Holder Patents (Class 362/634)
  • Lamp holding tool, lighting device for display device using the same, display device using the same and liquid crystal display device using lighting device for display device
    Patent number: 7909498
    Abstract: A lamp holding apparatus for mounting a lamp to a base member includes a mounting plate having a pair of locking portions protruding to a base side. The locking portion is inserted into a mounting hole provided at the base and capable of being locked to a peripheral edge on its back side. Abutting portions, which protrude to the base side and are capable of abutting the base at the time of mounting, are provided on a bottom surface of the mounting plate that is an opposing surface to the base. The abutting portions are provided at three spots with one of the locking portions interposed therebetween. At the time of mounting, each of the abutting portions abut the base, and the mounting plate is elastically deformed so as to be warped, whereby the locking surface of the locking portion is kept in the state in which it is locked to a peripheral edge of a back side of the mounting hole by its elastic force.
    Type: Grant
    Filed: December 18, 2009
    Date of Patent: March 22, 2011
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Hiroki Azuma, Tatsuya Kudari, Yoshiki Takata
  • Optical sheet, and backlight device and display device provided therewith
    Patent number: 7905619
    Abstract: A notch is formed in a side of an optical sheet. As seen in plan view, the notch is shaped such that the maximum width of the notch as measured in the direction parallel to the line connecting both ends of a mouth portion of the notch is greater than the width of the mouth portion along the side of the optical sheet. Here, it is preferable that the notch be polygonal or have a curved shape as seen in plan view.
    Type: Grant
    Filed: May 2, 2006
    Date of Patent: March 15, 2011
    Assignee: Sharp Kabushiki Kaisha
    Inventor: Kenichi Iwamoto
  • Backlight assembly and method of assembling the same
    Patent number: 7901126
    Abstract: A backlight assembly comprises an optical plate that has a fixing portion and a receiving member that has a combination portion combined with the fixing portion. The fixing portion comprises a protrusion that is extended from the optical plate and a connecting portion that is bent with respect to and extended from the protrusion.
    Type: Grant
    Filed: September 11, 2008
    Date of Patent: March 8, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Seung-Chul Jeong
  • Planer light source device
    Patent number: 7896536
    Abstract: A light source supporting member supports a light source and has a first face and a second face opposite to the first face. A light guide plate has a side face opposed to the first face of the light source supporting member and a light emitting face that emits light from the light source. A metal frame supports the light guide plate. A resin frame overlies the second face of the light source supporting member and includes a connection part that connects with the metal frame within a plate thickness of the metal frame. The connection part includes a convex part including a projection portion projecting from the convex part. The projection portion extends toward the metal frame to overlie the second face of the light source supporting member. The metal frame includes a concave part including a recessed part engaged with the projection portion.
    Type: Grant
    Filed: November 20, 2007
    Date of Patent: March 1, 2011
    Assignee: Mitsubishi Electric Corporation
    Inventors: Kenji Arita, Takuya Sakamoto
  • Frame and backlight module using the same
    Patent number: 7891859
    Abstract: A backlight module frame having a plurality of optical elements includes a bottom frame, a plurality of fixing members, and two pre-assembled members. Each pre-assembled member has a latching portion. The optical elements are stacked together and fixed to the latching portions of the pre-assembled members. The pre-assembled members are fixed to the bottom frame with the fixing members.
    Type: Grant
    Filed: December 17, 2007
    Date of Patent: February 22, 2011
    Assignee: Hon Hai Precision Industry Co., Ltd.
    Inventors: Tung-Ming Hsu, Shao-Han Chang
  • Liquid crystal display and assembly thereof
    Patent number: 7891857
    Abstract: The present invention is broadly directed towards a receiving container for an LCD apparatus for securing a lamp and lamp wiring connected to a lamp. The receiving container has features for substantially preventing the lamp wiring from being disconnected from the lamp. For example, a first through-hole for receiving the lamp wiring, a first trench, securing members, and securing projections are utilized to substantially prevent lamp wiring from being disconnected from a lamp. Additionally, the LCD apparatus is easily handled, dissipates heat effectively, and has a light weight.
    Type: Grant
    Filed: January 7, 2010
    Date of Patent: February 22, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Tae-Jin Lee, Jong-Dae Park, Jung-Soo Ok
  • Backlight module
    Patent number: 7883259
    Abstract: A holder is disposed at a side of a back light module adjacent to a light incident side of a light guide plate (LGP). A light source module is fixed on a wall of the holder that faces the light incident side. A holder engager on a side wall of the LGP engages with an LGP retainer of the holder. When the LGP expands or contracts due to changes of temperature, the holder and the light source module move with the side of the LGP, thereby a gap between the light source module and the light incident side is maintained and the luminance of the backlight module is stabilized.
    Type: Grant
    Filed: May 6, 2009
    Date of Patent: February 8, 2011
    Assignee: AU Optronics Corp.
    Inventors: Yu-Min Hung, Chih-Lang Chiu, Yun-Hsien Chou, Tsai-Fen Lee
  • Backlight assembly
    Patent number: 7883231
    Abstract: Provided is a backlight assembly which includes integral power supply sockets and ground sockets, in which the number of parts is reduced in addition to the manufacturing cost. The backlight assembly includes a lamp including a lamp tube and an electrode that protrudes beyond either end of the lamp tube, a power supply socket including a first plate that has a first guide groove through which the electrode is inserted and a plate spring that is disposed on one side of the first plate and fixes the electrode in the first guide groove by pressurizing the electrode, and a bottom chassis containing the lamp and the power supply socket therein, in which the first plate and the plate spring are formed of a conductive material.
    Type: Grant
    Filed: May 15, 2008
    Date of Patent: February 8, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Joo-Woan Cho, Seong-sik Choi, Du-hwan Chung, Cheol-yong Noh
  • Backlight assembly and flat panel display apparatus having the same
    Patent number: 7883260
    Abstract: In a backlight assembly and a flat panel display apparatus, the backlight assembly has a diffusing plate, a supporting member and reflecting plate. The supporting member has a base body portion, a supporting portion supporting the diffusing plate and a lamp holder receiving lamps to uniformly maintain spaced intervals between the lamps. The base body portion is disposed under the reflecting plate. The supporting portion and the lamp holder are inserted through engaging openings formed at the reflecting plate such that the supporting portion and the lamp holder are upwardly protruded with respect to the reflecting plate. Accordingly, the backlight assembly may reduce an area of the reflecting plate covered by the supporting member, thereby providing the light having uniform brightness distribution.
    Type: Grant
    Filed: December 9, 2009
    Date of Patent: February 8, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Yong-Il Kim
  • Positioning apparatus for preventing deformation of diffuser plate of the backlight assembly
    Patent number: 7876394
    Abstract: A positioning apparatus, used in the backlight assembly of display panel for preventing deformation of the diffuser plate, at least comprises a supporting object and an adhesive. The supporting object has a pillar, a sustaining portion and a fixing portion, wherein the sustaining portion and the fixing portion are respectively connected to the ends of the pillar. The adhesive is glued to the top of the sustaining portion of the supporting object. The diffuser plate, positioned at the top of the sustaining portion, is pulled by the adhesive, so that deformation of diffuser plate caused by the thermal and moisture shock can be effectively prevented.
    Type: Grant
    Filed: March 3, 2005
    Date of Patent: January 25, 2011
    Assignee: Chimei Innolux Corporation
    Inventors: Mei-Ying Chen, Pei-Jung Wu
  • Backlight module having replaceable light apparatus
    Patent number: 7866874
    Abstract: The present invention discloses a backlight module having replaceable light apparatus. The backlight module includes the replaceable light apparatus, a back plate and a frame body. The replaceable light apparatus includes a light control circuit, a securing device and conducting wires. The light control circuit is adapted to a frame body and a back plate of the backlight module. Additionally, the light control circuit has a plurality of light sources, a first end portion and a second end portion. The securing device has a supporting housing which has a position protrusion and a clamping portion for supporting the first end portion of the light control circuit along a first direction (X) and a third direction (Z). The clamping portion clamps the first end portion of the light control circuit along a second direction (Y) and the third direction (Z).
    Type: Grant
    Filed: July 22, 2008
    Date of Patent: January 11, 2011
    Assignee: AU Optronics Corp.
    Inventors: Keng-ju Liu, Wen-yuan Cheng, Chi-chih Chu
  • Display apparatus
    Patent number: 7869197
    Abstract: A display apparatus includes a front casing which includes a front casing body which is formed with a display opening; and a display panel module combined with the front casing, and including a panel body, a frame which is formed on a peripheral area of the panel body and supports the panel body, and a panel supporting member which is formed on the frame and supported to the front casing.
    Type: Grant
    Filed: December 10, 2007
    Date of Patent: January 11, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: You-sub Lee, Hyun-jun Jung
  • Lamp holder, and backlight device and liquid crystal display device using such lamp holder
    Patent number: 7864265
    Abstract: In a lamp holder for holding an end section of a fluorescent lamp, a long groove is formed on a plane facing a light entrance plane of a light guide plate, in a same direction as the longitudinal direction of the light entrance plane, and a first hole is formed on a plane vertical to the light entrance plane, at a position below the bottom surface of the long groove, for inserting the end section of the fluorescent lamp.
    Type: Grant
    Filed: August 25, 2006
    Date of Patent: January 4, 2011
    Assignee: Sharp Kabushiki Kaisha
    Inventor: Yuhji Takahashi
  • Mold frame and liquid crystal display having the same
    Patent number: 7843524
    Abstract: A mold frame formed integrally with a lamp holder for holding a lamp and a LCD having the mold frame. The mold frame includes a receiving unit provided with a predetermined receiving space therein, and a pair of lamp holders formed on a side of the receiving unit to hold a lamp. Each of the lamp holders includes a contact surface reducing member reducing a contact surface between the lamp and the lamp holder. The receiving unit and the pair of lamp holders are integrally formed.
    Type: Grant
    Filed: July 18, 2007
    Date of Patent: November 30, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yong Woo Lee, An Na Ryu, Sung Wook Kang
  • BACKLIGHT UNIT OF DISPLAY APPARATUS
    Publication number: 20100296310
    Abstract: A backlight unit of a display apparatus is provided. The backlight unit includes a display housing, a light source which is arranged along an inner circumference the display housing, a light guide plate through which light of the light source is transmitted, and which forms surface light, an optical sheet which is disposed on an upper side of the light guide plate to upwardly diffuse the light of the light source transmitted through the light guide plate, a plurality of first fixing units, each of which fix both the light guide plate and the optical sheet, a plurality of second fixing units which support only the light guide plate, and a support frame which is connected to the display housing to fix the optical sheet to the display housing provisionally, and has a window formed on a surface corresponding to the light guide plate to allow light to pass therethrough.
    Type: Application
    Filed: May 21, 2010
    Publication date: November 25, 2010
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kyung-ock JEONG, Il-yong JUNG, Myung-ryul JUNG, Dae-hee LEE
  • Image display apparatus
    Patent number: 7837376
    Abstract: An image display apparatus comprising a light guide plate, a light-emitting diode (LED), a first transparent substrate and a second transparent substrate is provided. Light generated from the LED is guided into the light guide plate through the edge thereof, and outwardly projected through the two opposite surfaces of the light guide plate. Thus, a pattern being disposed in front of the first transparent substrate or the second transparent substrate would be lighted up.
    Type: Grant
    Filed: August 14, 2008
    Date of Patent: November 23, 2010
    Assignee: Lextar Electronics Corporation
    Inventors: Meng-Chai Wu, Chien-Lung Lee
  • Liquid crystal display with backlight unit, mold frame and coverless bezel in a frame shape surrounding and directly contacting outer side surface of mold frame
    Patent number: 7839465
    Abstract: A liquid crystal display includes a liquid crystal display panel. A backlight unit has a light guide plate and light source positioned on a back surface of the liquid crystal display panel. The liquid crystal display panel and the backlight unit are assembled on a mold frame. A bezel formed in a frame shape covers the external sides of the mold frame.
    Type: Grant
    Filed: March 19, 2008
    Date of Patent: November 23, 2010
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Younhwan Jung, Woonbo Yeo, Wonki Cho, Jeongmin Park
  • Back chassis integrating reflector, back light and liquid crystal display
    Patent number: 7832916
    Abstract: A modularized reflector is produced by integrating or laminating: a sheet metal back chassis in which a light source supporting section, a through-hole or a groove for extracting a light source electrode terminal, and a frame for supporting a light diffusing plate and an optical film are integrally formed through sheet metal working; and a light reflecting layer made of a molded product of a light reflective thermoplastic resin material formed into a shape for covering the back chassis. By producing a backlight device and a liquid crystal display using the reflector, there are provided the reflector reduced in the number of components, in the number of assembly steps, and in weight and thickness, and a back light and a liquid crystal display using the reflector.
    Type: Grant
    Filed: June 10, 2005
    Date of Patent: November 16, 2010
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Hiroshi Kawato, Masami Kogure
  • Lamp sockets assembly guide, and backlight assembly and liquid crystal display having the same
    Patent number: 7819571
    Abstract: A lamp sockets guide is provided which includes a lamp sockets receiving and fastening portion for alignably receiving and retaining a plurality of lamp sockets and an inverter cover portion formed at one side of the lamp sockets receiving and fastening portion to protect an inverter, wherein the lamp sockets receiving and fastening portion and the inverter cover portion are integrally formed.
    Type: Grant
    Filed: October 31, 2007
    Date of Patent: October 26, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young Nam Kim, Jae Hwan Chun, Jong Ho Won, Kyung Rok Ko
  • Backlight assembly and display device having the same
    Patent number: 7819574
    Abstract: A backlight assembly and a liquid crystal device having the same are provided. The backlight assembly includes a lamp unit configured to generate light, a reflection sheet configured to reflect the light from the lamp unit and a receiving frame having at least one recess portion configured to fix the reflection sheet so that the reflection sheet can be fixed to the backlight assembly without using an adhesive.
    Type: Grant
    Filed: October 21, 2008
    Date of Patent: October 26, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Byung-Cheon Yoo, Yong-Hyun Hwang
  • Backlight module
    Patent number: 7821595
    Abstract: A backlight module includes a frame, an optical element, a bottom plate, a holder, and a light source. The optical elements are located on the frame and a space between the sidewall of the frame and the optical elements. The bottom plate located under the optical elements. The light source is on the holder inserted into the space, The holder is inserted into the space along the direction toward the bottom surface of the bottom plate, and is removed from the space along the opposing direction.
    Type: Grant
    Filed: June 2, 2010
    Date of Patent: October 26, 2010
    Assignee: Au Optronics Corporation
    Inventors: Therm-Hoo Ke, Ying-Feng Hsu, Chi-Chun Yang, Li-Chuan Yu, Tzu-Yi Liu, Tung-Liang Shao, Tung-I Yen, Shih-Chang Chang
  • Light guide for surface light source device and surface light source device
    Patent number: 7815357
    Abstract: A high quality surface light source in which various kinds of unevenness in luminance due to use of small number of spot-like primary light sources for reducing power consumption is eliminated, and a light guide for use therein. The planar light guide (4) guides light emitted from a plurality of spot-like primary light sources (2) and has an incoming end face (41) of lights emitted from the primary light source (2) and an outgoing face (43) of guided light. A high light diffusion region (431) extends substantially along the direction of directivity of light entering the light guide (4) in a plane extending along the outgoing face (43), in the vicinity of the incoming end face of at least one of the outgoing face (43) and its rear surface (44) on the opposite side. The high light diffusion region (431) has a mean inclination angle larger than that of an adjacent region (434).
    Type: Grant
    Filed: September 27, 2005
    Date of Patent: October 19, 2010
    Assignee: Mitsubishi Rayon Co., Ltd.
    Inventors: Kentaro Hayashi, Tomoyoshi Yamashita
  • Liquid crystal display device having a container module with a novel structure
    Patent number: 7810984
    Abstract: A liquid crystal display has a mold frame divided into several parts. The liquid crystal display device includes a display unit for displaying an image, a back-light assembly having a light source for generating a light, a light guiding plate for guiding the light, and a light focusing portion for focusing the light, and a mold divided into a first frame and a second frame. The mold frame receives the display unit and the back-light assembly. The first frame receives the light guiding plate and the light focusing portion and the second frame receives the light source. A reflection sheet is integral formed at an inner surface of the second frame so as to perform the function of a lamp reflector. Accordingly, a lamp cover is not required so that the number of parts and the manufacturing cost are reduced.
    Type: Grant
    Filed: March 6, 2008
    Date of Patent: October 12, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Guy-Ho Cha, Hee-Chun Lee, Jong-Dae Park
  • Liquid crystal display device having integral receiving box and assembly method for same
    Patent number: 7808574
    Abstract: An exemplary liquid crystal display (LCD) device includes a liquid crystal panel, a backlight module parallel to the liquid crystal panel, and a receiving box. The receiving box includes a bezel and a back plate connected to the bezel. The back plate can rotate along a combination portion of the first bezel and the back plate. The bezel accommodates the liquid crystal panel and the backlight module. The back plate and the bezel fasten the liquid crystal panel and the backlight module. A related method for assembly of the LCD device is also provided.
    Type: Grant
    Filed: July 14, 2008
    Date of Patent: October 5, 2010
    Assignee: Chimei Innolux Corporation
    Inventor: Chih-Shun Tang
  • Backlight assembly and display device having the same
    Patent number: 7806544
    Abstract: A backlight assembly includes a plurality of lamps, a receiving container and a conductive member. Each of the lamps includes a lamp body, a first electrode part disposed at a first end portion of the lamp body and a second electrode part disposed at a second end portion of the lamp body, the second end portion being opposite to the first end portion. The receiving container includes a bottom plate on which the lamps are disposed and a sidewall disposed at edge portions of the bottom plate to define a receiving space. The receiving container has a plurality of grounding portions formed on the bottom plate or the sidewalls. The conductive member electrically connects the second electrode part to one of the grounding portions.
    Type: Grant
    Filed: May 18, 2006
    Date of Patent: October 5, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Won-Ju Kim, Min-Ho Ok, Yoon-Soo Kwon, Jung-Tae Kang, Sang-Hoon Park, Jin-Ho Ha, Woong-Jae Chang
  • Illumination device and display device
    Patent number: 7802912
    Abstract: A display device includes a plurality of cold cathode tubes that define linear light sources and are arranged in an aligned state in a backlight device. A direction that is perpendicular or substantially perpendicular to a surface S along the direction of alignment of the cold cathode tubes is set as the illumination direction. The cold cathode tubes are supported in two kinds of postures whose axes intersect with each other. A first inclined cold cathode tube and a second inclined cold cathode tube are arranged in postures that incline the axis of each relative to the direction of illumination. The overall distribution of light intensity can be expanded by the amount of the relative inclination angles of the first inclined cold cathode tube and the second inclined cold cathode tube.
    Type: Grant
    Filed: May 15, 2006
    Date of Patent: September 28, 2010
    Assignee: Sharp Kabushiki Kaisha
    Inventor: Kentaroh Aoki
  • LED lamp including positioning frame for general illumination
    Patent number: 7802913
    Abstract: An LED lamp includes a positioning frame base, LED bars, a light guide plate, a reflection sheet, an optical film, a power supply unit and a protective cover. The LED bars and the light guide plate are disposed at the inner side of the positioning frame base; the reflection sheet is stuck on one side of the light guide plate; the optical film is disposed on the other side of the light guide plate, and the protective cover is disposed over the optical film. The power supply unit is installed at the rear side of the positioning frame base for converting and supplying steady DC power for the LED bars. Different types of optical films can be selected for adjusting the lighting angles of the LED bars.
    Type: Grant
    Filed: June 18, 2008
    Date of Patent: September 28, 2010
    Assignee: Teamwin Opto-Electronics Co., Ltd.
    Inventor: Tzung-Shiun Tsai
  • Display device and liquid crystal display device
    Patent number: 7798701
    Abstract: A display device includes a point light source; a light source substrate; a rear frame including a first side wall and a bottom, the light source substrate being disposed at an inner surface of the first side wall; and a front frame engaged with the rear frame and including a second side wall that faces the first side wall. The first side wall and the second side wall respectively have a first through hole and a second through hole through which a screw is inserted. The light source substrate has a screw hole to be screwed with the screw and is located only at a position corresponding to the first through hole and the second through hole. The light source substrate is fixed by the screw that is inserted into the first through hole and the second through hole and is screwed into the screw hole.
    Type: Grant
    Filed: June 19, 2008
    Date of Patent: September 21, 2010
    Assignee: Mitsubishi Electric Corporation
    Inventors: Akihiro Mori, Takuya Sakamoto
  • LED backlight unit including light guide plate with fixing means
    Patent number: 7784989
    Abstract: An LED backlight unit has a substrate, a plurality of light emitting diodes disposed on the substrate, and a light guide plate is placed adjacent to the light source. A chassis fixes the light source and the light guide plate therein. Fixing means engagingly fit a side of the light guide plate into the light source plate and chassis with the substrate of the light source is fixed in surface contact with the chassis. The light guide plate is assemblable without a thermosetting adhesive.
    Type: Grant
    Filed: February 20, 2007
    Date of Patent: August 31, 2010
    Assignee: Samsung LED Co. Ltd.
    Inventor: Chang Ho Shin
  • Liquid crystal display device
    Patent number: 7787072
    Abstract: A liquid crystal display device includes a liquid crystal display module, a circuit board, and a shield case. The circuit board is mounted on the liquid crystal display module and has a socket for receiving a power supply plug. The shield case includes an offset portion on a rear part to contain the circuit board. An opening formed with holding members for securing the socket is provided at the offset portion.
    Type: Grant
    Filed: September 4, 2007
    Date of Patent: August 31, 2010
    Assignees: Innocom Technology (Shenzhen) Co., Ltd., Chimei Innolux Corporation
    Inventors: Rui-Ye Shen, Su-Sheng Mong, Te-Hsu Wang
  • Light source unit, light emitting device, and display device having same
    Patent number: 7784990
    Abstract: A light emitting device includes at least one light source, a rigid nonconductive light source fixing member having at least one fastening unit that includes a plurality of sections defining spaces where the at least one light source is fixed, a wiring line, which transmits a driving signal to the at least one light source, wherein the wiring line is formed in the light source fixing member such that the wiring line is not directly exposed on the outer surface of the light source fixing member, and an optical waveguide that guides light emitted from the at least one light source.
    Type: Grant
    Filed: December 4, 2007
    Date of Patent: August 31, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Ju-Hyoun Kim
  • Optical plate with optical sheet fixing means and backlight module using the same
    Patent number: 7780333
    Abstract: A backlight module includes a frame, a plurality of lamps in the frame, and an optical plate including a main body having a light input surface, and a light output surface opposite to the light input surface. The light input surface is adjacent to the lamps, and at least one bracket extension is integral with one end of the main body for fixing the optical plate to the frame. The at least one bracket extension includes a top surface for supporting a liquid crystal display panel, a side surface connecting with the top surface and being farthest from the main body, and a protecting protrusion located on the side surface for protecting a drive circuit connected to the liquid crystal display panel.
    Type: Grant
    Filed: April 21, 2008
    Date of Patent: August 24, 2010
    Assignees: Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.
    Inventors: Tung-Ming Hsu, Shao-Han Chang, Fen Chen
  • Backlight assembly and display device having the same
    Patent number: 7775701
    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: Grant
    Filed: July 14, 2008
    Date of Patent: August 17, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yong-Woo Lee, Seong-Sik Choi, Cheol-Yong Noh
  • Liquid crystal display device, light source holder, light source-housing member, and backlight
    Patent number: 7775702
    Abstract: A liquid crystal display device, a light source holder, a light source housing member, and a backlight, permit light sources to be easily exchanged and effectively prevent generation of defects such as deformation of light source holding members and an inability of the members to be inserted and pulled out. The backlight includes a light source holder and a light source housing member, the light source housing member housing the light source holder, wherein at least one of the light source holder and the light source housing member has a projection portion, and the light source holder and the light source housing member are in contact with each other at the projection portion.
    Type: Grant
    Filed: August 23, 2006
    Date of Patent: August 17, 2010
    Assignee: Sharp Kabushiki Kaisha
    Inventor: Hironori Kuroiwa
  • Top frame with separable portions for a liquid crystal display device
    Patent number: 7777827
    Abstract: A liquid crystal display device includes a bottom frame, a main frame over the bottom frame and having a substantially rectangular shape, a backlight unit over the main frame, the backlight unit including a reflecting plate, a light guide plate over the reflecting plate, a lamp at one side of the light guide plate, a lamp guide covering the lamp, and optical sheets over the light guide plate, a liquid crystal panel over the backlight unit, a top frame covering edges of the liquid crystal panel and combined with the main frame and the bottom frame, wherein the top frame includes a plurality of separable portions.
    Type: Grant
    Filed: December 29, 2005
    Date of Patent: August 17, 2010
    Assignee: LG Display Co., Ltd.
    Inventor: Chul Park
  • Lamp socket, backlight assembly having the same, display device having the same and method of assembling a lamp module
    Patent number: 7771106
    Abstract: A lamp socket with decreased number of components is presented. The lamp socket includes a socket housing and a power supply member. The socket housing has a connecting hole. The power supply member includes a first lamp connecting terminal and a second lamp connecting terminal. The first lamp connecting terminal is inserted into the connecting hole and includes a first fixing portion that extends through the connecting hole and a first guide portion that extends from an end portion of the first fixing portion toward a first inner wall of the connecting hole. The second lamp connecting terminal is inserted into the connecting hole and includes a second fixing portion that extends through the connecting hole and a second guide portion that extends from an end portion of the second fixing portion toward a second inner wall of the connecting hole.
    Type: Grant
    Filed: September 27, 2007
    Date of Patent: August 10, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yong-Seok Yang, Jung-Tae Kang, Jin-Ho Ha, Yoon-Soo Kwon
  • Liquid crystal display device and method for assembling the same
    Patent number: 7771105
    Abstract: Disclosed are a liquid crystal display device and a method for assembling the liquid crystal display device. The liquid crystal display device has a display section for displaying images, a receiving container for receiving the display section, a power supplying section for supplying a power source to the display section, a signal converting section for converting signals from the display section and a fixing section for fixing the power supplying section and the signal converting section to the receiving container. The power supplying section and the signal converting section are disposed between the display section and the fixing section with directly facing to a rear surface of the receiving container. Accordingly, a total thickness and weight of the liquid crystal display device can be minimized and an assembly facility of the liquid crystal display device can be improved.
    Type: Grant
    Filed: May 23, 2007
    Date of Patent: August 10, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jin-Ho Ha, Hee-June Kwak
  • Backlight module structure and backlight module incorporating same
    Patent number: 7771107
    Abstract: A backlight module structure and a backlight module incorporating the structure are provided. The backlight module includes a back plate and at least one light source device. The back plate includes a base and a plurality of projections which are substantially parallel to each other. The projections are disposed on the base and spaced apart from each other to define at least one slot and be placed at a specific height (the first height) relative to the base. The light source device is adapted to fit into the slot. The light source device includes a substrate and a plurality of light sources which are disposed on the substrate and are placed at another specific height (the second height) relative to the base. The first height is substantially equal to or higher than the second height.
    Type: Grant
    Filed: January 21, 2008
    Date of Patent: August 10, 2010
    Assignee: Au Optronics Corp.
    Inventors: Sheng Chieh Lung, Ming Chin Wen
  • Planar lighting device including light source/light guide sliding mechanism
    Patent number: 7771108
    Abstract: The planar lighting device includes a light guide plate including two symmetrical, inclined planes increasingly distanced from the light exit plane with the increasing distance from the light entrance planes toward the center, a curved portion joining the inclined planes, and scattering particles dispersed therein; light sources; a housing; a securing unit securing the light sources and light guide plate to keep their distance constant, and a sliding mechanism allowing the securing unit to slide. Distance between the light entrance planes, thicknesses at the light entrance planes and at the central curved portion, its radius of curvature and taper of the inclined planes are all held within respective given ranges as well as scattering particle diameter and density, light use efficiency and middle-high ratio of the brightness distribution.
    Type: Grant
    Filed: October 20, 2008
    Date of Patent: August 10, 2010
    Assignee: FUJIFILM Corporation
    Inventor: Osamu Iwasaki
  • Panel guide member and display device having the same
    Patent number: 7766535
    Abstract: Provided are a panel guide member and a display device having the same. The display device includes a receiving container, a light source, a display panel, a pane guide member, and a top case. The receiving container includes a bottom plate and sidewalls protruding from edges of the bottom plate. The light source is disposed in the receiving container to generate light. The display panel faces the bottom plate and displays an image using the light. The panel guide member includes a plurality of panel guide bodies dividing and supporting an NEDR around an EDR of the display panel on which an image is displayed, and warp preventing members connecting the panel guide bodies with each other and suppressing warping of the panel guide bodies caused by contraction/expansion of the panel guide bodies. The top case includes a first cover, and a second cover to couple to the sidewalls.
    Type: Grant
    Filed: December 20, 2007
    Date of Patent: August 3, 2010
    Assignee: LG. Display Co., Ltd.
    Inventor: Do Sung Kim
  • Liquid crystal display device that is adaptive for driving plurality of liquid crystal display panels by use of one backlight
    Patent number: 7768596
    Abstract: A liquid crystal display device according to an embodiment of the present invention includes at least two liquid crystal display panels; a lamp to irradiate light on each of the liquid crystal display panels; a transparent case to cover the lamp; and a hinge part to provide a hinge function to each of the liquid crystal display panels.
    Type: Grant
    Filed: April 21, 2005
    Date of Patent: August 3, 2010
    Assignee: LG Display Co., Ltd.
    Inventor: Tae Ho You
  • Backlight assembly, display apparatus having the same and method of assembling the same
    Patent number: 7762708
    Abstract: A backlight assembly, a display apparatus having the backlight assembly, and a method of assembling the backlight assembly are disclosed for embodiments. For example, a backlight assembly may include a receiving container which includes a first receiving member that receives a lamp and a portion of a light guide plate and a second receiving member that receives a remaining portion of the light guide plate. A reflection sheet is disposed between the light guide plate and the receiving container and elongated to cover the lamp. An adhesive is disposed between the reflection sheet and the receiving container and includes a heat-bondable material to adhere the reflection sheet to the receiving container when heat is applied thereto. Accordingly, the reflection sheet may be prevented from being wrinkled due to heat generated from the lamp, thereby enhancing assemblability of the backlight assembly.
    Type: Grant
    Filed: March 19, 2009
    Date of Patent: July 27, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jeoung-Gwen Lee, Sang-Ik Han
  • Backlight unit and liquid crystal display device having the same
    Patent number: 7760285
    Abstract: A backlight unit and a liquid crystal display device having the same are disclosed. The backlight unit includes a light source, a light guide plate guiding light emitted from the light source, an optical sheet arranged on the light guide plate, a mold frame receiving the light guide plate and the optical sheet, a printed circuit board (“PCB”) outlet in the mold frame, a printed circuit board (“PCB”) received in the PCB outlet, and a PCB adhesive sheet for adhering the PCB to the mold frame.
    Type: Grant
    Filed: August 28, 2007
    Date of Patent: July 20, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang Jun Park, Ik Soo Lee
  • Lamp support structure
    Patent number: 7758217
    Abstract: A lamp support structure is disclosed using in a backlight module. The lamp support structure comprises a base, extending downwards, and two arms. Each arm comprises an inner curved edge and an opposite outer curved edge, both extending upwards from the base to define a receiving space. Moreover, each arm comprises a top end to define an opening such that a lamp can fit into the receiving space through the opening. The lateral dimension of the opening is smaller than that of the lamp. Each arm comprises a first section, including an upper portion and a lower portion, wherein the lower portion extends upwards from the base and the lateral cross-section dimension of the first section tapers from the base toward the upper portion.
    Type: Grant
    Filed: February 4, 2008
    Date of Patent: July 20, 2010
    Assignee: Au Optronics Corp.
    Inventor: Jia-Lang Hsu
  • Lamp assembly for edge backlit liquid crystal display panel and method of manufacturing same
    Patent number: 7758233
    Abstract: A lamp assembly includes a lamp housing for housing one or more predefined tubular lamps and at least a first lamp socket for coupling to and removably retaining respective first electrodes of the one or more lamps and for further coupling an integral conduction path of the lamp housing to at least one of the first electrodes.
    Type: Grant
    Filed: August 9, 2007
    Date of Patent: July 20, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Woong-Jae Chang, Jung-Tae Kang, Joo-Yeon Won
  • Backlight assembly and display apparatus having the same
    Patent number: 7758231
    Abstract: A backlight assembly includes a receiving container, a light guide plate, a light source unit, an optical member and a panel-guiding member. The receiving container includes a bottom plate and a sidewall extended from an edge portion of the bottom plate. The light source unit includes a light source generating light and disposed at side face of the light guide plate, and a light reflecting cover that covers the light source to reflect the light generated from the light source toward the side face. The optical member is disposed over the light guide plate. The panel-guiding member has a first plate combined with the sidewall of the receiving container, and a second plate extended from the first plate such that the second plate covers a portion of the optical member and is spaced apart from an upper face of the optical member. Therefore, warpage and cleavage of the optical member are prevented.
    Type: Grant
    Filed: July 29, 2005
    Date of Patent: July 20, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang-Min Kang, Jeoung-Gwen Lee, Yong-Gwang Won, Tae-Hyung Kim
  • Liquid crystal display apparatus and lighting unit
    Patent number: 7748885
    Abstract: The present invention discloses a lighting unit comprising: a reflector panel; a plurality of substantially U-shaped cold cathode tubes held parallel relative to the reflector panel; an inverter substrate; cold cathode tube holders for holding the cold cathode tubes parallel relative to the reflector panel in such a manner that terminals of the cold cathode tubes are arranged in a row along one side of the reflector panel; a substrate holder for holding the inverter substrate to be vertically relative to the reflector panel in such a manner that a lower side of the inverter substrate reaches a positions where the terminals are arranged in a row; a plurality of notches upwardly cut deep from the lower side of the inverter substrate so as to receive the terminals; and solders provided for making electrical connections between the terminals and electrical supply patterns formed in the notches.
    Type: Grant
    Filed: January 7, 2008
    Date of Patent: July 6, 2010
    Assignee: Funai Electric Co., Ltd.
    Inventor: Hitoshi Miyamoto
  • Backlight module having two optical sheets
    Patent number: 7740394
    Abstract: A backlight includes a case, pluralities of light sources, pluralities of needles, pluralities of supporting portions, a first optical sheet, a second optical sheet, and pluralities of first microstructures. The light sources are disposed inside the case, the needles are disposed on the bottom surface of the case, and the supporting portions are disposed on the needles. The first optical sheet is supported on the top of the needles. The second optical sheet placed under the first optical sheet has pluralities of holes, and the needles penetrate the holes. The second optical sheet is supported on the supporting portions. The first microstructures are disposed on the first optical sheet or on the second optical sheet to provide a light condensing function.
    Type: Grant
    Filed: November 8, 2007
    Date of Patent: June 22, 2010
    Assignee: Entire Technology Co., Ltd.
    Inventors: Wen-Feng Cheng, Chao-Ying Lin, Chen-Sheng Lee
  • BACKLIGHT MODULE
    Publication number: 20100149836
    Abstract: A holder is disposed at a side of a back light module adjacent to a light incident side of a light guide plate (LGP). A light source module is fixed on a wall of the holder that faces the light incident side. A holder engager on a side wall of the LGP engages with an LGP retainer of the holder. When the LGP expands or contracts due to changes of temperature, the holder and the light source module move with the side of the LGP, thereby a gap between the light source module and the light incident side is maintained and the luminance of the backlight module is stabilized.
    Type: Application
    Filed: May 6, 2009
    Publication date: June 17, 2010
    Inventors: Yu-Min Hung, Chih-Lang Chiu, Yun-Hsien Chou, Tsai-Fen Lee
  • Liquid crystal display
    Patent number: 7736011
    Abstract: A liquid crystal display for minimizing a leakage current to prevent brightness deterioration is disclosed. The liquid crystal display includes a backlight unit including a plurality of lamps, a plurality of lamp wires connected to the plurality lamps, and a bottom cover in which the lamps are received, the bottom cover having a plurality of holes through which the lamp wires are passed, an inverter circuit board generating a power to drive the lamps and a plurality of sockets connected to output terminals of the inverter circuit board and connecting to the lamp wires, wherein at least one socket among the sockets is inclined at a side of the inverter circuit board.
    Type: Grant
    Filed: June 29, 2007
    Date of Patent: June 15, 2010
    Assignee: LG Display Co., Ltd.
    Inventors: Jea Sang Kim, Seung Wook Yoo