Holder Patents (Class 362/634)
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Patent number: 8398288Abstract: An LED display frame structure includes a light guide plate and a heat dissipation frame. The heat dissipation frame is mounted around the periphery of the light guide plate. At least one side of the light guide plate is provided with an LED strip and a 7-like heat dissipation plate. The back of the LED strip is provided with a two-sided adhesive strip to be attached to a groove of the 7-like heat dissipation plate. The 7-like heat dissipation plate has a cover plate next to the groove. The cover plate is attached to an adhesive strip of the light guide plate. The present invention can be assembled conveniently and quickly.Type: GrantFiled: April 3, 2012Date of Patent: March 19, 2013Assignee: Giantech Industries Co., Ltd.Inventor: Chih-Cheng Lin
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Patent number: 8388212Abstract: A display apparatus includes a display panel, at least one light emitting diode package, and at least one light guide plate. The light emitting diode package includes a frame extending in a first direction, a plurality of branches branched from the frame in a second direction, and at least two light emitting diode chips inserted between and coupled with two adjacent branches.Type: GrantFiled: January 19, 2011Date of Patent: March 5, 2013Assignee: Samsung Display Co., Ltd.Inventors: Seung Hwan Baek, Young-keun Lee, Dongmin Yeo, Eui Jeong Kang, Yong-Hoon Kwon
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Patent number: 8388211Abstract: A display apparatus includes a display panel and a light guide unit. The light guide unit includes a body portion and a support portion. The body portion includes a light outputting surface near the display panel, and the support portion is placed on the edge of the light outputting surface to support the display panel. The support portion has an inclined surface, and at least one groove is formed between the inclined surface and the display panel for accommodating glue that combines the display panel and the light guide unit. In addition to being disposed in the groove, glue may be further disposed in a gap between the display panel, a back bezel, and the light guide unit.Type: GrantFiled: February 23, 2010Date of Patent: March 5, 2013Assignee: AU Optronics CorporationInventors: Chih Wei Chen, Hsu Sheng Hsu, Jia Lang Hsu
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Patent number: 8388210Abstract: A glass or plastic wall structure with nested channel members is provided with electroluminescent strips running along the channel flanges to provide an internal illumination. In particular, it relates to illuminated transparent walls or internal partitions of a building or similar fixed construction.Type: GrantFiled: February 7, 2007Date of Patent: March 5, 2013Assignee: Westcrowns Contracting Services LimitedInventor: John Paterson
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Patent number: 8388176Abstract: A light source device and a display device in which wrinkle or warpage of sheet-shaped or film-shaped optical members is prevented or minimized. A light source device (2b) includes sheet-shaped or film-shaped optical members (26a, 26b, 26c) arranged to control properties of light that passes therethrough and a chassis (11b) to which the sheet-shaped or film-shaped optical members (26a, 26b, 26c) are attached, the chassis (11b) includes a plurality of fitting protrusions (hooks) (114a, 114b, 114c) that are vertically movable and are pushed upward by pushing mechanisms in a normal usage state, a plurality of fitting holes (261) each having a through hole shape are disposed adjacent to upper sides of the sheet-shaped or film-shaped optical members (26a, 26b, 26c) in the normal usage state, and the optical members (26a, 26b, 26c) are hung on the fitting protrusions (114a, 114b, 114c) of the chassis (11b) in the fitting holes (261).Type: GrantFiled: March 19, 2009Date of Patent: March 5, 2013Assignee: Sharp Kabushiki KaishaInventor: Nobuhiro Kasai
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Patent number: 8390993Abstract: A shelf of communication equipment provides frontal illumination of a face plate of the shelf. Specifically, a shelf in a rack in a communication network includes a face plate and a bezel. The face plate has a first exterior surface that carries a legend. The bezel forms a second exterior surface extending in a predetermined direction transverse to the first exterior surface. For example, if the first exterior surface is vertical, the second exterior surface is horizontal and overhangs the first exterior surface. During operation, electromagnetic radiation generated by a source enclosed by the bezel exits through the second exterior surface and directly illuminates at least the legend, and optionally also illuminates a electronic device adjacent to the legend, such as an LED or a jack, if such a device is present on the first exterior surface.Type: GrantFiled: September 14, 2008Date of Patent: March 5, 2013Assignee: Cyan, Inc.Inventors: Colin J. Wilson, Stephen J. West
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Patent number: 8388161Abstract: A fixing mechanism for a backlight module and a backlight module are provided in the present invention. The fixing mechanism comprises a plurality of retaining posts and a plurality of retaining sheets. The retaining posts are protruded from a back plate. The retaining sheet is engaged with an upper end of the retaining post for fixing an optical assembly. Moreover, the part of the fixing structure is made of elastic materials, so that it besides can steadily fix the optical film and make no clearance to be created, and also can prevent the optical film from escaping from orientation under the effect of hot-expansion and cold-shrinkage.Type: GrantFiled: April 28, 2011Date of Patent: March 5, 2013Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd.Inventor: Quan Li
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Patent number: 8382356Abstract: A backlight module includes a light guide plate having a light input surface, a light source adjacent to the light input surface of the light guide plate, and a frame unit receiving the light guide plate and the light source. The frame unit includes a back plate and a light reflective layer. The back plate defines a plurality of openings, and the light reflective layer covers the back plate and fills the openings. A method for manufacturing the backlight module is also provided.Type: GrantFiled: November 25, 2009Date of Patent: February 26, 2013Assignee: Chimei Innolux CorporationInventors: Wen-Tao Li, Sin-Tung Huang
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Patent number: 8382306Abstract: A lighting device for a display device includes a plurality of linear light sources and a light source holding member arranged to hold the linear light sources. The light source holding member includes a first member and a second member. A sliding mechanism is provided between the first member and the second member, so as to allow parallel displacement of the first member and the second member relative to each other. The first member includes a first light source holder arranged to directly hold a first linear light source of the plurality of linear light sources. The second member includes a second light source holder arranged to directly hold a second linear light source other than the first linear light source.Type: GrantFiled: March 24, 2008Date of Patent: February 26, 2013Assignee: Sharp Kabushiki KaishaInventor: Shiyoshi Cho
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Patent number: 8382336Abstract: A lighting apparatus includes a body having a bottom surface and a side surface, a poly-pyramid shaped reflector being placed on the bottom surface of the body and including at least three reflective surfaces, and a light source being placed on the side surface of the body, including at least one light emitting device and being placed in an area corresponding to at least one of the reflective surfaces of the reflector.Type: GrantFiled: August 9, 2011Date of Patent: February 26, 2013Assignee: LG Innotek Co., Ltd.Inventors: Young Kuk Kwak, Sang Jun Hong, Ji Hoo Kim
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Publication number: 20130044516Abstract: The present invention provides a light-guide-plate (LGP) positioning sheet, which comprises: a fixing portion used to fix the LGP positioning sheet onto a fixing frame of a backlight module, a positioning portion used to abut against and position a light guide plate, and a connecting portion used to connect the fixing portion and the positioning portion. The present invention is further related to a backlight module. According to the LGP positioning sheet and the backlight module of the present invention, the LGP positioning sheet can efficiently ensure the complete alignment between a light emitting diode (LED) light source and a light input side surface of the light guide plate, so as to increase the light utilization rate of the light guide plate.Type: ApplicationFiled: August 19, 2011Publication date: February 21, 2013Applicant: SHENZHEN CHINA STAR OPOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Gang Yu
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Patent number: 8376605Abstract: A lamp holding apparatus 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 abut 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, the abutting portions abut the base, and the mounting plate is elastically deformed to be warped, whereby the locking surface of the locking portion is kept locked to a peripheral edge of a back side of the mounting hole by its elastic force.Type: GrantFiled: October 3, 2011Date of Patent: February 19, 2013Assignee: Sharp Kabushiki KaishaInventors: Hiroki Azuma, Tatsuya Kudari, Yoshiki Takata
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Patent number: 8379275Abstract: A scanner module and an image scanning apparatus includes an illuminator that includes a light source, a light guide extending in a main scanning direction to change a direction of the light from the light source, a guide holder recessed with a light guide mounting portion in which the light guide is mounted, and at least one supporting protrusion protruding from an entrance of the light guide mounting portion into the light guide mounting portion to support the light guide received in the light guide mounting portion. As the light guide is supported by the supporting protrusion formed at the entrance of the light guide mounting portion, it is possible to reduce deformation of the light guide and/or to prevent the light guide from being falling out of the light guide mounting portion when subjected to, e.g., a shock.Type: GrantFiled: July 31, 2008Date of Patent: February 19, 2013Assignee: Samsung Electronics Co., Ltd.Inventors: Gyung Mo Tahk, Hyun Surk Kim, Kyung Rok Kim, Dong Hun Lee
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Patent number: 8379164Abstract: The invention provides a casing structure for an electronic apparatus that achieves a thin size and light weight. The casing structure is capable of accommodating a display module, and comprises a sidewall and a bottom surface in which a conductive resin region and a nonconductive resin region are butt joined in a curved line. The casing structure of the electronic apparatus does not become thick due to the butt joining even when the joint portions are in a projection area of the display module. Furthermore, on the display side of the casing structure, there is no need to have special frame members for securing strength in addition to the display casing. The display casing accommodates and protects the display module from an external pressing force and also has a design function that the outer surface of the casing resembles that of an outer surface of a conventional notebook PC.Type: GrantFiled: January 9, 2009Date of Patent: February 19, 2013Assignee: Lenovo (Singapore) Pte. LtdInventors: Gang Ji, Tetsuya Ohtani, Takayuki Morino, Akinori Uchino
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Patent number: 8371739Abstract: A backlight unit includes a light source, a light guide guiding light from the light source, an optical sheet disposed on the light guide, and an inner frame having an opening housing the optical sheet. A peripheral portion of the optical sheet includes a projection group respectively at each of the longitudinal sides that are among the constituent sides of an approximately rectangular external contour of the optical sheet. The projection group includes a first projection arranged in a projection insertion region provided in a side wall of the inner frame and a second projection arranged outside of the projection insertion region in the opening of the inner frame.Type: GrantFiled: March 28, 2008Date of Patent: February 12, 2013Assignee: Nichia CorporationInventors: Ryosuke Wakaki, Akira Asano
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Patent number: 8368834Abstract: The present invention discloses a display device comprising a bezel, a cell, at least one film, a light bar and a composite backlight module. The composite backlight module comprises a plurality of connecting structures coupled with the bezel for fixing and protecting the cell, a containing space for containing the cell and the film, and a light guide portion for guiding light emitted by the light bar to a light exit surface of the composite backlight module. The composite backlight module is made of a same material by injection molding.Type: GrantFiled: June 23, 2009Date of Patent: February 5, 2013Assignee: Hannstar Display Corp.Inventors: Wei-Jung Chan, Chia-Feng Teng
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Patent number: 8366310Abstract: An optical member is disposed between an optical sheet and a pair of middle chassis and top chassis that securely support an edge of an liquid crystal panel and an edge of the optical sheet. The optical member reflects light emitted from light-emitting diodes at high reflectivity so that an amount of light loss through the edge of the optical sheet is reduced. This allows for higher light utilization efficiency, thereby enhancing the brightness.Type: GrantFiled: June 11, 2008Date of Patent: February 5, 2013Assignee: Sony CorporationInventor: Masami Okita
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Patent number: 8356925Abstract: An LED lamp includes a frame, a bracket connected to the frame, two LED modules and driving modules received between the frame and the bracket, and a backplate, a reflective plate, a light guide, a diffusion plate and a cover sequentially sandwiched between the frame and the bracket. The LED modules are oriented towards two opposite lateral sides of the light guide. The light guide has a large amount of scattering dots formed on a back face thereof. The scattering dots are arranged in multiple columns. The sizes of the dots in each column are identical to each other, and the sizes of the dots in different columns gradually increase from two opposite sides towards a middle of the light guide.Type: GrantFiled: April 29, 2010Date of Patent: January 22, 2013Assignees: Fu Zhun Precision Industry (Shen Zhen) Co., Ltd., Foxconn Technology Co., Ltd.Inventors: Jia-Chuan Lv, Chin-Chung Chen, Ci-Jin Mo
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Patent number: 8345180Abstract: An exemplary liquid crystal display device includes a backlight module, a metallic bracket and a liquid crystal panel. The backlight module includes a back bezel, a planar lighting source mounted on the back bezel and a frame. The frame includes a metallic beam and three plastic beams. The metallic beam and the plastic beams enclose the back bezel. The metallic beam is located at a top of the liquid crystal display device. The metallic bracket supports the backlight module and thermally connects with the metallic beam of the frame of the backlight module. The liquid crystal panel is located at a surface of emission of the planar lighting source.Type: GrantFiled: March 1, 2010Date of Patent: January 1, 2013Assignee: Advanced Optoelectronic Technology, Inc.Inventors: Kuan-Her Chiu, Irene Chen
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Patent number: 8337070Abstract: A backlight module comprises a light source circuit board having a plurality of light emitters disposed thereon; a securing component for supporting the light source circuit board rigidly, the securing component comprising a holding portion and an adhesive layer, the adhesive layer being utilized for assembling the light source circuit board and the securing component together to form an assembly; and a casing having a receiving slot, the assembly of the light source circuit board and the securing component being detachably disposed in the receiving slot, the holding portion being utilized for a user to grip when moving the securing component, and the holding portion having a locating hole for being fastened in the casing. The backlight module is capable of reducing the risk of scratching optical films and invasion by foreign objects in a replacement process of the light source circuit board, thereby increasing the lifespan of displays.Type: GrantFiled: November 20, 2010Date of Patent: December 25, 2012Assignee: Chungwha Picture Tubes, Ltd.Inventors: Chen-sing Huang, Po-fu Kuo, Cheng-sheng Chiang
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Patent number: 8337069Abstract: A lightbar device includes a plastic frame, a back plate, a lightbar, and at least one fixing pad. At least one positioning hole is formed on the back plate. The lightbar is slidably disposed between the back plate and the plastic frame. The fixing pad includes a base, a side board, and a first clamping portion. A recession is formed at the base. The recession is used for engaging with the positioning hole so as to fix the fixing pad onto the back plate. The side board is formed at a side of the base. The first clamping portion is formed at a position of the base opposite to the side board. The first clamping portion is used for clamping a first side of the lightbar cooperatively with the side board.Type: GrantFiled: January 4, 2011Date of Patent: December 25, 2012Assignee: Chunghwa Picture Tubes, Ltd.Inventors: Chin-Hsing Cho, Tsao-Yuan Fu
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Patent number: 8334947Abstract: Provided are a backlight assembly and a display device having the same. The backlight assembly comprises an elongated first high voltage lamp extending in a first direction and having respective first and second ends. A second similar lamp is provided so as to be separated at its ends from the corresponding first and second ends of the first lamp by a first gap distance (d1) and to extend substantially, but not fully parallel to the first lamp. An intermediated gap fixing part is provided for fixing at an intermediate position along the lengths of the first and second lamps a second separation gap distance (d2) that is smaller than the first gap distance.Type: GrantFiled: May 10, 2010Date of Patent: December 18, 2012Assignee: Samsung Display Co., Ltd.Inventors: Yong-Eun Park, Jin-Soo Shin, Ki-Yong Park, Jin-Yong Park, Jin-Ho Park
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Patent number: 8333498Abstract: A back bezel assembly is provided. The back bezel assembly includes a frame and a metal shielding board. The frame is formed with at least one hollow portion. By forming at least one hollow portion, the frame is not formed with at least one first portion with the same material of the frame, wherein the at least one first portion has a first weight. The metal shielding board has a second weight, which is less than the first weight. The metal shielding board is fixed to the frame and covers at least one portion of the at least one hollow portion correspondingly. With the configuration of the back bezel assembly, the display adopting the back bezel assembly is lightweight and provided with the shielding effect of EMI (Electromagnetic Interference).Type: GrantFiled: August 18, 2009Date of Patent: December 18, 2012Assignee: AU Optronics Corp.Inventors: Ching-Fu Tien, Yen-Lin Lee, Shih-Che Fu, Chao-Chih Wei
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Patent number: 8328404Abstract: A display device including: a display panel displaying an image; a light source unit supplying light to the display panel; a light guide including: an incidence plane facing the light source unit; an emission plane facing the display panel; and a light guide protrusion protruding in a direction perpendicular to a side of the light guide at an edge of the light guide; a reflection sheet arranged opposite to the surface of the emission plane of the light guide, and including a reflection protrusion protruding in a direction perpendicular to a side of the reflection sheet at an edge of the reflection sheet; and a supporting frame supporting an edge of the display panel, the light guide, and the reflection sheet, the supporting frame including: a light guide protrusion receiving groove receiving the light guide protrusion; and a reflection protrusion receiving groove receiving the reflection protrusion.Type: GrantFiled: November 30, 2010Date of Patent: December 11, 2012Assignee: Samsung Display Co., Ltd.Inventors: Joo-Young Lee, Ji-Hwan Jang
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Patent number: 8328408Abstract: The present invention provides a lamp positioning device and a backlight module using the lamp positioning device for holding lamps. The lamp positioning device includes an upper arm and a lower arm, wherein a holding space is formed between the upper arm and the lower arm for accommodating the lamp. Furthermore, at least one of the upper arm and the lower arm has elasticity and thus can provide the lamp with resistance against shock in order to avoid being cracked or shattered.Type: GrantFiled: October 21, 2009Date of Patent: December 11, 2012Assignee: Au Optronics CorporationInventor: Ben-Hon Chen
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Patent number: 8319912Abstract: A display apparatus includes a plurality of first brackets adhered to the rear panel. A first bracket has a recess on a first surface where an adhesive is applied, and a first protrusion extending from a second surface and a second protrusion extending from the first protrusion. A connection bracket has a side wall and a plurality of first tab portions. The tab portion is provided into an opening of the first protrusion. A second bracket is provided adjacent to the plurality of the first brackets and attached to the connection bracket. A frame is mounted to the at least one second bracket. A light source is provided between the frame and the second bracket.Type: GrantFiled: October 28, 2011Date of Patent: November 27, 2012Assignee: LG Electronics Inc.Inventors: Jonghyun Byeon, Sunghwan Kim, Yunjoo Kim, Cheolsoo Kim, Sangdon Park, Moungyoub Lee, Hyoungsuck Oh, Deogjin Lee
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Publication number: 20120281153Abstract: A lighting device that achieves a small housing member and an appropriate positioning of an optical member is provided. The lighting device includes an LED board 40, a light guide plate 31 including an end surface 33 facing the LED board 40, an optical sheet 50 covering a light exit surface 31a of the guide plate 31, a positioning member P positioning the optical sheet 50 such that the optical sheet 50 is positioned with respect to the guide plate 31 in a planer direction, and a chassis 60. The positioning member P includes a positioning hole 55 formed in the optical sheet 50 and a positioning pin 35 provided on the guide plate 31 and configured to be fitted through the hole 55. The pin 35 is passed and fitted through the hole 55 and thus the optical sheet 50 is positioned with respect to the guide plate 31. The pin 35 is formed on the guide plate 31 and the chassis 60 as a housing member is not increased in size.Type: ApplicationFiled: January 11, 2011Publication date: November 8, 2012Applicant: SHARP KABUSHIKI KAISHAInventor: Yasumori Kuromizu
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Patent number: 8305521Abstract: A liquid crystal module is provided. A rear frame is provided with a pair of side plates which are formed along a pair of long opposite sides of the rear frame. A light diffuser plate is comprised of synthetic resin and provided with a pair of frame portions which are formed integrally with the light diffuser plate, disposed along a pair of long opposite sides of the light diffuser plate and respectively attached to the side plates of the rear frame. A pair of cushion members are disposed along and inside the frame portions of the light diffuser plate. A liquid crystal panel has an upper edge portion and lower edge portion which are supported by the cushion members. The light diffuser plate is provided with a pair of slope portions which are formed integrally with the light diffuser plate and disposed along and inside the cushion members. The height of each slope portion increases toward an adjacent cushion member for concealing the cushion members.Type: GrantFiled: June 2, 2010Date of Patent: November 6, 2012Assignee: Funai Electric Co., Ltd.Inventor: Tomohisa Tajiri
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Patent number: 8297823Abstract: A backlight assembly includes a plurality of point light sources, a light guide plate (“LGP”) and a printed circuit board (“PCB”). The LGP has a light incident face in which light is incident, a side surface extending from an edge portion of the light incident face, and a fixing groove which is formed from the side surface toward an inner portion thereof. The PCB includes a point light source disposing portion in which the point light sources are disposed along a first direction, an extending portion extending from the point light disposing portion along a second direction substantially perpendicular to the first direction, and a protrusion which is fixed at an end portion of the extending portion. The protrusion of the PCB is coupled with the fixing groove of the LGP.Type: GrantFiled: May 20, 2010Date of Patent: October 30, 2012Assignee: Samsung Display Co., Ltd.Inventors: Joo-Woan Cho, Sung-Kyu Shim, Sang-Hoon Lee, Joo-Young Kim, Taek-Sun Shin, Jin-Hee Park, Kwang-Wook Choi
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Patent number: 8292489Abstract: A back plate assembly utilized in a side light type backlight module includes two cases each including a main plate, a side plate extending upwardly extending from an end of the main plate and a pressing plate inwardly extending from a free end of the side plate. An opposite end of the main plate of one of the cases has a first stepped portion extending inwardly from a top portion thereof, and an opposite end of the main plate of the other one of the cases has a second stepped portion extending inwardly from a bottom portion thereof. A plurality of bolts extend through the second and first stepped portions and secure the cases together. A space is defined between the first and second cases for receiving a light guiding plate and a reflection plate between the main plates and the light guiding plate.Type: GrantFiled: March 19, 2010Date of Patent: October 23, 2012Assignee: Advanced Optoelectronic Technology, Inc.Inventors: Kuan-Her Chiu, Irene Chen
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Patent number: 8284342Abstract: A liquid crystal display device includes a liquid crystal display panel, a plurality of light sources for irradiating onto the liquid crystal display panel, at least two electrode boards at ends of each of the light sources for electrically connecting the light sources, an inverter board aligned parallel to the light sources for providing drive signals to the light sources through the electrode boards, and a first cover for accommodating the liquid crystal display panel, the light sources and the electrode boards on a first side thereof and for accommodating the inverter board on a second side thereof such that the inverter board is substantially on a same plane as a main portion of the cover.Type: GrantFiled: December 30, 2008Date of Patent: October 9, 2012Assignee: LG Display Co., Ltd.Inventors: Seungman Gu, Jaewoo Jo
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Patent number: 8282262Abstract: A light source receiver 31 is disposed adjacent to an incident end face 11 of a light guiding plate 1 using the light source holder 31 for receiving the LED unit 4 and a light source holder 3 formed in an L-shape in a cross section having a standing plate 34 at one end of the light source holder 31, the standing plate 34 is disposed outside of a reflective plate 2 laminated on the light guiding plate 1, and a bolt 81 via a long hole 35 of the standing plate 34 is screwed into an insert-nut 8 of the light guiding plate 1 via a clearance hole 21 of the reflective plate 2, thereby the standing plate 34 follows the heat expansion or contraction of the light guiding plate 1 except the reflective plate 2. A relative position between the incident end face 11 of the light guiding plate 1 and the light source receiver 31 of the light source holder 3 is always constant, and the LED unit 4 is prevented from being damaged.Type: GrantFiled: September 30, 2010Date of Patent: October 9, 2012Assignee: Meitaku Industry Co., Ltd.Inventor: Hirokazu Matsui
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Publication number: 20120236601Abstract: There is provided an electronic device which includes a case configured to include a light emitting portion, a light source configured to emit light in the case, a light guide member configured to include a light guide plate for guiding the light from the light source to the light emitting portion and to include a holder for fixing the light guide plate, and a substrate configured to fix the light guide member. The holder has a light blocking property. The light guided with the light guide plate is emitted outside the electronic device through the light emitting portion.Type: ApplicationFiled: March 13, 2012Publication date: September 20, 2012Applicant: FUJITSU LIMITEDInventor: Koji NAKAKUBO
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Patent number: 8267565Abstract: An LED illumination module for generating uniform stripped light source includes a stripped light-guiding unit, a stripped reflective unit and a light-emitting unit. The stripped light-guiding unit has a light-guiding body and a plurality of first light-guiding microstructures disposed on a top side of the light-guiding body. Each first light-guiding microstructure has a first reflective index. The stripped reflective unit has a reflective body corresponding to the light-guiding body and a reflective layer formed on an inner surface of the reflective body. The stripped reflective unit covers one part of the light-guiding body, the first light-guiding microstructures are disposed between the light-guiding body and the reflective layer, and the reflective layer has a second reflective index that is different from the first reflective index. The light-emitting unit has a first light-emitting module disposed beside one end of the light-guiding body.Type: GrantFiled: October 1, 2009Date of Patent: September 18, 2012Inventor: Wen-Shin Pan
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Patent number: 8267567Abstract: A bezel assembly, which is applied to a backlight module, includes a first bezel and a second bezel. The first bezel has a first side wall and a second side wall. A first hole structure is formed on a corner between the first and second side walls. The second bezel has a third side wall. A second hole structure and a third hole structure are formed on opposite sides of the third side wall. When the first bezel is disposed in the second bezel, the third side wall can completely cover the first hole structure of the first bezel from the outside of the first bezel, and the second and third hole structures are close to the first hole structure.Type: GrantFiled: January 14, 2010Date of Patent: September 18, 2012Assignee: AU Optronics Corp.Inventors: Ching-Hung Cheng, Hsin-Chang Chiang
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Patent number: 8267566Abstract: A planar lighting device comprises: a light guide plate including a concave rectangular light exit plane, two light entrance planes containing two opposite sides of the light exit plane and disposed opposite each other, two symmetrical inclined planes opposing to the light exit plane such that their distance from the light exit plane increases with the increasing distance from the two light entrance planes toward the center of the light exit plane, a curved portion connecting the two inclined planes; two light sources respectively disposed opposite the two light entrance planes for emitting light to enter the light into the light guide plate through the light entrance planes; and sliding mechanisms allowing the light sources to slide in a direction parallel to the light entrance planes of the light guide plate to absorb the expansion and contraction of the light sources along the length thereof.Type: GrantFiled: September 28, 2009Date of Patent: September 18, 2012Assignee: FUJIFILM CorporationInventor: Osamu Iwasaki
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Patent number: 8269920Abstract: A backlight unit is disclosed. The backlight unit includes a light emitting device, a light guide plate to guide light irradiated from the light emitting device, an optical sheet disposed on a front surface of the light guide plate, a bottom chassis disposed below the light guide plate, a mold frame disposed on a front surface of the optical sheet, and an anti-contact protrusion disposed at the bottom chassis so as to come into contact with the mold frame, thereby allowing the mold frame to be spaced apart from the light guide plate and the front surface of the optical sheet.Type: GrantFiled: May 20, 2011Date of Patent: September 18, 2012Assignee: LG Innotek Co., Ltd.Inventors: Jung Ho Lee, Bang Gun Kim
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Patent number: 8267568Abstract: A display device includes a light source assembly, a light guide plate (LGP), a lower receiving container, a reinforcing member, a display panel and an upper receiving container. The lower receiving container includes a first coupling portion formed on the first bottom surface. The reinforcing member includes a pressing down part structured to pressing down on an upper surface adjacent to a corner portion of the LGP and a fixing part integrally extending from an end portion of the pressing down part in parallel with a first sidewall of the lower receiving container to have a second coupling portion being coupled with the first coupling portion. The reinforcing member covers the light source assembly. The display panel is disposed on the LGP and the reinforcing member. The upper receiving container includes a third coupling portion coupled to the first coupling portion and the second coupling portion through a coupling member.Type: GrantFiled: January 19, 2010Date of Patent: September 18, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Joo-Woan Cho, Yong-Woo Lee, Se-Ki Park
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Patent number: 8264633Abstract: A backlight unit and a liquid crystal display using the same are provided. The backlight unit includes a plurality of lamps, each including first and second electrodes, first and second substrates, a bottom case for receiving the substrates and lamps, first and second inverter units, and first and second wires. First and second common electrode patterns are formed on the first and second substrates and are commonly connected to the first and second electrodes, respectively. The first and second inverter units are disposed on a rear surface of the bottom case at positions corresponding to the first and second substrates, respectively. The first wire connects the first common electrode pattern and the first inverter unit via holes in the first substrate and the bottom case. The second wire connects the second common electrode pattern and the second inverter unit via holes in the second substrate and the bottom case.Type: GrantFiled: June 4, 2008Date of Patent: September 11, 2012Assignee: LG Display Co., Ltd.Inventors: Dong Nyuck Park, Shim Keun Youk
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Patent number: 8262276Abstract: A chassis assembly comprises a chassis 14 and lamp clips 18. The chassis 14 has mounting holes 33 to 35. Each lamp clip 18 includes a main body 27 to be mounted to the chassis 14, a lamp gripping portions 28 provided on the main body 27 so as to grip cold cathode tubes 17, and mounting portions 30 to 32 protruding from the main body 27 toward the chassis 14 side. The mounting portions 30 to 32 are to be inserted in the respective mounting holes 33 to 25. Rims of the mounting holes 33 to 35 are sandwiched between the main body 27 and the respective mounting portions 30 to 32. Three mounting portions 30 to 32 and three mounting holes 33 to 35 are provided in relative positions so as to restrict mounting of the lamp clip 18 to the chassis 14 in an orientation other than a predefined orientation.Type: GrantFiled: August 10, 2010Date of Patent: September 11, 2012Assignee: Sharp Kabushiki KaishaInventor: Yoshiki Takata
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Patent number: 8253598Abstract: A light-emitting keyboard is disclosed, which comprises: a light guide plate, configured with a light entrance surface, a light emitting surface, a bottom surface and a side surface in a manner that the light emitting surface is arranged opposite to the bottom surface, and the light entrance surface and the side surface are arranged respectively next and connecting to the light emitting surfaced and the bottom surface while being sandwiched therebetween; a light source, disposed next to the light entrance surface of the light guide plate; a frame, disposed on the light emitting surface of the light guide plate; a first reflector, disposed on the bottom surface of the light guide plate; and a second reflector, disposed on the side surface of the light guide plate. With the aforesaid structure, light from the light source can be fully utilized so that the overall brightness of the light-emitting keyboard can be enhanced.Type: GrantFiled: January 4, 2010Date of Patent: August 28, 2012Assignee: Darfon Electronics Corp.Inventor: Shin-Cheng Ho
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Patent number: 8253875Abstract: A backlight assembly and a liquid crystal device having the same. The backlight assembly includes a light guide plate, a first mold frame integrally formed with the light guide plate, a light source unit disposed on at least one side of the light guide plate and comprising a light source spaced apart from the at least one side of the light guide plate and a light reflector surrounding the light source and connected to the light guide plate, a light reflector surrounding the light source and connected to the light guide plate, and a second mold frame connected to the first mold frame and disposed on the light reflector.Type: GrantFiled: May 23, 2008Date of Patent: August 28, 2012Assignee: Samsung Electronics Co., Ltd.Inventor: Tae Seok Kim
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Patent number: 8251531Abstract: A lamp clip LC supporting a diffusion sheet 46 includes a support pin SP that is in contact with and thereby supports the diffusion sheet 46 and in at least a part of the support pin SP, a helical elastic member is included.Type: GrantFiled: June 2, 2008Date of Patent: August 28, 2012Assignee: Sharp Kabushiki KaishaInventor: Tamotsu Satoh
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Patent number: 8248265Abstract: Display buttons and vehicle consoles include etched lenses operable to diffract light provided by a light source within a vehicle console such that the light emitted from the display button diverges from the first pathway within the button housing into a secondary pathway outside of the display button.Type: GrantFiled: September 17, 2009Date of Patent: August 21, 2012Assignee: Toyota Motor Engineering & Manufacturing North America, Inc.Inventor: Earnee Yasha Jones
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Patent number: 8226258Abstract: A surface light source device includes: a light source; a diffusion member that diffuses light; and reflection means provided on a side opposite to the diffusion member with the light source interposed therebetween for reflecting light emitted from the light source toward the diffusion member, wherein the reflection means is formed by layering a plurality of optical components and the plurality of optical components are stopped by each other with stopper means.Type: GrantFiled: October 22, 2009Date of Patent: July 24, 2012Assignee: Sony CorporationInventor: Atsushi Ito
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Patent number: 8228457Abstract: A liquid crystal display device includes a liquid crystal display panel and a backlight including a light source for irradiating the liquid crystal display panel, in which the backlight includes at least a plurality of linear fluorescent lamps arranged in parallel in a plane facing the liquid crystal display panel, fluorescent lamp supporting bases supporting the linear fluorescent lamps, and a frame to which the fluorescent lamp supporting bases are fixed, the fluorescent lamp supporting bases each include a fluorescent lamp supporting member directly supporting the linear fluorescent lamp and a fixing portion fixed to the frame, and a recess is formed in the frame at a portion just behind the fluorescent lamp supporting member.Type: GrantFiled: July 17, 2009Date of Patent: July 24, 2012Assignee: Panasonic Liquid Crystal Display Co., Ltd.Inventors: Takeki Sato, Masaki Tsubokura
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Patent number: 8220942Abstract: In a chassis 13, a cold cathode tube 15 is housed, a planar optical member 16 is provided in an opening portion, and a support component 20 that can support the optical member 16 is mounted. The support component 20 includes a linear support portion 24 linearly extending in parallel with a plane direction of the optical member 16. The linear support portion 24 is curved to become progressively lower from end sides toward a middle side of the optical member 16. The optical member 16 can be warped and deformed by a gap ensured between the optical member 16 and the linear support portion 24. When the optical member 16 is warped and deformed, the linear support portion 24 supports the optical member 16 in a height position corresponding to the warped shape.Type: GrantFiled: December 10, 2007Date of Patent: July 17, 2012Assignee: Sharp Kabushiki KaishaInventor: Yasumori Kuromizu
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Patent number: 8220980Abstract: An assembly for light-emitting devices has a base, at least one light-emitting device, and a cover. The at least one light-emitting device is positioned in recess on the base and is received in a light-emitting device receiving opening on the cover. Latches are provided on the cover and extend into cover mounting openings of the base to latch the cover to the base. The base has a first contact strip and a second contact strip. The first contact strip and the second contact strip have contact ends which extend beyond first and second ends of the base. The contact ends of one assembly may engage the contact ends of a second assembly to provide the assemblies in electrical engagement.Type: GrantFiled: September 23, 2008Date of Patent: July 17, 2012Assignee: Tyco Electronics CorporationInventor: Charles Raymond Gingrich, III
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Patent number: 8215819Abstract: A clip provided by the present invention includes an insert portion that is inserted into an insertion hole formed in a flat-shaped chassis and that engages with the chassis, and a collar portion that is formed in a flat shape around the circumference of the insert portion. When the insert portion is inserted into the insertion hole, the collar portion and the chassis clamp at least one light emitting board that is positioned in contact with the chassis, and the thickness of the collar portion is set to be equal to or less than an amount of protrusion of a light emitting portion formed protrudingly from the light emitting board.Type: GrantFiled: June 12, 2009Date of Patent: July 10, 2012Assignee: Sony CorporationInventors: Shuuji Moro, Yuichi Suzuki, Hiroshi Takatsuka, Eiji Ide, Hirokazu Shibata
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Patent number: RE43992Abstract: A lamp holding apparatus for mounting a lamp to a lamp mounting member includes a mounting plate provided with a locking portion which protrudes to a base side, inserted into a mounting hole provided at the base and is lockable to a peripheral edge of a back side thereof. The mounting plate is provided with a pin which protrudes to an opposite side from the base side and is capable of being gripped by an operator at a time of being attached to and detached from the base. The locking portion is disposed at a position corresponding to a back side of the pin. As a result, when the locking portion is inserted into the mounting hole while gripping the pin, both the locking portion and the mounting hole are easily positioned. Thus, at a time of insertion, bending forces are reduced.Type: GrantFiled: December 7, 2010Date of Patent: February 12, 2013Assignee: Sharp Kabushiki KaishaInventors: Yoshiki Takata, Hiroki Azuma, Tatsuya Kudari