Abstract: A planar lighting device includes: a plurality of point light sources; a circuit board provided with the point light sources; a light guide plate including an end surface along which the point light sources are disposed in a facing manner and a surface to which a portion of a front end of the circuit board is fixed; and a fixing member that fixes the circuit board to the light guide plate. The fixing member includes: a plurality of small-piece double-sided adhesive members; and a single-sided adhesive member that integrates the plurality of small-piece double-sided adhesive members.

Abstract: A system and its design variations using heat pump to generate useful warm and cool usages for multi functional mobile projector is exposed; the purpose is two folds: first is to reduce the excessive heat, in order to increase the brightness; the second is to reuse the energy, so to extend the functionalities. The key component used is silicon based heat pump, which can convert the electrical energy to heat energy. Different shaped heat or cool fins are designed to match the multiple use cases. One sample implementation using digital serial interface is described in details.

Abstract: A liquid crystal display device 10 of the present invention includes: LEDs 22; LED substrates 24 to which the LEDs 22 are attached; a liquid crystal panel 11 where display is performed using light from the LEDs 22; a light guide plate 16 that is arranged so as to overlap the side of the liquid crystal panel 11 opposite to the display surface, the edge faces of the light guide plate facing the LEDs 22; a chassis 14 arranged on the side of the light guide plate 16 opposite to the liquid crystal panel 11; a frame 13 arranged on the display surface side of the liquid crystal panel 11 and housing the LEDs 22, LED substrates 24, liquid crystal panel 11, and light guide plate 16 between the chassis 14 and the frame itself; and heat dissipating members 18 with heat dissipating characteristics that are respectively arranged abutting the LED substrates 24 and that are held between the frame 13 and the chassis 14.

Abstract: A novel handheld media and communication device with a detachable projector unit is disclosed. A media library for media assets is included in a file storage system of the projector unit while metadata of the assets is stored in a file storage system of the media and communication device. The device is used as a remote control device to control the operation of delivering media assets through the projector unit after the unit is detached from the device. The projector unit may also be used to connect to a media delivery unit such as a desktop projector, a TV terminal or an audio system for delivering media assets.

Abstract: This display device includes a display portion, a first frame including an engaging protrusion portion, and a second frame including an engaging hole, while the engaging protrusion portion of the first frame includes a first engaging portion engaging with the engaging hole to regulate movement of the first frame in a second direction separating from the second frame and a second engaging portion engaging with the engaging hole to regulate movement of the first frame in a fourth direction opposite to a first direction with respect to the second frame.

Abstract: A display device includes a display component, a light source, a light guide plate, a spacer member, and a biasing member. The display component displays images. The light source emits light. The light guide plate guides the light emitted from the light source to the display component. The light guide plate has a light incident face on which the light emitted from the light source is directly incident. The spacer member is disposed in a region other than where the light guide plate and the light source are opposite each other such that the spacer member maintains a specific spacing between the light source and the light incident face of the light guide plate. The biasing member is arranged to bias one of the light source and the light guide plate towards the other of the light source and the light guide plate.

Abstract: According to one embodiment, an electronic apparatus comprises a housing with a display, a printed wiring board, and a lens. The housing comprises a side surface with an opening. The printed wiring board positioned in the housing along with a light-emitting portion on the printed wiring board. The lens is situated adjacent to the printed wiring board and comprises a light guide configured to guide light from a plurality of light-receiving portions to the opening.

Abstract: A digital display device including an electronic display screen. The device has a frame and a support extendable rearward from the digital display device. The support includes a corner portion and two elongate members extending from the corner portion in two substantially mutually perpendicular directions to respective mounting portions. The mounting portions are hinged respectively to two adjacent sides of a rear face of the frame along a common axis and at respective positions allowing the elongate members to fold flat to the rear face of the frame.

Abstract: In one embodiment, a television receiver includes a housing, and a supporting member accommodated in the housing, including a first supporting surface, a second supporting surface located on an opposite side of the first supporting surface, a first end portion, a second end portion located on an opposite side of the first end portion, a third end portion connecting the first and second end portions, and a fourth end portion located on an opposite side of the third end portion, and including a plurality of openings penetrating from the first supporting surface to the second supporting surface. In addition, the supporting member includes a beam provided between the openings, and the beam includes a first beam portion which is parallel to the first or third end portion, and a second beam portion which is not parallel to the first and third end portions.

Abstract: A projector includes a main body and an optical assembly. The main body forms an image and projects the image to a first screen through a lens of the main body. The optical assembly is detachable from the light path of the lens, and is used for reflecting light beams emitted from the lens to project an image on a second screen when the optical assembly is in the light path of the lens. When the optical assembly is detached from the light path of the lens, the optical assembly projects the image on the first screen. The first screen and the second screen are on two adjacent perpendicular surfaces, such as a wall and a ceiling.

Abstract: According to one embodiment, a television apparatus includes, a printed wiring board provided with a cutout portion, a plurality of first light emitting diodes provided on the printed wiring board and configured to emit light parallel to the printed wiring board, and a lens. The lens includes a plurality of light receiving parts fitted in the cutout portion in such a manner as to correspond to the first light emitting diodes, respectively, and a display part configured to display the light which has entered through the light receiving parts.

Abstract: In a displays system provided with a large-sized display apparatus and a pedestal for supporting the display apparatus, a space of the pedestal is effectively used while preventing a fall of the pedestal effectively. The display system has a display apparatus and a pedestal for supporting the display apparatus. Further, a plurality of electronic equipment (such as scanner apparatus, a printer, not-shown control apparatus) are disposed so as to be drawable frontward with respect to the pedestal. In addition, the display system includes a restriction mechanism for restricting, when at least one of the electronic equipment is drawn out frontward, so that at least one of other electronic equipment can not be drawn out frontward.

Abstract: An exemplary slide mechanism (100) includes a rear cover (10), a front cover (20), and a magnetic assembly (80) connected to the rear cover and the front cover. The front cover is slidably attached to the rear cover. Each of the at least one magnetic assembly includes a first magnetic member (44) and a second magnetic member (74). A magnetic force created between the first and second magnetic members forces the front cover sliding relative to the rear cover. The magnetic members are arranged such that the height of the space occupied by the magnetic members is less than an arithmetic sum of the height of each of the magnetic members.

Abstract: A display apparatus, comprises a filter unit 33 attached on an air inlet opening 28a, having such a filter 36 that a suction negative load generating at the air inlet opening 28a formed in an upper cabinet 3 comes to be smaller than the suction load generating at gaps 29a and 30a defined in the upper cabinet 3, when driving a cooling unit 18, for sucking an air from the upper cabinet 3 and discharging the air used for cooling into the upper cabinet 3, when cooling down optical parts, such as, display devices 15R, etc., and a polarizing plate 16R, etc., of an optic unit 9.

Abstract: According to one embodiment, a front frame forms a cabinet, and a display screen of an image display unit is arranged to be exposed from an opening at the center thereof. A frame forming portion is located at the lower part of the front frame, and sound emitting units which open elongatedly in a longitudinal direction of the frame forming portion are formed. A cabinet surface is formed continuously to the bottom side of the opening and is tilted and retreated while being bent in a direction of the back face of the front frame as it goes downwards.

Abstract: Front cabinets of different sizes have been prepared for each of display apparatuses of different screen sizes. A front cabinet 20 of a size capable of accommodating each of a PDP 31 and a PDP 32 of different screen sizes is provided and it is made possible to select, depending on whether the display accommodated therein is the PDP 31 or the PDP 32, one of a decoration frame 11 whose size of opening corresponds to a screen 31a of the PDP 31 and a decoration frame 12 whose size of opening corresponds to a screen 32a of the PDP 32 is selected and attached to the front cabinet 20. Therefore, one type of front cabinet 20 can be used in each of the cases where the PDP 31 or the PDP 32 is accommodated therein. Thus, the cost for manufacturing plasma televisions of different screen sizes can be reduced.

Abstract: A thin projection type image display device with a low chin height includes a cabinet, a screen, a projection optical system, an optical path changing unit, and a reflecting unit. The screen is disposed on a front side of the cabinet. The projection optical system enlarges and projects an image formed by a display element, and the optical path changing unit is disposed on the bottom of the cabinet to reflect the image enlarged and projected by the projection optical system. The reflection unit is disposed obliquely to the screen and below the screen to reflect the image reflected by the optical path changing unit toward the screen. The projection optical system is disposed in a space above a horizontal plane perpendicular to the screen, behind the front side of the cabinet, and below an optical path of light incident on a bottom of the screen.

Abstract: A projector for image projection, includes: an optical element included by an optical system to project an image; a tripod that supports the projector; and a tripod-fixing part that is connected with the optical element and fixes the tripod, wherein the tripod and tripod-fixing part are each constituted by a heat-conductive member.

Abstract: An optical engine is provided that includes a base frame, a video device assembly for generating a video signal, and a driving substrate detachably coupled to the video device assembly for driving the video device assembly. The driving substrate is coupled to the base frame such that the video device assembly is disposed therebetween. A first coupling unit couples the driving substrate and the video device assembly to the base frame such that a position of the video device assembly with respect to the base frame is adjustable. A second coupling unit couples the video device assembly to the base frame to secure the adjusted position of the video device assembly to the base frame. The optical engine, and an image projecting apparatus having the same, allow the driving substrate to be replaced without adjusting a position of the video device assembly.

Abstract: Conventionally, it was difficult to maintain parallelism between an optical filter and a PDP, and also the weight of the optical filter was put on the PDP. With a PDP 10 and a frame 30 separately fixed to a bracket 20 connecting to a leg member 60, fix an optical filter 80 to the frame 30. As a result, the optical filter 80 is fixed with required parallelism maintained with the PDP 10, and also the optical filter 80 and the PDP 10 will not put their weight on each other, thus eliminating unnecessary loads on the optical filter 80 and the PDP 10. Also, unnecessary flaws and distortions in a casing 40 can be prevented during the product manufacturing.

Abstract: A multi-direction image viewing system includes a triangular or rectangular image case, and plural projectors symmetrically installed to the inner sides of the image case in three or four directions. Projecting light paths cross each other so that the size of the image case is reduced to 1/6.7 to ? of the size of the conventional image case. By reducing the weight of the image case through size reduction, the multi-direction image viewing system can serve as a mobile multi-direction image viewing system coupled with a trailer and transported by a small sized vehicle such as a motorcycle, as a wide viewing angle multi-direction image system attached to a wall and coupled with the safety fence of the bus terminal or the subway station, and as an image viewing system mounted to a ceiling or wall.

Abstract: An image display, includes: an image display section for forming and displaying an image in accordance with image information to be input; and a casing for housing the image display section, in which the casing includes: a lateral portion visible from an outside, the image display section being exposed from the lateral portion; and a bottom portion extending from a lower end of the lateral portion toward a rear side of the device, an opening for introducing air outside the casing is formed in the bottom portion, and an air filter for cleaning the air passing the opening is provided at the opening such that the air filter can be inserted to/removed from the lateral portion.

Abstract: A projection display apparatus (1) includes slide bases (106) which are able to protrude from a housing (101). A screen unit (103) is supported by rotation plates (107) rotatably provided on the slide bases (106). The attaching and detaching operations of the screen unit (103) can be performed in a state where the slide bases (106) protrude from the housing (101) and the rotation plates (107) rotate to an operating position. In this operating position, the screen unit (103) is supported by the rotation plates (107) from below, so that the screen unit (103) can be prevented from being dropped on the floor, and therefore the reliability of the operations can be enhanced.

Abstract: A screen assembly for a projection television includes a screen panel, a lenticular screen and a Fresnel screen. The screen panel is attached directly to the television cabinet and sandwiches the Fresnel and lenticular screens therebetween. The screen panel projects laterally beyond the lenticular and the Fresnel screens and a recess may be provided in the television cabinet to receive the Fresnel and lenticular screens, so that the screen protection panel overlaps the front face of the cabinet sidewalls. In an exemplary embodiment, decorative bolts pass through the screen panel to secure the screen panel to the cabinet.

Abstract: A projection television (TV) and a mold for molding a cabinet of the same are capable of reducing the number of parts and simplifying a production process. The projection TV includes a cabinet that has an upper space holding a mirror and a lower space holding an optical unit, wherein the cabinet has a rear part supporting the mirror, a partition partitioning an inner space thereof into the upper space and the lower space, a front part closing a front of the lower space, and a base located at a bottom of the lower space, all of which are integrally molded.

Abstract: A screen assembly for a television includes a front screen panel, an opaque masking layer applied to a perimeter of the front screen panel to define a masked perimeter area framing a viewable area of said screen assembly, and at least one touch control operatively coupled to the front screen panel in the masked perimeter area. Indicia identifies the location and/or function of the touch screen control.

Abstract: The present invention relates to an optical engine of a projection television in which a path of illumination emitted from a light source is aligned to correspond with the image producer by turning a screw of a mirror device. The object of the present invention can be achieved by an optical engine of a projection television including a light generator, a mirror device for reflecting illumination emitted from the light generator thereby changing a path of the illumination, in which a reflection angle of the illumination can be adjusted, and a projection apparatus for enlarging and projecting the image produced in the image producer on the screen by reflecting the image to an incident illumination from the mirror device, wherein the path of the illumination is aligned to correspond to the whole image produced in the image producer to be projected on the screen by adjusting the mirror device.

Abstract: A projection television including: a screen having a plurality of image-forming sheets and an anti-dust film having a first side disposed between the image-forming sheets and a second side disposed at a front of the screen, and being detachable from the screen.

Abstract: An optical system includes a lens assembly fixed to a base for projecting an image light onto a surface; a DMD assembly movably disposed at one side of the lens assembly for reflecting the light irradiated from a light source onto the lens assembly; supporting members disposed at the one side of the lens assembly for supporting the DMD assembly; and an adjuster for moving the DMD assembly to adjust a tilt. The adjuster includes a guide member having a screw hole and fixed to the base; an adjusting screw driven into the screw hole for moving the DMD assembly along a lengthwise direction of the guide member; and a push rod having an end connected to the DMD assembly and another end connected to the adjusting screw. The DMD assembly is movable by adjusting the adjusting screw so that a tilt angle can be easily and precisely adjusted.

Abstract: A projection television including a CRT assembly projecting image beams and a reflecting mirror reflecting the image beams. The projection television has a support casing having support frames provided on both sides thereof below the reflecting mirror, receiving and supporting the CRT assembly, and a lower frame coupled to the bottom of each support frame, supporting the support frame. With this configuration, the present invention provides a projection television having a support casing whose weight is reduced, thereby facilitating transportation thereof and reducing the cost of production and transportation, etc., and further being unlikely to be deformed or deteriorated because of changes in temperature and humidity.

Abstract: A spring mounting clip is provided that preferably includes a spring arm coupled to and extending from a mounting base. The spring arm bends aside as the mirror is pressed against the back wall of a PTV enclosure and spring back to its original unstressed position once the mirror engages a notch in the lower arm portion. The notch preferably includes a locking surface that abuts and constrains the mirror. Alternatively, a spring mounting clip is provided that includes a spring lever arm coupled to and extending between a pair of support legs, which extend up generally at right angles from mounting feet. In operation, the arm, which includes a locking member moves inwardly toward the support legs as a mirror or other object presses against the arm and moves outwardly or freely springs away from the support legs once the mirror or object passes a transition region of the lower portion of the arm and is received by the locking member.

Abstract: A rear projection television includes a casing with a space therein and a plurality of modular units. A plurality of maintenance holes are formed through the casing to communicate with the space. The modular units are positioned in the space to correspond to the maintenance holes. When one component inside the casing needs repairing, only a lid covering the corresponding maintenance hole is dismounted for the user to quickly take the component out, without moving the casing. Thereby, the repair process is simplified with saved repair labor and space.

Abstract: It is an object of the present invention to share a projection unit which is a principal component of a rear-projection type imaging device and a chassis are mounted to thereby share a molding die of a base cabinet. Upper cabinets 3 are molded according to the inch size of a screen 7. A chassis 25 is shared. A base cabinet 5 is molded with a common molding die, nesting dies are built in according to the width of an upper cabinet 3 and adjustment sections 22 are formed as a single piece on both sides of the base cabinet 5. Adjustment sections 22a disposed on both sides of a back cover 6 and a decorative panel 26 fixed to the front of the base cabinet 5 are molded separately so as to match the width of the upper cabinet 3 to the width of a lower cabinet 4.

Abstract: A rear-project video assembly with a foldable reflector includes a housing and a screen mounted in a first side of the housing. A reflector has one side pivotally connected to a second side of the housing for reflecting image to the screen. An overhead projector is mounted on a bottom of the housing for projecting image to the reflector and a drive device is mounted between the screen and the reflector for expanding the reflector when using the reflector and backward moving the reflector after using the reflector to reduce the volume of the rear-project video assembly. A bellows is mounted between the peripheries of the second side of the housing and the reflector to prevent the foreign matter and the light ray from entering the housing.

Abstract: An assembled housing of rear projection television comprising a foldable main framework and a foldable back cover is disclosed. The main framework is a flat structure as folded, while the main framework forms a ring structure as unfolded. The ring structure includes a front opening and a back opening, while the back cover is positioned in the back opening to form a chamber. The foldable design of the housing facilitates the users and the vendors to assemble the rear projection television, and also reduce the hardware space occupied by the housing, so as to reduce the cost of transportation compared to a traditional rear projection television.

Abstract: A projection television having a CRT assembly projecting image beams and front and rear casings, respectively provided in a front and a back of the CRT assembly, and further having a pair of CRT brackets provided between the front and rear casings, to support the CRT assembly. The CRT bracket is made of a conductive metallic material, thereby reducing deformation and deterioration because of changes in temperature and humidity, discharging heat generated from the CRT assembly, and blocking EMI.

Abstract: A screen fastening device of a projection television having a front cabinet including a front window of a case, a screen for penetrating or forming an image, a fastening bracket for fastening the screen to the front cabinet, a mating portion for removably fastening the fastening bracket, which has one or more hooking protrusions formed on the fastening bracket, and a hooking protrusion receiving portion formed on the front cabinet to correspond to the hooking protrusion, to the front cabinet, and a supporting member for supporting and holding the fastening bracket for the mating portion to firmly fasten the fastening bracket to the front cabinet is provided. The screen fastening device can improve the workability and productivity as it can fasten or unfasten without using screws on the front surface of the projection television by the mating portion and the supporting member.

Abstract: A cabinet for a projection television system, the cabinet including a one-piece molded structure for mounting the components, and reference surfaces unitary with the structure, for mechanically aligning critical optical components of the television system with one another.

Abstract: The invention provides a projection device comprising a screen constituted in a layered structure with a light-transmissive screen panel and a light-transmissive reinforcing panel, wherein a front panel in the screen has a plane wider than residual panels on the back of the screen, an image projector for projecting an image on the screen, a screen frame fit on the peripheral edges of the residual back panels with a plane smaller than the front panel, a double-side adhesive tape inserted between residual back panels and the screen frame for uniting them together, a single-side adhesive tape applied across the peripheral edges of the front panel and the screen frame for uniting them together, and a housing for accommodating therein the image projector and for holding at its opening the screen via the screen frame so as that the front panel of the screen exposes outside.

Abstract: In a configuration in which a cabinet is formed by an insulating material, there are provided a filter substrate 3 for electrically connecting a DVD device 1 to a television circuit substrate 5 and a shielding case 2 for covering the DVD device 1 and the filter substrate 3.

Abstract: Disclosed is a structure of a projection television comprising a screen, a front panel, a supporting part upon which an image forming device is mounted, an one-piece cabinet having an upper opening for the screen and a lower opening for the front panel, and upper and lower back covers provided at the rear of the one-piece cabinet.

Abstract: A shielding apparatus of projection television is disclosed. A metal shield casing made of metal plate members shields an optical block and a circuit block. Metal plate printed board holding sections are connected to the metal shield casing detachably at predetermined intervals, and hold the printed board. Connection sections of the metal shield casing elastically contact with the printed board holding section, and connect so as to conduct electrically with the metal shield casing. Further, a part of the metal plate casing of the printed board holding section is elastically fixed to the metal shield casing through the connection section, and shields the optical block and circuit block. Thus, the shield casing excellent in shielding effect of high frequency circuit and easy in servicing is presented.

Abstract: A projection display device that is more compactly composed as compared with a conventional device by reducing the total width of a device, that is, the length between the rear of outer case and screen. The projection display device comprises an optical engine for projecting a light beam; a projection lens for magnifying and projecting the light beam projected by the optical engine; a reflection mirror for reflecting the light beam, magnified and projected through the projection lens, on the full screen of a screen; a screen for realizing an image using the light beam reflected by the reflection mirror; and a lower cabinet for supporting the screen, wherein a part of the optical engine mounted in the lower cabinet is protruded by a predetermined length in front as compared with the screen.

Abstract: A rear projector has a lower cabinet disposing an image generator and an upper cabinet for a screen body to be mounted, two woofer boxes being mounted on the front side of the lower cabinet and high-pitched sound speaker boxes being respectively mounted on the right and left lateral sides of the upper cabinet, so that, since the woofer box is disposed in the lower cabinet, vibration is not easily transferred to a screen body on the upper cabinet and a reflection mirror inside the upper cabinet, thus avoiding flicker of the image on the screen body even when great volume of sound is outputted by the woofer box.

Abstract: A system and method that facilitates the transformation of PTVs, when in the “OFF” mode, into aesthetically pleasing decorative furniture. The PTV preferably includes a primary and a secondary projection system. The secondary projection system preferably comprises a projection unit optically coupled to the screen of the PTV and an auxiliary image source coupled to the projection unit. Preferably, the program logic of the PTV directs the projection of an image from the secondary projection unit onto the screen when the PTV is in the “OFF” mode.

Abstract: An enclosure for a projection television set is provided that includes an upper compartment to house a mirror and a screen, and a lower compartment attached to the upper compartment. The lower compartment preferably includes a front panel, a rear panel, and a plurality of side panels wherein at least two side panels have an attachment region for a bracket of an optical unit. The attachment region may be angled surfaces designed to aim the optical unit toward the mirror of the projection television set. The attachment region may also be angled openings for insertion of first and second ends of the bracket of the optical unit therein, the angled openings configured to aim the optical unit toward the mirror. Alternatively, the attachment region may include a member having an elongate body with a top surface, a bottom surface, a first end, a second end, and a notch extending between the ends along the top surface of the elongate body, wherein the notch engages the bracket of the optical unit.

Abstract: Disclosed is a structure of a projection television comprising a screen, a front panel, a supporting part upon which an image forming device is mounted, an one-piece cabinet having an upper opening for the screen and a lower opening for the front panel, and upper and lower back covers provided at the rear of the one-piece cabinet.

Abstract: A CRT support panel for a projection television set is provided that includes a generally vertically extending body, a mounting foot extending from the base of the body and a handle extending from the top of the body. The body preferably has a thin walled open corrugated profile. The corrugated profile enables the cross-section of the panel to be increased to significantly increase it strength to guard against buckling without significantly increasing its weight. The panel, which is preferably plastic injection molded as a unitary part, tends to have sufficient flexibility to guard against shock and vibration damage during transportation.

Abstract: A rear projection television includes a casing with a space therein and a plurality of modular units. A plurality of maintenance holes are formed through the casing to communicate with the space. The modular units are positioned in the space to correspond to the maintenance holes. When one component inside the casing needs repairing, only a lid covering the corresponding maintenance hole is dismounted for the user to quickly take the component out, without moving the casing. Thereby, the repair process is simplified with saved repair labor and space.

Abstract: A casing structure of a rear projection display apparatus includes a substrate, a rear cover and a screen frame. An electronic module and an optical module are mounted on the substrate. A bracket is mounted on a front side of the substrate. The rear cover is fixedly assembled with the substrate via a slot, a flange and a screwing element. The screen frame is mounted on a front side of the rear cover. A panel and a speaker lid cover the bracket of the substrate to accomplish the casing structure. When components inside the casing structure are to be adjusted, only the panel needs to be removed, without changing the positions of the components inside the casing structure. Thereby, adjusting time is saved.