally rotating the hammer guide elevated together with the piston. The vibration hammer can prevent the piston from being damaged by being elastically deformed when a lateral pressure applied to the rod connected to the piston. | 11-18-2010 |
20110048807 | EXCAVATOR - An excavator is provided, including a body; a leader supported by the body; a head sliding along the leader; a first rod assembled with the head to elevate or rotate by the head; a rod clamp installed at a front end of the leader and clamping a second rod inserted into the ground; and a position fixture sliding along the leader by means of the head and fixing the position of the first rod when assembling the first rod and the second rod. Since the excavator according to the present invention allows an additional rod to be assembled with the rod clamped by the rod clamp due to the position fixture without causing vibration, the assembling work of additional rods can be easily performed. | 03-03-2011 |
20120305233 | ROD-MOUNTING APPARATUS FOR DRILLING APPARATUS - A rod-mounting apparatus for a drilling apparatus is disclosed. The rod-mounting apparatus comprises: a bracket installed at a frame of a main body of the drilling apparatus and having a rod; a base member rotatably mounted on the bracket; a rotating member hinged to one side of the base member to hold and rotate an end of a rod mounted to or separated from a driving shaft; a clamping unit mounted on the rotating member to clamp the end of the rod; and a driving unit mounted on the base member to rotate the rotating member in a direction in which in which the rod makes the rotating member stand or lie. The rod-mounting apparatus of the present invention enables rods to be smoothly connected or separated during a drilling work, thereby improving the drilling efficiency. | 12-06-2012 |
20130233624 | DRILLING APPARATUS HAVING HEAD - Disclosed is a drilling apparatus having a head. The drilling apparatus includes a main body, a lead supported by the main body of the drilling apparatus, a driving shaft slidably installed in the lead and having a unit rod connected thereto for performing a drilling work, and a head having an actuator for driving the driving shaft, wherein the driving shaft includes a screw coupling part formed on the outer circumferential surface of the driving shaft and screw-coupled with an end of the unit rod for performing the drilling work, and a screw coupling inducing part formed at a front end of the screw coupling part to induce screw coupling between the driving shaft and a rod screw coupling part formed at a hollow part formed at the end of the unit rod. The drilling apparatus can reduce the number of work numbers by combining the unit rod with the driving shaft, thereby increasing the efficiency of the drilling work. | 09-12-2013 |
20140190714 | LEAD SUPPORTING DEVICE OF DRILLING MACHINE - The present invention relates to a lead supporting device of a drilling machine. The lead supporting device of the drilling machine includes: a frame of the drilling machine; a lead coupled to the frame of the drilling machine by a hinge shaft, the lead being rotated in a predetermined angle; main cylinders disposed on the frame of the drilling machine and the lead to rotate the lead with respect to the frame; a head part elevatably disposed on the lead to perform a drilling process; a rotatable guide body coupled to the frame of the drilling machine by the hinge shaft; a guide rod rotatably hinge-coupled to the lead, the guide rod being slidable along the guide body; and a lead position fixing unit including a grasping part disposed on the guide body to fix the guide rod to the guide body, thereby fixing the position of the lead. | 07-10-2014 |
Patent application number | Description | Published |
20100133409 | SUPPORTING DEVICE FOR DISPLAY APPARATUS - A supporting device to a display apparatus to prevent a wire from separating from a wire hanger. The supporting device to fix the display apparatus to a wall includes a wire part coupled to the display apparatus, a wire hanger mounted to the wall, the wire hanger to hang the wire part on the wall, and a separation protector provided at the wire hanger, the separation protector serving to prevent the wire part from separating from the wire hanger. | 06-03-2010 |
20110147557 | WALL MOUNTING APPARATUS FOR DISPLAY APPARATUS AND DISPLAY APPARATUS HAVING THE SAME - A wall mount for a display apparatus to vertically move an apparatus body of the display apparatus in an electromotive manner and a display apparatus having the same are provided. A wire is mounted at the rear of the apparatus body. The wall mount includes a plurality of wire hanging members fixed to a rear of the apparatus; a wire connected between the wire hanging members; a guide member which is configure to move vertically while supporting the wire, to thereby move the apparatus vertically, the guide member not being exposed when the apparatus is viewed from a front of the apparatus; and a base member which is configured to be fixed to the wall to vertically move the guide member in an electromotive manner. | 06-23-2011 |
20110149181 | STAND FOR DISPLAY APPARATUS AND DISPLAY APPARATUS HAVING THE SAME - A display apparatus includes: an apparatus body including a screen; a guide member coupled to the apparatus body; a neck member coupled to the guide member to support the apparatus body; and a base member coupled to a lower part of the neck member to support the display apparatus on an installation place. The guide member includes an electromotive module, disposed in the guide member, coupled to the neck member to enable rotation between the neck member and the guide member. | 06-23-2011 |
20110297806 | SUPPORTING DEVICE FOR DISPLAY APPARATUS - A supporting device of a display apparatus to prevent a wire from separating from a wire hanger. The supporting device to fix the display apparatus to a wall includes a wire part coupled to the display apparatus, a wire hanger mounted to the wall, the wire hanger to hang the wire part on the wall, and a separation protector provided at the wire hanger, the separation protector serving to prevent the wire part from separating from the wire hanger. | 12-08-2011 |
20110297807 | SUPPORTING DEVICE FOR DISPLAY APPARATUS - A supporting device of a display apparatus to prevent a wire from separating from a wire hanger. The supporting device to fix the display apparatus to a wall includes a wire part coupled to the display apparatus, a wire hanger mounted to the wall, the wire hanger to hang the wire part on the wall, and a separation protector provided at the wire hanger, the separation protector serving to prevent the wire part from separating from the wire hanger. | 12-08-2011 |
20120126076 | SUPPORTING DEVICE FOR DISPLAY APPARATUS - A supporting device to a display apparatus to prevent a wire from separating from a wire hanger. The supporting device to fix the display apparatus to a wall includes a wire part coupled to the display apparatus, a wire hanger mounted to the wall, the wire hanger to hang the wire part on the wall, and a separation protector provided at the wire hanger, the separation protector serving to prevent the wire part from separating from the wire hanger. | 05-24-2012 |
20130168519 | SUPPORTING DEVICE TO DISPLAY APPARATUS - A supporting device to a display apparatus having an improved configuration to maximize utilization of a space between the display apparatus and a wall is disclosed. The supporting device to the display apparatus includes a plurality of support protrusions coupled to a rear surface of the display apparatus, a plurality of first support panels fixed to the wall, and a plurality of second support panels rotatably coupled to the first support panels, respectively, each second support panel having a receiving region by which a corresponding one of the plurality of support protrusions is received. | 07-04-2013 |
20130169734 | DISPLAY APPARATUS - A display apparatus including a main body, a display panel installed in the main body, a video call unit installed to the main body, a circuit board for control of the video call unit, and a cable to connect the video call unit and the circuit board to each other, is provided. Installing the video call unit to the main body enables a video call via the display apparatus. | 07-04-2013 |
20130170116 | DISPLAY DEVICE - A display device including a display panel, a rear cover, disposed at a rear of the display panel, which forms a rear exterior of the display panel, and a reinforcing member disposed between the display panel and the rear cover, such that the strength of the display device is increased, wherein the reinforcing member includes a body unit having a shape of the display panel and forms an external appearance of the reinforcing member, and a plurality of cells that penetrate the body unit. | 07-04-2013 |
20130222707 | TELEVISION - A television may include a main body, an additional electronic unit installed at an outside of the main body, at least one port allowing which is configured to connect a connector of a cable for communication with the an additional external electronic unit to the main body be connected thereto; and at least one heat transfer member to receive which is configured to receive and transfer heat transferred from the at least one port. | 08-29-2013 |
20130279094 | DISPLAY APPARATUS AND HOT STAMPING SYSTEM FOR THE SAME - Disclosed are a display apparatus including a display panel on which an image is displayed, a cover including a side portion configured to cover upper and lower side surfaces and left and right side surfaces of the display panel and a rear portion configured to cover an outer peripheral region of a rear surface of the display panel, and a rear cover coupled to the middle cover and configured to cover the rear surface of the display panel, and a hot stamping system for the same. A thin film having a particular color is attached to the side portion via the hot stamping system, which enables easy manufacture of the display apparatus having various colors of covers. | 10-24-2013 |
20140008041 | DISPLAY APPARATUS - A display apparatus is provided. The display apparatus includes: a display panel which displays an image on a front surface thereof; and a heat spreading module having a shape corresponding to the display panel to support a rear surface, opposite the front surface, of the display panel, wherein the heat spreading module includes a heat spreader including a working fluid therein and at least one channel provided therein to guide the working fluid. | 01-09-2014 |
20140118994 | DISPLAY MODULE AND DISPLAY APPARATUS HAVING THE SAME - A bottom sash of a display module is provided. The bottom sash includes a bead part formed by depressing some portions of the bottom sash toward a rear side, and a reinforcing panel attached to a front surface of the bottom sash and spaced apart from the bead part. | 05-01-2014 |
20140354519 | DISPLAY APPARATUS - A display apparatus including a display module, and a drive device to deform the display module, is provided. The drive device switches the display module between a planar state and a curved state in which at least one lateral end of the display module protrudes forward. As such, the user may use the display module both in a planar state and a curved state. | 12-04-2014 |
20150124424 | DISPLAY APPARATUS AND HOT STAMPING SYSTEM FOR THE SAME - Disclosed are a display apparatus including a display panel on which an image is displayed, a cover including a side portion configured to cover upper and lower side surfaces and left and right side surfaces of the display panel and a rear portion configured to cover an outer peripheral region of a rear surface of the display panel, and a rear cover coupled to the middle cover and configured to cover the rear surface of the display panel, and a hot stamping system for the same. A thin film having a particular color is attached to the side portion via the hot stamping system, which enables easy manufacture of the display apparatus having various colors of covers. | 05-07-2015 |
20150145837 | DISPLY APPARATUS AND METHOD OF CONTROLLING THE SAME - Display apparatuses and methods are provided. A display apparatus includes a display module, a driving device that is configured to deform the display module from a flat surface state to a curved surface state and deform the display module from the flat surface state to the curved surface state, and a base member that is disposed at a rear of the display module and supports the driving device. | 05-28-2015 |
20150189228 | DISPLAY APPARATUS - A display apparatus including a main body, a display panel installed in the main body, a video call unit installed to the main body, a circuit board for control of the video call unit, and a cable to connect the video call unit and the circuit board to each other, is provided. Installing the video call unit to the main body enables a video call via the display apparatus. | 07-02-2015 |
20160050772 | DISPLAY DEVICE - A display device is provided. The display device includes a display module; and a transforming device configured to transform the display module between a flat state and a curved state. The transforming device includes a base panel provided behind the display module at a center portion of the display panel along a width direction of the display module, and a pair of rotating panels, each of the pair of rotating panels having a first end rotationally engaged with the base panel and a second end opposite to the first end attached to opposite ends of the display module along the width direction. | 02-18-2016 |
20160055006 | DISPLAY APPARATUS AND CONTROL METHOD THEREOF - A display apparatus and method for bending a display panel automatically during booting are provided. According to an exemplary embodiment, the display apparatus may include a display module; an input unit configured to receive a command from a user; a storage configured to store a booting sequence; a driver configured to change a curvature of the display module; and a processor configured to, in response to a power-on command being received through the input unit, control the driver to bend the display module, while performing booting according to the booting sequence. | 02-25-2016 |