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| Number | Title | Issue Date |
| 8172413 | Keypad assembly A keypad assembly having a light guide sheet having a first surface with a layer of graphics printed thereon, a second surface opposite the first surface, and an edge surface; and a flexible sheet having a central portion engaged with the light guide sheet second su... | 05/08/2012 |
| 7946720 | Light guide sheet, movable contact structure using the light guide sheet, method of manufacturing the movable contact structure, and switch using the light guide sheet and the movable contact structure A light shielding part includes a slit provided between a first light guide body and a second light guide body, and an attenuation part which has unevenness formed by print and is additionally provided near end sides of the first light guide body and the second ligh... | 05/24/2011 |
| 7942538 | Information presenting device The invention is directed towards an information presenting device and a portable electronic device including such an information presenting device. The information presenting device (16) comprises a first information layer (18) having a first informat... | 05/17/2011 |
| 7896511 | Input device and mobile communication terminal having the same An input device and a mobile terminal including the same is provided. The input device includes a housing formed of a non-conductive material and having at least one transmissive region, a touch board spaced from the housing, a displaceable conductive member located... | 03/01/2011 |
| 7824047 | Mobile terminal device In a cellular phone, a light guiding plate, which linearly guides light emitted by a plurality of light emitting elements (LEDs), and an LED display unit, which displays predetermined LED displays, are laminatedly arranged in a movable-side housing. A slit formed in... | 11/02/2010 |
| 7600880 | Device with modal lighting control and method thereof A device (50) with modal lighting includes a translucent layer (74); a first light source (60) operative to project light (94) through the translucent layer (74); and a second light source (65b) operative to project l... | 10/13/2009 |
| 7588338 | Keyboard equipped with a backlight structure A keyboard equipped with a backlight structure includes a keyboard portion, a bridge board and a base board located beneath the keyboard portion to form a light transmission space. The bridge board has a light channeling portion to channel light entering the light t... | 09/15/2009 |
| 7534001 | Light-guiding method of light-guiding plate and key pad assembly using the light-guiding plate A key pad assembly includes a printed circuit board, a first elastic layer, a second elastic layer, a light-shielding layer, a keycap group, a light-emitting element and a light-shielding piece. The second elastic layer has a light-guiding plate thereon. The light-g... | 05/19/2009 |
| 7431487 | Concatenated light pipe An illuminated assembly such as an illuminated electronic input control assembly adjusts to the shape of a receiving assembly. The illuminated assembly includes an illumination source module and an illuminated module. Advantageously, the illumination source module a... | 10/07/2008 |
| 7417624 | Zero-force key activation keyboard with dynamic individual key illumination Described is a zero-force key activation keyboard with individual key illumination. The keyboard includes a non-moving key for causing generation of an input signal when activated. The key has a depressed surface defining an approximately concave well with sides for... | 08/26/2008 |
| 7383068 | Collapsible mobile communication terminal device A hinge mechanism which coupled an upper side housing and a lower side housing in such a manner that they can be opened and closed, a push button which opens the hinge mechanism when it was depressed, light emission section which has the push button lighted up at th... | 06/03/2008 |
| 7364339 | Flexible backlight unit for key of input device Provided is a backlight unit for a key of an input device. The unit includes a light guide plate and at least one light emitting unit. The light guide plate is formed of flexible transparent resin and has a light guide pattern portion in which a plurality of engrave... | 04/29/2008 |
| 7364649 | Method of producing the keytop for pushbutton switch According to a method of producing a key top for a pushbutton switch of the present invention, a base layer made of an insulating resin that can be plated with metal, an electroless plating layer to be formed on the surface of the base layer, and a polymer coating l... | 04/29/2008 |
| 7357523 | Illuminating keyboards An illuminating keyboard is provided. An illuminating keyboard includes a key module, a light guide plate, and a light source. The key module includes one or more keys. The light guide plate is disposed beneath the key module and includes a plurality of openings. Th... | 04/15/2008 |
| 7350932 | Pressed key structure with lighting module The present invention concerns to a press key structure with a light module in use of illuminant variation for arrow keys of an appliance. The press key structure with light module comprises a key base plate, a light source, a spread slice and a light guiding cap. T... | 04/01/2008 |
| 7335843 | Computer keyboard backlighting Embodiments of a peripheral backlighting system for keyboards are shown and described, which include one or more light-emitting panels exterior to the keyswitches of the keyboard. The panels are preferably electroluminescent material or light-emitting chemical cells... | 02/26/2008 |
| 7334930 | Light guide element and backlight module using the same A light guide element (100) includes a light guide plate (20) and a frame (23). The light guide plate includes a first guiding portion (21), and a second guiding portion (22) adjoining the first guiding portion. The first guiding p... | 02/26/2008 |
| 7294802 | Lighting and usability features for key structures and keypads on computing devices A keypad is provided for a computing device. The keypad includes one or more lighting devices or mechanisms for illuminating a plurality of keys structures. In an embodiment, the plurality of key structures are formed from a milky material. ... | 11/13/2007 |
| 7283066 | Illuminated keyboard A keyboard is provided having illuminating keys. The keyboard includes a light channeling upper clamshell and preferably key members constructed at least partially of translucent material so that light produced from a light source is channeled upwardly to the upper ... | 10/16/2007 |
| 7278750 | LED keyboard of a notebook computer An LED keyboard of a notebook computer comprises a plurality of interlaced slots, each having a cluster of retaining holes. Roughly at the center of the cluster of retaining holes, there is a flexible body wherein a light-emitting body is installed. Each of the ligh... | 10/09/2007 |
| 7265307 | Illumination push switch unit An illumination push switch unit is provided in which driving units for driving first and second detecting units are formed at side walls other than adjacent side walls of peripheral walls of first and second sliders with a barrier walls of a case interposed therebe... | 09/04/2007 |
| 7249861 | Keypad assembly A keypad assembly (100) for a communication device (200) utilizes two boards, a main circuit board (102) with electronic components including light emitting diodes (LEDs) (104) and a keypad board (108). A lightguide (106) is... | 07/31/2007 |
| 7244899 | Keypad assembly for portable terminal A keypad assembly for a portable terminal according to the present invention includes: a keypad having pad portions with a plurality of key buttons placed thereon, light guide plates disposed between the pad portions, and reflection units disposed on the light guide... | 07/17/2007 |
| 7232248 | Backlight unit and display device A backlight unit. The backlight unit is employed in a display device having a main screen and a sub screen. The backlight unit comprises a first light-emitting unit and a second light-emitting unit. When the display device uses the sub screen, the first light-emitti... | 06/19/2007 |
| 7230196 | Lighted switch device A lighted switch device, comprising a substrate, a switch provided on a first surface of the substrate, a light source provided on a second surface of the substrate, a key top to press the switch, and a light guide mechanism to guide light emitted from the light sou... | 06/12/2007 |
| 7207693 | Display structures for light-emitting diodes Light display structures are provided that are simple and comprise few parts so that they can be economically fabricated from various polymers and quickly assembled. They are especially suited for carrying light-emitting elements and lend themselves for realization ... | 04/24/2007 |
| 7196693 | Lighting keyboard and lighting module thereof A lighting keyboard and lighting module for a keyboard is disclosed. The lighting module comprises a light source, a backlight plate having a surface with light-reflective protrusions and a light-reflecting plate. In one embodiment, the thickness of the backlight pl... | 03/27/2007 |
| 7193535 | Illuminated keyboard A keyboard is provided having illuminating keys. The keyboard includes a light channeling membrane and key members constructed at least partially of translucent material so that light produced from a light source is channeled upwardly to the upper surfaces of the ke... | 03/20/2007 |
| 7193536 | Illuminated keyboard A keyboard is provided having illuminating keys. The keyboard includes a light channeling membrane and key members constructed at least partially of translucent material so that light produced from a light source is channeled upwardly to the upper surfaces of the ke... | 03/20/2007 |
| 7187306 | Key input device and portable telephone comprising same The invention provides a key input device comprising a plurality of key tops 7 arranged on a surface of a main body case, each of the key tops 7 having a body 73 of transparent resin, the key body 73 being provided with a light blocking f... | 03/06/2007 |
| 7181251 | Mobile communication terminal with multi orientation user interface The invention relates to a mobile communication terminal comprising a user interface with a display and a keypad for supporting various functions. According to the invention, the orientation of the content of a hard label or a soft label of at least one of the keys ... | 02/20/2007 |
| 7176894 | Double-sided keyboard for use in an electronic device A keyboard having a plurality of first keys on one side and second keys on the other, separated by a circuit board and a plurality of domes. The circuit board can be activated for entering information in an electronic device by pressing one or more keys on either si... | 02/13/2007 |
| 7172303 | Illuminated keyboard A keyboard is provided having illuminating keys. The keyboard includes a light channeling membrane and key members constructed at least partially of translucent material so that light produced from a light source is channeled upwardly to the upper surfaces of the ke... | 02/06/2007 |
| 7113232 | Display window and assembly A display window for placement in registration with a display is disclosed. The display is viewable through the window. A first surface of the window is for exposure to a user, and a second surface of the window is for placement adjacent the display. The second surf... | 09/26/2006 |
| 7042341 | Device including light emitting diode as light sensor and light source A battery operated controller for a door operator includes a keypad backlit by a light emitting diode operably connected to a microcontroller which also controls operation of the controller. The microcontroller periodically measures ambient light as sensed by the li... | 05/09/2006 |
| 7035402 | Portable communication unit A portable communication unit is provided that permits a cord to be received and stored easily, while preventing undesired unwinding of the cord. Even when the communication unit is carried and stored together with a magnetic card containing data, a magnetic-side so... | 04/25/2006 |
| 7021810 | Illuminated remote control device An illuminated remote control device providing illumination in the visible spectrum and the functionality of a wireless signal transmitter. Light projects from one or more translucent portions of the remote control device. The illuminated remote control device compr... | 04/04/2006 |
| 7014377 | Key pad, resin key top injection mold, and resin key top manufacturing method A key pad has resin key tops on a key sheet. The resin key tops have in their side surfaces clearance portions of a configuration in conformity with an outer configuration of interference members at least an upper portions of which are situated in displacement regio... | 03/21/2006 |
| 6997572 | Illumination structure for pushbutton and electronic device with pushbutton having illumination structure A pushbutton switch mechanism has board 28 incorporating an electronic circuit thereon, metal sheet contact 26 disposed on board 28, a light-transmissive pushbutton disposed in an opening defined in a casing of the electronic device for being pr... | 02/14/2006 |
| 6969189 | LED backlight module An LED backlight module. The LED backlight module comprises a printed circuit board, a plurality of LEDs, and a light transmissive material. The LEDs are disposed on the printed circuit board. The light transmissive material is coated on the printed circuit board. P... | 11/29/2005 |
