Abstract: A luminous keyboard includes a light-emitting element, a membrane wiring board, plural keys, and a light guide plate module. The plural keys are used for correspondingly triggering the plural membrane switches. The light-emitting element is used for providing the light beam to the luminous keyboard. The light guide plate module includes a first reflective layer, a second reflective layer, and a light-guiding layer between the first reflective layer and the second reflective layer. The light-guiding layer includes plural light-outputting regions and a spacing region. The plural light-outputting regions are aligned with the plural keys, respectively. The spacing region is arranged around the plural light-outputting regions. Moreover, plural light-guiding dots are located at the plural light-outputting regions, and at least one light diffusion structure is located at the spacing region.

Abstract: A color changeable lighting keyboard includes a housing, a key assembly disposed on the housing, a lighting module disposed in the housing for lighting the key assembly, and a color changing mechanism. The color changing mechanism includes a movable element disposed in the housing and operable to perform a linear motion, and a plurality of colored pieces made of a light-permeable material and having different colors. The movable element is operable to move the colored pieces along a moving direction to align a selected one of the colored pieces with the lighting module.

Abstract: Backing lighting of induction touch keys is accomplished with a spacer layer surrounding an inductive touch sensor coil and a light source on a substrate, and light transmissive layer having a suspended metal disk proximate to the inductive touch sensor coil. A protective fascia may be placed over the light transmissive layer and spacer layer. When the light transmissive layer is displaced toward the inductive touch sensor coil the impedance value of the inductive touch sensor coil changes and the change is detected. Materials used that are translucent (light transmissive) may be continuous and solid, and opaque materials may have openings therein for transmission of light therethrough.

Abstract: A light guide sheet includes a material sheet having a film shape, first and second illuminations portion provided on the material sheet for diffusing light. The material sheet has a slit having substantially a strip shape provided therein and provided around the first illumination portion. The slit has a first edge and a second edge opposite to the first edge. The first edge faces the first illumination portion. The material sheet includes a first bridge and a second bridge linking the first edge of the first slit to the second edge across the first slit. This light guide sheet provides a movable contact assembly which is easily fabricated and provides preferable illuminating.

Abstract: The present invention discloses a light-guiding structure of a translucent press key including a keypad region including a circular hollow area, and a diffuser and a light source module sequentially disposed below the keypad region. The light source module includes a reflective film and a light generating unit, in which the reflective film has a through hole formed at a position opposite to the middle of the circular hollow area, and the light generating unit is coupled to a control circuit of the keypad region and generates a light source to pass through the through hole. The light-guiding structure of a translucent press key of the present invention has the advantages of a low cost and highly uniform light distribution.

Abstract: An uniformly self-luminous keyboard device comprises a housing and a keyboard unit. The housing includes an upper casing and a lower casing, which can be assembled together. After the upper casing and the lower casing are assembled together, an accommodation space is formed therebetween. The upper casing has an opening interconnecting the accommodation space. The keyboard unit is arranged in the accommodation space and includes a plurality of press members passing through the opening and moved by a force to have a displacement, and a baseplate supporting the press members. A light conduction space is formed between the baseplate and the lower casing. A light emitting unit is arranged inside the light conduction space. The height of the light conduction space decreases with the distance to the light emitting unit, whereby light is uniformly distributed over the bottom of the keyboard unit. Thus is achieved the uniformly self-luminous keyboard device.

Abstract: The invention provides a light guiding plate. The light guiding plate is transparent and applied to an input apparatus. A surface of the light guiding plate comprises a first region and a second region. The first region is covered by a non-transparent material. If a light is emitted into the light guiding plate, the light can be emitted out from the second region.

Abstract: A light switch cover having a light switch identifier to identify light coupled to a particular light switch. To this end, the light switch identifier may be positioned adjacent the light switch and/or a designation (number, letter or both) may be established for the light switch identifier and the light switch. The light switch cover may include a small clear cover behind which a label is positioned which identifies the particular light (or other device) that the corresponding light switch is operable to control.

Abstract: 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 surface and having a peripheral portion positioned in light blocking relationship with the light guide sheet edge surface.

Abstract: An enclosure for an electronic apparatus includes an enclosure body defining an opening. The enclosure allows a panel member to cover over the opening from the outside of the enclosure body. One is allowed to design the panel member regardless of the shape of the opening. This results in a widened variety of design for the enclosure body, namely the enclosure for an electronic apparatus. The enclosure is thus allowed to enjoy an enhanced appearance.

Abstract: An indicator for emitting a light is provided, the indicator comprising a plate-shaped member which has a stress-concentrating section for causing stress concentration, and a stress-transmitting section for transmitting, to the stress-concentrating section, a stress generated due to an external force; wherein the stress-concentrating section is provided with a stress light-emitting section which is formed of a stress light-emitting material that emits the light in response to a change of the stress. The stress-concentrating section can be arranged such that the stress-concentrating section is not hidden by a finger when the force is applied to the indicator with the finger or the like. The visibility of the light emission can be secured by the light emission effected by the stress light-emitting material applied to the stress-concentrating section which is not hidden by the finger.

Abstract: An arrangement and method for displaying at least a first and a second image. The arrangement comprises at least one light source (120, 121, 220, 221, 320, 321) adapted to generate light having at least a first and a second light characteristic; and at least a first and a second image forming element (122, 123, 222, 223, 322, 323) arranged to display a first and a second image (128, 129, 230, 231), respectively. The first image forming element (122, 222, 322) is at least responsive to the light having the first light characteristic. The second image forming element (123, 223, 323) is at least responsive to the light having the second light characteristic.

Abstract: A sheet-shaped lightguide member has a first surface (11A), which is divided into at least two areas. The sheet-shaped lightguide member has the first surface (11A) and a second surface (11B) that face each other and a peripheral edge surface (11C). The lightguide member receives light through at least a part of the peripheral edge surface, guides the light, and emits the guided light from the first surface (11A) serving as a light exit surface. The lightguide member is divided into the at least two light exit areas (14A, 14B) and has a light-blocking part (18) provided along a boundary between mutually adjacent light exit areas to block transmission of light between the adjacent light exit areas.

Abstract: Disclosed is an activation device for use in initiating an event. This activation device includes an activation member with a body having a front surface and a rear surface. The illumination member is positioned substantially adjacent, spaced from or near to the rear surface of the body of the activation member. The illumination member projects physical waves toward the rear surface of the body of the activation member. A method of manufacturing an activation device is also disclosed.

Abstract: 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 light guide body. The light shielding part can prevent light from being transmitted between the first light guide body and the second light guide body. With this configuration, when illumination parts of the first and second light guide bodies are illuminated, it is possible to illuminate the illumination parts of the first and second light guide bodies at different timings without the illumination part of one light guide body being illuminated with light leaked from the other light guide body.

Abstract: 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 information presentation structure (20) of photo chromatic material changing appearance when irradiated by light (28) of a specific wavelength, a second information layer (22) having a second information presentation structure (24), and a first light source (26) illuminating the second information layer for presenting the second information presentation structure, wherein the first information layer is of a material that is transparent for light emanating at least from the first light source when the first layer is not exposed to light of said specific wavelength.

Abstract: An illuminated control for a gas range or the like provides arcuate reflective chambers capped by diffusers to create a substantially continuous glowing circular sector indicating the status of a possibly low visibility gas flames. Line power may be used for direct drive of light emitting diodes illuminating the reflective chambers through the use of discrete series-connected voltage dropping resistors distributed to prevent heat concentration.

Abstract: 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 between the housing and the touch board, and a plurality of light emitting units, each light emitting unit being located on the touch board.

Abstract: A surface light source device includes a light-emitting element which generates light, and a light guide plate which causes light emitted from the light-emitting element to be incident from an end face, causes the light to be reflected between opposite plate surfaces to guide the light along the plate surfaces and make the light emerge from the plate surfaces, and transmits light incident from one plate surface toward the other plate surface. A first optical element is placed on one plate surface side of the light guide plate, transmits part of light emerging from one plate surface of the light guide plate toward a front side, and returns the remaining light to a rear side. A second optical element is placed on the other plate surface side and transmits at least part of light emerging from the other plate surface side.

Abstract: 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 the substantially central portion of the light guiding plate partitions the light guiding plate into a first light guiding region and a second light guiding region. A first light emitting group of the light emitting elements emits light to the first light guiding region and a second light emitting group of the light emitting elements emits light to the second light guiding region. The first light guiding region and the second light guiding region are illuminated alternately by alternately switching ON the first light emitting group and the second light emitting group.

Abstract: An exemplary embodiment of a segmented light guide includes a light channeling layer having a plurality of regions, with multiple slits in the light channeling layer dividing neighboring regions. The segmented light guide also includes at least one light source associated with the light channeling layer.

Abstract: An exemplary embodiment of a segmented light guide includes a light channeling layer having at least one slit dividing the light channeling layer into a plurality of segments, and at least one LED associated with the light channeling layer. The slit substantially prevents light from migrating in the segmented light guide between adjacent segments that are divided by the slit.

Abstract: Provided is a back light unit. The back light unit includes a light guide plate having a light guide pattern part; at least one light emitting unit provided at a sidewall of the light guide plate, and irradiating light to the light guide plate; a keypad positioned over the light guide plate, and comprising a resin layer, a base resin layer, a character opening part having a character shape, a key assembly provided at one side, and a key adherence film provided on an upper surface of the base resin layer; and a printed circuit board comprising a metal dome switch positioned under a lower surface of the light guide plate.

Abstract: A light emitting sheet module includes a light guiding sheet to cover a plurality of key switches, at least one LED disposed on at least one end portion of the light guiding sheet, and a circuit board disposed on the one end portion of the light guiding sheet on which the LED is disposed. When the light emitting sheet module is, mounted on a switch board, it is capable of adaptation to key switches in a wide variety of forms and to illuminate the key switches with light emission of high brightness.

Abstract: A key input device includes a key input section, mode switching section, key backlight, and key backlight lighting control section. The key input section inputs characters by key input in a plurality of character input modes. The mode switching section switches a plurality of character input modes. The key backlight is placed on a lower surface of the key input section and is lighted in a plurality of colors. The key backlight lighting control section changes the lighting color of the key backlight in accordance with switching of character input modes. A cell phone is disclosed.

Abstract: A luminous key mechanism. A keycap moves with respect to a base plate and includes a transparent window. A light-emitting element is disposed under the keycap. A condenser is connected to the transparent window and opposes the light-emitting element. Light output from the light-emitting element is condensed by the condenser and output via the transparent window.

Abstract: A lighting module adapted for use in a keypad device includes a circuit substrate board, a transparent light guide plate stacked on the circuit substrate board, and at least one light emitting diode embedded in the light guide plate and connected electrically to the circuit substrate board. By having the light emitting diode embedded in the light guide plate, the overall thickness of the lighting module can be reduced to permit miniaturization.

Abstract: 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 light (93) through the translucent layer (74). The first light source (60) prevents light (91) projected from the second light source (65b) from entering a portion (74a) of the translucent layer. A method (250) for modal lighting in a device includes projecting light by a first light source through a translucent layer (260); projecting light by a second light source through the translucent layer (270); and preventing, by the first light source light, projected by the second light source from entering a portion of the translucent layer (280).

Abstract: 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 transmission space to the keyboard portion where light emission is desired to refract the light. The structure can be made at a lower cost and converge light to display the keyboard portion without illuminating the entire keyboard portion.

Abstract: A key module with a multi-layer light guiding structure includes a plurality of keys, light guiding structure and a plurality of light blocks corresponding to the light guiding structure. The light guiding structure includes a plurality of light guiding plates. Each of the light guiding plate includes at least one light guiding strip corresponding to specific keys, which are staggered to each other or corresponding to each other. The light guiding strip is provided with a color layer. An electronic device using the key module individually or selectively lights light emitting elements for each layer of the light guiding plates. Therefore, different lights are emitted from the light guiding strips or a mixed light is produced from the light guiding strips to illuminate the keys. The keys have lights of different color to manifest symbols or alphabets on the keys.

Abstract: An exemplary embodiment of a segmented light guide includes a light channeling layer having at least one slit dividing the light channeling layer into a plurality of segments, and at least one LED associated with the light channeling layer. The slit substantially prevents light from migrating in the segmented light guide between adjacent segments that are divided by the slit.

Abstract: 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-guiding plate has a chain-like light-shielding structure. The light-shielding structure is constituted of a plurality of penetrating holes with neighboring ones arranged alternatively and divides the light-guiding plate into two light-guiding sections. When the lights with different colors are introduced from the outside of the two light-guiding sections into the light-guiding plate, and the light of either light-guiding section passes through the light-shielding structure, the intensity of the light passing through the penetrating hole is so reduced that it cannot achieve the other light-guiding section, thereby to avoid the mutual interference and mixing of the lights of the two light-guiding sections.

Abstract: 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 and the illuminated module are moveably attached in a manner allowing relative motion which facilitates alignment when the illuminated assembly is placed within a receiving assembly. A garage door opener utilizes this adjustable design. A method of assembling the illuminated assembly is described.

Abstract: 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 information presentation structure (20) of photo chromatic material changing appearance when irradiated by light (28) of a specific wavelength, a second information layer (22) having a second information presentation structure (24), and a first light source (26) illuminating the second information layer for presenting the second information presentation structure, wherein the first information layer is of a material that is transparent for light emanating at least from the first light source when the first layer is not exposed to light of said specific wavelength.

Abstract: A keypad structure includes a circuit board, a reflecting plate, a second light guide plate, a second light guide plate, a shading strip, a first light guide plate, an elastic layer, a keypad module and a light source module. A shading strip is provided for attaching the second light guide plate to the first light guide plate. A hole at an overlapped position of the first and second light guide plates is provided for exposing the first light guide plate. A light emitting element of the second light guide plate is lit to project a single-color light onto a corresponding keypad. When the light emitting element of the first light guide plate is lit, different color lights are produced, such that a light transmission effect of single-color light or mixed multiple-color light occurs at the surface of the keypad corresponding to the first light guide plate.

Abstract: 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 forming an open region sized to receive a tip of a finger. A light emitter positioned on one side of the well emits a beam of light across the open region to an opposite side of the well. A light detector is positioned on the opposite side of the well to receive the light beam and to signal activation of the key when the light beam is obstructed from being received by the light detector. Each key is illuminated from within the well. When the key is activated, its illumination color can change. Upon release, the illumination color returns immediately or gradually back to a previous color or unlighted state.

Abstract: 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 the time of light emission, and control section which turns on the light emission section (step S4) when the hinge mechanism is closed at the time that there was an incoming call (step S2) are disposed. By this means, since the push button for opening the hinge mechanism is lighted up when a portable communication terminal apparatus was folded at the time that there was an incoming call, it becomes possible for a user to easily recognize that the user simply depress the push button for the purpose of a talk over the phone.

Abstract: A light guide structure installed in a keypad includes a light guide plate and a plurality of light emitting components. The light guide plate has a plurality of light guiding areas, each having a center light guiding circle with a plurality of light guide rings extended outward. The light guiding area and the adjacent light guiding area form light guide rings connected with an intersection, and the center light guiding circle and the light guide rings have a plurality of arc light guiding particles. The light emitting component is installed under the light guide plate and at the corresponding center position of the center light guiding circle. If the light emitting component is lit, light is projected onto the light guide plate and refracted by the light guiding particles to produce a light transmission effect for showing a number or a figure on the surface of the push button.

Abstract: 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 engraved patterns are formed in a plurality of requirement character shapes so that light can be diffused and scattered at desired luminance from a necessary light emitting portion, using a minimal number of light sources. The light emitting unit is installed at a side wall of the light guide plate.

Abstract: An exemplary process for making a light guide includes the steps of: providing a transparent base sheet; punching the base sheet to form an array of first apertures therein; coating a melted resin material in the first apertures and making the melted resin material fill up the first apertures; solidifying the melted resin material to form a plurality of resin blocks; punching the base sheet to form an array of second apertures in the resin blocks, the second apertures configured for illuminating the keys via at least one light source; and trimming the base sheet with the second apertures to form a light guide. A light guide made by the process is also provided.

Abstract: 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. The plurality of openings is formed outside any area directly beneath the one or more keys. The light source is disposed adjacent to the light guide plate.

Abstract: 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 light (93) through the translucent layer (74). The first light source (60) prevents light (91) projected from the second light source (65b) from entering a portion (74a) of the translucent layer. A method (250) for modal lighting in a device includes projecting light by a first light source through a translucent layer (260); projecting light by a second light source through the translucent layer (270); and preventing, by the first light source light, projected by the second light source from entering a portion of the translucent layer (280).

Abstract: A keypad printed circuit board (PCB) assembly for a mobile phone integrated with a light guide plate providing a light-emitting function using a light emitting diode (LED) and the light guide plate is provided.

Abstract: 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 therebetween, notch portions are provided at the bottom surface side of the barrier wall and the bottom surface sides of the adjacent side walls of the peripheral walls with the barrier wall interposed therebetween, and a space portion, which becomes an optical path toward the display surfaces of the first and second operation members, is formed between the top surface of the insulating substrate and the notch portions through the notch portions.

Abstract: 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 sandwiched between the two boards (102, 108), the lightguide having window protrusions (112) to accommodate the LEDs (104). The keypad board (108) has openings (116) within which the window protrusions (112) align in order to provide backlighting and sealing to the communication device (200).

Abstract: 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-emitting unit provides a first light to the sub screen. When the display device uses the main screen, the first and the second light-emitting units respectively emit a second light and a third light, and a first aggregate light comprising the second light and the third light is provided to the main screen.

Abstract: 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 film 71 formed over a front surface thereof, the light blocking film 71 being partly cut out to form a light transmitting pattern 72 representing a character. LEDs 8 are arranged below the key tops 7. Each of the key tops 7 has a semitransparent screen 9 formed on a rear surface thereof in an area to be illuminated with LEDs 8 and extending only over a region opposed to the light transmitting pattern 72.

Abstract: 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 comprises a housing defining an outer surface and a cavity therein. The housing comprises at least one translucent portion adapted for the transmission of light from the cavity to the outer surface of the housing. At least one control feature is provided to operate transmitter electronics and/or the light source housed in the cavity. The light source produces light within the cavity, the light being then guided from the cavity to the surface by a translucent portion of the housing. The illumination provides the user with an increased ability to see or be seen in the dark and provides illumination that is visually appealing.

Abstract: 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 regions at bottom surface edges of the resin key tops allowing their displacement when they are depressed.

Abstract: 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 pressed from outside, the light-transmissive pushbutton having outer key top 22 and presser 25 formed with rubber sheet 24 for contacting metal sheet contact 26, and light-emitting elements 27 disposed on board 28 around presser 25 for applying light to a side surface of the presser 25. Presser 25 has a conical shape having an upper surface as a bottom surface substantially aligned with a lower surface of key top 22 and a vertex for contacting metal sheet contact 26. Light emitted from light-emitting elements 27 is applied to the entire side surface of presser 25.