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| Number | Title | Issue Date |
| 8188966 | Image display device and method capable of adjusting brightness Provided is an image display device capable of adjusting brightness. The image display device includes a brightness determining unit that determines the brightness of image data, applied from outside, so as to output a backlight selection signal and a contrast selec... | 05/29/2012 |
| 8188967 | Liquid crystal display A liquid crystal display has a liquid crystal panel, a gate chip on film (COF) disposed at a side of a side surface of the liquid crystal panel, side-edge-type backlights having a light emitting diode disposed on left and right side surfaces of the liquid crystal pa... | 05/29/2012 |
| 8184088 | Image display apparatus and image display method An image display apparatus includes: a luminance modification unit configured to modify the luminance setting value so as to make a luminance difference between adjacent partial regions of a back light smaller; a luminance distribution calculation unit configured to... | 05/22/2012 |
| 8184087 | Display method for LCD device with reduced color break-up The present invention provides a display method for an LCD device with reduced color break-up, comprising the following steps: generating a control signal for each sub-frame, and displaying the sub-frames successively. The present invention generates, according to b... | 05/22/2012 |
| 8184089 | Backlight level selection for display devices Display systems and methods for adjusting backlight illumination are disclosed for selecting a backlight illumination level that is low enough to reduce backlight power consumption while maintaining a desired level of image quality. The method 1) determines the peak... | 05/22/2012 |
| 8179362 | Stereoscopic 3D liquid crystal display apparatus with scanning backlight A scanning backlight for a stereoscopic 3D liquid crystal display apparatus includes a light guide having a first side and a second side opposite the first side, and having a first surface extending between the first and second sides and a second surface opposite th... | 05/15/2012 |
| 8179363 | Methods and systems for display source light management with histogram manipulation Elements of the present invention relate to systems and methods for generating, converting and using histograms in an image processing system. Aspects of some embodiments also relate to generation of a one-dimensional histogram based on luminance and compound color ... | 05/15/2012 |
| 8179361 | Reflector and backlight device A back light device realizing improvement in hotspots and bright line in the region of light incidence and of darkness arising in between light sources is provided by forming the reflective surface of the reflector as a structured face comprising an iteration of pri... | 05/15/2012 |
| 8179364 | Display device and light source A display device in accordance with the present invention includes: a gate driver for carrying out display scanning on pixels sequentially in a first direction of a TFT liquid crystal panel so as to set pixels to display states thereof according to information to be... | 05/15/2012 |
| 8174484 | Signal processing circuit and method A signal processing method is provided and includes the following steps. A first synchronizing signal having a synchronizing frequency and a next expected pulse with an expected rising edge is provided. A second synchronizing signal having a selected frequency being... | 05/08/2012 |
| 8174488 | Visual display system with varying illumination A visual display system for use in conjunction with a display device includes one or more illumination sources for illuminating a region surround the image display region; and a control unit configured to control the illumination sources to vary the illumination in ... | 05/08/2012 |
| 8174485 | Liquid crystal display device and driving method thereof The method of driving a liquid crystal display device includes calculating a brightness average value of pixel data of at least one frame period supplied to a liquid crystal display panel, and storing the average to a memory unit; generating a brightness control sig... | 05/08/2012 |
| 8174487 | Display unit and backlight unit The disclosure includes various embodiments including, for example: (i) a color liquid crystal display unit has a color display panel of transmissive type and a backlight unit placed behind the color display panel; (ii) a backlight unit has a plurality ... | 05/08/2012 |
| 8174483 | Automatic display unit activation The present invention provides apparatuses and methods for controlling the brightness of a display unit based on detected movement of an external object such as a user. An apparatus includes a display, e.g., a color liquid crystal display (LCD) or organic light emit... | 05/08/2012 |
| 8174486 | Light sensing circuit, liquid crystal display having the same, and method of driving the same using detected external light, internal light, and peripheral light A light sensing circuit includes a sensor unit, a voltage generator and a readout circuit. The sensor unit includes a first sensor that detects an external light to output a first current value, a third sensor that detects an internal light generated from the backli... | 05/08/2012 |
| 8174482 | Techniques to control brightness in a display A node to receive a first current and to couple a first or a second backlighting medium to the node. The first backlighting medium is to conduct the first current and the second backlighting medium to conduct a second current. A switch is coupled to the node and to ... | 05/08/2012 |
| 8169398 | Liquid crystal display control circuit, operation panel, and image forming apparatus A first output unit outputs a control signal for removing a residual electric charge from a liquid crystal display module that includes a backlight. A reference-signal obtaining unit obtains a reference signal for setting a reference when turning on the backlight. A... | 05/01/2012 |
| 8164564 | Liquid crystal display and method of controlling the same A liquid crystal display and control method thereof, having a liquid crystal display panel, a light emitting diode device which is disposed on the rear of the liquid crystal display panel and which is divided into a plurality of partitioned areas that are capable of... | 04/24/2012 |
| 8159450 | Liquid crystal display and display control method for the same In the case where a screen divided display is performed on a liquid crystal panel, a change in brightness or chromaticity between sub regions divided may be reduced. A display includes: a display panel; a backlight arranged corresponding to each of sub regions, and ... | 04/17/2012 |
| 8159454 | LED string driver with shift register and level shifter The present invention relates to a device for individually driving OLED/LED elements of an OLED/LED string, comprising for each OLED/LED element of the string: a controllable shunting switch (22, 42) coupled with the respective OLED/LED element (14, 15... | 04/17/2012 |
| 8159452 | Image display device and electronic apparatus An image display device includes at least one light source that emits light; at least one display area that changes, for each pixel, a transmittance or a reflectance of the light emitted from the light source; a panel driving circuit that drives the display area on ... | 04/17/2012 |
| 8159451 | Light-emission control device and liquid crystal display apparatus According to one embodiment, a light-emission control device controls light emission of light sources of a light emitter including a plurality of light source areas each corresponding to one of the light sources, and includes a virtual light-value calculator, a ligh... | 04/17/2012 |
| 8159453 | Display device and method for controlling backlight thereof A display device having backlight and the backlight control method thereof is provided. Through the provided method, it is capable of fast determining which intensity range the intensity signal from the means for measuring the intensity of external light falls in, s... | 04/17/2012 |
| 8159449 | Display device having light-emitting element and liquid crystal element and method for driving the same It is an object to provide a display device in which a problem of light leakage from a liquid crystal element in black display is reduced or overcome and the contrast is improved. It is another object to provide a pixel circuit having a function to control a lightin... | 04/17/2012 |
| 8154506 | Device and method for adjusting backlight brightness A device and method for adjusting backlight brightness employed in a display. The device has a buffer, a counter, and a comparator. The buffer receives and stores an image data of a frame. The counter receives the image data and obtains an image-loading value of the... | 04/10/2012 |
| 8154505 | Backlight module having a chambered circuit board The backlight module includes a first lamp, a second lamp, a circuit board and a driving circuit board. The circuit board includes chambers to be connected to the first lamp and the second lamp, and capacitors to stabilize a voltage across two ends of each of the fi... | 04/10/2012 |
| 8154508 | Repeated-scan driving method for field sequential color liquid crystal display The present invention discloses a REPEATED-SCAN driving method, which applies to a field sequential color liquid crystal display, wherein each sequential-color cycle of the multiplex-scan signal has at least two stages of scans to increase the luminous fluxes of all... | 04/10/2012 |
| 8154507 | Back light system and liquid crystal display device using the back light system A back light system and a liquid crystal display device, which can reduce the power consumption substantially, are provided. The power consumption can be substantially reduced by providing a plurality of light-emitting dividing parts to which area division of the li... | 04/10/2012 |
| 8154504 | Liquid crystal display device capable of automatically switching to a mode and method for driving the same A liquid crystal display device includes a liquid crystal display panel, a backlight unit, a first sensor, and a second sensor. The liquid crystal display panel includes a first substrate divided into a display region and a non-display region including a first regio... | 04/10/2012 |
| 8149205 | Circuit and method for driving an LCD panel capable of reducing water-like waveform noise A circuit for driving an LCD panel and a method thereof is provided. The circuit utilizes a timing controller to receive a plurality of low-voltage differential signals (LVDS) provided by an image inverter, wherein the LVDS have a horizontal synchronize signal. The ... | 04/03/2012 |
| 8149206 | Liquid crystal display and method of controlling the same A liquid crystal display includes a liquid crystal display panel, a first and a second light emitting diode (LED) light source unit configured to irradiate light onto the liquid crystal display panel, a light source drive circuit configured to individually drive the... | 04/03/2012 |
| 8144107 | Method and/or apparatus to improve the visual perception of an image displayed on a screen The invention relates to a method and/or apparatus to improve the visual perception of an image displayed on a liquid crystal (LCD) panel, said method comprising steps for generating an adjusting signal (PE,i+1) of a rear-lighting lamp of said panel depen... | 03/27/2012 |
| 8144108 | Liquid crystal display device and driving method thereof Provided is an LCD device. The LCD device includes: an input unit, a backlight unit, a histogram analyzing unit, a data correcting unit, a liquid crystal panel driving unit, a duty ratio determining unit, and a lamp driving unit. The input unit inputs data correspon... | 03/27/2012 |
| 8144109 | Inverter for light source device, light source device, display device and liquid crystal display device In a light source inverter rectifier circuits are respectively connected to a CCFL in a substantially U-shaped lamp and a CCFL in a substantially U-shaped lamp, and the outputs from the rectifier circuits are fed to a stabilization circuit. Thus, the stabilization c... | 03/27/2012 |
| 8144110 | Liquid crystal display and backlight system with detection circuit for detecting connection state of power input An exemplary backlight system includes a power input circuit (21), a detection circuit (27), a control circuit (28), a light emitting diode driving circuit (25), and a light emitting diode array (26). The detection circuit is confi... | 03/27/2012 |
| 8144106 | Liquid crystal display and driving method thereof A liquid crystal display (LCD) and a driving method thereof, which synchronize a panel with an inverter to prevent backlights from being turned off during a display mode change. The LCD includes a signal converter to convert selectively input analogue video signals ... | 03/27/2012 |
| 8144111 | Light emitting diode driving circuit having voltage detection There is provided a driving circuit of a light emitting device. The driving circuit of a light emitting may include: a DC/DC converter converting an input DC voltage into an output DC voltage; a light emitting device block including a plurality of LED groups connect... | 03/27/2012 |
| 8144113 | Liquid crystal display Disclosed herein is a liquid crystal display capable of reducing a side effect during local LED dimming to reduce power consumption and improve display quality. The liquid crystal display includes a liquid crystal panel having a plurality of liquid crystal cells for... | 03/27/2012 |
| 8144112 | Backlight modulation circuit having rough and fine illumination signal processing circuit An exemplary backlight modulation circuit includes a backlight source, a backlight driving circuit, a rough modulation key, a fine modulation key, a scaler, and an illumination modulation signal processing circuit. The backlight driving circuit is configured for dri... | 03/27/2012 |
| 8139020 | Liquid crystal display device and image display method thereof A backlight device is divided into multiple regions, and has a configuration in which light emitted from a light source of each of the regions is allowed to leak to other regions. A maximum gradation detector detects a maximum gradation of a regional image signal di... | 03/20/2012 |
