Patent application number | Description | Published |
20130194802 | LIGHTING DEVICE - A lighting device may be provided that includes: a heat sink; a member which has a polygonal pillar shape having at least three sides and is disposed on the heat sink, wherein the sides are inclined at a predetermined angle toward the center of the heat sink; and a light source which is disposed on at least one among the sides of the member, wherein the light source includes: a substrate; at least two light emitting devices which are symmetrically disposed on the substrate with respect to the center of the substrate; and at least two lens units which are disposed on the light emitting devices respectively, and consequently, it is possible to meet U.S. Energy Star and ANSI specifications, to remarkably improve rear light distribution characteristics and to remove a dark portion. | 08-01-2013 |
20130214304 | ILLUMINATING DEVICE - An illuminating device that may include a substrate; a first light emitting chip which is disposed on the substrate; a second light emitting chip which is spaced apart from the first light emitting chip and is disposed on the substrate; a first lens which includes a first cylindrical side having a height greater than the thickness of the first light emitting chip and includes a first spherical or hemispherical curved surface formed on the first side, and which surrounds the first light emitting chip; and a second lens which includes a second cylindrical side having a height greater than the thickness of the second light emitting chip and includes a second spherical or hemispherical curved surface formed on the second side, and which surrounds the second light emitting chip, wherein at least a portion of the first side contacts with at least a portion of the second side. | 08-22-2013 |
20140048682 | DIGITAL IMAGE PROCESSING READOUT INTEGRATED CIRCUIT (ROIC) HAVING MULTIPLE SAMPLING CIRCUITS - Embodiments of the present invention provide an approach for improving overall chip speed by providing one or more sampling circuits in an ROIC so that signal processing and signal reading out operations may occur simultaneously instead of successively. | 02-20-2014 |
20140218964 | LIGHTING MODULE - A lighting module may be provided that includes: a first and a second light source units which are disposed to face each other; a first case in which the first light source unit is disposed; a second case in which the second light source unit is disposed; a first plate of which one side is connected to the first case, of which the other side is connected to the second case and which includes a first hole through which light emitted from the first and the second light source units passes; a second plate which is disposed to face the first plate and includes a second hole through which the light emitted from the first and the second light source units passes; and a first and a second optical sheets which are disposed on the first and the second plates. | 08-07-2014 |
20140239150 | METHOD OF EVALUATING LUMINANCE OF LIGHT SOURCE AND LIGHTING APPARATUS - Embodiments provide a method of evaluating luminance of a light source, including acquiring first data including a plurality of luminance values by measuring luminance of the light source, converting the first data into second data corresponding to a plurality of unit cells, acquiring a moving average of the second data, and acquiring a ripple factor. The ripple factor is represented by (D | 08-28-2014 |
20140240978 | ILLUMINATING APPARATUS - Disclosed is an illuminating apparatus including a housing including a lower plate and a side plate and a light emitting module including a substrate disposed on the lower plate and a plurality of light sources disposed on the substrate to be spaced apart from each other, wherein a height of the side plate is determined as a value obtained by dividing a separation distance between adjacent ones of the light sources by a value obtained by multiplying a tangent value of a max intensity angle of each of the light sources by a luminance compensation factor. | 08-28-2014 |
20140313731 | LIGHTING DEVICE - A lighting device may be provided that comprises: a heat sink comprising a top surface and coupling structures which comprise a first coupling structure and a second coupling structure formed on a side surface of the heat sink; a light source disposed on the top surface of the heat sink; a lens unit disposed on the light source and comprising a first coupling portion which is coupled to the first coupling structure of the heat sink; and a cover unit comprising an optical member which is disposed on the lens unit, and a second coupling portion which is coupled to the second coupling structure of heat sink. | 10-23-2014 |
20150054005 | LIGHT EMITTING PACKAGE - A light emitting device package may be provided that includes: a substrate; a first light emitting chip disposed on the substrate; a plurality of second light emitting chips disposed on the outer circumference of the first light emitting chip; and a lens formed on the first and the second light emitting chips. | 02-26-2015 |
20150204508 | LENS AND LIGHTING APPARATUS INCLUDING THE SAME - A lighting apparatus includes a body, a light source unit disposed on the body to generate light, and a lens disposed on the body to refract light generated from the light source unit. The lens includes a light introduction portion having a light introduction surface for introduction of light and a light emission portion having a light emission surface for passage of light having passed through the light introduction portion, and the light introduction surface of the light introduction portion and the light emission surface of the light emission portion are configured to satisfy cos a1−cos θ1/cos a2−cos θ2<0. | 07-23-2015 |
20160025272 | LIGHTING DEVICE - A lighting device may be provided that includes: a heat sink; a member which has a polygonal pillar shape having at least three sides and is disposed on the heat sink, wherein the sides are inclined at a predetermined angle toward the center of the heat sink; and a light source which is disposed on at least one among the sides of the member, wherein the light source includes: a substrate; at least two light emitting devices which are symmetrically disposed on the substrate with respect to the center of the substrate; and at least two lens units which are disposed on the light emitting devices respectively, and consequently, it is possible to meet U.S. Energy Star and ANSI specifications, to remarkably improve rear light distribution characteristics and to remove a dark portion. | 01-28-2016 |
Patent application number | Description | Published |
20090176534 | MOBILE TERMINAL HAVING FLAT PANEL SOUND OUTPUT UNIT AND VIBRATION GENERATION METHOD FOR THE SAME - A mobile terminal having a flat panel sound output unit and vibration generation method for the same are disclosed. When a user touches the mobile terminal, the user can feel a sense of touch through the flat panel sound output unit. The mobile terminal includes: a touch screen; a flat panel sound output unit attached on a surface of the touch screen to generate sounds or vibrations according to an input signal; and a vibration processor sending, when a touch event occurs at the touch screen, a signal to the flat panel sound output unit to generate vibrations corresponding to the touch event. Hence, the method can provide a sense of touch to the user without use of a separate vibration motor. | 07-09-2009 |
20100091731 | CHANNEL ALLOCATION METHOD AND APPARATUS FOR WIRELESS COMMUNICATION NETWORKS - A channel allocation method for use in a wireless communication environment, where Wireless Local Area Networks (WLANs) and Wireless Personal Area Networks (WPANs) coexist, includes collecting, at an access point, information on channels used by the WLANs and WPANs, determining available WLAN channels and available WPAN channels based on the channel information, allocating one of the available WLAN channels and one of the available WPAN channels to the access point, and informing the WLANs and WPANs of the allocated WLAN and WPAN channels. | 04-15-2010 |
20100096936 | VIBRATION MOTOR - A vibration motor includes a first resilient member and a second resilient member providing resilient forces in opposite directions; a first vibrator and a second vibrator coupled to the first resilient member and the second resilient member respectively; a magnetic body coupled to the first vibrator to create a magnetic field; and a coil applying a current of a predetermined frequency band in the region where the magnetic field is created. | 04-22-2010 |
20100127581 | VIBRATION MOTOR FOR PORTABLE TERMINAL - Disclosed is a vibration motor for a portable terminal, including a flat spring; a cylindrical magnetic substance mounted on the flat spring; an annular magnetic substance disposed around the cylindrical magnetic substance mounted on the flat spring; and a coil disposed between the cylindrical magnetic substance and the annular magnetic substance, wherein the magnetic substances perform a linear reciprocal movement by the electromagnetic force generated between the magnetic substances and the coil and by the elastic force of the flat spring as an electric current is applied to the coil. The vibration motor operates at higher resonant frequencies than those of conventional vibration motors, thereby improving the sense of an after-vibration and realizing a delicate haptic feedback function. | 05-27-2010 |
20100141606 | METHOD FOR PROVIDING HAPTIC FEEDBACK IN A TOUCH SCREEN - Disclosed is a method for providing a haptic feedback in a touch screen, which includes displaying a plurality of soft buttons on a touch screen; applying a first pattern vibration to the touch screen if a pressing detection value for a corresponding soft button according to contact of a user input means reaches a predetermined first threshold value; and applying a second pattern vibration to the touch screen if a pressing detection value for the corresponding soft button reaches a predetermined second threshold value, the second pattern vibration being different from the first pattern vibration, the second threshold value being different from the first threshold value. | 06-10-2010 |
20100148944 | HAPTIC FUNCTION CONTROL METHOD FOR PORTABLE TERMINALS - A haptic function control method for a portable terminal including a receipt-specific vibration motor that vibrates in a first frequency band and a haptic-specific vibration motor that vibrates in a second frequency band. At least one of the receipt-specific vibration motor and the haptic-specific vibration motor is driven based on a drive sampling frequency signal. The drive sampling frequency signal that vibrates the receipt-specific vibration motor and the haptic-specific vibration motor is determined from the first frequency band and the second frequency band. | 06-17-2010 |
20110006888 | METHOD AND APPARATUS FOR GENERATING VIBRATIONS IN PORTABLE TERMINALS - A method and apparatus for generating vibration in a portable terminal are provided. The apparatus for generating vibration in a portable terminal includes a plurality of vibrators mounted and driven to generate vibration in a single vibration direction at positions separated from each other by predetermined distances on the portable terminal, and a controller for determining respective vibration patterns of the plurality of vibrators according to a control operation of the portable terminal and driving the plurality of vibrators according to the vibration patterns. | 01-13-2011 |
20110157049 | APPARATUS AND METHOD FOR GENERATING VIBRATIONS IN WIRELESS TERMINAL - Provided is an apparatus and method for generating vibrations in a wireless terminal, in which vibrations of strengths corresponding to respective regions are generated by using a plurality of piezos. The apparatus includes a plurality of piezos, a touch screen portion including a plurality of regions, and a controller for, upon detection of a touch on a predetermined region among the plurality of regions of the touch screen portion, generating vibrations of strengths according to power frequencies and power polarities of the plurality of piezos with respect to the touched region. | 06-30-2011 |
20110157052 | METHOD AND APPARATUS FOR GENERATING VIBRATIONS IN PORTABLE TERMINAL - Control of vibrations generated in a portable terminal is disclosed. The vibration generating apparatus includes a plurality of vibrators mounted to the portable terminal to be spaced apart from each other by a predetermined interval and having different resonance frequencies; and a control unit configured to determine vibration generation patterns of the plurality of vibrators according to a vibration event and to drive the plurality of vibrators according to the vibration generation patterns. | 06-30-2011 |
20110163985 | HAPTIC FEEDBACK CONTROL METHOD AND APPARATUS FOR A WIRELESS TERMINAL HAVING A TOUCH SCREEN - A haptic feedback control method and apparatus for a wireless terminal including a touch screen. The haptic feedback control method includes receiving a touch input from a user, sensing a voltage or current signal at a position where the touch input is received, transmitting a driving signal to an actuator based on the sensed signal, generating, by the actuator, a vibration output based on the driving signal at the position on the touch screen where the touch input is received, generating a control pulse having a predetermined time delay while generating the vibration output, and stopping the vibration output by applying the control pulse to the vibration output. | 07-07-2011 |
20120108299 | VIBRATION MODULE FOR PORTABLE TERMINAL - Disclosed is a vibration module for a portable terminal that includes a housing, a magnetic moving part movable in a first direction within the housing; an elastic member supported between the opposite ends of the magnetic moving part and inner walls of the housing, and a solenoid coil provided in the housing. The vibration module is positioned at one end of the moving section by the magnetic force of the magnetic moving part and an object around the magnetic moving part, allowing the vibration module to provide a user with a feeling similar to a click feeling via the acceleration produced at a stopping instant. In addition, when vibrating, the vibration module generates sufficient vibration power through acceleration at the instant of changing moving direction at the ends of the moving section, to provide an alarm function, such as an incoming call notification. | 05-03-2012 |
20140285329 | TERMINAL DEVICE FOR PROVIDING HAPTIC EFFECT USING HAPTIC ENGINE AND CONTROLLING METHOD THEREFOR - A terminal device controlling method that provides a haptic effect using a haptic engine is provided, which includes sensing a haptic event, executing a non-physical parameter-based haptic function in a haptic engine so as to determine a vibration pattern corresponding to the haptic event, transferring the vibration pattern from the haptic engine to a device driver, and driving, through the device driver, a vibrator based on the vibration pattern so as to embody a haptic effect. | 09-25-2014 |
20150212527 | METHOD AND DEVICE FOR GENERATING VIBRATION BY USING ADJECTIVE - A method for generating a vibration by a device by using an adjective is provided. The method includes setting at least one fundamental frequency and at least one overlap ratio corresponding to a certain adjective and a degree value of the certain adjective, receiving at least one user input for inputting an adjective and a degree value of the input adjective, and generating at least one vibration corresponding to the input adjective and the degree value of the input adjective based on the setting. The generated at least one vibration has a fundamental frequency and an overlap ratio corresponding to the input adjective and the degree value of the input adjective. | 07-30-2015 |