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Class 349/68 - With plural diverse light sources (e.g., for day and night)


Subclass of Class 349 - Liquid crystal cells, elements and systems
Definition: Subject matter wherein two or more different types of lights
No. of patents: 156
Last issue date: 05/15/2012


1        
NumberTitleIssue Date
8179499Liquid crystal display device
A liquid crystal display device capable of reducing a time delay in lighting of the liquid crystal display device includes a liquid crystal panel, at least one fluorescent lamps disposed below the liquid crystal panel, formed as a cylindrical shape having a central ...
05/15/2012
8149352Backlight unit and liquid crystal display device having the same
A backlight unit which prevents an initial driving malfunction is disclosed. The backlight unit includes: a bottom cover opened upwardly; a reflective sheet disposed in the inner surface of the bottom cover; a plurality of lamps arranged in a fixed interval on the r...
04/03/2012
8054408Liquid crystal display
A liquid crystal display is disclosed. The liquid crystal display includes a first backlight source, a second backlight source and a liquid crystal panel. The first backlight source provides magenta backlight and the second backlight source provides green backlight....
11/08/2011
8054409Liquid crystal display
A light-emitting device including a light-spreading device having a wing-shaped protrusion part, a light-entering surface that includes an uneven surface, and a recess located away from the light-entering surface; an optoelectronic device disposed under the uneven s...
11/08/2011
8045096Lighting unit including alternately arrange first and second light sources, backlight unit, liquid crystal display device
In a lighting unit, fluorescent lights and LEDs of different spectroscopic characteristics are alternately arranged in a direction X on an irradiation plane. Light sources of equal light intensity are arranged in a certain pitch for the fluorescent lights such that ...
10/25/2011
8040465External light illumination of display screens
Apparatus and methods for harnessing external light to illuminate a display screen of an electronic device are provided. The display screen may be illuminated using a light harness, a reflector, a translucent surface, or any combination thereof. The light harness ma...
10/18/2011
8013951Multi-view liquid crystal display and the driving method thereof
A multi-view liquid crystal display for different users to watch different images from different viewing angles is provided. The multi-view liquid crystal display includes a liquid crystal display panel, a first backlight module and a second backlight module. The fi...
09/06/2011
7924371Multimode display for NVIS compatible operation
A multimode display for night vision imaging system (NVIS) compatible operation including a display assembly including a display subassembly having a display component; and, a backlight printed wiring board (PWB) assembly positioned behind the display subassembly. T...
04/12/2011
7868972Light source unit, liquid crystal display having the same, and method thereof
A light source unit which can minimize current differences between a plurality of light emitting diodes (“LEDs”) includes a printed circuit board (“PCB”) which includes an active region that emits light and an inactive region that accounts for a remainder of...
01/11/2011
7830652Monitor and monitor correction apparatus thereof
A monitor correction apparatus and a monitor having the same are provided. The monitor having the monitor correction apparatus includes a display panel and a first frame. The first frame covers a perimeter of the display panel and defines a display area. The monitor...
11/09/2010
7777834Light source device, display device, terminal device, light source unit, and method for driving light source device
In a display device, white LEDs and bluish white LEDs are arranged in alternating fashion on the light-incident surface side of a light-guide plate. On the light-exit side of the light-guide plate is disposed a transparent/scattering switching element switchable bet...
08/17/2010
7750993Display device using light source and external light and having display unit hinged with main body
A display device using an external light, includes: a main body including a light source; at least one auxiliary light source; and a display unit. The display unit includes a first end hinged with the main body such that the display unit can be opened and closed. Th...
07/06/2010
7738054Liquid crystal display device
The liquid crystal display device with a simple configuration is capable of emitting light with a desired color temperature, achieving high light use efficiency, and displaying high quality images. The liquid crystal display device includes a planar lighting device ...
06/15/2010
7724321Liquid crystal display
A liquid crystal display having a backlight module, liquid crystal layer and a color filter layer is disclosed in the invention. An ultraviolet unit for emitting ultraviolet is disposed in the backlight module. The color filter layer is composed of a purity of pixel...
05/25/2010
7724322Virtual solar liquid crystal window
A display system includes a building, a wall enclosed within the building, and a light guide directing light from the exterior of the building to the wall within the building. A display is supported proximate the wall where the display includes a liquid crystal laye...
05/25/2010
7646449Backlight module and liquid crystal display using same
An exemplary backlight module (200) includes a light emitting unit (220). The light emitting unit includes a plurality of light sources (227, 228, 229) configured for providing color light beams respectively, and a mixer (222) configured ...
01/12/2010
7605881Liquid crystal display apparatus and control method thereof
An LCD apparatus includes a backlight array in which a plurality of light emitting devices illuminate an LCD panel with a plurality of colors; a backlight driver driving each light emitting device to emit light and adjust light intensity; a signal analyzer analyzing...
10/20/2009
7583332Color-filterless liquid crystal display device
A color-fliterless liquid crystal display device includes a plurality of pixel units, each pixel unit includes a first sub-pixel and a second sub-pixel. The liquid crystal display device includes a plurality of light sources, each for emitting light having various w...
09/01/2009
7535524Display panel with wavelength converting material and control interface to switchably control independent projection or non-projection of primary and secondary IMAGES
In one embodiment, apparatus is provided with a display panel, a wavelength converting material, and a light source. The display panel is provided with an interface to receive control signals defining one or more primary images that are projected from the display pa...
05/19/2009
7525611Night vision compatible display backlight
A system and method of backlighting a display using LEDs is night vision viewing compatible and requires no filters. The backlight includes an array of LEDs and a controller configured to selectively illuminate the LEDs in the array. The array of LEDs includes orang...
04/28/2009
7439984Image signal processing method, image signal processing apparatus, and image displaying apparatus
An image signal processing method for performing nonlinear compensation on an image signal to be fed into a display device (103). The characteristics of nonlinear compensation are changed according to the brightness of a place in which the display device (...
10/21/2008
7430028Viewing-angle adjustable liquid crystal display and method for adjusting the same
A viewing-angle adjustable liquid crystal display includes a display panel, a backlight unit, and a sidelight unit. The backlight unit is located under the sidelight unit, and the sidelight unit is disposed under the display panel. The sidelight unit includes a firs...
09/30/2008
7400314Display device
The display device has at least two set of maximum luminances including an image maximum luminance for displaying an image and an ordinary maximum luminance for displaying non-image information, the ordinary maximum luminance being lower than the image maximum lumin...
07/15/2008
7393128Planar light source device and display device using the same
A planar light source device includes a light source section having a plurality of light emitting diodes as a light source, and a light guiding plate guiding light from the light source section to emit planar light. The light emitting diodes being turned off detect ...
07/01/2008
7367704Light guide plate and backlight module using same
A light guide plate includes having a block body includes a bottom surface, a light emitting surface on an opposite side of the light guide plate to the bottom surface, at least three spaced light incident surfaces, and at least three fresnel lens portions provided ...
05/06/2008
7369327Variable optical-property element and optical apparatus including the same
A variable optical-property element includes a liquid crystal the pitch of twist is less than 60 times the wavelength of light used, so that a spatially uneven electric or magnetic field or temperature is applied to the liquid crystal to thereby form an index distri...
05/06/2008
7364338Systems for providing backlight module with stacked light source
A system for providing a backlight module has a light guide plate and at least a light source set positioned adjacent to the incident surface. The light source set contains a plurality of light sources stacking along a direction parallel with the incident surface of...
04/29/2008
7364316Backlight unit
A backlight unit includes a case; a plurality of fluorescent lamps on the case, each fluorescent lamp having ends arranged in one direction, and having first and second electrodes provided at respective ends; a first power supply line connected with the first electr...
04/29/2008
7355658Image display unit and game machine
An image display in which, even when an observer moves vertically in a position viewing an image, a bright image is obtained. There are provided a liquid-crystal display panel (804) capable of transmitting light projected from backward, a light source (801...
04/08/2008
7351947System and method for ambient light sensor testing for an information handling system display
An ambient light sensor testing module running on an information handling system verifies that an ambient light sensor managing brightness of an information handling system display is active and responding correctly. The testing module sets the display at first and ...
04/01/2008
7350955Back light source module
A back light source module of a liquid crystal device is provided. The back light source module includes a backplate, a light source fixture disposed on the backplate. The back light source module also includes a first light source having a first normal line and dis...
04/01/2008
7344274Light-mixing module having mask in corner thereof
A light-mixing module includes a luminous panel having a plurality of red, green, and blue illuminants arranged alternately, at least one corner being formed in an area defined by the arrangement of the illuminants, a predetermined illuminant being located at the co...
03/18/2008
7333158Three-dimensional display system and method thereof
A three-dimensional (3D) display system includes a liquid crystal display and a directional backlight module. The backlight module disposed behind the liquid crystal display includes a light-guide plate, a focusing layer, a left backlight source, a right backlight s...
02/19/2008
7333165Liquid-crystal display apparatus and electronic device
A liquid-crystal display apparatus includes a liquid-crystal panel (25) having a color filter (26), a W light-emitting diode (22w) for irradiating white light to the liquid-crystal panel (25), RGB light-emitting diodes (22
02/19/2008
7317499Multilayer plate and display panel with anisotropic crystal film and conducting protective layer
A multilayer plate is provided comprising an optically transparent substrate, a protective layer, a conducting layer, and at least one anisotropic thin crystal film. The anisotropic thin crystal film is made of a substance containing aromatic rings and possessing a ...
01/08/2008
7244059Optical waveguide, illumination device, electro-optical device, and electronic apparatus
An illumination device includes an optical waveguide that has light incident end faces formed at both ends thereof; and light sources that are disposed on the light incident end faces formed at both ends of the optical waveguide. A reflective surface of the optical ...
07/17/2007
7232248Backlight 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
7220181Gaming machine having transparent LCD in front of variable display device, the LCD having a light-guiding plate and a reflective plate
During a slot machine game, game effects are also displayed on a liquid crystal panel 39d provided in a reel display window unit 39, and thus the liquid crystal panel 39d serves as a new machine component for performing game effect...
05/22/2007
7219893Gaming machine
A gaming machine includes a liquid crystal display having a liquid crystal panel and a light guiding plate placed at the rear of the liquid crystal panel and formed with a light deflection pattern for guiding light emitted from illumination means into the liquid cry...
05/22/2007
7215317Method for modulating backlight sources for flat panel displays
The present invention provides a method for modulating backlight sources for flat panel displays (FPD), which comprises: lowing steps: step 31: turning on a display screen; step 32: identifying whether the total number of the BLL groups provided on the...
05/08/2007
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