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7614778 |
Backlight unit and driving method thereof, and liquid crystal display device having the backlight unit
A liquid crystal display device, backlight unit, and method of driving a backlight unit are provided. The backlight includes a lamp and an inverter that is operative to supply a driving voltage to...
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7607815 |
Low profile and high efficiency lighting device for backlighting applications
A light source having a flexible substrate and a plurality of dies having LEDs is disclosed. The light source can be conveniently utilized to provide an extended light source by bonding the light...
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7607800 |
Backlight unit and liquid crystal display with the same
A backlight unit and a liquid crystal display device including such a backlight unit are provided. According to an embodiment, there is provided a backlight unit comprising a plurality of light...
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7602371 |
System and method for portable information handling system integrated backlight control
An information handling system inverter powers a display backlight at variable brightness levels determined by a brightness module integrated in the inverter. The brightness module sums a user...
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7599012 |
Luminous display device
In the rear of a liquid crystal display arranged with an inclination to a line of sight reflected by a concave mirror, a backlight and a focusing lens member are arranged in such a manner that the...
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7589803 |
Backlight unit and liquid crystal display module using the same
This invention relates to a backlight unit that prevents a wrinkle of an optical sheet, and a liquid crystal display module using the same. A backlight includes at least one light source. A light...
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7588364 |
Spread illuminating apparatus of multiple panel type
A spread illuminating apparatus includes a plurality of lighting units each of which includes a light conductor plate having a light outlet surface and a light inlet surface, and a light source...
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7585078 |
Illumination system capable of eliminating laser speckle and projection system employing the same
Provided are an illumination system capable of eliminating laser speckle and a projection system employing the illumination system. The illumination system includes a laser light source having at...
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7581863 |
Laser light source adapted for LCD back-lit displays
A light source and a display utilizing the same are disclosed. The light source includes a laser, a light pipe, and an optical fiber. The light pipe includes a layer of transparent material having...
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7566145 |
Direct type illuminating device
A direct type illuminating device includes a light source unit, a reflector plate, a diffuser plate, and a lens module. The light source unit provides source light beams. The reflector plate and...
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7561216 |
Operating device for an electrical appliance and electrical appliance having such an operating device
In an operating device for a cooktop with a liquid crystal display with two LCD plates, on the top of the lower of the two LCD plates is directly applied a microcontroller in the form of...
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7559682 |
Backlight module with detachable light source set
The present invention provides a backlight module used for a liquid crystal display. The backlight comprises a back plate having a first track set, a detachable light source set disposed on the...
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7551430 |
Handheld computing device having drop-resistant LCD display
A display for a handheld computing device includes a LCD display panel; a display circuit board carrying display electronics for the display panel; a cover assembly securing the display panel to...
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7548672 |
Fiber-based light source device
The present invention provides a fiber-based light source device, which includes a plurality of first, second or third light-emitting devices for respectively emitting a plurality of first, second...
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7543974 |
Light redirecting film having variable thickness
A display comprises a light source and a light redirecting polymeric film containing a structured surface on at least one side of the film and bearing a polymeric coating over at least part of the...
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7543970 |
Flat light source
Each point light source includes an overhang projecting perpendicularly to a light emitting surface from one side of the light emitting surface, and the overhang has its main surface made in...
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7537347 |
Method of combining dispersed light sources for projection display
A method and system for combining light emitted by dispersed light sources for use in a projection display or similar system. A plurality of elongated and tapered light integrators are placed side...
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7534026 |
Light source device, display device, and terminal device
In a display device equipped with a light source device, a second light-guide member is provided to the back surface of a first light-guide member that has an emitted light control sheet provided...
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7534023 |
Backlight unit
A backlight unit having a supplementary lamp for a smooth starting operation includes multiple light-emitting lamps arranged in one direction on a cover bottom; an inverter printed circuit board...
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7534007 |
Backlight module
A backlight module is disclosed. The backlight module includes a back plate, a diffuser and a supporter. The diffuser is disposed over the back plate. The supporter is disposed between the back...
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7530726 |
Light redirecting film having discontinuous coating
The invention relates to a display comprising a light source and a light redirecting polymeric film containing a structured surface on at least one side of the film and bearing a discontinuous...
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7530702 |
Display over gage instrument cluster
A motor vehicle instrument cluster comprising an analog indicator assembly having a pointer rotatably coupled to an actuator for a movement by the actuator, and a display assembly including a...
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7527417 |
Two-way backlight assembly and two-way liquid crystal display apparatus having the same
In a two-way backlight assembly and a two-way LCD apparatus, the two-way backlight assembly provides light emitted from one light source to a first direction where a main LCD panel is placed and to...
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7527406 |
Backlight assembly and liquid crystal display device with reduced noise
A backlight assembly includes a receiving container, a first side mold, a printed circuit board and a plurality of lamps. The first side mold is on the side of the receiving container. The printed...
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7527401 |
Backlight module
A backlight module is provided. The backlight module includes a frame, a reflector, a plurality of light sources, at least one fan and at least one air vent. The frame has a lateral plate. The...
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7522136 |
Liquid crystal display device and driving method thereof
A liquid crystal display device and a driving method thereof for preventing a color distortion phenomenon in a field-sequential driving system are disclosed. In the liquid crystal display device, a...
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7520654 |
Adhesive stacking for multiple optical films
In a new packaging method for light management films in displays, such as liquid crystal displays, a stack of two or more optical films is held together before insertion into the display frame. The...
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7520637 |
Backlight unit and liquid crystal display device
A backlight unit and an LCD device are provided, in which an LED (light emitting diode) is used as a light source of the backlight unit, and the heat generated from the LED is rapidly discharged to...
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7515223 |
Display apparatus and light guide plate thereof
A display apparatus includes a panel, a first light source, a second light source, a first light guide plate, a second light guide plate, and a processor. The panel includes a first area for...
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7507010 |
Surface light source device and display device
A surface light source device includes a light source unit, a reflector that is disposed to surround the light source unit, and reflects radiation light from the light source unit, and a light...
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7507009 |
Light guide plate, and backlight module and liquid crystal display comprising the same
A light guide plate structure, for use with a back light module of a liquid crystal display, has a top surface, a bottom surface, a first end portion, a second end portion which is opposite the...
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7505109 |
Heat dissipation structure of backlight module
The heat dissipation structure of the backlight module of the present invention comprises a circuit board, a heat-conductive element (such as thermally conductive glue) and a light-emitting diode...
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7503685 |
Illumination unit and liquid crystal display device using the same
Illumination unit UT is used for the illumination of an LCD panel 1 from the rear side of the LCD panel 1 . Illumination unit UT includes light source 2 , rear cover 6 to cover light source ...
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7500775 |
System and method for providing ambient light to a display in an electronic device
The invention provides a device and method for providing backlight to a display in an electronic device. The device comprises: a housing; an ambient light collector; a backlight panel; a shutter;...
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7497609 |
Illuminating device and liquid crystal display apparatus
An illuminating device comprises a pair of light sources and a rod-like photoconductor. The rod-like photoconductor includes a pair of planes of incidence entered by the light from the light...
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7488087 |
Light guide and display including a light guide
A display comprises a backlight comprising different colored light sources, a transmissive display panel positioned adjacent to the backlight, and a light guide positioned between the backlight and...
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7484850 |
Illuminating device and projector
Aspects of the invention can provide an illuminating device and the like capable of efficiently supplying polarized light in a particular oscillation direction and suitable for a projector having a...
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7481567 |
Backlight assembly and liquid crystal display device using the same
A backlight assembly and a liquid crystal display device can discharge heat from the lamp unit to the outside or effectively dissipate the heat. The backlight assembly of the present invention...
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7481538 |
Illuminator and projector
An illuminator includes a polarization converter that converts source light into first polarized light, a polarization separation member that separates the first polarized light of from the...
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7478942 |
Light guide plate with light reflection pattern
A light guide plate includes a light incident surface for receiving light, first and second light emission surfaces for emitting light at a first light emission angle with respect to the first and...
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7478930 |
Backlight unit with an oxide compound-laminated optical layer
A backlight unit includes a substrate, a plurality of light sources arranged on the substrate in a spaced-apart relationship with one another for irradiating lights, a total reflection layer for...
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7470053 |
Back light module having concave-down luminance distribution
Several optical mechanism designs for making luminance of the outer portion of a back light module of edge lighting type to become higher than luminance of the inner portion of the back light...
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7465079 |
Extended avionics LCD backlight
An aircraft avionics display assembly comprises a first and second liquid crystal display, each operable to display avionics flight data in an aircraft. A backlight is operable to backlight both...
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7458712 |
Light guide plate and liquid crystal display device having the same
A liquid crystal display device includes a liquid crystal display panel. A light guide plate is disposed at a rear side of the liquid display panel. The light guide plate has an exiting surface...
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7455410 |
Illuminating apparatus and projector
An illuminating apparatus includes: a light source that emits a source light; and a light guiding module that has an overlap rod portion which can pass luminous fluxes traveling in different...
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7452119 |
Lighting device, liquid crystal display device, and electronic apparatus
A lighting device of the invention includes: a plurality of light sources; and an optical waveguide, wherein light emitted from the plurality of light sources is incident from a side of the optical...
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7452118 |
Area light source
Area light source 10 used for LCD device 1 includes light guide 12 and LED devices 18 and 19 disposed at a side portion of light guide 12 . A light receiving portion at a side edge...
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7436657 |
Keyboard illumination device for portable computer
The present invention is directed to a device for illuminating a keyboard or other portion of a PC main body unit of a portable computer (e.g., a convertible PC that can be used as a notebook PC or...
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7434976 |
Double-side display device with surface light source device having deflection patterns
A double-side LCD having a surface light source device including a light guide plate and a light source facing one end face of the light guide plate. A plurality of deflection patterns are formed...
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7429111 |
Two-panel color management system
The invention provides a two-panel color management system for projection display applications, wherein color sequencing is accomplished using achromatic beam switching and static color separation....
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