Patents by Inventor Dong-Gyun Ra
Dong-Gyun Ra 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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Publication number: 20230301150Abstract: A display device includes, among other things, a pad area having a pattern that may reduce the distance gab between the signal lines cause by the contour changes of the signal lines. A corresponding print circuit board may also include a similar pattern to assimilate the distance gap between the lead wires. The pad and print circuit board may contact through anisotropic conductive film.Type: ApplicationFiled: May 25, 2023Publication date: September 21, 2023Inventors: Sang Hyun Lim, Dong Gyun Ra
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Patent number: 11696474Abstract: A display device includes, among other things, a pad area having a pattern that may reduce the distance gap between the signal lines cause by the contour changes of the signal lines. A corresponding print circuit board may also include a similar pattern to assimilate the distance gap between the lead wires. The pad and print circuit board may contact through anisotropic conductive film.Type: GrantFiled: June 30, 2020Date of Patent: July 4, 2023Assignee: Samsung Display Co., Ltd.Inventors: Sang Hyun Lim, Dong Gyun Ra
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Publication number: 20210066432Abstract: A display device includes, among other things, a pad area having a pattern that may reduce the distance gab between the signal lines cause by the contour changes of the signal lines. A corresponding print circuit board may also include a similar pattern to assimilate the distance gap between the lead wires. The pad and print circuit board may contact through anisotropic conductive film.Type: ApplicationFiled: June 30, 2020Publication date: March 4, 2021Inventors: Sang Hyun LIM, Dong Gyun RA
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Patent number: 9111490Abstract: A gate driving circuit generates a gate driving signal for a P-type transistor and a gate driving signal for an N-type transistor, a scanning signal and a light emission control signal, and the gate driving circuit provides a pulse width control function and a concurrent light emitting function.Type: GrantFiled: January 10, 2011Date of Patent: August 18, 2015Assignee: Samsung Display Co., Ltd.Inventors: Dong-Gyun Ra, Woo-Chul Kim
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Patent number: 8947440Abstract: A display device includes an image signal processing unit to output a high-speed image signal with the aid of an image interpolation unit outputting a low-speed image signal. The display device includes an image signal processing unit to receive a primitive image signal having a first frequency and to output a 4× image signal having a second frequency. The second frequency is four times the first frequency. The display device includes a display panel displaying an image corresponding to the 4× image signal. The primitive image signal includes an (n?1)-th frame (where n is a natural number) and an n-th frame. The image signal processing unit includes a first image interpolation unit and second image interpolation unit, which receive the (n?1)-th frame and the n-th frame and output a 2× image signal including at least one interpolated frame.Type: GrantFiled: June 23, 2009Date of Patent: February 3, 2015Assignee: Samsung Display Co., Ltd.Inventors: Hee-Jin Choi, Sang-Soo Kim, Dong-Won Park, Po-Yun Park, Bong-Hyun You, Dong-Gyun Ra
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Patent number: 8643272Abstract: An organic light emitting diode (OLED) display with improved display unit sealing performance is provided. The OLED display includes a substrate, a display unit formed over the substrate and including a plurality of pixels, a conductive contact layer disposed at a distance from the display unit around the display unit, and a sealing member facing the display unit and being fixed to the substrate by the conductive contact layer. The sealing member includes a plurality of metal layers laminated with an insulating adhesive layer formed therebetween, and the plurality of metal layers is electrically connected to the display unit through the conductive contact layer.Type: GrantFiled: September 23, 2011Date of Patent: February 4, 2014Assignee: Samsung Display Co., Ltd.Inventor: Dong-Gyun Ra
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Patent number: 8508686Abstract: A display system includes a housing member which has space therein, a plurality of light source units which are placed in the space, a diffusion member which is disposed on the light source units, a liquid crystal display panel which is disposed on the diffusion member, an infrared camera unit which is interposed between the liquid crystal display panel and the diffusion member and photograph a front region of the liquid crystal display panel, and a plurality of infrared light sources which emit infrared light to the front region of the liquid crystal display panel.Type: GrantFiled: August 15, 2011Date of Patent: August 13, 2013Assignee: Samsung Display Co., Ltd.Inventor: Dong-Gyun Ra
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Patent number: 8421353Abstract: Embodiments may include an OLED display including a substrate, a display unit over the substrate and including a plurality of pixels, a conductive contact layer outside the display unit at a distance from the display unit, and a sealing member facing the display unit and fixed to the substrate by the conductive contact layer. The sealing member may include a plurality of metal layers laminated with an insulating adhesive layer, the insulating adhesive layer being between the metal layers, and a supporting layer neighboring the metal layers with the insulating adhesive layer being between the supporting layer and the metal layers. The plurality of metal layers may be electrically connected to the display unit through the conductive contact layer.Type: GrantFiled: September 23, 2011Date of Patent: April 16, 2013Assignee: Samsung Display Co., Ltd.Inventors: Dong-Gyun Ra, Jang-Doo Lee, Chun-Seok Ko
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Patent number: 8416168Abstract: A liquid crystal display (“LCD”) includes; a gate line, a plurality of pairs of a first data line and a second data line which border a plurality of pixel regions and are disposed respectively on both sides of each pixel region, a plurality of pairs of first and second thin-film transistors (“TFTs”) which are connected to the gate line and a pair of the first and second data lines, and a first and second subpixel electrode disposed in each pixel region and connected to the first and second TFTs, respectively, wherein the pixel regions include first through third pixel regions arranged in the first direction, wherein at least one of the first and second TFTs of the second pixel region is disposed on a same side of an adjacent data line as the first and second subpixel electrodes of one of the first and third pixel regions.Type: GrantFiled: December 3, 2009Date of Patent: April 9, 2013Assignee: Samsung Display Co., Ltd.Inventors: Dong-Beom Cho, Dong-Gyun Ra, Yong-Jun Choi, Woo-Jin Jung
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Patent number: 8398291Abstract: A back cover for a backlight assembly capable of achieving a more compact a display apparatus includes a cover element, a line portion, and a plurality of point light sources. The cover element includes a metallic layer, and the cross-section of the cover element has an L-shape. The line portion is formed over the cover element. The point light sources are mounted on the surface of the cover element to receive a driving voltage from the line portion. A bottom cover portion of the cover element covers an opening portion. A side cover portion of the cover element faces the side wall. The point light sources mounted on the cover element emit light on a side surface of a light guide plate.Type: GrantFiled: June 6, 2012Date of Patent: March 19, 2013Assignee: Samsung Display Co., Ltd.Inventors: Young-Joo Nam, Sang-Hoon Park, Dong-Gyun Ra
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Patent number: 8299995Abstract: A liquid crystal display includes a liquid crystal panel having a plurality of pixels, a lookup table which stores information about a plurality of digital common voltages, each of the plurality of digital common voltages corresponding to at least one gray value, a timing controller which analyzes gray characteristics of image signals to be displayed on the liquid crystal panel and which selects one of the digital common voltages based on an analysis result, and a common voltage generator which generates an analog common voltage in response to the digital common voltage selected by the timing controller and which supplies the analog common voltage to the liquid crystal panel.Type: GrantFiled: February 3, 2009Date of Patent: October 30, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Jae-Won Jeong, Bong-Im Park, Yong-Jun Choi, Bong-Ju Jun, Yun-Jae Kim, Dong-Gyun Ra, Dong-Beom Cho
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Publication number: 20120243257Abstract: A back cover for a backlight assembly capable of achieving a more compact a display apparatus includes a cover element, a line portion, and a plurality of point light sources. The cover element includes a metallic layer, and the cross-section of the cover element has an L-shape. The line portion is formed over the cover element. The point light sources are mounted on the surface of the cover element to receive a driving voltage from the line portion. A bottom cover portion of the cover element covers an opening portion. A side cover portion of the cover element faces the side wall. The point light sources mounted on the cover element emit light on a side surface of a light guide plate.Type: ApplicationFiled: June 6, 2012Publication date: September 27, 2012Inventors: Young-Joo NAM, Sang-Hoon PARK, Dong-Gyun RA
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Patent number: 8206022Abstract: A back cover for a backlight assembly capable of achieving a more compact a display apparatus includes a cover element, a line portion, and a plurality of point light sources. The cover element includes a metallic layer, and the cross-section of the cover element has an L-shape. The line portion is formed over the cover element. The point light sources are mounted on the surface of the cover element to receive a driving voltage from the line portion. A bottom cover portion of the cover element covers an opening portion. A side cover portion of the cover element faces the side wall. The point light sources mounted on the cover element emit light on a side surface of a light guide plate.Type: GrantFiled: March 30, 2011Date of Patent: June 26, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Young-Joo Nam, Sang-Hoon Park, Dong-Gyun Ra
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Publication number: 20120146491Abstract: Embodiments may include an OLED display including a substrate, a display unit over the substrate and including a plurality of pixels, a conductive contact layer outside the display unit at a distance from the display unit, and a sealing member facing the display unit and fixed to the substrate by the conductive contact layer. The sealing member may include a plurality of metal layers laminated with an insulating adhesive layer, the insulating adhesive layer being between the metal layers, and a supporting layer neighboring the metal layers with the insulating adhesive layer being between the supporting layer and the metal layers. The plurality of metal layers may be electrically connected to the display unit through the conductive contact layer.Type: ApplicationFiled: September 23, 2011Publication date: June 14, 2012Inventors: Dong-Gyun Ra, Jung-Doo Lee, Chun-Seok Ko
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Publication number: 20120146493Abstract: An organic light emitting diode (OLED) display with improved display unit sealing performance is provided. The OLED display includes a substrate, a display unit formed over the substrate and including a plurality of pixels, a conductive contact layer disposed at a distance from the display unit around the display unit, and a sealing member facing the display unit and being fixed to the substrate by the conductive contact layer. The sealing member includes a plurality of metal layers laminated with an insulating adhesive layer formed therebetween, and the plurality of metal layers is electrically connected to the display unit through the conductive contact layer.Type: ApplicationFiled: September 23, 2011Publication date: June 14, 2012Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.Inventor: Dong-Gyun Ra
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Patent number: 8197112Abstract: A backlight assembly includes: a light guide plate having a light entering surface, a light facing surface that is substantially parallel to the light entering surface, a light emitting surface connecting first edges of the light entering surface and the light facing surface, and a bottom surface connecting second edges of the light entering surface and the light facing surface. A light source unit provides light to the light entering surface. At least one color sensor is disposed to receive light from the light guide plate, and at least one light amplifying member is disposed between the light guide plate and the color sensor to collect and concentrate the light from the light guide plate on the color sensor.Type: GrantFiled: November 13, 2007Date of Patent: June 12, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Sang-hoon Park, Young-joo Nam, Dong-gyun Ra
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Publication number: 20110299007Abstract: A display system includes a housing member which has space therein, a plurality of light source units which are placed in the space, a diffusion member which is disposed on the light source units, a liquid crystal display panel which is disposed on the diffusion member, an infrared camera unit which is interposed between the liquid crystal display panel and the diffusion member and photograph a front region of the liquid crystal display panel, and a plurality of infrared light sources which emit infrared light to the front region of the liquid crystal display panel.Type: ApplicationFiled: August 15, 2011Publication date: December 8, 2011Inventor: Dong-Gyun Ra
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Publication number: 20110273408Abstract: A gate driving circuit generates a gate driving signal for a P-type transistor and a gate driving signal for an N-type transistor, a scanning signal and a light emission control signal, and the gate driving circuit provides a pulse width control function and a concurrent light emitting function.Type: ApplicationFiled: January 10, 2011Publication date: November 10, 2011Inventors: Dong-Gyun Ra, Woo-Chul Kim
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Patent number: 8023061Abstract: A display system includes a housing member which has space therein, a plurality of light source units which are placed in the space, a diffusion member which is disposed on the light source units, a liquid crystal display panel which is disposed on the diffusion member, an infrared camera unit which is interposed between the liquid crystal display panel and the diffusion member and photograph a front region of the liquid crystal display panel, and a plurality of infrared light sources which emit infrared light to the front region of the liquid crystal display panel.Type: GrantFiled: July 24, 2008Date of Patent: September 20, 2011Assignee: Samsung Electronics Co., Ltd.Inventor: Dong-Gyun Ra
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Publication number: 20110176332Abstract: A back cover for a backlight assembly capable of achieving a more compact a display apparatus includes a cover element, a line portion, and a plurality of point light sources. The cover element includes a metallic layer, and the cross-section of the cover element has an L-shape. The line portion is formed over the cover element. The point light sources are mounted on the surface of the cover element to receive a driving voltage from the line portion. A bottom cover portion of the cover element covers an opening portion. A side cover portion of the cover element faces the side wall. The point light sources mounted on the cover element emit light on a side surface of a light guide plate.Type: ApplicationFiled: March 30, 2011Publication date: July 21, 2011Inventors: Young-Joo NAM, Sang-Hoon Park, Dong-Gyun Ra