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7623111 |
Image display apparatus
The invention is intended to change the viewing angle in accordance with a viewer's intention. Disposed between a light source ( 810 ) and a liquid crystal display panel ( 804 ), a Fresnel lens (...
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7623104 |
Display and display control method
A display control method inputs a plurality of frames into a display, which records a sequential flashing threshold value. Each of the frames has a plurality of pixels. The display control method...
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7619606 |
Devices and methods for intradevice optical communication of data
Disclosed are devices and methods for intradevice communication in a mobile communication device having a display. A method includes providing a supply signal and superimposing a data signal onto...
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7619605 |
Liquid crystal display device and method for driving the same
Provided are a liquid crystal display device capable of improving image quality with enhanced response characteristic and a driving method thereof. The liquid crystal display device is implemented...
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7619604 |
Switchable 2D/3D display
A display device comprises a backlight ( 6 ) and a light modulating layer ( 5 ) such as an LCD device. The backlight ( 6 ) can be controlled to operate as a single homogenous light source for...
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7619194 |
Electro-optical device, semiconductor device, display device, and electronic apparatus having the display device
An electro-optical device includes a panel formed so that an electro-optical material is held between a first substrate and a second substrate, a lighting unit that irradiates light to a surface of...
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7616368 |
Light concentrating reflective display methods and apparatus
Improved apparatus and methods for displays are disclosed that utilize light concentration array between mechanical light modulators and the viewing surface of the display. The light concentration...
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7616197 |
Method and apparatus for user selectable display mode for intelligently enhancing battery life
A method and system for enhancing the life of a battery within a portable or otherwise battery operated electronic device. The method and system provide user selectable display modes, e.g., from...
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7616184 |
Arrangement matrix of primary color LEDs
An arrangement matrix of primary color LEDs is provided. The arrangement matrix includes a first LED, a second LED and a third LED. The first LED, the second LED and the third LED are arranged to...
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7616172 |
Display panel having multiple display regions and corresponding backlight regions and method of controlling the same
In a 3D display having a plurality of display regions and corresponding backlight regions, the image data is sequentially sent to the display regions. The respective light source(s) of the...
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7615935 |
Lighting device for display device, display device and television receiver
A lighting device for a display device includes a plurality of light sources, a power source arranged to provide drive power for the light sources, a common electrode arranged to supply the drive...
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7612771 |
Image projection system comprising a single imager which is equipped with photosensitive sensors for the identification of illumination colours
An image projection system has an illumination system for moving bands of different colored light over the light valve. The image projection system identifies the illumination color of each row of...
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7612758 |
Brightness control method and device for a display
A brightness control method and device for a display, which calculates a brightness distribution of partial frame image, determines when the partial frame image tends to be dark or light, compares...
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7612757 |
Liquid crystal display with modulated black point
A backlit display with improved dynamic range. The disclosed display illuminates a pixel of the display at respective non-zero illumination levels during each of a first frame and a second frame...
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7612756 |
Apparatus and method of driving light source for image display device and image display device having the same
An image display device includes a display panel having gate and data lines electrically connected with pixels, gate and data drivers providing a gate signal and a data voltage, respectively, to...
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7612505 |
Liquid crystal display backlight inverter
A LCD backlight inverter including: a dimming control unit comparing a level of a triangle wave with a level of a dimming control signal and controlling a dimming control current to be supplied or...
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7609310 |
Display device having an image pickup function and a two-way communication system
A two-way communication device having a display device of novel structure and an image pickup device is provided. More particularly, a two-way communication system having a display device and an...
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7609248 |
Apparatus and method for luminance control of liquid crystal display device
A luminance control apparatus of a liquid crystal display device (LCD) is presented. The LCD includes a liquid crystal display panel divided into areas, lamps, an arithmetic unit, and a lamp...
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7609245 |
Liquid crystal device, method of driving the same and electronic apparatus
A liquid crystal device that operates in a first operation mode and a second operation mode. The liquid crystal device includes a plurality of scanning lines, a plurality of data lines, a plurality...
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7609244 |
Apparatus and method of driving liquid crystal display device
A driving apparatus and method of an LCD device improves the brightness and the contrast ratio of an image. The driving apparatus includes an LCD panel for displaying an image corresponding to a...
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7605881 |
Liquid 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...
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7605809 |
Driver and method for driving a semiconductor light emitting device array
A driver and method for driving a semiconductor light emitting device array is provided. The driver includes at least one current regulator unit having a plurality of controllable switches to...
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7605795 |
Power efficient screens through display size reduction
According to some embodiments, an apparatus, a system and a method are provided to reduce a backlit area of a display screen and resize an image to fit in the backlit area.
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7605794 |
Adjusting the refresh rate of a display
In a method for adjusting a refresh rate of a display, a current status of at least one lighting criterion is determined. The refresh rate is then adjusted depending on this determined status. A...
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7602372 |
Backlight driver circuit and liquid crystal display device having the same
In a backlight driver circuit and a liquid crystal display (LCD) device employing the same, separate forward driving currents are applied to red (R), green (G) and blue (B) backlights,...
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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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7602370 |
Liquid crystal display device
A liquid crystal display device of the present invention is configured of a liquid crystal display unit for displaying an image, a backlight unit controllable for each color that radiates light at...
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7602369 |
Liquid crystal display with colored backlight
A method of backlighting a liquid crystal display so as to improve the quality of the image displayed by the liquid crystal display. The method may vary the luminance of a light source illuminating...
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7602362 |
Liquid crystal display device and method for driving the same
A liquid crystal display (LCD) device and a method of operating the same prevents a tearing effect from occurring. The LCD device includes a frame memory for writing new red, green and blue data or...
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7598940 |
Inverter for boosting rotational image displaying gain
An inverter for boosting rotational image displaying gain has a driving module to output a plurality of driving signals of the same frequency and same phase to synchronously drive a plurality of...
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7598939 |
Liquid crystal display device, backlight used for same display device, method for driving same backlight and method for manufacturing same backlight
A Liquid Crystal Display (LCD), a backlight used for the LCD and a method for producing the LCD and the backlight are provided which are capable of inhibiting an increase in component counts and in...
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7595786 |
Illumination system and illumination control method for adaptively adjusting color temperature
This invention discloses an illumination method and an illumination control method. An embodiment of the illumination system includes two light detection modules for detecting a light produced by a...
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7595785 |
Display device and driving device for a light source
A light source portion for a liquid crystal display (LCD) device may prevent reduction of the life span of the multiple lamps (LPs) when a surrounding temperature of the multiple LPs is less than a...
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7595784 |
Liquid crystal display apparatus with control of LCD and backlight corresponding to an image
The liquid crystal display apparatus includes a liquid crystal display, a backlight unit for emitting rays of light of three or more colors, the ray of each color being controlled, and applying...
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7592996 |
Multiprimary color display with dynamic gamut mapping
The embodiments disclosed herein comprise a plurality of modules and means to provide effect dynamic gamut mapping and backlight control. In one embodiment, a display system comprises: a...
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7589479 |
Backlight driving apparatus of liquid crystal display and method for driving backlight driving apparatus
A backlight driving apparatus for a liquid crystal display device includes a light source, an AC driver for supplying a high voltage AC power to turn on the light source, and a protection circuit...
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7589478 |
Inverter circuit for discharge lamps for multi-lamp lighting and surface light source system
An inverter circuit for discharge lamps for multi-lamp lighting in which the value of a negative resistance characteristic of a fluorescent lamp is controlled, and an excessively set reactance is...
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7586479 |
Display device and driving method thereof
A display device includes a panel assembly, a backlight unit supplying light to the panel assembly, a first photosensor, a second photosensor, a sensing signal processor and a signal controller....
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7583249 |
Backlight module and liquid crystal display device
The present invention mainly relates to a backlight module for use in a liquid display device. The backlight module comprises a plurality of lamps located above a reflecting plate. Each lamp...
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7583248 |
Method for modulating and driving 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...
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7581837 |
HDR displays and control systems therefor
A display has a screen which incorporates a light modulator. The screen may be a front projection screen or a rear-projection screen. Elements of the light modulator may be controlled to adjust the...
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7580024 |
Display apparatus and method of controlling the backlight provided in the display apparatus
According to one embodiment, a display apparatus including a receiving unit, two signal processing units and, a luminance-curve converter, a display device, a histogram-extracting unit, and a...
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7580023 |
Color LCD with bi-color sequential backlight
In an LCD, a backlight having red, green, and blue LEDs is controlled to generate monochromatic light (e,g., blue) during a portion of a cycle, such as an image frame cycle. During another portion...
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7573457 |
Liquid crystal display backlight with scaling
A display is backlit by a source having spatially modulated luminance to attenuate illumination of dark areas of images and increase the dynamic range of the display.
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7570246 |
Method and apparatus for communication using pulse-width-modulated visible light
A visible light communications transmitter combines a modulated carrier signal with a pulse from a pulse generator. The carrier signal is modulated according to data read from a buffer during the...
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7570235 |
Communication diode driver circuit
A Communication Diode Driver Circuit (CDDC) for selectively illuminating communication diodes (CDs) in response to incoming digital data pulses with a LED drive current I LED (t) close to a nominal...
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7569997 |
Self-calibrated integration method of light intensity control in LED backlighting
This invention is an LED lighting intensity control by subdivision of PWM intervals to resolve the wavelength and luminance shifting problems that are caused by increasing heat and junction...
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7567245 |
Information processing device and display brightness control method
An information processing device comprises a display unit whose display brightness is changeable, a unit for detecting the lightness of surroundings, a unit for determining a target display...
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7567067 |
Power supply, display device, and light source driving apparatus
A power supply is provided, which includes a DC-DC converter being supplied with an external DC input voltage and a first switching control signal and outputting a duty sensing signal of which a...
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7566143 |
Backlight apparatus and color image display apparatus
Herein disclosed a backlight apparatus for illuminating a color display panel from the back side, which may include a light source section having a composite light source, a light detecting light...
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