Plural Patents (Class 362/613)
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Patent number: 10253948Abstract: Lighting system including: two edge-lit lightguide panels; three visible-light sources; and total internal reflection lens or bowl reflector. Each edge-lit lightguide panel is extended along longitudinal axis, has pair of mutually-opposing panel surfaces, and has peripheral edge extended along and spaced transversely away from longitudinal axis. Panel surfaces include first and second light output interfaces. Two visible-light sources located along panel peripheral edges for directing light into panels. Lens or reflector has reflective side surface and central axis transverse to longitudinal axis for directing light to third light output interface located between the others. Output interfaces cooperatively define emission aperture forming shielding zone for redirecting combined light emissions.Type: GrantFiled: March 27, 2018Date of Patent: April 9, 2019Assignee: ECOSENSE LIGHTING, INC.Inventor: Paul Pickard
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Patent number: 10242647Abstract: A data segmenter is configured to determine indices using numbers of most significant bits (MSBs) of fractional values of floating-point representations of component values of an input color that are selected based on exponent values of the floating-point representations. The component values are defined according to a source gamut. The data segmenter is also configured to determine offsets associated with the indices using subsets of the fractional values. An interpolator configured to map the input color to an output color defined according to a destination gamut based on a location in a three-dimensional (3-D) look up table (LUT) indicated by the indices and offsets.Type: GrantFiled: February 24, 2017Date of Patent: March 26, 2019Assignee: ATI Technologies ULCInventor: Yuxin Chen
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Patent number: 10203535Abstract: The present disclosure discloses a mosaic screen. The mosaic screen comprises a box body, a backlight module and a plurality of display modules spliced with each other. The box body comprises four side walls and one box bottom. The plurality of display modules and the box bottom are oppositely fixed on the box body. The backlight module comprises a plurality of lamp panels arranged on the four side walls. Each of the lamp panels comprises: a baseplate, a light source fixing plate, and a light source fixed on the light source fixing plate. The light source fixing plate is connected with a first side of the baseplate close to the display modules, and forms an included angle with the baseplate.Type: GrantFiled: March 10, 2016Date of Patent: February 12, 2019Assignee: Boe Technology Group Co., Ltd.Inventors: Yang Fan, She Lin, Xin Wang
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Patent number: 10197834Abstract: The present disclosure provides a curved-surface backlight source and a display device comprising the curved-surface backlight source. The curved-surface backlight source comprises: a frame, an optical film and a plurality of light source assemblies; the light source assemblies are disposed on the frame, the optical film is disposed on light emergent sides of the light source assemblies, and the light source assemblies and the optical film are in a curved shape.Type: GrantFiled: May 23, 2016Date of Patent: February 5, 2019Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Qing Liu, Zhongbao Wu, Zezhou Yang
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Patent number: 10180229Abstract: Provided is a lighting unit for a vehicle capable of implementing surface light emission from a single light emitting surface. The light unit can function to implement a light emitting region in which at least two light colors are displayed or different light colors are implemented, or to locally emitting light.Type: GrantFiled: December 17, 2013Date of Patent: January 15, 2019Assignee: LG INNOTEK CO., LTD.Inventors: Kyoung Soo Ahn, Jeong Oh Lee
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Patent number: 10172236Abstract: The embodiment of the present invention discloses a narrow frame display panel, comprising: an integrated circuit input pad, being located on a lower side of the display panel and comprising a plurality of input terminals; a flexible printed circuit bonding pad, being located on a lower edge of the display panel and below the integrated circuit input pad, and the flexible printed circuit bonding pad comprising a plurality of bonding terminals, and bonding terminals of at least one end of the flexible printed circuit bonding pad are first bonding terminals, wherein each of the first bonding terminals comprising at least one three-side bracketing structure extending outward in a horizontal direction; wires, electrically connecting the integrated circuit input pad with the flexible printed circuit bonding pad. The embodiment of the present invention further discloses a display. By utilizing the present invention, being advantageous for narrow frame design is achieved.Type: GrantFiled: May 9, 2017Date of Patent: January 1, 2019Assignee: Wuhan China Star Optoelectronics Technology Co., LtdInventor: Qingcheng Zuo
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Patent number: 10168039Abstract: A badge is provided herein. The badge includes a viewable portion having indicia thereon. A plurality of first LED sources is configured to emit light toward the viewable portion. A light guide extends between the viewable portion and the first LED sources. A plurality of second LED sources is configured to emit light toward the viewable portion. The first LED sources illuminate a first region of the viewable portion and the second LED sources illuminate a second region of the viewable portion.Type: GrantFiled: October 6, 2015Date of Patent: January 1, 2019Assignee: Ford Global Technologies, LLCInventors: Paul Kenneth Dellock, Stuart C. Salter, Joseph Myszka, Mandeep Singh Sidhu, Daniel Zilinskas
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Patent number: 10168466Abstract: A corner cut liquid crystal display (LCD) device including a LCD panel and a backlight. The LCD panel includes adjacent panel portions of different width that collectively define a corner cut profile shape for the LCD panel. The backlight includes a light guide and light sources that emit light into the light guide. The backlight directs the light from the light sources toward the LCD panel. The light guide includes adjacent light guide portions of different width that define the corner cut profile shape. Each light guide portion illuminates a corresponding LCD panel portion. The LCD device can be incorporated into a head-mounted display (HMD). The corner cut profile shapes of two adjacent LCD devices, one for the left eye and one for the right eye, may define an open region for placement of other components or parts of the user, such as the user's nose when wearing the HMD.Type: GrantFiled: January 23, 2017Date of Patent: January 1, 2019Assignee: Facebook Technologies, LLCInventors: Evan M. Richards, Shizhe Shen, Jianru Shi
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Patent number: 10162204Abstract: The present disclosure proposes a display. The display includes a first display panel, a second display panel, and a connecting mechanism, connecting the first display panel and the second display panel, for adjusting relative positions of the first display panel and the second display panel. By means of the connecting mechanism, relative positions of the first display panel and the second display panel are adjustable. Therefore, the display can be applied to a plurality of scenarios and saves material cost.Type: GrantFiled: April 25, 2016Date of Patent: December 25, 2018Assignee: Shenzhen China Star Optoelectronics Technology Co., LtdInventors: Yong Fan, Yu-chun Hsiao
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Patent number: 10157896Abstract: A display apparatus includes a substrate and a plurality of LEDs. Each LED is attached to the substrate via conductive pads on a side of the LED. A diffuser having light diffusing characteristics is aligned with the plurality LEDs against a surface of the substrate. The diffuser is aligned so as to nest around at least one LED of the plurality of LEDs.Type: GrantFiled: April 4, 2017Date of Patent: December 18, 2018Assignee: Rohinni, LLCInventors: Cody Peterson, Andrew Huska, Monica Hansen, Clinton Adams
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Patent number: 10053004Abstract: A lighting system for a vehicle comprises a headlamp light source. A trim piece is mounted adjacent the light source having an inner surface illuminated by light from the light source and an outer surface visible from outside the vehicle. The trim piece comprises a light transmitting plastic body, wherein a signature image is formed on the body having a foreground region and a background region. The foreground region has a corresponding surface characteristic on the inner and outer surfaces within the foreground region different from a corresponding surface characteristic on the inner and outer surfaces within the background region so that more light from the light source is transmitted through the foreground region than through the background region. The outer surface may be fully metalized to provide a pleasing appearance under ambient light conditions.Type: GrantFiled: November 25, 2014Date of Patent: August 21, 2018Assignee: FORD GLOBAL TECHNOLOGIES, LLCInventors: David A. Brown, Arun Kumar
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Patent number: 10024524Abstract: The present invention relates to an easy-maintaining LED lamp comprising a lamp body, on which is disposed a mounting frame, wherein the mounting frame comprises two supporting frames, which are respectively connected to the corresponding two ends of the lamp body, wherein a mounting plate is disposed at the upper end of the mounting frame, wherein a plurality of locking holes is disposed on the mounting plate, wherein at least two joint holes are disposed at intervals on the supporting frame, wherein a locking piece extending toward the inner side is disposed in the joint hole, wherein two cover plates are respectively disposed at the two ends of the lamp body, wherein a plurality of fasteners, which is connected to the corresponding locking piece, is disposed at the outer side of one cover plate.Type: GrantFiled: November 4, 2016Date of Patent: July 17, 2018Assignee: Shenzhen OKT Lighting Co., Ltd.Inventor: Zhiwu Zhang
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Patent number: 9958592Abstract: A display device has a first display panel including an image display area in which an image is displayable, a light guide plate arranged at a back of the first display panel, the light guide plate comprising a transparent material, a plurality of light sources respectively facing a plurality of positions on side surfaces of the light guide plate, a second display panel arranged at a back of the light guide plate, the second display panel being configured to display an image viewable through the light guide plate and the first display panel, and a controller configured to control turning on and turning off of the plurality of light sources and to control a first image displayed on the first display panel and a second image displayed on the second display panel. The light guide plate includes an emission surface facing the first display panel.Type: GrantFiled: April 15, 2016Date of Patent: May 1, 2018Assignee: OMRON CorporationInventors: Junya Fujita, Jun Kishimoto, Yuji Hirose
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Patent number: 9933131Abstract: In one aspect, a device has a controller and a fascia assembly, with a fascia, and a printed circuit board (PCB) mounted to the fascia. The PCB has a plurality of holes, and a plurality of light emitting diodes (LEDs), wherein one LED is mounted adjacent to each hole. The device also includes a wiring harness coupling the controller to the PCB wherein the LEDs may be energized according to signals received from the controller; and a console adjacent the PCB. The console has a plurality of light reflecting cups arranged therein so that each light reflecting cup covers an LED and the adjacent hole to reflect light from the LEDs through the holes so that the light is visible through the fascia assembly.Type: GrantFiled: March 2, 2016Date of Patent: April 3, 2018Assignee: Whirlpool CorporationInventors: Matthew P. Ebrom, Eric J. Schuh, Sithaarth T. Subramaniyam, Sugosh Venkataraman, Shivayogi Annigeri, Michael E. Gatt, Ajay Ram Narayana Pillai, Mihir Ponkshe
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Patent number: 9910202Abstract: The present invention relates to a structure of an edge-type back light unit, particularly to a structure comprising a light source receiving part, which receives a light source such as LED formed to the central direction of an optical plate at one side or the other side of the optical plate. The present invention has excellent optical property and has an effect of wide application to various LCDs because it comprises a light source receiving part, which can install a printed circuit board mounting the light source such as LED to an embedded form in an edge-type back light unit.Type: GrantFiled: December 30, 2011Date of Patent: March 6, 2018Assignee: LG INNOTEK CO., LTD.Inventors: Kyoung Soo Ahn, Sang Jun Park, Jae Hyuk Jang, Jong Sun Kim, Jeong Oh Lee
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Patent number: 9904136Abstract: A multiple-pane insulating glazing unit may include multiple panes of transparent material and a layer of electrically controllable optically active material that provides controllable privacy for the glazing unit. Despite efforts to fully black out the multiple-pane insulating glazing unit by switching the optically active material from a transmissive state to a privacy state, the glazing unit may exhibit some residual direct visible transmission. In some examples, the multiple-pane insulating glazing unit may include a light emitting element positioned to direct light at the layer of optically active material to address this issue. Light emitted by the light emitting element may reflect and mask residual visibility through the electrically controllable optically active material.Type: GrantFiled: March 25, 2015Date of Patent: February 27, 2018Assignee: Cardinal CG CompanyInventors: Keith James Burrows, Klaus Hartig
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Patent number: 9881531Abstract: A lighting device for operation in at least two operating modes: a mode for free viewing and a mode for restricted viewing. The device includes a backlighting system, which in the restricted-viewing mode radiates light in a restricted angular range, a plate-shaped optical element situated along a viewing direction in front of the backlighting system, and illuminants laterally arranged at the optical element. The optical element is configured as a light guide consisting of a matrix plastic and, homogeneously distributed therein, scattering particles of a polymer. The light guide is transparent to at least 80% of the light emitted by the backlighting system. The light laterally incident on the optical element from the illuminants is radiated in a free viewing range; in the restricted-viewing mode, the backlighting system is switched on and the illuminants switched off; in the free-viewing mode, the illuminants are on and the backlighting system is off.Type: GrantFiled: February 13, 2015Date of Patent: January 30, 2018Assignee: SIOPTICA GMBHInventors: Markus Klippstein, Juergen Schwarz
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Patent number: 9864123Abstract: A backlight unit includes a light guide plate including a first surface and a second surface, opposite to the first surface, having a recess formed toward the first surface, and a light emitting device array disposed in the recess, the light emitting device array including a plurality of light emitting device packages and a board, on which the light emitting device packages are disposed. The light emitting device packages include first light emitting device packages to emit first light in the recess in a first direction, second light emitting device packages to emit second light in the recess in a second direction opposite to the first direction, and third light emitting device packages to emit third light having light output different from at least one of the first light and/or the second light in the recess in a third direction intersecting the first and second directions.Type: GrantFiled: April 18, 2012Date of Patent: January 9, 2018Assignee: LG INNOTEK CO., LTD.Inventor: Jungki Choi
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Patent number: 9848471Abstract: A backlight unit includes a main light-emitting diode (“LED”) array, a sub LED array, an LED driver which individually controls an on-off operation of the main LED array and an on-off operation of the sub LED array and includes a first switch, a second switch, a third switch, a fourth switch, a sub switch control unit, and a main switch control unit, and a direct current (“DC”)/DC converter unit which receives an input voltage and provides a DC voltage to the LED driver where the sub switch control unit controls the first and third switches so that one of the first and third switches is turned on and the other is turned off, and the main switch control unit controls the second and fourth switches so that one of the second and fourth switches is turned on and the other is turned off.Type: GrantFiled: July 6, 2016Date of Patent: December 19, 2017Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jin-won Jang, Seung-wan Kim
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Patent number: 9841645Abstract: A display device includes a display panel, a circuit board, a light guide structure and two paste materials. The circuit board is disposed on the display panel. The light guide structure is disposed on the display panel. The light guide structure has a bottom surface and a peripheral surface, wherein the bottom surface is oriented toward the display panel and the peripheral surface is adjacent to the bottom surface. Two plating pads are formed on the bottom surface. Two first recesses are formed on the peripheral surface and corresponding to the two plating pads. The two paste materials are formed between the two plating pads and the circuit board.Type: GrantFiled: April 2, 2015Date of Patent: December 12, 2017Assignee: Himax Display, Inc.Inventor: Shu-Chuan Chan
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Patent number: 9817176Abstract: A display device includes a backlight assembly and a display panel which displays an image. The backlight assembly includes a light emitting unit which generates light, and an optical member which adjusts a path of the light incident thereto and outputs the light toward the display panel. The optical member includes a first base film to which the light is incident, a second base film closer to the display panel than the first base film and for which are defined first and second areas alternately disposed, a first optical pattern between the first and second base films at the first area, where the first optical pattern refracts therein the light incident to the first base film, and a second optical pattern between the first and second base films at the second area, where the second optical pattern scatters the light incident to the first base film.Type: GrantFiled: December 28, 2015Date of Patent: November 14, 2017Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Joonghyun Kim, Juyoun Son, Kang-Woo Lee, Seunghwan Chung
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Patent number: 9817181Abstract: The present invention proposes a backlight module includes an LCD and a backlight module. A QD film adheres to a light guide plate. An optical film is arranged on the QD film. A light source is arranged at a lateral side of the light guide plate. A bezel accommodates the light guide plate and the light source. The bezel includes a base board and a sideboard extending along a direction perpendicular to the base board. The lateral frame encloses the bezel. The lateral frame includes a standing board and a horizontal extensive object. The standing board adheres to an outer side of the sideboard. The horizontal extensive object presses the QD film on the LGP and separates the optical film from the QD film, which prevents the edges of the QD film from getting distorted easily and having blue circles.Type: GrantFiled: September 21, 2015Date of Patent: November 14, 2017Assignee: Shenzhen China Star Optoelectronics Technology Co., LtdInventor: Yong Fan
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Patent number: 9817279Abstract: The present invention relates to a display device, comprising: a display unit comprising a pixel layer; a backlight unit; and a modulation unit disposed between the display unit and the backlight unit, wherein the modulation unit comprises a plurality of conductive layers and a liquid crystal layer disposed between the plurality of conductive layers, and the liquid crystal layer comprises a polymer dispersed liquid crystal (PDLC) or a polymer stabilized liquid crystal (PSLC).Type: GrantFiled: February 11, 2015Date of Patent: November 14, 2017Assignee: INNOLUX CORPORATIONInventors: Yu-Wei Chen, Meng-Chieh Chang, Chia-Liang Hung
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Patent number: 9715140Abstract: A liquid crystal display apparatus includes a liquid crystal panel configured to display images; at least one light source configured to supply light to the liquid crystal panel; a front chassis member and a rear chassis member configured to accommodate the liquid crystal panel and the light source module and a circuit board configured to control the liquid crystal display apparatus. The rear chassis member may include a light source supporting portion supporting the at least one light source and a plurality of side surface portions extending from the light source supporting portion to the rear chassis member. The circuit board may be disposed in at least one of the side surface portions.Type: GrantFiled: October 16, 2014Date of Patent: July 25, 2017Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Kye-hoon Lee, Jin Liu, Won-yong Lee, Suk-ju Choi
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Patent number: 9709244Abstract: A light-source module includes an optical film and at least one light-source unit, which together enclose a space. The light-source unit includes a reflective assembly, a light-concentrating unit and at least one light-emitting assembly. The light-concentrating unit has a light exiting end and a light incidence end, and the light exiting end faces the space enclosed by the light-source unit and the optical film. The optical-axis direction of the light-emitting assembly is defined as a first direction, and the direction perpendicular to both the first direction and the optical film is defined as a second direction. The length of the light-concentrating unit in the first direction is defined as a light-concentrating distance, the width of the light exiting end in the second direction is defined as a light exiting width, and the ratio of the light-concentrating distance over the light exiting width is greater than 0.5 but less than 10.Type: GrantFiled: July 21, 2014Date of Patent: July 18, 2017Assignee: Young Lighting Technology Inc.Inventors: Hung-Wei Liu, Chin-Ku Liu
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Patent number: 9638854Abstract: The embodiment of the present invention relates to the field of display technology, and provides a backlight source, a liquid crystal display panel and a liquid crystal display device. The backlight source comprises at least two light guide plates and a light source corresponding to the respective light guide plate. The light guide plates are joined to form a light guide plane, and the light source is arranged at the periphery of the corresponding light guide plate and does not transmit light to the other light guide plate. The light source corresponding to the respective light guide plate can be controlled by a control circuit. According to the present invention, it is able to reduce the power consumption of the screen and the backlight source and improve the endurance of the backlight source.Type: GrantFiled: September 17, 2014Date of Patent: May 2, 2017Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Jiuxia Yang, Feng Bai, Yiming Zhao, Bing Bai, Xiao Sun
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Patent number: 9632236Abstract: The invention provides a backlight module including: a light guiding plate having a first side surface and a second side surface; a plurality of light sources arranged along the second side surface of the light guiding plate; a quantum dot enhancement film (QDEF) disposed above the light guiding plate, wherein the QDEF includes a first edge adjacent to the first side surface and a second edge adjacent to the second side surface; and a frame disposed outside the light guiding plate, the frame having a first extension portion covering the first edge of the QDEF and a second extension portion covering the second edge of the QDEF, wherein a distance between an end of the first extending portion and the first edge of the QDEF is greater than a distance between an end of the second extension portion and the second edge of the QDEF.Type: GrantFiled: October 26, 2016Date of Patent: April 25, 2017Assignee: INNOLUX CORPORATIONInventors: Mei-Fan Chou, Tun-Chuan Chen, Chun-Wei Liu
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Patent number: 9618179Abstract: The invention provides a lighting unit (10) comprising (i) an arrangement (111) of a plurality of light source units (100) configured to provide corresponding light source unit light (101), (ii) a first foil (210) comprising a plurality of transmissive first foil regions (211), wherein each first foil region (211) comprises a plurality of optical elements (212), and (iii) a second foil (220) comprising a plurality of transmissive second foil regions (220), wherein each second foil region (221) comprises a plurality of optical elements (222), wherein each light source unit (100) has a corresponding first foil region (211) configured downstream of said light source unit (100) and a corresponding second foil region (221) configured downstream of said first foil region (211).Type: GrantFiled: October 13, 2014Date of Patent: April 11, 2017Assignee: PHILIPS LIGHTING HOLDING B.V.Inventors: Wilhelmus Petrus Adrianus Johannus Michiels, Marcellinus Petrus Carolus Michael Krijn, Ruslan Akhmedovich Sepkhanov, Antonius Adrianus Maria Marinus, Hendrikus Hubertus Petrus Gommans
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Patent number: 9612385Abstract: A method includes having test plate and light source, the test plate having matrix of first pattern-dots and equally divided into blocks. Intersecting surfaces between the first pattern-dots and the first bottom surface have the same radius rx. Detecting a luminous flux ?X of each block and a total luminous flux ?t of the test plate when light source is activated; calculating an average luminous flux ?ave; calculating the radius rx1 of the first pattern-dots in each block assuming that an actual luminous flux of each block is equal to the average luminous flux according to the formula rx1=rx×sqrt (?ave/?X). Providing a substrate having the same structure as the base and the substrate being divided into blocks according to the same principle as the test plate. Forming second pattern-dots having the same arrangements as the first pattern-dots and having radius of rx1 in each block.Type: GrantFiled: May 20, 2014Date of Patent: April 4, 2017Assignee: HON HAI PRECISION INDUSTRY CO., LTD.Inventor: Li-Ying Wang He
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Patent number: 9594194Abstract: A light diffusion member includes a substrate having light transmissivity, a plurality of light shielding layers, and light diffusion portions. The light diffusion portions have a light-emitting end surface, a light incident end surface which has a larger area than the area of the light-emitting end surface, and a reflecting face. Light which enters from the light incident end surface is anisotropically diffused in an azimuth direction seen from a normal direction of the substrate, and the height from the light incident end surface to the light-emitting end surface of the light diffusion portion is greater than the thickness of the light shielding layers. A hollow portion of the light diffusion portion is formed in the formation region of the light shielding layers, and air is present in the hollow portion.Type: GrantFiled: January 28, 2014Date of Patent: March 14, 2017Assignee: Sharp Kabushiki KaishaInventors: Yasushi Asaoka, Tsuyoshi Maeda, Emi Yamamoto, Toru Kanno, Shohei Katsuta
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Patent number: 9594204Abstract: A light guide plate which guides light from light sources at both ends and reflection surface grooves having plural types of reflection surfaces formed on a reverse side of the light guide plate are provided in a direction perpendicular to a front direction of a suction tool, thereby forming light rays radiating to a floor surface from three directions and lighting the floor surface as the surface to be cleaned in front of the suction tool over a wide range.Type: GrantFiled: October 23, 2015Date of Patent: March 14, 2017Assignee: Panasonic Intellectual Property Management Co., Ltd.Inventors: Tomohisa Sakaguchi, Masaru Fujita
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Patent number: 9557469Abstract: A light guide plate and a backlight module are described. The light guide plate includes a main body and a plurality of stripe microstructures. The main body includes a light incidence surface, a light-emitting surface and a light reflective surface. The light-emitting surface is opposite to the light reflective surface, and the light incidence surface is connected between the light-emitting surface and the light reflective surface. The light-emitting surface includes a microstructure region adjacent to the light incidence surface. The stripe microstructures are arranged in the microstructure region, and parallel to a normal line of the light incidence surface.Type: GrantFiled: October 21, 2015Date of Patent: January 31, 2017Assignee: Radiant Opto-Electronics CorporationInventors: Chia-Yin Chang, Chin-Ting Weng
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Patent number: 9546780Abstract: A light source module includes a substrate, a circuit, at least one first light source unit, and at least one second light source. The circuit is disposed on the substrate and includes a first signal channel and a second signal channel. The first light source unit is disposed on a bearing surface, wherein the first light source unit has a first A pin and a first B pin having different polarity from the first A pin. The second light source unit is disposed on the bearing surface and is adjacent to the first light source unit, wherein the second light source unit has a second A pin and a second B pin having different polarity from the second A pin, and the second A pin is adjacent to the first A pin of the first light source unit and has a same polarity with the first A pin.Type: GrantFiled: March 28, 2014Date of Patent: January 17, 2017Assignee: AU OPTRONICS CORPORATIONInventor: Ming-Ji Hsu
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Patent number: 9512982Abstract: A backlight assembly includes a light source unit configured to supply light, a light guide plate configured to guide light incident from the light source unit to an upper surface thereof, a reverse prism sheet disposed on the light guide plate and having a prism-shaped lower surface and an auxiliary film disposed between the light guide plate and the reverse prism sheet, in which the light guide plate includes a light-incident portion on which light is incident from the light source unit and a light-facing portion facing the light-incident portion.Type: GrantFiled: November 26, 2012Date of Patent: December 6, 2016Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jae Ho You, Hyun Deok Im, Byoung Ho Cheong
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Patent number: 9507076Abstract: A backlight unit and a display device having the same are discussed. According to an embodiment, the backlight unit includes a light source configured to generate light; and a light guide plate configured to distribute the light received from the light source, the light guide plate including: at least one body, each of the at least one body divided into a plurality of blocks, and a plurality of reflective patterns formed on a bottom surface of the body, wherein the plurality of reflective patterns are selectively provided at some of the plurality of blocks.Type: GrantFiled: May 1, 2012Date of Patent: November 29, 2016Assignee: LG DISPLAY CO., LTD.Inventors: Jae-Jung Han, Dae-Yong Kim
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Patent number: 9495040Abstract: A user interface for a vehicle is disclosed. The user interface comprises a vehicle panel having a proximity sensor, a first photoluminescent portion and a second photoluminescent portion. The user interface further includes a first light source configured to selectively activate the first photoluminescent portion and a second light source configured to selectively activate the second photoluminescent portion. The second photoluminescent portion is configured to reveal a symbol in a backlit configuration in response to the activation of the second light source.Type: GrantFiled: August 6, 2014Date of Patent: November 15, 2016Assignee: Ford Global Technologies, LLCInventors: Stuart C. Salter, James J. Surman
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Patent number: 9494302Abstract: A high-definition LED display screen and a surface-mounted LED composite lamp with an ultra-small point distance thereof are provided. The high-definition LED display screen includes a plurality of the surface-mounted LED composite lamps with an ultra-small point distance. The surface-mounted LED composite lamp with an ultra-small point distance includes a lamp body, a plurality of pins arranged on a surface of one side of the lamp body, and a plurality of groups of LED pixel lamps arranged in an array on a surface of the other side of the lamp body, of which a periphery wrapped with transparent packages, each group of LED pixel lamps being electrically connected with the pins.Type: GrantFiled: March 26, 2013Date of Patent: November 15, 2016Assignee: SHENZHEN AOTO ELECTRONICS CO., LTDInventors: Yi Shen, Jinming Bi, Ling Liu, Zhenzhi Wu, Hanqu Wu
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Patent number: 9482809Abstract: A planar light source including an LGP and first and second light sources are provided. The LGP has a first surface and a second surface opposite to each other and a first groove and a second groove. The first groove and the second groove are respectively located on the first surface and the second surface, and are respectively located at two sides of a center line of the LGP, where the center line equally divides the first surface and the second surface. The first groove has a first side surface and a first light incident surface, and the second groove has a second side surface and a second light incident surface, where the light sources are disposed in the grooves. The light sources are suitable for respectively providing a light beam entering the LGP through the corresponding light incident surface.Type: GrantFiled: July 2, 2014Date of Patent: November 1, 2016Assignee: Young Lighting Technology Inc.Inventors: Ching-Hsiang Li, Min-Chun Chou, Chien-Hui Lee
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Patent number: 9435514Abstract: In a surface light source device (1), a positive reflective region (23) of a reflective member (20) that is disposed on the bottom surface (4) of a housing (2) reflects light output by a light emitting device (14) toward a direction away from the light emitting device (14). As a result, the brightness of the light in the proximity of the light emitting device (14) of the surface shaped illuminating light output by a light emitting surface member (3) can be suppressed, and the brightness of light of a central part (position furthest away from the light emitting device (14)) of the surface shaped illuminating light output by the light emitting surface member (3) can be increased.Type: GrantFiled: September 10, 2012Date of Patent: September 6, 2016Assignee: Enplas CorporationInventors: Hiroshi Takatori, Masao Yamaguchi
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Patent number: 9435941Abstract: The present invention is related to a technology of liquid crystal display, and specially to a fixture incorporated in a backlight module for the liquid crystal display. The fixture for backlight module comprises a backboard having a bottom board, a sidewall, and a bent portion. The sidewall has a first end and a second end, and the bottom board being interconnected with the first end. The bent portion is interconnected to the second end, and arranged on an outside of the sidewall, and creates an angle with respect to the sidewall. A plastic frame is defined with opening aligned and enveloped onto the bent portion so as to securely assemble the plastic frame to the backboard. The advanced and preferred interengagement between the backboard and the plastic frame can not only readily implement into the backlight module in which the light strip and backboard are made individually, but also can be fitted into the backlight module in which the backboar is integrally formed with driving circuit for light strip.Type: GrantFiled: June 27, 2013Date of Patent: September 6, 2016Assignee: Shenzhen China Star Optoelectronics Technology Co., LtdInventor: Gege Zhou
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Patent number: 9428107Abstract: An electroplating light-transmissive decoration panel for a rear license plate, configured with a plurality of accepting grooves on a framework for the accommodation of corresponding LED light boards of a light emitting module; a letter plate with hollowed-out graph-typed and/or letter-typed slots are covered in front of the LED light boards; a cover is made of a light transmissible material, the surface thereof being treated by means of sputter coating to form a sputter coating film, and coupled to the framework with fixing elements and then mounted above the rear license plate; a power line extended from the light emitting module is connected to a power source of a tail light. Whereby, when the decoration panel is not energized, the surface can display a highly textured electroplating matte effect, and when energized, light from the LED light boards passes through the letter plate to show preset graphs and/or letters.Type: GrantFiled: February 6, 2015Date of Patent: August 30, 2016Assignee: SAN YUAN DESIGN CO., LTD.Inventor: Peng-Hsiang Hung
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Patent number: 9429703Abstract: An illumination apparatus includes: a light-guiding plate; a plurality of light-emitting elements disposed along a side-end surface of the light-guiding plate that serves as a light-entry portion, each of the plurality of light-emitting elements has a light-emitting surface which faces toward the light entry portion; a light source substrate, disposed and separated with a space from the light entry portion of the light-guiding plate when viewed from above, that includes a mounting surface for the plurality of light-emitting elements, the mounting surface being orthogonal to the side-end surface serving as the light entry portion; and a step portion with which an end portion of the light source substrate located toward the light-guiding plate makes contact.Type: GrantFiled: February 6, 2015Date of Patent: August 30, 2016Assignee: SEIKO EPSON CORPORATIONInventors: Yoichi Momose, Nobutaka Urano
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Patent number: 9341768Abstract: A backlight device includes a light guide plate, a first light source, a second light source, and a positioning portion. The light guide plate has at least one end surface as a light entrance surface and one plate surface as a light exit surface. The first light source is opposed to a first light entrance surface that is a first end surface of the light guide plate. The second light source is opposed to a second light entrance surface that is an end surface opposite from the first light entrance surface of the light guide plate. The second light source is arranged to have a distance from the second light entrance surface relatively greater than a distance between the first light source and the first light entrance surface. The positioning portion is configured to position the light guide plate in a direction in which the first light source, the light guide plate, and the second light source are arranged, and to position the light guide plate with respect to the first light source and the second light source.Type: GrantFiled: April 25, 2013Date of Patent: May 17, 2016Assignee: Sharp Kabushiki KaishaInventor: Takaharu Shimizu
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Patent number: 9324286Abstract: The viewing angle characteristics of a multiprimary liquid crystal display device in which a plurality of red subpixels are provided in each pixel are improved. A multiprimary liquid crystal display device according to the present invention includes a pixel defined by a plurality of subpixels, and performs multicolor display by using four or more primary colors to be displayed by the plurality of subpixels. The plurality of subpixels of the multiprimary liquid crystal display device according to the present invention include first and second red subpixels R1 and R2 for displaying red, a green subpixel G for displaying green, a blue subpixel B for displaying blue, and a cyan subpixel C for displaying cyan. When a color having a hue which is within a predetermined first range is displayed by the pixel, the gray scale level of the first red subpixel R1 and the gray scale level of the second red subpixel R2 differ from each other.Type: GrantFiled: November 24, 2009Date of Patent: April 26, 2016Assignee: SHARP KABUSHIKI KAISHAInventors: Tomohiko Mori, Kazunari Tomizawa, Yuichi Yoshida, Kozo Nakamura, Shun Ueki
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Patent number: 9316381Abstract: A light emitting diode assembly includes: a light emitting diode (LED) printed circuit board (PCB) having a base layer, an insulating layer on the base layer and a circuit pattern layer on the insulating layer, the LED PCB including a plurality of through holes spaced apart from each other; and a plurality of light emitting diodes (LEDs) inserted into the plurality of through holes, respectively, from a bottom surface of the LED PCB, each of the plurality of LEDs including a lead contacting the circuit pattern layer.Type: GrantFiled: February 24, 2015Date of Patent: April 19, 2016Assignee: LG DISPLAY CO., LTD.Inventors: Young-Min Kweon, Ji-Woon Min, Ho-Young Cheon
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Patent number: 9318035Abstract: Disclosed is an advertisement display device having a 3D sheet. The advertisement display device having the 3D sheet comprises: a substrate; a backlight unit which is provided on the substrate and irradiates light; and a 3D sheet which is provided on the backlight unit to implement a 3D image by the light irradiated from the backlight unit.Type: GrantFiled: October 19, 2012Date of Patent: April 19, 2016Assignee: KORTEK CORPORATIONInventors: Gun Ho Lee, Kyoung Chan Lee
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Patent number: 9303842Abstract: A display apparatus includes a display panel that displays an image, a window member, and an adhesive layer. The window member includes a base film that has a light transmission area that exposes the image of the display panel, the light transmission area is surrounded by a blocking area, a blocking pattern on the blocking area, and a dam pattern on the blocking pattern. The adhesive layer is between the display panel and the window member.Type: GrantFiled: December 28, 2012Date of Patent: April 5, 2016Assignee: SAMSUNG DISPLAY CO., LTD.Inventor: Kyu Hyeong Cheon
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Patent number: 9261642Abstract: The present invention relates to a light guide member. The light guide member comprises a plurality of light guide sheets each including: a body having a curved shape; a plurality of scattering particulates dispersed in the body; a light exiting layer positioned on an outer surface of the body; and a light reflecting layer positioned on an inner surface of the body. Each of the light guide sheets has two end surfaces and two side surfaces, and at least one of the two end surfaces is used to guide light into each of the light guide sheets. The light guide member is formed by the plurality of light guide sheet connected side by side through the side surfaces.Type: GrantFiled: June 24, 2014Date of Patent: February 16, 2016Assignee: BOE Technology Group Co., Ltd.Inventor: Shang Wang
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Patent number: 9256250Abstract: An electronic device may be provided with a display having a flexible substrate with fastened bent edges. The flexible substrate may have an active region that includes an array of light-emitting elements such as organic light-emitting diodes. The flexible substrate may also have inactive regions that lie outside of the active region. The bent edges may include portions of the inactive regions and portions of the active region. The bent edges may be wrapped to conform to the shape of an internal support structure. The bent edges may be fastened to the support structure with fastening members that attach a housing member or an internal clamp to the support structure. The bent edges may be secured between the housing member or the internal clamp and the support structure. The fastening members may be engaged in openings in the support structure and may pass through or alongside the bent edges.Type: GrantFiled: April 7, 2014Date of Patent: February 9, 2016Assignee: Apple Inc.Inventors: John Raff, Scott A. Myers, Christopher Stringer
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Patent number: 9244213Abstract: The present invention makes it possible to (i) obtain a sufficient and uniform luminance on an entire surface, which is irradiated with light, of a light guide plate and (ii) achieve a reduction in cost. LED light source substrates (140a) and (140b ) are each configured to emit light having a first luminance gradient on an edge of a range, to be irradiated with light, which first luminance gradient is smaller than a second luminance gradient of light having a substantially uniform luminance on an entire range to be irradiated with light.Type: GrantFiled: July 3, 2013Date of Patent: January 26, 2016Assignee: SHARP KABUSHIKI KAISHAInventors: Yasufumi Itoh, Manabu Onozaki, Motoki Takase