Patents by Inventor Moo-youn Park
Moo-youn Park has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 10063825Abstract: A method of operating a mobile device and mobile systems are provided. The method includes detecting a first event through an interface of the mobile device, displaying scene data that is generated by a camera of the mobile device on a display of the mobile device, in response to the detecting first event, detecting a second event through the interface, and measuring an external color temperature in response to the detecting the second event. The method further includes generating flash data having a color temperature for compensating the external color temperature, displaying the flash data on the display, and capturing a scene using the camera.Type: GrantFiled: May 24, 2016Date of Patent: August 28, 2018Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Moo-Youn Park, Jin-Ha Kim
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Patent number: 9766533Abstract: A flash device for a camera includes a light source unit and a driving unit. The light source unit includes a plurality of light emitting devices, each of which is configured to output light of different colors. The driving unit is configured to drive a first light emitting device among the plurality of light emitting devices when the camera images a subject to obtain a first image, and drive a second light emitting device different from the first light emitting device among the plurality of light emitting devices when the camera images the subject to obtain a second image.Type: GrantFiled: November 7, 2014Date of Patent: September 19, 2017Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Moo Youn Park, Jin Ha Kim, Hyung Suk Kim
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Publication number: 20170070716Abstract: A method of operating a mobile device and mobile systems are provided. The method includes detecting a first event through an interface of the mobile device, displaying scene data that is generated by a camera of the mobile device on a display of the mobile device, in response to the detecting first event, detecting a second event through the interface, and measuring an external color temperature in response to the detecting the second event. The method further includes generating flash data having a color temperature for compensating the external color temperature, displaying the flash data on the display, and capturing a scene using the camera.Type: ApplicationFiled: May 24, 2016Publication date: March 9, 2017Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Moo-Youn PARK, Jin-Ha KIM
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Patent number: 9188300Abstract: An LED assembly according to an embodiment of the present invention may improve dark regions generated between LED chips by employing a first reflective layer between the LED chips. By employing a transparent optical layer or an optical layer including a scattering particle between an LED chip and a phosphor layer, direct contact between the LED chip and the phosphor layer may be avoided, thereby preventing a low light extraction efficiency. Further, by employing a second reflection layer on side surfaces of an to LED chip, an optical layer, and a phosphor layer, a relatively high contrast may be obtained. An LED assembly may enhance contrast through a reflective layer while increasing light extraction efficiency by including a scattering particle in a phosphor layer.Type: GrantFiled: December 18, 2014Date of Patent: November 17, 2015Assignee: Samsung Electronics Co., Ltd.Inventors: Hee Dong Kim, Moo Youn Park, Soo Hwan Lee, Hee Seok Park
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Publication number: 20150227025Abstract: A flash device for a camera includes a light source unit and a driving unit. The light source unit includes a plurality of light emitting devices, each of which is configured to output light of different colors. The driving unit is configured to drive a first light emitting device among the plurality of light emitting devices when the camera images a subject to obtain a first image, and drive a second light emitting device different from the first light emitting device among the plurality of light emitting devices when the camera images the subject to obtain a second image.Type: ApplicationFiled: November 7, 2014Publication date: August 13, 2015Inventors: Moo Youn PARK, Jin Ha KIM, Hyung Suk KIM
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Publication number: 20150103547Abstract: An LED assembly according to an embodiment of the present invention may improve dark regions generated between LED chips by employing a first reflective layer between the LED chips. By employing a transparent optical layer or an optical layer including a scattering particle between an LED chip and a phosphor layer, direct contact between the LED chip and the phosphor layer may be avoided, thereby preventing a low light extraction efficiency. Further, by employing a second reflection layer on side surfaces of an to LED chip, an optical layer, and a phosphor layer, a relatively high contrast may be obtained. An LED assembly may enhance contrast through a reflective layer while increasing light extraction efficiency by including a scattering particle in a phosphor layer.Type: ApplicationFiled: December 18, 2014Publication date: April 16, 2015Inventors: Hee Dong KIM, Moo Youn Park, Soo Hwan Lee, Hee Seok Park
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Patent number: 8921883Abstract: An LED assembly according to an embodiment of the present invention may improve dark regions generated between LED chips by employing a first reflective layer between the LED chips. By employing a transparent optical layer or an optical layer including a scattering particle between an LED chip and a phosphor layer, direct contact between the LED chip and the phosphor layer may be avoided, thereby preventing a low light extraction efficiency. Further, by employing a second reflection layer on side surfaces of an LED chip, an optical layer, and a phosphor layer, a relatively high contrast may be obtained. An LED assembly may enhance contrast through a reflective layer while increasing light extraction efficiency by including a scattering particle in a phosphor layer.Type: GrantFiled: January 9, 2014Date of Patent: December 30, 2014Assignee: Samsung Electronics Co., Ltd.Inventors: Hee Dong Kim, Moo Youn Park, Soo Hwan Lee, Hee Seok Park
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Patent number: 8882319Abstract: An LED assembly according to an embodiment of the present invention may improve dark regions generated between LED chips by employing a first reflective layer between the LED chips. By employing a transparent optical layer or an optical layer including a scattering particle between an LED chip and a phosphor layer, direct contact between the LED chip and the phosphor layer may be avoided, thereby preventing a low light extraction efficiency. Further, by employing a second reflection layer on side surfaces of an LED chip, an optical layer, and a phosphor layer, a relatively high contrast may be obtained. An LED assembly may enhance contrast through a reflective layer while increasing light extraction efficiency by including a scattering particle in a phosphor layer.Type: GrantFiled: May 18, 2012Date of Patent: November 11, 2014Assignee: Samsung Electronics Co., Ltd.Inventors: Hee Dong Kim, Moo Youn Park, Soo Hwan Lee, Hee Seok Park
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Publication number: 20140124815Abstract: An LED assembly according to an embodiment of the present invention may improve dark regions generated between LED chips by employing a first reflective layer between the LED chips. By employing a transparent optical layer or an optical layer including a scattering particle between an LED chip and a phosphor layer, direct contact between the LED chip and the phosphor layer may be avoided, thereby preventing a low light extraction efficiency. Further, by employing a second reflection layer on side surfaces of an LED chip, an optical layer, and a phosphor layer, a relatively high contrast may be obtained. An LED assembly may enhance contrast through a reflective layer while increasing light extraction efficiency by including a scattering particle in a phosphor layer.Type: ApplicationFiled: January 9, 2014Publication date: May 8, 2014Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hee Dong KIM, Moo Youn Park, Soo Hwan Lee, Hee Seok Park
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Publication number: 20120294025Abstract: An LED assembly according to an embodiment of the present invention may improve dark regions generated between LED chips by employing a first reflective layer between the LED chips. By employing a transparent optical layer or an optical layer including a scattering particle between an LED chip and a phosphor layer, direct contact between the LED chip and the phosphor layer may be avoided, thereby preventing a low light extraction efficiency. Further, by employing a second reflection layer on side surfaces of an LED chip, an optical layer, and a phosphor layer, a relatively high contrast may be obtained. An LED assembly may enhance contrast through a reflective layer while increasing light extraction efficiency by including a scattering particle in a phosphor layer.Type: ApplicationFiled: May 18, 2012Publication date: November 22, 2012Inventors: Hee Dong KIM, Moo Youn PARK, Soo Hwan LEE, Hee Seok PARK
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Patent number: 8198609Abstract: The present invention relates to an apparatus for forming a nano pattern capable of fabricating the uniform nano pattern at a low cost including a laser for generating a beam; a beam splitter for splitting the beam from the laser into two beams with the same intensity; variable mirrors for reflecting the two beams split by the beam splitter to a substrate; beam expansion units for expanding diameters of the beams by being positioned on paths of the two beams traveling toward the substrate; and a beam blocking unit, installed on an upper part of the substrate, transmitting only a specific region expanded through the beam expansion unit and blocking regions a remaining region, and a method for forming the nano pattern using the same.Type: GrantFiled: July 23, 2008Date of Patent: June 12, 2012Assignee: Samsung LED Co., LtdInventors: Moo Youn Park, Jin Ha Kim, Soo Ryong Hwang, Il Hyung Jung, Jong Ho Lee
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Method of forming fine patterns and manufacturing semiconductor light emitting device using the same
Patent number: 8080480Abstract: A method of forming a fine pattern begins with providing a c-plane hexagonal semiconductor crystal. A mask having a predetermined pattern is formed on the semiconductor crystal. The semiconductor crystal is dry-etched by using the mask to form a first fine pattern on the semiconductor crystal. The semiconductor crystal including the first fine pattern is wet-etched to expand the first fine pattern in a horizontal direction to form a second fine pattern. The second fine pattern obtained in the wet-etching the semiconductor crystal has a bottom surface and a sidewall that have unique crystal planes, respectively. The present fine-pattern forming process can be advantageously applied to a semiconductor light emitting device, particularly, to a phonic crystal structure required to have fine patterns or a structure using a surface plasmon resonance principle.Type: GrantFiled: September 26, 2008Date of Patent: December 20, 2011Assignee: Samsung LED Co., Ltd.Inventors: Jong Ho Lee, Moo Youn Park, Soo Ryong Hwang, Il Hyung Jung, Gwan Su Lee, Jin Ha Kim -
Publication number: 20110254039Abstract: A light emitting diode (LED) package, a lighting apparatus including the same, and a method for manufacturing an LED package are disclosed. The LED package includes: a package substrate; an LED chip mounted on the package substrate; and a wavelength conversion layer formed to cover at least a portion of an upper surface of the LED chip when a surface formed by the LED chip when viewed from above is defined as the upper surface of the LED chip, wherein the wavelength conversion layer is formed so as not to exceed the area of the upper surface of the LED chip and includes a flat surface parallel to the upper surface of the LED chip and curved surfaces connecting the corners of the upper surface of the LED chip.Type: ApplicationFiled: April 15, 2011Publication date: October 20, 2011Inventors: Kyu Sang KIM, Jin Ha Kim, Jae Yoo Jeong, Moo Youn Park, Chung Bae Jeon
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Patent number: 7925147Abstract: A mobile terminal including an LED camera flash includes a lens, which is for photographing an object, an image sensing unit, which generates a sensor result value by executing automatic exposure and automatic white balance, a flash module, which includes a flash driving unit that controls the LED camera flash, an actuator, which moves the lens and records a distance traveled by the lens, and a camera control module, which sets an exposure gain value by using the sensor result value, extracts a distance current value and a distance gain value by using position information of the lens that is determined by using the distance traveled by the lens, and controls the flash driving unit so as to adjust a brightness of the LED camera flash according to a gain correction value, which is set by using the exposure gain value, the distance current value and the distance gain value.Type: GrantFiled: December 21, 2009Date of Patent: April 12, 2011Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Dong-Woo Lee, Jin-Ha Kim, Oh-Sung Byun, Young-Jin Cho, Moo-Youn Park, Jun-Won Kim
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Publication number: 20110019991Abstract: A mobile terminal including an LED camera flash includes a lens, which is for photographing an object, an image sensing unit, which generates a sensor result value by executing automatic exposure and automatic white balance, a flash module, which includes a flash driving unit that controls the LED camera flash, an actuator, which moves the lens and records a distance traveled by the lens, and a camera control module, which sets an exposure gain value by using the sensor result value, extracts a distance current value and a distance gain value by using position information of the lens that is determined by using the distance traveled by the lens, and controls the flash driving unit so as to adjust a brightness of the LED camera flash according to a gain correction value, which is set by using the exposure gain value, the distance current value and the distance gain value.Type: ApplicationFiled: December 21, 2009Publication date: January 27, 2011Inventors: Dong-Woo LEE, Jin-Ha Kim, Oh-Sung Byun, Young-Jin Cho, Moo-Youn Park, Jun-Won Kim
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Patent number: 7683864Abstract: An LED driving apparatus having a temperature compensation function includes a reference voltage generator for generating a first reference voltage and a non-inversion amplification unit for performing non-inversion amplification to a difference voltage between the first reference voltage and a forward voltage with a preset gain. A driving unit adjusts a supply voltage in response to the voltage from the non-inversion amplification unit to supply the adjusted supply voltage to a light source having light emitting diodes. A forward voltage detector detects the forward voltage at an anode of the light emitting diodes of the light source to supply the forward voltage to the non-inversion amplification unit. Luminance variation can be compensated according to temperature changes by using a forward voltage of an LED light source so that the forward voltage of the LED light source can be controlled in association with a target current value of ambient temperature.Type: GrantFiled: January 24, 2007Date of Patent: March 23, 2010Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Dong Woo Lee, Soo Ryong Hwang, Moo Youn Park
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METHOD OF FORMING FINE PATTERNS AND MANUFACTURING SEMICONDUCTOR LIGHT EMITTING DEVICE USING THE SAME
Publication number: 20090087994Abstract: A method of forming a fine pattern begins with providing a c-plane hexagonal semiconductor crystal. A mask having a predetermined pattern is formed on the semiconductor crystal. The semiconductor crystal is dry-etched by using the mask to form a first fine pattern on the semiconductor crystal. The semiconductor crystal including the first fine pattern is wet-etched to expand the first fine pattern in a horizontal direction to form a second fine pattern. The second fine pattern obtained in the wet-etching the semiconductor crystal has a bottom surface and a sidewall that have unique crystal planes, respectively. The present fine-pattern forming process can be advantageously applied to a semiconductor light emitting device, particularly, to a phonic crystal structure required to have fine patterns or a structure using a surface plasmon resonance principle.Type: ApplicationFiled: September 26, 2008Publication date: April 2, 2009Inventors: Jong Ho LEE, Moo Youn Park, Soo Ryong Hwang, Il Hyung Jung, Gwan Su Lee, Jin Ha Kim -
Publication number: 20070171146Abstract: An LED driving apparatus having a temperature compensation function includes a reference voltage generator for generating a first reference voltage and a non-inversion amplification unit for performing non-inversion amplification to a difference voltage between the first reference voltage and a forward voltage with a preset gain. A driving unit adjusts a supply voltage in response to the voltage from the non-inversion amplification unit to supply the adjusted supply voltage to a light source having light emitting diodes. A forward voltage detector detects the forward voltage at an anode of the light emitting diodes of the light source to supply the forward voltage to the non-inversion amplification unit. Luminance variation can be compensated according to temperature changes by using a forward voltage of an LED light source so that the forward voltage of the LED light source can be controlled in association with a target current value of ambient temperature.Type: ApplicationFiled: January 24, 2007Publication date: July 26, 2007Inventors: Dong Woo Lee, Soo Ryong Hwang, Moo Youn Park
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Patent number: 6529658Abstract: An apparatus and method for fabricating fiber gratings. To fabricate fiber gratings using a mask having gratings written therein, at least two optical fibers are arranged in parallel, in which the fiber gratings will be written by periodic variations in the refractive indexes of the photosensitive cores thereof, the mask is disposed on the optical fibers to cover gratings-forming portions of the optical fibers, and a laser beam is projected on the mask in a focused light size covering the gratings-forming portions of the optical fibers, to change the refractive indexes of the cores.Type: GrantFiled: June 30, 2000Date of Patent: March 4, 2003Assignee: Samsung Electronics Co., Ltd.Inventors: Moo-Youn Park, Min-Sung Kim
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Publication number: 20020018621Abstract: To fabricate fiber gratings according to the present invention, an optical fiber is prepared, and a mask with a predetermined period is spaced from the optical fiber for forming patterns to be used in fabricating gratings on the optical fiber. Then, a UV light source projects UV light in a perpendicular direction to the optical fiber, while a lens focuses the UV light. At the same time, a mobile concave lens diverges the focused UV light along the length direction of the optical fiber and changes the period of the fiber gratings while moving to and away from the optical fiber.Type: ApplicationFiled: July 23, 2001Publication date: February 14, 2002Inventor: Moo-Youn Park