Patents by Inventor Seong-Sik Choi

Seong-Sik Choi 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).

  • Publication number: 20100110666
    Abstract: A lamp socket assembly includes a base plate, and lamp sockets, each lamp socket including a connection terminal, each connection terminal connected to a terminal of a lamp, and one or more first fixing portions, each of which is integrated with the connection terminal, penetrates the base plate, has at least one bent end, and contacts opposing surfaces of the base plate.
    Type: Application
    Filed: September 30, 2009
    Publication date: May 6, 2010
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yong-Hwi Kim, Hyun-Chul Bae, Seong-Sik Choi
  • Patent number: 7710514
    Abstract: An liquid crystal display (LCD) including an LCD panel and a light guiding plate disposed on the rear of the LCD panel. The light guiding plate includes a main body, a fixing part extended from a side of the main body, and a protrusion formed on a rear of the light guiding plate and on a boundary area of the fixing part and the main body.
    Type: Grant
    Filed: May 1, 2006
    Date of Patent: May 4, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Seong-sik Choi
  • Publication number: 20100085507
    Abstract: Disclosed is a display apparatus according to one or more embodiments. The display apparatus according to an embodiment includes a display panel, an optical sheet unit having a convex print pattern to maintain an interval with the display panel, and a light source supplying light to the display panel through the optical sheet unit. Each pattern of the optical sheet may be disposed on a non-display unit of the optical sheet unit.
    Type: Application
    Filed: March 18, 2009
    Publication date: April 8, 2010
    Inventors: Joo-Woan CHO, Jac-Chang Choi, Seong-Sik Choi
  • Publication number: 20100073914
    Abstract: The light sourcing module of a backlit LCD display apparatus includes a light sources and power sources supporting substrate. The supporting substrate supports plural light sources on a top major surface thereof and at least one heat generating and power supplying circuit element that protrudes from a bottom major surface of the supporting substrate. The supporting substrate integrally includes wiring that couples driving power output by power supplying circuit element to the plural light sources. A rear receiving frame includes an integral heat-sinking and dissipating recess or groove that is positioned and dimensioned to receive the power supplying circuit element when the supporting substrate is received by the rear receiving frame. The integral heat-sinking and dissipating recess or groove removes heat from the heat generating and power supplying circuit element so that such heat does not adversely affect performance of the light sources.
    Type: Application
    Filed: April 3, 2009
    Publication date: March 25, 2010
    Inventors: Jin-Hee PARK, Yong-Woo Lee, Joo-Young Kim, Seong-Sik Choi, Byoung-Dae Ye
  • Publication number: 20100054501
    Abstract: A vibration speaker with facial plate has developed for delivering sound in a form of vibrational movement to a user's skin. The vibration speaker includes a voice coil to generate a magnetic force in response to application of a sound signal from an exterior, a magnet having a predetermined magnetic force to interact with the magnetic force from the voice coil, a basket to receive the magnet, a face plate to deliver upward and downward movement of the voice coil or the magnet to the user's skin, and a rear cover coupled to the face plate to constitute an appearance of the vibration speaker. The face plate is provided with a plate-shaped tensioner providing a predetermined tension for maintaining the face plate in a horizontal state to control upward and downward vibrational movement delivered from the vibration speaker.
    Type: Application
    Filed: November 27, 2007
    Publication date: March 4, 2010
    Inventor: Seong Sik Choi
  • Publication number: 20100014280
    Abstract: A first lamp electrode supporter includes a first terminal having a first lamp electrode fixing hole through which a lamp electrode is inserted, and a second terminal connected to an inverter connector. A second lamp electrode supporter is disposed opposite to the first lamp electrode supporter. The second lamp electrode supporter has a second lamp electrode fixing hole through which the lamp electrode is inserted. A peripheral portion corresponding to the second lamp electrode fixing hole is formed closely to the first lamp electrode supporter. A connecting part connects the first lamp electrode supporter and the second lamp electrode supporter. An elastic guide part is extended from the connecting part to a spacing between the first and second lamp electrode supporters. The elastic guide part supports the lamp electrode when the lamp electrode contacts the first and second lamp electrode fixing holes.
    Type: Application
    Filed: June 19, 2009
    Publication date: January 21, 2010
    Inventors: Yong-Hwi Kim, Hyun-Chul Bae, Seong-Sik Choi
  • Patent number: 7637641
    Abstract: In a backlight assembly and a display device having the same, the backlight assembly includes a receiving container, a light source, a reflecting member and an optical member. The receiving container includes a bottom plate and a sidewall protruded from a side of the bottom plate. The light source is received in the receiving container. The light source generates light. The reflecting member is interposed between the bottom plate and the light source. The reflecting member has a protruded portion protruded upward to support the light source. The optical member is on the light source to improve optical characteristics of the light generated from the light source.
    Type: Grant
    Filed: February 3, 2006
    Date of Patent: December 29, 2009
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seong-Sik Choi, Dong-Lyoul Shin
  • Publication number: 20090257216
    Abstract: A lamp socket includes a socket housing and a plurality of power supply members. The socket housing has a plurality of connecting holes extended in a vertical direction. The power supply members are disposed in the connecting holes, respectively, and each of the power supply members includes a plurality of lamp connecting parts and an inverter connecting part. The lamp connecting parts are protruded from an upper surface of the socket housing and include first and second portions facing each other. The inverter connecting part is integrally formed with the lamp connecting parts, and is protruded from a lower surface of the socket housing.
    Type: Application
    Filed: June 8, 2009
    Publication date: October 15, 2009
    Inventors: Joo-Woan Cho, Seong-Sik Choi, Hyeon-Yong Jang, Tae-Seok Jang, Jin-Sung Choi, Du-Hwan Chung, Dong-Hoon Kim, Seung-Ha Shin
  • Publication number: 20090256492
    Abstract: A light source module includes a power transmission substrate and a plurality of point light sources. The power transmission substrate has a plurality of dimming areas disposed along a first direction. The point light sources are spaced apart from each other in each dimming area along the first direction and receive driving power applied to each dimming area through the power transmission substrate and generate light. A spatial interval between the point light sources in the first direction is greater in dimming areas more distant from the center of the power transmission substrate than in dimming areas closer to the center of the power transmission substrate.
    Type: Application
    Filed: January 23, 2009
    Publication date: October 15, 2009
    Inventors: Yong-Woo Lee, Jin-Hee Park, Seong-Sik Choi, Joo-Young Kim
  • Publication number: 20090207125
    Abstract: A backlight assembly includes a receiving container, a plurality of light-emitting modules, a driving unit and a side mold. The receiving container includes a bottom plate and a side part formed on a peripheral edge portion of the bottom plate. Light-emitting modules of the plurality of light-emitting modules are disposed in the receiving container. The light-emitting modules include a light-emitting base board and a plurality of light-emitting diodes (“LEDs”) disposed on a first side of the light-emitting base board. The driving unit is disposed in the receiving container proximate to a lower portion of the peripheral edge portion of the bottom plate. The driving unit is electrically connected to the light-emitting modules to control an operation of the plurality of LEDs.
    Type: Application
    Filed: January 15, 2009
    Publication date: August 20, 2009
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jin-Hee PARK, Yong-Woo LEE, Seong-Sik CHOI
  • Publication number: 20090191741
    Abstract: A lamp socket includes a power-up device including a conductive material and supplying power to a lamp electrode, and a housing receiving the power transmitting member. The power transmitting member includes an inverter connector, a first lamp electrode supporter, and an terminal unit. The first lamp electrode supporter is connected to the inverter connector and formed with a lamp electrode receiving section into which the lamp electrode is inserted. The terminal unit has a fixed terminal connected to the first lamp electrode supporter, a free-end terminal supporting the lamp electrode such that the lamp electrode adheres to the lamp electrode receiving section, and a connection terminal that connects the fixed terminal to the free-end terminal in the housing.
    Type: Application
    Filed: January 28, 2009
    Publication date: July 30, 2009
    Inventors: Joo-Woan Cho, Seong-Sik Choi
  • Patent number: 7564194
    Abstract: A lamp driving circuit includes: a voltage supply part including a first voltage supply part and a second voltage supply part; a first circuit part including a first terminal, a second terminal and a first coil; a second circuit part including a second coil electromagnetically coupled to the first coil and which supplies a voltage to a lamp; and an electric current detecting part which detects an electric current of the first coil and includes a detecting resistor and an electric current detector.
    Type: Grant
    Filed: July 13, 2007
    Date of Patent: July 21, 2009
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyeon-Yong Jang, Seong-Sik Choi, Du-Hwan Chung, Moon-Shik Kang, Song-Yi Han
  • Publication number: 20090168454
    Abstract: A backlight assembly includes a light source, a light-guide plate and an integrally formed frame. The light-guide plate guides light generated from the light source. The integrally formed frame includes a chassis and a mold frame integrally combined with the chassis as an indivisible unitary element through insert/outsert injection. The integrally formed frame receives the light source and the light-guide plate. A hemming part is formed on a sidewall of the chassis to increase strength of the integrally formed frame. Therefore, the number of elements is decreased, and strength against bending stress, impact resistance and heat dissipation are improved.
    Type: Application
    Filed: July 14, 2008
    Publication date: July 2, 2009
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yong-Woo LEE, Seong-Sik CHOI, Cheol-Yong NOH
  • Publication number: 20090161036
    Abstract: In a method of manufacturing a backlight assembly, a light reflective and heat-radiating sheet including a light reflective sheet layer to reflect light and a heat-radiating sheet layer are prepared. The heat-radiating sheet layer includes a coupling layer integrally formed with a surface of the light reflective sheet layer and heat-diffusing particles are dispersed in the coupling layer to diffuse heat provided from the exterior. The light reflective and heat-radiating sheet is disposed so that the coupling layer is adhered to a bottom plate of a receiving container. Thus, impurities may be prevented and/or reduced, and assembling efficiency may be improved.
    Type: Application
    Filed: October 1, 2008
    Publication date: June 25, 2009
    Inventors: Joo-Woan CHO, Seon-Bae Kim, Seong-Sik Choi, Yong-Woo Lee, Hyun-Chul Bae, Du-Hwan Chung, Cheol-Yong Noh, Chi-O Cho
  • Patent number: 7549881
    Abstract: A lamp socket includes a socket housing and a plurality of power supply members. The socket housing has a plurality of connecting holes extended in a vertical direction. The power supply members are disposed in the connecting holes, respectively, and each of the power supply members includes a plurality of lamp connecting parts and an inverter connecting part. The lamp connecting parts are protruded from an upper surface of the socket housing and include first and second portions facing each other. The inverter connecting part is integrally formed with the lamp connecting parts, and is protruded from a lower surface of the socket housing.
    Type: Grant
    Filed: July 24, 2007
    Date of Patent: June 23, 2009
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Joo-Woan Cho, Seong-Sik Choi, Hyeon-Yong Jang, Tae-Seok Jang, Jin-Sung Choi, Du-Hwan Chung, Dong-Hoon Kim, Seung-Ha Shin
  • Publication number: 20090141210
    Abstract: The present invention relates to a backlight unit with a light emitting diode block assembly connected thereto, and a liquid crystal display having the backlight unit. In one embodiment, the backlight unit includes a plurality of light source blocks each of which includes a substrate having a light source and an electrode portion formed thereon; a connector electrically connecting the light source blocks to each other, coupled to the light source blocks in contact with one side of the connector, and fastening the light source blocks to each other by cross-coupling the light source blocks; and a supporter disposed on the other side of the connector. In this manner, LED blocks can be simultaneously both electrically and mechanically coupled, using a relatively small and simple number of connectors, facilitating reliability and ease of manufacture.
    Type: Application
    Filed: July 30, 2008
    Publication date: June 4, 2009
    Inventors: Joo-Woan CHO, Seong-Sik CHOI, Byung-Choon YANG
  • Publication number: 20090128734
    Abstract: A lamp socket that can reduce the thickness of both sides of a display device includes a socket main body having a contact hole formed therein, and a power-applying member coupled to the socket main body through the contact hole, and provided with a lamp connection terminal, an inverter connection terminal, and a terminal connection part connected with the lamp connection terminal in a bent form so as to connect the lamp connection terminal with the inverter connection terminal. Accordingly, the thickness of both sides of the display device including the lamp sockets is reduced, and the compatibility of the product is extended.
    Type: Application
    Filed: June 11, 2008
    Publication date: May 21, 2009
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Joo-Woan CHO, Seong-Sik CHOI, Yong-Woo LEE, Hyun-Chul BAE, Du-Hwan CHUNG, Cheol-Yong NOH
  • Patent number: 7530727
    Abstract: A backlight assembly includes a receiving container including a bottom plate having a lower face and an upper face opposite the lower face, a sidewall part protruding from edge portions of the bottom plate, and a plurality of light property controlling parts disposed on the upper face and having a substantially wedge shaped cross-section. The backlight further includes a light source disposed between adjacent light property controlling parts, and the light source is received by the receiving container, wherein a distance between a center of the light source and the upper face is substantially equal to a height of at least one of the plurality of light property controlling parts. The backlight assembly may increase the brightness and brightness-uniformity of light.
    Type: Grant
    Filed: January 10, 2006
    Date of Patent: May 12, 2009
    Assignee: Samsung Electronics, Co., Ltd.
    Inventors: Seong-Sik Choi, Dong-Lyoul Shin, Kui-Yong Choi, Jae-Hwan Chun, Doo-Won Lee
  • Patent number: 7527419
    Abstract: A backlight assembly includes a lamp, a light guide plate, a receiving container and a lamp holder. The lamp generates light. The light guide plate has a light incident face through which the light generated by the lamp enters the light guide plate. The light guide plate guides the light. The receiving container has a base plate and sidewalls protruding from the edge portions of the base plate to define a receiving space for receiving the lamp and the light guide plate. The lamp holder holds an end portion of the lamp and includes a buffer portion. When an impact is applied to the backlight assembly, the buffer portion absorbs the impact to prevent damages to the lamp and the light guide plate.
    Type: Grant
    Filed: August 25, 2005
    Date of Patent: May 5, 2009
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seong-Sik Choi, Tae-Gil Kang, Seung-Chul Jeong
  • Publication number: 20090027904
    Abstract: A lamp socket includes a body receiving a lamp, and a power supplying member disposed inside the body, the power supplying member comprising an electrical conductive material having elasticity, wherein the power supplying member electrically interconnects the lamp and an inverter substrate on which an inverter is mounted, wherein the power supplying member includes a lamp connector receiving a lead wire of the lamp, and an inverter connector formed integrally with the lamp connector, wherein the inverter connector receives a protrusion of the inverter substrate to encircle the protrusion.
    Type: Application
    Filed: July 18, 2008
    Publication date: January 29, 2009
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Du-Hwan Chung, Joo-Woan Cho, Seong-Sik Choi, Yong-Woo Lee, Hyun-Chul Bae, Cheol-Yong Noh